/**
 * Modern News Theme - Responsive Styles
 * Mobile-first responsive design
 */

/* ========================================
   Responsive Navigation
   ======================================== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-md);
        box-shadow: var(--shadow-xl);
        transition: left var(--transition-base);
        z-index: var(--z-modal);
        overflow-y: auto;
    }

    .main-nav.active {
        left: 0;
    }

    .main-nav a {
        padding: var(--spacing-sm);
        width: 100%;
        display: block;
    }

    /* Mobile menu overlay */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
        z-index: calc(var(--z-modal) - 1);
    }

    .menu-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }
}

/* ========================================
   Responsive Hero Slider
   ======================================== */
@media (max-width: 768px) {
    .hero-slider {
        height: 350px;
    }

    .slide-title {
        font-size: var(--font-size-2xl);
    }

    .slide-content {
        padding: var(--spacing-md);
    }

    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-xl);
    }

    .slider-prev {
        left: var(--spacing-sm);
    }

    .slider-next {
        right: var(--spacing-sm);
    }

    .slider-thumbs {
        display: none;
        /* Hide thumbnails on mobile */
    }
}

/* ========================================
   Responsive News Grid
   ======================================== */
@media (max-width: 640px) {
    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Responsive Article Page
   ======================================== */
@media (max-width: 768px) {
    .article-title {
        font-size: var(--font-size-2xl);
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .meta-separator {
        display: none;
    }

    .share-buttons {
        overflow-x: auto;
    }

    .share-links {
        justify-content: flex-start;
        gap: var(--spacing-sm);
    }
}

/* ========================================
   Responsive Footer
   ======================================== */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ========================================
   Responsive Typography
   ======================================== */
@media (max-width: 640px) {
    :root {
        --font-size-4xl: 1.875rem;
        /* 30px */
        --font-size-3xl: 1.5rem;
        /* 24px */
        --font-size-2xl: 1.25rem;
        /* 20px */
    }

    html {
        font-size: 14px;
    }
}

/* ========================================
   Container Responsiveness
   ======================================== */
@media (max-width: 640px) {
    :root {
        --container-padding: var(--spacing-sm);
    }
}

@media (min-width: 1400px) {
    :root {
        --container-width: 1320px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {

    .site-header,
    .hero-slider,
    .site-footer,
    .share-buttons,
    .pagination {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .article-title {
        font-size: 20pt;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}