:root {
    --warna-utama: #165a94;
    --warna-utama-gelap: #0f4373;
    --warna-latar: #d2e7f5;
    --warna-garis: #c4d8e7;
    --warna-teks: #22303c;
}

/*
Definisikan Global Styling
*/
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--warna-teks);
    background-color: var(--warna-latar);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--warna-utama);
}

/* Styling untuk Header */
header {
    padding: 32px 20px;
    background-color: var(--warna-utama);
    color: white;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

header p {
    margin: 8px 0 0;
}

/* Styling untuk Navigation */
nav {
    padding: 14px 20px;
    background-color: white;
    border-bottom: 1px solid var(--warna-garis);
    text-align: center;
}

nav a {
    display: inline-block;
    margin: 4px 10px;
    color: var(--warna-utama);
    font-weight: bold;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

/* Styling untuk Main */
main {
    width: 90%;
    max-width: 1000px;
    margin: 24px auto;
}

/* Layout menggunakan CSS Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

/* Styling untuk Section */
section {
    padding: 24px;
    background-color: white;
    border: 1px solid var(--warna-garis);
    border-radius: 16px;
}

section h2 {
    margin-top: 0;
    color: var(--warna-utama);
    text-align: center;
}

/* Profile section menggunakan Flexbox */
.profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
    position: relative;
}

.profile-info {
    flex: 1;
    min-width: 0;
}

.profile-info h2 {
    margin-bottom: 8px;
}

.profile-info p {
    margin: 5px 0;
}

/* Foto profil biodata dengan rasio 3:4 */
.profile-photo {
    display: block;
    width: 100%;
    max-width: 200px;
    aspect-ratio: 3 / 4;
    height: auto;
    object-fit: cover;
    object-position: center;
    border: 3px solid var(--warna-utama);
    border-radius: 12px;
    margin: 0 auto;
    flex-shrink: 0;
}

/* Foto profil bulat khusus halaman Home */
.profile-photo-home {
    width: 200px;
    height: 200px;
    max-width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
    border: 4px solid var(--warna-utama);
    border-radius: 50%;
}

/* Badge */
.badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    background-color: var(--warna-utama);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

/* Styling untuk Hobbies */
#hobbies ol,
#hobbies ul {
    padding-left: 24px;
}

#hobbies li {
    margin-bottom: 6px;
}

/* Tabel */
.table-container {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    border: 1px solid var(--warna-garis);
}

th {
    background-color: var(--warna-utama);
    color: white;
}

tbody tr:nth-child(even) {
    background-color: var(--warna-latar);
}

/* Form */
form {
    display: grid;
    gap: 16px;
}

.form-group {
    display: grid;
    gap: 6px;
}

label {
    font-weight: bold;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #b9cfe0;
    border-radius: 8px;
    font: inherit;
    background-color: white;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--warna-utama);
    outline-offset: 2px;
}

button {
    width: fit-content;
    max-width: 100%;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background-color: var(--warna-utama);
    color: white;
    font: inherit;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background-color: var(--warna-utama-gelap);
}

/* Galeri foto menggunakan Flexbox sesuai persyaratan dosen */
.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 16px;
    background-color: white;
    padding: 24px;
    border: 1px solid var(--warna-garis);
    border-radius: 16px;
}

.gallery figure {
    flex: 1 1 200px;
    max-width: 250px;
    min-width: 0;
    margin: 0;
}

.gallery img {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: contain;
    background-color: #eef5fb;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.gallery figcaption {
    margin-top: 8px;
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Styling untuk Footer */
footer {
    margin-top: 24px;
    padding: 24px 20px;
    background-color: var(--warna-utama);
    color: white;
    text-align: center;
}

footer p {
    margin: 4px 0;
}

/* Penyesuaian untuk tablet dan layar besar */
@media (min-width: 768px) {
    .content-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .profile {
        grid-column: 1 / -1;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }

    .profile-info h2 {
        text-align: center;
    }

    #contact {
        grid-column: 1 / -1;
    }
}

/* Penyesuaian untuk layar HP */
@media (max-width: 600px) {
    header {
        padding: 24px 16px;
    }

    header h1 {
        font-size: 1.6rem;
    }

    nav {
        padding: 10px;
    }

    nav a {
        margin: 4px 6px;
    }

    main {
        width: 94%;
        margin: 16px auto;
    }

    section {
        padding: 16px;
    }

    .gallery {
        padding: 16px;
        gap: 16px;
    }

    .gallery figure {
        flex: 1 1 100%;
        max-width: 100%;
    }

    .gallery img {
        height: 220px;
    }

    .profile-photo {
        max-width: 200px;
    }

    th,
    td {
        padding: 8px;
    }

    input,
    select,
    textarea {
        font-size: 16px;
    }
}