/* ==========================================================================
   Save the Date — estilos
   ========================================================================== */

:root {
  --bordo: #650C18;
  --bordo-dark: #400810;
  --bordo-deep: #2a050b;
  --ivory: #F5EBDD;
  --white: #FFFFFF;
  --gold: #C5A46D;
  --ink: #3a1d17;

  --f-serif: "Cormorant Garamond", "Times New Roman", serif;
  --f-script: "Pinyon Script", "Brush Script MT", cursive;
  --f-sans: "Jost", "Helvetica Neue", Arial, sans-serif;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);

  /* textura de papel (ruído subtil) */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bordo-dark);
  color: var(--ivory);
  font-family: var(--f-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}
body { overflow: hidden; height: 100dvh; overscroll-behavior: none; }

[hidden] { display: none !important; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

/* ==========================================================================
   Botões + microanimações
   ========================================================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .85em 2.2em;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: transparent;
  font-family: var(--f-sans);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ivory);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform .25s var(--ease-out), background-color .3s, color .3s, box-shadow .3s;
}
.btn::after { /* brilho que atravessa o botão */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.28) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .8s var(--ease-out);
}
.btn:hover::after, .btn:focus-visible::after { transform: translateX(120%); }
.btn:active { transform: scale(.95); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.btn--light { background: var(--ivory); color: var(--bordo); border-color: var(--ivory); box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.btn--light:hover { background: var(--white); }
.btn--ghost { color: var(--ivory); }
.btn--ghost:hover { background: rgba(197,164,109,.12); }

/* ripple ao tocar (criado por JS) */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  opacity: .25;
  transform: scale(0);
  pointer-events: none;
  animation: ripple .6s var(--ease-out) forwards;
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

/* ==========================================================================
   Ornamento dourado
   ========================================================================== */
.ornament {
  width: min(220px, 60vw);
  height: 18px;
  margin: 1.1rem auto;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 220 18'%3E%3Cg fill='none' stroke='%23C5A46D' stroke-width='1'%3E%3Cpath d='M0 9h88M132 9h88'/%3E%3Cpath d='M110 2l7 7-7 7-7-7z'/%3E%3Cpath d='M88 9c6-6 11-6 15 0M132 9c-6-6-11-6-15 0'/%3E%3C/g%3E%3Ccircle cx='110' cy='9' r='1.6' fill='%23C5A46D'/%3E%3C/svg%3E")
    center / contain no-repeat;
}
.ornament--flip { transform: scaleY(-1); }

/* ==========================================================================
   1. INTRO — fundo escuro + envelope
   ========================================================================== */
.intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 80% at 50% 40%, #2b0a10 0%, #14050a 55%, #070204 100%);
  transition: opacity 1s var(--ease-in-out), visibility 1s;
}
.intro::before { /* grão */
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  opacity: .25;
  pointer-events: none;
}
.intro.is-gone { opacity: 0; visibility: hidden; }

.intro__stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.4rem;
  padding-top: 18vh; /* espaço para a tira sair por cima */
}

.intro__hint {
  margin: 0;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: rgba(245,235,221,.7);
  animation: hint 2.4s ease-in-out infinite;
  transition: opacity .5s;
}
.is-opening .intro__hint { opacity: 0; animation: none; }
@keyframes hint { 0%,100% { opacity: .45; } 50% { opacity: .95; } }

/* escolher idioma (PT · RO · EN), só antes de abrir o envelope */
.lang {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  right: 16px;
  z-index: 30;
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(197,164,109,.35);
  border-radius: 999px;
  background: rgba(42,5,11,.35);
  transition: opacity .5s;
}
.lang__btn {
  min-width: 42px;
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: rgba(245,235,221,.72);
  font: 500 .7rem/1 var(--f-sans);
  letter-spacing: .18em;
  text-indent: .18em;
  cursor: pointer;
  transition: background .25s, color .25s;
}
.lang__btn[aria-pressed="true"] { background: var(--gold); color: var(--bordo-deep); }
.lang__btn:focus-visible { outline: 1px solid var(--gold); outline-offset: 2px; }
.is-opening .lang { opacity: 0; pointer-events: none; }

/* ---------- Envelope ---------- */
.envelope {
  --w: min(86vw, 400px);
  position: relative;
  display: block;
  width: var(--w);
  aspect-ratio: 1.42;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  perspective: 1400px;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,.55)) drop-shadow(0 6px 10px rgba(0,0,0,.4));
  animation: float 5s ease-in-out infinite;
  transition: transform 1.1s var(--ease-in-out), opacity .9s var(--ease-in-out);
}
.envelope:focus-visible { outline: 2px solid var(--gold); outline-offset: 8px; }
.envelope:active:not(.is-open) { transform: scale(.98); }
@keyframes float { 0%,100% { translate: 0 0; rotate: -.6deg; } 50% { translate: 0 -8px; rotate: .6deg; } }

.is-opening .envelope { animation-play-state: paused; cursor: default; }
.envelope.is-leaving { transform: translateY(70vh) rotate(4deg); opacity: 0; }

.env__back,
.env__pocket,
.env__flap {
  position: absolute;
  inset: 0;
  background-color: var(--bordo);
  background-image: var(--grain), linear-gradient(160deg, #7a1220 0%, var(--bordo) 45%, #520a14 100%);
  background-blend-mode: soft-light, normal;
  border-radius: 6px;
}

/* interior do envelope (forro mais escuro) */
.env__back {
  z-index: 1;
  background-image: var(--grain), linear-gradient(180deg, #2a050b 0%, var(--bordo-dark) 60%);
}

/* frente / bolso com as dobras laterais e inferior */
.env__pocket {
  z-index: 3;
  clip-path: polygon(0 0, 50% 52%, 100% 0, 100% 100%, 0 100%);
}
.env__pocket::before, .env__pocket::after { /* linhas de dobra */
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.env__pocket::before {
  background:
    linear-gradient(to top right, transparent calc(50% - 1px), rgba(0,0,0,.28) 50%, rgba(255,255,255,.06) calc(50% + 1px), transparent calc(50% + 2px)) left bottom / 50.2% 100% no-repeat,
    linear-gradient(to top left, transparent calc(50% - 1px), rgba(0,0,0,.28) 50%, rgba(255,255,255,.06) calc(50% + 1px), transparent calc(50% + 2px)) right bottom / 50.2% 100% no-repeat;
}
.env__pocket::after { /* sombra interior junto à abertura */
  background: linear-gradient(180deg, rgba(0,0,0,.25), transparent 40%);
}

/* fotografia pequena do casal, com o canto tapado pela aba */
.env__photo {
  position: absolute;
  z-index: 4;
  left: 18.5%;
  top: 21%;
  width: 21%;
  aspect-ratio: .8;
  padding: 1.1% 1.1% 3.6%;
  background: #fbf8f3;
  box-shadow: 0 4px 10px rgba(0,0,0,.35);
  transform: translateX(-50%) rotate(-5deg);
  transition: transform .8s var(--ease-out), opacity .6s;
}
.env__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; filter: grayscale(1) contrast(1.05); }
.is-open .env__photo { transform: translate(-50%, 6%) rotate(-9deg); }

/* SAVE the DATE */
.env__text {
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  bottom: 9%;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .32em;
  font-size: calc(var(--w) * .088);
  color: var(--white);
  text-shadow: 0 1px 2px rgba(0,0,0,.35);
  pointer-events: none;
}
.env__word {
  font-family: var(--f-serif);
  font-weight: 500;
  letter-spacing: .08em;
}
.env__the {
  position: relative;
  font-family: var(--f-script);
  font-size: 1.25em;
  line-height: 1;
  padding: 0 .1em;
}
.env__swash {
  position: absolute;
  left: 50%;
  bottom: -.38em;
  width: 2.4em;
  transform: translateX(-50%);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  overflow: visible;
}

/* aba superior */
.env__flap-wrap {
  position: absolute;
  inset: 0;
  z-index: 6;
  transform-origin: 50% 0;
  filter: drop-shadow(0 3px 3px rgba(0,0,0,.35));
  transition: transform .9s var(--ease-in-out);
  pointer-events: none;
}
.env__flap {
  clip-path: polygon(0 0, 100% 0, 50% 58%);
  background-image: var(--grain), linear-gradient(180deg, #841526 0%, var(--bordo) 55%);
}
.is-open .env__flap-wrap { transform: rotateX(180deg); }
.flap-behind .env__flap-wrap { z-index: 1; filter: none; }
.flap-behind .env__flap { background-image: var(--grain), linear-gradient(0deg, #2a050b 0%, var(--bordo-dark) 70%); }

/* ---------- Tira fotográfica ---------- */
.env__strip-clip {
  position: absolute;
  inset: 0;
  z-index: 2;
  clip-path: inset(-600% -60% 4px -60%); /* corta só em baixo */
}

.strip {
  display: block;
  position: absolute;
  left: 31%;
  top: 7%;
  width: 38%;
  container-type: inline-size;
  background: #fdfbf7;
  background-image: var(--grain);
  background-blend-mode: soft-light;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
  will-change: transform;
}
.strip__inner { display: flex; flex-direction: column; gap: 3.5cqw; padding: 6cqw 6cqw 0; }
.strip__photo {
  display: block;
  aspect-ratio: 1 / .82;
  overflow: hidden;
  background: #222;
}
.strip__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 25%;
  /* "por revelar": sobre-exposta */
  filter: grayscale(1) brightness(2.6) contrast(.5);
  opacity: .2;
  transition: filter 1.6s ease-out, opacity 1.2s ease-out;
}
.strip.is-developed .strip__photo img { filter: grayscale(1) contrast(1.08); opacity: 1; }
.strip.is-developed .strip__photo:nth-child(2) img { transition-delay: .45s; }
.strip.is-developed .strip__photo:nth-child(3) img { transition-delay: .9s; }

.strip__foot {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5cqw 0 7cqw;
  color: #1d1d1d;
  line-height: 1.15;
}
.strip__title { font-family: var(--f-serif); font-weight: 600; font-size: 9.5cqw; letter-spacing: .14em; }
.strip__date { font-family: var(--f-serif); font-size: 8cqw; letter-spacing: .1em; margin-top: 1.5cqw; }

/* ---------- Estado final: tira em destaque ---------- */
.intro__final {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 24px 16px;
  pointer-events: none;
}
.intro__final.is-active { pointer-events: auto; }
.intro__final-slot { position: relative; }
.intro__final .strip { position: relative; left: auto; top: auto; transform-origin: 0 0; }
.intro__enter {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.intro__final.show-cta .intro__enter { opacity: 1; transform: none; }
.intro.is-entering .intro__final-slot { transform: translateY(-40px) scale(.96); opacity: 0; transition: transform .9s var(--ease-in-out), opacity .7s; }
.intro.is-entering .intro__enter { opacity: 0; }

/* ==========================================================================
   3. CONVITE — folhas que saem do envelope
   ========================================================================== */
.deck {
  --env-w: min(94vw, 480px);
  --env-h: calc(var(--env-w) * .55);
  --env-off: calc(var(--env-h) * .25);   /* parte do envelope abaixo do ecrã */
  --tuck: calc(var(--env-h) * .36);      /* parte da folha dentro do bolso */
  --safe-b: env(safe-area-inset-bottom, 0px);
  --gold-dark: #8c6a35;

  position: fixed;
  inset: 0;
  overflow: hidden;
  background: radial-gradient(110% 70% at 50% 35%, #7d1424 0%, var(--bordo) 45%, var(--bordo-dark) 100%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s var(--ease-in-out), visibility 1s;
}
.deck::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  opacity: .16;
  pointer-events: none;
}
.deck.is-visible { opacity: 1; visibility: visible; }

/* ---------- Envelope aberto, em baixo ---------- */
.deck__env {
  position: absolute;
  left: 50%;
  bottom: calc(var(--safe-b) - var(--env-off));
  width: var(--env-w);
  height: var(--env-h);
  transform: translate(-50%, 115%);
  transition: transform 1.1s var(--ease-out);
}
.deck.is-ready .deck__env { transform: translate(-50%, 0); }
.deck__env--back { z-index: 1; }
.deck__env--front { z-index: 3; filter: drop-shadow(0 -6px 14px rgba(0,0,0,.35)); pointer-events: none; }
.deck__pocket, .deck__nav { pointer-events: auto; }

.deck__back, .deck__pocket, .deck__flap {
  position: absolute;
  background-color: var(--bordo);
  background-blend-mode: soft-light, normal;
}
.deck__back {
  inset: 0;
  border-radius: 6px;
  background-image: var(--grain), linear-gradient(180deg, #2a050b 0%, var(--bordo-dark) 60%);
  box-shadow: 0 -2px 18px rgba(0,0,0,.4);
}
.deck__flap { /* aba aberta, virada para cima */
  left: 0;
  right: 0;
  bottom: 100%;
  height: 58%;
  clip-path: polygon(0 100%, 100% 100%, 50% 0);
  background-image: var(--grain), linear-gradient(0deg, #2a050b 0%, var(--bordo-dark) 80%);
}
.deck__pocket {
  inset: 0;
  border-radius: 6px;
  clip-path: polygon(0 0, 50% 28%, 100% 0, 100% 100%, 0 100%);
  background-image: var(--grain), linear-gradient(160deg, #7a1220 0%, var(--bordo) 45%, #520a14 100%);
}
.deck__pocket::before { /* dobras */
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top right, transparent calc(50% - 1px), rgba(0,0,0,.28) 50%, rgba(255,255,255,.06) calc(50% + 1px), transparent calc(50% + 2px)) left bottom / 50.2% 100% no-repeat,
    linear-gradient(to top left, transparent calc(50% - 1px), rgba(0,0,0,.28) 50%, rgba(255,255,255,.06) calc(50% + 1px), transparent calc(50% + 2px)) right bottom / 50.2% 100% no-repeat;
}

/* ---------- Navegação no bolso do envelope ---------- */
.deck__nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 33%;
  bottom: calc(25% + 2px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 6%;
}
.deck__arrow {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(197,164,109,.7);
  border-radius: 50%;
  background: rgba(0,0,0,.14);
  color: var(--ivory);
  cursor: pointer;
  transition: transform .25s var(--ease-out), opacity .3s, background-color .3s;
}
.deck__arrow svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.deck__arrow:hover { background: rgba(197,164,109,.18); }
.deck__arrow:active { transform: scale(.9); }
.deck__arrow:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.deck__arrow:disabled { opacity: .25; pointer-events: none; }
.deck__arrow--pulse { animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(197,164,109,.5); } 60% { box-shadow: 0 0 0 10px rgba(197,164,109,0); } }

.deck__info { min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.deck__label {
  margin: 0;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(.9rem, 4vw, 1.05rem);
  line-height: 1.2;
  color: rgba(245,235,221,.88);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  transition: opacity .3s;
}
.deck__label.is-changing { opacity: 0; }
.deck__dots { display: flex; gap: 2px; }
.deck__dot {
  position: relative;
  width: 16px;
  height: 16px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}
.deck__dot::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 3px;
  background: rgba(245,235,221,.4);
  transform: translate(-50%, -50%);
  transition: width .4s var(--ease-out), background-color .4s;
}
.deck__dot[aria-current="true"]::before { width: 16px; background: var(--gold); }

/* ---------- Folhas ---------- */
.deck__sheets {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: max(14px, env(safe-area-inset-top));
  bottom: calc(var(--safe-b) - var(--env-off) + var(--env-h) - var(--tuck));
  width: min(88vw, 440px);
  transform: translateX(-50%);
}

.sheet {
  position: absolute;
  inset: 0;
  border-radius: 3px;
  color: var(--ink);
  background-color: #f5ebdd;
  background-image: var(--grain), radial-gradient(130% 90% at 50% 30%, #fdf7ec 0%, #f5ebdd 60%, #e9d8bb 100%);
  background-blend-mode: soft-light, normal;
  box-shadow: 0 1px 1px rgba(0,0,0,.08), 0 14px 34px rgba(0,0,0,.4);
  transform-origin: 50% 100%;
  /* por defeito: guardada dentro do envelope */
  transform: translateY(calc(100% + 40px));
  visibility: hidden;
  transition: transform .95s cubic-bezier(.3, 1.08, .4, 1), visibility 0s linear .95s;
  will-change: transform;
}
.sheet::after { /* moldura dourada */
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(197,164,109,.6);
  border-radius: 2px;
  pointer-events: none;
}
.sheet.is-current,
.sheet.is-prev,
.sheet.is-prev2,
.sheet.is-past { visibility: visible; transition: transform .95s cubic-bezier(.3, 1.08, .4, 1), visibility 0s; }
.sheet.is-current { transform: none; }
.sheet.is-prev  { transform: translate(-5px, 6px) rotate(-2.2deg) scale(.985); }
.sheet.is-prev2,
.sheet.is-past  { transform: translate(7px, 12px) rotate(2deg) scale(.97); }
.sheet.is-past  { visibility: hidden; transition: transform .95s, visibility 0s linear .95s; }

.sheet__body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 34px 24px calc(var(--tuck) + 26px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.sheet__body::-webkit-scrollbar { display: none; }
.sheet:not(.is-current) .sheet__body { overflow: hidden; }
.sheet__content { width: 100%; margin: auto 0; text-align: center; container-type: inline-size; }

.sheet__title {
  margin: 0;
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(1.35rem, 6.2vw, 1.9rem);
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--bordo);
}
.sheet__lead { max-width: 26rem; margin: 0 auto 1.6rem; font-size: .98rem; color: rgba(58,29,23,.8); }
.sheet__note { margin: 1.6rem 0 0; font-family: var(--f-serif); font-style: italic; font-size: 1.1rem; color: rgba(58,29,23,.75); }

/* seta "há mais em baixo" quando a folha tem scroll */
.sheet__more {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: calc(var(--env-h) * .08 + 8px);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-left: -15px;
  border-radius: 50%;
  background: var(--bordo);
  color: var(--ivory);
  box-shadow: 0 4px 10px rgba(101,12,24,.35);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s, transform .35s;
  pointer-events: none;
}
.sheet__more svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sheet.is-current.has-more .sheet__more { opacity: 1; transform: none; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%,100% { translate: 0 0; } 50% { translate: 0 4px; } }

.btn--small { min-height: 40px; padding: .6em 1.6em; font-size: .7rem; }

.sheet__swipe {
  margin: 1.8rem 0 0;
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(58,29,23,.55);
}
.sheet__swipe::after { content: " →"; display: inline-block; animation: nudge 1.6s ease-in-out infinite; }
@keyframes nudge { 0%,100% { transform: translateX(0); } 50% { transform: translateX(6px); } }

/* entrada do conteúdo quando a folha sai do envelope */
.sheet .reveal { opacity: 0; transform: translateY(16px); }
.sheet .ornament--flip.reveal { transform: translateY(16px) scaleY(-1); }
.sheet.is-revealed .reveal {
  opacity: 1;
  transform: none;
  transition: opacity .9s var(--ease-out) calc(.3s + var(--d, 0s)), transform .9s var(--ease-out) calc(.3s + var(--d, 0s));
}
.sheet.is-revealed .ornament--flip.reveal { transform: scaleY(-1); }

/* botões sobre papel */
.btn--solid { background: var(--bordo); border-color: var(--bordo); color: var(--ivory); box-shadow: 0 8px 20px rgba(101,12,24,.3); }
.btn--solid:hover { background: #7a1220; }
.sheet .btn--ghost { color: var(--bordo); border-color: var(--gold); }
.sheet .btn--ghost:hover { background: rgba(101,12,24,.06); }

/* ---------- Convite (primeira folha) ---------- */
.hero__guest {
  margin: 0 0 1.2rem;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--gold-dark);
}
.hero__kicker {
  margin: 0;
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(.78rem, 3.5vw, 1.15rem);
  letter-spacing: .22em;
  white-space: nowrap;
  text-transform: uppercase;
  color: var(--bordo);
}
.hero__names {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: .2rem 0;
  font-family: var(--f-script);
  font-weight: 400;
  /* cada nome cabe numa linha: --len = letras do nome mais comprido (definido em main.js) */
  font-size: min(4.4rem, 12vw, calc(215cqw / var(--len, 14)));
  line-height: 1.1;
  color: var(--bordo);
  white-space: nowrap;
  text-wrap: balance;
}
.hero__amp { font-size: .7em; color: var(--gold); line-height: 1; margin: .05em 0; }
.hero__date {
  margin: .2rem 0 0;
  font-family: var(--f-serif);
  font-size: clamp(1.4rem, 6.5vw, 1.9rem);
  letter-spacing: .2em;
  color: var(--ink);
}
.hero__date-long {
  margin: .2rem 0 1.8rem;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: rgba(58,29,23,.75);
}

/* ---------- Contagem ---------- */
.countdown {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(2px, 1.5vw, 14px);
  margin-top: 1.2rem;
}
.cd__unit { display: flex; flex-direction: column; align-items: center; min-width: 2.6ch; }
.cd__num {
  display: inline-block;
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 9.4vw, 3.4rem);
  line-height: 1;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--bordo);
}
.cd__num.tick { animation: tick .5s var(--ease-out); }
@keyframes tick { from { opacity: .2; transform: translateY(-30%); } to { opacity: 1; transform: none; } }
.cd__sep { font-family: var(--f-serif); font-size: clamp(1.5rem, 7vw, 2.6rem); line-height: 1.1; color: var(--gold); }
.cd__label {
  margin-top: .5rem;
  font-size: clamp(.52rem, 2.4vw, .7rem);
  font-weight: 400;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(58,29,23,.7);
}
.countdown__done { font-family: var(--f-script); font-size: 2.4rem; margin: 1rem 0 0; color: var(--bordo); }

/* ---------- A nossa história ---------- */
.letter { margin-top: 1rem; text-align: left; }
.letter__hello, .letter__p, .letter__bye, .letter__sign { font-family: var(--f-script); }
.letter__hello { font-size: 1.8rem; margin: 0 0 .5rem; line-height: 1.2; }
.letter__p     { font-size: 1.4rem; line-height: 1.45; margin: 0 0 .8rem; }
.letter__bye   { font-size: 1.45rem; margin: 1.2rem 0 0; text-align: right; }
.letter__sign  { font-size: 2.1rem; margin: 0; text-align: right; color: var(--bordo); line-height: 1.2; }
.letter > * { opacity: 0; transform: translateY(8px); }
.sheet.is-revealed .letter > * {
  opacity: 1;
  transform: none;
  transition: opacity .9s ease-out, transform .9s ease-out;
  transition-delay: calc(.45s + var(--i, 0) * .2s);
}

/* ---------- Onde & quando ---------- */
.places { display: grid; gap: 12px; margin-top: 1rem; }
.place {
  overflow: hidden;
  padding: 0 14px 16px;
  border: 1px solid rgba(197,164,109,.6);
  border-radius: 3px;
  background: rgba(255,255,255,.35);
  box-shadow: 0 6px 16px rgba(80,40,20,.12);
}
.place__photo {
  margin: 0 -14px 10px;
  aspect-ratio: 5 / 2;
  overflow: hidden;
  border-bottom: 1px solid rgba(197,164,109,.6);
}
.place__photo img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.8s var(--ease-out); }
.sheet.is-revealed .place__photo img { transform: scale(1); }
.place__type { margin: 0; font-family: var(--f-script); font-weight: 400; font-size: 1.9rem; line-height: 1.1; color: var(--gold-dark); }
.place__time { margin: 0 0 .3rem; font-family: var(--f-serif); font-size: 1.3rem; letter-spacing: .12em; color: var(--bordo); }
.place__name { margin: 0; font-family: var(--f-serif); font-weight: 600; font-size: 1.1rem; letter-spacing: .1em; text-transform: uppercase; }
.place__addr { margin: .1rem 0 .8rem; font-size: .92rem; color: rgba(58,29,23,.75); }

/* ---------- Galeria ---------- */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 1.2rem; }
.gallery__item {
  position: relative;
  padding: 0;
  border: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #e6d6bd;
  cursor: zoom-in;
  box-shadow: 0 6px 14px rgba(60,30,15,.22);
  opacity: 0;
  transform: translateY(20px) scale(.97);
}
/* número ímpar de fotos: a última ocupa a largura toda */
.gallery__item:last-child:nth-child(odd) { grid-column: 1 / -1; aspect-ratio: 3 / 2; }
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 25%;
  transform: scale(1.12);
  transition: transform 1.6s var(--ease-out);
}
.sheet.is-revealed .gallery__item {
  opacity: 1;
  transform: none;
  transition: opacity .9s var(--ease-out) calc(.35s + var(--d, 0s)), transform .9s var(--ease-out) calc(.35s + var(--d, 0s));
}
.sheet.is-revealed .gallery__item img { transform: scale(1); }
.gallery__item:active img { transform: scale(.97); }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(20,4,8,.94);
  opacity: 0;
  transition: opacity .35s;
}
.lightbox.is-open { opacity: 1; }
.lightbox__img {
  max-width: 100%;
  max-height: 86dvh;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
  transform: scale(.94);
  transition: transform .45s var(--ease-out), opacity .25s;
  touch-action: pan-y;
}
.lightbox.is-open .lightbox__img { transform: scale(1); }
.lightbox__close, .lightbox__nav {
  position: absolute;
  width: 48px;
  height: 48px;
  border: 0;
  background: none;
  color: var(--ivory);
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox__close { top: max(10px, env(safe-area-inset-top)); right: 10px; }
.lightbox__nav { top: 50%; transform: translateY(-50%); font-size: 2.8rem; }
.lightbox__nav--prev { left: 4px; }
.lightbox__nav--next { right: 4px; }

/* ---------- Perguntas frequentes ---------- */
.faq { margin-top: 1rem; text-align: left; }
.faq__item { border-bottom: 1px solid rgba(197,164,109,.5); }
.faq__item:first-child { border-top: 1px solid rgba(197,164,109,.5); }
.faq__q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 54px;
  padding: 14px 2px;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--f-serif);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink);
  cursor: pointer;
}
.faq__icon { position: relative; flex: none; width: 13px; height: 13px; }
.faq__icon::before, .faq__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gold-dark);
  transition: transform .4s var(--ease-out);
}
.faq__icon::after { transform: rotate(90deg); }
.faq__item.is-open .faq__icon::after { transform: rotate(0); }
.faq__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--ease-out); }
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p {
  margin: 0;
  padding: 0 2px 18px;
  color: rgba(58,29,23,.82);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .4s, transform .4s;
}
.faq__item.is-open .faq__a p { opacity: 1; transform: none; transition-delay: .1s; }

/* ---------- Confirmação (RSVP) ---------- */
.rsvp { display: grid; gap: 18px; text-align: left; }
.field { display: grid; gap: 4px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field__label {
  padding: 0;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-dark);
}
.field input[type="text"], .field select, .field textarea {
  width: 100%;
  padding: 10px 2px;
  border: 0;
  border-bottom: 1px solid rgba(58,29,23,.3);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--f-serif);
  font-size: 1.15rem; /* ≥16px evita zoom no iPhone */
  transition: border-color .3s;
  -webkit-appearance: none;
  appearance: none;
}
.field select {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238c6a35' stroke-width='1.3'/%3E%3C/svg%3E") right 4px center / 12px no-repeat;
}
.field textarea { resize: vertical; min-height: 76px; }
.field ::placeholder { color: rgba(58,29,23,.4); font-style: italic; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--bordo); }
.field.is-invalid input, .field.is-invalid .choice span { border-color: #b3303d; }

.choice { display: grid; gap: 8px; margin-top: 6px; }
.choice label { position: relative; display: block; cursor: pointer; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid rgba(101,12,24,.35);
  border-radius: 999px;
  font-family: var(--f-serif);
  font-size: 1.1rem;
  text-align: center;
  color: var(--ink);
  transition: background-color .3s, color .3s, border-color .3s, transform .2s var(--ease-out);
}
.choice label:active span { transform: scale(.96); }
.choice input:checked + span { background: var(--bordo); color: var(--ivory); border-color: var(--bordo); }
.choice input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 2px; }

.rsvp__attending { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .5s var(--ease-out), opacity .4s; }
.rsvp__attending-inner { display: grid; gap: 18px; min-height: 0; overflow: hidden; }
.rsvp__attending.is-hidden { grid-template-rows: 0fr; opacity: 0; margin-bottom: -18px; }

.field__hint { font-size: .78rem; font-style: italic; color: rgba(58,29,23,.55); }
.rsvp__people { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.rsvp__ages-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-top: 4px; }
.rsvp__age { gap: 0; }
.rsvp__ages.is-invalid select:invalid,
.rsvp__ages.is-invalid select { border-bottom-color: #b3303d; }

.rsvp__error { margin: 0; color: #a3222f; font-size: .95rem; }
.rsvp__submit { justify-self: center; margin-top: 6px; min-width: 230px; }
.rsvp__submit.is-loading { pointer-events: none; }
.rsvp__submit.is-loading span { opacity: 0; }
.rsvp__submit.is-loading::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.rsvp-done { animation: doneIn .9s var(--ease-out); }
.rsvp-done__script { margin: 0; font-family: var(--f-script); font-size: 3.4rem; line-height: 1.1; color: var(--bordo); }
.rsvp-done__text { margin: .6rem 0 1.6rem; font-family: var(--f-serif); font-size: 1.2rem; }
.rsvp-done__wa { display: grid; justify-items: center; gap: 10px; margin-bottom: 1.4rem; }
@keyframes doneIn { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: none; } }

.sheet__footer { margin-top: 2.4rem; }
.footer__names { margin: 0; font-family: var(--f-script); font-size: clamp(1.8rem, 8vw, 2.4rem); line-height: 1.25; color: var(--bordo); text-wrap: balance; }
.footer__date { margin: .2rem 0 1.4rem; font-family: var(--f-serif); letter-spacing: .2em; }

/* ==========================================================================
   Movimento reduzido
   ========================================================================== */
/* puxar para baixo para recarregar */
.ptr {
  --pull: 0;
  position: fixed;
  top: env(safe-area-inset-top, 0px);
  left: 50%;
  z-index: 200;
  width: 42px;
  height: 42px;
  margin-left: -21px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ivory);
  color: var(--bordo);
  box-shadow: 0 6px 18px rgba(0,0,0,.35);
  opacity: 0;
  transform: translateY(-56px);
  transition: transform .3s var(--ease-out), opacity .3s;
  pointer-events: none;
}
.ptr svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ptr.is-pulling {
  transition: none;
  opacity: calc(var(--pull) / 70);
  transform: translateY(calc(var(--pull) * 1px - 30px));
}
.ptr.is-pulling svg { transform: rotate(calc(var(--pull) * 4deg)); }
.ptr.is-ready { background: var(--gold); color: var(--bordo-deep); }
.ptr.is-loading { opacity: 1; transform: translateY(44px); background: var(--gold); color: var(--bordo-deep); }
.ptr.is-loading svg { animation: ptrSpin .8s linear infinite; }
@keyframes ptrSpin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .sheet { transition-duration: .01ms !important; }
  .reveal, .letter > *, .gallery__item { opacity: 1 !important; transform: none !important; filter: none !important; }
}