:root {
  --bg: #0a0e1a;
  --bg-alt: #0f1424;
  --card: #141b2e;
  --border: #1f2940;
  --text: #e8ecf5;
  --muted: #97a3bf;
  --brand: #4f7cff;
  --brand-2: #7b5cff;
  --accent: #2dd4bf;
  --radius: 16px;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.center { text-align: center; }

a { color: inherit; text-decoration: none; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; font-weight: 600; font-size: 15px;
  padding: 12px 22px; border-radius: 10px;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(79,124,255,.6); }
.btn--lg { padding: 15px 28px; font-size: 16px; }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--block { width: 100%; }
.btn--ghost {
  background: transparent; border: 1px solid var(--border); color: var(--text);
}
.btn--ghost:hover { border-color: var(--brand); box-shadow: none; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,14,26,.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { font-weight: 800; font-size: 19px; letter-spacing: -.02em; display: inline-flex; align-items: center; gap: 8px; }
.brand__mark { color: var(--brand); }
.nav__links { display: flex; gap: 28px; }
.nav__links a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav__links a:hover { color: var(--text); }

/* HERO */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(900px 500px at 70% -10%, rgba(123,92,255,.18), transparent 60%),
    radial-gradient(700px 400px at 15% 10%, rgba(79,124,255,.16), transparent 55%);
}
.eyebrow {
  display: inline-block; color: var(--accent); font-weight: 600; font-size: 14px;
  letter-spacing: .04em; text-transform: uppercase; margin-bottom: 18px;
  border: 1px solid var(--border); padding: 6px 14px; border-radius: 999px;
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 60px); line-height: 1.05; letter-spacing: -.03em;
  font-weight: 800; max-width: 16ch;
}
.grad { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--muted); font-size: clamp(16px, 2vw, 19px); max-width: 60ch; margin-top: 22px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 56px; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 14px; }

/* SECTIONS */
.section { padding: 84px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: -.025em; line-height: 1.15; }
.section__sub { color: var(--muted); font-size: 18px; margin-top: 12px; }
.section__title.center, .section__sub.center { margin-left: auto; margin-right: auto; max-width: 720px; }

/* CARDS */
.cards { display: grid; gap: 20px; margin-top: 44px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }

/* STEPS */
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 48px; }
.step { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; position: relative; }
.step__num { font-size: 14px; font-weight: 700; color: var(--brand); letter-spacing: .1em; margin-bottom: 14px; }
.step h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* CHECKLIST */
.checklist { list-style: none; margin-top: 36px; display: grid; gap: 14px; }
.checklist li { position: relative; padding-left: 36px; font-size: 17px; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(45,212,191,.15); color: var(--accent);
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
}
.callout {
  margin-top: 34px; padding: 22px 26px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(79,124,255,.12), rgba(123,92,255,.12));
  border: 1px solid var(--border);
}
.callout p { font-size: 17px; }

/* PRICING */
.pricing { align-items: start; }
.price { display: flex; flex-direction: column; }
.price__amount { font-size: 32px; font-weight: 800; letter-spacing: -.02em; margin: 14px 0 6px; }
.price__amount span { font-size: 15px; font-weight: 500; color: var(--muted); }
.price__desc { color: var(--muted); font-size: 15px; min-height: 48px; }
.mini { list-style: none; margin: 18px 0 24px; display: grid; gap: 10px; }
.mini li { color: var(--muted); font-size: 14px; padding-left: 24px; position: relative; }
.mini li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.price .btn { margin-top: auto; }
.price--featured { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), 0 20px 50px -20px rgba(79,124,255,.5); position: relative; }
.badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 999px;
}

/* FAQ */
.faq { margin-top: 36px; display: grid; gap: 12px; }
.faq details {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 22px; cursor: pointer;
}
.faq summary { font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--muted); margin-top: 12px; font-size: 15px; }

/* CTA */
.cta {
  padding: 96px 0;
  background:
    radial-gradient(700px 360px at 50% 0%, rgba(123,92,255,.2), transparent 60%),
    var(--bg-alt);
  border-top: 1px solid var(--border);
}
.cta h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -.025em; }
.cta .lede { margin: 16px auto 30px; }
.cta__note { margin-top: 20px; color: var(--muted); font-size: 14px; }
.cta__note a { color: var(--accent); }

/* FOOTER */
.footer { border-top: 1px solid var(--border); padding: 30px 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer__copy { color: var(--muted); font-size: 14px; }

/* RESPONSIVE */
@media (max-width: 860px) {
  .cards--3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .hero { padding: 64px 0 56px; }
  .hero__trust { gap: 28px; }
}
