/* =====================================================
   Best Terrarium Australia - Styles
   Modern, Clean, Nature-Inspired Design
   ===================================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #2d5a3d;
    --color-primary-light: #3d7a52;
    --color-primary-dark: #1e3d29;
    --color-secondary: #8fbc8f;
    --color-accent: #c9a227;
    --color-accent-light: #dbb84a;

    /* Neutrals */
    --color-white: #ffffff;
    --color-off-white: #f9faf8;
    --color-light: #f0f4f1;
    --color-gray-100: #e8ece9;
    --color-gray-200: #d1d9d3;
    --color-gray-300: #a3b0a6;
    --color-gray-400: #6b7d70;
    --color-gray-500: #4a5a4e;
    --color-dark: #1a2e1f;
    --color-black: #0d1710;

    /* Typography */
    --font-display: '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;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* 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);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -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, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

/* =====================================================
   HEADER
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
    transition: var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

.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-dark);
    transition: var(--transition-base);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

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

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

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

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

.btn-small {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-light) 100%);
    overflow: hidden;
}

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

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-secondary);
    color: var(--color-primary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
    color: var(--color-primary);
    position: relative;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--color-secondary);
    opacity: 0.5;
    z-index: -1;
}

.hero p {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* Terrarium Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.terrarium-display {
    position: relative;
    width: 350px;
    height: 400px;
}

.terrarium-shape {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    height: 320px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(200,230,200,0.3) 100%);
    border: 2px solid rgba(45, 90, 61, 0.3);
    clip-path: polygon(20% 0%, 80% 0%, 100% 20%, 100% 100%, 0% 100%, 0% 20%);
    box-shadow:
        inset 0 0 60px rgba(143, 188, 143, 0.2),
        var(--shadow-xl);
}

.plant {
    position: absolute;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    animation: sway 4s ease-in-out infinite;
}

.plant-1 {
    width: 60px;
    height: 80px;
    background: linear-gradient(180deg, #4a7c59 0%, #2d5a3d 100%);
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.plant-2 {
    width: 40px;
    height: 55px;
    background: linear-gradient(180deg, #6b8e23 0%, #4a7c59 100%);
    bottom: 35px;
    left: 30%;
    animation-delay: -1s;
}

.plant-3 {
    width: 35px;
    height: 50px;
    background: linear-gradient(180deg, #8fbc8f 0%, #6b8e23 100%);
    bottom: 30px;
    right: 28%;
    animation-delay: -2s;
}

@keyframes sway {
    0%, 100% { transform: translateX(-50%) rotate(-2deg); }
    50% { transform: translateX(-50%) rotate(2deg); }
}

/* =====================================================
   SECTION COMMON STYLES
   ===================================================== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-light);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--color-gray-400);
}

/* =====================================================
   PRODUCTS SECTION
   ===================================================== */
.products-section {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

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

.filter-tab {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-400);
    background: var(--color-light);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

.filter-tab.active {
    color: var(--color-white);
    background: var(--color-primary);
}

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

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-gray-400);
    background: var(--color-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

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

/* 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-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary);
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image .terrarium-icon {
    font-size: 5rem;
    opacity: 0.9;
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

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

.compare-checkbox {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: var(--transition-fast);
}

.compare-checkbox:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.compare-checkbox input {
    accent-color: var(--color-primary);
}

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

.product-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.product-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-dark);
}

.product-description {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

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

.product-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px var(--space-sm);
    background: var(--color-light);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    border-radius: var(--radius-sm);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-100);
}

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

.stars {
    color: var(--color-accent);
    font-size: 0.875rem;
}

.rating-count {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

.product-price {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.product-link {
    display: block;
    width: 100%;
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.product-link:hover {
    background: var(--color-primary-light);
}

/* Products Table */
.products-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.products-table th,
.products-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.products-table th {
    background: var(--color-light);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

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

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

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

.products-table .table-link {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.products-table .table-link:hover {
    background: var(--color-primary-light);
}

/* =====================================================
   QUIZ SECTION
   ===================================================== */
.quiz-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-xl);
}

.quiz-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.quiz-header .section-badge {
    background: var(--color-secondary);
}

.quiz-progress {
    margin-bottom: var(--space-2xl);
}

.progress-bar {
    height: 6px;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
    width: 20%;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    text-align: center;
    display: block;
}

/* Quiz Questions */
.quiz-question {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.quiz-question h3 {
    text-align: center;
    margin-bottom: var(--space-xl);
    font-size: 1.5rem;
}

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

.quiz-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-light);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quiz-option:hover {
    background: var(--color-off-white);
    border-color: var(--color-secondary);
}

.quiz-option.selected {
    background: var(--color-off-white);
    border-color: var(--color-primary);
}

.option-icon {
    font-size: 2rem;
}

.option-content {
    flex: 1;
}

.option-title {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 2px;
}

.option-desc {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.quiz-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2xl);
}

.quiz-nav .btn {
    min-width: 120px;
}

/* Quiz Result */
.quiz-result {
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.quiz-result h3 {
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.quiz-result p {
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
}

.result-product {
    background: var(--color-light);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}

.result-product h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.result-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.result-features span {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* =====================================================
   COMPARE SECTION
   ===================================================== */
.compare-section {
    padding: var(--space-4xl) 0;
    background: var(--color-off-white);
}

.compare-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.compare-slot {
    min-height: 200px;
    background: var(--color-white);
    border: 2px dashed var(--color-gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.compare-slot:hover {
    border-color: var(--color-primary);
    background: var(--color-light);
}

.slot-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
    color: var(--color-gray-300);
}

.plus-icon {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: var(--space-sm);
}

.slot-product {
    padding: var(--space-lg);
    height: 100%;
}

.slot-product .slot-content {
    text-align: center;
}

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

.slot-product .product-name {
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.remove-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.remove-btn:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.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-gray-100);
}

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

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

.comparison-table th:first-child {
    background: var(--color-primary-dark);
}

.comparison-table .check {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.comparison-table .cross {
    color: var(--color-gray-300);
}

/* 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, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-gray-100);
}

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

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

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

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

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

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

.modal-product-item .product-icon {
    font-size: 2.5rem;
}

.modal-product-item .product-info {
    flex: 1;
}

.modal-product-item .product-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.modal-product-item .product-type {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* =====================================================
   GUIDE SECTION
   ===================================================== */
.guide-section {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.guide-card {
    padding: var(--space-xl);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.guide-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

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

.guide-card h3 {
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.guide-card p {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* =====================================================
   SEO SECTION
   ===================================================== */
.seo-section {
    padding: var(--space-4xl) 0;
    background: var(--color-light);
}

.seo-content {
    max-width: 900px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-xl);
    color: var(--color-primary);
}

.seo-content h3 {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-primary-dark);
}

.seo-content p {
    margin-bottom: var(--space-md);
    color: var(--color-gray-500);
    line-height: 1.8;
}

.seo-content strong {
    color: var(--color-dark);
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--color-dark);
    color: var(--color-gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.8;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.affiliate-disclosure {
    font-size: 0.8rem;
    opacity: 0.6;
    margin-bottom: var(--space-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.copyright {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

@media (max-width: 768px) {
    .nav {
        display: none;
    }

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

    .nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--space-lg);
        gap: var(--space-md);
        border-top: 1px solid var(--color-gray-100);
        box-shadow: var(--shadow-lg);
    }

    .filter-tabs {
        gap: var(--space-xs);
    }

    .filter-tab {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8rem;
    }

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

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

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

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

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

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

    .quiz-option {
        padding: var(--space-md);
    }

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