:root {
  --bg: #0f172a;
  --bg-alt: #020617;
  --fg: #e5e7eb;
  --muted: #9ca3af;
  --accent: #f97316;
  --accent-soft: rgba(249,115,22,0.12);
  --border: #1f2937;
  --radius-lg: 18px;
  --radius-md: 10px;
  --shadow-soft: 0 18px 40px rgba(15,23,42,0.6);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
               "Helvetica Neue", Arial, sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top left, #111827, #020617 60%);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.5;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header h1 {
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
}

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

.site-header nav a {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-header nav a:hover {
  border-color: var(--accent-soft);
  background: var(--accent-soft);
  color: var(--fg);
}

/* Hero */

.hero {
  margin: 2.5rem 0 1rem;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, #111827, #020617 60%);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148,163,184,0.18);
}

.hero h2 {
  font-size: 1.6rem;
  margin-top: 0;
}

.hero p {
  color: var(--muted);
  max-width: 60rem;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 3rem;
}

.card {
  background: rgba(15,23,42,0.95);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  border: 1px solid rgba(30,64,175,0.45);
  box-shadow: 0 16px 35px rgba(15,23,42,0.75);
  transition: transform 0.12s ease-out, box-shadow 0.12s ease-out,
              border-color 0.12s ease-out, background 0.12s ease-out;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: radial-gradient(circle at top left,
              rgba(249,115,22,0.12),
              rgba(15,23,42,0.95) 55%);
}

/* Tables / layout helpers (used on other pages) */

.table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.table th,
.table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

.table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid rgba(148,163,184,0.4);
  color: var(--muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(15,23,42,0.9);
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--muted);
}


/* Truncate-dir */

.truncate-dir {
  display: block;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}