/* Burning Orbit — welcome / intro crawl */

:root {
  --welcome-gold: #ffe81f;
  --welcome-gold-dim: #c8b850;
  --welcome-crawl-duration: 90s;
}

.welcome-body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: #000;
  color: var(--welcome-gold);
  font-family: "Audiowide", sans-serif;
}

.welcome-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(74, 136, 255, 0.12), transparent 45%),
    #000;
}

.welcome-phase {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.welcome-phase--active {
  display: block;
  opacity: 1;
}

/* --- Star Wars crawl --- */

.welcome-crawl-phase {
  position: absolute;
  inset: 0;
  background: #000;
}

.welcome-crawl-fade {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 3;
  pointer-events: none;
}

.welcome-crawl-fade--top {
  top: 0;
  height: 28vh;
  background: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.85) 45%, transparent 100%);
}

.welcome-crawl-fade--bottom {
  bottom: 0;
  height: 14vh;
  background: linear-gradient(to top, #000 0%, transparent 100%);
}

.welcome-crawl-scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #000;
  perspective: 320px;
  perspective-origin: 50% 100%;
}

.welcome-crawl-perspective {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  transform: rotateX(15deg);
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
}

.welcome-crawl-content {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(760px, 82vw);
  margin: 0;
  text-align: justify;
  line-height: 1.7;
  font-size: clamp(1.05rem, 2.5vw, 1.45rem);
  letter-spacing: 0.1em;
  /* Stay off-screen until JS measures layout and starts the crawl */
  transform: translate3d(-50%, 100vh, 0);
  opacity: 0;
  padding: 0 0.5rem 4rem;
  will-change: transform, opacity;
}

.welcome-crawl-content--active {
  opacity: 1;
}

.welcome-crawl-title {
  margin: 0 0 2rem;
  font-family: "Stalinist One", sans-serif;
  font-size: clamp(2.2rem, 6.5vw, 3.6rem);
  font-weight: 400;
  text-align: center;
  letter-spacing: 0.14em;
  color: var(--welcome-gold);
  text-shadow: 0 0 18px rgba(255, 232, 31, 0.35);
}

.welcome-crawl-content p {
  margin: 0 0 15rem;
  color: var(--welcome-gold);
}

@keyframes welcome-crawl {
  0% {
    transform: translate3d(-50%, var(--crawl-start-y, 100%), 0);
    opacity: 0.4;
  }
  10% {
    opacity: 1;
  }
  100% {
    transform: translate3d(-50%, var(--crawl-end-y, -50vh), 0);
    opacity: 1;
  }
}

.welcome-skip {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 4;
  padding: 0.55rem 1rem;
  font-family: "Audiowide", sans-serif;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(10, 16, 32, 0.75);
  border: 1px solid rgba(74, 136, 255, 0.45);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.welcome-skip:hover {
  color: #fff;
  border-color: rgba(74, 136, 255, 0.85);
  background: rgba(20, 32, 64, 0.9);
}

.crawl-end-actions {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem;
  background: #000;
}

.crawl-end-actions[hidden] {
  display: none !important;
}

.welcome-crawl-phase--ended .welcome-crawl-scene,
.welcome-crawl-phase--ended .welcome-crawl-fade,
.welcome-crawl-phase--ended .welcome-skip {
  visibility: hidden;
  pointer-events: none;
}

/* --- Tutorial screens --- */

.welcome-tutorial-shell {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.welcome-tutorial-card {
  width: min(640px, 100%);
  padding: 2rem 1.75rem;
  background: rgba(10, 16, 32, 0.92);
  border: 1px solid rgba(74, 136, 255, 0.45);
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(74, 136, 255, 0.25);
  color: rgba(255, 255, 255, 0.92);
}

.welcome-tutorial-step {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(74, 136, 255, 0.9);
}

.welcome-tutorial-title {
  margin: 0 0 1rem;
  font-family: "Stalinist One", sans-serif;
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: #fff;
}

.welcome-tutorial-body {
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
}

.welcome-tutorial-body p {
  margin: 0 0 0.85rem;
}

.welcome-tutorial-body p:last-child {
  margin-bottom: 0;
}

.welcome-tutorial-body ul {
  margin: 0 0 0.85rem;
  padding-left: 1.35rem;
  list-style: disc;
}

.welcome-tutorial-body ul ul {
  margin-top: 0.4rem;
  margin-bottom: 0.25rem;
  padding-left: 1.15rem;
  list-style: circle;
}

.welcome-tutorial-body li {
  margin-bottom: 0.4rem;
}

.welcome-tutorial-body li:last-child {
  margin-bottom: 0;
}

.welcome-tutorial-body strong {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
}

.tutorial-ticker-icon {
  width: 1.15em;
  height: 1.15em;
  display: inline-block;
  vertical-align: -0.2em;
  margin: 0 0.1em;
  color: #6a9dff;
}

.tutorial-ticker-icon--resign {
  color: #f87171;
}

.tutorial-ticker-cc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.25em;
  padding: 0.12em 0.45em;
  margin: 0 0.1em;
  vertical-align: -0.05em;
  font-family: "Audiowide", sans-serif;
  font-size: 0.72em;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fbbf24;
  background: #0a1628;
  border: 1px solid rgba(74, 136, 255, 0.45);
  border-radius: 4px;
  user-select: none;
}

.welcome-tutorial-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
}

.welcome-btn {
  padding: 0.6rem 1.15rem;
  font-family: "Audiowide", sans-serif;
  font-size: 0.9rem;
  color: #fff;
  background: #1a3a6c;
  border: 1px solid rgba(74, 136, 255, 0.55);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.welcome-btn:hover {
  background: #284e8c;
  border-color: rgba(106, 157, 255, 0.85);
}

.welcome-btn--secondary {
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
}

.welcome-btn--secondary:hover {
  color: #fff;
  background: rgba(74, 136, 255, 0.12);
}

@media (max-width: 600px) {
  .welcome-crawl-content {
    width: 88vw;
    font-size: 0.95rem;
  }

  .welcome-tutorial-card {
    padding: 1.5rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .welcome-crawl-content {
    animation-duration: calc(var(--welcome-crawl-duration, 90s) * 1.5) !important;
  }
}