/* ===================================
   Blog Page Styles
   Professional blog layout
   =================================== */

/* === Page Hero === */
.blog-hero {
    padding: calc(44px + var(--spacing-4xl)) var(--spacing-lg) var(--spacing-3xl);
    background: linear-gradient(to bottom, #FFFFFF 0%, #F5F5F7 100%);
    text-align: center;
}

/* === Blog Section === */
.blog-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-primary);
}

/* === Featured Article === */
.blog-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-4xl);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.blog-featured:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.blog-featured .blog-image {
    aspect-ratio: 16 / 10;
    background-color: var(--color-bg-tertiary);
}

.blog-featured .blog-content {
    padding: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    line-height: 1.2;
}

.blog-featured p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* === Blog Grid === */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
}

/* === Blog Card === */
.blog-card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* === Blog Image === */
.blog-image {
    position: relative;
    width: 100%;
    background-color: var(--color-bg-tertiary);
    overflow: hidden;
}

.blog-card .blog-image {
    aspect-ratio: 16 / 9;
}

.blog-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
}

.blog-placeholder svg {
    width: 64px;
    height: 64px;
    color: var(--color-text-tertiary);
    opacity: 0.3;
}

/* === Blog Content === */
.blog-content {
    padding: var(--spacing-xl);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.blog-category {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background-color: rgba(0, 102, 204, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.blog-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.blog-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    line-height: 1.3;
}

.blog-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    flex-grow: 1;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
    margin-top: auto;
}

.blog-link:hover {
    transform: translateX(5px);
}

/* === Newsletter Section === */
.newsletter-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-size: var(--font-size-base);
    border: none;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.3);
}

.newsletter-form button {
    white-space: nowrap;
}

/* === Responsive Adjustments === */

/* Tablets */
@media (max-width: 768px) {
    .blog-hero {
        padding: calc(44px + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
    }
    
    .blog-featured {
        grid-template-columns: 1fr;
    }
    
    .blog-featured .blog-content {
        padding: var(--spacing-2xl);
    }
    
    .blog-featured h2 {
        font-size: var(--font-size-3xl);
    }
    
    .blog-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-xl);
    }
    
    .newsletter-content h2 {
        font-size: var(--font-size-3xl);
    }
}

/* Mobile */
@media (max-width: 480px) {
    .page-title {
        font-size: var(--font-size-3xl);
    }
    
    .page-subtitle {
        font-size: var(--font-size-base);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-featured h2 {
        font-size: var(--font-size-2xl);
    }
    
    .blog-featured p {
        font-size: var(--font-size-base);
    }
    
    .blog-content {
        padding: var(--spacing-lg);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form button {
        width: 100%;
    }
    
    .newsletter-content h2 {
        font-size: var(--font-size-2xl);
    }
    
    .newsletter-content p {
        font-size: var(--font-size-base);
    }
}

/* === Print Styles === */
@media print {
    .navbar,
    .newsletter-section,
    .footer {
        display: none;
    }
    
    .blog-card,
    .blog-featured {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}