/* ============================================================
   Thiệp cưới Đình Kiên & Phương Nhi
   Theme: wine weave background + cream cards + roses + gold seals
   ============================================================ */

:root {
  --wine-950: #1f0406;
  --wine-900: #2a0709;
  --wine-800: #360909;
  --wine-700: #4d0f1a;
  --wine-600: #6b1424;
  --wine-500: #8e1b2c;
  --cream: #f4ebe1;
  --cream-2: #e8d9ca;
  --ink: #4a1a1f;
  --ink-soft: #7a5a55;
  --text-light: #efe2d6;
  --text-dim: rgba(239, 226, 214, .78);
  --gold: #c9a15a;
  --line-light: rgba(239, 226, 214, .45);

  --script: "Great Vibes", "Brush Script MT", cursive;
  --sans: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --serif: "Cormorant Garamond", Georgia, serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --col: 460px;

  /* Preserve the supplied pattern at its natural proportions behind the full invitation. */
  --bg-image: url("../assets/images/bg-pattern-1179x1977.png");
  --bg-size: cover;
  --bg-repeat: no-repeat;
  --bg-position: center;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

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

body {
  margin: 0;
  min-height: 100svh;
  background-color: var(--wine-800);
  color: var(--text-light);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.7;
  font-variant-numeric: lining-nums;   /* Cormorant defaults to old-style figures */
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

img { max-width: 100%; display: block; }
p { margin: 0; }
a { color: inherit; }

.script { font-family: var(--script); font-weight: 400; }
.caps {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
}

/* The KN monogram is a PNG mask so it can be recoloured anywhere */
.mono-mask {
  display: block;
  background: currentColor;
  -webkit-mask: url("../assets/images/monogram-kn.png") center / contain no-repeat;
          mask: url("../assets/images/monogram-kn.png") center / contain no-repeat;
}
.seal-mono {
  position: absolute;
  inset: 31%;
  color: #7a5418;
  filter: drop-shadow(0 1px 0 rgba(255, 240, 200, .6));
}

/* ============================================================
   RED-WINE ENVELOPE — original artwork separated into physical flaps
   ============================================================ */
.env-screen {
  will-change: opacity;
  position: fixed;
  inset: 0;
  inline-size: 100%;
  /* Safari fallback cascade: older iOS → stable viewport → dynamic viewport. */
  block-size: 100vh;
  block-size: -webkit-fill-available;
  block-size: 100svh;
  block-size: 100dvh;
  z-index: 100;
  display: grid;
  place-items: center;
  overflow: hidden;
  background-color: #53080f;
  background-image: var(--bg-image);
  background-size: var(--bg-size);
  background-repeat: var(--bg-repeat);
  background-position: var(--bg-position);
  transition: opacity 920ms var(--ease), visibility 0s linear 920ms;
}
.env-screen.is-revealing {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.env-content {
  position: relative;
  z-index: 1;
}
.env-content,
.env-open,
.env-envelope {
  inline-size: 100%;
  block-size: 100%;
}
.env-open {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  perspective: 1200px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.env-open:disabled { cursor: default; }
.env-open:focus-visible { outline: 2px solid var(--gold); outline-offset: -12px; }
.env-envelope {
  --env-kicker-top: 16%;
  --env-names-top: 22%;
  --env-prompt-top: 68%;
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
  animation: envelope-entrance 720ms var(--ease) 620ms both;
  will-change: transform, opacity, filter;
}
@keyframes envelope-entrance {
  from {
    opacity: 0;
    filter: blur(3px);
    transform: translateY(30px) scale(.935);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
  }
}
.env-interior {
  position: absolute;
  inset: 8% 7% 9%;
  z-index: 0;
  display: block;
  border: 1px solid rgba(236, 195, 127, .28);
  border-radius: 4px;
  background:
    linear-gradient(145deg, rgba(116, 26, 34, .22), transparent 46%),
    var(--bg-image);
  background-size: cover;
  background-position: center;
  box-shadow: inset 0 0 0 1px rgba(255, 235, 196, .11), 0 10px 20px rgba(10, 0, 3, .3);
  opacity: 0;
  transform: translateY(18px) scale(.985);
  transition: opacity 480ms ease, transform 720ms var(--ease);
}
.env-base,
.env-flap {
  position: absolute;
  inset: 0;
  display: block;
  inline-size: 100%;
  block-size: 100%;
  max-inline-size: none;
  object-fit: cover;
  object-position: center;
  user-select: none;
  -webkit-user-drag: none;
}
.env-base {
  z-index: 1;
  opacity: 1;
  transition: opacity 300ms ease;
}
.env-flap {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}
/* The upper pentagon includes the burgundy lace and its original wax seal. */
.env-flap--top {
  z-index: 3;
  clip-path: polygon(0 0, 100% 0, 100% 37%, 50% 70%, 0 37%);
  transform: translateZ(3px) rotateX(0deg);
  transform-origin: 50% 0;
  transition: transform 560ms cubic-bezier(.32, .02, .2, 1);
}
/* The lower panel shares the same V-fold and opens only after the upper flap. */
.env-flap--bottom {
  z-index: 2;
  clip-path: polygon(0 37%, 50% 70%, 100% 37%, 100% 100%, 0 100%);
  transform: translateZ(2px) rotateX(0deg);
  transform-origin: 50% 100%;
  transition: transform 820ms cubic-bezier(.35, .02, .2, 1);
}

/* The supplied title remains unchanged in the closed state and clears before the folds move. */
.env-letter,
.env-letter-names,
.env-letter-prompt {
  position: absolute;
  z-index: 10;
  inset-inline-start: 50%;
  inline-size: max-content;
  max-inline-size: calc(100% - 32px);
  color: #f8ead8;
  text-align: center;
  white-space: nowrap;
  pointer-events: none;
  text-shadow: 0 2px 12px rgba(35, 0, 6, .55);
  transform: translateX(-50%);
  transition: opacity 320ms ease, transform 420ms var(--ease);
}
.env-letter { inset-block-start: var(--env-kicker-top); }
.env-letter-kicker {
  font-family: var(--serif);
  font-size: clamp(18px, 4.9vw, 25px);
  font-weight: 500;
  letter-spacing: .075em;
  line-height: 1.15;
  animation: envelope-letter-in 1.2s var(--ease) .25s both;
}
.env-letter-names {
  inset-block-start: var(--env-names-top);
  margin: 0;
  font-family: var(--script);
  font-size: clamp(54px, 15vw, 72px);
  font-weight: 400;
  letter-spacing: .015em;
  line-height: .95;
  animation: envelope-letter-in 1.55s var(--ease) .6s both;
}
.env-letter-prompt {
  inset-block-start: var(--env-prompt-top);
  font-family: var(--serif);
  font-size: clamp(15px, 4.1vw, 21px);
  font-weight: 500;
  letter-spacing: .1em;
  line-height: 1.2;
  text-transform: uppercase;
  animation: envelope-letter-in 1.1s var(--ease) 2s both, envelope-prompt-glow 3.3s ease-in-out 3.3s infinite;
}
@keyframes envelope-letter-in {
  from { opacity: 0; filter: blur(5px); transform: translate(-50%, 15px); }
  to { opacity: 1; filter: blur(0); transform: translate(-50%, 0); }
}
@keyframes envelope-prompt-glow {
  0%, 100% { opacity: .72; }
  50% { opacity: 1; }
}

/* 1. The upper flap and its wax seal lift slowly as one physical piece. */
.env-screen.is-seal-lifting .env-base { opacity: 0; }
.env-screen.is-seal-lifting .env-flap--top { transform: translate3d(0, -12px, 20px) rotateX(-7deg) scale(1.004); }
.env-screen.is-seal-lifting .env-letter,
.env-screen.is-seal-lifting .env-letter-names,
.env-screen.is-seal-lifting .env-letter-prompt {
  opacity: 0;
  transform: translate(-50%, -10px);
}
/* 2. The lace-bearing upper flap swings open around its top edge. */
.env-screen.is-top-opening .env-interior {
  opacity: 1;
  transform: none;
}
.env-screen.is-top-opening .env-flap--top {
  transition-duration: 1060ms;
  transform: translateZ(3px) rotateX(-168deg);
}
/* 3. Only after the upper flap clears does the lower panel fold away. */
.env-screen.is-bottom-opening .env-flap--bottom { transform: translate3d(0, 8px, 2px) rotateX(168deg); }

/* A warm champagne light passes over the revealed invitation without altering its artwork. */
.env-reveal-light {
  position: absolute;
  inset: -22%;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(ellipse at 50% 55%, rgba(255, 250, 224, .96) 0 3%, rgba(255, 221, 157, .64) 16%, rgba(238, 174, 91, .2) 35%, transparent 61%),
    linear-gradient(115deg, transparent 35%, rgba(255, 239, 203, .28) 50%, transparent 65%);
  filter: blur(8px);
  mix-blend-mode: screen;
  transform: scale(.78);
}
@keyframes envelope-reveal-light {
  0% { opacity: 0; transform: scale(.78); }
  22% { opacity: .92; transform: scale(.94); }
  58% { opacity: .5; transform: scale(1.06); }
  100% { opacity: 0; transform: scale(1.16); }
}
.env-screen.is-revealing .env-reveal-light { animation: envelope-reveal-light 920ms var(--ease) both; }

/* On landscape phones, preserve the complete portrait artwork without distortion. */
@media (orientation: landscape) {
  .env-base, .env-flap { object-fit: contain; }
}

/* ============================================================
   MAIN COLUMN
   ============================================================ */
.site {
  position: relative;
  z-index: 0;
  isolation: isolate;
}
.site::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: var(--bg-image);
  background-size: var(--bg-size);
  background-repeat: var(--bg-repeat);
  background-position: var(--bg-position);
}
.invite {
  position: relative;
  max-width: var(--col);
  margin: 0 auto;
  overflow-x: clip;
  background: transparent;
  padding-bottom: env(safe-area-inset-bottom);
}

.sec {
  position: relative;
  padding: 56px 26px;
  text-align: center;
}

.sec-title {
  font-size: clamp(40px, 11vw, 48px);
  line-height: 1.2;
  color: var(--text-light);
  margin: 0 0 18px;
}
.sec-text {
  color: var(--text-dim);
  max-width: 320px;
  margin: 0 auto;
}

/* ---- reveal ---- */
.reveal {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  transition: opacity 1.2s cubic-bezier(.22, .61, .36, 1), transform 1.4s cubic-bezier(.22, .61, .36, 1);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; will-change: auto; }
/* hero: title first, ornament a beat later */
.hero-title.reveal { transition-delay: .05s; }
.orn.reveal { transition-delay: .35s; }

/* ---- FLOWERS (supplied rose cluster) ---- */
.flowers {
  pointer-events: none;
  height: auto;
  filter: drop-shadow(0 10px 16px rgba(10, 0, 3, .5));
}
.flowers--hero { width: min(70%, 270px); margin: 22px auto 14px; }
.flowers--bouquet { width: min(72%, 280px); margin: 26px auto 0; }

/* small clusters tucked over card corners */
.flowers--arch,
.flowers--corner-tl,
.flowers--corner-tr {
  position: absolute;
  z-index: 3;
  width: 118px;
}
.flowers--arch { top: -46px; right: -30px; width: 104px; transform: rotate(18deg); }
.flowers--corner-tl { top: -40px; left: -30px; transform: rotate(-24deg); }
.flowers--corner-tr { top: -40px; right: -30px; transform: scaleX(-1) rotate(-24deg); }

/* ---- HERO ---- */
.sec-hero { padding-top: calc(56px + env(safe-area-inset-top)); padding-bottom: 30px; }
.hero-title { margin: 0; display: inline-flex; flex-direction: column; align-items: center; }
.hero-title .script {
  font-size: clamp(70px, 21vw, 92px);
  line-height: 1.02;
  color: var(--text-light);
}
.hero-title .caps {
  margin-top: 4px;
  align-self: flex-end;
  margin-right: 6px;
  font-size: 14px;
  letter-spacing: .3em;
  color: var(--text-dim);
}
.orn {
  display: block;
  width: calc(100% + 30px);          /* kéo dài gần sát mép thiệp */
  max-width: none;
  height: auto;
  margin: 26px -15px 0;
}

.hero-cover {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  border-radius: 4px;
  box-shadow: 0 16px 40px rgba(10, 0, 3, .5);
}

.couple {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  margin: 0;
}
.couple .script {
  font-size: clamp(46px, 13vw, 58px);
  color: var(--text-light);
}
.couple .amp { font-size: clamp(30px, 8vw, 36px); color: var(--gold); margin: -4px 0; }
.hero-date { margin-top: 18px; color: var(--text-dim); }

/* ---- CREAM CARDS ---- */
.cream-card,
.arch-card {
  position: relative;
  z-index: 1;
  background:
    radial-gradient(130% 90% at 50% 20%, #f8f1e8 0%, var(--cream) 55%, #eadccd 100%);
  color: var(--ink);
  padding: 46px 26px 40px;
  box-shadow: 0 16px 40px rgba(10, 0, 3, .45);
}
.cream-card::before,
.arch-card::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(160, 120, 85, .45);
  pointer-events: none;
}
.cream-card { border-radius: 4px; }
.cream-card::before { border-radius: 2px; }

.arch-card {
  border-radius: 50% 50% 8px 8px / 96px 96px 8px 8px;
  padding-top: 62px;
  padding-bottom: 78px;            /* the drape sweeps over this area */
}
.arch-card::before { border-radius: 50% 50% 4px 4px / 88px 88px 4px 4px; }

.card-title {
  font-size: clamp(36px, 10vw, 42px);
  line-height: 1.2;
  color: var(--wine-600);
  margin: 0 0 14px;
  white-space: pre-line;
}
.card-text { max-width: 300px; margin: 0 auto; color: var(--ink); }

.muted { color: var(--ink-soft); font-size: 13px; }
.strong { font-weight: 600; font-size: 14px; margin-top: 2px; text-wrap: balance; }
.small { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.gap { margin-top: 18px; }

.venue-name { font-size: 40px; line-height: 1.15; color: var(--wine-600); }

/* ---- COUPLE PROFILES ---- */
.sec-couple { padding-top: 22px; padding-bottom: 10px; }
.sec-couple .sec-title {
  white-space: nowrap;                 /* câu tiêu đề nằm gọn trên một dòng */
  font-size: clamp(28px, 8.6vw, 40px);
  margin-bottom: 26px;
}
.sec-cover { padding-top: 40px; }

/* ---- MOMENTS: ba ảnh khung polaroid xếp nghiêng ---- */
.sec-moments { padding: 34px 12px 17px; }
.polaroids { position: relative; aspect-ratio: 1.46; }
.pl {
  position: absolute;
  margin: 0;
  padding: 6px;
  background: #f8f2e9;
  border-radius: 3px;
  box-shadow: 0 10px 24px rgba(10, 0, 3, .5);
}
.pl img { display: block; width: 100%; height: auto; border-radius: 1px; }
.pl-l { left: 0; top: 10%; width: 38%; transform: rotate(-6deg); z-index: 1; }
.pl-r { right: 0; top: 19%; width: 38%; transform: rotate(6deg); z-index: 2; }
.pl-m { left: 31%; top: 0; width: 38%; transform: rotate(1.5deg); z-index: 3; }

/* ---- STORY: ảnh ghép + lời tình ---- */
.sec-story { padding: 38px 10px 18px; }
.story-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 14px;
  align-items: center;
}
.story-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.sp {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(10, 0, 3, .4);
}
.sp-a, .sp-b { aspect-ratio: 3 / 4.3; }
.sp-c { grid-column: 1 / -1; aspect-ratio: 4 / 3; }
.story-text { text-align: center; }
.story-mark { display: block; width: 100%; max-width: 128px; height: auto; margin: 0 auto 6px; }
.story-text p {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(13.5px, 3.9vw, 17px);
  line-height: 1.6;
  color: #f6eee3;
  text-wrap: pretty;
}
.people-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
}
.person-card {
  position: relative;
  min-width: 0;
  padding: 0 0 26px;
  overflow: hidden;
  border-radius: 4px;
  background: linear-gradient(180deg, #4a1019 0%, #36090f 100%);   /* đỏ rượu trầm, liền với ảnh */
  box-shadow: 0 16px 40px rgba(10, 0, 3, .5);
}
.person-photo {
  position: relative;
  aspect-ratio: 2 / 3;            /* gần đúng tỉ lệ ảnh gốc: gần như không cắt */
  overflow: hidden;
  background: #d9c8b0;
}
.person-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 0;
}
.person-role {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  font-family: var(--serif);      /* Cormorant Garamond: serif cổ điển kiểu châu Âu */
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .3em;
  padding-left: .3em;             /* bù khoảng trống cuối chữ để căn giữa thật sự */
  text-align: center;
  color: #d9bd86;                 /* vàng champagne */
}
.person-role::before,
.person-role::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1px;
  margin: 0 9px 4px;
  background: rgba(217, 189, 134, .6);
  vertical-align: middle;
}

/* ---- bó hoa nhỏ ở các góc thiệp ---- */
.flowers--mini {
  position: absolute;
  z-index: 2;
  width: 64px;
  filter: drop-shadow(0 4px 7px rgba(10, 0, 3, .45));
}
.mini-tl { top: 18px; left: 6px; transform: rotate(-22deg); }
.mini-tr { top: 18px; right: 6px; transform: scaleX(-1) rotate(-22deg); }
/* hai bó hoa đối xứng ở hai vai vòm thiệp "Thân gửi gia đình & bạn bè" */
.mini-arch-l { top: 34px; left: -20px; transform: rotate(-26deg); }
.mini-arch-r { top: 34px; right: -20px; transform: scaleX(-1) rotate(-26deg); }

/* ---- ẢNH BÌA: 3 ảnh + câu chữ nằm thẳng trên nền thiệp ---- */
.sec-cover { padding: 14px 10px 6px; }
.orn-sm { display: block; width: min(100%, 420px); height: auto; margin: 0 auto 18px; }
.cover-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.ct {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(10, 0, 3, .45);
}
.cover-quote {
  margin: 22px 0 0;
  font-size: clamp(28px, 8.7vw, 40px);
  line-height: 1.15;
  color: #f6eee3;
  white-space: nowrap;
}
.cover-heart { display: block; width: min(64%, 230px); height: auto; margin: 8px auto 0; }
.person-name {
  position: relative;
  z-index: 1;
  font-size: clamp(26px, 7.4vw, 32px);
  line-height: 1.15;
  color: #f6eee3;                 /* ngà */
  margin: 8px 0 0;
}
.venue-time { font-size: 36px; line-height: 1.1; color: var(--wine-600); }

.sealed { padding-top: 62px; margin-top: 30px; }
.card-seal {
  position: absolute;
  left: 50%;
  top: 0;
  width: 66px;
  height: 66px;
  transform: translate(-50%, -42%);
  filter: drop-shadow(0 4px 5px rgba(30, 5, 8, .4));
}
.card-seal img { width: 100%; height: 100%; }

.btn-wine {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 26px;
  border-radius: 10px;
  background: var(--wine-700);
  color: var(--cream);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(60, 8, 16, .3);
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.btn-wine:hover { background: var(--wine-600); }
.btn-wine:active { transform: translateY(1px); }
.btn-wine:focus-visible { outline: 2px solid var(--wine-500); outline-offset: 3px; }

/* ---- CALENDAR ---- */
.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px 0;
  max-width: 300px;
  margin: 24px auto 0;
  font-size: 12px;
}
.cal-head { font-weight: 600; color: var(--ink); }
.cal-day {
  position: relative;
  color: var(--ink-soft);
  padding: 4px 0;
}
.cal-day.is-wedding { color: var(--wine-600); font-weight: 700; }
.cal-heart {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 40px;
  height: 36px;
  transform: translate(-50%, -54%);
  pointer-events: none;
}
.cal-heart path {
  fill: none;
  stroke: var(--wine-500);
  stroke-width: 1.6;
  stroke-linecap: round;
}
.month {
  margin-top: 10px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--wine-600);
  white-space: nowrap;
}

/* ---- DRAPE ---- */
.drape {
  position: relative;
  z-index: 2;
  width: 118%;
  max-width: none;
  height: auto;
  aspect-ratio: 480 / 224;
  margin: -118px -9% 0;
  pointer-events: none;
}
.sec-program .drape { margin-top: 26px; margin-bottom: -60px; }
.sec-greeting { padding-top: 34px; padding-bottom: 10px; }

/* ---- PROGRAMME ---- */
.program {
  list-style: none;
  margin: 8px auto 0;
  padding: 0;
  max-width: 330px;
  position: relative;
}
.program::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--line-light);
}
.program li {
  display: grid;
  grid-template-columns: 1fr 26px 1fr;
  align-items: center;
  padding: 14px 0;
}
.program-time {
  font-family: var(--script);
  font-size: 38px;
  line-height: 1;
  color: var(--text-light);
  text-align: right;
  padding-right: 8px;
}
.program-dot {
  justify-self: center;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-light);
  box-shadow: 0 0 0 4px rgba(239, 226, 214, .12);
  position: relative;
  z-index: 1;
}
.program-event {
  text-align: left;
  padding-left: 8px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-light);
}
.program-event small { display: block; color: var(--text-dim); font-size: 11px; }

/* ---- DRESS CODE ---- */
.sec-dress { padding-top: 96px; }
.swatches {
  list-style: none;
  max-width: 330px;
  padding: 0;
  margin: 26px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.swatches li {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid rgba(239, 226, 214, .55);
  box-shadow: 0 6px 14px rgba(10, 0, 3, .35);
}

/* ---- GALLERY ---- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 8px;
}
.gallery img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid rgba(239, 226, 214, .35);
  background: var(--wine-700);
}
.gallery img.is-feature {
  grid-column: 1 / -1;
  aspect-ratio: 4 / 5;
  border-radius: 999px 999px 4px 4px / 220px 220px 4px 4px;
  border: 1px solid rgba(239, 226, 214, .5);
  padding: 6px;
  background: transparent;
}
.gallery img.is-hidden { display: none; }

.sec-gallery .sec-title { font-size: clamp(30px, 8.6vw, 40px); white-space: nowrap; }

/* trang photobook: mỗi trang một hàng, nền trong suốt nên hoà vào nền thiệp */
.gallery--spreads {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 10px -14px 0;
}
.gallery--spreads img {
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  background: transparent;
  filter: drop-shadow(0 8px 16px rgba(10, 0, 3, .38));
}

.btn-outline {
  margin-top: 22px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-light);
  background: transparent;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  padding: 12px 26px;
  cursor: pointer;
  transition: background .25s var(--ease);
}
.btn-outline:hover { background: rgba(239, 226, 214, .08); }
.btn-outline:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---- GIFT ---- */
.sec-gift { padding-top: 76px; padding-bottom: 0; }
.sec-gift .cream-card { padding-bottom: 84px; }
.qr-frame {
  margin: 20px auto 0;
  width: min(220px, 72%);
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(160, 120, 85, .35);
  border-radius: 6px;
}
.qr-frame img { display: block; width: 100%; }

/* hai mã QR đặt cạnh nhau: nhà trai và nhà gái */
.sec-gift .cream-card { padding-left: 18px; padding-right: 18px; }
.qr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}
.qr-item { min-width: 0; }
.qr-side {
  margin: 0;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .22em;
  padding-left: .22em;
  color: var(--wine-600);
}
.qr-item .qr-frame { width: 100%; margin: 10px 0 0; padding: 6px; }
.qr-item .qr-frame img { aspect-ratio: 1 / 1; object-fit: contain; }
.sec-gift .cream-card { padding-bottom: 106px; }
.qr-item .btn-wine { margin-top: 12px; padding: 10px 14px; font-size: 11.5px; }

/* ---- RSVP ---- */
.sec-rsvp { padding-top: 90px; }
.rsvp-form {
  margin: 26px auto 0;
  max-width: 340px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 8px; border: 0; margin: 0; padding: 0; min-width: 0; }
.field-label { font-size: 13px; color: var(--text-light); padding: 0; }
.field input[type="text"],
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;            /* 16px+ stops iOS Safari from zooming on focus */
  color: var(--text-light);
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line-light);
  border-radius: 4px;
  padding: 11px 12px;
  resize: vertical;
}
.field input:focus-visible,
.field textarea:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }

.choice {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
}
.choice-row { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.choice input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 17px;
  height: 17px;
  margin: 0;
  border: 1px solid rgba(239, 226, 214, .7);
  border-radius: 50%;
  display: grid;
  place-content: center;
  cursor: pointer;
}
.choice input::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cream);
  transform: scale(0);
  transition: transform .2s var(--ease);
}
.choice input:checked::before { transform: scale(1); }
.choice input:checked + span { color: var(--text-light); }
.choice input:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.form-error { color: #ffc9c9; font-size: 12px; }

.btn-cream {
  align-self: center;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--wine-700);
  background: var(--cream);
  border: 0;
  border-radius: 12px;
  padding: 13px 38px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(10, 0, 3, .4);
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.btn-cream:hover { background: #fff8f1; }
.btn-cream:active { transform: translateY(1px); }
.btn-cream:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.rsvp-success {
  margin: 26px auto 0;
  max-width: 340px;
  padding: 26px 22px;
  border: 1px solid var(--line-light);
  border-radius: 6px;
  color: var(--text-dim);
}
.rsvp-success .script { font-size: 36px; color: var(--text-light); line-height: 1.2; margin-bottom: 6px; }

/* ---- CLOSING ---- */
.sec-closing { padding-bottom: 72px; }
.closing-text { line-height: 2; color: var(--text-light); white-space: pre-line; font-size: 12px; }
.sec-closing .couple { margin-top: 18px; }

/* ảnh kết thiệp: chữ dựng lại bằng font của thiệp, ảnh mờ viền hoà vào nền */
.destiny { position: relative; width: min(calc(100% + 20px), 440px); margin: 22px auto 0; }
.destiny img { display: block; width: 100%; height: auto; }
.destiny-cap {
  position: absolute;
  top: 3.2%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-shadow: 0 2px 12px rgba(30, 0, 6, .55);
  pointer-events: none;
}
.dest-kicker {
  font-family: var(--serif);
  font-size: clamp(10px, 3vw, 13px);
  font-weight: 600;
  letter-spacing: .34em;
  padding-left: .34em;
  color: #d9bd86;
}
.dest-title {
  font-size: clamp(44px, 13.6vw, 62px);
  line-height: .95;
  margin-top: 0;
  color: #f6eee3;
}
.dest-quote {
  max-width: 78%;
  margin-top: 2px;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(10px, 2.8vw, 12.5px);
  line-height: 1.32;
  color: rgba(246, 238, 227, .86);
}

/* ============================================================
   WIDE SCREENS: keep the narrow phone column, same wine backdrop
   ============================================================ */
@media (min-width: 620px) {
  .invite {
    margin: 40px auto;
    box-shadow: 0 0 0 1px rgba(201, 161, 90, .25), 0 30px 80px rgba(0, 0, 0, .55);
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .env-screen, .env-open, .env-envelope, .env-base, .env-flap, .env-interior, .env-letter-kicker, .env-letter-names, .env-letter-prompt { transition: none !important; animation: none !important; }
}

/* booth lời chúc */
.booth-note { margin-top: 34px; padding-top: 26px; border-top: 1px solid rgba(122, 28, 44, .25); text-align: center; }
.booth-note .booth-title { font-size: 40px; margin: 0 0 8px; }
.booth-note .card-text { margin: 0 auto; max-width: 30ch; font-size: 17px; line-height: 1.6; }

.booth-mock { position: relative; margin: 22px auto 0; width: 100%; max-width: 320px; padding-bottom: 46px; }
.booth-frame { position: relative; padding: 18px 12px 12px; border-radius: 20px; background: linear-gradient(145deg, #d9d6d2, #a9a6a2); box-shadow: 0 14px 28px rgba(60, 10, 20, .35), inset 0 0 0 2px rgba(255, 255, 255, .45); }
.booth-cam { position: absolute; top: 7px; left: 14%; width: 16px; height: 8px; border-radius: 4px; background: #2a2a2c; }
.booth-cam--mid { left: 50%; transform: translateX(-50%); width: 20px; }
.booth-cam:last-of-type { left: auto; right: 14%; }
.booth-cap { margin: 4px 0 10px; text-align: left; font-size: 13px; line-height: 1.25; color: #6b1a2b; }
.booth-cap span { display: block; font-style: italic; }
.booth-cap strong { display: block; font-size: 23px; line-height: 1.1; color: #7a1c2c; }
.booth-cap em { font-style: normal; color: #c2576f; }
.booth-screen { position: relative; border-radius: 8px; overflow: hidden; border: 3px solid #1d1d1f; aspect-ratio: 16 / 10; background: #000; }
.booth-screen img { display: block; width: 100%; height: 100%; object-fit: cover; }
.booth-thanks { position: absolute; right: 10px; bottom: 6px; font-size: 22px; color: #fff; text-shadow: 0 1px 6px rgba(0, 0, 0, .5); }
.booth-leg { position: absolute; bottom: 0; width: 5px; height: 52px; background: #26262a; border-radius: 3px; }
.booth-leg--l { left: 26%; transform: rotate(8deg); }
.booth-leg--r { right: 26%; transform: rotate(-8deg); }