:root{
  --ivory:#f6f1e8;
  --cream:#fcf9f3;
  --paper:#fbf7ef;
  --ink:#3a4238;
  --ink-soft:#6a7266;
  --sage:#8a9a7d;
  --sage-deep:#5c6a51;
  --gold:#b89b6a;
  --gold-soft:#cbb589;
  --blush:#d8b7a6;
  --line:rgba(92,106,81,.22);
  --shadow:0 30px 60px -25px rgba(58,66,56,.45), 0 10px 30px -20px rgba(58,66,56,.4);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Jost',sans-serif;
  color:var(--ink);
  background:
    radial-gradient(120% 80% at 50% -10%, #fbf8f1 0%, var(--ivory) 45%, #ece4d5 100%);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ---------- floating petals backdrop ---------- */
.petals{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.petals::before,.petals::after{
  content:"";position:absolute;inset:-10%;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(216,183,166,.25) 0 6px, transparent 7px),
    radial-gradient(circle at 70% 60%, rgba(138,154,125,.22) 0 5px, transparent 6px),
    radial-gradient(circle at 45% 80%, rgba(184,155,106,.18) 0 4px, transparent 5px),
    radial-gradient(circle at 85% 20%, rgba(216,183,166,.2) 0 5px, transparent 6px),
    radial-gradient(circle at 10% 70%, rgba(138,154,125,.18) 0 4px, transparent 5px);
  background-size:60% 60%;
  animation:drift 26s linear infinite;
  opacity:.7;
}
.petals::after{animation-duration:38s;animation-direction:reverse;opacity:.45}
@keyframes drift{from{transform:translateY(-4%) rotate(0)}to{transform:translateY(4%) rotate(8deg)}}

/* ---------- stage / scene ---------- */
.stage{position:relative;z-index:1;min-height:100dvh;display:grid;place-items:center;padding:24px}
.scene{
  perspective:2200px;width:min(92vw,420px);height:min(84dvh,640px);
  animation:cardIn 1.1s cubic-bezier(.2,.8,.2,1) both;
}
.card{
  position:relative;width:100%;height:100%;
  transform-style:preserve-3d;
  -webkit-transform-style:preserve-3d;
  /* Symmetric easing so the card is edge-on at EXACTLY half the duration —
     the face-visibility swap below is timed to that same moment. */
  transition:transform 1.1s cubic-bezier(.45,0,.55,1);
}
@keyframes cardIn{from{opacity:0;transform:translateY(26px) scale(.96)}to{opacity:1;transform:none}}
.card.flipped{transform:rotateY(180deg)}

.face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:8px;
  background:linear-gradient(160deg,var(--cream),var(--paper));
  box-shadow:var(--shadow);
  display:flex;padding:16px;
  /* Belt-and-braces: some mobile browsers ignore backface-visibility, which
     makes the turned-away face show through mirrored. So we ALSO crossfade
     the faces in a tiny .12s window centered on the flip's midpoint (.55s of
     the 1.1s turn) — exactly when the card is edge-on, so the swap is
     invisible everywhere and there's no blank/paused frame. */
  transition:opacity .12s linear .49s;
  opacity:1;
}
.back{transform:rotateY(180deg)}
/* The face turned away is invisible and must not swallow taps on the
   buttons of the face you're looking at (RSVP / Back / Turn). */
.card:not(.flipped) .back{opacity:0;pointer-events:none}
.card.flipped .front{opacity:0;pointer-events:none}

.frame{
  position:relative;flex:1;
  border:1px solid var(--line);
  border-radius:4px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:34px 26px;gap:0;
}
.corner{position:absolute;width:16px;height:16px;border:1.5px solid var(--gold);opacity:.7}
.corner.tl{top:8px;left:8px;border-right:0;border-bottom:0}
.corner.tr{top:8px;right:8px;border-left:0;border-bottom:0}
.corner.bl{bottom:8px;left:8px;border-right:0;border-top:0}
.corner.br{bottom:8px;right:8px;border-left:0;border-top:0}

/* ---------- photo front ---------- */
/* NOTE: no overflow:hidden here — it breaks backface-visibility on the 3D
   flip in some browsers (front shows through mirrored). We round the image
   itself instead so the corners stay clean. */
.photo-front{padding:0;background:linear-gradient(160deg,var(--sage),var(--sage-deep))}
.photo-front .hero{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%;border-radius:8px}
.photo-front.no-photo .hero{display:none}
.hero-overlay{
  position:absolute;inset:0;border-radius:8px;
  background:
    linear-gradient(180deg,rgba(30,36,28,.35) 0%,rgba(30,36,28,0) 26%,rgba(30,36,28,0) 42%,rgba(28,34,26,.72) 100%);
}
.inset-border{position:absolute;inset:14px;border:1px solid rgba(255,255,255,.5);border-radius:4px;pointer-events:none}
.front-content{
  position:absolute;left:0;right:0;bottom:0;
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:0 28px 34px;gap:0;z-index:2;
}
.front-content .monogram{margin:0 auto 16px}
/* light (over photo) variants */
.light{color:#fdfbf6 !important;text-shadow:0 1px 14px rgba(20,26,18,.5)}
.monogram.light{border-color:rgba(255,255,255,.6)}
.monogram.light span{color:#f0dcbf}
.eyebrow.light{color:rgba(255,255,255,.9)}
.names.light{color:#fff}
.names.light .amp{color:#f0dcbf}
.rule.light{color:#f0dcbf;margin:14px 0 12px}
.rule.light span{background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent)}
.date.light{color:#fff}
.date.light em{font-style:italic;opacity:.92;font-size:.92em}
.turn-hint.light{color:#fdfbf6;margin-top:20px}
.turn-hint.light:hover{color:#f0dcbf}

/* ---------- front content ---------- */
.monogram{
  font-family:'Cormorant Garamond',serif;font-size:1.15rem;letter-spacing:.35em;
  color:var(--sage-deep);border:1px solid var(--line);border-radius:50%;
  width:66px;height:66px;display:grid;place-items:center;margin-bottom:22px;
}
.monogram span{color:var(--gold);font-size:.8em}
.eyebrow{
  font-size:.7rem;letter-spacing:.34em;text-transform:uppercase;color:var(--ink-soft);
  margin:0 0 18px;font-weight:400;
}
.names{
  font-family:'Tangerine',cursive;font-weight:700;
  font-size:clamp(3.4rem,14vw,4.6rem);line-height:.82;color:var(--ink);margin:0;
}
.names .amp{font-size:.5em;color:var(--gold);vertical-align:middle}
.request{
  font-family:'Cormorant Garamond',serif;font-size:1.02rem;color:var(--ink-soft);
  margin:20px 0 0;line-height:1.5;font-style:italic;
}
.rule{display:flex;align-items:center;gap:12px;color:var(--gold);margin:20px 0;font-size:.9rem}
.rule span{display:block;width:44px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-soft),transparent)}
.date{
  font-family:'Cormorant Garamond',serif;font-size:.98rem;letter-spacing:.04em;
  color:var(--ink);margin:0;line-height:1.55;
}
.turn-hint{
  margin-top:26px;background:none;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Jost';font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--sage-deep);padding:8px 4px;transition:gap .3s,color .3s;
}
.turn-hint:hover{gap:14px;color:var(--gold)}
.turn-hint svg{transition:transform .3s}
.turn-hint:hover svg{transform:translateX(3px)}

/* ---------- back content ---------- */
.back-photo{
  width:96px;height:96px;border-radius:50%;overflow:hidden;position:relative;
  margin:0 auto 4px;border:1px solid var(--gold-soft);box-shadow:0 8px 20px -12px rgba(58,66,56,.6);
  background:linear-gradient(135deg,var(--sage),var(--sage-deep));
}
.back-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.back-photo-fallback{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  font-family:'Cormorant Garamond',serif;font-size:1.7rem;letter-spacing:.1em;color:#fdfbf6;
}
.back-photo.no-photo img{display:none}
.back-photo.no-photo .back-photo-fallback{display:flex}
.back-title{
  font-family:'Cormorant Garamond',serif;font-weight:500;font-size:1.68rem;line-height:1.15;
  margin:12px 0 22px;color:var(--ink);
}
.detail{margin-bottom:18px}
.detail-label{
  font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);
  margin:0 0 6px;
}
.detail-main{font-family:'Cormorant Garamond',serif;font-size:1.2rem;color:var(--ink);margin:0 0 3px}
.detail-sub{font-size:.82rem;color:var(--ink-soft);margin:0;letter-spacing:.02em}
.rsvp-btn{
  margin-top:14px;position:relative;cursor:pointer;
  background:linear-gradient(135deg,var(--sage),var(--sage-deep));
  color:#fdfbf6;border:0;border-radius:40px;
  padding:15px 54px;font-family:'Jost';font-size:.82rem;letter-spacing:.28em;text-transform:uppercase;
  box-shadow:0 12px 26px -12px rgba(92,106,81,.85);
  transition:transform .3s,box-shadow .3s,filter .3s;overflow:hidden;
}
.rsvp-btn::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-20deg);animation:sheen 4.5s ease-in-out infinite;
}
@keyframes sheen{0%,60%{left:-60%}80%,100%{left:130%}}
.rsvp-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(92,106,81,.9);filter:brightness(1.05)}
.flip-back{
  margin-top:18px;background:none;border:0;cursor:pointer;color:var(--ink-soft);
  font-family:'Jost';font-size:.72rem;letter-spacing:.14em;transition:color .3s;
}
.flip-back:hover{color:var(--gold)}

/* ---------- modal ---------- */
.modal-overlay{
  position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(46,52,44,.5);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s;
}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{
  position:relative;width:min(94vw,460px);max-height:92dvh;overflow-y:auto;
  background:linear-gradient(160deg,var(--cream),var(--paper));
  border-radius:18px;box-shadow:var(--shadow);
  padding:38px 30px 30px;
  transform:translateY(24px) scale(.97);opacity:0;
  transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .4s;
}
.modal-overlay.open .modal{transform:none;opacity:1}
.close{
  position:absolute;top:14px;right:16px;background:none;border:0;font-size:1.6rem;line-height:1;
  color:var(--ink-soft);cursor:pointer;transition:color .3s,transform .3s;
}
.close:hover{color:var(--ink);transform:rotate(90deg)}

.progress{display:flex;justify-content:center;gap:9px;margin-bottom:22px}
.progress .dot{width:7px;height:7px;border-radius:50%;background:var(--line);transition:all .4s}
.progress .dot.active{background:var(--gold);width:22px;border-radius:4px}

/* steps */
.step{display:none;animation:stepIn .5s cubic-bezier(.2,.8,.2,1)}
.step.active{display:block}
@keyframes stepIn{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}
.step-eyebrow{font-size:.64rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);text-align:center;margin:0 0 6px}
.step-title{font-family:'Cormorant Garamond',serif;font-weight:500;font-size:1.7rem;text-align:center;margin:0 0 22px;color:var(--ink)}

/* photo upload */
.photo-upload{display:flex;flex-direction:column;align-items:center;margin-bottom:22px}
.avatar{
  width:112px;height:112px;border-radius:50%;cursor:pointer;position:relative;overflow:hidden;
  background:var(--ivory);border:1.5px dashed var(--gold-soft);
  display:grid;place-items:center;transition:border-color .3s,transform .3s;
}
.avatar:hover{border-color:var(--gold);transform:scale(1.02)}
.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
.avatar.has-photo{border-style:solid;border-color:var(--sage)}
.avatar.has-photo img{display:block}
.avatar.has-photo .avatar-placeholder{display:none}
.avatar{padding:0}
.avatar-placeholder{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--ink-soft)}
.avatar-placeholder em{font-style:normal;font-size:.66rem;letter-spacing:.1em}
.photo-actions{display:flex;gap:8px;margin-top:14px}
.photo-btn{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  background:var(--ivory);border:1px solid var(--line);border-radius:30px;
  padding:9px 15px;font-family:'Jost';font-size:.76rem;letter-spacing:.04em;color:var(--sage-deep);
  transition:all .25s;
}
.photo-btn:hover{border-color:var(--sage);background:rgba(138,154,125,.1);color:var(--ink)}
.photo-btn svg{flex:none}
.hint{font-size:.74rem;color:var(--ink-soft);margin:12px 0 0;text-align:center}
.hint.center{margin:-10px 0 18px}

/* floating-label fields */
.field{position:relative;margin-bottom:6px}
.field input,.field textarea{
  width:100%;background:var(--ivory);border:1px solid var(--line);border-radius:12px;
  padding:16px 16px 14px;font-family:'Jost';font-size:.95rem;color:var(--ink);
  transition:border-color .3s,box-shadow .3s;resize:none;
}
.field textarea{padding-top:20px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--sage);box-shadow:0 0 0 3px rgba(138,154,125,.15)}
.field label{
  position:absolute;left:16px;top:15px;color:var(--ink-soft);pointer-events:none;
  font-size:.95rem;transition:all .22s ease;
}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{
  top:-8px;left:12px;font-size:.66rem;letter-spacing:.08em;color:var(--sage-deep);
  background:var(--paper);padding:0 6px;border-radius:4px;
}

/* choices */
.choices{display:flex;flex-direction:column;gap:10px;margin-bottom:6px}
.choice{
  text-align:left;background:var(--ivory);border:1px solid var(--line);border-radius:14px;
  padding:15px 18px;cursor:pointer;transition:all .25s;display:flex;flex-direction:column;gap:2px;
}
.choice:hover{border-color:var(--sage);transform:translateX(3px)}
.choice.selected{border-color:var(--sage);background:linear-gradient(135deg,rgba(138,154,125,.16),rgba(184,155,106,.1));box-shadow:0 0 0 3px rgba(138,154,125,.14)}
.choice-title{font-family:'Cormorant Garamond',serif;font-size:1.15rem;color:var(--ink)}
.choice-sub{font-size:.74rem;color:var(--ink-soft);letter-spacing:.02em}
.choice.decline .choice-title{color:var(--ink-soft)}

/* guests */
.guests{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}
.guest-row{display:flex;gap:8px;align-items:center;animation:stepIn .3s}
.guest-row input{
  flex:1;background:var(--ivory);border:1px solid var(--line);border-radius:12px;
  padding:13px 14px;font-family:'Jost';font-size:.9rem;color:var(--ink);
}
.guest-row input:focus{outline:none;border-color:var(--sage)}
.guest-row .remove{
  background:none;border:0;color:var(--ink-soft);cursor:pointer;font-size:1.3rem;
  width:34px;height:34px;border-radius:50%;transition:all .25s;flex:none;
}
.guest-row .remove:hover{color:#b56a5c;background:rgba(181,106,92,.1)}
.add-guest{
  width:100%;background:none;border:1px dashed var(--gold-soft);border-radius:12px;
  padding:12px;cursor:pointer;color:var(--sage-deep);font-family:'Jost';font-size:.82rem;
  letter-spacing:.06em;transition:all .25s;margin-bottom:16px;
}
.add-guest span{font-size:1.1rem;vertical-align:-1px}
.add-guest:hover{border-color:var(--gold);background:rgba(184,155,106,.08)}

/* actions */
.actions{display:flex;gap:10px;margin-top:24px}
.actions button{flex:1;padding:14px;border-radius:40px;font-family:'Jost';font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:all .3s}
.primary{background:linear-gradient(135deg,var(--sage),var(--sage-deep));color:#fdfbf6;border:0;box-shadow:0 10px 22px -12px rgba(92,106,81,.85)}
.primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(92,106,81,.9)}
.primary:disabled{opacity:.45;cursor:not-allowed}
.ghost{background:none;border:1px solid var(--line);color:var(--ink-soft)}
.ghost:hover{border-color:var(--sage);color:var(--ink)}

/* confirmation */
.confirm{text-align:center}
.confirm-photo{position:relative;border-radius:16px;overflow:hidden;margin:0 0 -32px;box-shadow:0 16px 34px -18px rgba(58,66,56,.6)}
.confirm-photo img{display:block;width:100%;height:172px;object-fit:cover;object-position:center 38%}
.confirm-photo-cap{
  position:absolute;left:0;right:0;top:0;padding:12px 14px 26px;
  background:linear-gradient(180deg,rgba(28,34,26,.72),transparent);
  color:#fff;font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.05rem;letter-spacing:.02em;
}
.seal{
  width:76px;height:76px;border-radius:50%;margin:6px auto 20px;
  position:relative;border:3px solid var(--paper);
  background:linear-gradient(135deg,var(--gold),var(--gold-soft));color:#fff;
  display:grid;place-items:center;box-shadow:0 14px 30px -12px rgba(184,155,106,.9);
  animation:pop .6s cubic-bezier(.2,1.4,.4,1) both;
}
@keyframes pop{from{transform:scale(0) rotate(-30deg);opacity:0}to{transform:none;opacity:1}}
.confirm-text{font-family:'Cormorant Garamond',serif;font-size:1.12rem;color:var(--ink-soft);line-height:1.6;margin:0 0 26px;font-style:italic}

/* falling confetti petals on confirm */
.confetti{position:fixed;top:-20px;width:11px;height:11px;border-radius:50% 0 50% 50%;z-index:60;pointer-events:none;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:0}}

@media (max-height:680px){
  .frame{padding:24px 22px}
  .monogram{margin-bottom:14px}
  .eyebrow{margin-bottom:12px}
}