/* ==========================================
   Best Slippers Australia - Main Stylesheet
   ========================================== */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #f59e0b;
    --secondary-dark: #d97706;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --white: #ffffff;
    --black: #000000;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

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

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

.btn-amazon {
    background: #ff9900;
    color: var(--black);
}

.btn-amazon:hover {
    background: #e68a00;
    color: var(--black);
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    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(--gray-200);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

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

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

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--gray-600);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 999;
}

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

.mobile-nav a {
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    font-weight: 500;
    border-radius: var(--radius);
}

.mobile-nav a:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

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

.hero-image-placeholder {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10rem;
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow-xl);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features Bar */
.features-bar {
    background: var(--gray-900);
    padding: 1.5rem 0;
}

.features-bar .container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
}

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

.feature-text {
    font-weight: 500;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Quiz Section */
.quiz-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.quiz-progress {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    transition: width 0.3s ease;
    width: 25%;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.quiz-question {
    margin-bottom: 2rem;
}

.quiz-question h3 {
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
}

.quiz-option:hover {
    border-color: var(--primary-light);
    background: var(--gray-50);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.quiz-option input {
    display: none;
}

.quiz-option-radio {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

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

.quiz-option.selected .quiz-option-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

.quiz-option-text {
    font-weight: 500;
    color: var(--gray-700);
}

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

.quiz-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
}

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

.quiz-results h3 {
    margin-bottom: 1rem;
    color: var(--success);
}

.quiz-results p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.quiz-recommendation {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.quiz-recommendation h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.hidden {
    display: none !important;
}

/* Products Section */
.products-section {
    padding: 5rem 0;
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: var(--white);
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.view-toggle {
    display: flex;
    gap: 0.25rem;
    margin-left: auto;
    background: var(--white);
    padding: 0.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--gray-300);
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--gray-400);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.view-btn:hover {
    color: var(--gray-600);
}

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
    border: 1px solid var(--gray-200);
}

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

.product-image {
    width: 100%;
    height: 220px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    position: relative;
    overflow: hidden;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius);
}

.product-badge.sale {
    background: var(--danger);
}

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

.product-compare-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

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

.product-info {
    padding: 1.25rem;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

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

.product-rating-text {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-feature-tag {
    padding: 0.25rem 0.5rem;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.product-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.product-price-original {
    font-size: 1rem;
    color: var(--gray-400);
    text-decoration: line-through;
    margin-left: 0.5rem;
}

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

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

.products-table th {
    background: var(--gray-900);
    color: var(--white);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
}

.products-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.products-table tr:hover td {
    background: var(--gray-50);
}

.table-product-cell {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.table-product-image {
    width: 60px;
    height: 60px;
    background: var(--gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.table-product-name {
    font-weight: 600;
    color: var(--gray-900);
}

.table-product-gender {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.table-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.table-rating .stars {
    color: var(--secondary);
}

/* Compare Section */
.compare-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.compare-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.compare-slot {
    position: relative;
}

.compare-select {
    width: 100%;
    padding: 1rem;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    font-size: 1rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

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

.compare-clear {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    border: none;
    background: var(--gray-200);
    color: var(--gray-600);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.compare-clear:hover {
    background: var(--danger);
    color: var(--white);
}

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

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

.compare-table th,
.compare-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.compare-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
}

.compare-table th:first-child {
    text-align: left;
    background: var(--gray-900);
    color: var(--white);
}

.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
    background: var(--gray-50);
}

.compare-product-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.compare-product-image {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.compare-product-name {
    font-weight: 600;
    font-size: 0.9rem;
}

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

.compare-cross {
    color: var(--gray-300);
    font-size: 1.25rem;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: var(--white);
}

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

.about-content h2 {
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.about-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 0;
}

.about-content li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-600);
    line-height: 1.7;
}

.about-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.about-content a {
    color: var(--primary);
    font-weight: 500;
}

.about-content a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.footer-brand .logo {
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-links a {
    display: block;
    color: var(--gray-400);
    padding: 0.25rem 0;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.affiliate-disclosure {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: 2.5rem;
}

.modal-body h3 {
    margin-bottom: 1rem;
}

.modal-body p {
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--gray-900);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-500);
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

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

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

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

    .hero-image-placeholder {
        width: 300px;
        height: 300px;
        font-size: 7rem;
    }

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

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

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

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

    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }

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

    .features-bar .container {
        flex-direction: column;
        align-items: center;
    }

    .filters {
        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;
    }

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

    .quiz-container {
        padding: 1.5rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        max-width: none;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Print Styles */
@media print {
    .header, .hero, .quiz-section, .compare-section, .footer, .filters, .view-toggle {
        display: none;
    }

    .products-section {
        padding: 0;
    }
}