/* ========================================
   Best Cider Australia - Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #c4a35a;
    --color-primary-dark: #a88b3d;
    --color-primary-light: #e8d9a8;
    --color-secondary: #2d4a3e;
    --color-secondary-light: #3d6454;
    --color-accent: #d64545;

    --color-bg: #faf9f7;
    --color-bg-alt: #ffffff;
    --color-bg-dark: #1a1a1a;

    --color-text: #2c2c2c;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-text-inverse: #ffffff;

    --color-border: #e5e5e5;
    --color-border-light: #f0f0f0;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #2d4a3e 0%, #1a2f28 50%, #0f1a15 100%);
    --gradient-gold: linear-gradient(135deg, #c4a35a 0%, #e8d9a8 50%, #c4a35a 100%);

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text-inverse);
    border: 2px solid var(--color-text-inverse);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-amazon {
    background: #ff9900;
    color: #111;
    font-weight: 600;
}

.btn-amazon:hover {
    background: #e88a00;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-inverse);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text .au {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-text-inverse);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-inverse);
    transition: all var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c4a35a' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    padding: var(--space-3xl) var(--container-padding);
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--color-text-inverse);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-subtitle {
    display: block;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--space-sm);
    font-family: var(--font-body);
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: var(--space-sm) auto 0;
    border-left: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Products Section
   ======================================== */
.products-section {
    background: var(--color-bg-alt);
}

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

.filter-tab {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

.filter-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-dark);
}

/* View Toggle */
.view-toggle {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.view-btn {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.view-btn:hover {
    background: var(--color-border-light);
    color: var(--color-text);
}

.view-btn.active {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

/* Product Card */
.product-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image .product-emoji {
    font-size: 5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.product-badge.bestseller {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

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

.product-content {
    padding: var(--space-lg);
}

.product-category {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xs);
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    font-family: var(--font-heading);
}

.product-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.product-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

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

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.stars {
    color: #ffc107;
    letter-spacing: 2px;
}

.rating-count {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.product-price .currency {
    font-size: 1rem;
    font-weight: 500;
}

.product-actions {
    display: flex;
    gap: var(--space-sm);
}

.btn-compare {
    padding: 0.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

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

.btn-compare.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-dark);
}

/* Products Table */
.products-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-alt);
}

.products-table th,
.products-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.products-table th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
}

.products-table tr:hover {
    background: var(--color-bg);
}

.table-product {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.table-product-icon {
    font-size: 2rem;
}

.table-product-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.table-product-info p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.table-rating {
    color: #ffc107;
}

.table-sweetness {
    display: flex;
    gap: 2px;
}

.sweetness-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
}

.sweetness-dot.filled {
    background: var(--color-primary);
}

/* ========================================
   Quiz Section
   ======================================== */
.quiz-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.quiz-start {
    padding: var(--space-3xl);
    text-align: center;
}

.quiz-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.quiz-start h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
    color: var(--color-secondary);
}

.quiz-start p {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.quiz-questions {
    padding: var(--space-2xl);
}

.quiz-progress {
    margin-bottom: var(--space-xl);
}

.progress-bar {
    height: 6px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.progress-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.quiz-question h4 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: var(--color-secondary);
}

.quiz-options {
    display: grid;
    gap: var(--space-md);
}

.quiz-option {
    padding: var(--space-lg);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: left;
    font-size: 1rem;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.quiz-option:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.quiz-option .option-icon {
    font-size: 1.5rem;
}

.quiz-results {
    padding: var(--space-3xl);
    text-align: center;
}

.results-header {
    margin-bottom: var(--space-xl);
}

.results-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-md);
}

.results-header h3 {
    font-size: 1.75rem;
    color: var(--color-secondary);
}

.recommended-product {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.recommended-product .product-emoji {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

.recommended-product h4 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-secondary);
}

.recommended-product p {
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.match-score {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

/* ========================================
   Compare Section
   ======================================== */
.compare-section {
    background: var(--color-bg);
}

.compare-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.compare-slot {
    min-height: 250px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.compare-slot.filled {
    border-style: solid;
    border-color: var(--color-primary);
}

.compare-slot .filled-content {
    text-align: center;
    padding: var(--space-lg);
    width: 100%;
}

.compare-slot .product-emoji {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.compare-slot h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.compare-slot .remove-btn {
    margin-top: var(--space-md);
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.compare-slot .remove-btn:hover {
    background: var(--color-accent);
    color: white;
}

.add-to-compare-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.add-to-compare-btn:hover {
    color: var(--color-primary);
}

.plus-icon {
    width: 48px;
    height: 48px;
    border: 2px dashed currentColor;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.comparison-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

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

.comparison-table th,
.comparison-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    background: var(--color-bg);
    color: var(--color-text-light);
    width: 150px;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight {
    background: var(--color-primary-light);
    font-weight: 600;
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-size: 1.25rem;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: var(--space-lg);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-search {
    margin-bottom: var(--space-lg);
}

.modal-search input {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.modal-products {
    display: grid;
    gap: var(--space-sm);
}

.modal-product-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.modal-product-item:hover {
    background: var(--color-bg);
}

.modal-product-item .product-emoji {
    font-size: 2rem;
}

.modal-product-item h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.modal-product-item p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--color-bg-alt);
    padding: var(--space-3xl) 0;
}

.about-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--color-secondary);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-text h3 {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin: var(--space-xl) 0 var(--space-md);
}

.about-text p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about-text strong {
    color: var(--color-text);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-md);
}

.feature-card h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    color: var(--color-secondary);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    margin-top: var(--space-md);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.footer-column ul {
    display: grid;
    gap: var(--space-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.affiliate-disclosure {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        order: -1;
    }

    .compare-slots {
        grid-template-columns: 1fr 1fr;
    }

    .compare-slot:last-child {
        grid-column: span 2;
    }
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(26, 26, 26, 0.98);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-stats {
        gap: var(--space-xl);
    }

    .stat-number {
        font-size: 2rem;
    }

    .compare-slots {
        grid-template-columns: 1fr;
    }

    .compare-slot:last-child {
        grid-column: auto;
    }

    .compare-slot {
        min-height: 180px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-brand {
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-brand p {
        max-width: none;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
        text-align: center;
    }

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

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

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--space-sm);
        -webkit-overflow-scrolling: touch;
    }

    .filter-tab {
        flex-shrink: 0;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero,
    .quiz-section,
    .compare-section,
    .back-to-top,
    .footer {
        display: none;
    }

    .products-section {
        padding-top: 0;
    }

    .product-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}