/* ============================================================
   PHOTO.PT — animations.css
   Keyframes · Transições de página · Hover states
   ============================================================ */


/* ------------------------------------------------------------
   1. KEYFRAMES
   ------------------------------------------------------------ */

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* Linha que cresce da esquerda para a direita */
@keyframes lineGrow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Scroll indicator */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60%       { transform: translateY(8px); opacity: 0.4; }
}

/* Ticker / marquee horizontal */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}


/* ------------------------------------------------------------
   2. ENTRADA DE PÁGINA
   ------------------------------------------------------------ */
.page-enter {
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

/* Hero — cada elemento com delay crescente */
.hero-animate-1 {
  animation: fadeUp var(--duration-slow) var(--ease-out) 100ms both;
}
.hero-animate-2 {
  animation: fadeUp var(--duration-slow) var(--ease-out) 250ms both;
}
.hero-animate-3 {
  animation: fadeUp var(--duration-slow) var(--ease-out) 400ms both;
}
.hero-animate-4 {
  animation: fadeUp var(--duration-slow) var(--ease-out) 600ms both;
}

/* Nav — entra de cima */
.nav-animate {
  animation: fadeDown var(--duration-slow) var(--ease-out) 50ms both;
}


/* ------------------------------------------------------------
   3. SCROLL REVEAL — classes aplicadas via JS (Intersection Observer)
   (estado inicial já definido em main.css como .reveal)
   Variantes adicionais:
   ------------------------------------------------------------ */

/* Reveal da esquerda */
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal da direita */
.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal de escala */
.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Linha decorativa que aparece no scroll */
.reveal-line {
  transform-origin: left;
  animation: none;
}

.reveal-line.is-visible {
  animation: lineGrow var(--duration-slow) var(--ease-out) both;
}


/* ------------------------------------------------------------
   4. HOVER — PORTFÓLIO / MEDIA
   ------------------------------------------------------------ */

/* Container de item de portfólio */
.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slower) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__media {
  transform: scale(1.06);
}

/* Overlay de info que sobe no hover */
.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.2) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__info {
  transform: translateY(12px);
  transition: transform var(--duration-base) var(--ease-out);
}

.portfolio-item:hover .portfolio-item__info {
  transform: translateY(0);
}

.portfolio-item__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.portfolio-item__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
}


/* ------------------------------------------------------------
   5. MARQUEE / TICKER — logos de clientes e prémios
   ------------------------------------------------------------ */
.marquee {
  overflow: hidden;
  white-space: nowrap;
}

.marquee__track {
  display: inline-flex;
  gap: var(--space-16);
  animation: marquee 28s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-faint);
  transition: color var(--duration-fast) var(--ease-out);
}

.marquee__item:hover {
  color: var(--color-text-muted);
}

/* Separador entre itens do marquee */
.marquee__sep {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0.5;
  margin-inline: var(--space-8);
  vertical-align: middle;
}


/* ------------------------------------------------------------
   6. SCROLL INDICATOR (hero)
   ------------------------------------------------------------ */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.scroll-indicator__line {
  width: 1px;
  height: 48px;
  background: linear-gradient(
    to bottom,
    var(--color-accent),
    transparent
  );
  animation: scrollBounce 2s var(--ease-in-out) infinite;
}


/* ------------------------------------------------------------
   7. CURSOR PERSONALIZADO (opcional — só desktop)
   ------------------------------------------------------------ */
@media (hover: hover) and (pointer: fine) {
  .cursor {
    position: fixed;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition:
      transform var(--duration-fast) var(--ease-out),
      width var(--duration-base) var(--ease-out),
      height var(--duration-base) var(--ease-out),
      opacity var(--duration-base) var(--ease-out);
  }

  .cursor--expanded {
    width: 40px;
    height: 40px;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    opacity: 0.6;
  }
}


/* ------------------------------------------------------------
   8. TRANSIÇÃO SUAVE ENTRE PÁGINAS
   (controlada via JS — adiciona/remove .page-out ao body)
   ------------------------------------------------------------ */
body.page-out {
  animation: fadeIn var(--duration-base) var(--ease-out) reverse both;
}

body.page-in {
  animation: fadeIn var(--duration-base) var(--ease-out) both;
}