/* Carmélia & Luiz — mensagem de agradecimento. Fundo claro quente, serifa do sistema (nenhuma fonte baixada). */
:root {
  --papel: #f7f0e6;
  --papel-2: #efe4d4;
  --tinta: #3b2f28;
  --tinta-suave: #7a6a5e;
  --terracota: #b4583c;
  --ouro-1: #e6cf9f;
  --ouro-2: #c9a064;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --suave: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--papel);
  color: var(--tinta);
  font: 400 19px/1.7 var(--serif);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.amp { font-style: italic; color: var(--terracota); }

/* ========== ABERTURA: raspar para revelar ========== */
.abertura {
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: max(36px, env(safe-area-inset-top)) 22px 36px; text-align: center;
  background: radial-gradient(110% 70% at 50% 20%, #fcf8f2 0%, var(--papel) 65%);
}
.ab-kicker {
  font: 500 12px/1 var(--sans); letter-spacing: .32em; text-transform: uppercase;
  color: var(--tinta-suave); padding-left: .32em;
  opacity: 0; animation: sobe .9s var(--suave) .2s forwards;
}
.ab-titulo {
  margin: 12px 0 30px; font-weight: 400; font-size: clamp(40px, 11vw, 84px); line-height: 1.02; letter-spacing: -.01em;
  opacity: 0; animation: sobe 1s var(--suave) .45s forwards;
}
.cartao {
  position: relative; width: min(86vw, 380px); aspect-ratio: 8 / 5; border-radius: 18px; overflow: hidden;
  background: linear-gradient(160deg, #fffdf9 0%, #fbf3e7 100%);
  box-shadow: 0 22px 44px -24px rgba(59, 47, 40, .55), 0 0 0 1px rgba(180, 88, 60, .12) inset;
  animation: surge 1s var(--suave) .8s both; /* 'both' e sem opacity:0 na base: trocar de animacao nao esconde o cartao */
}
.cartao-conteudo {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 22px 26px;
}
.cartao-orn { color: var(--terracota); font-size: 18px; }
.cartao-msg { font-size: clamp(19px, 5.2vw, 23px); line-height: 1.4; }
.cartao-msg em { color: var(--terracota); }
.raspadinha {
  position: absolute; inset: 0; width: 100%; height: 100%;
  touch-action: none; cursor: grab; transition: opacity 1s ease;
}
.raspadinha.limpo { opacity: 0; pointer-events: none; }
.cartao.revelado { animation: pulso 1.4s var(--suave) 1; }
.cartao.revelado .cartao-orn { animation: gira 1.6s var(--suave) 1; }

.ab-dica {
  margin-top: 22px; font: 400 15px/1.4 var(--serif); font-style: italic; color: var(--tinta-suave);
  opacity: 0; animation: sobe .9s var(--suave) 1.3s forwards;
}
.ab-alt {
  margin-top: 6px; font: 400 12px/1 var(--sans); letter-spacing: .08em; color: var(--tinta-suave);
  text-decoration: underline; text-underline-offset: 3px; opacity: 0; animation: sobe .9s var(--suave) 1.6s forwards;
  padding: 10px;
}
.ab-seguir {
  margin-top: 26px; display: none; flex-direction: column; align-items: center; gap: 2px;
  font: 500 12px/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--terracota);
  text-decoration: none; padding: 10px 16px;
}
.ab-seguir svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; animation: bob 2.2s ease-in-out infinite; }
.aberta .ab-dica, .aberta .ab-alt { display: none; }
.aberta .ab-seguir { display: flex; animation: sobe .9s var(--suave) both; }

/* conteúdo fica guardado até revelar (sem JS, tudo aparece) */
.fechado main { display: none; }
.sem-js .fechado main, .sem-js main { display: block; }
.sem-js .raspadinha, .sem-js .ab-dica, .sem-js .ab-alt { display: none; }

/* ========== CARTA ========== */
main { position: relative; }
.carta { max-width: 640px; margin: 0 auto; padding: 24px 24px 40px; }
.carta > p { margin: 0 0 1.25em; font-size: clamp(19px, 4.9vw, 21px); }
.saudacao { font-style: italic; font-size: clamp(26px, 7vw, 34px) !important; color: var(--terracota); margin-top: 1.2em !important; }
.destaque {
  font-style: italic; font-size: clamp(23px, 6.4vw, 30px) !important; line-height: 1.35;
  text-align: center; margin: 1.6em 0 !important; padding: 0 6px;
}
.destaque::before, .destaque::after { content: "✦"; display: block; font-size: 12px; font-style: normal; color: var(--terracota); opacity: .7; }
.destaque::before { margin-bottom: 14px; }
.destaque::after { margin-top: 14px; }
.final { font-style: italic; }

.arco {
  width: min(78vw, 340px); margin: 8px auto 0; aspect-ratio: 4 / 5; overflow: hidden;
  border-radius: 999px 999px 18px 18px; box-shadow: 0 18px 40px -22px rgba(59, 47, 40, .45);
}
.arco img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; transform: scale(1.08); transition: transform 2.4s var(--suave); }
.arco.visivel img { transform: scale(1); }

.titulo-secao {
  font-weight: 400; font-style: italic; font-size: clamp(24px, 6.4vw, 32px); line-height: 1.2;
  text-align: center; margin: 2.2em 0 22px;
}
.titulo-secao::after { content: ""; display: block; width: 34px; height: 2px; margin: 12px auto 0; background: var(--terracota); border-radius: 2px; }

/* mosaico curto: 1 grande + 2 */
.mosaico { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; gap: 10px; margin-bottom: 2.4em; }
.mosaico figure { overflow: hidden; border-radius: 12px; background: var(--papel-2); }
.m-a { grid-row: span 2; }
.mosaico img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: auto; transition: transform .8s var(--suave); }
.m-b img, .m-c img { aspect-ratio: 1; }
@media (hover: hover) { .mosaico figure:hover img { transform: scale(1.05); } }

/* polaroids com inclinação ao toque/mouse */
.polaroid {
  margin: 0 auto 10px; background: #fffdf9; padding: 10px 10px 34px; border-radius: 4px;
  box-shadow: 0 16px 32px -16px rgba(59, 47, 40, .5);
  transform: perspective(700px) rotate(var(--r, -2deg)) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .5s var(--suave), box-shadow .5s var(--suave);
}
.polaroid img { width: 100%; object-fit: cover; }
.p-grande { max-width: 480px; --r: -1.4deg; }
.p-grande img { aspect-ratio: 1; }
.p-media { width: 66%; max-width: 310px; --r: 2deg; }
.p-media img { aspect-ratio: 3 / 4; }
.polaroid.tocado { box-shadow: 0 26px 40px -18px rgba(59, 47, 40, .55); }
.nota { text-align: center; font-style: italic; font-size: 14px !important; color: var(--tinta-suave); margin-top: 14px !important; }
.os-dois, .eu-luiz { margin-bottom: 2.4em; }

.g-abrir { display: block; width: 100%; height: 100%; }
.g-abrir:focus-visible { outline: 3px solid var(--terracota); outline-offset: 3px; }

/* ========== ASSINATURA ========== */
.assinatura { text-align: center; padding: 30px 0 10px; }
.ass-linha { font-style: italic; color: var(--tinta-suave); }
.ass-nome { font-size: clamp(40px, 11vw, 58px); font-style: italic; color: var(--terracota); line-height: 1.15; margin-top: 4px; }
.ass-nome span { display: inline-block; clip-path: inset(0 100% 0 0); }
.ass-traco { display: block; width: 180px; margin: 2px auto 0; fill: none; stroke: var(--terracota); stroke-width: 1.6; stroke-linecap: round; stroke-dasharray: 240; stroke-dashoffset: 240; opacity: .7; }
.assinatura.visivel .ass-nome span { animation: escreve 1.8s cubic-bezier(.5, 0, .3, 1) .3s forwards; }
.assinatura.visivel .ass-traco { animation: traca 1.2s ease-out 1.9s forwards; }

/* ========== ENCERRAMENTO ========== */
.encerramento {
  min-height: 70svh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  padding: 60px 24px calc(60px + env(safe-area-inset-bottom));
  background: radial-gradient(80% 60% at 50% 50%, #fbf3e7 0%, var(--papel) 70%);
}
.enc-orn { color: var(--terracota); font-size: 20px; opacity: 0; }
.enc-nomes { font-size: clamp(32px, 9vw, 52px); margin-top: 10px; opacity: 0; }
.enc-sub { font-style: italic; color: var(--tinta-suave); margin-top: 6px; opacity: 0; }
.enc-rever { margin-top: 34px; font: 500 12px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--tinta-suave);
  padding: 14px 20px; border: 1px solid rgba(122, 106, 94, .35); border-radius: 999px; opacity: 0; }
.encerramento.visivel .enc-orn { animation: gira 1.8s var(--suave) forwards, aparece 1s ease forwards; }
.encerramento.visivel .enc-nomes { animation: sobe 1.1s var(--suave) .5s forwards; }
.encerramento.visivel .enc-sub { animation: sobe 1.1s var(--suave) 1s forwards; }
.encerramento.visivel .enc-rever { animation: sobe 1.1s var(--suave) 1.8s forwards; }

/* fio de leitura (progresso) */
.fio { position: fixed; left: 0; top: 0; bottom: 0; width: 3px; z-index: 5; pointer-events: none; }
.fio span { display: block; width: 100%; height: 100%; background: linear-gradient(var(--terracota), rgba(180, 88, 60, .2)); transform-origin: top; transform: scaleY(0); opacity: .55; }

/* ========== entradas ao rolar ========== */
.revela { opacity: 0; transform: translateY(22px); transition: opacity 1s var(--suave), transform 1s var(--suave); }
.revela.visivel { opacity: 1; transform: none; }
.revela-foto { opacity: 0; clip-path: inset(12% 6% 12% 6% round 14px); transition: opacity 1.1s var(--suave), clip-path 1.3s var(--suave); }
.revela-foto.visivel { opacity: 1; clip-path: inset(0 0 0 0 round 0); }
.arco.revela-foto.visivel { clip-path: none; }
.sem-js .revela, .sem-js .revela-foto { opacity: 1; transform: none; clip-path: none; }

/* ========== lightbox ========== */
.lightbox { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100svh; margin: 0; }
.lightbox::backdrop { background: rgba(30, 22, 18, .9); }
.lightbox[open] { display: grid; place-items: center; animation: aparece .3s ease; }
.lightbox img { max-width: 94vw; max-height: 86svh; width: auto; height: auto; border-radius: 6px; }
.lb-fechar { position: fixed; top: max(12px, env(safe-area-inset-top)); right: 12px; width: 44px; height: 44px;
  border-radius: 50%; background: rgba(247, 240, 230, .15); color: #fff; font: 300 30px/1 var(--sans); }

/* ========== animações ========== */
@keyframes sobe { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes surge { from { opacity: 0; transform: translateY(18px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes aparece { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulso { 0% { transform: scale(1); } 35% { transform: scale(1.035); box-shadow: 0 30px 60px -24px rgba(180, 88, 60, .55); } 100% { transform: scale(1); } }
@keyframes gira { from { transform: rotate(-90deg) scale(.4); } to { transform: none; } }
@keyframes bob { 50% { transform: translateY(5px); } }
@keyframes escreve { to { clip-path: inset(0 0 0 0); } }
@keyframes traca { to { stroke-dashoffset: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; }
  .revela, .revela-foto { opacity: 1; transform: none; clip-path: none; }
  .ass-nome span { clip-path: none; }
  .ass-traco { stroke-dashoffset: 0; }
}

@media (min-width: 900px) {
  .carta { padding-top: 40px; }
  .fio { width: 4px; }
}
@media (orientation: landscape) and (max-height: 520px) {
  .abertura { padding-top: 22px; }
  .ab-titulo { margin: 6px 0 14px; font-size: 38px; }
  .cartao { width: min(56vw, 340px); }
}