/* Libre Caslon Text (SIL OFL 1.1, cf fonts/libre-caslon/OFL.txt) : typo des titres depuis 2026-09-24 */
@font-face{font-family:'Libre Caslon Text';src:url('../fonts/libre-caslon/LibreCaslonText-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Libre Caslon Text';src:url('../fonts/libre-caslon/LibreCaslonText-italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Libre Caslon Text';src:url('../fonts/libre-caslon/LibreCaslonText-bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
/* ==========================================================================
   PIKS · Vitrine (index.html + seo-immobilier.html)
   Version sobre (2026-09-24) : peu de texte, pas d'effets, pas de maquettes.
   Charte "Studio Scandinave" (CLAUDE.md section 15).
   ========================================================================== */
:root{
  --bg:#F4F2EC;--ink:#1A1A18;--soft:#46443B;--muted:#8A8578;
  --line:#DED9CC;--tint:#ECE8DF;
  --accent:#D85A30;--accent-soft:#C24A24;
  --serif:'Libre Caslon Text',Georgia,serif;--sans:'Inter',system-ui,sans-serif;
  --pad:clamp(16px,5vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;margin:0}
p{margin:0}

/* ---------- Header ---------- */
#piks-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid transparent;transition:border-color .2s}
#piks-header.scrolled{border-bottom-color:var(--line)}
#piks-header .wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
#piks-header .logo img{height:44px;width:auto}
#piks-header nav{display:flex;align-items:center;gap:24px;font-size:14.5px}
#piks-header nav a{text-decoration:none;color:var(--soft)}
#piks-header nav a:hover,#piks-header nav a.on{color:var(--ink)}
#piks-header nav a.on{text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--accent)}
.lang-toggle{display:inline-flex;gap:2px}
.lang-toggle button{background:none;border:none;padding:4px 5px;font:600 12px var(--sans);color:var(--muted);cursor:pointer}

/* ---------- Boutons ---------- */
.btn{display:inline-block;padding:13px 22px;border-radius:7px;font-weight:600;font-size:15px;text-decoration:none;border:none;cursor:pointer;font-family:inherit;text-align:center}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-soft)}
.btn-sm{padding:9px 15px;font-size:14px}
#piks-header nav a.btn-accent{color:#fff}
.link{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.link:hover{color:var(--accent)}

/* ---------- Sections ---------- */
.hero{padding:clamp(64px,10vw,120px) 0 clamp(56px,8vw,96px)}
.hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.08;max-width:19ch;margin-bottom:22px}
.hero p{font-size:clamp(17px,1.5vw,19px);color:var(--soft);max-width:560px;margin-bottom:34px}
.hero .hero-sub{font-size:15px;letter-spacing:.02em;color:var(--muted);margin-bottom:30px}
.hero .actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,6vw,80px);align-items:center}

/* Carte du hero : la Belgique, les communes s'allument une a une */
.bemap{width:100%;max-width:560px;justify-self:end}
.bemap svg{width:100%;height:auto;display:block;overflow:visible}
.bemap-land{fill:#FBFAF6;stroke:#CBC5B6;stroke-width:1.4;stroke-linejoin:round}
.pt .dot{fill:#CBC5B6;transition:fill .4s,r .4s}
.pt .ring{fill:none;stroke:var(--accent);stroke-width:1.5;opacity:0;transform-origin:center;transform-box:fill-box}
.pt .lab{font:500 15px var(--sans);fill:var(--ink);opacity:0;transition:opacity .4s}
.pt.on .dot{fill:var(--accent);r:5.5}
.pt.on .lab{opacity:1}
.pt.on .ring{animation:onde 1.6s ease-out 1}
.pt.vu .dot{fill:#B9A99B}
@keyframes onde{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(4)}}


.sec{padding:clamp(56px,8vw,96px) 0;border-top:1px solid var(--line)}
.sec h2{font-size:clamp(26px,3.2vw,36px);line-height:1.15;margin-bottom:18px}
.lede{font-size:17px;color:var(--soft);max-width:620px}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:clamp(24px,6vw,80px)}
.split h2{margin:0}

.rows{margin-top:10px}
.row{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:26px 0;border-top:1px solid var(--line)}
.row:last-child{border-bottom:1px solid var(--line)}
.row .n{font-family:var(--serif);font-size:20px;color:var(--muted)}
.row h3{font-size:21px;margin-bottom:6px}
.row p{color:var(--soft);max-width:640px}
.note{margin-top:20px;font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:600;font-size:16px;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--soft);padding-bottom:20px;max-width:640px}

/* ---------- Audit ---------- */
.audit{background:var(--ink);color:var(--bg);border-top:none}
.audit h2{color:var(--bg);margin-bottom:16px}
.audit .lede{color:#C9C4B6}
.audit .alt{margin-top:22px;color:#C9C4B6;font-size:15px}
.audit .alt a{color:var(--bg);text-decoration-color:var(--accent)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:13px;color:#C9C4B6;margin-bottom:6px}
.form label span{color:#8E897C}
.form input{width:100%;font:15px var(--sans);color:var(--ink);background:var(--bg);border:1px solid transparent;border-radius:6px;padding:12px 13px;outline:none}
.form input:focus{border-color:var(--accent)}
.form .btn{margin-top:6px;justify-self:start}
.form-err{display:none;grid-column:1/-1;color:#F2B49C;font-size:14px}
.form-ok{display:none}
.form-ok h3{font-size:24px;color:var(--bg);margin-bottom:10px}
.form-ok p{color:#C9C4B6;margin-bottom:18px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Footer ---------- */
.foot{padding:48px 0 36px;font-size:14px;color:var(--muted)}
.foot .top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:36px}
.foot .cols{display:flex;gap:48px;flex-wrap:wrap}
.foot .cols div{display:flex;flex-direction:column;gap:7px}
.foot a{text-decoration:none;color:var(--soft)}
.foot a:hover{color:var(--ink)}
.foot .bot{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Barre CTA mobile ---------- */
.mbar{display:none}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .split,.hero-grid{grid-template-columns:1fr}
  .bemap{justify-self:start;max-width:440px}
  #piks-header nav .hide-m{display:none}
}
@media (max-width:560px){
  #piks-header .logo img{height:36px}
  #piks-header nav{gap:14px}
  .form{grid-template-columns:1fr}
  .form .btn{width:100%}
  .row{grid-template-columns:36px minmax(0,1fr);gap:10px}
  body{padding-bottom:70px}
  .mbar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .25s}
  .mbar.show{transform:none}
  .mbar .btn{display:block;width:100%}
}
@media (max-width:380px){
  #piks-header nav .btn-sm{display:none}
}