:root {
  color-scheme: dark;
  --bg: #10141c;
  --surface: #171d27;
  --border: #303b4c;
  --text: #f0f3f8;
  --muted: #b1bfd3;
  --accent: #a4c6ff;
  --primary: #346fca;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.65 Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.wrap {
  max-width: 1120px;
  margin: auto;
  padding: 0 32px;
}
header {
  border-bottom: 1px solid var(--border);
}
nav {
  display: flex;
  gap: 30px;
  align-items: center;
  min-height: 84px;
}
.brand {
  font-weight: 650;
  font-size: 24px;
  letter-spacing: -0.05em;
  margin-right: auto;
}
.brand i {
  color: var(--accent);
  font-style: normal;
  margin-right: 8px;
}
nav > a:not(.brand) {
  font-size: 13px;
  color: var(--muted);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 9px;
  background: var(--primary);
  color: white;
  font-weight: 550;
  font-size: 14px;
  border: 1px solid var(--primary);
  text-decoration: none;
}
.button.secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.button[aria-disabled="true"] {
  background: var(--surface);
  border-color: var(--border);
  color: var(--muted);
  cursor: default;
}
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 70px;
  align-items: center;
  padding: 100px 0 80px;
}
.eyebrow {
  font-size: 12px;
  font-weight: 550;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}
h1 {
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.055em;
  font-weight: 600;
  margin: 20px 0;
}
h2 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.25;
  margin: 0 0 18px;
}
h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 12px;
}
p {
  color: var(--muted);
  margin: 0 0 20px;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 30px 0 20px;
}
.note {
  font-size: 12px;
  color: var(--muted);
}
.workflow {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  padding: 28px;
}
.workflow > p {
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
  margin-bottom: 0;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.step > b {
  color: var(--accent);
  font-size: 12px;
  padding-top: 3px;
}
.step strong {
  display: block;
  font-size: 14px;
}
.step span {
  color: var(--muted);
  font-size: 12px;
}
.section {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 30px;
}
.card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.card p {
  font-size: 14px;
  margin: 0;
}
.purchase {
  max-width: 760px;
  padding: 70px 0;
  margin: auto;
}
.purchase h1 {
  font-size: 46px;
}
.purchase .card {
  margin: 28px 0;
}
.purchase ul {
  color: var(--muted);
  padding-left: 20px;
  font-size: 14px;
}
.price {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin: 20px 0 8px;
}
footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  margin-top: 30px;
  color: var(--muted);
  font-size: 12px;
}
.foot {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  flex-wrap: wrap;
}
details {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
details p {
  margin: 12px 0 0;
  font-size: 14px;
}
@media (max-width: 720px) {
  .wrap {
    padding: 0 22px;
  }
  nav {
    gap: 20px;
    min-height: 72px;
  }
  nav > a:not(.brand):not(.button) {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 56px 0;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 40px 0;
  }
  .purchase {
    padding: 40px 0;
  }
  .purchase h1 {
    font-size: 36px;
  }
  .workflow,
  .card {
    padding: 22px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
  }
}