:root {
  --bg-color: #0d0d0d;
  --card-bg: #1a1a1a;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0a0;
  --accent: #3dd5b9;
  --accent-glow: rgba(61, 213, 185, 0.2);
  --border-color: #2a2a2a;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  line-height: 1.6;
}

header {
  text-align: left;
  padding: 60px 20px;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border-color);
}

header h1 {
  margin: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -1px;
  text-transform: lowercase;
}

header h2 {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.container {
  width: 100%;
  max-width: 900px;
  padding: 40px 20px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 30px;
  opacity: 0.8;
  display: flex;
  align-items: center;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-color);
  margin-left: 20px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--border-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.item {
  background-color: var(--bg-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
}

.item:hover {
  background-color: #141414;
}

.item h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.item p {
  color: var(--text-secondary);
  margin: 0 0 16px;
  font-size: 0.95rem;
  max-width: 600px;
}

.item .link-group {
  display: flex;
  gap: 16px;
  margin-top: auto;
}

.button-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: opacity 0.2s ease;
}

.button-link:hover {
  opacity: 0.7;
}

.button-link::before {
  content: "→";
  margin-right: 8px;
}

footer {
  text-align: center;
  padding: 60px 20px;
  margin-top: auto;
  width: 100%;
  max-width: 900px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

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

@media (min-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
}