/* ============================================
   animations.css — OBDX Theme Animations
   Scroll reveals & effects
   ============================================ */

/* ============ Scroll Reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity 0.5s var(--ease),
    transform 0.5s var(--ease-spring);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s var(--ease),
    transform 0.5s var(--ease);
}
.stagger.visible > *:nth-child(1) {
  transition-delay: 0.05s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(2) {
  transition-delay: 0.1s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(3) {
  transition-delay: 0.15s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(4) {
  transition-delay: 0.2s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(5) {
  transition-delay: 0.25s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(6) {
  transition-delay: 0.3s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(7) {
  transition-delay: 0.35s;
  opacity: 1;
  transform: translateY(0);
}
.stagger.visible > *:nth-child(8) {
  transition-delay: 0.4s;
  opacity: 1;
  transform: translateY(0);
}

/* Fade in */
.fade-in {
  animation: fadeIn 0.6s var(--ease);
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Bounce up */
.bounceUp {
  animation: bounceUp 0.6s var(--ease);
}
@keyframes bounceUp {
  0% {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
  }
  to {
    transform: translateZ(0);
    opacity: 1;
  }
}

/* ============ OBDX Page Transition Elements ============ */

/* Grow animation (element entrance) */
.grow {
  height: 0;
  transform: scale(0);
  opacity: 0;
}
.grow-end {
  transform: scale(1);
  opacity: 1;
  transition:
    0.7s,
    opacity 0.3s ease-in-out;
}

/* Cover layer — full-screen dark overlay */
.cd-cover-layer {
  position: fixed;
  left: 50%;
  top: 50%;
  bottom: auto;
  transform: translate(-50%, -50%);
  height: 100%;
  width: 100%;
  opacity: 0;
  z-index: 3;
  visibility: hidden;
  background-color: #003559;
  transition:
    opacity 0.4s 0.4s,
    visibility 0.8s;
}
.page-is-changing .cd-cover-layer {
  opacity: 1;
  visibility: visible;
  transition:
    opacity 0.3s,
    visibility;
}

/* Logo animation during page transition */
.page-is-changing .cd-logo {
  position: fixed;
  z-index: 4;
  background: url(/images/brand/logo.svg) no-repeat;
  background-size: contain;
  top: 40%;
  animation: 0.8s animatezoom;
  left: calc(50% - 5.6rem);
  width: 11.3rem;
  height: 10%;
}

/* Loading progress bar */
.cd-loading-bar {
  position: fixed;
  z-index: 4;
  left: 50%;
  top: 50%;
  height: 0.1rem;
  width: 90%;
  visibility: hidden;
  transition:
    visibility 0.4s,
    transform 0.4s ease-in;
  backface-visibility: hidden;
  transform: translate3d(-50%, -50%, 0);
  background-color: rgba(255, 255, 255, 0.4);
}
.cd-loading-bar::before {
  content: "";
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  background-color: #fff;
  backface-visibility: hidden;
  transform: translateZ(0);
  transform: scaleX(0);
  transform-origin: left center;
}
.page-is-changing .cd-loading-bar {
  visibility: visible;
  transform: translateX(-50%) translateY(-50%) scaleX(0.3);
}
.page-is-changing .cd-loading-bar::before {
  animation-duration: 0.8s;
  animation-delay: 0.8s;
  animation-name: example;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-timing-function: ease-in;
}

/* Initial page loading screen */
.se-pre-con {
  position: fixed;
  inset: 0;
  z-index: 10005;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  transition:
    opacity 0.5s var(--ease),
    visibility 0.5s;
}
.se-pre-con.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.se-pre-con .pre-logo {
  width: 11.3rem;
  height: 3.5rem;
  background: url(/images/brand/logo.svg) no-repeat center;
  background-size: contain;
  animation: 0.8s animatezoom infinite;
}

/* Horizontal loading bar (3-bar animation) */
.se-pre-con.load-bar {
  position: relative;
  width: 100%;
  height: 5px;
  z-index: 3;
  background-color: #82bee3;
}
.se-pre-con.load-bar .bar {
  content: "";
  display: inline;
  position: absolute;
  width: 0;
  height: 100%;
  left: 50%;
  text-align: center;
}
.se-pre-con.load-bar .bar:nth-child(1) {
  background-color: #3287c6;
  animation: 3s linear infinite loading;
}
.se-pre-con.load-bar .bar:nth-child(2) {
  background-color: #2b95d9;
  animation: 3s linear 1s infinite loading;
}
.se-pre-con.load-bar .bar:nth-child(3) {
  background-color: #82bee3;
  animation: 3s linear 2s infinite loading;
}

/* ============ OBDX Transition Keyframes ============ */
@keyframes animatezoom {
  0%,
  100% {
    transform: scale(1);
  }
  1% {
    transform: scale(0.6);
  }
}

@keyframes example {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes loading {
  from {
    left: 50%;
    width: 0;
    z-index: 100;
  }
  33.3333% {
    left: 0;
    width: 100%;
    z-index: 10;
  }
  to {
    left: 0;
    width: 100%;
  }
}

@keyframes loading-bar {
  0% {
    left: -100%;
    background: rgba(0, 135, 191, 0.5);
    box-shadow:
      inset 0 0 0.6rem 0.1rem rgba(117, 182, 255, 0.5),
      0 0 2.5rem 0.1rem #6987ff;
  }
  50% {
    left: 100%;
    transform: rotateY(0);
  }
  51% {
    transform: rotateY(180deg);
  }
  100% {
    left: -100%;
    transform: rotateY(180deg);
    background: #0087bf;
    box-shadow:
      inset 0 0 0.6rem 0.1rem rgba(117, 182, 255, 0.5),
      0 0 1.9rem 0.1rem rgba(105, 135, 255, 0.3);
  }
}

@media screen and (max-width: 780px) {
  .page-is-changing .cd-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(/images/brand/logo.svg) no-repeat;
    background-size: contain;
    position: fixed;
    z-index: 4;
    margin: 0;
    top: 40%;
    left: calc(50% - 5.6rem);
    width: 11.3rem;
    height: 10%;
  }
}