/* ==========================================================================
   Chabrier Plomberie — feuille de style
   Palette ancrée dans le métier : laiton/cuivre des raccords + bleu pétrole de l'eau
   ========================================================================== */

:root{
  --ink:#131A1D;
  --petrol:#0F3640;
  --petrol-deep:#0A262E;
  --copper:#BC6638;
  --copper-bright:#D67E47;
  --paper:#F6F3EE;
  --paper-2:#FFFFFF;
  --line:#E1DACF;
  --muted:#566064;
  --urgence:#C23A33;
  --maxw:1180px;
  --radius:14px;
  --shadow:0 18px 50px -28px rgba(15,54,64,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{
  font-family:"Archivo",system-ui,sans-serif;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.05;
  margin:0 0 .5em;
}
h1{font-size:clamp(2.1rem,5.5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 1rem}
a{color:var(--petrol);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{
  font-family:"Archivo",sans-serif;font-weight:700;
  text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;
  color:var(--copper);
}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:"Archivo",sans-serif;font-weight:700;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  line-height:1;
}
.btn:hover{transform:translateY(-2px)}
.btn-call{background:var(--copper);color:#fff;box-shadow:var(--shadow)}
.btn-call:hover{background:var(--copper-bright)}
.btn-ghost{background:transparent;color:var(--petrol);border-color:var(--petrol)}
.btn-ghost:hover{background:var(--petrol);color:#fff}
.btn-urgence{background:var(--urgence);color:#fff}

/* ---------- En-tête ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(246,243,238,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Archivo",sans-serif;font-weight:800;font-size:1.15rem;color:var(--petrol-deep)}
.brand .mark{
  width:34px;height:34px;border-radius:9px;background:var(--petrol);
  display:grid;place-items:center;color:var(--copper-bright);font-size:1.1rem;
}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{font-weight:500;color:var(--ink);font-size:.96rem}
.nav a:hover{color:var(--copper)}
.nav .btn{padding:.6rem 1.1rem;font-size:.92rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--petrol-deep)}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(188,102,56,.18), transparent 55%),
    linear-gradient(180deg,var(--petrol-deep),var(--petrol));
  color:#EAF1F2;position:relative;overflow:hidden;
}
.hero .wrap{padding:clamp(3rem,7vw,5.5rem) 22px clamp(3rem,6vw,4.5rem)}
.hero h1{color:#fff;max-width:14ch}
.hero .lede{font-size:1.15rem;color:#C5D4D6;max-width:46ch;margin-bottom:1.8rem}
.hero .eyebrow{color:var(--copper-bright)}
.avail{
  display:inline-flex;align-items:center;gap:.5rem;margin-bottom:1.4rem;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:.4rem .9rem;border-radius:999px;font-size:.85rem;color:#DDE8E9;
}
.dot{width:9px;height:9px;border-radius:50%;background:#5BD08A;box-shadow:0 0 0 0 rgba(91,208,138,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(91,208,138,.6)}70%{box-shadow:0 0 0 9px rgba(91,208,138,0)}100%{box-shadow:0 0 0 0 rgba(91,208,138,0)}}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero-phone{font-family:"Archivo",sans-serif;font-weight:800;font-size:1.4rem;color:#fff;margin-top:1.6rem;display:flex;align-items:center;gap:.6rem}
.hero-phone span{color:var(--copper-bright)}
.trust-row{display:flex;flex-wrap:wrap;gap:1.4rem 2rem;margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.12)}
.trust-row .ti{font-size:.9rem;color:#C5D4D6;display:flex;align-items:center;gap:.5rem}
.trust-row b{color:#fff;font-family:"Archivo",sans-serif}

/* ---------- Sections ---------- */
section{padding:clamp(3rem,6vw,5rem) 0}
.section-head{max-width:60ch;margin-bottom:2.4rem}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ---------- Grille services ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.1rem}
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--copper)}
.card .ic{width:46px;height:46px;border-radius:11px;background:rgba(188,102,56,.12);color:var(--copper);display:grid;place-items:center;margin-bottom:1rem;font-size:1.4rem}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.96rem;margin:0}

/* ---------- Bande urgence ---------- */
.urgence-band{background:var(--petrol);color:#fff}
.urgence-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}
.urgence-band h2{color:#fff;margin:0}
.urgence-band p{color:#C5D4D6;margin:.4rem 0 0;max-width:48ch}

/* ---------- Étapes ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.4rem;counter-reset:step}
.step{position:relative;padding-left:3.2rem}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:-.2rem;font-family:"Archivo",sans-serif;font-weight:800;
  font-size:1.4rem;color:var(--copper);
}
.step h3{margin-bottom:.3rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}

/* ---------- Zone ---------- */
.zone-list{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.zone-list span{background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:.45rem 1rem;font-size:.9rem;color:var(--ink)}
.zone-list span b{color:var(--copper)}

/* ---------- FAQ ---------- */
.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line);padding:1.1rem 0}
.faq summary{font-family:"Archivo",sans-serif;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--copper);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.8rem 0 0;color:var(--muted)}

/* ---------- CTA final ---------- */
.cta-final{background:linear-gradient(180deg,var(--petrol),var(--petrol-deep));color:#fff;text-align:center}
.cta-final h2{color:#fff}
.cta-final p{color:#C5D4D6;max-width:44ch;margin:0 auto 1.8rem}
.cta-final .hero-actions{justify-content:center}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.contact-grid .info p{margin:0 0 .3rem}
.contact-grid .info .label{font-family:"Archivo",sans-serif;font-weight:700;color:var(--petrol);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin-top:1.4rem}
.contact-grid .info a{font-size:1.1rem;font-weight:600}
.field{margin-bottom:1rem}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.35rem}
.field input,.field textarea{width:100%;padding:.8rem 1rem;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
.field input:focus,.field textarea:focus{outline:2px solid var(--copper);border-color:transparent}

/* ---------- Articles blog ---------- */
.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.3rem}
.post{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s,box-shadow .18s}
.post:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.post .body{padding:1.4rem}
.post .cat{color:var(--copper);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.post h3{margin:.5rem 0 .4rem;font-size:1.15rem}
.post p{color:var(--muted);font-size:.92rem;margin:0}

/* ---------- Pied de page ---------- */
.site-foot{background:var(--petrol-deep);color:#A9BABB;padding:3rem 0 2rem}
.site-foot .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
.site-foot h4{color:#fff;font-family:"Archivo",sans-serif;font-size:.9rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 1rem}
.site-foot a{color:#A9BABB;display:block;margin-bottom:.5rem;font-size:.95rem}
.site-foot a:hover{color:var(--copper-bright)}
.site-foot .brand{color:#fff;margin-bottom:1rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding-top:1.4rem;font-size:.82rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem}

/* ---------- Bouton appel flottant (mobile) ---------- */
.call-fab{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:60;
  justify-content:center;background:var(--urgence);color:#fff;
  font-family:"Archivo",sans-serif;font-weight:800;font-size:1.1rem;
  padding:1rem;border-radius:14px;box-shadow:0 12px 30px -8px rgba(0,0,0,.5)}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;background:var(--paper);
    border-bottom:1px solid var(--line);padding:1.2rem 22px;gap:1rem;align-items:flex-start;
    transform:translateY(-120%);transition:transform .25s ease;box-shadow:var(--shadow)}
  .nav.open{transform:translateY(0)}
  .nav-toggle{display:block}
  .contact-grid{grid-template-columns:1fr;gap:1.6rem}
  .site-foot .grid{grid-template-columns:1fr}
  .call-fab{display:flex}
  body{padding-bottom:84px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}