/* Soumission : l'expérience constellation. Nuit en mer, chaque réponse devient une étoile, le projet finit en voile. */
body.night{background:#060D17;color:#EEF1F4}
body.night .hd{background:rgba(6,13,23,.55);border-bottom-color:rgba(255,255,255,.08)}
body.night .hd.sc{border-bottom-color:rgba(255,255,255,.1)}
body.night .brand,body.night .menu a{color:#DCE2E8}
body.night .brand .wm span{color:#8E99A5}
body.night .brand svg path:first-child{fill:#EEF1F4}
body.night .brand svg path:last-child{stroke:#EEF1F4}
body.night .menu a:hover,body.night .menu a[aria-current="page"]{background:rgba(255,255,255,.08);color:#fff}
body.night .hd .btn{background:#EEF1F4;color:#0D1117;border-color:#EEF1F4}
body.night .burger{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
body.night .burger i,body.night .burger i:before,body.night .burger i:after{background:#EEF1F4}
body.night .ft{background:var(--paper);color:var(--ink)}

.cx{position:relative;min-height:calc(100svh - 76px);overflow:hidden;isolation:isolate}
.cx .photo{position:absolute;inset:0;background:#060D17 url(img/nuit.jpg) center 62%/cover no-repeat;background-image:image-set(url(img/nuit.avif) type("image/avif"),url(img/nuit.webp) type("image/webp"),url(img/nuit.jpg) type("image/jpeg"));z-index:-3;transform:scale(1.04);transition:transform 8s ease}
.cx .veil{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(6,13,23,.88) 0%,rgba(6,13,23,.55) 42%,rgba(6,13,23,.05) 75%),linear-gradient(0deg,rgba(6,13,23,.75),transparent 35%)}
.cx canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;display:block}
.cx .inner{display:grid;grid-template-columns:minmax(0,560px) 1fr;gap:40px;min-height:calc(100svh - 76px);padding-block:clamp(36px,6vh,72px);align-items:center}
@media (max-width:900px){
  .cx .inner{grid-template-columns:1fr;align-items:start;padding-top:calc(46svh - 40px)}
  .cx .veil{background:linear-gradient(180deg,rgba(6,13,23,.1) 0%,rgba(6,13,23,.35) 34%,rgba(6,13,23,.92) 52%)}
  .cx .photo{background-position:70% 30%}
}

/* Barre du haut : étoiles d'étapes et estimation */
.cx .bar{position:absolute;top:22px;left:0;right:0;z-index:2}
.cx .bar .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px}
.pips{display:flex;gap:14px;align-items:center}
.pips i{width:9px;height:9px;transform:rotate(45deg);border:1px solid rgba(238,241,244,.4);transition:all .5s}
.pips i.on{background:#C9A15B;border-color:#C9A15B;box-shadow:0 0 14px rgba(201,161,91,.8)}
.pips span{font:500 13px var(--f);color:#A9B4BF;margin-left:6px;font-variant-numeric:tabular-nums}
.meter{text-align:right}
.meter small{display:block;font:500 12px var(--f);letter-spacing:.08em;text-transform:uppercase;color:#8E99A5}
.meter b{font:500 clamp(26px,3vw,38px)/1.1 var(--f);letter-spacing:-.04em;color:#EEF1F4;font-variant-numeric:tabular-nums}
.meter em{font-style:normal;color:#C9A15B;font-size:.55em;margin-left:6px;letter-spacing:0}

/* Carte de question */
.qcard{position:relative;z-index:2;margin-top:40px}
.qcard .kick{font:500 13px var(--f);letter-spacing:.06em;color:#C9A15B;display:flex;gap:10px;align-items:center}
.qcard .kick:before{content:"";width:22px;height:1px;background:#C9A15B}
.qcard h1,.qcard h2{font:500 clamp(36px,4.6vw,64px)/1.02 var(--f);letter-spacing:-.045em;margin:18px 0 14px;color:#fff}
.qcard h2 .serif{color:#E3C78F}
.qcard .sub{color:#A9B4BF;font-size:17px;margin:0 0 30px;max-width:44ch}
.st{display:none}
.st.on{display:block;animation:stIn .7s cubic-bezier(.2,.8,.2,1)}
.st.out{display:block;animation:stOut .35s ease forwards}
@keyframes stIn{from{opacity:0;transform:translateY(22px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
@keyframes stOut{to{opacity:0;transform:translateY(-14px);filter:blur(4px)}}

.inp{display:grid;gap:8px;margin-bottom:14px}
.inp label{font:500 13px var(--f);color:#A9B4BF}
.inp input,.inp select,.inp textarea{width:100%;height:58px;border-radius:14px;border:1px solid rgba(238,241,244,.18);background:rgba(10,20,34,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;padding:0 18px;font:400 17px var(--f);transition:border-color .25s,background .25s}
.inp textarea{height:96px;padding:14px 18px;resize:vertical}
.inp select option{background:#0B1726}
.inp input::placeholder{color:#6F7B88}
.inp input:focus,.inp select:focus,.inp textarea:focus{outline:none;border-color:#C9A15B;background:rgba(10,20,34,.75)}
.inp.big input{height:72px;font-size:24px;letter-spacing:-.02em}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.duo{grid-template-columns:1fr}}

.chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (max-width:520px){.chips{grid-template-columns:1fr}}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip label{display:flex;align-items:center;gap:14px;min-height:64px;padding:14px 18px;border-radius:16px;border:1px solid rgba(238,241,244,.16);background:rgba(10,20,34,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);cursor:pointer;font:500 16px var(--f);color:#EEF1F4;transition:border-color .25s,background .25s,transform .25s}
.chip label small{display:block;font:400 13.5px var(--f);color:#8E99A5;margin-top:2px}
.chip label .s{width:16px;height:16px;flex:none;transform:rotate(45deg);border:1px solid rgba(238,241,244,.45);transition:all .3s}
.chip label .pp{margin-left:auto;font:500 13.5px var(--f);color:#8E99A5;white-space:nowrap}
.chip label:hover{border-color:rgba(238,241,244,.4);transform:translateY(-1px)}
.chip input:checked+label{border-color:#C9A15B;background:rgba(201,161,91,.12)}
.chip input:checked+label .s{background:#C9A15B;border-color:#C9A15B;box-shadow:0 0 16px rgba(201,161,91,.9)}
.chip input:checked+label .pp{color:#E3C78F}
.chip input:focus-visible+label{outline:2px solid #C9A15B;outline-offset:2px}

.slider{margin-top:22px;padding:18px 20px;border-radius:16px;border:1px solid rgba(238,241,244,.16);background:rgba(10,20,34,.5)}
.slider .t{display:flex;justify-content:space-between;align-items:baseline}
.slider label{font:500 14px var(--f);color:#A9B4BF}
.slider output{font:500 34px var(--f);letter-spacing:-.04em;color:#fff}
.slider input{-webkit-appearance:none;appearance:none;width:100%;height:2px;background:rgba(238,241,244,.2);margin-top:12px}
.slider input::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;transform:rotate(45deg);background:#C9A15B;border:0;box-shadow:0 0 14px rgba(201,161,91,.8);cursor:pointer}
.slider input::-moz-range-thumb{width:18px;height:18px;background:#C9A15B;border:0;cursor:pointer}

.nav2[hidden]{display:none}
.nav2{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:30px}
.nav2 .back{background:none;border:0;color:#8E99A5;font:500 15px var(--f);cursor:pointer;padding:10px 0}
.nav2 .back[disabled]{visibility:hidden}
.nav2 .go{display:inline-flex;align-items:center;gap:12px;height:56px;padding:0 26px;border-radius:999px;border:0;background:#EEF1F4;color:#0D1117;font:500 16px var(--f);cursor:pointer;transition:transform .25s,background .25s,box-shadow .25s}
.nav2 .go:hover{transform:translateY(-1px);box-shadow:0 0 0 6px rgba(238,241,244,.08)}
.nav2 .go[disabled]{opacity:.5;cursor:default}
.nav2 .hint{font-size:13px;color:#6F7B88}
.err2{color:#F2A08F;font-size:14.5px;min-height:1.4em;margin-top:12px}

/* Révélation */
.rev{border-radius:20px;border:1px solid rgba(201,161,91,.5);background:linear-gradient(160deg,rgba(201,161,91,.14),rgba(10,20,34,.6));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:24px}
.rev .k{font:500 12px var(--f);letter-spacing:.1em;text-transform:uppercase;color:#C9A15B}
.rev .n{font:500 32px/1.05 var(--f);letter-spacing:-.04em;margin-top:8px}
.rev .n .serif{color:#E3C78F}
.rev .p{font:500 46px/1 var(--f);letter-spacing:-.05em;margin-top:14px;font-variant-numeric:tabular-nums}
.rev .t{color:#A9B4BF;font-size:14px;margin-top:6px}
.rev ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px;font-size:15px;color:#DCE2E8}
.rev li{display:grid;grid-template-columns:16px 1fr;gap:8px}
.rev li:before{content:"";width:7px;height:7px;transform:rotate(45deg);background:#C9A15B;margin-top:8px}
.tick{display:flex;gap:12px;align-items:flex-start;margin:18px 0 22px;font-size:15px;color:#DCE2E8;cursor:pointer}
.tick input{width:20px;height:20px;accent-color:#C9A15B;flex:none;margin-top:1px}

/* Nom de la constellation dans le ciel */
.cname{position:absolute;z-index:1;right:max(24px,6vw);bottom:clamp(30px,8vh,90px);text-align:right;pointer-events:none;opacity:0;transform:translateY(10px);transition:opacity 1s,transform 1s}
.cname.on{opacity:1;transform:none}
.cname small{display:block;font:500 12px var(--f);letter-spacing:.14em;text-transform:uppercase;color:#C9A15B}
.cname b{display:block;font:400 clamp(30px,4vw,56px)/1 var(--s);font-style:italic;color:#fff;margin-top:8px;text-shadow:0 0 30px rgba(6,13,23,.8)}
@media (max-width:900px){.cname{top:calc(36svh);bottom:auto;right:24px}.cname b{font-size:28px}}

.fin{text-align:left}
.fin h2{font-size:clamp(40px,5.4vw,76px)}

/* Étoile filante */
.flare{position:fixed;z-index:80;width:180px;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,#fff);pointer-events:none}
@media (prefers-reduced-motion:reduce){.st.on,.st.out{animation:none}.cx .photo{transition:none}}

.legal{font-size:13px;color:#8E99A5;margin:4px 0 0}
.legal a{color:#DCE2E8;display:inline-block;padding-block:12px}
.inp input[aria-invalid="true"]{border-color:#F2A08F}
.nav2 .back{min-height:44px}