:root {
      --accent: #6366f1;
      --accent-light: #818cf8;
      --accent-glow: rgba(99, 102, 241, 0.25);
      --accent-dim: rgba(99, 102, 241, 0.08);
      --bg: #09090b;
      --bg-card: #111113;
      --bg-code: #0c0c0e;
      --border: rgba(255, 255, 255, 0.06);
      --border-accent: rgba(99, 102, 241, 0.2);
      --text: #fafafa;
      --text-soft: rgba(255, 255, 255, 0.7);
      --text-dim: rgba(255, 255, 255, 0.4);
      --green: #22c55e;
      --yellow: #eab308;
      --red: #ef4444;
      --cyan: #06b6d4;
      --pink: #ec4899;
      --radius: 12px;
      --radius-sm: 8px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      line-height: 1.6;
      min-height: 100vh;
    }

    /* ─── Background Grid ─────────────────── */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
      background-size: 60px 60px;
      pointer-events: none;
      z-index: 0;
    }

    /* ─── Glow Orbs ───────────────────────── */
    .glow-orb {
      position: fixed;
      border-radius: 50%;
      filter: blur(120px);
      pointer-events: none;
      z-index: 0;
    }

    .glow-orb--1 {
      width: 500px; height: 500px;
      background: rgba(99, 102, 241, 0.12);
      top: -100px; left: -100px;
    }

    .glow-orb--2 {
      width: 400px; height: 400px;
      background: rgba(236, 72, 153, 0.08);
      bottom: -50px; right: -50px;
    }

    .glow-orb--3 {
      width: 350px; height: 350px;
      background: rgba(6, 182, 212, 0.06);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
    }

    /* ─── Layout ──────────────────────────── */
    .container {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ─── Nav ─────────────────────────────── */
    nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(9, 9, 11, 0.8);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      max-width: 900px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 60px;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text);
    }

    .nav-brand svg {
      color: var(--accent);
    }

    .nav-brand span {
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .nav-brand small {
      font-size: 11px;
      font-weight: 600;
      color: var(--accent-light);
      background: var(--accent-dim);
      padding: 2px 8px;
      border-radius: 20px;
      border: 1px solid var(--border-accent);
    }

    .nav-links {
      display: flex;
      gap: 6px;
    }

    .nav-links a {
      color: var(--text-soft);
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      transition: all 0.2s;
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    /* ─── Hero ────────────────────────────── */
    .hero {
      padding: 80px 0 60px;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 20px;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      font-size: 12px;
      font-weight: 600;
      color: var(--accent-light);
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 6px; height: 6px;
      background: var(--green);
      border-radius: 50%;
      animation: pulse-dot 2s ease-in-out infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    .hero h1 {
      font-size: clamp(36px, 6vw, 56px);
      font-weight: 900;
      letter-spacing: -0.03em;
      line-height: 1.1;
      margin-bottom: 16px;
      background: linear-gradient(135deg, #fff 0%, var(--accent-light) 50%, var(--pink) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero p {
      font-size: 17px;
      color: var(--text-soft);
      max-width: 520px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.25s;
      border: none;
      font-family: inherit;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--accent-light);
      transform: translateY(-1px);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-soft);
      border: 1px solid var(--border);
    }

    .btn-secondary:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.15);
    }

    /* ─── Sections ────────────────────────── */
    section {
      padding: 60px 0;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent-light);
      margin-bottom: 12px;
    }

    section h2 {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 8px;
    }

    section > .container > p {
      color: var(--text-soft);
      font-size: 15px;
      margin-bottom: 32px;
      max-width: 600px;
    }

    /* ─── Live Demo ───────────────────────── */
    .demo-frame-wrap {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      background: #000;
      box-shadow: 0 20px 60px rgba(0,0,0,0.4);
      margin-bottom: 16px;
    }

    .demo-frame-wrap iframe {
      display: block;
      width: 100%;
      aspect-ratio: 16/9;
      border: none;
    }

    .demo-url-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px;
      color: var(--text-dim);
      overflow: hidden;
    }

    .demo-url-bar .protocol { color: var(--green); }
    .demo-url-bar .path { color: var(--accent-light); }
    .demo-url-bar .param { color: var(--yellow); }

    /* ─── Feature Grid ────────────────────── */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 16px;
    }

    .feature-card {
      padding: 24px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      transition: all 0.3s;
    }

    .feature-card:hover {
      border-color: var(--border-accent);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(99, 102, 241, 0.08);
    }

    .feature-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      font-size: 20px;
    }

    .feature-icon--purple { background: rgba(99, 102, 241, 0.12); }
    .feature-icon--green  { background: rgba(34, 197, 94, 0.12); }
    .feature-icon--cyan   { background: rgba(6, 182, 212, 0.12); }
    .feature-icon--pink   { background: rgba(236, 72, 153, 0.12); }
    .feature-icon--yellow { background: rgba(234, 179, 8, 0.12); }
    .feature-icon--red    { background: rgba(239, 68, 68, 0.12); }

    .feature-card h3 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .feature-card p {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.6;
    }

    /* ─── Code Blocks ─────────────────────── */
    .code-block {
      position: relative;
      background: var(--bg-code);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      margin-bottom: 20px;
    }

    .code-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 16px;
      background: rgba(255, 255, 255, 0.02);
      border-bottom: 1px solid var(--border);
    }

    .code-header span {
      font-size: 12px;
      font-weight: 600;
      color: var(--text-dim);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .code-dot {
      width: 8px; height: 8px;
      border-radius: 50%;
    }

    .code-dot--html { background: #e34c26; }
    .code-dot--js   { background: #f7df1e; }
    .code-dot--json { background: #06b6d4; }
    .code-dot--url  { background: var(--green); }

    .copy-btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 10px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: transparent;
      color: var(--text-dim);
      font-size: 11px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      font-family: inherit;
    }

    .copy-btn:hover {
      color: var(--text);
      border-color: rgba(255, 255, 255, 0.15);
      background: rgba(255, 255, 255, 0.04);
    }

    .copy-btn.copied {
      color: var(--green);
      border-color: rgba(34, 197, 94, 0.3);
    }

    pre {
      padding: 16px 20px;
      overflow-x: auto;
      font-family: 'JetBrains Mono', monospace;
      font-size: 13px;
      line-height: 1.7;
      color: var(--text-soft);
    }

    pre::-webkit-scrollbar {
      height: 4px;
    }

    pre::-webkit-scrollbar-track { background: transparent; }
    pre::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

    /* Syntax colors */
    .syn-tag    { color: #ef4444; }
    .syn-attr   { color: #eab308; }
    .syn-val    { color: #22c55e; }
    .syn-str    { color: #22c55e; }
    .syn-kw     { color: #c084fc; }
    .syn-fn     { color: #60a5fa; }
    .syn-cm     { color: rgba(255,255,255,0.25); }
    .syn-num    { color: #f97316; }
    .syn-prop   { color: #67e8f9; }
    .syn-method { color: #fbbf24; }
    .syn-type   { color: var(--accent-light); }

    /* ─── API Table ───────────────────────── */
    .api-table-wrap {
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 24px;
    }

    .api-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }

    .api-table thead {
      background: rgba(255, 255, 255, 0.03);
    }

    .api-table th {
      text-align: left;
      padding: 12px 16px;
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-dim);
      border-bottom: 1px solid var(--border);
    }

    .api-table td {
      padding: 12px 16px;
      border-bottom: 1px solid var(--border);
      color: var(--text-soft);
    }

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

    .api-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
    }

    .api-method {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 700;
      font-family: 'JetBrains Mono', monospace;
    }

    .api-method--get {
      background: rgba(34, 197, 94, 0.12);
      color: var(--green);
    }

    .api-route {
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px;
      color: var(--accent-light);
    }

    /* ─── Param Cards ─────────────────────── */
    .param-grid {
      display: grid;
      gap: 12px;
      margin-bottom: 24px;
    }

    .param-card {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 18px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
    }

    .param-name {
      font-family: 'JetBrains Mono', monospace;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent-light);
      white-space: nowrap;
      min-width: 100px;
    }

    .param-desc {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.5;
    }

    .param-tag {
      display: inline-block;
      padding: 1px 6px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      margin-left: 6px;
    }

    .param-tag--required {
      background: rgba(239, 68, 68, 0.12);
      color: var(--red);
    }

    .param-tag--optional {
      background: rgba(234, 179, 8, 0.12);
      color: var(--yellow);
    }

    /* ─── Keyboard Shortcuts ──────────────── */
    .shortcut-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 10px;
    }

    .shortcut-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
    }

    .shortcut-item span {
      font-size: 13px;
      color: var(--text-soft);
    }

    kbd {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 28px;
      height: 26px;
      padding: 0 8px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 11px;
      font-weight: 600;
      color: var(--text-soft);
      box-shadow: 0 2px 0 rgba(0,0,0,0.2);
    }

    /* ─── Divider ─────────────────────────── */
    .divider {
      border: none;
      border-top: 1px solid var(--border);
      margin: 0;
    }

    /* ─── Footer ──────────────────────────── */
    footer {
      padding: 40px 0;
      text-align: center;
      border-top: 1px solid var(--border);
    }

    footer p {
      font-size: 13px;
      color: var(--text-dim);
    }

    footer a {
      color: var(--accent-light);
      text-decoration: none;
    }

    /* ─── Try It Playground ────────────────── */
    .playground-form {
      display: flex;
      gap: 12px;
      align-items: flex-end;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      flex: 1;
      min-width: 120px;
    }

    .form-group label {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-dim);
    }

    .form-input {
      padding: 10px 14px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text);
      font-size: 14px;
      font-family: 'JetBrains Mono', monospace;
      outline: none;
      transition: all 0.2s;
      width: 100%;
    }

    .form-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-glow);
    }

    .form-input::placeholder {
      color: var(--text-dim);
    }

    .audio-toggle {
      display: flex;
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border);
      background: var(--bg-card);
    }

    .audio-toggle-btn {
      padding: 10px 20px;
      border: none;
      background: transparent;
      color: var(--text-dim);
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      font-family: inherit;
      transition: all 0.2s;
      letter-spacing: 0.5px;
    }

    .audio-toggle-btn.active {
      background: var(--accent);
      color: #fff;
    }

    .audio-toggle-btn:not(.active):hover {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
    }

    .btn-load {
      padding: 10px 28px;
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 700;
      cursor: pointer;
      font-family: inherit;
      transition: all 0.25s;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
      box-shadow: 0 0 20px var(--accent-glow);
    }

    .btn-load:hover {
      background: var(--accent-light);
      box-shadow: 0 0 32px var(--accent-glow);
      transform: translateY(-1px);
    }

    .btn-load:active {
      transform: scale(0.97);
    }

    .playground-preview {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      background: #000;
      box-shadow: 0 20px 60px rgba(0,0,0,0.4);
      margin-bottom: 16px;
      position: relative;
    }

    .playground-preview iframe {
      display: block;
      width: 100%;
      aspect-ratio: 16/9;
      border: none;
    }

    .playground-placeholder {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      aspect-ratio: 16/9;
      color: var(--text-dim);
      gap: 12px;
    }

    .playground-placeholder svg {
      opacity: 0.3;
    }

    .playground-placeholder span {
      font-size: 14px;
      font-weight: 500;
    }

    .generated-code-wrap {
      margin-top: 16px;
    }

    .generated-code-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 8px;
    }

    .generated-code-header span {
      font-size: 12px;
      font-weight: 600;
      color: var(--text-dim);
    }

    .generated-code {
      position: relative;
      background: var(--bg-code);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 14px 18px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px;
      color: var(--accent-light);
      line-height: 1.7;
      overflow-x: auto;
      word-break: break-all;
      white-space: pre-wrap;
    }

    .playground-status {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 16px;
    }

    .playground-status--info {
      background: rgba(99, 102, 241, 0.08);
      border: 1px solid rgba(99, 102, 241, 0.2);
      color: var(--accent-light);
    }

    .playground-status--success {
      background: rgba(34, 197, 94, 0.08);
      border: 1px solid rgba(34, 197, 94, 0.2);
      color: var(--green);
    }

    .playground-status--error {
      background: rgba(239, 68, 68, 0.08);
      border: 1px solid rgba(239, 68, 68, 0.2);
      color: var(--red);
    }

    /* ─── Responsive ──────────────────────── */
    @media (max-width: 600px) {
      .hero { padding: 50px 0 40px; }
      .hero h1 { font-size: 32px; }
      .nav-links { display: none; }
      section { padding: 40px 0; }
      .feature-grid { grid-template-columns: 1fr; }
      .shortcut-grid { grid-template-columns: 1fr; }
      .playground-form { flex-direction: column; }
      .form-group { min-width: 100%; }
    }