/* ---------- DONK. intro: page state while the intro plays ---------- */
html.donk-intro header .header-title-logo,
html.donk-intro header .header-title-logo img { opacity: 0 !important; }

html.donk-intro header .header-nav,
html.donk-intro header .header-actions,
html.donk-intro header .header-burger,
html.donk-intro header .filter { opacity: 0; }

/* project tiles wait below the screen; each one is animated in by the script */
html.donk-intro #page .fe-block,
html.donk-intro #page .donk-tile { transform: translateY(110vh); }
html.donk-intro footer.sections { transform: translateY(100vh); }

/* reveal: nav fades in, grid rises while the wordmark flies to the logo */
html.donk-intro.donk-intro-reveal header .header-nav,
html.donk-intro.donk-intro-reveal header .header-actions,
html.donk-intro.donk-intro-reveal header .header-burger,
html.donk-intro.donk-intro-reveal header .filter {
  opacity: 1; transition: opacity .6s ease .55s;
}
html.donk-intro.donk-intro-reveal footer.sections {
  transform: none;
  transition: transform var(--donk-flight, 1100ms) cubic-bezier(.65, 0, .15, 1);
}

/* ---------- overlay + wordmark ---------- */
.donk-intro-overlay {
  position: fixed; inset: 0; z-index: 99999;
  display: flex; align-items: center; justify-content: center;
  background: #000; cursor: pointer;
  transition: background-color .35s ease;
}
.donk-intro-overlay.is-exiting { background-color: transparent; pointer-events: none; }

.donk-wm {
  position: relative;
  width: min(72vw, 1080px);
  aspect-ratio: 1531.5 / 366.72;
  transform-origin: 0 0;
  will-change: transform;
  perspective: 1400px;
}
@media (max-width: 767px) { .donk-wm { width: 84vw; } }

.donk-l {
  position: absolute; display: block;
  visibility: hidden;
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
}
.donk-l.is-on { visibility: visible; }
.donk-face, .donk-side {
  position: absolute; inset: 0; display: block; overflow: hidden;
  background: #fff;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%; mask-size: 100% 100%;
}
.donk-wm { transform-style: preserve-3d; }

.donk-img {
  position: absolute; inset: 0;
  background: #fff center / cover no-repeat;
  opacity: 0;
}
.donk-l.is-cycling .donk-img { opacity: 1; }
.donk-intro-overlay.is-exiting .donk-img {
  opacity: 0;
  transition: opacity calc(var(--donk-flight, 1100ms) * .45) ease calc(var(--donk-flight, 1100ms) * .35);
}

/* scroll hint arrow */
.donk-scroll {
  position: absolute; left: 50%; bottom: calc(34px + env(safe-area-inset-bottom, 0px));
  width: 22px; height: 12px; margin-left: -11px; opacity: 0; transition: opacity .6s ease;
}
.donk-scroll svg { width: 100%; height: 100%; overflow: visible; animation: donk-bob 1.6s ease-in-out infinite; }
.donk-scroll path { fill: none; stroke: #fff; stroke-width: 2.25px; stroke-linecap: square; vector-effect: non-scaling-stroke; }
.donk-intro-overlay.show-hint .donk-scroll { opacity: 1; }
.donk-intro-overlay.is-exiting .donk-scroll { opacity: 0; transition-duration: .2s; }
@keyframes donk-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(8px); } }