:root{
  --cream:#f6efe3;
  --paper:#fffaf2;
  --burgundy:#701d32;
  --burgundy-dark:#511321;
  --gold:#b18a43;
  --olive:#59624c;
  --ink:#49443d;
  --line:rgba(177,138,67,.44);
  --shadow:0 22px 65px rgba(55,32,19,.24);
}
*{box-sizing:border-box}
html,body{
  margin:0;
  min-height:100%;
  background:var(--cream);
  color:var(--ink);
  font-family:Georgia,"Times New Roman",serif;
}
body.locked{overflow:hidden}
button,input{font:inherit}
button{cursor:pointer}

.invitation-stage{
  width:min(100%,760px);
  min-height:100svh;
  margin:0 auto;
  background:#f3e9da;
}
.invitation-image{
  display:block;
  width:100%;
  height:auto;
  min-height:100svh;
  object-fit:cover;
  object-position:center top;
}

/* Burgundy wax-seal-style menu button */
.seal-button{
  position:fixed;
  right:18px;
  bottom:calc(18px + env(safe-area-inset-bottom));
  z-index:30;
  width:62px;
  height:62px;
  padding:0;
  border:1px solid rgba(255,244,222,.42);
  border-radius:50%;
  background:
    radial-gradient(circle at 35% 28%,#96304a 0 11%,transparent 12%),
    radial-gradient(circle at 50% 48%,#7b2038,#5e1428 72%);
  box-shadow:
    0 13px 34px rgba(67,27,34,.31),
    inset 0 2px 4px rgba(255,255,255,.25),
    inset 0 -5px 8px rgba(47,8,19,.28);
  transition:transform .22s ease;
}
.seal-button:active{transform:scale(.95)}
.seal-button svg{
  width:39px;
  height:39px;
  fill:none;
  stroke:#f7e7c8;
  stroke-width:1.8;
  stroke-linejoin:round;
}

/* Bottom sheet */
.menu-backdrop{
  position:fixed;
  inset:0;
  z-index:35;
  opacity:0;
  visibility:hidden;
  background:rgba(34,22,16,.29);
  backdrop-filter:blur(3px);
  -webkit-backdrop-filter:blur(3px);
  transition:opacity .28s ease,visibility .28s ease;
}
.menu-backdrop.open{opacity:1;visibility:visible}

.action-sheet{
  position:fixed;
  left:50%;
  bottom:0;
  z-index:40;
  width:min(100%,680px);
  padding:9px 16px calc(18px + env(safe-area-inset-bottom));
  border:1px solid rgba(177,138,67,.40);
  border-bottom:0;
  border-radius:28px 28px 0 0;
  background:rgba(255,250,242,.98);
  box-shadow:0 -16px 54px rgba(49,29,17,.20);
  transform:translate(-50%,105%);
  visibility:hidden;
  transition:
    transform .40s cubic-bezier(.22,.78,.18,1),
    visibility .40s;
}
.action-sheet.open{
  transform:translate(-50%,0);
  visibility:visible;
}
.sheet-handle{
  width:42px;
  height:4px;
  margin:0 auto 16px;
  border-radius:99px;
  background:rgba(73,68,61,.20);
}
.sheet-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  margin-bottom:15px;
}
.eyebrow{
  margin:0 0 5px;
  color:var(--gold);
  font-size:11px;
  letter-spacing:.13em;
  text-transform:uppercase;
}
.sheet-header h1,
.form-card h2{
  margin:0;
  color:var(--burgundy);
  font-size:22px;
  font-weight:500;
}
.round-close{
  flex:0 0 auto;
  width:40px;
  height:40px;
  border:0;
  border-radius:50%;
  background:#f1e5d3;
  color:#675b49;
  font-size:24px;
  line-height:1;
}
.action-list{display:grid;gap:9px}
.action-row{
  width:100%;
  min-height:72px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fffdf8;
  color:var(--ink);
  text-decoration:none;
  display:grid;
  grid-template-columns:46px 1fr 22px;
  align-items:center;
  gap:11px;
  text-align:left;
}
.action-icon{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:#f4ead8;
  color:var(--gold);
}
.action-icon svg{width:24px;height:24px}
.action-copy{display:flex;flex-direction:column;gap:4px}
.action-copy strong{
  color:var(--olive);
  font-size:15px;
  font-weight:600;
}
.action-copy small{color:#887b68;font-size:12px}
.chevron{color:var(--gold);font-size:25px}

/* Full-screen courtyard RSVP page */
.rsvp-page{
  position:fixed;
  inset:0;
  z-index:60;
  opacity:0;
  visibility:hidden;
  overflow:auto;
  background:#eadbc6;
  transition:opacity .38s ease,visibility .38s ease;
}
.rsvp-page.open{opacity:1;visibility:visible}
.courtyard-image{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.courtyard-shade{
  position:fixed;
  inset:0;
  background:
    linear-gradient(to bottom,rgba(32,18,11,.05),rgba(32,18,11,.14)),
    radial-gradient(circle at center,transparent 20%,rgba(36,20,13,.13) 100%);
}
.back-to-invite{
  border:1px solid rgba(255,250,239,.62);
  border-radius:999px;
  background:rgba(77,42,28,.46);
  color:#fffaf0;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.top-back{
  position:fixed;
  left:16px;
  top:calc(14px + env(safe-area-inset-top));
  z-index:4;
  min-height:42px;
  padding:0 15px;
}
.top-back span{font-size:19px;margin-right:4px}

.form-shell{
  position:relative;
  z-index:3;
  min-height:100svh;
  padding:
    calc(82px + env(safe-area-inset-top))
    18px
    calc(24px + env(safe-area-inset-bottom));
  display:grid;
  place-items:center;
  opacity:0;
  transform:translateY(16px);
  transition:opacity .42s ease .28s,transform .42s ease .28s;
}
.rsvp-page.open .form-shell{
  opacity:1;
  transform:none;
}
.form-card{
  position:relative;
  width:min(100%,520px);
  padding:34px 22px 24px;
  border:1px solid rgba(255,248,232,.56);
  border-radius:28px;
  background:rgba(255,250,242,.87);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.rsvp-close{
  position:absolute;
  right:15px;
  top:15px;
}
#rsvpForm>label{
  display:block;
  margin:24px 0 8px;
  color:#675c4c;
  font-size:12px;
  letter-spacing:.07em;
  text-transform:uppercase;
}
input[type=text]{
  width:100%;
  height:52px;
  padding:0 15px;
  border:1px solid rgba(177,138,67,.60);
  border-radius:15px;
  outline:none;
  background:rgba(255,253,248,.94);
  color:var(--ink);
}
input[type=text]:focus{
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(177,138,67,.13);
}
.attendance-options{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:14px;
}
.attendance-options label{position:relative}
.attendance-options input{
  position:absolute;
  opacity:0;
  pointer-events:none;
}
.attendance-options span{
  min-height:52px;
  padding:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(177,138,67,.60);
  border-radius:15px;
  background:rgba(255,253,248,.94);
  color:#645a4d;
  text-align:center;
}
.attendance-options input:checked+span{
  border-color:var(--burgundy);
  background:var(--burgundy);
  color:#fff;
}
.primary-button{
  width:100%;
  min-height:54px;
  margin-top:15px;
  border:0;
  border-radius:15px;
  background:var(--burgundy);
  color:#fff;
  letter-spacing:.06em;
}
.form-message{
  min-height:18px;
  margin:10px 0 0;
  color:#8d682f;
  font-size:12px;
  text-align:center;
}
.success-view{text-align:center}
.success-mark{
  width:64px;
  height:64px;
  margin:0 auto 17px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:#f4ead8;
  color:var(--burgundy);
  font-size:31px;
}

@media(min-width:760px){
  .invitation-image{min-height:auto}
  .seal-button{right:max(22px,calc((100vw - 760px)/2 + 22px))}
}
@media(max-width:420px){
  .attendance-options{grid-template-columns:1fr}
  .form-card{padding-left:18px;padding-right:18px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important}
}