/* ========================================
       DESIGN SYSTEM — "Digital Fortress"
       Dark, precise, authoritative.
       ======================================== */

    @font-face {
      font-family: 'Geist Mono';
      src: local('Geist Mono'), local('GeistMono-Regular');
    }

    :root {
      --font-mono: 'Geist Mono', 'Berkeley Mono', 'IBM Plex Mono', 'SF Mono', 'Cascadia Code', 'Fira Code', 'JetBrains Mono', ui-monospace, monospace;
      --font-display: 'Geist Mono', 'Berkeley Mono', 'SF Mono', ui-monospace, monospace;

      --bg-deep: #04070d;
      --bg: #080c14;
      --bg-elevated: #0d1320;
      --bg-surface: #111927;
      --bg-surface-2: #171f2e;
      --border: #1a2438;
      --border-bright: #243049;
      --border-glow: rgba(0, 255, 200, 0.12);

      --text: #d4dce8;
      --text-bright: #edf2f7;
      --text-muted: #6b7a8d;
      --text-dim: #3d4d60;

      --accent: #00ffc8;
      --accent-dim: #00b890;
      --accent-glow: rgba(0, 255, 200, 0.08);
      --accent-glow-strong: rgba(0, 255, 200, 0.2);

      --red: #ff4d6a;
      --red-dim: rgba(255, 77, 106, 0.12);
      --orange: #ff9340;
      --orange-dim: rgba(255, 147, 64, 0.12);
      --yellow: #ffd43b;
      --green: #00ffc8;
      --green-dim: rgba(0, 255, 200, 0.12);
      --blue: #4dabf7;
      --purple: #b197fc;

      --max-w: 1140px;
      --radius: 8px;
      --radius-lg: 14px;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      background: var(--bg);
    }

    body {
      font-family: var(--font-mono);
      background: var(--bg);
      color: var(--text);
      line-height: 1.65;
      font-size: 14px;
      overflow-x: hidden;
    }

    /* Grid background — small squares */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background:
        linear-gradient(rgba(0,255,200,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,255,200,.025) 1px, transparent 1px);
      background-size: 24px 24px;
      pointer-events: none;
      z-index: 0;
    }

    /* Mouse-following glow on grid */
    .grid-glow {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      opacity: 0;
      transition: opacity .4s;
      background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(0,255,200,.07), transparent 60%);
    }

    .grid-glow.active { opacity: 1; }

    /* Scan line effect */
    body::after {
      content: '';
      position: fixed;
      inset: 0;
      background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0,0,0,.03) 2px,
        rgba(0,0,0,.03) 4px
      );
      pointer-events: none;
      z-index: 9999;
    }

    a { color: var(--accent); text-decoration: none; transition: color .2s; }
    a:hover { color: var(--text-bright); }

    ::selection {
      background: var(--accent);
      color: var(--bg);
    }

    /* ========================================
       NAVIGATION
       ======================================== */

    header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: var(--bg);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 54px;
    }

    .logo {
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: -.02em;
      display: flex;
      align-items: center;
      gap: .5rem;
    }

    .logo-mark {
      width: 20px;
      height: 20px;
      border: 2px solid var(--accent);
      border-radius: 4px;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .logo-mark::after {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 1px;
      box-shadow: 0 0 4px rgba(255, 204, 0, .35);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
      list-style: none;
    }

    .nav-links a {
      color: var(--text-muted);
      font-size: .78rem;
      letter-spacing: .04em;
      text-transform: uppercase;
      transition: color .2s;
    }

    .nav-links a:hover { color: var(--accent); }

    .nav-cta {
      font-size: .75rem;
      padding: .4rem 1rem;
      border: 1px solid var(--accent-dim);
      border-radius: var(--radius);
      color: var(--accent) !important;
      transition: all .2s;
    }

    .nav-cta:hover {
      background: var(--accent-glow);
      border-color: var(--accent);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-muted);
      font-size: 1.2rem;
      cursor: pointer;
      padding: .5rem;
    }

    /* ========================================
       HERO
       ======================================== */

    .hero {
      position: relative;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 10rem 2rem 6rem;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: .6rem;
      padding: .35rem 1rem;
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: 999px;
      font-size: .7rem;
      color: var(--text-muted);
      margin-bottom: 2rem;
      letter-spacing: .03em;
    }

    .hero-badge .dot {
      width: 5px;
      height: 5px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow-strong); }
      50% { opacity: .6; box-shadow: 0 0 0 6px transparent; }
    }

    .hero h1 {
      font-family: var(--font-display);
      font-size: clamp(2.2rem, 5.5vw, 4rem);
      font-weight: 800;
      line-height: 1.08;
      letter-spacing: -.04em;
      margin-bottom: 1.5rem;
      max-width: 700px;
    }

    .hero h1 .cmd {
      color: var(--accent);
      position: relative;
    }

    .hero h1 .cmd::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent);
      opacity: .3;
      border-radius: 2px;
    }

    .hero-sub {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 540px;
      line-height: 1.7;
      margin-bottom: 2.5rem;
    }

    .hero-sub strong { color: var(--text); font-weight: 600; }

    .hero-actions {
      display: flex;
      gap: 1rem;
      align-items: center;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      padding: .65rem 1.5rem;
      border-radius: var(--radius);
      font-family: var(--font-mono);
      font-size: .82rem;
      font-weight: 600;
      letter-spacing: .01em;
      transition: all .25s;
      cursor: pointer;
      border: none;
      text-decoration: none;
    }

    .btn:hover { text-decoration: none; }

    .btn-accent {
      background: var(--accent);
      color: var(--bg);
    }

    .btn-accent:hover {
      background: var(--text-bright);
      color: var(--bg);
      box-shadow: 0 0 30px var(--accent-glow-strong);
    }

    .btn-ghost {
      background: transparent;
      color: var(--text);
      border: 1px solid var(--border-bright);
    }

    .btn-ghost:hover {
      border-color: var(--accent-dim);
      color: var(--accent);
    }

    /* Hero glow */
    .hero-glow {
      position: absolute;
      top: 60px;
      right: -100px;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }

    /* ========================================
       TERMINAL
       ======================================== */

    .term {
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow:
        0 0 0 1px var(--border),
        0 20px 60px rgba(0,0,0,.5),
        0 0 80px var(--accent-glow);
    }

    .term-bar {
      background: var(--bg-surface);
      padding: .55rem 1rem;
      display: flex;
      align-items: center;
      gap: 6px;
      border-bottom: 1px solid var(--border);
    }

    .term-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      opacity: .7;
    }

    .term-dot:nth-child(1) { background: #ff5f57; }
    .term-dot:nth-child(2) { background: #febc2e; }
    .term-dot:nth-child(3) { background: #28c840; }

    .term-title {
      flex: 1;
      text-align: center;
      font-size: .65rem;
      color: var(--text-dim);
      letter-spacing: .06em;
      text-transform: uppercase;
    }

    .term-body {
      padding: 1.4rem 1.6rem;
      font-size: .8rem;
      line-height: 1.75;
      overflow-x: auto;
    }

    .term-body pre { margin: 0; white-space: pre; }

    .t-prompt { color: var(--accent-dim); }
    .t-cmd { color: var(--text-bright); font-weight: 600; }
    .t-comment { color: var(--text-dim); }
    .t-key { color: var(--text-muted); }
    .t-val { color: var(--accent); }
    .t-str { color: var(--green); }
    .t-warn { color: var(--orange); }
    .t-err { color: var(--red); }
    .t-num { color: var(--blue); }

    .hero-terminal {
      margin-top: 3.5rem;
      max-width: 680px;
    }

    /* ========================================
       SECTIONS
       ======================================== */

    .section {
      position: relative;
      z-index: 1;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 7rem 2rem;
    }

    .section-label {
      font-size: .65rem;
      letter-spacing: .15em;
      text-transform: uppercase;
      color: var(--accent-dim);
      margin-bottom: .8rem;
      display: flex;
      align-items: center;
      gap: .6rem;
    }

    .section-label::before {
      content: '';
      width: 20px;
      height: 1px;
      background: var(--accent-dim);
    }

    .section h2 {
      font-family: var(--font-display);
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 700;
      letter-spacing: -.03em;
      margin-bottom: .6rem;
      color: var(--text-bright);
    }

    .section-desc {
      color: var(--text-muted);
      font-size: .9rem;
      max-width: 520px;
      margin-bottom: 3rem;
    }

    /* Divider */
    .divider {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 2rem;
    }

    .divider::after {
      content: '';
      display: block;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--border-bright), transparent);
    }

    /* ========================================
       PROBLEM STATS
       ======================================== */

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .stat-card {
      background: var(--bg-elevated);
      padding: 2rem 1.5rem;
      text-align: center;
      transition: background .3s;
    }

    .stat-card:hover {
      background: var(--bg-surface);
    }

    .stat-number {
      font-family: var(--font-display);
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: -.03em;
      line-height: 1;
      margin-bottom: .5rem;
    }

    .stat-number.danger { color: var(--red); }

    .stat-label {
      font-size: .72rem;
      color: var(--text-muted);
      letter-spacing: .02em;
      line-height: 1.4;
    }

    /* ========================================
       HOW IT WORKS
       ======================================== */

    .steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      counter-reset: step;
    }

    .step {
      position: relative;
      counter-increment: step;
      padding: 2rem;
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      transition: border-color .3s;
    }

    .step:hover { border-color: var(--accent-dim); }

    .step::before {
      content: counter(step, decimal-leading-zero);
      font-family: var(--font-display);
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--border-bright);
      line-height: 1;
      display: block;
      margin-bottom: 1.2rem;
    }

    .step h3 {
      font-size: .9rem;
      font-weight: 700;
      margin-bottom: .5rem;
      color: var(--text-bright);
    }

    .step p {
      font-size: .8rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .step code {
      display: inline-block;
      background: var(--bg-deep);
      padding: .15rem .5rem;
      border-radius: 4px;
      font-size: .75rem;
      color: var(--accent);
      margin-top: .5rem;
    }

    /* Step connector */
    .step:not(:last-child)::after {
      content: '';
      position: absolute;
      top: 50%;
      right: -1.1rem;
      width: 1.2rem;
      height: 1px;
      background: var(--border-bright);
    }

    /* ========================================
       FEATURES GRID
       ======================================== */

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .feat {
      background: var(--bg-elevated);
      padding: 2.2rem;
      transition: background .3s;
      position: relative;
    }

    .feat:hover { background: var(--bg-surface); }

    .feat-icon {
      width: 36px;
      height: 36px;
      border: 1px solid var(--border-bright);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.2rem;
      font-size: 1rem;
      color: var(--accent);
      background: var(--bg-deep);
    }

    .feat h3 {
      font-size: .88rem;
      font-weight: 700;
      margin-bottom: .5rem;
      color: var(--text-bright);
    }

    .feat p {
      font-size: .78rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .feat-tag {
      display: inline-block;
      margin-top: .8rem;
      font-size: .65rem;
      padding: .2rem .6rem;
      border-radius: 4px;
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    .feat-tag.green { background: var(--green-dim); color: var(--green); }
    .feat-tag.red { background: var(--red-dim); color: var(--red); }
    .feat-tag.orange { background: var(--orange-dim); color: var(--orange); }

    /* ========================================
       LIVE DEMO
       ======================================== */

    .demo-container {
      max-width: 700px;
    }

    .demo-input-row {
      display: flex;
      gap: .5rem;
      margin-bottom: 1.5rem;
    }

    .demo-input {
      flex: 1;
      background: var(--bg-deep);
      border: 1px solid var(--border-bright);
      border-radius: var(--radius);
      padding: .7rem 1rem;
      font-family: var(--font-mono);
      font-size: .85rem;
      color: var(--text-bright);
      outline: none;
      transition: border-color .2s;
    }

    .demo-input::placeholder { color: var(--text-dim); }
    .demo-input:focus { border-color: var(--accent-dim); }

    .demo-btn {
      padding: .7rem 1.5rem;
      background: var(--accent-dim);
      color: var(--bg);
      border: none;
      border-radius: var(--radius);
      font-family: var(--font-mono);
      font-size: .82rem;
      font-weight: 700;
      cursor: pointer;
      transition: all .2s;
      white-space: nowrap;
    }

    .demo-btn:hover { background: var(--accent); }

    .demo-suggestions {
      display: flex;
      gap: .5rem;
      flex-wrap: wrap;
      margin-bottom: 1rem;
    }

    .demo-sug {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: .3rem .7rem;
      font-size: .7rem;
      color: var(--text-muted);
      cursor: pointer;
      transition: all .2s;
    }

    .demo-sug:hover {
      border-color: var(--accent-dim);
      color: var(--accent);
    }

    .demo-result {
      min-height: 180px;
    }

    /* ========================================
       SCORING
       ======================================== */

    .score-bars {
      display: flex;
      flex-direction: column;
      gap: 1.2rem;
      max-width: 600px;
    }

    .score-row {
      display: grid;
      grid-template-columns: 110px 1fr 50px;
      align-items: center;
      gap: 1rem;
    }

    .score-label {
      font-size: .8rem;
      font-weight: 600;
      color: var(--text);
    }

    .score-track {
      height: 8px;
      background: var(--bg-deep);
      border-radius: 4px;
      overflow: hidden;
      position: relative;
    }

    .score-fill {
      height: 100%;
      background: var(--accent);
      border-radius: 4px;
      transition: width 1s cubic-bezier(.4,0,.2,1);
    }

    .score-pct {
      font-size: .8rem;
      color: var(--accent);
      font-weight: 700;
      text-align: right;
    }

    .thresholds {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      margin-top: 3rem;
    }

    .threshold {
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.2rem;
      text-align: center;
    }

    .threshold-score {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: .3rem;
    }

    .threshold-action {
      font-size: .75rem;
      font-weight: 700;
      letter-spacing: .05em;
      text-transform: uppercase;
      margin-bottom: .3rem;
    }

    .threshold-desc {
      font-size: .7rem;
      color: var(--text-muted);
    }

    .threshold.safe { border-color: rgba(0,255,200,.2); }
    .threshold.safe .threshold-score { color: var(--green); }
    .threshold.safe .threshold-action { color: var(--green); }

    .threshold.warn { border-color: rgba(255,147,64,.2); }
    .threshold.warn .threshold-score { color: var(--orange); }
    .threshold.warn .threshold-action { color: var(--orange); }

    .threshold.danger { border-color: rgba(255,77,106,.2); }
    .threshold.danger .threshold-score { color: var(--red); }
    .threshold.danger .threshold-action { color: var(--red); }

    /* ========================================
       ATTACKS TABLE
       ======================================== */

    .attacks-table-wrap {
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
    }

    .attacks-table {
      width: 100%;
      border-collapse: collapse;
      font-size: .78rem;
      min-width: 800px;
    }

    .attacks-table thead { background: var(--bg-surface); }

    .attacks-table th {
      padding: .9rem 1.2rem;
      text-align: left;
      font-size: .68rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: var(--text-muted);
      font-weight: 600;
      border-bottom: 1px solid var(--border);
    }

    .attacks-table td {
      padding: .9rem 1.2rem;
      border-bottom: 1px solid var(--border);
      color: var(--text-muted);
      vertical-align: top;
    }

    .attacks-table tr:last-child td { border-bottom: none; }

    .attacks-table tr:hover td { background: var(--bg-elevated); }

    .attacks-table td:first-child {
      color: var(--text-bright);
      font-weight: 600;
      white-space: nowrap;
    }

    .sev-badge {
      display: inline-block;
      padding: .15rem .55rem;
      border-radius: 4px;
      font-size: .65rem;
      font-weight: 700;
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    .sev-badge.crit { background: var(--red-dim); color: var(--red); }
    .sev-badge.high { background: var(--orange-dim); color: var(--orange); }

    /* ========================================
       INTEGRATIONS
       ======================================== */

    .integrations-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      margin-bottom: 2.5rem;
    }

    .integ {
      background: var(--bg-elevated);
      padding: 1.3rem;
      text-align: center;
      font-size: .8rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: all .3s;
    }

    .integ:hover {
      background: var(--bg-surface);
      color: var(--accent);
    }

    .integ-status {
      display: block;
      font-size: .6rem;
      color: var(--accent-dim);
      margin-top: .3rem;
      font-weight: 400;
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    /* ========================================
       COMPARISON TABLE
       ======================================== */

    .compare-wrap {
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: .78rem;
      min-width: 500px;
    }

    .compare-table thead { background: var(--bg-surface); }

    .compare-table th {
      padding: .9rem 1.2rem;
      text-align: left;
      font-size: .7rem;
      letter-spacing: .06em;
      text-transform: uppercase;
      color: var(--text-muted);
      font-weight: 600;
      border-bottom: 1px solid var(--border);
    }

    .compare-table th:not(:first-child) { text-align: center; }

    .compare-table td {
      padding: .7rem 1.2rem;
      border-bottom: 1px solid var(--border);
      color: var(--text-muted);
    }

    .compare-table td:not(:first-child) { text-align: center; }

    .compare-table tr:last-child td { border-bottom: none; }
    .compare-table tr:hover td { background: var(--bg-elevated); }

    .check { color: var(--accent); font-weight: 700; }
    .cross { color: var(--text-dim); }

    /* ========================================
       NATIVE ALTERNATIVES
       ======================================== */

    .natives-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    .native-card {
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.4rem;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: .8rem;
      transition: border-color .3s;
    }

    .native-card:hover { border-color: var(--accent-dim); }

    .native-instead {
      font-size: .7rem;
      color: var(--text-dim);
      text-decoration: line-through;
      margin-bottom: .3rem;
    }

    .native-use {
      font-size: .85rem;
      color: var(--accent);
      font-weight: 700;
    }

    .native-desc {
      font-size: .72rem;
      color: var(--text-muted);
      margin-top: .3rem;
    }

    .native-ver {
      align-self: center;
      font-size: .65rem;
      color: var(--text-dim);
      padding: .2rem .6rem;
      border: 1px solid var(--border);
      border-radius: 4px;
      white-space: nowrap;
    }

    /* ========================================
       FOOTER CTA
       ======================================== */

    .final-cta {
      text-align: center;
      padding-bottom: 8rem;
    }

    .final-cta h2 {
      margin-bottom: 1rem;
    }

    .final-cta .section-desc {
      margin: 0 auto 2.5rem;
    }

    .final-term {
      max-width: 500px;
      margin: 0 auto 2.5rem;
    }

    /* ========================================
       FOOTER
       ======================================== */

    footer {
      position: relative;
      z-index: 1;
      border-top: 2px solid transparent;
      border-image: linear-gradient(90deg, #006600 0%, #006600 38%, #ffcc00 50%, #ff0000 62%, #ff0000 100%) 1;
      padding: 3rem 2rem;
    }

    .footer-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .footer-left {
      font-size: .75rem;
      color: var(--text-dim);
    }

    .footer-links {
      display: flex;
      gap: 1.5rem;
    }

    .footer-links a {
      font-size: .75rem;
      color: var(--text-muted);
      letter-spacing: .03em;
    }

    .footer-links a:hover { color: var(--accent); }

    .made-in-pt {
      display: inline-flex;
      align-items: center;
      font-size: .7rem;
      color: var(--text-dim);
      letter-spacing: .03em;
    }

    /* ========================================
       CONTACT
       ======================================== */

    .contact-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
    }

    .contact-card {
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 2rem;
      transition: border-color .3s, background .3s;
      display: block;
      text-decoration: none;
      color: inherit;
    }

    .contact-card:hover {
      border-color: var(--accent-dim);
      background: var(--bg-surface);
      text-decoration: none;
      color: inherit;
    }

    .contact-label {
      font-size: .65rem;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--accent-dim);
      margin-bottom: .5rem;
    }

    .contact-value {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-bright);
      margin-bottom: .5rem;
    }

    .contact-desc {
      font-size: .78rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* ========================================
       SPA ROUTER
       ======================================== */

    [data-page] {
      animation: pageFadeIn .35s ease-out;
    }

    @keyframes pageFadeIn {
      from { opacity: 0; transform: translateY(12px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Active nav link */
    .nav-links a.nav-active {
      color: var(--accent) !important;
      position: relative;
    }

    .nav-links a.nav-active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--accent);
      border-radius: 1px;
    }

    /* Page-specific hero padding for non-home pages */
    [data-page]:not([data-page="home"]) .section:first-child {
      padding-top: 8rem;
    }

    /* ========================================
       ANIMATIONS
       ======================================== */

    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: .1s; }
    .reveal-delay-2 { transition-delay: .2s; }
    .reveal-delay-3 { transition-delay: .3s; }

    @keyframes typing-cursor {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }

    .cursor {
      display: inline-block;
      width: 8px;
      height: 16px;
      background: var(--accent);
      margin-left: 2px;
      animation: typing-cursor 1s infinite;
      vertical-align: text-bottom;
    }

    /* ========================================
       RESPONSIVE
       ======================================== */

    @media (max-width: 900px) {
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .steps { grid-template-columns: 1fr; }
      .step:not(:last-child)::after { display: none; }
      .features-grid { grid-template-columns: 1fr; }
      .natives-grid { grid-template-columns: 1fr; }
      .thresholds { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .integrations-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 640px) {
      .hero { padding: 7rem 1.5rem 4rem; }
      .hero h1 { font-size: 1.8rem; }
      .section { padding: 4rem 1.5rem; }
      .nav-links { display: none; }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 54px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 1.5rem 2rem;
        gap: 1.2rem;
        z-index: 99;
        box-shadow: 0 10px 30px rgba(0,0,0,.5);
      }
      .mobile-toggle { display: block; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .stat-number { font-size: 1.6rem; }
      .stat-label { font-size: .65rem; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn { justify-content: center; }
      .demo-input-row { flex-direction: column; }
      .contact-grid { grid-template-columns: 1fr; }
      .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
      .footer-links { flex-wrap: wrap; justify-content: center; }
      .score-row { grid-template-columns: 90px 1fr 40px; }
      .hero-terminal { margin-top: 2rem; }
      .term-body { padding: 1rem; font-size: .72rem; }
      .integrations-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-badge { font-size: .6rem; padding: .3rem .8rem; }
      .compare-table { font-size: .68rem; }
      .compare-table th,
      .compare-table td { padding: .5rem .6rem; }
      .attacks-table th,
      .attacks-table td { padding: .6rem .8rem; }
    }