:root{
  --alu:#dfe5ea;       /* aluminium clair : fond */
  --alu-2:#c7cfd6;     /* lame */
  --alu-3:#9eaab5;     /* ombre de lame */
  --sky:#8fcdf5;       /* ciel */
  --sky-pale:#d8eefc;
  --sky-deep:#1c6ea8;  /* liens, accents */
  --day:#fbfdff;       /* lumière du jour */
  --slate:#22313f;     /* texte */
  --slate-2:#3d4f60;
  --muted:#52616f;
  --line:#ccd5dc;
  --f-head:"Schibsted Grotesk",system-ui,sans-serif;
  --f-body:"Atkinson Hyperlegible",system-ui,sans-serif;
  --gut:clamp(16px,5vw,80px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--day);color:var(--slate);font:400 17px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
a{color:var(--sky-deep)}
:focus-visible{outline:3px solid var(--sky-deep);outline-offset:3px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--f-head);line-height:1.1;margin:0 0 .5em;color:var(--slate)}
h2{font-size:clamp(1.65rem,3.2vw,2.4rem);font-weight:800;letter-spacing:-.015em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--slate);color:var(--day);padding:10px 14px;border-radius:4px}
.skip:focus{top:12px}

/* Barre du haut */
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;padding:10px var(--gut);background:rgba(251,253,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--slate)}
.logo span{display:flex;flex-direction:column;line-height:1.15}
.logo b{font-family:var(--f-head);font-weight:900;font-size:1.08rem;letter-spacing:-.01em}
.logo small{color:var(--muted);font-size:.8rem}
.topnav{display:flex;gap:4px;margin-left:auto}
.topnav a{text-decoration:none;color:var(--slate-2);font-weight:700;font-size:.93rem;padding:8px 12px;border-radius:4px}
.topnav a:hover{background:var(--alu)}
.topcall{background:var(--slate);color:var(--day);font-family:var(--f-head);font-weight:800;text-decoration:none;padding:10px 16px;border-radius:4px;white-space:nowrap}
.topcall:hover{background:var(--slate-2)}
@media (max-width:960px){.topnav{display:none}.topcall{margin-left:auto}}
@media (max-width:480px){.topcall{display:none}}

/* Hero */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:center;padding:clamp(32px,5vw,72px) var(--gut);background:linear-gradient(180deg,var(--day) 0%,#eef3f6 100%)}
.hero-txt{order:-1}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.9rem);font-weight:900;letter-spacing:-.025em;line-height:1.02;max-width:17ch}
.hero-inner h1{font-size:clamp(1.9rem,3.8vw,3.1rem)}
.lead{font-size:1.15rem;color:var(--slate-2);max-width:52ch;margin:0 0 28px}
.crumb{font-size:.9rem;color:var(--muted);margin:0 0 14px}
.crumb a{color:var(--slate-2)}
.dnum{display:inline-block;font-weight:700;color:var(--sky-deep);font-size:.5em;vertical-align:.45em;background:var(--sky-pale);border-radius:3px;padding:.1em .4em;letter-spacing:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}
.btn-call{display:flex;flex-direction:column;justify-content:center;text-decoration:none;background:var(--slate);color:var(--day);padding:10px 22px 12px;border-radius:4px;box-shadow:0 6px 0 -2px var(--alu-3)}
.btn-call small{font-size:.85rem;color:#c5d3df}
.btn-call b{font-family:var(--f-head);font-weight:900;font-size:clamp(1.5rem,2.6vw,1.9rem);white-space:nowrap;line-height:1.1;letter-spacing:.01em}
.btn-call:hover{background:var(--slate-2)}
.btn-ghost{display:flex;align-items:center;text-decoration:none;font-family:var(--f-head);font-weight:800;color:var(--slate);border:2px solid var(--slate);padding:12px 20px;border-radius:4px}
.btn-ghost:hover{background:var(--sky-pale)}
.hero-note{margin:16px 0 0;color:var(--muted);font-size:.95rem}
@media (max-width:860px){.hero{grid-template-columns:1fr}.hero-txt{order:0}}

/* Le volet roulant : élément signature */
.shutter{--open:58%;--slat:30px;position:relative;aspect-ratio:4/4.4;width:100%;max-width:560px;justify-self:end;border:14px solid var(--day);outline:1px solid var(--line);border-radius:3px;box-shadow:0 30px 60px -30px rgba(34,49,63,.45),inset 0 0 0 1px var(--alu-3);overflow:hidden;background:var(--sky)}
.hero-inner .shutter{aspect-ratio:4/3.4;max-width:480px;--open:50%}
.sky{position:absolute;inset:0;background:linear-gradient(180deg,#5fb4ec 0%,var(--sky) 45%,#e6f5fe 100%)}
.nw{white-space:nowrap}
.sun{position:absolute;width:26%;aspect-ratio:1;left:60%;top:47%;border-radius:50%;background:radial-gradient(circle,#fffef4 0 42%,rgba(255,250,215,.55) 43%,rgba(255,250,215,0) 70%)}
.cloud{position:absolute;height:9%;border-radius:999px;background:rgba(255,255,255,.85)}
.cloud::before{content:"";position:absolute;width:38%;aspect-ratio:1;left:20%;bottom:25%;border-radius:50%;background:inherit}
.c1{width:30%;left:12%;top:56%}
.c2{width:20%;left:48%;top:68%;opacity:.75}
.roofs{position:absolute;left:0;right:0;bottom:0;width:100%;height:24%;fill:#6f93b3}
.roofs .r2{fill:#4e6f8d}
.hero-inner .roofs{height:30%}
.tablier{position:absolute;left:4%;right:4%;top:0;height:100%;z-index:1;
  background:
    repeating-linear-gradient(180deg,
      #eef2f5 0, #dce3e9 calc(var(--slat)*.38), var(--alu-2) calc(var(--slat)*.82), var(--alu-3) calc(var(--slat) - 3px),
      #6f7d89 calc(var(--slat) - 3px), #6f7d89 var(--slat));
  transform:translateY(calc(var(--open) * -1));box-shadow:0 6px 10px rgba(34,49,63,.25)}
.lame-finale{position:absolute;left:0;right:0;bottom:0;height:calc(var(--slat)*.9);background:linear-gradient(180deg,#8a97a2,#55636f);border-top:2px solid #46535e}
.lame-finale::after{content:"";position:absolute;left:50%;top:40%;width:16%;height:22%;transform:translateX(-50%);background:#2f3c48;border-radius:2px}
.coffre{position:absolute;left:0;right:0;top:0;height:9%;z-index:2;background:linear-gradient(180deg,#3a4a59,var(--slate));border-bottom:3px solid #18232d}
.rail{position:absolute;top:0;bottom:0;width:4%;z-index:2;background:linear-gradient(90deg,#aab5bf,#e7ecf0 45%,#9aa6b1)}
.rl{left:0}.rr{right:0}
.js .tablier{animation:raise 2.2s cubic-bezier(.55,.05,.25,1) .35s both}
@keyframes raise{
  0%{transform:translateY(0)}
  28%{transform:translateY(calc(var(--open) * -.28))}
  36%{transform:translateY(calc(var(--open) * -.26))}
  100%{transform:translateY(calc(var(--open) * -1))}
}
@media (prefers-reduced-motion:reduce){.js .tablier{animation:none}}
@media (max-width:860px){
  .shutter{aspect-ratio:16/9;max-width:none;justify-self:stretch;border-width:10px;--slat:22px}
  .hero-inner .shutter{aspect-ratio:16/7}
}

/* Sections communes */
main>section{padding:clamp(48px,7vw,96px) var(--gut)}

/* Les trois métiers : onglets en forme de lames */
.tracks{background:var(--alu)}
.tracks-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 24px;margin-bottom:28px}
.tracks-head p{margin:0;color:var(--muted)}
.tracks-body{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:0;align-items:start}
.tablist{display:flex;flex-direction:column;gap:0;border-radius:3px 0 0 3px;overflow:hidden;box-shadow:inset 0 0 0 1px var(--alu-3)}
.tab{display:flex;align-items:center;gap:14px;font:800 1.1rem/1.2 var(--f-head);text-align:left;color:var(--slate-2);padding:22px 20px;border:0;border-bottom:3px solid #8794a0;cursor:pointer;
  background:linear-gradient(180deg,#f2f5f7 0%,#dde4ea 45%,var(--alu-2) 100%)}
.tab:last-child{border-bottom:0}
.tab svg{width:34px;height:34px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.tab:hover{color:var(--slate)}
.tab[aria-selected="true"]{background:var(--day);color:var(--slate);box-shadow:inset 6px 0 0 var(--sky-deep)}
.panels{background:var(--day);border-radius:0 3px 3px 3px;padding:clamp(22px,3.5vw,44px);min-height:100%;box-shadow:inset 0 0 0 1px var(--line)}
.panel+.panel{margin-top:40px;padding-top:40px;border-top:1px solid var(--line)}
.js .panel[data-hidden]{display:none}
.js .panel{margin-top:0!important;padding-top:0!important;border-top:0!important}
.panel-title{font-size:1.6rem;font-weight:900}
.panel-intro{color:var(--slate-2);max-width:62ch;margin:0 0 22px;font-size:1.06rem}
.panel-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:0 32px}
.panel-list li{padding:16px 0;border-top:1px solid var(--line)}
.panel-list h4{font-size:1.08rem;font-weight:800;margin-bottom:4px}
.panel-list p{margin:0;color:var(--muted)}
.panel-brands{margin:22px 0 0;padding:12px 16px;background:var(--sky-pale);border-radius:3px;color:var(--slate)}
.panel-brands span{font-weight:700;margin-right:6px}
@media (max-width:760px){
  .tracks-body{grid-template-columns:1fr}
  .tablist{flex-direction:row;border-radius:3px 3px 0 0}
  .tab{flex:1;flex-direction:column;gap:6px;padding:14px 6px;font-size:.88rem;text-align:center;border-bottom:0;border-right:3px solid #8794a0}
  .tab:last-child{border-right:0}
  .tab svg{width:28px;height:28px}
  .tab[aria-selected="true"]{box-shadow:inset 0 5px 0 var(--sky-deep)}
  .panels{border-radius:0 0 3px 3px}
}

/* Étapes */
.steps-list{counter-reset:s;list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.steps-list li{counter-increment:s;padding:0 22px 0 0;position:relative}
.steps-list li::before{content:counter(s);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--sky-pale);color:var(--sky-deep);font:900 1.15rem var(--f-head);margin-bottom:14px;position:relative;z-index:1;box-shadow:0 0 0 6px var(--day)}
.steps-list li:not(:last-child)::after{content:"";position:absolute;top:21px;left:42px;right:0;border-top:2px solid var(--line)}
.steps-list b{display:block;font-family:var(--f-head);font-size:1.1rem;font-weight:800;margin-bottom:4px}
.steps-list span{color:var(--muted)}
@media (max-width:960px){.steps-list{grid-template-columns:1fr;gap:20px;max-width:560px}.steps-list li{display:grid;grid-template-columns:42px 1fr;column-gap:16px;padding:0}.steps-list li::before{grid-row:1/3;margin:0}.steps-list li::after{display:none}}

/* Départements */
.zones{background:linear-gradient(180deg,#eef3f6,var(--day))}
.zones-intro{color:var(--muted);margin:0 0 24px}
.zones-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.zones-grid a{display:grid;grid-template-columns:auto 1fr;column-gap:16px;text-decoration:none;color:var(--slate);padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);height:100%;background:var(--day)}
.zones-grid a:hover{background:var(--sky-pale)}
.z-num{grid-row:1/3;font:900 2.1rem/1 var(--f-head);color:var(--sky-deep);align-self:center;letter-spacing:-.03em}
.z-name{font-family:var(--f-head);font-weight:800;font-size:1.08rem}
.z-cities{font-size:.86rem;color:var(--muted)}

.villes{background:var(--alu)}
.villes-list{list-style:none;padding:0;margin:20px 0;columns:4 190px;column-gap:28px}
.villes-list li{break-inside:avoid;padding:6px 0;border-bottom:1px solid var(--line)}
.villes-list a{text-decoration:none;color:var(--slate)}
.villes-list a:hover{color:var(--sky-deep);text-decoration:underline}
.villes-more{color:var(--muted)}

.local{background:var(--day)}
.local p{max-width:68ch;color:var(--slate-2);font-size:1.08rem}

/* FAQ */
.faq-list{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-family:var(--f-head);font-weight:700;font-size:1.1rem;padding:16px 40px 16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:24px;width:10px;height:10px;border-right:2.5px solid var(--sky-deep);border-bottom:2.5px solid var(--sky-deep);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:28px}
@media (prefers-reduced-motion:reduce){.faq summary::after{transition:none}}
.faq p{margin:0 0 18px;color:var(--slate-2);max-width:68ch}

/* Formulaire */
.devis{background:var(--slate);color:#e4ebf1}
.devis h2{color:var(--day)}
.devis-in{display:grid;grid-template-columns:1fr 1.5fr;gap:clamp(24px,5vw,72px)}
.devis-txt p{max-width:40ch;color:#c5d3df}
.devis-tel a{color:var(--sky);font-weight:700;white-space:nowrap}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:.93rem;color:var(--day)}
.form .full{grid-column:1/-1}
.form input:not([type=radio]),.form select,.form textarea{font:inherit;padding:12px 14px;border:1.5px solid #5a6c7d;border-radius:3px;background:var(--day);color:var(--slate)}
.form :focus-visible{outline-color:var(--sky)}
.kind{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.kind legend{font-weight:700;font-size:.93rem;margin-bottom:6px;color:var(--day);padding:0}
.kind label{flex-direction:row;align-items:center;gap:8px;font-weight:400;background:var(--slate-2);padding:9px 14px;border-radius:3px;cursor:pointer}
.kind input{accent-color:var(--sky);width:18px;height:18px;margin:0}
.form button{grid-column:1/-1;justify-self:start;font:800 1.05rem var(--f-head);background:var(--sky);color:var(--slate);border:0;padding:15px 28px;border-radius:3px;cursor:pointer}
.form button:hover{background:#b3dcf8}
.form button:focus-visible{outline-color:var(--day)}
.hp{display:none}
@media (max-width:860px){.devis-in{grid-template-columns:1fr}.form{grid-template-columns:1fr}}

/* Pages texte */
.legal{max-width:760px;margin:0 auto;padding:64px 16px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);font-weight:900}
.legal h2{font-size:1.4rem;margin-top:1.6em}

/* Pied de page */
.foot{background:#18232d;color:#b9c6d2;padding:48px var(--gut) 104px}
.foot-in{display:grid;grid-template-columns:1fr 2fr;gap:32px}
.foot-brand{font-family:var(--f-head);font-weight:900;color:var(--day);font-size:1.2rem;margin-top:0}
.foot a{color:#e6edf3}
.foot-tel{font-family:var(--f-head);font-weight:800;font-size:1.3rem;white-space:nowrap}
.foot-links{list-style:none;padding:0;margin:0;columns:2 230px}
.foot-links li{padding:4px 0}
.foot-legal{margin-top:32px;font-size:.85rem}
.foot :focus-visible{outline-color:var(--sky)}
@media (min-width:861px){.foot{padding-bottom:48px}}
@media (max-width:860px){.foot-in{grid-template-columns:1fr}}

/* Barre d'appel mobile */
.callbar{display:none}
@media (max-width:860px){
  .callbar{display:flex;justify-content:center;align-items:baseline;gap:10px;position:fixed;left:12px;right:12px;bottom:12px;z-index:20;background:var(--slate);color:var(--day);font-family:var(--f-head);text-decoration:none;padding:14px 16px;border-radius:6px;box-shadow:0 0 0 3px var(--sky),0 12px 24px -8px rgba(0,0,0,.45);white-space:nowrap}
  .callbar span{font-weight:700;color:var(--sky)}
  .callbar b{font-weight:900;font-size:1.2rem}
  .callbar:focus-visible{outline-color:var(--day)}
}