/* =====================================================================
   style.css — feuille de style partagée (Plomberie Chauffage Clim)
   Emplacement : /assets/css/style.css
   Toutes les pages la chargent via : <link rel="stylesheet" href="/assets/css/style.css">
   Pour changer les couleurs ou les polices du site entier : modifiez :root.
   ===================================================================== */

:root{
  --c-primary:#0c4a6e;
  --c-primary-dark:#082f49;
  --c-accent:#ea580c;
  --c-accent-dark:#c2410c;
  --c-text:#1f2937;
  --c-muted:#5b6573;
  --c-bg:#ffffff;
  --c-bg-soft:#f4f7fa;
  --c-border:#e2e8f0;
  --font-title:"Georgia","Times New Roman",serif;
  --font-body:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --radius:14px;
  --maxw:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body);color:var(--c-text);background:var(--c-bg);line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--font-title);line-height:1.2;color:var(--c-primary-dark)}
a{color:var(--c-primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- Barre d'appel ---- */
.topbar{background:var(--c-primary-dark);color:#fff;font-size:.92rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:9px 22px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}

/* ---- Hero ---- */
.hero{
  position:relative;color:#fff;padding:78px 0 70px;overflow:hidden;
  background:
    linear-gradient(160deg,rgba(8,47,73,.84) 0%,rgba(12,74,110,.74) 100%),
    #0c4a6e url("../img/chauffagiste-plombier-yerres.webp") center/cover no-repeat;
}
.hero .wrap{position:relative;z-index:1}
.eyebrow{display:inline-block;background:rgba(255,255,255,.16);padding:6px 14px;border-radius:999px;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.7rem);margin-bottom:16px;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.hero p{font-size:1.12rem;max-width:660px}

/* ---- Boutons ---- */
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;padding:14px 24px;border-radius:var(--radius);font-size:1.05rem;transition:transform .15s ease,background .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-call{background:var(--c-accent);color:#fff;box-shadow:0 8px 22px rgba(234,88,12,.4)}
.btn-call:hover{background:var(--c-accent-dark)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.5)}

/* ---- Sections ---- */
section{padding:54px 0}
section.soft{background:var(--c-bg-soft)}
.section-title{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:10px}
.section-intro{color:var(--c-muted);max-width:740px;margin-bottom:34px}
.lead p{margin-bottom:15px;font-size:1.05rem}

/* ---- Section intro : texte + photo ---- */
.intro-split{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.intro-split .text p{margin-bottom:16px;font-size:1.06rem}
.photo-frame{border-radius:var(--radius);overflow:hidden;box-shadow:0 16px 40px rgba(12,74,110,.18);line-height:0;margin:0}
.photo-frame img{width:100%;height:auto;display:block}
.photo-frame figcaption{line-height:1.4;font-size:.85rem;color:var(--c-muted);background:var(--c-bg-soft);padding:11px 15px}
@media(max-width:760px){.intro-split{grid-template-columns:1fr}}

/* ---- Cartes services ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--radius);padding:26px 24px;transition:box-shadow .2s ease,border-color .2s ease}
.card:hover{box-shadow:0 10px 30px rgba(12,74,110,.10);border-color:var(--c-primary)}
.card h3{font-size:1.18rem;margin-bottom:9px}
.card p{color:var(--c-muted);font-size:.97rem}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--c-bg-soft);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:14px}

/* ---- Tableau de prix ---- */
.price-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden}
.price-table th,.price-table td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--c-border)}
.price-table th{background:var(--c-primary-dark);color:#fff;font-family:var(--font-title);font-weight:600}
.price-table td:last-child{font-weight:700;color:var(--c-primary-dark);white-space:nowrap}
.price-table tr:last-child td{border-bottom:none}
.price-note{margin-top:14px;color:var(--c-muted);font-size:.9rem}

/* ---- Blocs info / réassurance ---- */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-top:24px}
.info-box{background:#fff;border:1px solid var(--c-border);border-left:4px solid var(--c-accent);border-radius:10px;padding:20px 22px}
.info-box strong{display:block;font-size:1.28rem;color:var(--c-primary-dark);font-family:var(--font-title)}
.info-box span{color:var(--c-muted);font-size:.94rem}

/* ---- FAQ ---- */
.faq details{background:#fff;border:1px solid var(--c-border);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--c-primary-dark);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--c-accent);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 22px 20px;color:var(--c-muted)}

/* ---- Grille des villes (page miroir) ---- */
.city-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.city-card{display:block;background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:22px;transition:box-shadow .2s ease,border-color .2s ease,transform .15s ease;position:relative}
a.city-card:hover{box-shadow:0 12px 30px rgba(12,74,110,.12);border-color:var(--c-primary);transform:translateY(-2px);text-decoration:none}
.city-card .cp{font-size:.82rem;color:var(--c-accent);font-weight:700;letter-spacing:.03em}
.city-card h3{font-size:1.22rem;margin:4px 0 8px}
.city-card p{color:var(--c-muted);font-size:.95rem}
.city-card .go{display:inline-block;margin-top:12px;font-weight:700;color:var(--c-primary)}
.city-card.soon{opacity:.72}
.badge{position:absolute;top:16px;right:16px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--c-muted);background:var(--c-bg-soft);border:1px solid var(--c-border);padding:3px 9px;border-radius:999px}

/* ---- CTA final ---- */
.cta-final{background:var(--c-primary-dark);color:#fff;text-align:center}
.cta-final h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:12px}
.cta-final p{opacity:.92;max-width:560px;margin:0 auto 26px}
.cta-final .cta-row{justify-content:center}

/* ---- Maillage interne ---- */
.links{font-size:.97rem;color:var(--c-muted)}
.links a{font-weight:600}

/* ---- Pied de page ---- */
footer{background:#0a1622;color:#aebacb;font-size:.9rem;padding:30px 0}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:#dbe5f0}
.legal{margin-top:10px;font-size:.8rem;color:#7e8ba0}

@media(max-width:600px){.hero{padding:56px 0 50px}section{padding:42px 0}}