/* Global Styles */
:root {
    --primary-color: #362d2d; /* Dark Grey/Black */
    --accent-color: #3B82F6; /* Blue */
    --text-color: #333;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

/* Header */
.global-promo-bar {
    background: linear-gradient(90deg, #3B82F6, #dc2626);
    color: #fff;
    text-align: center;
    padding: 10px 14px;
    position: sticky;
    top: 0;
    z-index: 1300;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

.global-promo-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.95rem;
    line-height: 1.4;
}

.global-promo-inner strong {
    font-size: 1rem;
}

.global-promo-inner span {
    opacity: 0.95;
}

@media (max-width: 640px) {
    .global-promo-inner {
        gap: 6px;
        font-size: 0.88rem;
    }

    .global-promo-inner strong {
        font-size: 0.92rem;
    }
}

.main-header {
    background-color: var(--white);
    border-bottom: 3px solid var(--primary-color);
    padding: 24px 48px;
    margin-top: 0px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0px;
    z-index: 1200;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.logo a {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary-color);
    border: none;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 260px;
    height: 88px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.site-logo {
    display: block;
    width: 160%;
    height: 160%;
    max-width: none;
    max-height: none;
    object-fit: contain;
}

.logo a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.logo a:hover::before {
    left: 100%;
}

.logo a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.main-nav ul {
    display: flex;
    gap: 36px;
    align-items: center;
}

.main-nav a {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

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

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-color);
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
    transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Main Content - Index Page */
.main-content {
    flex: 1;
    padding: 60px 40px;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
}

.category-split {
    display: flex;
    width: 100%;
    gap: 32px;
    height: 600px;
}

.category-card {
    flex: 1;
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), transparent);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

.category-card:hover::before {
    opacity: 1;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.category-image {
    flex: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.category-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.3));
    transition: var(--transition-base);
}

.category-card:hover .category-image::after {
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.4));
}

/* 2x2 Grid for category images */
.category-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2px;
    background-color: var(--primary-color);
    padding: 0;
}

.category-image-grid::after {
    display: none;
}

.grid-item {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.grid-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.2));
    transition: var(--transition-base);
}

.category-card:hover .grid-item::after {
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.3));
}

.category-label {
    padding: 28px 24px;
    text-align: center;
    font-weight: 700;
    font-size: 22px;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--white);
    border-top: 3px solid var(--primary-color);
    transition: var(--transition-base);
    position: relative;
    z-index: 1;
}

.category-card:hover .category-label {
    color: var(--accent-color);
    border-top-color: var(--accent-color);
}

/* Category Page - Grid */
.category-content {
    flex: 1;
    padding: 20px 40px 60px 40px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.page-title {
    text-align: center;
    margin-bottom: 56px;
    color: var(--primary-color);
    font-size: 2.75em;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    padding-bottom: 20px;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    border-radius: 2px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    padding: 20px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.product-grid.four-col {
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.product-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    transition: var(--transition-base);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    height: 100%;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), transparent);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
    z-index: 1;
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.card-image {
    height: 260px;
    background-size: cover;
    background-position: center;
    background-color: #fafafa;
    position: relative;
    overflow: hidden;
}

.card-image.contain-image {
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #f5f5f5;
}

/* Isolated preview mode for problematic product card thumbnails */
.card-image.contain-preview {
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #f5f5f5;
}

.card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.05));
    transition: var(--transition-base);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-card:hover .card-image::after {
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.08));
}

.card-title {
    padding: 24px 20px;
    text-align: center;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    font-size: 1.05em;
    letter-spacing: 0.5px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    transition: var(--transition-base);
    position: relative;
    z-index: 2;
}

.card-price-note {
    text-align: center;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--accent-color);
    background: var(--white);
    padding: 0 20px 0px;
    letter-spacing: 0.2px;
}

.card-price-note-dph {
    text-align: center;
    font-size: 0.8em;
    font-weight: 600;
    color: var(--accent-color);
    background: var(--white);
    padding: 0 20px 20px;
    letter-spacing: 0.2px;
}

.product-card:hover .card-title {
    color: var(--accent-color);
}

/* Card with description content */
.card-content {
    padding: 24px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    z-index: 2;
}

.card-content .card-title {
    padding: 0;
    margin-bottom: 8px;
    font-size: 1.15em;
    text-align: left;
    display: block;
}

.card-description {
    font-size: 0.95em;
    line-height: 1.6;
    color: #555;
    margin: 0;
    text-align: left;
}

.product-card:hover .card-description {
    color: #333;
}

.card-price {
    font-size: 1.1em;
    font-weight: 700;
    color: #e74c3c;
    margin-top: auto;
    padding-top: 16px;
    text-align: right;
}

/* Product Detail Page */
.container {
    max-width: 1160px;
    margin: 28px auto 0;
    padding: 28px;
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.breadcrumb {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 32px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb a {
    color: var(--accent-color);
    font-weight: 500;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.product-container {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(420px, 1.05fr);
    gap: 28px;
    margin-top: 24px;
    align-items: start;
}

.product-image-column {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    padding: 20px;
    min-height: 300px;
    max-height: 420px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    overflow: hidden;
}

.product-info-tabs {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: #f9fafb;
}

.tab-link {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95em;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition-base);
}

.tab-link:hover,
.tab-link.active {
    background: #eef4ff;
    color: var(--accent-color);
}

.tab-content {
    display: none;
    padding: 16px;
    font-size: 0.95em;
    line-height: 1.6;
    color: #444;
}

.tab-content.active {
    display: block;
}

.characteristics-list {
    margin: 0;
    padding-left: 18px;
}

.characteristics-list li {
    margin-bottom: 6px;
}

.tab-content h4 {
    margin: 14px 0 8px;
    color: var(--primary-color);
    font-size: 0.95em;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.caps-gallery {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.gallery-thumb {
    width: 94px;
    height: 70px;
    object-fit: cover;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-base);
    background: #fff;
}

.gallery-thumb:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.image-lightbox {
    display: none;
    position: fixed;
    z-index: 3000;
    inset: 0;
    background: rgba(0, 0, 0, 0.82);
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.image-lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: min(92vw, 1100px);
    max-height: 88vh;
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
    background: #fff;
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 24px;
    color: #fff;
    font-size: 42px;
    line-height: 1;
    cursor: pointer;
}

.product-image:hover {
    box-shadow: var(--shadow-md);
}

.product-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    transition: var(--transition-base);
}

.product-image:hover img {
    transform: scale(1.02);
}

.product-form {
    background-color: var(--white);
    padding: 22px;
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 14px;
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    gap: 12px;
}

.form-group label {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.95em;
    letter-spacing: 0.3px;
}

.form-group input[type="number"],
.form-group input[type="text"],
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    transition: var(--transition-base);
    width: 100%;
    background-color: var(--white);
    font-family: inherit;
}

.form-group input[type="number"]:focus,
.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input[type="number"]:hover,
.form-group input[type="text"]:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #b0b0b0;
}

.form-group input.invalid {
    border-color: var(--error-color);
    background-color: #fff5f5;
}

.form-group input.invalid:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.unit {
    font-size: 0.9em;
    color: #666;
    grid-column: 2;
    font-weight: 500;
}

.hint {
    color: var(--accent-color);
    font-size: 0.85em;
    font-weight: 500;
}

.large-checkbox {
    width: 22px;
    height: 22px;
    justify-self: start;
    accent-color: var(--accent-color);
    cursor: pointer;
    margin: 0;
}

.help-icon {
    display: inline-block;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 22px;
    font-size: 0.8em;
    cursor: help;
    margin-left: 6px;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.help-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.price-container {
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
    border: 2px solid var(--accent-color);
    border-radius: 12px;
    padding: 16px;
    margin: 18px 0 16px;
    box-shadow: var(--shadow-sm);
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 8px 0;
}

.price-row:last-child {
    margin-bottom: 0;
    padding-top: 16px;
    border-top: 2px solid rgba(59, 130, 246, 0.2);
}

.price-label {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.05em;
    letter-spacing: 0.3px;
}

.price-value {
    font-size: 1.25em;
    font-weight: 700;
    color: var(--primary-color);
}

.price-with-vat {
    color: var(--accent-color);
    font-size: 1.6em;
}

.order-button {
    width: 100%;
    padding: 13px 22px;
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.order-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.order-button:hover::before {
    left: 100%;
}

.order-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.order-button:active:not(:disabled) {
    transform: translateY(0);
}

.order-button:disabled {
    background: linear-gradient(135deg, #ccc, #aaa);
    cursor: not-allowed;
    box-shadow: none;
}

.checkout-page {
    padding-top: 8px;
}

.checkout-hero {
    max-width: 980px;
    margin: 0 auto 18px;
    text-align: center;
}

.checkout-hero .page-title {
    margin-bottom: 16px;
}

.checkout-subtitle {
    margin: 0 auto 8px;
    max-width: 760px;
    color: #475569;
    font-size: 1.03rem;
    line-height: 1.65;
}

.checkout-trust-note {
    margin: 0 auto;
    max-width: 760px;
    color: #334155;
    font-size: 0.95rem;
    font-weight: 600;
    background: #eef4ff;
    border: 1px solid #dbeafe;
    border-radius: 999px;
    padding: 8px 14px;
    display: inline-flex;
}

.checkout-container {
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
}

.checkout-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 22px;
    box-shadow: var(--shadow-sm);
}

.checkout-card h2 {
    margin: 0;
    color: var(--primary-color);
}

.checkout-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

.checkout-card-head-actions {
    align-items: flex-start;
    gap: 14px;
}

.checkout-card-head-main {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkout-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef4ff;
    color: var(--accent-color);
    border: 1px solid #dbeafe;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-transform: uppercase;
}

.checkout-form-note {
    margin: -2px 0 14px;
    color: #64748b;
    font-size: 0.92rem;
}

.checkout-secondary-button {
    margin-top: 8px;
    background: linear-gradient(135deg, #4b5563, #374151);
}

.checkout-secondary-button:hover:not(:disabled) {
    background: linear-gradient(135deg, #374151, #1f2937);
}

.checkout-primary-button {
    margin-top: 2px;
}

.checkout-status-message {
    margin-top: 12px;
    min-height: 22px;
    color: #2563eb;
    font-weight: 600;
}

.checkout-clear-button {
    appearance: none;
    border: 1px solid #dbeafe;
    background: #eef4ff;
    color: #1d4ed8;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.35px;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.checkout-clear-button:hover {
    background: #dbeafe;
    border-color: #bfdbfe;
    color: #1e40af;
    transform: translateY(-1px);
}

.cart-items {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
}

.cart-item {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 14px;
    background: #fafcff;
}

.cart-item-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.cart-item h3 {
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--primary-color);
}

.cart-item-remove {
    appearance: none;
    border: 1px solid #fecaca;
    background: #fff1f2;
    color: #be123c;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: var(--transition-base);
    line-height: 1;
}

.cart-item-remove:hover {
    background: #ffe4e6;
    border-color: #fda4af;
    color: #9f1239;
}

.cart-item p {
    margin: 2px 0;
    font-size: 0.93rem;
}

.checkout-empty {
    color: #666;
    padding: 10px 0;
}

.checkout-totals {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
    margin-bottom: 14px;
}

.checkout-form .form-group {
    grid-template-columns: 1fr;
    gap: 8px;
}

.checkout-form input[type="text"],
.checkout-form input[type="email"],
.checkout-form input[type="tel"],
.checkout-form textarea {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    line-height: 1.4;
    color: var(--text-color);
    background-color: var(--white);
    font-family: inherit;
    transition: var(--transition-base);
}

.checkout-form input[type="text"]:focus,
.checkout-form input[type="email"]:focus,
.checkout-form input[type="tel"]:focus,
.checkout-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkout-form input[type="text"]:hover,
.checkout-form input[type="email"]:hover,
.checkout-form input[type="tel"]:hover,
.checkout-form textarea:hover {
    border-color: #b0b0b0;
}

.checkout-delivery-method {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 18px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #f8fbff;
    padding: 14px;
}

.checkout-delivery-method legend {
    padding: 0 6px;
    color: var(--primary-color);
    font-size: 0.92rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.35px;
}

.checkout-delivery-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.checkout-delivery-option {
    display: flex;
    align-items: stretch;
    gap: 10px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    background: #fff;
    padding: 12px;
    cursor: pointer;
    transition: var(--transition-base);
}

.checkout-delivery-option:hover {
    border-color: #93c5fd;
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.08);
    transform: translateY(-1px);
}

.checkout-delivery-option input[type="radio"] {
    margin-top: 2px;
    accent-color: var(--accent-color);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.checkout-delivery-option-content {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.checkout-delivery-option-content strong {
    color: var(--primary-color);
    font-size: 0.98rem;
    line-height: 1.35;
}

.checkout-delivery-option-content small {
    color: #64748b;
    font-size: 0.82rem;
    line-height: 1.4;
}

.checkout-delivery-option:has(input[type="radio"]:checked) {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.18);
    background: #eff6ff;
}

.checkout-section-subtitle {
    margin: 8px 0 6px;
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.3px;
}

.checkout-company-toggle label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
}

.checkout-company-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.cart-toast {
    position: fixed;
    right: 24px;
    bottom: 110px;
    z-index: 5000;
    width: min(92vw, 420px);
    background: #111827;
    color: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    transform: translateY(120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
}

.cart-toast.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.cart-toast-content {
    padding: 14px 14px 12px;
}

.cart-toast-text {
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.35;
}

.cart-toast-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.cart-toast-btn {
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cart-toast-btn-secondary {
    background: #374151;
    color: #fff;
}

.cart-toast-btn-primary {
    background: var(--accent-color);
    color: #fff;
}

.cart-menu-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding-right: 6px;
}

.cart-count-badge {
    position: absolute;
    top: -9px;
    right: -12px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* Footer */
.main-footer {
    background: linear-gradient(to bottom, var(--white), #fafafa);
    border-top: 3px solid var(--primary-color);
    padding: 56px 40px 24px;
    margin-top: auto;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 24px;
    text-transform: uppercase;
    font-weight: 800;
    font-size: 1.3em;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 12px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.footer-section p {
    margin-bottom: 12px;
    color: #555;
    font-size: 1.05em;
    line-height: 1.8;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1em;
    transition: var(--transition-base);
    background-color: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form input:hover,
.contact-form textarea:hover {
    border-color: #b0b0b0;
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form button {
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary-color), #1a1d1f);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-base);
    border-radius: 8px;
    font-size: 1em;
    box-shadow: var(--shadow-sm);
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #1a1d1f, #000);
}

.contact-form button:active {
    transform: translateY(0);
}

.footer-bottom {
    text-align: center;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    color: #666;
    font-size: 0.95em;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .product-grid.four-col {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .main-header {
        padding: 20px 32px;
    }
}

/* Optional metadata block for future product descriptions/parameters/files */
.product-meta {
    margin-top: 18px;
    padding: 18px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #fcfcfd;
}

.meta-section + .meta-section {
    margin-top: 14px;
}

.meta-section h3 {
    font-size: 0.98rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.meta-list {
    margin: 0;
    padding-left: 18px;
    color: #555;
    font-size: 0.93rem;
    line-height: 1.5;
}

.download-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.download-list a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--accent-color);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 999px;
    padding: 6px 12px;
    background: #f8fbff;
}

.download-list a:hover {
    background: #edf4ff;
    border-color: var(--accent-color);
}

@media (max-width: 968px) {
    .category-split {
        flex-direction: column;
        height: auto;
    }
    
    .category-card {
        min-height: 350px;
    }

    .product-grid, 
    .product-grid.four-col {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .product-container {
        grid-template-columns: 1fr;
        gap: 22px;
    }
    
    .main-header {
        padding: 20px 24px;
    }
    
    .main-content {
        padding: 40px 24px;
    }
    
    .category-content {
        padding: 40px 24px;
    }
    
    .page-title {
        font-size: 2.2em;
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        border-bottom: 3px solid var(--primary-color);
        padding: 24px;
        box-shadow: var(--shadow-lg);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .main-nav a {
        font-size: 16px;
        padding: 12px 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .logo a {
        font-size: 22px;
        padding: 10px 20px;
    }
    
    .container {
        padding: 20px;
        margin-top: 18px;
    }

    .product-form {
        padding: 18px;
    }
}

/* Horizontalni Isoline - custom layout */
.isoline-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 16px;
}

.isoline-top {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
    gap: 24px;
    align-items: stretch;
}

.isoline-image-wrap .product-image {
    min-height: 360px;
    height: 100%;
}

.isoline-summary {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 22px;
    box-shadow: var(--shadow-sm);
}

.isoline-summary h2 {
    margin: 0 0 14px;
    color: var(--primary-color);
    font-size: 1.6rem;
}

.isoline-summary p {
    margin-bottom: 10px;
    color: #444;
    line-height: 1.65;
}

.quick-inquiry-trigger {
    margin-top: 10px;
    margin-bottom: 14px;
}

.quick-inquiry-panel {
    margin-top: 6px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #f8fbff;
    box-shadow: var(--shadow-sm);
}

.quick-inquiry-panel.is-active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.12);
}

.quick-inquiry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.quick-inquiry-panel h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.quick-inquiry-close {
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--primary-color);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-base);
}

.quick-inquiry-close:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-1px);
}

.quick-inquiry-form {
    gap: 12px;
}

.isoline-sections {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.isoline-panel {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.isoline-panel > summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 20px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-color);
    background: #f9fafb;
    border-bottom: 1px solid transparent;
}

.isoline-panel[open] > summary {
    border-bottom-color: var(--border-color);
}

.isoline-panel > summary::-webkit-details-marker {
    display: none;
}

.isoline-panel > summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 8px;
    transition: transform 0.2s ease;
    color: var(--accent-color);
}

.isoline-panel[open] > summary::before {
    transform: rotate(90deg);
}

.isoline-panel-content {
    padding: 16px 20px 20px;
}

.isoline-price-table-wrap {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}

.isoline-price-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    min-width: 980px;
}

.isoline-price-table th,
.isoline-price-table td {
    border: 1px solid var(--border-color);
    padding: 5px 6px;
    text-align: center;
    white-space: nowrap;
    font-size: 0.82rem;
    line-height: 1.1;
}

.isoline-price-table th {
    background: #f3f6fb;
    color: var(--primary-color);
    font-weight: 700;
}

.isoline-price-matrix thead th.axis-top,
.isoline-price-matrix thead th.axis-corner {
    background: #eaf1ff;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.isoline-price-matrix thead tr:nth-child(2) th:first-child {
    text-align: center;
    min-width: 110px;
}

.isoline-price-matrix tbody th {
    background: #f8fbff;
    font-weight: 700;
}

.isoline-price-note {
    margin-bottom: 10px;
    font-size: 0.92rem;
    color: #4b5563;
}

.isoline-highlight-cell {
    background: #f8fbff;
}

.pdf-cta-wrap {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pdf-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--accent-color);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.pdf-cta-button:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pdf-cta-note {
    font-size: 0.88rem;
    color: #4b5563;
}

/* Isoline color swatch redesign */
.isoline-color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.isoline-color-card {
    margin: 0;
}

.isoline-color-link {
    display: block;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.isoline-color-link:hover {
    transform: translateY(-2px);
    border-color: #bfdbfe;
    box-shadow: 0 10px 18px rgba(17, 24, 39, 0.08);
}

.isoline-color-link.is-selected {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25), 0 10px 18px rgba(17, 24, 39, 0.12);
}

.isoline-color-link:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.35);
    outline-offset: 2px;
}

.isoline-color-thumb-wrap {
    aspect-ratio: 1 / 1;
    background: #f8fafc;
    border-bottom: 1px solid #eef2f7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.isoline-color-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Optional left-aligned swatch preview variant for pages that should not crop from center */
.isoline-color-thumb-wrap--left img {
    object-position: left center;
}

.isoline-color-name {
    display: block;
    padding: 9px 10px;
    text-align: center;
    font-size: 0.84rem;
    font-weight: 700;
    color: #334155;
    letter-spacing: 0.2px;
    background: #fff;
}

@media (max-width: 968px) {
    .isoline-top {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .isoline-image-wrap .product-image {
        min-height: 300px;
    }

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

@media (max-width: 600px) {
    .checkout-delivery-options {
        grid-template-columns: 1fr;
    }

    .isoline-price-table-wrap {
        overflow-x: auto;
        overflow-y: hidden;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background: #fff;
    }

    .isoline-price-table {
        min-width: 980px;
        width: max-content;
    }

    .isoline-price-table th,
    .isoline-price-table td {
        white-space: nowrap;
    }

    .isoline-price-matrix tbody th,
    .isoline-price-matrix thead tr:nth-child(2) th:first-child {
        position: sticky;
        left: 0;
        z-index: 3;
        background: #f8fbff;
        box-shadow: 2px 0 0 rgba(15, 23, 42, 0.06);
    }

    .isoline-price-matrix thead tr:nth-child(2) th:first-child {
        z-index: 4;
        background: #eaf1ff;
    }

    .checkout-card-head-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .checkout-clear-button {
        width: 100%;
        justify-content: center;
    }

    .cart-item-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .form-group {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .unit {
        grid-column: 1;
    }
    
    .page-title {
        font-size: 1.8em;
    }
    
    .main-content {
        padding: 32px 20px;
    }
    
    .category-content {
        padding: 32px 20px;
    }
    
    .category-split {
        gap: 20px;
    }
    
    .card-title {
        font-size: 0.95em;
        padding: 20px 16px;
    }

    .isoline-panel > summary {
        padding: 14px 16px;
    }

    .isoline-panel-content {
        padding: 14px 16px 16px;
    }
}