* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #f5f7fa;
    color: #222;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

header {
    background: #0b1c2d;
    color: #fff;
    padding: 15px 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

nav a {
    color: #fff;
    font-weight: bold;
}

.hero {
    background: linear-gradient(to right, #0b1c2d, #123c63);
    color: #fff;
    padding: 60px 20px;
    text-align: center;
}

.section {
    padding: 50px 0;
}

.section h2 {
    margin-bottom: 20px;
    color: #0b1c2d;
}

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

.card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.card img {
    width: 100%;
    border-radius: 6px;
}

.card h3 {
    margin: 15px 0;
}

.btn {
    display: inline-block;
    margin-top: 10px;
    background: #ff9800;
    color: #fff;
    padding: 10px 18px;
    border-radius: 5px;
    font-weight: bold;
}

.btn:hover {
    background: #e68900;
}

footer {
    background: #0b1c2d;
    color: #ddd;
    padding: 30px 0;
    margin-top: 50px;
}

footer ul {
    list-style: none;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

footer a {
    color: #ddd;
    font-size: 14px;
}

.notice {
    background: #fff3cd;
    padding: 15px;
    border-left: 5px solid #ff9800;
    margin-bottom: 20px;
}