/* ============================================================
   DRAKE CONSTRUCTION — Animations & Micro-interactions
   ============================================================ */

/* --- Ken Burns Hero --- */
@keyframes kenBurns {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.06);
  }
}

.hero__bg img {
  animation: kenBurns 22s ease-out forwards;
}

/* --- Scroll Indicator Pulse --- */
@keyframes scrollPulse {
  0%, 100% {
    opacity: 0.4;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 0.8;
    transform: translateX(-50%) translateY(6px);
  }
}

.hero__scroll-indicator {
  animation: scrollPulse 2.4s ease-in-out infinite;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-stagger--visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger--visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger--visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger--visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger--visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger--visible > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger--visible > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger--visible > *:nth-child(8) { transition-delay: 560ms; }

.reveal-stagger--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Fade In (for images, lightbox) --- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* --- Image load fade --- */
.lazy-image {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.lazy-image--loaded {
  opacity: 1;
}

/* --- Stat counter highlight --- */
@keyframes statPop {
  0% {
    transform: scale(0.85);
    opacity: 0;
  }
  60% {
    transform: scale(1.03);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.about__stat {
  opacity: 0;
}

.about__stat--animated {
  animation: statPop 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.about__stat--animated:nth-child(2) { animation-delay: 120ms; }
.about__stat--animated:nth-child(3) { animation-delay: 240ms; }

/* --- Nav link hover underline grow --- */
@keyframes underlineGrow {
  from { width: 0; }
  to { width: 100%; }
}

/* --- Mobile menu link stagger --- */
.nav__mobile-overlay .nav__link {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.nav__mobile-overlay--open .nav__link:nth-child(1) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
.nav__mobile-overlay--open .nav__link:nth-child(2) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
.nav__mobile-overlay--open .nav__link:nth-child(3) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
.nav__mobile-overlay--open .nav__link:nth-child(4) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
.nav__mobile-overlay--open .nav__link:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }

/* --- Project card overlay slide --- */
.project-card__overlay {
  transform: translateY(8px);
}

.project-card:hover .project-card__overlay {
  transform: translateY(0);
}

/* --- Service card border slide --- */
.service-card {
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--color-red);
  transition: height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card:hover::before {
  height: 100%;
}

/* --- Gallery item reveal on page load --- */
.project-gallery__item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.project-gallery__item--visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Image scroll reveal (gallery + project tiles) --- */
.reveal-img {
  opacity: 0;
  transform: translateY(36px) scale(0.985);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.reveal-img--visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__bg img {
    animation: none;
  }

  .hero__scroll-indicator {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .reveal-img {
    opacity: 1;
    transform: none;
  }
}