:root {
  --primary-color: #ff3366;
  --bg-color: #121212;
  --secondary-bg: #1e1e1e;
  --text-color: #f0f0f0;
  --text-muted: #aaaaaa;
  --border-color: #333333;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--primary-color);
}

/* Header & Navigation */
header {
  background-color: var(--secondary-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border: none;
}

.btn-primary:hover {
  background-color: #e62e5c;
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(to bottom, var(--secondary-bg), var(--bg-color));
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--primary-color);
  display: inline-block;
  padding-bottom: 0.5rem;
}

/* Grids */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

/* Model Card */
.model-card {
  background-color: var(--secondary-bg);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s;
  border: 1px solid var(--border-color);
}

.model-card:hover {
  transform: translateY(-5px);
}

.model-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.model-info {
  padding: 1rem;
}

.model-name {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

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

.tag {
  background-color: var(--bg-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Content Blocks (for SEO text) */
.content-block {
  background-color: var(--secondary-bg);
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.content-block h2, .content-block h3 {
  color: var(--primary-color);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.content-block h2:first-child {
  margin-top: 0;
}

.content-block p {
  margin-bottom: 1rem;
}

.content-block ul {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background-color: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: 4rem 1rem 2rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-actions {
    display: none;
  }

  .nav-actions-mobile {
    display: flex !important;
    flex-direction: column;
    gap: 1rem;
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-color);
  }

  .nav-links {
    display: none; /* Mobile menu logic goes here via JS if needed */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--secondary-bg);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
}