/* ============================================
   Prebiotic Collagen Protein Australia
   Modern CSS Stylesheet - 2026
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #7c3aed;
    --primary-dark: #5b21b6;
    --primary-light: #a78bfa;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --background: #fafafa;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
    --gradient-hero: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 50%, #ddd6fe 100%);
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);

    /* Shadows */
    --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-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-sans);
}

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

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

body {
    font-family: var(--font-sans);
    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 {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

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

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow), 0 4px 14px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 8px 20px rgba(124, 58, 237, 0.5);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    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: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

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

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

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

.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 {
    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 {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 140px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
}

.hero .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

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

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
}

.product-showcase {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    animation: pulse 3s ease-in-out infinite;
}

.showcase-icon {
    font-size: 80px;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.2; }
}

.floating-card {
    position: absolute;
    background: var(--surface);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: float 4s ease-in-out infinite;
}

.floating-card span {
    font-size: 1.25rem;
}

.card-1 {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 0;
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    left: 15%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   Benefits Section
   ============================================ */
.benefits {
    background: var(--surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--background);
    border-radius: var(--radius-xl);
    transition: all var(--transition);
}

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

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

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

/* ============================================
   Products Section
   ============================================ */
.products {
    background: var(--background);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.filter-group select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

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

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

.view-btn {
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all var(--transition);
}

.view-btn:hover,
.view-btn.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

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

/* Product Card */
.product-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

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

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

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

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    overflow: hidden;
}

.product-compare-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    opacity: 0;
    transition: all var(--transition);
}

.product-card:hover .product-compare-btn {
    opacity: 1;
}

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

.product-compare-btn.active {
    background: var(--primary);
    color: white;
    opacity: 1;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-brand {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.product-feature {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--background);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

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

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

.product-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

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

.price-original {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.product-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.product-cta .btn {
    flex: 1;
    padding: 0.75rem 1rem;
}

/* List View */
.products-grid.list-view .product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
}

.products-grid.list-view .product-image {
    aspect-ratio: auto;
    height: 100%;
}

.products-grid.list-view .product-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.products-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--surface);
    border-radius: var(--radius-xl);
}

.products-cta p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* ============================================
   Quiz Section
   ============================================ */
.quiz {
    background: var(--gradient-hero);
}

.quiz-container {
    max-width: 640px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.quiz-progress {
    margin-bottom: var(--spacing-xl);
}

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

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    width: 20%;
}

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

.quiz-content {
    min-height: 300px;
}

.quiz-question {
    margin-bottom: var(--spacing-xl);
}

.quiz-question h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.quiz-option {
    padding: var(--spacing-lg);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.quiz-option:hover {
    border-color: var(--primary-light);
    background: rgba(124, 58, 237, 0.05);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: rgba(124, 58, 237, 0.1);
}

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

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

.quiz-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border);
}

/* Quiz Results */
.quiz-result {
    text-align: center;
}

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

.result-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.result-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.result-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.result-product {
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.result-product-image {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

.result-product-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.result-product-match {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.result-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ============================================
   Compare Section
   ============================================ */
.compare {
    background: var(--surface);
}

.compare-slots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.compare-slot {
    aspect-ratio: 1;
    max-height: 200px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

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

.add-compare-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    transition: all var(--transition);
    width: 100%;
    height: 100%;
    justify-content: center;
}

.add-compare-btn:hover {
    color: var(--primary);
}

.plus-icon {
    font-size: 2rem;
    font-weight: 300;
}

.add-compare-btn span:last-child {
    font-size: 0.875rem;
}

.slot-product {
    text-align: center;
    padding: var(--spacing-md);
    width: 100%;
    position: relative;
}

.slot-product-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.slot-product-name {
    font-size: 0.875rem;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.slot-remove {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--error);
    color: white;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slot-remove:hover {
    background: #dc2626;
}

/* Compare Table */
.compare-table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-xl);
}

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

.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: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.compare-table th {
    background: var(--background);
    font-weight: 600;
    font-size: 0.875rem;
}

.compare-table th:first-child {
    width: 180px;
}

.compare-table td:first-child {
    font-weight: 500;
    color: var(--text-secondary);
}

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

.compare-table .highlight-best {
    color: var(--secondary);
    font-weight: 600;
}

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

.compare-actions.hidden {
    display: none;
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 80vh;
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--background);
    font-size: 1.25rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-content h3 {
    margin-bottom: var(--spacing-lg);
    padding-right: var(--spacing-xl);
}

.modal-search {
    margin-bottom: var(--spacing-lg);
}

.modal-search input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
}

.modal-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.modal-products {
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.modal-product-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.modal-product-item:hover {
    background: var(--background);
}

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

.modal-product-info {
    flex: 1;
}

.modal-product-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.modal-product-brand {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    background: var(--background);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1rem;
    text-align: left;
    transition: all var(--transition);
}

.faq-question:hover {
    background: var(--background);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--primary);
    transition: transform var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   SEO Content Section
   ============================================ */
.seo-content {
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.seo-article {
    max-width: 800px;
    margin: 0 auto;
}

.seo-article h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.seo-article h3 {
    font-size: 1.25rem;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--primary-dark);
}

.seo-article p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    max-width: 300px;
}

.footer-links h4 {
    color: white;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

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

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

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

.affiliate-disclosure {
    margin-top: var(--spacing-sm);
    font-size: 0.8125rem !important;
}

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

    .hero-subtitle {
        margin: 0 auto var(--spacing-xl);
    }

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

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

    .hero-visual {
        display: none;
    }

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

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--surface);
        padding: var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .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);
    }

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

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

    .filter-group {
        width: 100%;
    }

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

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

    .products-grid.list-view .product-card {
        grid-template-columns: 1fr;
    }

    .quiz-container {
        padding: var(--spacing-lg);
    }

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

    .footer-brand p {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

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

    .compare-slot {
        aspect-ratio: auto;
        min-height: 150px;
    }

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

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}