:root {
      --bg: #09090b;
      --surface: #131316;
      --surface-2: #1a1a1f;
      --border: #232329;
      --border-hover: #33333d;
      --text: #e4e4e7;
      --text-muted: #71717a;
      --text-dim: #52525b;
      --white: #fafafa;
      --accent: #a78bfa;
      --accent-hover: #8b5cf6;
      --accent-glow: rgba(167, 139, 250, 0.12);
      --accent-glow-strong: rgba(167, 139, 250, 0.25);
      --green: #4ade80;
      --red: #71717a;
    }

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

    .skip-link {
      position: absolute;
      top: -100%;
      left: 16px;
      z-index: 200;
      padding: 8px 16px;
      background: var(--accent);
      color: var(--bg);
      font-weight: 600;
      font-size: 14px;
      border-radius: 0 0 8px 8px;
      text-decoration: none;
      transition: top 0.2s;
    }
    .skip-link:focus {
      top: 0;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* --- NAV --- */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      padding: 16px 24px;
      background: rgba(9, 9, 11, 0.8);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      max-width: 960px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .nav-logo-text {
      font-size: 16px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.02em;
    }
    .nav-cta {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      text-decoration: none;
      padding: 8px 16px;
      border: 1px solid var(--accent);
      border-radius: 8px;
      transition: all 0.2s;
    }
    .nav-cta:hover {
      background: var(--accent-glow);
    }

    /* --- OWL SVG --- */
    .nav-logo-icon {
      width: 26px;
      height: 26px;
      fill: var(--accent);
      flex-shrink: 0;
    }

    /* --- HERO --- */
    .hero {
      max-width: 720px;
      margin: 0 auto;
      padding: 140px 24px 80px;
      text-align: center;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: var(--accent-glow);
      border: 1px solid rgba(167, 139, 250, 0.2);
      border-radius: 100px;
      padding: 6px 14px;
      margin-bottom: 28px;
      letter-spacing: 0.02em;
    }
    .badge-dot {
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulse 2s ease-in-out infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }
    h1 {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.1;
      color: var(--white);
      letter-spacing: -0.03em;
      margin-bottom: 20px;
    }
    h1 span {
      background: linear-gradient(135deg, var(--accent) 0%, #c4b5fd 50%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub {
      font-size: 18px;
      line-height: 1.7;
      color: var(--text-muted);
      max-width: 520px;
      margin: 0 auto 32px;
    }
    .hero-cta {
      display: inline-block;
      background: var(--accent);
      color: var(--bg);
      font-family: 'Inter', sans-serif;
      font-size: 15px;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: 12px;
      text-decoration: none;
      transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    }
    .hero-cta:hover {
      background: var(--accent-hover);
      box-shadow: 0 0 24px var(--accent-glow-strong), 0 4px 12px rgba(0,0,0,0.3);
      transform: translateY(-1px);
    }

    .hero-waitlist-form {
      max-width: 380px;
      margin: 0 auto;
    }
    .hero-proof {
      font-size: 12px;
      color: var(--text-dim);
      margin-top: 32px;
      letter-spacing: 0.02em;
    }
    .hero .waitlist-success,
    .hero .waitlist-error {
      margin-top: 8px;
    }

    /* --- BEFORE/AFTER --- */
    .demo-section {
      max-width: 820px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .demo-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
    }
    .demo-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 20px;
      background: var(--surface-2);
      border-bottom: 1px solid var(--border);
    }
    .demo-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--border);
    }
    .demo-dot:nth-child(1) { background: #ff5f57; }
    .demo-dot:nth-child(2) { background: #febc2e; }
    .demo-dot:nth-child(3) { background: #28c840; }
    .demo-title {
      font-size: 12px;
      color: var(--text-dim);
      margin-left: 8px;
      font-family: 'JetBrains Mono', monospace;
    }
    .demo-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .demo-col {
      padding: 28px 24px;
    }
    .demo-col:first-child {
      border-right: 1px solid var(--border);
    }
    .demo-label {
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .demo-label.before { color: var(--text-dim); }
    .demo-label.after { color: var(--green); }
    .demo-file {
      font-family: 'JetBrains Mono', monospace;
      font-size: 12.5px;
      line-height: 2.2;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .demo-col:first-child .demo-file { color: var(--text-dim); }
    .demo-col:last-child .demo-file { color: var(--text); }
    .file-icon {
      width: 14px;
      height: 14px;
      flex-shrink: 0;
      opacity: 0.5;
    }
    .demo-col:last-child .file-icon { opacity: 0.8; }
    .demo-arrow {
      display: none;
    }

    /* --- SHOWCASE --- */
    .showcase-section {
      max-width: 1060px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .showcase-row {
      display: grid;
      grid-template-columns: 1.3fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 64px;
    }
    .showcase-row.reverse {
      grid-template-columns: 1fr 1.3fr;
    }
    .showcase-row.reverse .showcase-features { order: -1; }
    .showcase-window {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
    }
    .showcase-titlebar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      background: var(--surface-2);
      border-bottom: 1px solid var(--border);
    }
    .showcase-titlebar .demo-dot { width: 10px; height: 10px; border-radius: 50%; }
    .showcase-titlebar .demo-dot:nth-child(1) { background: #ff5f57; }
    .showcase-titlebar .demo-dot:nth-child(2) { background: #febc2e; }
    .showcase-titlebar .demo-dot:nth-child(3) { background: #28c840; }
    .showcase-titlebar-text {
      font-size: 12px;
      color: var(--text-dim);
      margin-left: 8px;
      font-family: 'JetBrains Mono', monospace;
    }
    .showcase-features {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .showcase-features h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.02em;
      line-height: 1.2;
    }
    .sc-feat {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }
    .sc-feat-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--accent-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .sc-feat-icon svg {
      width: 18px;
      height: 18px;
      stroke: var(--accent);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
    .sc-feat-text h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 3px;
    }
    .sc-feat-text p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    @media (max-width: 768px) {
      .showcase-row,
      .showcase-row.reverse {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .showcase-row.reverse .showcase-features { order: 0; }
    }

    /* --- Library View Mockup --- */
    .mock-toolbar {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      flex-wrap: wrap;
    }
    .mock-search {
      flex: 1;
      min-width: 180px;
      padding: 10px 14px;
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 13px;
      color: var(--text-dim);
      font-family: 'Inter', sans-serif;
    }
    .mock-filter {
      padding: 10px 14px;
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 13px;
      color: var(--text-dim);
      font-family: 'Inter', sans-serif;
    }
    .mock-count {
      font-size: 12px;
      color: var(--text-dim);
      padding: 8px 20px;
    }
    .mock-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      padding: 16px 20px 24px;
    }
    .mock-card {
      border-radius: 10px;
      overflow: hidden;
      background: var(--surface-2);
      border: 1px solid var(--border);
    }
    .mock-thumb {
      width: 100%;
      aspect-ratio: 16/10;
      position: relative;
      overflow: hidden;
    }
    .mock-thumb-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .mock-thumb-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .mock-duration {
      position: absolute;
      bottom: 6px;
      right: 6px;
      background: rgba(0,0,0,0.75);
      color: #fff;
      font-size: 10px;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 4px;
      font-family: 'JetBrains Mono', monospace;
    }
    .mock-card-body {
      padding: 10px 12px 12px;
    }
    .mock-card-name {
      font-size: 11.5px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-family: 'JetBrains Mono', monospace;
    }
    .mock-card-tag {
      display: inline-block;
      font-size: 10px;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(167, 139, 250, 0.1);
      color: var(--accent);
      margin-right: 4px;
      margin-bottom: 4px;
    }
    .mock-card-desc {
      font-size: 11px;
      color: var(--text-dim);
      line-height: 1.5;
      margin-top: 6px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* --- Detail View Mockup --- */
    .mock-detail {
      display: grid;
      grid-template-columns: 1fr 320px;
      min-height: 420px;
    }
    .mock-detail-main {
      padding: 24px;
      border-right: 1px solid var(--border);
    }
    .mock-detail-sidebar {
      padding: 24px;
      overflow-y: auto;
    }
    .mock-detail-filename {
      font-family: 'JetBrains Mono', monospace;
      font-size: 16px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 16px;
    }
    .mock-detail-video {
      width: 100%;
      aspect-ratio: 16/9;
      background: linear-gradient(135deg, #1a2a1a, #1a1a2a);
      border-radius: 10px;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      position: relative;
    }
    .mock-detail-video img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .mock-play-btn {
      position: absolute;
      width: 48px;
      height: 48px;
      background: rgba(0,0,0,0.5);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .mock-play-btn svg {
      width: 20px;
      height: 20px;
      fill: white;
      margin-left: 3px;
    }
    .mock-section-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 8px;
      margin-top: 16px;
    }
    .mock-section-title:first-child { margin-top: 0; }
    .mock-desc-text {
      font-size: 12.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .mock-transcript-box {
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px 14px;
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.7;
      font-style: italic;
      border-left: 3px solid var(--accent);
    }
    .mock-quality-text {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .mock-sidebar-label {
      font-size: 11px;
      font-weight: 700;
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
      margin-top: 20px;
    }
    .mock-sidebar-label:first-child { margin-top: 0; }
    .mock-info-row {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      padding: 5px 0;
      border-bottom: 1px solid var(--border);
    }
    .mock-info-key { color: var(--text-dim); }
    .mock-info-val { color: var(--text); font-weight: 500; }
    .mock-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .mock-tag {
      font-size: 11px;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(74, 222, 128, 0.08);
      border: 1px solid rgba(74, 222, 128, 0.15);
      color: var(--green);
    }
    .mock-meta-row {
      display: flex;
      justify-content: space-between;
      font-size: 11.5px;
      padding: 4px 0;
    }
    .mock-meta-key { color: var(--text-dim); }
    .mock-meta-val { color: var(--text); }

    @media (max-width: 768px) {
      .mock-grid { grid-template-columns: repeat(2, 1fr); }
      .mock-detail { grid-template-columns: 1fr; }
      .mock-detail-main { border-right: none; border-bottom: 1px solid var(--border); }
    }
    @media (max-width: 480px) {
      .mock-grid { grid-template-columns: 1fr; }
    }

    /* --- FEATURES --- */
    .features-section {
      max-width: 780px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .section-label {
      text-align: center;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }
    .section-title {
      text-align: center;
      font-size: 32px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.02em;
      margin-bottom: 48px;
    }
    .features-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 16px;
    }
    .feature-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 24px 20px;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .feature-card:hover {
      border-color: var(--border-hover);
      box-shadow: 0 0 0 1px var(--border-hover);
    }
    .feature-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--accent-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
    }
    .feature-icon svg {
      width: 18px;
      height: 18px;
      stroke: var(--accent);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
    .feature-name {
      font-size: 15px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 6px;
    }
    .feature-text {
      font-size: 13px;
      line-height: 1.6;
      color: var(--text-muted);
    }

    /* --- WHO --- */
    .who-section {
      max-width: 680px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .who-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 16px;
    }
    .who-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 24px 20px;
      text-align: center;
    }
    .who-emoji {
      font-size: 28px;
      margin-bottom: 10px;
    }
    .who-role {
      font-size: 14px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 4px;
    }
    .who-pain {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* --- HOW IT WORKS --- */
    .how-section {
      max-width: 680px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .steps {
      display: flex;
      flex-direction: column;
      gap: 0;
    }
    .step {
      display: flex;
      gap: 20px;
      align-items: flex-start;
    }
    .step-line {
      display: flex;
      flex-direction: column;
      align-items: center;
      flex-shrink: 0;
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent-glow);
      border: 1px solid rgba(167, 139, 250, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      color: var(--accent);
      flex-shrink: 0;
    }
    .step-connector {
      width: 1px;
      height: 40px;
      background: var(--border);
    }
    .step-content {
      padding-bottom: 32px;
    }
    .step-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 4px;
    }
    .step-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* --- COMPARE --- */
    .compare-section {
      max-width: 780px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 16px;
    }
    .compare-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 24px 20px;
    }
    .compare-card.highlight {
      border-color: rgba(167, 139, 250, 0.4);
      background: linear-gradient(180deg, rgba(167, 139, 250, 0.06) 0%, var(--surface) 100%);
    }
    .compare-method {
      font-size: 14px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 12px;
    }
    .compare-card.highlight .compare-method {
      color: var(--accent);
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .compare-list li {
      font-size: 13px;
      line-height: 1.5;
      color: var(--text-muted);
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .compare-list li::before {
      content: "✕";
      color: var(--text-dim);
      font-size: 11px;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .compare-card.highlight .compare-list li::before {
      content: "✓";
      color: var(--green);
    }
    @media (max-width: 640px) {
      .compare-grid { grid-template-columns: 1fr; }
    }

    /* --- FAQ --- */
    .faq-section {
      max-width: 680px;
      margin: 0 auto;
      padding: 0 24px 80px;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 24px;
    }
    .faq-q {
      font-size: 15px;
      font-weight: 600;
      color: var(--white);
      margin-bottom: 8px;
    }
    .faq-a {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* --- CTA --- */
    .cta-outer {
      padding: 0 24px 80px;
    }
    .cta-card {
      max-width: 640px;
      margin: 0 auto;
      position: relative;
      border-radius: 24px;
      overflow: hidden;
    }
    .cta-glow {
      position: absolute;
      inset: 0;
      border-radius: 24px;
      padding: 1px;
      background: linear-gradient(135deg, rgba(167,139,250,0.5), rgba(139,92,246,0.1), rgba(167,139,250,0.3));
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      pointer-events: none;
    }
    .cta-bg {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 50% 0%, rgba(167,139,250,0.08) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-inner {
      position: relative;
      background: var(--surface);
      border-radius: 24px;
      padding: 56px 40px 48px;
      text-align: center;
    }
    .cta-icon {
      width: 48px;
      height: 48px;
      fill: var(--accent);
      margin: 0 auto 24px;
      display: block;
      opacity: 0.9;
    }
    .cta-inner h2 {
      font-size: 34px;
      font-weight: 800;
      color: var(--white);
      letter-spacing: -0.03em;
      margin-bottom: 10px;
      line-height: 1.15;
    }
    .cta-inner h2 span {
      background: linear-gradient(135deg, var(--accent), #c4b5fd);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .cta-inner > p {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.6;
    }
    .cta-form-wrap {
      max-width: 420px;
      margin: 0 auto;
    }
    .cta-note {
      font-size: 12px;
      color: var(--text-dim);
      margin-top: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }
    .cta-note svg {
      width: 14px;
      height: 14px;
      stroke: var(--text-dim);
      fill: none;
      stroke-width: 2;
      flex-shrink: 0;
    }
    .cta-pricing {
      font-size: 13px;
      color: var(--accent);
      margin-top: 10px;
      text-align: center;
      font-weight: 500;
    }
    @media (max-width: 640px) {
      .cta-inner { padding: 40px 24px 36px; }
      .cta-inner h2 { font-size: 26px; }
    }

    /* --- FOOTER --- */
    footer {
      text-align: center;
      padding: 48px 24px;
      font-size: 12px;
      color: var(--text-dim);
      border-top: 1px solid var(--border);
      max-width: 780px;
      margin: 0 auto;
    }
    .footer-links {
      margin-top: 12px;
      display: flex;
      justify-content: center;
      gap: 20px;
    }
    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 12px;
      transition: color 0.2s;
    }
    .footer-links a:hover {
      color: var(--accent);
    }

    /* --- WAITLIST FORM --- */
    .waitlist-form {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .waitlist-form[hidden] {
      display: none;
      max-width: 420px;
      margin: 0 auto;
    }
    .waitlist-form input[type="email"] {
      background: #1e1e24;
      color: var(--white);
      border: 2px solid #3f3f46;
      border-radius: 12px;
      font-family: 'Inter', sans-serif;
      font-size: 16px;
      padding: 16px 18px;
      width: 100%;
      box-sizing: border-box;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .waitlist-form input[type="email"]:focus {
      border-color: var(--accent);
      outline: none;
      box-shadow: 0 0 0 4px var(--accent-glow), 0 0 20px var(--accent-glow);
    }
    .waitlist-form input[type="email"]::placeholder {
      color: #636370;
    }
    .waitlist-form button {
      background: var(--accent);
      color: var(--bg);
      border: none;
      border-radius: 10px;
      font-family: 'Inter', sans-serif;
      font-size: 14px;
      font-weight: 600;
      padding: 12px 32px;
      cursor: pointer;
      transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
      white-space: nowrap;
      align-self: center;
    }
    .waitlist-form button:hover {
      background: var(--accent-hover);
      box-shadow: 0 0 24px var(--accent-glow-strong), 0 4px 12px rgba(0,0,0,0.3);
      transform: translateY(-1px);
    }
    .waitlist-form button:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      transform: none;
    }
    .waitlist-success {
      text-align: center;
    }
    .waitlist-success-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 6px;
    }
    .waitlist-success-text {
      font-size: 14px;
      color: var(--text-muted);
    }
    .waitlist-error {
      text-align: center;
      font-size: 13px;
      color: #f87171;
      margin-top: 8px;
    }

    /* --- RESPONSIVE --- */
    @media (max-width: 640px) {
      .hero { padding: 120px 20px 60px; }
      h1 { font-size: 34px; }
      .hero-sub { font-size: 16px; }
      .demo-body { grid-template-columns: 1fr; }
      .demo-col:first-child { border-right: none; border-bottom: 1px solid var(--border); }
      .features-grid { grid-template-columns: 1fr; }
      .who-grid { grid-template-columns: 1fr; }
      .section-title { font-size: 26px; }
      .cta-section h2 { font-size: 26px; }
    }
    @media (max-width: 400px) {
      h1 { font-size: 28px; }
      .demo-file { font-size: 11px; }
    }

    /* --- SCROLL ANIMATIONS --- */
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    /* stagger children */
    .reveal-stagger > * {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-stagger.visible > * {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
    .reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
    .reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
    .reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
    .reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
    .reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }
    /* slide from left / right for showcase rows */
    .reveal-left {
      opacity: 0;
      transform: translateX(-40px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-right {
      opacity: 0;
      transform: translateX(40px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-left.visible, .reveal-right.visible {
      opacity: 1;
      transform: translateX(0);
    }
    /* scale-in for CTA */
    .reveal-scale {
      opacity: 0;
      transform: scale(0.95);
      transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                  transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-scale.visible {
      opacity: 1;
      transform: scale(1);
    }
    /* reduce motion for accessibility */
    @media (prefers-reduced-motion: reduce) {
      .reveal, .reveal-stagger > *, .reveal-left, .reveal-right, .reveal-scale {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
      }
    }