/* CSS Variables */
:root {
    --primary: #0066CC;
    --primary-dark: #0052A3;
    --primary-light: #E6F0FA;
    --secondary: #00A86B;
    --secondary-dark: #008C59;
    --accent: #FF6B35;
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    --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-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    gap: 0.5rem;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

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

.btn-accent:hover {
    background: #E55A2B;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

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

.logo-text {
    color: var(--gray-900);
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: var(--transition);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    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);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
    min-height: 80vh;
    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;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 500px;
}

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

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

.hero-graphic {
    width: 350px;
    height: 400px;
    background: linear-gradient(145deg, var(--white) 0%, var(--gray-100) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.caddy-illustration {
    width: 120px;
    height: 280px;
    position: relative;
}

.shelf {
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--gray-400), var(--gray-300));
    border-radius: 4px;
    position: absolute;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.shelf:nth-child(1) { top: 20px; }
.shelf:nth-child(2) { top: 120px; }
.shelf:nth-child(3) { top: 220px; }

.bottle {
    position: absolute;
    border-radius: 8px 8px 4px 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.bottle-1 {
    width: 30px;
    height: 70px;
    background: linear-gradient(180deg, #FF6B35 0%, #E55A2B 100%);
    top: -52px;
    left: 10px;
}

.bottle-2 {
    width: 25px;
    height: 55px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    top: 63px;
    left: 50px;
}

.bottle-3 {
    width: 35px;
    height: 65px;
    background: linear-gradient(180deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    top: 153px;
    left: 25px;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: var(--white);
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

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

.section-header h2 {
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    transition: var(--transition);
}

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

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

.view-toggle {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.view-btn {
    padding: 0.5rem;
    color: var(--gray-500);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

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

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

.product-image {
    height: 200px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius);
    text-transform: uppercase;
}

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

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

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

.product-content {
    padding: 1.5rem;
}

.product-category {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

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

.product-feature {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-sm);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: #FBBF24;
    font-size: 0.9rem;
}

.rating-text {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.product-actions {
    display: flex;
    gap: 0.75rem;
}

.product-actions .btn {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.btn-compare {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-compare:hover {
    background: var(--gray-200);
}

.btn-compare.added {
    background: var(--secondary);
    color: var(--white);
    border-color: var(--secondary);
}

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

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

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

.products-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.9rem;
}

.products-table td {
    font-size: 0.95rem;
}

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

.table-product-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.table-product-icon {
    font-size: 1.5rem;
}

.hidden {
    display: none !important;
}

/* Quiz Section */
.quiz-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.quiz-section .section-header h2,
.quiz-section .section-header p {
    color: var(--white);
}

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

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

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 20%;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.quiz-question {
    display: none;
}

.quiz-question.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.quiz-question h3 {
    margin-bottom: 1.5rem;
    font-size: 1.35rem;
}

.quiz-options {
    display: grid;
    gap: 1rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    text-align: left;
    transition: var(--transition);
    width: 100%;
}

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

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

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

.option-text {
    font-weight: 500;
    color: var(--gray-800);
}

/* Quiz Result */
.quiz-result {
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.quiz-result h3 {
    margin-bottom: 1.5rem;
}

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

.result-product-image {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-product-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.result-product-desc {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.result-product .btn {
    width: 100%;
}

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

.compare-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.compare-slot {
    min-height: 200px;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

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

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

.slot-placeholder {
    text-align: center;
    color: var(--gray-500);
}

.plus-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--gray-400);
}

.slot-product {
    width: 100%;
    height: 100%;
    padding: 1rem;
}

.remove-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    background: var(--gray-200);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

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

.slot-image {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.slot-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.slot-price {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Compare Modal */
.compare-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.25rem;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--gray-500);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--gray-800);
}

.modal-body {
    padding: 1rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-product-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.modal-product-item:hover {
    background: var(--gray-100);
}

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

.modal-product-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.modal-product-info p {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Comparison Table */
.comparison-table-container {
    overflow-x: auto;
    margin-top: 2rem;
}

.comparison-table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    border-collapse: collapse;
}

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

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

.comparison-table th:first-child {
    background: var(--gray-100);
    color: var(--gray-800);
    text-align: left;
}

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

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

.check-icon {
    color: var(--secondary);
    font-size: 1.25rem;
}

.cross-icon {
    color: var(--gray-400);
    font-size: 1.25rem;
}

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

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

.seo-content h2 {
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.seo-content h3 {
    margin: 2rem 0 1rem;
    font-size: 1.35rem;
}

.seo-content p {
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.seo-content ul {
    margin: 1rem 0 1.5rem 1.5rem;
    list-style: disc;
}

.seo-content li {
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.affiliate-disclosure {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

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

.footer-brand .logo {
    margin-bottom: 1rem;
}

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

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

.footer-links h4 {
    color: var(--white);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.footer-links a {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.affiliate-note {
    color: var(--gray-500);
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

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

    .hero-subtitle {
        margin: 0 auto 2rem;
    }

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

    .hero-image {
        order: -1;
    }

    .hero-graphic {
        width: 280px;
        height: 320px;
    }

    .feature-cards {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .nav {
        display: none;
    }

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

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

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

    .quiz-container {
        padding: 1.5rem;
    }

    .quiz-option {
        padding: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

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

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

    .filter-container {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        flex-wrap: nowrap;
    }

    .filter-btn {
        flex-shrink: 0;
    }
}