:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #2d3a4f;
  --ad: #1e293b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

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

nav a {
  margin-left: 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--text);
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero {
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0;
}

.ad-slot {
  background: var(--ad);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 1.5rem 0;
}

.card-list {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.15s;
}

.card:hover {
  border-color: var(--accent);
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

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

article h1 {
  font-size: 1.85rem;
  line-height: 1.3;
  margin: 0 0 1rem;
}

.disclosure {
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 1.5rem;
}

article h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

article h3 {
  margin-top: 1.25rem;
  font-size: 1.1rem;
}

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

th,
td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
}

th {
  background: var(--surface);
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  margin: 0.5rem 0.5rem 0.5rem 0;
  text-decoration: none !important;
}

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

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

.badge {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1rem;
}