:root {
  --bg: #0a0a0b;
  --ink: #f2f2f0;
  --muted: #9a9a96;
  --line: rgba(255, 255, 255, 0.12);
  --glass: rgba(14, 14, 15, 0.72);
  --accent: #f4f1ea;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --display: "Inter Tight", "Inter", sans-serif;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse 75% 70% at 50% 45%, transparent 55%, rgba(0, 0, 0, 0.55));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: transform 0.4s var(--ease), background 0.3s, opacity 0.3s;
}
.btn--primary { background: var(--accent); color: #0a0a0a; font-weight: 500; }
.btn--primary:hover:not(:disabled) { transform: translateY(-2px); }
.btn:disabled { opacity: 0.5; cursor: progress; }

/* ---------- Topbar ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(16px, 4vw, 40px);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 1s var(--ease) 0.2s, transform 1s var(--ease) 0.2s;
  pointer-events: none;
}
body.is-ready .topbar { opacity: 1; transform: none; pointer-events: auto; }
.brand { height: 34px; width: auto; display: block; }
/* ---------- Coming soon ---------- */
/* mix-blend-mode difference: putih di atas gelap, hitam di atas kertas limbo */
.soon {
  position: fixed;
  z-index: 10;
  left: 50%;
  top: 50%;
  width: max-content;
  max-width: calc(100% - 32px);
  transform: translate(-50%, -46%);
  text-align: center;
  color: #fff;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity 1.2s var(--ease) 0.4s, transform 1.2s var(--ease) 0.4s;
  pointer-events: none;
}
body.is-ready .soon { opacity: 1; transform: translate(-50%, -50%); }
body.is-ready .soon a { pointer-events: auto; }
.soon__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(44px, 9vw, 132px);
  letter-spacing: -0.02em;
  line-height: 0.95;
  text-transform: uppercase;
  margin: 0 0 28px;
}
.soon__ig {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  background: #fff;
  color: #000;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 0.4s var(--ease);
}
.soon__ig:hover { transform: translateY(-2px); }

/* Cahaya senter di sekitar cursor */
.torch {
  position: fixed;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  background: radial-gradient(circle 220px at var(--x, 50%) var(--y, 50%),
    rgba(255, 244, 224, 0.16), rgba(255, 244, 224, 0.05) 45%, transparent 72%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.35s;
}
body.torch-on .torch { opacity: 1; }


.lights-toggle {
  position: fixed;
  z-index: 20;
  left: clamp(16px, 4vw, 40px);
  bottom: 24px;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--glass);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s;
}
body.is-ready .lights-toggle { opacity: 1; pointer-events: auto; }
.lights-toggle span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px 3px rgba(255, 250, 235, 0.7);
  transition: background 0.3s, box-shadow 0.3s;
}
body.lights-off .lights-toggle span { background: #333; box-shadow: none; }

.noscript { position: fixed; inset: 0; display: grid; place-items: center; }

/* ---------- Tanpa WebGL: tampil sebagai halaman biasa ---------- */
body.no-webgl .lights-toggle, body.no-webgl .torch { display: none; }
body.no-webgl .topbar { opacity: 1; transform: none; pointer-events: auto; }
body.no-webgl .soon { opacity: 1; transform: translate(-50%, -50%); }
body.no-webgl .soon a { pointer-events: auto; }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .topbar { padding: 16px; }
  .brand { height: 28px; }
  
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
}