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

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --gray-lighter: #f1f5f9;
    --white: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 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);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ===================================
   Layout & Container
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-content {
    min-height: 70vh;
}

/* ===================================
   Header & Navigation
   =================================== */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

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

.logo-tagline {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

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

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 3px 0;
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1;
}

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

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

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

.btn-secondary:hover {
    background: var(--gray-lighter);
    color: var(--primary-dark);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

.btn-block {
    width: 100%;
}

/* ===================================
   Sections
   =================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Features Section
   =================================== */
.features {
    background: var(--gray-lighter);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.feature-icon {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Featured Product Section
   =================================== */
.featured-product {
    background: var(--white);
}

.product-showcase {
    background: var(--gray-lighter);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

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

.product-showcase-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.product-showcase-image img {
    width: 100%;
    height: auto;
}

.product-badges {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.badge-rating {
    background: var(--white);
    color: var(--dark);
}

.product-showcase-content h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

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

.stars {
    color: var(--accent-color);
    font-size: 1.125rem;
}

.rating-count {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.product-description {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.product-highlights {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.product-highlights li {
    padding: var(--spacing-xs) 0;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.price-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

.price-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

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

/* ===================================
   Categories Section
   =================================== */
.categories {
    background: var(--white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: var(--gray-lighter);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.category-icon {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.category-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

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

.category-count {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

/* ===================================
   Trust Signals
   =================================== */
.trust-signals {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.trust-item h4 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: var(--spacing-xs);
}

.trust-item p {
    color: var(--gray-light);
    font-size: 1rem;
}

/* ===================================
   Product Page Styles
   =================================== */
.product-hero {
    background: var(--gray-lighter);
    padding: var(--spacing-xl) 0;
}

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

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: var(--spacing-xs);
    color: var(--gray);
}

.breadcrumb a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

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

.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.product-hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--white);
    padding: var(--spacing-lg);
}

.product-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.product-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.meta-item {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.meta-item strong {
    color: var(--text-primary);
}

.meta-item .version-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
    position: relative;
    z-index: 1;
    cursor: pointer;
    margin-left: 7px;
}

.meta-item .version-badge::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    transform: translate(-50%, -50%);
    animation: circlingPulse 2s ease-out infinite;
    opacity: 0;
}

.meta-item .version-badge::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--secondary-color);
    border-radius: var(--radius-md);
    transform: translate(-50%, -50%);
    animation: circlingPulse 2s ease-out infinite 1s;
    opacity: 0;
}

@keyframes circlingPulse {
    0% {
        width: 100%;
        height: 100%;
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        width: 160%;
        height: 200%;
        opacity: 0;
    }
}

.product-price-box {
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.price-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
}

.price-main {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
}

.price-currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.price-note {
    display: block;
    color: var(--secondary-color);
    font-size: 0.9375rem;
    font-weight: 600;
}

.demo-notice {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-lg);
    color: #0369a1;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.demo-notice svg {
    flex-shrink: 0;
    color: #0284c7;
}

.demo-notice strong {
    color: #0c4a6e;
    font-weight: 700;
}

.product-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-trust .trust-item {
    color: var(--secondary-color);
    font-size: 0.9375rem;
    font-weight: 600;
}

.product-features {
    background: var(--white);
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-lighter);
    border-radius: var(--radius-md);
}

.feature-check {
    color: var(--secondary-color);
    flex-shrink: 0;
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.product-details {
    background: var(--gray-lighter);
}

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

.details-main h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.details-main h2:first-child {
    margin-top: 0;
}

.details-main h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.detailed-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.detailed-list li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.detailed-list strong {
    color: var(--primary-color);
    font-weight: 600;
}

.details-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.sidebar-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--primary-light);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.requirements-list,
.included-list {
    list-style: none;
}

.requirements-list li,
.included-list li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.cta-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

.cta-card h4,
.cta-card p {
    color: var(--white);
}

.product-faq {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
}

.faq-item {
    background: var(--gray-lighter);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.faq-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.product-cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.product-cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.product-cta-section p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.cta-guarantee {
    font-size: 0.9375rem;
    opacity: 0.9;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3 {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    font-size: 0.9375rem;
}

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

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

.footer-column a {
    color: var(--gray-light);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.social-links a {
    color: var(--gray-light);
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

.footer-contact {
    font-size: 0.9375rem;
}

.footer-contact a {
    color: var(--primary-light);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--dark-light);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
}

.footer-credits {
    color: var(--gray);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .product-hero-grid,
    .product-showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .details-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--spacing-md);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-title {
        font-size: 1.75rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .features-list,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta,
    .product-cta,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cta-content h2,
    .product-cta-section h2 {
        font-size: 1.75rem;
    }
}

/* Purchase Modal Styles */
.purchase-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.purchase-modal.active {
    display: flex;
}

.purchase-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.purchase-modal .modal-container {
    position: relative;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 550px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    animation: modalSlideIn 0.3s ease-out;
}

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

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

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

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

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% {
        box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(37, 99, 235, 0.5);
    }
}

.modal-icon svg {
    color: white;
}

.crypto-badge {
    position: absolute;
    bottom: -8px;
    right: -8px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    animation: badge-bounce 3s ease-in-out infinite;
}

@keyframes badge-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.crypto-badge svg {
    width: 16px;
    height: 16px;
}

.modal-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    width: 100%;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: block;
    width: 100%;
    max-width: 500px;
}

.modal-subtitle strong {
    color: #10b981;
    font-weight: 700;
}

.payment-methods {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
    width: 100%;
}

.payment-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid #e2e8f0;
    color: #475569;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.payment-badge:hover {
    border-color: #10b981;
    color: #10b981;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.modal-product-info {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.product-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.product-info-row:not(:last-child) {
    border-bottom: 1px solid rgba(186, 230, 253, 0.5);
}

.info-label {
    font-weight: 600;
    color: #0369a1;
}

.info-value {
    color: #0c4a6e;
    font-weight: 600;
}

.info-value.price {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.purchase-form .form-group {
    margin-bottom: 1.25rem;
}

.purchase-form label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.label-hint {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

.purchase-form .required {
    color: #dc2626;
}

.purchase-form input[type="text"],
.purchase-form input[type="email"],
.purchase-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.purchase-form input:focus,
.purchase-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.telegram-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.telegram-input-wrapper svg {
    position: absolute;
    left: 1rem;
    pointer-events: none;
}

.telegram-input-wrapper input {
    padding-left: 3rem;
}

.field-note {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.form-message.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.modal-actions button {
    flex: 1;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.modal-footer-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-light);
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
    justify-content: center;
}

.modal-footer-note svg {
    flex-shrink: 0;
    color: #10b981;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .purchase-modal .modal-container {
        padding: 1.5rem;
        max-height: 95vh;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-icon {
        width: 64px;
        height: 64px;
    }
    
    .modal-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-footer-note {
        font-size: 0.8125rem;
    }
}