```css
/* 
   4. COMMENT
   CSS untuk website CV pribadi
*/


/* 5. SELECTOR */
/* Selector universal */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* 2. COLOR */
body {
    background-color: #f1f5f9;
    color: #1e293b;
    font-family: Arial, sans-serif;
}


/* HEADER */
.header {
    background-color: #0f172a;
    color: white;
    padding: 25px 8%;
}


/* 3. BOX MODEL */
.profile {
    padding: 20px;
    margin-bottom: 20px;
}


/* Foto profil */
.foto {
    width: 80px;
    height: 80px;

    background-color: #38bdf8;
    color: white;

    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    font-size: 35px;
    font-weight: bold;

    margin-right: 20px;
}


/* 6. DISPLAY MODE */
.profile {
    display: flex;
    align-items: center;
}


/* Menu */
.menu {
    display: flex;
    gap: 25px;
}

.menu a {
    color: white;
    text-decoration: none;
}

.menu a:hover {
    color: #38bdf8;
}


/* Container */
.container {
    width: 85%;
    max-width: 1000px;

    margin: 30px auto;
}


/* Card */
.card {
    background-color: white;

    padding: 25px;
    margin-bottom: 20px;

    border: 1px solid #e2e8f0;
    border-radius: 12px;

    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}


.card h2 {
    color: #0f172a;
    margin-bottom: 15px;

    border-left: 5px solid #38bdf8;
    padding-left: 10px;
}


/* 8. GRID */
.grid-container {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 20px;
}


/* Skill */
.skill-list {
    list-style: none;
}

.skill-list li {
    background-color: #e0f2fe;

    margin: 8px 0;
    padding: 10px;

    border-radius: 6px;
}


/* Pengalaman dan pendidikan */
.item {
    margin-top: 10px;
}

.item h3 {
    margin-bottom: 5px;
}


/* 7. POSITION */
.badge {
    position: fixed;

    right: 20px;
    bottom: 20px;

    background-color: #0f172a;
    color: white;

    width: 50px;
    height: 50px;

    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    font-weight: bold;
}


/* Footer */
footer {
    text-align: center;

    background-color: #0f172a;
    color: white;

    padding: 20px;
}


/* 9. MEDIA QUERY */
/* Tampilan untuk layar HP */
@media (max-width: 768px) {

    .header {
        padding: 20px;
    }

    .container {
        width: 90%;
    }

    .profile {
        flex-direction: column;
        text-align: center;
    }

    .foto {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .menu {
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }

    /* Grid berubah menjadi 1 kolom */
    .grid-container {
        grid-template-columns: 1fr;
    }
}
```