/**
 * OneguS BioLynk — Tela de abertura (intro)
 * Overlay com vídeo, botão pular, play e transição controlada por classes/JS.
 */

.intro {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--ob-safe-top) var(--ob-safe-right) var(--ob-safe-bottom) var(--ob-safe-left);
  box-sizing: border-box;
  background-color: var(--ob-bg);
  background-image: var(--ob-intro-bg-image, url('../assets/img/back2.png'));
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 1000;
}

.intro.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.intro__video {
  width: 100%;
  max-width: min(900px, calc(100vw - var(--ob-safe-left) - var(--ob-safe-right) - 24px));
  height: auto;
  max-height: calc(100dvh - var(--ob-safe-top) - var(--ob-safe-bottom) - 24px);
  max-height: calc(100vh - var(--ob-safe-top) - var(--ob-safe-bottom) - 24px);
  display: block;
  object-fit: contain;
  object-position: center;
  border-radius: var(--ob-radius-xl);
  overflow: hidden;
  border: var(--ob-border-glass);
  box-shadow: var(--ob-shadow-video);
}

.intro__skip {
  position: absolute;
  top: max(16px, var(--ob-safe-top));
  right: max(16px, var(--ob-safe-right));
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: 1px solid var(--ob-stroke-light);
  padding: 0.5rem 0.75rem;
  border-radius: var(--ob-radius-pill);
  cursor: pointer;
  backdrop-filter: blur(var(--ob-blur-sm));
  -webkit-backdrop-filter: blur(var(--ob-blur-sm));
  font-family: var(--ob-font-secondary);
  font-size: 0.875rem;
  transition: all var(--ob-duration-fast) ease;
}

.intro__skip:hover {
  background: rgba(0, 0, 0, 0.7);
  border-color: var(--ob-accent-primary);
}

.intro__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  min-width: 48px;
  min-height: 48px;
  border-radius: 50%;
  background: var(--ob-gradient-accent);
  color: var(--ob-bg);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ob-font-primary);
  transition: all var(--ob-duration-normal) ease;
  box-shadow: 0 8px 30px rgba(130, 56, 179, 0.4);
  z-index: 10;
}

.intro__play:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 12px 40px rgba(130, 56, 179, 0.6);
}

.intro__play:active {
  transform: translate(-50%, -50%) scale(0.95);
}

.intro__play svg {
  width: 32px;
  height: 32px;
  margin-left: 4px;
}

/* Flash branco (transição ao pular) */
.intro-flash {
  position: fixed;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}

.intro-flash.is-active {
  animation: ob-flash 1.2s ease;
}

/* Imagem de sequência (crossfade para a bio) */
.intro-seq {
  position: fixed;
  inset: 0;
  margin: auto;
  width: 100vw;
  width: 100dvw;
  height: 100dvh;
  height: 100vh;
  object-fit: contain;
  object-position: center;
  opacity: 0;
  pointer-events: none;
  z-index: 998;
  display: none;
  transition: opacity 1.5s ease-in-out;
}

@media (prefers-reduced-motion: reduce) {
  .intro-flash {
    display: none;
  }
}