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

:root {
    --primary-color: #0F2854;
    --accent-color: #005461;
    --accent-color-2: #018790;
    --accent-color-3: #00B7B5;
    --accent-color-4: #1C4D8D;
    --accent-color-5: #4988C4;
    --accent-color-6: #BDE8F5;
    --secondary-color: #018790;
    --bg-color: #F4F4F4;
    --text-color: #0F2854;
    --text-light: #4988C4;
    --card-bg: #ffffff;
    --border-color: #BDE8F5;
    --shadow-sm: 0 2px 8px rgba(15, 40, 84, 0.04);
    --shadow-md: 0 4px 16px rgba(15, 40, 84, 0.08);
    --shadow-lg: 0 8px 32px rgba(15, 40, 84, 0.12);
    --shadow-hover: 0 12px 48px rgba(0, 183, 181, 0.2);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(135deg, #F4F4F4 0%, #BDE8F5 25%, #F4F4F4 50%, #BDE8F5 75%, #F4F4F4 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

main {
    position: relative;
    z-index: 10;
}

header, footer {
    position: relative;
    z-index: 1000;
}

header {
    background: rgba(244, 244, 244, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.25rem 2rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    font-size: 1.75rem;
    font-weight: 300;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2), var(--accent-color-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: lowercase;
    font-family: 'Georgia', serif;
    animation: gradientText 3s ease infinite;
    background-size: 200% 200%;
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
    pointer-events: auto;
    position: relative;
    z-index: 1001;
}

.logo:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

@keyframes gradientText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.about-btn {
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--border-color);
    padding: 0.625rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    font-family: inherit;
    font-weight: 500;
}

.about-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.cart-btn {
    position: relative;
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--border-color);
    padding: 0.625rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    font-family: inherit;
    font-weight: 500;
}

.cart-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.cart-icon {
    font-size: 1.1rem;
}

.cart-count {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2));
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    position: absolute;
    top: -8px;
    right: -8px;
    display: none;
    box-shadow: 0 2px 8px rgba(0, 183, 181, 0.4);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.language-switcher {
    display: flex;
    gap: 0.25rem;
    background: #F4F4F4;
    padding: 0.25rem;
    border-radius: 8px;
}

.lang-btn {
    padding: 0.5rem 0.875rem;
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
    border-radius: 6px;
    font-family: inherit;
}

.lang-btn:hover {
    color: var(--primary-color);
    background: white;
}

.lang-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

main {
    max-width: 1600px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.view {
    display: none;
    animation: fadeIn 0.6s ease-out;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    gap: 2rem;
    flex-wrap: wrap;
}

.gallery-title-section {
    flex: 1;
    min-width: 300px;
}

.gallery-header h2 {
    font-size: 3.5rem;
    font-weight: 200;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    letter-spacing: -1px;
    font-family: 'Georgia', serif;
}

.gallery-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 300;
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.sort-controls label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    white-space: nowrap;
}

.sort-select {
    padding: 0.75rem 1.25rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    background: white;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
    min-width: 200px;
    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='%231a1a1a' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.sort-select:hover {
    border-color: var(--primary-color);
}

.sort-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    padding: 1rem 0;
}

.artwork-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    opacity: 0;
    animation: slideUp 0.6s ease-out forwards;
    border: 2px solid #e8e8e8;
    background: white;
    z-index: 10;
}


.artwork-card:nth-child(1) { animation-delay: 0.05s; }
.artwork-card:nth-child(2) { animation-delay: 0.1s; }
.artwork-card:nth-child(3) { animation-delay: 0.15s; }
.artwork-card:nth-child(4) { animation-delay: 0.2s; }
.artwork-card:nth-child(5) { animation-delay: 0.25s; }
.artwork-card:nth-child(6) { animation-delay: 0.3s; }
.artwork-card:nth-child(n+7) { animation-delay: 0.35s; }

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

.artwork-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    border-width: 3px;
}

.artwork-image-container {
    width: 100%;
    height: 380px;
    overflow: hidden;
    position: relative;
    background: #F4F4F4;
}

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

.artwork-card:hover .artwork-image {
    transform: scale(1.08);
}

.artwork-info {
    padding: 1.75rem;
    position: relative;
}

.artwork-name {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.artwork-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.artwork-size {
    font-weight: 500;
}

.artwork-technique {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    font-style: italic;
}

.artwork-price {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    font-family: 'Georgia', serif;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    transition: var(--transition-fast);
    font-family: inherit;
    font-weight: 500;
}

.back-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(-3px);
}

.artwork-detail {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.6s ease-out;
    border: 2px solid var(--border-color);
}

.artwork-detail-image-container {
    width: 100%;
    height: 650px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #F4F4F4;
}

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

.artwork-detail-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.artwork-detail-name {
    font-size: 2.75rem;
    font-weight: 300;
    color: var(--primary-color);
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
    font-family: 'Georgia', serif;
    line-height: 1.2;
}

.artwork-detail-meta {
    margin-bottom: 2.5rem;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.05rem;
}

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

.meta-label {
    font-weight: 500;
    color: var(--text-light);
}

.meta-value {
    color: var(--primary-color);
    font-weight: 500;
}

.artwork-detail-price {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-color-2), var(--accent-color-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 400;
    margin: 2rem 0;
    font-family: 'Georgia', serif;
    background-size: 200% 200%;
    animation: gradientText 3s ease infinite;
}

.btn-primary {
    padding: 1.125rem 2.5rem;
    background: linear-gradient(135deg, #005461, #018790);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(139, 111, 94, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #018790, #00B7B5);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 111, 94, 0.25);
}

.btn-primary:active {
    transform: translateY(0);
}

.payment-container {
    max-width: 650px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 3.5rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.6s ease-out;
    border: 1px solid var(--border-color);
}

.payment-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.payment-header h2 {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 300;
    font-family: 'Georgia', serif;
}

.payment-item {
    background: #F4F4F4;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.payment-item-name {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--primary-color);
}

.payment-item-price {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
    font-family: 'Georgia', serif;
}

.payment-form {
    margin-top: 2.5rem;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.625rem;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: white;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: white;
    resize: vertical;
    min-height: 80px;
    -webkit-appearance: none;
    appearance: none;
}

.form-section-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-family: 'Georgia', serif;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.form-section-title:first-of-type {
    margin-top: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-row.form-row-2-1 {
    grid-template-columns: 2fr 1fr;
}

.payment-total {
    background: var(--primary-color);
    color: white;
    padding: 1.75rem;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    font-size: 1.4rem;
    font-weight: 500;
}

.cart-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.6s ease-out;
    border: 1px solid var(--border-color);
}

.cart-container h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    font-weight: 300;
    font-family: 'Georgia', serif;
}

.cart-items {
    margin-bottom: 2.5rem;
}

.cart-empty {
    text-align: center;
    padding: 4rem;
    color: var(--text-light);
    font-size: 1.15rem;
    font-style: italic;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    padding: 1.75rem;
    background: #F4F4F4;
    border-radius: 12px;
    margin-bottom: 1.25rem;
    transition: var(--transition-fast);
    border: 1px solid var(--border-color);
}

.cart-item:hover {
    background: #F4F4F4;
    transform: translateX(5px);
}

.cart-item-image {
    width: 140px;
    height: 140px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: #BDE8F5;
    box-shadow: var(--shadow-sm);
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.625rem;
}

.cart-item-size {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 0.625rem;
}

.cart-item-price {
    font-size: 1.3rem;
    color: var(--accent-color);
    font-weight: 600;
    font-family: 'Georgia', serif;
}

.cart-item-remove {
    padding: 0.625rem 1.25rem;
    background: transparent;
    color: var(--text-light);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    font-family: inherit;
}

.cart-item-remove:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.cart-footer {
    border-top: 2px solid var(--border-color);
    padding-top: 2.5rem;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.cart-total-label {
    font-size: 1.2rem;
}

.cart-total-amount {
    font-size: 2rem;
    color: var(--accent-color);
    font-family: 'Georgia', serif;
}

.success-container {
    text-align: center;
    max-width: 550px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 4.5rem 3.5rem;
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.6s ease-out;
    border: 1px solid var(--border-color);
}

.success-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #00B7B5;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    margin: 0 auto 2.5rem;
    animation: scaleIn 0.6s ease-out;
    box-shadow: var(--shadow-md);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-container h2 {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
    font-weight: 300;
    font-family: 'Georgia', serif;
}

.success-container p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.notification {
    position: fixed;
    top: 100px;
    right: 2rem;
    background: var(--primary-color);
    color: white;
    padding: 1.125rem 1.75rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    opacity: 0;
    transform: translateX(400px);
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.95rem;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

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

.about-title {
    font-size: 3.5rem;
    font-weight: 200;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    letter-spacing: -1px;
    font-family: 'Georgia', serif;
}

.about-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 300;
    margin-bottom: 3rem;
}

.about-photos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin: 3rem 0;
}

.about-photo-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--card-bg);
    transition: var(--transition);
}

.about-photo-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 48px rgba(15, 40, 84, 0.2);
}

.about-photo {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 12px;
}

footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 2rem;
    }

    .artwork-detail {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 2.5rem;
    }

    .artwork-detail-image-container {
        height: 500px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 1rem 1.25rem;
    }

    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .logo {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }

    .header-right {
        gap: 0.75rem;
        flex-wrap: wrap;
        width: 100%;
        justify-content: flex-end;
    }

    .about-btn,
    .cart-btn {
        padding: 0.625rem 0.875rem;
        font-size: 0.85rem;
        min-height: 44px;
        min-width: 44px;
    }

    .language-switcher {
        gap: 0.125rem;
        padding: 0.2rem;
    }

    .lang-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-width: 44px;
    }

    .gallery-header {
        flex-direction: column;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .gallery-header h2 {
        font-size: 2.5rem;
    }

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

    .sort-controls {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .sort-controls label {
        font-size: 0.9rem;
    }

    .sort-select {
        width: 100%;
        min-width: unset;
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .artwork-card {
        border-radius: 12px;
    }

    .artwork-info {
        padding: 1.25rem;
    }

    .artwork-name {
        font-size: 1.1rem;
    }

    .artwork-price {
        font-size: 1.3rem;
    }

    .back-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        min-height: 44px;
    }

    .artwork-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
        border-radius: 12px;
    }

    .artwork-detail-image-container {
        height: 400px;
        border-radius: 10px;
    }

    .artwork-detail-name {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .artwork-detail-price {
        font-size: 2rem;
        margin: 1.5rem 0;
    }

    .meta-item {
        padding: 1rem 0;
        font-size: 0.95rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .meta-label,
    .meta-value {
        flex: 1 1 auto;
    }

    .btn-primary {
        padding: 1rem 2rem;
        font-size: 0.95rem;
        min-height: 48px;
        width: 100%;
    }

    .payment-container {
        padding: 1.5rem;
        border-radius: 12px;
        margin: 0 1rem;
    }

    .payment-header h2 {
        font-size: 1.75rem;
    }

    .payment-item {
        padding: 1.25rem;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .payment-item-name {
        font-size: 1rem;
        flex: 1 1 100%;
    }

    .payment-item-price {
        font-size: 1.3rem;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.875rem;
        font-size: 1rem;
        min-height: 44px;
    }

    .form-section-title {
        font-size: 1.25rem;
        margin-top: 2rem;
        margin-bottom: 1.25rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .form-row.form-row-2-1 {
        grid-template-columns: 1fr;
    }

    .payment-total {
        padding: 1.5rem;
        font-size: 1.25rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .cart-container {
        padding: 1.5rem;
        border-radius: 12px;
        margin: 0 1rem;
    }

    .cart-container h2 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .cart-item {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
        gap: 1rem;
    }

    .cart-item-image {
        width: 100%;
        height: 250px;
        margin: 0 auto;
    }

    .cart-item-info {
        width: 100%;
    }

    .cart-item-name {
        font-size: 1.15rem;
    }

    .cart-item-price {
        font-size: 1.2rem;
    }

    .cart-item-remove {
        width: 100%;
        padding: 0.875rem;
        min-height: 44px;
        font-size: 0.9rem;
    }

    .cart-total {
        padding: 1.5rem;
        font-size: 1.3rem;
        flex-wrap: wrap;
    }

    .cart-total-amount {
        font-size: 1.75rem;
    }

    .success-container {
        padding: 2.5rem 1.5rem;
        margin: 0 1rem;
        border-radius: 12px;
    }

    .success-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .success-container h2 {
        font-size: 1.75rem;
    }

    .success-container p {
        font-size: 1rem;
    }

    .notification {
        right: 1rem;
        left: 1rem;
        transform: translateY(-100px);
        padding: 1rem 1.25rem;
        font-size: 0.9rem;
    }

    .notification.show {
        transform: translateY(0);
    }

    main {
        padding: 1.5rem 1rem;
    }

    .about-container {
        padding: 1.5rem 1rem;
    }

    .about-photos {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 2rem 0;
    }

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

    .about-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    footer {
        padding: 2rem 1rem;
        font-size: 0.8rem;
        margin-top: 3rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.875rem 1rem;
    }

    .logo {
        font-size: 1.25rem;
        letter-spacing: 1px;
    }

    .header-right {
        gap: 0.5rem;
    }

    .about-btn,
    .cart-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .cart-icon {
        font-size: 1rem;
    }

    .lang-btn {
        padding: 0.5rem 0.625rem;
        font-size: 0.75rem;
    }

    .gallery-header h2 {
        font-size: 2rem;
    }

    .gallery-header p {
        font-size: 0.95rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .artwork-info {
        padding: 1rem;
    }

    .artwork-name {
        font-size: 1rem;
    }

    .artwork-price {
        font-size: 1.2rem;
    }

    .artwork-detail {
        padding: 1rem;
    }

    .artwork-detail-image-container {
        height: 300px;
    }

    .artwork-detail-name {
        font-size: 1.75rem;
    }

    .artwork-detail-price {
        font-size: 1.75rem;
    }

    .meta-item {
        font-size: 0.9rem;
        padding: 0.875rem 0;
    }

    .payment-container {
        padding: 1.25rem;
        margin: 0 0.5rem;
    }

    .payment-header h2 {
        font-size: 1.5rem;
    }

    .form-section-title {
        font-size: 1.1rem;
    }

    .cart-container {
        padding: 1.25rem;
        margin: 0 0.5rem;
    }

    .cart-container h2 {
        font-size: 1.75rem;
    }

    .success-container {
        padding: 2rem 1.25rem;
        margin: 0 0.5rem;
    }

    .success-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }

    .success-container h2 {
        font-size: 1.5rem;
    }

    .about-title {
        font-size: 1.75rem;
    }

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

    main {
        padding: 1.25rem 0.75rem;
    }

    .about-container {
        padding: 1.25rem 0.75rem;
    }
}