:root {
  --bg: #0f1115;
  --bg-elevated: #161921;
  --panel: #1c202a;
  --border: #262a33;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --shadow: 0 0.75rem 2.5rem rgba(0, 0, 0, 0.35);
  --radius: 0.75rem;
  --gap: clamp(1rem, 2vw, 2rem);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.08), transparent 25%),
              radial-gradient(circle at 80% 0%, rgba(186, 230, 253, 0.06), transparent 30%),
              var(--bg);
  color: var(--text);
  font-family: 'General Sans', system-ui, -apple-system, sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--gap);
  padding: 1.125rem var(--gap);
  background: rgba(15, 17, 21, 0.9);
  backdrop-filter: blur(0.75rem);
  border-bottom: 0.0625rem solid var(--border);
  box-shadow: var(--shadow);
}

.brand a {
  color: var(--text);
  font-family: 'Raleway', 'General Sans', sans-serif;
  font-weight: 700;
  letter-spacing: 0.025rem;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.nav a {
  padding: 0.5rem 0.75rem;
  border-radius: 0.625rem;
  color: var(--muted);
  text-decoration: none;
  border: 0.0625rem solid transparent;
  text-transform: capitalize;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
  border-color: var(--border);
  background: rgba(56, 189, 248, 0.12);
}

.page-body {
  display: grid;
  grid-template-columns: minmax(16.25rem, 17.5rem) 1fr;
  gap: var(--gap);
  width: calc(100vw - 20%);
  margin: var(--gap) auto var(--gap);
}

.sidebar {
  padding: 1.25rem;
  background: var(--panel);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 5.375rem;
}

.content {
  background: var(--bg-elevated);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: auto;
  padding: 1rem var(--gap) 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  border-top: 0.0625rem solid var(--border);
  background: rgba(15, 17, 21, 0.9);
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;

  &:hover {
    border: none;
    color: var(--accent-strong);
    text-decoration: none;
  }
}

.footer-links {
  display: flex;
  gap: 0.75rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.25rem, 1fr));
  gap: var(--gap);
}

.card {
  background: var(--panel);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius);
  padding: 1.125rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  border-color: rgba(125, 211, 252, 0.7);
  text-decoration: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  border-radius: 62.4375rem;
  border: 0.0625rem solid rgba(56, 189, 248, 0.24);
  font-size: 0.8125rem;
}

.divider {
  height: 0.0625rem;
  width: 100%;
  background: var(--border);
  margin: 1.125rem 0;
}