* {
    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: #e0e0e0;
    background: linear-gradient(135deg, #0a1128 0%, #1a2847 100%);
    min-height: 100vh;
}

header {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem 0;
    overflow: hidden;
    height: 250px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.banner {
    width: 100%;
    height: auto;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

section {
    margin-bottom: 3rem;
}

.intro {
    text-align: center;
    padding: 2rem 0;
}

.intro h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #b0b0b0;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.features h2,
.about h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #fff;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, background 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #667eea;
}

.about {
    max-width: 800px;
    margin: 3rem auto;
    text-align: center;
}

.about p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #b0b0b0;
    line-height: 1.8;
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    color: #808080;
}

footer a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #764ba2;
}

@media (max-width: 768px) {
    .intro h1 {
        font-size: 2rem;
    }

    .intro p {
        font-size: 1rem;
    }

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