/* ============================================================
   WESCO v5 - Premium Industrial · Bigger Type
   ============================================================ */

:root {
  --c-red: #C13816;
  --c-red-dk: #9C2C10;
  --c-red-lt: #FBEEE8;
  --c-red-soft: #F0CDBE;
  --c-head: #2C2924;
  --c-text: #4A4641;
  --c-gray: #78716C;
  --c-gray-lt: #A8A29E;
  --c-gray-xl: #D6D3CD;
  --c-bg: #FDFCF9;
  --c-bg-soft: #F7F4EE;
  --c-bg-warm: #F0EBE3;
  --c-divider: #E0DBD3;
  --c-accent: #4F6886;
  --c-accent-lt: #EBF0F7;
  --c-green: #4F926D;
  --c-green-lt: #E5EFE9;
  --c-dark: #2E2826;  /* v6.32: 검정 → 웜 다크 (#1F1D1A → #2E2826, viewer 톤 통일) */

  --font-ko: 'Noto Sans KR', '맑은 고딕', sans-serif;
  --font-en: 'Inter', Arial, sans-serif;

  --sb-w: 230px;
  --max-w: 1280px;
  --pad-x: 64px;

  --c-red-tint: color-mix(in srgb, var(--c-red) 12%, transparent);

  /* alias for v6.16 industries/CTA sections */
  --c-sub: var(--c-gray);
}

/* Section eyebrow (industries / CTA 공용 — v6.16) */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.22em;
  margin-bottom: 16px;
  padding-bottom: 6px;
  border-bottom: 1.5px solid var(--c-red);
  text-transform: uppercase;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-ko);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-weight: 400;
}

img { max-width: 100%; display: block; }
sup { font-size: 0.55em; vertical-align: super; }

/* Cursor Glow */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--c-red) 35%, transparent) 0%, transparent 70%);
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  mix-blend-mode: screen;
  filter: blur(40px);
}

body.cursor-active .cursor-glow { opacity: 1; }
@media (hover: none) { .cursor-glow { display: none; } }

/* ============================================================
   사이드바
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sb-w);
  height: 100vh;
  background: var(--c-bg);
  border-right: 1px solid var(--c-divider);
  padding: 18px 0 14px;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-brand { padding: 0 22px 14px; border-bottom: 1px solid var(--c-divider); display: flex; flex-direction: column; gap: 4px; }
.brand-logo { width: 96px; height: auto; }
.brand-tag { font-family: var(--font-en); font-size: 10px; color: var(--c-gray); letter-spacing: 0.05em; font-weight: 500; text-transform: uppercase; }

.sidebar-nav { flex: 1; padding: 8px 0; display: flex; flex-direction: column; }

.nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 22px;
  text-decoration: none; color: var(--c-gray);
  font-size: 12px; font-weight: 500;
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
  min-height: 32px;
}

.nav-item:hover { color: var(--c-head); background: var(--c-bg-soft); }
.nav-item.active { color: var(--c-red); border-left-color: var(--c-red); background: var(--c-red-tint); font-weight: 700; }

.nav-no { font-family: var(--font-en); font-size: 10px; font-weight: 600; color: var(--c-gray-lt); letter-spacing: 0.05em; min-width: 18px; }
.nav-item.active .nav-no { color: var(--c-red); }

.sidebar-footer { padding: 14px 22px 0; border-top: 1px solid var(--c-divider); }

.sidebar-cta {
  display: block; background: var(--c-head); color: var(--c-bg);
  text-align: center; padding: 11px 14px;
  border-radius: 3px; font-size: 12px; font-weight: 600;
  text-decoration: none; transition: all 0.3s; margin-bottom: 10px;
  font-family: var(--font-en); letter-spacing: 0.05em; text-transform: uppercase;
}

.sidebar-cta:hover { background: var(--c-red); transform: translateY(-1px); box-shadow: 0 6px 16px color-mix(in srgb, var(--c-red) 30%, transparent); }

.sidebar-social { display: flex; gap: 8px; margin-bottom: 10px; }
.sidebar-social a {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border: 1px solid var(--c-divider); border-radius: 3px;
  color: var(--c-gray); transition: all 0.2s; text-decoration: none;
}
.sidebar-social a:hover { color: var(--c-red); border-color: var(--c-red); background: var(--c-red-lt); }

.sidebar-meta { font-family: var(--font-en); font-size: 10px; color: var(--c-gray-lt); text-align: center; }

/* === Language Toggle ============================================== */
.lang-toggle {
  display: flex; gap: 2px; margin-bottom: 12px;
  background: color-mix(in srgb, var(--c-head) 4%, transparent);
  border: 1px solid var(--c-divider); border-radius: 3px;
  padding: 2px;
}
.lang-toggle button {
  flex: 1; padding: 5px 0;
  background: transparent; border: 0; cursor: pointer;
  font-family: var(--font-en); font-size: 10px; font-weight: 600;
  letter-spacing: 0.05em; color: var(--c-gray);
  border-radius: 2px; transition: all 0.18s;
}
.lang-toggle button:hover { color: var(--c-head); background: color-mix(in srgb, var(--c-red) 8%, transparent); }
.lang-toggle button.active { background: var(--c-head); color: var(--c-bg); }

.lang-toggle-mobile {
  display: none; position: fixed; top: 14px; right: 70px;
  background: var(--c-bg); border: 1px solid var(--c-divider);
  z-index: 200; margin-bottom: 0; padding: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.lang-toggle-mobile button { padding: 6px 7px; font-size: 10px; }

.mobile-toggle {
  display: none; position: fixed; top: 14px; right: 14px;
  width: 42px; height: 42px;
  background: var(--c-bg); border: 1px solid var(--c-divider); border-radius: 4px;
  cursor: pointer; z-index: 200;
  flex-direction: column; justify-content: center; align-items: center; gap: 4px;
}
.mobile-toggle span { display: block; width: 20px; height: 1.5px; background: var(--c-head); }

.progress-bar { position: fixed; top: 0; left: var(--sb-w); right: 0; height: 2px; background: transparent; z-index: 99; }
.progress-fill { height: 100%; width: 0%; background: var(--c-red); transition: width 0.1s linear; }

/* ============================================================
   Main + 공통 (글씨 전반 키움)
   ============================================================ */
.main {
  margin-left: var(--sb-w);
  scroll-snap-type: y proximity;
  height: 100vh;
  overflow-y: scroll;
}

.main::-webkit-scrollbar { width: 8px; }
.main::-webkit-scrollbar-thumb { background: var(--c-divider); border-radius: 4px; }
.main::-webkit-scrollbar-track { background: transparent; }

.section {
  min-height: 100vh;
  scroll-snap-align: start;
  padding: 64px var(--pad-x) 56px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex; flex-direction: column; justify-content: center;
}

.section-head { margin-bottom: 36px; }

.section-no {
  display: inline-block;
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 14px; padding-bottom: 5px;
  border-bottom: 1.5px solid var(--c-red);
}

.section-title {
  font-size: 40px; font-weight: 700; color: var(--c-head);
  line-height: 1.2; margin-bottom: 14px;
  letter-spacing: -0.025em;
}

.section-sub { font-size: 17px; color: var(--c-gray); line-height: 1.6; }
.section-sub strong { color: var(--c-head); font-weight: 600; }

/* Reveal */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1.0s cubic-bezier(0.22, 0.61, 0.36, 1), transform 1.0s cubic-bezier(0.22, 0.61, 0.36, 1);
}
[data-reveal].in-view { opacity: 1; transform: translateY(0); }

[data-reveal-stagger] > * {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-reveal-stagger].in-view > * { opacity: 1; transform: translateY(0); }
[data-reveal-stagger].in-view > *:nth-child(1) { transition-delay: 0s; }
[data-reveal-stagger].in-view > *:nth-child(2) { transition-delay: 0.1s; }
[data-reveal-stagger].in-view > *:nth-child(3) { transition-delay: 0.2s; }
[data-reveal-stagger].in-view > *:nth-child(4) { transition-delay: 0.3s; }
[data-reveal-stagger].in-view > *:nth-child(5) { transition-delay: 0.4s; }
[data-reveal-stagger].in-view > *:nth-child(6) { transition-delay: 0.5s; }
[data-reveal-stagger].in-view > *:nth-child(7) { transition-delay: 0.6s; }
[data-reveal-stagger].in-view > *:nth-child(8) { transition-delay: 0.7s; }

[data-magnetic] { transition: transform 0.35s cubic-bezier(0.5, 0, 0.5, 1); will-change: transform; }

/* ============================================================
   00. Hero
   ============================================================ */
.section-hero { position: relative; background: var(--c-bg); overflow: hidden; padding: 64px var(--pad-x); }
.hero-bg { position: absolute; inset: 0; pointer-events: none; opacity: 0.35; }
.hero-waveform { position: absolute; bottom: 5%; left: 0; width: 100%; height: 180px; }
.hero-inner { position: relative; z-index: 2; max-width: 1020px; }

.hero-tag { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.tag-line { width: 32px; height: 1.5px; background: var(--c-red); }
.hero-tag span:last-child {
  font-family: var(--font-en); font-size: 11.5px; font-weight: 600;
  color: var(--c-head); letter-spacing: 0.22em;
}

.hero-title {
  font-size: 88px; font-weight: 700; color: var(--c-head);
  line-height: 0.98; letter-spacing: -0.045em;
  margin-bottom: 28px;
}
.hero-title-em { color: var(--c-red); }

.hero-tagline {
  font-size: 17.5px; color: var(--c-text);
  line-height: 1.85; margin-bottom: 40px;
  max-width: 820px;
}
.hero-tagline strong { color: var(--c-head); font-weight: 700; letter-spacing: -0.005em; }
.hero-tagline em { font-style: normal; color: var(--c-red); font-weight: 700; }

.hero-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
  padding: 28px 0; border-top: 1px solid var(--c-divider);
  border-bottom: 1px solid var(--c-divider); margin-bottom: 32px;
}

.metric { text-align: left; }

.metric-num {
  font-family: var(--font-en); font-size: 46px; font-weight: 700;
  color: var(--c-head); line-height: 1;
  display: flex; align-items: baseline; gap: 4px;
  letter-spacing: -0.03em;
}

.metric-suffix { font-size: 15px; font-weight: 600; color: var(--c-red); }

.metric-label {
  font-family: var(--font-en); font-size: 11.5px;
  color: var(--c-gray); margin-top: 8px;
  letter-spacing: 0.05em; text-transform: uppercase; font-weight: 500;
}

/* 산업 카탈로그 톤 */
.hero-industries { margin-bottom: 32px; }
.ind-head-mini {
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  color: var(--c-gray); letter-spacing: 0.22em;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--c-divider);
}

.ind-table { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; }

.ind-col { padding: 4px 16px 4px 0; border-right: 1px solid var(--c-divider); }
.ind-col:last-child { border-right: none; }

.ind-col-label { font-size: 13px; font-weight: 500; color: var(--c-gray); margin-bottom: 4px; }
.ind-col-num {
  font-family: var(--font-en); font-size: 19px; font-weight: 700;
  color: var(--c-head); letter-spacing: -0.02em; line-height: 1.1;
}
.ind-col-num span { color: var(--c-red); font-size: 14px; margin-left: 1px; }
.ind-col-num-sub { font-family: var(--font-ko); font-size: 14px; font-weight: 500; color: var(--c-gray-lt); }

.hero-yt {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: transparent; color: var(--c-head);
  text-decoration: none; border: 1px solid var(--c-divider); border-radius: 3px;
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.03em;
  transition: all 0.3s;
}
.hero-yt:hover { border-color: var(--c-red); color: var(--c-red); }
.hero-yt svg:first-child { color: var(--c-red); }

/* ============================================================
   01. About
   ============================================================ */
.about-layout { display: grid; grid-template-columns: 1.7fr 1fr; gap: 28px; align-items: start; }

.kw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }

.kw-card {
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 4px; padding: 20px 18px;
  transition: all 0.3s;
}
.kw-card:hover { border-color: var(--c-red); transform: translateY(-3px); box-shadow: 0 8px 20px color-mix(in srgb, var(--c-head) 6%, transparent); }
.kw-card-em { background: var(--c-red-lt); border-color: var(--c-red); }

.kw-tag {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 600;
  color: var(--c-gray); letter-spacing: 0.12em;
  margin-bottom: 10px; text-transform: uppercase;
}
.kw-card-em .kw-tag { color: var(--c-red); }

.kw-num { font-size: 19px; font-weight: 700; color: var(--c-head); line-height: 1.15; margin-bottom: 6px; letter-spacing: -0.01em; }
.kw-label { font-size: 13px; color: var(--c-text); line-height: 1.45; }

.about-photos { display: flex; flex-direction: column; gap: 10px; max-width: 360px; }
.photo-main { aspect-ratio: 320 / 200; }
.photo-sub { display: flex; flex-direction: column; gap: 10px; }
.photo-sub .photo-item { aspect-ratio: 320 / 160; }

.photo-main, .photo-item {
  position: relative; border-radius: 4px;
  overflow: hidden; background: var(--c-bg-soft);
}

.photo-main img, .photo-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s ease; display: block;
}

.photo-cap, .photo-cap-sm {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(180deg, transparent, rgba(31, 29, 26, 0.85));
  color: var(--c-bg); padding: 16px 14px 10px;
  font-size: 13px; font-weight: 600;
}
.photo-cap-sm { padding: 10px 12px 8px; font-size: 12px; }

/* ============================================================
   02. 왜 필요한가 — 큰 임팩트 + 손실 타임라인
   ============================================================ */
.need-impact {
  display: grid; grid-template-columns: 1fr 1.3fr 1fr;
  gap: 18px; margin-bottom: 36px;
}

.impact-kw {
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 4px; padding: 32px 30px;
  transition: all 0.3s;
}

.impact-kw-em { background: var(--c-dark); color: var(--c-bg); border-color: var(--c-dark); }

.impact-kw-num {
  font-size: 42px; font-weight: 800; color: var(--c-red);
  line-height: 1.05; margin-bottom: 10px;
  letter-spacing: -0.03em; font-family: var(--font-ko);
}
.impact-kw-em .impact-kw-num { font-size: 32px; color: var(--c-bg); }

.impact-kw-num span { font-size: 19px; color: var(--c-gray); font-weight: 500; margin-left: 4px; }

.impact-kw-label { font-size: 14px; color: var(--c-gray); line-height: 1.55; }
.impact-kw-em .impact-kw-label { color: var(--c-gray-xl); }

.need-row { display: grid; grid-template-columns: 1fr 1.6fr; gap: 24px; }

.cause-block, .impact-block {
  background: var(--c-bg-soft); border-radius: 4px; padding: 28px;
}

.block-h {
  font-size: 19px; font-weight: 700; color: var(--c-head);
  margin-bottom: 10px; letter-spacing: -0.01em;
}
.block-p { font-size: 14.5px; color: var(--c-text); line-height: 1.65; margin-bottom: 18px; }
.block-p strong { color: var(--c-head); font-weight: 700; }

.cause-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }

.cause-card {
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 3px; padding: 16px 18px;
  display: flex; align-items: center; gap: 14px;
  transition: all 0.3s;
}
.cause-card:hover { border-color: var(--c-red); transform: translateX(2px); }

.cause-icon { color: var(--c-red); flex-shrink: 0; }
.cause-name { font-size: 14.5px; font-weight: 600; color: var(--c-head); }

/* 손실 타임라인 */
.loss-timeline {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 18px 14px;
}

.loss-svg { width: 100%; height: auto; max-height: 290px; display: block; }

.loss-milestone circle { transition: r 0.4s ease, stroke-width 0.4s ease; }
.loss-milestone:hover circle { stroke-width: 4; }

/* ============================================================
   03. 작동 원리
   ============================================================ */
/* SLD 블록다이어그램 (v6.41) */
.sld-block {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  padding: 22px 26px;
  margin-bottom: 24px;
}
.sld-eyebrow {
  display: inline-block;
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-head); letter-spacing: 0.2em;
  padding: 4px 10px; background: var(--c-bg-soft);
  border-radius: 2px; margin-bottom: 14px;
}
.sld-svg {
  width: 100%; height: auto; display: block;
  border-radius: 4px;
}
.sld-foot {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 14px;
}
.sld-foot-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--c-bg-soft);
  border-radius: 4px;
  font-size: 13px;
  border-left: 3px solid transparent;
}
.sld-foot-normal { border-left-color: #5B926D; }
.sld-foot-event  { border-left-color: var(--c-red); }
.sff-tag {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  padding: 3px 9px; border-radius: 2px;
  letter-spacing: 0.12em;
  color: var(--c-bg);
  flex-shrink: 0;
}
.sld-foot-normal .sff-tag { background: #5B926D; }
.sld-foot-event  .sff-tag { background: var(--c-red); }
.sff-text { color: var(--c-text); }
.sff-text strong { color: var(--c-head); font-weight: 600; }

@media (max-width: 768px) {
  .sld-foot { grid-template-columns: 1fr; }
}

/* 4씬 모션 토글 (v6.41) */
.how-motion-details {
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  margin-bottom: 28px;
  overflow: hidden;
}
.how-motion-details[open] { border-color: var(--c-red); }
.hmd-summary {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
  cursor: pointer; list-style: none; user-select: none;
  background: var(--c-bg);
  transition: background 0.25s;
  font-size: 13.5px; font-weight: 600; color: var(--c-head);
}
.hmd-summary::-webkit-details-marker { display: none; }
.hmd-summary:hover { background: var(--c-bg-soft); }
.hmd-summary > span { flex: 1; }
.hmd-summary svg:first-child { color: var(--c-red); flex-shrink: 0; }
.hmd-chevron {
  color: var(--c-gray); flex-shrink: 0;
  transition: transform 0.3s ease;
}
.how-motion-details[open] .hmd-chevron { transform: rotate(180deg); }
.how-motion-details .how-v2 { padding: 0 22px 24px; }

.how-container { display: grid; grid-template-columns: 0.7fr 1.6fr; gap: 24px; margin-bottom: 20px; }

.product-frame {
  position: relative; background: var(--c-bg);
  border: 1px solid var(--c-divider); border-radius: 4px;
  padding: 16px; text-align: center; overflow: hidden;
}

.product-img { width: 100%; height: 250px; object-fit: contain; margin-bottom: 12px; }

.product-label { border-top: 1px solid var(--c-divider); padding-top: 10px; }
.product-name { font-size: 19px; font-weight: 700; color: var(--c-red); margin-bottom: 4px; }
.product-sub { font-family: var(--font-en); font-size: 10.5px; color: var(--c-gray); line-height: 1.4; }

.product-foot {
  font-size: 11.5px; color: var(--c-gray);
  margin-top: 10px; line-height: 1.5;
  text-align: center; font-style: italic;
}

.how-toggle {
  display: flex; gap: 4px; padding: 3px;
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 3px; width: fit-content; margin-bottom: 14px;
}

.toggle-btn {
  padding: 9px 22px; border: none; background: transparent;
  font-size: 13px; font-weight: 600; color: var(--c-gray);
  cursor: pointer; border-radius: 2px;
  transition: all 0.3s; font-family: var(--font-ko);
}

.toggle-btn:hover { color: var(--c-head); }
.toggle-btn.active { background: var(--c-head); color: var(--c-bg); }
.toggle-btn[data-mode="comp"].active { background: var(--c-red); }

/* ───────── 시간축 타임라인 ───────── */
.seq-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin: 14px 0 10px;
  padding: 16px 8px 8px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-divider);
  border-radius: 6px;
}

.seq-track {
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: var(--c-divider);
  z-index: 0;
}

.seq-progress-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: default;
}

.seq-marker {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-divider);
  color: var(--c-gray-lt);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
  margin-bottom: 6px;
}

.seq-progress-step.done .seq-marker {
  background: var(--c-head);
  border-color: var(--c-head);
  color: var(--c-bg);
}

.seq-progress-step.active .seq-marker {
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-bg);
  transform: scale(1.18);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-red) 22%, transparent);
}

.seq-name {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--c-gray);
  margin-bottom: 2px;
}

.seq-progress-step.active .seq-name {
  color: var(--c-red);
}

.seq-time {
  font-family: var(--font-en);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--c-gray-lt);
  letter-spacing: 0.02em;
}

.seq-progress-step.active .seq-time {
  color: var(--c-head);
}

/* ───────── 부하 정상 운전 핵심 메시지 배지 ───────── */
.load-running-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: linear-gradient(90deg, color-mix(in srgb, #10b981 12%, var(--c-bg)) 0%, var(--c-bg) 100%);
  border: 1px solid color-mix(in srgb, #10b981 35%, var(--c-divider));
  border-left: 3px solid #10b981;
  border-radius: 4px;
  margin-bottom: 12px;
  font-size: 12.5px;
  color: var(--c-head);
}

.load-running-badge strong {
  color: #047857;
  font-weight: 800;
}

.lrb-pulse {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 0 0 #10b981;
  animation: lrb-pulse 1.6s ease-out infinite;
}

@keyframes lrb-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, #10b981 70%, transparent); }
  70%  { box-shadow: 0 0 0 10px color-mix(in srgb, #10b981 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, #10b981 0%, transparent); }
}

@media (max-width: 640px) {
  .seq-timeline { padding: 14px 4px 6px; }
  .seq-marker { width: 22px; height: 22px; font-size: 10px; }
  .seq-name { font-size: 10px; }
  .seq-time { font-size: 9.5px; }
  .load-running-badge { font-size: 11.5px; padding: 10px 12px; }
}

.how-stage {
  position: relative; background: var(--c-bg);
  border: 1px solid var(--c-divider); border-radius: 4px;
  padding: 16px; margin-bottom: 12px; overflow: hidden;
}

.tsp-frame { position: relative; z-index: 2; }

.tsp-frame-label {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em; margin-bottom: 4px;
}

.how-svg { width: 100%; height: auto; }

.storm-fx { position: absolute; inset: 0; pointer-events: none; opacity: 0; z-index: 1; transition: opacity 0.5s; }
.how-stage.storm .storm-fx { opacity: 1; }

/* ═══════════════════ 사실감 있는 SVG 번개 ═══════════════════ */
.lightning-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* 외곽 헤일로 — 노란 글로우 */
.bolt-halo {
  fill: none;
  stroke: #fbbf24;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  filter: blur(3px);
}

/* 코어 — 흰색 중심 */
.bolt-core {
  fill: none;
  stroke: #ffffff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
}

/* 분기 — 가는 곁가지 */
.bolt-branch {
  fill: none;
  stroke: #fef3c7;
  stroke-width: 1.1;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
}

/* 자연스러운 3-strike 패턴 (실제 번개 = 1차 strike + 잔열 + 2차 strike) */
@keyframes boltFlicker {
  0%, 100%      { opacity: 0; }
  2%            { opacity: 0.95; }
  3%, 4%        { opacity: 0.2; }
  5%            { opacity: 1; }
  7%            { opacity: 0.4; }
  8%            { opacity: 0.85; }
  10%           { opacity: 0; }
}

@keyframes haloFlicker {
  0%, 100%      { opacity: 0; }
  2%            { opacity: 0.7; }
  3%, 4%        { opacity: 0.15; }
  5%            { opacity: 0.85; }
  7%            { opacity: 0.3; }
  8%            { opacity: 0.65; }
  10%           { opacity: 0; }
}

/* 3개 bolt를 시간차로 발사 */
.bolt-1 .bolt-core, .bolt-1 .bolt-branch { animation: boltFlicker 4.5s ease-out infinite; }
.bolt-1 .bolt-halo { animation: haloFlicker 4.5s ease-out infinite; }

.bolt-2 .bolt-core, .bolt-2 .bolt-branch { animation: boltFlicker 4.5s ease-out infinite; animation-delay: 1.6s; }
.bolt-2 .bolt-halo { animation: haloFlicker 4.5s ease-out infinite; animation-delay: 1.6s; }

.bolt-3 .bolt-core, .bolt-3 .bolt-branch { animation: boltFlicker 4.5s ease-out infinite; animation-delay: 3.0s; }
.bolt-3 .bolt-halo { animation: haloFlicker 4.5s ease-out infinite; animation-delay: 3.0s; }

/* 배경 섬광 — 번개와 동기화 */
.storm-flash {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 18% 25%, rgba(255, 255, 255, 0.55) 0%, rgba(251, 191, 36, 0.18) 28%, transparent 60%),
    radial-gradient(ellipse at 82% 35%, rgba(255, 255, 255, 0.40) 0%, rgba(251, 191, 36, 0.12) 28%, transparent 55%);
  opacity: 0;
  pointer-events: none;
  animation: stormFlash 4.5s ease-out infinite;
}

@keyframes stormFlash {
  0%, 100%      { opacity: 0; }
  2%            { opacity: 0.8; }
  3%, 4%        { opacity: 0.2; }
  5%            { opacity: 0.9; }
  7%            { opacity: 0.3; }
  8%            { opacity: 0.7; }
  10%           { opacity: 0; }
  35%           { opacity: 0; }
  36%           { opacity: 0.7; }
  37%, 38%      { opacity: 0.15; }
  39%           { opacity: 0.85; }
  41%           { opacity: 0.25; }
  42%           { opacity: 0.6; }
  44%           { opacity: 0; }
  66%           { opacity: 0; }
  67%           { opacity: 0.65; }
  68%, 69%      { opacity: 0.15; }
  70%           { opacity: 0.8; }
  72%           { opacity: 0.2; }
  73%           { opacity: 0.55; }
  75%           { opacity: 0; }
}

/* 사용자가 모션 감소 선호 시 끔 */
@media (prefers-reduced-motion: reduce) {
  .bolt-core, .bolt-halo, .bolt-branch, .storm-flash { animation: none; opacity: 0.35; }
}

.how-stage.storm #grid-input { animation: gridShake 1.2s ease-in-out infinite; }
@keyframes gridShake {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-1.5px, 0.5px); }
  50% { transform: translate(1px, -1.5px); }
  75% { transform: translate(-0.8px, 1.5px); }
}

#armShoulder { animation: armShoulder 7s ease-in-out infinite; }
#armElbow { animation: armElbow 7s ease-in-out infinite; }
#armWrist { animation: armWrist 7s ease-in-out infinite; }

@keyframes armShoulder {
  0%, 100% { transform: rotate(-12deg); }
  35%, 50% { transform: rotate(18deg); }
  85% { transform: rotate(-12deg); }
}
@keyframes armElbow {
  0%, 100% { transform: rotate(-8deg); }
  20% { transform: rotate(-32deg); }
  35%, 50% { transform: rotate(15deg); }
  70% { transform: rotate(-30deg); }
  85% { transform: rotate(-8deg); }
}
@keyframes armWrist {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(12deg); }
}

#workpiece { animation: workpiecePick 7s ease-in-out infinite; }
@keyframes workpiecePick {
  0%, 18% { opacity: 1; }
  28%, 60% { opacity: 0; }
  72%, 100% { opacity: 1; }
}

.how-info {
  background: var(--c-bg-soft); padding: 18px 22px;
  border-radius: 4px; border-left: 2px solid var(--c-green);
  transition: border-color 0.4s;
}
.how-info.comp { border-left-color: var(--c-red); }

.info-mode {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--c-green); letter-spacing: 0.12em;
  margin-bottom: 12px; text-transform: uppercase;
}
.how-info.comp .info-mode { color: var(--c-red); }

.info-body { display: flex; flex-direction: column; gap: 8px; }

.seq-step {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13px; color: var(--c-text); line-height: 1.55;
}

.seq-no {
  flex-shrink: 0; width: 19px; height: 19px;
  border-radius: 50%; background: var(--c-head); color: var(--c-bg);
  font-family: var(--font-en); font-size: 10px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}

.how-info.comp .seq-no { background: var(--c-red); }
.seq-step strong { color: var(--c-head); font-weight: 700; }

.how-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }

.hm-item {
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 4px; padding: 16px 12px;
  text-align: center; transition: all 0.3s;
}
.hm-item:hover { border-color: var(--c-red); }

.hm-num {
  font-family: var(--font-en); font-size: 24px; font-weight: 700;
  color: var(--c-red); line-height: 1; margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.hm-num span { font-size: 12px; color: var(--c-gray); margin-left: 2px; font-weight: 500; }
.hm-label { font-size: 11.5px; color: var(--c-text); }

/* ============================================================
   04. TSP의 결정적 차이 (v6.40 신설)
   ============================================================ */
.section-edge { background: var(--c-bg-soft); }

/* Before / After 시뮬레이션 */
.edge-sim { margin-bottom: 32px; }
.edge-sim-eyebrow {
  display: inline-block;
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em;
  padding: 6px 14px; background: var(--c-red-lt);
  border-radius: 2px; margin-bottom: 16px;
}
.edge-sim-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.edge-card {
  background: var(--c-bg); border-radius: 6px;
  padding: 22px 26px;
  border: 1px solid var(--c-divider);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.edge-before { border-left: 4px solid var(--c-gray-lt); }
.edge-after {
  border-left: 4px solid var(--c-red);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--c-red) 6%, transparent);
}
.edge-card-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 14px; padding-bottom: 12px;
  border-bottom: 1px solid var(--c-divider);
}
.edge-tag {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.2em;
  padding: 4px 10px; border-radius: 2px;
}
.edge-tag-before { color: var(--c-gray); background: var(--c-bg-soft); border: 1px solid var(--c-divider); }
.edge-tag-after { color: var(--c-bg); background: var(--c-red); }
.edge-state { font-size: 13px; font-weight: 600; color: var(--c-head); }
.edge-list {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  padding: 0; margin: 0;
}
.edge-list li {
  font-size: 13.5px; line-height: 1.65; color: var(--c-text);
  padding-left: 16px; position: relative;
}
.edge-list li::before {
  content: '•'; position: absolute; left: 0;
  color: var(--c-gray-lt); font-weight: 700;
}
.edge-after .edge-list li::before { color: var(--c-red); }
.edge-list strong { color: var(--c-head); font-weight: 600; }
.edge-num-em {
  color: var(--c-red); font-weight: 700;
  font-family: var(--font-en); font-size: 15px;
}

/* 핵심 기술 우위 3카드 */
.edge-feats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.edge-feat {
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 6px; padding: 22px 24px 20px;
  transition: all 0.3s;
  display: flex; flex-direction: column;
}
.edge-feat:hover {
  border-color: var(--c-red);
  transform: translateY(-3px);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--c-red) 10%, transparent);
}
.edge-feat-em { background: var(--c-red-lt); border-color: var(--c-red); }
.ef-no {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.ef-title {
  font-size: 16px; font-weight: 700; color: var(--c-head);
  line-height: 1.4; margin-bottom: 10px;
  letter-spacing: -0.015em;
  min-height: 44px;
}
.ef-desc {
  font-size: 13px; color: var(--c-text); line-height: 1.7;
  flex: 1; margin-bottom: 14px;
}
.ef-desc strong { color: var(--c-head); font-weight: 600; }
.ef-compare {
  display: flex; align-items: center; gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--c-divider);
  font-size: 11.5px;
}
.efc-bad { color: var(--c-gray-lt); text-decoration: line-through; flex: 1; }
.efc-good { color: var(--c-red); font-weight: 700; flex: 1; text-align: right; }
.ef-compare svg { color: var(--c-gray-lt); flex-shrink: 0; }

/* TSP vs UPS 비교표 (v6.43) */
.vs-table-wrap {
  margin-top: 32px;
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  padding: 22px 26px 18px;
}
.vs-table-eyebrow {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.16em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.vs-table {
  display: grid; gap: 1px;
  background: var(--c-divider);
  border: 1px solid var(--c-divider);
  border-radius: 4px; overflow: hidden;
}
.vs-row {
  display: grid; grid-template-columns: 130px 1fr 1fr;
  background: var(--c-divider);
  gap: 1px;
}
.vs-cell {
  background: var(--c-bg);
  padding: 14px 18px;
  font-size: 13.5px; color: var(--c-text); line-height: 1.5;
  display: flex; align-items: center;
}
.vs-cell strong { color: var(--c-head); font-weight: 600; }
.vs-cell-label {
  background: var(--c-bg-soft); font-weight: 700; color: var(--c-head);
  letter-spacing: 0.02em; font-size: 13px;
}
.vs-row-head .vs-cell {
  background: var(--c-head); color: var(--c-bg);
  font-weight: 700; letter-spacing: 0.04em;
  font-size: 12.5px;
}
.vs-row-head .vs-cell-tsp { background: var(--c-red); }
.vs-cell-tsp { border-left: 3px solid var(--c-red); }
.vs-cell-ups { color: var(--c-sub); }
.vs-sub { color: var(--c-gray); font-size: 12px; display: block; margin-top: 3px; }
.vs-em { color: var(--c-red); font-weight: 700; font-size: 15px; font-family: var(--font-en); }
.vs-em-big {
  color: var(--c-red); font-weight: 800;
  font-size: 22px; font-family: var(--font-en); letter-spacing: -0.02em;
}
.vs-strike { text-decoration: line-through; color: var(--c-gray-lt); }
.vs-row-em .vs-cell { background: var(--c-red-lt); }
.vs-row-em .vs-cell-label { background: color-mix(in srgb, var(--c-red-lt) 70%, var(--c-bg-soft)); }
.vs-foot {
  text-align: center; font-size: 13px; color: var(--c-text);
  margin-top: 14px; padding-top: 12px;
  border-top: 1px solid var(--c-divider);
}
.vs-foot strong { color: var(--c-red); font-weight: 700; }

@media (max-width: 768px) {
  .vs-row, .vs-row-head { grid-template-columns: 100px 1fr 1fr; }
  .vs-cell { padding: 10px 12px; font-size: 12.5px; }
  .vs-em-big { font-size: 18px; }
}

@media (max-width: 1024px) {
  .edge-sim-grid { grid-template-columns: 1fr; }
  .edge-feats { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .ef-title { min-height: 0; }
}

/* ============================================================
   05. 제품 라인업
   ============================================================ */
.products-photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; }

.prod-photo-card {
  background: var(--c-bg); border: 1px solid var(--c-divider);
  border-radius: 4px; overflow: hidden; transition: all 0.4s;
}
.prod-photo-card:hover {
  border-color: var(--c-red); transform: translateY(-3px);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--c-head) 8%, transparent);
}

.prod-photo {
  position: relative; background: var(--c-bg-soft);
  height: 240px;
  display: flex; align-items: center; justify-content: center;
  padding: 16px; overflow: hidden;
}
.prod-photo img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform 0.6s ease; }
.prod-photo-card:hover .prod-photo img { transform: scale(1.05); }

.prod-bar { position: absolute; top: 0; left: 0; width: 100%; height: 3px; }
.prod-bar-mono { background: var(--c-accent); }
.prod-bar-tri { background: var(--c-green); }
.prod-bar-large { background: var(--c-red); }

.prod-info { padding: 20px 22px; }

.prod-tag {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 600;
  color: var(--c-gray); letter-spacing: 0.12em;
  margin-bottom: 8px; text-transform: uppercase;
}

.prod-name { font-size: 20px; font-weight: 700; color: var(--c-head); margin-bottom: 6px; }
.prod-range-text {
  font-family: var(--font-en); font-size: 14px; font-weight: 700;
  color: var(--c-red); margin-bottom: 12px;
}

.prod-feat { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.prod-feat li { font-size: 13px; color: var(--c-text); padding-left: 14px; position: relative; }
.prod-feat li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 6px; height: 1px; background: var(--c-red);
}

.cert-strip {
  background: var(--c-bg-soft); border-radius: 4px;
  padding: 18px 24px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}

.cert-head {
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  color: var(--c-gray); letter-spacing: 0.15em;
  padding-right: 14px; border-right: 1px solid var(--c-divider);
}

.cert-list { display: flex; flex-wrap: wrap; gap: 6px 10px; }

.cert-item {
  font-size: 12.5px; color: var(--c-text);
  padding: 5px 13px; background: var(--c-bg);
  border: 1px solid var(--c-divider); border-radius: 2px; font-weight: 500;
}

.cert-yt {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; color: var(--c-red);
  text-decoration: none; padding: 6px 14px;
  border: 1px solid var(--c-red); border-radius: 2px;
  font-weight: 600; transition: all 0.3s;
}
.cert-yt:hover { background: var(--c-red); color: var(--c-bg); }

/* ============================================================
   05. Sag-VIEWER (다크)
   ============================================================ */
.section-viewer { background: var(--c-dark); color: var(--c-bg); }
.section-viewer .section-no { color: color-mix(in srgb, var(--c-red) 90%, white); border-bottom-color: var(--c-red); }
.section-viewer .section-title { color: var(--c-bg); }
.section-viewer .section-sub { color: var(--c-gray-xl); }
.section-viewer .section-sub strong { color: var(--c-bg); }
.section-viewer .vh-em {
  color: var(--c-red);
  font-weight: 700;
  position: relative;
  padding: 2px 10px;
  background: color-mix(in srgb, var(--c-red) 15%, transparent);
  border-radius: 3px;
  letter-spacing: -0.005em;
}

.viewer-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: stretch; }

.viewer-screen { display: flex; flex-direction: column; }

.screen-frame {
  background: #000; border: 1px solid #444; border-radius: 6px;
  overflow: hidden; box-shadow: 0 16px 40px color-mix(in srgb, var(--c-red) 12%, black);
  flex: 1; display: flex; flex-direction: column;
}

.screen-header {
  display: flex; align-items: center; gap: 6px;
  background: #2A2724; padding: 8px 12px; border-bottom: 1px solid #444;
}

.screen-dot { width: 9px; height: 9px; border-radius: 50%; }
.screen-dot:nth-child(1) { background: #FF5F56; }
.screen-dot:nth-child(2) { background: #FFBD2E; }
.screen-dot:nth-child(3) { background: #27C93F; }

.screen-title {
  margin-left: 12px;
  font-family: var(--font-en); font-size: 11.5px;
  color: #BBB; letter-spacing: 0.05em;
  transition: color 0.3s;
}

.screen-img {
  width: 100%; height: auto; display: block;
  flex: 1; object-fit: contain; background: #fff;
  transition: opacity 0.4s ease;
}
.screen-img.fading { opacity: 0; }

.screen-cap {
  text-align: center; font-size: 12px;
  color: var(--c-gray-xl); margin-top: 10px;
  font-style: italic; min-height: 36px;
  line-height: 1.5;
}

.viewer-features { display: flex; flex-direction: column; gap: 8px; }

.vf-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: color-mix(in srgb, var(--c-bg) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--c-bg) 8%, transparent);
  border-left: 2px solid transparent;
  border-radius: 4px; padding: 13px 16px;
  transition: all 0.35s; cursor: pointer;
}

.vf-item:hover {
  border-color: color-mix(in srgb, var(--c-red) 40%, transparent);
  background: color-mix(in srgb, var(--c-red) 6%, transparent);
}

.vf-item.active {
  border-left-color: var(--c-red);
  background: color-mix(in srgb, var(--c-red) 12%, transparent);
}

.vf-no {
  font-family: var(--font-en); font-size: 13px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.05em;
  flex-shrink: 0; padding-top: 1px;
}

.vf-content { flex: 1; }

.vf-module {
  font-family: var(--font-en); font-size: 9.5px; font-weight: 600;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 4px; text-transform: uppercase;
  opacity: 0.85;
}

.vf-content h4 {
  font-size: 14.5px; font-weight: 700; color: var(--c-bg);
  margin-bottom: 4px; letter-spacing: -0.01em;
}

.vf-content p { font-size: 12px; color: var(--c-gray-xl); line-height: 1.5; }

/* ============================================================
   06. 적용 사례 + 메이저 고객사 부각
   ============================================================ */
.major-customers {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 32px;
}

.mc-block {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 22px 26px;
  transition: border-color 0.3s;
}

.mc-block:hover { border-color: var(--c-red); }

.mc-tag {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 1px solid var(--c-divider);
}

.mc-list {
  display: flex; flex-wrap: wrap;
  gap: 10px 22px; align-items: baseline;
}

.mc-name {
  font-family: var(--font-en);
  font-size: 17px; font-weight: 500;
  color: var(--c-text);
  letter-spacing: -0.01em;
  position: relative;
}

.mc-name-em {
  font-size: 22px; font-weight: 700;
  color: var(--c-head); letter-spacing: -0.025em;
}

.mc-name-em::after {
  content: '';
  display: inline-block;
  width: 4px; height: 4px;
  background: var(--c-red);
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
  margin-bottom: 3px;
}

/* 실증 효과 박스 (v6.43 신설) */
.proof-block {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  padding: 24px 28px 20px;
  margin: 24px 0;
}
.proof-eyebrow {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 18px;
}
.proof-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px; background: var(--c-divider);
  border: 1px solid var(--c-divider); border-radius: 4px;
  overflow: hidden;
}
.proof-item {
  background: var(--c-bg); padding: 22px 24px;
  transition: background 0.25s;
}
.proof-item:hover { background: var(--c-bg-soft); }
.proof-item-em { background: var(--c-red-lt); }
.proof-num {
  font-family: var(--font-en); font-size: 34px; font-weight: 800;
  color: var(--c-red); line-height: 1; letter-spacing: -0.04em;
  margin-bottom: 10px;
}
.proof-unit { font-size: 15px; color: var(--c-head); font-weight: 600; margin-left: 4px; letter-spacing: 0; }
.proof-label { font-size: 13px; color: var(--c-text); font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.proof-rate { font-size: 12px; color: var(--c-sub); }
.proof-rate strong { color: var(--c-head); font-weight: 700; }
.proof-foot {
  font-size: 11.5px; color: var(--c-gray-lt); margin-top: 14px;
  text-align: right; font-style: italic;
}
@media (max-width: 768px) {
  .proof-grid { grid-template-columns: 1fr; }
  .proof-num { font-size: 28px; }
}

/* 글로벌 대규모 납품 하이라이트 — 비전옥스 (v6.39) */
.case-highlight {
  background: linear-gradient(135deg, var(--c-bg-warm) 0%, var(--c-bg) 100%);
  border: 1px solid var(--c-red);
  border-left: 4px solid var(--c-red);
  border-radius: 4px;
  padding: 26px 32px;
  margin: 28px 0 36px;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--c-red) 8%, transparent);
}
.ch-eyebrow {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.2em;
  margin-bottom: 14px;
}
.ch-body {
  display: grid; grid-template-columns: 180px 1fr; gap: 28px; align-items: center;
}
.ch-num {
  font-family: var(--font-en); font-size: 64px; font-weight: 800;
  color: var(--c-red); line-height: 0.95; letter-spacing: -0.04em;
}
.ch-unit {
  font-size: 22px; color: var(--c-head); font-weight: 600;
  margin-left: 4px; letter-spacing: 0;
}
.ch-title { font-size: 18px; font-weight: 700; color: var(--c-head); margin-bottom: 10px; line-height: 1.4; }
.ch-desc { font-size: 14px; color: var(--c-text); line-height: 1.7; }
.ch-desc strong { color: var(--c-head); font-weight: 600; }

@media (max-width: 768px) {
  .ch-body { grid-template-columns: 1fr; gap: 12px; }
  .ch-num { font-size: 52px; }
}

/* ============================================================
   07. 글로벌 네트워크 — 세계지도 + 거점 (v6.37)
   ============================================================ */
.net-metrics {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px; background: var(--c-divider);
  border: 1px solid var(--c-divider); border-radius: 4px;
  overflow: hidden; margin-bottom: 36px;
}
.nm-item {
  background: var(--c-bg); padding: 22px 24px;
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  transition: background 0.25s;
}
.nm-item:hover { background: var(--c-bg-soft); }
.nm-item-em { background: var(--c-red-lt); }
.nm-num {
  font-family: var(--font-en); font-size: 34px; font-weight: 700;
  color: var(--c-head); letter-spacing: -0.03em; line-height: 1;
}
.nm-item-em .nm-num { color: var(--c-red); }
.nm-unit { font-size: 14px; color: var(--c-red); font-weight: 500; margin-right: 12px; }
.nm-label { font-size: 13px; color: var(--c-text); font-weight: 500; }

/* 세계지도 */
.world-map-wrap { max-width: 920px; margin: 0 auto; }
.world-map {
  width: 100%; height: auto; display: block;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-divider); border-radius: 6px;
}
.wm-base {
  opacity: 0.5;
  filter: sepia(0.55) hue-rotate(-10deg) saturate(0.7) brightness(1.05);
}
.wm-dots circle {
  fill: var(--c-red); opacity: 0.78;
}
.wm-dot-main {
  fill: var(--c-red);
  animation: wm-pulse 2.6s ease-in-out infinite;
}
.wm-ring {
  fill: none; stroke: var(--c-red); stroke-width: 1.4;
  opacity: 0.45;
  transform-origin: center;
  animation: wm-ring-pulse 2.6s ease-in-out infinite;
}
@keyframes wm-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
@keyframes wm-ring-pulse {
  0%, 100% { stroke-opacity: 0.45; r: 11; }
  50% { stroke-opacity: 0.15; r: 16; }
}
.wm-label-main {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  fill: var(--c-head); letter-spacing: 0.02em;
}

.wm-legend {
  display: flex; justify-content: center; gap: 28px;
  margin-top: 14px; font-size: 12px; color: var(--c-sub);
}
.wml-item { display: inline-flex; align-items: center; gap: 7px; }
.wml-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-red); opacity: 0.78;
}
.wml-dot-main {
  width: 11px; height: 11px;
  background: var(--c-red); opacity: 1;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-red) 25%, transparent);
}

.wm-countries {
  margin-top: 18px; padding: 14px 18px;
  background: var(--c-bg-soft);
  border-radius: 4px;
  font-size: 12.5px; color: var(--c-text); line-height: 1.8;
  text-align: center;
  word-break: keep-all;
}
.wm-countries strong { color: var(--c-red); font-weight: 700; margin-right: 6px; }

/* ============================================================
   08. Performance Report — 실제 보고서 양식
   ============================================================ */
.section-report { background: linear-gradient(180deg, var(--c-bg-warm) 0%, var(--c-bg-soft) 100%); }

.report-paper {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  box-shadow: 0 24px 48px color-mix(in srgb, var(--c-head) 10%, transparent),
              0 4px 8px color-mix(in srgb, var(--c-head) 5%, transparent);
  padding: 0;
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
}

.report-paper::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--c-red);
}

/* 보고서 헤더 */
.report-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 36px 18px;
  border-bottom: 1px solid var(--c-divider);
}

.report-header-left { display: flex; align-items: center; gap: 22px; }

.report-logo {
  font-family: var(--font-en); font-size: 18px; font-weight: 800;
  color: var(--c-red); letter-spacing: 0.05em;
}

.report-doc-no {
  font-family: var(--font-en); font-size: 10.5px;
  color: var(--c-gray-lt); letter-spacing: 0.08em;
}

.report-header-right { display: flex; align-items: center; gap: 14px; }

.report-classify {
  font-family: var(--font-en); font-size: 10px; font-weight: 700;
  color: var(--c-bg); background: var(--c-head);
  padding: 4px 10px; border-radius: 1px;
  letter-spacing: 0.15em;
}

.report-rev {
  font-family: var(--font-en); font-size: 10.5px;
  color: var(--c-gray); letter-spacing: 0.05em;
}

/* 보고서 타이틀 바 */
.report-title-bar {
  padding: 28px 36px 22px;
  border-bottom: 1px solid var(--c-divider);
  background: linear-gradient(90deg, var(--c-red-lt) 0%, transparent 60%);
}

.report-title-no {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.22em; margin-bottom: 8px;
}

.report-title-h {
  font-size: 24px; font-weight: 700; color: var(--c-head);
  letter-spacing: -0.015em; margin-bottom: 6px;
}

.report-title-sub { font-size: 13px; color: var(--c-gray); }

/* 보고서 메타 그리드 */
.report-meta-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--c-divider);
}

.report-meta-item { padding: 14px 20px; border-right: 1px solid var(--c-divider); }
.report-meta-item:last-child { border-right: none; }

.rmi-key {
  font-family: var(--font-en); font-size: 9.5px; font-weight: 600;
  color: var(--c-gray); letter-spacing: 0.15em;
  margin-bottom: 4px; text-transform: uppercase;
}

.rmi-val { font-size: 12.5px; font-weight: 600; color: var(--c-head); line-height: 1.45; }

/* 보고서 본문 */
.report-body { padding: 24px 36px 28px; }

.report-section {
  display: flex; align-items: baseline; gap: 10px;
  margin: 18px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1.5px solid var(--c-head);
}

.rs-no {
  font-family: var(--font-en); font-size: 14px; font-weight: 700;
  color: var(--c-red);
}

.rs-title { font-size: 14.5px; font-weight: 700; color: var(--c-head); letter-spacing: -0.01em; }

.report-chart-wrap {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  padding: 12px;
  margin-bottom: 8px;
}

.report-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--c-divider);
  margin-bottom: 8px;
}

.report-table tr { border-bottom: 1px solid var(--c-divider); }
.report-table tr:last-child { border-bottom: none; }

.rt-key {
  width: 200px; padding: 10px 16px;
  background: var(--c-bg-soft);
  font-size: 12px; color: var(--c-gray); font-weight: 500;
  border-right: 1px solid var(--c-divider);
}

.rt-val {
  padding: 10px 16px;
  font-size: 13px; color: var(--c-head); font-weight: 500;
}

.rt-em { color: var(--c-red); font-weight: 700; font-size: 14px; }

.report-conclusion {
  background: var(--c-bg-soft);
  border-left: 3px solid var(--c-red);
  padding: 16px 20px;
}

.report-conclusion p {
  font-size: 13px; color: var(--c-text);
  line-height: 1.75; margin-bottom: 10px;
}
.report-conclusion p:last-child { margin-bottom: 0; }
.report-conclusion p strong { color: var(--c-head); font-weight: 700; }

.rc-recommend {
  padding-top: 8px; border-top: 1px dashed var(--c-divider);
  margin-top: 10px !important;
}

/* 보고서 푸터 */
.report-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 36px 20px;
  border-top: 1px solid var(--c-divider);
  background: var(--c-bg-soft);
}

.rf-sign { font-size: 11.5px; font-weight: 700; color: var(--c-head); }
.rf-by { font-family: var(--font-en); font-size: 10px; color: var(--c-gray-lt); margin-top: 3px; }

.rf-right { display: flex; align-items: center; gap: 16px; }

.rf-page { font-family: var(--font-en); font-size: 10.5px; color: var(--c-gray); letter-spacing: 0.1em; }

.rf-stamp {
  font-family: var(--font-en); font-size: 11px; font-weight: 800;
  color: var(--c-red); border: 1.5px solid var(--c-red);
  padding: 4px 12px; border-radius: 1px;
  letter-spacing: 0.18em; transform: rotate(-3deg);
  opacity: 0.7;
}

.sag-scatter { width: 100%; height: auto; max-height: 320px; }

#sagDots circle {
  opacity: 0; transform: scale(0);
  transform-origin: center; transform-box: fill-box;
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#sagDots.in-view circle { opacity: 1; transform: scale(1); }
#sagDots.in-view circle:nth-child(1) { transition-delay: 0.05s; }
#sagDots.in-view circle:nth-child(2) { transition-delay: 0.12s; }
#sagDots.in-view circle:nth-child(3) { transition-delay: 0.18s; }
#sagDots.in-view circle:nth-child(4) { transition-delay: 0.24s; }
#sagDots.in-view circle:nth-child(5) { transition-delay: 0.30s; }
#sagDots.in-view circle:nth-child(6) { transition-delay: 0.36s; }
#sagDots.in-view circle:nth-child(7) { transition-delay: 0.42s; }
#sagDots.in-view circle:nth-child(8) { transition-delay: 0.48s; }
#sagDots.in-view circle:nth-child(9) { transition-delay: 0.54s; }
#sagDots.in-view circle:nth-child(10) { transition-delay: 0.60s; }
#sagDots.in-view circle:nth-child(11) { transition-delay: 0.66s; }
#sagDots.in-view circle:nth-child(12) { transition-delay: 0.72s; }
#sagDots.in-view circle:nth-child(13) { transition-delay: 0.78s; }
#sagDots.in-view circle:nth-child(14) { transition-delay: 0.84s; }
#sagDots.in-view circle:nth-child(15) { transition-delay: 0.90s; }
#sagDots.in-view circle:nth-child(16) { transition-delay: 0.96s; }
#sagDots.in-view circle:nth-child(17) { transition-delay: 1.02s; }
#sagDots.in-view circle:nth-child(18) { transition-delay: 1.08s; }
#sagDots.in-view circle:nth-child(19) { transition-delay: 1.14s; }
#sagDots.in-view circle:nth-child(20) { transition-delay: 1.20s; }
#sagDots.in-view circle:nth-child(21) { transition-delay: 1.26s; }

/* ============================================================
   Contact — 부가 채널 + 통합 푸터 (v6.36 통합)
   ============================================================ */
.contact-channels {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 8px 28px; margin-top: 28px; padding: 18px 16px;
  border-top: 1px solid var(--c-divider);
  border-bottom: 1px solid var(--c-divider);
}
.cc-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--c-sub);
  text-decoration: none; transition: color 0.25s;
  letter-spacing: 0.01em;
}
.cc-link svg { color: var(--c-gray-lt); transition: color 0.25s; }
.cc-link:hover { color: var(--c-red); }
.cc-link:hover svg { color: var(--c-red); }

.contact-footer { text-align: center; padding-top: 28px; }
.cf-logo { width: 92px; margin: 0 auto 10px; }
.cf-line { font-family: var(--font-en); font-size: 12.5px; color: var(--c-text); margin-bottom: 8px; letter-spacing: 0.05em; }
.cf-meta { font-family: var(--font-ko); font-size: 11px; color: var(--c-gray-lt); }

/* ============================================================
   반응형 — 사이드바 자동 축소 + 섹션 fit-to-viewport (v6.18)
   ============================================================ */

/* 1440px 미만: 사이드바 표준 크기 유지하되 섹션 패딩 축소 */
@media (max-width: 1440px) {
  :root { --pad-x: 48px; }
  .section { padding: 48px var(--pad-x); }
  .section-title { font-size: 26px; }
  .hero-title { font-size: 56px; }
}

/* 1280px 미만: 사이드바 좁게 + 섹션 컴팩트 */
@media (max-width: 1280px) {
  :root { --sb-w: 190px; --pad-x: 36px; }
  .sidebar-brand { padding: 0 16px 12px; }
  .brand-logo { width: 84px; }
  .brand-tag { font-size: 9.5px; }
  .nav-item { padding: 5px 16px; font-size: 11.5px; min-height: 30px; gap: 8px; }
  .nav-no { font-size: 9.5px; min-width: 16px; }
  .section { padding: 36px var(--pad-x); }
  .section-title { font-size: 24px; }
  .hero-title { font-size: 48px; }
  .hero-tagline { font-size: 14.5px; }
}

/* 1024px 이하: 사이드바 드로어 (모바일/태블릿) */
@media (max-width: 1024px) {
  :root { --sb-w: 0px; --pad-x: 28px; }

  .sidebar { transform: translateX(-100%); transition: transform 0.3s; width: 280px; }
  .sidebar.open { transform: translateX(0) !important; }
  .main {
    margin-left: 0;
    scroll-snap-type: none;
    height: auto;
    overflow-y: visible;
  }
  /* Mobile: IntersectionObserver/anime.js can stall in narrow viewports.
     Show content immediately to guarantee visibility. */
  [data-reveal],
  [data-reveal-stagger],
  [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
  }
  .mobile-toggle { display: flex; }
  .lang-toggle-mobile { display: flex; }
  .progress-bar { left: 0; }

  .section { padding: 56px 28px; min-height: auto; scroll-snap-align: none; }

  .hero-title { font-size: 52px; }
  .section-title { font-size: 30px; }

  .kw-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-metrics, .how-metrics { grid-template-columns: repeat(2, 1fr); }
  .ind-table { grid-template-columns: repeat(3, 1fr); gap: 8px 0; }
  .ind-col { padding: 8px 12px 8px 0; }
  .about-layout, .need-row, .how-container, .viewer-layout {
    grid-template-columns: 1fr;
  }
  .need-impact { grid-template-columns: 1fr; }
  .products-photo-grid { grid-template-columns: 1fr; }

  .report-meta-grid { grid-template-columns: repeat(2, 1fr); }
  .report-meta-item:nth-child(2n) { border-right: none; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 44px; }
  .section { padding: 40px 18px; }
  .kw-grid { grid-template-columns: 1fr; }
  .hero-metrics { grid-template-columns: 1fr; gap: 12px; }
  .ind-table { grid-template-columns: repeat(2, 1fr); }
  .ind-col-num { font-size: 17px; }
  .mc-name { font-size: 14px; }
  .mc-name-em { font-size: 18px; }
  .report-header, .report-title-bar, .report-body, .report-footer { padding-left: 18px; padding-right: 18px; }
}

/* ============================================================
   v6 추가 — News card / Cost visual / Cert marks / Modal / SCADA
   ============================================================ */

/* WHY — 산업 사고 헤드라인 카드 */
.news-badge {
  display: inline-block;
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 14px; padding: 5px 12px;
  border: 1px solid var(--c-red); border-radius: 2px;
}

.news-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 10px; margin-bottom: 16px;
}

.news-card {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-left: 3px solid var(--c-gray-lt);
  border-radius: 3px;
  padding: 16px 18px;
  transition: all 0.3s;
}
.news-card:hover {
  border-left-color: var(--c-red);
  transform: translateX(2px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--c-head) 6%, transparent);
}
.news-card-em {
  background: var(--c-dark); color: var(--c-bg);
  border-left-color: var(--c-red);
}

.news-source {
  font-family: var(--font-en); font-size: 10px; font-weight: 700;
  color: var(--c-gray); letter-spacing: 0.1em; margin-bottom: 8px;
}
.news-card-em .news-source { color: var(--c-red); }

.news-title {
  font-size: 14.5px; font-weight: 700;
  color: var(--c-head); line-height: 1.45;
  margin-bottom: 8px;
}
.news-card-em .news-title { color: var(--c-bg); }

.news-meta { font-size: 11.5px; color: var(--c-gray); line-height: 1.5; }
.news-card-em .news-meta { color: var(--c-gray-xl); }

.news-disclaimer {
  font-size: 10.5px; color: var(--c-gray-lt);
  font-style: italic; text-align: right;
  padding-top: 8px; border-top: 1px dashed var(--c-divider);
}

/* FAB 매트릭스 토글 (v6.39) */
.fab-matrix-details {
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  background: var(--c-bg);
  margin-top: 28px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.fab-matrix-details[open] { border-color: var(--c-red); }
.fab-matrix-summary {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 24px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.25s;
}
.fab-matrix-summary::-webkit-details-marker { display: none; }
.fab-matrix-summary:hover { background: var(--c-bg-soft); }
.fms-eyebrow {
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.2em;
}
.fms-title {
  flex: 1;
  font-size: 15px; font-weight: 600; color: var(--c-head);
  letter-spacing: -0.01em;
}
.fms-chevron {
  color: var(--c-gray);
  transition: transform 0.3s ease;
}
.fab-matrix-details[open] .fms-chevron { transform: rotate(180deg); }
.fab-matrix-details .fab-matrix { padding: 0 24px 22px; }
.fab-matrix-details .fab-matrix-head { display: none; }

/* PRODUCTS — 인증 마크 강화 */
.cert-marks-block {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 24px 28px;
  margin-bottom: 12px;
}

.cert-marks-head { margin-bottom: 18px; }
.cert-marks-title {
  font-family: var(--font-en); font-size: 11.5px; font-weight: 700;
  color: var(--c-head); letter-spacing: 0.18em; margin-bottom: 4px;
}
.cert-marks-sub { font-size: 12px; color: var(--c-gray); }

.cert-marks-grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 10px; margin-bottom: 16px;
}

.cert-mark-card {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-divider);
  border-radius: 3px;
  padding: 14px 8px;
  text-align: center;
  transition: all 0.3s;
}
.cert-mark-card:hover { border-color: var(--c-head); transform: translateY(-2px); }

.cert-mark-card-rel {
  background: var(--c-bg);
  border-style: dashed;
  opacity: 0.85;
}

.cert-mark-svg {
  display: flex; justify-content: center; align-items: center;
  height: 50px; margin-bottom: 8px;
}

.cert-mark-name {
  font-family: var(--font-en); font-size: 12px; font-weight: 700;
  color: var(--c-head); margin-bottom: 3px;
  letter-spacing: 0.02em;
}

.cert-mark-desc { font-size: 10.5px; color: var(--c-gray); line-height: 1.3; }

.cert-marks-foot {
  font-size: 11.5px; color: var(--c-text);
  padding-top: 12px; border-top: 1px solid var(--c-divider);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  line-height: 1.6;
}

.cert-foot-tag {
  font-family: var(--font-en); font-size: 9.5px; font-weight: 700;
  color: var(--c-red); background: var(--c-red-lt);
  padding: 3px 8px; border-radius: 2px; letter-spacing: 0.08em;
}
.cert-foot-tag-rel { color: var(--c-gray); background: var(--c-bg-soft); }

.cert-foot-divider { color: var(--c-gray-lt); }

/* SAG-VIEWER — Action Button + Modals */
.screen-action-btn {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 5px;
  background: #22d3ee; color: #0f172a;
  border: none; padding: 4px 10px;
  border-radius: 3px;
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.05em; cursor: pointer;
  transition: all 0.2s;
}
.screen-action-btn:hover { background: #67e8f9; transform: translateY(-1px); }

/* Modal */
.vf-modal {
  position: fixed; inset: 0;
  display: none; align-items: center; justify-content: center;
  z-index: 1000;
}
.vf-modal.open { display: flex; }

.vf-modal-bg {
  position: absolute; inset: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.vf-modal-frame {
  position: relative;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 8px;
  width: 90%; max-width: 880px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  animation: modalIn 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.vf-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
  border-radius: 8px 8px 0 0;
}

.vf-modal-title {
  font-family: var(--font-en); font-size: 12.5px; font-weight: 700;
  color: #22d3ee; letter-spacing: 0.08em;
}

.vf-modal-close {
  background: transparent; border: 1px solid #475569;
  color: #cbd5e1; width: 28px; height: 28px;
  border-radius: 3px; font-size: 16px; cursor: pointer;
  transition: all 0.2s;
}
.vf-modal-close:hover { background: #dc2626; color: #fff; border-color: #dc2626; }

.vf-modal-body { padding: 22px 26px; color: #cbd5e1; }

.vf-modal-meta {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px 16px;
  background: #1e293b;
  padding: 14px 18px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 12px;
}
.vf-modal-meta strong { color: #94a3b8; font-weight: 600; margin-right: 6px; }

.vf-modal-chart { background: #1e293b; padding: 14px; border-radius: 4px; margin-bottom: 14px; }

.vf-modal-finding {
  background: rgba(34, 211, 238, 0.08);
  border-left: 3px solid #22d3ee;
  padding: 12px 16px; border-radius: 2px;
  font-size: 12.5px; color: #cbd5e1; line-height: 1.6;
}
.vf-modal-finding strong { color: #22d3ee; }

.vf-modal-actions {
  display: flex; gap: 10px; margin-bottom: 14px;
}

.vf-export-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #22d3ee; color: #0f172a;
  border: none; padding: 9px 18px;
  border-radius: 3px;
  font-family: var(--font-ko); font-size: 12.5px; font-weight: 700;
  cursor: pointer; transition: all 0.2s;
}
.vf-export-btn:hover { background: #67e8f9; transform: translateY(-1px); }
.vf-export-btn-secondary { background: transparent; color: #22d3ee; border: 1px solid #22d3ee; }
.vf-export-btn-secondary:hover { background: rgba(34,211,238,0.12); }

.event-graph-svg, .report-graph-svg { width: 100%; height: auto; }

/* SCADA 화면 (Sag-VIEWER 메뉴 5) */
.scada-screen-content {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 4px;
  overflow: hidden;
}
.scada-svg { width: 100%; height: auto; display: block; }

/* 반응형 */
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: 1fr; }
  .cert-marks-grid { grid-template-columns: repeat(3, 1fr); }
  .vf-modal-meta { grid-template-columns: 1fr; }
  .vf-modal-actions { flex-direction: column; }
}

@media (max-width: 600px) {
  .cert-marks-grid { grid-template-columns: repeat(2, 1fr); }
  .vf-modal-frame { width: 95%; max-height: 95vh; }
  .vf-modal-body { padding: 14px 16px; }
}

/* ============================================================
   v6.1 — Loss split / 5-stage toggle / Flags / Refined certs
   ============================================================ */

/* 손실 구조 — 직접 vs 간접 */
.loss-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
}

.loss-col {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 24px 26px;
  display: flex; flex-direction: column;
  transition: all 0.3s;
}

.loss-col-direct { border-top: 3px solid var(--c-red); }
.loss-col-indirect { border-top: 3px solid var(--c-head); }

.loss-col:hover { transform: translateY(-3px); box-shadow: 0 10px 24px color-mix(in srgb, var(--c-head) 8%, transparent); }

.loss-col-head { margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--c-divider); }

.loss-col-tag {
  display: inline-block;
  font-family: var(--font-en); font-size: 10px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 8px;
}

.loss-col-indirect .loss-col-tag { color: var(--c-head); }

.loss-col-title {
  font-size: 22px; font-weight: 700;
  color: var(--c-head); margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.loss-col-desc { font-size: 13px; color: var(--c-gray); line-height: 1.5; }

.loss-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.loss-list li {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 12px;
  background: var(--c-bg-soft);
  border-radius: 3px;
  transition: all 0.25s;
}

.loss-col-direct .loss-list li:hover {
  background: var(--c-red-lt);
  transform: translateX(3px);
}
.loss-col-indirect .loss-list li:hover {
  background: var(--c-bg-warm);
  transform: translateX(3px);
}

.loss-num {
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.05em;
  background: var(--c-bg);
  padding: 4px 8px; border-radius: 2px;
  flex-shrink: 0;
}
.loss-col-indirect .loss-num { color: var(--c-head); }

.loss-text { font-size: 14px; font-weight: 600; color: var(--c-head); }

.loss-vs {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-size: 14px; font-weight: 700;
  color: var(--c-gray-lt); letter-spacing: 0.18em;
  min-width: 32px;
}

/* 5단계 토글 */
.how-toggle-5 {
  flex-wrap: wrap;
}
.how-toggle-5 .toggle-btn {
  padding: 8px 14px; font-size: 11.5px;
}

/* 인증 마크 — 4개 그리드 (실제 보유만) */
.cert-marks-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .cert-marks-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cert-marks-grid-4 { grid-template-columns: repeat(2, 1fr); } }

.cert-mark-card { padding: 16px 12px; }

/* 1024 반응형 추가 */
@media (max-width: 1024px) {
  .loss-split { grid-template-columns: 1fr; }
  .loss-vs { transform: rotate(90deg); margin: 4px auto; }
  .how-toggle-5 .toggle-btn { padding: 7px 10px; font-size: 11px; }
}

/* ============================================================
   v6.4 — Light REPORT Modal (페이지 톤)
   ============================================================ */

/* REPORT 모달 — Light 테마 (페이지 톤 통일) */
.vf-modal-frame-light {
  background: var(--c-bg) !important;
  border: 1px solid var(--c-divider) !important;
  box-shadow: 0 24px 60px rgba(44, 41, 36, 0.25) !important;
}

.vf-modal-header-light {
  background: var(--c-bg-soft) !important;
  border-bottom: 1px solid var(--c-divider) !important;
}

.vf-modal-frame-light .vf-modal-title {
  color: var(--c-red) !important;
  font-weight: 700;
}

.vf-modal-close-light {
  background: transparent !important;
  border: 1px solid var(--c-divider) !important;
  color: var(--c-gray) !important;
}

.vf-modal-close-light:hover {
  background: var(--c-red) !important;
  color: var(--c-bg) !important;
  border-color: var(--c-red) !important;
}

.vf-modal-body-light {
  color: var(--c-text) !important;
  background: var(--c-bg) !important;
}

.vf-modal-meta-light {
  background: var(--c-bg-soft) !important;
  color: var(--c-text) !important;
}

.vf-modal-meta-light strong {
  color: var(--c-gray) !important;
}

.vf-modal-chart-light {
  background: var(--c-bg) !important;
  border: 1px solid var(--c-divider) !important;
}

.vf-modal-finding-light {
  background: var(--c-red-lt) !important;
  border-left: 3px solid var(--c-red) !important;
  color: var(--c-text) !important;
}

.vf-modal-finding-light strong {
  color: var(--c-red) !important;
}

.vf-export-btn-light {
  background: var(--c-red) !important;
  color: var(--c-bg) !important;
}

.vf-export-btn-light:hover {
  background: var(--c-red-dk) !important;
}

.vf-export-btn-secondary-light {
  background: transparent !important;
  color: var(--c-red) !important;
  border: 1px solid var(--c-red) !important;
}

.vf-export-btn-secondary-light:hover {
  background: var(--c-red-lt) !important;
}

/* ============================================================
   v6.5 — 자동 시퀀스 + 진행 바 + Play 버튼
   ============================================================ */

.how-controls {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  margin-bottom: 14px;
}

.play-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-head); color: var(--c-bg);
  border: none; padding: 9px 18px;
  border-radius: 4px;
  font-family: var(--font-ko); font-size: 12.5px; font-weight: 700;
  cursor: pointer; transition: all 0.25s;
  letter-spacing: 0.02em;
}

.play-btn:hover {
  background: var(--c-red);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--c-red) 30%, transparent);
}

.play-btn.playing {
  background: var(--c-red);
  animation: playPulse 1.5s ease-in-out infinite;
}

@keyframes playPulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--c-red) 50%, transparent); }
  50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--c-red) 0%, transparent); }
}

.play-btn svg { transition: transform 0.3s; }
.play-btn.playing svg {
  /* Play 아이콘 → Stop 사각형으로 보이게 (동그란 테두리로) */
  transform: scale(0.85);
}

/* 진행 바 */
.seq-progress {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--c-bg-soft);
  padding: 14px 22px;
  border-radius: 4px;
  margin-bottom: 14px;
  gap: 6px;
}

.seq-progress-step {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.3s;
  flex-shrink: 0;
  min-width: 70px;
}

.seq-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-divider);
  transition: all 0.4s ease;
  position: relative;
}

.seq-progress-step.done .seq-dot {
  background: var(--c-gray-lt);
  border-color: var(--c-gray-lt);
}

.seq-progress-step.active .seq-dot {
  background: var(--c-red);
  border-color: var(--c-red);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-red) 20%, transparent);
  animation: dotPulse 1.4s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-red) 20%, transparent); }
  50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--c-red) 5%, transparent); }
}

.seq-label {
  font-family: var(--font-en); font-size: 9.5px; font-weight: 700;
  color: var(--c-gray); letter-spacing: 0.1em;
  transition: color 0.3s;
}

.seq-progress-step.done .seq-label { color: var(--c-gray-lt); }
.seq-progress-step.active .seq-label { color: var(--c-red); }

.seq-progress-line {
  flex: 1;
  height: 1.5px;
  background: var(--c-divider);
  min-width: 12px;
  transition: background 0.3s;
}

@media (max-width: 1024px) {
  .seq-progress { padding: 10px 14px; gap: 4px; }
  .seq-progress-step { min-width: 50px; }
  .seq-label { font-size: 8.5px; }
}

@media (max-width: 600px) {
  .seq-progress { overflow-x: auto; padding: 8px 10px; }
  .seq-label { display: none; }
  .how-controls { flex-direction: column; align-items: stretch; }
  .play-btn { justify-content: center; }
}

/* ============================================================
   v6.6 — 상태 인디케이터 숨김 + 인증 마크 SVG + 화살표
   ============================================================ */

/* 상단 상태 인디케이터 (중복 — 진행 바와 토글 버튼이 이미 있음) */
#statusIndicator { display: none; }

/* 인증 마크 SVG 이미지 */
.cert-mark-img {
  max-width: 90px;
  max-height: 50px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.cert-section-label {
  display: flex; align-items: center; gap: 12px;
  margin: 14px 0 10px;
}

.cert-section-label-mt { margin-top: 22px; }

.cert-section-tag {
  font-family: var(--font-en); font-size: 10px; font-weight: 700;
  color: var(--c-gray); background: var(--c-bg-soft);
  padding: 4px 10px; border-radius: 2px; letter-spacing: 0.12em;
}

.cert-section-tag-em {
  color: var(--c-bg); background: var(--c-red);
}

.cert-section-text {
  font-size: 12px; color: var(--c-text); font-weight: 600;
}

.cert-marks-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 1024px) {
  .cert-marks-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cert-marks-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* SEMI 마크 옆 F47 / S2 배지 */
.cert-mark-svg { position: relative; }

.cert-mark-badge {
  position: absolute;
  bottom: -2px; right: 6px;
  background: #dc2626; color: #fff;
  font-family: var(--font-en); font-size: 10px; font-weight: 800;
  padding: 2px 7px; border-radius: 2px;
  letter-spacing: 0.05em;
}

/* ============================================================
   v6.7 — 실제 인증서 썸네일 + SOC/랜드마크
   ============================================================ */

/* 인증서 썸네일 카드 */
.cert-doc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.cert-doc-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.cert-doc-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.cert-doc-grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

/* ============================================================
   보호 방식 — scheme-block (v6.15)
   비전공자 3초 이해 · 카드 높이 동일 · 브랜드 톤 (삼성/ABB/Schneider)
   ============================================================ */
.scheme-block {
  margin: 56px 0 40px;
  padding: 0;
  background: transparent;
  border: none;
}

.scheme-head {
  text-align: center;
  margin-bottom: 36px;
}

.scheme-eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.22em;
  margin-bottom: 12px;
}

.scheme-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-head);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.scheme-sub {
  font-size: 15px;
  color: var(--c-gray);
  margin-top: 10px;
  line-height: 1.55;
}

/* 2열 카드 (동일 높이) */
.scheme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.scheme-card {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 10px;
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.scheme-card:hover {
  border-color: var(--c-red);
  box-shadow: 0 12px 36px color-mix(in srgb, var(--c-head) 8%, transparent);
  transform: translateY(-2px);
}

.scheme-card-b:hover { border-color: #5B7AA8; }

/* 헤더 */
.scheme-card-head {
  margin-bottom: 24px;
}

.scheme-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 14px;
  border: 1px solid;
  background: transparent;
}

.scheme-tag-a {
  color: var(--c-red);
  border-color: var(--c-red);
}

.scheme-tag-b {
  color: #5B7AA8;
  border-color: #5B7AA8;
}

.scheme-card-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--c-head);
  margin: 0 0 8px;
  letter-spacing: -0.022em;
  line-height: 1.3;
}

.scheme-card-sub {
  font-size: 15px;
  color: var(--c-gray);
  margin: 0;
  line-height: 1.5;
}

/* 비주얼 */
.scheme-visual {
  margin: 0 0 28px;
  padding: 16px 12px;
  background: var(--c-bg-soft);
  border-radius: 6px;
}

.scheme-svg {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

/* 핵심 한 줄 요약 (v6.44 압축) */
.scheme-summary {
  margin: 18px 0;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--c-head);
  line-height: 1.6;
  padding-left: 14px;
  border-left: 2px solid var(--c-red);
}
.scheme-card-b .scheme-summary { border-left-color: #5B7AA8; }

/* 추천 환경 박스 */
.scheme-fit {
  margin-top: auto;
  padding: 14px 18px;
  border-radius: 6px;
  background: var(--c-bg-soft);
  border-left: 3px solid var(--c-red);
}
.scheme-fit-b { border-left-color: #5B7AA8; }
.scheme-fit-label {
  font-family: var(--font-en);
  font-size: 10.5px; font-weight: 700;
  color: var(--c-gray); letter-spacing: 0.16em;
  margin-bottom: 6px; text-transform: uppercase;
}
.scheme-fit-line {
  font-size: 13px; color: var(--c-text); line-height: 1.5;
}

/* === 반응형 === */
@media (max-width: 1024px) {
  .scheme-card { padding: 28px 24px 24px; }
  .scheme-card-title { font-size: 22px; }
  .scheme-title { font-size: 24px; }
}

@media (max-width: 768px) {
  .scheme-block { margin: 40px 0 28px; }
  .scheme-grid { grid-template-columns: 1fr; gap: 16px; }
  .scheme-head { margin-bottom: 24px; }
  .scheme-title { font-size: 21px; }
  .scheme-sub { font-size: 13.5px; }
  .scheme-card { padding: 24px 20px 22px; }
  .scheme-card-title { font-size: 20px; }
  .scheme-card-sub { font-size: 13.5px; }
  .scheme-points li { font-size: 13.5px; }
}

@media (max-width: 480px) {
  .scheme-card { padding: 22px 18px 20px; }
  .scheme-card-title { font-size: 19px; }
  .scheme-fit { padding: 16px 18px; }
}

/* 대응 규격 (보유 안 한 표준) — 텍스트 칩 */
.cert-spec-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.cert-spec-chip {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 14px 18px;
  text-align: center;
  transition: all 0.3s;
}

.cert-spec-chip:hover {
  border-color: var(--c-red);
  background: var(--c-bg);
}

.cert-spec-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-head);
  font-family: var(--font-en);
  letter-spacing: 0.04em;
}

.cert-spec-desc {
  font-size: 11.5px;
  color: var(--c-gray);
  margin-top: 4px;
}

@media (max-width: 760px) {
  .cert-spec-row { grid-template-columns: 1fr; }
}

.cert-doc-card {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.3s;
}

.cert-doc-card:hover {
  border-color: var(--c-red);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--c-head) 8%, transparent);
}

.cert-doc-card-rel {
  border-style: dashed;
  opacity: 0.92;
}

.cert-doc-thumb {
  background: #fff;
  border: 1px solid var(--c-divider);
  border-radius: 3px;
  padding: 6px;
  margin-bottom: 12px;
  width: 100%;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cert-doc-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cert-doc-thumb-mark {
  background: var(--c-bg-soft);
}

.cert-doc-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-head);
  margin-bottom: 5px;
}

.cert-doc-desc {
  font-size: 11.5px;
  color: var(--c-gray);
  line-height: 1.4;
}

/* SOC + 랜드마크 */
.soc-landmark {
  background: linear-gradient(135deg, var(--c-bg) 0%, var(--c-bg-soft) 100%);
  border: 1px solid var(--c-divider);
  border-left: 4px solid var(--c-red);
  border-radius: 4px;
  padding: 28px 32px;
  margin-top: 28px;
}

.soc-landmark-head { margin-bottom: 22px; }

.soc-tag {
  display: inline-block;
  font-family: var(--font-en); font-size: 10.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.18em;
  margin-bottom: 10px; padding: 4px 12px;
  background: var(--c-red-lt); border-radius: 2px;
}

.soc-title {
  font-size: 22px; font-weight: 700;
  color: var(--c-head);
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.soc-sub {
  font-size: 14px; color: var(--c-gray); line-height: 1.6;
}

.soc-sub strong { color: var(--c-head); font-weight: 700; }

.soc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.soc-card {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 22px 20px;
  transition: all 0.3s;
  text-align: left;
}

.soc-card:hover {
  border-color: var(--c-red);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--c-head) 8%, transparent);
}

.soc-card-icon {
  width: 38px; height: 38px;
  border: 1px solid var(--c-divider);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gray);
  margin-bottom: 14px;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.soc-card:hover .soc-card-icon {
  color: var(--c-red);
  border-color: var(--c-red);
  background: var(--c-red-lt);
}

.soc-card-tag {
  font-family: var(--font-en); font-size: 9.5px; font-weight: 700;
  color: var(--c-red); letter-spacing: 0.12em;
  margin-bottom: 8px; text-transform: uppercase;
}

.soc-card-name {
  font-size: 17px; font-weight: 700;
  color: var(--c-head); margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.soc-card-desc {
  font-size: 12.5px; color: var(--c-text); line-height: 1.6;
}

.soc-foot {
  font-size: 13px;
  color: var(--c-text);
  line-height: 1.7;
  padding: 14px 18px;
  background: var(--c-bg);
  border-radius: 3px;
  border-left: 2px solid var(--c-red);
}

.soc-foot strong { color: var(--c-red); font-weight: 700; }

/* 반응형 */
@media (max-width: 1024px) {
  .cert-doc-grid, .soc-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-doc-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .cert-doc-grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .cert-doc-grid, .soc-grid, .cert-doc-grid-3 { grid-template-columns: 1fr; }
  .cert-doc-grid-5 { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   📱 MOBILE OPTIMIZATION PASS — 통합 반응형 (768 / 480)
   ============================================================ */

/* === 태블릿~큰 모바일 (≤ 768px) === */
@media (max-width: 768px) {
  /* 타이포 자연 스케일 */
  body { font-size: 15px; line-height: 1.65; }
  .hero-title { font-size: 38px; line-height: 1.2; }
  .hero-tagline { font-size: 16px; }
  .section-title { font-size: 26px; line-height: 1.25; }
  .section-sub { font-size: 14px; }
  .section-no { font-size: 11px; }

  /* 섹션 padding 조정 */
  .section { padding: 44px 22px 38px; gap: 0; }
  .section-head { margin-bottom: 24px; }

  /* Hero 메트릭 줄바꿈 + 사이즈 */
  .hero-metrics { gap: 14px; }
  .hero-tag { font-size: 11px; }

  /* 작동원리 — 5단계 토글 가로 스크롤 */
  .how-toggle-5 {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }
  .how-toggle-5::-webkit-scrollbar { display: none; }
  .how-toggle-5 .toggle-btn {
    flex-shrink: 0;
    padding: 9px 14px;
    font-size: 12px;
    min-height: 36px;
  }
  .play-btn { width: 100%; justify-content: center; min-height: 38px; }
  .how-controls { flex-direction: column; gap: 10px; align-items: stretch; }

  /* 시간축 타임라인 */
  .seq-timeline { padding: 14px 6px 8px; }
  .seq-marker { width: 24px; height: 24px; font-size: 11px; }
  .seq-name { font-size: 10.5px; }
  .seq-time { font-size: 9.5px; letter-spacing: 0; }
  .seq-track { top: 26px; left: 14%; right: 14%; }

  /* 부하 운전 배지 */
  .load-running-badge {
    font-size: 12px;
    padding: 10px 14px;
  }

  /* 작동원리 SVG — 가로 스크롤 허용 (squish 방지) */
  .how-stage { overflow-x: auto; padding: 12px; }
  .how-svg { min-width: 100%; }

  /* 모달 풀스크린 가까이 */
  .vf-modal-frame, .vf-modal-frame-light {
    width: 100%;
    max-width: 100%;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
    margin: 0;
  }
  .vf-modal-header, .vf-modal-header-light { padding: 14px 16px; }
  .vf-modal-title { font-size: 13px; line-height: 1.3; }
  .vf-modal-body, .vf-modal-body-light { padding: 14px 16px; }
  .vf-modal-meta, .vf-modal-meta-light { grid-template-columns: 1fr; gap: 6px; font-size: 12px; }
  .vf-modal-chart, .vf-modal-chart-light { padding: 10px 6px; overflow-x: auto; }
  .report-graph-svg { min-width: 600px; }
  .vf-modal-actions { flex-direction: column; gap: 8px; }
  .vf-export-btn { width: 100%; justify-content: center; min-height: 42px; }
  .vf-modal-finding, .vf-modal-finding-light { font-size: 12.5px; }

  /* 사이드바 모바일 — 햄버거 메뉴 누를 때 배경 어둡게 */
  .sidebar.open ~ .main::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(20, 18, 15, 0.45);
    z-index: 50;
  }

  /* 카드/그리드 spacing 조정 */
  .kw-grid, .hero-metrics, .how-metrics { gap: 10px; }

  /* 인증 카드 thumbnail 모바일에서 좀 더 작게 */
  .cert-doc-thumb { padding: 8px; }
  .cert-doc-thumb img { max-height: 90px; }

  /* SOC/적용사례 */
  .soc-card { padding: 12px 14px; font-size: 12.5px; }
  .mc-name { font-size: 13px; }
  .mc-name-em { font-size: 16px; }

}

/* === 작은 모바일 (≤ 480px) — iPhone SE 등 === */
@media (max-width: 480px) {
  .section { padding: 36px 16px 32px; }
  .hero-title { font-size: 32px; }
  .hero-tagline { font-size: 14.5px; }
  .section-title { font-size: 22px; }
  .section-sub { font-size: 13px; }

  /* 매트릭 숫자 단순화 */
  .hm-num { font-size: 24px; }
  .hm-label { font-size: 11.5px; }

  /* 인증 단일 컬럼 */
  .cert-doc-grid, .cert-doc-grid-3, .cert-doc-grid-4, .cert-doc-grid-5 {
    grid-template-columns: 1fr;
  }

  /* 대응 규격 칩 단일 컬럼 */
  .cert-spec-row { grid-template-columns: 1fr; gap: 8px; }
  .cert-spec-chip { padding: 11px 14px; }

  /* SOC/사례 카드 */
  .soc-grid { gap: 8px; }

  /* 작동원리 SVG 더 작게 (가로 스크롤 유지) */
  .how-svg { min-width: 580px; }

  /* 시간축 글자 매우 작게 */
  .seq-marker { width: 22px; height: 22px; font-size: 10px; }
  .seq-name { font-size: 9.5px; }
  .seq-time { font-size: 8.5px; }

  /* 모바일 토글 버튼 안전 영역 */
  .mobile-toggle { width: 44px; height: 44px; }

  /* nav 아이템 터치 타겟 */
  .nav-item { padding: 12px 22px; min-height: 44px; }
}

/* ============================================================
   ★ INDUSTRIES — 적용 산업 섹션 (v6.16)
   ============================================================ */
.section-industries {
  padding: 96px var(--pad-x);
  background: var(--c-bg);
}
.industries-inner { max-width: var(--max-w); margin: 0 auto; }
.industries-head { margin-bottom: 52px; }
.industries-title {
  font-size: 38px;
  font-weight: 700;
  color: var(--c-head);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.industries-sub {
  font-size: 16.5px;
  color: var(--c-sub);
  line-height: 1.65;
  max-width: 680px;
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.ind-card {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 5px;
  padding: 32px 30px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
  min-width: 0;
}
.ind-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--c-head) 8%, transparent);
  border-color: color-mix(in srgb, var(--c-red) 35%, var(--c-divider));
}
.ind-card:hover .ind-icon-wrap {
  background: var(--c-red-tint);
  border-color: color-mix(in srgb, var(--c-red) 30%, transparent);
  color: var(--c-red);
}
.ind-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.ind-card:hover::before { transform: scaleX(1); }
.ind-icon-wrap {
  width: 48px; height: 48px;
  border: 1.5px solid var(--c-divider);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-sub);
  margin-bottom: 22px;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
  flex-shrink: 0;
}
.ind-name {
  font-size: 17px; font-weight: 700;
  color: var(--c-head);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.ind-desc {
  font-size: 13.5px;
  color: var(--c-text);
  line-height: 1.7;
  margin-bottom: 18px;
}
.ind-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ind-tag {
  display: inline-block;
  font-family: var(--font-ko);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-accent);
  background: var(--c-accent-lt);
  padding: 3px 10px;
  border-radius: 2px;
}

/* ============================================================
   ★ CONTACT CTA — 문의 섹션 (v6.16)
   ============================================================ */
.section-contact-cta {
  padding: 96px var(--pad-x);
  background: linear-gradient(160deg, var(--c-bg) 0%, var(--c-bg-soft) 100%);
  border-top: 1px solid var(--c-divider);
}
.contact-cta-inner { max-width: var(--max-w); margin: 0 auto; }

.cta-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--c-divider);
  margin-bottom: 52px;
}
.cta-copy { max-width: 720px; min-width: 0; }
.cta-main-text {
  font-size: 40px;
  font-weight: 700;
  color: var(--c-head);
  line-height: 1.25;
  letter-spacing: -0.028em;
  margin-bottom: 18px;
}
.cta-main-text em { font-style: normal; color: var(--c-red); }
.cta-sub-text {
  font-size: 16px;
  color: var(--c-sub);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 560px;
}
.cta-trust-line {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-gray-lt);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cta-trust-line::before {
  content: '';
  display: block;
  width: 24px; height: 1.5px;
  background: var(--c-gray-lt);
  flex-shrink: 0;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
  min-width: 220px;
}
.btn-cta-primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 15px 28px;
  background: var(--c-red);
  color: #FDFCF9;
  border: 1.5px solid var(--c-red);
  border-radius: 3px;
  font-family: var(--font-ko);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  white-space: nowrap;
}
.btn-cta-primary:hover {
  background: var(--c-red-dk);
  border-color: var(--c-red-dk);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--c-red) 35%, transparent);
}
.btn-cta-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--c-red);
  border: 1.5px solid var(--c-red);
  border-radius: 3px;
  font-family: var(--font-ko);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.25s;
  white-space: nowrap;
}
.btn-cta-secondary:hover {
  background: var(--c-red-lt);
  transform: translateY(-1px);
}
.btn-cta-link {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 7px;
  padding: 10px 4px;
  background: transparent;
  color: var(--c-sub);
  border: none;
  font-family: var(--font-ko);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s, gap 0.2s;
}
.btn-cta-link:hover { color: var(--c-head); gap: 11px; }
.btn-cta-link svg { flex-shrink: 0; }

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-divider);
  border: 1px solid var(--c-divider);
  border-radius: 5px;
  overflow: hidden;
}
.contact-info-cell {
  background: var(--c-bg);
  padding: 28px 26px;
  transition: background 0.25s;
  min-width: 0;
}
.contact-info-cell:hover { background: var(--c-bg-soft); }
.ci-icon-wrap {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
}
.ci-icon { color: var(--c-red); flex-shrink: 0; }
.ci-label {
  font-family: var(--font-en);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--c-sub);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ci-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-head);
  line-height: 1.5;
  word-break: keep-all;
}
.ci-value a { color: inherit; text-decoration: none; transition: color 0.2s; }
.ci-value a:hover { color: var(--c-red); }
.ci-value-sub {
  font-size: 12px;
  color: var(--c-sub);
  margin-top: 4px;
  line-height: 1.4;
}

/* === 반응형 — industries / CTA === */
@media (max-width: 1024px) {
  .section-industries, .section-contact-cta { padding: 72px var(--pad-x); }
  .industries-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .industries-title { font-size: 30px; }
  .cta-hero { grid-template-columns: 1fr; gap: 32px; }
  .cta-main-text { font-size: 32px; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; min-width: auto; }
  .contact-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .section-industries, .section-contact-cta { padding: 56px var(--pad-x); }
  .industries-title, .cta-main-text { font-size: 26px; }
  .cta-actions { flex-direction: column; }
}
@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; gap: 10px; }
  .section-industries, .section-contact-cta { padding: 56px 16px; }
  .cta-main-text { font-size: 22px; }
  .industries-title { font-size: 24px; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .btn-cta-primary, .btn-cta-secondary { width: 100%; }
  .ind-card { padding: 26px 22px 22px; }
  .ind-name { font-size: 15px; }
}

/* === 반응형 안전 — 가로/세로 스크롤 보호 (v6.13) === */
html, body { overflow-x: hidden; max-width: 100vw; }
.section, .main { max-width: 100%; }
img, svg { max-width: 100%; }

/* Grid track 폭 폭주 방지: min-content 강제 → minmax(0, 1fr) */
.how-container,
.about-layout,
.need-row,
.viewer-layout,
.kw-grid,
.hero-metrics,
.how-metrics,
.cause-grid,
.products-photo-grid,
.news-grid,
.seq-timeline,
.ind-table,
.report-meta-grid,
.cert-marks-grid-4 {
  min-width: 0;
}
.how-container > *,
.about-layout > *,
.need-row > *,
.viewer-layout > *,
.kw-grid > *,
.hero-metrics > *,
.how-metrics > *,
.cause-grid > *,
.products-photo-grid > *,
.news-grid > *,
.seq-timeline > *,
.ind-table > *,
.report-meta-grid > *,
.cert-marks-grid-4 > * {
  min-width: 0;
  max-width: 100%;
}

/* SVG: 컨테이너 폭 절대 초과 금지 */
.how-svg,
.lightning-svg,
.loss-svg,
.sag-scatter,
.hero-waveform,
.tsp-frame > svg,
.storm-fx > svg,
.how-stage svg {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

/* product-img: object-fit contain 유지하면서 폭 초과 방지 */
.product-img,
.prod-photo img {
  max-width: 100%;
  width: 100%;
}

/* === 480px 이하 (소형 모바일: 360 / 375) === */
@media (max-width: 480px) {
  :root { --pad-x: 16px; }
  .section { padding: 40px 16px; }
  .hero-title { font-size: 36px; line-height: 1.18; }
  .section-title { font-size: 24px; }
  .section-sub { font-size: 13.5px; }

  /* how 섹션: SVG 컨테이너 강제 축소 + 가로 스크롤 차단 */
  .how-stage, .product-frame, .how-product, .how-inside, .how-info {
    max-width: 100%;
    overflow-x: hidden;
  }
  .product-img { height: 200px; }

  /* 5단계 시퀀스: 가로폭 부족하면 폰트만 축소 */
  .seq-marker { width: 20px; height: 20px; font-size: 9.5px; }
  .seq-name { font-size: 9.5px; }
  .seq-time { font-size: 9px; }

  /* 표·카드 패딩 압축 */
  .news-card, .cert-doc-card { padding: 12px 14px; }

  /* 사이드바 풀폭으로 (드로어가 280 → 화면 폭에 맞게) */
  .sidebar { width: 88vw; max-width: 320px; }
}

/* === 360px 초미세 폭 (옛 폰) === */
@media (max-width: 360px) {
  .section { padding: 36px 14px; }
  .hero-title { font-size: 32px; }
  .section-title { font-size: 22px; }
}

/* 터치 디바이스 최적화 */
@media (hover: none) and (pointer: coarse) {
  /* hover 효과는 active로 대체 */
  .toggle-btn:active { background: var(--c-head); color: var(--c-bg); }
  .cert-doc-card:active { transform: translateY(-2px); border-color: var(--c-red); }

  /* 마그네틱 효과 끔 (모바일에서 어색함) */
  [data-magnetic] { transform: none !important; }

  /* cursor-glow 끔 */
  .cursor-glow { display: none; }
}


}

/* ============================================================
   ★ NEED 보강 — 예방 가능 배너 + 부하 분류 합리화 (v6.31)
   ============================================================ */

/* 예방 가능 배너 */
.need-banner {
  margin: 28px 0 32px;
  padding: 24px 28px;
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-left: 3px solid var(--c-red);
  border-radius: 4px;
}
.need-banner-tag {
  font-family: var(--font-en);
  font-size: 10px; font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.22em;
  margin-bottom: 10px;
}
.need-banner-text {
  font-size: 19px;
  line-height: 1.55;
  color: var(--c-head);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  word-break: keep-all;
}
.need-banner-text strong {
  color: var(--c-red);
  font-weight: 700;
}
.need-banner-text .nb-strike {
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  text-decoration-color: rgba(168,162,158,0.6);
  color: var(--c-gray);
  font-weight: 400;
}
.need-banner-sub {
  font-size: 13px;
  color: var(--c-gray);
  font-weight: 500;
}
.need-banner-sub strong { color: var(--c-head); font-weight: 700; }

/* 임팩트 숫자 (v6.43) */
.need-impact-row {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px; background: var(--c-divider);
  border: 1px solid var(--c-divider); border-radius: 4px;
  overflow: hidden; margin-top: 22px;
}
.nir-item {
  background: var(--c-bg); padding: 16px 18px;
  transition: background 0.25s;
}
.nir-item:hover { background: var(--c-bg-soft); }
.nir-item-em { background: var(--c-red-lt); }
.nir-num {
  font-family: var(--font-en); font-size: 28px; font-weight: 800;
  color: var(--c-red); line-height: 1; letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.nir-num span { font-size: 13px; color: var(--c-head); font-weight: 600; margin-left: 4px; }
.nir-label { font-size: 12px; color: var(--c-text); line-height: 1.5; }

@media (max-width: 768px) {
  .need-impact-row { grid-template-columns: 1fr; }
  .nir-num { font-size: 24px; }
}

/* 부하 분류 매트릭스 */
.load-matrix {
  margin: 48px 0 8px;
  padding: 32px 0;
  border-top: 1px solid var(--c-divider);
}
.load-matrix-head {
  margin-bottom: 28px;
}
.load-matrix-eyebrow {
  font-family: var(--font-en);
  font-size: 10.5px; font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.22em;
  margin-bottom: 10px;
}
.load-matrix-title {
  font-size: 22px; font-weight: 600;
  color: var(--c-head);
  margin: 0 0 10px;
  letter-spacing: -0.018em;
}
.load-matrix-sub {
  font-size: 14px;
  color: var(--c-gray);
  line-height: 1.6;
  word-break: keep-all;
  max-width: 760px;
}
.load-matrix-sub strong { color: var(--c-head); font-weight: 600; }

/* 3분할 카드 */
.load-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.load-card {
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 5px;
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.load-card:hover {
  border-color: var(--c-gray-lt);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--c-head) 6%, transparent);
}
.load-card-tsp {
  background: linear-gradient(180deg, #FFFFFF 0%, #FBF9F4 100%);
  border-color: color-mix(in srgb, var(--c-red) 30%, var(--c-divider));
}
.load-card-tsp:hover {
  border-color: var(--c-red);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--c-red) 10%, transparent);
}
.load-card-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.load-card-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  border-radius: 2px;
  background: var(--c-bg-soft);
  color: var(--c-gray);
  border: 1px solid var(--c-divider);
}
.load-card-tag-em {
  background: var(--c-red);
  color: var(--c-bg);
  border-color: var(--c-red);
}
.load-card-class {
  font-size: 11px;
  color: var(--c-gray);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.load-card-title {
  font-size: 14.5px; font-weight: 700;
  color: var(--c-head);
  margin: 0 0 14px;
  line-height: 1.4;
  word-break: keep-all;
}
.load-card-feat {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.load-card-feat li {
  position: relative;
  padding: 4px 0 4px 14px;
  font-size: 12.5px;
  color: var(--c-text);
  line-height: 1.5;
  word-break: keep-all;
}
.load-card-feat li::before {
  content: "";
  position: absolute;
  left: 4px; top: 13px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--c-gray-lt);
}
.load-card-tsp .load-card-feat li::before { background: var(--c-red); }

.load-card-apply {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--c-divider);
}
.lc-apply-label {
  font-family: var(--font-en);
  font-size: 9.5px; font-weight: 700;
  color: var(--c-gray-lt);
  letter-spacing: 0.18em;
  margin-bottom: 6px;
}
.lc-apply-list {
  font-size: 12px;
  color: var(--c-text);
  line-height: 1.65;
  word-break: keep-all;
}
.load-card-tsp .lc-apply-list {
  color: var(--c-head);
  font-weight: 500;
}

/* 상호 보완 메시지 */
.load-matrix-note {
  margin-top: 18px;
  padding: 16px 22px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.lmn-icon {
  color: var(--c-red);
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}
.lmn-text {
  font-size: 13.5px;
  color: var(--c-text);
  line-height: 1.65;
  word-break: keep-all;
}
.lmn-text strong {
  color: var(--c-head);
  font-weight: 700;
}

/* 반응형 */
@media (max-width: 1024px) {
  .load-matrix-grid { grid-template-columns: 1fr; gap: 10px; }
  .need-banner-text { font-size: 17px; }
  .load-matrix-title { font-size: 20px; }
}
@media (max-width: 480px) {
  .need-banner { padding: 20px 18px; }
  .need-banner-text { font-size: 15.5px; }
  .load-card { padding: 18px 18px 16px; }
}

/* ============================================================
   ★ FAB 보상 매트릭스 (v6.33) — 텍스트 최소화, 미니멀 톤
   ============================================================ */
.fab-matrix {
  margin: 40px 0 8px;
  padding: 32px 0 0;
  border-top: 1px solid var(--c-divider);
}
.fab-matrix-head { margin-bottom: 22px; }
.fab-matrix-eyebrow {
  font-family: var(--font-en);
  font-size: 10.5px; font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.22em;
  margin-bottom: 8px;
}
.fab-matrix-title {
  font-size: 22px; font-weight: 600;
  color: var(--c-head);
  margin: 0;
  letter-spacing: -0.018em;
}

.fab-matrix-table {
  border: 1px solid var(--c-divider);
  border-radius: 5px;
  overflow: hidden;
  background: var(--c-bg);
}
.fm-row {
  display: grid;
  grid-template-columns: 140px 1.7fr 1fr 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--c-divider);
}
.fm-row:last-child { border-bottom: none; }

.fm-row-head {
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-divider);
}
.fm-cell {
  padding: 14px 16px;
  font-size: 12.5px;
  color: var(--c-text);
  border-right: 1px solid var(--c-divider);
  line-height: 1.55;
  word-break: keep-all;
}
.fm-cell:last-child { border-right: none; }

/* 행 라벨 (좌측 첫 컬럼) */
.fm-cell-rowlabel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--c-bg-soft);
  border-right: 1px solid var(--c-divider);
}
.fm-cell-rowlabel strong {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-head);
  display: block;
  margin-bottom: 2px;
}
.fm-cell-rowlabel span {
  font-family: var(--font-en);
  font-size: 9.5px;
  color: var(--c-gray-lt);
  letter-spacing: 0.06em;
}

/* 헤더 컬럼 태그 */
.fm-col-tag {
  font-family: var(--font-ko);
  font-size: 12px; font-weight: 700;
  color: var(--c-head);
  letter-spacing: -0.01em;
}
.fm-col-sub {
  font-size: 10.5px;
  color: var(--c-gray);
  margin-top: 2px;
  letter-spacing: 0.04em;
}
.fm-col-tsp .fm-col-tag { color: var(--c-red); }
.fm-col-tsp .fm-col-sub { color: var(--c-red); opacity: 0.7; }

/* TSP 컬럼 강조 */
.fm-cell-tsp {
  background: rgba(225,67,27,0.04);
  color: var(--c-head);
  font-weight: 500;
}
.fm-cell-dim { color: var(--c-gray-lt); text-align: center; }
.fm-note {
  font-size: 10.5px;
  color: var(--c-gray);
  margin-left: 4px;
}

.fab-matrix-foot {
  margin-top: 10px;
  text-align: right;
  font-family: var(--font-en);
  font-size: 10.5px;
  color: var(--c-gray-lt);
  letter-spacing: 0.04em;
}

@media (max-width: 1024px) {
  .fm-row { grid-template-columns: 110px 1.5fr 0.9fr 1fr; }
  .fm-cell { padding: 12px 12px; font-size: 11.5px; }
  .fm-cell-rowlabel strong { font-size: 12px; }
}
@media (max-width: 768px) {
  .fab-matrix-table { overflow-x: auto; }
  .fm-row { grid-template-columns: 100px 1.4fr 0.8fr 1fr; min-width: 640px; }
}

/* ============================================================
   ★ HOW V2 — 매우 단순 3박스 + EDLC 보상 (v6.23)
   ============================================================ */
.how-v2 {
  position: relative;
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--font-ko);
}

/* SVG stage */
.hv-stage {
  width: 100%;
  background: #FAF8F4;
}
.hv-stage svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 360px;
}

/* 하단 카피 + 토글 */
.hv-bottom {
  padding: 16px 22px 18px;
  background: var(--c-bg);
  border-top: 1px solid var(--c-divider);
}
.hv-copy {
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.6;
  margin: 0 0 12px;
  word-break: keep-all;
  min-height: 44px;
  transition: color 0.4s;
}
.hv-copy strong { color: var(--c-red); font-weight: 700; }

.hv-tabs {
  display: flex;
  gap: 0;
}
.hv-tab {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--c-divider);
  background: var(--c-bg);
  color: var(--c-gray);
  font-family: var(--font-ko);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.hv-tab + .hv-tab { border-left: none; }
.hv-tab:first-child { border-radius: 3px 0 0 3px; }
.hv-tab:last-child  { border-radius: 0 3px 3px 0; }
.hv-tab:hover { background: var(--c-bg-soft); color: var(--c-head); }
.hv-tab.active {
  background: var(--c-head);
  color: var(--c-bg);
  border-color: var(--c-head);
}

/* 화살표 동적 색상 (톤 다운) */
.hv-arrow-active line, .hv-arrow-active polyline {
  stroke: #5B7AA8 !important;
  stroke-width: 2 !important;
}
.hv-arrow-broken line, .hv-arrow-broken polyline {
  stroke: #B83C2C !important;
  stroke-dasharray: 4 3;
  opacity: 0.7;
}

/* 컨베이어 벨트 — 부드러운 무한 이동 (14px 패턴 단위) */
@keyframes hv-conv-belt-move {
  from { transform: translateX(0); }
  to   { transform: translateX(-14px); }
}
.hv-conv-belt {
  animation: hv-conv-belt-move 1.8s linear infinite;
}

/* 가공품 — 좌→우 (벨트 진행 방향과 일치) 천천히 */
@keyframes hv-conv-parts-move {
  from { transform: translateX(0); }
  to   { transform: translateX(45px); }
}
.hv-conv-parts {
  animation: hv-conv-parts-move 4s linear infinite;
}

/* 공장 창문 LED 깜빡임 (천천히, 자연스럽게) */
@keyframes hv-factory-led-blink {
  0%, 80%   { opacity: 1; }
  85%, 95%  { opacity: 0.3; }
  100%      { opacity: 1; }
}
.hv-factory-led {
  animation: hv-factory-led-blink 4s ease-in-out infinite;
}

/* TSP 사진 글로우 (보상 시) */
.hv-tsp-glow #hv-tsp-photo-glow {
  opacity: 1 !important;
  animation: hv-photo-glow 2s ease-in-out infinite;
}
@keyframes hv-photo-glow {
  0%, 100% { stroke: #5B7AA8; opacity: 1; }
  50%      { stroke: #7C95C0; opacity: 0.6; }
}

/* 낙뢰 깜빡임 */
@keyframes hv-bolt-flash {
  0%, 100% { opacity: 0.4; transform: scale(0.95); }
  50%      { opacity: 1; transform: scale(1.1); }
}
#hv-bolt.active {
  animation: hv-bolt-flash 0.6s ease-in-out infinite;
}

/* EDLC 흐름 펄스 */
@keyframes hv-flow-pulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}
.hv-flow-active {
  animation: hv-flow-pulse 0.9s ease-in-out infinite;
}

/* 반응형 */
@media (max-width: 768px) {
  .hv-tabs { flex-direction: column; }
  .hv-tab + .hv-tab { border-left: 1px solid var(--c-divider); border-top: none; }
  .hv-tab:first-child { border-radius: 3px 3px 0 0; }
  .hv-tab:last-child  { border-radius: 0 0 3px 3px; }
  .hv-copy { font-size: 13px; min-height: auto; }
}
@media (prefers-reduced-motion: reduce) {
  #hv-bolt.active, .hv-flow-active, .hv-conv-belt, .hv-conv-parts, .hv-factory-led {
    animation: none !important;
  }
}

/* === Presentation Mode ============================================= */
.present-toggle {
  position: fixed; top: 14px; right: 14px; z-index: 250;
  padding: 8px 14px;
  background: var(--c-head); color: var(--c-bg);
  border: 0; border-radius: 3px; cursor: pointer;
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.2s;
}
.present-toggle:hover { background: var(--c-red); transform: translateY(-1px); }
body.present-mode .present-toggle { background: var(--c-red); }

/* Present mode: hide normal scroll, position sections as overlapping panels */
body.present-mode { overflow: hidden; height: 100vh; }
body.present-mode .main {
  margin-left: 0;
  scroll-snap-type: none;
  overflow: hidden;
  height: 100vh;
  position: relative;
}
body.present-mode .progress-bar { display: none; }
body.present-mode .cursor-glow { display: none; }

body.present-mode .section {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw; height: 100vh;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  overflow-y: auto;
  overflow-x: hidden;
  transition: opacity 0.35s ease, visibility 0s linear 0.35s;
  z-index: 1;
}
body.present-mode .section.is-present {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition: opacity 0.35s ease, visibility 0s linear 0s;
  z-index: 5;
}

/* Force-reveal IntersectionObserver-driven elements.
   In present mode .section is position:fixed, so IO never fires
   and [data-reveal] children stay at opacity:0, transform:translateY(28px). */
body.present-mode [data-reveal],
body.present-mode [data-reveal-stagger],
body.present-mode [data-reveal-stagger] > *,
body.present-mode .is-reveal,
body.present-mode .reveal-up {
  opacity: 1 !important;
  transform: none !important;
}

/* Sidebar in present mode — hidden by default, shown by 'M' key toggle */
body.present-mode .sidebar {
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}
body.present-mode.present-show-sidebar .sidebar { transform: translateX(0); }

/* Present mode controls — bottom center pill */
.present-controls {
  display: none;
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 240;
  gap: 4px; align-items: center;
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 999px;
  padding: 4px 6px 4px 6px;
  font-family: var(--font-en);
  box-shadow: 0 6px 20px rgba(0,0,0,0.10);
}
body.present-mode .present-controls { display: inline-flex; }
.present-controls button {
  background: transparent; border: 0; cursor: pointer;
  padding: 8px 14px;
  font-size: 14px; font-weight: 600;
  color: var(--c-head);
  border-radius: 999px;
  transition: all 0.15s;
  min-width: 36px;
}
.present-controls button:hover {
  background: color-mix(in srgb, var(--c-red) 8%, transparent);
  color: var(--c-red);
}
.present-controls .pc-count {
  font-size: 12px; font-weight: 700;
  color: var(--c-red);
  padding: 0 12px;
  min-width: 60px; text-align: center;
  letter-spacing: 0.05em;
}
.present-controls .pc-exit { color: var(--c-gray); font-size: 13px; }

/* Mobile: hide present mode UI entirely (present is for desktop demos).
   Mobile users see normal scroll + hamburger + language toggle. */
@media (max-width: 768px) {
  .present-toggle { display: none; }
  body.present-mode .present-toggle,
  body.present-mode .present-controls { display: none; }
  body.present-mode .lang-toggle-mobile { display: none; }
  body.present-mode .mobile-toggle { display: none; }
}

/* ===== 순간정전 손실 계산기 (리드마그넷, 260628) ===== */
.sag-calc{margin:44px auto 0;max-width:780px;background:linear-gradient(135deg,#FDFCF9,#F6F0E9);border:1px solid #E7E0D8;border-radius:18px;padding:34px 38px;box-shadow:0 4px 24px rgba(193,56,22,.07)}
.sag-calc-title{font-size:23px;font-weight:700;color:#44403C;margin:0 0 6px;letter-spacing:-.01em}
.sag-calc-sub{font-size:15px;color:#57534E;margin:0 0 24px}
.sag-calc-inputs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:18px}
.sag-calc-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#57534E;font-weight:600}
.sag-calc-field input{padding:12px 14px;border:1px solid #E7E0D8;border-radius:10px;font-size:16px;background:#fff;color:#44403C;width:100%}
.sag-calc-field input:focus{outline:none;border-color:#C13816}
.sag-calc-btn{background:#C13816;color:#fff;border:0;border-radius:10px;padding:13px 30px;font-size:15px;font-weight:700;cursor:pointer;transition:background .15s}
.sag-calc-btn:hover{background:#A52F12}
.sag-calc-result{margin-top:24px;padding-top:24px;border-top:1px solid #E7E0D8;text-align:center}
.sag-calc-result-label{font-size:14px;color:#8a8278}
.sag-calc-result-value{font-size:42px;font-weight:800;color:#C13816;line-height:1.15;margin:6px 0;font-family:'Barlow Condensed','Inter',sans-serif}
.sag-calc-note{font-size:14px;color:#57534E;margin:10px 0 16px;line-height:1.5}
.sag-calc-cta{display:inline-block;color:#C13816;font-weight:700;font-size:15px;text-decoration:none}
.sag-calc-cta:hover{text-decoration:underline}
@media(max-width:640px){.sag-calc{padding:24px 20px;margin-top:32px}.sag-calc-inputs{grid-template-columns:1fr}.sag-calc-result-value{font-size:34px}}

/* ===== 볼타 2026 최신 현장검증 콜아웃 (260628) ===== */
.volta-verify{margin:28px auto 0;max-width:880px;background:#fff;border:1px solid #E7E0D8;border-left:4px solid #C13816;border-radius:14px;padding:24px 30px;box-shadow:0 3px 18px rgba(193,56,22,.06)}
.volta-verify-tag{display:inline-block;background:#C13816;color:#fff;font-size:12px;font-weight:700;padding:4px 11px;border-radius:20px;letter-spacing:.02em}
.volta-verify-cust{font-size:19px;font-weight:700;color:#44403C;margin:12px 0 16px}
.volta-verify-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;border-top:1px solid #EFE9E2;border-bottom:1px solid #EFE9E2;padding:16px 0}
.vv-stat{display:flex;flex-direction:column;gap:5px}
.vv-k{font-size:12px;color:#8a8278;font-weight:600}
.vv-v{font-size:15px;color:#44403C;font-weight:700;line-height:1.35}
.vv-v.vv-pass{color:#2E7D32}
.volta-verify-note{font-size:14px;color:#57534E;margin:14px 0 0;line-height:1.55}
@media(max-width:640px){.volta-verify{padding:20px 18px}.volta-verify-stats{grid-template-columns:1fr;gap:12px}}

/* ── 원인 분해 %바 (VER5.5 IEEE/EPRI 통계, 260809) ── */
.cause-body { flex: 1; min-width: 0; }
.cause-bar { height: 4px; background: var(--c-bg-soft); border: 1px solid var(--c-divider); border-radius: 2px; margin-top: 7px; overflow: hidden; }
.cause-bar i { display: block; height: 100%; background: var(--c-red); border-radius: 2px; }
.cause-pct { font-family: var(--font-en); font-weight: 700; font-size: 15px; color: var(--c-red); flex-shrink: 0; }
.cause-card-wide { grid-column: 1 / -1; }
.block-p-src { font-size: 12px; color: var(--c-gray-lt); font-weight: 400; }