:root{
  --marine:#08213A;--carte:#0F3357;--bordure:#1C4A73;--sable:#F6EFE4;
  --corail:#FF6B4A;--lagon:#1EC9B8;--sable-dim:rgba(246,239,228,.68);--sable-faint:rgba(246,239,228,.42);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--marine);color:var(--sable);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 28px}
h1,h2,h3,h4,.brand-name{font-family:'Poppins',sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:'Poppins',sans-serif;font-weight:700;font-size:15px;padding:15px 26px;border-radius:999px;cursor:pointer;border:none;line-height:1;letter-spacing:.2px}
.btn-primary{background:var(--corail);color:#1a0a05}
.btn-primary:hover{background:#ff7d5f}
.btn-ghost{background:transparent;color:var(--sable);border:1.5px solid var(--bordure)}
.btn-ghost:hover{border-color:var(--lagon);color:var(--lagon)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn svg{width:18px;height:18px;flex-shrink:0}

/* Header / Nav */
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,33,58,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(28,74,115,.55)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px;position:relative}
.brand{display:flex;align-items:center;gap:11px}
.brand-name{font-weight:800;font-size:19px;letter-spacing:-.5px}
.brand-name .dot{color:var(--corail)}
.logo-mark{flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--sable-dim)}
.nav-links a:hover{color:var(--lagon)}
.nav-links a.active{color:var(--sable)}
.nav-links .btn-primary{color:#1a0a05}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--sable);border-radius:2px;transition:background .2s}

/* Sections */
.sec{padding:78px 0}
.sec-sm{padding:56px 0}
.sec-head{max-width:680px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{font-size:13px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--lagon);margin-bottom:14px}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:800;letter-spacing:-.8px;line-height:1.12;margin-bottom:14px}
.sec-head p{color:var(--sable-dim);font-size:1.05rem}

/* Hero (home) */
.hero{position:relative;padding:92px 0 78px;overflow:hidden}
.hero-glow{position:absolute;top:-160px;left:50%;transform:translateX(-50%);width:720px;height:720px;border-radius:50%;background:radial-gradient(circle,rgba(30,201,184,.13),transparent 62%);pointer-events:none;z-index:0}
.hero-in{position:relative;z-index:1;max-width:820px}
.hero h1{font-size:clamp(2.1rem,5.4vw,3.7rem);font-weight:900;line-height:1.08;letter-spacing:-1.2px;margin-bottom:24px}
.hero h1 .hl{color:var(--corail)}
.hero p.sub{font-size:clamp(1.05rem,2vw,1.28rem);color:var(--sable-dim);max-width:640px;margin-bottom:38px}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--sable-faint)}

/* Page hero (inner pages) */
.page-hero{padding:72px 0 40px;position:relative}
.breadcrumb{font-size:13px;color:var(--sable-faint);margin-bottom:20px}
.breadcrumb a:hover{color:var(--lagon)}
.page-hero h1{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:900;line-height:1.1;letter-spacing:-1px;margin-bottom:18px;max-width:900px}
.page-hero h1 .hl{color:var(--corail)}
.page-hero .lead{font-size:1.12rem;color:var(--sable-dim);max-width:680px}

/* Grilles / cartes */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--carte);border:1px solid var(--bordure);border-radius:20px;padding:32px 28px;display:flex;flex-direction:column}
.card-icon{width:56px;height:56px;border-radius:14px;background:rgba(30,201,184,.1);border:1px solid rgba(30,201,184,.28);display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.card-icon svg{width:28px;height:28px}
.card h3{font-size:1.35rem;font-weight:700;margin-bottom:6px;letter-spacing:-.3px}
.card .card-tag{font-size:13px;color:var(--lagon);font-weight:600;margin-bottom:20px}
.card p{color:var(--sable-dim);font-size:.98rem;margin-bottom:18px}
.card-link{margin-top:auto;font-family:'Poppins';font-weight:700;font-size:14px;color:var(--corail);display:inline-flex;gap:6px;align-items:center}
.card-link:hover{gap:10px;transition:gap .2s}
.offer-line{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:14px 0;border-top:1px solid rgba(28,74,115,.6)}
.offer-line:first-of-type{border-top:none}
.offer-name{font-size:15px;font-weight:500;color:var(--sable)}
.offer-price{font-family:'Poppins';font-weight:700;font-size:16px;color:var(--corail);white-space:nowrap}
.offer-price small{font-weight:500;font-size:12px;color:var(--sable-faint)}

/* Certifications */
.certif{padding:46px 0;border-top:1px solid rgba(28,74,115,.45);border-bottom:1px solid rgba(28,74,115,.45);background:rgba(15,51,87,.32)}
.certif-label{text-align:center;font-size:12.5px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--sable-faint);margin-bottom:26px}
.certif-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.certif-badge{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border:1px solid var(--bordure);border-radius:999px;background:var(--carte);font-family:'Poppins';font-weight:600;font-size:14px;color:var(--sable)}
.certif-badge svg{width:20px;height:20px;flex-shrink:0;color:var(--lagon)}

/* Portfolio / réalisations */
.pf-card{background:var(--carte);border:1px solid var(--bordure);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;margin:0}
.pf-img{aspect-ratio:4/3;overflow:hidden;background:#0a2740;border-bottom:1px solid var(--bordure)}
.pf-img img{width:100%;height:100%;object-fit:cover}
.pf-card figcaption{padding:24px 26px}
.pf-tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--lagon);margin-bottom:10px}
.pf-card h3{font-family:'Poppins';font-size:1.22rem;font-weight:700;margin-bottom:7px;letter-spacing:-.3px}
.pf-card p{color:var(--sable-dim);font-size:.96rem}

/* Étude de cas */
.case{background:var(--carte);border:1px solid var(--bordure);border-radius:22px;overflow:hidden;margin-bottom:26px}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.case-img{aspect-ratio:16/11;overflow:hidden;background:#0a2740}
.case-img img{width:100%;height:100%;object-fit:cover}
.case-body{padding:38px 36px}
.case-body .pf-tag{margin-bottom:12px}
.case-body h3{font-size:1.5rem;font-weight:800;margin-bottom:16px;letter-spacing:-.4px}
.case-block{margin-bottom:14px}
.case-block h4{font-size:12.5px;text-transform:uppercase;letter-spacing:1px;color:var(--lagon);margin-bottom:4px}
.case-block p{color:var(--sable-dim);font-size:.98rem}

/* Étapes */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.step{position:relative;padding:0 26px}
.step:first-child{padding-left:0}.step:last-child{padding-right:0}
.step-num{width:56px;height:56px;border-radius:50%;background:var(--marine);border:2px dashed var(--corail);display:flex;align-items:center;justify-content:center;font-family:'Poppins';font-weight:800;font-size:20px;color:var(--corail);margin-bottom:22px;position:relative;z-index:2}
.step:not(:last-child)::after{content:"";position:absolute;top:28px;left:56px;right:-26px;height:0;border-top:2px dotted var(--bordure);z-index:1}
.step h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;letter-spacing:-.3px}
.step p{color:var(--sable-dim);font-size:.98rem}

/* Tableau tarifs */
.price-block{margin-bottom:40px}
.price-block>h3{font-size:1.4rem;font-weight:800;margin-bottom:6px}
.price-block>.tag{color:var(--lagon);font-size:14px;font-weight:600;margin-bottom:18px}
.price-table{width:100%;border-collapse:collapse;background:var(--carte);border:1px solid var(--bordure);border-radius:16px;overflow:hidden}
.price-table th,.price-table td{text-align:left;padding:16px 22px;border-bottom:1px solid rgba(28,74,115,.5);font-size:15px}
.price-table th{font-family:'Poppins';font-size:12.5px;text-transform:uppercase;letter-spacing:.8px;color:var(--sable-faint);font-weight:600}
.price-table tr:last-child td{border-bottom:none}
.price-table .p{font-family:'Poppins';font-weight:700;color:var(--corail);white-space:nowrap}
.price-table td small{color:var(--sable-faint)}

/* FAQ */
.faq{max-width:820px}
.faq details{background:var(--carte);border:1px solid var(--bordure);border-radius:14px;padding:0 22px;margin-bottom:12px}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-family:'Poppins';font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--corail);font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq details p{color:var(--sable-dim);padding:0 0 20px;font-size:.98rem}

/* Related / maillage */
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.related a{display:block;background:var(--carte);border:1px solid var(--bordure);border-radius:14px;padding:20px 22px}
.related a:hover{border-color:var(--lagon)}
.related .k{font-size:12px;color:var(--lagon);font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.related h4{font-size:1.02rem;font-weight:700;margin-top:8px;line-height:1.35}

/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--carte);border:1px solid var(--bordure);border-radius:18px;padding:28px 26px;display:flex;flex-direction:column}
.post-card .k{font-size:12px;color:var(--lagon);font-weight:600;text-transform:uppercase;letter-spacing:.6px;margin-bottom:12px}
.post-card h3{font-size:1.2rem;font-weight:700;line-height:1.3;margin-bottom:10px}
.post-card p{color:var(--sable-dim);font-size:.95rem;margin-bottom:18px}
.post-card .meta{margin-top:auto;font-size:12.5px;color:var(--sable-faint)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filters a{padding:9px 18px;border:1px solid var(--bordure);border-radius:999px;font-size:13.5px;font-weight:600;color:var(--sable-dim)}
.filters a:hover,.filters a.active{background:var(--corail);color:#1a0a05;border-color:var(--corail)}

/* Article */
.article{max-width:760px;margin:0 auto}
.article .meta{color:var(--sable-faint);font-size:13.5px;margin-bottom:28px}
.article h2{font-size:1.7rem;font-weight:800;margin:38px 0 14px;letter-spacing:-.4px}
.article h3{font-size:1.28rem;font-weight:700;margin:26px 0 10px}
.article p{color:var(--sable-dim);margin-bottom:16px;font-size:1.05rem}
.article ul{color:var(--sable-dim);margin:0 0 16px 22px;font-size:1.05rem}
.article li{margin-bottom:8px}
.article .callout{background:var(--carte);border:1px solid var(--bordure);border-left:3px solid var(--corail);border-radius:12px;padding:22px 24px;margin:26px 0}
.article .callout p{margin:0;color:var(--sable)}

/* Contact */
.contact-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px}
.contact-card{background:var(--carte);border:1px solid var(--bordure);border-radius:18px;padding:30px 26px;text-align:center}
.contact-card svg{width:34px;height:34px;color:var(--lagon);margin:0 auto 16px}
.contact-card h3{font-size:1.1rem;font-weight:700;margin-bottom:6px}
.contact-card a{color:var(--corail);font-weight:600;font-size:.98rem;word-break:break-word}

/* CTA box */
.footer-cta{padding:86px 0}
.cta-box{background:var(--carte);border:1px solid var(--bordure);border-radius:24px;padding:56px 44px;text-align:center}
.cta-box .wa-badge{width:60px;height:60px;border-radius:16px;margin:0 auto 24px;background:rgba(30,201,184,.12);border:1px solid rgba(30,201,184,.3);display:flex;align-items:center;justify-content:center}
.cta-box .wa-badge svg{width:32px;height:32px}
.cta-box h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;letter-spacing:-.6px;margin-bottom:12px}
.cta-box p{color:var(--sable-dim);font-size:1.08rem;margin-bottom:32px}

/* Footer */
.site-foot{border-top:1px solid rgba(28,74,115,.55);padding:56px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:36px}
.foot-brand-col p{color:var(--sable-dim);font-size:14px;margin-top:14px;max-width:280px}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.8px;color:var(--sable-faint);margin-bottom:16px}
.foot-col a{display:block;color:var(--sable-dim);font-size:14px;margin-bottom:10px}
.foot-col a:hover{color:var(--lagon)}
.foot-copy{border-top:1px solid rgba(28,74,115,.4);padding-top:24px;font-size:12.5px;color:var(--sable-faint)}

/* Mentions légales */
.legal-todo{color:var(--corail);font-weight:600;background:rgba(255,107,74,.1);padding:2px 8px;border-radius:6px;font-size:14px}
.legal .card{margin-bottom:14px;padding:26px 28px}
.legal .card p{margin:6px 0;color:var(--sable-dim)}
.legal h2{font-size:1.25rem;margin:36px 0 12px}
.legal p{color:var(--sable-dim);margin-bottom:12px}
.note{border:1px dashed var(--corail);border-radius:14px;padding:18px 22px;margin-bottom:32px;font-size:14.5px;color:var(--sable)}

/* Bannière icônes contact */
.social-row{display:flex;justify-content:center;gap:14px;margin-bottom:28px}
.social-row a{width:50px;height:50px;border-radius:50%;border:1px solid var(--bordure);background:var(--marine);display:flex;align-items:center;justify-content:center;color:var(--sable)}
.social-row a:hover{border-color:var(--lagon);color:var(--lagon)}
.social-row svg{width:22px;height:22px}
.social-row-sm{justify-content:flex-start;gap:10px;margin-bottom:0}
.social-row-sm a{width:38px;height:38px;color:var(--sable-dim)}
.social-row-sm svg{width:18px;height:18px}

/* Mobile */
@media(max-width:900px){
  .burger{display:flex}
  .nav-links{position:absolute;top:76px;left:0;right:0;background:var(--carte);flex-direction:column;align-items:flex-start;padding:20px 28px;gap:16px;border-bottom:1px solid var(--bordure);display:none}
  #navtog:checked ~ .nav-links{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .wrap{padding:0 20px}
  .sec{padding:56px 0}.hero{padding:60px 0 48px}
  .grid-3,.grid-2,.blog-grid,.contact-methods{grid-template-columns:1fr;gap:18px}
  .case-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:34px}
  .step{padding:0}
  .step:not(:last-child)::after{top:56px;bottom:-34px;left:27px;right:auto;width:0;height:auto;border-top:none;border-left:2px dotted var(--bordure)}
  .cta-box{padding:44px 24px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .price-table{display:block;overflow-x:auto;white-space:nowrap}
}
.blog-cta{background:var(--carte);border:1px solid var(--bordure);border-left:3px solid var(--corail);border-radius:12px;padding:22px 24px;margin:26px 0}
.blog-cta p{color:var(--sable);margin:0}
.blog-cta a{color:var(--corail);font-weight:600}
.blog-cta a:hover{text-decoration:underline
}