/* ===== CSS Variables ===== */
:root {
    --primary: #e85d04;
    --primary-dark: #d45003;
    --primary-light: #f48c4a;
    --secondary: #1a1a2e;
    --accent: #f8b739;
    --background: #fafafa;
    --surface: #ffffff;
    --text: #1a1a2e;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --border: #e5e7eb;
    --success: #10b981;
    --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-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 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: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 16px;
    color: var(--secondary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 48px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(232, 93, 4, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 93, 4, 0.5);
}

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

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

.btn-sm {
    padding: 10px 20px;
    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);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 700;
}

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

.logo-text {
    font-family: 'Inter', sans-serif;
}

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

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

.nav-links a {
    font-weight: 500;
    color: var(--text);
    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::after {
    width: 100%;
}

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

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

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #fff5eb 0%, #ffecd2 50%, #fcb69f 100%);
    opacity: 0.5;
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(232, 93, 4, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    margin-bottom: 24px;
    color: var(--secondary);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.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: 0.875rem;
    color: var(--text-light);
}

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

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.why-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: var(--background);
    transition: var(--transition);
}

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

.why-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.why-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.why-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ===== Products Section ===== */
.products-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--background) 0%, #f0f0f0 100%);
}

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

.filter-btn {
    padding: 10px 20px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.view-btn {
    padding: 10px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
}

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

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 32px;
}

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

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

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    z-index: 10;
}

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

.product-badge.waterproof {
    background: #0ea5e9;
}

.product-image {
    position: relative;
    height: 220px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e5e5e5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    overflow: hidden;
}

.product-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.05));
}

.product-content {
    padding: 24px;
}

.product-brand {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.product-name {
    font-size: 1.25rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.feature-tag {
    padding: 4px 10px;
    background: var(--background);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.stars {
    color: var(--accent);
    font-size: 0.875rem;
}

.rating-count {
    font-size: 0.8125rem;
    color: var(--text-light);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

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

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

.compare-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-light);
    cursor: pointer;
}

.compare-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Products Table */
.products-table-container {
    overflow-x: auto;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.products-table-container.hidden {
    display: none;
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

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

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

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

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

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

.check-icon {
    color: var(--success);
}

.cross-icon {
    color: var(--text-lighter);
}

/* ===== Quiz Section ===== */
.quiz-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
}

.quiz-section .section-title,
.quiz-section .section-subtitle {
    color: white;
}

.quiz-section .section-subtitle {
    opacity: 0.8;
}

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

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

.quiz-header .section-title {
    color: var(--secondary);
    font-size: 2rem;
}

.quiz-header .section-subtitle {
    color: var(--text-light);
    margin-bottom: 0;
}

.quiz-progress {
    margin-bottom: 40px;
}

.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 50px;
    transition: width 0.4s ease;
    width: 20%;
}

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

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

.quiz-question h3 {
    font-size: 1.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}

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

.quiz-options {
    display: grid;
    gap: 16px;
}

.quiz-option {
    padding: 20px 24px;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-size: 1rem;
}

.quiz-option:hover {
    border-color: var(--primary);
    background: #fff5eb;
}

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

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

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

.quiz-result.hidden {
    display: none;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.result-title {
    font-size: 1.75rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.result-camera {
    background: var(--background);
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.result-camera h4 {
    font-size: 1.25rem;
    font-family: 'Inter', sans-serif;
    color: var(--secondary);
    margin-bottom: 8px;
}

.result-camera p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.result-features {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.restart-quiz {
    margin-top: 16px;
    background: transparent;
    border: none;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
}

.restart-quiz:hover {
    text-decoration: underline;
}

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

.compare-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.compare-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

.compare-table th,
.compare-table td {
    padding: 20px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

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

.compare-table th:first-child {
    text-align: left;
    background: var(--background);
    color: var(--text);
}

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

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

.compare-camera-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.compare-camera-icon {
    font-size: 3rem;
}

.compare-camera-name {
    font-size: 1rem;
}

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

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

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

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

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

.guide-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.guide-card h3 {
    font-size: 1.25rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary);
}

.guide-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===== SEO Section ===== */
.seo-section {
    padding: 80px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

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

.seo-content h2 {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 24px;
    text-align: center;
}

.seo-content h3 {
    font-size: 1.25rem;
    color: var(--secondary);
    margin: 32px 0 16px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

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

.seo-content ul {
    margin: 16px 0 24px 24px;
}

.seo-content li {
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.7;
    list-style: disc;
}

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

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

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

.newsletter-content h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 12px;
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-form .btn {
    background: var(--secondary);
    color: white;
    box-shadow: none;
}

.newsletter-form .btn:hover {
    background: #0f0f1a;
}

/* ===== Footer ===== */
.footer {
    background: var(--secondary);
    color: white;
    padding: 80px 0 32px;
}

.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;
    font-size: 0.9375rem;
    line-height: 1.7;
}

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

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.affiliate-disclosure {
    font-size: 0.8125rem !important;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

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

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    font-size: 1.125rem;
    font-weight: 500;
    display: block;
    padding: 8px 0;
}

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

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

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

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

    .hero-stats {
        gap: 24px;
    }

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

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

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

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

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

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

    .hero {
        padding: 100px 0 60px;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
        flex-wrap: nowrap;
    }

    .filter-btn {
        white-space: nowrap;
    }
}

/* ===== 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: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }
.product-card:nth-child(6) { animation-delay: 0.6s; }

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

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

.mb-0 {
    margin-bottom: 0;
}

.mt-4 {
    margin-top: 16px;
}