:root {
    --bg: #ffffff;
    --bg-alt: #f4f7fc;
    --text: #172033;
    --muted: #5b6678;
    --border: #e1e7f0;
    --primary: #0b5cff;
    --primary-dark: #0846c4;
    --accent: #00b894;
    --card: #ffffff;
    --shadow: 0 10px 30px rgba(16, 38, 84, .08);
    --radius: 14px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1320;
        --bg-alt: #121a2b;
        --text: #e8edf6;
        --muted: #a2adc0;
        --border: #24304a;
        --primary: #4d8bff;
        --primary-dark: #3a74e0;
        --card: #162036;
        --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--primary); color: #fff; padding: 8px 14px; z-index: 100; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { font-weight: 800; font-size: 1.45rem; color: var(--text); letter-spacing: -.5px; }
.logo:hover { text-decoration: none; }
.logo-mark { color: var(--primary); }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a { color: var(--text); font-weight: 500; }
.menu a.btn { color: #fff; }
.nav-toggle, .nav-burger { display: none; }

/* Buttons */
.btn {
    display: inline-block; padding: 14px 26px; border-radius: 10px;
    background: var(--primary); color: #fff; font-weight: 600;
    border: 2px solid var(--primary); transition: background .2s;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-small { padding: 8px 18px; }

/* Sections */
section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin: 0 auto 50px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.eyebrow {
    display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 1.5px;
    text-transform: uppercase; color: var(--primary); margin-bottom: 12px;
}

/* Hero */
.hero { padding: 110px 0 90px; background: radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--primary) 16%, transparent), transparent 55%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 620px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.hero-card ul { list-style: none; padding: 0; margin: 0; }
.hero-card li { padding: 10px 0 10px 32px; border-bottom: 1px solid var(--border); position: relative; }
.hero-card li:last-child { border-bottom: 0; }
.hero-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }

/* Grids & cards */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow);
}
.card p { color: var(--muted); }
.card .icon {
    width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
    background: color-mix(in srgb, var(--primary) 14%, transparent); color: var(--primary);
    font-size: 1.4rem; margin-bottom: 16px;
}
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 6px 0 6px 28px; position: relative; color: var(--muted); }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats strong { display: block; font-size: 2rem; color: var(--primary); }
.stats span { color: var(--muted); }

.steps { counter-reset: step; }
.steps .card { position: relative; padding-top: 52px; }
.steps .card::before {
    counter-increment: step; content: counter(step, decimal-leading-zero);
    position: absolute; top: 18px; left: 28px; font-weight: 800; color: var(--primary);
}

.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.tags li { padding: 6px 14px; border: 1px solid var(--border); border-radius: 30px; background: var(--card); font-weight: 600; font-size: .95rem; }

/* FAQ */
.faq details {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 18px 22px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* CTA */
.cta { background: linear-gradient(135deg, var(--primary), #6a3bff); color: #fff; border-radius: 20px; padding: 60px 40px; text-align: center; }
.cta p { color: rgba(255,255,255,.9); max-width: 700px; margin: 0 auto 24px; }
.cta .btn { background: #fff; color: var(--primary); border-color: #fff; }

/* Legal pages */
.legal-hero { padding: 70px 0 40px; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.legal-hero p { color: var(--muted); }
.legal { display: grid; grid-template-columns: 260px 1fr; gap: 50px; padding: 50px 20px 90px; }
.legal aside { position: sticky; top: 90px; align-self: start; font-size: .93rem; }
.legal aside ol { padding-left: 18px; margin: 0; }
.legal aside li { margin-bottom: 6px; }
.legal aside a { color: var(--muted); }
.legal article h2 { font-size: 1.5rem; margin-top: 2em; padding-top: 10px; scroll-margin-top: 90px; }
.legal article h2:first-child { margin-top: 0; }
.legal article h3 { font-size: 1.1rem; margin-top: 1.5em; }
.legal article ul, .legal article ol { padding-left: 22px; }
.legal article li { margin-bottom: 6px; }
.legal table { width: 100%; border-collapse: collapse; margin: 1em 0 1.5em; font-size: .95rem; }
.legal th, .legal td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
.legal th { background: var(--bg-alt); }
.table-wrap { overflow-x: auto; }
.note { background: var(--bg-alt); border-left: 4px solid var(--primary); padding: 16px 20px; border-radius: 8px; margin: 1.2em 0; }

/* Footer */
.site-footer { background: #0a1020; color: #b8c2d6; padding: 70px 0 0; }
.site-footer .logo { color: #fff; }
.site-footer h4 { color: #fff; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #b8c2d6; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid #1d2840; padding-top: 22px; padding-bottom: 22px; font-size: .9rem; }
.footer-bottom p { margin: 0; }

/* Responsive */
@media (max-width: 980px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .hero-grid, .split { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .legal { grid-template-columns: 1fr; }
    .legal aside { position: static; }
}
@media (max-width: 760px) {
    section { padding: 64px 0; }
    .grid-2, .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
    .nav-burger { display: block; width: 30px; height: 22px; position: relative; cursor: pointer; }
    .nav-burger span, .nav-burger span::before, .nav-burger span::after {
        position: absolute; left: 0; width: 30px; height: 3px; background: var(--text); border-radius: 2px; content: "";
    }
    .nav-burger span { top: 9px; }
    .nav-burger span::before { top: -9px; }
    .nav-burger span::after { top: 9px; }
    .menu {
        display: none; position: absolute; top: 70px; left: 0; right: 0; flex-direction: column;
        background: var(--bg); border-bottom: 1px solid var(--border); padding: 20px; gap: 16px;
    }
    .nav-toggle:checked ~ .menu { display: flex; }
    .cta { padding: 44px 22px; }
}