@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #070C14;
  --bg-dark: #030609;
  --accent-cyan: #22D3EE;
  --accent-red: #EF4444;
  --text-primary: #E0E8F0;
  --text-secondary: #667A90;
  --line: rgba(34, 211, 238, 0.14);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  line-height: 1.65;
  background-image: radial-gradient(rgba(34, 211, 238, 0.055) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
}

a:hover {
  opacity: 0.9;
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 12, 20, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.nav a.active,
.nav a:hover {
  color: var(--accent-cyan);
}

.main {
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 52px 20px 72px;
}

.micro-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(34, 211, 238, 0.60);
}

.micro-label::before {
  content: '// ';
  opacity: 0.55;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.04;
}

h1 {
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  margin: 10px 0 22px;
}

h2 {
  font-size: clamp(1.25rem, 2.8vw, 2rem);
  margin: 34px 0 14px;
}

p {
  color: var(--text-primary);
  margin: 0 0 14px;
}

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

.panel {
  background: rgba(3, 6, 9, 0.88);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.58),
    inset 0 1px 0 rgba(34, 211, 238, 0.05);
  padding: clamp(18px, 3vw, 34px);
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(34, 211, 238, 0.12);
  border-radius: 4px;
  padding: 14px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li {
  margin: 0 0 8px;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 44px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 12px;
}

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

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

  .nav {
    gap: 10px;
  }
}