:root {
            --bg: #0a0a0f;
            --surface: #12121a;
            --border: #1e1e2e;
            --text: #e2e2e8;
            --muted: #b7b7c9;
            --accent: #fbbf24;
            --accent-dim: #f59e0b;
            --accent-glow: rgba(245,158,11,0.2);
            --danger: #ef4444;
            --warning: #f59e0b;
            --blue: #3b82f6;
            --purple: #c084fc;
            --code-bg: #1a1a2e;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
        .container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

        /* NAV */
        nav { border-bottom: 1px solid var(--border); padding: 16px 0; position: fixed; top: 0; left: 0; right: 0; background: rgba(10,10,15,0.9); backdrop-filter: blur(12px); z-index: 100; }
        nav .container { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
        .logo .shield { color: var(--accent); font-size: 24px; }
        .nav-links { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
        .nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
        .nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }

        /* HERO */
        .hero { text-align: center; padding: 140px 0 120px; position: relative; overflow: hidden; }
        .hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(34,197,94,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(34,197,94,0.03) 1px, transparent 1px); background-size: 40px 40px; mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black, transparent); }
        .badge { display: inline-block; background: #f59e0b; border: 1px solid #fbbf24; color: #1a1a2e; padding: 6px 16px; border-radius: 20px; font-size: 14px; font-weight: 700; margin-bottom: 24px; }
        h1 { font-size: 52px; font-weight: 900; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1.5px; color: #ffffff; text-shadow: 0 2px 8px rgba(0,0,0,0.5); }
        h1 .highlight { color: #fbbf24; }
        .subtitle { font-size: 20px; color: #d7d7e3; max-width: 650px; margin: 0 auto 16px; }
        .pillars { display: flex; gap: 32px; justify-content: center; margin: 32px 0; flex-wrap: wrap; }
        .pillar { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; }
        .pillar .icon { font-size: 20px; }
        .pillar.cost { color: var(--accent); }
        .pillar.auth { color: var(--blue); }
        .pillar.mcp { color: var(--purple); }

        /* CODE BLOCK */
        .code-block { background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px; padding: 24px 32px; text-align: left; max-width: 700px; margin: 32px auto 16px; font-family: 'Courier New', monospace; font-size: 14px; line-height: 1.8; overflow-x: auto; }
        .code-block .comment { color: #cbd5e1; }
        .code-block .keyword { color: #c084fc; }
        .code-block .string { color: #22c55e; }
        .code-block .func { color: #60a5fa; }
        .code-block .param { color: #f59e0b; }
        .code-lines { font-size: 12px; color: var(--muted); text-align: center; margin-bottom: 32px; }

        /* CTA */
        .cta-row { display: flex; gap: 12px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
        .btn { padding: 14px 28px; border-radius: 10px; font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer; border: none; transition: all 0.2s; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: fit-content; white-space: nowrap; overflow: hidden; }
        .btn-primary { background: linear-gradient(135deg, #fbbf24, #f97316); color: #ffffff; box-shadow: 0 10px 30px rgba(251,191,36,0.35); font-weight: 800; font-size: 16px; }
        .btn-primary:hover, .btn-primary:focus-visible { background: linear-gradient(135deg, #fde68a, #fb923c); transform: translateY(-1px); }
        .btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
        .btn-secondary:hover { border-color: var(--muted); }

        /* SECTIONS */
        section { padding: 80px 0; }
        section h2 { font-size: 36px; font-weight: 800; text-align: center; margin-bottom: 16px; letter-spacing: -0.5px; }
        section .section-sub { text-align: center; color: var(--muted); font-size: 18px; max-width: 600px; margin: 0 auto 48px; }

        /* THREE THREATS */
        .threats { border-top: 1px solid var(--border); }
        .threat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .threat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 32px; text-align: center; transition: border-color 0.2s; }
        .threat-card:hover { border-color: rgba(34,197,94,0.3); }
        .threat-num { font-size: 48px; font-weight: 900; margin-bottom: 8px; }
        .threat-card h3 { font-size: 20px; margin-bottom: 8px; }
        .threat-card p { font-size: 14px; color: var(--muted); }
        .threat-card .solution { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; font-weight: 600; }

        /* COST VISUAL */
        .cost-section { border-top: 1px solid var(--border); background: var(--surface); }
        .cost-visual { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 32px; max-width: 750px; margin: 0 auto; }
        .workflow-step { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
        .workflow-step:last-child { border-bottom: none; }
        .workflow-step .label { color: var(--muted); }
        .workflow-step .cost { font-weight: 600; font-family: monospace; }
        .workflow-step .cost.safe { color: var(--accent); }
        .workflow-step .cost.danger { color: var(--danger); }
        .workflow-step .cost.warning { color: var(--warning); }
        .workflow-step .cost.guarded { color: var(--accent); background: var(--accent-glow); padding: 2px 8px; border-radius: 4px; }
        .divider-row { text-align: center; padding: 16px 0; font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 1px; }

        /* FEATURES */
        .features { border-top: 1px solid var(--border); }
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; transition: border-color 0.2s; }
        .feature-card:hover { border-color: rgba(34,197,94,0.3); }
        .feature-card .icon { font-size: 28px; margin-bottom: 12px; }
        .feature-card h3 { font-size: 16px; margin-bottom: 8px; }
        .feature-card p { font-size: 13px; color: var(--muted); }
        .feature-card .tier-badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-top: 12px; }
        .tier-guard { background: rgba(34,197,94,0.1); color: var(--accent); }
        .tier-shield { background: rgba(59,130,246,0.1); color: var(--blue); }
        .tier-sentinel { background: rgba(192,132,252,0.15); color: var(--purple); }

        /* PRICING */
        .pricing { border-top: 1px solid var(--border); }
        .pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .price-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px 20px; text-align: center; position: relative; transition: transform 0.2s; }
        .price-card:hover { transform: translateY(-4px); }
        .price-card.featured { border-color: var(--accent); }
        .price-card.featured::before { content: 'MOST POPULAR'; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #000; font-size: 11px; font-weight: 700; padding: 2px 12px; border-radius: 10px; }
        .price-card h3 { font-size: 18px; margin-bottom: 4px; }
        .price-card .tier-color { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
        .price-amount { font-size: 40px; font-weight: 800; margin: 12px 0 4px; }
        .price-period { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
        .price-features { list-style: none; text-align: left; font-size: 13px; margin-bottom: 20px; }
        .price-features li { padding: 5px 0; color: var(--muted); }
        .price-features li::before { content: '✓ '; color: var(--accent); font-weight: 700; }
        .price-features li.new::before { content: '★ '; color: var(--blue); }
        .price-features li.sentinel::before { content: '★ '; color: var(--purple); }
        .price-btn { display: block; width: 100%; padding: 12px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; text-align: center; transition: all 0.2s; }
        .price-btn-primary { background: linear-gradient(135deg, #f59e0b, #ea580c); color: #ffffff; border: none; cursor: pointer; }
        .price-btn-primary:hover, .price-btn-primary:focus-visible { background: linear-gradient(135deg, #fbbf24, #f97316); }
        .price-btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
        .price-btn-secondary:hover { border-color: var(--muted); }

        /* WAITLIST */
        .install { border-top: 1px solid var(--border); text-align: center; }
        .install-form { display: flex; gap: 8px; max-width: 440px; margin: 0 auto; }
        .install-form input { flex: 1; padding: 14px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 15px; outline: none; }
        .install-form input:focus { border-color: var(--accent); }

        /* FOOTER */
        footer { border-top: 1px solid var(--border); padding: 32px 0; text-align: center; color: var(--muted); font-size: 13px; }
        footer a { color: #ffd089; text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }

        @media (max-width: 900px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 768px) {
            nav .container { flex-direction: column; gap: 12px; }
            .nav-links { width: 100%; justify-content: center; gap: 14px; }
            h1 { font-size: 36px; }
            .threat-grid, .feature-grid { grid-template-columns: 1fr; }
            .pricing-grid { grid-template-columns: 1fr; }
            .code-block { font-size: 12px; padding: 16px; }
            .pillars { flex-direction: column; align-items: center; gap: 12px; }
            .install-form { flex-direction: column; }
            .install-form .btn { width: 100%; }
        }

        /* Verifiable plan details beside the primary action. */
        .trust-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; list-style: none; margin: 20px auto 0; padding: 12px 16px; max-width: 700px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--muted); font-size: 13px; }
        .trust-strip a { color: var(--accent); text-underline-offset: 3px; }