Changed around line 1
+ :root {
+ --primary-color: #2c3e50;
+ --accent-color: #e74c3c;
+ --text-color: #333;
+ --light-bg: #f9f9f9;
+ --transition: all 0.3s ease;
+ }
+
+ * {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+ }
+
+ body {
+ font-family: 'Segoe UI', system-ui, sans-serif;
+ line-height: 1.6;
+ color: var(--text-color);
+ }
+
+ nav {
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ padding: 1.5rem 5%;
+ background: white;
+ box-shadow: 0 2px 10px rgba(0,0,0,0.1);
+ position: fixed;
+ width: 100%;
+ z-index: 1000;
+ }
+
+ .logo {
+ font-size: 1.5rem;
+ font-weight: bold;
+ color: var(--primary-color);
+ text-decoration: none;
+ }
+
+ .nav-links a {
+ margin-left: 2rem;
+ text-decoration: none;
+ color: var(--text-color);
+ transition: var(--transition);
+ }
+
+ .nav-links a:hover {
+ color: var(--accent-color);
+ }
+
+ .hero {
+ display: grid;
+ grid-template-columns: 1fr 1fr;
+ min-height: 100vh;
+ padding: 8rem 5%;
+ background: linear-gradient(135deg, #f6f8fa 0%, #ffffff 100%);
+ }
+
+ .hero-content {
+ display: flex;
+ flex-direction: column;
+ justify-content: center;
+ gap: 2rem;
+ }
+
+ h1 {
+ font-size: 3.5rem;
+ color: var(--primary-color);
+ line-height: 1.2;
+ }
+
+ .cta-button {
+ padding: 1rem 2rem;
+ font-size: 1.1rem;
+ background: var(--accent-color);
+ color: white;
+ border: none;
+ border-radius: 5px;
+ cursor: pointer;
+ transition: var(--transition);
+ width: fit-content;
+ }
+
+ .cta-button:hover {
+ transform: translateY(-2px);
+ box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
+ }
+
+ .book-image {
+ max-width: 100%;
+ height: auto;
+ box-shadow: 20px 20px 60px rgba(0,0,0,0.1);
+ border-radius: 10px;
+ transform: perspective(1000px) rotateY(-15deg);
+ transition: var(--transition);
+ }
+
+ .book-image:hover {
+ transform: perspective(1000px) rotateY(-5deg);
+ }
+
+ .features {
+ padding: 5rem 5%;
+ background: var(--light-bg);
+ }
+
+ .feature-grid {
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+ gap: 2rem;
+ margin-top: 3rem;
+ }
+
+ .feature {
+ padding: 2rem;
+ background: white;
+ border-radius: 10px;
+ box-shadow: 0 5px 15px rgba(0,0,0,0.05);
+ transition: var(--transition);
+ }
+
+ .feature:hover {
+ transform: translateY(-5px);
+ }
+
+ .author {
+ padding: 5rem 5%;
+ }
+
+ .author-content {
+ display: grid;
+ grid-template-columns: 300px 1fr;
+ gap: 3rem;
+ align-items: center;
+ }
+
+ .author-image {
+ width: 100%;
+ border-radius: 50%;
+ }
+
+ .preview {
+ padding: 5rem 5%;
+ background: var(--primary-color);
+ color: white;
+ text-align: center;
+ }
+
+ .preview-text {
+ font-size: 1.5rem;
+ font-style: italic;
+ margin: 2rem 0;
+ }
+
+ .preview-button {
+ padding: 1rem 2rem;
+ background: white;
+ color: var(--primary-color);
+ border: none;
+ border-radius: 5px;
+ cursor: pointer;
+ transition: var(--transition);
+ }
+
+ footer {
+ padding: 2rem 5%;
+ background: var(--light-bg);
+ text-align: center;
+ }
+
+ .footer-links a {
+ margin: 0 1rem;
+ color: var(--text-color);
+ text-decoration: none;
+ }
+
+ @media (max-width: 768px) {
+ .hero {
+ grid-template-columns: 1fr;
+ text-align: center;
+ }
+
+ .hero-content {
+ align-items: center;
+ }
+
+ .book-image {
+ margin-top: 2rem;
+ }
+
+ .author-content {
+ grid-template-columns: 1fr;
+ text-align: center;
+ }
+
+ .author-image {
+ max-width: 200px;
+ margin: 0 auto;
+ }
+
+ .nav-links {
+ display: none;
+ }
+ }