/* DynaLake first-visit drop + WebGL ripple.
   Active only while html.dynalake-intro-pending is set (FOUC gate in index.html). */

html.dynalake-intro-pending,
html.dynalake-intro-pending body {
  overflow: hidden;
}

html.dynalake-intro-pending body > *:not(#dynalake-intro) {
  opacity: 0;
  transform: scale(0.97);
  filter: blur(14px);
  pointer-events: none;
}

html.dynalake-intro-reveal body > *:not(#dynalake-intro) {
  opacity: 1;
  transform: none;
  filter: none;
  pointer-events: auto;
  transition:
    opacity 0.7s ease,
    transform 1.05s cubic-bezier(.22, .82, .2, 1),
    filter 1.05s ease;
}

html.dynalake-intro-pending #dynalake-intro[hidden] {
  display: block;
}

.dl-intro {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  overflow: hidden;
  background: linear-gradient(180deg, #143041 0%, #0a1620 42%, #000 100%);
}

.dl-intro__canvas,
.dl-intro__fx {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.dl-intro__fx {
  pointer-events: none;
}

.dl-intro__drop {
  --dl-drop: clamp(100px, 14vw, 150px);
  position: absolute;
  left: 0;
  top: 0;
  width: var(--dl-drop);
  height: var(--dl-drop);
  margin: calc(var(--dl-drop) / -2) 0 0 calc(var(--dl-drop) / -2);
  border-radius: 48% 48% 52% 52% / 42% 42% 58% 58%;
  background:
    radial-gradient(circle at 30% 26%, rgba(255, 255, 255, 0.7) 0 7%, transparent 20%),
    radial-gradient(circle at 38% 34%, rgba(125, 216, 216, 0.32) 0 22%, transparent 50%),
    radial-gradient(circle at 50% 58%, rgba(58, 184, 200, 0.38) 0 38%, rgba(14, 31, 44, 0.45) 72%, rgba(10, 22, 32, 0.1) 100%);
  box-shadow:
    inset 0 -14px 22px rgba(0, 0, 0, 0.22),
    inset 10px 14px 18px rgba(232, 244, 246, 0.16),
    0 16px 36px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  will-change: transform, opacity;
  opacity: 0;
}

.dl-intro__skip {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 2;
  appearance: none;
  border: 1px solid rgba(32, 136, 152, 0.4);
  background: rgba(10, 22, 32, 0.55);
  color: #e8f4f6;
  font: 600 0.82rem/1 Inter, system-ui, sans-serif;
  letter-spacing: 0.04em;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, border-color 0.2s ease;
}

.dl-intro__skip.is-on {
  opacity: 1;
  pointer-events: auto;
}

.dl-intro__skip:hover,
.dl-intro__skip:focus-visible {
  border-color: #5ac8d0;
  outline: none;
}

.dl-intro.is-exit {
  opacity: 0;
  transition: opacity 0.55s ease;
  pointer-events: none;
}

@media (max-width: 700px) {
  .dl-intro__drop { --dl-drop: 100px; }
}