:root{
  --marfim: #F2ECDD;
  --marfim-clara: #FAF7EE;
  --branco-envelhecido: #EDE4D0;
  --azul-profundo: #17323B;
  --azul-profundo-2: #0E2229;
  --dourado: #B78A4A;
  --dourado-suave: #D8B67C;
  --preto-suave: #211E1A;
  --preto-suave-70: rgba(33,30,26,0.7);
  --serif: 'Lora', Georgia, 'Times New Roman', serif;
  --display: 'Cormorant Garamond', Georgia, serif;
  --tamanho-corpo: 1.05rem;
  --dur-lenta: 1.4s;
  --dur-media: .8s;
  --easing: cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing: border-box; }

html,body{
  margin:0; padding:0;
  background: var(--azul-profundo-2);
  color: var(--preto-suave);
  font-family: var(--serif);
  font-size: var(--tamanho-corpo);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

#app{
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

button{ font-family: inherit; cursor: pointer; }

.cena{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-lenta) var(--easing);
}
.cena-ativa{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ---------- CENA 1 — ABERTURA ---------- */
#cena-abertura{
  background:
    radial-gradient(ellipse at 50% 0%, rgba(216,182,124,0.10), transparent 60%),
    linear-gradient(180deg, var(--azul-profundo) 0%, var(--azul-profundo-2) 100%);
}
.abertura-conteudo{
  max-width: 480px;
  width: 100%;
  padding: 8vh 8vw;
  text-align: center;
  color: var(--marfim-clara);
}
.abertura-eyebrow{
  font-family: var(--display);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--dourado-suave);
  margin: 0 0 .6em;
  opacity: 0;
  animation: surgir var(--dur-lenta) var(--easing) .2s forwards;
}
.abertura-titulo{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.6rem, 11vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 .35em;
  color: var(--marfim-clara);
  opacity: 0;
  animation: surgir var(--dur-lenta) var(--easing) .5s forwards;
}
.abertura-data{
  font-size: .95rem;
  letter-spacing: .08em;
  color: var(--dourado-suave);
  margin: 0 0 1.6em;
  opacity: 0;
  animation: surgir var(--dur-lenta) var(--easing) .8s forwards;
}
.abertura-frase{
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.6;
  color: rgba(250,247,238,0.85);
  margin: 0 0 2.4em;
  opacity: 0;
  animation: surgir var(--dur-lenta) var(--easing) 1.1s forwards;
}
.abertura-rodape{
  margin-top: 1.4em;
  font-size: .82rem;
  color: rgba(250,247,238,0.55);
  opacity: 0;
  animation: surgir var(--dur-lenta) var(--easing) 1.7s forwards;
}
@keyframes surgir{
  from{ opacity: 0; transform: translateY(10px); }
  to{ opacity: 1; transform: translateY(0); }
}

.botao{
  border: 1px solid var(--dourado);
  background: transparent;
  color: var(--marfim-clara);
  padding: .95em 2.4em;
  font-size: 1rem;
  letter-spacing: .04em;
  border-radius: 2px;
  transition: background var(--dur-media) var(--easing), color var(--dur-media) var(--easing);
  opacity: 0;
  animation: surgir var(--dur-lenta) var(--easing) 1.4s forwards;
  min-height: 48px;
}
.botao:active{ background: rgba(216,182,124,0.18); }
@media (hover:hover){
  .botao:hover{ background: rgba(216,182,124,0.14); }
}
.botao-principal{ font-family: var(--display); font-size: 1.15rem; }
.botao-secundario{
  border-color: rgba(23,50,59,0.35);
  color: var(--azul-profundo);
  background: rgba(255,255,255,0.35);
  animation: none;
  opacity: 1;
}

/* ---------- CENA 2/3 — A CARTA ---------- */
#cena-carta{
  background: linear-gradient(180deg, var(--marfim) 0%, var(--branco-envelhecido) 100%);
  align-items: flex-start;
  flex-direction: column;
}
.carta-topo{
  position: sticky;
  top: 0;
  z-index: 5;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: .4em;
  align-items: center;
  justify-content: center;
  padding: max(env(safe-area-inset-top,10px), 10px) 3vw 10px;
  background: linear-gradient(180deg, var(--marfim) 0%, rgba(242,236,221,0.92) 70%, rgba(242,236,221,0.0) 100%);
}
.grupo-botoes{
  display: flex;
  gap: 2px;
  border: 1px solid rgba(23,50,59,0.22);
  border-radius: 3px;
  overflow: hidden;
  background: rgba(255,255,255,0.45);
}
.grupo-botoes .botao-icone{
  border: none;
  border-radius: 0;
  background: transparent;
}
.botao-icone{
  border: 1px solid rgba(23,50,59,0.25);
  background: rgba(255,255,255,0.5);
  color: var(--azul-profundo);
  font-size: .76rem;
  padding: .45em .7em;
  border-radius: 3px;
  min-height: 38px;
  white-space: nowrap;
  transition: background .3s ease, color .3s ease;
}
.botao-velocidade{ min-width: 44px; }
.botao-icone.ativo{
  background: var(--azul-profundo);
  color: var(--marfim-clara);
}
.controlo-velocidade{
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
  width: 36px;
}
.folha-envolvente{
  width: 100%;
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  justify-content: center;
  padding: 0 0 18vh;
  transition: opacity var(--dur-lenta) var(--easing), filter var(--dur-lenta) var(--easing);
}
.folha-envolvente.a-desvanecer{
  opacity: 0;
  filter: blur(6px);
  pointer-events: none;
}
.folha{
  max-width: 620px;
  width: 100%;
  padding: 3vh 7vw 4vh;
  position: relative;
}
.folha-linha-dourada{
  width: 56px;
  height: 2px;
  background: var(--dourado);
  margin: 0 auto 1.4em;
  opacity: .8;
}
.folha-cabecalho{ text-align: center; margin-bottom: 1.6em; }
.folha-titulo{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.6rem, 6vw, 2.1rem);
  letter-spacing: .03em;
  color: var(--azul-profundo);
  margin: 0 0 .5em;
}
.folha-assunto{
  font-style: italic;
  font-size: .92em;
  color: var(--preto-suave-70);
  line-height: 1.6;
  margin: 0;
}
.folha-corpo p{
  line-height: 1.85;
  margin: 0 0 1.3em;
  max-width: 66ch;
}
.bloco-destaque{
  font-style: italic;
  color: var(--azul-profundo);
  font-weight: 500;
}
.folha-assinatura{
  margin-top: 2.2em;
  padding-top: 1.4em;
  border-top: 1px solid rgba(23,50,59,0.15);
  text-align: center;
}
.folha-citacao{
  font-family: var(--display);
  font-style: italic;
  font-size: 1.15em;
  color: var(--dourado);
  margin-top: 1em;
}

.bloco-texto{
  opacity: 0;
  transform: translateY(14px);
  filter: blur(2px);
  transition: opacity 1.1s var(--easing), transform 1.1s var(--easing), filter 1.1s var(--easing), color .6s ease;
}
.bloco-texto.revelado{
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
.bloco-texto.ativo{
  color: var(--azul-profundo);
}
.folha-corpo .bloco-texto:not(.ativo).revelado{
  color: rgba(33,30,26,0.72);
}

/* ---------- CENA 4 — GALERIA ---------- */
#cena-galeria{
  background: var(--azul-profundo-2);
  overflow: hidden;
}
.galeria-legenda-topo{
  position: absolute;
  top: max(env(safe-area-inset-top,0px), 18px);
  left: 0; right: 0;
  text-align: center;
  font-family: var(--display);
  font-style: italic;
  letter-spacing: .1em;
  font-size: .85rem;
  color: var(--dourado-suave);
  z-index: 3;
  text-transform: lowercase;
}
.galeria-palco{
  position: absolute;
  inset: 0;
}
.galeria-item{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.galeria-item.ativo{ opacity: 1; z-index: 2; }

/* Fundo desfocado: preenche o ecrã sem cortar a fotografia real. */
.galeria-fundo{
  position: absolute;
  inset: -8%;
  background-size: cover;
  background-position: center;
  filter: blur(28px) saturate(0.85) brightness(0.45);
  transform: scale(1.1);
}

/* A fotografia/vídeo aparece INTEIRA, sem cortes. */
.galeria-moldura{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7vh 4vw 13vh;
}
.galeria-media{
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.45);
  animation: zoomlento 9s ease-out forwards;
}
@keyframes zoomlento{
  from{ transform: scale(1.0); }
  to{ transform: scale(1.04); }
}
.galeria-item::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,34,41,0.25) 0%, rgba(14,34,41,0.0) 35%, rgba(14,34,41,0.45) 100%);
  pointer-events: none;
  z-index: 2;
}
.galeria-legenda{ z-index: 3; }
.galeria-legenda{
  position: absolute;
  left: 0; right: 0;
  bottom: max(env(safe-area-inset-bottom,0px), 84px);
  text-align: center;
  z-index: 3;
  color: var(--marfim-clara);
  font-size: .95rem;
  letter-spacing: .02em;
  padding: 0 8vw;
  text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}
.galeria-progresso{
  position: absolute;
  bottom: max(env(safe-area-inset-bottom,0px), 62px);
  left: 8vw; right: 8vw;
  height: 2px;
  background: rgba(255,255,255,0.18);
  z-index: 3;
}
.galeria-barra{
  height: 100%;
  width: 0%;
  background: var(--dourado-suave);
  transition: width .2s linear;
}

/* ---------- CENA 5 — FINAL ---------- */
#cena-final{
  background: linear-gradient(180deg, var(--azul-profundo-2), var(--azul-profundo));
  padding: 4vh 0;
}
.final-conteudo{
  max-width: 480px;
  width: 100%;
  padding: 0 8vw 4vh;
  text-align: center;
  color: var(--marfim-clara);
  max-height: 100%;
  overflow-y: auto;
}
.final-imagem-moldura{
  width: 78%;
  max-width: 300px;
  margin: 0 auto 1.4em;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(216,182,124,0.35);
}
.final-imagem{ width: 100%; display: block; }
.final-linha-dourada{
  width: 40px; height: 1px;
  background: var(--dourado);
  margin: 0 auto 1em;
}
.final-nome{
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 .15em;
}
.final-cargo{
  font-size: .88rem;
  color: var(--dourado-suave);
  letter-spacing: .03em;
  margin: 0 0 .3em;
}
.final-evento{
  font-size: .82rem;
  color: rgba(250,247,238,0.6);
  margin: 0 0 1.4em;
}
.final-frase{
  font-style: italic;
  line-height: 1.7;
  margin: 0 0 1.8em;
}
.final-botoes{
  display: flex;
  flex-direction: column;
  gap: .7em;
  margin-bottom: 1.6em;
}
.final-aviso{
  font-size: .74rem;
  color: rgba(250,247,238,0.4);
  line-height: 1.5;
}

/* ---------- BARRA DE ÁUDIO ---------- */
.controlo-audio{
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 4vw calc(10px + env(safe-area-inset-bottom,0px));
  background: rgba(15,34,41,0.92);
  backdrop-filter: blur(6px);
  color: var(--marfim-clara);
  transform: translateY(100%);
  transition: transform .5s var(--easing);
}
.controlo-audio.visivel{ transform: translateY(0); }
.controlo-botao{
  background: none; border: none; color: var(--marfim-clara);
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; flex-shrink: 0;
}
.controlo-botao-pequeno{ width: 32px; height: 32px; opacity: .8; }
.controlo-tempo{ font-size: .72rem; color: rgba(250,247,238,0.75); min-width: 32px; text-align: center; flex-shrink: 0; }
.controlo-progresso, .controlo-volume{
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: rgba(255,255,255,0.25);
  border-radius: 2px;
  outline: none;
}
.controlo-progresso{ flex: 1; min-width: 40px; }
.controlo-volume{ width: 60px; display: none; }
.controlo-volume.visivel{ display: block; }
.controlo-progresso::-webkit-slider-thumb, .controlo-volume::-webkit-slider-thumb{
  -webkit-appearance: none;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--dourado-suave);
  cursor: pointer;
}
.controlo-progresso::-moz-range-thumb, .controlo-volume::-moz-range-thumb{
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--dourado-suave); border: none; cursor: pointer;
}

.erro-audio{
  position: fixed;
  left: 4vw; right: 4vw;
  bottom: 76px;
  z-index: 21;
  background: #5c2b23;
  color: #f7e9e6;
  font-size: .82rem;
  padding: .8em 1em;
  border-radius: 3px;
  text-align: center;
}

/* ---------- ACESSIBILIDADE / RESPONSIVO ---------- */
:focus-visible{
  outline: 2px solid var(--dourado-suave);
  outline-offset: 2px;
}

@media (min-width: 720px){
  .folha{ padding-top: 6vh; }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .galeria-item img, .galeria-item video{ animation: none; transform: none; }
}

.tamanho-grande{ --tamanho-corpo: 1.22rem; }
.tamanho-maior{ --tamanho-corpo: 1.4rem; }