:root {
      --bg-primary: #05070B;
      --bg-secondary: #0A0E17;
      --bg-card: rgba(255,255,255,0.03);
      --bg-card-hover: rgba(255,255,255,0.06);
      --border: rgba(255,255,255,0.06);
      --border-hover: rgba(255,255,255,0.12);
      --text-primary: rgba(255,255,255,0.97);
      --text-secondary: rgba(255,255,255,0.65);
      --text-muted: rgba(255,255,255,0.40);
      --accent-cyan: #34E3F4;
      --accent-blue: #2F43FF;
      --accent-cyan-glow: rgba(52,227,244,0.18);
      --accent-blue-glow: rgba(47,67,255,0.22);
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: 'DM Sans', 'Noto Sans SC', -apple-system, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Outfit', 'Noto Sans SC', sans-serif;
      letter-spacing: -0.02em;
    }

    /* ===== HERO GRADIENT ===== */
    .hero-gradient {
      position: absolute;
      top: -180px;
      left: 50%;
      transform: translateX(-50%);
      width: 1400px;
      height: 900px;
      pointer-events: none;
      background:
        radial-gradient(circle at 24% 22%, rgba(52,227,244,0.12), transparent 24%),
        radial-gradient(circle at 78% 22%, rgba(47,67,255,0.15), transparent 26%),
        radial-gradient(circle at 50% 55%, rgba(52,227,244,0.06), transparent 35%);
      z-index: 0;
    }

    .hero-glow-orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      pointer-events: none;
    }

    .glow-1 {
      width: 400px; height: 400px;
      background: rgba(52,227,244,0.08);
      top: 10%; left: 15%;
      animation: float 8s ease-in-out infinite;
    }

    .glow-2 {
      width: 350px; height: 350px;
      background: rgba(47,67,255,0.10);
      top: 5%; right: 10%;
      animation: float 10s ease-in-out infinite 1s;
    }

    @keyframes float {
      0%, 100% { transform: translate(0, 0); }
      33% { transform: translate(20px, -15px); }
      66% { transform: translate(-15px, 10px); }
    }

    /* ===== GLASS NAV ===== */
    .glass-nav {
      background: rgba(5,7,11,0.72);
      backdrop-filter: blur(18px) saturate(1.15);
      -webkit-backdrop-filter: blur(18px) saturate(1.15);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    /* ===== NAV DROPDOWN ===== */
    .nav-dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      min-width: 200px;
      padding: 6px;
      border-radius: 12px;
      background: rgba(10,14,22,0.95);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: 0 20px 40px rgba(0,0,0,0.5);
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px);
      transition: all 0.2s ease;
      z-index: 100;
    }

    .nav-dropdown:hover .nav-dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .nav-dropdown-menu a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 13px;
      color: var(--text-secondary);
      transition: all 0.15s ease;
      text-decoration: none;
    }

    .nav-dropdown-menu a:hover {
      background: rgba(255,255,255,0.06);
      color: var(--text-primary);
    }

    /* ===== BUTTONS ===== */
    .btn-primary {
      background: linear-gradient(135deg, rgba(52,227,244,0.15), rgba(47,67,255,0.15));
      border: 1px solid rgba(52,227,244,0.25);
      color: var(--text-primary);
      transition: all 0.25s ease;
      position: relative;
      overflow: hidden;
    }

    .btn-primary::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(52,227,244,0.25), rgba(47,67,255,0.25));
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    .btn-primary:hover::before { opacity: 1; }
    .btn-primary:hover {
      border-color: rgba(52,227,244,0.45);
      box-shadow: 0 0 24px rgba(52,227,244,0.12);
      transform: translateY(-1px);
    }

    .btn-secondary {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.10);
      color: var(--text-secondary);
      transition: all 0.25s ease;
    }

    .btn-secondary:hover {
      border-color: rgba(255,255,255,0.22);
      color: var(--text-primary);
      background: rgba(255,255,255,0.04);
    }

    /* ===== CARDS ===== */
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 14px;
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; height: 1px;
      background: linear-gradient(90deg, transparent, rgba(52,227,244,0.3), transparent);
      opacity: 0;
      transition: opacity 0.35s ease;
    }

    .feature-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-4px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 40px rgba(52,227,244,0.04);
    }

    .feature-card:hover::before { opacity: 1; }

    /* ===== MCP TOOL BADGE ===== */
    .mcp-tool-badge {
      display: inline-flex;
      align-items: center;
      padding: 2px 8px;
      border-radius: 6px;
      font-size: 11px;
      font-weight: 500;
      font-family: 'SF Mono', 'Fira Code', monospace;
      background: rgba(52,227,244,0.08);
      color: var(--accent-cyan);
      border: 1px solid rgba(52,227,244,0.15);
    }

    /* ===== CODE BLOCK ===== */
    .code-block {
      background: rgba(0,0,0,0.4);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: 12px;
      font-family: 'SF Mono', 'Fira Code', monospace;
      font-size: 13px;
      line-height: 1.7;
    }

    .code-keyword { color: #34E3F4; }
    .code-string { color: #a5d6a7; }
    .code-func { color: #ce93d8; }
    .code-comment { color: rgba(255,255,255,0.35); }
    .code-plain { color: rgba(255,255,255,0.75); }

    .copy-btn:hover {
      background: rgba(255,255,255,0.12) !important;
      color: var(--text-primary) !important;
    }

    .copy-btn.copied {
      background: rgba(74,222,128,0.12) !important;
      color: #4ade80 !important;
      border-color: rgba(74,222,128,0.2) !important;
    }

    /* ===== TERMINAL STYLES ===== */
    .terminal-panel {
      position: relative;
    }

    .terminal-content .t-line {
      white-space: pre-wrap;
      word-break: break-all;
    }

    .terminal-content .t-cmd {
      color: var(--accent-cyan);
    }

    .terminal-content .t-prefix {
      color: rgba(255,255,255,0.4);
      user-select: none;
    }

    .terminal-content .t-success {
      color: #4ade80;
    }

    .terminal-content .t-warn {
      color: #fb923c;
    }

    .terminal-content .t-info {
      color: var(--accent-cyan);
    }

    .terminal-content .t-dim {
      color: rgba(255,255,255,0.35);
    }

    .terminal-content .t-json-key {
      color: #34E3F4;
    }

    .terminal-content .t-json-string {
      color: #a5d6a7;
    }

    .terminal-content .t-json-number {
      color: #fbbf24;
    }

    .terminal-content .t-table-border {
      color: rgba(255,255,255,0.2);
    }

    .terminal-content .t-highlight {
      color: #818cf8;
    }

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

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }

    /* Hero Terminal */
    .hero-terminal .t-line {
      white-space: pre-wrap;
      word-break: break-all;
    }

    /* ===== STEP NAVIGATION ===== */
    .step-item {
      background: rgba(255,255,255,0.02);
      border: 1px solid rgba(255,255,255,0.06);
      cursor: pointer;
    }

    .step-item:hover {
      background: rgba(255,255,255,0.04);
      border-color: rgba(255,255,255,0.10);
    }

    .step-item.active {
      background: linear-gradient(135deg, rgba(52,227,244,0.06), rgba(47,67,255,0.04));
      border-color: rgba(52,227,244,0.2);
      border-left: 3px solid var(--accent-cyan);
    }

    .step-item.active .step-number {
      background: rgba(52,227,244,0.15);
      color: var(--accent-cyan);
    }

    .step-number {
      background: rgba(255,255,255,0.06);
      color: var(--text-muted);
      transition: all 0.25s ease;
    }

    /* ===== PLATFORM TABS ===== */
    .platform-tab {
      color: var(--text-muted);
      border: 1px solid rgba(255,255,255,0.06);
      background: transparent;
    }

    .platform-tab:hover {
      color: var(--text-secondary);
      border-color: rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.03);
    }

    .platform-tab.active {
      color: var(--accent-cyan);
      border-color: rgba(52,227,244,0.25);
      background: rgba(52,227,244,0.06);
    }

    /* ===== ARCHITECTURE ===== */
    .arch-layer {
      transition: all 0.3s ease;
    }

    .arch-layer:hover {
      transform: translateX(4px);
    }

    .arch-layer.highlighted {
      transform: translateX(4px);
      box-shadow: 0 0 30px rgba(0,0,0,0.3);
    }

    .arch-node {
      transition: all 0.2s ease;
    }

    .arch-layer:hover .arch-node {
      transform: translateY(-1px);
    }

    @keyframes flowDown {
      0% { transform: translateY(-100%); opacity: 0; }
      50% { opacity: 1; }
      100% { transform: translateY(200%); opacity: 0; }
    }

    .arch-desc {
      animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ===== ANIMATIONS ===== */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      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-1 { transition-delay: 0.08s; }
    .stagger-2 { transition-delay: 0.16s; }
    .stagger-3 { transition-delay: 0.24s; }
    .stagger-4 { transition-delay: 0.32s; }
    .stagger-5 { transition-delay: 0.40s; }
    .stagger-6 { transition-delay: 0.48s; }

    /* ===== GRID PATTERN ===== */
    .grid-pattern {
      background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
      background-size: 60px 60px;
    }

    /* ===== SCROLLBAR ===== */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
    ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

    /* ===== MOBILE MENU ===== */
    .mobile-nav {
      transform: translateX(100%);
      transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .mobile-nav.open { transform: translateX(0); }

    .mobile-overlay {
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .mobile-overlay.open { opacity: 1; pointer-events: auto; }

    /* ===== PRICING CARDS ===== */
    .pricing-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 20px;
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
    }

    .pricing-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; height: 1px;
      background: linear-gradient(90deg, transparent, rgba(52,227,244,0.3), transparent);
      opacity: 0;
      transition: opacity 0.35s ease;
    }

    .pricing-card:hover {
      transform: translateY(-8px);
      border-color: rgba(52,227,244,0.15);
      box-shadow: 0 30px 60px rgba(0,0,0,0.4), 0 0 60px rgba(52,227,244,0.06);
    }

    .pricing-card:hover::before { opacity: 1; }

    .pricing-card.featured {
      background: linear-gradient(180deg, rgba(52,227,244,0.06), rgba(47,67,255,0.03));
      border: 1.5px solid rgba(52,227,244,0.2);
      box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 40px rgba(52,227,244,0.08);
      overflow: visible;
    }

    .pricing-card.featured::before {
      background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
      opacity: 1;
    }

    /* ===== PARTICLES ===== */
    @keyframes drift {
      0% { transform: translateY(0) rotate(0deg); opacity: 0; }
      10% { opacity: 1; }
      90% { opacity: 1; }
      100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
    }

    .particle {
      position: absolute;
      width: 2px;
      height: 2px;
      background: rgba(52,227,244,0.4);
      border-radius: 50%;
      animation: drift linear infinite;
    }

    /* ===== NOISE TEXTURE ===== */
    .noise-overlay {
      position: absolute;
      inset: 0;
      opacity: 0.025;
      pointer-events: none;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
      background-repeat: repeat;
      background-size: 128px 128px;
    }

    /* ===== SECTION DIVIDER ===== */
    .section-divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
    }

    /* ===== TAG/BADGE ===== */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
      border: 1px solid rgba(52,227,244,0.15);
      background: rgba(52,227,244,0.06);
      color: var(--accent-cyan);
    }

    /* ===== MARQUEE ===== */
    @keyframes marquee {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    .marquee-track {
      display: flex;
      animation: marquee 30s linear infinite;
      width: max-content;
    }

    .marquee-track:hover {
      animation-play-state: paused;
    }

    /* ===== GRADIENT TEXT ANIMATION ===== */
    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    /* ===== LOADING PULSE ===== */
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    .t-loading {
      animation: pulse 1.5s ease-in-out infinite;
      color: #fbbf24;
    }