/* --- Variabel Global & Reset --- */
:root {
    --primary-bg: #1f2937; /* abu-abu gelap */
    --secondary-bg: #f3f4f6; /* abu-abu terang */
    --text-light: #f9fafb;
    --text-dark: #111827;
    --border-color: #1f2937;
    --card-bg: #ffffff;
    --link-color: #d1d5db;
    --link-hover: #ffffff;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--secondary-bg);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
}

ul {
    list-style: none;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 0.5em;
}

/* --- Layout --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.main-section {
    margin-bottom: 3rem;
}

/* --- Header --- */
.site-header {
    background-color: var(--primary-bg);
    color: var(--text-light);
    padding: 2rem 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.site-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

.site-header .subtitle {
    font-size: 1.25rem;
    color: var(--link-color);
    margin-bottom: 1rem;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
}

/* --- Judul Section --- */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    border-bottom: 4px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* --- Card --- */
.card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out; /* Animasi transisi */
}

.card:hover {
    transform: translateY(-5px); /* Mengangkat kartu ke atas */
    box-shadow: 0 8px 16px rgba(0,0,0,0.1); /* Menambah bayangan agar lebih menonjol */
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

/* --- Keahlian --- */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr; /* Default untuk mobile */
    gap: 1.5rem;
}

.skills-grid .card ul {
    list-style-type: disc;
    padding-left: 20px;
}

/* --- Proyek --- */
.project-list .project-card {
    margin-bottom: 2rem;
}

.project-description {
    color: #4b5563;
    margin-bottom: 1rem;
}

.project-tech {
    font-size: 0.9rem;
    color: #374151;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--primary-bg);
    color: var(--text-light);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

/* --- Responsive--- */
@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}