:root{
  --frost:#F2F8FB; --frost-2:#E3F0F5; --frost-3:#C9E3EE; --sheet:#FBFDFE;
  --glacier:#2F93BD; --glacier-light:#8ED6EC; --deep:#11557A; --abyss:#0A2E45;
  --ink:#081827; --graphite:#45596A; --hair:#BCD2DC;
  --stamp:#D62718; --void:#0F7A55;
  --display:"Archivo", "Arial Black", "Segoe UI", sans-serif;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --mono:"Martian Mono", ui-monospace, Consolas, monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--serif);font-size:18px;line-height:1.55;
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(142,214,236,.35), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(201,227,238,.6), transparent 60%),
    var(--frost);
  background-attachment:fixed}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.55;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .78 0 0 0 0 .88 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23f)'/%3E%3C/svg%3E")}
body>*{position:relative;z-index:1}
::selection{background:var(--glacier-light)}
a{color:inherit}
p{margin:0}
h1,h2,h3{margin:0;font-family:var(--display);font-weight:800;font-stretch:125%;text-transform:uppercase;line-height:.98;letter-spacing:-.01em;text-wrap:balance}
.lab{font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.14em;color:var(--graphite)}
.mark{background:linear-gradient(transparent 55%,var(--glacier-light) 55%,var(--glacier-light) 92%,transparent 92%);padding:0 .1em}
:focus-visible{outline:3px solid var(--glacier);outline-offset:3px}
.shell{max-width:1320px;margin:0 auto;padding-inline:24px}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(8,24,39,.14);
  background:rgba(242,248,251,.72);-webkit-backdrop-filter:blur(16px) saturate(1.5);backdrop-filter:blur(16px) saturate(1.5)}
.top .shell{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand svg{width:34px;height:34px;flex:none}
.brand b{font-family:var(--display);font-weight:800;font-stretch:125%;font-size:1.02rem;letter-spacing:.03em;white-space:nowrap}
.brand b span{color:var(--glacier)}
.top .motto{font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--graphite);display:none}
.write{font-family:var(--mono);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;text-decoration:none;background:var(--ink);color:var(--frost);padding:12px 16px;white-space:nowrap}
.write:hover{background:var(--deep)}
@media (min-width:980px){.top .motto{display:inline}}

/* ---------- hero ---------- */
.hero{border-bottom:1px solid var(--ink)}
.hero .shell{display:grid;grid-template-columns:220px minmax(0,1fr) minmax(0,.82fr);gap:0}
.memo{border-right:1px solid var(--hair);padding:40px 22px 40px 0;display:grid;align-content:start;gap:18px}
.memo div{display:grid;gap:3px}
.memo b{font-family:var(--mono);font-size:.72rem;font-weight:500}
.stage{padding:40px 32px 60px 44px}
.notice-line{display:flex;flex-wrap:wrap;gap:6px 18px}
.amount{position:relative;display:inline-block;margin-top:30px;font-family:var(--display);font-weight:900;font-stretch:100%;font-size:clamp(6.5rem,15vw,13.5rem);line-height:.8;letter-spacing:-.03em;color:var(--ink)}
.amount .strike{position:absolute;left:-3%;right:-3%;top:47%;height:.07em;background:var(--stamp);transform-origin:left center;transform:rotate(-4deg);animation:strike .7s cubic-bezier(.7,0,.2,1) .5s both}
.stampbox{position:absolute;right:-.35em;top:-.28em;font-family:var(--mono);font-weight:700;font-size:clamp(.85rem,1.8vw,1.25rem);letter-spacing:.18em;color:var(--void);border:.2em double var(--void);padding:.35em .7em;transform:rotate(-11deg);background:rgba(251,253,254,.75);animation:thump .45s cubic-bezier(.2,1.6,.4,1) 1.15s both;white-space:nowrap}
@keyframes strike{from{transform:rotate(-4deg) scaleX(0)}to{transform:rotate(-4deg) scaleX(1)}}
@keyframes thump{from{opacity:0;transform:rotate(-11deg) scale(2.2)}to{opacity:1;transform:rotate(-11deg) scale(1)}}
.hero h1{font-size:clamp(2.1rem,3.9vw,3.7rem);margin-top:34px;max-width:14ch}
.hero .lede{margin-top:24px;max-width:54ch;font-size:1.16rem;color:#1d2f3f}
.hero .lede em{font-style:italic}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:32px}
.btn{font-family:var(--mono);font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;text-decoration:none;padding:17px 22px;border:1.5px solid var(--ink);display:inline-flex;gap:12px;align-items:center}
.btn-ice{background:var(--ink);color:var(--frost);box-shadow:0 10px 30px -12px rgba(17,85,122,.8);transition:background .15s,transform .15s}
.btn-ice:hover{background:var(--deep);transform:translateY(-1px)}
.btn-o{background:rgba(255,255,255,.4)}
.btn-o:hover{background:var(--ink);color:var(--frost)}

/* evidence panel with the 3D ice */
.evidence{border-left:1px solid var(--hair);padding:40px 0 40px 28px;display:grid;align-content:start;gap:12px}
.evidence .frame{position:relative;aspect-ratio:4/5;max-width:100%;border:1px solid var(--ink);overflow:hidden;
  background:linear-gradient(180deg,#EEF7FA 0%,#D5EAF2 100%)}
.evidence canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.evidence .fallback{position:absolute;inset:0;display:grid;place-items:center}
.evidence .fallback svg{width:58%;height:auto;filter:drop-shadow(0 30px 40px rgba(17,85,122,.35))}
.evidence .frame.live .fallback{opacity:0;transition:opacity .6s}
.evidence .tagline{position:absolute;left:14px;top:12px;right:14px;display:flex;justify-content:space-between}
.evidence .tagline span{font-family:var(--mono);font-size:.6rem;text-transform:uppercase;letter-spacing:.12em;color:var(--deep)}
.evidence .cap{display:grid;grid-template-columns:1fr auto;gap:4px 12px;font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.08em;color:var(--graphite)}
.evidence .cap b{color:var(--ink);font-weight:700}

/* ---------- body layout ---------- */
.doc .shell{display:grid;grid-template-columns:220px minmax(0,1fr)}
.toc{border-right:1px solid var(--hair);padding-top:40px}
.toc nav{position:sticky;top:92px;display:grid;padding-right:22px}
.toc a{display:grid;grid-template-columns:34px 1fr;text-decoration:none;padding:9px 0;border-bottom:1px solid var(--hair);font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.06em;color:var(--graphite)}
.toc a b{font-weight:700;color:var(--glacier)}
.toc a.on{color:var(--ink)}
.toc a.on span{background:var(--glacier-light)}
.piece{padding:88px 0 88px 44px;border-bottom:1px solid var(--ink);scroll-margin-top:64px}
.piece:last-child{border-bottom:0}
.p-head{display:grid;grid-template-columns:auto 1fr;gap:10px 26px;align-items:end;margin-bottom:46px}
.p-no{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:clamp(4.5rem,9vw,8rem);line-height:.75;-webkit-text-stroke:1.5px var(--glacier);color:transparent}
.p-head .lab,.p-head h2{grid-column:2}
.p-head h2{font-size:clamp(2rem,4.2vw,3.6rem)}
.p-intro{max-width:60ch;font-size:1.12rem;color:#1d2f3f;margin:-16px 0 44px}

/* piece 1 */
.figs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink);border-bottom:1px solid var(--hair)}
.figs div{padding:24px 24px 26px 0;display:grid;gap:10px;align-content:start}
.figs div+div{padding-left:24px;border-left:1px solid var(--hair)}
.figs b{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:clamp(3.4rem,6.5vw,5.4rem);line-height:.8;color:var(--deep)}
.figs p{font-size:.98rem;color:#24374a}
.calc{margin-top:56px;color:#EAF6FA;display:grid;grid-template-columns:1fr 1.25fr;position:relative;overflow:hidden;
  background:radial-gradient(600px 300px at 90% 0%,rgba(142,214,236,.28),transparent 60%),linear-gradient(135deg,var(--abyss),var(--deep))}
.calc::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97'%3E%3Cpath d='M28 0 56 16v32L28 64 0 48V16Z M28 64v33' fill='none' stroke='%238ED6EC' stroke-width='.8'/%3E%3C/svg%3E")}
.calc>*{position:relative;z-index:1}
.calc .in{padding:34px;border-right:1px solid rgba(142,214,236,.25);display:grid;gap:18px;align-content:start}
.calc .lab{color:#9CC7D8}
.calc label{font-family:var(--display);font-weight:800;font-stretch:125%;text-transform:uppercase;font-size:1.35rem;line-height:1.05}
.calc output{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:3.4rem;line-height:.9;color:var(--glacier-light)}
.calc input[type=range]{width:100%;accent-color:var(--glacier-light);height:28px}
.calc .out{padding:34px;display:grid;gap:22px}
.calc .row{display:grid;gap:6px;border-bottom:1px solid rgba(142,214,236,.25);padding-bottom:18px}
.calc .row:last-of-type{border-bottom:0;padding-bottom:0}
.calc .big{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:clamp(2.5rem,4.8vw,4rem);line-height:.9}
.calc .big.y{color:var(--glacier-light)}
.calc small{font-family:var(--mono);font-size:.6rem;color:#9CC7D8;line-height:1.6}

/* piece 2 */
.exhibit{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:start}
.form{background:var(--sheet);border:1.5px solid var(--ink);box-shadow:0 30px 60px -30px rgba(17,85,122,.45);font-family:var(--mono);font-size:.72rem;position:relative}
.form .fh{display:flex;justify-content:space-between;border-bottom:1.5px solid var(--ink);padding:12px 14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.form .f{display:grid;grid-template-columns:44% 56%;border-bottom:1px solid var(--hair);position:relative}
.form .f span{padding:10px 14px;color:var(--graphite);border-right:1px solid var(--hair)}
.form .f b{padding:10px 14px;font-weight:500}
.form .f.hl b{background:linear-gradient(transparent 12%,var(--glacier-light) 12%,var(--glacier-light) 88%,transparent 88%)}
.form .f.bad b{color:var(--stamp);font-weight:700}
.form .total{display:flex;justify-content:space-between;align-items:center;padding:16px 14px;border-top:1.5px solid var(--ink)}
.form .total s{font-family:var(--display);font-weight:900;font-size:2.4rem;text-decoration-color:var(--stamp);text-decoration-thickness:4px;line-height:1}
.form .pin{position:absolute;top:6px;right:-13px;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--glacier-light);font-weight:700;display:grid;place-items:center;font-size:.7rem}
.notes{list-style:none;margin:0;padding:0;border-top:1.5px solid var(--ink)}
.notes li{display:grid;grid-template-columns:40px 1fr;gap:6px 14px;padding:20px 0;border-bottom:1px solid var(--hair)}
.notes .n{width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--glacier-light);font-family:var(--mono);font-weight:700;font-size:.74rem;display:grid;place-items:center}
.notes h3{font-size:1.15rem;line-height:1.05}
.notes p{grid-column:2;font-size:1rem;color:#24374a}
.caption{margin-top:14px}

/* piece 3 */
.law{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px}
.statute{border-left:4px solid var(--glacier);padding:6px 0 6px 28px;display:grid;gap:22px}
.statute .art{font-family:var(--display);font-weight:800;font-stretch:125%;text-transform:uppercase;font-size:1.05rem;line-height:1.1}
.clause{display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:baseline;border-bottom:1px solid var(--hair);padding-bottom:18px}
.clause b{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--deep)}
.clause p{font-size:1.14rem}
.margin{font-family:var(--mono);font-size:.7rem;line-height:1.7;border-top:1.5px solid var(--ink);padding-top:16px;display:grid;gap:14px;align-content:start}
.margin p b{display:block;font-family:var(--display);font-weight:900;font-size:2.6rem;line-height:.9;color:var(--deep)}

/* piece 4 */
.proc{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border-top:1.5px solid var(--ink)}
.proc li{padding:18px 16px 22px 0;display:grid;gap:10px;align-content:start;position:relative}
.proc li+li{padding-left:16px;border-left:1px solid var(--hair)}
.proc .d{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:2.5rem;line-height:.85;color:var(--deep)}
.proc h3{font-size:.95rem}
.proc p{font-size:.92rem;color:#24374a;line-height:1.45}
.proc li.you{background:linear-gradient(180deg,rgba(142,214,236,.55),rgba(142,214,236,.2))}
.proc li.you::after{content:"VOUS";position:absolute;top:-2px;right:0;transform:translateY(-100%);font-family:var(--mono);font-size:.6rem;font-weight:700;letter-spacing:.14em;background:var(--ink);color:var(--glacier-light);padding:4px 8px}

/* piece 5 */
.zero{font-family:var(--display);font-weight:900;font-stretch:112%;text-transform:uppercase;font-size:clamp(2.6rem,6.4vw,5.6rem);line-height:.92;max-width:15ch}
.zero span{color:var(--glacier)}
.articles{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink)}
.articles div{padding:22px 22px 0 0;display:grid;gap:10px;align-content:start}
.articles div+div{padding-left:22px;border-left:1px solid var(--hair)}
.articles h3{font-size:1.1rem}
.articles p{font-size:1rem;color:#24374a}

/* motifs */
.motifs{color:var(--frost);position:relative;overflow:hidden;
  background:radial-gradient(900px 500px at 85% 10%,rgba(142,214,236,.25),transparent 60%),linear-gradient(160deg,var(--ink) 0%,var(--abyss) 60%,var(--deep) 100%)}
.motifs::before{content:"";position:absolute;inset:0;opacity:.12;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97'%3E%3Cpath d='M28 0 56 16v32L28 64 0 48V16Z M28 64v33' fill='none' stroke='%238ED6EC' stroke-width='.8'/%3E%3C/svg%3E")}
.motifs .shell{display:grid;grid-template-columns:220px minmax(0,1fr);position:relative}
.motifs .side{border-right:1px solid rgba(142,214,236,.2)}
.motifs .body{padding:96px 0 96px 44px}
.motifs .pcm{font-family:var(--mono);font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--glacier-light);font-size:.82rem}
.motifs h2{font-size:clamp(2.4rem,5.8vw,5.2rem);margin-top:18px;max-width:14ch}
.motifs .txt{margin-top:28px;max-width:58ch;font-size:1.15rem;color:#CFE3EC}
.address{margin-top:44px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.address .mail{flex-basis:100%;font-family:var(--display);font-weight:800;font-stretch:112%;font-size:clamp(1.6rem,4.4vw,3.4rem);line-height:1.1;text-decoration:none;color:#fff;border-bottom:4px solid var(--glacier-light);align-self:flex-start;width:max-content;max-width:100%;overflow-wrap:anywhere}
.motifs .btn-ice{background:var(--glacier-light);color:var(--ink);border-color:var(--glacier-light)}
.motifs .btn-ice:hover{background:#fff}
.copy{font-family:var(--mono);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;background:transparent;color:var(--frost);border:1.5px solid rgba(242,248,251,.7);padding:15px 18px;cursor:pointer}
.copy:hover{background:var(--frost);color:var(--ink)}
.sign{margin-top:64px;display:flex;align-items:center;gap:16px}
.sign svg{width:46px;height:46px}
.sign b{display:block;font-family:var(--display);font-weight:800;font-stretch:125%;text-transform:uppercase;font-size:1rem;letter-spacing:.03em}
.sign span{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.14em;color:#9CC7D8}

footer{border-top:1px solid var(--ink)}
footer .shell{display:grid;grid-template-columns:220px minmax(0,1fr)}
footer .side{border-right:1px solid var(--hair);padding:28px 22px 28px 0}
footer .legal{padding:28px 0 40px 44px;display:grid;gap:6px;font-size:.85rem;color:var(--graphite);max-width:880px}
footer h3{font-size:.9rem;color:var(--ink);margin-bottom:6px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .amount .strike,.stampbox{animation:none}
  .btn-ice{transition:none}
}
@media (max-width:1180px){
  .hero .shell{grid-template-columns:200px minmax(0,1fr)}
  .evidence{grid-column:1/-1;border-left:0;border-top:1px solid var(--hair);padding:28px 0 48px;grid-template-columns:minmax(0,420px) 1fr;gap:28px;align-items:end}
  .proc{grid-template-columns:repeat(3,minmax(0,1fr))}
  .proc li:nth-child(4){border-left:0;padding-left:0}
  .proc li:nth-child(n+4){border-top:1px solid var(--hair)}
  .law{grid-template-columns:1fr}
}
@media (max-width:900px){
  .hero .shell,.doc .shell,.motifs .shell,footer .shell{grid-template-columns:minmax(0,1fr)}
  main{min-width:0}
  .memo{border-right:0;border-bottom:1px solid var(--hair);padding:22px 0;grid-template-columns:1fr 1fr;gap:14px}
  .stage{padding:28px 0 44px}
  .evidence{grid-template-columns:1fr}
  .evidence .frame{aspect-ratio:1/1}
  .toc{display:none}
  .piece{padding:64px 0}
  .motifs .side,footer .side{display:none}
  .motifs .body{padding:72px 0}
  footer .legal{padding:28px 0 40px}
  .exhibit,.calc{grid-template-columns:1fr}
  .calc .in{border-right:0;border-bottom:1px solid rgba(142,214,236,.25)}
  .figs,.articles{grid-template-columns:1fr}
  .figs div+div,.articles div+div{padding-left:0;border-left:0;border-top:1px solid var(--hair)}
  .articles div{padding-bottom:22px}
  .form .pin{right:8px}
}
@media (max-width:600px){
  body{font-size:17px}
  .brand b{font-size:.86rem}
  .write{padding:10px 12px}
  .proc{grid-template-columns:1fr 1fr}
  .proc li:nth-child(n){border-left:0;padding-left:0;border-top:1px solid var(--hair)}
  .proc li:nth-child(even){padding-left:14px;border-left:1px solid var(--hair)}
  .clause{grid-template-columns:1fr;gap:4px}
  .p-head{grid-template-columns:1fr}
  .p-head .lab,.p-head h2{grid-column:1}
  .stampbox{top:-.5em;right:-.2em}
}

/* ---------- pièce 6 : audit ---------- */
.audit-steps{list-style:none;margin:0 0 34px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1.5px solid var(--ink)}
.audit-steps li{padding:22px 22px 24px 0;display:grid;gap:10px;align-content:start}
.audit-steps li+li{padding-left:22px;border-left:1px solid var(--hair)}
.audit-steps .d{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:3rem;line-height:.8;color:var(--glacier)}
.audit-steps h3{font-size:1.1rem}
.audit-steps p{font-size:1rem;color:#24374a}
.mono-inline{font-family:var(--mono);font-size:.82em;font-weight:500;background:var(--frost-2);padding:1px 5px;overflow-wrap:anywhere}
@media (max-width:900px){
  .audit-steps{grid-template-columns:1fr}
  .audit-steps li+li{padding-left:0;border-left:0;border-top:1px solid var(--hair)}
}

/* ---------- page étude : questionnaire ---------- */
.survey .shell{display:grid;grid-template-columns:220px minmax(0,1fr)}
.survey aside{border-right:1px solid var(--hair);padding:40px 22px 40px 0;display:grid;align-content:start;gap:18px}
.survey aside div{display:grid;gap:3px}
.survey aside b{font-family:var(--mono);font-size:.72rem;font-weight:500}
.survey .body{padding:48px 0 96px 44px;max-width:860px}
.survey h1{font-size:clamp(2rem,4.4vw,3.4rem)}
.survey .intro{margin-top:20px;font-size:1.12rem;color:#1d2f3f;max-width:60ch}
.qform{margin-top:44px;display:grid;gap:0}
.qform fieldset{border:0;border-top:1.5px solid var(--ink);margin:0;padding:26px 0 30px;display:grid;gap:22px}
.qform legend{float:left;width:100%;padding:0 0 4px;display:flex;gap:14px;align-items:baseline}
.qform legend b{font-family:var(--display);font-weight:900;font-stretch:100%;font-size:2.2rem;line-height:.8;color:var(--glacier)}
.qform legend span{font-family:var(--display);font-weight:800;font-stretch:125%;text-transform:uppercase;font-size:1.05rem}
.q{display:grid;gap:10px}
.q>label,.q>.qt{font-weight:600;font-size:1.02rem}
.q .hint{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:var(--graphite)}
.qform input[type=text],.qform input[type=email],.qform input[type=tel],.qform select,.qform textarea{
  font:inherit;font-size:1rem;color:var(--ink);background:rgba(255,255,255,.75);border:1px solid var(--hair);border-bottom:1.5px solid var(--ink);padding:12px 14px;width:100%;border-radius:0}
.qform textarea{min-height:110px;resize:vertical}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:none;border-color:var(--glacier);box-shadow:0 0 0 3px rgba(142,214,236,.6);background:#fff}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{position:relative;cursor:pointer}
.opts input{position:absolute;opacity:0;pointer-events:none}
.opts span{display:inline-block;font-family:var(--mono);font-size:.72rem;padding:10px 14px;border:1px solid var(--hair);background:rgba(255,255,255,.6);transition:background .12s,border-color .12s}
.opts label:hover span{border-color:var(--glacier)}
.opts input:checked+span{background:var(--ink);color:var(--glacier-light);border-color:var(--ink)}
.opts input:focus-visible+span{outline:3px solid var(--glacier);outline-offset:2px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.checks{display:grid;gap:12px}
.checks label{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;font-size:1rem;cursor:pointer}
.checks input{width:18px;height:18px;margin-top:3px;accent-color:var(--deep)}
.privacy{font-size:.86rem;color:var(--graphite);max-width:70ch}
.submit-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding-top:26px;border-top:1.5px solid var(--ink)}
.submit-row button{cursor:pointer}
.req{color:var(--stamp)}
.hp{position:absolute;left:-9999px}
.thanks{padding:96px 0;display:grid;gap:22px;max-width:760px}
.thanks h1{font-size:clamp(2.2rem,5vw,4rem)}
.thanks p{font-size:1.15rem;color:#1d2f3f}
@media (max-width:900px){
  .survey .shell{grid-template-columns:minmax(0,1fr)}
  .survey aside{border-right:0;border-bottom:1px solid var(--hair);padding:22px 0;grid-template-columns:1fr 1fr;gap:14px}
  .survey .body{padding:36px 0 72px}
  .two{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){.opts span{transition:none}}