:root {
  --bg-color: #0a0a0f;
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --accent-primary: #8b5cf6; /* Violet */
  --accent-secondary: #3b82f6; /* Blue */
  --accent-glow: rgba(139, 92, 246, 0.15);
  --font-main: "Inter", sans-serif;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Gradient Animation */
.background-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(
      circle at 15% 50%,
      rgba(76, 29, 149, 0.15),
      transparent 25%
    ),
    radial-gradient(circle at 85% 30%, rgba(37, 99, 235, 0.15), transparent 25%);
  z-index: -1;
  pointer-events: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  padding: 4rem 0 2rem;
  text-align: center;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(
    to right,
    var(--accent-primary),
    var(--accent-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 3rem;
  display: inline-block;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  background: linear-gradient(to bottom, #fff, #ccc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .subtitle {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Grid Layout */
.llm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  padding: 4rem 0;
}

.llm-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Cards */
.llm-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.llm-card:hover {
  transform: translateY(-5px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 10px 40px -10px var(--accent-glow);
}

.llm-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    800px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 255, 255, 0.06),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.llm-card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rank {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-secondary);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
}

.llm-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  flex-grow: 1;
  margin-left: 1rem;
}

.badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags span {
  font-size: 0.75rem;
  color: #d1d5db;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Footer */
footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--card-border);
  margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .llm-grid {
    grid-template-columns: 1fr;
  }
}

/* Detail Page Styles */
.detail-page {
  padding-top: 2rem;
}

.back-link {
  display: inline-block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 2rem;
  font-weight: 600;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--accent-primary);
  transform: translateX(-5px);
}

.hero-detail {
  margin-bottom: 4rem;
  text-align: left;
}

.hero-detail h1 {
  font-size: 3rem;
  margin: 1rem 0;
  background: linear-gradient(to right, #fff, #ccc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.content-grid {
  display: grid;
  gap: 3rem;
}

.info-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.info-card h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--accent-secondary);
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.specs-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.specs-list li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.specs-list strong {
  color: var(--text-primary);
  margin-right: 0.5rem;
}

.summary {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Code Block */
.code-block {
  background: #1e1e24;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  font-family: 'Fira Code', monospace;
}

.code-header {
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--card-border);
}

.code-block pre {
  padding: 1.5rem;
  overflow-x: auto;
  color: #e2e8f0;
  font-size: 0.9rem;
}

.code-block code {
  font-family: inherit;
}

/* Usage Grid */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.usage-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
}

.usage-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.usage-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}