/* ===== CSS Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --secondary: #475569;
    --secondary-dark: #334155;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --success: #22c55e;
    --error: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --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: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition: all 0.2s ease;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ===== 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: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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;
}

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

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

/* ===== Utility Classes ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hidden {
    display: none !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}

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

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

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

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

/* ===== Header ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
}

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

.logo-icon {
    width: 40px;
    height: 40px;
}

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

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

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

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

.nav-link:hover::after {
    width: 100%;
}

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

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

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0.5rem;
    z-index: 99;
}

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

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

.mobile-nav-link:hover {
    background: var(--background);
    color: var(--primary);
}

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

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 4rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(37, 99, 235, 0.02) 100%);
    transform: rotate(-12deg);
    pointer-events: none;
}

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

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

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

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

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

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

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

.shed-illustration {
    width: 100%;
    max-width: 450px;
    animation: float 6s ease-in-out infinite;
}

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

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-image {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .hero-stats {
        gap: 1rem;
    }
}

/* ===== Features Bar ===== */
.features-bar {
    background: var(--primary);
    color: white;
    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;
    font-weight: 500;
}

.feature-icon {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .features-bar .container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .feature {
        font-size: 0.875rem;
    }
}

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

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

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

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

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-2xl);
    font-weight: 500;
    color: var(--secondary);
    background: var(--surface);
    border: 2px solid var(--border);
    transition: var(--transition);
}

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

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

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

.view-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--surface);
    border: 2px solid var(--border);
    color: var(--text-light);
    transition: var(--transition);
}

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

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

.view-btn svg {
    width: 18px;
    height: 18px;
}

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

.product-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.product-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.product-image svg {
    width: 100%;
    height: 100%;
    max-width: 180px;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-2xl);
    font-size: 0.75rem;
    font-weight: 600;
}

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

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

.badge-sale {
    background: var(--error);
    color: white;
}

.compare-checkbox {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--primary);
}

.product-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

.product-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.product-specs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

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

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

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

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

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

.product-actions .btn {
    flex: 1;
}

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

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

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

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

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

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

.products-table .product-thumb {
    width: 60px;
    height: 60px;
    background: var(--background);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.products-table .product-thumb svg {
    width: 40px;
    height: 40px;
}

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

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
}

.quiz-header {
    text-align: center;
    margin-bottom: 2rem;
}

.quiz-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-2xl);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.quiz-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

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

.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-2xl);
    transition: width 0.3s ease;
    width: 20%;
}

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

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

.quiz-question h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

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

.quiz-option:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.quiz-option-icon {
    width: 48px;
    height: 48px;
    background: var(--surface);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.quiz-option-text {
    flex: 1;
}

.quiz-option-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.quiz-option-desc {
    font-size: 0.875rem;
    color: var(--text-light);
}

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

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

.quiz-result h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.quiz-result > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.recommendation-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background);
    border-radius: var(--radius-lg);
    text-align: left;
}

.recommendation-card .product-thumb {
    width: 80px;
    height: 80px;
    background: var(--surface);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.recommendation-card .product-thumb svg {
    width: 50px;
    height: 50px;
}

.recommendation-info {
    flex: 1;
}

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

.recommendation-info p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.match-score {
    display: inline-block;
    background: var(--success);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.quiz-restart {
    margin-top: 2rem;
}

@media (max-width: 600px) {
    .quiz-container {
        padding: 1.5rem;
    }
    .quiz-option {
        padding: 1rem;
    }
    .quiz-option-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}

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

.compare-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.compare-slot {
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

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

.compare-slot.has-product {
    border-style: solid;
    border-color: var(--primary);
}

.slot-placeholder {
    margin-bottom: 1rem;
}

.slot-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--text-light);
    margin: 0 auto 0.5rem;
}

.slot-placeholder span {
    display: block;
    color: var(--text-light);
    font-weight: 500;
}

.compare-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    background: var(--surface);
    cursor: pointer;
}

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

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

.compare-table {
    width: 100%;
    border-collapse: collapse;
}

.compare-table th,
.compare-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

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

.compare-table th:first-child {
    width: 200px;
}

.compare-table tbody tr:nth-child(even) {
    background: var(--background);
}

.compare-table .feature-name {
    font-weight: 500;
    color: var(--secondary);
}

.compare-table .product-header {
    text-align: center;
}

.compare-table .product-header img,
.compare-table .product-header svg {
    width: 80px;
    height: 80px;
    margin: 0 auto 0.5rem;
}

.compare-table .product-header h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.compare-actions {
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .compare-selector {
        grid-template-columns: 1fr;
    }
    .compare-table-container {
        overflow-x: auto;
    }
    .compare-table {
        min-width: 600px;
    }
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    padding: 5rem 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.testimonial-rating {
    color: var(--accent);
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--secondary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.testimonial-author strong {
    display: block;
    font-weight: 600;
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

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

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

.seo-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.seo-content h3 {
    font-size: 1.375rem;
    margin: 2rem 0 1rem;
    color: var(--text);
}

.seo-content p {
    margin-bottom: 1rem;
    color: var(--secondary);
    line-height: 1.8;
}

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

.seo-content li {
    list-style: disc;
    margin-bottom: 0.75rem;
    color: var(--secondary);
    line-height: 1.7;
}

.seo-content a {
    color: var(--primary);
    text-decoration: underline;
}

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

.seo-cta {
    background: var(--background);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
    margin-top: 2rem;
}

/* ===== Newsletter Section ===== */
.newsletter-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--text) 100%);
    color: white;
}

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

.newsletter-content h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.newsletter-content p {
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: 1rem;
}

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

.newsletter-note {
    font-size: 0.875rem;
    opacity: 0.6;
}

@media (max-width: 480px) {
    .newsletter-form {
        flex-direction: column;
    }
}

/* ===== Footer ===== */
.footer {
    background: var(--text);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-brand p {
    margin-top: 1rem;
    opacity: 0.7;
    font-size: 0.9375rem;
    line-height: 1.6;
}

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

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    padding: 0.375rem 0;
    font-size: 0.9375rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
}

.affiliate-disclosure {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-brand {
        grid-column: span 1;
    }
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* ===== Toast Notifications ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

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

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