body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6fb;
    color: #222;
}

header {
    background: #0d1b2a;
    padding: 15px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

header img {
    height: 55px;
}

header h1 {
    font-size: 20px;
    color: white;
    margin: 0;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 18px;
    font-size: 14px;
    font-weight: bold;
}

nav a:hover {
    color: #00d4ff;
}

.hero {
    background: linear-gradient(to right, #1b263b, #415a77);
    color: white;
    text-align: center;
    padding: 90px 8%;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 18px;
    max-width: 900px;
    margin: auto;
    line-height: 1.7;
}

.container {
    padding: 60px 8%;
}

.container h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #0d1b2a;
}

.container p {
    font-size: 16px;
    line-height: 1.8;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0px 3px 12px rgba(0,0,0,0.08);
}

.card h3 {
    margin-top: 0;
    color: #1b263b;
}

.btn {
    display: inline-block;
    padding: 12px 22px;
    background: #00d4ff;
    color: #0d1b2a;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    margin-top: 15px;
}

.btn:hover {
    background: #00b6da;
}

footer {
    background: #0d1b2a;
    color: white;
    text-align: center;
    padding: 25px 8%;
    margin-top: 40px;
}

footer p {
    margin: 6px 0;
    font-size: 14px;
}