/** * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 * 
 * Ancestral Cultures - Cinematic Dark Theme with Warm Gold Accents
 * An immersive journey through ancient civilizations and historical cultures.
 */

/* ========================================
   CSS Custom Properties - Warm Gold Theme
   ======================================== */
:root {
    /* Primary Dark Theme */
    --ac-bg-primary: #0D0D0F;
    --ac-bg-secondary: #1A1C1E;
    --ac-bg-tertiary: #2A2D31;
    --ac-bg-card: rgba(26, 28, 30, 0.95);
    --ac-border: rgba(168, 159, 145, 0.15);
    --ac-border-hover: rgba(184, 149, 106, 0.3);
    
    /* Warm Gold Accents */
    --ac-accent: #B8956A;
    --ac-accent-light: #D4B896;
    --ac-accent-dark: #8B6D4F;
    --ac-accent-glow: rgba(184, 149, 106, 0.15);
    
    /* Text Colors */
    --ac-text-primary: #F5F3EF;
    --ac-text-secondary: #E8E4DC;
    --ac-text-muted: #A89F91;
    
    /* Typography */
    --ac-font-display: 'Cormorant Garamond', Georgia, serif;
    --ac-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --ac-section-padding: 100px;
    --ac-section-padding-mobile: 60px;
    
    /* Transitions */
    --ac-transition-slow: 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
    --ac-transition-medium: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    --ac-transition-fast: 0.3s ease;
}

/* ========================================
   Base & Reset
   ======================================== */
body:has(.ac-main) {
    background-color: var(--ac-bg-primary) !important;
    background-image: none !important;
}

body:has(.ac-main) #wrapper,
body:has(.ac-main) #content-wrapper,
body:has(.ac-main) #content-fluid {
    background: transparent !important;
}

body:has(.ac-main) footer {
    background-color: var(--ac-bg-primary) !important;
}

.ac-main {
    font-family: var(--ac-font-body);
    color: var(--ac-text-primary);
    line-height: 1.7;
    background-color: var(--ac-bg-primary);
}

/* ========================================
   Skip Link (Accessibility)
   ======================================== */
.ac-skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--ac-accent);
    color: var(--ac-bg-primary);
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 4px;
    transition: top var(--ac-transition-fast);
}

.ac-skip-link:focus {
    top: 16px;
    outline: 2px solid var(--ac-text-primary);
    outline-offset: 2px;
}

/* ========================================
   Scroll Progress Indicator
   ======================================== */
.ac-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--ac-accent-dark), var(--ac-accent));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ========================================
   Page Navigation Dots
   ======================================== */
.ac-page-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: none;
}

@media (min-width: 1200px) {
    .ac-page-nav {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
}

.ac-nav-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(184, 149, 106, 0.3);
    border: 1px solid var(--ac-border);
    transition: all var(--ac-transition-fast);
    position: relative;
    cursor: pointer;
    text-decoration: none;
}

.ac-nav-dot:hover,
.ac-nav-dot.active {
    background: var(--ac-accent);
    border-color: var(--ac-accent);
    transform: scale(1.3);
}

.ac-nav-dot::after {
    content: attr(data-tooltip);
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--ac-bg-tertiary);
    color: var(--ac-text-primary);
    padding: 8px 16px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--ac-transition-fast);
    font-size: 0.8125rem;
    font-family: var(--ac-font-body);
}

.ac-nav-dot:hover::after {
    opacity: 1;
}

/* ========================================
   Back to Top Button
   ======================================== */
.ac-back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ac-bg-tertiary);
    border: 1px solid var(--ac-border);
    color: var(--ac-text-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--ac-transition-fast);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ac-back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.ac-back-to-top:hover {
    background: var(--ac-accent);
    border-color: var(--ac-accent);
    color: var(--ac-bg-primary);
    transform: translateY(-4px);
}

.ac-back-to-top:focus {
    outline: 2px solid var(--ac-accent);
    outline-offset: 2px;
}

/* ========================================
   Typography
   ======================================== */
.ac-section-title {
    font-family: var(--ac-font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 500;
    color: var(--ac-text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.ac-section-subtitle {
    font-family: var(--ac-font-body);
    font-size: 1.125rem;
    color: var(--ac-text-secondary);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.ac-chapter-number {
    display: inline-block;
    font-family: var(--ac-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ac-accent);
    margin-bottom: 1rem;
}

/* ========================================
   Section Base
   ======================================== */
.ac-section {
    padding: var(--ac-section-padding) 0;
    position: relative;
}

@media (max-width: 768px) {
    .ac-section {
        padding: var(--ac-section-padding-mobile) 0;
    }
}

.ac-chapter-header {
    text-align: center;
    margin-bottom: 3rem;
}

/* ========================================
   HERO SECTION - "Discover Ancient Civilizations"
   ======================================== */
.ac-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
    background: var(--ac-bg-primary);
}

.ac-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.ac-hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(184, 149, 106, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(212, 184, 150, 0.06) 0%, transparent 40%);
}

.ac-hero-lines {
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 100px,
        rgba(255, 255, 255, 0.02) 100px,
        rgba(255, 255, 255, 0.02) 101px
    );
}

.ac-cultural-pattern {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    opacity: 0.05;
    animation: ac-rotate 60s linear infinite;
}

@keyframes ac-rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.ac-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    padding: 0 24px;
}

.ac-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ac-accent);
    margin-bottom: 2rem;
    border: 1px solid var(--ac-border);
}

.ac-hero-badge i {
    color: var(--ac-accent);
}

.ac-hero-title {
    font-family: var(--ac-font-display);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--ac-text-primary);
}

.ac-title-line {
    display: block;
    color: var(--ac-text-secondary);
    font-size: 0.5em;
    font-weight: 400;
    margin-bottom: 0.25em;
}

.ac-title-accent {
    display: block;
    color: var(--ac-accent);
    font-style: italic;
}

.ac-hero-lead {
    font-family: var(--ac-font-body);
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: var(--ac-text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Hero Stats */
.ac-hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.ac-stat-item {
    text-align: center;
    padding: 1rem;
}

.ac-stat-value {
    display: block;
    font-family: var(--ac-font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--ac-accent);
    line-height: 1;
}

.ac-stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--ac-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

.ac-stat-divider {
    width: 1px;
    height: 50px;
    background: var(--ac-border);
}

@media (max-width: 576px) {
    .ac-stat-divider {
        display: none;
    }
    .ac-hero-stats {
        gap: 1rem;
    }
    .ac-stat-item {
        flex: 1 1 45%;
    }
}

/* Trust Badges */
.ac-trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.ac-trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--ac-text-muted);
}

.ac-trust-item i {
    color: var(--ac-accent);
}

/* Scroll Indicator */
.ac-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--ac-text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: ac-float 3s ease-in-out infinite;
}

.ac-scroll-indicator i {
    font-size: 1rem;
}

@keyframes ac-float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@media (max-width: 768px) {
    .ac-scroll-indicator {
        display: none;
    }
}

/* ========================================
   DISCOVERY SECTION - Filters
   ======================================== */
.ac-discovery {
    background: var(--ac-bg-primary);
    padding-top: var(--content-offset, 80px);
}

.ac-filter-panel {
    background: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--ac-border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.ac-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.ac-filter-title {
    font-family: var(--ac-font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--ac-text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ac-filter-title i {
    color: var(--ac-accent);
}

.ac-filter-actions {
    display: flex;
    gap: 1rem;
}

.ac-filter-btn {
    background: transparent;
    border: none;
    color: var(--ac-accent);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--ac-transition-fast);
    padding: 0;
    text-decoration: none;
}

.ac-filter-btn:hover {
    color: var(--ac-accent-light);
    text-decoration: none;
}

.ac-filter-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

@media (min-width: 576px) {
    .ac-filter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .ac-filter-grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

.ac-filter-group {
    display: flex;
    flex-direction: column;
}

.ac-filter-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ac-text-muted);
    margin-bottom: 0.5rem;
}

.ac-filter-input,
.ac-filter-select {
    background: var(--ac-bg-secondary);
    border: 1px solid var(--ac-border);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: var(--ac-text-primary);
    font-size: 0.9375rem;
    transition: all var(--ac-transition-fast);
    width: 100%;
}

.ac-filter-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23A89F91' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.ac-filter-input:focus,
.ac-filter-select:focus {
    outline: none;
    border-color: var(--ac-accent);
    box-shadow: 0 0 0 3px var(--ac-accent-glow);
}

.ac-filter-input::placeholder {
    color: var(--ac-text-muted);
}

.ac-filter-select option {
    background: var(--ac-bg-secondary);
    color: var(--ac-text-primary);
}

.ac-filter-submit {
    background: var(--ac-accent);
    border: 1px solid var(--ac-accent);
    color: var(--ac-bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ac-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.ac-filter-submit:hover {
    background: var(--ac-accent-dark);
    border-color: var(--ac-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--ac-accent-glow);
}

/* Active Filters */
.ac-active-filters {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ac-border);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.ac-active-filters-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ac-text-muted);
    display: flex;
    align-items: center;
}

.ac-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(184, 149, 106, 0.1);
    border: 1px solid rgba(184, 149, 106, 0.3);
    color: var(--ac-accent-light);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.ac-filter-tag a {
    color: var(--ac-accent-light);
    text-decoration: none;
    margin-left: 0.25rem;
    opacity: 0.7;
    transition: opacity var(--ac-transition-fast);
}

.ac-filter-tag a:hover {
    opacity: 1;
}

/* ========================================
   GALLERY SECTION - Spotlight Grid
   ======================================== */
.ac-gallery {
    background: var(--ac-bg-primary);
    padding-top: 0;
}

.ac-results-info {
    text-align: center;
    margin-bottom: 2rem;
}

.ac-results-text {
    font-size: 0.9375rem;
    color: var(--ac-text-muted);
    margin: 0;
}

.ac-results-text strong {
    color: var(--ac-accent);
}

.ac-grid-container {
    margin-bottom: 3rem;
}

.ac-spotlight-grid {
    margin: 0 -0.75rem;
}

.ac-spotlight-grid > [class*="col-"] {
    padding: 0 0.75rem;
}

.ac-spotlight-card {
    background: var(--ac-bg-secondary);
    border: 1px solid var(--ac-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--ac-transition-medium);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.ac-spotlight-card:hover {
    transform: translateY(-8px);
    border-color: var(--ac-accent);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.ac-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ac-card-img-wrapper {
    position: relative;
    padding-top: 65%;
    overflow: hidden;
    background: var(--ac-bg-tertiary);
}

.ac-card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ac-spotlight-card:hover .ac-card-img {
    transform: scale(1.05);
}

.ac-placeholder-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.ac-spotlight-card:hover .ac-placeholder-svg {
    transform: scale(1.05);
}

.ac-card-img-overlay-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    z-index: 2;
}

.ac-badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ac-badge-era {
    background: var(--ac-accent);
    color: var(--ac-bg-primary);
}

.ac-badge-culture {
    background: rgba(212, 184, 150, 0.9);
    color: var(--ac-bg-primary);
}

.ac-badge-featured {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: var(--ac-accent);
    color: var(--ac-bg-primary);
}

.ac-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ac-card-title {
    font-family: var(--ac-font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ac-text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.ac-card-subtitle {
    font-size: 0.875rem;
    color: var(--ac-text-muted);
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.ac-card-period,
.ac-card-region {
    font-size: 0.8125rem;
    color: var(--ac-text-muted);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ac-card-period i,
.ac-card-region i {
    color: var(--ac-accent);
    width: 16px;
}

.ac-card-stats {
    display: flex;
    gap: 0.75rem;
    padding-top: 0.75rem;
    margin-top: auto;
    border-top: 1px solid var(--ac-border);
}

.ac-stat-badge {
    font-size: 0.75rem;
    color: var(--ac-text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.ac-stat-badge i {
    color: var(--ac-accent);
}

/* ========================================
   Pagination
   ======================================== */
.ac-pagination {
    display: flex;
    justify-content: center;
    margin: 3rem 0;
}

.ac-pagination-list {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.ac-pagination-item {
    list-style: none;
}

.ac-pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--ac-text-secondary);
    background: var(--ac-bg-tertiary);
    border: 1px solid var(--ac-border);
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--ac-transition-fast);
}

.ac-pagination-link:hover {
    color: var(--ac-accent-light);
    border-color: var(--ac-accent);
    background: var(--ac-accent-glow);
    text-decoration: none;
}

.ac-pagination-item.active .ac-pagination-link {
    color: var(--ac-bg-primary);
    background: var(--ac-accent);
    border-color: var(--ac-accent);
    font-weight: 600;
}

/* Load More Button */
.ac-load-more {
    text-align: center;
    margin: 3rem 0;
}

.ac-load-more-btn {
    background: transparent;
    border: 1px solid var(--ac-accent);
    color: var(--ac-accent);
    padding: 0.875rem 2rem;
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--ac-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.ac-load-more-btn:hover {
    background: var(--ac-accent);
    color: var(--ac-bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--ac-accent-glow);
}

/* Empty State */
.ac-empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.ac-empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--ac-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.ac-empty-icon i {
    font-size: 2rem;
    color: var(--ac-text-muted);
}

.ac-empty-title {
    font-family: var(--ac-font-display);
    font-size: 1.5rem;
    color: var(--ac-text-primary);
    margin-bottom: 0.5rem;
}

.ac-empty-text {
    color: var(--ac-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.ac-empty-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--ac-accent);
    border: 1px solid var(--ac-accent);
    color: var(--ac-bg-primary);
    padding: 0.875rem 1.5rem;
    border-radius: 100px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--ac-transition-fast);
}

.ac-empty-btn:hover {
    background: var(--ac-accent-dark);
    border-color: var(--ac-accent-dark);
    color: var(--ac-bg-primary);
    text-decoration: none;
    transform: translateY(-2px);
}

/* ========================================
   Mobile Bottom Navigation
   ======================================== */
.ac-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1250;
    background: rgba(13, 13, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--ac-border);
    display: flex;
    justify-content: space-around;
    padding: 10px 8px calc(10px + env(safe-area-inset-bottom));
}

.ac-bottom-nav-item {
    text-decoration: none;
    color: var(--ac-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: all var(--ac-transition-fast);
    opacity: 0.6;
}

.ac-bottom-nav-item i {
    font-size: 1rem;
}

.ac-bottom-nav-item:hover,
.ac-bottom-nav-item.active {
    color: var(--ac-accent);
    text-decoration: none;
    opacity: 1;
}

/* Adjust main content padding for bottom nav on mobile */
@media (max-width: 767.98px) {
    .ac-main {
        padding-bottom: 80px;
    }
    
    .ac-back-to-top {
        bottom: 90px;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.ac-animate-fade-in {
    opacity: 0;
    animation: ac-fade-in var(--ac-transition-slow) forwards;
}

.ac-animate-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: ac-fade-in-up var(--ac-transition-slow) forwards;
}

.ac-delay-1 { animation-delay: 0.2s; }
.ac-delay-2 { animation-delay: 0.4s; }
.ac-delay-3 { animation-delay: 0.6s; }
.ac-delay-4 { animation-delay: 0.8s; }

@keyframes ac-fade-in {
    to { opacity: 1; }
}

@keyframes ac-fade-in-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered animations */
.ac-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--ac-transition-slow), transform var(--ac-transition-slow);
}

.ac-reveal.ac-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .ac-animate-fade-in,
    .ac-animate-fade-in-up,
    .ac-reveal {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .ac-scroll-indicator,
    .ac-cultural-pattern {
        animation: none;
    }
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */
@media (max-width: 768px) {
    .ac-hero {
        min-height: auto;
        padding: 120px 16px 60px;
    }
    
    .ac-filter-panel {
        padding: 1.5rem;
    }
    
    .ac-filter-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .ac-hero-bg,
    .ac-page-nav,
    .ac-back-to-top,
    .ac-scroll-progress,
    .ac-scroll-indicator,
    .ac-filter-panel,
    .ac-bottom-nav {
        display: none !important;
    }
    
    .ac-main {
        background: white;
        color: black;
    }
    
    .ac-section {
        padding: 40px 0;
    }
    
    .ac-spotlight-card {
        border: 1px solid #ddd;
    }
    
    .ac-spotlight-card .ac-card-body,
    .ac-spotlight-card .ac-card-title {
        color: black !important;
    }
}