/* ==========================================================================
   BâtiLink — design system partagé (accueil, recherche, dépôt, compte…)
   ========================================================================== */

:root{
  --ink:#0e1826; --ink-2:#0a121e; --surface:#152334; --surface-2:#1b2c40;
  --line:rgba(143,180,204,.14); --line-2:rgba(143,180,204,.28);
  --text:#eaf1f8; --muted:#93a6bb; --muted-2:#63788e;
  --hi:#f6b53d; --hi-2:#ffca63; --hi-ink:#2a1c02;
  --grid:rgba(143,180,204,.055);
  --ok:#57d29a; --neg:#f0736b;
  --shadow:0 26px 64px -24px rgba(0,0,0,.7);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
  --maxw:1180px;
}
@media (prefers-color-scheme: light){
  :root{
    --ink:#eef1f5; --ink-2:#e5eaef; --surface:#ffffff; --surface-2:#f4f7fa;
    --line:rgba(20,45,70,.12); --line-2:rgba(20,45,70,.22);
    --text:#0f2030; --muted:#465f76; --muted-2:#7189a0;
    --hi:#d8891d; --hi-2:#eba62f; --hi-ink:#fff;
    --grid:rgba(20,60,95,.05); --shadow:0 24px 54px -26px rgba(20,45,70,.28);
  }
}
:root[data-theme="dark"]{
  --ink:#0e1826; --ink-2:#0a121e; --surface:#152334; --surface-2:#1b2c40;
  --line:rgba(143,180,204,.14); --line-2:rgba(143,180,204,.28);
  --text:#eaf1f8; --muted:#93a6bb; --muted-2:#63788e;
  --hi:#f6b53d; --hi-2:#ffca63; --hi-ink:#2a1c02;
  --grid:rgba(143,180,204,.055); --shadow:0 26px 64px -24px rgba(0,0,0,.7);
}
:root[data-theme="light"]{
  --ink:#eef1f5; --ink-2:#e5eaef; --surface:#ffffff; --surface-2:#f4f7fa;
  --line:rgba(20,45,70,.12); --line-2:rgba(20,45,70,.22);
  --text:#0f2030; --muted:#465f76; --muted-2:#7189a0;
  --hi:#d8891d; --hi-2:#eba62f; --hi-ink:#fff;
  --grid:rgba(20,60,95,.05); --shadow:0 24px 54px -26px rgba(20,45,70,.28);
}

*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased;
  background:
    linear-gradient(var(--grid) 1px,transparent 1px) 0 -1px/30px 30px,
    linear-gradient(90deg,var(--grid) 1px,transparent 1px) -1px 0/30px 30px,
    var(--ink);
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--hi);font-weight:600}

/* Header + navigation */
header.site{position:sticky;top:0;z-index:60;backdrop-filter:blur(12px);
  background:color-mix(in srgb,var(--ink) 82%,transparent);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand .mk{width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:8px;
  background:linear-gradient(150deg,var(--hi),var(--hi-2));color:var(--hi-ink);box-shadow:0 6px 18px -6px var(--hi)}
.brand .mk svg{width:19px;height:19px}
.brand b{color:var(--hi)}
.nav .links{display:flex;gap:4px;margin-left:8px}
.nav .links a{padding:8px 13px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--muted);transition:.16s}
.nav .links a:hover,.nav .links a.active{color:var(--text);background:var(--surface)}
.nav .right{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border-radius:9px;font-weight:600;font-size:14.5px;
  cursor:pointer;border:1px solid transparent;transition:.16s;white-space:nowrap;font-family:inherit}
.btn svg{width:16px;height:16px}
.btn-ghost{color:var(--text);border-color:var(--line-2);background:transparent}
.btn-ghost:hover{background:var(--surface);border-color:var(--muted-2)}
.btn-hi{background:linear-gradient(150deg,var(--hi),var(--hi-2));color:var(--hi-ink);box-shadow:0 10px 24px -10px var(--hi)}
.btn-hi:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-lg{padding:14px 24px;font-size:15.5px}
.themebtn{width:40px;height:40px;padding:0}
.burger{display:none;width:40px;height:40px;padding:0;flex-direction:column;gap:5px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-2);border-radius:9px;cursor:pointer}
.burger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Menu mobile déroulant */
.mobile-nav{display:none;flex-direction:column;gap:4px;padding:14px 24px 20px;border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--ink) 96%,transparent);position:sticky;top:66px;z-index:55}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:11px 12px;border-radius:9px;color:var(--muted);font-weight:550;font-size:15px}
.mobile-nav a:hover{background:var(--surface);color:var(--text)}
.mobile-nav .sep{height:1px;background:var(--line);margin:6px 0}
.mobile-nav .cta{display:flex;gap:10px;margin-top:6px}
.mobile-nav .cta .btn{flex:1}

/* Sections */
section{padding:66px 0}
.section-soft{background:var(--ink-2);border-block:1px solid var(--line)}
.shead{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.shead.center{display:block;text-align:center}
.shead h2{font-size:clamp(26px,3.6vw,40px);letter-spacing:-.03em;font-weight:800;line-height:1.05;text-wrap:balance}
.shead p{color:var(--muted);max-width:48ch;margin-top:8px}
.shead.center p{margin-left:auto;margin-right:auto}

/* Grilles génériques */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* Cartes */
.card{border:1px solid var(--line);border-radius:15px;background:var(--surface);padding:24px}
.card h3{font-size:19px;font-weight:750;letter-spacing:-.02em}
.card p{color:var(--muted);font-size:14.5px}

/* Métiers (chips) */
.trades{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.trade{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border:1px solid var(--line-2);border-radius:999px;
  background:var(--surface);font-size:14px;color:var(--text);font-weight:550;transition:.15s}
.trade:hover{border-color:color-mix(in srgb,var(--hi) 45%,var(--line-2));color:var(--hi)}
.trade .e{font-size:16px}

/* Témoignages */
.quote{border:1px solid var(--line);border-radius:15px;background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:14px}
.quote .stars{color:var(--hi);letter-spacing:2px;font-size:14px}
.quote p{color:var(--text);font-size:14.5px;line-height:1.6}
.quote .who{display:flex;align-items:center;gap:11px;margin-top:auto}
.quote .av{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;color:var(--hi-ink);
  background:linear-gradient(150deg,var(--hi),var(--hi-2))}
.quote .who b{font-size:14px}
.quote .who span{font-size:12.5px;color:var(--muted-2);display:block}

/* Tarifs */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:28px 26px;display:flex;flex-direction:column}
.plan.hot{border-color:transparent;box-shadow:0 0 0 1px var(--hi),var(--shadow);position:relative;
  background:linear-gradient(180deg,color-mix(in srgb,var(--hi) 8%,var(--surface)),var(--surface))}
.plan.hot::before{content:"Recommandé";position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:linear-gradient(150deg,var(--hi),var(--hi-2));color:var(--hi-ink);font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px}
.plan h4{font-size:19px;font-weight:800}
.plan .pd{color:var(--muted);font-size:13.5px;min-height:36px;margin-top:4px}
.plan .price{font-family:var(--mono);font-size:34px;font-weight:600;margin:12px 0;letter-spacing:-.02em}
.plan .price small{font-size:14px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;display:grid;gap:10px;margin:14px 0 24px}
.plan li{display:flex;gap:10px;font-size:14px;color:var(--text)}
.plan li svg{width:16px;height:16px;color:var(--ok);flex:none;margin-top:3px}
.plan .btn{width:100%;margin-top:auto}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:16px 20px}
.faq summary{cursor:pointer;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--hi);font-size:20px;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{color:var(--hi)}
.faq p{color:var(--muted);font-size:14px;margin-top:12px}

/* Barre de filtres (page recherche) */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:22px}
.search-inline{flex:1;min-width:220px;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line-2);
  border-radius:11px;padding:0 14px;height:48px}
.search-inline svg{width:17px;height:17px;color:var(--muted-2);flex:none}
.search-inline input{flex:1;border:none;background:none;color:var(--text);font:inherit;font-size:14.5px;height:100%;outline:none}
.selectbox{height:48px;background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:11px;padding:0 12px;font:inherit;font-size:14px}
.filters-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.fchip{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer;transition:.15s;font-family:inherit}
.fchip:hover{color:var(--text)}
.fchip.on{background:color-mix(in srgb,var(--hi) 16%,transparent);color:var(--text);border-color:color-mix(in srgb,var(--hi) 40%,transparent)}
.rescount{color:var(--muted);font-size:13.5px;margin-bottom:16px}
.rescount b{color:var(--text)}

/* Résultats : liste de chantiers / offres */
.results{display:grid;gap:14px}
.rcard{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:20px 22px;transition:.16s;display:flex;gap:18px;align-items:flex-start}
.rcard:hover{border-color:color-mix(in srgb,var(--hi) 40%,var(--line-2));transform:translateY(-2px)}
.rcard .ric{width:46px;height:46px;flex:none;border-radius:11px;display:grid;place-items:center;font-size:22px;
  background:color-mix(in srgb,var(--hi) 13%,transparent);border:1px solid color-mix(in srgb,var(--hi) 26%,transparent)}
.rcard .rmain{flex:1;min-width:0}
.rcard .rtop{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rcard h3{font-size:17px;font-weight:750;letter-spacing:-.01em}
.pill{font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:999px;border:1px solid var(--line-2);color:var(--muted)}
.pill.hi{color:var(--hi);border-color:color-mix(in srgb,var(--hi) 35%,transparent);background:color-mix(in srgb,var(--hi) 10%,transparent)}
.pill.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 35%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.rcard .rdesc{color:var(--muted);font-size:14px;margin-top:6px}
.rcard .rmeta{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px;font-size:13px;color:var(--muted-2)}
.rcard .rmeta b{color:var(--text);font-weight:600}
.rcard .rside{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.rcard .budget{font-family:var(--mono);font-weight:600;color:var(--hi);font-size:15px;white-space:nowrap}
.stars-sm{color:var(--hi);font-size:13px;letter-spacing:1px}
.empty{text-align:center;color:var(--muted);padding:48px;border:1px dashed var(--line-2);border-radius:14px}

/* Formulaires */
.formcard{max-width:640px;margin:0 auto;border:1px solid var(--line-2);border-radius:18px;background:var(--surface);padding:30px clamp(20px,4vw,38px);box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;
  font:inherit;font-size:15px;background:var(--surface-2);color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid color-mix(in srgb,var(--hi) 40%,transparent);border-color:var(--hi)}
.field textarea{resize:vertical;min-height:120px}
.field.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12.5px;color:var(--muted-2);text-align:center;margin-top:12px}
.form-ok{display:none;text-align:center;padding:14px;border-radius:12px;background:color-mix(in srgb,var(--ok) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--ok) 30%,transparent);color:var(--ok);font-weight:600;margin-bottom:16px}

/* Footer */
footer.site{border-top:1px solid var(--line);padding:48px 0 34px;margin-top:20px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:12px;max-width:34ch}
.fcol h5{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.fcol a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:.15s}
.fcol a:hover{color:var(--hi)}
.foot-bot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.foot-bot p{color:var(--muted-2);font-size:13px}

/* Page header (sous-pages) */
.pagehead{padding:46px 0 30px;border-bottom:1px solid var(--line)}
.pagehead h1{font-size:clamp(26px,4vw,40px);letter-spacing:-.03em;font-weight:820;text-wrap:balance}
.pagehead p{color:var(--muted);margin-top:8px;max-width:56ch}
.crumb{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted-2);margin-bottom:14px}
.crumb a:hover{color:var(--hi)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
html:not(.js) .reveal{opacity:1;transform:none}

/* Responsive */
@media (max-width:860px){
  .nav .links{display:none}
  .nav .right .btn-ghost,.nav .right .themebtn{display:none}
  .burger{display:flex}
  .g4,.g3,.plans,.foot-top{grid-template-columns:1fr 1fr}
  .rcard{flex-wrap:wrap}
  .rcard .rside{width:100%;flex-direction:row;justify-content:space-between;align-items:center}
}
@media (max-width:560px){
  section{padding:52px 0}
  .g2,.g3,.g4,.plans,.foot-top{grid-template-columns:1fr}
  .field.two{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .btn-hi:hover{transform:none}
}
:focus-visible{outline:2px solid var(--hi);outline-offset:3px;border-radius:4px}