/* ============================================================
   BH SEMICON — Design System
   Brand: BH Orange #F07818 / Deep Graphite #0C1118
   ============================================================ */

:root {
  --orange: #f07818;
  --orange-bright: #ff8f2e;
  --orange-deep: #d95f00;
  --heat-red: #ff4d2e;
  --amber: #ffb054;

  --ink-950: #0c1118;
  --ink-900: #111827;
  --ink-800: #1c2534;
  --ink-700: #2b3546;
  --ink-500: #5b6676;
  --ink-400: #8b95a5;
  --ink-300: #b6bec9;

  --paper: #ffffff;
  --paper-warm: #f7f8fa;
  --line: #e6e9ee;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(12, 17, 24, 0.07), 0 4px 14px rgba(12, 17, 24, 0.05);
  --shadow-md: 0 4px 10px rgba(12, 17, 24, 0.08), 0 16px 40px rgba(12, 17, 24, 0.1);
  --shadow-glow: 0 0 40px rgba(240, 120, 24, 0.35);

  --container: 1180px;
  --header-h: 74px;

  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo",
    "Noto Sans KR", "Malgun Gothic", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }

body {
  font-family: var(--font);
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
}
.section-lead {
  font-size: clamp(15px, 1.6vw, 17.5px);
  color: var(--ink-500);
  max-width: 640px;
}

.section { padding: clamp(72px, 9vw, 120px) 0; }
.section.tint { background: var(--paper-warm); }
.section.dark { background: var(--ink-950); color: #eef1f5; }
.section.dark .section-lead { color: var(--ink-400); }

.section-head { margin-bottom: clamp(36px, 5vw, 56px); }
.section-head.center { text-align: center; }
.section-head.center .section-lead { margin: 0 auto; }
.section-head.split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 700;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn svg { transition: transform 0.25s ease; }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--orange-bright), var(--orange-deep));
  color: #fff;
  box-shadow: 0 6px 20px rgba(240, 120, 24, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(240, 120, 24, 0.45); }

.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.btn-outline {
  border: 1.5px solid var(--ink-300);
  color: var(--ink-900);
}
.btn-outline:hover { border-color: var(--orange); color: var(--orange); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: 15px;
  color: var(--orange);
}
.text-link svg { transition: transform 0.25s ease; }
.text-link:hover svg { transform: translateX(4px); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.header.scrolled { border-bottom-color: var(--line); }

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo img { height: 54px; width: auto; }

.gnb { display: flex; align-items: center; gap: 6px; }
.gnb > li { position: relative; }
.gnb > li > a {
  display: block;
  padding: 10px 18px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink-800);
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
}
.gnb > li > a:hover,
.gnb > li > a.active { color: var(--orange); }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translate(-50%, 8px);
  min-width: 190px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.22s ease;
}
.gnb > li:hover .dropdown,
.gnb > li:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.dropdown a {
  display: block;
  padding: 9px 14px;
  border-radius: 9px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-700);
}
.dropdown a:hover { background: #fff4ea; color: var(--orange); }

.header-cta { display: inline-flex; align-items: center; gap: 16px; }
.header-cta .btn { padding: 11px 22px; font-size: 14.5px; }

/* 언어 전환 (KOR | ENG) — PC는 견적 버튼 옆, 모바일은 메뉴 버튼 옆 */
.lang-switch { display: flex; align-items: center; font-size: 13px; font-weight: 700; letter-spacing: 0.04em; }
.lang-switch a { color: var(--ink-400); padding: 4px 2px; }
.lang-switch a + a::before { content: "|"; color: var(--line); margin: 0 8px; font-weight: 400; }
.lang-switch a:hover { color: var(--orange); }
.lang-switch a.on { color: var(--ink-900); }
.lang-mobile {
  display: none;
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  padding: 12px 24px 24px;
  display: none;
}
.mobile-nav.open { display: block; }
.mobile-nav .group { border-bottom: 1px solid var(--line); padding: 10px 0; }
.mobile-nav .group:last-child { border-bottom: none; }
.mobile-nav .group-title { font-weight: 800; font-size: 16px; padding: 8px 0; }
.mobile-nav .group a {
  display: block;
  padding: 8px 0 8px 14px;
  font-size: 15px;
  color: var(--ink-500);
}
.mobile-nav .group a:active { color: var(--orange); }

/* ---------- Hero (메인 동영상) ---------- */
.hero {
  position: relative;
  background: var(--ink-950);
  color: #fff;
  padding-top: var(--header-h);
}
/* 첫 화면을 영상으로 채운다. 영상 왼쪽 약 40% 폭에 카피가 들어 있어
   세로로 긴 화면에서는 높이를 화면 폭 이하로 제한해 카피가 잘리지 않게 한다 */
.hero-video {
  position: relative;
  height: calc(100vh - var(--header-h));
  height: min(calc(100vh - var(--header-h)), 100vw);
  height: min(calc(100svh - var(--header-h)), 100vw);
  min-height: 300px;
  overflow: hidden;
  background: #0c1118 url(../video/homepage_hero_poster.jpg) left center / cover no-repeat;
}
html[lang="en"] .hero-video { background-image: url(../video/homepage_hero_en_poster.jpg?v=en-20261011); }
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;   /* 넘치는 부분은 오른쪽만 잘림 */
}
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 12px;
  display: flex;
  padding: 8px;
  color: rgba(255, 255, 255, 0.8);
  transform: translateX(-50%);
  animation: hero-bob 2.2s ease-in-out infinite;
}
.hero-scroll:hover { color: #fff; }
@keyframes hero-bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 6px); }
}
.hero-play {
  position: absolute;
  right: 20px;
  bottom: 16px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  background: rgba(12, 17, 24, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
  transition: background 0.2s ease;
}
.hero-play:hover { background: rgba(12, 17, 24, 0.7); }
.hero-play .i-play, .hero-play.paused .i-pause { display: none; }
.hero-play.paused .i-play { display: block; }


/* 대문자 변환 라벨 안의 그리스 문자(σ → Σ 방지) */
.nocase { text-transform: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.8); }
}

/* Heater glow animations */
.zone-glow { animation: heat-breathe 3.6s ease-in-out infinite; transform-origin: center; }
.zone-glow.z2 { animation-delay: 0.6s; }
.zone-glow.z3 { animation-delay: 1.2s; }
@keyframes heat-breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* ---------- Cards / grids ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(240, 120, 24, 0.4);
}
.product-card .thumb {
  background: radial-gradient(420px 260px at 50% 0%, #212b3d 0%, var(--ink-950) 80%);
  padding: 30px 30px 24px;
  display: flex;
  justify-content: center;
}
.product-card .thumb svg { width: 100%; max-width: 190px; height: auto; }
/* 실제 제품 사진(흰 배경 스튜디오 컷) — 사진 배경과 같은 흰색 영역에 같은 높이로 맞춤 */
.product-card .thumb.photo {
  position: relative;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0;
  aspect-ratio: 5 / 4;
}
.product-card .thumb.photo img {
  position: absolute;
  inset: 16px 14px;
  width: calc(100% - 28px);
  height: calc(100% - 32px);
  object-fit: contain;
  transition: transform 0.4s ease;
}
.product-card:hover .thumb.photo img { transform: scale(1.04); }
/* 히터 4종 아래 전체 폭으로 놓이는 Printed Electronics 제품군 카드 */
.product-card.wide { grid-column: 1 / -1; flex-direction: row; }
.product-card.wide .thumb { flex: 0 0 34%; align-items: center; }
.product-card.wide .body { justify-content: center; padding: 30px 40px; }
.product-card.wide .body p { flex: none; max-width: 560px; }
@media (max-width: 680px) {
  .product-card.wide { flex-direction: column; }
  .product-card.wide .body { padding: 24px 26px 28px; }
}
.product-card .body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.product-card .tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.product-card h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 8px; }
.product-card p { font-size: 14.5px; color: var(--ink-500); flex: 1; margin-bottom: 18px; }
.product-card .text-link { font-size: 14px; }

/* Feature cards */
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.feature-card .icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fff2e3, #ffe3c4);
  color: var(--orange-deep);
  margin-bottom: 20px;
}
.feature-card .icon svg { width: 27px; height: 27px; }
.feature-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.01em; }
.feature-card p { font-size: 14.5px; color: var(--ink-500); }

.section.dark .feature-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.09);
}
.section.dark .feature-card h3 { color: #fff; }
.section.dark .feature-card p { color: var(--ink-400); }
.section.dark .feature-card .icon {
  background: rgba(240, 120, 24, 0.14);
  color: var(--orange-bright);
}

/* ---------- Process strip ---------- */
.process-strip {
  display: grid;
  grid-template-columns: repeat(11, minmax(150px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
}
.process-step {
  scroll-snap-align: start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.process-step:hover { border-color: rgba(240, 120, 24, 0.55); transform: translateY(-4px); }
.process-step img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; }
.process-step .cap {
  padding: 12px 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: #dde3ea;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.process-step .cap .num { color: var(--orange-bright); font-weight: 800; font-size: 12px; }

/* Bigger process grid (technology page) */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-grid .process-step { background: #fff; border-color: var(--line); }
.process-grid .process-step .cap { color: var(--ink-800); }

/* ---------- Spec tables ---------- */
.spec-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
table.spec { width: 100%; border-collapse: collapse; min-width: 520px; background: #fff; }
table.spec th, table.spec td {
  padding: 14px 18px;
  text-align: center;
  font-size: 14.5px;
  border-bottom: 1px solid var(--line);
}
table.spec thead th {
  background: var(--ink-950);
  color: #fff;
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.03em;
}
table.spec tbody th {
  background: var(--paper-warm);
  font-weight: 700;
  color: var(--ink-800);
}
table.spec tbody tr:last-child th,
table.spec tbody tr:last-child td { border-bottom: none; }
table.spec td b { color: var(--orange-deep); }

/* ---------- Product detail blocks ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
/* 스펙 표(min-width 520px)가 열을 밀어내지 않고 .spec-wrap 안에서 가로 스크롤되도록 */
.product-detail > * { min-width: 0; }
.product-detail.flip .p-visual { order: 2; }
.p-visual {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: radial-gradient(480px 320px at 50% 20%, #212b3d 0%, var(--ink-950) 85%);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.p-visual svg { width: min(100%, 340px); height: auto; }
.p-visual .photo {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.p-visual .photo img { width: 100%; object-fit: cover; }
.p-visual .caption { font-size: 12.5px; color: var(--ink-400); }

.p-info h3 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; letter-spacing: -0.02em; margin: 10px 0 14px; }
.p-info > p { color: var(--ink-500); font-size: 15.5px; margin-bottom: 26px; max-width: 560px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.chip {
  padding: 7px 14px;
  border-radius: 999px;
  background: #fff4ea;
  border: 1px solid #ffd9b0;
  color: var(--orange-deep);
  font-size: 13px;
  font-weight: 700;
}

.p-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; margin-bottom: 30px; }
.p-features li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--ink-700);
}
.p-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--orange);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 11.2 3.3 8l-1 1 4.2 4.2 7.2-7.2-1-1z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.spec-note { font-size: 13px; color: var(--ink-400); margin-top: 12px; }

/* Zone design diagrams */
.zone-diagrams {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.zone-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  text-align: center;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.zone-card:hover { border-color: rgba(240, 120, 24, 0.5); transform: translateY(-4px); }
.zone-card svg { width: min(100%, 210px); height: auto; margin: 0 auto 20px; }
.zone-card h3 { font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.zone-card p { font-size: 14px; color: var(--ink-400); }

/* ---------- Timeline (history) ---------- */
.timeline { position: relative; max-width: 780px; margin: 0 auto; }
.timeline::before {
  content: "";
  position: absolute;
  left: 89px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--orange) 0%, var(--line) 100%);
}
.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 42px;
  padding: 0 0 38px;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline .year {
  font-size: 18px;
  font-weight: 800;
  color: var(--orange-deep);
  text-align: right;
  letter-spacing: -0.01em;
  padding-top: 1px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: 83.5px;
  top: 7px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--orange);
  box-shadow: 0 0 0 4px #fff;
}
.timeline h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.timeline p { font-size: 14.5px; color: var(--ink-500); }

/* ---------- CEO greeting (제품 이미지 배경 + 다크 오버레이) ---------- */
.greeting-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-950) url(../img/company/ceo_bg.jpg) right center / cover no-repeat;
  padding: clamp(32px, 5vw, 64px);
  color: #fff;
}
/* 글이 놓이는 왼쪽은 진하게, 제품(웨이퍼·세라믹 히터)이 있는 오른쪽은 비치게.
   ceo_bg.jpg 는 원본에서 원판 히터의 일그러진 오른쪽 끝(원본 프레임에서 잘린 부분)을 빼고 원판 중앙부에서 잘라낸 것 —
   카드 오른쪽 끝이 원판의 가장 넓은 곳을 지나 '프레임 밖으로 이어지는 원판'으로 보이게 한다. */
.greeting-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 13, 22, 0.95) 0%, rgba(8, 13, 22, 0.9) 48%,
    rgba(8, 13, 22, 0.55) 72%, rgba(8, 13, 22, 0.3) 100%);
}
.greeting-body { position: relative; max-width: 640px; }
.greeting-body .quote-mark {
  font-size: 72px;
  font-weight: 800;
  line-height: 0.8;
  height: 40px;
  color: var(--orange-bright);
  font-family: Georgia, serif;
}
.greeting-body .headline {
  font-size: clamp(23px, 2.8vw, 30px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
  color: #fff;
}
.greeting-body .headline em { font-style: normal; color: var(--orange-bright); }
.greeting-body p { color: rgba(238, 241, 245, 0.86); font-size: 15.5px; margin-bottom: 18px; }
.greeting-body p b { color: #fff; }
.greeting-sign { margin-top: 30px; display: flex; align-items: baseline; gap: 12px; }
.greeting-sign .co { font-size: 14px; color: var(--ink-300); }
.greeting-sign .name { font-size: 20px; font-weight: 800; color: #fff; }

/* ---------- Value cards (경영방침) ---------- */
.value-card {
  text-align: center;
  padding: 38px 26px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
}
.value-card .num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 12px;
}
.value-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.value-card p { font-size: 14.5px; color: var(--ink-500); }

/* ---------- Affiliates ---------- */
.affiliate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.affiliate-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.affiliate-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(240, 120, 24, 0.4);
}
.affiliate-card .logo-box {
  height: 52px;
  display: flex;
  align-items: center;
}
.affiliate-card .logo-box img { max-height: 40px; width: auto; }
.affiliate-card .logo-box .text-logo { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; color: var(--ink-800); }
.affiliate-card h3 { font-size: 17px; font-weight: 800; }
.affiliate-card p { font-size: 14px; color: var(--ink-500); flex: 1; }
.affiliate-card .text-link { font-size: 13.5px; }

/* ---------- Sites (사업장) ---------- */
.site-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
}
.site-card .label {
  display: inline-block;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--ink-950);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 16px;
}
.site-card.hq .label { background: linear-gradient(135deg, var(--orange-bright), var(--orange-deep)); }
.site-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.site-card p { font-size: 14.5px; color: var(--ink-500); }
.site-card .addr { margin-bottom: 14px; }
.site-card .meta { display: flex; flex-direction: column; gap: 5px; font-size: 14px; }
.site-card .meta span b { color: var(--ink-800); font-weight: 700; margin-right: 8px; }

/* ---------- Cert cards ---------- */
.cert-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.cert-card .icon {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: linear-gradient(135deg, #fff2e3, #ffe3c4);
  color: var(--orange-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-card .icon svg { width: 24px; height: 24px; }
.cert-card h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 5px; }
.cert-card p { font-size: 13.8px; color: var(--ink-500); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background:
    radial-gradient(800px 400px at 20% 100%, rgba(240, 120, 24, 0.22) 0%, transparent 60%),
    var(--ink-950);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(44px, 6vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  overflow: hidden;
}
.cta-band h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.cta-band p { color: var(--ink-400); font-size: 15.5px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.contact-item .icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fff2e3, #ffe3c4);
  color: var(--orange-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item .icon svg { width: 21px; height: 21px; }
.contact-item h3 { font-size: 14px; font-weight: 700; color: var(--ink-400); margin-bottom: 3px; }
.contact-item p { font-size: 16px; font-weight: 700; }
.contact-item p a:hover { color: var(--orange); }

/* 문의 양식: 스팸 방지 숨은 칸 · 개인정보 동의 · 접수 결과 */
/* 입력칸 기본 폭 때문에 좁은 화면에서 양식이 화면 밖으로 밀리지 않게 (마크업은 인라인 스타일이라 선택자로 보정) */
#inquiry form { grid-template-columns: minmax(0, 1fr); }
#inquiry form input:not([type=checkbox]), #inquiry form select, #inquiry form textarea { width: 100%; min-width: 0; }
@media (max-width: 680px) {
  #inquiry form > div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
}
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.agree-field { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-500); line-height: 1.55; cursor: pointer; }
.agree-field input { width: 18px; height: 18px; margin-top: 1px; flex: none; accent-color: var(--orange); }
.agree-field b { color: var(--ink-900); margin-right: 4px; }
.inquiry-status { margin: 16px auto 0; max-width: 560px; padding: 12px 16px; border-radius: 12px; font-size: 14px; line-height: 1.6; text-align: left; }
.inquiry-status.busy { background: #f1f3f6; color: var(--ink-500); }
.inquiry-status.ok { background: #e7f7ed; color: #1e7d3c; }
.inquiry-status.err { background: #fdecea; color: #b3261e; }
.inquiry-status a { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10.5;
  background: var(--paper-warm);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink-950);
  color: var(--ink-400);
  padding: 60px 0 34px;
  font-size: 14px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand img { height: 30px; margin-bottom: 18px; }
.footer-brand p { max-width: 340px; line-height: 1.8; }
.footer-cols { display: flex; gap: clamp(32px, 5vw, 72px); flex-wrap: wrap; }
.footer-col h3 { color: #fff; font-size: 14.5px; font-weight: 700; margin-bottom: 14px; }
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a:hover { color: var(--orange-bright); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 26px;
  font-size: 13px;
  color: var(--ink-500);
}

/* ---------- Page hero (sub pages) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(64px, 9vw, 110px)) 0 clamp(56px, 7vw, 90px);
  background:
    radial-gradient(900px 480px at 82% 30%, rgba(240, 120, 24, 0.14) 0%, transparent 60%),
    radial-gradient(1000px 600px at 15% 90%, #1a2233 0%, transparent 70%),
    var(--ink-950);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 90% at 60% 30%, #000 20%, transparent 75%);
}
.page-hero .container { position: relative; }
.page-hero .crumb { font-size: 13.5px; color: var(--ink-400); margin-bottom: 16px; }
.page-hero .crumb b { color: var(--amber); font-weight: 600; }
.page-hero h1 {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.page-hero p { color: var(--ink-300); font-size: clamp(15px, 1.7vw, 17.5px); max-width: 620px; }

/* Sub-nav (in-page anchors) */
.subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 60;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.subnav .container { display: flex; gap: 4px; overflow-x: auto; }
.subnav a {
  padding: 15px 16px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-500);
  white-space: nowrap;
  border-bottom: 2.5px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.subnav a:hover, .subnav a.active { color: var(--orange-deep); border-bottom-color: var(--orange); }

/* ---------- 3D Showcase ---------- */
.stage3d {
  position: relative;
  height: min(78vh, 720px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: radial-gradient(900px 520px at 50% 32%, #202a3b 0%, #0a0e15 72%);
}
.stage3d canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
  cursor: grab;
}
.stage3d canvas:active { cursor: grabbing; }

.stage3d .hud-temp {
  position: absolute;
  top: 18px;
  right: 20px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(12, 17, 24, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #cfd6de;
  pointer-events: none;
  transition: color 0.4s ease, border-color 0.4s ease;
}
.stage3d .hud-temp::before {
  content: "SURFACE TEMP  ";
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-400);
}
.stage3d .hud-temp.hot { color: var(--orange-bright); border-color: rgba(240, 120, 24, 0.55); }

.stage3d .hud-hint {
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-size: 12.5px;
  color: var(--ink-400);
  pointer-events: none;
}
.stage3d .hud-actions {
  position: absolute;
  bottom: 18px;
  left: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hud-btn {
  padding: 11px 20px;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  background: rgba(12, 17, 24, 0.55);
  backdrop-filter: blur(6px);
  transition: all 0.25s ease;
}
.hud-btn:hover { border-color: #fff; }
.hud-btn.on {
  background: linear-gradient(135deg, var(--orange-bright), var(--orange-deep));
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(240, 120, 24, 0.4);
}
.p3d-label {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(12, 17, 24, 0.82);
  border: 1px solid rgba(240, 120, 24, 0.55);
  color: #ffd9b0;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.p3d-label.show { opacity: 1; }
.stage3d-note {
  margin-top: 14px;
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-500);
}

.stage3d.compact {
  height: 460px;
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 12px;
}
.stage3d.compact .p3d-label {
  font-size: 11.5px;
  padding: 4px 10px;
}

@media (max-width: 680px) {
  .stage3d { height: 62vh; }
  .stage3d.compact { height: 380px; }
  .stage3d .hud-hint { display: none; }
}

/* ---------- Surface vs wire heating comparison ---------- */
.heat-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 26px; }
.heat-panel {
  margin: 0;
  background: radial-gradient(360px 200px at 50% 0%, #1c2534 0%, #0c1118 80%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 14px;
  padding: 14px 14px 12px;
  color: #fff;
}
.heat-panel figcaption { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.heat-panel figcaption b { font-size: 14px; color: #ffd9b0; }
.heat-panel.dim figcaption b { color: #c8ced6; }
.heat-panel figcaption span { font-size: 11.5px; color: var(--ink-400); }
.heat-panel svg { width: 100%; height: auto; display: block; }
.rise-wrap { margin-top: 8px; font-size: 11.5px; color: var(--ink-400); }
.rise-head { display: flex; justify-content: space-between; align-items: center; }
.rise-done { font-weight: 700; color: #5ee38a; opacity: 0; transition: opacity 0.3s ease; }
.heat-panel.done .rise-done { opacity: 1; }
.rise { height: 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); overflow: hidden; margin-top: 5px; }
.rise span {
  display: block; width: 0; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, #ffb054, #ff6a12);
}
.rise.slow span { background: linear-gradient(90deg, #aab3c0, #6b7684); }
@media (max-width: 680px) { .heat-compare { grid-template-columns: 1fr; } }

/* ESS: 전체 폭 카드 — 혹한기 과제 이미지 + Ag 패턴형 / CNT 면상발열형 */
.app-card.app-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; }
.app-card.app-wide .app-img { aspect-ratio: auto; min-height: 100%; }
.ess-types { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 8px; }
.ess-type img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); margin-bottom: 8px; }
.ess-type b { display: block; font-size: 14px; font-weight: 800; color: var(--orange-deep); }
.ess-type span { display: block; font-size: 12.5px; color: var(--ink-500); }
@media (max-width: 900px) { .app-card.app-wide { grid-template-columns: 1fr; } }

/* ---------- Film Heater thermal view (전원 ON → 면 전체 발열, js/thermal.js) ---------- */
/* 제품 섹션 상단 다크 강조 밴드 — Film Heater 열화상 / Printed Electronics 100µm 라인 공용 */
.thermal-show, .fineline {
  display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 40px; align-items: center;
  background: radial-gradient(760px 440px at 68% 45%, #1c2534 0%, var(--ink-950) 78%);
  border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 52px); margin-bottom: 64px;
  color: #fff; overflow: hidden;
}
.fineline { grid-template-columns: 1fr 1fr; }
.thermal-cap, .fineline-cap { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange); }
.thermal-body h3, .fineline-body h3 { font-size: clamp(24px, 2.8vw, 32px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.3; margin: 10px 0 16px; }
.thermal-body h3 em { font-style: normal; color: #fde050; text-shadow: 0 0 24px rgba(253, 224, 80, 0); transition: text-shadow 1.2s ease; }
.thermal-show.is-on .thermal-body h3 em { text-shadow: 0 0 24px rgba(253, 224, 80, 0.45); }
.thermal-body > p, .fineline-body > p { font-size: 15px; color: var(--ink-400); }
.thermal-points, .fineline-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 24px; }
.thermal-points li, .fineline-points li {
  font-size: 13px; font-weight: 600; color: #ffd9b0; padding: 6px 12px; border-radius: 999px;
  background: rgba(240, 120, 24, 0.1); border: 1px solid rgba(240, 120, 24, 0.35);
}
.thermal-power {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font: inherit;
  font-size: 14px; font-weight: 700; color: #eef1f5; padding: 11px 20px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.18);
  transition: border-color 0.3s ease, background 0.3s ease;
}
.thermal-power:hover { border-color: rgba(240, 120, 24, 0.6); }
.thermal-power .led { width: 9px; height: 9px; border-radius: 50%; background: #5b6676; transition: background 0.3s ease, box-shadow 0.3s ease; }
.thermal-show.is-on .thermal-power { background: rgba(240, 120, 24, 0.14); border-color: rgba(240, 120, 24, 0.6); }
.thermal-show.is-on .thermal-power .led { background: var(--orange-bright); box-shadow: 0 0 10px var(--orange-bright); }
.thermal-body .thermal-note { font-size: 12px; color: var(--ink-500); margin-top: 16px; }

.thermal-stage { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px 14px; }
.thermal-svg { width: 100%; height: auto; display: block; cursor: pointer; overflow: visible; }
.thermal-scale { display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 11.5px; }
.thermal-scale b { font-weight: 700; color: var(--ink-400); }
.thermal-scale b:first-child { color: #fde050; }
.thermal-scale .bar {
  position: relative; width: 14px; height: 200px; border-radius: 4px;
  background: linear-gradient(to top, #0b0b3b 0%, #241676 14%, #561a8f 30%, #9c1f8a 45%, #d4335c 58%,
    #f2662a 70%, #fca22a 82%, #fde050 92%, #fffbe6 100%);
}
.thermal-scale .bar i {
  position: absolute; left: -16px; bottom: 0; width: 0; height: 0; margin-bottom: -7px;
  border-top: 7px solid transparent; border-bottom: 7px solid transparent; border-left: 11px solid var(--orange-bright);
}
.thermal-status {
  grid-column: 1 / -1; justify-self: center; font-size: 13px; font-weight: 600; color: var(--ink-300);
  padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.09);
}
.thermal-show.is-on .thermal-status { color: #ffd9b0; }
@media (max-width: 900px) {
  .thermal-show, .fineline { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 680px) {
  .thermal-show, .fineline { margin-bottom: 44px; }
  .thermal-scale .bar { height: 130px; width: 12px; }
}

/* ---------- Printed Electronics (PET · Ag) ---------- */
.fineline-body h3 em { font-style: normal; color: var(--amber); }
.fineline-stat { display: flex; align-items: center; gap: 16px; margin: 4px 0 18px; }
.fineline-stat b {
  font-size: clamp(52px, 6vw, 68px); font-weight: 800; letter-spacing: -0.03em; line-height: 1;
  background: linear-gradient(100deg, #ffd08a, var(--orange-bright) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.fineline-stat b small { font-size: 0.42em; margin-left: 4px; letter-spacing: 0; }
.fineline-stat span { font-size: 13px; color: var(--ink-300); line-height: 1.45; padding-left: 16px; border-left: 1px solid rgba(255, 255, 255, 0.15); }
.fineline-points { margin-bottom: 0; }
.fineline-fig { margin: 0; }
.fineline-fig img { display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, 0.12); }
.fineline-fig figcaption { font-size: 12.5px; color: var(--ink-400); margin-top: 10px; text-align: center; }

.kp-ping { opacity: 0; transform-box: fill-box; transform-origin: center; animation: kp-ping 4.5s ease-out infinite; }
@keyframes kp-ping { 0% { opacity: 0.95; transform: scale(1); } 20% { opacity: 0; transform: scale(1.75); } 100% { opacity: 0; transform: scale(1.75); } }
.kp-sig line { stroke-dasharray: 12 150; animation: kp-sig 2.4s linear infinite; }
@keyframes kp-sig { from { stroke-dashoffset: 12; } to { stroke-dashoffset: -150; } }

.sensor-structure { margin: 0 0 28px; }
.sensor-structure img { display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.sensor-structure figcaption { font-size: 12.5px; color: var(--ink-400); margin-top: 8px; }

.touch-flow { margin-top: 56px; }
.touch-flow-lead { font-size: clamp(15px, 1.8vw, 18px); font-weight: 700; color: var(--ink-900); text-align: center; margin-bottom: 24px; }
.touch-flow-lead b { color: var(--orange-deep); }
.touch-steps { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 12px; }
.touch-step { margin: 0; text-align: center; }
.touch-step svg { display: block; width: 100%; height: auto; background: #f5f8fd; border: 1px solid #dbe4f0; border-radius: var(--radius); }
.touch-step figcaption { display: flex; flex-direction: column; gap: 2px; margin-top: 12px; }
.touch-step figcaption b { font-size: 17px; font-weight: 800; color: var(--ink-900); }
.touch-step figcaption span { font-size: 13.5px; color: var(--ink-500); }
.touch-arrow { color: #8aa0bf; margin-bottom: 56px; }
.wave-draw { stroke-dasharray: 100; stroke-dashoffset: 0; animation: wave-draw 3.6s ease-in-out infinite; }
@keyframes wave-draw { 0% { stroke-dashoffset: 100; } 55%, 100% { stroke-dashoffset: 0; } }
@media (max-width: 760px) {
  .touch-steps { grid-template-columns: 1fr; }
  .touch-step svg { max-width: 380px; margin: 0 auto; }
  .touch-arrow { justify-self: center; transform: rotate(90deg); margin: 0; }
}

/* ---------- Zone range scale (1 Zone → 15 Zone+) ---------- */
.zone-range { display: flex; align-items: center; gap: 20px; max-width: 760px; margin: 0 auto 14px; }
.zone-range-end { flex: none; text-align: center; min-width: 84px; }
.zone-range-end b { display: block; font-size: 21px; font-weight: 800; color: #fff; letter-spacing: -0.01em; line-height: 1.15; }
.zone-range-end span { font-size: 12px; color: var(--ink-400); }
.zone-range-bar { position: relative; flex: 1; height: 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); }
.zone-range-bar .fill {
  position: absolute; inset: 0; border-radius: 999px;
  background: linear-gradient(90deg, #ffd08a, #ff8f2e 55%, #ff4d2e);
  box-shadow: 0 0 18px rgba(240, 120, 24, 0.35);
}
.zone-range-bar .tick {
  position: absolute; top: 50%; width: 14px; height: 14px; margin: -7px 0 0 -7px;
  border-radius: 50%; background: #0c1118; border: 2.5px solid #ffd08a;
}
.zone-range-bar .tick em {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  font-style: normal; font-size: 12px; font-weight: 700; color: var(--amber);
}
.zone-range-note { text-align: center; font-size: 14.5px; color: var(--ink-300); max-width: 640px; margin: 24px auto 34px; }
.zone-diagrams-cap {
  text-align: center; font-size: 12px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 14px;
}
@media (max-width: 680px) {
  .zone-range { gap: 12px; }
  .zone-range-end { min-width: 64px; }
  .zone-range-end b { font-size: 16px; }
}

/* ---------- Measured uniformity (15 Zone 실측 온도 맵) ---------- */
.uniformity {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg); padding: 44px 46px; margin: 34px 0 26px;
}
.uniformity-cap { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange); }
.uniformity h3 { font-size: 28px; font-weight: 800; color: #fff; letter-spacing: -0.02em; line-height: 1.3; margin: 10px 0 22px; }
.uniformity h3 em { font-style: normal; color: var(--amber); }
.uniformity-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 22px; }
.uniformity-stat {
  border: 1px solid rgba(240, 120, 24, 0.4); background: rgba(240, 120, 24, 0.08);
  border-radius: var(--radius); padding: 18px 20px;
}
.uniformity-stat b {
  display: block; font-size: 40px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1;
  background: linear-gradient(100deg, #ffd08a, var(--orange-bright) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.uniformity-stat b small { font-size: 0.5em; margin-left: 3px; }
.uniformity-stat span { display: block; font-size: 13px; color: var(--ink-300); margin-top: 8px; line-height: 1.45; }
.uniformity-body p { font-size: 15px; color: var(--ink-400); }
.uniformity-body p strong { color: #fff; font-weight: 700; }
.uniformity-body .uniformity-note { font-size: 12.5px; color: var(--ink-500); margin-top: 14px; }
.uniformity-fig { margin: 0; }
.uniformity-fig img {
  display: block; width: 100%; height: auto; background: #000;
  border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, 0.12);
}
.uniformity-fig figcaption { font-size: 12.5px; color: var(--ink-400); margin-top: 10px; text-align: center; }
@media (max-width: 900px) {
  .uniformity { grid-template-columns: 1fr; gap: 28px; padding: 32px 24px; }
  .uniformity-fig { max-width: 520px; margin: 0 auto; }
}
@media (max-width: 680px) {
  .uniformity { padding: 26px 18px; }
  .uniformity h3 { font-size: 22px; }
  .uniformity-stat { padding: 14px 14px; }
  .uniformity-stat b { font-size: 30px; }
}

/* ---------- Application cases ---------- */
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.app-card {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.app-img { aspect-ratio: 16 / 11; background: #0c1118; overflow: hidden; }
.app-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.app-card:hover .app-img img { transform: scale(1.03); }
.app-card figcaption { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.app-card .tag { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; color: var(--orange); text-transform: uppercase; }
.app-card h4 { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; }
.app-card p { font-size: 14.5px; color: var(--ink-500); }
.app-card .src { font-size: 12.5px; color: var(--ink-400); text-decoration: underline; text-underline-offset: 3px; margin-top: auto; }
.app-card .src:hover { color: var(--orange); }
.layer-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.layer-list li {
  font-size: 12.5px; font-weight: 700; color: var(--orange-deep);
  background: #fff4ea; border: 1px solid #ffd9b0; border-radius: 999px; padding: 4px 10px;
}
.layer-list li:nth-child(2) { background: var(--orange); color: #fff; border-color: transparent; }
@media (max-width: 680px) { .app-grid { grid-template-columns: 1fr; } }

/* ---------- Core competence (thermal sim + laser trimming) ---------- */
.core-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.core-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.core-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.core-visual {
  background: radial-gradient(520px 300px at 50% 0%, #212b3d 0%, var(--ink-950) 85%);
  padding: 22px 22px 14px;
}
.core-visual svg { width: 100%; height: auto; display: block; }
.core-body { padding: 26px 28px 30px; display: flex; flex-direction: column; gap: 10px; }
.core-tag { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--orange); text-transform: uppercase; }
.core-body h3 { font-size: 21px; font-weight: 800; letter-spacing: -0.015em; }
.core-body > p { font-size: 14.5px; color: var(--ink-500); }
.core-points { display: flex; flex-direction: column; gap: 9px; margin-top: 6px; }
.core-points li { position: relative; padding-left: 26px; font-size: 14px; color: var(--ink-700); }
.core-points li::before {
  content: ""; position: absolute; left: 0; top: 5px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--orange);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 11.2 3.3 8l-1 1 4.2 4.2 7.2-7.2-1-1z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.loop-steps { display: flex; align-items: stretch; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.loop-step {
  flex: 1 1 150px; position: relative; display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px;
  font-size: 14px; font-weight: 700; color: var(--ink-800);
}
.loop-step b { font-size: 12px; font-weight: 800; color: var(--ink-400); letter-spacing: 0.06em; }
.loop-step.hot { border-color: rgba(240, 120, 24, 0.5); background: #fff6ee; color: var(--orange-deep); }
.loop-step.hot b { color: var(--orange); }
.loop-step:not(:last-child)::after {
  content: "\2192"; position: absolute; right: -12px; top: 50%; transform: translateY(-50%);
  color: var(--ink-300); font-weight: 800; z-index: 1;
}
@media (max-width: 900px) { .core-grid { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .loop-step:not(:last-child)::after { display: none; } }

/* ---------- Laser trimming 3D stage (core card) ---------- */
.core-visual.is-3d { padding: 0; }
.stage3d.trim { height: 380px; border: none; border-radius: 0; background: #0c1118; }
.trim-fallback { padding: 22px 22px 14px; }
.trim-fallback svg { width: 100%; height: auto; display: block; }
.trim-hud {
  position: absolute; top: 14px; right: 14px; min-width: 168px;
  padding: 12px 14px; border-radius: 12px;
  background: rgba(12, 17, 24, 0.72); border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px); pointer-events: none;
  font-variant-numeric: tabular-nums;
}
.trim-hud .row { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; margin-bottom: 4px; }
.trim-hud .row span { font-size: 10px; letter-spacing: 0.12em; color: var(--ink-400); font-weight: 700; }
.trim-hud .row b { font-size: 14px; font-weight: 800; color: #eef1f5; }
.trim-hud .row b.meas { color: var(--amber); }
.trim-hud .row i { font-style: normal; }
.trim-hud .status {
  margin-top: 8px; text-align: center; font-size: 11px; font-weight: 800; letter-spacing: 0.08em;
  padding: 5px 8px; border-radius: 999px; border: 1px solid transparent;
}
.trim-hud .status.move { color: #c8ced6; border-color: rgba(255, 255, 255, 0.18); }
.trim-hud .status.cut { color: #ffb054; border-color: rgba(240, 120, 24, 0.6); background: rgba(240, 120, 24, 0.14); animation: pulse-dot 1s ease-in-out infinite; }
.trim-hud .status.ok { color: #5ee38a; border-color: rgba(52, 199, 89, 0.6); background: rgba(52, 199, 89, 0.14); }
.stage3d.trim .hud-hint { left: 14px; right: auto; bottom: 12px; }
@media (max-width: 680px) { .stage3d.trim { height: 300px; } }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.65, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.65, 0.3, 1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .gnb, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .lang-mobile { display: inline-flex; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .product-detail, .product-detail.flip { grid-template-columns: 1fr; }
  .product-detail.flip .p-visual { order: 0; }
  .p-visual { position: static; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .greeting-wrap { background-position: 70% center; }
  .greeting-wrap::before { background: rgba(8, 13, 22, 0.86); }
  .contact-grid { grid-template-columns: 1fr; }
  .zone-diagrams { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 680px) {
  .grid-4, .grid-3, .grid-2, .affiliate-grid, .process-grid { grid-template-columns: 1fr; }
  .zone-diagrams { grid-template-columns: 1fr; }
  .p-features { grid-template-columns: 1fr; }
  .timeline::before { left: 63px; }
  .timeline li { grid-template-columns: 48px 1fr; gap: 32px; }
  .timeline li::before { left: 57.5px; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}