:root {
  --bg: #071018;
  --bg-2: #0d1a24;
  --card: #122230;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef4f7;
  --muted: #9db0bc;
  --accent: #ff7a3d;
  --accent-2: #ffd2b8;
  --ok: #7ddea5;
  --err: #ff8a8a;
  --radius: 22px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Manrope, sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(255, 122, 61, 0.18), transparent 55%),
    radial-gradient(900px 400px at 100% 0%, rgba(80, 160, 190, 0.14), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: #fff; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(760px, calc(100% - 40px)); }
.sr-only { position: absolute; left: -9999px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7, 16, 24, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner, .nav-links { display: flex; align-items: center; gap: 18px; }
.nav-inner { justify-content: space-between; min-height: 76px; }
.nav-links { flex-wrap: wrap; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 24px; }

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 20px;
}
.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, #ff7a3d, #ffb347);
  box-shadow: 0 0 0 4px rgba(255, 122, 61, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 18px;
  font-family: inherit;
}
.btn-lg { padding: 14px 22px; }
.full { width: 100%; }
.btn-solid { background: var(--accent); color: #1a0c05; }
.btn-solid:hover { color: #1a0c05; filter: brightness(1.08); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid var(--line);
}

.hero { padding: 72px 0 40px; }
.hero-grid, .split, .newsletter, .footer-grid, .cards { display: grid; gap: 28px; }
.hero-grid { grid-template-columns: 1.2fr 0.8fr; align-items: center; }
.eyebrow {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12px;
}
h1, h2, h3 { letter-spacing: -0.04em; line-height: 1.1; margin: 8px 0 14px; }
h1 { font-size: clamp(38px, 6vw, 72px); }
h2 { font-size: clamp(28px, 4vw, 44px); }
.lead { font-size: 18px; color: var(--muted); max-width: 58ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }
.stats { display: flex; gap: 22px; }
.stats strong { display: block; font-size: 22px; }
.stats span { color: var(--muted); font-size: 13px; }

.hero-card, .card, .panel, .auth-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.checklist { padding-left: 18px; color: var(--muted); }
.checklist li { margin: 8px 0; }

.section { padding: 72px 0; }
.section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.cards { grid-template-columns: repeat(4, 1fr); }
.split { grid-template-columns: 1.1fr 0.9fr; align-items: start; }
.steps { color: var(--muted); padding-left: 18px; }
.steps li { margin: 12px 0; }
.muted, .fine { color: var(--muted); font-size: 14px; }

.newsletter {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  background: #101d28;
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 36px;
}
.form-row, form { display: grid; gap: 12px; }
.form-row input, form input {
  width: 100%;
  border: 1px solid var(--line);
  background: #0b151d;
  color: #fff;
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
}
label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
.alert { padding: 10px 12px; border-radius: 12px; margin: 0; }
.alert.error { background: rgba(255, 80, 80, 0.12); color: var(--err); }
.alert.success { background: rgba(80, 180, 120, 0.12); color: var(--ok); }

.auth { display: grid; place-items: center; }
.auth-card { width: min(460px, 100%); }
.auth-card.wide { width: min(640px, 100%); }
.meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.meta dt { color: var(--muted); font-size: 12px; }
.meta dd { margin: 0; font-weight: 700; }

.footer { border-top: 1px solid var(--line); padding: 40px 0 24px; color: var(--muted); }
.footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
.footer-copy { margin-top: 28px; font-size: 13px; }
.legal { padding-top: 48px; }

@media (max-width: 900px) {
  .hero-grid, .cards, .split, .newsletter, .footer-grid, .meta { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-links { display: none; width: 100%; padding-bottom: 16px; }
  .nav-links.open { display: flex; }
  .nav-inner { flex-wrap: wrap; }
}