:root {
  --black: #070708;
  --off-black: #0d0d0f;
  --deep: #111114;
  --surface: #161618;
  --rule: rgba(255,255,255,0.08);
  --rule-bright: rgba(255,255,255,0.18);
  --white: #f5f4f0;
  --muted: rgba(245,244,240,0.45);
  --faint: rgba(245,244,240,0.18);
  --accent: #c8b89a;
  --accent2: #7eb8c9;
  --gem-green: #4a9b7f;
  --gem-blue: #3a7bbf;
  --gem-red: #bf3a4a;
  --mono: 'DM Mono', monospace;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Raleway', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* CUSTOM CURSOR */
.cursor {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--white);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, opacity 0.2s;
  mix-blend-mode: difference;
}
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.12s ease;
  mix-blend-mode: difference;
}
body:hover .cursor { opacity: 1; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 2px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--accent); }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 60px;
  background: transparent;
  transition: background 0.4s, padding 0.4s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(7,7,8,0.92);
  backdrop-filter: blur(20px);
  padding: 18px 60px;
  border-bottom: 1px solid var(--rule);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-decoration: none;
  color: var(--white);
  display: flex; align-items: center; gap: 12px;
}
.nav-logo-mark {
  width: 28px; height: 28px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-gem {
  width: 18px; height: 18px;
  background: linear-gradient(135deg, rgba(200,184,154,0.9), rgba(126,184,201,0.6));
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  animation: gemPulse 4s ease-in-out infinite;
}
@keyframes gemPulse {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}
.nav-links {
  display: flex; gap: 40px; list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  padding: 10px 22px;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}
.nav-cta:hover { background: var(--accent); }

/* SECTION BASE */
section { position: relative; }

/* ─── HERO ─── */
#hero {
  height: 100vh; min-height: 700px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 60%, rgba(74,155,127,0.08) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 70% 30%, rgba(58,123,191,0.07) 0%, transparent 50%),
              radial-gradient(ellipse 50% 50% at 30% 70%, rgba(191,58,74,0.05) 0%, transparent 50%),
              var(--black);
}
.hero-gem-container {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.hero-gem-3d {
  width: 600px; height: 600px;
  position: relative;
  animation: heroGemRotate 20s linear infinite;
  opacity: 0.12;
}
@keyframes heroGemRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.hero-gem-3d svg { width: 100%; height: 100%; }
.hero-scan-lines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,0.012) 3px, rgba(255,255,255,0.012) 4px);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 900px;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 1s 0.2s forwards;
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 9vw, 8.5rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 1s 0.5s forwards;
}
.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}
.hero-sub {
  font-family: var(--sans);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: 200;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 56px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  opacity: 0;
  animation: fadeUp 1s 0.8s forwards;
}
.hero-actions {
  display: flex; align-items: center; gap: 32px; justify-content: center;
  opacity: 0;
  animation: fadeUp 1s 1.1s forwards;
}
.btn-primary {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  padding: 16px 40px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.btn-primary:hover::after { transform: translateX(0); }
.btn-primary span { position: relative; z-index: 1; }
.btn-ghost {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  display: flex; align-items: center; gap: 10px;
  transition: color 0.3s;
}
.btn-ghost:hover { color: var(--white); }
.btn-ghost-arrow { font-size: 0.8rem; }
.hero-scroll-indicator {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: 0;
  animation: fadeUp 1s 1.5s forwards;
}
.hero-scroll-indicator span {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── MARQUEE ─── */
.marquee-strip {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
  overflow: hidden;
  background: var(--off-black);
}
.marquee-inner {
  display: flex; gap: 80px;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}
.marquee-inner:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 20px;
  flex-shrink: 0;
}
.marquee-item::before {
  content: '◆';
  font-size: 0.35rem;
  color: var(--accent);
}

/* ─── SECTION HEADER ─── */
.section-header {
  margin-bottom: 80px;
}
.section-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 30px; height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.section-title em {
  font-style: italic;
  color: var(--muted);
}

/* ─── CONTAINER ─── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 60px;
}
.pad-section {
  padding: 140px 0;
}

/* ─── TECHNOLOGY ─── */
#technology { background: var(--off-black); }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 60px;
}
.tech-card {
  background: var(--off-black);
  padding: 48px 36px;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}
.tech-card:hover { background: var(--surface); }
.tech-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transition: transform 0.4s;
  transform-origin: left;
}
.tech-card:hover::after { transform: scaleX(1); }
.tech-icon {
  width: 48px; height: 48px;
  margin-bottom: 28px;
  position: relative;
}
.tech-icon-svg {
  width: 100%; height: 100%;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.2;
}
.tech-num {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--faint);
  margin-bottom: 16px;
}
.tech-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 16px;
  line-height: 1.2;
}
.tech-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 200;
}

/* ─── PASSPORT ─── */
#passport { background: var(--black); }
.passport-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.passport-visual {
  position: relative;
  aspect-ratio: 3/4;
  max-height: 600px;
}
.passport-card {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #141416 0%, #1a1a1e 50%, #141416 100%);
  border: 1px solid var(--rule-bright);
  padding: 40px;
  display: flex; flex-direction: column;
  gap: 20px;
  overflow: hidden;
}
.passport-card::before {
  content: '';
  position: absolute; top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(74,155,127,0.12) 0%, transparent 60%);
  border-radius: 50%;
}
.passport-card-header {
  display: flex; justify-content: space-between; align-items: flex-start;
}
.passport-card-logo {
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.passport-card-id {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--faint);
}
.passport-gem-image {
  flex: 1;
  background: linear-gradient(135deg, rgba(74,155,127,0.15), rgba(58,123,191,0.1));
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.passport-gem-shape {
  width: 120px; height: 120px;
  position: relative;
  animation: passportGemFloat 6s ease-in-out infinite;
}
@keyframes passportGemFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-8px) rotate(2deg); }
  66% { transform: translateY(4px) rotate(-1deg); }
}
.passport-gem-facets {
  width: 100%; height: 100%;
  position: relative;
}
.passport-scan-bar {
  position: absolute; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(74,155,127,0.6), transparent);
  animation: scanBar 3s ease-in-out infinite;
}
@keyframes scanBar {
  0% { top: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
.passport-fields {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.passport-field {}
.passport-field-label {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 4px;
}
.passport-field-value {
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--white);
}
.passport-blockchain {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}
.passport-hash {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  color: var(--faint);
  word-break: break-all;
}
.passport-verified {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  color: var(--gem-green);
  margin-bottom: 8px;
}
.passport-verified::before {
  content: '●';
  font-size: 0.5rem;
  animation: verifiedPulse 2s ease-in-out infinite;
}
@keyframes verifiedPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.passport-text-col {}
.passport-features {
  list-style: none;
  margin-top: 48px;
  display: flex; flex-direction: column; gap: 0;
}
.passport-feature {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  display: flex; gap: 24px; align-items: flex-start;
}
.passport-feature:first-child { border-top: 1px solid var(--rule); }
.passport-feature-num {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  color: var(--faint);
  flex-shrink: 0;
  padding-top: 3px;
}
.passport-feature-name {
  font-family: var(--serif);
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.passport-feature-desc {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 200;
  line-height: 1.6;
}

/* ─── LAB ─── */
#lab { background: var(--deep); }
.lab-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: start;
}
.lab-intro-text {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 48px;
  font-style: italic;
}
.lab-studies {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.lab-study {
  background: var(--deep);
  padding: 40px 32px;
  transition: background 0.3s;
  position: relative;
}
.lab-study:hover { background: var(--surface); }
.lab-study-icon {
  font-size: 1.5rem;
  margin-bottom: 20px;
  display: block;
  opacity: 0.7;
}
.lab-study-name {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.lab-study-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 200;
}
.lab-study-tag {
  position: absolute; top: 16px; right: 16px;
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.15em;
  color: var(--faint);
}

/* ─── GALLERY ─── */
#gallery { background: var(--black); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.gem-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
  cursor: none;
  transition: border-color 0.3s;
}
.gem-card:hover { border-color: var(--rule-bright); }
.gem-card-visual {
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.gem-aura {
  position: absolute; inset: 0;
  transition: opacity 0.4s;
}
.gem-aura-emerald {
  background: radial-gradient(circle at 50% 50%, rgba(74,155,127,0.25) 0%, rgba(20,80,50,0.15) 40%, transparent 70%);
}
.gem-aura-sapphire {
  background: radial-gradient(circle at 50% 50%, rgba(58,123,191,0.25) 0%, rgba(20,40,100,0.15) 40%, transparent 70%);
}
.gem-aura-ruby {
  background: radial-gradient(circle at 50% 50%, rgba(191,58,74,0.25) 0%, rgba(100,20,30,0.15) 40%, transparent 70%);
}
.gem-card:hover .gem-aura { opacity: 1.5; }
.gem-svg-wrapper {
  position: relative; z-index: 1;
  width: 180px; height: 180px;
  animation: gemFloat 8s ease-in-out infinite;
}
.gem-svg-wrapper:nth-child(2) { animation-delay: -2.5s; }
.gem-svg-wrapper:nth-child(3) { animation-delay: -5s; }
@keyframes gemFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  25% { transform: translateY(-10px) rotate(3deg) scale(1.02); }
  75% { transform: translateY(6px) rotate(-2deg) scale(0.99); }
}
.gem-card-info {
  padding: 28px 28px 32px;
  border-top: 1px solid var(--rule);
}
.gem-card-origin {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.gem-card-name {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 4px;
}
.gem-card-type {
  font-family: var(--serif);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 20px;
}
.gem-card-specs {
  display: flex; gap: 20px;
}
.gem-spec {}
.gem-spec-label {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  color: var(--faint);
  margin-bottom: 2px;
}
.gem-spec-value {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}
.gem-card-actions {
  display: flex; gap: 12px;
  padding: 16px 28px;
  border-top: 1px solid var(--rule);
}
.gem-action-btn {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--rule-bright);
  background: transparent;
  color: var(--muted);
  cursor: none;
  transition: all 0.25s;
}
.gem-action-btn:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ─── AI TOOL ─── */
#ai-tool { background: var(--off-black); }
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.ai-upload-zone {
  border: 1px dashed rgba(255,255,255,0.2);
  aspect-ratio: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
  cursor: pointer;
}
.ai-upload-zone:hover {
  border-color: var(--accent);
  border-style: solid;
}
.ai-upload-zone::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(200,184,154,0.04) 0%, transparent 60%);
}
.ai-upload-icon {
  width: 60px; height: 60px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 1;
  transition: stroke 0.3s;
}
.ai-upload-zone:hover .ai-upload-icon { stroke: var(--accent); }
.ai-upload-text {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--muted);
  font-style: italic;
}
.ai-upload-subtext {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--faint);
}
.ai-results {}
.ai-results-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  margin-bottom: 32px;
  color: var(--muted);
  font-style: italic;
}
.ai-result-items {
  display: flex; flex-direction: column; gap: 20px;
}
.ai-result-item {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--rule);
  position: relative;
}
.ai-result-label {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.ai-result-value {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 6px;
}
.ai-result-confidence {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--faint);
  display: flex; align-items: center; gap: 10px;
}
.ai-confidence-bar {
  flex: 1;
  height: 1px;
  background: var(--rule);
  position: relative;
}
.ai-confidence-fill {
  position: absolute; top: 0; left: 0; bottom: 0;
  background: var(--accent);
  transition: width 1s ease;
}
.ai-demo-tag {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--faint);
  margin-top: 24px;
  text-align: center;
}

/* ─── SHOWROOM ─── */
#showroom { background: var(--deep); }
.showroom-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.showroom-address-block {
  margin-top: 48px;
}
.showroom-city {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  margin-bottom: 8px;
}
.showroom-address {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  line-height: 2;
  margin-bottom: 40px;
}
.showroom-details {
  display: flex; flex-direction: column; gap: 16px;
}
.showroom-detail {
  display: flex; gap: 20px; align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.showroom-detail-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--faint);
  width: 80px;
  flex-shrink: 0;
}
.showroom-detail-value {
  font-size: 0.85rem;
  color: var(--muted);
}
.showroom-map {
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.showroom-map iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  filter: grayscale(100%) invert(92%) contrast(120%);
  pointer-events: auto;
}
.showroom-map-grid {
  position: absolute; inset: 0;
  background-image: 
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
}
.showroom-map-dot {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 0 rgba(200,184,154,0.4);
  animation: mapPulse 3s ease-out infinite;
}
@keyframes mapPulse {
  0% { box-shadow: 0 0 0 0 rgba(200,184,154,0.4); }
  70% { box-shadow: 0 0 0 30px rgba(200,184,154,0); }
  100% { box-shadow: 0 0 0 0 rgba(200,184,154,0); }
}
.showroom-map-label {
  position: absolute;
  bottom: 24px; left: 24px;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}

/* ─── PARTNERS ─── */
#partners { background: var(--black); }
.partners-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 60px;
}
.partner-category {
  background: var(--black);
  padding: 48px 36px;
  text-align: center;
  transition: background 0.3s;
}
.partner-category:hover { background: var(--surface); }
.partner-cat-icon {
  font-size: 2rem;
  margin-bottom: 20px;
  display: block;
  opacity: 0.6;
}
.partner-cat-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.partner-cat-desc {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 200;
  line-height: 1.6;
}
.partners-cta {
  text-align: center;
  margin-top: 60px;
}
.partners-cta p {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 32px;
}

/* ─── ABOUT ─── */
#about { background: var(--off-black); }
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}
.about-portrait {
  aspect-ratio: 3/4;
  background: var(--surface);
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.about-portrait-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(74,155,127,0.05) 0%, transparent 50%, rgba(58,123,191,0.05) 100%);
}
.about-portrait-initials {
  font-family: var(--serif);
  font-size: 6rem;
  font-weight: 300;
  color: rgba(255,255,255,0.07);
  position: relative; z-index: 1;
  letter-spacing: -0.05em;
}
.about-portrait-tag {
  position: absolute; bottom: 24px; left: 24px;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--faint);
}
.about-content {}
.about-name {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 8px;
  margin-top: 24px;
}
.about-title {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 32px;
}
.about-bio {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 40px;
}
.about-credentials {
  display: flex; flex-direction: column; gap: 0;
}
.about-credential {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  display: flex; gap: 16px; align-items: center;
}
.about-credential-dot {
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.about-credential-text {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ─── CONTACT ─── */
#contact { background: var(--black); }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.contact-big-text {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-top: 40px;
}
.contact-big-text em {
  font-style: italic;
  color: var(--accent);
}
.contact-form-area {}
.contact-email-display {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--white);
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
  display: flex; align-items: center; gap: 16px;
}
.contact-email-display span { color: var(--faint); font-size: 0.65rem; letter-spacing: 0.2em; }
.contact-form {
  display: flex; flex-direction: column; gap: 16px;
}
.contact-input, .contact-textarea {
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 16px 20px;
  outline: none;
  transition: border-color 0.3s;
  width: 100%;
  resize: none;
}
.contact-input:focus, .contact-textarea:focus {
  border-color: var(--accent);
}
.contact-input::placeholder, .contact-textarea::placeholder {
  color: var(--faint);
  letter-spacing: 0.1em;
}
.contact-textarea { height: 120px; }
.contact-submit {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  padding: 18px 40px;
  border: none;
  cursor: none;
  transition: background 0.3s;
  align-self: flex-start;
}
.contact-submit:hover { background: var(--accent); }

/* ─── FOOTER ─── */
footer {
  background: var(--off-black);
  border-top: 1px solid var(--rule);
  padding: 60px;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}
.footer-brand {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 16px;
}
.footer-tagline {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--faint);
  margin-bottom: 24px;
}
.footer-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 200;
}
.footer-col-title {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 24px;
}
.footer-links {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
}
.footer-links a {
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 200;
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  max-width: 1280px; margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--faint);
}
.footer-legal {
  display: flex; gap: 24px;
}
.footer-legal a {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--faint);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-legal a:hover { color: var(--muted); }

/* DIVIDER */
.rule-line {
  width: 100%; height: 1px;
  background: var(--rule);
}

/* FADE IN ON SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  nav { padding: 24px 32px; }
  nav.scrolled { padding: 16px 32px; }
  .nav-links { display: none; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .passport-layout, .lab-layout, .ai-layout,
  .showroom-layout, .about-layout, .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-categories { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .tech-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .partners-categories { grid-template-columns: 1fr; }
  .lab-studies { grid-template-columns: 1fr; }
  footer { padding: 40px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .pad-section { padding: 80px 0; }
}