/* === Spacebots FTC — shared styles === */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0b0f1a;
  --bg-alt: #111827;
  --surface: #161d2e;
  --border: #253046;
  --accent: #4fb3ff;
  --accent-bright: #7fc9ff;
  --accent-2: #ff8a3d;
  --text: #e6ebf5;
  --text-secondary: #a3adc2;
  --text-muted: #6b7691;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 10px;
  --max: 1080px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

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

img { max-width: 100%; display: block; }

/* === Navigation === */
nav {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 clamp(16px, 4vw, 48px);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

nav .logo span { color: var(--accent); }

nav .links {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

nav .links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

nav .links a:hover { color: var(--text); background: var(--surface); }
nav .links a.active { color: var(--accent); background: rgba(79, 179, 255, 0.1); }

/* === Page layout === */
main { flex: 1; }

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px clamp(16px, 4vw, 48px) 80px;
}

.page h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.page h1::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-top: 14px;
  border-radius: 2px;
}

.page .subtitle {
  color: var(--text-muted);
  margin: 16px 0 40px;
}

.page h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 40px 0 12px;
}

.page p { color: var(--text-secondary); margin-bottom: 16px; max-width: 68ch; }

/* === Cards === */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
  transition: transform 0.2s, border-color 0.2s;
}

a.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  color: var(--text);
}

.card .icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
.card p { font-size: 0.9rem; color: var(--text-secondary); margin: 0; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--accent);
  color: var(--bg);
  transition: background 0.2s;
}

.btn:hover { background: var(--accent-bright); color: var(--bg); }

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

.btn.secondary:hover { border-color: var(--accent); color: var(--text); }

/* === Placeholder block === */
.placeholder {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-alt);
}

.placeholder .icon { font-size: 2.5rem; margin-bottom: 12px; }

/* === Footer === */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 32px clamp(16px, 4vw, 48px);
}

footer .inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer .inner a { color: var(--text-secondary); }
footer .inner a:hover { color: var(--accent); }
footer .social { display: flex; gap: 16px; }

/* === Responsive === */
@media (max-width: 700px) {
  nav { height: 56px; }
  nav .links a { padding: 6px 8px; font-size: 0.8rem; }
  .page { padding: 36px 16px 60px; }
}

@media (max-width: 440px) {
  nav .logo { font-size: 0.95rem; }
  nav .links a { padding: 6px 5px; font-size: 0.72rem; }
}