Changed around line 1
+ :root {
+ --primary-color: #2c3e50;
+ --accent-color: #3498db;
+ --background-color: #f9fafb;
+ --card-background: #ffffff;
+ --text-color: #2c3e50;
+ --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+ }
+
+ * {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+ }
+
+ body {
+ font-family: 'Inter', system-ui, -apple-system, sans-serif;
+ line-height: 1.6;
+ color: var(--text-color);
+ background-color: var(--background-color);
+ }
+
+ .hero {
+ background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
+ padding: 2rem;
+ color: white;
+ }
+
+ nav {
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ max-width: 1200px;
+ margin: 0 auto;
+ }
+
+ .logo {
+ font-size: 1.5rem;
+ font-weight: bold;
+ letter-spacing: -0.5px;
+ }
+
+ .nav-links {
+ display: flex;
+ gap: 2rem;
+ }
+
+ .nav-links a {
+ color: white;
+ text-decoration: none;
+ transition: opacity 0.2s;
+ }
+
+ .nav-links a:hover {
+ opacity: 0.8;
+ }
+
+ .search-container {
+ max-width: 800px;
+ margin: 2rem auto;
+ display: flex;
+ gap: 1rem;
+ }
+
+ input, select {
+ padding: 0.8rem;
+ border: 2px solid #e2e8f0;
+ border-radius: 8px;
+ font-size: 1rem;
+ }
+
+ input {
+ flex: 1;
+ }
+
+ .pdf-grid {
+ display: grid;
+ grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+ gap: 2rem;
+ padding: 2rem;
+ max-width: 1400px;
+ margin: 0 auto;
+ }
+
+ .pdf-card {
+ background: var(--card-background);
+ border-radius: 12px;
+ overflow: hidden;
+ box-shadow: var(--shadow);
+ transition: transform 0.2s;
+ }
+
+ .pdf-card:hover {
+ transform: translateY(-4px);
+ }
+
+ .pdf-thumbnail {
+ width: 100%;
+ height: 200px;
+ object-fit: cover;
+ }
+
+ .pdf-card h3 {
+ padding: 1rem;
+ font-size: 1.1rem;
+ }
+
+ .pdf-meta {
+ padding: 0 1rem;
+ display: flex;
+ gap: 1rem;
+ margin-bottom: 1rem;
+ }
+
+ .tag {
+ background: #e2e8f0;
+ padding: 0.2rem 0.6rem;
+ border-radius: 20px;
+ font-size: 0.8rem;
+ }
+
+ .download-btn {
+ display: block;
+ background: var(--accent-color);
+ color: white;
+ text-decoration: none;
+ padding: 0.8rem;
+ text-align: center;
+ transition: background-color 0.2s;
+ }
+
+ .download-btn:hover {
+ background-color: #2980b9;
+ }
+
+ footer {
+ background: var(--primary-color);
+ color: white;
+ padding: 2rem;
+ margin-top: 4rem;
+ }
+
+ .footer-content {
+ max-width: 1200px;
+ margin: 0 auto;
+ text-align: center;
+ }
+
+ @media (max-width: 768px) {
+ .nav-links {
+ gap: 1rem;
+ }
+
+ .pdf-grid {
+ grid-template-columns: 1fr;
+ padding: 1rem;
+ }
+
+ .search-container {
+ flex-direction: column;
+ padding: 0 1rem;
+ }
+ }