:root {
  /* borrowed wholesale from The Floor — same building, same materials */
  --sky: #0b0e1a;
  --wall: #171a24;
  --wall-lit: #1f2333;
  --slab: #2a2d3a;
  --line: #3a3f52;
  --paper: #e6e2d8;
  --metal: #8b93a7;
  --dim: #6b7290;
  --glow-green: #6dff9c;
  --glow-warm: #ffb454;
  --glow-mon: #7ec8ff;

  --sign: "Helvetica Neue", Inter, "Segoe UI", Arial, sans-serif;
  --code: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--sky);
  color: var(--paper);
}

body {
  font: 14px/1.6 var(--code);
  /* faint pool of light on the lobby wall */
  background:
    radial-gradient(120% 70% at 50% 0%, #131728 0%, var(--sky) 62%);
  min-height: 100vh;
}

.wall {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

/* ── engraved name plate ─────────────────────────────── */

.plate {
  padding: 96px 0 44px;
}

.plate-eyebrow {
  margin: 0 0 22px;
  font: 11px/1 var(--code);
  letter-spacing: 3px;
  color: var(--dim);
  text-transform: uppercase;
}

.plate h1 {
  margin: 0 0 20px;
  font-family: var(--sign);
  font-size: clamp(46px, 12vw, 82px);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  color: var(--paper);
  /* engraved into the wall, not printed on it */
  text-shadow: 0 1px 0 #05070d, 0 -1px 0 #2c3145;
}

.plate-sub {
  margin: 0;
  max-width: 52ch;
  color: #aeb6c8;
}

/* ── the letterboard ─────────────────────────────────── */

.board {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--wall);
  box-shadow: inset 0 1px 0 #2c3145, 0 18px 50px -30px #000;
  padding: 22px 22px 18px;
}

.board-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.board-head h2 {
  margin: 0;
  font-family: var(--sign);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.36em;
  color: var(--metal);
}

.board-meta {
  margin: 0;
  font-size: 11px;
  color: var(--dim);
}

.tenants {
  list-style: none;
  margin: 0;
  padding: 6px 0 0;
  counter-reset: none;
}

.tenant {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  align-items: baseline;
  gap: 0 14px;
  padding: 12px 0;
  border-bottom: 1px dashed #23273a;
}

.tenant:last-child { border-bottom: 0; }

.lamp {
  width: 7px;
  height: 7px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--slab);
  box-shadow: inset 0 0 0 1px #000;
  align-self: start;
}

.tenant.is-up .lamp {
  background: var(--glow-green);
  box-shadow: 0 0 8px var(--glow-green);
  animation: pulse 3.4s ease-in-out infinite;
}

.tenant.is-down .lamp {
  background: var(--metal);
  opacity: 0.45;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.tenant-name {
  font-family: var(--sign);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
}

.tenant-name:hover,
.tenant-name:focus-visible { color: var(--glow-mon); }

.tenant-what {
  grid-column: 2;
  margin: 2px 0 0;
  color: #aeb6c8;
  font-size: 13px;
}

.tenant-where {
  grid-column: 2;
  margin: 1px 0 0;
  color: var(--dim);
  font-size: 12px;
}

.tenant-state {
  grid-column: 3;
  grid-row: 1;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}

.tenant.is-up .tenant-state { color: var(--glow-green); }

.board-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--dim);
}

/* ── elevator ────────────────────────────────────────── */

.elevator { padding: 56px 0 8px; }

.lift-title {
  margin: 0 0 18px;
  font-family: var(--sign);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.36em;
  color: var(--metal);
}

.lift {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(180deg, var(--wall-lit), var(--wall));
  padding: 26px 22px 22px;
  text-align: center;
  overflow: hidden;
}

.indicator {
  /* block-level so the call button drops onto its own line beneath it */
  display: flex;
  width: fit-content;
  margin: 0 auto;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #0d0f18;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--glow-warm);
}

.floor-num { min-width: 1.2ch; }

.arrow { opacity: 0.35; }
.arrow.on { opacity: 1; }

/* the doors sit behind the button and only matter for ~1s */
.doors {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
}

.doors.open { opacity: 1; }

.door {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: linear-gradient(180deg, var(--slab), var(--pillar, #23262f));
  border-right: 1px solid #05070d;
  transition: transform 900ms cubic-bezier(0.65, 0, 0.35, 1);
}

.door-l { left: 0; }
.door-r { right: 0; border-right: 0; border-left: 1px solid #05070d; }

.doors.open .door-l { transform: translateX(-100%); }
.doors.open .door-r { transform: translateX(100%); }

.shaft {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(60% 80% at 50% 50%, #2b3350, #0b0e1a 70%);
}

.call {
  position: relative;
  display: inline-flex;
  clear: both;
  align-items: center;
  gap: 12px;
  margin: 22px 0 0;
  padding: 14px 26px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #12141f;
  color: var(--paper);
  font-family: var(--sign);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-decoration: none;
  transition: border-color 180ms, background 180ms, box-shadow 180ms;
}

.call-ring {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--metal);
  transition: background 180ms, box-shadow 180ms, border-color 180ms;
}

.call:hover,
.call:focus-visible {
  border-color: var(--glow-warm);
  background: #171a26;
}

.call:hover .call-ring,
.call:focus-visible .call-ring,
.call.lit .call-ring {
  background: var(--glow-warm);
  border-color: var(--glow-warm);
  box-shadow: 0 0 12px var(--glow-warm);
}

.call.lit {
  border-color: var(--glow-warm);
  box-shadow: 0 0 30px -8px var(--glow-warm);
}

.lift-sub {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--dim);
}

/* ── foot ────────────────────────────────────────────── */

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--dim);
}

.foot a { color: var(--glow-mon); text-decoration: none; }
.foot a:hover, .foot a:focus-visible { text-decoration: underline; }
.foot-b1 { flex-basis: 100%; color: var(--dim); }

:focus-visible {
  outline: 2px solid var(--glow-warm);
  outline-offset: 3px;
}

@media (max-width: 560px) {
  .plate { padding-top: 64px; }
  .board { padding: 18px 14px 14px; }
  .tenant { grid-template-columns: 14px 1fr; }
  .tenant-state { grid-column: 2; grid-row: auto; margin-top: 4px; }
}

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