:root {
    --latar-gelap: #0f1115;
    --latar-panel: rgba(20, 24, 30, 0.7);
    --cahaya-emas: #fbb03b;
    --emas-redup: rgba(251, 176, 59, 0.2);
    --teks-utama: #e0e6ed;
    --teks-redup: #8b96a5;
    --font-judul: 'Orbitron', sans-serif;
    --font-teks: 'Space Grotesk', sans-serif;
    --cahaya-batas: 0 0 10px rgba(251, 176, 59, 0.5), 0 0 20px rgba(251, 176, 59, 0.3);
}

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

body {
    background-color: var(--latar-gelap);
    color: var(--teks-utama);
    font-family: var(--font-teks);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    background-image: 
        linear-gradient(rgba(15, 17, 21, 0.9), rgba(15, 17, 21, 0.9)),
        url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M10 0 L10 100 M0 10 L100 10" stroke="rgba(251,176,59,0.05)" stroke-width="1" fill="none"/></svg>');
}

/* Garis Latar Belakang */
.garis-siber {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    pointer-events: none;
}
.garis-siber::after, .garis-siber::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--cahaya-emas), transparent);
    opacity: 0.2;
    animation: garisPindai 8s linear infinite;
}
.garis-siber::before { left: 10%; animation-delay: 0s; }
.garis-siber::after { right: 10%; animation-delay: 4s; }

@keyframes garisPindai {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

/* Elemen Tipografi */
h1, h2, h3, h4, .logo, .pesan-sistem, .tombol-siber {
    font-family: var(--font-judul);
    text-transform: uppercase;
}

.teks-bercahaya {
    color: var(--cahaya-emas);
    text-shadow: 0 0 8px var(--cahaya-emas);
}

.sorotan {
    color: #fff;
    -webkit-text-stroke: 1px var(--cahaya-emas);
    text-shadow: 0 0 15px var(--emas-redup);
}

/* Navigasi */
.navigasi {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--emas-redup);
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
}

.tautan-navigasi {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.tautan-navigasi a {
    color: var(--teks-utama);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    transition: color 0.3s;
}

.tautan-navigasi a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--cahaya-emas);
    transition: width 0.3s;
    box-shadow: var(--cahaya-batas);
}

.tautan-navigasi a:hover {
    color: var(--cahaya-emas);
}

.tautan-navigasi a:hover::after {
    width: 100%;
}

/* Bagian Umum */
section {
    min-height: 100vh;
    padding: 100px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.judul-bagian {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    width: 100%;
}

.judul-bagian.kanan { flex-direction: row; }
.judul-bagian.tengah { justify-content: center; }

.judul-bagian h2 {
    font-size: 2rem;
    letter-spacing: 2px;
}

.judul-bagian .garis {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--cahaya-emas), transparent);
    box-shadow: 0 0 5px var(--cahaya-emas);
}

.judul-bagian.kanan .garis {
    background: linear-gradient(270deg, var(--cahaya-emas), transparent);
}

.judul-bagian.tengah .garis {
    flex: 0; width: 0; background: transparent;
}

.panel-kaca {
    background: var(--latar-panel);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.panel-kaca::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--cahaya-emas), transparent);
    opacity: 0.5;
}

/* Bagian Pembuka (Hero) */
.pembuka {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.konten-pembuka {
    flex: 1;
    z-index: 2;
}

.pesan-sistem {
    color: var(--cahaya-emas);
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.pembuka h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.subjudul {
    font-size: 1.2rem;
    color: var(--teks-redup);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.tombol-aksi {
    display: flex;
    gap: 1.5rem;
}

.tombol-siber {
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--cahaya-emas);
    color: var(--cahaya-emas);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 0 10px var(--emas-redup) inset;
}

.tombol-siber:hover {
    background: var(--cahaya-emas);
    color: var(--latar-gelap);
    box-shadow: var(--cahaya-batas);
}

.tombol-siber.sekunder {
    border-color: var(--teks-redup);
    color: var(--teks-utama);
    box-shadow: none;
}

.tombol-siber.sekunder:hover {
    border-color: var(--cahaya-emas);
    color: var(--cahaya-emas);
    background: var(--emas-redup);
}

.wadah-gambar-pembuka {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.lingkaran-tekno {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 2px dashed var(--teks-redup);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: putarLambat 20s linear infinite;
}

.lingkaran-dalam {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid var(--emas-redup);
    border-top-color: var(--cahaya-emas);
    border-bottom-color: var(--cahaya-emas);
    animation: putarCepat 10s linear infinite reverse;
    box-shadow: inset 0 0 20px var(--emas-redup);
}

.inti {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--cahaya-emas);
    border-radius: 50%;
    box-shadow: 0 0 50px var(--cahaya-emas);
    animation: denyut 2s ease-in-out infinite;
}

@keyframes putarLambat { 100% { transform: rotate(360deg); } }
@keyframes putarCepat { 100% { transform: rotate(360deg); } }
@keyframes denyut {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 80px var(--cahaya-emas); }
}

/* Tentang */
.konten-tentang {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}
@media (min-width: 768px) {
    .konten-tentang.kisi-2 {
        flex-direction: row;
        align-items: center;
    }
    .foto-profil-wadah {
        flex: 1;
        display: flex;
        justify-content: center;
    }
    .teks-tentang {
        flex: 2;
    }
}
.foto-profil {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 12px;
    border: 2px solid var(--cahaya-emas);
    box-shadow: 0 0 20px var(--emas-redup);
    object-fit: cover;
    display: block;
}

.statistik {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px dashed var(--teks-redup);
}

.item-statistik h3 {
    font-size: 2.5rem;
}

/* Keahlian */
.kisi-keahlian {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.kartu-keahlian {
    background: var(--latar-panel);
    padding: 1.5rem;
    border-left: 3px solid var(--cahaya-emas);
}

.kepala-keahlian {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-family: var(--font-judul);
}

.bilah-progres {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progres {
    height: 100%;
    background: var(--cahaya-emas);
    box-shadow: 0 0 10px var(--cahaya-emas);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 1.5s cubic-bezier(0.1, 0.5, 0.2, 1);
}

.kartu-keahlian.terlihat .progres {
    transform: scaleX(1);
}

/* Timeline (Pendidikan & Pengalaman) */
.timeline {
    position: relative;
    padding-left: 20px;
    margin-bottom: 1rem;
    border-left: 2px solid var(--emas-redup);
}
.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -27px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--latar-gelap);
    border: 2px solid var(--cahaya-emas);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cahaya-emas);
}
@media (min-width: 768px) {
    .timeline-item {
        flex-direction: row;
        gap: 2rem;
    }
}
.timeline-date {
    font-family: var(--font-judul);
    color: var(--cahaya-emas);
    font-weight: 700;
    min-width: 180px;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    letter-spacing: 1px;
}
.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--teks-utama);
    font-size: 1.1rem;
    letter-spacing: 1px;
}
.timeline-content p {
    color: var(--teks-redup);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Kontak */
.panel-kontak {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.info-kontak {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: left;
    margin-bottom: 2.5rem;
}

.item-kontak {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 1.1rem;
    color: var(--teks-utama);
}

.item-kontak i {
    font-size: 1.5rem;
    color: var(--cahaya-emas);
    text-shadow: 0 0 10px var(--emas-redup);
    width: 24px;
    text-align: center;
}

.garis-pembatas {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cahaya-emas), transparent);
    opacity: 0.3;
    margin: 2rem 0;
}

.sosial-media {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.ikon-sosial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--teks-utama);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.ikon-sosial:hover {
    color: var(--latar-gelap);
    background: var(--cahaya-emas);
    border-color: var(--cahaya-emas);
    box-shadow: 0 0 15px var(--cahaya-emas);
    transform: translateY(-5px);
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--teks-redup);
    font-family: var(--font-judul);
    font-size: 0.8rem;
    letter-spacing: 2px;
}

/* Responsif */
@media (max-width: 768px) {
    .pembuka {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 150px;
    }
    
    .tombol-aksi {
        justify-content: center;
    }

    .wadah-gambar-pembuka {
        margin-top: 4rem;
        transform: scale(0.8);
    }
    
    .pembuka h1 { font-size: 3rem; }
    
    .tautan-navigasi {
        display: none; 
    }
}