/* Import Font Modern */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* Variabel Warna & Dasar */
:root {
    --primary-color: #6366f1; /* Indigo */
    --secondary-color: #a855f7; /* Purple */
    --bg-dark: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-light: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: radial-gradient(circle at top right, #1e1b4b, #0f172a);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

/* --- NAVIGASI (Sticky Glassmorphism) --- */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
    gap: 15px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

nav ul li a:hover, nav ul li a.active {
    color: white;
    background: var(--primary-color);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* --- MAIN CONTENT --- */
main {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
}

section {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2, h3 {
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

/* --- HOME SECTION --- */
#home {
    text-align: center;
}

#home img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    margin-bottom: 20px;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

#home h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

/* --- LAYOUT RIWAYAT PENDIDIKAN (Sidebar) --- */
#riwayat {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.pendidikan-sidebar {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.pendidikan-sidebar ul {
    list-style: none;
}

.pendidikan-sidebar ul li a {
    display: block;
    padding: 10px;
    color: var(--text-dim);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 5px;
    transition: 0.3s;
}

.pendidikan-sidebar ul li a:hover, .pendidikan-sidebar ul li a.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding-left: 20px;
}

.pendidikan-content {
    flex: 3;
}

.foto-pendidikan img {
    margin-top: 20px;
    border-radius: 15px;
    filter: grayscale(30%);
    transition: 0.5s;
}

.foto-pendidikan img:hover {
    filter: grayscale(0%);
    transform: scale(1.02);
}

/* --- FORM & BUKU TAMU --- */
form {
    display: flex;
    flex-direction: column;
}

input, textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 12px 15px;
    border-radius: 10px;
    color: white;
    margin-bottom: 15px;
    outline: none;
    font-family: inherit;
}

input:focus, textarea:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(168, 85, 247, 0.3);
}

#komentarList {
    margin-top: 40px;
}

#list {
    list-style: none;
}

#list li {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 4px solid var(--secondary-color);
}

#list button {
    padding: 5px 12px;
    font-size: 0.8rem;
    margin-top: 10px;
    background: #ef4444;
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    #riwayat {
        flex-direction: column;
    }
    
    nav ul {
        gap: 5px;
    }
    
    nav ul li a {
        font-size: 0.8rem;
        padding: 5px 10px;
    }
}