/* ---------- Latar dunia (fixed, di belakang semua konten) ---------- */
.bg {
    position: fixed; inset: 0; z-index: -1;
    overflow: hidden; pointer-events: none;
    background: linear-gradient(180deg, #0d0d16 0%, #101010 55%, #121a0b 100%);
}
.bg__glow {
    position: absolute; inset: 0;
    color: #b7ff00;
    transition: color 1s linear;
    background:
        radial-gradient(60% 50% at 85% 12%, rgba(183, 255, 0, .08), transparent 70%),
        radial-gradient(50% 40% at 8% 92%, rgba(183, 255, 0, .06), transparent 70%);
}
@supports (background: color-mix(in srgb, red 10%, transparent)) {
    .bg__glow {
        background:
            radial-gradient(60% 50% at 85% 12%, color-mix(in srgb, currentColor 16%, transparent), transparent 70%),
            radial-gradient(50% 40% at 8% 92%, color-mix(in srgb, currentColor 12%, transparent), transparent 70%);
    }
}
.bg__twinkle {
    position: absolute; inset: 0;
    background-image:
        radial-gradient(2px 2px at 12% 18%, #fff 50%, transparent 51%),
        radial-gradient(2px 2px at 47% 8%,  #ffd43b 50%, transparent 51%),
        radial-gradient(2px 2px at 78% 31%, #fff 50%, transparent 51%),
        radial-gradient(2px 2px at 33% 52%, #e879a5 50%, transparent 51%),
        radial-gradient(2px 2px at 90% 61%, #b7ff00 50%, transparent 51%);
    background-size: 460px 460px;
    animation: twinkle 2.4s steps(2) infinite;
}
@keyframes twinkle { from { opacity: .15; } to { opacity: .7; } }
.bg__canvas { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; }

main { overflow-x: clip; }

/* Pemisah antar section */
.section { position: relative; }
.section + .section::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: min(1100px, 92%); border-top: 4px dashed rgba(255, 255, 255, .06);
}

/* Avatar tanpa latar hitam (diatur avatar-key.js) */
img.is-keyed { mix-blend-mode: normal; }

/* ---------- Scroll reveal ---------- */
.reveal {
    opacity: 0; transform: translateY(32px);
    transition: opacity .5s steps(5), transform .5s steps(5);
    transition-delay: var(--rd, 0ms);
}
.reveal[data-reveal="left"]  { transform: translateX(-44px); }
.reveal[data-reveal="right"] { transform: translateX(44px); }
.reveal[data-reveal="zoom"]  { transform: scale(.88); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Progress scroll (HUD) ---------- */
.hud-progress {
    position: fixed; top: var(--nav-h); left: 0; right: 0; height: 6px;
    background: #000; z-index: 99; pointer-events: none;
}
.hud-progress__fill {
    height: 100%; width: 0; background: var(--green);
    background-image: repeating-linear-gradient(90deg, transparent 0 6px, rgba(0, 0, 0, .25) 6px 8px);
}

/* ---------- Avatar pendamping ---------- */
.companion {
    --cw: clamp(80px, 8vw, 118px);
    position: fixed; left: 0; bottom: 14px; z-index: 60;
    width: var(--cw); pointer-events: none;
    opacity: 0; visibility: hidden;
    transition: transform .7s steps(8), opacity .3s steps(3), visibility .3s;
}
.companion.is-visible { opacity: 1; visibility: visible; }
.companion.is-left  { transform: translateX(16px); }
.companion.is-right { transform: translateX(calc(100vw - var(--cw) - 32px)); }

.companion__sprite { transform-origin: bottom center; animation: bob 1.2s steps(2) infinite alternate; }
.companion.is-walking .companion__sprite { animation: walk .28s steps(2) infinite alternate; }
.companion__img { width: 100%; display: block; mix-blend-mode: lighten; }
.companion__shadow { width: 70%; height: 8px; margin: -4px auto 0; background: rgba(0, 0, 0, .6); border-radius: 50%; }
@keyframes bob  { from { transform: translateY(0); } to { transform: translateY(-3px); } }
@keyframes walk { from { transform: translateY(0) rotate(-2deg); } to { transform: translateY(-8px) rotate(2deg); } }

.companion__bubble {
    position: absolute; bottom: calc(100% + 12px);
    width: min(230px, 60vw);
    background: #000; color: var(--text);
    font-size: 13px; line-height: 1.45; padding: 12px;
    box-shadow:
        -3px 0 0 0 var(--yellow), 3px 0 0 0 var(--yellow),
        0 -3px 0 0 var(--yellow), 0 3px 0 0 var(--yellow);
    opacity: 0; transform: translateY(6px);
    transition: opacity .2s steps(3), transform .2s steps(3);
}
.companion__bubble.is-show { opacity: 1; transform: none; }
.companion__bubble::after {
    content: ''; position: absolute; bottom: -12px; width: 8px; height: 8px; background: var(--yellow);
}
.companion.is-right .companion__bubble { right: 0; }
.companion.is-right .companion__bubble::after { right: 36px; }
.companion.is-left .companion__bubble { left: 0; }
.companion.is-left .companion__bubble::after { left: 36px; }

@media (max-width: 600px) {
    .companion { --cw: 64px; bottom: 8px; }
    .companion__bubble { display: none; }
}

/* Menu navbar yang sedang aktif */
.navbar__menu a.is-current { color: var(--green); }
.navbar__menu a.is-current::before { content: '▶ '; }

/* ---------- Scroll-linked (progres dari scrub.js, dua arah) ---------- */

/* Hero memudar & bergeser mengikuti scroll */
.hero__character {
    transform: translateY(calc(var(--hp, 0) * -70px)) scale(calc(1 - var(--hp, 0) * 0.2));
    opacity: calc(1 - var(--hp, 0) * 1.05);
    transform-origin: center bottom;
    will-change: transform, opacity;
}
.hero__info {
    transform: translateY(calc(var(--hp, 0) * 50px));
    opacity: calc(1 - var(--hp, 0) * 1.3);
    will-change: transform, opacity;
}
.hero__world { transform: translateY(calc(var(--hp, 0) * 40px)); }

/* World Map: garis hijau tumbuh menyusuri jalur */
.world__nodes::after {
    content: '';
    position: absolute; left: 30px; right: 30px; top: 30px;
    border-top: 4px solid var(--green);
    transform: scaleX(var(--p, 0));
    transform-origin: left center;
}
.world__node.is-passed .world__pin {
    background: #1b2a00; color: var(--green);
    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);
}
.world__node.is-passed .world__lv { color: var(--green); }

/* Skill Tree: garis hijau tumbuh ke bawah */
.tree__branches { position: relative; }
.tree__branches::after {
    content: '';
    position: absolute; left: -4px; top: 0; width: 4px; height: 100%;
    background: var(--green);
    transform: scaleY(var(--p, 0));
    transform-origin: top center;
}

/* Parallax ikon */
.trophy__badge, .skill__icon { transform: translateY(var(--py, 0px)); }