.rsvp-page{background:linear-gradient(135deg,#ead4b3,var(--paper))}
.rsvp-nav{position:absolute}
.back-link{display:grid;place-items:center;padding:0 16px;border-radius:8px;background:rgba(255,248,236,.72);color:var(--sepia);text-decoration:none;font-weight:900}
.back-link:hover{background:var(--mustard);transform:translateY(-2px)}
.rsvp-main{min-height:100svh;display:grid;grid-template-columns:minmax(320px,.82fr) minmax(420px,1.18fr)}
.rsvp-art{position:sticky;top:0;height:100svh;background:center/cover no-repeat var(--terracotta);box-shadow:inset -80px 0 120px rgba(81,54,37,.18)}
.rsvp-art:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(81,54,37,.08),rgba(81,54,37,.5)),repeating-linear-gradient(0deg,rgba(255,248,236,.08) 0 1px,transparent 1px 5px)}
.rsvp-panel{padding:130px max(28px,6vw) 72px;background:rgba(255,248,236,.88);backdrop-filter:blur(14px)}
.rsvp-header{max-width:720px}
.rsvp-header h1{margin:14px 0 10px;font:700 clamp(4.2rem,10vw,8.5rem)/.82 var(--display);color:var(--sepia)}
.rsvp-header p:not(.eyebrow){color:var(--muted);line-height:1.8}
.rsvp-header>b{display:inline-flex;margin-top:8px;padding:9px 14px;border-radius:4px;background:#ead4b3;color:var(--sepia);font:700 .78rem var(--stamp);letter-spacing:.08em;text-transform:uppercase}
.form-card,.summary-card{max-width:760px;margin-top:34px;padding:clamp(22px,5vw,48px);border:1px solid rgba(81,54,37,.16);border-radius:10px;background:rgba(255,248,236,.88);box-shadow:var(--shadow)}
.field{margin:18px 0}
.field label,fieldset legend{display:block;margin-bottom:8px;color:var(--sepia);font-size:.76rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.field input,.field select,.guest-row input{width:100%;min-height:52px;padding:11px 13px;border:1px solid rgba(81,54,37,.22);border-radius:7px;background:var(--ivory);color:var(--ink);transition:box-shadow .2s,border-color .2s,transform .2s}
.field input:focus,.field select:focus,.guest-row input:focus{border-color:var(--terracotta);box-shadow:0 0 0 5px rgba(169,86,54,.16);outline:0;transform:translateY(-1px)}
.phone-row{display:grid;grid-template-columns:104px 1fr;gap:9px}
fieldset{margin:30px 0;padding:0;border:0}
.select-all{display:inline-flex;align-items:center;gap:9px;padding:0 15px;border:0;border-radius:7px;background:var(--sepia);color:var(--ivory);font-weight:900;box-shadow:0 14px 32px rgba(81,54,37,.14)}
.select-all i{width:18px;height:18px;border-radius:50%;background:var(--ivory);box-shadow:inset 0 0 0 2px rgba(81,54,37,.22)}
.select-all.selected{background:var(--terracotta)}
.select-all.selected i{background:var(--mustard)}
.rsvp-events{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.event-option{position:relative;display:grid;grid-template-columns:78px 1fr 22px;align-items:center;gap:12px;min-height:92px;padding:9px 12px 9px 9px;border:1px solid rgba(81,54,37,.18);border-radius:10px;background:linear-gradient(145deg,var(--ivory),#ead4b3);cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s}
.event-option:hover,.event-option.selected{transform:translateY(-4px);box-shadow:0 18px 42px rgba(81,54,37,.13)}
.event-option.selected{background:linear-gradient(145deg,#fff8ec,#e6c494);border-color:rgba(169,86,54,.45)}
.event-option input{position:absolute;opacity:0}
.event-option img{width:72px;height:72px;border-radius:7px;object-fit:cover;border:4px solid var(--ivory)}
.event-option strong,.event-option small{display:block}
.event-option strong{font-family:var(--display);font-size:1rem;line-height:1.08}
.event-option small{margin-top:5px;color:var(--muted);font-size:.72rem}
.check-dot{width:18px;height:18px;border-radius:50%;border:2px solid rgba(81,54,37,.35)}
.event-option.selected .check-dot{border-color:var(--terracotta);background:var(--terracotta);box-shadow:inset 0 0 0 4px var(--ivory)}
.guest-row{display:grid;grid-template-columns:86px 1fr;align-items:center;gap:10px;margin:9px 0}
.guest-row label{font-size:.78rem;font-weight:800}
.optional{padding-top:16px;border-top:1px dashed rgba(81,54,37,.32)}
.field-error,#form-status{color:var(--terracotta);font-weight:800}
.invalid input{animation:shake .28s;border-color:var(--terracotta)}
.submit{width:100%;margin-top:12px;background:var(--sepia);color:var(--ivory);border:0}
.submit:hover,.submit:focus-visible{background:var(--terracotta)}
.submit.loading i{width:18px;height:18px;margin-left:9px;border:3px solid var(--ivory);border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
.cancel{width:100%;margin-top:14px;border:0;background:transparent;color:var(--sepia);font-weight:900;text-decoration:underline;text-underline-offset:5px}
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.summary-grid p{margin:0;padding:14px;border:1px solid rgba(81,54,37,.18);border-radius:8px;background:#ead4b3}
.summary-grid span,.summary-grid b{display:block}
.summary-grid span{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}
.summary-events{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.summary-events span{padding:8px 11px;border-radius:6px;background:var(--mustard);font-weight:900}
.summary-actions{display:flex;gap:12px}
.outline{background:transparent;color:var(--sepia);border:1px solid rgba(81,54,37,.25)}
.modal,.success{position:fixed;z-index:1200;inset:0;display:grid;place-items:center;padding:20px;background:rgba(45,36,28,.74);backdrop-filter:blur(14px)}
.modal[hidden],.success[hidden]{display:none}
.modal section,.success>div{width:min(480px,100%);padding:35px;text-align:center;border-radius:12px;background:var(--ivory);box-shadow:0 35px 90px rgba(0,0,0,.28)}
.modal section>span,.success>div>span{display:inline-grid;place-items:center;min-height:44px;padding:0 12px;border-radius:6px;background:#ead4b3;color:var(--sepia);font:700 .72rem var(--stamp);letter-spacing:.08em;text-transform:uppercase}
.modal h2,.success h2{font:700 2.2rem/1 var(--display);margin:18px 0 8px}
.modal section>div{display:flex;gap:10px;justify-content:center}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:860px){
  .rsvp-main{display:block}
  .rsvp-art{position:relative;height:42svh;min-height:310px}
  .rsvp-panel{padding:78px 20px 64px}
  .rsvp-nav{top:10px}
  .rsvp-events{grid-template-columns:1fr}
  .summary-grid{grid-template-columns:1fr}
  .summary-actions{display:grid}
  .modal section>div{display:grid}
}
@media(max-width:520px){
  .phone-row{grid-template-columns:92px 1fr}
  .form-card,.summary-card{padding:20px;border-radius:10px}
  .event-option{grid-template-columns:70px 1fr 18px}
  .event-option img{width:64px;height:64px}
}