/*!
OHA Responsive CSS
Mobile-first responsive design for the OHA theme
Breakpoints: 480px (mobile landscape), 768px (tablet), 1024px (desktop)
*/

/*--------------------------------------------------------------
# Mobile First - Base Styles (up to 479px)
--------------------------------------------------------------*/

/* Header - Mobile */
.header-contact-info {
    display: none;
}

.menu-toggle {
    display: block;
}

.main-navigation ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--oha-primary-green);
    box-shadow: var(--oha-shadow-lg);
    z-index: 999;
}

.main-navigation.toggled ul {
    display: flex;
}

.main-navigation ul ul {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(0, 0, 0, 0.1);
    min-width: auto;
}

/* Layout - Mobile */
.single-post-layout,
.archive-layout,
.page-layout,
.search-layout {
    grid-template-columns: 1fr;
    gap: var(--oha-spacing-lg);
}

.single-post-sidebar,
.archive-sidebar,
.page-sidebar,
.search-sidebar {
    position: static;
    margin-top: var(--oha-spacing-lg);
}

/* Hero Section - Mobile */
.hero-title {
    font-size: 2rem;
}

.hero-subtitle {
    font-size: 1.1rem;
}

.hero-cta {
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.oha-btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
}

/* Section Headers - Mobile */
.oha-section-title {
    font-size: 1.8rem;
}

.oha-page-title {
    font-size: 1.8rem;
}

/* News Grid - Mobile */
.news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
}

/* Video Grid - Mobile */
.video-grid {
    grid-template-columns: 1fr;
    gap: 20px;
}

/* Sponsors Grid - Mobile */
.sponsors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* Footer - Mobile */
.footer-widgets {
    grid-template-columns: 1fr;
    gap: var(--oha-spacing-lg);
}

.footer-menu {
    flex-direction: column;
    text-align: center;
    gap: 15px;
}

.footer-social {
    gap: 15px;
}

.social-icon {
    width: 35px;
    height: 35px;
    line-height: 35px;
    font-size: 16px;
}

/* Post Cards - Mobile */
.post-card-image {
    height: 180px;
}

.post-card-content {
    padding: var(--oha-spacing-md);
}

.entry-meta {
    flex-direction: column;
    gap: 10px;
}

.entry-title {
    font-size: 1.2rem;
}

/* Author Info - Mobile */
.author-info {
    flex-direction: column;
    text-align: center;
    gap: 15px;
}

.author-details {
    text-align: center;
}

/* Taxonomies - Mobile */
.entry-taxonomies {
    flex-direction: column;
    gap: var(--oha-spacing-sm);
}

/* Post Navigation - Mobile */
.post-navigation {
    grid-template-columns: 1fr;
    gap: var(--oha-spacing-sm);
}

.nav-links a {
    padding: var(--oha-spacing-md);
}

/* Archive Info - Mobile */
.archive-info {
    text-align: center;
}

/* 404 Page - Mobile */
.error-404-grid {
    grid-template-columns: 1fr;
    gap: var(--oha-spacing-lg);
}

.error-404-nav {
    gap: 10px;
}

.error-404-icon {
    font-size: 3.5rem;
}

.error-404-title {
    font-size: 1.5rem;
}

/* Search - Mobile */
.search-form-section {
    padding: var(--oha-spacing-md);
}

/* Back to Top - Mobile */
.back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 16px;
}

/* Contact Page - Mobile */
.contact-info-grid {
    grid-template-columns: 1fr;
    gap: var(--oha-spacing-lg);
}

.contact-form-container {
    padding: var(--oha-spacing-lg);
}

.form-row {
    grid-template-columns: 1fr;
    gap: var(--oha-spacing-md);
}

.contact-item {
    padding: var(--oha-spacing-sm);
}

.contact-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.contact-details h2,
.contact-form-container h2 {
    font-size: 1.5rem;
}

.map-placeholder {
    height: 250px;
}

.map-placeholder-content {
    padding: var(--oha-spacing-md);
}

.map-placeholder-content i {
    font-size: 2rem;
}

.map-placeholder-content h3 {
    font-size: 1.2rem;
}

.contact-social .social-links {
    justify-content: center;
}

/*--------------------------------------------------------------
# Mobile Landscape - 480px and up
--------------------------------------------------------------*/
@media (min-width: 480px) {
    
    /* Hero Section */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }
    
    .oha-btn {
        width: auto;
    }
    
    /* Section Headers */
    .oha-section-title {
        font-size: 2rem;
    }
    
    .oha-page-title {
        font-size: 2rem;
    }
    
    /* News Grid */
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Video Grid */
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Sponsors Grid */
    .sponsors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Footer */
    .footer-menu {
        flex-direction: row;
        justify-content: center;
    }
    
    /* Post Cards */
    .post-card-image {
        height: 200px;
    }
    
    .entry-meta {
        flex-direction: row;
        gap: 20px;
    }
    
    /* 404 Page */
    .error-404-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .error-404-icon {
        font-size: 4rem;
    }
    
    .error-404-title {
        font-size: 1.8rem;
    }
    
    /* Contact Form */
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-item {
        padding: var(--oha-spacing-md);
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .map-placeholder {
        height: 300px;
    }
    
    .map-placeholder-content i {
        font-size: 2.5rem;
    }
    
    .map-placeholder-content h3 {
        font-size: 1.3rem;
    }
}

/*--------------------------------------------------------------
# Tablet - 768px and up
--------------------------------------------------------------*/
@media (min-width: 768px) {
    
    /* Header */
    .header-contact-info {
        display: flex;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .main-navigation ul {
        display: flex;
        flex-direction: row;
        position: static;
        width: auto;
        background: none;
        box-shadow: none;
    }
    
    .main-navigation ul ul {
        position: absolute;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        background-color: var(--oha-white);
        box-shadow: var(--oha-shadow-lg);
        min-width: 220px;
        flex-direction: column;
    }
    
    /* Layout */
    .single-post-layout,
    .archive-layout,
    .page-layout,
    .search-layout {
        grid-template-columns: 1fr 280px;
        gap: var(--oha-spacing-xl);
    }
    
    .single-post-sidebar,
    .archive-sidebar,
    .page-sidebar,
    .search-sidebar {
        position: sticky;
        top: 100px;
        margin-top: 0;
    }
    
    /* Hero Section */
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    /* Section Headers */
    .oha-section-title {
        font-size: 2.3rem;
    }
    
    .oha-page-title {
        font-size: 2.3rem;
    }
    
    /* News Grid */
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    /* Video Grid */
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    /* Sponsors Grid */
    .sponsors-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
    
    /* Footer */
    .footer-widgets {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--oha-spacing-xl);
    }
    
    /* Post Cards */
    .entry-title {
        font-size: 1.4rem;
    }
    
    /* Author Info */
    .author-info {
        flex-direction: row;
        text-align: left;
        gap: 20px;
    }
    
    .author-details {
        text-align: left;
    }
    
    /* Taxonomies */
    .entry-taxonomies {
        flex-direction: row;
        gap: var(--oha-spacing-md);
    }
    
    /* Post Navigation */
    .post-navigation {
        grid-template-columns: 1fr 1fr;
        gap: var(--oha-spacing-md);
    }
    
    /* 404 Page */
    .error-404-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--oha-spacing-xl);
    }
    
    .error-404-icon {
        font-size: 4.5rem;
    }
    
    .error-404-title {
        font-size: 1.9rem;
    }
    
    /* Contact Page Layout */
    .contact-info-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--oha-spacing-xl);
    }
    
    .contact-form-container {
        padding: var(--oha-spacing-xl);
    }
    
    .contact-details h2,
    .contact-form-container h2 {
        font-size: 1.8rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .map-placeholder {
        height: 350px;
    }
    
    .map-placeholder-content i {
        font-size: 3rem;
    }
    
    .map-placeholder-content h3 {
        font-size: 1.5rem;
    }
    
    .contact-social .social-links {
        justify-content: flex-start;
    }
}

/*--------------------------------------------------------------
# Desktop - 1024px and up
--------------------------------------------------------------*/
@media (min-width: 1024px) {
    
    /* Layout */
    .single-post-layout,
    .archive-layout,
    .page-layout,
    .search-layout {
        grid-template-columns: 1fr 300px;
    }
    
    /* Hero Section */
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    /* Section Headers */
    .oha-section-title {
        font-size: 2.5rem;
    }
    
    .oha-page-title {
        font-size: 2.5rem;
    }
    
    /* News Grid */
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    /* Video Grid */
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    /* Sponsors Grid */
    .sponsors-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 30px;
    }
    
    /* Footer */
    .footer-widgets {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Post Cards */
    .entry-title {
        font-size: 1.5rem;
    }
    
    /* 404 Page */
    .error-404-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .error-404-icon {
        font-size: 5rem;
    }
    
    .error-404-title {
        font-size: 2rem;
    }
    
    .map-placeholder {
        height: 400px;
    }
    
    .contact-details h2,
    .contact-form-container h2 {
        font-size: 2rem;
    }
}

/*--------------------------------------------------------------
# Large Desktop - 1200px and up
--------------------------------------------------------------*/
@media (min-width: 1200px) {
    
    /* News Grid */
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
    
    /* Video Grid */
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
    
    /* Sponsors Grid */
    .sponsors-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 35px;
    }
}

/*--------------------------------------------------------------
# Print Styles
--------------------------------------------------------------*/
@media print {
    
    /* Hide non-essential elements */
    .header-nav-section,
    .site-footer,
    .back-to-top,
    .error-404-nav,
    .search-form-section,
    .entry-readmore,
    .post-navigation,
    .archive-pagination,
    .search-pagination {
        display: none !important;
    }
    
    /* Ensure good print layout */
    .single-post-layout,
    .archive-layout,
    .page-layout {
        grid-template-columns: 1fr;
    }
    
    .oha-post-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    /* Optimize colors for print */
    .oha-page-header {
        background: #fff !important;
        color: #000 !important;
        border-bottom: 2px solid #000;
    }
    
    .oha-page-title {
        color: #000 !important;
        text-shadow: none !important;
    }
    
    /* Ensure links are visible */
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
    
    a[href^="#"]:after,
    a[href^="javascript:"]:after {
        content: "";
    }
}

/*--------------------------------------------------------------
# High DPI / Retina Display Support
--------------------------------------------------------------*/
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    
    /* Ensure crisp rendering on high DPI displays */
    .custom-logo,
    .sponsor-logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/*--------------------------------------------------------------
# Accessibility and Reduced Motion
--------------------------------------------------------------*/
@media (prefers-reduced-motion: reduce) {
    
    /* Disable animations for users who prefer reduced motion */
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .oha-hero-slider {
        /* Disable any slider auto-advance */
    }
}

/*--------------------------------------------------------------
# Focus and Keyboard Navigation Support
--------------------------------------------------------------*/
@media (prefers-reduced-motion: no-preference) {
    
    /* Enhanced focus indicators for keyboard navigation */
    a:focus,
    button:focus,
    input:focus,
    textarea:focus,
    select:focus {
        outline: 3px solid var(--oha-primary-green);
        outline-offset: 2px;
    }
    
    .menu-toggle:focus,
    .main-navigation a:focus {
        outline-color: var(--oha-white);
    }
}

/*--------------------------------------------------------------
# Dark Mode Support (if browser supports)
--------------------------------------------------------------*/
@media (prefers-color-scheme: dark) {
    
    /* Optional: Implement dark mode if desired
    :root {
        --oha-white: #1a1a1a;
        --oha-black: #ffffff;
        --oha-dark-gray: #e0e0e0;
        --oha-light-gray: #404040;
    }
    */
}