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

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

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

/* Header Styles */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 150px;
    height: 50px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #007bff;
}

.nav-link i {
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

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

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-secondary:hover {
    background-color: #007bff;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Network Graphic */
.hero-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
}

.network-graphic {
    position: relative;
    width: 400px;
    height: 300px;
}

.waveform {
    position: absolute;
    top: 50px;
    left: 50px;
    width: 300px;
    height: 60px;
    background: linear-gradient(90deg, #007bff, #28a745, #ffc107, #dc3545);
    border-radius: 30px;
    animation: wave 3s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.2); }
}

.data-block {
    position: absolute;
    top: 150px;
    left: 100px;
    background-color: #333;
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.geometric-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 4px;
}

.shape-1 {
    top: 20px;
    right: 80px;
    width: 40px;
    height: 40px;
    background-color: #007bff;
    transform: rotate(45deg);
}

.shape-2 {
    top: 80px;
    right: 20px;
    width: 30px;
    height: 30px;
    background-color: #28a745;
    border-radius: 50%;
}

.shape-3 {
    bottom: 60px;
    right: 120px;
    width: 50px;
    height: 20px;
    background-color: #ffc107;
}

.shape-4 {
    bottom: 20px;
    right: 40px;
    width: 25px;
    height: 25px;
    background-color: #dc3545;
    transform: rotate(45deg);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 3rem;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background-color: #f8f9fa;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: #007bff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1rem;
}

.feature-description {
    color: #666;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-header {
    background-color: #007bff;
    color: white;
    padding: 2rem;
    text-align: center;
}

.pricing-title {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2rem;
    font-weight: bold;
}

.pricing-features {
    padding: 2rem;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    color: #666;
}

.pricing-feature i {
    color: #28a745;
    font-size: 0.9rem;
}

/* Call to Action */
.cta {
    padding: 80px 0;
    background-color: #fff;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: #333;
    color: white;
    padding: 2rem 0;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #007bff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .nav {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .network-graphic {
        width: 300px;
        height: 200px;
    }
    
    .waveform {
        width: 200px;
        left: 30px;
    }
    
    .data-block {
        left: 60px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}