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

    :root {
      --mono: 'IBM Plex Mono', monospace;
      --sans: 'IBM Plex Sans', sans-serif;
      --display: 'Space Grotesk', sans-serif;
      --green:  #2DD573;
      --red:    #E5494D;
      --blue:   #3B82F6;
      --yellow: #F2C94D;
      --purple: #6D28D9;
      --transition-theme: background 0.45s ease, color 0.45s ease, border-color 0.45s ease;

      /* Base font scale — 10% larger than v1 */
      --fs-body:    15.4px;
      --fs-small:   12.1px;
      --fs-xs:      10.8px;
      --fs-xxs:     9.9px;
    }

    [data-theme="dark"] {
      --bg:           #020202;
      --bg2:          #0d0d0d;
      --bg3:          #141414;
      --surface:      rgba(255,255,255,0.03);
      --border:       rgba(255,255,255,0.07);
      --border-mid:   rgba(255,255,255,0.12);
      --text:         #F8F8F8;
      --text-mid:     #C5C5C5;
      --text-dim:     #545454;
      --nav-bg:       rgba(2,2,2,0.85);
      --canvas-op:    0.38;
    }

    [data-theme="light"] {
      --bg:           #F2F2EF;
      --bg2:          #E8E8E4;
      --bg3:          #DDDDD8;
      --surface:      rgba(0,0,0,0.03);
      --border:       rgba(0,0,0,0.08);
      --border-mid:   rgba(0,0,0,0.15);
      --text:         #020202;
      --text-mid:     #3a3a3a;
      --text-dim:     #888;
      --nav-bg:       rgba(242,242,239,0.92);
      --canvas-op:    0.14;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--sans);
      font-size: var(--fs-body);
      min-height: 100vh;
      overflow-x: hidden;
      transition: var(--transition-theme);
    }

    /* ── CANVAS ── */
    #bg-canvas {
      position: fixed; inset: 0; z-index: 0;
      opacity: var(--canvas-op);
      transition: opacity 0.45s ease;
      pointer-events: none;
    }

    /* ── DEPTH INDICATOR ── */
    #depth-indicator {
      position: fixed; right: 48px; top: 50%;
      transform: translateY(-50%);
      z-index: 200;
      display: flex; flex-direction: column; align-items: flex-end; gap: 0;
    }
    .depth-label {
      font-family: var(--mono); font-size: 7.7px; letter-spacing: 0.18em;
      text-transform: uppercase; color: var(--text-dim);
      writing-mode: vertical-rl; transform: rotate(180deg);
    }
    .depth-track {
      width: 1px; height: 156px; background: var(--border-mid);
      position: relative; margin: 8px 0;
    }
    .depth-marker {
      position: absolute; left: -3px; width: 7px; height: 7px;
      border-radius: 50%; background: var(--text-dim);
      transition: background 0.4s ease, top 0.4s cubic-bezier(0.4,0,0.2,1);
      top: 0%;
    }
    .depth-marker.zone-1 { background: var(--text-mid); }
    .depth-marker.zone-2 { background: var(--blue); box-shadow: 0 0 8px var(--blue); }
    .depth-marker.zone-3 { background: var(--green); box-shadow: 0 0 8px var(--green); }
    .depth-zone-label {
      font-family: var(--mono); font-size: 7.7px; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim);
      transition: color 0.4s ease; white-space: nowrap;
    }
    .depth-zone-label.active { color: var(--text-mid); }

    /* ── NAV ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 150;
      display: flex; align-items: center; justify-content: space-between;
      padding: 20px 48px;
      background: var(--nav-bg); backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      transition: var(--transition-theme);
    }
    .nav-left { display: flex; align-items: center; gap: 12px; }
    .nav-back {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim);
      text-decoration: none; display: flex; align-items: center; gap: 6px;
      transition: color 0.2s;
    }
    .nav-back:hover { color: var(--text-mid); }
    .nav-back::before { content: '←'; }
    .nav-sep { width: 1px; height: 16px; background: var(--border-mid); }
    .nav-product { display: flex; align-items: baseline; gap: 10px; }
    .nav-product-name {
      font-family: var(--display); font-size: 17.6px; font-weight: 800;
      color: var(--text); letter-spacing: -0.02em;
    }
    .nav-product-by {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim);
    }
    .nav-right { display: flex; align-items: center; gap: 24px; }
    .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
    .nav-links a {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--text-dim); text-decoration: none;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--text); }

    /* Theme toggle with icons */
    .theme-toggle-wrap { display: flex; align-items: center; gap: 8px; }
    .theme-icon-label {
      font-size: 15px; line-height: 1;
      transition: opacity 0.3s;
      user-select: none;
    }
    .icon-moon { opacity: 1; }
    .icon-sun  { opacity: 0.3; }
    [data-theme="light"] .icon-moon { opacity: 0.3; }
    [data-theme="light"] .icon-sun  { opacity: 1; }

    .theme-toggle {
      width: 40px; height: 22px;
      background: var(--border-mid); border-radius: 11px;
      border: none; cursor: pointer; position: relative;
      transition: background 0.3s; flex-shrink: 0;
    }
    .theme-toggle::after {
      content: ''; position: absolute; top: 3px; left: 3px;
      width: 16px; height: 16px; border-radius: 50%;
      background: var(--text);
      transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s;
    }
    [data-theme="light"] .theme-toggle::after { transform: translateX(18px); }

    .nav-cta {
      font-family: var(--mono); font-size: var(--fs-xxs); font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      background: var(--text); color: var(--bg);
      border: none; padding: 11px 22px; cursor: pointer;
      text-decoration: none;
      transition: opacity 0.2s, background 0.45s, color 0.45s;
      white-space: nowrap;
    }
    .nav-cta:hover { opacity: 1; background: var(--green); color: #020202; }

    /* Hamburger — hidden on desktop */
    .hamburger {
      display: none; background: none; border: none; cursor: pointer;
      width: 28px; height: 20px; position: relative; z-index: 210;
      flex-direction: column; justify-content: space-between;
    }
    .hamburger span {
      display: block; width: 100%; height: 2px; background: var(--text);
      transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    /* Mobile menu */
    .mobile-menu {
      display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: var(--nav-bg); backdrop-filter: blur(20px);
      z-index: 149;
      flex-direction: column; align-items: center; justify-content: center; gap: 32px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-family: var(--mono); font-size: 14px; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-mid);
      text-decoration: none; transition: color 0.3s;
    }
    .mobile-menu a:hover { color: var(--text); }
    .mobile-menu a:last-child {
      margin-top: 8px; padding: 12px 24px;
      background: var(--text); color: var(--bg);
      font-weight: 700; font-size: 12px;
    }
    .mobile-menu a:last-child:hover { background: var(--green); color: #020202; }
    .mobile-menu-toggle {
      display: flex; align-items: center; gap: 8px;
    }

    /* ── ZONES ── */
    .zone { position: relative; z-index: 10; transition: var(--transition-theme); }

    /* ── ZONE 1 — SURFACE ── */
    #zone-1 {
      min-height: 100vh; padding: 128px 80px 80px;
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 72px; align-items: center;
    }

    .zone-tag {
      display: inline-flex; align-items: center; gap: 8px;
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--text-dim); margin-bottom: 24px;
    }
    .zone-tag-dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
    .dot-surface { background: var(--text-dim); }
    .dot-system  { background: var(--blue); box-shadow: 0 0 6px var(--blue); }
    .dot-data    { background: var(--green); box-shadow: 0 0 6px var(--green); }

    .zone-1-headline {
      font-family: var(--display);
      font-size: clamp(40px, 4.8vw, 70px);
      font-weight: 800; line-height: 1.02;
      letter-spacing: -0.03em; color: var(--text);
      margin-bottom: 22px;
    }
    .zone-1-headline em { font-style: normal; color: var(--text-dim); }

    .zone-1-sub {
      font-size: var(--fs-body); line-height: 1.72;
      color: var(--text-mid); max-width: 460px; margin-bottom: 40px;
    }
    .zone-1-sub strong { color: var(--text); font-weight: 700; }

    /* 5 outcome pills */
    .outcome-pills {
      display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px;
    }
    .pill {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.1em;
      text-transform: uppercase; padding: 8px 14px;
      border: 1px solid var(--border-mid); color: var(--text-mid);
      background: var(--surface); transition: var(--transition-theme);
      display: flex; align-items: center; gap: 6px;
    }
    .pill svg { width: 11px; height: 11px; flex-shrink: 0; }

    /* Dark theme — vivid accent colours */
    [data-theme="dark"] .pill.pill-green  { border-color: rgba(45,213,115,0.35);  color: var(--green); }
    [data-theme="dark"] .pill.pill-blue   { border-color: rgba(59,130,246,0.35);  color: var(--blue); }
    [data-theme="dark"] .pill.pill-yellow { border-color: rgba(242,201,77,0.35);  color: var(--yellow); }

    /* Light theme — darker, more saturated versions for contrast on pale bg */
    [data-theme="light"] .pill.pill-green  { border-color: rgba(10,140,70,0.4);   color: #0a8c46; }
    [data-theme="light"] .pill.pill-blue   { border-color: rgba(29,88,200,0.4);   color: #1d58c8; }
    [data-theme="light"] .pill.pill-yellow { border-color: rgba(160,120,0,0.4);   color: #8a6800; }

    .cta-row { display: flex; align-items: center; gap: 20px; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 10px;
      background: var(--text); color: var(--bg);
      font-family: var(--mono); font-size: var(--fs-small); font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      text-decoration: none; padding: 15px 26px;
      border: none; cursor: pointer;
      transition: opacity 0.2s, background 0.45s, color 0.45s;
    }
    .btn-primary:hover { opacity: 1; background: var(--green); color: #020202; }
    .btn-primary svg { width: 13px; height: 13px; transition: transform 0.2s; }
    .btn-primary:hover svg { transform: translateX(3px); }
    .btn-ghost {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.1em;
      text-transform: uppercase; color: var(--text-dim);
      background: none; border: none; cursor: pointer; text-decoration: none;
      transition: color 0.2s;
    }
    .btn-ghost:hover { color: var(--text-mid); }

    /* UI showcase */
    .ui-showcase { display: flex; flex-direction: column; gap: 12px; }
    .ui-window {
      border: 1px solid var(--border); background: var(--bg2);
      overflow: hidden; transition: var(--transition-theme);
    }
    .ui-window-bar {
      display: flex; align-items: center; justify-content: space-between;
      padding: 10px 16px; border-bottom: 1px solid var(--border);
      background: var(--bg3); transition: var(--transition-theme);
    }
    .ui-window-title {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.1em;
      color: var(--text-dim);
    }
    .ui-dots { display: flex; gap: 5px; }
    .ui-dot { width: 7px; height: 7px; border-radius: 50%; }
    .ui-window-body { padding: 16px; }

    .mock-table { width: 100%; border-collapse: collapse; }
    .mock-table th {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim); text-align: left;
      padding: 6px 10px; border-bottom: 1px solid var(--border);
    }
    .mock-table td {
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text-mid);
      padding: 10px 10px; border-bottom: 1px solid var(--border); vertical-align: middle;
    }
    .mock-table tr:last-child td { border-bottom: none; }

    .badge {
      display: inline-flex; align-items: center; gap: 4px;
      font-family: var(--mono); font-size: var(--fs-xxs); font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 8px;
    }
    .badge-warn   { color: var(--yellow); border: 1px solid rgba(242,201,77,0.35); }
    .badge-clean  { color: var(--green);  border: 1px solid rgba(45,213,115,0.3); }
    .badge-alert  { color: var(--red);    border: 1px solid rgba(229,73,77,0.35); }
    .badge-scan   { color: var(--blue);   border: 1px solid rgba(59,130,246,0.3); }
    .badge-type   { color: var(--text-dim); border: 1px solid var(--border-mid); }

    /* Stat strip */
    .health-row {
      display: grid; grid-template-columns: repeat(4,1fr);
      gap: 1px; background: var(--border);
    }
    .health-cell {
      background: var(--bg2); padding: 16px 18px;
      transition: var(--transition-theme);
    }
    .health-val {
      font-family: var(--mono); font-size: 24px; font-weight: 700;
      color: var(--text); line-height: 1; display: block;
    }
    .health-lbl {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim); margin-top: 4px; display: block;
    }

    /* ── STATS BANNER ── */
    .stats-banner {
      position: relative; z-index: 10;
      border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
      background: var(--bg2); transition: var(--transition-theme);
      padding: 40px 80px;
    }
    .stats-banner-label {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--text-dim); text-align: center;
      margin-bottom: 32px;
    }
    .stats-grid {
      display: grid; grid-template-columns: repeat(3,1fr);
      gap: 1px; background: var(--border);
    }
    .stat-block {
      background: var(--bg2); padding: 32px 36px;
      transition: var(--transition-theme);
    }
    .stat-big {
      font-family: var(--display); font-size: clamp(36px, 4vw, 56px);
      font-weight: 800; letter-spacing: -0.03em; color: var(--text);
      line-height: 1; margin-bottom: 10px; display: block;
    }
    .stat-desc {
      font-family: var(--sans); font-size: var(--fs-body); line-height: 1.55;
      color: var(--text-mid); margin-bottom: 8px;
    }
    .stat-source {
      font-family: var(--mono); font-size: 9.9px; letter-spacing: 0.1em;
      color: var(--text-dim); font-style: italic;
    }

    /* ── ZONE DIVIDER ── */
    .zone-divider {
      position: relative; z-index: 10;
      background: var(--bg);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 14px 0; text-align: center;
      transition: var(--transition-theme);
    }
    .zone-divider-label {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--text-dim); display: inline-block;
    }

    /* ── ZONE 2 — SYSTEM ── */
    #zone-2 { padding: 96px 80px; background: var(--bg2); }

    .zone-2-header {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 80px; align-items: start; margin-bottom: 64px;
    }
    .zone-2-headline {
      font-family: var(--display);
      font-size: clamp(30px, 3.5vw, 54px);
      font-weight: 800; line-height: 1.06;
      letter-spacing: -0.03em; color: var(--text);
    }
    .zone-2-sub {
      font-size: var(--fs-body); line-height: 1.72; color: var(--text-mid);
      padding-top: 8px;
    }

    /* Four beats */
    .mechanism-grid {
      display: grid; grid-template-columns: repeat(4,1fr);
      gap: 1px; background: var(--border); margin-bottom: 64px;
    }
    .mechanism-beat {
      background: var(--bg2); padding: 32px 26px;
      position: relative; overflow: hidden;
      transition: var(--transition-theme);
    }
    .mechanism-beat::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0;
      height: 2px; opacity: 0; transition: opacity 0.3s;
    }
    .beat-detect::before    { background: var(--blue); }
    .beat-remediate::before { background: var(--yellow); }
    .beat-explain::before   { background: var(--green); }
    .beat-report::before    { background: var(--text-mid); }
    .mechanism-beat:hover::before { opacity: 1; }
    .beat-num {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.16em;
      color: var(--text-dim); margin-bottom: 14px; display: block;
    }
    .beat-title {
      font-family: var(--display); font-size: 24px; font-weight: 800;
      color: var(--text); margin-bottom: 12px; letter-spacing: -0.02em;
    }
    .beat-body { font-size: var(--fs-small); line-height: 1.65; color: var(--text-mid); }
    .beat-tag {
      display: inline-block; margin-top: 16px;
      font-family: var(--mono); font-size: 9.9px; letter-spacing: 0.14em;
      text-transform: uppercase; padding: 3px 8px;
      border: 1px solid var(--border-mid); color: var(--text-dim);
    }

    /* Mid-zone UI screenshot strip */
    .mid-screenshots {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 12px; margin-bottom: 64px;
    }
    .screenshot-card {
      border: 1px solid var(--border); background: var(--bg3);
      overflow: hidden; transition: var(--transition-theme);
    }
    .screenshot-bar {
      padding: 10px 14px; background: var(--bg);
      border-bottom: 1px solid var(--border);
      display: flex; align-items: center; justify-content: space-between;
      transition: var(--transition-theme);
    }
    .screenshot-bar-title {
      font-family: var(--mono); font-size: var(--fs-xxs); color: var(--text-dim);
      letter-spacing: 0.1em;
    }
    .screenshot-body { padding: 20px; }

    /* Scan results mock */
    .scan-result-row {
      display: flex; align-items: center; gap: 10px; padding: 10px 0;
      border-bottom: 1px solid var(--border);
    }
    .scan-result-row:last-child { border-bottom: none; }
    .scan-result-type {
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text-mid);
      flex: 1;
    }
    .scan-result-file {
      font-family: var(--mono); font-size: 9.9px; color: var(--text-dim);
    }

    /* Dataset info mock */
    .dataset-info-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    }
    .di-cell {
      background: var(--bg2); padding: 12px 14px;
      border: 1px solid var(--border); transition: var(--transition-theme);
    }
    .di-label {
      font-family: var(--mono); font-size: 9.9px; letter-spacing: 0.1em;
      text-transform: uppercase; color: var(--text-dim); margin-bottom: 6px;
    }
    .di-val {
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text);
      font-weight: 700;
    }
    .progress-bar {
      margin-top: 6px; height: 3px; background: var(--border);
      border-radius: 2px; overflow: hidden;
    }
    .progress-fill { height: 100%; border-radius: 2px; }

    /* Competitive wedge */
    .wedge-block {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 1px; background: var(--border);
    }
    .wedge-side { background: var(--bg2); padding: 36px 40px; transition: var(--transition-theme); }
    .wedge-label {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--text-dim); margin-bottom: 16px;
      display: flex; align-items: center; gap: 8px;
    }
    .wedge-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
    .wedge-headline {
      font-family: var(--display); font-size: 28px; font-weight: 800;
      letter-spacing: -0.02em; color: var(--text-dim); margin-bottom: 12px; line-height: 1.1;
    }
    .wedge-side.wedge-ours .wedge-headline { color: var(--text); }
    .wedge-body { font-size: var(--fs-small); line-height: 1.65; color: var(--text-dim); }
    .wedge-side.wedge-ours .wedge-body { color: var(--text-mid); }
    .wedge-items { margin-top: 20px; display: flex; flex-direction: column; gap: 9px; }
    .wedge-item {
      display: flex; align-items: flex-start; gap: 10px;
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text-dim); line-height: 1.4;
    }
    .wedge-item-icon { flex-shrink: 0; margin-top: 1px; }
    .wedge-side.wedge-ours .wedge-item { color: var(--text-mid); }

    /* ── USP SECTION ── */
    .usp-section {
      position: relative; z-index: 10;
      padding: 96px 80px; background: var(--bg);
      transition: var(--transition-theme);
    }
    .usp-header { margin-bottom: 56px; }
    .usp-headline {
      font-family: var(--display);
      font-size: clamp(28px, 3vw, 48px);
      font-weight: 800; letter-spacing: -0.03em; color: var(--text);
      margin-bottom: 16px; line-height: 1.06;
    }
    .usp-sub { font-size: var(--fs-body); color: var(--text-mid); max-width: 520px; line-height: 1.65; }

    .usp-grid {
      display: grid; grid-template-columns: repeat(3,1fr);
      gap: 1px; background: var(--border);
    }
    .usp-card {
      background: var(--bg); padding: 32px 28px;
      transition: var(--transition-theme); position: relative; overflow: hidden;
    }
    /* No coloured top bar — let the grid border do the work */
    .usp-card-accent { display: none; }
    .usp-index {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      color: var(--text-dim); margin-bottom: 20px;
    }
    .usp-metric {
      font-family: var(--display); font-size: 30px; font-weight: 800;
      letter-spacing: -0.03em; line-height: 1; margin-bottom: 10px; display: block;
      color: var(--text);
    }
    .usp-title {
      font-family: var(--mono); font-size: var(--fs-xxs); font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--text-dim); margin-bottom: 12px;
    }
    .usp-body { font-size: var(--fs-small); line-height: 1.6; color: var(--text-dim); }

    /* ── ZONE 3 — DATA LAYER ── */
    #zone-3 { padding: 96px 80px 112px; background: var(--bg3); }

    .zone-3-header { margin-bottom: 64px; max-width: 640px; }
    .zone-3-headline {
      font-family: var(--display);
      font-size: clamp(28px, 3vw, 46px);
      font-weight: 800; line-height: 1.06; letter-spacing: -0.03em;
      color: var(--text); margin-bottom: 18px;
    }
    .zone-3-sub {
      font-family: var(--mono); font-size: var(--fs-small); line-height: 1.7;
      color: var(--text-dim);
    }

    /* Threat taxonomy — 6 cells */
    .threat-grid {
      display: grid; grid-template-columns: repeat(3,1fr);
      gap: 1px; background: var(--border); margin-bottom: 64px;
    }
    .threat-cell {
      background: var(--bg3); padding: 26px 26px;
      transition: var(--transition-theme); position: relative; overflow: hidden;
    }
    .threat-cell::after {
      content: attr(data-index);
      position: absolute; bottom: -8px; right: 10px;
      font-family: var(--mono); font-size: 56px; font-weight: 700;
      color: var(--border); line-height: 1; pointer-events: none;
      transition: var(--transition-theme);
    }
    .threat-icon {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.1em;
      color: var(--text-dim); margin-bottom: 12px;
      display: flex; align-items: center; gap: 8px;
    }
    .threat-icon svg { width: 13px; height: 13px; flex-shrink: 0; }
    .threat-name {
      font-family: var(--display); font-size: 16.5px; font-weight: 700;
      color: var(--text); margin-bottom: 9px; letter-spacing: -0.01em;
    }
    .threat-desc {
      font-family: var(--mono); font-size: var(--fs-small); line-height: 1.6; color: var(--text-dim);
    }

    /* Compliance row */
    .compliance-row {
      display: grid; grid-template-columns: repeat(3,1fr);
      gap: 1px; background: var(--border); margin-bottom: 64px;
    }
    .compliance-cell { background: var(--bg3); padding: 28px 32px; transition: var(--transition-theme); }
    .compliance-reg {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--green); margin-bottom: 10px;
    }
    .compliance-title {
      font-family: var(--display); font-size: 19.8px; font-weight: 800;
      color: var(--text); margin-bottom: 10px; letter-spacing: -0.01em;
    }
    .compliance-body {
      font-family: var(--mono); font-size: var(--fs-small); line-height: 1.65; color: var(--text-dim);
    }

    /* Playground/Data Room feature card */
    .feature-card {
      border: 1px solid var(--border-mid); background: var(--bg2);
      margin-bottom: 64px; overflow: hidden; transition: var(--transition-theme);
      position: relative;
    }
    .feature-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0;
      height: 2px; background: linear-gradient(90deg, var(--blue), var(--green));
    }
    .feature-card-inner {
      display: grid; grid-template-columns: 1fr 1fr; gap: 0;
    }
    .feature-card-left { padding: 40px 44px; border-right: 1px solid var(--border); }
    .feature-card-right { padding: 40px 44px; }
    .feature-card-label {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--blue); margin-bottom: 16px;
      display: flex; align-items: center; gap: 8px;
    }
    .feature-card-label svg { width: 12px; height: 12px; }
    .feature-card-title {
      font-family: var(--display); font-size: 28px; font-weight: 800;
      letter-spacing: -0.02em; color: var(--text); margin-bottom: 14px;
    }
    .feature-card-body {
      font-size: var(--fs-body); line-height: 1.68; color: var(--text-mid);
    }
    .feature-list { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }
    .feature-item {
      display: flex; align-items: flex-start; gap: 10px;
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text-mid); line-height: 1.4;
    }
    .feature-item-icon { color: var(--blue); flex-shrink: 0; margin-top: 1px; }

    .playground-section { padding: 96px 80px; }

    /* Playground UI mock */
    .playground-mock { display: flex; flex-direction: column; gap: 10px; }
    .pg-header {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim); margin-bottom: 4px;
    }
    .pg-split-row {
      display: flex; align-items: center; gap: 8px;
    }
    .pg-split-label { font-family: var(--mono); font-size: var(--fs-xxs); color: var(--text-dim); width: 60px; flex-shrink: 0; }
    .pg-split-bar { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
    .pg-split-fill { height: 100%; border-radius: 3px; }
    .pg-split-pct { font-family: var(--mono); font-size: var(--fs-xxs); color: var(--text-mid); width: 36px; text-align: right; }
    .pg-notice {
      margin-top: 4px; padding: 10px 14px;
      background: rgba(45,213,115,0.06);
      border: 1px solid rgba(45,213,115,0.25);
      font-family: var(--mono); font-size: var(--fs-xxs);
      color: var(--green); line-height: 1.5;
    }
    .pg-class-selector { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
    .pg-class-chip {
      font-family: var(--mono); font-size: 9.9px; padding: 4px 10px;
      border: 1px solid var(--border-mid); color: var(--text-dim); cursor: pointer;
    }
    .pg-class-chip.active { border-color: var(--blue); color: var(--blue); background: rgba(59,130,246,0.06); }

    /* Reports feature note */
    .reports-note {
      padding: 24px 32px; background: var(--bg3);
      border: 1px solid var(--border); margin-bottom: 64px;
      display: flex; align-items: center; gap: 24px;
      transition: var(--transition-theme);
    }
    .reports-note-icon {
      width: 40px; height: 40px; flex-shrink: 0;
      display: flex; align-items: center; justify-content: center;
      border: 1px solid var(--border-mid);
    }
    .reports-note-icon svg { width: 20px; height: 20px; color: var(--text-dim); }
    .reports-note-title {
      font-family: var(--mono); font-size: var(--fs-small); font-weight: 700;
      letter-spacing: 0.06em; text-transform: uppercase; color: var(--text);
      margin-bottom: 4px;
    }
    .reports-note-body { font-size: var(--fs-small); color: var(--text-mid); line-height: 1.6; }

    /* Terminal / UI flipper */
    .terminal-flipper { position: relative; margin-bottom: 64px; overflow: hidden; }
    .flipper-tabs {
      display: flex; border-bottom: 1px solid var(--border);
      background: var(--bg); transition: var(--transition-theme);
    }
    .flipper-tab {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.12em;
      text-transform: uppercase; padding: 12px 20px;
      color: var(--text-dim); cursor: pointer; border: none; background: none;
      border-bottom: 2px solid transparent; margin-bottom: -1px;
      transition: color 0.2s, border-color 0.2s;
    }
    .flipper-tab.active { color: var(--text); border-bottom-color: var(--text); }
    .flipper-panel { display: none; }
    .flipper-panel.active { display: block; }

    .terminal {
      background: var(--bg); border: 1px solid var(--border);
      border-top: none; transition: var(--transition-theme);
    }
    .terminal-body {
      padding: 24px 28px;
      font-family: var(--mono); font-size: var(--fs-small); line-height: 1.8; color: var(--text-mid);
    }
    .term-comment { color: var(--text-dim); }
    .term-key { color: var(--blue); }
    .term-val { color: var(--green); }
    .term-str { color: var(--yellow); }
    .term-num { color: var(--red); }
    .term-cursor {
      display: inline-block; width: 9px; height: var(--fs-body);
      background: var(--text-mid); vertical-align: middle;
      animation: blink 1.1s step-end infinite; margin-left: 2px;
    }
    @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

    /* UI panel mock for flipper */
    .ui-panel {
      background: var(--bg); border: 1px solid var(--border);
      border-top: none; padding: 24px; transition: var(--transition-theme);
    }
    .ui-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .ui-panel-cell {
      background: var(--bg2); border: 1px solid var(--border);
      padding: 16px 18px; transition: var(--transition-theme);
    }
    .ui-panel-label {
      font-family: var(--mono); font-size: 9.9px; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px;
    }
    .ui-panel-finding {
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text);
      margin-bottom: 6px; font-weight: 700;
    }
    .ui-panel-detail { font-family: var(--mono); font-size: 9.9px; color: var(--text-dim); line-height: 1.5; }

    /* Bottom CTA */
    .bottom-cta { text-align: center; padding: 72px 0 0; }
    .bottom-cta-label {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--text-dim); margin-bottom: 22px;
    }
    .bottom-cta-headline {
      font-family: var(--display);
      font-size: clamp(28px, 3.5vw, 50px);
      font-weight: 800; letter-spacing: -0.03em;
      color: var(--text); margin-bottom: 16px; line-height: 1.08;
    }
    .bottom-cta-sub {
      font-family: var(--mono); font-size: var(--fs-small); color: var(--text-dim);
      margin-bottom: 40px; max-width: 440px; margin-left: auto; margin-right: auto; line-height: 1.6;
    }
    .bottom-cta-actions {
      display: flex; align-items: center; justify-content: center;
      gap: 20px; flex-wrap: wrap;
    }
    .bottom-note { margin-top: 20px; font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.1em; color: var(--text-dim); }

    /* ── FOOTER ── */
    footer {
      position: relative; z-index: 10;
      border-top: 1px solid var(--border); padding: 28px 80px;
      display: flex; align-items: center; justify-content: space-between;
      background: var(--bg); transition: var(--transition-theme);
    }
    .footer-brand { font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em; color: var(--text-dim); }
    .footer-brand strong { color: var(--text-mid); }
    .footer-links { display: flex; gap: 28px; list-style: none; }
    .footer-links a {
      font-family: var(--mono); font-size: var(--fs-xxs); letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--text-dim); text-decoration: none; transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--text-mid); }

    /* ── REVEAL ANIMATIONS ── */
    .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s 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: 1100px) {
      #zone-1, .zone-2-header { grid-template-columns: 1fr; gap: 48px; }
      .mechanism-grid { grid-template-columns: 1fr 1fr; }
      .threat-grid { grid-template-columns: repeat(2,1fr); }
      .compliance-row { grid-template-columns: 1fr; }
      nav { padding: 16px 24px; }
      .nav-links { display: none; }
      .nav-right { display: none; }
      .hamburger { display: flex; }
      #zone-1, #zone-2, #zone-3, .usp-section, .stats-banner, .playground-section { padding: 80px 24px; }
      footer { padding: 24px; flex-direction: column; gap: 16px; text-align: center; }
      #depth-indicator { display: none; }
      .wedge-block, .feature-card-inner { grid-template-columns: 1fr; }
      .feature-card-left { border-right: none; border-bottom: 1px solid var(--border); padding: 28px 24px; }
      .feature-card-right { padding: 28px 24px; }
      .usp-grid { grid-template-columns: 1fr !important; }
      .mid-screenshots { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr; }
      .ui-panel-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 640px) {
      nav { padding: 12px 16px; gap: 8px; }
      .nav-back { font-size: 0; }
      .nav-back::before { font-size: var(--fs-xxs); }
      .nav-sep { display: none; }
      .nav-product-by { display: none; }

      #zone-1 { padding: 100px 16px 56px; min-height: auto; }
      #zone-2, #zone-3, .usp-section, .stats-banner, .playground-section { padding: 56px 16px; }

      .zone-1-headline { font-size: clamp(28px, 7vw, 42px); margin-bottom: 16px; }
      .zone-1-sub { margin-bottom: 24px; }

      .outcome-pills { gap: 6px; margin-bottom: 28px; }
      .pill { padding: 6px 10px; font-size: 8px; }

      .cta-row { flex-direction: column; align-items: stretch; gap: 12px; }
      .btn-primary { justify-content: center; padding: 14px 20px; font-size: 11px; }
      .btn-ghost { text-align: center; }

      .ui-showcase { overflow-x: auto; }
      .ui-window-body { overflow-x: auto; }
      .mock-table { min-width: 480px; }

      .mechanism-grid, .threat-grid, .health-row { grid-template-columns: 1fr; }
      .compliance-row { grid-template-columns: 1fr; }

      .stat-block { padding: 24px 20px; }

      .zone-2-headline, .zone-3-headline { font-size: clamp(24px, 6vw, 36px); }

      .terminal-body { padding: 16px; font-size: 10px; overflow-x: auto; }
      .terminal-body > div { white-space: nowrap; }

      .bottom-cta { padding: 48px 0 0; }
      .bottom-cta-headline { font-size: clamp(22px, 5.5vw, 36px); }
      .bottom-cta-actions { flex-direction: column; align-items: stretch; }

      footer { padding: 20px 16px; }
      .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
    }

    /* ── WIDE SCREEN CONTAINMENT ── */
    @media (min-width: 1400px) {
      #zone-1, #zone-2, #zone-3, .usp-section, .stats-banner, .playground-section {
        padding-left: calc((100vw - 1280px) / 2);
        padding-right: calc((100vw - 1280px) / 2);
      }
      nav, footer {
        padding-left: calc((100vw - 1280px) / 2);
        padding-right: calc((100vw - 1280px) / 2);
      }
      .zone-divider {
        padding-left: calc((100vw - 1280px) / 2);
        padding-right: calc((100vw - 1280px) / 2);
      }
    }

    @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.85)} }