/* ============================================================
   A BÚSSOLA — ADVANCED SECTION TRANSITIONS
   Transições avançadas entre seções sem alterar texto/conteúdo.
   Exclui explicitamente #bussola-video do controle deste arquivo.
   ============================================================ */

/* ----------------------------------------------------------
   1. DESIGN TOKENS
   ---------------------------------------------------------- */
:root {
  --tx-duration-fast: 0.35s;
  --tx-duration-normal: 0.7s;
  --tx-duration-slow: 1s;
  --tx-duration-slower: 1.4s;

  --tx-ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --tx-ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
  --tx-ease-in-out-smooth: cubic-bezier(0.45, 0, 0.15, 1);
  --tx-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ----------------------------------------------------------
   2. SECTION REVEAL (base)
   ---------------------------------------------------------- */
.section-reveal {
  --tx-initial-x: 0;
  --tx-initial-y: 45px;
  --tx-initial-scale: 0.985;
  --tx-initial-blur: 3px;
  --tx-initial-rotate: 0deg;
  --tx-duration: var(--tx-duration-slow);

  opacity: 0;
  transform: translate3d(var(--tx-initial-x), var(--tx-initial-y), 0)
             scale(var(--tx-initial-scale))
             rotate(var(--tx-initial-rotate));
  filter: blur(var(--tx-initial-blur));
  transition: opacity var(--tx-duration) var(--tx-ease-out-expo),
              transform var(--tx-duration) var(--tx-ease-out-expo),
              filter var(--tx-duration) var(--tx-ease-out-expo);
  /* Evita conflito com content-visibility: auto de algumas seções */
  content-visibility: visible !important;
  will-change: transform, opacity, filter;
}

.section-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
  filter: blur(0);
}

/* Variações de direção/estilo */
.section-reveal-left {
  --tx-initial-x: -70px;
  --tx-initial-y: 0;
}

.section-reveal-right {
  --tx-initial-x: 70px;
  --tx-initial-y: 0;
}

.section-reveal-zoom {
  --tx-initial-scale: 0.92;
  --tx-initial-blur: 0;
  --tx-initial-y: 0;
}

.section-reveal-blur {
  --tx-initial-blur: 10px;
  --tx-initial-scale: 1.02;
  --tx-initial-y: 0;
}

.section-reveal-clip {
  --tx-initial-clip: polygon(0 0, 100% 0, 100% 0, 0 0);
  --tx-final-clip: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  clip-path: var(--tx-initial-clip);
  transition: opacity var(--tx-duration) var(--tx-ease-out-expo),
              transform var(--tx-duration) var(--tx-ease-out-expo),
              filter var(--tx-duration) var(--tx-ease-out-expo),
              clip-path var(--tx-duration) var(--tx-ease-out-expo);
}

.section-reveal-clip.is-visible {
  clip-path: var(--tx-final-clip);
}

/* ----------------------------------------------------------
   3. GLOW NOS TÍTULOS AO REVELAR
   ---------------------------------------------------------- */
.section-reveal.is-visible .section-title {
  animation: txTitleGlow 1.1s var(--tx-ease-out-expo) forwards;
}

@keyframes txTitleGlow {
  0% {
    text-shadow: 0 0 0 rgba(189, 146, 80, 0);
  }
  45% {
    text-shadow: 0 0 28px rgba(189, 146, 80, 0.22);
  }
  100% {
    text-shadow: 0 0 0 rgba(189, 146, 80, 0);
  }
}

/* ----------------------------------------------------------
   4. PARALLAX SUAVE AO SCROLL
   ---------------------------------------------------------- */
.tx-parallax {
  will-change: transform;
  transition: transform 0.15s linear;
}

/* ----------------------------------------------------------
   5. TRANSFERÊNCIA ENTRE PÁGINAS (overlay wipe)
   ---------------------------------------------------------- */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-transition-overlay::before,
.page-transition-overlay::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 50%;
  background: var(--color-primary);
  transform: scaleY(0);
  transition: transform 0.5s var(--tx-ease-in-out-smooth);
}

.page-transition-overlay::before {
  top: 0;
  transform-origin: top;
}

.page-transition-overlay::after {
  bottom: 0;
  transform-origin: bottom;
}

.page-transition-overlay.is-active::before,
.page-transition-overlay.is-active::after {
  transform: scaleY(1);
}

.page-transition-overlay.is-exiting::before,
.page-transition-overlay.is-exiting::after {
  transform: scaleY(0);
}

/* Ícone decorativo central (sem texto) */
.page-transition-overlay .tx-compass {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  opacity: 0;
  transform: scale(0.6) rotate(-45deg);
  transition: opacity 0.4s ease, transform 0.6s var(--tx-ease-spring);
}

.page-transition-overlay.is-active .tx-compass {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.page-transition-overlay .tx-compass::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  opacity: 0.8;
}

.page-transition-overlay .tx-compass::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  background: var(--color-gold);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  transform: translate(-50%, -50%);
}

/* ----------------------------------------------------------
   6. ENTRADA SUTIL DO CONTEÚDO DAS SEÇÕES (stagger opcional)
   ---------------------------------------------------------- */
[data-tx-stagger] > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s var(--tx-ease-out-expo),
              transform 0.55s var(--tx-ease-out-expo);
}

.section-reveal.is-visible [data-tx-stagger] > * {
  opacity: 1;
  transform: translateY(0);
}

.section-reveal.is-visible [data-tx-stagger] > *:nth-child(1) { transition-delay: 0.08s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(2) { transition-delay: 0.16s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(3) { transition-delay: 0.24s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(4) { transition-delay: 0.32s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(5) { transition-delay: 0.40s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(6) { transition-delay: 0.48s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(7) { transition-delay: 0.56s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(8) { transition-delay: 0.64s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(9) { transition-delay: 0.72s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(10) { transition-delay: 0.80s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(11) { transition-delay: 0.88s; }
.section-reveal.is-visible [data-tx-stagger] > *:nth-child(12) { transition-delay: 0.96s; }

/* ----------------------------------------------------------
   7. RESPONSIVIDADE
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  .section-reveal {
    --tx-initial-y: 30px;
    --tx-initial-blur: 2px;
    --tx-initial-scale: 0.98;
  }

  .section-reveal-left { --tx-initial-x: -35px; }
  .section-reveal-right { --tx-initial-x: 35px; }
}

@media (max-width: 480px) {
  .section-reveal {
    --tx-initial-y: 22px;
  }

  .section-reveal-left,
  .section-reveal-right {
    --tx-initial-x: 0;
    --tx-initial-y: 22px;
  }
}

/* ----------------------------------------------------------
   8. REDUCED MOTION
   ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .section-reveal,
  .section-reveal-clip,
  [data-tx-stagger] > *,
  .page-transition-overlay,
  .page-transition-overlay::before,
  .page-transition-overlay::after {
    transition: none !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
  }

  .page-transition-overlay {
    display: none !important;
  }
}