:root {
  color-scheme: dark;
  --bg: #050506;
  --panel: #131417;
  --line: rgba(255, 255, 255, 0.14);
  --text: #f7f7f8;
  --muted: #b1b4ba;
  --coral: #ff514d;
  --cyan: #2be7ff;
  --lime: #9dfc5b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -10%, rgba(255, 81, 77, 0.18), transparent 32rem),
    radial-gradient(circle at 88% 0%, rgba(43, 231, 255, 0.12), transparent 34rem),
    var(--bg);
}

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

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

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 26px;
  font-weight: 900;
}

.brand span {
  color: var(--coral);
}

nav {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

main {
  padding: 54px 0;
}

.hero {
  display: grid;
  gap: 22px;
  padding-bottom: 42px;
}

h1 {
  max-width: 840px;
  margin: 0;
  font-size: clamp(40px, 7vw, 74px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.05;
}

h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

p,
li {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.lead {
  max-width: 760px;
  font-size: 21px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--coral), #ff7664);
  color: white;
  font-weight: 850;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card,
.faq,
.notice {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
}

.card {
  padding: 22px;
}

.faq,
.notice {
  margin-top: 18px;
  padding: 22px;
}

.notice {
  border-color: rgba(43, 231, 255, 0.36);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: white;
  font-size: 14px;
  font-weight: 760;
}

section {
  margin-top: 46px;
}

footer {
  padding: 28px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 780px) {
  header,
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  header {
    justify-content: center;
    gap: 10px;
  }

  nav {
    gap: 8px;
  }

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

  p,
  li,
  .lead {
    font-size: 16px;
  }
}