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

body {
    font-family: Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background: #f5f7fa;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    background: linear-gradient(135deg, #0f172a, #2563eb);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

header p {
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 1.2rem;
}

.button {
    display: inline-block;
    background: white;
    color: #2563eb;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: bold;
}

section {
    padding: 80px 0;
}

h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #0f172a;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    gap: 25px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.card h3 {
    margin-bottom: 15px;
    color: #1d4ed8;
}

.cta {
    background: #1e293b;
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
}

.contact form {
    max-width: 700px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input,
textarea {
    padding: 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
}

button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background: #1d4ed8;
}

footer {
    background: #0f172a;
    color: white;
    text-align: center;
    padding: 25px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }

    header p {
        font-size: 1rem;
    }
}