/* ========================================
   CULTURAL HERITAGE MAGAZINE THEME
   Cultures & Patrimoines
   ======================================== */

/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Color Palette - Extracted from Logo */
    --primary-blue: #1E3A5F;
    --secondary-blue: #2D4A87;
    --accent-gold: #C4975A;
    --accent-purple: #8B4A8B;
    --text-primary: #2C2C2C;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --background: #FFFFFF;
    --surface: #F8FAFC;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Source Sans Pro', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Containers */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1400px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.25;
    margin-bottom: var(--space-md);
    font-weight: 600;
    color: var(--primary-blue);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-md);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    margin-bottom: var(--space-sm);
}

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--secondary-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-gold);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== CONTAINERS ===== */
.content-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== HEADER & NAVIGATION ===== */
.site-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.main-nav {
    padding: var(--space-md) 0;
}

.nav-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand img {
    height: 72px;
    width: auto;
    filter: brightness(1.1);
    transition: var(--transition-fast);
}

.nav-brand img:hover {
    filter: brightness(1.2);
}

.nav-menu {
    display: none;
}

.menu-list {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    margin: 0;
    padding: 0;
}

.menu-link {
    color: white;
    font-weight: 500;
    font-size: 1.1rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
}

.menu-link:hover {
    color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.1);
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
    transform: translateX(-50%);
}

.menu-link:hover::after {
    width: 80%;
}

/* Mobile Menu */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 102;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 95, 0.95);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 101;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu-item {
    margin-bottom: var(--space-lg);
}

.mobile-menu-link {
    color: white;
    font-size: 1.5rem;
    font-weight: 500;
    padding: var(--space-sm);
    display: inline-block;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.mobile-menu-link:hover {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}

body.menu-open {
    overflow: hidden;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--surface) 0%, white 100%);
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: -50px;
    width: 200px;
    height: 100%;
    background: linear-gradient(45deg, rgba(196, 151, 90, 0.1) 0%, rgba(45, 74, 135, 0.1) 100%);
    transform: skewX(-15deg);
}

.hero-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero-title {
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

.hero-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

/* ===== INTRO SECTION ===== */
.intro-section {
    padding: var(--space-2xl) 0;
    background: white;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ===== SHOWCASE SECTION ===== */
.showcase-section {
    padding: var(--space-3xl) 0;
    background: var(--surface);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    position: relative;
    display: inline-block;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold) 0%, var(--accent-purple) 100%);
    margin: var(--space-md) auto 0;
    border-radius: 2px;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

/* ===== POST CARDS ===== */
.post-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    position: relative;
    overflow: hidden;
    height: 240px;
}

.card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.post-card:hover .card-thumb {
    transform: scale(1.05);
}

.card-category {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--secondary-blue);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.category-link {
    color: white;
}

.category-link:hover {
    color: var(--accent-gold);
}

.card-content {
    padding: var(--space-lg);
}

.card-header {
    margin-bottom: var(--space-md);
}

.card-title {
    margin-bottom: var(--space-sm);
}

.card-title a {
    color: var(--primary-blue);
    transition: var(--transition);
}

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

.card-date {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 400;
}

.card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.read-more {
    color: var(--secondary-blue);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) 0;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--accent-gold);
}

.read-more i {
    transition: var(--transition);
}

.read-more:hover i {
    transform: translateX(4px);
}

/* ===== HIGHLIGHTS SECTION ===== */
.highlights-section {
    padding: var(--space-3xl) 0;
    background: white;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.highlight-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--surface);
    border-radius: 12px;
    transition: var(--transition);
}

.highlight-card:hover {
    background: white;
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-purple) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.highlight-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
}

.highlight-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* ===== POST ARTICLE STYLES ===== */
.breadcrumb-container {
    background: var(--surface);
    padding: var(--space-md) 0;
}

.post-article {
    background: white;
}

.post-header {
    padding: var(--space-2xl) 0 var(--space-lg);
    text-align: center;
    background: var(--surface);
}

.post-meta-top {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.post-category {
    background: var(--secondary-blue);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
}

.post-category:hover {
    background: var(--accent-gold);
    color: white;
}

.post-date {
    color: var(--text-secondary);
    font-weight: 500;
}

.post-title {
    max-width: 800px;
    margin: 0 auto var(--space-lg);
    text-align: center;
}

.post-meta-bottom {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
}

.post-reading-time {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.post-featured-image {
    margin: var(--space-lg) 0;
}

.post-thumbnail {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 12px;
}

.post-content-wrapper {
    padding: var(--space-2xl) 0;
}

.post-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

.post-main {
    max-width: 800px;
    margin: 0 auto;
}

.post-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.post-body h2,
.post-body h3,
.post-body h4 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.post-body p {
    margin-bottom: var(--space-lg);
}

.post-body blockquote {
    border-left: 4px solid var(--accent-gold);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--surface);
    padding: var(--space-lg);
    border-radius: 0 8px 8px 0;
}

.post-author {
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background: var(--surface);
    border-radius: 12px;
    border-left: 4px solid var(--accent-gold);
}

.post-taxonomy {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.post-tags {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.tags-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.post-tag {
    background: var(--surface);
    color: var(--secondary-blue);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 16px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.post-tag:hover {
    background: var(--secondary-blue);
    color: white;
}

/* ===== SIDEBAR ===== */
.post-sidebar {
    display: none;
}

.share-widget,
.newsletter-widget {
    background: var(--surface);
    padding: var(--space-lg);
    border-radius: 12px;
    margin-bottom: var(--space-lg);
}

.share-widget h4,
.newsletter-widget h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
}

.share-buttons {
    display: flex;
    gap: var(--space-sm);
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.share-btn.facebook { background: #1877f2; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.email { background: var(--secondary-blue); }

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== RELATED ARTICLES ===== */
.related-articles {
    padding: var(--space-2xl) 0;
    background: var(--surface);
}

.related-title {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--primary-blue);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

/* ===== ARCHIVE PAGES ===== */
.archive-header {
    padding: var(--space-2xl) 0;
    text-align: center;
    background: var(--surface);
}

.archive-title {
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
}

.archive-description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.articles-section {
    padding: var(--space-2xl) 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

/* ===== PAGINATION ===== */
.pagination-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.pagination-link {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--secondary-blue);
    font-weight: 500;
    transition: var(--transition);
}

.pagination-link:hover {
    background: var(--secondary-blue);
    color: white;
    border-color: var(--secondary-blue);
}

.pagination-current {
    background: var(--secondary-blue);
    color: white;
    border-color: var(--secondary-blue);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--primary-blue);
    color: white;
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand h3 {
    color: white;
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-gold);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4,
.footer-newsletter h4 {
    color: white;
    margin-bottom: var(--space-md);
}

.footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-menu-item {
    margin-bottom: var(--space-sm);
}

.footer-menu-link {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-menu-link:hover {
    color: var(--accent-gold);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-sm);
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-md);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-meta {
    display: flex;
    gap: var(--space-lg);
}

.footer-meta a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-meta a:hover {
    color: var(--accent-gold);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large Desktop */
@media (min-width: 1200px) {
    .nav-menu {
        display: block;
    }
    
    .mobile-toggle {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .post-layout {
        grid-template-columns: 1fr 300px;
        gap: var(--space-2xl);
    }
    
    .post-sidebar {
        display: block;
    }
}

/* Desktop */
@media (min-width: 992px) {
    :root {
        --space-xs: 0.75rem;
        --space-sm: 1.25rem;
        --space-md: 2rem;
        --space-lg: 2.5rem;
        --space-xl: 3.5rem;
        --space-2xl: 5rem;
        --space-3xl: 7rem;
    }
    
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .related-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .post-meta-top {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --space-xs: 0.5rem;
        --space-sm: 0.75rem;
        --space-md: 1rem;
        --space-lg: 1.5rem;
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }
    
    .content-container {
        padding: 0 var(--space-sm);
    }
    
    .nav-container {
        padding: 0 var(--space-sm);
    }
    
    .hero-section {
        padding: var(--space-xl) 0;
    }
    
    .hero-image {
        height: 250px;
    }
    
    .hero-img {
        height: 250px;
    }
    
    .post-card {
        margin: 0 var(--space-xs);
    }
    
    .card-content {
        padding: var(--space-md);
    }
    
    .post-header {
        padding: var(--space-lg) 0;
    }
    
    .post-content-wrapper {
        padding: var(--space-lg) 0;
    }
    
    .post-body {
        font-size: 1rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
    .hero-img,
    .card-thumb,
    .post-thumbnail {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: optimize-contrast;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .mobile-toggle,
    .mobile-menu-overlay,
    .share-widget,
    .newsletter-widget,
    .related-articles,
    .site-footer {
        display: none;
    }
    
    .post-article {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    .post-body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

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