/* Style */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

* {
    font-family: Inter, sans-serif;
}

body {
    background-color: #e6f0ff;
    font-family: Inter, sans-serif;
    margin: 0;
    padding: 30px;
    box-sizing: border-box;
}

.header {
    height: 250px;
    background: linear-gradient(0deg, #eaeaea 0%, #b8ffde9d 5%, #212a9e 100%);
    padding: 18px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    justify-content: center;
    align-items: center;
    display: flex;
}

.header img {
    width: 140px;
    height: auto;
    display: block;
}

.header h1 {
    letter-spacing: 0.4px;
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    margin-left: 15px;
    border-radius: 12px;
    text-shadow: 0 6px 20px rgba(0, 42, 83, 0.637);
}

nav {
            background: blue;
        }

        nav ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        nav ul li {
            float: left;
            position: relative;
        }

        nav ul li a {
            display: block;
            padding: 12px 18px;
            color: white;
            text-decoration: none;
        }

        nav ul li a:hover {
            background: darkblue;
        }

        /* submenu */
        nav ul ul {
            display: none;
            position: absolute;
            top: 40px;
            left: 0;
            background: blue;
            padding: 0;
        }

        nav ul ul li {
            float: none;
            width: 160px;
        }

        nav ul ul li a {
            padding: 10px;
        }

        nav ul li:hover > ul {
            display: block;
        }

        /* biar clear float */
        nav:after {
            content: "";
            display: block;
            clear: both;
        }

.main {
    margin: 40px auto;
    background-color: #eaeaea;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 64, 128, 0.15);
}

.main h2 {
    color: #004080;
    text-align: center;
    margin-bottom: 12px;
    font-weight: 600;
}

.main h1 {
    color: #1f2327;
    text-align: center;
    margin-bottom: 40px;
}

.main p {
    color: #004080;
    margin: 0 auto;
    font-weight: 500;
}

.footer {
    background-color: #0d2050;
    padding: 6px;
    color: #eaeaea;
    text-align: start;
}

.footer h2, p, a {
    margin-left: 40px;
}

.footer h2 {
   font-size: 26px;
}

.footer p {
    font-weight: 600;
}

.footer a {
    color: hsl(224, 79%, 54%);
}

.footer h3 {
    text-align: center;
    font-weight: 400;
    font-size: 18px;
    border-top: 1px solid rgba(128, 128, 128, 0.637);
    margin: 30px;
    padding-top: 15px;
}