/* ========================================
   RASSAM - Professional Art Marketplace
   Premium Design System
   ======================================== */

/* ==================== Design Tokens ==================== */
:root {
    /* Spacing - 8px Grid System */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-7: 56px;
    --space-8: 64px;
    --space-10: 80px;
    --space-12: 96px;
    --space-16: 128px;
    --space-20: 160px;

    /* Color System - Ultra Minimal */
    --color-primary: #000000;
    --color-primary-soft: #1a1a1a;
    --color-accent: #0066FF;
    --color-accent-hover: #0052CC;

    /* Grays */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;

    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 30px;
    --text-4xl: 36px;
    --text-5xl: 48px;
    --text-6xl: 60px;
    --text-7xl: 72px;

    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    --leading-tight: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Borders & Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;

    --border-width: 1px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.10);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Global Resets ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-gray-900);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== Navbar Professional Styling ==================== */
.navbar {
    background-color: #ffffff !important;
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    padding: var(--space-3) 0;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary) !important;
    letter-spacing: -0.01em;
}

.navbar-nav .nav-link {
    color: var(--color-gray-700) !important;
    font-weight: var(--font-medium);
    font-size: var(--text-base);
    padding: var(--space-2) var(--space-3) !important;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
}

.navbar-nav .nav-link:hover {
    color: var(--color-primary) !important;
    background-color: var(--color-gray-50);
}

.navbar-nav .nav-link.active {
    color: var(--color-primary) !important;
    font-weight: var(--font-semibold);
}

.navbar .btn {
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
}

.navbar .btn-outline-primary {
    border-color: var(--color-gray-300);
    color: var(--color-primary);
}

.navbar .btn-outline-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

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

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

/* Mobile Menu Toggle (Hamburger) - Beautiful BLACK Design */
.navbar-toggler {
    border: none !important;
    padding: 0 !important;
    background-color: transparent !important;
    position: relative;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.navbar-toggler:hover {
    background-color: transparent !important;
    border: none !important;
    opacity: 0.7;
}

.navbar-toggler:focus {
    box-shadow: none !important;
    outline: none;
    opacity: 0.7;
}

.navbar-toggler:active {
    opacity: 0.5;
}

/* Custom Hamburger Icon - 3 Perfect BLACK Lines */
.navbar-toggler-icon {
    background-image: none !important;
    width: 28px;
    height: 3px;
    background-color: #000000;
    position: relative;
    display: block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

/* Top line */
.navbar-toggler-icon::before {
    content: '';
    position: absolute;
    width: 28px;
    height: 3px;
    background-color: #000000;
    top: -9px;
    left: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

/* Bottom line */
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 3px;
    background-color: #000000;
    top: 9px;
    left: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

/* When menu is open - Smooth X animation */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Hide hamburger icon on desktop - IMPORTANT! */
@media (min-width: 992px) {
    .navbar-toggler {
        display: none !important;
    }
}

/* Mobile menu styles */
@media (max-width: 991px) {
    .navbar-toggler {
        display: block !important;
    }

    .navbar-collapse {
        background-color: #ffffff;
        padding: var(--space-3);
        margin-top: var(--space-3);
        border-radius: var(--radius-md);
        border: 1px solid var(--color-gray-200);
        box-shadow: var(--shadow-lg);
    }

    /* Make menu vertical (stacked) */
    .navbar-nav {
        margin-top: var(--space-2);
        flex-direction: column !important;
        width: 100%;
    }

    .navbar-nav .nav-item {
        width: 100%;
        display: block !important;
    }

    .navbar-nav .nav-link {
        padding: var(--space-3) !important;
        margin: var(--space-1) 0;
        border-radius: var(--radius-md);
        width: 100%;
        text-align: right;
        display: block !important;
    }

    [dir="ltr"] .navbar-nav .nav-link {
        text-align: left;
    }

    /* Dropdown menus - ACCORDION STYLE (Closed by default) */
    .navbar-nav .dropdown-menu {
        position: static !important;
        float: none;
        width: 100%;
        margin-top: var(--space-1);
        border: none;
        box-shadow: none;
        background-color: var(--color-gray-50);
        padding: 0;
        border-radius: var(--radius-md);
        /* CLOSED by default */
        display: none !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }

    /* OPEN when dropdown is active */
    .navbar-nav .dropdown.show .dropdown-menu {
        display: block !important;
        max-height: 500px;
        padding: var(--space-2);
    }

    .navbar-nav .dropdown-item {
        padding: var(--space-2) var(--space-3);
        text-align: right;
        border-radius: var(--radius-sm);
    }

    [dir="ltr"] .navbar-nav .dropdown-item {
        text-align: left;
    }

    .navbar-nav .dropdown-item:hover {
        background-color: rgba(0, 0, 0, 0.05);
    }

    /* Dropdown toggle arrow animation */
    .navbar-nav .dropdown-toggle::after {
        transition: transform 0.3s ease;
    }

    .navbar-nav .dropdown.show .dropdown-toggle::after {
        transform: rotate(180deg);
    }

    /* Stack buttons vertically */
    .navbar-nav .btn {
        width: 100%;
        margin: var(--space-1) 0;
        text-align: center;
    }
}

.dropdown-menu {
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    z-index: 1050;
    min-width: 160px;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--color-gray-50);
    color: var(--color-primary);
}

/* Language Dropdown Fix */
.navbar .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    transform: none !important;
    margin-top: 0.5rem;
}

[dir="rtl"] .navbar .dropdown-menu-end {
    right: auto !important;
    left: 0 !important;
}

[dir="ltr"] .navbar .dropdown-menu-end {
    left: auto !important;
    right: 0 !important;
}

/* ==================== Hero Section ==================== */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to bottom, #ffffff 0%, var(--color-gray-50) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: -400px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-6);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-text {
    max-width: 800px;
    width: 100%;
}

.hero-eyebrow {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-gray-900);
    color: #ffffff;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 100px;
    margin-bottom: var(--space-4);
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-7xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
    font-style: italic;
}

.hero-subtitle {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    justify-content: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background-color: transparent;
    color: var(--color-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-gray-300);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    height: 600px;
}

.hero-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    height: 100%;
}

.hero-image-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-gray-100);
    transition: transform var(--transition-base);
}

.hero-image-item:hover {
    transform: scale(1.02);
}

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

/* Hide placeholder images in hero section */
.hero-image-item img[src*="placeholder"] {
    display: none;
}

.hero-image-item:has(img[src*="placeholder"]) {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-50) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-item:has(img[src*="placeholder"])::before {
    content: '🎨';
    font-size: 64px;
    opacity: 0.15;
}

.hero-image-item:nth-child(1) {
    grid-row: 1 / 3;
}

.hero-floating-badge {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    padding: var(--space-4) var(--space-5);
    background-color: #ffffff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
}

.badge-number {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    display: block;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.badge-label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================== Section Layouts ==================== */
.section {
    padding: var(--space-16) var(--space-6);
}

.section-dark {
    background-color: var(--color-gray-900);
    color: #ffffff;
}

.section-gray {
    background-color: var(--color-gray-50);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Wider container for order wizard */
.wizard-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.section-dark .section-title {
    color: #ffffff;
}

.section-dark .section-subtitle {
    color: var(--color-gray-400);
}

/* ==================== Featured Artworks Grid ==================== */
.artworks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

.artwork-card {
    background-color: #ffffff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    border: var(--border-width) solid transparent;
    position: relative;
}

.artwork-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-gray-200);
}

.artwork-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background-color: var(--color-gray-100);
}

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

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

.artwork-badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    color: #ffffff;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 100px;
}

.artwork-info {
    padding: var(--space-4);
}

.artwork-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.artwork-artist {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
}

.artwork-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-3);
    border-top: var(--border-width) solid var(--color-gray-200);
}

.artwork-price {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.btn-view {
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-view:hover {
    background-color: var(--color-primary-soft);
    transform: translateY(-1px);
}

/* ==================== Categories Section ==================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.category-card {
    padding: var(--space-6) var(--space-4);
    background-color: #ffffff;
    border: var(--border-width) solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.category-card:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.category-card:hover .category-icon {
    background-color: rgba(255, 255, 255, 0.2);
}

.category-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    transition: color var(--transition-base);
}

.category-card:hover .category-name {
    color: #ffffff;
}

.category-count {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    transition: color var(--transition-base);
}

.category-card:hover .category-count {
    color: rgba(255, 255, 255, 0.8);
}

/* ==================== Auctions Section ==================== */
.auctions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-6);
}

.auction-card {
    background-color: #ffffff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    border: var(--border-width) solid transparent;
}

.auction-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-gray-200);
}

.auction-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-gray-100);
}

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

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

.auction-badge-live {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-success);
    color: #ffffff;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.live-dot {
    width: 6px;
    height: 6px;
    background-color: #ffffff;
    border-radius: 50%;
    animation: pulse-live 1.5s ease-in-out infinite;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.auction-info {
    padding: var(--space-4);
}

.auction-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.auction-artist {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.auction-bid-info {
    background-color: var(--color-gray-50);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
}

.bid-label {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-1);
}

.bid-amount {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.auction-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
}

.btn-bid {
    width: 100%;
    padding: var(--space-3);
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: block;
}

.btn-bid:hover {
    background-color: var(--color-primary-soft);
    transform: translateY(-1px);
}

/* ==================== CTA Section ==================== */
.cta-section {
    padding: var(--space-20) var(--space-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -300px;
    right: -300px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
    letter-spacing: -0.01em;
}

.cta-subtitle {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background-color: #ffffff;
    color: var(--color-primary);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

/* ==================== Stats Section ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    text-align: center;
}

.stat-item {
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--text-6xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

.section-dark .stat-number {
    color: #ffffff;
}

.section-dark .stat-label {
    color: var(--color-gray-400);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .hero-visual {
        height: 400px;
    }

    .hero-title {
        font-size: var(--text-5xl);
    }

    .section-title {
        font-size: var(--text-4xl);
    }

    .cta-title {
        font-size: var(--text-5xl);
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: var(--space-10) 0;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-description {
        font-size: var(--text-base);
    }

    .hero-subtitle {
        font-size: var(--text-lg);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    /* Hide hero visual on mobile for cleaner look */
    .hero-visual {
        display: none;
    }

    .hero-text {
        max-width: 100%;
        text-align: center;
    }

    .hero-content {
        padding: var(--space-8) var(--space-4);
    }

    .section {
        padding: var(--space-10) var(--space-4);
    }

    .section-title {
        font-size: var(--text-3xl);
    }

    .artworks-grid,
    .auctions-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-section {
        padding: var(--space-12) var(--space-4);
    }

    .cta-title {
        font-size: var(--text-4xl);
    }
}

/* ==================== RTL Support ==================== */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .hero-content {
    direction: rtl;
}

[dir="rtl"] .hero-actions {
    flex-direction: row-reverse;
}

[dir="rtl"] .artwork-badge,
[dir="rtl"] .auction-badge-live {
    right: auto;
    left: var(--space-3);
}

[dir="rtl"] .artwork-footer {
    flex-direction: row-reverse;
}

/* ==================== Print Styles ==================== */
@media print {
    .hero-section,
    .cta-section {
        page-break-inside: avoid;
    }
}