:root {
  --bg: #0c111d;
  --bg2: #141b2b;
  --panel: #182034;
  --text: #e8ecf5;
  --muted: #9aa6bf;
  --blue: #2f6fed;
  --amber: #f5a623;
  --white: #f4f6fa;
  --border: #26304a;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font:
    16px/1.55 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Inter,
    Roboto,
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 50% -10%, #2b3d63 0%, var(--bg) 60%) fixed,
    var(--bg);
}
a {
  color: inherit;
}
.top {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
}
.brand img {
  border-radius: 9px;
}
nav {
  display: flex;
  gap: 18px;
  align-items: center;
}
nav a {
  text-decoration: none;
  color: var(--muted);
}
nav a:hover {
  color: var(--text);
}
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 60px;
}
.hero {
  text-align: center;
  padding: 60px 0 40px;
}
.hero-icon {
  border-radius: 36px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
h1 {
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 28px 0 14px;
}
.lead {
  max-width: 720px;
  margin: 0 auto;
  font-size: 18px;
  color: var(--muted);
}
.cta {
  margin: 30px 0 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.button {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(47, 111, 237, 0.35);
}
.button:hover {
  filter: brightness(1.1);
}
.button.small {
  padding: 8px 14px;
  border-radius: 9px;
  box-shadow: none;
  color: #fff;
}
.muted {
  color: var(--muted);
  font-size: 14px;
}
.fineprint {
  color: var(--muted);
  font-size: 13px;
  max-width: 640px;
  margin: 8px auto 0;
}
section {
  padding: 30px 0;
}
h2 {
  font-size: 28px;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 16px;
}
article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
article h3 {
  margin: 10px 0 8px;
  font-size: 17px;
}
article p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.blue {
  background: var(--blue);
}
.dot.amber {
  background: var(--amber);
}
.dot.white {
  background: var(--white);
}
.steps ol {
  padding-left: 22px;
  display: grid;
  gap: 10px;
  max-width: 800px;
}
.requirements ul {
  padding-left: 22px;
  display: grid;
  gap: 6px;
  max-width: 800px;
}
code {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 14px;
}
footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 640px) {
  nav a:not(.button) {
    display: none;
  }
}