:root {
      --ai-primary: #00D4FF; --ai-primary-rgb: 0,212,255;
      --ai-secondary: #7C3AED; --ai-secondary-rgb: 124,58,237;
      --ai-accent: #00E5FF; --ai-accent-rgb: 0,229,255;
      --ai-bg: #060B14; --ai-surface: rgba(10,18,32,.92);
      --ai-border: rgba(0,212,255,.18);
      --ai-text: #D6E8F5; --ai-text2: #7A9BB5; --ai-text3: #3D5A75;
      --ai-grad: linear-gradient(135deg, #00D4FF 0%, #7C3AED 50%, #FF2D9B 100%);
      --ai-cyan-grad: linear-gradient(135deg, #00D4FF, #0066FF);
      --ai-glow: 0 0 40px rgba(0,212,255,.25), 0 0 80px rgba(0,212,255,.08);
    }
    * { box-sizing: border-box; }
    body { margin: 0; background: var(--ai-bg); color: var(--ai-text); font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; }
    .ai-wrap { max-width: 1340px; margin: 0 auto; padding: 0 24px 80px; position: relative; z-index: 1; }

    /* HERO */
    .ai-hero { text-align: center; padding: 48px 0 24px; position: relative; }
    .ai-hero::before { content: ''; position: absolute; top: -120px; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,212,255,.12) 0%, transparent 70%); pointer-events: none; }
    .ai-hero-badge { display: inline-block; padding: 6px 16px; border-radius: 20px; background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.25); font-size: .76rem; color: #00D4FF; margin-bottom: 16px; letter-spacing: .04em; }
    .ai-hero h1 { font-size: 3rem; font-weight: 900; margin: 0 0 12px; line-height: 1.15; }
    .ai-hero h1 .hl { background: var(--ai-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .ai-hero p { font-size: .95rem; color: var(--ai-text2); max-width: 680px; margin: 0 auto 28px; line-height: 1.7; }

    /* STATS BAR */
    .ai-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
    .ai-stat { background: var(--ai-surface); border: 1px solid var(--ai-border); border-radius: 18px; padding: 24px; text-align: center; backdrop-filter: blur(20px); transition: .3s; }
    .ai-stat:hover { border-color: rgba(0,212,255,.35); box-shadow: 0 0 30px rgba(0,212,255,.06); transform: translateY(-2px); }
    .ai-stat-val { font-size: 2.2rem; font-weight: 900; background: var(--ai-cyan-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .ai-stat-lbl { font-size: .7rem; color: var(--ai-text3); margin-top: 6px; letter-spacing: .03em; text-transform: uppercase; }

    /* SECTIONS */
    .ai-sec { margin: 40px 0; }
    .ai-sec-header { text-align: center; margin-bottom: 24px; }
    .ai-sec-header h2 { font-size: 1.8rem; font-weight: 800; margin: 0 0 10px; }
    .ai-sec-header h2 .hl { background: var(--ai-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .ai-sec-header .sub { font-size: .82rem; color: var(--ai-text3); }

    /* FEATURE CARDS */
    .ai-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .ai-card { background: var(--ai-surface); border: 1px solid var(--ai-border); border-radius: 18px; padding: 26px; backdrop-filter: blur(20px); transition: all .35s; position: relative; overflow: hidden; }
    .ai-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--ai-cyan-grad); opacity: 0; transition: .35s; }
    .ai-card:hover::before { opacity: 1; }
    .ai-card:hover { border-color: rgba(0,212,255,.4); box-shadow: var(--ai-glow); transform: translateY(-3px); }
    .ai-card .icon { font-size: 2rem; margin-bottom: 14px; display: block; }
    .ai-card h4 { font-size: 1rem; font-weight: 700; margin: 0 0 8px; color: #fff; }
    .ai-card p { font-size: .78rem; color: var(--ai-text2); line-height: 1.65; margin: 0; }
    .ai-card .tag-row { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
    .ai-tag { padding: 3px 10px; border-radius: 8px; font-size: .64rem; background: rgba(0,212,255,.08); border: 1px solid rgba(0,212,255,.18); color: #00D4FF; }

    /* MODEL TABLE */
    .ai-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .ai-table-wrap { background: var(--ai-surface); border: 1px solid var(--ai-border); border-radius: 18px; padding: 24px; overflow-x: auto; backdrop-filter: blur(20px); }
    .ai-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
    .ai-table th { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--ai-border); color: var(--ai-text3); font-size: .66rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
    .ai-table td { padding: 12px 14px; border-bottom: 1px solid rgba(0,212,255,.06); color: var(--ai-text2); }
    .ai-table tr:hover td { background: rgba(0,212,255,.03); }
    .badge { padding: 3px 10px; border-radius: 8px; font-size: .64rem; font-weight: 600; }
    .badge-live { background: rgba(0,212,255,.12); color: #00D4FF; }
    .badge-ok { background: rgba(48,209,88,.12); color: #30D158; }
    .badge-warn { background: rgba(255,159,10,.12); color: #FF9F0A; }

    /* TIMELINE */
    .ai-timeline { display: flex; flex-direction: column; gap: 14px; position: relative; padding-left: 28px; }
    .ai-timeline::before { content: ''; position: absolute; left: 11px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, #00D4FF, #7C3AED, transparent); }
    .ai-tl-item { position: relative; padding: 16px 20px; background: var(--ai-surface); border: 1px solid var(--ai-border); border-radius: 14px; }
    .ai-tl-item::before { content: ''; position: absolute; left: -22px; top: 20px; width: 10px; height: 10px; border-radius: 50%; background: #00D4FF; box-shadow: 0 0 12px rgba(0,212,255,.5); }
    .ai-tl-item h5 { font-size: .82rem; font-weight: 700; margin: 0 0 4px; color: #fff; }
    .ai-tl-item p { font-size: .72rem; color: var(--ai-text2); margin: 0; }

    /* FLOW */
    .ai-flow { display: flex; align-items: center; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .ai-flow-step { background: var(--ai-surface); border: 1px solid var(--ai-border); border-radius: 16px; padding: 20px; text-align: center; min-width: 120px; transition: .3s; }
    .ai-flow-step:hover { border-color: rgba(0,212,255,.4); box-shadow: 0 0 24px rgba(0,212,255,.1); }
    .ai-flow-step .ico { font-size: 1.6rem; display: block; margin-bottom: 6px; }
    .ai-flow-step h4 { font-size: .76rem; font-weight: 700; color: #fff; }
    .ai-flow-arrow { font-size: 1.2rem; color: var(--ai-text3); }

    /* FAQ */
    .ai-faq { display: flex; flex-direction: column; gap: 10px; }
    .ai-faq-item { background: var(--ai-surface); border: 1px solid var(--ai-border); border-radius: 14px; padding: 18px 22px; cursor: default; transition: .3s; }
    .ai-faq-item:hover { border-color: rgba(0,212,255,.3); }
    .ai-faq-item h5 { font-size: .84rem; font-weight: 700; margin: 0 0 6px; color: #fff; }
    .ai-faq-item p { font-size: .74rem; color: var(--ai-text2); margin: 0; line-height: 1.6; }

    /* CHART SIMULATION */
    .ai-bars { display: flex; align-items: flex-end; gap: 8px; height: 140px; padding: 12px 0; }
    .ai-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
    .ai-bar { width: 100%; border-radius: 6px 6px 0 0; background: linear-gradient(180deg, #00D4FF, #0066FF); animation: barUp .8s ease-out forwards; transform-origin: bottom; }
    .ai-bar-lbl { font-size: .58rem; color: var(--ai-text3); }
    @keyframes barUp { from { transform: scaleY(0); } to { transform: scaleY(1); } }

    .cta-band { text-align: center; margin-top: 48px; padding: 40px; background: linear-gradient(135deg, rgba(0,212,255,.06), rgba(124,58,237,.06)); border: 1px solid var(--ai-border); border-radius: 24px; }
    .cta-band h3 { font-size: 1.5rem; font-weight: 800; margin: 0 0 10px; }
    .cta-band p { font-size: .82rem; color: var(--ai-text2); margin: 0 0 20px; }
    .btn-primary { display: inline-block; padding: 12px 32px; border-radius: 12px; font-size: .84rem; font-weight: 700; text-decoration: none; color: #fff; background: var(--ai-cyan-grad); box-shadow: 0 4px 24px rgba(0,102,255,.35); transition: .3s; }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 36px rgba(0,102,255,.5); }
    .btn-outline { display: inline-block; padding: 12px 28px; border-radius: 12px; font-size: .84rem; font-weight: 600; text-decoration: none; color: #00D4FF; border: 1px solid rgba(0,212,255,.3); transition: .3s; margin-left: 12px; }
    .btn-outline:hover { background: rgba(0,212,255,.08); border-color: rgba(0,212,255,.5); }

    @media (max-width: 1024px) { .ai-stats { grid-template-columns: 1fr 1fr; } .ai-grid-2, .ai-grid-3 { grid-template-columns: 1fr; } .ai-hero h1 { font-size: 2rem; } }
    @media (max-width: 640px) { .ai-stats { grid-template-columns: 1fr; } .ai-hero h1 { font-size: 1.6rem; } }