:root {
  --bg: #0d0608;
  --bg-claro: #1a0e12;
  --vinho: #5c1a26;
  --vinho-claro: #8b1a2e;
  --vinho-vivo: #c4304a;
  --rosa: #e8a0b0;
  --dourado: #d4a574;
  --texto: #f4e8e8;
  --texto-suave: rgba(244, 232, 232, 0.72);
  --texto-fraco: rgba(244, 232, 232, 0.42);
  --serif: 'Cormorant Garamond', serif;
  --sans: 'Inter', sans-serif;
  --script: 'Dancing Script', cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background:
    linear-gradient(180deg, #160a0e 0%, #0d0608 30%, #0a0506 60%, #120709 100%);
  background-attachment: fixed;
  color: var(--texto);
  font-family: var(--serif);
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 12% 12%, rgba(196,48,74,0.20) 0%, transparent 50%),
    radial-gradient(ellipse 70% 60% at 88% 75%, rgba(139,26,46,0.22) 0%, transparent 55%),
    radial-gradient(ellipse 80% 80% at 50% 50%, rgba(92,26,38,0.10) 0%, transparent 65%),
    radial-gradient(circle at 50% 0%, rgba(196,48,74,0.10) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
  animation: respirarLuz 12s ease-in-out infinite;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(196,48,74,0.16) 1px, transparent 1px),
    radial-gradient(circle, rgba(232,160,176,0.08) 1px, transparent 1px);
  background-size: 70px 70px, 35px 35px;
  background-position: 0 0, 18px 18px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  box-shadow: inset 0 0 200px 80px rgba(13,6,8,0.9);
}

@keyframes respirarLuz {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

/* ENTRADA */
.entrada {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.8s ease, visibility 1.8s ease;
}
.entrada.escondido { opacity: 0; visibility: hidden; pointer-events: none; }

.entrada-conteudo {
  text-align: center;
  padding: 2rem;
  animation: fadeInSlow 2s ease forwards;
}

.entrada-coracao {
  font-size: 52px;
  color: var(--vinho-vivo);
  margin-bottom: 2.5rem;
  display: block;
  animation: pulsar 2.2s ease infinite;
}

.entrada-texto {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--texto-suave);
  margin-bottom: 3rem;
  letter-spacing: 0.5px;
}

.btn-entrar {
  background: transparent;
  border: 1px solid var(--vinho-vivo);
  color: var(--texto);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 5px;
  text-transform: uppercase;
  padding: 16px 52px;
  cursor: pointer;
  transition: all 0.5s ease;
}
.btn-entrar:hover {
  background: var(--vinho-vivo);
  letter-spacing: 7px;
}

.entrada-aviso {
  margin-top: 1.5rem;
  font-family: var(--sans);
  font-size: 10px;
  color: var(--texto-fraco);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* SOM */
.toggle-som {
  position: fixed;
  top: 24px; right: 24px;
  width: 44px; height: 44px;
  background: rgba(13,6,8,0.7);
  border: 1px solid rgba(196,48,74,0.35);
  border-radius: 50%;
  color: var(--texto-suave);
  cursor: pointer;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}
.toggle-som.visivel { display: flex; }
.toggle-som:hover { color: var(--vinho-vivo); border-color: var(--vinho-vivo); }
.toggle-som svg { width: 18px; height: 18px; }

/* CONTEUDO */
.conteudo {
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity 2s ease 0.4s;
}
.conteudo.visivel { opacity: 1; }

.secao {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  position: relative;
}

/* ABERTURA */
.secao-abertura { text-align: center; position: relative; }

.secao-abertura::after {
  content: '';
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(196,48,74,0.18) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  filter: blur(20px);
  animation: brilhoNome 8s ease-in-out infinite;
}

@keyframes brilhoNome {
  0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.abertura-conteudo { max-width: 640px; margin: 0 auto; position: relative; z-index: 1; }

.sussurro {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--texto-fraco);
  letter-spacing: 4px;
  margin-bottom: 1.2rem;
  opacity: 0;
}

.nome {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(52px, 10vw, 100px);
  color: var(--texto);
  line-height: 1;
  margin-bottom: 2rem;
  letter-spacing: -1px;
  opacity: 0;
}

.linha-decorativa {
  width: 0;
  height: 1px;
  background: var(--vinho-vivo);
  margin: 0 auto 2.5rem;
  opacity: 0;
}

.frase-abertura {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(17px, 2.4vw, 22px);
  color: var(--texto-suave);
  line-height: 2;
  margin: 0 auto 3rem;
  opacity: 0;
}

.frase-destaque {
  color: var(--texto);
  font-size: 1.15em;
  display: block;
  margin-top: 0.5rem;
}

.scroll-indicator {
  margin-top: 2rem;
  opacity: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-indicator span {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--texto-fraco);
}
.seta-baixo {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, transparent, var(--vinho-vivo));
  animation: descer 2s ease infinite;
}

/* ANIMAÇÕES DE ENTRADA */
.fade-in-delay-1 { animation: fadeUp 1.5s ease 0.6s forwards; }
.fade-in-delay-2 { animation: fadeUp 1.5s ease 1.3s forwards; }
.fade-in-delay-3 { animation: expandirLinha 1.5s ease 2.1s forwards; }
.fade-in-delay-4 { animation: fadeUp 1.8s ease 2.6s forwards; }
.fade-in-delay-5 { animation: fadeUp 1.5s ease 4s forwards; }

/* REVEAL NO SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1.4s ease, transform 1.4s ease;
}
.reveal.ativo { opacity: 1; transform: translateY(0); }

/* DECORAÇÕES DE SEÇÃO */
.secao::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(196,48,74,0.3));
  pointer-events: none;
}

.secao-abertura::before { display: none; }

.secao-citacao::before,
.secao-final::before {
  height: 80px;
}

/* SEÇÕES DE FOTO */
.secao-foto { padding: 5rem 3rem; }

.secao-foto .foto-wrapper {
  max-width: 780px;
  width: 100%;
  display: flex;
  gap: 4rem;
  align-items: center;
}

.secao-foto.alinhamento-direita .foto-wrapper {
  flex-direction: row-reverse;
}

.moldura {
  flex: 0 0 55%;
  position: relative;
  padding: 10px;
  background: var(--bg-claro);
  border: 1px solid rgba(196,48,74,0.22);
}
.moldura::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(196,48,74,0.12);
  pointer-events: none;
  z-index: 1;
}

.moldura-destaque {
  border-color: rgba(196,48,74,0.5);
}
.moldura-destaque::before {
  border-color: rgba(196,48,74,0.25);
}

.foto {
  width: 100%;
  display: block;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center center;
  filter: brightness(0.93) saturate(0.88);
  transition: filter 0.6s ease;
}

.foto-centralizada {
  object-position: center 20%;
}
.moldura:hover .foto {
  filter: brightness(1) saturate(1);
}

.legenda { flex: 1; padding: 0 0.5rem; }

.legenda-texto {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.7;
  color: var(--texto-suave);
}

.legenda-grande {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--texto);
}

/* CITAÇÃO */
.secao-citacao {
  padding: 7rem 2rem;
  text-align: center;
  min-height: 60vh;
}

.citacao-wrapper {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.aspas {
  font-family: var(--serif);
  font-size: 120px;
  color: var(--vinho-vivo);
  opacity: 0.25;
  line-height: 0.8;
  font-style: italic;
  display: block;
}

.aspas-fim {
  text-align: right;
  margin-top: -40px;
}

.citacao {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(26px, 4.5vw, 42px);
  color: var(--texto);
  line-height: 1.5;
  font-weight: 300;
  margin-top: -60px;
  position: relative;
  z-index: 1;
  padding: 0 2rem;
}

/* PRESENTE */
.secao-presente {
  flex-direction: column;
  text-align: center;
  padding: 6rem 2rem 4rem;
  min-height: auto;
}

.presente-conteudo {
  max-width: 560px;
  width: 100%;
}

.presente-titulo {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(19px, 2.6vw, 26px);
  color: var(--texto-suave);
  line-height: 1.8;
  margin-bottom: 4.5rem;
}

.envelope-container {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.envelope {
  width: 320px;
  cursor: pointer;
  position: absolute;
  transition: all 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  filter: drop-shadow(0 20px 60px rgba(196,48,74,0.15));
}
.envelope.aberto {
  transform: translateY(-30px) scale(0.8);
  opacity: 0;
  pointer-events: none;
}

.envelope-corpo {
  position: relative;
  width: 100%;
  background: linear-gradient(150deg, #5c1a26 0%, #7a1828 50%, #8b1a2e 100%);
  border: 1px solid rgba(196,48,74,0.6);
  padding-bottom: 0;
}

.envelope-aba {
  width: 100%;
  height: 0;
  border-left: 160px solid transparent;
  border-right: 160px solid transparent;
  border-top: 100px solid #4a1320;
  transition: transform 0.8s ease;
  transform-origin: top center;
}
.envelope:hover .envelope-aba {
  transform: rotateX(160deg);
}

.envelope-frente {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 2rem 2.5rem;
  gap: 0.6rem;
}

.selo {
  width: 52px; height: 52px;
  background: var(--vinho-vivo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--texto);
  font-size: 20px;
  border: 2px solid rgba(244,232,232,0.2);
  margin-bottom: 0.4rem;
}

.envelope-nome {
  font-family: var(--script);
  font-size: 40px;
  color: var(--texto);
}

.envelope-clique {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rosa);
  animation: piscar 2s ease infinite;
}

/* CARTÃO */
.cartao {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.2) rotate(-3deg);
  opacity: 0;
  pointer-events: none;
  width: 100%;
  max-width: 480px;
  transition: all 1.3s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.cartao.visivel {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
  pointer-events: auto;
}

.cartao-borda {
  background: linear-gradient(180deg, #1a0e12 0%, #0d0608 100%);
  border: 1px solid rgba(196,48,74,0.7);
  padding: 3rem 2.5rem;
  text-align: center;
  position: relative;
}
.cartao-borda::before,
.cartao-borda::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px;
  height: 1px;
  background: rgba(196,48,74,0.3);
}
.cartao-borda::before { top: 16px; }
.cartao-borda::after { bottom: 16px; }

.cartao-pequeno {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--vinho-vivo);
  margin-bottom: 1rem;
}

.cartao-nome {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 30px;
  color: var(--texto);
  margin-bottom: 1.5rem;
}

.cartao-divisor {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 1rem auto 1.5rem;
  max-width: 180px;
}
.cartao-divisor span { flex: 1; height: 1px; background: rgba(196,48,74,0.4); }
.diamante { color: var(--vinho-vivo); font-size: 10px; }

.cartao-valor-label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--texto-fraco);
  letter-spacing: 2px;
  margin-bottom: 0.4rem;
}

.cartao-valor {
  font-family: var(--serif);
  font-size: 68px;
  font-weight: 500;
  color: var(--texto);
  line-height: 1;
  margin-bottom: 0.8rem;
}
.rs {
  font-size: 24px;
  vertical-align: super;
  color: var(--vinho-vivo);
  margin-right: 6px;
  font-weight: 400;
}

.cartao-uso {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--texto-suave);
  margin-bottom: 2rem;
}

.cartao-mensagem {
  border-top: 1px solid rgba(196,48,74,0.25);
  border-bottom: 1px solid rgba(196,48,74,0.25);
  padding: 1.8rem 0.5rem;
  margin: 0.5rem 0 2rem;
  text-align: left;
}
.cartao-mensagem p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--texto-suave);
  line-height: 1.75;
}
.cartao-mensagem-final {
  color: var(--texto) !important;
  font-size: 17px !important;
  text-align: center;
  margin-top: 0.5rem;
}

.cartao-assinatura {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--texto-fraco);
  line-height: 2.2;
}
.assinatura-nome {
  font-family: var(--script);
  font-size: 30px;
  color: var(--rosa);
}

/* FINAL */
.secao-final {
  flex-direction: column;
  text-align: center;
  min-height: 70vh;
  gap: 1.5rem;
  padding: 5rem 2rem;
}

.final-data {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--texto-fraco);
}

.final-texto {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(26px, 4.5vw, 40px);
  color: var(--texto);
}

.final-coracao {
  font-size: 32px;
  color: var(--vinho-vivo);
  animation: pulsar 2s ease infinite;
}

/* KEYFRAMES */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes expandirLinha {
  from { opacity: 0; width: 0; }
  to { opacity: 1; width: 80px; }
}
@keyframes fadeInSlow {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulsar {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}
@keyframes piscar {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}
@keyframes descer {
  0% { transform: translateY(-8px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* MOBILE */
@media (max-width: 700px) {
  .secao { padding: 4rem 1.5rem; }
  .secao-foto { padding: 4rem 1.5rem; }

  .secao-foto .foto-wrapper,
  .secao-foto.alinhamento-direita .foto-wrapper {
    flex-direction: column;
    gap: 1.8rem;
  }

  .moldura { flex: 1; width: 100%; }
  .legenda { padding: 0; text-align: center; }

  .envelope { width: 280px; }
  .envelope-aba {
    border-left-width: 140px;
    border-right-width: 140px;
    border-top-width: 85px;
  }

  .cartao-borda { padding: 2.5rem 1.5rem; }
  .cartao-nome { font-size: 24px; }
  .cartao-valor { font-size: 54px; }
  .rs { font-size: 20px; }
  .cartao-mensagem p { font-size: 14px; }

  .toggle-som { top: 14px; right: 14px; width: 40px; height: 40px; }
  .citacao { font-size: clamp(22px, 6vw, 32px); }
}