:root {
  --bg: #f5f4ff;
  --surface: rgba(255,255,255,0.82);
  --card: #ffffff;
  --text: #111827;
  --muted: #5b6173;
  --accent: #5b5df0;
  --accent-secondary: #111827;
  --border: rgba(17, 24, 39, 0.09);
}

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section-stack { display: grid; gap: 20px; }
.card-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.card-grid > * { grid-column: span 4; }
@media (max-width: 900px) { .card-grid > * { grid-column: span 6; } }
@media (max-width: 640px) { .card-grid > * { grid-column: 1 / -1; } }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { min-height: 100vh; font-family: Inter, system-ui, sans-serif; color: var(--text); background: radial-gradient(circle at top left, rgba(91,93,240,0.12), transparent 24%), linear-gradient(180deg, #f8f7ff 0%, var(--bg) 100%); }
a { color: inherit; text-decoration: none; }
.site-frame { min-height: 100vh; }
.site-header, .site-footer { max-width: 1160px; margin: 0 auto; display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 24px; }
.brand-mark { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; }
.site-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.nav-link { padding: 10px 14px; border-radius: 999px; color: var(--muted); }
.nav-link:hover { background: rgba(91,93,240,0.08); color: var(--text); }
.page-shell { display: grid; gap: 64px; padding: 0 0 64px; }
.hero-block { padding: 72px 0 16px; }
.eyebrow { margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.76rem; color: var(--muted); }
.hero-block h1 { margin: 0 0 18px; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 0.96; max-width: 12ch; }
.lead { margin: 0; max-width: 62ch; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.button-primary, .button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 999px; font-weight: 600; }
.button-primary { background: var(--accent); color: white; }
.button-secondary { border: 1px solid var(--border); background: rgba(255,255,255,0.72); color: var(--text); }
.section-card { padding: 28px; border-radius: 24px; background: var(--card); border: 1px solid var(--border); box-shadow: 0 20px 48px rgba(17,24,39,0.06); }
.section-card h2 { margin: 0 0 10px; font-size: 1.12rem; }
.section-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.site-footer { color: var(--muted); font-size: 0.95rem; }
@media (max-width: 720px) { .site-header, .site-footer { flex-direction: column; align-items: flex-start; } .hero-block { padding-top: 56px; } }