/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #64748b;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --dark: #1e293b;
    --gray-900: #0f172a;
    --gray-800: #1e293b;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition: all 0.2s 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;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

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

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-800);
}

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

.btn-accent:hover {
    background: #d97706;
    color: var(--white);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Section Titles */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 2rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
}

.logo:hover {
    color: var(--gray-900);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    color: var(--gray-600);
    font-weight: 500;
}

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

/* Hero */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--primary-light) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

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

.rack-illustration {
    width: 300px;
    height: 350px;
    position: relative;
}

.rack-frame {
    position: absolute;
    width: 100%;
    height: 100%;
}

.rack-frame::before,
.rack-frame::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 100%;
    background: linear-gradient(180deg, var(--gray-400) 0%, var(--gray-500) 100%);
    border-radius: 4px;
}

.rack-frame::before {
    left: 20%;
}

.rack-frame::after {
    right: 20%;
}

.rack-bar {
    position: absolute;
    top: 15%;
    left: 20%;
    right: 20%;
    height: 8px;
    background: linear-gradient(90deg, var(--gray-400) 0%, var(--gray-500) 50%, var(--gray-400) 100%);
    border-radius: 4px;
}

.hanger {
    position: absolute;
    width: 60px;
    height: 80px;
    border: 4px solid var(--primary);
    border-radius: 0 0 30px 30px;
    border-top: none;
    animation: swing 3s ease-in-out infinite;
}

.hanger::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
}

.hanger-1 {
    top: 18%;
    left: 25%;
    animation-delay: 0s;
}

.hanger-2 {
    top: 18%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0.5s;
}

.hanger-3 {
    top: 18%;
    right: 25%;
    animation-delay: 1s;
}

@keyframes swing {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

.hanger-2 {
    animation-name: swing2;
}

@keyframes swing2 {
    0%, 100% { transform: translateX(-50%) rotate(-2deg); }
    50% { transform: translateX(-50%) rotate(2deg); }
}

/* Categories */
.categories {
    padding: 4rem 0;
    background: var(--white);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.category-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.category-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.category-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.category-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.category-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Products */
.products {
    padding: 4rem 0;
    background: var(--gray-50);
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.products-header .section-title {
    text-align: left;
    margin-bottom: 0;
}

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

.view-btn {
    padding: 0.5rem;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--gray-500);
    transition: var(--transition);
}

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

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

.products-filters {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
}

.filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: var(--white);
    font-size: 0.875rem;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-image {
    aspect-ratio: 4/3;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--accent);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.product-compare {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

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

.product-content {
    padding: 1.25rem;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-feature {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius-sm);
}

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

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

.rating-count {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.product-price .currency {
    font-size: 0.875rem;
    font-weight: 500;
}

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

/* Products Table */
.products-table-wrapper {
    overflow-x: auto;
}

.products-table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border-collapse: collapse;
}

.products-table th,
.products-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.products-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.products-table td {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.products-table tr:hover {
    background: var(--gray-50);
}

.table-product-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.table-product-icon {
    font-size: 1.5rem;
}

.table-product-name {
    font-weight: 500;
    color: var(--gray-800);
}

.table-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.hidden {
    display: none !important;
}

/* Quiz Section */
.quiz-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
}

.quiz-header {
    text-align: center;
    margin-bottom: 2rem;
}

.quiz-header h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.quiz-header p {
    color: var(--gray-500);
}

.quiz-progress {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
    width: 20%;
}

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

.quiz-content {
    margin-bottom: 2rem;
}

.quiz-question {
    margin-bottom: 1.5rem;
}

.quiz-question h3 {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.quiz-options {
    display: grid;
    gap: 0.75rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

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

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

.quiz-option input {
    display: none;
}

.quiz-option-radio {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-400);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.quiz-option.selected .quiz-option-radio {
    border-color: var(--primary);
}

.quiz-option.selected .quiz-option-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

.quiz-option-text {
    font-weight: 500;
    color: var(--gray-700);
}

.quiz-nav {
    display: flex;
    justify-content: space-between;
}

.quiz-result {
    text-align: center;
    padding: 2rem 0;
}

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

.quiz-result h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.result-product {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: left;
}

.result-product-image {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.result-product-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.result-product-desc {
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.result-product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

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

/* Compare Section */
.compare-section {
    padding: 4rem 0;
    background: var(--white);
}

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

.compare-slot {
    position: relative;
}

.compare-select {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 1rem center;
}

.compare-select:focus {
    outline: none;
    border-color: var(--primary);
}

.compare-clear {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: var(--gray-200);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    color: var(--gray-500);
    display: none;
}

.compare-slot.has-selection .compare-clear {
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-table-wrapper {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.compare-table th,
.compare-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.compare-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--gray-50);
}

.compare-table td {
    color: var(--gray-700);
}

.compare-product-header {
    padding: 1rem;
}

.compare-product-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.compare-product-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
}

.compare-empty {
    text-align: center;
    padding: 3rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    color: var(--gray-500);
}

.compare-check {
    color: var(--success);
    font-weight: 600;
}

.compare-cross {
    color: var(--gray-400);
}

/* Guide Section */
.guide {
    padding: 4rem 0;
    background: var(--gray-50);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.guide-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.guide-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.guide-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.guide-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* SEO Content Section */
.seo-content {
    padding: 4rem 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.seo-content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.seo-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.seo-content p {
    margin-bottom: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.seo-content strong {
    color: var(--gray-700);
}

.seo-cta {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.seo-cta a {
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

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

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.6;
}

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

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.875rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.affiliate-disclosure {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.copyright {
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

    .hero-visual {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-md);
    }

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

    .nav-menu li {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--gray-100);
    }

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

    .category-card {
        padding: 1rem;
    }

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

    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .products-filters {
        flex-direction: column;
    }

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

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

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

    .quiz-container {
        padding: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

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

    .quiz-option {
        padding: 0.75rem;
    }
}