:root {
  --bg: #0b1220;
  --bg-soft: #121b2e;
  --card: #121a2b;
  --text: #ecf2ff;
  --muted: #a8b6d8;
  --accent: #56d4ff;
  --accent-2: #8cffda;
  --border: #2a3a5f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 400px at 10% -10%, rgba(86, 212, 255, 0.2), transparent 70%),
    radial-gradient(1000px 400px at 90% -20%, rgba(140, 255, 218, 0.16), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.hero {
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 1rem 2rem;
}

.hero__inner {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: 96px 1fr;
  align-items: center;
}

.hero__icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  border: 1px solid var(--border);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

h1 {
  margin: 0.2rem 0 0.6rem;
  font-size: clamp(2rem, 4.5vw, 3rem);
}

h2,
h3 {
  margin-top: 0;
}

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

.hero__actions {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  text-decoration: none;
  color: #061227;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
  font-weight: 700;
}

.button--ghost {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)), var(--card);
  border-radius: 14px;
  padding: 1rem;
}

.topnav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.topnav a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  border: 1px solid transparent;
}

.topnav a[aria-current="page"] {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

figure {
  margin: 0;
}

figure img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border);
}

figcaption {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.muted {
  color: var(--muted);
}

a {
  color: var(--accent);
}

code {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.08rem 0.35rem;
}

.footer {
  text-align: center;
  color: var(--muted);
  padding: 1.5rem 1rem 2rem;
}

@media (max-width: 760px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__icon {
    width: 72px;
    height: 72px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .topnav {
    flex-wrap: wrap;
  }
}