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

    :root {
      --gold:       #b8922a;
      --gold-light: #d4aa4a;
      --gold-pale:  #f0e0b0;
      --gold-line:  #c9a84c;
      --black:      #0a0a0a;
      --dark:       #1a1612;
      --mid:        #5a5040;
      --muted:      #9a8f80;
      --bg:         #ffffff;
      --bg-warm:    #faf8f4;
      --bg-section: #f5f1eb;
      --serif:      'Cormorant Garamond', Georgia, serif;
      --sans:       'Montserrat', sans-serif;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--dark);
      font-family: var(--sans);
      font-weight: 300;
      line-height: 1.7;
      overflow-x: hidden;
    }

    /* ── Cursor ───────────────────────────────────────────── */
    body { cursor: none; }
    #cursor {
      position: fixed;
      width: 10px; height: 10px;
      border-radius: 50%;
      background: var(--gold);
      pointer-events: none;
      z-index: 9999;
      transform: translate(-50%, -50%);
      transition: transform 0.08s ease, width 0.2s, height 0.2s, opacity 0.2s;
    }
    #cursor-ring {
      position: fixed;
      width: 38px; height: 38px;
      border-radius: 50%;
      border: 1px solid var(--gold-light);
      pointer-events: none;
      z-index: 9998;
      transform: translate(-50%, -50%);
      transition: transform 0.18s ease, width 0.2s, height 0.2s, opacity 0.3s;
      opacity: 0.6;
    }

    /* ── NAV ──────────────────────────────────────────────── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 28px 60px;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(185,146,42,0.12);
      transition: padding 0.3s ease;
    }
    nav.scrolled { padding: 18px 60px; }

    .nav-logo {
      display: flex;
      flex-direction: column;
      gap: 1px;
      text-decoration: none;
    }
    .nav-logo-top {
      font-family: var(--serif);
      font-size: 22px;
      font-weight: 600;
      letter-spacing: 4px;
      color: var(--black);
    }
    .nav-logo-top span { color: var(--gold); }
    .nav-logo-sub {
      font-family: var(--sans);
      font-size: 7.5px;
      letter-spacing: 3.5px;
      color: var(--muted);
      font-weight: 500;
      text-transform: uppercase;
    }

    .nav-links {
      display: flex;
      gap: 42px;
      list-style: none;
      align-items: center;
    }
    .nav-links a {
      font-size: 10px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--mid);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s;
      position: relative;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -3px; left: 0; right: 0;
      height: 1px;
      background: var(--gold);
      transform: scaleX(0);
      transition: transform 0.25s ease;
    }
    .nav-links a:hover { color: var(--gold); }
    .nav-links a:hover::after { transform: scaleX(1); }
    .nav-links a.active { color: var(--gold); }
    .nav-links a.active::after { transform: scaleX(1); }

    .nav-cta {
      background: var(--gold);
      color: white !important;
      padding: 10px 26px !important;
      letter-spacing: 2.5px !important;
      font-size: 9px !important;
      transition: background 0.2s, transform 0.2s !important;
    }
    .nav-cta::after { display: none !important; }
    .nav-cta:hover { background: var(--gold-light) !important; transform: translateY(-1px); }

    /* ── HERO ─────────────────────────────────────────────── */
    .hero {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 1fr;
      position: relative;
      padding-top: 90px;
    }

    .hero-left {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 80px 60px 80px 80px;
      position: relative;
      z-index: 2;
    }

    .hero-eyebrow {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 36px;
    }
    .hero-eyebrow-line { width: 40px; height: 1px; background: var(--gold); }
    .hero-eyebrow span {
      font-size: 9px;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: var(--gold);
      font-weight: 500;
    }

    .hero-title {
      font-family: var(--serif);
      font-size: clamp(52px, 5.5vw, 82px);
      font-weight: 300;
      line-height: 1.08;
      color: var(--black);
      margin-bottom: 32px;
    }
    .hero-title em { font-style: italic; color: var(--gold); }
    .hero-title strong { font-weight: 600; display: block; }

    .hero-desc {
      font-size: 13px;
      line-height: 1.9;
      color: #ffff;
      max-width: 420px;
      margin-bottom: 52px;
      letter-spacing: 0.3px;
    }

    .hero-actions { display: flex; align-items: center; gap: 36px; }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      background: var(--black);
      color: white;
      text-decoration: none;
      font-size: 9px;
      letter-spacing: 3px;
      text-transform: uppercase;
      font-weight: 500;
      padding: 17px 36px;
      transition: background 0.25s, transform 0.2s;
      font-family: var(--sans);
    }
    .btn-primary:hover { background: var(--gold); transform: translateY(-2px); }
    .btn-primary svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--mid);
      text-decoration: none;
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
      font-weight: 500;
      font-family: var(--sans);
      transition: color 0.2s;
    }
    .btn-ghost:hover { color: var(--gold); }
    .btn-ghost-icon {
      width: 36px; height: 36px;
      border: 1px solid currentColor;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s, color 0.2s;
    }
    .btn-ghost:hover .btn-ghost-icon { background: var(--gold); color: white; border-color: var(--gold); }

    .hero-stats {
      margin-top: 70px;
      display: flex;
      gap: 50px;
      padding-top: 40px;
      border-top: 1px solid rgba(185,146,42,0.15);
    }
    .hero-stat-num { font-family: var(--serif); font-size: 38px; font-weight: 600; color: var(--gold); line-height: 1; margin-bottom: 4px; }
    .hero-stat-label { font-size: 8.5px; letter-spacing: 3px; text-transform: uppercase; color: var(--muted); }

    .hero-right {
      background: var(--black);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .hero-right-canvas { position: absolute; inset: 0; }
    .hero-right canvas { width: 100%; height: 100%; }

    .hero-badge {
      position: absolute;
      bottom: 60px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 10;
      text-align: center;
    }
    .hero-badge-ring {
      width: 130px; height: 130px;
      border: 1px solid rgba(185,146,42,0.5);
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
      gap: 4px;
      position: relative;
      animation: rotateBadge 20s linear infinite;
    }
    @keyframes rotateBadge { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
    .hero-badge-inner { animation: rotateBadge 20s linear infinite reverse; display: flex; flex-direction: column; align-items: center; }
    .hero-badge-ring::before { content:''; position:absolute; inset:8px; border-radius:50%; border:1px solid rgba(185,146,42,0.25); }
    .hero-badge-ogs { font-family:var(--serif); font-size:28px; font-weight:600; color:var(--gold); letter-spacing:2px; line-height:1; }
    .hero-badge-sdna { font-size:9px; letter-spacing:3px; color:rgba(255,255,255,0.6); font-weight:500; }
    .hero-badge-tm { font-size:8px; color:var(--gold-light); letter-spacing:2px; }

    /* ── TICKER ───────────────────────────────────────────── */
    .ticker { background:var(--gold); padding:14px 0; overflow:hidden; white-space:nowrap; }
    .ticker-track { display:inline-flex; animation:ticker 28s linear infinite; }
    .ticker-item { font-size:9px; letter-spacing:4px; text-transform:uppercase; color:white; padding:0 50px; font-weight:500; }
    .ticker-dot { color:rgba(255,255,255,0.5); }
    @keyframes ticker { from{transform:translateX(0)} to{transform:translateX(-50%)} }

    /* ── SECTIONS ─────────────────────────────────────────── */
    .section { padding: 120px 80px; }
    .section-warm { background: var(--bg-warm); }

    .section-tag { display:flex; align-items:center; gap:14px; margin-bottom:24px; }
    .section-tag-line { width:30px; height:1px; background:var(--gold); }
    .section-tag span { font-size:9px; letter-spacing:4px; color:var(--gold); text-transform:uppercase; font-weight:500; }

    .section-title { font-family:var(--serif); font-size:clamp(38px,4vw,62px); font-weight:300; line-height:1.1; color:var(--black); margin-bottom:28px; }
    .section-title em { font-style:italic; color:var(--gold); }
    .section-title strong { font-weight:600; }

    /* ── WHAT IS SDNA ─────────────────────────────────────── */
    .what-grid { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
    .what-text p { font-size:14px; color:var(--mid); line-height:1.9; margin-bottom:20px; }
    .what-text p strong { color:var(--black); font-weight:500; }
    .what-quote { margin-top:40px; padding:30px 40px; border-left:2px solid var(--gold); background:var(--bg-section); }
    .what-quote p { font-family:var(--serif); font-size:20px; font-style:italic; color:var(--dark); line-height:1.6; }
    .what-quote cite { display:block; font-size:9px; letter-spacing:3px; text-transform:uppercase; color:var(--gold); margin-top:12px; font-style:normal; }
    .what-visual { position:relative; }
    .what-card { background:var(--black); padding:50px 44px; position:relative; overflow:hidden; }
    .what-card::before { content:''; position:absolute; top:0;left:0;right:0; height:2px; background:linear-gradient(90deg,var(--gold),var(--gold-light),transparent); }
    .what-card-label { font-size:8px; letter-spacing:4px; text-transform:uppercase; color:var(--muted); margin-bottom:30px; }
    .cert-preview { border:1px solid rgba(185,146,42,0.3); padding:28px; position:relative; }
    .cert-preview::before { content:'CERTIFICATE'; position:absolute; top:-8px; left:20px; background:var(--black); padding:0 10px; font-size:7px; letter-spacing:4px; color:var(--gold); }
    .cert-row { display:flex; justify-content:space-between; align-items:center; padding:10px 0; border-bottom:1px solid rgba(255,255,255,0.05); }
    .cert-row:last-child { border-bottom:none; }
    .cert-key { font-size:8px; letter-spacing:2px; color:var(--muted); text-transform:uppercase; }
    .cert-val { font-family:var(--serif); font-size:14px; color:white; }
    .cert-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(185,146,42,0.15); border:1px solid var(--gold); color:var(--gold-light); font-size:8px; letter-spacing:2px; padding:4px 12px; }
    .cert-badge::before { content:'✓'; font-size:10px; }
    .what-card-dna { margin-top:30px; text-align:center; }
    .dna-mini-canvas { width:100%; height:100px; }

    /* ── HOW IT WORKS ─────────────────────────────────────── */
    .how { background:var(--bg-section); }
    .how-header { text-align:center; max-width:640px; margin:0 auto 80px; }
    .how-header p { font-size:14px; color:var(--mid); line-height:1.9; }
    .how-steps { display:grid; grid-template-columns:repeat(4,1fr); gap:2px; position:relative; }
    .how-step { background:white; padding:48px 36px; position:relative; transition:transform 0.25s,box-shadow 0.25s; }
    .how-step:hover { transform:translateY(-6px); box-shadow:0 20px 60px rgba(0,0,0,0.07); z-index:2; }
    .how-step::after { content:''; position:absolute; top:0;left:0;right:0; height:2px; background:var(--gold); transform:scaleX(0); transition:transform 0.3s; }
    .how-step:hover::after { transform:scaleX(1); }
    .step-num { font-family:var(--serif); font-size:64px; font-weight:600; color:var(--gold-pale); line-height:1; margin-bottom:20px; transition:color 0.3s; }
    .how-step:hover .step-num { color:var(--gold); }
    .step-icon { width:44px;height:44px; border:1px solid var(--gold-pale); display:flex; align-items:center; justify-content:center; margin-bottom:20px; transition:border-color 0.3s,background 0.3s; }
    .how-step:hover .step-icon { border-color:var(--gold); background:var(--gold); }
    .step-icon svg { width:20px;height:20px; stroke:var(--gold); fill:none; stroke-width:1.5; transition:stroke 0.3s; }
    .how-step:hover .step-icon svg { stroke:white; }
    .step-title { font-family:var(--serif); font-size:22px; font-weight:500; color:var(--black); margin-bottom:14px; line-height:1.2; }
    .step-desc { font-size:12.5px; color:var(--mid); line-height:1.85; }

    /* ── WHY SDNA ─────────────────────────────────────────── */
    .why { background:var(--black); color:white; }
    .why .section-title { color:white; }
    .why .section-tag span { color:var(--gold-light); }
    .why .section-tag-line { background:var(--gold-light); }
    .why-grid { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
    .why-features { display:flex; flex-direction:column; gap:0; }
    .why-feat { display:flex; gap:28px; padding:30px 0; border-bottom:1px solid rgba(255,255,255,0.06); transition:padding-left 0.25s; }
    .why-feat:hover { padding-left:10px; }
    .why-feat:first-child { padding-top:0; }
    .why-feat-icon { width:42px;height:42px; border:1px solid rgba(185,146,42,0.4); display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:4px; }
    .why-feat-icon svg { width:18px;height:18px; stroke:var(--gold); fill:none; stroke-width:1.5; }
    .why-feat-title { font-family:var(--serif); font-size:20px; font-weight:500; color:white; margin-bottom:8px; }
    .why-feat-desc { font-size:12.5px;  line-height:1.8; }
    .why-visual { position:relative; }
    .why-canvas-wrap { background:rgba(255,255,255,0.02); border:1px solid rgba(185,146,42,0.2); display:flex; align-items:center; justify-content:center; height:460px; position:relative; overflow:hidden; }
    .why-canvas-wrap canvas { width:100%;height:100%; }
    .why-canvas-label { position:absolute; bottom:28px; left:28px; right:28px; display:flex; justify-content:space-between; align-items:flex-end; }
    .why-canvas-label-text { font-size:8px; letter-spacing:3px; color:rgba(255,255,255,0.35); text-transform:uppercase; }
    .why-canvas-label-badge { font-family:var(--serif); font-size:13px; color:var(--gold); letter-spacing:1px; }

    /* ── PROOF PHILOSOPHY ─────────────────────────────────── */
    .proof { background:var(--bg-warm); }
    .proof-header { text-align:center; max-width:700px; margin:0 auto 80px; }
    .proof-header p { font-size:14px; color:var(--mid); line-height:1.9; }
    .proof-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; }
    .proof-card { background:white; padding:44px 36px; border:1px solid rgba(185,146,42,0.1); position:relative; transition:border-color 0.3s,transform 0.3s; }
    .proof-card:hover { border-color:var(--gold); transform:translateY(-4px); }
    .proof-card-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:26px; }
    .proof-card-icon { width:50px;height:50px; background:var(--bg-section); display:flex; align-items:center; justify-content:center; }
    .proof-card-icon svg { width:22px;height:22px; stroke:var(--gold); fill:none; stroke-width:1.5; }
    .proof-card-num { font-family:var(--serif); font-size:48px; color:var(--gold-pale); font-weight:600; line-height:1; }
    .proof-card h3 { font-family:var(--serif); font-size:22px; font-weight:500; color:var(--black); margin-bottom:14px; }
    .proof-card p { font-size:12.5px; color:var(--mid); line-height:1.85; }

    /* ── OGS HERITAGE ─────────────────────────────────────── */
    .heritage { padding:120px 0; overflow:hidden; }
    .heritage-inner { display:grid; grid-template-columns:1fr 1fr; }
    .heritage-left { background:var(--black); padding:100px 80px; color:white; position:relative; }
    .heritage-left::after { content:'OGS'; position:absolute; right:-60px;top:50%; transform:translateY(-50%); font-family:var(--serif); font-size:180px; font-weight:600; color:rgba(185,146,42,0.06); pointer-events:none; white-space:nowrap; }
    .heritage-left .section-title { color:white; margin-bottom:24px; }
    .heritage-left p { font-size:13.5px; color:rgba(255,255,255,0.5); line-height:1.9; margin-bottom:18px; }
    .heritage-left strong { color:rgba(255,255,255,0.8); font-weight:500; }
    .heritage-sep { width:40px;height:1px; background:var(--gold); margin:30px 0; }
    .heritage-right { background:var(--gold); padding:100px 80px; display:flex; flex-direction:column; justify-content:center; }
    .heritage-right .section-title { color:white; margin-bottom:24px; }
    .heritage-right p { font-size:13.5px; color:rgba(255,255,255,0.8); line-height:1.9; margin-bottom:20px; }
    .heritage-pillars { display:flex; flex-direction:column; gap:16px; margin-top:10px; }
    .heritage-pillar { display:flex; align-items:center; gap:14px; }
    .heritage-pillar-line { width:24px;height:1px; background:rgba(255,255,255,0.5); }
    .heritage-pillar span { font-size:10px; letter-spacing:3px; text-transform:uppercase; color:rgba(255,255,255,0.85); font-weight:500; }

    /* ── CTA ──────────────────────────────────────────────── */
    .cta { background:var(--bg); text-align:center; padding:140px 80px; position:relative; overflow:hidden; }
    .cta::before { content:''; position:absolute; top:50%;left:50%; transform:translate(-50%,-50%); width:600px;height:600px; border-radius:50%; border:1px solid rgba(185,146,42,0.08); }
    .cta::after { content:''; position:absolute; top:50%;left:50%; transform:translate(-50%,-50%); width:400px;height:400px; border-radius:50%; border:1px solid rgba(185,146,42,0.06); }
    .cta-inner { position:relative; z-index:2; }
    .cta-eyebrow { font-size:9px; letter-spacing:4px; text-transform:uppercase; color:var(--gold); margin-bottom:24px; }
    .cta .section-title { max-width:600px; margin:0 auto 20px; text-align:center; }
    .cta-sub { font-size:14px; color:var(--mid); max-width:440px; margin:0 auto 52px; line-height:1.8; }
    .cta-actions { display:flex; gap:20px; justify-content:center; align-items:center; }
    .btn-outline { display:inline-flex; align-items:center; gap:10px; border:1px solid var(--dark); color:var(--dark); text-decoration:none; font-size:9px; letter-spacing:3px; text-transform:uppercase; font-weight:500; padding:17px 36px; transition:background 0.25s,color 0.25s; font-family:var(--sans); }
    .btn-outline:hover { background:var(--dark); color:white; }

    /* ── FOOTER ───────────────────────────────────────────── */
    footer { background:var(--black); color:white; padding:70px 80px 40px; }
    .footer-top { display:grid; grid-template-columns:1.8fr 1fr 1fr 1fr; gap:60px; padding-bottom:60px; border-bottom:1px solid rgba(255,255,255,0.07); margin-bottom:40px; }
    .footer-brand-name { font-family:var(--serif); font-size:24px; font-weight:600; letter-spacing:3px; margin-bottom:6px; }
    .footer-brand-name span { color:var(--gold); }
    .footer-brand-sub { font-size:7.5px; letter-spacing:3.5px; color:var(--muted); margin-bottom:20px; text-transform:uppercase; }
    .footer-brand-desc { font-size:12px; color:rgba(255,255,255,0.35); line-height:1.85; }
    .footer-col h4 { font-size:8.5px; letter-spacing:3.5px; text-transform:uppercase; color:var(--gold); margin-bottom:22px; }
    .footer-col ul { list-style:none; }
    .footer-col li { margin-bottom:12px; }
    .footer-col a { font-size:12px; color:rgba(255,255,255,0.4); text-decoration:none; transition:color 0.2s; }
    .footer-col a:hover { color:var(--gold-light); }
    .footer-bottom { display:flex; justify-content:space-between; align-items:center; }
    .footer-copy { font-size:10px; color:rgba(255,255,255,0.2); letter-spacing:1px; }
    .footer-tm { font-size:9px; color:rgba(185,146,42,0.5); letter-spacing:2px; }

    /* ── Scroll Animations ────────────────────────────────── */
    .reveal { opacity:0; transform:translateY(28px); transition:opacity 0.7s,transform 0.7s; }
    .reveal.visible { opacity:1; transform:none; }
    .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; }

    /* ════════════════════════════════════════════════════════
       ── CERTIFICATE VIEWER SECTION ──────────────────────────
       ════════════════════════════════════════════════════════ */
    .cert-section {
      background: var(--black);
      padding: 120px 80px;
      position: relative;
      overflow: hidden;
    }
    .cert-section::before {
      content: 'SDNA';
      position: absolute;
      right: -40px; top: 50%;
      transform: translateY(-50%);
      font-family: var(--serif);
      font-size: 220px;
      font-weight: 600;
      color: rgba(185,146,42,0.04);
      pointer-events: none;
      white-space: nowrap;
    }

    .cert-section .section-tag span { color: var(--gold-light); }
    .cert-section .section-tag-line { background: var(--gold-light); }
    .cert-section .section-title { color: white; }

    .cert-layout {
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 60px;
      align-items: flex-start;
      position: relative;
      z-index: 2;
    }

    /* ── Search Panel ── */
    .cert-search-panel {
      position: sticky;
      top: 110px;
    }
    .cert-search-desc {
      font-size: 13px;
      color: rgba(255,255,255,1);
      line-height: 1.9;
      margin-bottom: 40px;
    }
    .cert-input-wrap {
      position: relative;
      margin-bottom: 16px;
    }
    .cert-input-wrap label {
      display: block;
      font-size: 8px;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 10px;
      font-weight: 500;
    }
    .cert-input {
      width: 100%;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(185,146,42,0.35);
      color: white;
      font-family: var(--sans);
      font-size: 13px;
      font-weight: 300;
      padding: 16px 22px;
      letter-spacing: 2px;
      outline: none;
      transition: border-color 0.25s, background 0.25s;
    }
    .cert-input:focus { border-color: var(--gold); background: rgba(185,146,42,0.06); }
    .cert-input::placeholder { color: rgba(255,255,255,0.2); letter-spacing: 2px; font-size: 11px; }
    .cert-search-btn {
      width: 100%;
      background: var(--gold);
      color: white;
      border: none;
      font-family: var(--sans);
      font-size: 9px;
      letter-spacing: 3.5px;
      text-transform: uppercase;
      font-weight: 500;
      padding: 18px 36px;
      cursor: none;
      transition: background 0.25s, transform 0.2s;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 24px;
    }
    .cert-search-btn:hover { background: var(--gold-light); transform: translateY(-2px); }
    .cert-search-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }

    .cert-search-hint {
      margin-top: 20px;
      padding: 16px 20px;
      border: 1px solid rgba(185,146,42,0.15);
      background: rgba(185,146,42,0.04);
    }
    .cert-search-hint p {
      font-size: 10px;
      letter-spacing: 1px;
      color: rgba(255,255,255,1);
      line-height: 1.7;
    }
    .cert-search-hint strong { color: var(--gold-light); font-weight: 500; }

    /* Recent certs */
    .cert-recents {
      margin-top: 40px;
      padding-top: 36px;
      border-top: 1px solid rgba(255,255,255,0.06);
    }
    .cert-recents-label {
      font-size: 8px;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: rgba(255,255,255,1);
      margin-bottom: 18px;
    }
    .cert-recent-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.04);
      cursor: none;
      transition: padding-left 0.2s;
    }
    .cert-recent-item:hover { padding-left: 8px; }
    .cert-recent-item:last-child { border-bottom: none; }
    .cert-recent-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); opacity: 0.5; flex-shrink: 0; }
    .cert-recent-id { font-size: 10px; letter-spacing: 2px; color: var(--gold-light); font-weight: 500; }
    .cert-recent-name { font-size: 11px; color: rgba(255,255,255,1); margin-top: 2px; }

    /* ── Certificate Display ── */
    .cert-display-panel { min-height: 600px; }

    /* Empty state */
    .cert-empty-state {
      border: 1px solid rgba(185,146,42,0.15);
      padding: 80px 50px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
      background: rgba(255,255,255,0.015);
    }
    .cert-empty-icon {
      width: 70px; height: 70px;
      border: 1px solid rgba(185,146,42,0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      margin-bottom: 8px;
    }
    .cert-empty-icon svg { width: 28px; height: 28px; stroke: var(--gold); fill: none; stroke-width: 1.3; opacity: 0.6; }
    .cert-empty-title { font-family: var(--serif); font-size: 26px; color: var(--gold-light); font-weight: 300; }
    .cert-empty-sub { font-size: 11px; letter-spacing: 2px; color: rgba(255,255,255,1); max-width: 280px; line-height: 1.8; }

    /* Certificate card */
    .cert-card {
      background: #fdf9f2;
      position: relative;
      overflow: hidden;
      display: none;
    }
    .cert-card.visible { display: block; animation: certAppear 0.5s ease; }
    @keyframes certAppear { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:none} }

    .cert-card-header {
      background: var(--black);
      padding: 28px 36px;
      border-bottom: 2px solid var(--gold);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .cert-certified-by {
      font-size: 7.5px;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: var(--muted);
    }
    .cert-logos {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .cert-logo-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border: 1px solid rgba(185,146,42,0.4);
    }
    .cert-logo-badge-icon {
      width: 22px; height: 22px;
      border-radius: 50%;
      background: var(--gold);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--serif);
      font-size: 10px;
      font-weight: 600;
      color: white;
    }
    .cert-logo-badge-text { font-size: 9px; letter-spacing: 2px; color: var(--gold-light); font-weight: 600; }

    .cert-card-headline {
      padding: 32px 36px 24px;
      text-align: center;
      border-bottom: 1px solid rgba(185,146,42,0.2);
    }
    .cert-headline-tag {
      font-size: 8px;
      letter-spacing: 5px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 10px;
    }
    .cert-headline-sub {
      font-size: 11px;
      letter-spacing: 2px;
      color: var(--muted);
      text-transform: uppercase;
      margin-bottom: 14px;
    }
    .cert-coa-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }
    .cert-coa-text {
      font-family: var(--serif);
      font-size: 28px;
      font-weight: 600;
      color: var(--gold);
      letter-spacing: 1px;
    }
    .cert-coa-divider { width: 1px; height: 28px; background: rgba(185,146,42,0.4); }

    /* Card body */
    .cert-card-body {
      display: grid;
      grid-template-columns: 160px 1fr;
      gap: 0;
    }
    .cert-photo-col {
      padding: 28px 20px 28px 28px;
      border-right: 1px solid rgba(185,146,42,0.15);
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .cert-photo-frame {
      border: 2px solid rgba(185,146,42,0.3);
      overflow: hidden;
      position: relative;
      background: #e8e0d0;
    }
    .cert-photo-frame img { width: 100%; display: block; }
    .cert-photo-frame-placeholder {
      width: 100%;
      aspect-ratio: 3/4;
      background: linear-gradient(135deg, #e8e0d0 0%, #d4c8b0 100%);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .cert-photo-frame-placeholder svg { width: 36px; height: 36px; stroke: var(--gold); fill: none; stroke-width: 1; opacity: 0.4; }

    .cert-info-col { padding: 28px 32px; }
    .cert-id-display {
      font-size: 9px;
      letter-spacing: 3px;
      color: var(--muted);
      margin-bottom: 6px;
      text-transform: uppercase;
    }
    .cert-id-value {
      font-family: var(--serif);
      font-size: 20px;
      font-weight: 600;
      color: var(--gold);
      letter-spacing: 2px;
      margin-bottom: 14px;
    }
    .cert-name-display {
      font-family: var(--serif);
      font-size: 24px;
      font-weight: 500;
      color: var(--dark);
      line-height: 1.2;
      margin-bottom: 18px;
      padding-bottom: 18px;
      border-bottom: 1px solid rgba(185,146,42,0.2);
    }

    .cert-meta-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      padding: 8px 0;
      border-bottom: 1px solid rgba(185,146,42,0.08);
      gap: 12px;
    }
    .cert-meta-row:last-child { border-bottom: none; }
    .cert-meta-key {
      font-size: 8px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--muted);
      flex-shrink: 0;
      padding-top: 2px;
    }
    .cert-meta-val {
      font-size: 12px;
      color: var(--dark);
      text-align: right;
      line-height: 1.5;
    }
    .cert-meta-val strong { font-weight: 500; color: var(--black); }
    .cert-verified-badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: rgba(185,146,42,0.1);
      border: 1px solid var(--gold);
      color: var(--gold);
      font-size: 7px;
      letter-spacing: 2px;
      text-transform: uppercase;
      padding: 3px 8px;
      font-weight: 500;
    }
    .cert-verified-badge::before { content: '✓'; }

    /* Verification summary */
    .cert-summary-block {
      margin: 0 32px 0 0;
      padding: 20px 28px;
      background: rgba(185,146,42,0.04);
      border-left: 2px solid var(--gold);
      grid-column: 1 / -1;
    }
    .cert-summary-label {
      font-size: 8px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 10px;
      font-weight: 500;
    }
    .cert-summary-text {
      font-size: 12px;
      color: var(--mid);
      line-height: 1.85;
    }

    /* Key features */
    .cert-features-block {
      padding: 20px 32px 24px;
      border-top: 1px solid rgba(185,146,42,0.12);
    }
    .cert-features-label {
      font-size: 8px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 14px;
      font-weight: 500;
    }
    .cert-feature-list { display: flex; flex-direction: column; gap: 8px; }
    .cert-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 11.5px;
      color: var(--mid);
    }
    .cert-feature-item::before {
      content: '';
      width: 4px; height: 4px;
      border-radius: 50%;
      background: var(--gold);
      flex-shrink: 0;
      margin-top: 6px;
    }

    /* Evidence photos */
    .cert-evidence-block {
      padding: 24px 32px;
      border-top: 1px solid rgba(185,146,42,0.12);
    }
    .cert-evidence-label {
      font-size: 8px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 16px;
      font-weight: 500;
    }
    .cert-evidence-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }
    .cert-evidence-photo {
      aspect-ratio: 1;
      background: linear-gradient(135deg, #e8e0d0 0%, #d4c8b0 100%);
      border: 1px solid rgba(185,146,42,0.2);
      overflow: hidden;
      position: relative;
    }
    .cert-evidence-photo img { width: 100%; height: 100%; object-fit: cover; }
    .cert-evidence-photo-placeholder {
      width: 100%; height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .cert-evidence-photo-placeholder svg { width: 24px; height: 24px; stroke: var(--gold); fill: none; stroke-width: 1; opacity: 0.35; }
    .cert-evidence-tag {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      background: rgba(0,0,0,0.55);
      padding: 4px 6px;
      font-size: 7px;
      letter-spacing: 2px;
      color: var(--gold-light);
      text-align: center;
      text-transform: uppercase;
    }

    /* Digital backup */
    .cert-digital-block {
      padding: 24px 32px 32px;
      border-top: 1px solid rgba(185,146,42,0.12);
    }
    .cert-digital-label {
      font-size: 8px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 16px;
      font-weight: 500;
    }
    .cert-digital-inner {
      border: 1px solid rgba(185,146,42,0.25);
      padding: 20px 24px;
      background: rgba(185,146,42,0.03);
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .cert-digital-input {
      flex: 1;
      background: transparent;
      border: none;
      border-bottom: 1px solid rgba(185,146,42,0.3);
      color: var(--dark);
      font-family: var(--sans);
      font-size: 11px;
      padding: 8px 0;
      letter-spacing: 2px;
      outline: none;
    }
    .cert-digital-input::placeholder { color: var(--muted); font-size: 10px; }
    .cert-digital-btn {
      background: var(--gold);
      color: white;
      border: none;
      font-family: var(--sans);
      font-size: 8px;
      letter-spacing: 3px;
      text-transform: uppercase;
      font-weight: 500;
      padding: 10px 20px;
      cursor: none;
      transition: background 0.2s;
      white-space: nowrap;
    }
    .cert-digital-btn:hover { background: var(--gold-light); }

    /* Card footer seal */
    .cert-card-footer {
      background: var(--black);
      padding: 20px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .cert-footer-seal {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .cert-footer-seal-ring {
      width: 44px; height: 44px;
      border: 1px solid rgba(185,146,42,0.5);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--serif);
      font-size: 14px;
      font-weight: 600;
      color: var(--gold);
    }
    .cert-footer-text {
      font-size: 8px;
      letter-spacing: 2px;
      color: rgba(255,255,255,0.3);
      text-transform: uppercase;
    }
    .cert-footer-status {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 8px;
      letter-spacing: 3px;
      color: var(--gold-light);
      text-transform: uppercase;
    }
    .cert-footer-status-dot {
      width: 6px; height: 6px;
      border-radius: 50%;
      background: #5dba74;
      animation: pulse 2s infinite;
    }
    @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

    /* Loading state */
    .cert-loading {
      padding: 80px 50px;
      text-align: center;
      display: none;
      flex-direction: column;
      align-items: center;
      gap: 20px;
      border: 1px solid rgba(185,146,42,0.15);
    }
    .cert-loading.active { display: flex; }
    .cert-loading-spinner {
      width: 44px; height: 44px;
      border: 1px solid rgba(185,146,42,0.2);
      border-top-color: var(--gold);
      border-radius: 50%;
      animation: spin 0.9s linear infinite;
    }
    @keyframes spin { to{transform:rotate(360deg)} }
    .cert-loading-text { font-size: 9px; letter-spacing: 4px; color: rgba(255,255,255,0.3); text-transform: uppercase; }

    /* Error state */
    .cert-error {
      padding: 60px 50px;
      text-align: center;
      display: none;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      border: 1px solid rgba(220,80,80,0.2);
      background: rgba(220,80,80,0.03);
    }
    .cert-error.active { display: flex; }
    .cert-error-title { font-family: var(--serif); font-size: 22px; color: rgba(255,255,255,0.4); }
    .cert-error-sub { font-size: 11px; color: rgba(255,255,255,0.2); letter-spacing: 1px; }

    /* ── Responsive ───────────────────────────────────────── */
    @media (max-width: 1024px) {
      nav { padding:22px 30px; }
      .nav-links { gap:24px; }
      .hero { grid-template-columns:1fr; min-height:auto; }
      .hero-left { padding:120px 30px 60px; }
      .hero-right { height:400px; }
      .section { padding:80px 30px; }
      .cert-section { padding: 80px 30px; }
      .what-grid, .why-grid { grid-template-columns:1fr; gap:50px; }
      .how-steps { grid-template-columns:1fr 1fr; }
      .proof-grid { grid-template-columns:1fr; }
      .heritage-inner { grid-template-columns:1fr; }
      .heritage-left, .heritage-right { padding:70px 30px; }
      .footer-top { grid-template-columns:1fr 1fr; gap:40px; }
      .cta { padding:100px 30px; }
      .cert-layout { grid-template-columns:1fr; }
      .cert-search-panel { position:static; }
      .cert-card-body { grid-template-columns:1fr; }
      .cert-photo-col { border-right:none; border-bottom:1px solid rgba(185,146,42,0.15); flex-direction:row; }
    }