:root {
  --bg: #0b0b0f;
  --surface: #15151c;
  --line: #262632;
  --text: #f3f3f6;
  --muted: #a0a0b2;
  --accent: #ffe100;
  --accent-ink: #111;
  --radius: 18px;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3, .logo, .price { font-family: "Space Grotesk", Inter, sans-serif; letter-spacing: -0.02em; }
main > section { max-width: 1120px; margin: 0 auto; padding: 96px 20px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: rgba(11, 11, 15, .8); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.logo { font-size: 22px; font-weight: 700; text-decoration: none; }
.logo span { color: var(--accent); }
.nav nav { display: flex; gap: 22px; align-items: center; }
.nav nav a:not(.btn) { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav nav a:not(.btn):hover { color: var(--text); }

/* buttons */
.btn {
  display: inline-block; border: 0; cursor: pointer;
  padding: 14px 24px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font: 600 16px Inter, sans-serif; text-decoration: none; text-align: center;
  transition: transform .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.small { padding: 8px 16px; font-size: 14px; }

/* hero */
.hero { padding-top: 120px; }
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
.hero h1 { font-size: clamp(42px, 8vw, 88px); line-height: 1; margin: 18px 0 24px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lede { max-width: 620px; color: var(--muted); font-size: 19px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 36px 0 48px; }
.proof { display: flex; gap: 36px; flex-wrap: wrap; list-style: none; padding: 0; color: var(--muted); }
.proof strong { display: block; color: var(--text); font-size: 26px; font-family: "Space Grotesk", sans-serif; }

/* services */
.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.card h2 { font-size: 34px; margin: 12px 0; }
.card p { color: var(--muted); }
.card ul, .plan ul { padding: 0; margin-top: 20px; list-style: none; }
.card li, .plan li { padding: 8px 0 8px 28px; position: relative; border-top: 1px solid var(--line); }
.card li::before, .plan li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.tag { display: inline-block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); }

/* how */
.how h2, .plans h2 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 40px; }
.how ol { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; list-style: none; padding: 0; }
.how li { border-top: 2px solid var(--accent); padding-top: 18px; }
.how span { color: var(--accent); font-weight: 800; }
.how h3 { font-size: 22px; margin: 6px 0; }
.how p { color: var(--muted); }

/* plans */
.toggle { display: inline-flex; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin-bottom: 32px; }
.toggle button { border: 0; background: transparent; color: var(--muted); padding: 10px 20px; border-radius: 999px; font: 600 15px Inter, sans-serif; cursor: pointer; }
.toggle button.active { background: var(--text); color: var(--bg); }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.plan-grid[hidden] { display: none; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--accent); }
.plan ul { flex: 1; margin-bottom: 24px; }
.badge { color: var(--accent); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; }
.plan h3 { font-size: 24px; }
.price { font-size: 44px; font-weight: 700; margin: 8px 0; }
.price span { font-size: 16px; color: var(--muted); font-weight: 400; }

/* form */
.start { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; }
.start h2 { font-size: clamp(32px, 5vw, 52px); }
.start-copy p { color: var(--muted); margin-top: 16px; font-size: 18px; }
.small-print { font-size: 14px !important; }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.wide { grid-column: 1 / -1; }
input, select, textarea {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; font: 16px Inter, sans-serif;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.hp { position: absolute; left: -9999px; }
.status { min-height: 1.5em; }
.status.ok { color: #7cf29a; }
.status.err { color: #ff8080; }

footer { border-top: 1px solid var(--line); padding: 32px 20px; text-align: center; color: var(--muted); font-size: 14px; }

@media (max-width: 760px) {
  .nav nav a:not(.btn) { display: none; }
  main > section { padding: 64px 16px; }
  .hero { padding-top: 72px; }
  .start, form { grid-template-columns: 1fr; }
  .card, .plan { padding: 24px; }
}