:root{
  --yellow: #f5ee30;
  --black: #000000;
}

*{ box-sizing: border-box; }

html, body{
  margin:0;
  padding:0;
  width:100%;
  height:100%;
  background: var(--black);
  overflow: hidden;
  font-family: 'Jost', 'Helvetica Neue', Arial, sans-serif;
  color: var(--yellow);
}

#grain-canvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.3;
  pointer-events: none;
}

.stage{
  position: relative;
  z-index: 1;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

/* ---------- opening sequence ---------- */
.door-trigger{
  opacity: 0;
  transform: scale(0.9);
}
.divider{
  opacity: 0;
  width: 0;
}
.warning{
  opacity: 0;
  transform: translateY(6px);
}

body.loaded .door-trigger{
  animation: introRise 1.2s cubic-bezier(.16,1,.3,1) forwards;
}
body.loaded .divider{
  animation: introLine 0.8s ease forwards;
  animation-delay: 0.65s;
}
body.loaded .warning{
  animation: introFadeUp 0.8s ease forwards;
  animation-delay: 0.9s;
}

@keyframes introRise{
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes introLine{
  from { opacity: 0; width: 0; }
  to   { opacity: 1; width: 34px; }
}
@keyframes introFadeUp{
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 0.75; transform: translateY(0); }
}

/* ---------- the mark / the door ---------- */
.door-trigger{
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.door-emblem{
  width: min(96px, 20vw);
  height: auto;
  display: block;
  position: relative;
  z-index: 2;
  transition: transform 0.45s cubic-bezier(.16,1,.3,1), filter 0.45s ease;
}

.door-trigger:hover .door-emblem{
  transform: scale(1.06);
  filter: drop-shadow(0 0 10px rgba(245,238,48,0.35));
}

.logo-fallback{
  display:none;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--yellow);
}

.door-glow{
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,238,48,0.12) 0%, rgba(245,238,48,0) 70%);
  z-index: 1;
  pointer-events: none;
}

/* thin rule beneath the mark */
.divider{
  display: block;
  height: 1px;
  background: rgba(245,238,48,0.4);
}

.warning{
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--yellow);
  margin: 0;
}

/* ---------- door reaction: it shakes, it never opens ---------- */
.door-trigger.shaking .door-emblem{
  animation: doorShake 0.6s cubic-bezier(.36,.07,.19,.97) both;
}
.door-trigger.shaking .door-glow{
  animation: glowSurge 0.6s ease-out both;
}

@keyframes doorShake{
  10% { transform: translateX(-2px) rotate(-0.5deg); }
  20% { transform: translateX(3px) rotate(0.6deg); }
  30% { transform: translateX(-3px) rotate(-0.7deg); }
  40% { transform: translateX(3px) rotate(0.6deg); }
  50% { transform: translateX(-2px) rotate(-0.4deg); }
  60% { transform: translateX(2px) rotate(0.3deg); }
  70% { transform: translateX(-1px) rotate(-0.2deg); }
  80% { transform: translateX(1px) rotate(0.1deg); }
  100% { transform: translateX(0) rotate(0deg); }
}

@keyframes glowSurge{
  0% { opacity: 0.5; transform: scale(1); }
  40% { opacity: 1; transform: scale(1.5); }
  100% { opacity: 0; transform: scale(2); }
}

/* ---------- hard cut flash ---------- */
.flash{
  position: fixed;
  inset: 0;
  background: var(--yellow);
  opacity: 0;
  z-index: 9;
  pointer-events: none;
}
.flash.active{
  animation: hardFlash 0.5s ease-out forwards;
}
@keyframes hardFlash{
  0% { opacity: 0; }
  15% { opacity: 1; }
  100% { opacity: 0; }
}

/* ---------- reveal: title card, cut to black ---------- */
.reveal-overlay{
  position: fixed;
  inset: 0;
  z-index: 10;
  display:flex;
  align-items:center;
  justify-content:center;
  background: var(--black);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.reveal-overlay.active{
  opacity: 1;
  pointer-events: auto;
}

.reveal-content{
  position: relative;
  text-align: center;
}

.reveal-eyebrow{
  display:block;
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--yellow);
  opacity: 0;
  transform: translateY(6px);
}
.reveal-overlay.active .reveal-eyebrow{
  animation: fadeUp 0.7s ease forwards 0.35s;
}

.reveal-title{
  margin: 14px 0 0;
  display:flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  line-height: 1;
}

.reveal-word{
  display:inline-block;
  font-weight: 500;
  font-size: clamp(20px, 3.6vw, 34px);
  letter-spacing: 7px;
  color: var(--yellow);
  opacity: 0;
  transform: translateY(10px);
}
.reveal-overlay.active .reveal-word{
  animation: fadeUp 0.8s cubic-bezier(.16,1,.3,1) forwards;
}
.reveal-overlay.active .reveal-word:nth-child(1){ animation-delay: 0.55s; }
.reveal-overlay.active .reveal-word.reveal-year{
  font-weight: 600;
  animation-delay: 0.85s;
}

.reveal-hint{
  display:block;
  margin-top: 34px;
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(245,238,48,0.4);
  opacity: 0;
}
.reveal-overlay.active .reveal-hint{
  animation: fadeUp 0.7s ease forwards 1.3s;
}

@keyframes fadeUp{
  to { opacity: 1; transform: translateY(0); }
}