/* ScrollExpand — base component styles (React Bits, ported) */

.scroll-expand {
  position: relative;
  width: 100%;
  height: 100%;
}

.scroll-expand--scroller {
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overscroll-behavior: contain;
}

.scroll-expand--scroller::-webkit-scrollbar {
  display: none;
}

.scroll-expand__track {
  position: relative;
  width: 100%;
}

.scroll-expand__stage {
  position: sticky;
  top: 0;
  width: 100%;
  overflow: hidden;
  --se-title-size: 4rem;
}

.scroll-expand__frame {
  position: absolute;
  inset: 0;
  clip-path: inset(21% 29% 21% 29% round 24px);
  will-change: clip-path;
}

.scroll-expand__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  transform-origin: center;
  user-select: none;
  -webkit-user-drag: none;
}

.scroll-expand__media--color {
  filter: saturate(1.35) contrast(1.04);
}

.scroll-expand__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.4) 45%, rgba(0, 0, 0, 0.55));
  opacity: 0;
}

.scroll-expand__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6%;
  opacity: 0;
  will-change: opacity, transform;
}

.scroll-expand__title {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0 6%;
  text-align: center;
  font-size: var(--se-title-size);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
  pointer-events: none;
  will-change: opacity, transform;
}

.scroll-expand__hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.55);
  pointer-events: none;
  will-change: opacity, transform;
}

/* Outer placeholder tiles — scattered on the stage background, around the frame margins.
   Fade out early in the scroll (see applyProgress) before the frame expands over them. */

.scroll-expand__outer-tile {
  position: absolute;
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
  will-change: opacity, scale, translate;
  z-index: 1;
}

.scroll-expand__outer-tile-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.scroll-expand__outer-tile-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  padding: 10px 12px;
}

.scroll-expand__outer-tile--1 { top: 9%;  left: 3%; width: 24%; height: 27%; }
.scroll-expand__outer-tile--2 { top: 64%; left: 2%; width: 22%; height: 28%; }
.scroll-expand__outer-tile--3 { top: 5%;  right: 3%; width: 23%; height: 28%; }
.scroll-expand__outer-tile--4 { top: 60%; right: 2%; width: 22%; height: 30%; }
.scroll-expand__outer-tile--5 { top: 81%; left: 39%; width: 22%; height: 16%; }

/* Idle float — subtle continuous wobble, independent of the scroll-driven scale/translate above */

@media (prefers-reduced-motion: no-preference) {
  .scroll-expand__outer-tile {
    animation-name: se-outer-float;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
  }

  .scroll-expand__outer-tile--1 { animation-duration: 5.6s; animation-delay: 0s; }
  .scroll-expand__outer-tile--2 { animation-duration: 6.8s; animation-delay: 0.6s; }
  .scroll-expand__outer-tile--3 { animation-duration: 6.2s; animation-delay: 1.2s; }
  .scroll-expand__outer-tile--4 { animation-duration: 7.4s; animation-delay: 0.3s; }
  .scroll-expand__outer-tile--5 { animation-duration: 5.9s; animation-delay: 0.9s; }
}

@keyframes se-outer-float {
  0%, 100% { rotate: 0deg; }
  25% { rotate: 1.6deg; }
  75% { rotate: -1.6deg; }
}

@media (max-width: 640px) {
  .scroll-expand__outer-tile { display: none; }
}

/* ABST fullscreen hero — scoped overrides, shared by the homepage and project pages */

.scroll-expand-hero .scroll-expand__stage {
  background: var(--dark);
  background-image:
    linear-gradient(var(--dark-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--dark-line) 1px, transparent 1px);
  background-size: 44px 44px;
  min-height: 560px;
}

.scroll-expand-hero .scroll-expand__stage::before,
.scroll-expand-hero .scroll-expand__stage::after {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  border-color: var(--accent-cyan);
  border-style: solid;
  opacity: 0.85;
  pointer-events: none;
  z-index: 5;
}

.scroll-expand-hero .scroll-expand__stage::before { top: 22px; left: 22px; border-width: 2px 0 0 2px; }
.scroll-expand-hero .scroll-expand__stage::after { bottom: 22px; right: 22px; border-width: 0 2px 2px 0; }

.scroll-expand-hero .scroll-expand__title {
  font-family: var(--font-display);
  max-width: 24ch;
  margin: 0 auto;
}

.scroll-expand-hero .scroll-expand__overlay .eyebrow {
  justify-content: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85), 0 1px 2px rgba(0, 0, 0, 0.9);
}

.scroll-expand-hero .scroll-expand__overlay .hero-sub {
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.75), 0 1px 3px rgba(0, 0, 0, 0.9);
}

.scroll-expand-hero .scroll-expand__overlay .scroll-cue {
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
}

@media (max-width: 640px) {
  .scroll-expand-hero .scroll-expand__stage::before,
  .scroll-expand-hero .scroll-expand__stage::after {
    width: 18px;
    height: 18px;
  }
  .scroll-expand-hero .scroll-expand__stage::before { top: 14px; left: 14px; }
  .scroll-expand-hero .scroll-expand__stage::after { bottom: 14px; right: 14px; }
}