/* ── Page transitions ─────────────────────────────────────────────────── */

#app {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--duration-page) var(--ease-out),
    transform var(--duration-page) var(--ease-out);
}

#app.is-leaving {
  opacity: 0;
  transform: translateY(6px);
}

#app.is-entering {
  animation: pageEnter var(--duration-slow) var(--ease-out) forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Scroll reveal ───────────────────────────────────────────────────── */

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay for grid items */
[data-reveal][data-delay="1"] { transition-delay: 60ms; }
[data-reveal][data-delay="2"] { transition-delay: 120ms; }
[data-reveal][data-delay="3"] { transition-delay: 180ms; }
[data-reveal][data-delay="4"] { transition-delay: 240ms; }
[data-reveal][data-delay="5"] { transition-delay: 300ms; }
[data-reveal][data-delay="6"] { transition-delay: 360ms; }

/* ── Hero entrance ───────────────────────────────────────────────────── */

.hero__eyebrow { animation: fadeUp 0.6s var(--ease-out) 0.1s both; }
.hero__title   { animation: fadeUp 0.7s var(--ease-out) 0.2s both; }
.hero__subtitle { animation: fadeUp 0.7s var(--ease-out) 0.35s both; }
.hero__cta     { animation: fadeUp 0.6s var(--ease-out) 0.5s both; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Lightbox ────────────────────────────────────────────────────────── */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0);
  transition: background-color var(--duration-base) var(--ease-out);
  pointer-events: none;
}

.lightbox.is-open {
  background-color: var(--color-overlay);
  pointer-events: all;
}

.lightbox__img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  transform: scale(0.94);
  opacity: 0;
  transition:
    transform var(--duration-slow) var(--ease-spring),
    opacity var(--duration-base) var(--ease-out);
}

.lightbox.is-open .lightbox__img-wrap {
  transform: scale(1);
  opacity: 1;
}

.lightbox__img {
  display: block;
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--border-radius-lg);
}

.lightbox__controls {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--space-6);
  pointer-events: none;
  opacity: 0;
}

.lightbox.is-open .lightbox__controls {
  opacity: 1;
}

.lightbox__btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: all;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(8px);
}

.lightbox__btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.08);
}

.lightbox__close {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  backdrop-filter: blur(8px);
  pointer-events: none;
  opacity: 0;
}

.lightbox.is-open .lightbox__close {
  pointer-events: all;
  opacity: 1;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lightbox__counter {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
  pointer-events: none;
  opacity: 0;
}

.lightbox.is-open .lightbox__counter {
  opacity: 1;
}