/* CSS Variables */
:root {
    --primary: #2c3e50;
    --primary-dark: #1a252f;
    --accent: #e67e22;
    --accent-hover: #d35400;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

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

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

ul {
    list-style: none;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    gap: 8px;
}

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

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

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

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

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* 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);
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

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

.nav {
    display: flex;
    gap: 32px;
}

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

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

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

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

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

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

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

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

.mobile-nav a {
    font-weight: 500;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.1) 0%, rgba(44, 62, 80, 0.05) 100%);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
    margin-bottom: 24px;
}

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

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
}

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

.hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}

.canvas-frame {
    width: 400px;
    height: 300px;
    background: white;
    border-radius: 4px;
    box-shadow: var(--shadow-lg),
                inset 0 0 0 15px #2c2c2c,
                inset 0 0 0 17px #1a1a1a;
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    animation: float 6s ease-in-out infinite;
}

.canvas-inner {
    position: absolute;
    inset: 15px;
    background: linear-gradient(135deg,
        #667eea 0%,
        #764ba2 25%,
        #f093fb 50%,
        #f5576c 75%,
        #feca57 100%);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes float {
    0%, 100% { transform: perspective(1000px) rotateY(-5deg) rotateX(2deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-5deg) rotateX(2deg) translateY(-20px); }
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

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

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--bg-light);
    transition: var(--transition);
}

.filter-tab:hover {
    background: var(--border);
}

.filter-tab.active {
    background: var(--primary);
    color: white;
}

.view-toggle {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-bottom: 24px;
}

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

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

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

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

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

.product-image {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: attr(data-category);
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary);
}

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    background: var(--accent);
    color: white;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.compare-checkbox {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

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

.compare-checkbox.active {
    background: var(--accent);
    color: white;
}

.compare-checkbox svg {
    width: 16px;
    height: 16px;
}

.product-info {
    padding: 20px;
}

.product-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

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

.product-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #f1c40f;
}

.product-rating span {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

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

.product-actions .btn {
    flex: 1;
    padding: 12px;
    font-size: 0.9rem;
}

/* Products Table */
.products-table-wrapper {
    overflow-x: auto;
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.products-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    white-space: nowrap;
}

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

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

.table-thumb {
    width: 60px;
    height: 45px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hidden {
    display: none !important;
}

/* Quiz Section */
.quiz-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

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

.quiz-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 8px;
}

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

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

.progress-bar {
    height: 8px;
    background: var(--bg-light);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, #f39c12 100%);
    border-radius: 50px;
    transition: width 0.5s ease;
    width: 20%;
}

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

.quiz-question {
    display: none;
}

.quiz-question.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

.quiz-question h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 24px;
    text-align: center;
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.quiz-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.quiz-option.selected {
    border-color: var(--accent);
    background: rgba(230, 126, 34, 0.1);
}

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

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

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

.quiz-results h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.result-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}

.result-image {
    width: 200px;
    height: 150px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-sm);
    margin: 0 auto 20px;
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.result-desc {
    color: var(--text-light);
    margin-bottom: 20px;
}

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

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

.compare-slot {
    background: white;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.slot-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.plus-icon {
    display: block;
    font-size: 3rem;
    margin-bottom: 8px;
    color: var(--border);
}

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

.slot-content .remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-light);
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.slot-content .remove-btn:hover {
    background: #e74c3c;
    color: white;
}

.slot-image {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.slot-name {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--primary);
    text-align: center;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: var(--radius);
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--primary);
}

.modal-close {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

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

.modal-product {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.modal-product-image {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.modal-product-name {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 40px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.comparison-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    background: var(--bg-light);
}

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

.action-row td {
    padding: 24px 16px;
}

.compare-cta {
    text-align: center;
    margin-top: 24px;
}

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

.seo-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--primary);
    text-align: center;
    margin-bottom: 48px;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.seo-block {
    background: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius);
}

.seo-block h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 16px;
}

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

.seo-cta {
    text-align: center;
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    padding: 48px;
    border-radius: var(--radius);
    color: white;
}

.seo-cta p {
    max-width: 700px;
    margin: 0 auto 24px;
    font-size: 1.1rem;
    opacity: 0.9;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    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 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links h4,
.footer-info h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

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

.footer-links a:hover {
    color: var(--accent);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.affiliate-disclosure {
    font-style: italic;
}

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

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
        margin-bottom: 40px;
    }

    .hero p {
        max-width: none;
    }

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

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

    .canvas-frame {
        width: 300px;
        height: 225px;
    }

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

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

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

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

    .quiz-container {
        padding: 32px 24px;
    }

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

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

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 20px 60px;
    }

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

    .canvas-frame {
        width: 250px;
        height: 187px;
    }

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

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

    .filter-tabs {
        gap: 8px;
    }

    .filter-tab {
        padding: 8px 16px;
        font-size: 0.875rem;
    }

    .quiz-option {
        padding: 16px;
    }

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Scroll Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}