:root {
  --bg: #000;
  --white: #fff;
  --label-bg: #fff;
  --label-text: #000;
}

* { box-sizing: border-box; }

body.hall {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--white);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  display: grid;
  place-items: center;
}

.hall-wrap {
  width: min(1200px, 94vw);
  padding: 28px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 860px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}

/* Door */
.door-link { text-decoration: none; }
.door {
  position: relative;
  height: clamp(320px, 52vw, 520px);
  background: #000;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 0 40px rgba(255,255,255,0.05);
  transition: box-shadow .2s ease;
}

/* the right-edge “crack” of light */
.door::after {
  content: "";
  position: absolute;
  top: 0; right: 7%;
  width: 2px; height: 100%;
  background: rgba(255,255,255,0.95);
  transition: width .15s ease;
}

/* epic spill using layered gradients + blur */
.door::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(50% 120% at 100% 50%, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.6) 30%, transparent 70%),
    linear-gradient(90deg, rgba(255,255,255,0.9), rgba(255,255,255,0.2));
  filter: blur(18px);
  mix-blend-mode: screen;
  opacity: .95;
  transition: opacity .2s ease, filter .2s ease;
}

/* hover state: a touch more dramatic */
.door:hover { 
  box-shadow: inset -6px 0 0 rgba(255,255,255,0.25), inset -30px 0 60px rgba(255,255,255,0.35);
}
.door:hover::after { width: 3px; }
.door:hover::before { filter: blur(20px); opacity: 1; }

/* Label at eye level */
.label {
  position: absolute; left: 50%; top: 42%;
  transform: translateX(-50%);
  background: var(--label-bg);
  color: var(--label-text);
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 26px);
  letter-spacing: .02em;
  box-shadow: 0 0 24px rgba(255,255,255,0.7);
}

/* White-page content style */
.white {
  background: #fff; color:#000; margin:0; min-height:100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
.page {
  max-width: 900px; margin: 0 auto; padding: 32px 20px 80px;
}
.page h1 { font-size: clamp(28px, 4vw, 44px); margin: 8px 0 12px; }
.page p  { font-size: clamp(16px, 2.2vw, 18px); color: #444; }

/* Optional: landing flash overlay when logo is clicked */
.flash {
  position: fixed; inset: 0; background: #fff; opacity: 0; pointer-events: none;
  transition: opacity .28s ease;
}
.flash.on { opacity: 1; }

/* Gallery layout for doodle images */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.gallery img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}