/* ==========================================
   ONDAS Virtual Exhibition - Vintage Style
   Estética Blanco y Negro inspirada en los años 20
   ========================================== */

:root {
    --color-black: #1a1a1a;
    --color-dark-gray: #333333;
    --color-medium-gray: #666666;
    --color-light-gray: #cccccc;
    --color-cream: #f5f5f0;
    --color-white: #ffffff;
    --font-display: 'EB Garamond', serif;
    --font-body: 'Crimson Text', serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-cream);
    color: var(--color-black);
    line-height: 1.8;
    font-size: 18px;
}

/* ==========================================
   HEADER - Estilo periódico vintage
   ========================================== */

.main-header {
    background-color: var(--color-white);
    border-top: 4px solid var(--color-black);
    border-bottom: 4px double var(--color-black);
    padding: 3rem 2rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.header-ornament {
    font-size: 1.2rem;
    letter-spacing: 1rem;
    color: var(--color-dark-gray);
    margin: 0.5rem 0;
}

.main-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: 0.5rem;
    margin: 0.5rem 0;
    color: var(--color-black);
    text-transform: uppercase;
    border-top: 2px solid var(--color-black);
    border-bottom: 2px solid var(--color-black);
    padding: 1rem 0;
}

.subtitle {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-dark-gray);
    margin: 1rem 0 0.5rem;
    letter-spacing: 0.1rem;
}

.header-years {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-medium-gray);
    letter-spacing: 0.3rem;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* ==========================================
   NAVIGATION & SEARCH
   ========================================== */

.main-nav {
    background-color: var(--color-white);
    border-bottom: 2px solid var(--color-black);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.search-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

#searchInput {
    flex: 1;
    padding: 0.8rem 1.2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-dark-gray);
    background-color: var(--color-white);
    color: var(--color-black);
}

#searchInput:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 2px rgba(0,0,0,0.1);
}

#searchBtn, #clearSearch {
    padding: 0.8rem 2rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    border: 2px solid var(--color-black);
    background-color: var(--color-black);
    color: var(--color-white);
    cursor: pointer;
    transition: all 0.3s ease;
}

#searchBtn:hover, #clearSearch:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

#clearSearch {
    background-color: var(--color-white);
    color: var(--color-black);
}

#clearSearch:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* ==========================================
   CONTAINER & SECTIONS
   ========================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin: 2rem 0 1rem;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    color: var(--color-black);
}

.ornamental-line {
    width: 200px;
    height: 2px;
    background-color: var(--color-black);
    margin: 1rem auto 2rem;
    position: relative;
}

.ornamental-line::before,
.ornamental-line::after {
    content: '◆';
    position: absolute;
    top: -9px;
    font-size: 1rem;
    color: var(--color-black);
}

.ornamental-line::before {
    left: -15px;
}

.ornamental-line::after {
    right: -15px;
}

/* ==========================================
   INTRO SECTION
   ========================================== */

.intro-section {
    background-color: var(--color-white);
    border: 3px double var(--color-black);
    padding: 3rem;
    margin: 2rem 0;
}

.intro-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 2;
    text-align: justify;
}

.intro-text p {
    margin-bottom: 1.5rem;
    text-indent: 2rem;
}

.intro-text p:first-child {
    text-indent: 0;
}

.intro-text strong {
    font-weight: 700;
    font-family: var(--font-display);
    font-size: 1.15rem;
    letter-spacing: 0.05rem;
}

/* ==========================================
   BANNER IMAGE
   ========================================== */

.banner-image {
    margin: 2rem 0;
    text-align: center;
    background-color: var(--color-white);
    border: 3px double var(--color-black);
    padding: 1.5rem;
}

.banner-image img {
    max-width: 100%;
    width: auto;
    height: auto;
    display: block;
    margin: 0 auto;
    border: 2px solid var(--color-black);
    box-shadow: 4px 4px 0 rgba(0,0,0,0.1);
}

/* ==========================================
   CATEGORIES GRID
   ========================================== */

.categories-section {
    margin: 3rem 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.category-card {
    background-color: var(--color-white);
    border: 3px solid var(--color-black);
    padding: 2rem;
    text-decoration: none;
    color: var(--color-black);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-black);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 8px 8px 0 var(--color-black);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-light-gray);
    margin-bottom: 0.5rem;
}

.category-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    border-bottom: 2px solid var(--color-black);
    padding-bottom: 0.5rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.category-count {
    font-size: 0.9rem;
    color: var(--color-medium-gray);
    font-style: italic;
    margin: 0.5rem 0;
}

.category-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark-gray);
    margin-top: 1rem;
}

/* ==========================================
   GALLERY STYLES (para páginas de categorías)
   ========================================== */

.gallery-header {
    background-color: var(--color-white);
    border: 3px double var(--color-black);
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.gallery-header h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.2rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.gallery-header p {
    font-size: 1.1rem;
    color: var(--color-medium-gray);
    font-style: italic;
}

.back-link {
    display: inline-block;
    padding: 0.8rem 2rem;
    margin: 1rem 0 2rem;
    font-family: var(--font-display);
    font-weight: 600;
    text-decoration: none;
    color: var(--color-black);
    border: 2px solid var(--color-black);
    background-color: var(--color-white);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

.back-link:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.gallery-item {
    background-color: var(--color-white);
    border: 2px solid var(--color-black);
    padding: 1rem;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    box-shadow: 6px 6px 0 var(--color-black);
    transform: translate(-3px, -3px);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--color-light-gray);
    margin-bottom: 1rem;
    background-color: var(--color-cream);
}

.image-caption {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-dark-gray);
}

.image-date {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-black);
    margin-bottom: 0.3rem;
    letter-spacing: 0.05rem;
}

.image-title {
    font-size: 1rem;
    color: var(--color-black);
    margin-top: 0.3rem;
}

.bne-link {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.2rem 0.6rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--color-medium-gray);
    border: 1px solid var(--color-light-gray);
    letter-spacing: 0.05rem;
    transition: all 0.3s ease;
}

.bne-link:hover {
    color: var(--color-white);
    background-color: var(--color-black);
    border-color: var(--color-black);
}

/* ==========================================
   CREDITS & FOOTER
   ========================================== */

.credits-section {
    margin: 4rem 0 2rem;
    text-align: center;
}

.credits {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--color-medium-gray);
    margin: 1rem 0;
    letter-spacing: 0.1rem;
}

.credits-small {
    font-size: 0.85rem;
    color: var(--color-light-gray);
    font-style: italic;
}

.main-footer {
    background-color: var(--color-white);
    border-top: 4px double var(--color-black);
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.footer-ornament {
    font-size: 1rem;
    letter-spacing: 0.8rem;
    color: var(--color-medium-gray);
    margin-bottom: 1rem;
}

.main-footer p {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-medium-gray);
}

/* ==========================================
   SEARCH RESULTS
   ========================================== */

.search-results {
    margin: 2rem 0;
    padding: 2rem;
    background-color: var(--color-white);
    border: 2px solid var(--color-black);
}

.search-results h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

.no-results {
    font-style: italic;
    color: var(--color-medium-gray);
    padding: 2rem;
    text-align: center;
}

/* ==========================================
   PAGINATION CONTROLS
   ========================================== */

.pagination-controls {
    margin: 3rem 0;
    text-align: center;
}

.pagination-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.page-btn {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-black);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.page-btn:hover:not(:disabled) {
    background-color: var(--color-black);
    color: var(--color-white);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 0.3rem;
    align-items: center;
    margin: 0 1rem;
}

.page-number {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.5rem 0.9rem;
    background-color: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-black);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 2.5rem;
}

.page-number:hover {
    background-color: var(--color-dark-gray);
    color: var(--color-white);
}

.page-number.active {
    background-color: var(--color-black);
    color: var(--color-white);
    font-weight: 700;
    border: 2px solid var(--color-black);
}

.page-ellipsis {
    padding: 0 0.5rem;
    color: var(--color-medium-gray);
    font-weight: bold;
}

.pagination-info {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-medium-gray);
    margin-top: 1rem;
    font-style: italic;
}

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

@media (max-width: 768px) {
    .main-title {
        font-size: 3rem;
        letter-spacing: 0.3rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .category-card {
        padding: 1.5rem;
    }

    .category-card h3 {
        font-size: 1.3rem;
        letter-spacing: 0.05rem;
        line-height: 1.4;
    }

    .category-desc {
        font-size: 0.95rem;
    }

    .search-container {
        flex-direction: column;
    }

    #searchInput, #searchBtn, #clearSearch {
        width: 100%;
    }

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

    .gallery-header {
        padding: 1.5rem 1rem;
    }

    .gallery-header h1 {
        font-size: 2rem;
        letter-spacing: 0.1rem;
    }

    .gallery-header p {
        font-size: 1rem;
    }

    .intro-section {
        padding: 2rem 1.5rem;
    }

    .intro-text {
        font-size: 1rem;
    }

    .banner-image {
        margin: 1.5rem 0;
        padding: 1rem;
    }

    .pagination-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }

    .page-numbers {
        margin: 0.5rem 0;
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-btn, .page-number {
        font-size: 0.9rem;
        padding: 0.5rem 0.8rem;
    }
}

@media print {
    body {
        background-color: white;
    }

    .main-nav, .search-container, .pagination-controls {
        display: none;
    }

    .gallery-item {
        display: block !important;
    }
}