/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --lighter: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--lighter);
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hidden {
    display: none !important;
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

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

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

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

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--gray);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-link:hover {
    color: var(--dark);
}

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

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

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

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

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

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-amazon {
    background: linear-gradient(135deg, #ff9900, #ff6600);
    color: var(--white);
}

.btn-amazon:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
    color: var(--white);
}

/* ===== Hero Section ===== */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--dark), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

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

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

/* ===== Categories ===== */
.categories {
    padding: 2rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--light);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.category-pills {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.category-pills::-webkit-scrollbar {
    display: none;
}

.category-pill {
    flex-shrink: 0;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray);
    background: var(--light);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.category-pill:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.category-pill.active {
    color: var(--white);
    background: var(--primary);
}

/* ===== Products Section ===== */
.products-section {
    padding: 4rem 0;
}

.section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

.section-header p {
    color: var(--gray);
    width: 100%;
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
    background: var(--light);
    padding: 0.25rem;
    border-radius: var(--radius);
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 36px;
    color: var(--gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

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

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

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

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

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    overflow: hidden;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-full);
}

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

.badge-new {
    background: var(--success);
    color: var(--white);
}

.badge-sale {
    background: var(--danger);
    color: var(--white);
}

.compare-checkbox {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

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

.compare-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
}

.compare-checkbox.checked::after {
    content: '✓';
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
}

.product-content {
    padding: 1.5rem;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

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

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

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

.product-price .price-range {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray);
}

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

.feature-tag {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    background: var(--light);
    color: var(--gray);
    border-radius: var(--radius-full);
}

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

.product-actions .btn {
    flex: 1;
}

/* Products Table */
.products-table-container {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

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

.products-table th,
.products-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--light);
}

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

.products-table tbody tr:hover {
    background: var(--lighter);
}

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

.product-cell-image {
    width: 60px;
    height: 60px;
    background: var(--light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.product-cell-info {
    min-width: 0;
}

.product-cell-name {
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table-rating {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.table-compare-btn {
    width: 28px;
    height: 28px;
    background: var(--light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition);
}

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

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

/* ===== 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: 3rem;
    box-shadow: var(--shadow-xl);
}

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

.quiz-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

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

.progress-bar {
    height: 6px;
    background: var(--light);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 25%;
}

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

.quiz-question {
    display: none;
}

.quiz-question.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.quiz-question h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.quiz-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--lighter);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary-light);
    background: rgba(99, 102, 241, 0.05);
}

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

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

.option-text {
    font-weight: 500;
    color: var(--dark);
}

.quiz-results {
    text-align: center;
}

.quiz-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.results-subtitle {
    color: var(--gray);
    margin-bottom: 2rem;
}

.results-products {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.result-product {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--lighter);
    border-radius: var(--radius-lg);
    text-align: left;
}

.result-product-image {
    width: 60px;
    height: 60px;
    background: var(--light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.result-product-info {
    flex: 1;
    min-width: 0;
}

.result-product-name {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.result-product-match {
    font-size: 0.875rem;
    color: var(--success);
    font-weight: 500;
}

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

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

.compare-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.compare-slot {
    aspect-ratio: 1;
    background: var(--lighter);
    border: 2px dashed var(--light);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.compare-slot:hover {
    border-color: var(--primary-light);
    background: rgba(99, 102, 241, 0.05);
}

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

.slot-empty {
    text-align: center;
    color: var(--gray);
}

.slot-icon {
    display: block;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.slot-text {
    font-weight: 500;
}

.slot-product {
    width: 100%;
    height: 100%;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.slot-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    background: var(--danger);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.slot-remove:hover {
    transform: scale(1.1);
}

.slot-image {
    width: 80px;
    height: 80px;
    background: var(--light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.slot-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.875rem;
}

.compare-table-container {
    background: var(--lighter);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

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

.compare-table th,
.compare-table td {
    padding: 1rem 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--light);
}

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

.compare-table thead th {
    background: var(--white);
    font-weight: 600;
}

.compare-table .product-header {
    font-size: 0.875rem;
}

.compare-highlight {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-weight: 600;
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--light);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gray);
    transition: all var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(80vh - 70px);
}

.modal-products {
    display: grid;
    gap: 0.75rem;
}

.modal-product {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--lighter);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
}

.modal-product:hover {
    background: rgba(99, 102, 241, 0.1);
}

.modal-product-image {
    width: 50px;
    height: 50px;
    background: var(--light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.modal-product-name {
    font-weight: 500;
    color: var(--dark);
}

/* ===== SEO Section ===== */
.seo-section {
    padding: 4rem 0;
    background: var(--lighter);
}

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

.seo-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.seo-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--dark);
}

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

.seo-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.seo-content li {
    color: var(--gray);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.seo-content a {
    color: var(--primary);
    font-weight: 500;
}

.seo-content a:hover {
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.footer-brand p {
    color: var(--gray-light);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    color: var(--gray-light);
}

.footer-column a {
    display: block;
    color: var(--white);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    transition: color var(--transition);
}

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

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

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

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav {
        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(--light);
    }

    .nav.open {
        display: flex;
    }

    .nav-link {
        padding: 1rem;
        width: 100%;
    }

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

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .quiz-container {
        padding: 2rem 1.5rem;
    }

    .quiz-options {
        grid-template-columns: 1fr;
    }

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

    .compare-slot {
        aspect-ratio: auto;
        padding: 1.5rem;
    }

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

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

    .products-table th:nth-child(3),
    .products-table td:nth-child(3),
    .products-table th:nth-child(4),
    .products-table td:nth-child(4) {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

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

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