Changed around line 1
+ :root {
+ --primary: #2d5af0;
+ --secondary: #1d3fa0;
+ --background: #f8f9fd;
+ --text: #2c3e50;
+ --card-bg: #ffffff;
+ --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+ }
+
+ * {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+ }
+
+ body {
+ font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
+ line-height: 1.6;
+ color: var(--text);
+ background: var(--background);
+ }
+
+ /* Header & Navigation */
+ header {
+ background: var(--card-bg);
+ box-shadow: var(--shadow);
+ position: fixed;
+ width: 100%;
+ top: 0;
+ z-index: 1000;
+ }
+
+ nav {
+ max-width: 1200px;
+ margin: 0 auto;
+ padding: 1rem;
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ }
+
+ .logo {
+ font-size: 1.5rem;
+ font-weight: bold;
+ color: var(--primary);
+ }
+
+ .nav-links {
+ display: flex;
+ gap: 2rem;
+ list-style: none;
+ }
+
+ .nav-links a {
+ text-decoration: none;
+ color: var(--text);
+ transition: color 0.3s ease;
+ }
+
+ .nav-links a:hover {
+ color: var(--primary);
+ }
+
+ .mobile-menu {
+ display: none;
+ }
+
+ /* Hero Section */
+ .hero {
+ margin-top: 4rem;
+ padding: 4rem 1rem;
+ text-align: center;
+ background: linear-gradient(135deg, var(--primary), var(--secondary));
+ color: white;
+ }
+
+ .hero h1 {
+ font-size: 2.5rem;
+ margin-bottom: 1rem;
+ }
+
+ .search-container {
+ max-width: 600px;
+ margin: 2rem auto;
+ display: flex;
+ gap: 0.5rem;
+ }
+
+ .search-container input {
+ flex: 1;
+ padding: 0.8rem;
+ border: none;
+ border-radius: 4px;
+ font-size: 1rem;
+ }
+
+ .search-container button {
+ padding: 0.8rem 1.5rem;
+ background: var(--secondary);
+ color: white;
+ border: none;
+ border-radius: 4px;
+ cursor: pointer;
+ transition: background 0.3s ease;
+ }
+
+ /* Dataset Grid */
+ .datasets {
+ padding: 4rem 1rem;
+ max-width: 1200px;
+ margin: 0 auto;
+ }
+
+ .dataset-grid {
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+ gap: 2rem;
+ margin-top: 2rem;
+ }
+
+ .dataset-card {
+ background: var(--card-bg);
+ border-radius: 8px;
+ padding: 1.5rem;
+ box-shadow: var(--shadow);
+ transition: transform 0.3s ease;
+ }
+
+ .dataset-card:hover {
+ transform: translateY(-5px);
+ }
+
+ .dataset-preview {
+ height: 150px;
+ background: linear-gradient(45deg, #e0e6ff, #f0f3ff);
+ border-radius: 4px;
+ margin-bottom: 1rem;
+ }
+
+ /* Upload Section */
+ .upload {
+ padding: 4rem 1rem;
+ background: var(--background);
+ text-align: center;
+ }
+
+ .upload-container {
+ max-width: 600px;
+ margin: 2rem auto;
+ }
+
+ .upload-box {
+ border: 2px dashed var(--primary);
+ padding: 2rem;
+ border-radius: 8px;
+ cursor: pointer;
+ transition: background 0.3s ease;
+ }
+
+ .upload-box:hover {
+ background: rgba(45, 90, 240, 0.05);
+ }
+
+ .upload-icon {
+ font-size: 2rem;
+ margin-bottom: 1rem;
+ display: block;
+ }
+
+ /* Footer */
+ footer {
+ background: var(--card-bg);
+ padding: 4rem 1rem;
+ margin-top: 4rem;
+ }
+
+ .footer-content {
+ max-width: 1200px;
+ margin: 0 auto;
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+ gap: 2rem;
+ }
+
+ .footer-section h3 {
+ color: var(--primary);
+ margin-bottom: 1rem;
+ }
+
+ .footer-section ul {
+ list-style: none;
+ }
+
+ .footer-section a {
+ color: var(--text);
+ text-decoration: none;
+ }
+
+ /* Mobile Responsiveness */
+ @media (max-width: 768px) {
+ .mobile-menu {
+ display: block;
+ background: none;
+ border: none;
+ font-size: 1.5rem;
+ cursor: pointer;
+ }
+
+ .nav-links {
+ display: none;
+ position: absolute;
+ top: 100%;
+ left: 0;
+ right: 0;
+ background: var(--card-bg);
+ padding: 1rem;
+ flex-direction: column;
+ gap: 1rem;
+ }
+
+ .nav-links.active {
+ display: flex;
+ }
+ }