/* ============ the entrance — a real doorway that opens ============ */
html.door-on, html.door-on body { overflow: hidden; }
html.door-on body > *:not(.door):not(.sparkle-fx) { filter: blur(2px); }

.door {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background-color: #150D08;
  background-image: linear-gradient(rgba(10, 6, 4, .55), rgba(10, 6, 4, .78)), url("../assets/photos/leather.jpg");
  background-size: auto, 620px;
  opacity: 0; transition: opacity .6s ease;
}
.door.in { opacity: 1; }
.door.fade-out { opacity: 0; }

/* the room you're standing in */
.door-room {
  position: relative;
  width: min(100vw, 66vh);
  aspect-ratio: 2 / 3;
  max-height: 100vh;
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0, 0, 0, .8);
  transform: scale(1.02);
  transition: transform 1.6s cubic-bezier(.65, 0, .35, 1), opacity .8s ease;
}
.door-room-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* warm light waiting behind the doors */
.door-glow {
  position: absolute; left: 29.5%; top: 11.8%; width: 41%; height: 55.4%;
  background: radial-gradient(120% 80% at 50% 60%, #FFF6E2 0%, #F3DCAE 45%, #C79A58 78%, rgba(120, 80, 40, 0) 100%);
  opacity: 0; transition: opacity 1.1s ease;
}
.door.won .door-glow { opacity: 1; }

/* the two leaves, cut from the same photo */
.door-leaf {
  position: absolute; top: 11.8%; height: 55.4%; width: 20.5%;
  backface-visibility: hidden;
  transition: transform 1.5s cubic-bezier(.62, .02, .2, 1), filter 1.5s ease;
  will-change: transform;
}
.door-leaf img { width: 100%; height: 100%; display: block; object-fit: fill; }
.door-leaf--l { left: 29.5%; transform-origin: left center; box-shadow: 6px 0 18px rgba(0, 0, 0, .5); }
.door-leaf--r { left: 50%; transform-origin: right center; box-shadow: -6px 0 18px rgba(0, 0, 0, .5); }
.door.won .door-leaf--l { transform: perspective(1500px) rotateY(-82deg); filter: brightness(.55); }
.door.won .door-leaf--r { transform: perspective(1500px) rotateY(82deg); filter: brightness(.55); }
/* a wrong answer: the doors don't budge */
.door-room.rattle { animation: door-rattle .5s ease; }
@keyframes door-rattle {
  0%, 100% { transform: scale(1.02) translateX(0); }
  20% { transform: scale(1.02) translateX(-5px); }
  45% { transform: scale(1.02) translateX(4px); }
  70% { transform: scale(1.02) translateX(-2px); }
}
/* walking through */
.door.leaving .door-room { transform: scale(1.9); opacity: 0; }
.door.leaving { opacity: 0; transition: opacity 1.1s .35s ease; }

/* dust in the light */
.door-dust { position: absolute; inset: 0; pointer-events: none; }
.door-dust i {
  position: absolute; width: 4px; height: 4px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 246, 226, .95), rgba(255, 246, 226, 0) 70%);
  left: var(--x); top: var(--y); opacity: 0;
  animation: dust-drift var(--dur, 14s) linear var(--delay, 0s) infinite;
  transform: scale(var(--s, 1));
}
@keyframes dust-drift {
  0% { opacity: 0; transform: translate3d(0, 0, 0) scale(var(--s, 1)); }
  12% { opacity: .75; }
  80% { opacity: .35; }
  100% { opacity: 0; transform: translate3d(14px, -120px, 0) scale(var(--s, 1)); }
}

/* the quiz, engraved on a card on the floor */
.door-card {
  position: absolute; left: 50%; bottom: 4.5%; transform: translateX(-50%);
  width: min(86%, 430px);
  padding: 22px 24px 20px;
  background: linear-gradient(#FBF3E4, #F2E5CE);
  border: 1px solid rgba(94, 55, 30, .35);
  box-shadow: 0 24px 50px rgba(0, 0, 0, .55);
  text-align: center;
  opacity: 0; translate: 0 18px;
  transition: opacity .7s .5s ease, translate .7s .5s cubic-bezier(.22, 1, .36, 1);
}
.door.in .door-card { opacity: 1; translate: 0 0; }
.door.won .door-card { opacity: 0; translate: 0 14px; transition-delay: 0s; }
.door-card::after { content: ""; position: absolute; inset: 7px; border: 1px solid rgba(176, 141, 87, .6); pointer-events: none; }
.door-eyebrow { margin: 0 0 4px; font-size: 10px; font-weight: 500; letter-spacing: .26em; text-transform: uppercase; color: #9A6B38; }
.door-kicker { margin: 0; font-family: var(--f-display); font-style: italic; font-size: 17px; color: #6B4423; }
.door-q { margin: 6px 0 14px; font-family: var(--f-display); font-weight: 400; font-size: clamp(22px, 3.4vw, 30px); line-height: 1.15; color: #3A2213; }
.door-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 9px; }
.door-opt {
  position: relative; display: grid; gap: 7px; justify-items: center;
  padding: 11px 10px; border: 1px solid rgba(94, 55, 30, .3); border-radius: 0;
  background: rgba(255, 253, 248, .85); color: #3A2213; cursor: pointer;
  font: 400 15px/1.3 var(--f-body);
  transition: transform .3s var(--ease), background-color .3s, border-color .3s;
}
.door-opt:hover { transform: translateY(-3px); background: #fff; border-color: #B08D57; }
.door-opt:focus-visible { outline: 2px solid #9A6B38; outline-offset: 3px; }
.door-art { display: block; width: 52px; height: 52px; position: relative; }
.door-art img { width: 100%; height: 100%; object-fit: contain; }
.door-art svg { display: none; }   /* answers read as words, not drawings */
.door-art:not(:has(img)) { display: none; }
.door-art:empty { display: none; }
.door-opt.wrong { animation: opt-no .45s ease; border-color: #7A2A2A; }
@keyframes opt-no { 25% { transform: translateX(-6px); } 55% { transform: translateX(5px); } 80% { transform: translateX(-2px); } }
.door-opt.right { background: #3A2213; color: #FBF3E4; border-color: #B08D57; }
.door-nope { display: none; }
.door-msg { margin: 12px 0 0; min-height: 22px; font-family: var(--f-display); font-style: italic; font-size: 17px; color: #6B4423; }
.door-msg.pop { animation: msg-pop .4s var(--ease); }
@keyframes msg-pop { from { opacity: .3; transform: translateY(4px); } }
.door-skip {
  margin-top: 10px; padding: 4px 2px; border: 0; background: none; cursor: pointer;
  font: 500 10.5px/1 var(--f-body); letter-spacing: .18em; text-transform: uppercase; color: #9A6B38;
  border-bottom: 1px solid rgba(154, 107, 56, .5);
}
.door-skip:hover { color: #3A2213; }

/* little engraved line over the doors */
.door-sign {
  position: absolute; left: 50%; top: 5.4%; transform: translateX(-50%);
  margin: 0; font-family: var(--f-display); font-size: clamp(13px, 1.9vw, 18px); letter-spacing: .4em;
  text-transform: uppercase; color: rgba(247, 233, 206, .92); text-shadow: 0 2px 10px rgba(0, 0, 0, .8);
  opacity: 0; transition: opacity 1s .3s ease;
}
.door.in .door-sign { opacity: 1; }

.door-lace, .door-bow, .door-bg { display: none; }

@media (prefers-reduced-motion: reduce) {
  .door-room, .door-leaf, .door-card, .door { transition-duration: .01ms !important; }
  .door-dust { display: none; }
}
@media (max-width: 700px) {
  .door-card { width: min(94%, 420px); bottom: 4%; padding: 16px 16px 14px; }
  .door-q { margin-bottom: 10px; }
  .door-art { width: 42px; height: 42px; }
}