/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;

    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;

    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark);
    color: var(--gray-100);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

button {
    cursor: pointer;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hidden {
    display: none !important;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

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

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-300);
    transition: var(--transition-fast);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

.btn-amazon:hover {
    background: #ffad33;
    transform: translateY(-2px);
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.section-header p {
    color: var(--gray-400);
    font-size: 1.125rem;
}

/* ===== Products Section ===== */
.products-section {
    padding: 6rem 0;
    background: var(--dark-light);
}

.filters {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-400);
}

.filter-group select {
    padding: 0.625rem 2.5rem 0.625rem 1rem;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    color: var(--white);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: var(--transition-fast);
}

.filter-group select:hover {
    border-color: var(--gray-600);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.view-btn:hover {
    color: var(--white);
    border-color: var(--gray-600);
}

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

/* ===== Product Grid ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.product-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    overflow: hidden;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius);
    text-transform: uppercase;
}

.product-badge.pump {
    background: var(--gradient-secondary);
}

.product-badge.natural {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.product-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-brand {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-light);
    margin-bottom: 0.25rem;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
    line-height: 1.5;
    flex: 1;
}

.product-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius);
}

.product-stat {
    text-align: center;
}

.product-stat-value {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
}

.product-stat-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--gray-500);
    letter-spacing: 0.05em;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

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

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.product-actions {
    display: flex;
    gap: 0.75rem;
}

.product-actions .btn {
    flex: 1;
    padding: 0.75rem;
}

.compare-btn {
    background: transparent;
    border: 1px solid var(--gray-600);
    color: var(--gray-300);
}

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

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

/* ===== Product Table ===== */
.products-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--gray-800);
}

.products-table th,
.products-table td {
    padding: 1rem 1.25rem;
    text-align: left;
}

.products-table th {
    background: var(--gray-900);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    white-space: nowrap;
}

.products-table td {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.products-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.table-product {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.table-product-icon {
    width: 48px;
    height: 48px;
    background: var(--gray-700);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.table-product-name {
    font-weight: 600;
    color: var(--white);
}

.table-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-stars {
    color: var(--accent);
}

/* ===== Quiz Section ===== */
.quiz-section {
    padding: 6rem 0;
    background: var(--dark);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
}

.quiz-start,
.quiz-results {
    text-align: center;
    padding: 3rem;
    background: var(--gray-800);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.quiz-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.quiz-start h3,
.quiz-results h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.quiz-start p {
    color: var(--gray-400);
    margin-bottom: 2rem;
}

/* Quiz Progress */
.quiz-progress {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 6px;
    background: var(--gray-700);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Quiz Questions */
.quiz-questions {
    padding: 2rem;
    background: var(--gray-800);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.question-container h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-align: center;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--gray-700);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    width: 100%;
    color: var(--gray-200);
    font-size: 1rem;
}

.quiz-option:hover {
    background: var(--gray-600);
    border-color: var(--gray-500);
}

.quiz-option.selected {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}

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

/* Quiz Results */
.results-header {
    margin-bottom: 2rem;
}

.results-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.recommended-products {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.recommended-product {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--gray-700);
    border-radius: var(--radius-lg);
    text-align: left;
}

.recommended-rank {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.recommended-rank.gold {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #111;
}

.recommended-rank.silver {
    background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
}

.recommended-rank.bronze {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.recommended-info {
    flex: 1;
}

.recommended-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.recommended-info p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.recommended-product .btn {
    flex-shrink: 0;
}

/* ===== Compare Section ===== */
.compare-section {
    padding: 6rem 0;
    background: var(--dark-light);
}

.compare-container {
    min-height: 300px;
}

.compare-empty {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--gray-800);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--gray-600);
}

.compare-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.compare-empty h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.compare-empty p {
    color: var(--gray-500);
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.compare-card {
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.compare-card-header {
    padding: 1.5rem;
    background: var(--gray-900);
    text-align: center;
    position: relative;
}

.compare-remove {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--gray-400);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.compare-remove:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.compare-card-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.compare-card-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
}

.compare-card-brand {
    font-size: 0.75rem;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.compare-card-body {
    padding: 1.5rem;
}

.compare-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.compare-row:last-child {
    border-bottom: none;
}

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

.compare-value {
    font-weight: 600;
    color: var(--white);
}

.compare-card-footer {
    padding: 1rem 1.5rem 1.5rem;
}

#clearCompareBtn {
    display: block;
    margin: 0 auto;
}

/* ===== SEO Section ===== */
.seo-section {
    padding: 6rem 0;
    background: var(--dark);
}

.seo-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--white);
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.seo-article {
    padding: 2rem;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.seo-article h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.seo-article p {
    color: var(--gray-400);
    line-height: 1.7;
}

.seo-article strong {
    color: var(--gray-200);
}

.seo-cta {
    text-align: center;
    padding: 2rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.seo-cta p {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: 1.5rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-500);
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-500);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.affiliate-disclosure {
    font-size: 0.75rem !important;
    color: var(--gray-600) !important;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 1rem 2rem;
    background: var(--gray-800);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .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: 2rem;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .view-toggle {
        margin-left: 0;
        justify-content: center;
    }

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

    .recommended-product {
        flex-direction: column;
        text-align: center;
    }

    .recommended-product .btn {
        width: 100%;
    }

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

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

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

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

    .product-actions {
        flex-direction: column;
    }

    .quiz-start,
    .quiz-results,
    .quiz-questions {
        padding: 1.5rem;
    }
}