/*
Theme Name: Gain Publications
Theme URI: https://gainpublications.com
Author: Gain Publications
Author URI: https://gainpublications.com
Description: A professional WordPress theme for showcasing books and software publications
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gain-publications
*/

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.site-header {
    background: #1a1a1a;
    color: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.site-title {
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
}

.site-description {
    font-size: 14px;
    color: #cccccc;
    margin-top: 5px;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.main-navigation a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.main-navigation a:hover {
    color: #4CAF50;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 20px;
    opacity: 0.9;
}

/* Products Grid */
.products-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a1a1a;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.product-content {
    padding: 25px;
}

.product-title {
    font-size: 24px;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.product-description {
    color: #666;
    margin-bottom: 15px;
}

.product-link {
    display: inline-block;
    background: #667eea;
    color: #ffffff;
    padding: 10px 25px;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
}

.product-link:hover {
    background: #5568d3;
}

/* About Section */
.about-section {
    padding: 60px 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

/* Footer */
.site-footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    color: #ffffff;
}

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

.footer-section a {
    color: #cccccc;
    text-decoration: none;
    line-height: 2;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #999;
}

/* Blog/Posts */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.post-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.post-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 25px;
}

.post-title {
    font-size: 22px;
    margin-bottom: 10px;
}

.post-title a {
    color: #1a1a1a;
    text-decoration: none;
}

.post-title a:hover {
    color: #667eea;
}

.post-meta {
    color: #999;
    font-size: 14px;
    margin-bottom: 15px;
}

.post-excerpt {
    color: #666;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }
    
    .hero-section h1 {
        font-size: 32px;
    }
    
    .products-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}