/* Invitation Vivante — styles partagés */
@font-face{font-family:"Fraunces IV";src:url(fonts/fraunces.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Fraunces IV";src:url(fonts/fraunces-italic.woff2) format("woff2");font-weight:100 900;font-style:italic;font-display:swap}
@font-face{font-family:"Figtree IV";src:url(fonts/figtree.woff2) format("woff2");font-weight:300 900;font-style:normal;font-display:swap}
:root{
 --bg1:#24306b;--bg2:#0d1226;--card:#fffcf6;--paper:#f8f3ea;--ink:#161a33;--ink2:#535a78;--acc:#8a6516;--line:#e3d9c6;--gold1:#f0d79a;--gold2:#e2bd6b;
 --ok:#2f7d4f;--bad:#b3261e;--r:22px;
 --f-d:"Fraunces IV",Georgia,"Times New Roman",serif;--f-b:"Figtree IV",system-ui,-apple-system,"Segoe UI",sans-serif;
 color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 var(--f-b);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-d);font-optical-sizing:auto;margin:0;letter-spacing:-.015em;text-wrap:balance}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold2);outline-offset:3px;border-radius:8px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:720px;margin:0 auto;padding-inline:max(18px,env(safe-area-inset-left)) max(18px,env(safe-area-inset-right))}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 26px;border-radius:999px;font:700 17px/1.1 var(--f-b);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,opacity .2s;-webkit-tap-highlight-color:transparent;text-align:center}
.btn:active{transform:scale(.98)}
.btn[disabled],.btn.off{opacity:.45;cursor:not-allowed}
.btn-gold{background:linear-gradient(180deg,#f5e2ae,#e2bd6b);color:#2a1d05;box-shadow:0 14px 32px -16px rgba(226,189,107,.9)}
.btn-ink{background:var(--ink);color:#fff}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-sm{min-height:42px;padding:0 16px;font-size:15px}
.btn-block{display:flex;width:100%}
.btn .ic{width:20px;height:20px;flex:none}

/* champs */
.field{display:grid;gap:8px;margin:0 0 20px}
.field>label,.field>.lbl{font-weight:700;font-size:16px}
.field .help{font-size:14px;color:var(--ink2);margin-top:-2px}
.req{color:var(--acc);font-weight:800}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=date],input[type=time],input[type=url],select,textarea{
 width:100%;min-height:52px;padding:13px 15px;border:1.5px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);font:500 17px/1.3 var(--f-b);appearance:none;-webkit-appearance:none}
textarea{min-height:110px;resize:vertical;line-height:1.5}
select{background-image:linear-gradient(45deg,transparent 50%,var(--ink2) 50%),linear-gradient(135deg,var(--ink2) 50%,transparent 50%);background-position:calc(100% - 22px) 23px,calc(100% - 16px) 23px;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold2);box-shadow:0 0 0 4px color-mix(in srgb,var(--gold1) 45%,transparent)}
.field.err input,.field.err textarea,.field.err select,.field.err .choices{border-color:var(--bad)!important;box-shadow:0 0 0 4px rgba(179,38,30,.12)}
.field .msg{display:none;color:var(--bad);font-weight:700;font-size:14px}
.field.err .msg{display:block}

/* choix (boutons radio et cases) */
.choices{display:grid;gap:10px;border-radius:16px}
.choices.row{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
.opt{position:relative;display:flex;align-items:center;gap:12px;min-height:56px;padding:12px 16px;border:1.5px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;font-weight:600;transition:border-color .15s,background .15s}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt .mk{width:24px;height:24px;flex:none;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;transition:all .15s;background:#fff}
.opt input[type=checkbox]+.mk{border-radius:7px}
.opt input:checked+.mk{border-color:var(--ink);background:var(--ink)}
.opt input:checked+.mk::after{content:"";width:10px;height:6px;border:2.5px solid #fff;border-top:0;border-right:0;transform:translateY(-1px) rotate(-45deg)}
.opt:has(input:checked){border-color:var(--ink);background:color-mix(in srgb,var(--gold1) 22%,#fff)}
.opt:has(input:focus-visible){outline:3px solid var(--gold2);outline-offset:2px}
.check{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.45;cursor:pointer}
.check input{width:24px;height:24px;flex:none;margin:1px 0 0;accent-color:var(--ink)}

/* compteur + / - */
.stepper{display:flex;align-items:center;gap:0;border:1.5px solid var(--line);border-radius:16px;background:#fff;width:max-content}
.stepper button{width:56px;height:54px;border:0;background:none;font:700 24px/1 var(--f-b);cursor:pointer;color:var(--ink)}
.stepper button:disabled{opacity:.3}
.stepper output{min-width:56px;text-align:center;font:700 22px/1 var(--f-d)}

/* cartes */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:13px;font-weight:700;background:color-mix(in srgb,var(--gold1) 35%,#fff);color:var(--acc)}

/* message bref */
#iv-toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translate(-50%,30px);opacity:0;pointer-events:none;z-index:99;max-width:min(92vw,460px);padding:14px 18px;border-radius:16px;background:#161a33;color:#fff;font-weight:600;font-size:15px;box-shadow:0 20px 40px -20px rgba(0,0,0,.6);transition:all .3s ease;text-align:center}
#iv-toast.show{opacity:1;transform:translate(-50%,0)}
#iv-toast.bad{background:var(--bad)}
#iv-toast.good{background:var(--ok)}

/* chargement */
.spin{width:22px;height:22px;border-radius:50%;border:3px solid currentColor;border-right-color:transparent;animation:sp .8s linear infinite;display:inline-block;vertical-align:middle}
@keyframes sp{to{transform:rotate(360deg)}}
.skel{background:linear-gradient(90deg,rgba(0,0,0,.05),rgba(0,0,0,.1),rgba(0,0,0,.05));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px}
@keyframes sk{to{background-position:-200% 0}}