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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #fff;
    background: #101010;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Abstract circular background shapes */
body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: -150px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo h1 {
    font-size: 32px;
    color: #6BB6FF;
    font-weight: 700;
}

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

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #6BB6FF;
}

main {
    padding: 60px 0;
}

.hero {
    text-align: center;
    margin-bottom: 100px;
    padding: 40px 0;
}

.hero h2 {
    font-size: 48px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 700;
}

.subtitle {
    font-size: 24px;
    color: #6BB6FF;
    margin-bottom: 30px;
    font-weight: 600;
}

.description {
    font-size: 18px;
    color: #ccc;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.features {
    margin-bottom: 100px;
}

.features h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 60px;
    color: #fff;
    font-weight: 700;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(107, 182, 255, 0.2);
    border-color: rgba(107, 182, 255, 0.3);
}

.feature h4 {
    font-size: 24px;
    color: #6BB6FF;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature p {
    color: #ccc;
    line-height: 1.8;
    font-size: 16px;
}

.contact {
    text-align: center;
    padding: 60px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 60px;
}

.contact h3 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 700;
}

.contact p {
    font-size: 18px;
    margin-bottom: 10px;
    color: #ccc;
}

.contact a {
    color: #6BB6FF;
    text-decoration: none;
    font-weight: 600;
}

.contact a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 20px;
    }

    nav {
        gap: 20px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .subtitle {
        font-size: 20px;
    }

    .description {
        font-size: 16px;
    }

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

    .features h2 {
        font-size: 32px;
    }
}