/* Concourse — public apex. Name + two doors, nothing else exposed. */
:root {
  --ground: #0E1524;
  --ground-deep: #0A101C;
  --flap: #151B29;
  --flap-ink: #F2F4F8;
  --remark: #F5C518;
  --muted: #8FA0BC;
  --low: #7484A6;
  --line: rgba(242, 244, 248, .08);
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { background: var(--ground); }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--ground-deep) 0%, var(--ground) 40vh);
  color: var(--flap-ink);
  font-family: var(--mono);
}

.terminal {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8vh;
  padding: 48px 24px;
}

/* ---- the name board ---- */
.flap {
  font-size: clamp(20px, 5.2vw, 44px);
  font-weight: 700;
  letter-spacing: .06em;
  margin: 0;
  white-space: nowrap;
}
.flap .ch {
  display: inline-block;
  min-width: .78em;
  text-align: center;
  background: var(--flap);
  border-radius: 3px;
  padding: 4px 2px;
  margin-right: 3px;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .55);
}
.flap .ch.sp { background: transparent; box-shadow: none; }
.flap .word { white-space: nowrap; }

/* ---- doors ---- */
.doors {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 640px;
}
.door {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 34px 20px 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  transition: flex .45s cubic-bezier(.22, 1, .36, 1), border-color .3s ease, background .3s ease;
}
.door:hover { flex: 1.6; border-color: rgba(245, 197, 24, .45); background: rgba(245, 197, 24, .03); }
.door:focus-visible { outline: 2px solid var(--remark); outline-offset: 3px; }
.door-gate {
  font-size: 10.5px;
  letter-spacing: .3em;
  color: var(--low);
}
.door:hover .door-gate { color: var(--remark); }
.door-word {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .34em;
  color: var(--muted);
  transition: color .3s ease;
}
.door:hover .door-word { color: var(--flap-ink); }

/* ---- marking ---- */
.marking {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--low);
  padding: 7px 18px;
  text-align: center;
}
.marking.top { border-bottom: 1px solid var(--line); }
.marking.bot { border-top: 1px solid var(--line); }

@media (max-width: 520px) {
  .doors { flex-direction: column; }
  .door:hover { flex: 1; }
  .flap { white-space: normal; text-align: center; line-height: 1.6; }
}

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