/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Variables */
    --primary-color: #2C3E50;
    --secondary-color: #E67E22;
    --accent-color: #3498DB;
    --success-color: #27AE60;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --dark-gray: #34495E;
    --light-gray: #ECF0F1;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border-radius: 8px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(230, 126, 34, 0.3);
}

.btn-primary:hover {
    background-color: #D35400;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
}

.btn-product {
    background-color: var(--primary-color);
    color: var(--white);
    width: 100%;
    margin-top: auto;
}

.btn-product:hover {
    background-color: #1A252F;
    transform: translateY(-2px);
}

.btn-view-all {
    background-color: var(--accent-color);
    color: var(--white);
    font-size: 1.2rem;
    padding: 15px 40px;
    margin: var(--spacing-lg) auto;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 14px rgba(52, 152, 219, 0.3);
}

.btn-view-all:hover {
    background-color: #2980B9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

/* Header Styles */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition-base);
}

/* Hero Section */
.hero-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

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

.hero-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--dark-gray);
}

.stat-item i {
    color: var(--secondary-color);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

/* Section Styles */
.section-title {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

/* Quiz Section */
.quiz-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.quiz-progress {
    height: 8px;
    background-color: #e0e0e0;
    border-radius: 4px;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--secondary-color);
    width: 33%;
    transition: width var(--transition-base);
}

.quiz-question h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.quiz-option {
    padding: var(--spacing-md);
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.quiz-option:hover {
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quiz-option i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    display: block;
}

/* Products Section */
.products-section {
    padding: var(--spacing-xl) 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.category-card {
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    text-decoration: none;
    color: var(--dark-gray);
    transition: all var(--transition-base);
}

.category-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.category-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.category-card p {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Product Tabs */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    border: 2px solid #e0e0e0;
    background: var(--white);
    border-radius: 25px;
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 500;
}

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

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

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.product-info {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-info h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

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

.stars {
    color: #FFD700;
    font-size: 1.1rem;
}

.product-rating span {
    font-size: 0.9rem;
    color: #7f8c8d;
}

.product-info p {
    font-size: 0.95rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

/* Badges and Indicators */
.badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--success-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.stock-indicator {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.stock-indicator.low {
    background-color: var(--danger-color);
    color: var(--white);
}

.stock-indicator.medium {
    background-color: var(--warning-color);
    color: var(--white);
}

/* Calculator Section */
.calculator-section {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-top: var(--spacing-lg);
}

.calculator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.calc-input label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.calc-input input {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
}

.savings-amount {
    font-size: 3rem;
    color: var(--success-color);
    font-weight: 700;
}

/* What You Get Section */
.what-you-get-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--secondary-color);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 45%;
    margin: 0 auto;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
}

/* Advantages Section */
.advantages-section {
    padding: var(--spacing-xl) 0;
}

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

.advantage-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.advantage-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

/* Problems Section */
.problems-section {
    padding: var(--spacing-xl) 0;
    background-color: #FFF5F5;
}

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

.problem-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 2px solid #FFE0E0;
    text-align: center;
}

.problem-card i {
    font-size: 3rem;
    color: var(--danger-color);
    margin-bottom: var(--spacing-md);
}

.problem-card .stat {
    font-size: 0.9rem;
    color: var(--danger-color);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* Comparison Table */
.comparison-section {
    padding: var(--spacing-xl) 0;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

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

.comparison-table th.highlight {
    background-color: var(--secondary-color);
}

.comparison-table td.highlight {
    background-color: #FFF9F5;
    font-weight: 600;
}

.comparison-table .fa-check {
    color: var(--success-color);
}

.comparison-table .fa-times {
    color: var(--danger-color);
}

/* About Section */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

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

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.about-stats .stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.about-stats .stat h4 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

/* Mission Section */
.mission-section {
    padding: var(--spacing-xl) 0;
}

.mission-statement {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.mission-statement h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.value-card {
    text-align: center;
    padding: var(--spacing-md);
}

.value-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

/* How It Works Section */
.how-it-works-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.step i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.step::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -50%;
    width: 100%;
    height: 2px;
    background-color: #e0e0e0;
    z-index: -1;
}

.step:last-child::after {
    display: none;
}

/* Guarantees Section */
.guarantees-section {
    padding: var(--spacing-xl) 0;
}

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

.guarantee-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.guarantee-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.guarantee-card i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: var(--spacing-md);
}

/* Roadmap Section */
.roadmap-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.roadmap-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #e0e0e0;
    z-index: 0;
}

.timeline-event {
    position: relative;
    text-align: center;
    z-index: 1;
}

.timeline-event .year {
    background-color: var(--white);
    border: 3px solid #e0e0e0;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
    transition: all var(--transition-base);
}

.timeline-event.past .year {
    background-color: var(--success-color);
    color: var(--white);
    border-color: var(--success-color);
}

.timeline-event.current .year {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
    transform: scale(1.2);
}

.timeline-event.future .year {
    background-color: var(--white);
    color: var(--dark-gray);
}

.timeline-event h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-event p {
    font-size: 0.85rem;
    color: #7f8c8d;
}

/* Interactive Section */
.interactive-section {
    padding: var(--spacing-xl) 0;
}

.live-map-container,
.savings-tracker,
.satisfaction-index {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.usa-map {
    height: 400px;
    background: #f8f9fa;
    border-radius: 12px;
    margin: var(--spacing-md) 0;
    position: relative;
    overflow: hidden;
}

.map-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-md);
}

.map-stats .stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
}

.savings-display {
    font-size: 4rem;
    color: var(--success-color);
    font-weight: 700;
    margin: var(--spacing-md) 0;
}

.satisfaction-meter {
    width: 100%;
    height: 40px;
    background-color: #e0e0e0;
    border-radius: 20px;
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(to right, var(--success-color), var(--secondary-color));
    transition: width var(--transition-slow);
}

/* Reviews Section */
.reviews-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

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

.review-header img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.review-header .verified {
    font-size: 0.85rem;
    color: var(--success-color);
    font-weight: 500;
}

.review-header .rating {
    margin-left: auto;
    color: #FFD700;
    font-size: 1.2rem;
}

.review-card p {
    font-style: italic;
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.review-card small {
    color: #7f8c8d;
    font-size: 0.85rem;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-xl) 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: var(--spacing-sm);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-base);
}

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

.faq-question i {
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

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

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Purchase Notification */
.purchase-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideIn 0.5s ease;
    z-index: 999;
}

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

.purchase-notification.show {
    display: flex;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    padding: var(--spacing-sm);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: none;
    z-index: 998;
}

.sticky-cta.show {
    display: block;
}

.sticky-cta .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sticky-cta p {
    color: var(--white);
    margin: 0;
    font-weight: 500;
}

.btn-sticky {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 25px;
}

.btn-sticky:hover {
    background-color: #D35400;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #BDC3C7;
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.trust-badges {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: 2rem;
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid #34495E;
    color: #BDC3C7;
}

.footer-bottom a {
    color: var(--secondary-color);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .advantages-grid,
    .guarantees-grid,
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline-event {
        flex-direction: column;
    }
    
    .roadmap-timeline {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .roadmap-timeline::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .quiz-options {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
    }
    
    .timeline-icon {
        left: 20px;
    }
    
    .timeline-content {
        width: calc(100% - 100px);
        margin-left: 60px !important;
    }
    
    .advantages-grid,
    .guarantees-grid,
    .problems-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .step::after {
        display: none;
    }
    
    .comparison-table {
        font-size: 0.85rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .trust-badges {
        justify-content: center;
    }
    
    .sticky-cta .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .view-all-container {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .savings-display {
        font-size: 2.5rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Focus Styles */
button:focus,
a:focus,
input:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .sticky-cta,
    .purchase-notification,
    .hamburger,
    .interactive-section {
        display: none !important;
    }
}