/* ============================================
   Vira OSGB - Responsive Styles
   ============================================ */

/* ---- Large Screens (1280px+) ---- */
@media (min-width: 1280px) {
    :root {
        --container-padding: 2rem;
    }
}

/* ---- Tablet (768px - 1024px) ---- */
@media (max-width: 1024px) {
    :root {
        --header-height: 75px;
    }

    .site-logo img {
        height: 62px;
    }

    .services-grid,
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.15);
    }

    .stat-item:nth-child(2n) {
        border-right: none;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-8);
    }

    .footer-brand {
        grid-column: 1 / -1;
        padding-right: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-6);
        align-items: start;
    }

    .footer-logo {
        grid-column: 1 / -1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .content-with-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .header-top {
        display: none;
    }

    .hero {
        min-height: 70vh;
    }
}

/* ---- Tablet Portrait / Large Mobile (768px) ---- */
@media (max-width: 768px) {
    :root {
        --spacing-24: 4rem;
        --spacing-20: 3rem;
        --spacing-16: 2.5rem;
    }

    /* Page Hero */
    .page-hero {
        height: 240px;
    }

    .page-hero h1 {
        font-size: 1.5rem;
    }

    /* Hero Slider */
    .hero {
        min-height: 460px;
    }

    .hero-prev,
    .hero-next {
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }

    .hero-prev { left: var(--spacing-3); }
    .hero-next { right: var(--spacing-3); }

    .hero-stats {
        gap: var(--spacing-5);
    }

    .page-hero-subtitle {
        font-size: var(--font-size-sm);
    }

    /* Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: 99;
        padding: var(--spacing-4) var(--spacing-4) var(--spacing-8);
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-link {
        padding: var(--spacing-4);
        font-size: var(--font-size-base);
        border-radius: 0;
        border-bottom: 1px solid var(--color-border-light);
    }

    .nav-cta {
        margin: var(--spacing-4) 0;
        justify-content: center;
        border-radius: var(--radius-md) !important;
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: var(--color-bg-light);
        padding: 0 0 0 var(--spacing-6);
        display: none;
    }

    .nav-item.has-dropdown .nav-link {
        justify-content: space-between;
    }

    .nav-item.has-dropdown.open .dropdown {
        display: block;
    }

    .nav-item.has-dropdown.open .fa-chevron-down {
        transform: rotate(180deg);
    }

    .dropdown li a {
        padding: var(--spacing-3) var(--spacing-4);
        border-bottom: 1px solid var(--color-border-light);
    }

    /* Hero */
    .hero {
        min-height: 60vh;
    }

    .hero-content {
        padding-block: var(--spacing-16);
    }

    .hero-stats {
        gap: var(--spacing-5);
    }

    .hero-stat-number {
        font-size: var(--font-size-2xl);
    }

    /* Grids */
    .services-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-template-columns: 1fr;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-3);
    }

    /* Post List */
    .post-list-item {
        grid-template-columns: 1fr;
    }

    .post-list-image {
        aspect-ratio: 16/9;
    }
}

/* ---- Mobile (480px) ---- */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --spacing-24: 3rem;
        --spacing-20: 2.5rem;
    }

    .page-hero {
        height: 200px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        text-align: center;
        justify-content: center;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-4);
        text-align: center;
    }

    .cta-actions {
        flex-direction: column;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .contact-info-card {
        padding: var(--spacing-6);
    }

    .back-to-top {
        bottom: var(--spacing-5);
        right: var(--spacing-5);
    }

    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
}

/* ---- Print Styles ---- */
@media print {
    .site-header,
    .site-footer,
    .cookie-banner,
    .back-to-top,
    .nav-toggle,
    .breadcrumb {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: black;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .hero,
    .cta-section,
    .stats-section {
        background: white !important;
        color: black !important;
    }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}