/* ============================================
   Sanna Tengnäs Art Gallery
   Minimalist, Editorial Design
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-bg: #fafafa;
    --color-bg-alt: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-muted: #666666;
    --color-text-light: #888888;
    --color-border: #e5e5e5;
    --color-border-dark: #d0d0d0;
    --color-accent: #2c2c2c;
    --color-accent-hover: #000000;
    --color-white: #ffffff;
    --color-success: #2d5a27;
    --color-error: #8b2c2c;

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    --spacing-3xl: 8rem;

    /* Layout */
    --container-max: 1400px;
    --container-narrow: 720px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    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;
}

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: var(--container-narrow);
}

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

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

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

.site-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-fast);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text-muted);
}

/* Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    padding: var(--spacing-3xl) var(--spacing-md);
    text-align: center;
    background-color: var(--color-bg-alt);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: center;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border-dark);
}

.btn-secondary:hover {
    background-color: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle,
.section-text {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Artwork Grid */
.artwork-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.artwork-grid-large {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* Artwork Card */
.artwork-card {
    background: var(--color-white);
    transition: transform var(--transition-base);
}

.artwork-card:hover {
    transform: translateY(-4px);
}

.artwork-card-link {
    display: block;
}

.artwork-card-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--color-bg-alt);
}

.artwork-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.artwork-card:hover .artwork-card-image img {
    transform: scale(1.03);
}

.artwork-status-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background-color: var(--color-text);
    color: var(--color-white);
}

.artwork-card-info {
    padding: var(--spacing-md) var(--spacing-sm);
}

.artwork-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.artwork-card-price {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.pagination-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border-dark);
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    background-color: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Page Header */
.page-header {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    background-color: var(--color-bg-alt);
}

.page-title {
    margin-bottom: var(--spacing-sm);
}

.page-intro {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Filter Navigation */
.filter-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
}

.results-count {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Artwork card filtering animation */
.artwork-card {
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.artwork-card[style*="display: none"] {
    opacity: 0;
    transform: scale(0.95);
}

/* Artwork Detail */
.artwork-detail {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.breadcrumb a:hover {
    color: var(--color-text);
}

.breadcrumb-separator {
    color: var(--color-border-dark);
}

.artwork-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 900px) {
    .artwork-detail-grid {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--spacing-2xl);
        align-items: start;
    }
}

.artwork-image-container {
    background-color: var(--color-bg-alt);
}

.artwork-image-large {
    width: 100%;
    height: auto;
}

.artwork-info {
    position: sticky;
    top: 120px;
}

.artwork-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.artwork-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.category-tag {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
}

.artwork-description {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

.artwork-specs {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item dt {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.spec-item dd {
    font-weight: 500;
}

.artwork-price {
    font-size: 1.25rem;
}

.status-available {
    color: var(--color-success);
}

.status-sold {
    color: var(--color-text-muted);
}

.artwork-cta {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.inquiry-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.back-link {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.link-back {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.link-back:hover {
    color: var(--color-text);
}

/* About Page */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-2xl);
        align-items: start;
    }
}

.about-portrait {
    aspect-ratio: 3/4;
    overflow: hidden;
    background-color: var(--color-bg-alt);
}

.portrait-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content-full {
    grid-column: 1 / -1;
    max-width: var(--container-narrow);
}

.biography {
    font-size: 1.125rem;
    line-height: 1.8;
}

.biography p {
    margin-bottom: 1.5em;
}

.about-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

/* Contact Page */
.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.contact-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.contact-form-container {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
}

.required {
    color: var(--color-error);
}

.form-input,
.form-textarea {
    padding: 0.875rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-text);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group-checkbox {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-label-inline {
    font-weight: 400;
    cursor: pointer;
}

.custom-fields {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
}

.custom-fields.hidden {
    display: none;
}

.form-actions {
    margin-top: var(--spacing-sm);
}

.contact-alternative {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.contact-alternative a {
    color: var(--color-text);
    border-bottom: 1px solid var(--color-text);
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid;
}

.alert-success {
    background-color: #f0f7ef;
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background-color: #fdf2f2;
    border-color: var(--color-error);
    color: var(--color-error);
}

/* Contact Section (Home) */
.contact-section {
    background-color: var(--color-bg-alt);
}

.contact-info {
    text-align: center;
}

.contact-info p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

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

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-evenly;
        text-align: left;
    }

    .footer-brand {
        align-items: flex-start;
    }
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-nav a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-text);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.social-link:hover {
    color: var(--color-text);
}

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ============================================
   MOBILE-FIRST RESPONSIVE DESIGN
   ============================================ */

/* Extra Small Devices (phones, 320px - 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Header */
    .nav-container {
        padding: var(--spacing-sm);
    }

    .site-logo {
        font-size: 1.25rem;
    }

    /* Hero */
    .hero {
        min-height: 50vh;
        padding: var(--spacing-2xl) var(--spacing-sm);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Buttons - larger touch targets */
    .btn {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }

    .about-cta {
        flex-direction: column;
    }

    .about-cta .btn {
        width: 100%;
    }

    /* Artwork Grid - single column on very small screens */
    .artwork-grid,
    .artwork-grid-large {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .artwork-card-info {
        padding: var(--spacing-sm);
    }

    .artwork-card-title {
        font-size: 1rem;
    }

    /* Section spacing */
    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    .page-header {
        padding: var(--spacing-xl) 0;
    }

    /* Filter buttons - scrollable horizontal */
    .filter-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: var(--spacing-sm);
        margin: 0 calc(-1 * var(--spacing-sm));
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .filter-nav::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        flex-shrink: 0;
        padding: 0.625rem 1rem;
    }

    /* Pagination */
    .pagination {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .pagination-btn {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
    }

    /* Artwork Detail */
    .artwork-detail {
        padding: var(--spacing-md) 0 var(--spacing-xl);
    }

    .breadcrumb {
        font-size: 0.75rem;
        flex-wrap: wrap;
        margin-bottom: var(--spacing-md);
    }

    .artwork-title {
        font-size: 1.5rem;
    }

    .artwork-specs {
        padding: var(--spacing-sm);
    }

    .spec-item {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }

    .artwork-cta .btn {
        width: 100%;
    }

    /* About Page */
    .about-portrait {
        aspect-ratio: 1;
    }

    .biography {
        font-size: 1rem;
    }

    /* Contact Form */
    .contact-form-container {
        padding: var(--spacing-md);
    }

    .form-input,
    .form-textarea {
        padding: 1rem;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    .form-group-checkbox {
        align-items: flex-start;
    }

    .form-checkbox {
        width: 24px;
        height: 24px;
        margin-top: 2px;
    }

    /* Footer */
    .site-footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-nav a {
        padding: var(--spacing-xs) 0;
    }
}

/* Small Devices (large phones, 481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .hero {
        min-height: 55vh;
    }

    .hero-title {
        font-size: 3rem;
    }

    /* Two columns for artwork grid */
    .artwork-grid,
    .artwork-grid-large {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .btn {
        padding: 0.875rem 1.5rem;
    }

    .about-cta {
        justify-content: center;
    }

    .filter-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination {
        flex-direction: row;
    }

    .pagination-btn {
        width: auto;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile browsers */
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-3xl) var(--spacing-lg);
        background-color: var(--color-bg);
        border-left: 1px solid var(--color-border);
        transition: right var(--transition-base);
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-md) 0;
        font-size: 1.125rem;
        border-bottom: 1px solid var(--color-border);
    }

    /* Mobile menu overlay */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: -100vw;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.3);
        opacity: 0;
        transition: opacity var(--transition-base);
        pointer-events: none;
    }

    .nav-menu.active::before {
        opacity: 1;
        pointer-events: auto;
    }

    /* Close button area for mobile menu */
    .nav-menu-close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Tablet Landscape and Small Desktops (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .artwork-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .artwork-grid-large {
        grid-template-columns: repeat(2, 1fr);
    }

    .artwork-detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .about-grid {
        grid-template-columns: 1fr 1.2fr;
    }
}

/* Large Devices (desktops, 1025px and up) */
@media (min-width: 1025px) {
    .artwork-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .artwork-grid-large {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects that don't work well on touch */
    .artwork-card:hover {
        transform: none;
    }

    .artwork-card:hover .artwork-card-image img {
        transform: none;
    }

    /* Larger touch targets */
    .filter-btn {
        min-height: 44px;
        min-width: 44px;
    }

    .pagination-btn {
        min-height: 44px;
        padding: 0.75rem 1.25rem;
    }

    .nav-menu a {
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .footer-nav a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .social-link {
        min-width: 48px;
        min-height: 48px;
    }

    /* Active states for touch */
    .btn:active {
        transform: scale(0.98);
    }

    .artwork-card:active {
        transform: scale(0.99);
    }

    .filter-btn:active,
    .pagination-btn:active {
        background-color: var(--color-text);
        color: var(--color-white);
    }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .artwork-card-image img,
    .artwork-image-large,
    .portrait-image {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-md);
    }

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

    .page-header {
        padding: var(--spacing-lg) 0;
    }
}

/* Safe area insets for notched devices */
@supports (padding: max(0px)) {
    .site-header {
        padding-left: max(var(--spacing-md), env(safe-area-inset-left));
        padding-right: max(var(--spacing-md), env(safe-area-inset-right));
    }

    .site-footer {
        padding-bottom: max(var(--spacing-lg), env(safe-area-inset-bottom));
    }

    .nav-menu {
        padding-right: max(var(--spacing-lg), env(safe-area-inset-right));
    }
}

/* Print styles */
@media print {
    .site-header,
    .site-footer,
    .nav-toggle,
    .filter-nav,
    .pagination,
    .btn,
    .back-link {
        display: none !important;
    }

    .artwork-detail-grid {
        grid-template-columns: 1fr;
    }

    .artwork-image-large {
        max-height: 400px;
        object-fit: contain;
    }
}

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

/* ============================================
   IMAGE CAROUSEL / GALLERY
   ============================================ */

/* Artwork Detail Carousel */
.artwork-carousel {
    position: relative;
    width: 100%;
}

.carousel-main {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--color-bg-alt);
}

.carousel-main img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.carousel-main img.active {
    opacity: 1;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.carousel-nav:hover {
    background-color: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
}

.carousel-nav--prev {
    left: var(--spacing-sm);
}

.carousel-nav--next {
    right: var(--spacing-sm);
}

.carousel-nav svg {
    width: 20px;
    height: 20px;
}

/* Thumbnail Strip */
.carousel-thumbnails {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    scrollbar-width: thin;
}

.carousel-thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
    border: 2px solid transparent;
    overflow: hidden;
}

.carousel-thumbnail:hover {
    opacity: 0.9;
}

.carousel-thumbnail.active {
    opacity: 1;
    border-color: var(--color-text);
}

.carousel-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Card Carousel (for gallery grid and home page) */
.card-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-carousel-track img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card-carousel-track img.active {
    opacity: 1;
}

/* Carousel Dots */
.carousel-dots {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.carousel-dot.active {
    background-color: var(--color-white);
}

/* Card carousel navigation arrows */
.card-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.artwork-card:hover .card-carousel-nav {
    opacity: 1;
}

.card-carousel-nav--prev {
    left: var(--spacing-xs);
}

.card-carousel-nav--next {
    right: var(--spacing-xs);
}

.card-carousel-nav svg {
    width: 16px;
    height: 16px;
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-carousel-track {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: var(--color-bg-alt);
}

.hero-carousel-track img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.hero-carousel-track img.active {
    opacity: 1;
}

.hero-carousel .carousel-dots {
    bottom: var(--spacing-md);
}

.hero-carousel .carousel-dot {
    width: 10px;
    height: 10px;
}

/* Touch device adjustments for carousel */
@media (hover: none) and (pointer: coarse) {
    .card-carousel-nav {
        opacity: 1;
        width: 36px;
        height: 36px;
    }

    .carousel-thumbnail {
        width: 60px;
        height: 60px;
    }
}

/* Mobile carousel adjustments */
@media (max-width: 480px) {
    .carousel-nav {
        width: 36px;
        height: 36px;
    }

    .carousel-nav--prev {
        left: var(--spacing-xs);
    }

    .carousel-nav--next {
        right: var(--spacing-xs);
    }

    .carousel-thumbnail {
        width: 60px;
        height: 60px;
    }

    .hero-carousel {
        max-width: 100%;
    }
}