:root {
  --ink: #111827;
  --muted: #5b6472;
  --line: #e5e7eb;
  --soft: #f6f7fb;
  --brand: #5b35f2;
  --brand-dark: #371aa8;
  --green: #19a974;
  --white: #ffffff;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--white); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 18px 6vw; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; }
.brand span { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--brand); color: var(--white); margin-right: 7px; }
.nav { display: flex; gap: 22px; align-items: center; font-weight: 600; color: var(--muted); }
.nav a.active, .nav a:hover { color: var(--brand); }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 1.5rem; }
.hero { padding: 88px 6vw 70px; background: radial-gradient(circle at top left, #efeaff 0, transparent 38%), linear-gradient(180deg, #fff, #f9fafb); }
.hero-grid, .split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; max-width: 1180px; margin: auto; }
.eyebrow { color: var(--brand); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; }
h1 { font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: .98; letter-spacing: -.06em; margin: 12px 0 22px; }
h2 { font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.05; letter-spacing: -.04em; margin: 0 0 18px; }
h3 { margin-top: 0; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 680px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.button, button.button { display: inline-flex; align-items: center; justify-content: center; padding: 13px 20px; border-radius: 999px; background: var(--brand); color: white; font-weight: 800; border: 0; cursor: pointer; box-shadow: 0 12px 26px rgba(91,53,242,.22); }
.button.secondary { background: var(--white); color: var(--brand); border: 1px solid var(--line); box-shadow: none; }
.button.small { padding: 10px 16px; }
.panel { background: var(--white); border: 1px solid var(--line); border-radius: 28px; padding: 28px; box-shadow: 0 24px 70px rgba(17,24,39,.08); }
.demo-card { display: grid; gap: 14px; }
.demo-row { padding: 16px; border-radius: 18px; background: var(--soft); }
.demo-row strong { display:block; }
section { padding: 76px 6vw; }
.container { max-width: 1180px; margin: auto; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { border: 1px solid var(--line); border-radius: 24px; padding: 26px; background: var(--white); }
.card.highlight { border-color: rgba(91,53,242,.4); box-shadow: 0 18px 45px rgba(91,53,242,.12); }
.muted { color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start; }
.step:before { content: counter(step); display: grid; place-items: center; width: 48px; height: 48px; border-radius: 16px; background: var(--brand); color: white; font-weight: 900; }
.band { background: var(--ink); color: var(--white); }
.band .muted { color: #cbd5e1; }
.form { display: grid; gap: 16px; }
.form input, .form select, .form textarea { width: 100%; padding: 14px 15px; border: 1px solid var(--line); border-radius: 14px; font: inherit; }
.form textarea { min-height: 150px; resize: vertical; }
.notice { padding: 14px 16px; border-radius: 14px; background: #ecfdf5; color: #065f46; margin-bottom: 18px; }
.error { background: #fef2f2; color: #991b1b; }
.site-footer { padding: 36px 6vw; border-top: 1px solid var(--line); background: var(--soft); display: flex; justify-content: space-between; gap: 30px; color: var(--muted); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-weight: 700; }
.price { font-size: 2.2rem; font-weight: 900; letter-spacing: -.04em; }
ul.clean { padding-left: 18px; }
@media (max-width: 860px) {
  .hero-grid, .split, .grid-3 { grid-template-columns: 1fr; }
  .nav { display: none; position: absolute; top: 73px; left: 0; right: 0; padding: 20px 6vw; background: white; border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .site-footer { flex-direction: column; }
}