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

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #0f172a;
    color: #f1f5f9;
}

.container {
    width: 85%;
    margin: auto;
    padding: 60px 0;
}

.hero {
    text-align: center;
    padding: 120px 0;
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 30px;
    color: #94a3b8;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: 0.3s;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: #22c55e;
    color: white;
}

.btn-secondary:hover {
    background-color: #16a34a;
}

.section {
    background-color: #1e293b;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    background-color: #0f172a;
    padding: 25px;
    border-radius: 8px;
    transition: 0.3s;
}

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

.download {
    text-align: center;
    background-color: #0f172a;
    margin-bottom: 20px;
}

.download p {
    margin-bottom: 18px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #1e293b;
}

.center {
    text-align: center;
}

.section h2 {
    margin-bottom: 50px;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}