:root {
    --bg: #101010;
    --panel: #1b1b1b;
    --green: #b7ff00;
    --yellow: #ffd43b;
    --pink: #e879a5;
    --text: #f5f5f5;
    --text-2: #a0a0a0;
    --font-pixel: 'Press Start 2P', monospace;
    --font-body: 'Inter', system-ui, sans-serif;
    --nav-h: 64px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

img { image-rendering: pixelated; max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: min(1100px, 92%); margin-inline: auto; }
.accent { color: var(--green); }

/* Tipografi pixel */
.px-title { font-family: var(--font-pixel); line-height: 1.5; }
.px-label {
    font-family: var(--font-pixel);
    font-size: 10px;
    color: var(--yellow);
    letter-spacing: 1px;
}

/* Panel dengan border pixel */
.px-panel {
    background: var(--panel);
    padding: 16px;
    box-shadow:
        -4px 0 0 0 var(--green),
        4px 0 0 0 var(--green),
        0 -4px 0 0 var(--green),
        0 4px 0 0 var(--green);
}

/* Tombol pixel */
.px-btn {
    display: inline-block;
    font-family: var(--font-pixel);
    font-size: 11px;
    padding: 14px 18px;
    cursor: pointer;
    border: 0;
    transition: transform .1s steps(2), filter .1s;
    box-shadow:
        -4px 0 0 0 #000, 4px 0 0 0 #000,
        0 -4px 0 0 #000, 0 4px 0 0 #000;
}
.px-btn:hover { transform: translateY(-3px); filter: brightness(1.1); }
.px-btn:active { transform: translateY(1px); }
.px-btn--primary { background: var(--green); color: #101010; }
.px-btn--ghost { background: var(--panel); color: var(--text); box-shadow:
    -4px 0 0 0 var(--pink), 4px 0 0 0 var(--pink),
    0 -4px 0 0 var(--pink), 0 4px 0 0 var(--pink); }

/* Progress bar pixel */
.px-bar {
    flex: 1;
    height: 16px;
    background: #000;
    border: 3px solid #333;
    overflow: hidden;
}
.px-bar__fill {
    height: 100%;
    width: 0;
    background: var(--green);
    background-image: repeating-linear-gradient(90deg, transparent 0 6px, rgba(0,0,0,.25) 6px 8px);
}
.px-bar__fill--green { background-color: var(--green); }
.px-bar__fill--yellow { background-color: var(--yellow); }

/* Loading screen */
.loading {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--bg);
    display: grid; place-items: center;
    transition: opacity .4s steps(4), visibility .4s;
}
.loading.is-hidden { opacity: 0; visibility: hidden; }
.loading__box { width: min(420px, 86%); text-align: center; }
.loading__title { font-size: 20px; margin-bottom: 28px; }
.loading__text { font-family: var(--font-pixel); font-size: 10px; color: var(--text-2); margin-bottom: 14px; }
.loading__pct { font-family: var(--font-pixel); font-size: 12px; color: var(--yellow); margin-top: 12px; }

/* Navbar */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-h);
    padding: 0 4%;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(16,16,16,.92);
    border-bottom: 4px solid var(--panel);
    backdrop-filter: blur(4px);
}
.navbar__brand { font-size: 14px; }
.navbar__menu { display: flex; gap: 22px; }
.navbar__menu a {
    font-family: var(--font-pixel);
    font-size: 9px;
    color: var(--text-2);
    padding: 8px 2px;
    transition: color .15s;
}
.navbar__menu a:hover { color: var(--green); }
.navbar__menu a:hover::before { content: '▶ '; }

.navbar__toggle {
    display: none;
    background: none; border: 0; cursor: pointer;
    width: 36px; height: 36px;
    flex-direction: column; justify-content: center; gap: 6px;
}
.navbar__toggle span { display: block; height: 4px; background: var(--green); }

@media (max-width: 900px) {
    .navbar__toggle { display: flex; }
    .navbar__menu {
        position: absolute; top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; gap: 0;
        background: var(--panel);
        border-bottom: 4px solid var(--green);
        max-height: 0; overflow: hidden;
        transition: max-height .25s steps(5);
    }
    .navbar__menu.is-open { max-height: 420px; }
    .navbar__menu a { padding: 16px 6%; font-size: 10px; border-top: 2px solid #262626; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation: none !important; transition: none !important; }
}

/* Section umum */
.section { padding-block: 96px; }
.section-title { font-size: clamp(14px, 2.4vw, 20px); margin-bottom: 40px; }

/* Achievement popup */
.achv {
    position: fixed; right: 20px; bottom: 20px; z-index: 200;
    display: flex; align-items: center; gap: 14px;
    max-width: min(340px, 88vw);
    background: #000; padding: 14px 16px;
    box-shadow:
        -4px 0 0 0 var(--yellow), 4px 0 0 0 var(--yellow),
        0 -4px 0 0 var(--yellow), 0 4px 0 0 var(--yellow);
    transform: translateY(160%);
    transition: transform .3s steps(5);
    pointer-events: none;
}
.achv.is-show { transform: translateY(0); }
.achv__icon { font-size: 26px; color: var(--yellow); }
.achv__head { font-family: var(--font-pixel); font-size: 8px; color: var(--yellow); margin-bottom: 6px; }
.achv__text { font-size: 13px; color: var(--text); line-height: 1.4; }
/* Pixel cursor (tidak dipakai di layar sentuh) */
@media (pointer: fine) {
    html { cursor: url('../img/cursor.svg') 0 0, auto; }
    a, button, select, label, summary, [role="button"], .js-select {
        cursor: url('../img/cursor-pointer.svg') 0 0, pointer !important;
    }
}

/* Tombol suara di navbar */
.navbar__sound {
    margin-left: 18px;
    font-family: var(--font-pixel); font-size: 8px;
    background: var(--panel); color: var(--green);
    border: 0; padding: 9px 10px; cursor: pointer;
    box-shadow: -3px 0 0 0 #333, 3px 0 0 0 #333, 0 -3px 0 0 #333, 0 3px 0 0 #333;
}
.navbar__sound[aria-pressed="false"] { color: var(--text-2); text-decoration: line-through; }
.navbar__sound:hover { color: var(--yellow); }

@media (max-width: 900px) {
    .navbar__sound { order: 2; margin-left: auto; margin-right: 14px; }
    .navbar__toggle { order: 3; }
}

/* Transisi antarhalaman */
.wipe {
    position: fixed; inset: 0; z-index: 9000;
    background: var(--bg); pointer-events: none;
    transform: translateY(-100%);
    animation: wipeOut .45s steps(6) forwards;
}
.wipe.is-leaving { animation: wipeIn .3s steps(5) forwards; }
@keyframes wipeOut { from { transform: translateY(0); } to { transform: translateY(-100%); } }
@keyframes wipeIn  { from { transform: translateY(100%); } to { transform: translateY(0); } }