/* =====================================================================
   TechAssist – Feuille de style globale
   ===================================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bleu:#1a4a7a;--bleu-h:#15396a;--bleu-clair:#2563a8;--bleu-pale:#eaf1f9;
  --texte:#1e1e1e;--texte-doux:#586070;--bordure:#cdd8e8;--fond:#f4f7fb;
  --blanc:#ffffff;--orange:#c9490e;--orange-h:#a83a08;--vert:#2e7d32
}
html{scroll-behavior:smooth}
body{font-family:'Source Sans 3',Arial,sans-serif;font-size:16px;color:var(--texte);background:var(--blanc);line-height:1.7}
a{color:var(--bleu-clair);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3{text-wrap:balance}
.container{max-width:1080px;margin:0 auto;padding:0 24px}

/* TOPBAR */
.topbar{background:var(--bleu);color:#b8d4ee;font-size:.81rem;padding:7px 24px;display:flex;justify-content:space-between;align-items:center}
.topbar-g{display:flex;gap:20px}
.topbar a{color:#b8d4ee}
.topbar a:hover{color:#fff;text-decoration:none}
.topbar strong{color:#fff}

/* HEADER */
.site-header{background:var(--blanc);border-bottom:3px solid var(--bleu);position:sticky;top:0;z-index:200;box-shadow:0 2px 6px rgba(26,74,122,.08)}
.header-inner{max-width:1080px;margin:0 auto;padding:11px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-img{width:44px;height:44px;flex-shrink:0}
.logo-img img{width:44px;height:44px;object-fit:contain;display:block}
.logo-texte{line-height:1.15}
.logo-nom{font-family:'Merriweather',Georgia,serif;font-size:1.2rem;font-weight:700;color:var(--bleu);display:block}
.logo-slogan{font-size:.7rem;color:var(--texte-doux);display:block}
.site-nav ul{list-style:none;display:flex;gap:2px;align-items:center}
.site-nav a{display:block;padding:7px 11px;font-size:.875rem;font-weight:600;color:var(--texte);border-radius:3px;transition:background .15s,color .15s}
.site-nav a:hover,.site-nav a.actif{background:var(--bleu-pale);color:var(--bleu);text-decoration:none}
.site-nav .btn-nav{background:var(--bleu);color:#fff;padding:8px 18px;border-radius:3px;margin-left:8px;font-weight:700}
.site-nav .btn-nav:hover{background:var(--bleu-h);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--bleu);border-radius:1px}
.mob-nav{display:none;border-top:1px solid var(--bordure);padding:6px 24px 16px}
.mob-nav.ouvert{display:block}
.mob-nav a{display:block;padding:11px 4px;border-bottom:1px solid var(--bordure);font-size:.97rem;font-weight:600;color:var(--texte)}
.mob-nav a:last-child{border-bottom:none}
.mob-nav a:hover{color:var(--bleu);text-decoration:none}

/* HERO (accueil) */
.hero{background:var(--bleu-pale);border-bottom:1px solid var(--bordure);padding:58px 24px 52px}
.hero-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 250px;gap:48px;align-items:center}
.hero-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--bleu-clair);margin-bottom:14px;display:block}
.hero h1{font-family:'Merriweather',Georgia,serif;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;color:var(--bleu);line-height:1.28;margin-bottom:16px;letter-spacing:-.3px}
.hero-desc{font-size:1.05rem;color:var(--texte-doux);max-width:520px;margin-bottom:30px;line-height:1.65}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-tel{background:var(--blanc);border:1px solid var(--bordure);border-top:4px solid var(--bleu);border-radius:4px;padding:22px 20px;text-align:center;box-shadow:0 3px 14px rgba(26,74,122,.09)}
.hero-tel .tel-label{font-size:.72rem;text-transform:uppercase;letter-spacing:1px;color:var(--texte-doux);font-weight:700;margin-bottom:10px;display:block}
.hero-tel .tel-num{font-family:'Merriweather',Georgia,serif;font-size:1.45rem;font-weight:700;color:var(--bleu);display:block;line-height:1}
.hero-tel .tel-num:hover{color:var(--orange);text-decoration:none}
.hero-tel .tel-dispo{font-size:.77rem;color:var(--vert);font-weight:600;margin-top:9px;display:flex;align-items:center;justify-content:center;gap:5px}
.hero-tel .tel-dispo::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--vert);display:inline-block}
.hero-tel hr{border:none;border-top:1px solid var(--bordure);margin:15px 0}

/* BOUTONS */
.btn-appel,.btn-orange{display:inline-block;background:var(--orange);color:#fff;font-size:.97rem;font-weight:700;padding:12px 26px;border-radius:3px;border:none;cursor:pointer;transition:background .15s;line-height:1;text-decoration:none}
.btn-appel:hover,.btn-orange:hover{background:var(--orange-h);color:#fff;text-decoration:none}
.btn-devis,.btn-contour{display:inline-block;background:var(--blanc);color:var(--bleu);font-size:.97rem;font-weight:600;padding:11px 24px;border-radius:3px;border:1.5px solid var(--bleu);cursor:pointer;transition:background .15s;line-height:1;text-decoration:none}
.btn-devis:hover,.btn-contour:hover{background:var(--bleu-pale);text-decoration:none}
.btn-wa{display:block;background:#25d366;color:#fff;font-size:.87rem;font-weight:700;padding:10px 14px;border-radius:3px;text-align:center;transition:background .15s}
.btn-wa:hover{background:#1db954;color:#fff;text-decoration:none}

/* SECTIONS */
.section{padding:62px 24px}
.section--gris{background:var(--fond);border-top:1px solid var(--bordure);border-bottom:1px solid var(--bordure)}
.section--sombre{background:#0f2236}
.s-label{font-size:.73rem;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--bleu-clair);margin-bottom:6px;display:block}
.section--sombre .s-label{color:#6aa3cc}
.s-titre{font-family:'Merriweather',Georgia,serif;font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:700;color:var(--bleu);margin-bottom:9px;line-height:1.25}
.section--sombre .s-titre{color:#fff}
.s-desc{font-size:.96rem;color:var(--texte-doux);max-width:560px;margin-bottom:38px}
.section--sombre .s-desc{color:#7faabf}
.filet{width:36px;height:3px;background:var(--orange);border:none;margin-bottom:14px}

/* A PROPOS / GRILLE 2 COL */
.apropos-grille,.grille-2{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:start}
.prose p,.apropos-texte p{margin-bottom:14px;color:var(--texte-doux);font-size:.97rem}
.prose p:last-child,.apropos-texte p:last-child{margin-bottom:0}
.prose strong,.apropos-texte strong{color:var(--texte)}
.prose h3{font-family:'Merriweather',Georgia,serif;font-size:1.05rem;font-weight:700;color:var(--bleu);margin:22px 0 8px}
.prose ul{margin:10px 0 14px 18px}
.prose ul li{font-size:.95rem;color:var(--texte-doux);margin-bottom:5px;line-height:1.6}
.liste-points,.liste-check{list-style:none}
.liste-points li,.liste-check li{padding:10px 0;border-bottom:1px solid var(--bordure);font-size:.93rem;color:var(--texte);display:flex;align-items:flex-start;gap:10px}
.liste-points li:first-child,.liste-check li:first-child{border-top:1px solid var(--bordure)}
.liste-points li .ck,.liste-check li .ck{color:var(--bleu-clair);font-weight:700;flex-shrink:0;font-size:.85rem;margin-top:2px}

/* SERVICES */
.services-grille{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--bordure);border-radius:4px;overflow:hidden}
.srv{padding:24px 20px;border-right:1px solid var(--bordure);border-bottom:1px solid var(--bordure);background:var(--blanc);transition:background .15s;text-decoration:none;display:block}
.srv:hover{background:#f0f6fc;text-decoration:none}
.srv:nth-child(3n){border-right:none}
.srv:nth-last-child(-n+3){border-bottom:none}
.srv-ico{width:36px;height:36px;margin-bottom:12px}
.srv-ico img{width:36px;height:36px;object-fit:contain}
.srv h3{font-size:.96rem;font-weight:700;color:var(--bleu);margin-bottom:7px;line-height:1.3}
.srv p{font-size:.83rem;color:var(--texte-doux);line-height:1.55}

/* TARIFS */
table.t,.tarifs-table{width:100%;border-collapse:collapse;font-size:.93rem;border:1px solid var(--bordure);border-radius:4px;overflow:hidden}
table.t thead th,.tarifs-table thead th{background:var(--bleu);color:#fff;padding:12px 16px;text-align:left;font-size:.79rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
table.t tbody tr,.tarifs-table tbody tr{border-bottom:1px solid var(--bordure)}
table.t tbody tr:last-child,.tarifs-table tbody tr:last-child{border-bottom:none}
table.t tbody tr:nth-child(odd),.tarifs-table tbody tr:nth-child(odd){background:var(--fond)}
table.t tbody tr:hover,.tarifs-table tbody tr:hover{background:#ddeaf7}
table.t td,.tarifs-table td{padding:12px 16px;vertical-align:middle}
table.t td:first-child,.tarifs-table td:first-child{font-weight:700}
table.t td:last-child,.tarifs-table td:last-child{font-weight:700;color:var(--bleu);white-space:nowrap}
.det,.detail{display:block;font-size:.79rem;color:var(--texte-doux);font-weight:400;margin-top:3px}
.t-note,.tarifs-note{margin-top:14px;padding:12px 16px;background:#fffbef;border-left:3px solid #d4a017;font-size:.87rem;color:#5a4200;border-radius:0 3px 3px 0}

/* ENGAGEMENTS */
.eng-grille{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.eng-item{border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);border-radius:4px;padding:22px;display:flex;gap:15px;align-items:flex-start}
.eng-ico{width:38px;height:38px;flex-shrink:0;background:rgba(255,255,255,.09);border-radius:6px;display:flex;align-items:center;justify-content:center}
.eng-ico img{width:22px;height:22px;object-fit:contain;filter:brightness(0) invert(1)}
.eng-item h3{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:5px}
.eng-item p{font-size:.83rem;color:#7faabf;line-height:1.55}

/* ZONE */
.zone-section{background:var(--bleu-pale);border-top:1px solid var(--bordure);border-bottom:1px solid var(--bordure);padding:52px 24px}
.zone-inner{max-width:1080px;margin:0 auto}
.zone-texte h2{font-family:'Merriweather',Georgia,serif;font-size:1.4rem;font-weight:700;color:var(--bleu);margin-bottom:10px}
.zone-texte p{font-size:.95rem;color:var(--texte-doux);margin-bottom:18px;max-width:680px}
.zone-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.ztag{background:var(--blanc);border:1px solid var(--bordure);color:var(--bleu);font-size:.82rem;font-weight:600;padding:6px 12px;border-radius:3px;transition:background .15s,border-color .15s}
.ztag:hover{background:var(--bleu);color:#fff;border-color:var(--bleu);text-decoration:none}
.ztag.principal{background:var(--bleu);color:#fff;border-color:var(--bleu)}

/* PAGE HERO (pages internes) */
.page-hero{background:var(--bleu-pale);border-bottom:1px solid var(--bordure);padding:44px 24px 40px}
.page-hero-inner{max-width:1080px;margin:0 auto}
.breadcrumb{font-size:.8rem;color:var(--texte-doux);margin-bottom:14px}
.breadcrumb a{color:var(--bleu-clair)}
.breadcrumb span{margin:0 6px}
.page-hero h1{font-family:'Merriweather',Georgia,serif;font-size:clamp(1.45rem,3vw,2rem);font-weight:700;color:var(--bleu);margin-bottom:10px;line-height:1.28}
.page-hero p{font-size:1rem;color:var(--texte-doux);max-width:640px;line-height:1.65}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ENCART TECHNICIEN */
.encart-tech{margin-top:24px;padding:16px 18px;background:var(--bleu-pale);border:1px solid var(--bordure);border-radius:4px}
.encart-tech .et-l{font-size:.72rem;color:var(--texte-doux);margin-bottom:4px;font-weight:700;text-transform:uppercase;letter-spacing:.8px}
.encart-tech .et-nom{font-size:1rem;font-weight:700;color:var(--bleu)}
.encart-tech .et-sous{font-size:.85rem;color:var(--texte-doux);margin-top:3px}
.encart-tech a{display:block;margin-top:10px;font-size:1rem;font-weight:700;color:var(--bleu)}

/* ETAPES */
.etapes{display:flex;flex-direction:column}
.etape{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--bordure)}
.etape:last-child{border-bottom:none}
.etape-num{width:32px;height:32px;background:var(--bleu);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;flex-shrink:0;margin-top:2px}
.etape h3{font-size:.97rem;font-weight:700;color:var(--bleu);margin-bottom:4px}
.etape p{font-size:.86rem;color:var(--texte-doux);line-height:1.55}

/* FAQ */
.faq-liste{max-width:730px}
.faq-item{border-bottom:1px solid var(--bordure)}
.faq-item:first-child{border-top:1px solid var(--bordure)}
.faq-btn{width:100%;background:none;border:none;padding:16px 4px;text-align:left;font-family:'Source Sans 3',Arial,sans-serif;font-size:.97rem;font-weight:700;color:var(--texte);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:color .15s}
.faq-btn:hover{color:var(--bleu)}
.faq-signe{font-style:normal;font-size:1.15rem;color:var(--bleu-clair);flex-shrink:0;transition:transform .25s}
.faq-item.ouvert .faq-signe{transform:rotate(45deg)}
.faq-corps{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.ouvert .faq-corps{max-height:320px}
.faq-corps-inner{padding:2px 4px 18px;font-size:.91rem;color:var(--texte-doux);line-height:1.7}

/* CONTACT */
.contact-grille{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start}
.cbloc{padding:16px 0;border-bottom:1px solid var(--bordure)}
.cbloc:first-child{border-top:1px solid var(--bordure)}
.cbloc-label{font-size:.72rem;text-transform:uppercase;letter-spacing:1px;color:var(--texte-doux);font-weight:700;display:block;margin-bottom:5px}
.cbloc .val{font-family:'Merriweather',Georgia,serif;font-size:1.15rem;font-weight:700;color:var(--bleu);display:block}
.cbloc .sous{font-size:.82rem;color:var(--texte-doux);display:block;margin-top:3px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fchamp{margin-bottom:14px}
.fchamp label{display:block;font-size:.85rem;font-weight:600;color:var(--texte);margin-bottom:5px}
.fchamp input,.fchamp select,.fchamp textarea{width:100%;padding:10px 12px;border:1px solid var(--bordure);border-radius:3px;font-family:inherit;font-size:.93rem;color:var(--texte);background:var(--blanc)}
.fchamp input:focus,.fchamp select:focus,.fchamp textarea:focus{outline:none;border-color:var(--bleu-clair);box-shadow:0 0 0 3px rgba(37,99,168,.12)}
.fchamp textarea{min-height:90px;resize:vertical}
.btn-envoyer{background:var(--orange);color:#fff;border:none;padding:13px 28px;border-radius:3px;font-size:.97rem;font-weight:700;cursor:pointer;transition:background .15s}
.btn-envoyer:hover{background:var(--orange-h)}
.form-ok{display:none;padding:24px;background:#eef7ee;border:1px solid #cfe6cf;border-radius:4px;color:#2e5a2e;font-size:.95rem}

/* CTA BAS */
.cta-bas{background:var(--bleu);padding:48px 24px;text-align:center}
.cta-bas h2{font-family:'Merriweather',Georgia,serif;font-size:1.45rem;font-weight:700;color:#fff;margin-bottom:10px}
.cta-bas p{font-size:.97rem;color:#8fb8d8;margin-bottom:24px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.btn-blanc{display:inline-block;background:#fff;color:var(--bleu);font-size:.97rem;font-weight:700;padding:12px 28px;border-radius:3px;transition:background .15s}
.btn-blanc:hover{background:#d8e8f5;text-decoration:none;color:var(--bleu)}
.btn-wa-bas{display:inline-block;background:#25d366;color:#fff;font-size:.97rem;font-weight:700;padding:12px 28px;border-radius:3px;transition:background .15s}
.btn-wa-bas:hover{background:#1db954;color:#fff;text-decoration:none}

/* LIENS PAGES / VILLES */
.pages-grille{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.page-lien{display:block;padding:16px 18px;background:var(--blanc);border:1px solid var(--bordure);border-radius:4px;transition:border-color .15s,background .15s;text-decoration:none}
.page-lien:hover{border-color:var(--bleu-clair);background:var(--bleu-pale);text-decoration:none}
.page-lien .pl-titre{font-weight:700;font-size:.93rem;color:var(--bleu);display:block;margin-bottom:3px}
.page-lien .pl-desc{font-size:.8rem;color:var(--texte-doux)}

/* FOOTER */
.site-footer{background:#0d1a27;color:#6a8aa0;padding:34px 24px 18px}
.footer-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding-bottom:18px;border-bottom:1px solid #1a2d3e;margin-bottom:12px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:9px}
.footer-logo img{width:32px;height:32px;object-fit:contain}
.footer-nom{font-family:'Merriweather',Georgia,serif;font-size:.97rem;font-weight:700;color:#fff}
.footer-desc{font-size:.81rem;line-height:1.65}
.footer-col-titre{font-size:.73rem;text-transform:uppercase;letter-spacing:1px;color:#8aabbf;font-weight:700;margin-bottom:9px;display:block}
.footer-nav a,.footer-contact a,.footer-contact span{display:block;font-size:.82rem;color:#6a8aa0;margin-bottom:5px}
.footer-nav a:hover,.footer-contact a:hover{color:#fff;text-decoration:none}
.footer-copy{max-width:1080px;margin:0 auto;font-size:.75rem;color:#516a7e}
.footer-copy a{color:#7796ab}

/* MOBILE CTA FIXE */
.mob-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:300;background:var(--blanc);border-top:1px solid var(--bordure);padding:10px 16px;gap:10px;box-shadow:0 -3px 10px rgba(0,0,0,.08)}
.mob-cta a{flex:1;text-align:center;padding:12px 8px;border-radius:3px;font-weight:700;font-size:.9rem;display:block}
.mcta-tel{background:var(--bleu);color:#fff}
.mcta-tel:hover{background:var(--bleu-h);color:#fff;text-decoration:none}
.mcta-wa{background:#25d366;color:#fff}
.mcta-wa:hover{background:#1db954;color:#fff;text-decoration:none}

/* RESPONSIVE */
@media(max-width:960px){.pages-grille{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:820px){.hero-inner{grid-template-columns:1fr;gap:32px}.contact-grille{grid-template-columns:1fr;gap:28px}}
@media(max-width:720px){.grille-2,.apropos-grille{grid-template-columns:1fr;gap:28px}.services-grille{grid-template-columns:1fr}.srv{border-right:none}.eng-grille{grid-template-columns:1fr}.frow{grid-template-columns:1fr}}
@media(max-width:620px){.site-nav{display:none}.nav-toggle{display:flex}.mob-cta{display:flex}.section{padding:42px 18px 60px}.page-hero{padding:36px 18px 38px}.hero{padding:40px 18px}body{padding-bottom:62px}.topbar-g{display:none}.pages-grille{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}}