/* ─── CROSS-SITE NAVIGATION ─── */
    .site-nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 10000;
      background: var(--black);
      border-bottom: 1px solid var(--mid);
    }
    .site-nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 36px;
    }
    .site-nav-home {
      font-family: var(--serif-display);
      font-size: 13px;
      font-weight: 600;
      color: var(--gold);
      text-decoration: none;
      letter-spacing: 0.02em;
      transition: color 0.3s ease;
    }
    .site-nav-home:hover { color: var(--gold-bright); }
    .site-nav-links { display: flex; gap: 24px; }
    .site-nav-link {
      font-family: var(--mono);
      font-size: 11px;
      font-weight: 400;
      color: var(--ash);
      text-decoration: none;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      transition: color 0.3s ease;
      position: relative;
    }
    .site-nav-link:hover { color: var(--parchment); }
    .site-nav-link.active { color: var(--gold); }
    .site-nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -8px; left: 0;
      width: 100%; height: 1px;
      background: var(--gold);
    }

    :root {
      --black: #0a0a08;
      --off-black: #111110;
      --charcoal: #1c1c1a;
      --mid: #2e2e2b;
      --stone: #4a4a46;
      --ash: #8a8a84;
      --mist: #c8c8c0;
      --parchment: #f0ede6;
      --white: #faf9f6;
      --gold: #c9a84c;
      --gold-dim: #8a6e32;
      --gold-bright: #e8c96a;

      --serif-display: 'Playfair Display', Georgia, serif;
      --serif-body: 'Libre Baskerville', Georgia, serif;
      --mono: 'DM Mono', 'Courier New', monospace;
    }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      background: #0a0a08;
      background: linear-gradient(135deg, #0a0a08, #0a0f18, #0d0a16, #10100e);
      background-size: 400% 400%;
      animation: ambient-bg 30s ease infinite;
      color: var(--parchment);
      font-family: var(--serif-body);
      font-size: 16px;
      line-height: 1.7;
      overflow-x: hidden;
      cursor: none;
    }

    /* ─── CUSTOM CURSOR ─── */
    .cursor {
      width: 8px; height: 8px;
      background: var(--gold);
      border-radius: 50%;
      position: fixed; top: 0; left: 0;
      pointer-events: none; z-index: 9999;
      transform: translate(-50%, -50%);
      transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease, background 0.3s ease;
    }
    .cursor-ring {
      width: 32px; height: 32px;
      border: 1px solid var(--gold);
      border-radius: 50%;
      position: fixed; top: 0; left: 0;
      pointer-events: none; z-index: 9998;
      transform: translate(-50%, -50%);
      transition: transform 0.25s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
      opacity: 0.6;
    }
    body:hover .cursor { opacity: 1; }

    @keyframes ambient-bg {
      0%, 100% { background-position: 0% 0%; }
      25% { background-position: 100% 0%; }
      50% { background-position: 100% 100%; }
      75% { background-position: 0% 100%; }
    }
    body::after {
      content: '';
      position: fixed;
      top: -50%; left: -50%;
      width: 200%; height: 200%;
      background:
        radial-gradient(circle at 30% 25%, rgba(100,149,237,0.04) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(201,168,76,0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 85%, rgba(130,100,220,0.03) 0%, transparent 40%);
      animation: ambient-glow 25s ease infinite;
      pointer-events: none;
      z-index: 0;
    }
    @keyframes ambient-glow {
      0%, 100% { transform: translate(0, 0) rotate(0deg); }
      33% { transform: translate(2%, -1%) rotate(1.5deg); }
      66% { transform: translate(-1%, 2%) rotate(-1deg); }
    }
    #ambientCanvas {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      pointer-events: none;
      z-index: 1;
    }

    /* ─── LAYOUT ─── */
    .container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 48px;
    }

    /* ─── NAV ─── */
    nav {
      position: fixed; top: 36px; left: 0; right: 0;
      z-index: 900;
      padding: 28px 0;
      border-bottom: 1px solid transparent;
      transition: border-color 0.4s ease, background 0.4s ease, padding 0.4s ease;
    }
    nav.scrolled {
      background: rgba(10,10,8,0.96);
      border-color: var(--charcoal);
      padding: 18px 0;
      backdrop-filter: blur(12px);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-logo {
      display: flex; flex-direction: column; gap: 2px;
    }
    .nav-logo-name {
      font-family: var(--serif-display);
      font-size: 18px;
      font-weight: 600;
      letter-spacing: 0.04em;
      color: var(--white);
    }
    .nav-logo-sub {
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.3em;
      color: var(--gold);
      text-transform: uppercase;
    }
    .nav-links {
      display: flex; gap: 48px;
      list-style: none;
    }
    .nav-links a {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--ash);
      text-decoration: none;
      position: relative;
      transition: color 0.3s ease;
    }
    .nav-links a::after {
      content: '';
      position: absolute; bottom: -4px; left: 0; right: 0;
      height: 1px;
      background: var(--gold);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }
    .nav-links a:hover { color: var(--parchment); }
    .nav-links a:hover::after { transform: scaleX(1); }

    /* ─── HERO ─── */
    .hero {
      min-height: 100vh;
      display: flex; flex-direction: column; justify-content: flex-end;
      padding-bottom: 80px;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
      background-size: 80px 80px;
      animation: grid-drift 40s linear infinite;
    }
    @keyframes grid-drift {
      0% { transform: translate(0, 0); }
      100% { transform: translate(80px, 80px); }
    }

    .hero-rule {
      position: absolute;
      top: 0; right: 120px;
      width: 1px; height: 100%;
      background: linear-gradient(to bottom, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
      opacity: 0.15;
    }

    .hero-content { position: relative; z-index: 2; }

    .hero-eyebrow {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.4em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 32px;
      display: flex; align-items: center; gap: 24px;
    }
    .hero-eyebrow::before {
      content: '';
      display: block;
      width: 48px; height: 1px;
      background: var(--gold);
    }

    .hero-headline {
      font-family: var(--serif-display);
      font-size: clamp(48px, 7vw, 108px);
      font-weight: 400;
      line-height: 1.0;
      letter-spacing: -0.02em;
      color: var(--white);
      max-width: 900px;
      margin-bottom: 48px;
    }
    .hero-headline em { font-style: italic; color: var(--gold); }

    .hero-bottom {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
    }

    .hero-descriptor {
      max-width: 420px;
      font-size: 14px;
      color: var(--ash);
      line-height: 1.8;
    }

    .hero-metrics { display: flex; gap: 64px; }
    .hero-metric { text-align: right; }
    .hero-metric-value {
      font-family: var(--serif-display);
      font-size: 36px;
      font-weight: 600;
      color: var(--white);
      display: block;
      line-height: 1;
    }
    .hero-metric-value span.gold { color: var(--gold); }
    .hero-metric-label {
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--stone);
      display: block;
      margin-top: 8px;
    }

    .scroll-indicator {
      position: absolute;
      bottom: 40px; left: 50%;
      transform: translateX(-50%);
      display: flex; flex-direction: column; align-items: center; gap: 12px;
    }
    .scroll-indicator span {
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.4em;
      text-transform: uppercase;
      color: var(--stone);
      writing-mode: vertical-rl;
    }
    .scroll-line {
      width: 1px; height: 60px;
      background: linear-gradient(to bottom, var(--gold), transparent);
      animation: scroll-pulse 2s ease-in-out infinite;
    }
    @keyframes scroll-pulse {
      0%, 100% { opacity: 0.3; transform: scaleY(1); }
      50% { opacity: 1; transform: scaleY(1.2); }
    }

    /* ─── SECTION SHARED ─── */
    section { position: relative; }

    .section-header {
      display: flex;
      align-items: baseline;
      gap: 32px;
      margin-bottom: 80px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--charcoal);
    }
    .section-number {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.3em;
      color: var(--gold);
    }
    .section-title {
      font-family: var(--serif-display);
      font-size: clamp(28px, 4vw, 52px);
      font-weight: 400;
      color: var(--white);
      line-height: 1.1;
    }
    .section-title em { font-style: italic; color: var(--gold); }

    /* ─── TICKER ─── */
    .ticker-bar {
      background: var(--off-black);
      border-top: 1px solid var(--charcoal);
      border-bottom: 1px solid var(--charcoal);
      padding: 16px 0;
      overflow: hidden;
    }
    .ticker-track {
      display: flex; gap: 60px;
      animation: ticker-scroll 40s linear infinite;
      width: max-content;
    }
    @keyframes ticker-scroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    .ticker-item {
      display: flex; align-items: center; gap: 60px;
      white-space: nowrap;
    }
    .ticker-label {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--ash);
    }
    .ticker-item::after {
      content: '\25C6';
      font-size: 6px;
      color: var(--gold-dim);
    }

    /* ─── DOMAINS ─── */
    .domains {
      padding: 140px 0;
      border-bottom: 1px solid var(--charcoal);
    }

    .domains-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
    }

    .domain-card {
      background: var(--off-black);
      padding: 48px 40px;
      position: relative;
      overflow: hidden;
      transition: background 0.4s ease;
      cursor: default;
    }
    .domain-card:hover { background: var(--charcoal); }

    .domain-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(to right, transparent, var(--gold), transparent);
      transform: scaleX(0);
      transition: transform 0.5s ease;
    }
    .domain-card:hover::before { transform: scaleX(1); }

    .domain-num {
      font-family: var(--mono);
      font-size: 48px;
      color: var(--charcoal);
      line-height: 1;
      margin-bottom: 24px;
      font-weight: 500;
      transition: color 0.4s ease;
    }
    .domain-card:hover .domain-num { color: var(--mid); }

    .domain-icon {
      width: 48px;
      height: 48px;
      color: var(--gold);
      margin-bottom: 24px;
      opacity: 0.7;
      transition: opacity 0.4s ease;
    }
    .domain-card:hover .domain-icon { opacity: 1; }

    .domain-title {
      font-family: var(--serif-display);
      font-size: 22px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 16px;
      line-height: 1.2;
    }
    .domain-desc {
      font-size: 13px;
      color: var(--ash);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .domain-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .domain-tags span {
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--stone);
      padding: 6px 12px;
      border: 1px solid var(--charcoal);
      transition: border-color 0.3s ease, color 0.3s ease;
    }
    .domain-card:hover .domain-tags span {
      border-color: var(--gold-dim);
      color: var(--ash);
    }

    /* ─── PHILOSOPHY ─── */
    .philosophy {
      padding: 160px 0;
      border-bottom: 1px solid var(--charcoal);
      background: var(--off-black);
    }

    .philosophy-inner {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 120px;
    }

    .pullquote {
      font-family: var(--serif-display);
      font-size: clamp(28px, 3.5vw, 52px);
      font-weight: 400;
      font-style: italic;
      color: var(--white);
      line-height: 1.25;
      position: relative;
      padding-left: 40px;
    }
    .pullquote::before {
      content: '';
      position: absolute; left: 0; top: 8px;
      width: 2px; height: 80%;
      background: var(--gold);
    }

    .philosophy-principles {
      display: flex; flex-direction: column; gap: 0;
    }
    .principle {
      padding: 32px 0;
      border-bottom: 1px solid var(--charcoal);
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 24px;
      align-items: start;
      transition: background 0.3s ease;
      cursor: default;
    }
    .principle:first-child { border-top: 1px solid var(--charcoal); }
    .principle:hover { background: rgba(201,168,76,0.03); }
    .principle-num {
      font-family: var(--mono);
      font-size: 10px;
      color: var(--gold);
      letter-spacing: 0.1em;
      padding-top: 6px;
    }
    .principle-title {
      font-family: var(--serif-display);
      font-size: 20px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 8px;
    }
    .principle-desc {
      font-size: 13px;
      color: var(--ash);
      line-height: 1.7;
    }

    /* ─── STACK ─── */
    .stack-section {
      padding: 140px 0;
      border-bottom: 1px solid var(--charcoal);
    }

    .stack-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
    }

    .stack-category {
      background: var(--off-black);
      padding: 40px 36px;
      transition: background 0.3s ease;
    }
    .stack-category:hover { background: var(--charcoal); }

    .stack-cat-title {
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 24px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--charcoal);
    }

    .stack-items {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .stack-items span {
      font-family: var(--mono);
      font-size: 12px;
      color: var(--mist);
      padding: 8px 14px;
      border: 1px solid var(--mid);
      transition: border-color 0.3s ease, color 0.3s ease;
    }
    .stack-category:hover .stack-items span {
      border-color: var(--gold-dim);
    }

    /* ─── OPEN SOURCE ─── */
    .oss-section {
      padding: 140px 0;
      border-bottom: 1px solid var(--charcoal);
      background: var(--off-black);
    }

    .oss-inner {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 80px;
      align-items: start;
    }

    .oss-statement p {
      font-size: 16px;
      color: var(--mist);
      line-height: 1.9;
      margin-bottom: 24px;
    }
    .oss-statement p:first-child {
      font-size: 20px;
      font-family: var(--serif-display);
      font-weight: 400;
      font-style: italic;
      color: var(--parchment);
    }

    .oss-badge {
      background: var(--charcoal);
      padding: 32px;
      border: 1px solid var(--mid);
    }
    .oss-badge-label {
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--gold);
      display: block;
      margin-bottom: 12px;
    }
    .oss-badge-value {
      font-family: var(--serif-display);
      font-size: 18px;
      color: var(--white);
    }

    /* ─── PRINCIPLES TICKER ─── */
    .principles-marquee {
      padding: 40px 0;
      border-bottom: 1px solid var(--charcoal);
      overflow: hidden;
    }
    .marquee-track {
      display: flex; gap: 80px;
      animation: ticker-scroll 20s linear infinite;
      width: max-content;
    }
    .marquee-item {
      font-family: var(--serif-display);
      font-size: 20px;
      font-style: italic;
      color: var(--stone);
      white-space: nowrap;
      display: flex; align-items: center; gap: 80px;
    }
    .marquee-item::after {
      content: '\25C6';
      font-size: 8px;
      color: var(--gold);
      font-style: normal;
    }

    /* ─── FOOTER ─── */
    .footer-section { padding: 140px 0 80px; }

    .footer-top {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 120px;
      margin-bottom: 120px;
    }

    .footer-headline {
      font-family: var(--serif-display);
      font-size: clamp(32px, 4vw, 64px);
      font-weight: 400;
      color: var(--white);
      line-height: 1.1;
    }
    .footer-headline em { font-style: italic; color: var(--gold); }

    .contact-label {
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 16px;
      display: block;
    }
    .contact-email {
      font-family: var(--serif-display);
      font-size: 24px;
      color: var(--parchment);
      text-decoration: none;
      display: block;
      margin-bottom: 48px;
      transition: color 0.3s ease;
    }
    .contact-email:hover { color: var(--gold); }

    .cta-btn {
      display: inline-flex;
      align-items: center; gap: 16px;
      padding: 18px 40px;
      background: transparent;
      border: 1px solid var(--gold);
      color: var(--gold);
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      text-decoration: none;
      cursor: none;
      transition: background 0.3s ease, color 0.3s ease;
    }
    .cta-btn:hover { background: var(--gold); color: var(--black); }
    .cta-btn .arrow { transition: transform 0.3s ease; }
    .cta-btn:hover .arrow { transform: translateX(8px); }

    .footer-site-links {
      display: flex;
      gap: 24px;
      padding: 24px 0;
      border-top: 1px solid var(--charcoal);
    }
    .footer-site-links a {
      font-family: var(--mono);
      font-size: 11px;
      color: var(--ash);
      text-decoration: none;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      transition: color 0.3s ease;
    }
    .footer-site-links a:hover { color: var(--gold); }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 40px;
      border-top: 1px solid var(--charcoal);
    }
    .footer-copy {
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.2em;
      color: var(--stone);
    }
    .footer-disclaimer {
      font-family: var(--mono);
      font-size: 9px;
      color: var(--stone);
      max-width: 500px;
      text-align: right;
      line-height: 1.6;
    }

    /* ─── AMBIENT IDLE ANIMATIONS ─── */
    .hero-eyebrow::before {
      animation: line-breathe 4s ease-in-out infinite;
    }
    @keyframes line-breathe {
      0%, 100% { opacity: 0.6; width: 48px; }
      50% { opacity: 1; width: 64px; }
    }
    .hero-headline em, .section-title em {
      text-shadow: 0 0 30px rgba(201,168,76,0);
      animation: gold-glow 6s ease-in-out infinite;
    }
    @keyframes gold-glow {
      0%, 100% { text-shadow: 0 0 20px rgba(201,168,76,0); }
      50% { text-shadow: 0 0 40px rgba(201,168,76,0.2); }
    }
    .section-number {
      animation: num-pulse 5s ease-in-out infinite;
    }
    @keyframes num-pulse {
      0%, 100% { opacity: 0.15; }
      50% { opacity: 0.3; }
    }
    .domain-num {
      animation: num-float 8s ease-in-out infinite;
    }
    @keyframes num-float {
      0%, 100% { transform: translateY(0); opacity: 0.12; }
      50% { transform: translateY(-4px); opacity: 0.22; }
    }
    .domain-card:nth-child(2) .domain-num { animation-delay: -1.5s; }
    .domain-card:nth-child(3) .domain-num { animation-delay: -3s; }
    .domain-card:nth-child(4) .domain-num { animation-delay: -4.5s; }
    .domain-icon svg {
      animation: icon-breathe 5s ease-in-out infinite;
    }
    @keyframes icon-breathe {
      0%, 100% { opacity: 0.5; transform: scale(1); }
      50% { opacity: 0.75; transform: scale(1.05); }
    }
    .domain-card:nth-child(2) .domain-icon svg { animation-delay: -1s; }
    .domain-card:nth-child(3) .domain-icon svg { animation-delay: -2s; }
    .principle-num {
      animation: pillar-pulse 7s ease-in-out infinite;
    }
    @keyframes pillar-pulse {
      0%, 100% { opacity: 0.3; }
      50% { opacity: 0.6; }
    }
    .principle:nth-child(2) .principle-num { animation-delay: -2s; }
    .principle:nth-child(3) .principle-num { animation-delay: -4s; }
    .principle:nth-child(4) .principle-num { animation-delay: -6s; }
    .marquee-item::after {
      animation: diamond-pulse 3s ease-in-out infinite;
    }
    @keyframes diamond-pulse {
      0%, 100% { opacity: 0.4; transform: scale(1); }
      50% { opacity: 1; transform: scale(1.3); }
    }
    .stack-items span {
      animation: stack-shimmer 4s ease-in-out infinite;
    }
    @keyframes stack-shimmer {
      0%, 100% { border-color: var(--charcoal); }
      50% { border-color: var(--mid); }
    }

    /* ─── ANIMATIONS ─── */
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      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; }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 1024px) {
      .container { padding: 0 32px; }
      .philosophy-inner, .footer-top, .oss-inner { grid-template-columns: 1fr; gap: 60px; }
      .domains-grid, .stack-grid { grid-template-columns: 1fr 1fr; }
      .hero-metrics { gap: 40px; }
    }
    @media (max-width: 768px) {
      .container { padding: 0 24px; }
      .nav-links { display: none; }
      .domains-grid, .stack-grid { grid-template-columns: 1fr; }
      .hero-bottom { flex-direction: column; gap: 48px; align-items: flex-start; }
    }