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

body {
    font-family: "Segoe UI", Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

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

header {
    background: #0b1c2d;
    color: #fff;
    padding: 20px 0;
}

header h1 {
    display: inline-block;
    font-size: 28px;
    letter-spacing: 2px;
}

nav {
    float: right;
}

nav a {
    color: #fff;
    margin-left: 20px;
    text-decoration: none;
    font-weight: 500;
}

.hero {
    background: linear-gradient(to right, #0b1c2d, #143a5a);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.btn {
    background: #00aaff;
    color: #fff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.section {
    padding: 60px 0;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 30px;
}

.section.light {
    background: #f4f6f8;
}

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

.card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    flex: 1;
    min-width: 250px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card h3 {
    margin-bottom: 15px;
    color: #0b1c2d;
}

.contact-info {
    text-align: center;
    font-size: 18px;
}

footer {
    background: #0b1c2d;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}