/**
 * AthenaTov Design System
 * Refined biotech — white surfaces, deep evergreen brand, tech-forward UI
 */

:root {
  /* Surfaces */
  --color-bg: #FFFFFF;
  --color-bg-subtle: #F7F9F8;
  --color-bg-muted: #EEF1F0;
  --color-placeholder: #EEEEEE;
  --color-surface: #FFFFFF;
  --color-border: #E4E8E6;
  --color-border-strong: #CED6D2;

  /* Text */
  --color-text: #0B1F17;
  --color-muted: #5A6B63;
  --color-muted-light: #8E9994;

  /* Brand — deep evergreen (distinct from retail green) */
  --color-brand: #0A241C;
  --color-brand-mid: #143D30;
  --color-brand-light: #1C5240;
  --color-accent: #247A5E;
  --color-accent-hover: #2E9472;
  --color-accent-soft: #E8F2ED;
  --color-on-dark-muted: rgba(255, 255, 255, 0.72);
  --color-light-muted: #6B7B73;

  /* Semantic aliases */
  --color-point: #247A5E;
  --color-point-dark: var(--color-brand-light);
  --color-forest: var(--color-brand-mid);
  --color-forest-light: var(--color-brand-light);
  --color-forest-dark: var(--color-brand);
  --color-gold: var(--color-point);
  --color-gold-light: var(--color-point);
  --color-cream: var(--color-bg);
  --color-stone: var(--color-border);
  --color-ink: var(--color-text);
  --color-white: #FFFFFF;

  /* Radius — tech-refined */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-img: 12px;
  --radius-draft: var(--radius-md);
  --radius-card: var(--radius-lg);
  --radius-showcase: var(--radius-xl);
  --radius-pill: 999px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(11, 31, 23, 0.04);
  --shadow-md: 0 4px 16px rgba(11, 31, 23, 0.06);
  --shadow-lg: 0 12px 32px rgba(11, 31, 23, 0.08);
  --shadow-brand: 0 4px 20px rgba(20, 61, 48, 0.18);

  --font-ko: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', sans-serif;
  --font-en: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Montserrat', var(--font-en);
  --font-body: var(--font-ko);
  --font-display: var(--font-en);

  --header-height: 4.5rem;
  --section-gap: clamp(3rem, 8vw, 7rem);
  --container: min(1100px, 92vw);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* Typography scale */
  --text-display: clamp(2rem, 4.5vw, 2.75rem);
  --text-h2: clamp(1.75rem, 3.6vw, 2.375rem);
  --text-card-title: clamp(1.125rem, 2vw, 1.5rem);
  --text-lead: 1rem;
  --text-body: 1rem;
  --text-h3: 0.9rem;
  --text-nav: 0.9rem;
  --text-nav-cta: 0.75rem;
  --text-btn: 0.9rem;
  --text-caption: 0.75rem;

  /* Legacy aliases */
  --font-base: var(--text-body);
  --font-h2-max: 2.375rem;
  --font-lead-max: var(--text-lead);
  --font-h3: var(--text-h3);
  --font-body: var(--text-body);
  --font-nav: var(--text-nav);
  --font-card-title-max: 1.5rem;
}

/* SEO H1 — screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Typography system */
.font-en {
  font-family: var(--font-accent);
}

[lang="en"] {
  font-family: var(--font-en);
}

html[lang="en"] .font-en {
  font-family: 'Montserrat', var(--font-en);
}

/* 국문 About: 큰 영문 표기 → Pretendard (font-weight는 기존 유지) */
html[lang="ko"] .page-about .font-en,
html[lang="ko"] .page-about [lang="en"] {
  font-family: var(--font-ko);
}

html[lang="ko"] {
  --font-body: var(--font-ko);
  --font-display: var(--font-ko);
}

html[lang="en"] {
  --font-body: var(--font-en);
  --font-display: var(--font-accent);
}

.type-h2 {
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin: 0 0 1rem;
}

.type-display {
  font-size: var(--text-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.type-lead {
  font-size: var(--text-lead);
  font-weight: 500;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0 0 1.5rem;
}

.type-h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.type-body {
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

.type-light { color: #fff; }
.type-light-muted { color: var(--color-on-dark-muted); }
.text-point { color: var(--color-point); }

/* 영문 사이트: h2 · 포인트 텍스트는 Montserrat */
html[lang="en"] h2,
html[lang="en"] .type-h2 {
  font-family: 'Montserrat', var(--font-en);
}

html[lang="en"] .text-point {
  font-family: 'Montserrat', var(--font-en);
  font-weight: 600;
  letter-spacing: -0.02em;
}

html[lang="en"] body {
  letter-spacing: -0.011em;
}

.hero-slide__title.type-h2,
.hero-slide__title.type-light,
.hero-slide__desc.type-lead,
.hero-slide__desc.type-light {
  color: #fff;
}

.hero-slide__desc {
  color: rgba(255, 255, 255, 0.88);
}

.page-hero .type-h2.type-light,
.page-hero .type-lead.type-light-muted {
  color: #fff;
}

.page-hero .type-lead.type-light-muted {
  color: var(--color-on-dark-muted);
}

.btn-point {
  background: var(--color-brand-mid);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.625rem 1.25rem;
  font-size: var(--text-btn);
  font-family: var(--font-body);
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}

.btn-point:hover {
  background: var(--color-brand-light);
  color: #fff;
  box-shadow: var(--shadow-md);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-tap-highlight-color: transparent;
  word-break: keep-all;
  overflow-wrap: break-word;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-img);
}

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

.logo img {
  border-radius: 0;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container { width: var(--container); margin-inline: auto; }

/* Typography */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 500;
  line-height: 1.1;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-muted);
  max-width: 42rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  isolation: isolate;
  height: var(--header-height);
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), color 0.35s var(--ease-out);
}

.site-header.is-scrolled:not(.is-dark) {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--color-border) 50%, transparent);
}

.site-header.is-dark {
  color: var(--color-white);
}

.site-header.is-dark.is-scrolled,
.site-header.site-header--draft.is-dark.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--color-border) 50%, transparent);
  color: var(--color-text);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo img { height: 2rem; width: auto; }

.site-header.is-dark:not(.is-scrolled) .logo img {
  filter: brightness(0) invert(1);
}

/* Hero sections extend behind fixed header so is-dark nav stays readable */
.board-page-hero,
.hero-slider,
.hero-debut {
  margin-top: calc(-1 * var(--header-height));
}

/* Draft header contrast (draft.css may load async) */
.site-header--draft.is-dark:not(.is-scrolled) {
  color: #fff;
}

.site-header--draft.is-dark:not(.is-scrolled) .nav-desktop a:not(.btn):not(.lang-switcher__link) {
  color: rgba(255, 255, 255, 0.92);
}

.site-header--draft.is-dark:not(.is-scrolled) .lang-switcher__link {
  color: rgba(255, 255, 255, 0.88);
}

.site-header--draft.is-dark:not(.is-scrolled) .lang-switcher__link.is-active {
  color: #fff;
}

.site-header--draft.is-dark.is-scrolled .nav-desktop a:not(.btn) {
  color: var(--color-text);
}

.site-header--draft.is-dark.is-scrolled .lang-switcher__link:not(.is-active) {
  color: var(--color-muted);
}

.site-header--draft.is-dark.is-scrolled .lang-switcher__link.is-active {
  color: #fff;
}

.site-header.site-header--draft.is-dark.is-scrolled {
  color: var(--color-text);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] { opacity: 1; }

.nav-desktop a[aria-current="page"] {
  color: var(--color-gold);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  min-height: 2.5rem;
  font-size: var(--text-btn);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  border-radius: var(--radius-md);
  transition: background 0.2s var(--ease-out), color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.btn-primary {
  background: var(--color-brand-mid);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-brand-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-brand-light);
  color: var(--color-brand-mid);
}

.btn-gold {
  background: var(--color-brand-mid);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-gold:hover {
  background: var(--color-brand-light);
  box-shadow: var(--shadow-md);
}

/* Mobile nav */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s;
}

.nav-mobile {
  position: fixed;
  inset: var(--header-height) 0 0;
  background: var(--color-forest-dark);
  color: var(--color-white);
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
  z-index: 99;
}

.nav-mobile.is-open { transform: translateX(0); }

.nav-mobile a {
  display: block;
  padding: 1rem 0;
  font-size: 1.125rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--color-forest-dark);
  color: var(--color-white);
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(15,36,24,0.92) 0%, rgba(27,57,35,0.75) 50%, rgba(15,36,24,0.88) 100%),
    url('https://images.unsplash.com/photo-1559827260-dc66d52bef19?w=1920&q=80') center/cover;
}

.hero-grid {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: 4rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

/* Stats bar */
.stats-bar {
  background: var(--color-forest);
  color: var(--color-white);
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.stat-item { text-align: center; }

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--color-gold-light);
  line-height: 1;
}

.stat-label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
}

/* Pillars */
.section { padding-block: var(--section-gap); }

.section-header {
  margin-bottom: 3rem;
  max-width: 40rem;
}

.pillars-grid {
  display: grid;
  gap: 1.5rem;
}

.pillar-card {
  background: var(--color-white);
  border: 1px solid var(--color-stone);
  padding: 2rem;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(27,57,35,0.08);
}

.pillar-card.is-featured {
  border: 2px solid var(--color-gold);
  background: linear-gradient(180deg, #FDFCF7 0%, var(--color-white) 100%);
}

.pillar-num {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.pillar-card.is-featured .pillar-num { color: var(--color-gold); }

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin: 0 0 1rem;
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-point);
}

.pillar-link svg {
  width: 1rem;
  transition: transform 0.3s;
}

.pillar-link:hover svg { transform: translateX(4px); }

/* Longevity section */
.longevity-section {
  background: var(--color-white);
  overflow: hidden;
}

.longevity-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.longevity-visual {
  aspect-ratio: 4/5;
  background:
    linear-gradient(180deg, transparent 40%, rgba(27,57,35,0.6) 100%),
    url('https://images.unsplash.com/photo-1544005313-94ddf0286df2?w=800&q=80') center/cover;
  border-radius: 2px;
}

/* Page hero (subpages) */
.page-hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
  background: var(--color-forest-dark);
  color: var(--color-white);
}

.page-hero .lead { color: rgba(255,255,255,0.75); }

.hero-title-ko {
  display: block;
  margin-top: 0.25em;
  font-size: 0.55em;
  font-weight: 600;
  letter-spacing: -0.02em;
  opacity: 0.85;
}

.page-hero .hero-title-ko {
  color: rgba(255,255,255,0.75);
}

/* Content blocks */
.content-section { padding-block: var(--section-gap); }

.values-grid {
  display: grid;
  gap: 2rem;
}

.value-card {
  padding: 2rem;
  border-left: 3px solid var(--color-gold);
  background: var(--color-white);
}

.value-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

/* Pipeline list */
.pipeline-list { display: grid; gap: 1rem; }

.pipeline-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-stone);
  transition: border-color 0.3s;
}

.pipeline-item:hover { border-color: var(--color-gold); }

.pipeline-item h4 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.pipeline-item p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* GTM grid */
.showcase-grid {
  display: grid;
  gap: 1.5rem;
}

.showcase-card {
  background: var(--color-white);
  border: 1px solid var(--color-stone);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out);
}

.showcase-card:hover { transform: translateY(-4px); }

.showcase-thumb {
  aspect-ratio: 16/10;
  background: var(--color-stone) center/cover;
}

.showcase-body { padding: 1.5rem; }

/* Contact form */
.contact-form {
  max-width: 36rem;
  display: grid;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-stone);
  background: var(--color-white);
  font: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-forest);
}

.form-group textarea { min-height: 8rem; resize: vertical; }

.alert-success {
  padding: 1rem 1.25rem;
  background: rgba(27,57,35,0.08);
  border-left: 3px solid var(--color-forest);
  color: var(--color-forest);
}

.alert-error {
  padding: 1rem 1.25rem;
  background: rgba(180, 40, 40, 0.08);
  border-left: 3px solid #b42828;
  color: #8f1f1f;
}

/* Footer */
.site-footer {
  background: var(--color-forest-dark);
  color: rgba(255,255,255,0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand .logo img { height: 1.75rem; filter: brightness(0) invert(1); }

.footer-tagline {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-gold-light);
}

.footer-nav {
  display: grid;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: 0.75rem;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.footer-nav a:hover { opacity: 1; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.8125rem;
  opacity: 0.6;
}

/* Animations — fade in on enter, fade out on leave */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.85s var(--ease-out),
    transform 0.85s var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero-adjacent banners — rise only, opacity stays 1 */
.reveal.board-page-intro__card,
.reveal.app-features__card,
.reveal.app-features-cta,
.reveal.draft-showcase-bleed {
  opacity: 1;
  will-change: transform;
}

.reveal.board-page-intro__card.is-visible,
.reveal.app-features__card.is-visible,
.reveal.app-features-cta.is-visible,
.reveal.draft-showcase-bleed.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Responsive */
@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .nav-toggle, .nav-mobile { display: none; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .pillars-grid { grid-template-columns: repeat(3, 1fr); }
  .longevity-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .showcase-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   DEBUT-INSPIRED — Bold landing & about layouts
   Ref: https://www.debutbiotech.com/
   ============================================================ */

.display-mega {
  font-family: var(--font-body);
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.display-mega-sm {
  font-family: var(--font-body);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.btn-outline-light {
  border: 1px solid rgba(255,255,255,0.45);
  color: #fff;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--color-forest-dark);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 0.875rem;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Hero Debut */
.hero-debut {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  color: #fff;
  overflow: hidden;
}

.hero-debut--about {
  min-height: calc(85vh * 0.85);
}

@media (min-width: 768px) {
  .hero-debut--about {
    min-height: 680px;
  }
}

.hero-debut__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(10,22,14,0.97) 0%, rgba(27,57,35,0.55) 45%, rgba(10,22,14,0.92) 100%),
    url('https://images.unsplash.com/photo-1532187863486-abf9db5811c6?w=1920&q=80') center/cover;
}

.hero-debut__bg--about {
  background:
    linear-gradient(200deg, rgba(10,22,14,0.95) 0%, rgba(27,57,35,0.4) 60%, rgba(158,122,68,0.15) 100%),
    var(--about-hero-image, url('../images/hero-about2.jpg')) center/cover no-repeat;
}

.hero-debut__grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-debut__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(3rem, 8vh, 6rem);
  max-width: 1100px;
}

.hero-debut__tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 2rem;
}

.hero-debut__headline {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(2.5rem, 7.5vw, 6.5rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.hero-debut__headline--about {
  font-size: clamp(2.25rem, 6.5vw, 5.5rem);
}

.hero-debut__line {
  display: block;
}

.hero-debut__brand {
  color: var(--color-gold-light);
}

.hero-debut__line--accent {
  background: linear-gradient(90deg, #fff 0%, var(--color-point) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-debut__desc {
  margin-top: 2rem;
  max-width: 32rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}

.hero-debut__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-debut__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.4;
  color: #fff;
  z-index: 2;
}

.scroll-dot {
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.3; }
}

/* Marquee */
.marquee {
  background: var(--color-forest);
  color: rgba(255,255,255,0.85);
  padding: 0.875rem 0;
  overflow: hidden;
  border-block: 1px solid rgba(255,255,255,0.08);
}

.marquee__track {
  display: flex;
  gap: 4rem;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.marquee__track span::after {
  content: '◆';
  margin-left: 4rem;
  opacity: 0.35;
  font-size: 0.5rem;
  vertical-align: middle;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Statement stack */
.statement-debut {
  padding-block: clamp(5rem, 12vh, 9rem);
  background: var(--color-bg-subtle);
}

.statement-debut--invert {
  background: var(--color-white);
}

.statement-debut__eyebrow {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 2.5rem;
}

.statement-debut__stack {
  margin: 0 0 2.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 4.75rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.statement-debut__stack--en {
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 500;
}

.statement-debut__line {
  display: block;
}

.statement-debut__line--muted {
  color: var(--color-muted);
}

.statement-debut__line--accent {
  color: var(--color-point);
}

.statement-debut__desc {
  max-width: 38rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

/* Platform stats */
.platform-debut {
  padding-block: clamp(5rem, 10vh, 8rem);
  background: var(--color-ink);
  color: #fff;
}

.platform-debut__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 3rem;
}

.platform-debut__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  margin: 0;
}

.platform-debut__grid dd,
.platform-debut__grid dt {
  margin: 0;
}

.platform-debut__card {
  background: var(--color-ink);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  transition: background 0.4s;
}

.platform-debut__card:hover {
  background: rgba(27,57,35,0.35);
}

.platform-debut__card.is-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--color-forest-dark) 0%, var(--color-forest) 100%);
}

.platform-debut__card.is-featured .platform-debut__value {
  font-size: clamp(3rem, 8vw, 6rem);
}

.platform-debut__value {
  font-family: var(--font-body);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-gold-light);
}

.platform-debut__label {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* Mission strip */
.mission-debut {
  padding-block: clamp(4rem, 10vh, 7rem);
  background: var(--color-forest);
  color: #fff;
  text-align: center;
}

.mission-debut--full {
  background: var(--color-forest-dark);
}

.mission-debut__inner {
  max-width: 52rem;
  margin-inline: auto;
}

.mission-debut__num {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--color-gold-light);
  margin-bottom: 1.5rem;
}

.mission-debut__text {
  margin: 0 0 2rem;
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Showroom */
.showroom-debut {
  padding-block: var(--section-gap);
  background: var(--color-forest-dark);
  color: #fff;
  overflow: hidden;
}

.showroom-debut__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.showroom-debut__visual {
  aspect-ratio: 1;
  background:
    linear-gradient(135deg, rgba(158,122,68,0.2) 0%, transparent 60%),
    url('https://images.unsplash.com/photo-1570172619644-dfd03ed5d881?w=800&q=80') center/cover;
  min-height: 320px;
}

/* Closing CTA */
.closing-debut {
  padding-block: clamp(5rem, 12vh, 9rem);
  background: var(--color-bg-subtle);
  text-align: center;
}

.closing-debut__title {
  margin: 0 0 2.5rem;
  font-family: var(--font-body);
  font-size: clamp(1.75rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: 20ch;
  margin-inline: auto;
}

/* About editorial */
.about-editorial {
  padding-block: var(--section-gap);
}

.about-editorial__grid {
  display: grid;
  gap: 0;
}

.about-editorial__block {
  padding: clamp(2.5rem, 6vw, 4rem);
  background: var(--color-white);
}

.about-editorial__block--dark {
  background: var(--color-forest-dark);
  color: #fff;
}

.about-editorial__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.about-editorial__block--dark .about-editorial__label {
  color: var(--color-gold-light);
}

/* Values debut */
.values-debut {
  padding-block: var(--section-gap);
  background: var(--color-bg-subtle);
}

.values-debut__grid {
  display: grid;
  gap: 1.5rem;
}

.values-debut__card {
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-white);
  border: 1px solid var(--color-stone);
  transition: transform 0.4s var(--ease-out), border-color 0.3s;
}

.values-debut__card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
}

.values-debut__num {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
}

.values-debut__card h3 {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.values-debut__card p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
}

/* Team debut */
.team-debut {
  position: relative;
  padding-block: var(--section-gap);
  background: var(--color-white);
  overflow: hidden;
}

.team-debut__inner {
  position: relative;
  z-index: 2;
}

.team-debut__visual {
  position: absolute;
  right: -10%;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  aspect-ratio: 3/4;
  background:
    linear-gradient(90deg, var(--color-white) 0%, transparent 30%),
    url('https://images.unsplash.com/photo-1515377905703-c4788e51af15?w=700&q=80') center/cover;
  opacity: 0.35;
  pointer-events: none;
}

/* Pillars on home — bolder section title */
.page-home #platform .section-header .display-lg,
.page-home #platform .section-header h2 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.025em;
}

@media (min-width: 768px) {
  .platform-debut__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .platform-debut__card.is-featured {
    grid-column: span 3;
  }

  .showroom-debut__grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-editorial__grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-debut__scroll { display: flex; }
}

@media (max-width: 767px) {
  .hero-debut__scroll { display: none; }
  .team-debut__visual { display: none; }
}

/* FAQ — SEO/AEO visible Q&A (matches FAQPage schema) */
.faq-section {
  padding-block: var(--section-gap);
  background: var(--color-white);
}

.faq-section__header {
  margin-bottom: 2.5rem;
  max-width: 40rem;
}

.faq-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-stone);
}

.faq-item {
  border-bottom: 1px solid var(--color-stone);
}

.faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  cursor: pointer;
  list-style: none;
}

.faq-item__summary::-webkit-details-marker { display: none; }

.faq-item__question {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.faq-item[open] .faq-item__question {
  color: var(--color-point);
}

.faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__icon {
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}

.faq-item__answer p {
  margin: 0 0 1.5rem;
  padding-right: 2rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 52rem;
}