:root {
  --bg: #0f1115;
  --panel: #161a22;
  --text: #e6e6e6;
  --muted: #9aa0a6;
  --accent: #5da9ff;
  --border: #222633;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

header .container {
  max-width: 1000px;
  margin: auto;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  margin-left: 20px;
  font-weight: 500;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 30px 20px;
}

h1, h2, h3 {
  line-height: 1.3;
}

h1 {
  font-size: 2.2rem;
}

h2 {
  margin-top: 40px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-top: 20px;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
}

.card h3 {
  margin-top: 0;
}

.button {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 14px;
  background: var(--accent);
  color: #000;
  border-radius: 4px;
  font-weight: 600;
}

.button:hover {
  filter: brightness(1.1);
  text-decoration: none;
}

img {
  max-width: 100%;
  border-radius: 6px;
}

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 30px 20px;
  margin-top: 60px;
  text-align: center;
  font-size: 0.9rem;
}