:root {
  color-scheme: light;
  --ink: #101827;
  --muted: #536174;
  --line: #e4e8ef;
  --soft: #f6f8fb;
  --dark: #0f1322;
  --cyan: #0891b2;
  --amber: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(16px);
}

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

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--dark);
  color: #ffffff;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.navlinks a {
  text-decoration: none;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--dark);
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
}

.hero {
  padding: 86px 0 64px;
  background: linear-gradient(135deg, #0f1322 0%, #172033 55%, #063747 100%);
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 18px;
  color: #67e8f9;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.02;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2.4vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary {
  background: var(--amber);
  color: #111827;
}

.ghost {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

main {
  padding: 64px 0 76px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 48px;
  align-items: start;
}

.content {
  display: grid;
  gap: 34px;
}

section {
  border-bottom: 1px solid var(--line);
  padding-bottom: 34px;
}

section:last-child {
  border-bottom: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.12;
}

p {
  margin: 0;
  color: var(--muted);
}

ul {
  margin: 16px 0 0;
  padding-left: 22px;
  color: var(--muted);
}

li + li {
  margin-top: 8px;
}

.panel {
  position: sticky;
  top: 96px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--soft);
}

.panel h2 {
  font-size: 22px;
}

.panel a {
  margin-top: 18px;
  width: 100%;
}

.links {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.links a {
  color: var(--cyan);
  font-weight: 800;
  text-decoration: none;
}

footer {
  padding: 38px 0;
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .navlinks {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 58px;
  }

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

  .panel {
    position: static;
  }
}
