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

:root {
    --primary-color: #ffd700;
    --secondary-color: #333;
    --accent-color: #ff69b4;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 15px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    background: #ffffff;
    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;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.logo i {
    color: var(--primary-color);
    margin-right: 8px;
    font-size: 28px;
}

.nav {
    display: flex;
    gap: 30px;
}

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

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

.nav-link i {
    margin-right: 5px;
    font-size: 16px;
}

.user-icon {
    width: 40px;
    height: 40px;
    background: #ff69b4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.user-icon:hover {
    transform: scale(1.1);
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.cta-button {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.cta-button:hover {
    background: #ffed4e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

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

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

.shape {
    position: absolute;
    border-radius: 8px;
    animation: float 3s ease-in-out infinite;
}

.shape-1 {
    width: 60px;
    height: 40px;
    background: #4a90e2;
    top: 20px;
    left: 50px;
    animation-delay: 0s;
}

.shape-2 {
    width: 50px;
    height: 50px;
    background: #ffd700;
    border-radius: 50%;
    top: 80px;
    left: 120px;
    animation-delay: 0.5s;
}

.shape-3 {
    width: 70px;
    height: 30px;
    background: #ff6b6b;
    top: 40px;
    right: 80px;
    animation-delay: 1s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    background: #51cf66;
    transform: rotate(45deg);
    top: 120px;
    right: 120px;
    animation-delay: 1.5s;
}

.shape-5 {
    width: 80px;
    height: 20px;
    background: #ff8cc8;
    top: 180px;
    left: 80px;
    animation-delay: 2s;
}

.shape-6 {
    width: 45px;
    height: 45px;
    background: #74c0fc;
    border-radius: 50%;
    top: 200px;
    right: 60px;
    animation-delay: 2.5s;
}

.data-panel {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
}

.data-text {
    font-family: 'Courier New', monospace;
    font-size: 18px;
    margin-bottom: 8px;
}

.waveform {
    width: 100px;
    height: 20px;
    background: linear-gradient(90deg, #00ff00, #ffff00, #ff0000);
    border-radius: 10px;
    margin: 0 auto;
}

.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.line {
    position: absolute;
    background: #ddd;
    height: 2px;
    animation: pulse 2s ease-in-out infinite;
}

.line-1 {
    width: 80px;
    top: 40px;
    left: 110px;
    transform: rotate(15deg);
    animation-delay: 0s;
}

.line-2 {
    width: 60px;
    top: 100px;
    left: 170px;
    transform: rotate(-20deg);
    animation-delay: 0.5s;
}

.line-3 {
    width: 90px;
    top: 160px;
    left: 100px;
    transform: rotate(10deg);
    animation-delay: 1s;
}

.line-4 {
    width: 70px;
    top: 220px;
    left: 150px;
    transform: rotate(-15deg);
    animation-delay: 1.5s;
}

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

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

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

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 60px;
}

.highlight {
    color: #ffd700;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: #ffd700;
    margin: 10px auto 0;
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 15px;
    background: #ffffff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    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, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background: #ffd700;
    transform: scale(1.1);
}

.feature-icon i {
    font-size: 32px;
    color: #333;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-icon i {
    color: #ffffff;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

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

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.pricing-card {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.pricing-header {
    background: #ffd700;
    padding: 30px 20px;
    text-align: center;
}

.price {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.plan-name {
    font-size: 18px;
    color: #666;
    font-weight: 500;
}

.pricing-features {
    padding: 30px 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #333;
}

.feature-item i {
    color: #ffd700;
    margin-right: 12px;
    font-size: 16px;
    width: 20px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: #ffffff;
    text-align: center;
}

/* Footer */
.footer {
    background: #f8f9fa;
    padding: 40px 0;
    border-top: 1px solid #e9ecef;
}

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

.language-btn {
    background: #ffffff;
    border: 1px solid #ddd;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-btn:hover {
    background: #ffd700;
    border-color: #ffd700;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.footer-link {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #ffd700;
}

.separator {
    color: #ccc;
}

.copyright {
    color: #999;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .network-diagram {
        width: 350px;
        height: 280px;
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .nav {
        gap: 20px;
    }
    
    .nav-link span {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer .container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .network-diagram {
        width: 300px;
        height: 250px;
    }
    
    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav {
        gap: 15px;
    }
}