*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#12223a;background:#fff;font:17px/1.7 Arial,sans-serif}a{color:inherit;text-underline-offset:5px}header{display:flex;align-items:center;justify-content:space-between;padding:20px max(5vw,20px);border-bottom:1px solid #e1e7ef;gap:25px}.brand{font-size:26px;font-weight:800;text-decoration:none}.brand span{font-weight:400}nav{display:flex;gap:26px;font-size:14px}nav a{text-decoration:none}section{padding:70px max(7vw,24px)}section section,section div div{padding:0}main>div{max-width:1200px;margin:auto}main>div>section{padding:50px 25px}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(40px,6vw,82px);max-width:1000px}h2{font-size:clamp(28px,3.5vw,46px);max-width:950px}h3{font-size:25px}p{max-width:800px}.hero,main>div>section:first-child{background:#10263e;color:white}.hero h1{margin:28px 0}.hero p{max-width:700px}.hero em{color:#a8ced4;font-style:normal}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:bold}.button{display:inline-block;background:#e1bd79;color:#12223a;padding:16px 24px;font-weight:bold;text-decoration:none;margin:20px 0}.hero small{display:block;color:#d2dde8}.hero-line{margin-top:60px;padding-top:25px;border-top:1px solid #526578;font-size:12px;letter-spacing:.12em}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:35px}.two{grid-template-columns:repeat(2,1fr)}article{border-top:1px solid #aab7c4;padding:25px 0}.pale{background:#f1f5f8}.next{background:#10263e;color:white}footer{padding:50px 7vw;background:#f1f5f8;font-size:14px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #b27623;outline-offset:5px}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:white;z-index:5}form{max-width:680px}label{display:block;margin:20px 0}input,textarea{display:block;width:100%;padding:12px;border:1px solid #697a8c;font:inherit}input[type=checkbox]{display:inline;width:auto}.trap{display:none}button{border:0;font:inherit;cursor:pointer}small{font-size:13px}@media(max-width:700px){header{align-items:flex-start;flex-direction:column}nav{flex-wrap:wrap;gap:14px}section{padding:45px 24px}.grid,.two{grid-template-columns:1fr}h1{font-size:44px}.hero-line{line-height:2}}
/* Identité INTELAS Energy + contenus pédagogiques */
.brand{display:inline-flex;align-items:center;flex-shrink:0}.brand img{display:block;width:160px;height:auto}.visual-section{padding:70px max(7vw,24px);background:#fff}.visual-layout{max-width:1280px;margin:auto;display:grid;grid-template-columns:minmax(245px,0.78fr) minmax(430px,1.45fr);gap:42px;align-items:center}.visual-copy h2{font-size:clamp(28px,3.2vw,44px)}.visual-copy a{font-weight:700}.energy-visual{margin:0;min-width:0;max-width:100%}.energy-visual img{display:block;width:100%;height:auto;border-radius:16px}.energy-visual figcaption{padding:12px 2px;color:#526379;font-size:12px;line-height:1.6}.energy-visual figcaption a{color:#244c72}.visual-section .eyebrow{color:#0c729c}@media(max-width:820px){.visual-layout{grid-template-columns:1fr;gap:18px}.visual-section{padding:45px 24px}.brand img{width:145px}}
/* Homepage industrial illustration */
.home-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;overflow:hidden}.home-hero h1{font-size:clamp(42px,5.6vw,78px)}.hero-copy{min-width:0}.hero-art{margin:0;min-width:0}.hero-art img{width:100%;height:auto;display:block}.hero-art figcaption{font-size:12px;letter-spacing:.08em;color:#c8dbe5;text-align:center}.home-hero .hero-line{grid-column:1/-1;margin-top:10px}.secondary-link{display:inline-block;margin:20px}.coming-soon{min-height:60vh}@media(max-width:820px){.home-hero{grid-template-columns:1fr;gap:25px}.hero-art{max-width:540px;margin:auto}.home-hero .hero-line{margin-top:0}}

/* INTELAS 2026 — navigation and editorial presentation */
header{position:relative;z-index:20;background:#fff}
nav{align-items:center;flex-wrap:wrap}
.nav-sim{position:relative;z-index:30;font-size:14px}
.nav-sim summary{list-style:none;display:inline-flex;align-items:center;gap:8px;cursor:pointer;padding:10px 13px;border-radius:8px;background:#f2f6f8;color:#10263e;font-weight:700}
.nav-sim summary::-webkit-details-marker{display:none}
.nav-sim summary:after{content:"⌄";font-size:17px;line-height:1}
.nav-sim[open] summary{background:#e3eff1}
.nav-sim-links{position:absolute;left:0;top:calc(100% + 10px);min-width:300px;max-width:90vw;display:grid;gap:4px;background:#fff;padding:12px;border:1px solid #e1e7ef;box-shadow:0 17px 36px #10263e24;border-radius:13px}
.nav-sim-links a{display:block;padding:12px 14px;border-radius:8px;text-decoration:none;line-height:1.3;font-size:14px;font-weight:700}
.nav-sim-links a:hover,.nav-sim-links a:focus-visible{background:#f1f5f8}
.nav-sim-links a span{display:block;color:#536476;font-weight:400;font-size:12px;margin-top:5px}
.home-hero .hero-art{position:relative}
.home-hero .hero-art img{height:390px;object-fit:cover;object-position:center;border-radius:12px;box-shadow:0 20px 45px #061b30a6}
.home-hero .hero-art figcaption{text-align:right;margin-top:14px}
.editorial-photo-section{padding:0 max(7vw,24px) 26px!important;background:#fff!important}
.editorial-photo{margin:0 auto;max-width:1300px}
.editorial-photo img{display:block;width:100%;height:clamp(220px,32vw,420px);object-fit:cover;object-position:center;border-radius:16px}
.editorial-photo figcaption{text-align:right;font-size:11px;line-height:1.5;color:#5b6a7a;margin-top:5px}
.editorial-photo figcaption a{color:inherit}
.sim-grid article{background:#f5f8fa;border:1px solid #e0eaf0;border-radius:13px;padding:26px;scroll-margin-top:100px}
.sim-grid h3{margin-top:12px}
.sim-icon{display:flex;align-items:center;justify-content:center;width:47px;height:47px;background:#dfeff0;color:#0b777c;font-size:25px;border-radius:12px}
.soon-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;color:#526474;background:#e9eef3;padding:8px 12px;border-radius:30px;margin-top:10px}
.contact-intro{min-height:56vh}
.contact-email{font-size:16px;color:#d4e6ef;letter-spacing:.02em}
.legal-intro{background:#f1f5f8!important;color:#12223a!important;padding-bottom:45px}
.legal-intro h1{font-size:clamp(36px,5vw,58px)}
.legal-content{max-width:1000px;margin:auto;padding-top:45px;padding-bottom:75px}
.legal-content h2{font-size:25px;margin-top:35px}
.legal-content p{line-height:1.75}
@media(max-width:820px){nav{align-items:flex-start}.nav-sim-links{position:static;box-shadow:none;margin-top:8px;min-width:min(300px,80vw)}.home-hero .hero-art img{height:260px}.editorial-photo-section{padding:0 24px 24px!important}.editorial-photo img{height:240px}}

/* Editorial photo cards for homepage expertise */
.expertise-card-image{display:block;width:100%;height:185px;object-fit:cover;border-radius:12px;margin:0 0 20px}
#offres .grid article{padding-top:14px}
@media(max-width:700px){.expertise-card-image{height:215px}}