/* Isolated opening layer: the existing website retains its layout. */
.site-intro[hidden] { display: none; }
.intro-pending .site-intro { display: grid; }
.intro-pending body > :not(.site-intro) { visibility: hidden; }
.intro-pending, .intro-open { overflow: hidden; scrollbar-gutter: stable; }
.site-intro {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  padding: clamp(8px, 1.2vw, 20px);
  min-width: 0;
  height: 100vh;
  height: 100dvh;
  background: #0b2923;
  color: #fff;
  opacity: 1;
  transition: opacity 460ms ease, transform 460ms ease;
  isolation: isolate;
}
.intro__screen {
  position: relative;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
  border: 1px solid rgba(220, 196, 155, .3);
  border-radius: 3px;
  background: #102f28;
}
.intro__screen::before {
  content: '';
  position: absolute;
  inset: -24px;
  background-position: center;
  background-size: cover;
  filter: blur(22px);
  opacity: .16;
}
.intro-pending .intro__screen::before,
.intro-open .intro__screen::before {
  background-image: url('/assets/intro/ttwin-opening-poster.jpg');
}
.intro__video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  /* Keep the wide brand mark intact on portrait phones. */
  object-fit: contain;
  object-position: center;
  background: transparent;
}
.intro-pending .intro__video {
  background: url('/assets/intro/ttwin-opening-poster.jpg') center / contain no-repeat;
}
.intro__actions {
  position: absolute;
  z-index: 1;
  inset-inline: 20px;
  bottom: max(env(safe-area-inset-bottom, 0px), clamp(26px, 6vh, 64px));
  display: grid;
  justify-items: center;
  gap: 14px;
}
.intro__status {
  padding: 5px 12px;
  border-radius: 4px;
  background: rgba(11, 41, 35, .8);
  color: #f8f5ef;
  text-align: center;
  font: 400 .9rem / 1.6 'Noto Sans Thai', sans-serif;
}
.intro__status:empty { display: none; }
.intro__start {
  min-width: 168px;
  min-height: 54px;
  padding: 13px 32px;
  border: 1px solid #dcc49b;
  border-radius: 7px;
  background: rgba(15, 54, 44, .94);
  color: #fcfaf6;
  font: 500 1.0625rem / 1.6 'Noto Sans Thai', sans-serif;
  box-shadow: 0 8px 26px rgba(3, 24, 17, .2);
  cursor: pointer;
  visibility: hidden;
  opacity: 0;
  transform: translateY(9px) scale(.985);
  transition: opacity 540ms ease, transform 540ms ease, background 180ms ease, box-shadow 180ms ease;
  -webkit-tap-highlight-color: transparent;
}
.intro--ready .intro__start {
  visibility: visible;
  opacity: 1;
  transform: none;
}
.intro__start:hover { background: #1c5143; box-shadow: 0 9px 30px rgba(3, 24, 17, .26); }
.intro__start:active { transform: translateY(1px); }
.intro__start:focus-visible { outline: 3px solid #fff; outline-offset: 5px; }
.intro--leaving { opacity: 0; transform: scale(1.009); pointer-events: none; }
.intro__title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
@media (max-width: 600px) {
  .site-intro { padding: 8px; }
  .intro__actions { inset-inline: 16px; bottom: max(34px, env(safe-area-inset-bottom, 0px)); }
  .intro__start { min-width: 176px; min-height: 56px; }
}
@media (max-height: 500px) and (orientation: landscape) {
  .site-intro { padding: 5px; }
  .intro__actions { bottom: max(12px, env(safe-area-inset-bottom, 0px)); gap: 6px; }
  .intro__start { min-height: 46px; padding-block: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .site-intro, .intro__start { transition: none; transform: none; }
}