:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#163768;
  background:#eef6ff;
  --ice:#f8fcff;
  --blue:#315faa;
  --deep:#183c79;
  --lavender:#8f8fda;
  --line:#b9d6f4;
  --shadow:0 18px 50px rgba(25,64,126,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;background:linear-gradient(145deg,#edf7ff,#e8e9ff);color:#24385b}
header,footer{text-align:center;padding:1.15rem;background:linear-gradient(90deg,#d8edff,#e9e6ff);color:var(--deep)}
header{display:flex;align-items:center;justify-content:center;gap:.8rem;border-bottom:1px solid rgba(103,149,202,.25)}
header h1{margin:.05rem 0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.45rem,4vw,2.15rem);font-weight:600;letter-spacing:.02em}
.brand-mark{display:grid;place-items:center;width:2.6rem;height:2.6rem;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:rgba(255,255,255,.5);font-size:1.35rem;box-shadow:0 6px 18px rgba(46,95,160,.12)}
.brand-kicker,.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.17em;font-size:.68rem;font-weight:800;color:#5777ac}
main{max-width:960px;margin:2rem auto;padding:0 1rem;position:relative;z-index:1}
footer{font-family:Georgia,"Times New Roman",serif;font-style:italic}
.card{background:#fff;padding:1.3rem;border-radius:18px;box-shadow:0 8px 28px rgba(39,72,119,.12);margin:1rem 0;border:1px solid rgba(183,212,241,.65)}
.narrow{max-width:420px;margin:auto}.center{text-align:center}
h2{font-family:Georgia,"Times New Roman",serif;color:var(--deep);font-size:clamp(1.65rem,5vw,2.35rem);line-height:1.12;margin:.55rem 0 1rem}
p{line-height:1.6}.lead{font-size:1.02rem;color:#405d8d}
label{display:block;margin:.75rem 0}
input:not([type=radio]):not([type=hidden]),select,textarea{display:block;width:100%;padding:.76rem;margin-top:.35rem;border:1px solid #abcbe9;border-radius:10px;background:rgba(255,255,255,.86);color:#1d3d6d;font:inherit;outline:none}
input:focus,select:focus,textarea:focus{border-color:#648cd0;box-shadow:0 0 0 4px rgba(100,140,208,.16)}
button{background:linear-gradient(135deg,#4a79c8,#735fbe);color:#fff;border:0;border-radius:10px;padding:.78rem 1.1rem;cursor:pointer;font-weight:750;box-shadow:0 7px 18px rgba(53,89,159,.24)}
button:hover{filter:brightness(1.06);transform:translateY(-1px)}button:disabled{opacity:.45}.danger{background:#9d1c1c}.link{background:none;color:#315fa8;padding:.2rem;box-shadow:none}.inline{display:inline}
a{color:#315fa8}
.flash{padding:.8rem;border-radius:10px;margin:.7rem 0;background:rgba(255,255,255,.92);box-shadow:0 8px 20px rgba(30,63,117,.12)}.success{background:#e5f8ef}.error{background:#ffe7e7}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.7rem}.metric{background:#fff;padding:1rem;border-radius:12px;text-align:center}.metric b{font-size:1.7rem;display:block}.metric span{font-size:.85rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
table{width:100%;border-collapse:collapse}td,th{padding:.55rem;border-bottom:1px solid #dfebf7;text-align:left}pre{white-space:pre-wrap;background:#f2f7fd;padding:.8rem}.preview{border-top:1px solid #d8e6f3;padding:1rem 0}nav{display:flex;justify-content:flex-end;gap:1rem}fieldset{border:1px solid #b9d6f4;border-radius:14px;margin:1.1rem 0;padding:1rem}legend{padding:0 .5rem;color:#254d8d;font-weight:750}

/* Experiência pública inspirada no convite */
.mobile-art-hero{display:none}
.frozen-page{min-height:100vh;background-image:linear-gradient(180deg,rgba(14,43,93,.22),rgba(216,235,255,.28) 45%,rgba(232,242,255,.48)),url("convite-frozen.jpg");background-size:cover;background-position:center 24%;background-attachment:fixed}
.frozen-page header{background:linear-gradient(180deg,rgba(222,240,255,.91),rgba(227,236,255,.78));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:rgba(255,255,255,.62)}
.frozen-page main{max-width:760px;padding-top:.5rem;padding-bottom:3rem}
.frozen-page footer{background:rgba(229,240,255,.84);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.frozen-card{background:linear-gradient(145deg,rgba(251,254,255,.94),rgba(235,244,255,.89));border:1px solid rgba(255,255,255,.9);box-shadow:0 24px 65px rgba(21,57,117,.3),inset 0 1px 0 #fff;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:clamp(1.35rem,5vw,2.7rem);position:relative;overflow:hidden}
.frozen-card::before,.frozen-card::after{content:"❄";position:absolute;color:rgba(89,135,204,.11);font-size:8rem;line-height:1;pointer-events:none}.frozen-card::before{top:-2.4rem;left:-2.2rem;transform:rotate(18deg)}.frozen-card::after{right:-2.4rem;bottom:-2.6rem;transform:rotate(-16deg)}
.frozen-card>*{position:relative;z-index:1}
.snow-crown{color:#7c9ed0;letter-spacing:.45em;font-size:1.1rem;text-shadow:0 1px 0 #fff;margin-bottom:.75rem}
.frozen-welcome{max-width:660px;margin:clamp(2rem,8vh,6rem) auto}
.frozen-welcome h2{max-width:530px;margin:.65rem auto 1rem}
.event-details{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin:1.7rem 0}
.event-details>div{display:flex;flex-direction:column;align-items:center;gap:.25rem;background:rgba(255,255,255,.58);border:1px solid rgba(153,191,229,.58);border-radius:15px;padding:1rem .6rem;color:#315f9e}
.event-details>div>span{font-size:1.3rem}.event-details small{text-transform:uppercase;letter-spacing:.08em;font-size:.64rem;color:#6682ae}.event-details strong{font-family:Georgia,"Times New Roman",serif;font-size:.93rem;color:#214a86}
.invitation-note{max-width:470px;margin:1.5rem auto .5rem}.admin-link{font-size:.78rem;color:#607ba5;text-decoration:none;border-bottom:1px solid currentColor}
.button-link{display:inline-block;background:linear-gradient(135deg,#4a79c8,#735fbe);color:#fff;text-decoration:none;font-weight:750;padding:.85rem 1.15rem;border-radius:12px;box-shadow:0 7px 18px rgba(53,89,159,.24)}.button-link:hover{filter:brightness(1.06);transform:translateY(-1px)}
.returning-guest{margin:1.4rem auto .6rem;padding:1rem;border:1px solid rgba(126,166,215,.55);border-radius:15px;background:rgba(222,237,255,.68)}.returning-guest p{margin:.1rem 0 .8rem}
.thank-you-card{max-width:640px;margin:clamp(2rem,8vh,6rem) auto}.thank-you-details{margin:1.4rem auto;padding:1rem;border-top:1px solid rgba(132,172,217,.45);border-bottom:1px solid rgba(132,172,217,.45)}.thank-you-details p{margin:.2rem}.saved-note{max-width:500px;margin:1.2rem auto;color:#5d759b;font-size:.88rem}.quiet-link{color:#5b7399;font-size:.86rem}
.rsvp-card{max-width:690px;margin:1.5rem auto}.rsvp-card>.lead{max-width:530px;margin-left:auto;margin-right:auto}
.attendance-options{display:grid;gap:.65rem}.choice{display:flex;align-items:center;gap:.8rem;margin:0;padding:.85rem 1rem;border:1px solid rgba(151,188,225,.7);border-radius:13px;background:rgba(255,255,255,.58);cursor:pointer;transition:.18s ease}.choice:hover{background:rgba(255,255,255,.85);border-color:#7fa8dc}.choice:has(input:checked){border-color:#5f84c8;background:rgba(220,235,255,.9);box-shadow:0 0 0 3px rgba(92,132,198,.12)}.choice input{accent-color:#547cc2;width:1.1rem;height:1.1rem;flex:0 0 auto}.choice span{display:flex;flex-direction:column;gap:.15rem}.choice small{color:#60789d}.field-hint{font-size:.86rem;color:#647b9c;margin:.1rem 0}.age-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}.age-grid label{margin:.3rem 0;font-size:.86rem;font-weight:700;color:#355b94}.age-grid input{text-align:center;font-size:1.05rem}.primary-action{width:100%;font-size:1rem;padding:.95rem;border-radius:13px}

@media(max-width:640px){
  header{padding:.85rem}.brand-mark{width:2.3rem;height:2.3rem}.brand-kicker{font-size:.58rem}header h1{font-size:1.4rem}
  .frozen-page{background-image:linear-gradient(180deg,#dcebff,#f4f8ff 48%,#e8efff);background-attachment:scroll}
  .mobile-art-hero{display:block;width:100%;margin:0 auto;background:linear-gradient(180deg,#d4eaff,#eef5ff);position:relative}
  .mobile-art-hero img{display:block;width:100%;border:1px solid rgba(255,255,255,.9);box-shadow:0 16px 38px rgba(29,62,119,.24)}
  .mobile-art-hero--full{max-width:460px;padding:.65rem .65rem .8rem;text-align:center}
  .mobile-art-hero--full img{height:auto;border-radius:0 0 24px 24px}
  .hero-scroll{display:inline-flex;align-items:center;gap:.45rem;margin:.75rem auto 0;padding:.62rem 1rem;border-radius:999px;background:rgba(255,255,255,.86);color:#315f9e;text-decoration:none;font-weight:750;font-size:.86rem;box-shadow:0 6px 18px rgba(32,73,136,.13)}
  .mobile-art-hero--peek{height:235px;padding:.65rem;overflow:hidden}
  .mobile-art-hero--peek img{height:100%;object-fit:cover;object-position:34% 36%;border-radius:18px}
  main{margin:.7rem auto;padding:0 .8rem}.frozen-page main{padding-top:0;padding-bottom:1.5rem}
  .frozen-card{border-radius:20px;padding:1.35rem 1rem;background:linear-gradient(145deg,rgba(251,254,255,.97),rgba(235,244,255,.95))}.frozen-welcome,.rsvp-card,.thank-you-card{margin:.75rem auto}
  .event-details{grid-template-columns:1fr;gap:.55rem}.event-details>div{display:grid;grid-template-columns:2rem 1fr;text-align:left;justify-items:start;align-items:center;padding:.75rem 1rem}.event-details>div>span{grid-row:1/3}.event-details small,.event-details strong{grid-column:2}
  .age-grid{grid-template-columns:1fr}.age-grid label{display:grid;grid-template-columns:1fr 6rem;align-items:center;gap:.7rem}.age-grid input{margin:0}
  table{font-size:.82rem}td,th{padding:.42rem}.grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}