* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid #1a1a1a;
    z-index: 1000;
    padding: 20px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #00d4ff;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00d4ff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #b0b0b0;
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-description {
    font-size: 1.1rem;
    color: #888888;
    margin-bottom: 40px;
    max-width: 700px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #333333;
}

.btn-secondary:hover {
    border-color: #00d4ff;
    color: #00d4ff;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: #111111;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: #00d4ff;
    margin-bottom: 10px;
}

.stat-item p {
    color: #b0b0b0;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #0a0a0a;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.section-subtitle {
    text-align: center;
    color: #888888;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #333333;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-card p {
    color: #b0b0b0;
    line-height: 1.7;
}

/* Technology Section */
.technology {
    padding: 100px 0;
    background: #111111;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.tech-item {
    padding: 30px;
    background: #1a1a1a;
    border-radius: 12px;
    border: 1px solid #333333;
}

.tech-item h4 {
    color: #00d4ff;
    margin-bottom: 10px;
}

/* Security Section */
.security {
    padding: 100px 0;
    background: #0a0a0a;
    text-align: center;
}

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

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.security-item {
    padding: 30px;
    background: #1a1a1a;
    border-radius: 12px;
    border: 1px solid #333333;
}

.security-item h4 {
    color: #ffffff;
    margin-bottom: 15px;
}

.security-item p {
    color: #b0b0b0;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #111111;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.contact-item {
    padding: 40px;
    background: #1a1a1a;
    border-radius: 12px;
    border: 1px solid #333333;
}

.contact-item h4 {
    color: #00d4ff;
    margin-bottom: 15px;
}

.contact-item a {
    color: #ffffff;
    text-decoration: none;
}

.contact-item a:hover {
    color: #00d4ff;
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 60px 0 30px;
    border-top: 1px solid #1a1a1a;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #ffffff;
    margin-bottom: 20px;
}

.footer-section a {
    color: #888888;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1a1a1a;
    color: #666666;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .nav-links {
        display: none;
    }

    .cta-buttons {
        flex-direction: column;
    }

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

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

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}