body.rsvp-active {
  overflow: auto;
  background: #f4f8fb;
}
.rsvp-page {
  min-height: 100svh;
  color: var(--ink);
  background: #f4f8fb;
  font-family: var(--sans);
}
.rsvp-header {
  position: absolute;
  z-index: 5;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 26px clamp(22px, 4vw, 64px);
  color: #f8fbfd;
}
.rsvp-header > img { width: 118px; height: auto; filter: brightness(0) invert(1); opacity: .9; }
.rsvp-header > div { display: flex; justify-content: flex-end; align-items: center; gap: 20px; }
.rsvp-header a, .rsvp-header button {
  border: 0;
  border-bottom: 1px solid currentColor;
  background: none;
  color: inherit;
  font: 600 8px/1.5 var(--sans);
  letter-spacing: .16em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}
.rsvp-monogram { justify-self: start; border: 0 !important; font: 400 18px/1 var(--serif) !important; letter-spacing: .04em !important; }
.rsvp-monogram i { color: #c9ddea; }
.rsvp-shell { min-height: 100svh; display: grid; grid-template-columns: minmax(320px, .92fr) minmax(460px, 1.08fr); }
.rsvp-portrait { position: sticky; top: 0; height: 100svh; overflow: hidden; margin: 0; background: #26394a; }
.rsvp-portrait::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,34,46,.16), rgba(18,34,46,.38)); }
.rsvp-portrait img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 58% center; filter: saturate(.76) contrast(.95) brightness(.86); }
.rsvp-portrait p {
  position: absolute;
  z-index: 1;
  right: 38px;
  bottom: 34px;
  left: 38px;
  margin: 0;
  color: rgba(250,252,253,.84);
  font: 400 9px/1.4 var(--hotel-body);
  letter-spacing: .2em;
  text-align: center;
}
.rsvp-portrait p i, .rsvp-portrait p span { color: #c9ddea; }
.rsvp-panel {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px clamp(34px, 7vw, 112px) 80px;
  background: linear-gradient(145deg, #f9fbfd 0%, #eef5fa 100%);
}
.rsvp-eyebrow { margin: 0 0 22px; color: var(--moss); font: 600 9px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; }
.rsvp-steps { display: flex; gap: 8px; margin-bottom: 42px; }
.rsvp-steps span { width: 38px; padding-bottom: 7px; border-bottom: 1px solid rgba(46,60,80,.2); color: rgba(46,60,80,.32); font: 600 8px/1 var(--sans); }
.rsvp-steps span.active, .rsvp-steps span.complete { border-color: var(--ink); color: var(--ink); }
.rsvp-form, .rsvp-done { width: min(100%, 620px); }
.rsvp-form h1, .rsvp-done h1 {
  margin: 0;
  color: var(--ink);
  font: 400 clamp(48px, 5.8vw, 82px)/1.02 var(--serif);
  letter-spacing: -.055em;
}
html[lang="ko"] .rsvp-form h1, html[lang="ko"] .rsvp-done h1 { font-size: clamp(42px, 5vw, 68px); line-height: 1.18; }
.rsvp-intro { margin: 28px 0 42px; color: rgba(46,60,80,.68); font: 400 15px/1.8 var(--serif); }
.rsvp-form label > span { display: block; margin-bottom: 10px; color: var(--moss); font: 600 9px/1.4 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.rsvp-form input[type="text"], .rsvp-form input:not([type]), .rsvp-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(46,60,80,.48);
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font: 400 18px/1.5 var(--serif);
}
.rsvp-form input[type="text"], .rsvp-form input:not([type]) { height: 54px; }
.rsvp-form textarea { min-height: 86px; padding: 12px 0; resize: vertical; }
.rsvp-form input:focus, .rsvp-form textarea:focus { border-color: var(--ink); }
.rsvp-form input::placeholder, .rsvp-form textarea::placeholder { color: rgba(46,60,80,.36); }
.rsvp-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 34px;
  padding: 19px 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #f8fbfd;
  font: 600 10px/1 var(--sans);
  letter-spacing: .13em;
  text-transform: uppercase;
  cursor: pointer;
}
.rsvp-submit b { color: #bfd4e5; font-size: 16px; font-weight: 400; }
.rsvp-submit:disabled { cursor: wait; opacity: .58; }
.rsvp-error { margin: 18px 0 0; color: #955560; font: 400 13px/1.65 var(--sans); }
.rsvp-found { margin: 0 0 12px; color: var(--moss); font: 600 9px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.rsvp-response h1 { font-size: clamp(36px, 4.1vw, 60px); }
html[lang="ko"] .rsvp-response h1 { font-size: clamp(34px, 3.8vw, 52px); }
.rsvp-existing { margin: 18px 0 0; color: rgba(46,60,80,.56); font: 400 12px/1.7 var(--sans); }
.attendance-options { display: grid; gap: 10px; margin: 36px 0 0; padding: 0; border: 0; }
.attendance-options label {
  display: grid;
  grid-template-columns: 1fr 20px;
  align-items: center;
  min-height: 64px;
  padding: 15px 18px;
  border: 1px solid rgba(46,60,80,.24);
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.attendance-options label.selected { border-color: var(--ink); background: rgba(255,255,255,.58); }
.attendance-options input { position: absolute; opacity: 0; pointer-events: none; }
.attendance-options label > span { margin: 0; color: var(--ink); font: 400 17px/1.4 var(--serif); letter-spacing: 0; text-transform: none; }
.attendance-options b { color: transparent; font: 400 14px/1 var(--sans); }
.attendance-options label.selected b { color: var(--moss); }
.rsvp-details { display: grid; gap: 28px; margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.plus-one-toggle { display: flex !important; align-items: center; gap: 12px; cursor: pointer; }
.plus-one-toggle input { width: 18px; height: 18px; accent-color: var(--ink); }
.plus-one-toggle span { margin: 0 !important; color: var(--ink) !important; font-size: 11px !important; }
.plus-one-fields { display: grid; gap: 26px; padding: 26px; background: rgba(255,255,255,.55); border: 1px solid rgba(46,60,80,.14); }
.no-plus-one { margin: 0; color: rgba(46,60,80,.56); font: 400 12px/1.7 var(--sans); }
.rsvp-done > span { display: block; margin-bottom: 28px; color: var(--moss); font: 400 48px/1 var(--serif); }
.rsvp-done p { max-width: 500px; margin: 28px 0 38px; color: rgba(46,60,80,.68); font: 400 16px/1.8 var(--serif); }
.rsvp-done button, .rsvp-done a { margin-right: 24px; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--ink); font: 600 9px/1.5 var(--sans); letter-spacing: .12em; text-decoration: none; text-transform: uppercase; cursor: pointer; }

@media (max-width: 800px) {
  .rsvp-header { position: fixed; grid-template-columns: 1fr auto; padding: 20px 22px; background: rgba(244,248,251,.92); color: var(--ink); backdrop-filter: blur(12px); }
  .rsvp-header > img { display: none; }
  .rsvp-header > div { gap: 14px; }
  .rsvp-shell { display: block; }
  .rsvp-portrait { position: relative; height: 36svh; min-height: 280px; }
  .rsvp-portrait p { right: 22px; bottom: 22px; left: 22px; }
  .rsvp-panel { min-height: 64svh; padding: 72px 22px 80px; }
  .rsvp-eyebrow { margin-top: 12px; }
  .rsvp-form h1, .rsvp-done h1 { font-size: clamp(48px, 15vw, 68px); }
  html[lang="ko"] .rsvp-form h1, html[lang="ko"] .rsvp-done h1 { font-size: clamp(38px, 11vw, 52px); }
  .rsvp-response h1, html[lang="ko"] .rsvp-response h1 { font-size: clamp(34px, 9vw, 44px); }
}

@media (prefers-reduced-motion: reduce) {
  .attendance-options label { transition: none; }
}