/* ─────────────────────────────────────────────────────────────
   hypertoilets — 3D tile bathroom, minimal
   ───────────────────────────────────────────────────────────── */

:root {
  --bg:     #fbfaf6;
  --ink:    #131313;
  --ink-2:  #6a6a6a;
  --muted:  #a8a8a4;
  --line:   #e6e5e0;
  --maxw:   720px;

  --font-display: "Inter Tight", "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body:    "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--bg); }
a { color: inherit; }

/* ─── 3D STAGE ──────────────────────────────────────────────── */
.stage {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: var(--bg);
}

#scene {
  position: absolute; inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}

/* 페이지 콘텐츠로 부드럽게 연결되는 페이드 */
.stage-fade {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 30%;
  background: linear-gradient(180deg, transparent, var(--bg) 85%);
  pointer-events: none;
}

.stage-text {
  position: absolute;
  left: 50%;
  bottom: 9%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
  width: min(90%, 36rem);
}
.stage-text h1 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(2.4rem, 7vw, 4rem);
  letter-spacing: -0.015em;
  margin: 0 0 0.45rem;
  line-height: 1;
}
.stage-text .en-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  margin: 0 0 0.85rem;
  text-transform: lowercase;
}
.stage-text .tag {
  font-size: 0.95rem;
  margin: 0;
  color: var(--ink);
}

.stage-scroll {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-2);
  opacity: 0.7;
  animation: bob 2.4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 5px); }
}

/* ─── MAIN ──────────────────────────────────────────────────── */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.75rem 0;
}

/* BLOCKS */
.block {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}
.block:first-of-type { border-top: 0; }
.label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 1.2rem;
  font-weight: 500;
}
.prose {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  max-width: 38rem;
  color: var(--ink);
}

.members {
  list-style: none; padding: 0; margin: 0;
}
.members li {
  display: grid;
  grid-template-columns: 2.5rem 1.2rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.members li:last-child { border-bottom: 0; }
.m-no   { color: var(--ink-2); font-variant-numeric: tabular-nums; font-family: var(--font-display); }
.m-dash { color: var(--muted); }
.m-name { font-family: var(--font-display); letter-spacing: -0.005em; }

.links {
  list-style: none; padding: 0; margin: 0;
}
.links li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.links li:last-child { border-bottom: 0; }
.links a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.links a:hover { color: var(--ink-2); border-color: var(--ink-2); }
.muted { color: var(--muted); }

/* ─── FOOTER ────────────────────────────────────────────────── */
footer {
  max-width: var(--maxw);
  margin: 3rem auto 0;
  padding: 2rem 1.75rem 4rem;
  font-size: 0.78rem;
  color: var(--ink-2);
  text-align: center;
  border-top: 1px solid var(--line);
}
footer p { margin: 0; letter-spacing: 0.01em; }

/* ─── 모션 줄이기 ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── 모바일 ────────────────────────────────────────────────── */
@media (max-width: 540px) {
  main { padding: 0.5rem 1.25rem 0; }
  .stage-text { bottom: 12%; }
}