/* VirDisPay Website Styles */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #333;
    border: 2px solid #ddd;
}

.btn-outline:hover {
    background: #f8f9fa;
    border-color: #667eea;
    color: #667eea;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 0.86rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
}

.logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #667eea;
}

.nav-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #333;
}

.hero-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

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

.hero-trust {
    text-align: left;
}

.hero-trust p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.trust-logos {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.trust-logo {
    background: #f8f9fa;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.8rem;
    color: #666;
    border: 1px solid #e9ecef;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.payment-demo {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 400px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.demo-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.demo-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
}

.demo-title {
    font-weight: 600;
    font-size: 0.9rem;
}

.demo-content {
    padding: 2rem;
}

.demo-payment {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

.payment-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.payment-description {
    color: #666;
    font-size: 1rem;
}

.routing-animation {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.network-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.network-option.optimal {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.network-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
}

.network-icon.polygon {
    background: linear-gradient(135deg, #8247e5 0%, #d946ef 100%);
}

.network-icon.ethereum {
    background: linear-gradient(135deg, #627eea 0%, #4f46e5 100%);
}

.network-info {
    flex: 1;
}

.network-name {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.network-fee {
    color: #666;
    font-size: 0.9rem;
}

.optimal-badge {
    background: #667eea;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.savings-highlight {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #10b981;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
    margin-top: 1rem;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-benefits {
    list-style: none;
}

.feature-benefits li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.feature-benefits li::before {
    content: '✓';
    color: #10b981;
    font-weight: 600;
}

/* Comparison Section */
.comparison {
    padding: 80px 0;
    background: #f8f9fa;
}

.comparison-table {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    font-weight: 600;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
    align-items: center;
    transition: background 0.3s ease;
}

.comparison-row:hover {
    background: #f8f9fa;
}

.comparison-row.optimal {
    background: rgba(102, 126, 234, 0.05);
    border-left: 4px solid #667eea;
}

.comparison-network {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
}

.comparison-fee {
    font-weight: 600;
    color: #333;
}

.savings-badge {
    background: #10b981;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.comparison-highlight {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.highlight-content i {
    font-size: 3rem;
    color: #667eea;
}

.highlight-text h3 {
    margin-bottom: 0.5rem;
}

.highlight-text p {
    color: #666;
    margin-bottom: 0;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-label {
    font-weight: 500;
    color: #666;
}

.discount {
    background: #10b981;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #667eea;
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.pricing-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
    border-color: #667eea;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 1.5rem;
    color: #666;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #333;
}

.period {
    font-size: 1rem;
    color: #666;
}

.pricing-features ul {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: #666;
}

.pricing-features i {
    color: #10b981;
    font-size: 0.9rem;
}

.pricing-note {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.pricing-note i {
    color: #667eea;
    margin-right: 0.5rem;
}

/* Integration Section */
.integration {
    padding: 80px 0;
    background: #f8f9fa;
}

.integration-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-button {
    background: white;
    border: 2px solid #e9ecef;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #666;
}

.tab-button.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.tab-button:hover:not(.active) {
    border-color: #667eea;
    color: #667eea;
}

.tab-content {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.integration-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.demo-code h4,
.demo-preview h4 {
    margin-bottom: 1rem;
    color: #333;
}

.demo-code pre {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.5;
}

.demo-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.api-response {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.plugin-features {
    list-style: none;
}

.plugin-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: #666;
}

.plugin-features i {
    color: #10b981;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

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

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.about-feature i {
    font-size: 1.5rem;
    color: #667eea;
    margin-top: 0.25rem;
}

.about-feature h4 {
    margin-bottom: 0.5rem;
}

.about-feature p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-stats-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 300px;
}

.visual-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.visual-stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
}

.stat-text {
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    margin-top: 0.25rem;
}

.contact-item h4 {
    margin-bottom: 0.25rem;
}

.contact-item p {
    margin-bottom: 0;
    color: #666;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 1.5rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: #444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #667eea;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright p {
    color: #ccc;
    margin-bottom: 0;
}

.footer-legal p {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }

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

    .pricing-card.popular {
        transform: none;
    }

    .integration-demo {
        grid-template-columns: 1fr;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }

    .payment-demo {
        width: 100%;
        max-width: 350px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Demo Modal Styles */
.demo-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.demo-modal.show {
    opacity: 1;
    visibility: visible;
}

.demo-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.demo-modal-content {
    position: relative;
    max-width: 800px;
    margin: 50px auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideInUp 0.3s ease;
}

.demo-modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.demo-modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.demo-modal-close {
    background: transparent;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s;
}

.demo-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.demo-modal-body {
    padding: 30px;
}

.demo-video-container {
    margin-bottom: 30px;
}

.demo-animation {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    min-height: 300px;
    position: relative;
}

.demo-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.demo-step.active {
    display: block;
}

.demo-step h4 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
    font-size: 1.3rem;
}

.demo-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.customer, .merchant {
    background: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    font-weight: 600;
    font-size: 1.1rem;
}

.arrow {
    font-size: 2rem;
    color: #667eea;
    animation: bounce 2s infinite;
}

.amount {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1.2rem;
}

.networks {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 400px;
}

.network {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.network.optimal {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.network-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
}

.network.ethereum .network-icon {
    background: linear-gradient(135deg, #627eea 0%, #4f46e5 100%);
}

.network.polygon .network-icon {
    background: linear-gradient(135deg, #8247e5 0%, #d946ef 100%);
}

.network-info {
    flex: 1;
}

.network-name {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.network-fee {
    color: #666;
    font-size: 0.9rem;
}

.optimal-badge {
    background: #10b981;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.selection {
    text-align: center;
    padding: 20px;
}

.selected-network {
    background: #10b981;
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: inline-block;
}

.savings {
    background: #f0f9ff;
    color: #0369a1;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
}

.success {
    text-align: center;
    padding: 20px;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.success-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #10b981;
    margin-bottom: 20px;
}

.transaction-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.transaction-info div {
    background: white;
    padding: 10px 15px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-weight: 600;
    color: #333;
}

.demo-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.demo-controls button {
    padding: 10px 20px;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.demo-controls button:hover:not(:disabled) {
    background: #667eea;
    color: white;
}

.demo-controls button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.demo-features {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.demo-features h4 {
    margin-bottom: 15px;
    color: #333;
}

.demo-features ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.demo-features li {
    color: #666;
    font-weight: 500;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes slideInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Enhanced Demo Styles */
.payment-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.customer-info, .merchant-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.avatar, .store-icon {
    font-size: 3rem;
}

.details, .store-details {
    text-align: left;
}

.name, .store-name {
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.action {
    color: #666;
    font-size: 0.9rem;
}

.amount-display {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.payment-arrow {
    font-size: 2rem;
    color: #667eea;
    margin: 1rem 0;
    text-align: center;
}

.payment-methods {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.method-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.5rem;
    min-width: 200px;
    transition: all 0.3s ease;
    position: relative;
}

.method-card.selected {
    border-color: #667eea;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
    transform: scale(1.05);
}

.method-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.method-name {
    font-weight: 700;
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.method-desc {
    color: #666;
    font-size: 0.85rem;
}

.recommended-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
    display: inline-block;
}

.network-comparison {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

.network-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    min-width: 180px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    position: relative;
}

.network-card.ethereum {
    border-color: #ff4444;
}

.network-card.polygon {
    border-color: #8247E5;
}

.network-card.optimal {
    box-shadow: 0 8px 24px rgba(130, 71, 229, 0.3);
    transform: scale(1.1);
}

.optimal-flash {
    position: absolute;
    top: -12px;
    right: -12px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    animation: pulse 2s infinite;
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.4);
}

.network-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.network-logo {
    font-size: 2rem;
}

.network-title {
    font-weight: 700;
    color: #333;
}

.network-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    color: #666;
}

.fee-high {
    color: #ff4444;
    font-weight: 700;
}

.fee-low {
    color: #00cc66;
    font-weight: 700;
}

.vs-divider {
    font-weight: 900;
    font-size: 1.5rem;
    color: #999;
}

.success-animation {
    text-align: center;
}

.success-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00cc66 0%, #00994d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 24px rgba(0, 204, 102, 0.3);
}

.checkmark {
    color: white;
    font-size: 4rem;
    font-weight: 700;
}

.success-title {
    color: #00cc66;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.payment-summary {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row.savings-row {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    margin: 0.5rem -1rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: none;
}

.highlight {
    font-weight: 700;
    color: #333;
}

.savings-amount {
    font-weight: 700;
    color: #FF6B00;
    font-size: 1.1rem;
}

/* Demo Animations */
.animate-fade-in {
    animation: fadeIn 0.6s ease;
}

.animate-slide-up {
    animation: slideUp 0.6s ease;
}

.animate-pulse {
    animation: pulse 2s ease infinite;
}

.animate-bounce {
    animation: bounceIn 0.8s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }