/* CSS Variables */
:root {
    --primary: #2d5a4a;
    --primary-dark: #1e3d32;
    --primary-light: #4a8b73;
    --secondary: #d4a574;
    --secondary-light: #e8c9a8;
    --accent: #c17f59;
    --background: #faf8f5;
    --surface: #ffffff;
    --surface-alt: #f5f2ed;
    --text: #2c2c2c;
    --text-light: #666666;
    --text-muted: #999999;
    --border: #e5e0d8;
    --shadow: rgba(45, 90, 74, 0.08);
    --shadow-lg: rgba(45, 90, 74, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.3s 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;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

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

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

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

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

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

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

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

.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);
    transition: var(--transition);
}

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

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px var(--shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-lg);
}

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

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

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

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

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

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

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.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-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-placeholder {
    width: 100%;
    max-width: 450px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px var(--shadow-lg);
    padding: 20px;
}

.hero-image-placeholder svg {
    width: 100%;
    height: auto;
}

/* Filter Section */
.filter-section {
    padding: 60px 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    padding: 20px 24px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px var(--shadow);
}

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

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

.filter-group select {
    padding: 10px 36px 10px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface) 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='%23666' d='M6 8L1 3h10z'/%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;
    padding: 4px;
    background: var(--surface-alt);
    border-radius: var(--radius-sm);
}

.view-btn {
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-muted);
    transition: all var(--transition);
}

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

.view-btn.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: 0 2px 8px var(--shadow);
}

/* Products Section */
.products-section {
    padding: 20px 0 80px;
}

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

.product-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
    transition: all var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    z-index: 1;
}

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

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

.badge-value {
    background: #4a90a4;
    color: white;
}

.product-image {
    aspect-ratio: 4/3;
    background: var(--surface-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-image svg {
    width: 80%;
    height: auto;
    opacity: 0.9;
}

.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-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
    line-height: 1.3;
}

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

.spec-tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--surface-alt);
    border-radius: 20px;
    color: var(--text-light);
}

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

.stars {
    color: #f5b100;
    font-size: 0.875rem;
}

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

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

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

.product-price span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
}

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

.btn-compare {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-light);
    transition: all var(--transition);
}

.btn-compare:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(45, 90, 74, 0.05);
}

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

/* Table View */
.products-table-wrapper {
    overflow-x: auto;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px var(--shadow);
}

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

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

.products-table th {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--surface-alt);
}

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

.products-table tr:hover td {
    background: rgba(45, 90, 74, 0.02);
}

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

.table-product-thumb {
    width: 60px;
    height: 60px;
    background: var(--surface-alt);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.table-product-thumb svg {
    width: 40px;
    height: 40px;
}

.table-stars {
    color: #f5b100;
    font-size: 0.8rem;
}

/* 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(--surface);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

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

.quiz-header h2 {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--text);
}

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

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

.progress-bar {
    height: 8px;
    background: var(--surface-alt);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 4px;
    transition: width var(--transition);
    width: 20%;
}

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

.quiz-question {
    margin-bottom: 24px;
}

.quiz-question h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--text);
}

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

.quiz-option {
    padding: 16px 20px;
    background: var(--surface-alt);
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: left;
    font-size: 1rem;
}

.quiz-option:hover {
    border-color: var(--primary-light);
    background: rgba(45, 90, 74, 0.05);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: rgba(45, 90, 74, 0.1);
}

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

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

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

.quiz-result h3 {
    font-size: 1.75rem;
    margin-bottom: 24px;
    color: var(--text);
}

.result-product {
    background: var(--surface-alt);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

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

.compare-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.compare-slot {
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.compare-slot:hover {
    border-color: var(--primary-light);
    background: rgba(45, 90, 74, 0.02);
}

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

.slot-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
}

.slot-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border);
    border-radius: 50%;
    font-size: 1.5rem;
}

.slot-product {
    width: 100%;
    padding: 20px;
    position: relative;
}

.slot-remove {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--surface-alt);
    color: var(--text-muted);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.slot-remove:hover {
    background: #fee;
    color: #c00;
}

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

.slot-image {
    width: 120px;
    height: 90px;
    margin: 0 auto 16px;
    background: var(--surface-alt);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slot-image svg {
    width: 70px;
    height: auto;
}

.slot-title {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

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

.modal-content {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface-alt);
    color: var(--text);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--border);
}

.modal-content h3 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.modal-products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.modal-product {
    padding: 16px;
    background: var(--surface-alt);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
}

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

.modal-product-image {
    width: 100%;
    height: 80px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-product-image svg {
    width: 60px;
    height: auto;
}

.modal-product-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 4px;
}

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

/* Comparison Table */
.comparison-table-wrapper {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 0 4px 20px var(--shadow);
}

.comparison-table-wrapper h3 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

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

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

.comparison-table th {
    font-weight: 600;
    background: var(--surface-alt);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

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

.check-yes {
    color: var(--primary);
}

.check-no {
    color: var(--text-muted);
}

/* SEO Section */
.seo-section {
    padding: 80px 0;
    background: var(--surface);
}

.seo-content h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text);
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.seo-block {
    padding: 24px;
    background: var(--surface-alt);
    border-radius: var(--radius);
}

.seo-block h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--primary);
}

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

/* Footer */
.footer {
    background: var(--text);
    color: #ccc;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
}

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

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

.footer-column a {
    opacity: 0.7;
    transition: opacity var(--transition);
}

.footer-column a:hover {
    opacity: 1;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.6;
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

    .hero-subtitle {
        max-width: none;
    }

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

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

    .hero-image {
        order: -1;
    }

    .hero-image-placeholder {
        max-width: 350px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 20px 24px;
        gap: 0;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px var(--shadow);
    }

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

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

    .nav-links li:last-child {
        border-bottom: none;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

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

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

    .filter-group select {
        width: 100%;
    }

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

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

    .quiz-container {
        padding: 24px;
    }

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

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

    .section-header h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

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

.product-card {
    animation: fadeInUp 0.5s 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; }