/* ===========================
   CSS VARIABLES
   =========================== */
:root {
    --color-bg: #fafaf8;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-accent: #c74523;
    --color-accent-dark: #9a3419;
    --color-border: #e5e5e0;
    --color-card-bg: #ffffff;
    
    --font-display: 'Libre Baskerville', serif;
    --font-body: 'Work Sans', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --border-radius: 4px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* ===========================
   LAYOUT UTILITIES
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   NAVIGATION
   =========================== */
.main-nav {
    background: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-light);
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--color-text);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: linear-gradient(135deg, #f8f8f6 0%, #ffffff 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   SECTIONS
   =========================== */
.featured-gallery,
.about-section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.view-all {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.view-all:hover {
    color: var(--color-accent-dark);
    transform: translateX(5px);
}

/* ===========================
   GALLERY PREVIEW GRID
   =========================== */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.preview-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    aspect-ratio: 4/3;
    background: var(--color-border);
    cursor: pointer;
    animation: fadeIn 0.6s ease-out backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.preview-item:hover img {
    transform: scale(1.05);
}

/* ===========================
   ABOUT SECTION
   =========================== */
.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.about-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

/* ===========================
   GALLERY PAGE
   =========================== */
.gallery-header {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background: linear-gradient(135deg, #f8f8f6 0%, #ffffff 100%);
    border-bottom: 1px solid var(--color-border);
}

.back-link {
    display: inline-block;
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

.back-link:hover {
    color: var(--color-accent);
    transform: translateX(-5px);
}

.gallery-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.gallery-description {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

/* ===========================
   GALLERY GRID
   =========================== */
.gallery-container {
    padding: var(--spacing-lg) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    aspect-ratio: 4/3;
    background: var(--color-border);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    animation: fadeIn 0.6s ease-out backwards;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ===========================
   SLIDESHOW MODAL
   =========================== */
.slideshow-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.slideshow-modal.active {
    opacity: 1;
    visibility: visible;
}

.slideshow-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slideshow-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 3rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 4rem;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    font-weight: 300;
    line-height: 1;
    z-index: 10;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.prev-btn {
    left: 2rem;
}

.next-btn {
    right: 2rem;
}

.slideshow-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    background: rgba(0, 0, 0, 0.6);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

/* ===========================
   GALLERIES LIST PAGE
   =========================== */
.page-header {
    padding: var(--spacing-lg) 0;
    background: linear-gradient(135deg, #f8f8f6 0%, #ffffff 100%);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.page-header p {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

.galleries-list {
    padding: var(--spacing-lg) 0;
}

.gallery-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.gallery-card {
    background: var(--color-card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-border);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-card:hover .card-image img {
    transform: scale(1.05);
}

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

.card-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.card-content p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.gallery-card.placeholder {
    background: var(--color-bg);
    border: 2px dashed var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.gallery-card.placeholder:hover {
    transform: none;
    box-shadow: none;
    cursor: default;
}

.gallery-card.placeholder .card-content {
    text-align: center;
}

.gallery-card.placeholder h3 {
    color: var(--color-text-light);
}

/* ===========================
   FOOTER
   =========================== */
.main-footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: 0.9rem;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }
    
    .preview-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .close-btn,
    .nav-btn {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    .prev-btn {
        left: 1rem;
    }
    
    .next-btn {
        right: 1rem;
    }
    
    .close-btn {
        top: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        gap: var(--spacing-sm);
    }
    
    .gallery-cards {
        grid-template-columns: 1fr;
    }
}