/* ==========================================================================
   Animations - Emmanuel Lutheran Church
   ========================================================================== */

/* -------------------------------------------------------------------------
   Scroll Reveal Animations
   ------------------------------------------------------------------------- */

/* Base state for elements that will animate in */
[data-animate] {
  opacity: 0;
  transition:
    opacity var(--duration-700) var(--ease-out),
    transform var(--duration-700) var(--ease-out);
}

[data-animate].is-visible {
  opacity: 1;
}

/* Fade Up */
[data-animate="fade-up"] {
  transform: translateY(30px);
}

[data-animate="fade-up"].is-visible {
  transform: translateY(0);
}

/* Fade In */
[data-animate="fade-in"] {
  transform: none;
}

/* Fade Left */
[data-animate="fade-left"] {
  transform: translateX(30px);
}

[data-animate="fade-left"].is-visible {
  transform: translateX(0);
}

/* Fade Right */
[data-animate="fade-right"] {
  transform: translateX(-30px);
}

[data-animate="fade-right"].is-visible {
  transform: translateX(0);
}

/* Scale Up */
[data-animate="scale-up"] {
  transform: scale(0.95);
}

[data-animate="scale-up"].is-visible {
  transform: scale(1);
}

/* Stagger delays for grid items */
[data-animate-delay="1"] { transition-delay: 100ms; }
[data-animate-delay="2"] { transition-delay: 200ms; }
[data-animate-delay="3"] { transition-delay: 300ms; }
[data-animate-delay="4"] { transition-delay: 400ms; }
[data-animate-delay="5"] { transition-delay: 500ms; }
[data-animate-delay="6"] { transition-delay: 600ms; }

/* -------------------------------------------------------------------------
   Hero Animations
   ------------------------------------------------------------------------- */
.hero__content {
  animation: heroFadeIn 1.2s var(--ease-out) forwards;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__title {
  animation: heroTitleIn 1s var(--ease-out) 0.2s backwards;
}

@keyframes heroTitleIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__subtitle {
  animation: heroSubtitleIn 1s var(--ease-out) 0.4s backwards;
}

@keyframes heroSubtitleIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__actions {
  animation: heroActionsIn 1s var(--ease-out) 0.6s backwards;
}

@keyframes heroActionsIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle background parallax effect */
.hero__background img {
  transform: scale(1.05);
  transition: transform 0.1s linear;
}

/* -------------------------------------------------------------------------
   Button Interactions
   ------------------------------------------------------------------------- */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: transform var(--duration-500) var(--ease-out);
}

.btn:hover::after {
  transform: translateX(100%);
}

/* -------------------------------------------------------------------------
   Card Hover Effects
   ------------------------------------------------------------------------- */
.card {
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    var(--color-brand-blue) 0%,
    var(--color-blue-600) 100%
  );
  opacity: 0;
  transition: opacity var(--duration-300) var(--ease-out);
  z-index: -1;
}

.card:hover::before {
  opacity: 0.03;
}

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

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--color-brand-blue),
    var(--color-amber-500)
  );
  transition: width var(--duration-300) var(--ease-out);
  border-radius: var(--radius-full);
}

.service-card:hover::after {
  width: 60%;
}

/* -------------------------------------------------------------------------
   Link Underline Animation
   ------------------------------------------------------------------------- */
.link-animated {
  position: relative;
}

.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width var(--duration-300) var(--ease-out);
}

.link-animated:hover::after {
  width: 100%;
}

/* -------------------------------------------------------------------------
   Navigation Transitions
   ------------------------------------------------------------------------- */
.navbar {
  transition:
    background-color var(--duration-300) var(--ease-out),
    box-shadow var(--duration-300) var(--ease-out);
}

.navbar__link {
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width var(--duration-200) var(--ease-out);
}

.navbar__link:hover::after {
  width: calc(100% - var(--space-4));
}

/* Mobile nav animation */
.mobile-nav {
  transition: transform var(--duration-300) var(--ease-out);
}

.mobile-nav__link {
  transform: translateX(20px);
  opacity: 0;
  transition:
    transform var(--duration-300) var(--ease-out),
    opacity var(--duration-300) var(--ease-out);
}

.mobile-nav.is-open .mobile-nav__link {
  transform: translateX(0);
  opacity: 1;
}

.mobile-nav.is-open .mobile-nav__link:nth-child(1) { transition-delay: 100ms; }
.mobile-nav.is-open .mobile-nav__link:nth-child(2) { transition-delay: 150ms; }
.mobile-nav.is-open .mobile-nav__link:nth-child(3) { transition-delay: 200ms; }
.mobile-nav.is-open .mobile-nav__link:nth-child(4) { transition-delay: 250ms; }
.mobile-nav.is-open .mobile-nav__link:nth-child(5) { transition-delay: 300ms; }
.mobile-nav.is-open .mobile-nav__link:nth-child(6) { transition-delay: 350ms; }

/* -------------------------------------------------------------------------
   Image Hover Effects
   ------------------------------------------------------------------------- */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform var(--duration-500) var(--ease-out);
}

.img-zoom:hover img {
  transform: scale(1.05);
}

/* -------------------------------------------------------------------------
   Loading States
   ------------------------------------------------------------------------- */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
}

@keyframes skeleton {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* -------------------------------------------------------------------------
   Scroll Progress Indicator (optional)
   ------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--color-brand-blue),
    var(--color-amber-500)
  );
  z-index: calc(var(--z-header) + 1);
  transition: width 0.1s linear;
}

/* -------------------------------------------------------------------------
   Focus Animations
   ------------------------------------------------------------------------- */
@keyframes focusRing {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 127, 176, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(37, 127, 176, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 127, 176, 0);
  }
}

.btn:focus-visible {
  animation: focusRing 0.5s ease-out;
}

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

  [data-animate] {
    opacity: 1;
    transform: none;
  }

  .hero__background img {
    transform: none;
  }
}