:root {
  color-scheme: dark;
  --bg: #08090c;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: #f5f7fb;
  --muted: #a6adbb;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #93c5fd;
  --accent-2: #c4b5fd;
  --ok: #86efac;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 2%, rgba(147, 197, 253, 0.24), transparent 32rem),
    radial-gradient(circle at 88% 10%, rgba(196, 181, 253, 0.18), transparent 28rem),
    linear-gradient(180deg, #0c0d12 0%, #08090c 58%, #050609 100%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.mark {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 36px rgba(147, 197, 253, 0.3);
}

.links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.links a:hover {
  color: var(--text);
}

.hero {
  padding: 84px 0 56px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 8px 12px;
  color: #dbeafe;
  background: rgba(147, 197, 253, 0.1);
  border: 1px solid rgba(147, 197, 253, 0.22);
  border-radius: 999px;
  font-size: 13px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin: 0 auto 24px;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.95;
  letter-spacing: -0.075em;
}

.lead {
  max-width: 720px;
  margin: 0 auto 32px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 650;
  border: 1px solid var(--line);
}

.button.primary {
  color: #050609;
  background: linear-gradient(135deg, #eff6ff, #c4b5fd);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0 72px;
}

.card {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card h2,
.card h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: -0.035em;
}

.card p,
.section p,
.footer {
  color: var(--muted);
}

.section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
  letter-spacing: -0.06em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.steps {
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 56px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 24px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #050609;
  background: var(--ok);
  border-radius: 12px;
  font-weight: 800;
}

.help-list {
  display: grid;
  gap: 14px;
}

.help-link {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .links {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 48px;
  }

  .grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}