/* ===== CSS Variables ===== */
:root {
    --primary: #1a4b8c;
    --primary-dark: #0f3460;
    --primary-light: #2d6bc4;
    --secondary: #d4a853;
    --secondary-light: #e8c97a;
    --accent: #e85d4c;
    --background: #fafbfc;
    --surface: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --text-muted: #8888a4;
    --border: #e8e8ef;
    --border-light: #f4f4f8;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --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 -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: all 0.3s ease;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* ===== Utilities ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.hidden {
    display: none !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(26, 75, 140, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 75, 140, 0.5);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-accent {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    color: var(--text-primary);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 168, 83, 0.4);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

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

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

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

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f0fe 50%, #fef3e8 100%);
    overflow: hidden;
    padding-top: 72px;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 24px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

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

.hero-decoration {
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 75, 140, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
}

/* ===== Features Bar ===== */
.features-bar {
    background: var(--primary);
    padding: 20px 0;
}

.features-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
}

.feature-icon {
    font-size: 1.25rem;
}

.feature-text {
    font-weight: 500;
    font-size: 0.9rem;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===== Quiz Section ===== */
.quiz-section {
    padding: 100px 0;
    background: var(--surface);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.quiz-progress {
    margin-bottom: 32px;
}

.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.4s ease;
    width: 25%;
}

.progress-text {
    display: block;
    text-align: center;
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.quiz-question {
    text-align: center;
    margin-bottom: 32px;
}

.quiz-question h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.quiz-options {
    display: grid;
    gap: 12px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary);
    background: rgba(26, 75, 140, 0.02);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: rgba(26, 75, 140, 0.05);
}

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

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

.quiz-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
}

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

.quiz-result h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
}

.quiz-result p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.quiz-recommendations {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.quiz-recommendation {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--surface);
    border-radius: var(--radius);
    text-align: left;
}

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

.quiz-recommendation-info h4 {
    font-weight: 600;
    margin-bottom: 4px;
}

.quiz-recommendation-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* ===== Products Section ===== */
.products-section {
    padding: 100px 0;
    background: var(--background);
}

.products-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

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

.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--surface);
    padding: 4px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.view-btn {
    padding: 10px 12px;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

.product-image {
    position: relative;
    height: 240px;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

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

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

.product-compare-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    background: var(--surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.product-compare-btn:hover {
    transform: scale(1.1);
}

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

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-style {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

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

.product-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
}

.product-rating-stars {
    color: var(--secondary);
}

.product-rating-value {
    font-weight: 600;
    color: var(--text-primary);
}

.product-rating-count {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.product-actions {
    display: flex;
    gap: 8px;
}

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

/* Products Table */
.products-table {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

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

.products-table th {
    background: var(--background);
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.products-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.products-table tr:last-child td {
    border-bottom: none;
}

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

.table-product {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

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

.table-rating {
    display: flex;
    align-items: center;
    gap: 4px;
}

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

/* ===== Compare Section ===== */
.compare-section {
    padding: 100px 0;
    background: var(--surface);
}

.compare-container {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

.compare-empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 16px;
    opacity: 0.5;
}

.compare-table {
    width: 100%;
    overflow-x: auto;
}

.compare-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: center;
    border: 1px solid var(--border);
}

.compare-table th {
    background: var(--background);
    font-weight: 600;
    color: var(--text-secondary);
}

.compare-table th:first-child {
    text-align: left;
    width: 150px;
}

.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--background);
}

.compare-product-header {
    padding: 20px;
}

.compare-product-img {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    background: var(--border-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.compare-product-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 8px;
}

.compare-product-remove {
    font-size: 0.875rem;
    color: var(--accent);
    cursor: pointer;
}

.compare-product-remove:hover {
    text-decoration: underline;
}

#clearCompare {
    display: block;
    margin: 24px auto 0;
}

/* ===== SEO Section ===== */
.seo-section {
    padding: 100px 0;
    background: var(--background);
}

.seo-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.seo-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.seo-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.seo-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

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

/* ===== Footer ===== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
    max-width: 280px;
}

.footer-brand .logo {
    color: white;
}

.footer-brand .logo-au {
    color: var(--secondary);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.affiliate-disclosure {
    margin-top: 8px;
    font-size: 0.8rem !important;
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

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

    .hero-content {
        padding: 40px 24px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

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

    .features-grid {
        justify-content: flex-start;
    }

    .feature {
        flex: 0 0 50%;
    }

    .quiz-container {
        padding: 24px;
    }

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

    .filters {
        justify-content: center;
    }

    .view-toggle {
        justify-content: center;
    }

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

    .products-table {
        overflow-x: auto;
    }

    .compare-table {
        overflow-x: auto;
    }

    .seo-content {
        padding: 32px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 16px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .quiz-section,
    .products-section,
    .compare-section,
    .seo-section {
        padding: 60px 0;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

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

    .feature {
        flex: 0 0 100%;
    }
}

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

.product-card {
    animation: fadeIn 0.4s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.15s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.25s; }
.product-card:nth-child(5) { animation-delay: 0.3s; }
.product-card:nth-child(6) { animation-delay: 0.35s; }
.product-card:nth-child(7) { animation-delay: 0.4s; }
.product-card:nth-child(8) { animation-delay: 0.45s; }