/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --success: #10b981;
    --error: #ef4444;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --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;
    color: var(--gray-800);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border: 2px solid var(--gray-200);
}

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

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

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

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

.btn-amazon {
    background: linear-gradient(135deg, #ff9900 0%, #ff6600 100%);
    color: var(--white);
}

.btn-amazon:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

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

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

.logo-text {
    font-family: 'Playfair Display', serif;
    color: var(--gray-900);
}

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

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

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
    position: relative;
}

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

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

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

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

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

.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);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 10rem 0 6rem;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, #e0e7ff 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: 5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

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

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

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    font-family: 'Playfair Display', serif;
}

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

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

.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
}

.category-card:hover,
.category-card.active {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.category-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
}

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

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

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

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

.view-btn {
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--gray-400);
    transition: var(--transition);
}

.view-btn:hover,
.view-btn.active {
    color: var(--primary);
    background: var(--gray-100);
}

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

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

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

.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: 50px;
    z-index: 10;
}

.product-badge.best-seller {
    background: var(--success);
}

.product-badge.premium {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

.product-image {
    position: relative;
    height: 220px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-placeholder {
    font-size: 4rem;
}

.compare-checkbox {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 24px;
    height: 24px;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.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: 14px;
    font-weight: bold;
}

.product-content {
    padding: 1.5rem;
}

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

.product-title {
    font-size: 1.125rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    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-500);
}

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

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

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

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

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

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

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

.products-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.table-product-image {
    width: 60px;
    height: 60px;
    background: var(--gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.table-product-name {
    font-weight: 600;
    color: var(--gray-900);
}

.table-check {
    color: var(--success);
    font-weight: bold;
}

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

/* Quiz Section */
.quiz-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--secondary) 0%, #1e3a5f 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-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.quiz-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.quiz-subtitle {
    color: var(--gray-600);
}

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

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50px;
    transition: width 0.3s ease;
    width: 20%;
}

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

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

.quiz-question h3 {
    font-size: 1.25rem;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

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

.quiz-option {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    background: var(--white);
    border-color: var(--gray-200);
}

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

.quiz-option input {
    display: none;
}

.quiz-option-radio {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    margin-right: 1rem;
    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-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
}

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

.quiz-results h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
}

.quiz-results-cards {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.quiz-result-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    text-align: left;
}

.quiz-result-image {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.quiz-result-info {
    flex: 1;
}

.quiz-result-name {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

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

/* Compare Section */
.compare-section {
    padding: 6rem 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: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

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

.compare-clear {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--gray-600);
    transition: var(--transition);
}

.compare-clear:hover {
    background: var(--error);
    color: var(--white);
}

.compare-table-wrapper {
    overflow-x: auto;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

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

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

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

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

.compare-product-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.compare-product-image {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.compare-product-name {
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
}

/* SEO Content */
.seo-content {
    padding: 6rem 0;
    background: var(--gray-50);
}

.seo-article {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.seo-article h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.seo-article h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--gray-800);
}

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

.seo-article ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

.seo-article li {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.seo-article strong {
    color: var(--gray-800);
}

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

.newsletter-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter h2 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.newsletter p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form .btn {
    background: var(--accent);
}

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

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

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

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

.footer-brand p {
    line-height: 1.7;
}

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

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    padding: 0.35rem 0;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.affiliate-disclosure {
    font-size: 0.75rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-900);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: transform 0.3s ease;
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

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

    .hero {
        padding: 8rem 0 4rem;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

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

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

    .section-title {
        font-size: 2rem;
    }

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

    .quiz-container {
        padding: 1.5rem;
    }

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

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

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

    .newsletter-form {
        flex-direction: column;
    }

    .seo-article {
        padding: 1.5rem;
    }
}

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

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

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .category-card {
        padding: 1rem 0.5rem;
    }

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

    .category-name {
        font-size: 0.75rem;
    }

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeIn 0.5s ease forwards;
}

.product-card:nth-child(2) { animation-delay: 0.1s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.3s; }
.product-card:nth-child(5) { animation-delay: 0.4s; }
.product-card:nth-child(6) { animation-delay: 0.5s; }

/* ============================================
   MULTI-PAGE AUTHORITY SITE STYLES
   ============================================ */

/* Page Layout */
.page-content {
    padding-top: 72px;
    min-height: calc(100vh - 200px);
}

/* Page Hero (for interior pages) */
.page-hero {
    background: linear-gradient(135deg, var(--gray-50) 0%, #e0e7ff 100%);
    padding: 5rem 0 4rem;
    text-align: center;
    margin-bottom: 4rem;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.page-hero .lead {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.breadcrumb a {
    color: var(--primary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--gray-400);
}

/* Latest Guides Section */
.latest-guides {
    padding: 6rem 0;
    background: var(--white);
}

.latest-guides .section-title {
    margin-bottom: 0.5rem;
}

.latest-guides .section-subtitle {
    margin-bottom: 3rem;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.guide-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

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

.guide-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary) 0%, #1e3a5f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.guide-card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.guide-card-content {
    padding: 2rem;
}

.guide-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.guide-card h3 {
    font-size: 1.25rem;
    font-family: 'Playfair Display', serif;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
    line-height: 1.3;
}

.guide-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.guide-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.guide-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.read-more:hover {
    gap: 0.75rem;
}

/* Blog Index Page */
.blog-header {
    padding: 5rem 0 3rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, #e0e7ff 100%);
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
    padding: 4rem 0 6rem;
}

/* Article Page Styles */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem 6rem;
}

.article-header {
    text-align: center;
    padding: 5rem 0 3rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, #e0e7ff 100%);
    margin-bottom: 3rem;
}

.article-header h1 {
    font-size: 2.75rem;
    line-height: 1.2;
    max-width: 900px;
    margin: 0 auto 1.5rem;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    color: var(--gray-500);
    font-size: 0.9375rem;
}

.article-meta .author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-meta .author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.article-content {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--gray-700);
}

.article-content h2 {
    font-size: 1.875rem;
    margin: 3rem 0 1.5rem;
    color: var(--gray-900);
}

.article-content h3 {
    font-size: 1.375rem;
    margin: 2.5rem 0 1rem;
    color: var(--gray-800);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.article-content strong {
    color: var(--gray-900);
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

/* Info Box */
.info-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid var(--primary);
    padding: 1.75rem 2rem;
    margin: 2.5rem 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.info-box.tip {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-left-color: var(--success);
}

.info-box.warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-left-color: var(--accent);
}

.info-box-title {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-box p {
    margin: 0;
    font-size: 1rem;
    color: var(--gray-700);
}

/* Key Takeaway Card */
.key-takeaway {
    background: var(--gray-900);
    color: var(--white);
    padding: 2rem 2.5rem;
    border-radius: var(--radius-lg);
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
}

.key-takeaway::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 60%);
}

.key-takeaway h4 {
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 1rem;
}

.key-takeaway p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin: 0;
    position: relative;
    z-index: 1;
}

/* Author Bio */
.author-bio {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 4rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.author-bio-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    font-weight: 600;
    flex-shrink: 0;
}

.author-bio-content h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-bio-content .author-title {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.author-bio-content p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

/* About Page */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
}

.about-content h2 {
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
    color: var(--gray-900);
}

.about-content p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.about-content ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.about-content li {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 0.75rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.team-member {
    text-align: center;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.team-member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

.team-member h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.team-member .role {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.team-member p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Contact Page */
.contact-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-method h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact-method p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin: 0;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

.contact-form-wrapper h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
    color: var(--gray-900);
}

.legal-content h3 {
    font-size: 1.25rem;
    margin: 2rem 0 0.75rem;
    color: var(--gray-800);
}

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

.legal-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.legal-content li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.legal-content .last-updated {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
    margin-bottom: 2rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--secondary) 0%, #1e3a5f 100%);
    padding: 5rem 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Internal Link Styles */
.internal-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.internal-link:hover {
    color: var(--primary-dark);
    gap: 0.75rem;
}

/* Related Articles */
.related-articles {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-200);
}

.related-articles h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.related-card {
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.related-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.related-card h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.related-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

/* Responsive Additions */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2.25rem;
    }

    .article-header h1 {
        font-size: 2rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 1rem;
    }

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

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

    .author-bio {
        flex-direction: column;
        text-align: center;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-section h2 {
        font-size: 1.875rem;
    }
}

@media (max-width: 480px) {
    .page-hero {
        padding: 4rem 0 3rem;
    }

    .article-container {
        padding: 0 1rem 4rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .key-takeaway {
        padding: 1.5rem;
    }

    .info-box {
        padding: 1.25rem 1.5rem;
    }
}