/* ==========================================================================
   ARTECA B2B E-commerce - Proposal 2: Technical Catalog Style
   Design: Split layout, horizontal cards, teal/industrial palette
   Completely different from Proposal 1
   ========================================================================== */

/* CSS Variables */
:root {
    --primary: #00838f;
    --primary-dark: #006064;
    --primary-light: #4fb3bf;
    --accent: #ff6f00;
    --accent-light: #ffa040;
    --dark: #263238;
    --dark-light: #37474f;
    --gray-900: #212121;
    --gray-700: #616161;
    --gray-500: #9e9e9e;
    --gray-300: #e0e0e0;
    --gray-100: #f5f5f5;
    --white: #ffffff;
    --success: #43a047;
    --warning: #fb8c00;
    --error: #e53935;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --transition: all 0.2s ease;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Roboto Condensed', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 15px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--gray-100);
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

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

.btn-outline:hover {
    background: var(--dark);
    color: var(--white);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--dark);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 11px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 14px;
}

/* ==========================================================================
   HEADER - Compact Top Bar Style
   ========================================================================== */

.top-header {
    background: var(--dark);
    color: var(--white);
    padding: 8px 0;
    font-size: 12px;
}

.top-header .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-header-left {
    display: flex;
    gap: 24px;
}

.top-header-left a {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.7;
}

.top-header-left a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.top-header-right {
    display: flex;
    gap: 20px;
}

.top-header-right a:hover {
    color: var(--primary-light);
}

/* Main Header */
.main-header {
    background: var(--white);
    border-bottom: 3px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 80px;
}

.logo {
    flex-shrink: 0;
}

.logo img {
    height: 50px;
}

/* Main Navigation - Horizontal */
.main-nav {
    flex: 1;
    margin-left: 48px;
}

.nav-menu {
    display: flex;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 28px 20px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--dark);
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
}

.nav-link:hover,
.nav-item:hover .nav-link {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.nav-link svg {
    width: 12px;
    height: 12px;
    transition: var(--transition);
}

.nav-item:hover .nav-link svg {
    transform: rotate(180deg);
}

/* Mega Menu - Vertical Style with Icons */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    display: flex;
    background: var(--white);
    border: 1px solid var(--gray-300);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Left column - Categories with icons */
.mega-menu-categories {
    width: 380px;
    background: var(--gray-100);
    border-right: 1px solid var(--gray-300);
}

.mega-menu-category {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--dark);
    border-bottom: 1px solid var(--gray-300);
    cursor: pointer;
    transition: var(--transition);
}

.mega-menu-category:hover,
.mega-menu-category.active {
    background: var(--white);
    color: var(--accent);
}

.mega-menu-category svg {
    width: 20px;
    height: 20px;
    color: var(--gray-500);
    flex-shrink: 0;
}

.mega-menu-category:hover svg,
.mega-menu-category.active svg {
    color: var(--accent);
}

.mega-menu-category span {
    flex: 1;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.mega-menu-category .arrow {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
}

.mega-menu-category:hover .arrow,
.mega-menu-category.active .arrow {
    color: var(--accent);
}

/* Right column - Subcategories */
.mega-menu-subcategories {
    width: 280px;
    padding: 20px 24px;
    background: var(--white);
}

.mega-menu-subcategories h4 {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.mega-menu-subcategories ul li {
    margin-bottom: 10px;
}

.mega-menu-subcategories ul li a {
    font-size: 13px;
    color: var(--gray-700);
    display: block;
    padding: 4px 0;
}

.mega-menu-subcategories ul li a:hover {
    color: var(--accent);
}

.mega-menu-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

.mega-menu-link:hover {
    text-decoration: underline;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.header-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: var(--dark);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.header-action:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.header-action svg {
    width: 18px;
    height: 18px;
}

.header-action span {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Search Bar */
.search-bar {
    margin-left: 24px;
    margin-right: 24px;
}

.search-bar form {
    display: flex;
    border: 2px solid var(--gray-300);
    transition: var(--transition);
}

.search-bar form:focus-within {
    border-color: var(--primary);
}

.search-bar input {
    width: 280px;
    padding: 10px 14px;
    border: none;
    font-size: 13px;
    outline: none;
}

.search-bar button {
    padding: 10px 16px;
    background: var(--primary);
    border: none;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.search-bar button:hover {
    background: var(--primary-dark);
}

/* ==========================================================================
   HERO - Full Width Image Background
   ========================================================================== */

.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1600') center/cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--dark) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-text {
    max-width: 600px;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 6px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-text h1 span {
    color: var(--primary-light);
}

.hero-text p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-features {
    display: flex;
    gap: 32px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-feature svg {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
}

.hero-feature span {
    font-size: 13px;
    font-weight: 600;
}

/* ==========================================================================
   CATEGORIES - Card Grid with Icons
   ========================================================================== */

.categories-section {
    padding: 80px 0;
    background: var(--white);
}

.categories-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--gray-300);
}

.section-header h2 {
    margin-bottom: 8px;
}

.section-header p {
    color: var(--gray-700);
    font-size: 14px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.category-card {
    background: var(--gray-100);
    padding: 32px 20px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.category-card:hover {
    border-color: var(--primary);
    background: var(--white);
}

.category-icon {
    width: 64px;
    height: 64px;
    background: var(--primary);
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.category-card:hover .category-icon {
    background: var(--accent);
}

.category-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.category-card h4 {
    font-size: 12px;
    margin-bottom: 4px;
}

.category-card span {
    font-size: 11px;
    color: var(--gray-500);
}

/* ==========================================================================
   FEATURED PRODUCTS - Horizontal Cards
   ========================================================================== */

.products-section {
    padding: 80px 0;
    background: var(--gray-100);
}

.products-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.product-card-horizontal {
    display: grid;
    grid-template-columns: 200px 1fr auto;
    background: var(--white);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.product-card-horizontal:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.product-card-image {
    background: var(--gray-100);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-card-image img {
    max-height: 120px;
    object-fit: contain;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--dark);
    color: var(--white);
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.product-badge.new {
    background: var(--success);
}

.product-badge.sale {
    background: var(--error);
}

.product-card-info {
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-card-info .product-category {
    font-size: 10px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 4px;
}

.product-card-info h3 {
    font-size: 16px;
    margin-bottom: 8px;
    text-transform: none;
}

.product-card-info h3 a:hover {
    color: var(--primary);
}

.product-card-info .product-sku {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.product-card-info .product-desc {
    font-size: 13px;
    color: var(--gray-700);
    line-height: 1.6;
}

.product-card-actions {
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    gap: 12px;
    border-left: 1px solid var(--gray-300);
    min-width: 200px;
}

.product-price {
    text-align: right;
    display: none;
}

.logged-in .product-price {
    display: block;
}

.price-current {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.price-old {
    font-size: 13px;
    color: var(--gray-500);
    text-decoration: line-through;
    margin-left: 8px;
}

.price-unit {
    font-size: 11px;
    color: var(--gray-500);
    display: block;
}

.login-for-price {
    background: var(--gray-100);
    padding: 12px 16px;
    font-size: 12px;
    color: var(--gray-700);
    text-align: center;
    border: 1px dashed var(--gray-300);
}

.login-for-price a {
    color: var(--primary);
    font-weight: 700;
}

.login-for-price a:hover {
    text-decoration: underline;
}

.logged-in .login-for-price {
    display: none;
}

/* Grid view products - Compact Card Style (2 columns) */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.product-card-inner {
    display: flex;
    padding: 16px;
    gap: 16px;
}

.product-card .product-image {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card .product-image img {
    max-width: 70px;
    max-height: 70px;
    object-fit: contain;
}

.product-card .product-info {
    flex: 1;
    min-width: 0;
}

.product-card .product-code {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.product-card .product-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    text-transform: uppercase;
    line-height: 1.3;
}

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

.product-card .product-desc {
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.4;
}

.product-card .product-meta-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-300);
    font-size: 12px;
    color: var(--gray-700);
}

.product-card .product-meta-row svg {
    width: 14px;
    height: 14px;
    color: var(--gray-500);
}

.product-card .product-footer {
    border-top: 1px solid var(--gray-300);
}

.product-card .product-footer .btn {
    width: 100%;
    border-radius: 0 0 8px 8px;
    padding: 14px 20px;
    background: var(--dark-light);
    color: var(--white);
    border: none;
    font-size: 12px;
    gap: 10px;
}

.product-card .product-footer .btn:hover {
    background: var(--primary);
}

.product-card .product-footer .btn svg {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   FEATURES STRIP
   ========================================================================== */

.features-strip {
    background: var(--primary);
    padding: 48px 0;
}

.features-strip .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.features-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--white);
}

.feature-item svg {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 13px;
    margin-bottom: 2px;
    text-transform: uppercase;
}

.feature-item p {
    font-size: 12px;
    opacity: 0.8;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
    text-align: center;
}

.cta-section .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.cta-section h2 {
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.8;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: var(--gray-900);
    color: var(--white);
}

.footer-main {
    padding: 64px 0;
}

.footer-main .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 48px;
}

.footer-brand img {
    height: 45px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 13px;
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 8px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-column h4 {
    font-size: 12px;
    color: var(--primary-light);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    font-size: 13px;
    opacity: 0.7;
}

.footer-column ul li a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
}

.footer-bottom .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    opacity: 0.6;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* ==========================================================================
   PAGE HEADER
   ========================================================================== */

.page-header {
    background: var(--dark);
    color: var(--white);
    padding: 32px 0;
}

.page-header .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    margin-bottom: 12px;
    opacity: 0.7;
}

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

.breadcrumb span {
    color: var(--primary-light);
}

.page-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title h1 {
    font-size: 2rem;
}

.results-count {
    font-size: 13px;
    opacity: 0.7;
}

/* ==========================================================================
   LISTING PAGE
   ========================================================================== */

.listing-section {
    padding: 40px 0;
}

.listing-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.listing-layout {
    display: block;
}

/* Filters Button */
.filters-sidebar {
    display: none;
}

.btn-filter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-filter svg {
    width: 16px;
    height: 16px;
}

/* Listing Content */
.listing-content {
    display: flex;
    flex-direction: column;
}

.listing-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--gray-300);
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.filter-info {
    font-size: 13px;
    color: var(--gray-500);
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.products-count {
    font-size: 13px;
    color: var(--gray-700);
    font-weight: 500;
}

.view-options {
    display: flex;
    gap: 4px;
}

.view-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.sort-options {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sort-options label {
    font-size: 12px;
    color: var(--gray-700);
    font-weight: 600;
}

.sort-options select {
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    font-size: 13px;
    cursor: pointer;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 32px;
}

.pagination a,
.pagination span {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-300);
    background: var(--white);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.pagination a:hover,
.pagination a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* ==========================================================================
   PRODUCT DETAIL PAGE
   ========================================================================== */

.product-detail {
    padding: 40px 0;
}

.product-detail .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 500px 1fr;
    gap: 64px;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    background: var(--white);
    border: 1px solid var(--gray-300);
    padding: 48px;
    margin-bottom: 16px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image img {
    max-height: 350px;
    object-fit: contain;
}

.thumbnail-images {
    display: flex;
    gap: 12px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 2px solid var(--gray-300);
    padding: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary);
}

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

/* Product Info */
.product-detail-info {
    padding: 16px 0;
}

.product-detail-info .product-category {
    font-size: 11px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-detail-info h1 {
    font-size: 2rem;
    margin-bottom: 16px;
    text-transform: none;
}

.product-meta {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--gray-300);
    border-bottom: 1px solid var(--gray-300);
    margin-bottom: 24px;
}

.product-meta span {
    font-size: 13px;
    color: var(--gray-700);
}

.product-meta strong {
    color: var(--dark);
}

.stock-status {
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.product-detail-price {
    margin-bottom: 24px;
    display: none;
}

.logged-in .product-detail-price {
    display: block;
}

.product-detail-price .price-current {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
}

.product-detail-price .price-note {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.product-description {
    margin-bottom: 32px;
}

.product-description p {
    color: var(--gray-700);
    line-height: 1.8;
}

/* Quantity Selector */
.quantity-selector {
    margin-bottom: 24px;
}

.quantity-selector label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.quantity-input {
    display: flex;
    border: 1px solid var(--gray-300);
    width: fit-content;
}

.quantity-btn {
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 700;
    transition: var(--transition);
}

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

.quantity-input input {
    width: 60px;
    height: 44px;
    border: none;
    border-left: 1px solid var(--gray-300);
    border-right: 1px solid var(--gray-300);
    text-align: center;
    font-size: 14px;
    font-weight: 600;
}

.product-detail-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.product-features {
    background: var(--gray-100);
    padding: 24px;
    border-left: 4px solid var(--primary);
}

.product-features h4 {
    font-size: 12px;
    margin-bottom: 16px;
}

.product-features ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 13px;
    color: var(--gray-700);
}

.product-features ul li svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

/* Product Tabs */
.product-tabs {
    margin-top: 64px;
    background: var(--white);
    border: 1px solid var(--gray-300);
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--gray-300);
}

.tab-btn {
    padding: 16px 32px;
    background: none;
    border: none;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    padding: 32px;
}

.tab-pane {
    display: none;
}

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

.tab-pane h3 {
    font-size: 16px;
    margin-bottom: 16px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--gray-300);
}

.specs-table th,
.specs-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 13px;
}

.specs-table th {
    background: var(--gray-100);
    font-weight: 600;
    width: 200px;
}

/* ==========================================================================
   CART PAGE
   ========================================================================== */

.cart-section {
    padding: 40px 0;
}

.cart-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.cart-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 32px;
}

.cart-items {
    background: var(--white);
    border: 1px solid var(--gray-300);
}

.cart-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 16px;
    padding: 16px 24px;
    background: var(--dark);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cart-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 16px;
    padding: 24px;
    align-items: center;
    border-bottom: 1px solid var(--gray-300);
}

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

.cart-product {
    display: flex;
    gap: 16px;
    align-items: center;
}

.cart-product-image {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    padding: 8px;
    flex-shrink: 0;
}

.cart-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cart-product-info h4 {
    font-size: 14px;
    margin-bottom: 4px;
    text-transform: none;
}

.cart-product-info h4 a:hover {
    color: var(--primary);
}

.cart-product-info p {
    font-size: 11px;
    color: var(--gray-500);
}

.cart-price,
.cart-total {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    display: none;
}

.logged-in .cart-price,
.logged-in .cart-total {
    display: block;
}

.cart-quantity .quantity-input {
    border: 1px solid var(--gray-300);
}

.cart-quantity .quantity-btn {
    width: 32px;
    height: 32px;
    font-size: 14px;
}

.cart-quantity input {
    width: 48px;
    height: 32px;
    font-size: 13px;
}

.cart-remove {
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid var(--gray-300);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

/* Cart Summary */
.cart-summary {
    background: var(--white);
    border: 1px solid var(--gray-300);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    padding: 16px 24px;
    background: var(--dark);
    color: var(--white);
    font-size: 13px;
}

.cart-summary-content {
    padding: 24px;
}

.summary-row {
    display: none;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-300);
}

.logged-in .summary-row {
    display: flex;
}

.summary-row.total {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    border-bottom: none;
    padding-top: 16px;
}

.cart-summary .btn {
    width: 100%;
    margin-top: 16px;
}

.promo-code {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-300);
}

.promo-code label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.promo-input {
    display: flex;
    gap: 8px;
}

.promo-input input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    font-size: 13px;
}

/* ==========================================================================
   LOGIN PAGE
   ========================================================================== */

.login-section {
    padding: 64px 0;
}

.login-section .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--white);
    border: 1px solid var(--gray-300);
}

.login-form-section {
    padding: 48px;
    border-right: 1px solid var(--gray-300);
}

.login-form-section h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.login-form-section > p {
    color: var(--gray-700);
    font-size: 14px;
    margin-bottom: 32px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    font-size: 14px;
    transition: var(--transition);
}

.login-form input:focus {
    border-color: var(--primary);
    outline: none;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 13px;
}

.form-options label {
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: none;
    font-weight: normal;
}

.form-options a {
    color: var(--primary);
}

.form-options a:hover {
    text-decoration: underline;
}

.login-form .btn {
    width: 100%;
}

.login-divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
}

.login-divider::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--gray-300);
}

.login-divider span {
    background: var(--white);
    padding: 0 16px;
    position: relative;
    font-size: 12px;
    color: var(--gray-500);
}

/* Register Section */
.register-section {
    padding: 48px;
    background: var(--gray-100);
}

.register-section h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.register-section > p {
    color: var(--gray-700);
    font-size: 14px;
    margin-bottom: 24px;
}

.register-benefits {
    margin-bottom: 32px;
}

.register-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
}

.register-benefits li svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.register-section .btn {
    width: 100%;
}

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

@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .listing-layout {
        grid-template-columns: 220px 1fr;
    }
}

@media (max-width: 992px) {
    .main-nav {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 80px 0;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-card-horizontal {
        grid-template-columns: 150px 1fr;
    }
    
    .product-card-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        border-left: none;
        border-top: 1px solid var(--gray-300);
    }
    
    .features-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .listing-layout {
        grid-template-columns: 1fr;
    }
    
    .filters-sidebar {
        position: static;
    }
    
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: static;
    }
    
    .cart-layout {
        grid-template-columns: 1fr;
    }
    
    .cart-summary {
        position: static;
    }
    
    .login-container {
        grid-template-columns: 1fr;
    }
    
    .login-form-section {
        border-right: none;
        border-bottom: 1px solid var(--gray-300);
    }
}

@media (max-width: 768px) {
    .top-header {
        display: none;
    }
    
    .main-header .container {
        flex-wrap: wrap;
        height: auto;
        padding: 16px 24px;
    }
    
    .search-bar {
        order: 3;
        width: 100%;
        margin: 16px 0 0;
    }
    
    .search-bar input {
        width: 100%;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card-horizontal {
        grid-template-columns: 1fr;
    }
    
    .product-card-image {
        padding: 32px;
    }
    
    .features-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-main .container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cart-header {
        display: none;
    }
    
    .cart-item {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}