:root {
  --bg-primary: #0f1115;
  --bg-surface: #181b20;
  --bg-surface-elevated: #22262e;
  --text-main: #e6e8eb;
  --text-muted: #9aa1ad;
  --accent-rust: #e07a5f;
  --accent-sage: #81b29a;
  --accent-gold: #f2cc8f;
  --border-subtle: #2d323b;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 780px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-rust);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text-main);
}

nav a[aria-current="page"] {
  border-bottom: 2px solid var(--accent-rust);
  padding-bottom: 0.25rem;
}

main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

h2 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
  color: var(--text-main);
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

strong {
  color: var(--text-main);
}

.lead {
  font-size: 1.15rem;
  color: var(--text-main);
  line-height: 1.7;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card h3 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.meta-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent-sage);
  margin-bottom: 0.75rem;
}

.log-entry {
  border-left: 2px solid var(--border-subtle);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

.log-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-gold);
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  background-color: var(--accent-rust);
  color: var(--bg-primary);
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  margin-top: 1rem;
}

footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}