/* AE Chauffage Sàrl — feuille de style */
:root{
  --navy:#0f2a44; --navy-2:#173b5e; --flame:#e8590c; --flame-2:#c94a07;
  --ink:#1c2430; --muted:#5b6675; --line:#e3e7ec; --bg-alt:#f4f6f8; --white:#fff;
  --radius:14px; --shadow:0 6px 24px rgba(15,42,68,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.6;font-size:17px;background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:var(--flame-2)}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .6em}
h1{font-size:clamp(1.9rem,4.5vw,3rem)}
h2{font-size:clamp(1.45rem,3vw,2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.narrow{max-width:680px;margin-left:auto;margin-right:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:100}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:.5em;background:var(--flame);color:#fff;text-decoration:none;font-weight:600;padding:.85em 1.4em;border-radius:999px;border:2px solid var(--flame);cursor:pointer;font-size:1rem;transition:background .2s,transform .1s}
.btn:hover{background:var(--flame-2);border-color:var(--flame-2)}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:.55em 1.1em;font-size:.92rem}
.btn-light{background:#fff;color:var(--navy);border-color:#fff}
.btn-light:hover{background:#f1f1f1;border-color:#f1f1f1}
.btn-outline{background:transparent;border-color:#fff;color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost{background:transparent;color:var(--flame-2);border-color:var(--flame)}
.btn-ghost:hover{background:var(--flame);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.2em}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:10px;padding-bottom:10px}
.brand img{height:52px;width:auto}
.brand{text-decoration:none}
.brand-txt{font-size:1.5rem;color:var(--navy);font-weight:500}.brand-txt b{color:var(--flame)}
.header-actions{display:flex;align-items:center;gap:14px}
.tel-link{display:flex;align-items:center;gap:6px;color:var(--navy);font-weight:700;text-decoration:none}
.menu-btn{display:none;background:var(--navy);color:#fff;border:0;border-radius:8px;padding:.55em 1em;font-size:.95rem;cursor:pointer}
.main-nav{background:var(--navy)}
.main-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:2px;margin:0 auto;padding-top:0;padding-bottom:0}
.main-nav a{display:block;color:#dfe7ef;text-decoration:none;padding:.7em .62em;font-size:.9rem;font-weight:500}
.main-nav a:hover,.main-nav a[aria-current]{color:#fff;box-shadow:inset 0 -3px 0 var(--flame)}

/* Bannière */
.hero{position:relative;color:#fff;background-color:var(--navy);background-position:center;background-size:cover;background-repeat:no-repeat}
.hero-in{padding-top:90px;padding-bottom:90px;max-width:820px;margin-left:max(20px,calc((100% - 1180px)/2 + 20px))}
.hero h1{color:#fff}
.hero .lead{font-size:1.15rem;color:#e6edf4;max-width:640px}
.hero .lead a{color:#fff}
.hero-small .hero-in{padding-top:60px;padding-bottom:60px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:#ffb27a;margin-bottom:.6em}
.badge{display:inline-block;background:var(--flame);color:#fff;font-weight:700;font-size:.85rem;padding:.35em .9em;border-radius:999px;margin-bottom:1em}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.intro{max-width:820px;text-align:center}
.intro p{font-size:1.1rem;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.img-col{grid-template-columns:1fr 1fr;align-items:center}
.rounded{border-radius:var(--radius)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;margin-top:32px}
.grid.four{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.svc{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.svc:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(15,42,68,.14)}
.svc p{color:var(--muted);font-size:.97rem;flex:1}
.ico{width:52px;height:52px;border-radius:12px;background:#fdeee5;color:var(--flame);display:grid;place-items:center;margin-bottom:14px}
.more{color:var(--flame-2);font-weight:600;font-size:.93rem}
.why{border-left:4px solid var(--flame);padding:4px 0 4px 18px}
.why p{color:var(--muted);margin:0}
.checks{list-style:none;padding:0;margin:0}
.checks li{padding:.5em 0 .5em 32px;position:relative;border-bottom:1px solid var(--line)}
.checks li:last-child{border-bottom:0}
.checks li::before{content:"";position:absolute;left:0;top:.75em;width:20px;height:20px;border-radius:50%;background:var(--flame) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.other-services{margin-top:40px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.other-services span{color:var(--muted);font-weight:600;margin-right:4px}
.other-services a{background:var(--bg-alt);border:1px solid var(--line);border-radius:999px;padding:.35em .9em;text-decoration:none;color:var(--navy);font-size:.92rem}
.other-services a:hover{border-color:var(--flame);color:var(--flame-2)}
.addr{font-style:normal;margin-top:1em}
address{font-style:normal}
.map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;margin-top:0}
.map iframe{width:100%;height:100%;border:0;display:block}

/* Urgence */
.urgent{background:var(--flame);color:#fff;padding:44px 0}
.urgent h2{color:#fff;margin-bottom:.3em}
.urgent p{margin:0;color:#fff3ea}
.urgent-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.urgent .btns{margin-top:0}

/* Étapes */
.steps{list-style:none;counter-reset:s;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin:32px 0 0}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;margin-bottom:12px}
.steps strong{display:block;color:var(--navy)}
.steps span{color:var(--muted)}

/* Réalisations */
.real{padding:0;overflow:hidden;display:flex;flex-direction:column}
.real img{aspect-ratio:16/10;object-fit:cover;width:100%}
.real div{padding:20px 22px}
.real p{color:var(--muted);margin:0}

/* Bandeau d'appel */
.cta-band{background:var(--navy);color:#fff;padding:56px 0;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:#d6e0ea}
.cta-in{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.van{max-height:220px;width:auto;justify-self:end}

/* Formulaire */
.contact-grid{grid-template-columns:1.4fr 1fr}
.form label{display:block;font-weight:600;font-size:.93rem;color:var(--navy);margin-bottom:14px}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:6px;padding:.75em .9em;border:1px solid #cfd6de;border-radius:10px;font:inherit;font-weight:400;color:var(--ink);background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--flame);outline-offset:1px;border-color:var(--flame)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .invalid{border-color:#c62828;background:#fff6f6}
.hint{font-size:.88rem;color:var(--muted)}
.form-error{color:#c62828;font-weight:600}
aside .card{margin-bottom:20px}
.urgent-card{background:var(--flame);color:#fff;border:0}
.urgent-card h2{color:#fff;margin-bottom:.2em}
.prose{max-width:780px}
.prose h2{margin-top:1.6em;font-size:1.3rem}

/* Pied de page */
.site-footer{background:#0b1f33;color:#b9c6d3;padding:56px 0 0;font-size:.95rem}
.site-footer h2{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.08em}
.site-footer a{color:#e3eaf1;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.4em}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-logo{height:54px;width:auto;margin-bottom:14px}
.footer-cta .btn-ghost{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:18px 20px;font-size:.85rem}
.mobile-bar{display:none}

/* Mobile */
@media (max-width:980px){
  .menu-btn{display:block}
  .main-nav{display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:8px 20px 16px}
  .main-nav a{padding:.8em 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .main-nav a[aria-current]{box-shadow:none;color:#ffb27a}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px;padding-bottom:58px}
  .tel-link span,.header-actions .btn-sm{display:none}
  .brand img{height:42px}
  .two-col,.img-col,.contact-grid,.cta-in{grid-template-columns:1fr;gap:28px}
  .van{justify-self:center;max-height:160px}
  .hero-in{padding-top:56px;padding-bottom:56px}
  .section{padding:52px 0}
  .form .row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr}
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;bottom:0;left:0;right:0;z-index:60;box-shadow:0 -2px 12px rgba(0,0,0,.15)}
  .mobile-bar a{text-align:center;padding:16px;font-weight:700;text-decoration:none;color:#fff;background:var(--flame)}
  .mobile-bar a+a{background:var(--navy)}
}

/* --- Tailles logo / en-tête --- */
.brand img{height:78px}
.header-in{padding-top:8px;padding-bottom:8px}
.eyebrow{font-size:1.1rem;letter-spacing:.1em}
.footer-logo{height:70px}
@media (max-width:760px){.brand img{height:62px}.eyebrow{font-size:.95rem}}

/* --- Bannière d'accueil --- */
.hero-home{overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;min-height:calc(100vh - 140px);max-height:820px;padding-top:40px;padding-bottom:40px}
.hero-title{margin:0 0 .3em;line-height:0}
.hero-logo{width:min(620px,100%);height:auto;margin-left:-3%;filter:drop-shadow(0 4px 18px rgba(0,0,0,.35))}
.hero-claim{font-size:clamp(1.5rem,3.2vw,2.4rem);font-weight:700;color:#fff;line-height:1.2;margin:0 0 .6em}
.hero-claim strong{color:#ffb27a}
.hero-home .lead{font-size:1.2rem;color:#e6edf4;max-width:560px}
.hero-home .lead strong{color:#fff}
.btn-lg{font-size:1.1rem;padding:1em 1.6em}

/* --- Véhicule interactif --- */
.van-stage{position:relative;display:flex;flex-direction:column;align-items:center}
.van-btn{position:relative;background:none;border:0;padding:60px 0 0;cursor:pointer;width:100%;max-width:620px;animation:van-in 1.6s cubic-bezier(.2,.8,.25,1) .2s both}
.van-img{width:100%;height:auto;position:relative;z-index:2;animation:van-idle 2.4s ease-in-out 1.8s infinite;filter:drop-shadow(0 18px 22px rgba(0,0,0,.45));transition:transform .3s}
.van-shadow{position:absolute;left:10%;right:10%;bottom:2%;height:14px;border-radius:50%;background:rgba(0,0,0,.45);filter:blur(8px);z-index:1}
.van-btn:hover .van-img,.van-btn:focus-visible .van-img{transform:translateY(-6px) rotate(-1.5deg)}
.van-btn:focus-visible{outline:3px solid #ffb27a;outline-offset:6px;border-radius:12px}
.van-bubble{position:absolute;top:0;right:8%;z-index:3;background:#fff;color:var(--navy);font-weight:600;font-size:1rem;line-height:1.35;padding:.7em 1.1em;border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,.25);opacity:0;transform:translateY(10px) scale(.9);transition:opacity .3s,transform .3s;pointer-events:none;text-align:left}
.van-bubble b{color:var(--flame-2);font-size:1.15rem}
.van-bubble::after{content:"";position:absolute;bottom:-9px;left:30px;border:10px solid transparent;border-top-color:#fff;border-bottom:0}
.van-btn:hover .van-bubble,.van-btn:focus-visible .van-bubble,.van-btn.show .van-bubble{opacity:1;transform:none}
.van-btn.go .van-img{animation:van-honk .6s ease-in-out 2}
.van-hint{color:#cfdbe6;font-size:.9rem;margin-top:10px;opacity:.85}
@keyframes van-in{0%{transform:translateX(120%);opacity:0}60%{opacity:1}85%{transform:translateX(-3%)}100%{transform:none}}
@keyframes van-idle{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes van-honk{0%,100%{transform:none}20%{transform:translateX(-6px) rotate(-1deg)}40%{transform:translateX(6px) rotate(1deg)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@media (prefers-reduced-motion:reduce){.van-btn,.van-img,.van-btn.go .van-img{animation:none}}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:8px;min-height:0;max-height:none;padding-top:28px;padding-bottom:32px;text-align:center}
  .hero-logo{margin:0 auto;width:min(520px,108%)}
  .hero-home .lead{margin-left:auto;margin-right:auto}
  .hero-home .btns{justify-content:center}
  .van-btn{max-width:440px;padding-top:56px}
  .van-stage{order:0}
}
@media (max-width:760px){
  .hero-claim{font-size:1.45rem}
  .hero-home .lead{font-size:1.02rem}
  .hero-home .btns{flex-direction:column;align-items:stretch}
  .btn-lg{justify-content:center}
  .van-bubble{font-size:.9rem;right:4%}
}

/* --- Réalisations --- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.chantier{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.chantier a{display:block;overflow:hidden;aspect-ratio:4/3;background:var(--bg-alt)}
.chantier img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.chantier a:hover img{transform:scale(1.05)}
.chantier figcaption{padding:16px 18px 20px;color:var(--muted);font-size:.95rem}
.chantier strong{display:block;color:var(--navy);font-size:1.08rem;margin:6px 0 2px}
.tag{display:inline-block;background:#fdeee5;color:var(--flame-2);font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;padding:.25em .7em;border-radius:999px}
.teaser{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}
.teaser a{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.teaser img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.teaser a:hover img{transform:scale(1.06)}
.teaser span{position:absolute;left:0;right:0;bottom:0;padding:28px 16px 12px;color:#fff;font-weight:700;background:linear-gradient(transparent,rgba(0,0,0,.7))}
@media (max-width:760px){.teaser{grid-template-columns:1fr 1fr}.teaser a:nth-child(3){display:none}}
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(5,15,25,.92);display:flex;align-items:center;justify-content:center;padding:20px}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(1100px,92vw);text-align:center}
.lightbox img{max-width:100%;max-height:80vh;border-radius:10px;margin:0 auto}
.lightbox figcaption{color:#fff;margin-top:12px;font-weight:600}
.lightbox button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;font-size:2.2rem;width:52px;height:52px;border-radius:50%;cursor:pointer;line-height:1}
.lightbox button:hover{background:var(--flame)}
.lb-close{top:16px;right:16px}.lb-prev{left:12px;top:50%;transform:translateY(-50%)}.lb-next{right:12px;top:50%;transform:translateY(-50%)}
/* v6 : logo et Chauffage plus grands */
.brand img{height:58px;width:auto}
.footer-logo{height:auto;width:260px}
.hero-grid{grid-template-columns:1.3fr .9fr}
.hero-title{margin:0 0 .45em}
.hero-logo{width:min(820px,100%);margin-left:0}
.hero-claim{font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:600}
.hero-claim strong{display:block;font-size:2.3em;line-height:1;font-weight:800;letter-spacing:.01em;text-transform:uppercase;margin-bottom:.15em}
@media (max-width:980px){.hero-logo{width:100%}}
@media (max-width:760px){.brand img{height:44px}.hero-claim{font-size:1.25rem}.hero-claim strong{font-size:2.5em}}
/* v7 : nom en grand */
.hero-title{line-height:1;display:flex;flex-direction:column;align-items:flex-start;gap:20px;margin:0 0 .55em}
.ht-name{font-size:clamp(2.4rem,4.6vw,4.4rem);font-weight:800;color:#fff;letter-spacing:.01em;text-shadow:0 4px 18px rgba(0,0,0,.4);white-space:nowrap}
.ht-sarl{font-size:.55em;font-weight:700;color:#ffb27a;letter-spacing:.08em;vertical-align:.4em}
.ht-icons{height:clamp(70px,7.5vw,110px);width:auto;filter:drop-shadow(0 6px 14px rgba(0,0,0,.35))}
@media (max-width:980px){.hero-title{align-items:center}}
@media (max-width:760px){.ht-name{font-size:clamp(2rem,10.5vw,3rem)}.ht-icons{height:72px}}
/* v8 : en-tete avec nom en grand */
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-icons{height:58px;width:auto}
.brand-name{font-size:2rem;font-weight:800;color:var(--navy);letter-spacing:.01em;white-space:nowrap;line-height:1}
.brand-name small{font-size:.6em;color:var(--flame-2);font-weight:700;letter-spacing:.06em}
.hero-text{min-width:0}
@media (max-width:1100px){.brand-name{font-size:1.6rem}.brand-icons{height:48px}}
@media (max-width:760px){.tel-link{display:none}.brand{gap:8px}.brand-icons{height:30px}.brand-name{font-size:1.12rem}.ht-name{font-size:8.4vw}}
/* v9 */
.brand img.brand-icons{height:58px;width:auto}
.brand-name small,.ht-sarl{color:inherit}
@media (max-width:1100px){.brand img.brand-icons{height:48px}}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}}
@media (max-width:760px){.header-in{padding-left:14px;padding-right:14px}.brand img.brand-icons{height:26px}.brand-name{font-size:.98rem}.menu-btn{padding:.5em .8em}.hero-home .btns{flex-direction:column}}
/* v10 : vehicule gare dans le coin */
.hero-home{overflow:visible;position:relative;z-index:2}
.hero-home .hero-grid{grid-template-columns:1fr;min-height:0;padding-top:56px;padding-bottom:90px}
.hero-home .hero-text{max-width:720px}
.hero-home .van-stage{position:absolute;right:max(16px,calc((100% - 1180px)/2));bottom:-58px;width:min(330px,30vw);z-index:5}
.hero-home .van-btn{padding-top:64px;max-width:none}
.hero-home .van-hint{display:none}
.hero-home .van-bubble{right:auto;left:0;font-size:.9rem}
.hero-home + .section{padding-top:110px}
@media (max-width:980px){.hero-home .hero-grid{padding-bottom:80px}.hero-home .van-stage{width:200px;right:12px;bottom:-44px}}
@media (max-width:760px){.hero-home .hero-grid{padding-top:26px;padding-bottom:70px}.hero-home .van-stage{width:170px;right:10px;bottom:-38px}.hero-home .van-btn{padding-top:58px}.hero-home .van-bubble{font-size:.78rem;padding:.5em .8em}.hero-home + .section{padding-top:80px}}
html,body{overflow-x:hidden}
@supports (overflow:clip){html,body{overflow-x:clip}}