/* DORVAL — entreprise de bâtiment à Bruxelles. Feuille de style du site (sans dépendance). */
:root{
  --ink:#1F2326;        /* anthracite : textes, fonds sombres */
  --ink-2:#4A5157;      /* texte secondaire */
  --plaster:#F6F6F3;    /* fond principal, blanc plâtre */
  --concrete:#E5E7E4;   /* fond alterné, béton clair */
  --line:#CDD1CD;       /* filets */
  --signal:#FF5417;     /* orange du logo : actions, repères */
  --signal-dark:#B83A0B;/* orange lisible sur fond clair */
  --white:#FFFFFF;
  --wrap:1200px;
  --gutter:clamp(16px,4vw,40px);
  --radius:6px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{margin:0;background:var(--plaster);color:var(--ink);font-family:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.6;font-stretch:100%}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration-color:var(--signal);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--signal-dark)}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px;top:8px}

/* Titres : la largeur étendue d'Archivo donne la voix de l'entreprise */
h1,h2,h3,.display{font-stretch:118%;font-weight:800;letter-spacing:-.012em;line-height:1.05;margin:0}
h1{font-size:clamp(2.1rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.35rem)}
h3{font-size:1.15rem;line-height:1.25;font-stretch:108%;font-weight:700;letter-spacing:0}
p{margin:0 0 1em;max-width:68ch}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:60ch}

/* Losange du logo, utilisé comme repère */
.dia{display:inline-block;width:.62em;height:.62em;background:var(--signal);transform:rotate(45deg);flex:none}
.dia.dark{background:var(--ink)}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:.55em;font:inherit;font-weight:700;font-stretch:108%;text-decoration:none;padding:.85em 1.25em;border-radius:var(--radius);border:2px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;line-height:1.1}
.btn:hover{background:var(--ink);color:#fff}
.btn.primary{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.btn.primary:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.light{border-color:#fff;color:#fff}
.btn.light:hover{background:#fff;color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* En-tête */
.topbar{background:var(--ink);color:#D8DCDA;font-size:.88rem}
.topbar .wrap{display:flex;gap:22px;align-items:center;justify-content:flex-end;min-height:36px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{color:var(--signal)}
.topbar .where{margin-right:auto}
@media (max-width:760px){.topbar .where,.topbar .mail{display:none}.topbar .wrap{justify-content:space-between}}
header.site{position:sticky;top:0;z-index:40;background:rgba(246,246,243,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo svg{height:30px;width:auto}
nav.main{margin-left:auto;display:flex;align-items:center;gap:6px}
nav.main > a,nav.main details > summary{font-weight:600;text-decoration:none;padding:10px 12px;border-radius:var(--radius);cursor:pointer;list-style:none;white-space:nowrap}
nav.main details > summary::-webkit-details-marker{display:none}
nav.main details > summary::after{content:"";display:inline-block;width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:0 0 3px 9px}
nav.main details[open] > summary::after{transform:rotate(-135deg);margin-bottom:-1px}
nav.main > a:hover,nav.main summary:hover{background:var(--concrete);color:var(--ink)}
nav.main a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--signal)}
nav.main details{position:relative}
.menu{position:absolute;top:calc(100% + 8px);left:-12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;display:grid;grid-template-columns:repeat(3,minmax(170px,1fr));gap:18px 28px;width:max-content;box-shadow:0 18px 40px -18px rgba(31,35,38,.35)}
.menu strong{display:block;font-size:.82rem;color:var(--ink-2);font-weight:600;margin-bottom:6px}
.menu a{display:block;text-decoration:none;padding:5px 0;font-weight:500}
.menu a:hover{color:var(--signal-dark)}
.nav-cta{margin-left:8px}
.burger{display:none}
@media (max-width:980px){
  nav.main{display:none}
  .burger{display:inline-flex;margin-left:auto;align-items:center;gap:8px;background:none;border:2px solid var(--ink);border-radius:var(--radius);padding:9px 12px;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}
  header.site.open nav.main{display:flex;position:absolute;left:0;right:0;top:100%;background:var(--plaster);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px var(--gutter) 22px;max-height:calc(100vh - 110px);overflow:auto}
  header.site.open nav.main details > summary,header.site.open nav.main > a{padding:13px 4px;border-bottom:1px solid var(--line);border-radius:0}
  header.site.open .menu{position:static;box-shadow:none;border:0;padding:6px 0 10px 12px;grid-template-columns:1fr;width:auto;gap:10px}
  header.site.open .nav-cta{margin:14px 0 0;justify-content:center}
}

/* Sections */
section{padding:clamp(56px,8vw,104px) 0}
section.alt{background:var(--concrete)}
section.dark{background:var(--ink);color:#EEF0EE}
section.dark .lead,section.dark p{color:#C9CECB}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
.split > .head{position:sticky;top:110px}
@media (max-width:860px){.split{grid-template-columns:1fr}.split > .head{position:static}}
.head h2{margin-bottom:.45em}
.head .lead{margin-bottom:0}

/* Rangées de contenu (prestations, usages…) séparées par des filets */
.rows{border-top:2px solid var(--ink)}
.rows > div{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:8px 28px;padding:20px 0;border-bottom:1px solid var(--line)}
.rows h3{display:flex;gap:12px;align-items:baseline}
.rows h3 .dia{font-size:.85em;transform:rotate(45deg) translateY(-2px)}
.rows p{margin:0;color:var(--ink-2)}
@media (max-width:620px){.rows > div{grid-template-columns:1fr}}
.prose p{color:var(--ink-2)}
.prose p:first-child{color:var(--ink);font-size:1.1rem}
.checks{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:12px}
.checks li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline}
.checks li::before{content:"";width:9px;height:9px;background:var(--signal);transform:rotate(45deg) translateY(-1px)}
.checks b{font-weight:700}

/* Accueil : l'index des métiers */
.hero-home{padding:clamp(36px,6vw,72px) 0 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}}
.hero-home h1{font-size:clamp(2rem,3.7vw,3.05rem);line-height:1.06}
.facts{display:flex;flex-wrap:wrap;gap:10px 26px;margin:24px 0 0;padding:0;list-style:none;font-weight:600}
.facts li{display:flex;gap:10px;align-items:center}
.trades{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.trades li{border-bottom:1px solid var(--line)}
.trades a.t{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px 18px;padding:14px 0 6px;text-decoration:none;color:var(--ink)}
.trades .name{font-size:clamp(1.7rem,4.4vw,3.1rem);font-weight:800;font-stretch:125%;letter-spacing:-.02em;line-height:1}
.trades .mark{width:22px;height:22px;background:var(--ink);transform:rotate(45deg) scale(.55);transition:transform .2s,background .2s}
.trades a.t:hover .mark,.trades a.t:focus-visible .mark{background:var(--signal);transform:rotate(45deg) scale(1)}
.trades a.t:hover .name{color:var(--ink)}
.trades .subs{display:flex;flex-wrap:wrap;gap:4px 16px;padding:0 0 14px;font-size:.92rem;color:var(--ink-2)}
.trades .subs a{color:var(--ink-2);text-decoration-color:var(--line)}
.trades .subs a:hover{color:var(--signal-dark)}
@media (prefers-reduced-motion:reduce){.trades .mark{transition:none}}
.photo-band{margin-top:clamp(36px,6vw,64px);position:relative}
.photo-band img{width:100%;height:clamp(220px,38vw,460px);object-fit:cover}

/* En-tête des pages intérieures */
.page-head{padding:clamp(28px,5vw,56px) 0 clamp(40px,6vw,72px)}
.crumbs{font-size:.9rem;color:var(--ink-2);margin-bottom:18px}
.crumbs a{color:var(--ink-2)}
.page-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(28px,5vw,64px);align-items:end}
.page-grid figure{margin:0}
.page-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
@media (max-width:860px){.page-grid{grid-template-columns:1fr}}
.page-head h1{margin-bottom:.4em}

/* Étapes (vraie séquence : numérotées) */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid currentColor;counter-reset:s}
.steps li{padding:22px 22px 4px 0;counter-increment:s}
.steps li::before{content:counter(s);display:block;font-weight:800;font-stretch:125%;font-size:2.4rem;line-height:1;color:var(--signal);margin-bottom:12px}
.steps h3{margin-bottom:8px}
.steps p{font-size:.96rem}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* Questions fréquentes */
.faq{border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:18px;padding:18px 0;font-weight:700;font-stretch:106%;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;line-height:1;font-weight:400;color:var(--signal-dark)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 20px;color:var(--ink-2)}

/* Zone d'intervention */
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:.95rem}

/* Bandeau d'appel à l'action */
.cta-band{background:var(--ink);color:#fff;padding:clamp(48px,7vw,84px) 0}
.cta-band .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:#C9CECB;margin:14px 0 0}
.cta-band .actions{justify-content:flex-end;margin:0}
.cta-band .btn{border-color:#fff;color:#fff}
.cta-band .btn.primary{border-color:var(--signal);color:var(--ink)}
.cta-band .btn:hover{background:#fff;color:var(--ink)}
@media (max-width:860px){.cta-band .wrap{grid-template-columns:1fr}.cta-band .actions{justify-content:flex-start}}

/* Autres métiers */
.others{display:flex;flex-wrap:wrap;gap:10px}
.others a{border:1.5px solid var(--ink);border-radius:var(--radius);padding:8px 14px;text-decoration:none;font-weight:600}
.others a:hover{background:var(--ink);color:#fff}

/* Formulaire */
.form-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:clamp(20px,4vw,36px)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fields .full{grid-column:1/-1}
@media (max-width:620px){.fields{grid-template-columns:1fr}}
label{display:block;font-weight:600;margin-bottom:6px}
label .opt{font-weight:400;color:var(--ink-2)}
input,select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--plaster);border:1.5px solid var(--line);border-radius:var(--radius);padding:11px 12px}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);background:#fff}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.94rem;margin:18px 0}
.consent input{width:auto;margin-top:4px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.notice{border-radius:var(--radius);padding:14px 16px;margin-bottom:18px;font-weight:600}
.notice.ok{background:#E3F2E8;color:#16532F;border:1px solid #B9DEC6}
.notice.err{background:#FDE9E4;color:#8C2408;border:1px solid #F4C3B4}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.contact-list li{display:grid;gap:2px}
.contact-list span{font-size:.88rem;color:var(--ink-2)}
.contact-list a{font-weight:700;font-size:1.15rem;text-decoration:none}

/* Pied de page */
footer.site{background:var(--ink);color:#C9CECB;padding:56px 0 110px;font-size:.95rem}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media (max-width:860px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer.site .cols{grid-template-columns:1fr}}
footer.site h2{font-size:.95rem;font-stretch:100%;font-weight:700;color:#fff;margin:0 0 12px;letter-spacing:0}
footer.site ul{list-style:none;padding:0;margin:0;display:grid;gap:7px}
footer.site a{color:#E9ECEA;text-decoration:none}
footer.site a:hover{color:var(--signal)}
footer.site .logo svg{height:26px}
footer.site .logo{color:#fff}
footer.site .legal{border-top:1px solid #3A4045;margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.86rem}
@media (min-width:761px){footer.site{padding-bottom:40px}}

/* Barre d'action mobile */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;grid-template-columns:1fr 1fr 1.3fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--ink);border-top:1px solid #3A4045}
.mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;color:#fff;border:1.5px solid #5B6268;border-radius:var(--radius);padding:11px 6px;font-size:.95rem}
.mobile-bar a.primary{background:var(--signal);border-color:var(--signal);color:var(--ink)}
@media (max-width:760px){.mobile-bar{display:grid}}

/* Pages légales */
.doc{max-width:780px}
.doc h2{font-size:1.3rem;font-stretch:108%;margin:1.8em 0 .5em}
.doc table{border-collapse:collapse;width:100%;font-size:.95rem}
.doc th,.doc td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.scroll{overflow-x:auto}
.muted{color:var(--ink-2);font-size:.92rem}