/* ===== CSS Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #f59e0b;
    --secondary-dark: #d97706;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-lighter: #f3f4f6;
    --border: #e5e7eb;
    --border-dark: #d1d5db;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px 0 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: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.2s ease;
    --transition-slow: 0.3s 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(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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;
}

.hidden {
    display: none !important;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

.section-title {
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition);
    text-decoration: none;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-dark);
    border-color: var(--border-dark);
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-amazon {
    background: #ff9900;
    color: #111;
    font-weight: 600;
}

.btn-amazon:hover {
    background: #e88a00;
    color: #111;
    transform: translateY(-2px);
}

/* ===== 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(--border);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

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

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-medium);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 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: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--primary-light) 100%);
}

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

.hero h1 {
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===== Categories Section ===== */
.categories {
    padding: 80px 0;
    background: var(--bg-white);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
}

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

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

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.category-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.category-card p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ===== Products Section ===== */
.products {
    padding: 80px 0;
    background: var(--bg-light);
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    padding: 20px;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-medium);
    font-size: 0.9rem;
}

.filter-group select {
    padding: 10px 36px 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--bg-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='%236b7280' d='M2 4l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 12px center;
    appearance: none;
    cursor: pointer;
    transition: border-color var(--transition);
}

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

.view-toggle {
    display: flex;
    gap: 4px;
    margin-left: auto;
    background: var(--bg-lighter);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.view-btn {
    padding: 8px 12px;
    border-radius: 4px;
    color: var(--text-light);
    transition: all var(--transition);
}

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

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

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

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

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    height: 200px;
    background: var(--bg-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image-placeholder {
    font-size: 4rem;
    opacity: 0.8;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: var(--secondary);
    color: #111;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
}

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

.product-content {
    padding: 20px;
}

.product-style {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.product-title {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.product-feature {
    font-size: 0.8rem;
    padding: 4px 8px;
    background: var(--bg-lighter);
    color: var(--text-medium);
    border-radius: 4px;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.stars {
    color: var(--secondary);
    letter-spacing: 2px;
}

.rating-count {
    font-size: 0.85rem;
    color: var(--text-light);
}

.product-actions {
    display: flex;
    gap: 10px;
}

.product-actions .btn {
    flex: 1;
    padding: 12px 16px;
}

.btn-compare {
    background: var(--bg-lighter);
    color: var(--text-medium);
    font-size: 0.9rem;
}

.btn-compare:hover {
    background: var(--border);
}

.btn-compare.added {
    background: var(--success);
    color: white;
}

/* Product Table */
.product-table-container {
    overflow-x: auto;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

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

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

.product-table th {
    background: var(--bg-lighter);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-medium);
    white-space: nowrap;
}

.product-table tr:hover {
    background: var(--bg-light);
}

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

.table-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

/* ===== Quiz Section ===== */
.quiz-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

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

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

.quiz-header h2 {
    margin-bottom: 8px;
}

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

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

.progress-bar {
    height: 8px;
    background: var(--bg-lighter);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 10px;
    transition: width var(--transition-slow);
    width: 20%;
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-light);
}

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

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

.quiz-question h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 20px;
    text-align: center;
}

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

.quiz-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: left;
}

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

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

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

.quiz-option-text {
    font-weight: 500;
}

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

.quiz-result {
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.quiz-result h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.quiz-result-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

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

.quiz-result-products {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
}

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

.quiz-result-product-icon {
    font-size: 2rem;
}

.quiz-result-product-info h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    margin-bottom: 4px;
}

.quiz-result-product-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

/* ===== Compare Section ===== */
.compare-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.compare-slots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.compare-slot {
    min-height: 250px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    position: relative;
}

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

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

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

.slot-icon {
    display: flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    background: var(--bg-lighter);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text-light);
}

.slot-filled {
    width: 100%;
    height: 100%;
    padding: 20px;
}

.remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: var(--bg-lighter);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.remove-btn:hover {
    background: var(--error);
    color: white;
}

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

.slot-product-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.slot-product-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.slot-product-price {
    color: var(--primary);
    font-weight: 600;
}

.compare-table-container {
    overflow-x: auto;
    background: var(--bg-light);
    border-radius: var(--radius);
}

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

.compare-table th,
.compare-table td {
    padding: 16px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

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

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

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

.compare-check {
    color: var(--success);
    font-size: 1.25rem;
}

.compare-cross {
    color: var(--text-light);
    font-size: 1.25rem;
}

/* ===== Guide Section ===== */
.guide-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.guide-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

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

.guide-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.guide-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.guide-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* ===== SEO Content Section ===== */
.seo-content {
    padding: 80px 0;
    background: var(--bg-white);
}

.seo-article {
    max-width: 900px;
    margin: 0 auto;
}

.seo-article h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.seo-article h3 {
    font-size: 1.35rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.seo-article strong {
    color: var(--text-dark);
}

/* ===== Footer ===== */
.footer {
    background: var(--text-dark);
    color: var(--bg-lighter);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-light);
    line-height: 1.7;
}

.footer-links h4 {
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-light);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.affiliate-disclosure {
    margin-top: 8px;
    font-size: 0.8rem !important;
    opacity: 0.7;
}

/* ===== Toast ===== */
.compare-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-dark);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    transition: transform var(--transition-slow);
}

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

.toast-link {
    color: var(--secondary);
    font-weight: 500;
}

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

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

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

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-stats {
        gap: 24px;
    }

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

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

    .quiz-container {
        padding: 24px;
    }

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

    .footer-brand {
        margin-bottom: 20px;
    }

    .footer-brand .logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

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

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

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

/* ===== Print Styles ===== */
@media print {
    .header,
    .hero-cta,
    .filter-bar,
    .product-actions,
    .quiz-section,
    .compare-section,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .product-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}