:root {
  --burgundy: #801621;
  --burgundy-dark: #5E0D16;
  --cream: #FFF6F3;
  --ink: #261719;
  --rose-bg: #F6E7E3;
  --rose-accent: #F0D8D3;
  --muted: #735F62;
  --green: #567166;
  --blue: #93AEB4;
  --beige: #D6C2A4;
  --dress-cream: #EEE4D6;
  --safe-bottom: max(20px, env(safe-area-inset-bottom));
  --ease-soft: cubic-bezier(.22,.78,.22,1);
  --ease-spring: cubic-bezier(.16,1.3,.3,1);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  background: #6D101A;
  color: var(--cream);
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
}
body { overflow: hidden; overscroll-behavior: none; }
button, input, textarea { font: inherit; }
button { touch-action: manipulation; }
img { display: block; max-width: 100%; user-select: none; -webkit-user-drag: none; }

.experience {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  background: linear-gradient(145deg, #6D101A, #801621 50%, #681019);
  isolation: isolate;
}
.grain {
  position: absolute;
  inset: -50%;
  z-index: -1;
  opacity: .055;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E");
  transform: rotate(7deg);
}
.ambient {
  position: absolute;
  width: 44vmax;
  height: 44vmax;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .14;
  pointer-events: none;
  z-index: -1;
}
.ambient-a { top: -25vmax; left: -20vmax; background: #F0D8D3; }
.ambient-b { bottom: -28vmax; right: -18vmax; background: #5E0D16; }

.background-copy {
  position: absolute;
  top: 7.5vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(88vw, 720px);
  z-index: 1;
  text-align: center;
  font-family: "Pinyon Script", cursive;
  font-size: clamp(31px, 6.7vw, 52px);
  line-height: .88;
  color: var(--cream);
  opacity: 0;
  transition: opacity .65s var(--ease-soft), filter .65s var(--ease-soft), transform .8s var(--ease-soft);
  pointer-events: none;
  text-shadow: 0 2px 30px rgba(38,23,25,.12);
  animation: copyEnter .95s ease .75s both;
}
.background-copy p { margin: 0; }
.background-copy.dimmed {
  opacity: .2 !important;
  filter: blur(.15px);
  transform: translateX(-50%) scale(.985);
}
@keyframes copyEnter {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to { opacity: .96; transform: translateX(-50%) translateY(0); }
}

.scene-main {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 15vh 0 15vh;
  perspective: 1400px;
}
.table-plane {
  position: absolute;
  inset: 52% -20% -20%;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 25%, rgba(255,246,243,.08), transparent 55%);
}

.envelope-stage {
  position: absolute;
  left: 50%;
  top: 51%;
  width: min(88vw, 460px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  z-index: 5;
  transition: transform .8s var(--ease-soft), opacity .55s var(--ease-soft), filter .55s var(--ease-soft);
  animation: envelopeEnter 1.8s cubic-bezier(.2,.72,.26,1) both;
}
@keyframes envelopeEnter {
  0% { transform: translate(-50%, -200%); opacity: 0; }
  30% { transform: translate(-50%, -160%); opacity: .06; }
  76% { transform: translate(-50%, -57%); opacity: 1; }
  100% { transform: translate(-50%, -50%); opacity: 1; }
}
.envelope-parallax { width: 100%; height: 100%; transform-style: preserve-3d; transition: transform .18s ease-out; will-change: transform; }
.envelope-shell { position: relative; width: 100%; height: 100%; transform-origin: center; transition: transform .65s var(--ease-spring); cursor: pointer; }
.envelope-shell.bump { animation: envelopeBump .72s var(--ease-spring); }
@keyframes envelopeBump { 0% { transform: scale(1); } 42% { transform: scale(1.045); } 100% { transform: scale(1); } }
.envelope-closed, .envelope-open, .envelope-pocket { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.envelope-closed { z-index: 5; transition: opacity .32s ease, transform .5s var(--ease-soft); }
.envelope-open-layer { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .42s ease; transform-style: preserve-3d; }
.envelope-open-layer.visible { opacity: 1; visibility: visible; }
.envelope-open { z-index: 1; }
.envelope-pocket { z-index: 4; pointer-events: none; }
.papers-inside {
  position: absolute;
  inset: 0;
  z-index: 3;
  transform-style: preserve-3d;
  pointer-events: auto;
}
.inside-paper {
  position: absolute;
  left: 50%;
  top: 50%;
  max-width: none;
  filter: drop-shadow(0 10px 12px rgba(38,23,25,.18));
  transform-origin: center bottom;
  transition: transform .25s ease-out, opacity .35s ease;
  will-change: transform;
  cursor: pointer;
}
.inside-invite {
  z-index: 2;
  left: 43%;
  top: 54%;
  width: 42%;
  transform:
    translate(
      calc(-50% + var(--paper-shift-x, 0px)),
      calc(-37% + var(--paper-shift-y, 0px))
    )
    rotate(calc(-4deg + var(--paper-rotate, 0deg)));
}
.envelope-open-layer.opening .inside-invite {
  animation: invitePeekFromEnvelope .9s cubic-bezier(.22,.78,.22,1) both;
}
.inside-invite.lifting-out {
  animation: inviteLiftInsideEnvelope .52s cubic-bezier(.24,.72,.24,1) forwards;
}
@keyframes inviteLiftInsideEnvelope {
  0% {
    transform:
      translate(
        calc(-50% + var(--paper-shift-x, 0px)),
        calc(-37% + var(--paper-shift-y, 0px))
      )
      rotate(calc(-4deg + var(--paper-rotate, 0deg)));
  }
  100% {
    transform:
      translate(
        calc(-50% + var(--paper-shift-x, 0px)),
        calc(-102% + var(--paper-shift-y, 0px))
      )
      rotate(calc(-1.5deg + var(--paper-rotate, 0deg)));
  }
}
@keyframes invitePeekFromEnvelope {
  0% {
    transform:
      translate(
        calc(-50% + var(--paper-shift-x, 0px)),
        calc(-23% + var(--paper-shift-y, 0px))
      )
      rotate(calc(-2.5deg + var(--paper-rotate, 0deg)));
  }
  72% {
    transform:
      translate(
        calc(-50% + var(--paper-shift-x, 0px)),
        calc(-39% + var(--paper-shift-y, 0px))
      )
      rotate(calc(-4.3deg + var(--paper-rotate, 0deg)));
  }
  100% {
    transform:
      translate(
        calc(-50% + var(--paper-shift-x, 0px)),
        calc(-37% + var(--paper-shift-y, 0px))
      )
      rotate(calc(-4deg + var(--paper-rotate, 0deg)));
  }
}
.inside-details {
  z-index: 1;
  left: 61%;
  top: 57%;
  width: 30%;
  transform:
    translate(
      calc(-50% + var(--paper-shift-x, 0px)),
      calc(-45% + var(--paper-shift-y, 0px))
    )
    rotate(calc(3deg + var(--paper-rotate, 0deg)));
}
body[data-phase="invitation"] .inside-details {
  width: 32%;
  transform:
    translate(
      calc(-50% + var(--paper-shift-x, 0px)),
      calc(-45% + var(--paper-shift-y, 0px))
    )
    rotate(calc(2deg + var(--paper-rotate, 0deg)));
}
body[data-phase="details"] .inside-details,
.envelope-stage.details-centered .inside-details {
  left: 50%;
  top: 56%;
  width: 32%;
  transform:
    translate(
      calc(-50% + var(--paper-shift-x, 0px)),
      calc(-45% + var(--paper-shift-y, 0px))
    )
    rotate(calc(5deg + var(--paper-rotate, 0deg)));
}
.inside-details.lifting-out {
  animation: detailsLiftInsideEnvelope .56s cubic-bezier(.24,.72,.24,1) forwards;
}
.envelope-stage.details-centered .inside-details.lifted,
body[data-phase="details"] .inside-details.lifted {
  transform: translate(-50%, -112%) rotate(3deg);
}
.inside-details.settling-in {
  animation: detailsSettleInsideEnvelope .56s cubic-bezier(.24,.72,.24,1) both;
}
.inside-details.handoff { transition: none; }
@keyframes detailsLiftInsideEnvelope {
  0% { transform: translate(-50%, -45%) rotate(5deg); }
  100% { transform: translate(-50%, -112%) rotate(3deg); }
}
@keyframes detailsSettleInsideEnvelope {
  0% { transform: translate(-50%, -112%) rotate(3deg); }
  100% { transform: translate(-50%, -45%) rotate(5deg); }
}

.invitation-view {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform-origin: center center;
  transition: opacity .45s ease, transform .7s var(--ease-soft);
}
.invitation-view.visible { opacity: 1; visibility: visible; pointer-events: auto; }
.invitation-view.extracting { animation: inviteLiftScene .82s cubic-bezier(.22,.76,.22,1) both; }
.invitation-view.returning { animation: inviteReturnScene 1.12s var(--ease-soft) both; }
.invitation-view.preparing-to-park {
  transform: scale(.8);
  transition-duration: .48s;
  transition-timing-function: cubic-bezier(.22,.76,.22,1);
}
.invitation-view.parking { animation: inviteCornerScene 1.05s var(--ease-soft) forwards; }
.invitation-view:not(.ready) .fold-dots { opacity: 0; }
@keyframes inviteLiftScene {
  0% {
    opacity: 1;
    transform:
      translate3d(var(--extract-x, 0px), var(--extract-y, 22vh), 0)
      scale(var(--extract-scale, .72))
      rotate(-4deg);
  }
  100% { opacity: 1; transform: translateY(0) scale(1) rotate(0deg); }
}
@keyframes inviteReturnScene {
  0% {
    opacity: 1;
    transform:
      translate3d(var(--park-x, 18vw), var(--park-y, -14vh), 0)
      scale(var(--park-scale, .72))
      rotate(30deg);
  }
  100% { opacity: 1; transform: translate(0, 0) scale(1) rotate(0deg); }
}
@keyframes inviteCornerScene {
  0% { opacity: 1; transform: translate(0, 0) scale(.8) rotate(0deg); }
  100% {
    opacity: 1;
    transform:
      translate3d(var(--park-x, 18vw), var(--park-y, -14vh), 0)
      scale(var(--park-scale, .72))
      rotate(30deg);
  }
}

.invitation-drag-zone { position: absolute; left: 0; right: 0; top: 16vh; bottom: 14vh; display: flex; align-items: center; overflow: hidden; touch-action: none; cursor: grab; }
.invitation-drag-zone.dragging { cursor: grabbing; }
.invitation-track {
  --panel-w: min(76vw, 325px);
  display: flex;
  align-items: center;
  width: max-content;
  height: auto;
  transform: translate3d(calc(50vw - var(--panel-w) / 2), 0, 0) rotateZ(0deg);
  transform-origin: center;
  will-change: transform;
}
.invite-panel {
  position: relative;
  width: var(--panel-w);
  flex: 0 0 var(--panel-w);
  aspect-ratio: 756 / 811;
  transform-style: preserve-3d;
  transform-origin: left center;
  overflow: hidden;
  filter: drop-shadow(0 18px 24px rgba(38,23,25,.20));
  transition: transform .82s var(--ease-soft), opacity .5s ease;
  backface-visibility: hidden;
}
.invite-panel img { width: 100%; height: 100%; object-fit: contain; }
.invite-panel.panel-2 img {
  width: 300%;
  max-width: none;
  object-fit: fill;
  transform: translateX(-33.3333%);
}
.invite-panel.panel-3 img {
  width: 300%;
  max-width: none;
  object-fit: fill;
  transform: translateX(-66.6667%);
}
.panel-2, .panel-3 {
  margin-left: -2px;
  opacity: 0;
  pointer-events: none;
  transform: perspective(1000px) rotateY(-88deg) scaleX(.75);
}
.panel-2.revealed, .panel-3.revealed { opacity: 1; pointer-events: auto; transform: perspective(1000px) rotateY(0deg) scaleX(1); }
.fold-dots {
  position: absolute;
  bottom: 11.8vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  opacity: .65;
  transition: opacity .45s ease;
}
.dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,246,243,.35); transition: transform .3s ease, background .3s ease, opacity .3s ease; cursor: pointer; }
.dot[data-available="false"] { opacity: .55; }
.dot.active { background: var(--cream); transform: scale(1.12); }

.invitation-corner {
  position: absolute;
  z-index: 18;
  right: clamp(-240px, -24vw, -120px);
  top: clamp(84px, 10vh, 128px);
  width: clamp(470px, 92vw, 760px);
  aspect-ratio: 2263 / 810;
  padding: 0;
  border: 0;
  background: transparent;
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  transform: translate(48px, -34px) rotate(30deg) scale(1);
  transform-origin: center;
  filter: drop-shadow(0 18px 30px rgba(38,23,25,.28));
  transition: opacity .65s ease, transform 1s var(--ease-spring), filter .3s ease;
}
.invitation-corner.visible { opacity: 1; visibility: visible; transform: translate(0, 0) rotate(30deg) scale(1); }
.invitation-corner.handoff { transition: none; }
.invitation-corner:hover { filter: drop-shadow(0 22px 34px rgba(38,23,25,.34)); transform: translate(0, -2px) rotate(30deg) scale(1.01); }
.invitation-corner img { width: 100%; height: 100%; object-fit: contain; object-position: center; }

.details-view {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 15vh 20px 16vh;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .5s ease;
}
.details-view.visible { opacity: 1; visibility: visible; pointer-events: none; }
.details-view.extracting,
.details-view.returning { transition: none; }
.details-view.extracting .details-card { animation: detailsLift .9s var(--ease-soft) both; }
.details-view.returning .details-card { animation: detailsReturn .96s var(--ease-soft) both; }
@keyframes detailsLift {
  0% {
    transform:
      translate3d(var(--details-extract-x, 0px), var(--details-extract-y, 22vh), 0)
      scale(var(--details-extract-scale, .62))
      rotate(3deg);
    opacity: 1;
  }
  100% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 1; }
}

@keyframes detailsReturn {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 1; }
  100% {
    transform:
      translate3d(var(--details-return-x, 0px), var(--details-return-y, 22vh), 0)
      scale(var(--details-return-scale, .62))
      rotate(3deg);
    opacity: 1;
  }
}

.details-card {
  width: min(78vw, 390px);
  aspect-ratio: 608 / 615;
  perspective: 1200px;
  touch-action: none;
  cursor: grab;
  filter: drop-shadow(0 20px 32px rgba(38,23,25,.24));
  transform: translateY(0) scale(1);
  transition: transform .65s var(--ease-spring);
  pointer-events: auto;
}
.details-card:active { cursor: grabbing; }
.details-card-inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 1.18s var(--ease-soft); }
.details-card.flipped .details-card-inner { transform: rotateY(180deg); }
.details-face { position: absolute; inset: 0; backface-visibility: hidden; }
.details-face img { width: 100%; height: 100%; object-fit: contain; }
.details-back { transform: rotateY(180deg); }
.gesture-hint { position: absolute; bottom: 12.5vh; margin: 0; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,246,243,.6); transition: opacity .3s ease; }
.details-card.flipped + .gesture-hint { opacity: .3; }

.primary-action-wrap {
  position: absolute;
  left: 50%;
  bottom: var(--safe-bottom);
  z-index: 25;
  width: auto;
  transform: translateX(-50%);
  opacity: 1;
  transition: opacity .3s ease;
}
.primary-action-wrap.hidden { opacity: 0; pointer-events: none; }
.primary-action {
  position: relative;
  width: auto;
  border: 0;
  background: transparent;
  color: var(--cream);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0 7px;
  font-size: clamp(12px, 2.45vw, 14px);
  font-weight: 600;
  letter-spacing: .17em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity .3s ease, transform .25s ease;
}
.primary-action::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(255,246,243,.9);
}
.primary-action:active { transform: scale(.985); }

.rsvp-screen, .thanks-screen {
  position: absolute;
  inset: 0;
  z-index: 40;
  background: linear-gradient(145deg, #6D101A, #801621 50%, #681019);
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .6s ease;
}
.rsvp-screen.visible, .thanks-screen.visible { opacity: 1; visibility: visible; pointer-events: auto; }
.rsvp-card { width: min(92vw, 690px); margin: 0 auto; padding: max(54px, 8vh) 0 max(64px, env(safe-area-inset-bottom)); color: var(--cream); }
.screen-back-button,
.thanks-details-button {
  border: 0;
  border-bottom: 1px solid rgba(255,246,243,.78);
  background: transparent;
  color: var(--cream);
  padding: 5px 0 7px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}
.screen-back-button {
  position: sticky;
  top: max(16px, env(safe-area-inset-top));
  z-index: 2;
  display: block;
  margin: 0 0 28px;
}
.thanks-details-button { margin-top: 28px; }
.script-kicker { font-family: "Pinyon Script", cursive; font-size: clamp(42px, 9vw, 68px); line-height: 1; margin: 0 0 12px; text-align: center; }
.rsvp-card h1 { font-size: clamp(26px, 6vw, 42px); line-height: 1.12; text-align: center; margin: 0 0 10px; font-weight: 500; }
.rsvp-intro { text-align: center; color: rgba(255,246,243,.78); margin: 0 auto 42px; max-width: 520px; line-height: 1.6; }
#rsvpForm { display: grid; gap: 24px; background: rgba(255,246,243,.97); color: var(--ink); border: 1px solid rgba(128,22,33,.18); padding: clamp(22px, 5vw, 38px); box-shadow: 0 24px 70px rgba(38,23,25,.22); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend, .field > span { display: block; font-size: 13px; font-weight: 600; letter-spacing: .04em; margin-bottom: 10px; color: var(--ink); }
.choice-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice-row.compact { grid-template-columns: 1fr 1fr; max-width: 310px; }
.choice-pill { position: relative; cursor: pointer; }
.choice-pill input { position: absolute; opacity: 0; pointer-events: none; }
.choice-pill span { display: flex; align-items: center; justify-content: center; min-height: 48px; border: 1px solid rgba(115,95,98,.25); background: #fff; color: var(--muted); font-size: 13px; padding: 10px 14px; transition: .25s ease; }
.choice-pill input:checked + span { background: var(--burgundy); border-color: var(--burgundy); color: var(--cream); box-shadow: 0 8px 20px rgba(128,22,33,.16); }
.field input, .field textarea { width: 100%; border: 1px solid rgba(115,95,98,.25); background: #fff; color: var(--ink); padding: 14px 15px; outline: none; transition: border .2s ease, box-shadow .2s ease; }
.field input:focus, .field textarea:focus { border-color: rgba(128,22,33,.65); box-shadow: 0 0 0 3px rgba(128,22,33,.08); }
.field textarea { resize: vertical; min-height: 110px; }
.conditional { display: none; }
.conditional.visible { display: block; animation: fadeUp .35s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.submit-button { height: 52px; border: 1px solid var(--burgundy); background: var(--burgundy); color: var(--cream); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; box-shadow: 0 12px 30px rgba(128,22,33,.2); transition: transform .2s ease, background .2s ease; }
.submit-button:hover { background: var(--burgundy-dark); transform: translateY(-1px); }
.submit-button:disabled { opacity: .55; cursor: wait; }
.form-status { min-height: 20px; margin: -10px 0 0; text-align: center; font-size: 12px; color: var(--muted); }

.thanks-screen { display: grid; place-items: center; overflow: hidden; }
.thanks-card { text-align: center; padding: 24px; width: min(90vw, 620px); }
.thanks-monogram { font-family: "Pinyon Script", cursive; font-size: clamp(72px, 18vw, 140px); line-height: 1; color: var(--cream); opacity: .15; margin-bottom: -22px; }
.thanks-monogram span { font-size: .55em; }
.thanks-card h2 { font-size: clamp(18px, 4.2vw, 28px); font-weight: 500; margin: 4px 0 0; opacity: .84; }

button:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cream);
  outline-offset: 4px;
}
.rsvp-screen input:focus-visible,
.rsvp-screen textarea:focus-visible { outline-color: var(--burgundy); }

/* Portrait phones: keep every interactive element inside the visible safe area. */
@media (max-width: 599px) {
  .background-copy {
    top: max(calc(env(safe-area-inset-top) + 20px), 5.5svh);
    width: 92vw;
    font-size: clamp(28px, 9.2vw, 40px);
    line-height: .9;
  }
  .scene-main { padding: 13svh 0 13svh; }
  .envelope-stage {
    top: 52%;
    width: min(94vw, 430px);
  }
  .invitation-drag-zone {
    top: max(calc(env(safe-area-inset-top) + 96px), 14svh);
    bottom: max(calc(env(safe-area-inset-bottom) + 86px), 13svh);
  }
  .invitation-track { --panel-w: min(82vw, 330px); }
  .fold-dots {
    bottom: calc(env(safe-area-inset-bottom) + 62px);
    gap: 10px;
  }
  .dot { width: 9px; height: 9px; }
  .invitation-corner {
    right: -35vw;
    top: max(calc(env(safe-area-inset-top) + 18px), 3svh);
    width: clamp(400px, 132vw, 560px);
  }
  .details-view {
    padding: max(calc(env(safe-area-inset-top) + 92px), 14svh) 14px
      max(calc(env(safe-area-inset-bottom) + 96px), 15svh);
  }
  .details-card { width: min(86vw, 380px); }
  .gesture-hint { bottom: calc(env(safe-area-inset-bottom) + 66px); }
  .primary-action-wrap {
    bottom: calc(env(safe-area-inset-bottom) + 18px);
    max-width: calc(100vw - 32px);
    text-align: center;
  }
  .primary-action {
    min-height: 36px;
    white-space: nowrap;
  }
  .rsvp-card {
    width: 100%;
    padding: max(calc(env(safe-area-inset-top) + 20px), 34px) 16px
      max(calc(env(safe-area-inset-bottom) + 40px), 52px);
  }
  .screen-back-button {
    top: calc(env(safe-area-inset-top) + 8px);
    margin-bottom: 24px;
    background: rgba(109,16,26,.9);
    box-shadow: 0 0 0 8px rgba(109,16,26,.9);
  }
  .script-kicker { font-size: clamp(42px, 14vw, 58px); }
  .rsvp-card h1 { font-size: clamp(28px, 8vw, 36px); }
  .rsvp-intro {
    margin-bottom: 28px;
    padding: 0 8px;
    font-size: 16px;
    line-height: 1.5;
  }
  #rsvpForm {
    gap: 22px;
    padding: 22px 18px;
  }
  legend, .field > span { font-size: 14px; line-height: 1.35; }
  .choice-pill span { min-height: 50px; font-size: 14px; }
  .field input, .field textarea { font-size: 16px; }
  .submit-button { min-height: 54px; height: auto; padding: 12px 14px; }
  .thanks-card { padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom)); }
}

@media (max-width: 359px) {
  .choice-row { grid-template-columns: 1fr; }
  .choice-row.compact { grid-template-columns: 1fr 1fr; max-width: none; }
  .envelope-stage { width: 96vw; }
  .invitation-track { --panel-w: 86vw; }
}

/* Phones turned sideways: size artwork from the available height. */
@media (max-width: 899px) and (max-height: 520px) and (orientation: landscape) {
  .background-copy {
    top: calc(env(safe-area-inset-top) + 8px);
    width: 70vw;
    font-size: clamp(24px, 5vw, 34px);
  }
  .envelope-stage { top: 51%; width: min(58vh, 330px); }
  .invitation-drag-zone {
    top: calc(env(safe-area-inset-top) + 48px);
    bottom: calc(env(safe-area-inset-bottom) + 52px);
  }
  .invitation-track { --panel-w: min(42vw, 62vh); }
  .fold-dots { bottom: calc(env(safe-area-inset-bottom) + 44px); }
  .details-view {
    padding: calc(env(safe-area-inset-top) + 44px) 16px
      calc(env(safe-area-inset-bottom) + 50px);
  }
  .details-card { width: min(44vw, 64vh); }
  .gesture-hint { display: none; }
  .primary-action-wrap { bottom: calc(env(safe-area-inset-bottom) + 8px); }
  .invitation-corner {
    top: calc(env(safe-area-inset-top) - 62px);
    right: -18vw;
    width: min(78vw, 590px);
  }
}

@media (min-width: 900px) {
  .background-copy { top: 6vh; font-size: 54px; }
  .scene-main { padding-top: 12vh; }
  .envelope-stage { width: min(38vw, 480px); top: 53%; }
  .invitation-drag-zone { top: 14vh; bottom: 12vh; overflow: visible; }
  .invitation-track { --panel-w: min(27vw, 330px); }
  .fold-dots { bottom: 10.5vh; }
  .primary-action { font-size: 12px; }
  .details-card { width: min(30vw, 390px); }
  .invitation-corner { right: -210px; top: 6.5vh; width: 760px; }
}
@media (min-width: 1280px) {
  .invitation-track { --panel-w: min(25vw, 350px); }
  .invitation-drag-zone { justify-content: flex-start; }
  .details-card { width: 300px; }
}
@media (min-width: 900px) and (max-height: 700px) {
  .background-copy { top: 4.5vh; font-size: clamp(28px, 5.5vw, 43px); }
  .envelope-stage { top: 49%; width: min(77vw, 400px); }
  .invitation-drag-zone { top: 12vh; bottom: 14vh; }
  .fold-dots { bottom: 12vh; }
  .details-view { padding-top: 11vh; }
  .gesture-hint { bottom: 13vh; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}