.skip-link { position: fixed; top: 0; left: 16px; z-index: 100000; padding: 0.85rem 1.4rem; background: #2273D6; color: #fff; font-weight: 700; text-decoration: none; border-radius: 0 0 12px 12px; transform: translateY(-120%); transition: transform 0.2s ease; }
        .skip-link:focus, .skip-link:focus-visible { transform: translateY(0); outline: 3px solid #fff; outline-offset: 3px; }
        :root {
            --accent: #4facfe;
            --accent-2: #9479ff;
            --success: #34d399;
            --glass-bg: rgba(6, 12, 24, 0.75);
            --glass-border: rgba(79, 172, 254, 0.22);
            --shadow-lg: 0 45px 120px rgba(15, 23, 42, 0.45);
            --text-primary: #f8fafc;
            --text-muted: rgba(248, 250, 252, 0.7);
            --text-faint: rgba(248, 250, 252, 0.5);
        }
        * { box-sizing: border-box; }
        body {
            margin: 0;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: radial-gradient(circle at top left, rgba(79, 172, 254, 0.18), transparent 45%),
                radial-gradient(circle at top right, rgba(148, 121, 255, 0.2), transparent 50%),
                linear-gradient(165deg, #050811 0%, #01030a 100%);
            color: var(--text-primary);
            min-height: 100dvh;
        }
        a { color: inherit; text-decoration: none; }
        a.link { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

        .ft-container {
            max-width: 920px;
            margin: 0 auto;
            padding: clamp(2rem, 4vw, 3.5rem) 1.6rem 5rem;
            display: flex;
            flex-direction: column;
            gap: 1.6rem;
        }

        .ft-header {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 32px;
            box-shadow: var(--shadow-lg);
            padding: clamp(1.8rem, 4vw, 2.6rem);
        }
        .ft-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 0.6rem;
        }
        .ft-header h1 {
            font-size: clamp(1.7rem, 3.4vw, 2.4rem);
            margin: 0 0 0.6rem;
            font-weight: 700;
            line-height: 1.15;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .ft-lead {
            margin: 0 0 1.4rem;
            color: var(--text-muted);
            font-size: 1.02rem;
            line-height: 1.55;
        }
        .ft-pillars {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.9rem;
            margin-top: 1rem;
        }
        .ft-pillar {
            background: rgba(79, 172, 254, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 0.95rem 1rem;
        }
        .ft-pillar strong {
            display: block;
            color: var(--accent);
            font-size: 0.95rem;
            margin-bottom: 0.25rem;
        }
        .ft-pillar span {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 720px) {
            .ft-pillars { grid-template-columns: 1fr; }
        }

        .ft-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: clamp(1.2rem, 2.6vw, 1.7rem);
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 0.8rem 1.4rem;
            align-items: start;
            box-shadow: var(--shadow-lg);
        }
        .ft-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: #04101f;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .ft-body { display: flex; flex-direction: column; gap: 0.5rem; }
        .ft-title {
            font-size: 1.18rem;
            font-weight: 700;
            margin: 0 0 0.2rem;
            color: var(--text-primary);
        }
        .ft-body p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .ft-body p strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .ft-body ul {
            margin: 0.2rem 0 0;
            padding-left: 1.25rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .ft-body ul li { margin: 0.15rem 0; }
        @media (max-width: 640px) {
            .ft-card { grid-template-columns: 1fr; gap: 0.6rem; }
            .ft-num { width: 38px; height: 38px; font-size: 1rem; }
        }

        .ft-rhythm {
            background: rgba(148, 121, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: clamp(1.4rem, 3vw, 1.9rem);
            box-shadow: var(--shadow-lg);
        }
        .ft-rhythm h2 {
            margin: 0 0 0.4rem;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .ft-rhythm > p {
            margin: 0 0 0.85rem;
            color: var(--text-muted);
            font-size: 0.96rem;
            line-height: 1.55;
        }
        .ft-rhythm ul {
            margin: 0;
            padding-left: 1.35rem;
            line-height: 1.75;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .ft-rhythm li { margin: 0.2rem 0; }
        .ft-rhythm em {
            color: var(--text-faint);
            font-style: italic;
        }

        .ft-closing {
            background: linear-gradient(135deg, rgba(79, 172, 254, 0.08), rgba(148, 121, 255, 0.08));
            border: 1px solid var(--glass-border);
            border-radius: 28px;
            padding: clamp(1.6rem, 3.5vw, 2.4rem);
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .ft-closing h2 {
            font-size: 1.3rem;
            margin: 0 0 0.6rem;
            font-weight: 700;
        }
        .ft-closing p {
            margin: 0 0 1.2rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .ft-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.3rem;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: #04101f;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: transform 0.15s, box-shadow 0.15s;
            box-shadow: 0 8px 24px rgba(79, 172, 254, 0.3);
        }
        .ft-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(79, 172, 254, 0.4);
        }
        /* Footer so the page isn't a one-way dead-end (QA round 68 F3) — gives
           a way back to Home / Pricing / Sign in. Self-contained styling so it
           doesn't depend on the fixed marketing nav's layout/padding. */
        .ft-footer {
            margin: 2.5rem auto 0;
            padding: 1.75rem 1rem 2.5rem;
            border-top: 1px solid rgba(248, 250, 252, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem 1.5rem;
            align-items: center;
            justify-content: center;
        }
        .ft-footer a { color: var(--text-muted); text-decoration: none; font-size: 0.92rem; }
        .ft-footer a:hover { color: var(--accent); }
        .ft-footer .ft-foot-brand { color: var(--accent); font-weight: 600; }