/* =========================================================
   佳砼生态道路系统 - 设计语言
   深青蓝 #1A5276 · 亮绿 #8BC34A · 几何三角形 · 斜切割
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #f5f7f8;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfd;
  --color-surface-offset: #eef2f4;
  --color-divider: #e2e8ec;
  --color-border: #d6dee3;

  /* Text */
  --color-text: #16242f;
  --color-text-muted: #56697a;
  --color-text-faint: #8b9aa6;
  --color-text-inverse: #f4f8fa;

  /* Brand */
  --color-primary: #1a5276;
  --color-primary-deep: #123b56;
  --color-primary-soft: #2a6488;
  --color-accent: #8bc34a;
  --color-accent-deep: #6fa83a;
  --color-accent-soft: #a9d670;

  --shadow-sm: 0 1px 2px rgba(18, 59, 86, 0.06);
  --shadow-md: 0 6px 20px rgba(18, 59, 86, 0.08);
  --shadow-lg: 0 18px 48px rgba(18, 59, 86, 0.14);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 12px;
  --radius-full: 999px;
}

[data-theme='dark'] {
  --color-bg: #0a161b;
  --color-surface: #0f2027;
  --color-surface-2: #152f39;
  --color-surface-offset: #152f39;
  --color-divider: rgba(255,255,255,0.12);
  --color-border: rgba(255,255,255,0.12);

  --color-text: rgba(255,255,255,0.94);
  --color-text-muted: rgba(255,255,255,0.72);
  --color-text-faint: rgba(255,255,255,0.48);
  --color-text-inverse: #12202c;

  --color-primary: #416f7d;
  --color-primary-deep: #17313a;
  --color-primary-soft: #83aeb9;
  --color-accent: #a3d65c;
  --color-accent-deep: #7cb342;
  --color-accent-soft: #b8df82;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.5);
}

/* ---------- Type Scale ---------- */
:root {
  color-scheme: dark;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.83rem + 0.3vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.2rem, 1rem + 0.8vw, 1.6rem);
  --text-xl: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  --text-2xl: clamp(2.2rem, 1.4rem + 3.4vw, 4rem);
  --text-hero: clamp(2.8rem, 1rem + 7vw, 6rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
  --space-32: 8rem;

  --content-narrow: 680px;
  --content-default: 1080px;
  --content-wide: 1280px;

  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-body: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Arial Narrow', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a, button { transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-weight: 700; }
p, li { text-wrap: pretty; max-width: 72ch; }

::selection { background: rgba(139, 195, 74, 0.3); color: var(--color-text); }

html { scrollbar-color: var(--color-accent-deep) var(--color-surface-offset); scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-surface-offset); }
::-webkit-scrollbar-thumb { background: var(--color-accent-deep); border-radius: var(--radius-full); border: 2px solid var(--color-surface-offset); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }

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

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

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3rem); }
.section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); position: relative; }

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--color-accent); display: inline-block; }
[data-theme='dark'] .eyebrow { color: var(--color-accent); }

.section-title {
  font-size: var(--text-xl);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin-top: var(--space-3);
  color: var(--color-text);
}
.section-head > .section-title:first-child { margin-top: 0; }
.section-title .en {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent-deep);
  font-size: 0.42em;
  letter-spacing: 0.04em;
  margin-left: var(--space-2);
  text-transform: uppercase;
}
[data-theme='dark'] .section-title .en { color: var(--color-accent); }

.section-intro {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 60ch;
}

.top-sentinel { position: absolute; top: 0; width: 1px; height: 1px; pointer-events: none; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: #0c1c27;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.header.scrolled { border-bottom-color: rgba(255,255,255,0.1); box-shadow: 0 6px 22px rgba(4,13,19,0.18); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); height: 4.75rem; }

.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: #e8f0f4; }
.brand__logo { width: 34px; height: 34px; flex: none; }
.brand__name { display: flex; flex-direction: column; gap: 0.12rem; }
.brand__name strong { display: flex; align-items: baseline; gap: 0; line-height: 1; white-space: nowrap; }
.brand__name .brand__city { font-family: var(--font-body); font-size: 0.98rem; font-weight: 500; letter-spacing: 0; color: #d8e2e8; }
.brand__name .brand__core { font-family: var(--font-body); font-size: 1rem; font-weight: 800; letter-spacing: 0; color: #f1f6f8; }
.brand__name > span { font-family: var(--font-display); font-size: 0.56rem; line-height: 1; letter-spacing: 0.22em; color: var(--color-accent); white-space: nowrap; }
[data-theme='dark'] .brand__name > span { color: var(--color-accent); }

.nav { display: flex; align-items: center; gap: var(--space-1); }
.nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 500;
  white-space: nowrap;
}
.nav a:hover { color: #edf4f7; background: transparent; }
[data-theme='dark'] .nav a:hover { color: #edf4f7; background: transparent; }
.nav a.active { color: var(--color-accent-soft); background: transparent; font-weight: 600; }
[data-theme='dark'] .nav a.active { color: var(--color-accent-soft); }

.header__actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  width: 2.5rem; height: 2.5rem; border-radius: var(--radius-full);
  display: grid; place-items: center; color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.icon-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }
[data-theme='dark'] .icon-btn:hover { color: var(--color-primary-soft); border-color: var(--color-primary-soft); }
.icon-btn svg { width: 18px; height: 18px; }

.menu-toggle { display: none; }
.menu-toggle__icon .line { transition: transform 260ms cubic-bezier(0.16,1,0.3,1), opacity 200ms ease; transform-origin: 12px 12px; }
.menu-toggle[aria-expanded='true'] .line--top { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded='true'] .line--mid { opacity: 0; }
.menu-toggle[aria-expanded='true'] .line--bottom { transform: translateY(-6px) rotate(-45deg); }
.menu-toggle[aria-expanded='true'] {
  color: var(--color-primary);
  border-color: color-mix(in oklab, var(--color-primary) 55%, var(--color-border));
  background: color-mix(in oklab, var(--color-primary) 8%, transparent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm); font-weight: 600;
  text-decoration: none; white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-deep); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--accent { background: var(--color-accent); color: #16242f; }
.btn--accent:hover { background: var(--color-accent-deep); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text); background: transparent; }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn:active { transform: translateY(0) scale(0.97); box-shadow: var(--shadow-sm); }
[data-theme='dark'] .btn--primary { color: #0d1820; }
[data-theme='dark'] .btn--ghost:hover { border-color: var(--color-primary-soft); color: var(--color-primary-soft); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100dvh - 4.75rem);
  display: flex; align-items: flex-end;
  padding-block: 0;
  overflow: hidden;
  color: #fff;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center 72%; transform: scale(1.04); }
.hero__media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(6,22,27,0.88) 0%, rgba(8,29,35,0.64) 44%, rgba(9,34,40,0.18) 80%),
    linear-gradient(180deg, rgba(7,22,27,0.08) 0%, rgba(8,28,33,0.7) 100%),
    linear-gradient(135deg, rgba(26,73,54,0.18), transparent 58%);
}
.hero__triangles { display: none; }
.hero__cut {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 0; z-index: 1;
}
.hero__content { position: relative; z-index: 2; max-width: var(--content-wide); padding-left: clamp(1.25rem, 7.5vw, 7rem); padding-bottom: 12vh; }
.hero__eyebrow {
  font-family: var(--font-body); font-size: clamp(0.82rem, 0.76rem + 0.22vw, 0.95rem);
  letter-spacing: 0.08em; font-weight: 600;
  color: var(--color-accent); display: inline-flex; align-items: center;
}
.hero__eyebrow::before { display: none; }
.hero h1 {
  margin-top: var(--space-6); max-width: 10em;
  font-size: clamp(3.4rem, 2.7rem + 2.1vw, 4.6rem);
  font-weight: 850; line-height: 1.03; letter-spacing: -0.055em;
  text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}
.hero h1 > span { display: block; }
.hero h1 .accent { color: var(--color-accent); }
.hero__sub {
  margin-top: var(--space-8); font-size: clamp(1rem, 0.95rem + 0.2vw, 1.1rem); max-width: 44em;
  color: rgba(255,255,255,0.82); font-weight: 400; line-height: 1.9;
}
.hero__actions { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ---------- Stats bar ---------- */
.stats {
  background: #152f39;
  color: #fff;
  position: relative;
  overflow: hidden;
  border-block: 1px solid rgba(255,255,255,0.12);
}
[data-theme='dark'] .stats { background: #152f39; }
.stats__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding-top: 3rem;
}
.stat { padding: var(--space-4) clamp(var(--space-3), 2vw, var(--space-6)); border-left: 1px solid rgba(255,255,255,0.14); }
.stat:first-child { border-left: none; }
.stat__num { font-family: var(--font-display); font-size: clamp(2.5rem, 3.8vw, 4rem); font-weight: 760; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.stat__num .unit { font-size: 0.36em; color: var(--color-accent-soft); margin-left: 0.18em; font-weight: 650; vertical-align: baseline; }
.stat__label { margin-top: var(--space-2); font-size: var(--text-xs); color: rgba(255,255,255,0.7); letter-spacing: 0.04em; }
.stats__badges { display: flex; flex-wrap: wrap; gap: var(--space-2); padding-block: var(--space-8) 3rem; }
.stats__badges span { padding: 0.4rem 0.72rem; border: 1px solid rgba(163,214,92,0.34); border-radius: var(--radius-sm); color: var(--color-accent-soft); background: rgba(163,214,92,0.08); font-size: var(--text-xs); font-weight: 650; letter-spacing: 0.03em; }

/* ---------- Generic section header with triangle accent ---------- */
.section-head { margin-bottom: var(--space-12); }
.section-head--center { text-align: center; }
.section-head--center .eyebrow::before { display: none; }

/* ---------- Company profile ---------- */
.profile__grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.profile__text p { margin-top: var(--space-4); color: var(--color-text-muted); }
.profile__text p strong { color: var(--color-text); font-weight: 700; }
.profile__cards { display: grid; gap: var(--space-4); }
.profile-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  display: flex; gap: var(--space-4); align-items: flex-start;
  box-shadow: var(--shadow-sm);
}
.profile-card__icon {
  width: 3rem; height: 3rem; flex: none; border-radius: var(--radius-md);
  background: var(--color-primary); color: #fff;
  display: grid; place-items: center;
}
.profile-card__icon svg { width: 22px; height: 22px; }
.profile-card h3 { font-size: var(--text-base); font-weight: 700; }
.profile-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); max-width: none; }
[data-theme='dark'] .profile-card { background: var(--color-surface); }

/* ---------- Production / Facilities ---------- */
.facility__grid {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--space-4);
}
.facility-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--color-surface); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm); min-height: 0; aspect-ratio: 16 / 10;
  display: flex; align-items: flex-end;
}
.facility-card--lg { grid-column: span 8; min-height: 0; }
.facility-card--sm { grid-column: span 4; }
.facility-card--md { grid-column: span 6; min-height: 0; }
.facility-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16,1,0.3,1); }
.facility-card:hover img { transform: scale(1.06); }
.facility-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(13,24,32,0.85) 100%); }
.facility-card__body { position: relative; z-index: 2; padding: var(--space-5) var(--space-6); color: #fff; }
.facility-card__body h3 { font-size: var(--text-base); font-weight: 700; }
.facility-card__body span { font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-accent-soft); }
.facility-card__corner { display: none; }

.facility__note {
  margin-top: var(--space-10); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
}
.note-pill {
  background: var(--color-surface-offset); border-radius: var(--radius-lg);
  padding: var(--space-6); border-left: 3px solid var(--color-accent);
}
.note-pill strong { font-family: var(--font-display); font-size: var(--text-lg); display: block; }
.note-pill span { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Products ---------- */
.products { background: var(--color-surface-offset); }
.product__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); grid-auto-rows: 1fr; gap: var(--space-4); margin-top: var(--space-10); }
.product-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-6);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  height: 100%;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.product-card:active { transform: translateY(-1px) scale(0.99); }
.product-card::before {
  content: ''; position: absolute; top: 0; right: 0; width: 0; height: 0;
  border-style: solid; border-width: 0 36px 36px 0;
  border-color: transparent var(--color-surface-offset) transparent transparent;
  transition: border-color var(--transition);
}
.product-card:hover::before { border-right-color: var(--color-accent-soft); }
.product-card__tag {
  display: inline-block; font-family: var(--font-display); font-size: var(--text-xs);
  letter-spacing: 0.1em; font-weight: 600; color: var(--color-accent-deep);
  text-transform: uppercase; margin-bottom: var(--space-2);
}
[data-theme='dark'] .product-card__tag { color: var(--color-accent); }
.product-card h3 { font-size: var(--text-lg); font-weight: 700; }
.product-card__specs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.spec-chip {
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: 500;
  background: var(--color-surface-offset); color: var(--color-primary);
  padding: 0.25rem 0.6rem; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
[data-theme='dark'] .spec-chip { color: var(--color-primary-soft); background: var(--color-surface-offset); }
.product-card__use { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); flex: 1; }

/* ---------- Laboratory equipment ---------- */
.laboratory { background: var(--color-bg); }
.equipment-panel {
  position: relative;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.equipment-panel::before { display: none; }
.equipment-table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  table-layout: fixed;
}
.equipment-table th {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-faint);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: left;
}
.equipment-table th:nth-child(1) { width: 10%; }
.equipment-table th:nth-child(2) { width: 56%; }
.equipment-table th:nth-child(3) { width: 34%; }
.equipment-table td {
  padding: 1rem var(--space-4);
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  vertical-align: middle;
  transition: background var(--transition), color var(--transition);
  border-bottom: 1px solid var(--color-divider);
}
.equipment-table tr:hover td { background: rgba(255,255,255,0.025); color: var(--color-text); }
.equipment-table td:first-child {
  border-radius: 0;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 700;
}
.equipment-table td:last-child { border-radius: 0; }
.equipment-table td:nth-child(2) { color: var(--color-text); font-weight: 700; }
.equipment-actions { display: none; }

/* ---------- Cases ---------- */
.cases__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-flow: dense; grid-auto-rows: 1fr; gap: var(--space-5); margin-top: var(--space-10); }
.cases__actions { display: flex; justify-content: center; margin-top: var(--space-10); }
.cases__grid.is-collapsed .case-card:not(.case-card--featured):not(.case-card--initial) { display: none; }
.case-card--featured { grid-column: span 2; }
.case-card--g15 { order: -3; }
.case-card--hongqiao { order: -2; }
.case-card--jiangyang { order: -1; }
.case-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-card:active { transform: translateY(-1px) scale(0.99); }
.case-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-card__media::after { content: ''; position: absolute; inset: 45% 0 0; background: linear-gradient(180deg, transparent, rgba(7,20,25,0.62)); pointer-events: none; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16,1,0.3,1); }
.case-card:hover .case-card__media img { transform: scale(1.07); }
.case-card__tag {
  position: absolute; top: var(--space-3); left: var(--space-3);
  background: rgba(163,214,92,0.14); color: var(--color-accent-soft);
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: 600;
  padding: 0.28rem 0.58rem; border-radius: var(--radius-sm); letter-spacing: 0.04em; font-size: 0.6875rem;
  border: 1px solid rgba(163,214,92,0.28); backdrop-filter: blur(8px); z-index: 2;
}
.case-card__body { padding: var(--space-5) var(--space-6) var(--space-6); flex: 1; display: flex; flex-direction: column; }
.case-card__body h3 { font-size: var(--text-base); font-weight: 700; line-height: 1.35; }
.case-card__meta { margin-top: var(--space-3); display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); font-size: var(--text-xs); color: var(--color-text-muted); }
.case-card__meta span { display: inline-flex; align-items: center; gap: 0.35rem; }
.case-card__meta svg { width: 14px; height: 14px; opacity: 0.7; }
.case-card__desc { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); flex: 1; }
.case-card__tons {
  margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--color-divider);
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-2); text-align: right;
}
.case-card__tons strong { margin-left: auto; font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-primary); font-weight: 700; font-variant-numeric: tabular-nums; }
[data-theme='dark'] .case-card__tons strong { color: var(--color-primary-soft); }
.case-card__tons span { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- Honors ---------- */
.honors { background: var(--color-primary-deep); color: #fff; position: relative; overflow: hidden; }
.honors::before { display: none; }
[data-theme='dark'] .honors { background: var(--color-surface-2); }
.honors .section-title { color: #fff; }
.honors .section-intro { color: rgba(255,255,255,0.78); }
.honors .eyebrow { color: var(--color-accent); }
.honors__grid { position: relative; z-index: 1; margin-top: var(--space-12); display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); }
.honors__timeline { position: relative; padding-left: var(--space-6); }
.honors__timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: rgba(255,255,255,0.2); }
.honor-item { position: relative; padding-bottom: var(--space-6); }
.honor-item::before { content: ''; position: absolute; left: -1.85rem; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 4px rgba(139,195,74,0.25); }
.honor-item__date { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; color: var(--color-accent-soft); }
.honor-item__title { margin-top: var(--space-1); color: rgba(255,255,255,0.92); font-size: var(--text-sm); }

.honors__certs { display: grid; grid-auto-rows: 1fr; gap: var(--space-4); }
.cert-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg); padding: var(--space-6);
  backdrop-filter: blur(4px); height: 100%;
}
.cert-card__icon { width: 2.5rem; height: 2.5rem; border-radius: var(--radius-md); background: var(--color-accent); color: #16242f; display: grid; place-items: center; margin-bottom: var(--space-3); }
.cert-card__icon svg { width: 20px; height: 20px; }
.cert-card h3 { font-size: var(--text-base); color: #fff; }
.cert-card p { margin-top: var(--space-1); font-size: var(--text-sm); color: rgba(255,255,255,0.7); max-width: none; }

/* ---------- Contact ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.contact__info { display: grid; gap: var(--space-4); margin-top: var(--space-6); margin-bottom: var(--space-4); }
.contact-row { display: flex; gap: var(--space-4); align-items: flex-start; padding: var(--space-4) 0; border-bottom: 1px solid var(--color-divider); }
.contact-row__icon { width: 2.75rem; height: 2.75rem; flex: none; border-radius: var(--radius-md); background: var(--color-surface-offset); color: var(--color-primary); display: grid; place-items: center; }
.contact-row__icon svg { width: 20px; height: 20px; }
.contact-row span { font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); }
.contact-row__role { display: block; margin-top: 0.35rem; color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 550; line-height: 1.45; letter-spacing: 0.025em; }
.contact-row strong { display: block; font-size: var(--text-base); font-weight: 600; margin-top: 2px; }
.contact-row strong a { color: var(--color-accent-soft); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.22em; border-bottom: 0; transition: color var(--transition); }
.contact-row .map-link { display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: 0.45rem; }
.contact-row .map-link small { font-size: 0.72em; font-weight: 650; color: var(--color-accent); white-space: nowrap; }
.contact-row strong a:hover { color: var(--color-primary); border-bottom-color: var(--color-accent); }
[data-theme='dark'] .contact-row strong a:hover { color: var(--color-primary-soft); }
[data-theme='dark'] .contact-row__icon { color: var(--color-primary-soft); }

.contact__cta {
  background: var(--color-primary); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
[data-theme='dark'] .contact__cta { background: var(--color-surface-2); border: 1px solid var(--color-border); }
.contact__cta::after {
  content: ''; position: absolute; bottom: -40px; right: -40px; width: 220px; height: 220px;
  background: var(--color-accent); opacity: 0.9;
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.contact__cta h2 { font-size: var(--text-xl); color: #fff; position: relative; z-index: 1; }
.contact__cta p { margin-top: var(--space-3); color: rgba(255,255,255,0.85); position: relative; z-index: 1; }
.contact__cta .btn { margin-top: var(--space-6); position: relative; z-index: 1; }

/* ---------- Footer ---------- */
.footer { background: var(--color-primary-deep); color: rgba(255,255,255,0.7); padding-block: var(--space-12) var(--space-8); }
[data-theme='dark'] .footer { background: #0a141c; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-6); align-items: center; }
.footer__brand { display: flex; align-items: center; gap: var(--space-3); }
.footer__brand strong { color: #fff; font-size: var(--text-sm); display: block; }
.footer__brand em { font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.12em; color: var(--color-accent); font-style: normal; }
.footer__meta { font-size: var(--text-xs); color: rgba(255,255,255,0.72); text-align: right; line-height: 1.7; }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.footer__nav a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: var(--text-sm); }
.footer__nav a:hover { color: var(--color-accent); }
.footer__compliance {
  flex: 0 0 100%;
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: var(--space-2);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}
.footer__compliance a {
  color: rgba(255,255,255,0.66);
  font-size: var(--text-xs);
  line-height: 1.7;
  text-decoration: none;
  text-underline-offset: 0.25em;
  transition: color var(--transition);
}
.footer__compliance a:hover { color: var(--color-accent); text-decoration: underline; }
.footer__compliance a:focus-visible {
  color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.42s cubic-bezier(0.16,1,0.3,1), transform 0.42s cubic-bezier(0.16,1,0.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .nav { display: none; }
  .menu-toggle { display: grid; }
  .stats__grid { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(4) { border-left: none; }
  .cases__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .profile__grid, .contact__grid, .honors__grid { grid-template-columns: 1fr; }
  .facility-card--lg { grid-column: span 12; }
  .facility-card--sm, .facility-card--md { grid-column: span 6; }
  .facility__note { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section { padding-block: clamp(var(--space-12), 14vw, var(--space-16)); }
  .section-title { margin-top: 0.55rem; line-height: 1.12; }
  .section-title .en { margin-left: 0.4rem; }
  .section-intro { margin-top: 0.7rem; line-height: 1.72; }
  .section-head { margin-bottom: var(--space-8); }
  .hero__eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    white-space: nowrap;
  }
  .hero { min-height: min(88dvh, 720px); }
  .hero__content { padding-left: 1.25rem; padding-bottom: 9vh; }
  .hero__media img { object-position: center 72%; transform: none; }
  .brand { gap: 0.65rem; }
  .brand__logo { width: 31px; height: 31px; }
  .brand__name { gap: 0.08rem; }
  .brand__name .brand__city { display: inline; font-size: 0.86rem; }
  .brand__name .brand__core { font-size: 0.9rem; }
  .brand__name > span { font-size: 0.5rem; letter-spacing: 0.16em; }
  .hero h1 { font-size: clamp(2.7rem, 12vw, 3.25rem); margin-top: var(--space-5); }
  .hero__sub { margin-top: var(--space-6); font-size: 0.98rem; line-height: 1.75; }
  .hero__actions { margin-top: var(--space-6); gap: var(--space-3); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); padding-top: 2.5rem; }
  .stat { border-left: none; border-top: 1px solid rgba(255,255,255,0.14); }
  .stat:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.14); }
  .stat:nth-child(-n+2) { border-top: none; }
  .stat:last-child { grid-column: 1 / -1; border-right: 0; }
  .stats__badges { padding-block: var(--space-6) 2.5rem; }
  .facility-card--sm, .facility-card--md, .facility-card--lg { grid-column: span 12; }
  .equipment-panel { padding: var(--space-3); overflow: visible; background: transparent; border: 0; box-shadow: none; }
  .equipment-panel::before { display: none; }
  .equipment-table, .equipment-table tbody { display: block; }
  .equipment-table thead { display: none; }
  .equipment-table { border-spacing: 0; }
  .equipment-table tbody { display: grid; gap: 0; border-top: 1px solid var(--color-divider); }
  .equipment-table tr {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0.95rem 0;
    border-bottom: 1px solid var(--color-divider);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }
  .equipment-table tr:hover td { background: transparent; }
  .equipment-table td {
    display: block;
    padding: 0;
    border-radius: 0 !important;
    background: transparent;
    color: var(--color-text-muted);
  }
  .equipment-table td::before { display: none; }
  .equipment-table td:first-child { display: none; }
  .equipment-table td:nth-child(2) { flex: 1 1 auto; min-width: 0; color: var(--color-text); font-size: 0.95rem; font-weight: 650; }
  .equipment-table td:nth-child(3) { flex: 0 0 auto; max-width: 42%; color: var(--color-text-muted); text-align: right; font-size: 0.82rem; overflow-wrap: anywhere; }
  .equipment-table.is-collapsed tbody tr:nth-child(n+5) { display: none; }
  .equipment-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--space-5);
  }
  .equipment-toggle {
    width: min(100%, 18rem);
    justify-content: center;
    border-color: color-mix(in oklab, var(--color-accent) 58%, var(--color-border));
    color: var(--color-text);
    background: var(--color-surface);
  }
  .equipment-toggle:hover { border-color: var(--color-accent); background: var(--color-surface-2); }
  .equipment-toggle:active { transform: translateY(1px) scale(0.98); }
  .equipment-toggle[hidden] { display: none; }
  .cases__grid { grid-template-columns: 1fr; }
  .case-card--featured { grid-column: auto; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta { text-align: left; }
  .footer__compliance { margin-top: var(--space-1); }
}

@media (max-width: 380px) {
  .container { padding-inline: 1rem; }
  .header__inner { gap: 0.5rem; }
  .header__actions { gap: 0.25rem; }
  .brand { gap: 0.5rem; }
  .brand__logo { width: 29px; height: 29px; }
  .brand__name .brand__city { font-size: 0.8rem; }
  .brand__name .brand__core { font-size: 0.84rem; }
  .brand__name > span { font-size: 0.46rem; letter-spacing: 0.13em; }
  .icon-btn { width: 2.25rem; height: 2.25rem; }
  .header__actions .btn {
    padding: 0.52rem 0.85rem !important;
    font-size: 0.8rem;
  }
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: var(--space-6); bottom: max(var(--space-6), env(safe-area-inset-bottom)); z-index: 90;
  width: 3rem; height: 3rem; border-radius: var(--radius-full);
  background: rgba(15,32,39,0.82); color: var(--color-accent);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(16px) scale(0.82) rotate(-10deg); pointer-events: none;
  transition:
    opacity 180ms cubic-bezier(0.4,0,1,1),
    transform 180ms cubic-bezier(0.4,0,1,1),
    background var(--transition),
    box-shadow var(--transition);
}
.back-to-top::after {
  content: '';
  position: absolute; inset: -1px;
  border: 2px solid color-mix(in oklab, var(--color-accent) 72%, transparent);
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1) rotate(0);
  pointer-events: auto;
  transition-duration: 280ms;
  transition-timing-function: cubic-bezier(0.16,1,0.3,1);
}
.back-to-top.is-obscured { opacity: 0; pointer-events: none; transform: translateY(12px) scale(0.9); }
.back-to-top.visible::after { animation: back-to-top-ring 560ms cubic-bezier(0.16,1,0.3,1); }
.back-to-top:hover { background: rgba(21,47,57,0.96); transform: translateY(-2px); }
.back-to-top:active,
.back-to-top.is-returning { transform: translateY(1px) scale(0.9); }
.back-to-top svg {
  width: 20px; height: 20px;
  transition: transform 220ms cubic-bezier(0.16,1,0.3,1);
}
.back-to-top.is-returning svg { transform: translateY(-4px); }
@keyframes back-to-top-ring {
  0% { opacity: 0.65; transform: scale(0.88); }
  100% { opacity: 0; transform: scale(1.55); }
}
[data-theme='dark'] .back-to-top { color: var(--color-accent); }
@media (max-width: 720px) {
  .back-to-top {
    right: var(--space-4); bottom: max(var(--space-4), env(safe-area-inset-bottom));
    width: 3rem; height: 3rem;
    box-shadow: 0 8px 24px rgba(18,59,86,0.28);
  }
}

/* Mobile nav drawer */
.mobile-nav-backdrop {
  position: fixed; inset: 0; z-index: 98;
  background: rgba(10, 18, 26, 0.45);
  backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden;
  transition:
    opacity 200ms cubic-bezier(0.4,0,1,1),
    visibility 200ms cubic-bezier(0.4,0,1,1);
}
.mobile-nav-backdrop.open {
  opacity: 1; visibility: visible;
  transition-timing-function: cubic-bezier(0.16,1,0.3,1);
}
.mobile-nav {
  position: fixed; inset: 4.5rem 0 auto 0; z-index: 99;
  background: var(--color-bg); border-bottom: 1px solid var(--color-border);
  padding: 0.9rem clamp(1.25rem, 4vw, 3rem) 1.1rem;
  display: flex; flex-direction: column; gap: var(--space-1);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  opacity: 0; visibility: hidden;
  transform: translateY(-14px) scale(0.985);
  transform-origin: top center;
  transition:
    opacity 180ms cubic-bezier(0.4,0,1,1),
    transform 180ms cubic-bezier(0.4,0,1,1),
    visibility 180ms cubic-bezier(0.4,0,1,1);
  box-shadow: var(--shadow-lg);
}
.mobile-nav.open {
  opacity: 1; visibility: visible;
  transform: translateY(0) scale(1);
  transition-duration: 280ms;
  transition-timing-function: cubic-bezier(0.16,1,0.3,1);
}
.mobile-nav a {
  color: var(--color-text); text-decoration: none;
  padding: 0.72rem var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600; line-height: 1.35;
  opacity: 0; transform: translateY(-7px);
  transition:
    opacity 180ms cubic-bezier(0.4,0,1,1),
    transform 180ms cubic-bezier(0.4,0,1,1),
    color var(--transition),
    background var(--transition);
}
.mobile-nav.open a {
  opacity: 1; transform: translateY(0);
  transition-duration: 240ms;
  transition-timing-function: cubic-bezier(0.16,1,0.3,1);
}
.mobile-nav.open a:nth-child(1) { transition-delay: 35ms; }
.mobile-nav.open a:nth-child(2) { transition-delay: 70ms; }
.mobile-nav.open a:nth-child(3) { transition-delay: 105ms; }
.mobile-nav.open a:nth-child(4) { transition-delay: 140ms; }
.mobile-nav.open a:nth-child(5) { transition-delay: 175ms; }
.mobile-nav.open a:nth-child(6) { transition-delay: 210ms; }
.mobile-nav a:hover { background: var(--color-surface-offset); }

@media (prefers-reduced-motion: reduce) {
  .mobile-nav a,
  .back-to-top,
  .back-to-top svg { transform: none !important; }
  .back-to-top.visible::after { animation: none; }
}

/* ---------- A4 PDF / print ---------- */
@media print {
  @page { size: A4 portrait; margin: 0; }

  html { scroll-behavior: auto; scroll-padding-top: 0; }
  body {
    width: 210mm;
    min-height: auto;
    overflow: visible;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .header { position: relative; top: auto; height: 18mm; box-shadow: none; }
  .header__inner { height: 18mm; }
  .nav { display: flex; }
  .menu-toggle,
  .mobile-nav,
  .mobile-nav-backdrop,
  .back-to-top,
  .cases__actions,
  .equipment-actions { display: none !important; }

  .hero {
    min-height: 279mm;
    height: 279mm;
    break-after: page;
  }
  .hero__content { padding-bottom: 28mm; }
  .hero__media img { transform: none; }

  .stats { break-before: auto; padding-block: 12mm; }
  .section { break-before: auto; }
  .section { padding-block: 16mm; }
  .container { max-width: none; padding-inline: 14mm; }
  .section-head {
    margin-bottom: 8mm;
    break-inside: avoid;
    page-break-inside: avoid;
    break-after: avoid;
    page-break-after: avoid;
  }

  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .cases__grid.is-collapsed .case-card { display: flex !important; }
  .equipment-table.is-collapsed tbody tr { display: table-row !important; }

  .profile-card,
  .facility-card,
  .note-pill,
  .product-card,
  .equipment-table tr,
  .case-card,
  .honor-item,
  .cert-card,
  .contact-row,
  .contact__cta { break-inside: avoid; page-break-inside: avoid; }

  .facility__grid { gap: 4mm; }
  .facility-card { aspect-ratio: 16 / 10; }
  .product__grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 4mm; }
  .cases__grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 5mm; }
  .case-card--featured { grid-column: auto; }
  .case-card__media { aspect-ratio: 16 / 10; }

  .honors { background: var(--color-surface-2) !important; }
  .footer { break-before: auto; min-height: 70mm; }
}