/* ============ YANN ANDRÉ CHAUFFAGE — design azur ============ */
:root{
  --bleu:#0082B3;
  --bleu-700:#006C97;
  --bleu-800:#015B80;
  --bleu-100:#E4F2F8;
  --bleu-050:#F1F8FB;
  --orange:#F4811E;
  --orange-600:#DD6F10;
  --orange-bright:#FF8330;
  --ink:#0B2533;
  --ink-2:#11354A;
  --slate:#566976;
  --line:#DCE6EC;
  --paper:#FFFFFF;
  --mist:#F3F8FB;
  --shadow:0 18px 50px -20px rgba(11,37,51,.28);
  --shadow-sm:0 6px 22px -12px rgba(11,37,51,.30);
  --r:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:94px;overflow-x:hidden}
body{font-family:'Inter',sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brands-more{font-family:'Sora',sans-serif;line-height:1.1;letter-spacing:-.02em}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}

/* eyebrow / kicker */
.eyebrow,.hero-kicker{font-family:'Inter',sans-serif;font-weight:600;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--bleu-700);display:inline-flex;align-items:center;gap:10px}
.eyebrow-light{color:#bfe6f3}
.tick{width:22px;height:2px;background:var(--orange);display:inline-block;border-radius:2px}

.sec-head{max-width:680px;margin:0 auto 56px;text-align:center}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:700}
.sec-sub{color:var(--slate);margin-top:14px;font-size:1.05rem}
.sec-head-light h2,.sec-head-light .sec-sub{color:#fff}
.sec-head-light .eyebrow{color:#bfe6f3}

h2{max-width:44ch}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Sora',sans-serif;font-weight:600;font-size:.98rem;padding:15px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.25s;white-space:nowrap}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 12px 26px -12px rgba(244,129,30,.8)}
.btn-orange:hover{background:var(--orange-600);transform:translateY(-2px)}
.btn-blue{background:var(--bleu);color:#fff}
.btn-blue:hover{background:var(--bleu-700);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-block{width:100%;justify-content:center}

/* ============ PRELOADER ============ */
.preloader{position:fixed;inset:0;z-index:3000;background:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;transition:opacity .5s}
.preloader.hide{opacity:0;pointer-events:none}
.pre-mark{position:relative;width:74px;height:74px;display:grid;place-items:center}
.pre-ring{stroke-dasharray:230;stroke-dashoffset:230;animation:dash 1.4s ease-in-out infinite}
.pre-fan{position:absolute;font-size:1.7rem;color:var(--orange);animation:spin 1.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes dash{0%{stroke-dashoffset:230}50%{stroke-dashoffset:60}100%{stroke-dashoffset:230;transform:rotate(360deg)}}
.pre-name{font-family:'Sora',sans-serif;font-weight:600;letter-spacing:.18em;font-size:.82rem;color:var(--ink)}
.pre-name b{color:var(--bleu)}

/* ============ HEADER ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
.site-header.scrolled{box-shadow:0 8px 30px -18px rgba(11,37,51,.35)}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:82px}
.brand{display:inline-flex;align-items:center}
.brand-logo{height:64px;width:auto;display:block;filter:drop-shadow(0 5px 13px rgba(0,130,178,.42))}
.nav-main{display:flex;gap:30px;margin:0 auto}
.nav-main a{font-weight:500;font-size:.95rem;color:var(--ink-2);position:relative;padding:4px 0}
.nav-main a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--orange);transition:.25s}
.nav-main a:hover{color:var(--bleu)}
.nav-main a:hover::after{width:100%}
.head-actions{display:flex;align-items:center;gap:12px}
.head-social{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--bleu-050);color:var(--bleu);border:1px solid var(--line);transition:.25s;font-size:.9rem}
.head-social:hover{background:var(--bleu);color:#fff;border-color:var(--bleu)}
.btn-quote-head{background:var(--bleu);color:#fff;font-family:'Sora',sans-serif;font-weight:600;font-size:.9rem;padding:11px 18px;border-radius:999px;transition:.25s}
.btn-quote-head:hover{background:var(--bleu-700);transform:translateY(-1px)}
.btn-tel-head{display:inline-flex;align-items:center;gap:8px;background:var(--orange);color:#fff;font-family:'Sora',sans-serif;font-weight:600;font-size:.92rem;padding:11px 18px;border-radius:999px;transition:.25s}
.btn-tel-head:hover{background:var(--orange-600);transform:translateY(-1px)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* MOBILE MENU */
.mobile-menu{position:fixed;top:82px;left:0;right:0;background:#fff;z-index:999;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s;box-shadow:var(--shadow)}
.mobile-menu.open{transform:translateY(0)}
.nav-mobile{display:flex;flex-direction:column;padding:18px 24px 26px}
.nav-mobile a{padding:14px 0;border-bottom:1px solid var(--line);font-weight:500;font-size:1.05rem}
.nav-mobile .mm-quote{color:var(--bleu);font-weight:700}
.nav-mobile .mm-tel{color:var(--orange);font-weight:700;border-bottom:0}
.mm-social{display:flex;gap:14px;margin-top:16px}
.mm-social a{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--bleu-050);color:var(--bleu);border:1px solid var(--line)}

/* ============ HERO ============ */
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;padding:140px 0 70px;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:72% 35%}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,28,40,.92) 0%,rgba(7,28,40,.78) 38%,rgba(7,28,40,.30) 70%,rgba(7,28,40,.15) 100%)}
.hero-wrap{position:relative;z-index:2}
.hero-text{max-width:660px}
.hero-kicker{color:#9fdcef;margin-bottom:22px}
.hero h1{color:#fff;font-size:clamp(2.3rem,5.4vw,4.2rem);font-weight:800;margin-bottom:22px}
.hero h1 span{color:#fff;background:linear-gradient(transparent 62%,rgba(244,129,30,.85) 62%);padding:0 .05em}
.hero-lede{color:#dbe8ef;font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.cert-badge{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:14px;padding:12px 18px;margin-top:28px;box-shadow:0 16px 34px -16px rgba(0,0,0,.55)}
.cert-badge img{height:124px;width:auto;display:block}

/* ============ TRUST ============ */
.trust{background:var(--ink);color:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-cell{display:flex;align-items:center;gap:14px;padding:26px 24px;font-weight:500;font-size:.98rem;border-right:1px solid rgba(255,255,255,.1)}
.trust-cell:last-child{border-right:0}
.trust-cell i{color:var(--orange-bright);font-size:1.3rem;width:24px;text-align:center;flex-shrink:0}

/* ============ SERVICES ============ */
.services{background:var(--paper)}
.svc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.svc{display:flex;gap:20px;padding:30px 30px 30px 26px;background:var(--mist);border:1px solid var(--line);border-radius:var(--r);border-left:4px solid var(--bleu);transition:.28s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-left-color:var(--orange);background:#fff}
.svc-num{font-family:'Sora',sans-serif;font-weight:700;font-size:1rem;color:var(--bleu);opacity:.55;flex-shrink:0;padding-top:4px}
.svc-body h3{font-size:1.22rem;font-weight:600;margin-bottom:9px;display:flex;align-items:center;gap:11px}
.svc-body h3 i{color:var(--orange);font-size:1.05rem}
.svc-body p{color:var(--slate);font-size:.98rem}

/* ============ BRANDS ============ */
.brands{background:var(--bleu-050);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:42px 0}
.brands-label{text-align:center;font-weight:600;color:var(--bleu-700);letter-spacing:.06em;text-transform:uppercase;font-size:.82rem;margin-bottom:22px;display:flex;align-items:center;justify-content:center;gap:9px}
.brands-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 30px;align-items:center}
.brands-row span{font-family:'Sora',sans-serif;font-weight:600;font-size:1.25rem;color:var(--ink-2);opacity:.62;transition:.25s}
.brands-row span:hover{opacity:1;color:var(--bleu)}
.brands-more{color:var(--orange)!important;opacity:1!important;font-size:1.05rem!important}

/* ============ REALISATIONS ============ */
.works{background:var(--paper)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gphoto{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:1/1}
.gphoto img{width:100%;height:100%;object-fit:cover;transition:.5s}
.gphoto:hover img{transform:scale(1.06)}
.gphoto figcaption{position:absolute;left:12px;bottom:12px;background:rgba(11,37,51,.78);color:#fff;font-size:.74rem;font-weight:600;letter-spacing:.04em;padding:5px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.works-fb{text-align:center;margin-top:38px}
.fb-link{display:inline-flex;align-items:center;gap:11px;font-weight:600;font-size:.98rem;color:var(--ink-2);background:#fff;border:1.5px solid var(--line);padding:13px 24px;border-radius:999px;transition:.25s}
.fb-link:hover{border-color:#1877F2;background:#1877F2;color:#fff;transform:translateY(-2px)}
.fb-link .fa-facebook{color:#1877F2;font-size:1.15rem}
.fb-link:hover .fa-facebook{color:#fff}
.fb-link .fa-arrow-right{font-size:.78rem;opacity:.7}

/* ============ A PROPOS ============ */
.about{background:var(--mist)}
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.about-text .eyebrow{margin-bottom:14px}
.about-text h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:18px}
.about-text p{color:var(--slate);margin-bottom:16px}
.about-text .btn{margin-top:14px}
.about-card{background:linear-gradient(150deg,var(--bleu),var(--bleu-800));color:#fff;border-radius:var(--r);padding:40px 36px;box-shadow:var(--shadow)}
.ac-since{font-family:'Sora',sans-serif;font-weight:800;font-size:3.6rem;line-height:1;display:block}
.ac-label{color:#cdeaf4;margin:6px 0 24px;font-size:.95rem}
.ac-points{list-style:none;display:flex;flex-direction:column;gap:14px}
.ac-points li{display:flex;align-items:center;gap:12px;font-weight:500}
.ac-points i{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;display:grid;place-items:center;font-size:.68rem;flex-shrink:0}

/* ============ AVIS ============ */
.reviews{background:var(--paper)}
.rev-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:960px;margin:0 auto}
.rev{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:.28s}
.rev:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rev-stars{color:#f5a623;margin-bottom:14px;font-size:.92rem;display:flex;gap:3px}
.rev p{color:var(--ink-2);font-size:1.02rem;margin-bottom:20px}
.rev-by{display:flex;align-items:center;gap:13px}
.rev-ini{width:44px;height:44px;border-radius:50%;background:var(--bleu);color:#fff;font-family:'Sora',sans-serif;font-weight:700;display:grid;place-items:center;flex-shrink:0}
.rev-by b{display:block;font-weight:600;font-size:.98rem}
.rev-by small{color:var(--slate);font-size:.82rem;display:flex;align-items:center;gap:6px}
.rev-by small i{color:var(--bleu)}

/* ============ METHODE ============ */
.method{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.method::before{content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(0,130,179,.35),transparent 70%)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);padding:30px 24px;transition:.28s}
.step:hover{transform:translateY(-5px);border-color:var(--orange)}
.step-n{font-family:'Sora',sans-serif;font-weight:700;font-size:2rem;color:var(--orange-bright);display:block;margin-bottom:12px}
.step h3{font-size:1.18rem;margin-bottom:8px}
.step p{color:#aebfc9;font-size:.94rem}

/* ============ ZONE ============ */
.zone{background:var(--mist)}
.zone-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.zone-text .eyebrow{margin-bottom:14px}
.zone-text h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:16px}
.zone-text p{color:var(--slate);margin-bottom:22px}
.zone-cities{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.zone-cities li{display:flex;align-items:center;gap:10px;font-weight:500}
.zone-cities i{color:var(--orange)}
.zone-map{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);height:400px}
.zone-map iframe{width:100%;height:100%;border:0;filter:grayscale(.2)}

/* ============ DEVIS ============ */
.devis{background:linear-gradient(135deg,var(--bleu-800),var(--bleu));color:#fff}
.devis-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.devis-intro h2{color:#fff;font-size:clamp(1.8rem,3vw,2.4rem);margin:14px 0 14px}
.devis-intro p{color:#d6ecf5;margin-bottom:24px;max-width:380px}
.devis-call{display:inline-flex;align-items:center;gap:10px;font-family:'Sora',sans-serif;font-weight:700;font-size:1.5rem;color:#fff;margin-bottom:14px}
.devis-call i{color:var(--orange-bright)}
.devis-hours{color:#bfe2ef!important;font-size:.95rem;display:flex;align-items:center;gap:8px}
.devis-form{background:#fff;border-radius:var(--r);padding:32px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px;display:flex;flex-direction:column}
.field label{font-weight:600;font-size:.86rem;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{font-family:'Inter',sans-serif;font-size:.96rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--mist);color:var(--ink);transition:.2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--bleu);background:#fff}
.field textarea{resize:vertical}
.form-note{text-align:center;color:var(--slate);font-size:.82rem;margin-top:12px}

/* ============ FAQ ============ */
.faq{background:var(--paper)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--mist);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:'Sora',sans-serif;font-weight:600;font-size:1.04rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--bleu);transition:.3s;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{padding:0 24px 22px;color:var(--slate)}

/* ============ CTA FINAL ============ */
.cta-final{background:var(--ink);padding:84px 0}
.cta-inner{text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:clamp(1.8rem,3.2vw,2.6rem);margin-bottom:14px}
.cta-inner p{color:#aebfc9;margin-bottom:30px;font-size:1.08rem}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ FOOTER ============ */
.site-footer{background:#081d28;color:#9fb2bd}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:40px;padding:64px 0 40px}
.foot-logo{display:inline-block;margin-bottom:18px}
.foot-logo img{height:90px;width:auto;display:block}
.foot-brand p{font-size:.94rem;line-height:1.7;max-width:340px;margin-bottom:18px}
.foot-social{display:flex;gap:12px}
.foot-social a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);color:#fff;transition:.25s}
.foot-social a:hover{background:var(--bleu)}
.foot-col h4{color:#fff;font-size:1rem;margin-bottom:16px;font-weight:600}
.foot-col a,.foot-col span{display:flex;align-items:flex-start;gap:9px;color:#9fb2bd;font-size:.92rem;margin-bottom:11px;transition:.2s}
.foot-col a:hover{color:#fff}
.foot-col i{color:var(--bleu);margin-top:3px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.foot-bottom .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:#7d93a0}

/* ============ FLOATING ============ */
.float-wa{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;font-size:1.6rem;z-index:900;box-shadow:0 10px 26px -8px rgba(37,211,102,.7);transition:.25s}
.float-wa:hover{transform:scale(1.08)}
.float-top{position:fixed;right:22px;bottom:88px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;z-index:900;opacity:0;pointer-events:none;transition:.3s}
.float-top.show{opacity:1;pointer-events:auto}
.float-top:hover{background:var(--bleu)}

/* ============ COOKIES ============ */
.cookie-banner{position:fixed;left:22px;bottom:22px;max-width:380px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow);z-index:950;display:flex;flex-direction:column;gap:12px}
.cookie-banner p{font-size:.86rem;color:var(--slate)}
.cookie-banner button{align-self:flex-start;background:var(--bleu);color:#fff;border:0;border-radius:999px;padding:9px 20px;font-family:'Sora',sans-serif;font-weight:600;cursor:pointer;font-size:.86rem}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .about-grid,.zone-grid,.devis-grid{grid-template-columns:1fr;gap:40px}
  .about-media img{height:420px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .nav-main{display:none}
}
@media (max-width:768px){
  .section{padding:68px 0}
  .burger{display:flex}
  .btn-quote-head,.btn-tel-head span{display:none}
  .btn-tel-head{padding:11px 13px}
  .head-social{display:none}
  html{scroll-padding-top:86px}
  .head-inner{height:74px}
  .brand-logo{height:56px}
  .mobile-menu{top:74px}
  .svc-list{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery .gphoto:last-child{grid-column:1 / -1;aspect-ratio:16/10}
  .rev-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero{min-height:auto;padding:132px 0 56px}
  .hero-img{object-position:68% 30%}
}
@media (max-width:600px){
  .container{padding:0 18px}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-cell{border-right:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);padding:20px 18px;font-size:.92rem;justify-content:flex-start}
  .trust-cell:nth-child(2n){border-right:0}
  .trust-cell:nth-child(n+3){border-bottom:0}
  .about-points,.zone-cities{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom .container{flex-direction:column;gap:6px}
  .about-since{right:10px;bottom:-10px;padding:12px 18px}
  .hero h1{font-size:clamp(2rem,8vw,2.6rem)}
  .devis-form{padding:24px 20px}
  .cookie-banner{left:12px;right:12px;bottom:12px;max-width:none}
}
@media (max-width:380px){
  .steps{grid-template-columns:1fr}
}

/* ============ PAGES LÉGALES / 404 ============ */
.legal-head{background:var(--ink);color:#fff;padding:120px 0 60px;text-align:center}
.legal-head .brand-logo{height:54px;margin:0 auto 22px;background:#fff;padding:8px 12px;border-radius:12px}
.legal-head h1{font-size:clamp(1.8rem,4vw,2.6rem)}
.legal-head p{color:#aebfc9;margin-top:8px}
.legal-page{max-width:820px;margin:0 auto;padding:60px 24px 90px}
.legal-page h2{font-size:1.3rem;color:var(--bleu);margin:34px 0 12px}
.legal-page h2:first-child{margin-top:0}
.legal-page p,.legal-page li{color:var(--ink-2);margin-bottom:10px;font-size:.98rem}
.legal-page ul{padding-left:20px;margin-bottom:14px}
.legal-back{display:inline-flex;align-items:center;gap:8px;margin-top:30px;color:var(--bleu);font-weight:600}
.simple-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--line)}
.simple-header .head-inner{height:82px}
.simple-header .brand-logo{height:64px}
.simple-header .back-link{margin-left:auto;font-weight:600;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px}
.simple-header .back-link:hover{color:var(--bleu)}

/* 404 */
.nf-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px;background:var(--mist)}
.nf-wrap .brand-logo{height:110px;width:auto;margin-bottom:30px;filter:drop-shadow(0 8px 18px rgba(0,130,178,.4))}
.nf-code{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(5rem,18vw,9rem);color:var(--bleu);line-height:1}
.nf-wrap h1{font-size:clamp(1.5rem,4vw,2rem);margin:8px 0 12px}
.nf-wrap p{color:var(--slate);margin-bottom:30px;max-width:440px}
.nf-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.nf-btns .btn-blue{background:var(--bleu)}
.nf-btns .btn-ghost{color:var(--ink);border-color:var(--line)}
.nf-btns .btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* Page merci */
.thanks-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px;background:var(--mist)}
.thanks-wrap .tick-ok{width:84px;height:84px;border-radius:50%;background:var(--bleu);color:#fff;display:grid;place-items:center;font-size:2.2rem;margin-bottom:26px;box-shadow:var(--shadow)}
.thanks-wrap h1{font-size:clamp(1.6rem,4vw,2.2rem);margin-bottom:12px}
.thanks-wrap p{color:var(--slate);margin-bottom:28px;max-width:440px}