:root{
  --ink:#1d2b3a;--ink-2:#44546a;--muted:#6b7a8c;--line:#e3e7ec;
  --bg:#ffffff;--bg-soft:#f6f4f0;--bg-dark:#1d2b3a;
  --accent:#e07a2f;--accent-dark:#b85f1c;--ok:#2f8f5b;
  --radius:12px;--shadow:0 6px 24px rgba(29,43,58,.08);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent-dark)}
a:hover{color:var(--ink)}
h1,h2,h3{line-height:1.2;margin:1.6em 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.5vw,2.8rem);margin-top:.3em}
h2{font-size:clamp(1.45rem,3vw,1.9rem)}
h3{font-size:1.2rem}
p,ul,ol{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.narrow{max-width:780px}
.small{font-size:.88rem;color:var(--muted)}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:99}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:1.15rem}
.logo strong{color:var(--accent)}
.logo small{color:var(--muted);font-weight:400}
.nav{display:flex;align-items:center;gap:22px}
.nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.nav a{text-decoration:none;color:var(--ink);font-weight:500}
.nav a:hover,.nav a[aria-current]{color:var(--accent-dark)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 14px;font:inherit;cursor:pointer}
@media (max-width:900px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;flex-direction:column;align-items:stretch;padding:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav ul{flex-direction:column;gap:4px}
  .nav ul a{display:block;padding:10px 4px}
}

/* Buttons */
.btn{display:inline-block;padding:12px 22px;border-radius:999px;text-decoration:none;font-weight:600;border:2px solid transparent;transition:.15s}
.btn-accent{background:var(--accent);color:#fff!important}
.btn-accent:hover{background:var(--accent-dark)}
.btn-ghost{border-color:currentColor;color:inherit!important}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:1.4em 0}

/* Breadcrumb */
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:14px 0 0;margin:0;font-size:.88rem;color:var(--muted)}
.breadcrumb li+li::before{content:"›";margin-right:6px}
.breadcrumb a{color:var(--muted)}

/* Hero */
.hero{background:linear-gradient(135deg,#1d2b3a 0%,#2c4058 100%);color:#fff;padding:56px 0 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(224,122,47,.35),transparent 70%)}
.hero h1{color:#fff;max-width:760px}
.hero p.lead{font-size:1.15rem;max-width:680px;color:#d7dee7}
.hero .badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;padding:0;list-style:none}
.hero .badges li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:6px 12px;border-radius:999px;font-size:.9rem}
.page-hero{background:var(--bg-soft);padding:28px 0 36px;border-bottom:1px solid var(--line)}
.page-hero p.lead{font-size:1.1rem;color:var(--ink-2);max-width:760px}

/* "En bref" answer block (GEO) */
.tldr{background:#fff7f0;border-left:4px solid var(--accent);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:24px 0}
.tldr>strong:first-child{display:block;text-transform:uppercase;font-size:.78rem;letter-spacing:.08em;color:var(--accent-dark);margin-bottom:4px}
.tldr p:last-child{margin:0}

/* Sections & cards */
section{padding:48px 0}
section.alt{background:var(--bg-soft)}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin:.2em 0 .4em}
.card p{color:var(--ink-2);flex:1}
.card .price{font-weight:700;color:var(--accent-dark)}
.card a.more{font-weight:600;text-decoration:none}
.icon{width:44px;height:44px;border-radius:10px;background:#fff1e5;display:grid;place-items:center;color:var(--accent-dark);font-size:1.4rem}
.checks{list-style:none;padding:0}
.checks li{padding-left:30px;position:relative;margin-bottom:.5em}
.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:700}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 20px 64px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700}
.two-col{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:860px){.two-col{grid-template-columns:3fr 2fr}}
aside.box{background:var(--bg-soft);border-radius:var(--radius);padding:22px;align-self:start;position:sticky;top:90px}

/* Tables */
.table-wrap{overflow-x:auto;margin:1em 0 1.5em}
table{border-collapse:collapse;width:100%;min-width:480px;background:#fff}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--bg-dark);color:#fff;font-weight:600}
tr:nth-child(even) td{background:#fafbfc}
td.num{white-space:nowrap;font-weight:600}

/* Zones */
.zone{border-top:4px solid var(--accent)}
.zone.z2{border-top-color:#d9a13b}
.zone.z3{border-top-color:#5b8bb8}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0}
.tags li{background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:.88rem}

/* FAQ */
.faq-list details{border:1px solid var(--line);border-radius:var(--radius);padding:0 18px;margin-bottom:10px;background:#fff}
.faq-list summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;position:relative;padding-right:28px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.4rem;color:var(--accent)}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p{margin:0 0 16px;color:var(--ink-2)}

/* CTA band */
.cta-band{background:var(--accent);color:#fff;text-align:center;padding:44px 0}
.cta-band h2{margin-top:0;color:#fff}
.cta-band .btn-accent{background:#fff;color:var(--accent-dark)!important}

/* Form */
form.devis{display:grid;gap:14px}
form.devis label{font-weight:600;display:block;margin-bottom:4px}
form.devis input,form.devis select,form.devis textarea{width:100%;padding:12px;border:1px solid #cbd3dc;border-radius:8px;font:inherit}
form.devis .row{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){form.devis .row{grid-template-columns:1fr 1fr}}
.hidden{display:none}
button.btn{cursor:pointer;font:inherit;font-weight:600}

/* Article */
.article-meta{color:var(--muted);font-size:.92rem}
.author-box{display:flex;gap:16px;align-items:center;background:var(--bg-soft);padding:18px;border-radius:var(--radius);margin:32px 0}

/* Footer */
.site-footer{background:var(--bg-dark);color:#c5cfdb;padding:48px 0 90px;margin-top:0}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.footer-grid ul{list-style:none;padding:0}
.footer-grid li{margin-bottom:6px}
.footer-brand{font-size:1.2rem;font-weight:700;color:#fff}
.footer-title{font-weight:700;color:#fff;text-transform:uppercase;font-size:.8rem;letter-spacing:.08em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:18px}
.site-footer .small{color:#93a1b2}

/* Mobile contact bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;display:none;z-index:60;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.mobile-bar a{flex:1;text-align:center;padding:14px 4px;font-weight:700;text-decoration:none;color:var(--ink)}
.mobile-bar a.accent{background:var(--accent);color:#fff}
@media(max-width:760px){.mobile-bar{display:flex}body{font-size:16px}section{padding:36px 0}}
@media(min-width:761px){.site-footer{padding-bottom:48px}}