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

:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --accent-color: #0066cc;
    --border-color: #e1e4e8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    padding: 60px 0 40px;
    text-align: center;
}

.logo-container {
    display: inline-block;
    animation: fadeInDown 0.6s ease-out;
}

.logo {
    max-width: 280px;
    height: auto;
    display: block;
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.blogs-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.blogs-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Blog Card */
.blog-card {
    position: relative;
    display: block;
    padding: 32px;
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0) 100%);
    opacity: 0;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.blog-card:hover::before {
    opacity: 1;
}

.blog-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--accent-color);
    transition: var(--transition);
    overflow: hidden;
}

.blog-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.blog-card:hover .blog-icon {
    transform: scale(1.1);
}

.blog-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    transition: var(--transition);
}

.blog-card:hover .blog-title {
    color: var(--accent-color);
}

.blog-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.blog-link-arrow {
    position: absolute;
    bottom: 24px;
    right: 24px;
    font-size: 24px;
    color: var(--accent-color);
    transition: var(--transition);
    opacity: 0;
}

.blog-card:hover .blog-link-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        padding: 40px 0 20px;
    }
    
    .logo {
        max-width: 220px;
    }
    
    .blogs-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-card {
        padding: 24px;
    }
    
    .blog-title {
        font-size: 20px;
    }
    
    .blog-description {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .logo {
        max-width: 180px;
    }
    
    .blog-card {
        padding: 20px;
    }
}

/* Print Styles */
@media print {
    .blog-card {
        page-break-inside: avoid;
    }
}