html[lang="en"] [data-fr] { display: none !important; }
  html[lang="fr"] [data-en] { display: none !important; }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --bg:        #13161b;
    --surface:   #1c2028;
    --surface2:  #232830;
    --surface3:  #191d24;
    --teal:      #1ac8c8;
    --teal-dim:  #0e9090;
    --coral:     #f07a6e;
    --coral-dim: #c25a50;
    --amber:     #f5a623;
    --white:     #eef1f5;
    --muted:     #8e9aaa;
    --muted2:    #6b788a;
    --border:    rgba(255,255,255,0.08);
    --border-bright: rgba(255,255,255,0.13);
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'IBM Plex Mono', monospace;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    background-image:
      radial-gradient(ellipse 70% 40% at 80% 10%, rgba(26,200,200,0.07) 0%, transparent 60%),
      radial-gradient(ellipse 50% 30% at 10% 60%, rgba(240,122,110,0.05) 0%, transparent 55%);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    overflow-x: hidden;
  }

  /* ── NOISE LAYER ── */
  body::before {
    content: '';
    position: fixed; inset: 0;
    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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 9999;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 48px;
    background: rgba(19,22,27,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-bright);
  }
  .nav-logo {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none;
  }
  .nav-logo img { height: 48px; }
  .nav-links { display: flex; align-items: center; gap: 32px; }
  .nav-links a {
    color: var(--muted); font-size: 15px; font-weight: 500;
    text-decoration: none; letter-spacing: 0.02em;
    transition: color .2s; font-family: var(--font-body);
  }
  .nav-links a:hover { color: var(--white); }
  .nav-cta {
    background: var(--teal); color: var(--bg) !important;
    padding: 8px 18px; border-radius: 6px; font-weight: 700 !important;
  }
  .nav-cta:hover { background: #0ec5c5 !important; color: var(--bg) !important; }

  .nav-btn-lang {
    background: transparent; border: 1px solid var(--border-bright);
    color: var(--white); font-family: var(--font-mono); font-size: 13px;
    padding: 6px 12px; border-radius: 6px; cursor: pointer;
    transition: background .2s; margin-left: 12px;
  }
  .nav-btn-lang:hover { background: rgba(255,255,255,0.1); }
  
  .nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 4px;
  }
  
  /* ── SECTION SCAFFOLDING ── */
  section { padding: 100px 0; }
  .container { max-width: 1060px; margin: 0 auto; padding: 0 32px; }
  .section-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--teal);
    margin-bottom: 16px; font-weight: 500;
    opacity: 0.85;
  }
  .section-title {
    font-family: var(--font-display);
    font-size: clamp(26px, 3.2vw, 38px);
    font-weight: 800; line-height: 1.18;
    letter-spacing: -0.025em;
    margin-bottom: 20px; color: var(--white);
  }
  .section-body {
    color: var(--muted); font-size: 17px; line-height: 1.75;
    max-width: 660px;
  }

  /* ── DIVIDER ── */
  .line-divider {
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--teal) 30%, var(--coral) 70%, transparent);
    opacity: 0.25; margin: 0;
  }

  /* ═══════════════════════════════════ HERO ═══════════════════════════════════ */
  #hero {
    min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center;
    padding: 140px 0 80px;
    position: relative; overflow: hidden;
  }
  .hero-grid-bg {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(26,200,200,0.07) 1px, transparent 1px),
      linear-gradient(90deg, rgba(26,200,200,0.07) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 20%, transparent 100%);
    pointer-events: none;
  }
  .hero-glow {
    position: absolute; top: -160px; left: 50%; transform: translateX(-50%);
    width: 1000px; height: 640px;
    background:
      radial-gradient(ellipse 60% 50% at 40% 50%, rgba(26,200,200,0.2) 0%, transparent 65%),
      radial-gradient(ellipse 40% 40% at 65% 55%, rgba(240,122,110,0.14) 0%, transparent 60%);
    pointer-events: none;
  }
  .hero-inner { position: relative; text-align: center; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(13,165,165,0.1); border: 1px solid rgba(13,165,165,0.3);
    color: var(--teal); font-family: var(--font-mono); font-size: 11.5px;
    letter-spacing: 0.06em; padding: 6px 18px; border-radius: 100px;
    margin-bottom: 36px; font-weight: 400; white-space: nowrap;
  }
  .hero-badge .pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); animation: pulse 2s infinite; flex-shrink: 0; }
  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .4; transform: scale(.7); }
  }
  .hero-title {
    font-family: var(--font-display);
    font-size: clamp(44px, 6.5vw, 80px);
    font-weight: 800; line-height: 1.05;
    letter-spacing: -0.035em;
    margin-bottom: 28px;
  }
  .hero-title em { font-style: normal; color: var(--teal); }
  .hero-title .accent { color: var(--coral); }
  .hero-sub {
    font-size: clamp(17px, 2vw, 21px);
    color: var(--muted); max-width: 600px;
    margin: 0 auto 48px; line-height: 1.65;
  }
  .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
  .btn-primary {
    background: var(--teal); color: var(--bg);
    font-family: var(--font-body); font-weight: 700;
    font-size: 15px; padding: 14px 32px;
    border-radius: 8px; border: none; cursor: pointer;
    text-decoration: none; transition: background .2s, transform .15s;
    display: inline-block;
  }
  .btn-primary:hover { background: #0ec5c5; transform: translateY(-1px); }
  .btn-ghost {
    background: transparent; color: var(--white);
    font-family: var(--font-body); font-weight: 500;
    font-size: 15px; padding: 13px 32px;
    border-radius: 8px; border: 1px solid rgba(255,255,255,0.18); cursor: pointer;
    text-decoration: none; transition: border-color .2s, transform .15s;
    display: inline-block;
  }
  .btn-ghost:hover { border-color: rgba(255,255,255,0.45); transform: translateY(-1px); }
  .hero-scroll {
    margin-top: 80px; color: var(--muted);
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
    text-transform: uppercase; display: flex; flex-direction: column;
    align-items: center; gap: 8px; animation: fadeIn 2s 1s both;
  }
  .hero-scroll::after {
    content: ''; width: 1px; height: 40px;
    background: linear-gradient(var(--teal), transparent);
  }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

  /* ── HERO FLOATING ORBS ── */
  .hero-orb {
    position: absolute; border-radius: 50%;
    pointer-events: none; filter: blur(72px);
  }
  .hero-orb-1 {
    width: 340px; height: 340px;
    background: radial-gradient(circle, rgba(26,200,200,0.18) 0%, transparent 70%);
    top: 15%; left: 8%;
    animation: orbDrift1 14s ease-in-out infinite;
  }
  .hero-orb-2 {
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(240,122,110,0.15) 0%, transparent 70%);
    bottom: 20%; right: 10%;
    animation: orbDrift2 18s ease-in-out infinite;
  }
  @keyframes orbDrift1 {
    0%, 100% { transform: translate(0, 0); }
    33%       { transform: translate(30px, -20px); }
    66%       { transform: translate(-15px, 25px); }
  }
  @keyframes orbDrift2 {
    0%, 100% { transform: translate(0, 0); }
    40%       { transform: translate(-25px, 20px); }
    70%       { transform: translate(20px, -15px); }
  }

  /* ═══════════════════════════════════ MISSION ═══════════════════════════════════ */
  #mission { padding: 120px 0; background: var(--surface3); position: relative; }
  #mission::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 60% 80% at 100% 50%, rgba(240,122,110,0.06) 0%, transparent 60%);
  }
  .mission-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
  }
  .mission-statement {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.8vw, 30px);
    font-weight: 700; line-height: 1.4;
    color: var(--white); letter-spacing: -0.02em;
  }
  .mission-statement .hl { color: var(--teal); }
  .mission-right { color: var(--muted); font-size: 16px; line-height: 1.8; }
  .mission-tag {
    display: inline-block;
    background: rgba(232,114,106,0.1); border: 1px solid rgba(232,114,106,0.25);
    color: var(--coral); font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.06em; padding: 4px 12px; border-radius: 4px; margin-bottom: 20px;
  }

  /* ═══════════════════════════════════ VALUES ═══════════════════════════════════ */
  #values { padding: 100px 0; position: relative; }
  #values::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 50% 60% at 10% 50%, rgba(26,200,200,0.05) 0%, transparent 55%);
  }
  .values-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    margin-top: 60px;
  }
  .value-card {
    background: var(--surface); padding: 40px 36px;
    border: 1px solid var(--border-bright);
    border-radius: 14px;
    transition: background .3s, border-color .3s, transform .2s;
    position: relative; overflow: hidden;
  }
  .value-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--teal), var(--coral));
    opacity: 0; transition: opacity .3s;
  }
  .value-card:hover { background: var(--surface2); border-color: rgba(26,200,200,0.25); transform: translateY(-2px); }
  .value-card:hover::before { opacity: 1; }
  .value-icon {
    width: 200px; height: 200px; margin-bottom: 28px;
    border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  }
  .value-icon img {
    width: 100%; height: 100%; object-fit: cover;
    border-radius: inherit;
  }
  .value-name {
    font-family: var(--font-display); font-size: 18px; font-weight: 800;
    letter-spacing: -0.01em; margin-bottom: 12px; color: var(--white);
  }
  .value-desc { color: var(--muted); font-size: 14.5px; line-height: 1.75; }

  /* ═══════════════════════════════════ ORIGIN ═══════════════════════════════════ */
  #origin { padding: 100px 0; background: var(--surface3); position: relative; }
  #origin::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 40% 60% at 90% 50%, rgba(26,200,200,0.06) 0%, transparent 55%);
  }
  .origin-inner {
    background: var(--surface);
    border: 1px solid var(--border-bright);
    border-left: 3px solid var(--teal);
    border-radius: 16px; padding: 64px 72px;
    position: relative; overflow: hidden;
  }
  .origin-inner::after {
    content: 'Generative';
    font-family: var(--font-display); font-size: 120px; font-weight: 800;
    color: rgba(26,200,200,0.05); position: absolute;
    right: 20px; bottom: -20px; line-height: 1; pointer-events: none;
    letter-spacing: -0.06em; white-space: nowrap;
  }
  .origin-quote {
    font-family: var(--font-display); font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 700; line-height: 1.5; color: var(--white);
    letter-spacing: -0.02em; max-width: 700px;
    position: relative; z-index: 1;
  }
  .origin-quote::before {
    content: '"'; font-size: 80px; color: var(--teal); opacity: 0.3;
    line-height: 0; position: absolute; top: 10px; left: -30px;
    font-family: Georgia, serif;
  }
  .origin-author {
    display: flex; align-items: center; gap: 16px;
    margin-top: 28px; position: relative; z-index: 1;
  }
  .origin-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    border: 2px solid rgba(26,200,200,0.35);
    object-fit: cover;
  }
  .origin-author-name {
    font-family: var(--font-display); font-size: 16px; font-weight: 800;
    color: var(--white); margin-bottom: 2px;
  }
  .origin-author-role {
    font-family: var(--font-mono); font-size: 12px; color: var(--teal);
    letter-spacing: 0.04em;
  }
  .origin-caption {
    margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--border-bright);
    color: var(--muted); font-size: 15px;
    line-height: 1.75; max-width: 620px; position: relative; z-index: 1;
  }

  /* ═══════════════════════════════════ IMPACT ═══════════════════════════════════ */
  #impact { padding: 100px 0; position: relative; }
  #impact::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 50% 70% at 50% 100%, rgba(26,200,200,0.06) 0%, transparent 60%);
  }
  .stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    margin-top: 60px;
  }
  .stat-card {
    background: var(--surface);
    border: 1px solid var(--border-bright);
    border-radius: 14px;
    padding: 40px 28px;
    text-align: center; transition: background .3s, transform .2s;
    position: relative; overflow: hidden;
  }
  .stat-card:hover { background: var(--surface2); transform: translateY(-3px); }
  .stat-num {
    font-family: var(--font-display); font-size: clamp(36px, 3.8vw, 50px);
    font-weight: 800; line-height: 1;
    letter-spacing: -0.03em; margin-bottom: 8px;
  }
  .stat-card:nth-child(1) .stat-num { color: var(--teal); }
  .stat-card:nth-child(2) .stat-num { color: var(--coral); }
  .stat-card:nth-child(3) .stat-num { color: var(--amber); }
  .stat-card:nth-child(4) .stat-num { color: #a78bfa; }
  .stat-label {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.07em;
    text-transform: uppercase; color: var(--muted);
  }
  .stat-tagline {
    font-size: 13px; color: var(--muted2);
    margin-top: 8px; font-style: italic;
  }

  /* ═══════════════════════════════════ SPEAKERS ═══════════════════════════════════ */
  #speakers { padding: 100px 0; background: var(--surface3); position: relative; }
  #speakers::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 60% 50% at 80% 80%, rgba(240,122,110,0.06) 0%, transparent 55%);
  }
  .speakers-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    margin-top: 60px;
  }
  .speaker-card {
    background: var(--surface); border: 1px solid var(--border-bright);
    border-radius: 14px; padding: 28px 26px;
    transition: border-color .3s, transform .22s, box-shadow .22s;
    display: flex; flex-direction: column;
    text-decoration: none; color: inherit;
  }
  .speaker-card:hover {
    border-color: rgba(26,200,200,0.4);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.25);
  }
  .speaker-avatar {
    width: 84px; height: 84px; border-radius: 50%;
    border: 2px solid rgba(26,200,200,0.35);
    margin-bottom: 18px; overflow: hidden;
    background: var(--surface2);
    display: flex; align-items: center; justify-content: center;
    position: relative; flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(26,200,200,0.07);
  }
  .speaker-avatar-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(26,200,200,0.18), rgba(240,122,110,0.18));
    display: flex; align-items: center; justify-content: center;
  }
  .speaker-avatar-initials {
    font-family: var(--font-display); font-size: 20px; font-weight: 800;
    color: var(--teal);
  }
  .speaker-name {
    font-family: var(--font-display); font-size: 18px; font-weight: 800;
    color: var(--white); letter-spacing: -0.01em; margin-bottom: 4px;
    display: flex; align-items: center; gap: 8px;
  }
  .speaker-role {
    font-family: var(--font-mono); font-size: 13px; color: var(--teal);
    letter-spacing: 0.04em; margin-bottom: 14px;
  }
  .speaker-bio {
    font-size: 15px; color: var(--muted); line-height: 1.65;
    flex: 1;
  }

  /* ═══════════════════════════════════ BOARD ═══════════════════════════════════ */
  #board { padding: 100px 0; position: relative; }
  #board::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 50% 60% at 20% 50%, rgba(167,139,250,0.05) 0%, transparent 55%);
  }
  .board-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    margin-top: 60px;
  }
  .board-card {
    background: var(--surface); border: 1px solid var(--border-bright);
    border-radius: 14px; padding: 36px 28px;
    transition: border-color .3s, transform .22s, box-shadow .22s;
    text-align: center; display: block;
    text-decoration: none; color: inherit;
  }
  .board-card:hover {
    border-color: rgba(240,122,110,0.4);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.25);
  }
  .board-avatar {
    width: 104px; height: 104px; border-radius: 50%;
    border: 2px solid rgba(240,122,110,0.35);
    margin: 0 auto 20px; overflow: hidden;
    background: var(--surface2);
    display: flex; align-items: center; justify-content: center;
    position: relative;
    box-shadow: 0 0 0 5px rgba(240,122,110,0.07);
  }
  .board-avatar-inner {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(240,122,110,0.18), rgba(26,200,200,0.12));
    display: flex; align-items: center; justify-content: center;
  }
  .board-initials {
    font-family: var(--font-display); font-size: 26px; font-weight: 800;
    color: var(--coral);
  }
  .board-name {
    font-family: var(--font-display); font-size: 19px; font-weight: 800;
    color: var(--white); letter-spacing: -0.01em; margin-bottom: 4px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
  }
  .board-title {
    font-family: var(--font-mono); font-size: 13px; color: var(--coral);
    letter-spacing: 0.04em; margin-bottom: 14px;
  }
  .board-bio { font-size: 15px; color: var(--muted); line-height: 1.65; }

  /* Photo slot instructions */
  .photo-hint {
    position: absolute; inset: 0; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.55); opacity: 0;
    transition: opacity .2s; font-size: 10px;
    color: var(--white); text-align: center; padding: 6px;
    font-family: var(--font-mono); letter-spacing: 0.04em;
    line-height: 1.3;
  }
  .board-card:hover .photo-hint,
  .speaker-card:hover .photo-hint { opacity: 1; }

  /* LinkedIn Icon */
  .ln-icon { width: 16px; height: 16px; opacity: 0.6; transition: opacity .2s, transform .2s; }
  .speaker-card:hover .ln-icon, .board-card:hover .ln-icon { opacity: 1; transform: scale(1.1); }

  /* ── SPEAKER CTA ── */
  .speaker-cta {
    margin-top: 60px;
    background: var(--surface);
    border: 1px solid var(--border-bright);
    border-radius: 14px;
    padding: 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .speaker-cta::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--coral));
  }
  .speaker-cta h3 {
    font-family: var(--font-display); font-size: clamp(20px, 2.5vw, 24px); font-weight: 800;
    color: var(--white); margin-bottom: 12px; letter-spacing: -0.01em;
  }
  .speaker-cta p {
    color: var(--muted); font-size: 16px; line-height: 1.6; max-width: 640px;
    margin: 0 auto 32px;
  }

  /* ═══════════════════════════════════ ROADMAP ═══════════════════════════════════ */
  #roadmap { padding: 100px 0; background: var(--surface3); position: relative; }
  #roadmap::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 50% 60% at 50% 0%, rgba(26,200,200,0.06) 0%, transparent 55%);
  }
  .roadmap-list {
    margin-top: 60px; display: flex; flex-direction: column; gap: 10px;
  }
  .roadmap-item {
    background: var(--surface); border: 1px solid var(--border-bright);
    border-radius: 12px; padding: 26px 32px;
    display: flex; align-items: center; gap: 28px;
    transition: background .3s, border-color .3s, transform .2s;
    cursor: default;
  }
  .roadmap-item:hover { background: var(--surface2); border-color: rgba(26,200,200,0.25); transform: translateX(4px); }
  .roadmap-num {
    font-family: var(--font-mono); font-size: 12px; color: var(--teal);
    letter-spacing: 0.06em; flex-shrink: 0; width: 28px;
  }
  .roadmap-content { flex: 1; }
  .roadmap-title {
    font-family: var(--font-display); font-size: 17px; font-weight: 700;
    color: var(--white); letter-spacing: -0.01em; margin-bottom: 4px;
  }
  .roadmap-desc { font-size: 14px; color: var(--muted); }
  .roadmap-badge {
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.07em;
    text-transform: uppercase; padding: 5px 12px; border-radius: 100px;
    background: rgba(26,200,200,0.1); border: 1px solid rgba(26,200,200,0.2);
    color: var(--teal); flex-shrink: 0;
  }

  /* ═══════════════════════════════════ SPONSORS ═══════════════════════════════════ */
  #sponsors { padding: 120px 0; background: var(--bg); position: relative; overflow: hidden; }
  .sponsors-glow {
    position: absolute; top: 50%; right: 0; transform: translate(30%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(26,200,200,0.08) 0%, transparent 60%);
    pointer-events: none; filter: blur(60px);
  }
  .sponsors-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
  }
  .sponsors-grid-visual {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
    position: relative;
  }
  .sponsor-feature-card {
    background: rgba(28,32,40,0.5);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px; padding: 32px 24px;
    position: relative; overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform .3s, border-color .3s, background .3s;
    display: flex; flex-direction: column; align-items: flex-start;
  }
  .sponsor-feature-card:hover {
    background: rgba(28,32,40,0.8);
    border-color: rgba(26,200,200,0.3);
    transform: translateY(-4px);
  }
  .sfc-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
  }
  .sfc-title {
    font-family: var(--font-display); font-size: 17px; font-weight: 700;
    color: var(--white); margin-bottom: 8px; letter-spacing: -0.01em;
  }
  .sfc-desc {
    color: var(--muted); font-size: 14px; line-height: 1.6;
  }
  .slot-border {
    position: absolute; inset: 0; pointer-events: none; border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(26,200,200,0.5), transparent 40%, rgba(240,122,110,0.5));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0; transition: opacity .4s ease;
  }
  .sponsor-feature-card:hover .slot-border { opacity: 1; }

  /* ═══════════════════════════════════ FOOTER ═══════════════════════════════════ */
  footer {
    border-top: 1px solid var(--border-bright);
    padding: 48px 0 36px;
    background: var(--surface3);
  }
  .footer-inner {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 20px;
  }
  .footer-logo { display: flex; align-items: center; gap: 10px; }
  .footer-logo img { height: 48px; opacity: 0.7; }
  .footer-copy {
    font-family: var(--font-mono); font-size: 12px; color: var(--muted);
    letter-spacing: 0.06em;
  }
  .footer-links { display: flex; gap: 24px; }
  .footer-links a {
    font-family: var(--font-mono); font-size: 11px; color: var(--muted);
    text-decoration: none; letter-spacing: 0.08em; text-transform: uppercase;
    transition: color .2s;
  }
  .footer-links a:hover { color: var(--teal); }

  /* ═══════════════════════════════════ PHOTO PLACEHOLDER TOOLTIP ═══════════════════════════════════ */
  .avatar-wrap { position: relative; }

  /* ═══════════════════════════════════ RESPONSIVE ═══════════════════════════════════ */
  @media (max-width: 768px) {
    .footer-inner { flex-direction: column; text-align: center; gap: 32px; }
    .footer-logo { flex-direction: column; }
    .footer-links { flex-direction: column; align-items: center; gap: 16px; }
    .sponsors-layout { grid-template-columns: 1fr; gap: 60px; }
    nav { padding: 16px 24px; }
    .nav-toggle { display: block; }
    .nav-links {
      position: absolute; top: 100%; left: 0; right: 0;
      background: rgba(19,22,27,0.95); backdrop-filter: blur(20px);
      flex-direction: column; padding: 24px; gap: 24px;
      border-bottom: 1px solid var(--border-bright);
      display: none;
    }
    .nav-links.active { display: flex; }
    .mission-layout { grid-template-columns: 1fr; gap: 40px; }
    .values-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .speakers-grid { grid-template-columns: 1fr; }
    .board-grid { grid-template-columns: 1fr 1fr; }
    .origin-inner { padding: 40px 28px; }
    .origin-inner::after { font-size: 60px; right: 0; bottom: 0; }
    section { padding: 70px 0; }
  }
  @media (max-width: 520px) {
    .board-grid { grid-template-columns: 1fr; }
  }

  /* ── SCROLL REVEAL ── */
  .reveal {
    opacity: 0; transform: translateY(28px);
    transition: opacity .65s ease, transform .65s ease;
  }
  .reveal.visible { opacity: 1; transform: none; }

  /* ── STAGGERED CARD CHILDREN ── */
  .stagger-children > * {
    opacity: 0; transform: translateY(20px);
    transition: opacity .5s ease, transform .5s ease;
  }
  .stagger-children.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0ms; }
  .stagger-children.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 80ms; }
  .stagger-children.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 160ms; }
  .stagger-children.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 240ms; }
  .stagger-children.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 320ms; }
  .stagger-children.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 400ms; }

  /* roadmap left accent per status */
  .roadmap-item:nth-child(1) { border-left: 3px solid var(--teal); }
  .roadmap-item:nth-child(2) { border-left: 3px solid var(--coral); }
  .roadmap-item:nth-child(3) { border-left: 3px solid #a78bfa; }

  /* per-card count bar colour */
  .stat-card:nth-child(1) .count-bar { background: var(--teal); }
  .stat-card:nth-child(2) .count-bar { background: var(--coral); }
  .stat-card:nth-child(3) .count-bar { background: var(--amber); }
  .stat-card:nth-child(4) .count-bar { background: #a78bfa; }
  .stat-num { transition: color .3s; }
  .stat-card { overflow: hidden; }
  .stat-card .count-bar {
    position: absolute; bottom: 0; left: 0; height: 2px;
    background: linear-gradient(90deg, var(--teal), var(--coral));
    width: 0; transition: width 1.2s ease;
  }
  .stat-card { position: relative; }
  .stat-card.counted .count-bar { width: 100%; }