/* ===================================== */
/*   LOADER / WELCOME SCREEN             */
/* ===================================== */

.welcome-screen {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  transition: opacity 0.6s var(--ease-out-expo), visibility 0.6s;
}

.welcome-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Door animation */
.doors {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.door {
  flex: 1;
  background-color: var(--bg-secondary);
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.door.open {
  transform: scaleY(0);
}

.doors .door:first-child {
  transform-origin: top;
}

.doors .door:last-child {
  transform-origin: bottom;
}

/* Loader counter */
.loader-container {
  display: flex;
  align-items: center;
  gap: 2px;
  z-index: 3;
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  transition: opacity 0.5s, filter 0.5s, transform 0.5s;
}

.loader-container.finishing {
  opacity: 0;
  filter: blur(20px);
  transform: scale(1.5);
}

.digit-window {
  height: 48px;
  width: 30px;
  overflow: hidden;
  position: relative;
}

.digit-column {
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-loader) var(--ease-in-out);
}

.digit {
  height: 48px;
  line-height: 48px;
  text-align: center;
  font-size: 2.5rem;
  font-weight: var(--weight-bold);
  color: var(--text-secondary);
}

.digit.accent {
  color: var(--accent);
}

.loader-percent {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-left: 4px;
  align-self: flex-end;
  margin-bottom: 8px;
}

/* Loader text */
.loader-tagline {
  position: absolute;
  bottom: 30%;
  text-align: center;
  width: 100%;
  z-index: 3;
}

.loader-tagline p {
  font-family: var(--font-heading);
  font-size: var(--small);
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease 0.5s, transform 0.6s ease 0.5s;
}

.loader-tagline.visible p {
  opacity: 1;
  transform: translateY(0);
}