.rsvp-body{min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;padding:28px 16px calc(28px + env(safe-area-inset-bottom));background:radial-gradient(ellipse at 50% 0%,var(--sand) 0%,var(--ivory) 60%)}.rsvp-frame{position:relative;width:100%;max-width:460px;flex:0 1 460px;min-width:0}.rsvp-frame:before,.rsvp-frame:after{content:"";position:absolute;width:120px;height:120px;background:radial-gradient(circle at 20% 20%,rgba(110,30,40,.16),transparent 62%);pointer-events:none;z-index:0}.rsvp-frame:before{top:-18px;right:-18px}.rsvp-frame:after{bottom:-18px;left:-18px;transform:rotate(180deg)}.rsvp-card{position:relative;z-index:1;background:#f3ebe0eb;border:1px solid rgba(176,141,87,.45);border-radius:20px;padding:20px 22px 28px;box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.rsvp-arch{position:relative;height:92px;margin:6px auto 8px;width:84px;border:1.5px solid var(--gold);border-radius:50% 50% 6px 6px/62% 62% 6px 6px;border-bottom:none;display:flex;align-items:center;justify-content:center}.rsvp-monogram{font-family:var(--font-display-ar);font-size:1.9rem;color:var(--gold-deep);margin-top:14px}.rsvp-title{font-family:var(--font-display-ar);font-size:clamp(1.7rem,7vw,2.2rem);color:var(--burgundy);text-align:center;margin:4px 0 6px}.rsvp-sub{font-family:var(--font-body-ar);font-size:.95rem;color:var(--brown);text-align:center;opacity:.8;margin:0 0 24px}.field{margin-bottom:18px}.field label{display:block;font-family:var(--font-body-ar);font-size:.95rem;font-weight:500;color:var(--brown);margin-bottom:8px}.field input[type=text],.field input[type=tel],.field input[type=number]{width:100%;padding:13px 15px;font-family:var(--font-body-ar);font-size:1rem;color:var(--brown);background:#fff;border:1.5px solid rgba(176,141,87,.4);border-radius:12px;transition:border-color .2s,box-shadow .2s}.field input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px #b08d572e}.field.has-error input{border-color:var(--burgundy-3)}.field.has-error .field__error{display:block}.field__error{display:none;font-size:.82rem;color:var(--burgundy-3);margin-top:6px}#guestsField{overflow:hidden;transition:max-height .35s var(--ease-elegant),opacity .3s,margin .3s;max-height:120px}#guestsField.is-hidden{max-height:0;opacity:0;margin-bottom:0;pointer-events:none}.radio-row{display:flex;gap:12px}.radio-pill{flex:1;position:relative;display:flex;align-items:center;justify-content:center;padding:12px;border:1.5px solid rgba(176,141,87,.4);border-radius:12px;cursor:pointer;font-family:var(--font-body-ar);font-size:1rem;color:var(--brown);background:#fff;transition:all .2s var(--ease-elegant)}.radio-pill input{position:absolute;opacity:0;top:0;right:0;bottom:0;left:0;cursor:pointer}.radio-pill:has(input:checked){background:linear-gradient(135deg,var(--gold),var(--gold-deep));border-color:var(--gold-deep);color:#fff;box-shadow:0 6px 16px #b08d574d}.rsvp-submit{width:100%;margin-top:6px;position:relative}.rsvp-submit.is-loading{pointer-events:none;opacity:.85}.rsvp-submit.is-loading .rsvp-submit__label{visibility:hidden}.rsvp-submit__spinner{display:none;position:absolute;width:20px;height:20px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.rsvp-submit.is-loading .rsvp-submit__spinner{display:block}.rsvp-back{display:block;text-align:center;margin-top:18px;font-family:var(--font-body-ar);font-size:.9rem;color:var(--gold-deep);text-decoration:none;border-bottom:1px dashed transparent;width:fit-content;margin-inline:auto}.rsvp-back:hover{border-bottom-color:var(--gold)}.rsvp-thanks{text-align:center;padding:30px 10px 20px;animation:fadeUp .6s var(--ease-elegant)}.rsvp-thanks__glyph{font-size:3rem;margin-bottom:8px}.rsvp-thanks__title{font-family:var(--font-display-ar);font-size:2rem;color:var(--burgundy);margin:0 0 8px}.rsvp-thanks__text{font-family:var(--font-body-ar);font-size:1.05rem;color:var(--brown);opacity:.85;margin:0 0 26px}.rsvp-back-btn{display:inline-flex}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: reduce){.rsvp-thanks,.rsvp-submit__spinner{animation:none}}