:root {
  --primary: #1e3a8a;
  --secondary: #60a5fa;
  --accent: #2563eb;
  --background: #f8fafc;
  --text: #0f172a;
  --light-text: #64748b;
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
}

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

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header */
header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
}

.logo-icon {
  margin-right: 10px;
}

nav ul {
  display: flex;
  gap: 2rem;
}

nav ul li a {
  font-weight: 500;
  color: var(--text);
}

nav ul li a:hover {
  color: var(--accent);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  color: white;
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.hero span {
  color: var(--secondary);
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Features Section */
.features {
  padding: 5rem 0;
  background-color: white;
}

h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--primary);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card p {
  color: var(--light-text);
}

/* AI Generators Section */
.ai-gen {
  padding: 5rem 0;
  background-color: #f1f5f9;
}

.section-desc {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--light-text);
  font-size: 1.2rem;
}

.resource-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.resource {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.resource h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.resource ul li {
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1.5rem;
}

.resource ul li:before {
  content: "•";
  color: var(--accent);
  font-size: 1.2rem;
  position: absolute;
  left: 0;
}

/* About Section */
.about {
  padding: 5rem 0;
  background-color: white;
  text-align: center;
}

.about p {
  max-width: 800px;
  margin: 0 auto;
  color: var(--light-text);
  font-size: 1.1rem;
}

/* Footer */
footer {
  background-color: var(--primary);
  color: white;
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.footer-logo span {
  font-weight: bold;
  font-size: 1.2rem;
  margin-left: 10px;
}

.footer-links {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
  color: white;
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
  nav ul {
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  header .container {
    flex-direction: column;
  }
  
  .logo {
    margin-bottom: 1rem;
  }
  
  nav ul {
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
}