:root {
  color-scheme: dark;
  --bg: #0b1120;
  --panel: #111c30;
  --text: #e5edf7;
  --muted: #94a3b8;
  --accent: #67e8f9;
  --green: #86efac;
  --border: #26364d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Consolas, "Courier New", monospace;
  line-height: 1.7;
}

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

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px 8%;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.3rem;
  font-weight: bold;
}

.logo span,
.hero h1 span,
.eyebrow,
.tag {
  color: var(--accent);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

nav a,
.muted {
  color: var(--muted);
}

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

.hero,
.section {
  max-width: 1080px;
  margin: auto;
  padding: 90px 24px;
}

.hero h1 {
  max-width: 850px;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.15;
}

.intro,
.section > p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
}

.eyebrow,
.tag {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
}

.primary {
  background: var(--accent);
  color: #07111c;
  font-weight: bold;
}

.secondary:hover {
  background: var(--panel);
}

.terminal,
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
}

.terminal {
  max-width: 680px;
  margin-top: 42px;
  box-shadow: 0 15px 45px #00000020;
}

.terminal p {
  margin: 8px 0;
}

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

.section {
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card h3 {
  margin-top: 4px;
}

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

.card .tag {
  color: var(--accent);
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 640px) {
  .navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 12px;
  }

  .hero,
  .section {
    padding: 56px 20px;
  }

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