:root {
    --bg: #0b0d12;
    --bg-alt: #11141b;
    --text: #e8ecf1;
    --muted: #a7b0ba;
    --primary: #4f8cff;
    --primary-600: #3f6fd1;
    --card: #161a22;
    --border: #212734;
    --success: #2ec27e;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(1200px 800px at 80% -10%, rgba(79, 140, 255, 0.15), transparent 60%),
                radial-gradient(900px 700px at 10% -20%, rgba(46, 194, 126, 0.12), transparent 60%),
                var(--bg);
    line-height: 1.6;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    position: sticky;
    top: 0;
    backdrop-filter: saturate(160%) blur(8px);
    background: rgba(11,13,18,0.6);
    border-bottom: 1px solid var(--border);
    z-index: 10;
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    font-weight: 700;
    letter-spacing: 0.2px;
}
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
nav a:hover { color: var(--text); }
nav .btn.primary { margin-left: 24px; }

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
}
.btn.primary { background: var(--primary); border-color: transparent; color: white; }
.btn.primary:hover { background: var(--primary-600); }
.btn.ghost { background: transparent; }
.btn.large { padding: 14px 20px; font-weight: 600; }

.hero {
    padding: 96px 0 56px;
    text-align: center;
}
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); max-width: 900px; margin: 0 auto; }
.cta { margin-top: 24px; }
.cta .btn { margin: 0 8px; }
.tags { margin-top: 20px; }
.tags span {
    display: inline-block;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 999px;
    margin: 6px;
    color: var(--muted);
    font-size: 14px;
}

.section { padding: 64px 0; background: transparent; }
.section.alt { background: linear-gradient(0deg, rgba(255,255,255,0.02), rgba(255,255,255,0.02)); }

.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: center; }
.two-col .text h2 { margin: 0 0 8px; font-size: 28px; }
.two-col .text p { color: var(--muted); }

.mockup {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    height: 240px;
    display: grid;
    place-items: center;
    color: var(--muted);
}

.visual .visual-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--card);
}

.checklist, .bullets { padding-left: 18px; }
.checklist li { margin: 8px 0; }
.checklist li::marker { color: var(--success); }
.bullets li { margin: 6px 0; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 16px;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    color: var(--text);
    text-decoration: none;
}
.card:hover { border-color: var(--primary); }
.card-title { font-weight: 600; margin-bottom: 6px; }
.card-desc { color: var(--muted); }

.cta-section { padding: 64px 0 72px; text-align: center; }
.cta-section p { color: var(--muted); }

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-alt);
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    font-size: 14px;
    color: var(--muted);
}
.footer-links a { color: var(--muted); text-decoration: none; margin-left: 16px; }
.footer-links a:hover { color: var(--text); }

@media (max-width: 900px) {
    .two-col { grid-template-columns: 1fr; }
    nav a { display: none; }
    nav .btn.primary { display: inline-block; }
    .hero { padding-top: 72px; }
    .hero h1 { font-size: 32px; }
}