body{font-family:"Inter","Inter",sans-serif;color:#1a1a2e;background:#fff}.navbar{background:white;border:1px solid #e8edf2;border-radius:999px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;height:68px;position:fixed;top:54px;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:1280px;z-index:100;box-shadow:0 8px 30px rgba(10,31,60,0.07)}.hero-bg-img{position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:center 22%;background-repeat:no-repeat;z-index:0}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(100deg,rgba(8,18,38,0.92) 0%,rgba(8,18,38,0.78) 40%,rgba(8,18,38,0.35) 75%,rgba(8,18,38,0.15) 100%);z-index:1}.hero-split-inner{position:relative;z-index:2;max-width:1280px;margin:0 auto;width:100%;display:grid;grid-template-columns:1.1fr 0.9fr;gap:44px;align-items:center;padding:150px 32px 56px;box-sizing:border-box}.hero-split-left .subtitle{font-size:16px;color:rgba(255,255,255,0.82);line-height:1.75;margin-bottom:26px;max-width:480px}.hero-trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.85);font-weight:500}@media (max-width:880px){.hero-split-inner{grid-template-columns:1fr;gap:28px;padding:130px 20px 32px}.hero-split-left{text-align:center}.hero-split-left .subtitle{margin-left:auto;margin-right:auto}.hero-trust-row{justify-content:center}.hero-split-left h1{font-size:26px}}.section-inner{width:90%;max-width:1280px;margin:0 auto}.section-tag{font-size:13px;font-weight:500;color:#0A1F3C;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.section-title{font-size:30px;font-weight:700;color:#0A1F3C;margin-bottom:16px;line-height:1.3;letter-spacing:-0.3px}.section-intro{font-size:17px;color:#3d4d60;line-height:1.7;max-width:100%;margin-bottom:36px}.pain-card{background:white;border:1px solid #e4ecf4;border-radius:14px;padding:22px 18px}.pain-card .pain-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:18px}.pain-card h3{font-size:14px;font-weight:500;color:#0A1F3C;margin-bottom:8px}.pain-card p{font-size:14px;color:#3d4d60;line-height:1.6}.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-card{background:white;border:1px solid #e4ecf4;border-radius:14px;padding:24px 20px;display:flex;flex-direction:column;gap:10px;cursor:pointer;text-decoration:none;transition:border-color 0.18s,box-shadow 0.18s}.service-card:hover{border-color:#0A1F3C;box-shadow:0 4px 16px rgba(10,31,60,0.1)}.steps{display:flex;flex-direction:column;gap:0}.step{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid #edf2f8;align-items:flex-start}.step-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;background:linear-gradient(135deg,#0A1F3C,#0A1F3C);color:white;border-radius:50%;font-size:13px;font-weight:700;margin-bottom:10px;letter-spacing:0;flex-shrink:0;box-shadow:0 3px 10px rgba(10,31,60,0.25)}.step-body h3{font-size:16px;font-weight:600;color:#0A1F3C;margin-bottom:6px}.step-body p{font-size:15px;color:#3d4d60;line-height:1.7}.why-card{background:#f6f9fd;border-radius:14px;padding:22px 18px}.why-card h3{font-size:16px;font-weight:600;color:#0A1F3C;margin-bottom:8px}.why-card p{font-size:14px;color:#3d4d60;line-height:1.7}.faq{display:flex;flex-direction:column;gap:0}.faq-q{font-size:14px;font-weight:500;color:#0A1F3C;display:flex;justify-content:space-between;align-items:center;gap:12px}.faq-a{font-size:14px;color:#3d4d60;line-height:1.65;margin-top:10px;display:none}.faq-item.open .faq-a{display:block}.faq-icon{font-size:18px;color:#0A1F3C;transition:transform 0.2s;flex-shrink:0}.cta-band{background:linear-gradient(135deg,#0A1F3C 0%,#14325C 100%);padding:48px 32px;text-align:center;border-radius:18px;margin:0 24px 40px}.btn-white{background:white;color:#0A1F3C;border:none;border-radius:28px;padding:12px 28px;font-size:14px;font-weight:500;cursor:pointer;font-family:"Inter","Inter",sans-serif;transition:box-shadow 0.15s}.btn-white:hover{box-shadow:0 4px 16px rgba(0,0,0,0.15)}.btn-outline-white{background:transparent;color:white;border:1.5px solid rgba(255,255,255,0.5);border-radius:28px;padding:12px 28px;font-size:14px;font-weight:500;cursor:pointer;font-family:"Inter","Inter",sans-serif;transition:background 0.15s}.navbar{transition:box-shadow 0.3s,background 0.3s}.reveal{opacity:1;transform:none;transition:none}.service-card{transition:border-color 0.2s,box-shadow 0.2s,transform 0.2s}.service-card:hover{transform:translateY(-4px);border-color:#0A1F3C;box-shadow:0 8px 24px rgba(10,31,60,0.07)}.why-card{transition:background 0.2s,box-shadow 0.2s,transform 0.2s}.pain-card{transition:border-color 0.2s,box-shadow 0.2s,transform 0.2s}.btn-white:hover{transform:scale(1.03);box-shadow:0 4px 20px rgba(0,0,0,0.18)}.faq-a{display:block!important;max-height:0;overflow:hidden;transition:max-height 0.4s ease,opacity 0.3s ease,margin-top 0.3s ease;opacity:0;margin-top:0}.faq-item.open .faq-a{max-height:1400px;opacity:1;margin-top:10px}.faq-icon{transition:transform 0.3s ease}#back-to-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:#0A1F3C;color:white;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(12px);transition:opacity 0.3s,transform 0.3s;z-index:999;box-shadow:0 4px 16px rgba(10,31,60,0.15);font-size:18px}.step{transition:background 0.2s,padding 0.2s,border-radius 0.2s;border-radius:0;padding-left:0}.mobile-menu{display:none;flex-direction:column;background:white;border-top:1px solid #e8edf2;padding:12px 20px 16px}.mobile-menu .btn-contact-mobile{margin-top:12px;background:#0A1F3C;color:white;border:none;border-radius:22px;padding:11px 20px;font-size:14px;font-weight:500;cursor:pointer;width:100%;font-family:"Inter","Inter",sans-serif;text-align:center;text-decoration:none;display:block}@media (max-width:900px){.nav-links{display:none}.logo img{height:22px!important;max-width:110px!important}.navbar{padding:0 10px;justify-content:space-between}.btn-contact{display:none}.hamburger{display:flex}.nav-phone-mobile{display:inline-flex;align-items:center;gap:5px;margin-left:auto;margin-right:12px;background:#fff;color:#E11D2E;border:none;border-radius:16px;padding:6px 10px;font-size:13px;font-weight:600;font-family:"Inter","Inter",sans-serif;text-decoration:none;white-space:nowrap;box-shadow:0 3px 12px rgba(225,29,46,0.35)}.nav-phone-mobile svg{flex-shrink:0;animation:phone-ring 4s ease-in-out infinite;transform-origin:center center}.hero-split-inner{padding:130px 20px 32px}.hero-split-left h1{font-size:22px}.hero-split-left .subtitle{font-size:13px}.section{padding:36px 20px}.section-title{font-size:20px}.pain-grid{grid-template-columns:1fr 1fr;gap:12px}.services-grid{grid-template-columns:1fr 1fr;gap:12px}.why-grid{grid-template-columns:1fr 1fr;gap:12px}.compare-grid{grid-template-columns:1fr}.cta-band{margin:0 12px 28px;padding:32px 20px;border-radius:14px}.cta-band h2{font-size:20px}}@media (max-width:520px){.pain-grid{grid-template-columns:1fr}.services-grid{grid-template-columns:1fr}.why-grid{grid-template-columns:1fr}.section-title{font-size:18px}.cta-band h2{font-size:18px}.step{flex-direction:column;gap:8px}}.mobile-menu{position:fixed;top:130px;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:1280px;border:1px solid #e8edf2;border-radius:16px;box-shadow:0 12px 30px rgba(10,31,60,0.08);z-index:99;max-height:calc(100vh - 150px);overflow-y:auto}.mobile-menu .btn-devis-mobile{margin-top:12px;background:#0A1F3C;color:#fff;border:none;border-radius:22px;padding:12px 20px;font-size:14px;font-weight:600;width:100%;font-family:"Inter","Inter",sans-serif;text-align:center;justify-content:center;text-decoration:none;box-shadow:0 4px 14px rgba(10,31,60,0.15);display:inline-flex;align-items:center}@keyframes phone-ring{0%{transform:rotate(0deg) translateY(0px)}6%{transform:rotate(-20deg) translateY(-3px)}12%{transform:rotate(15deg) translateY(-5px)}18%{transform:rotate(-10deg) translateY(-4px)}24%{transform:rotate(8deg) translateY(-3px)}30%{transform:rotate(-5deg) translateY(-2px)}38%{transform:rotate(0deg) translateY(0px)}100%{transform:rotate(0deg) translateY(0px)}}
/* ===== Page Études de cas ===== */
.cs-stats-strip{display:flex;justify-content:center;gap:0;max-width:860px;margin:0 auto;flex-wrap:wrap}
.cs-list{display:flex;flex-direction:column;gap:26px;max-width:960px;margin:0 auto}
.cs-card{background:white;border:1.5px solid var(--card-border);border-radius:18px;box-shadow:var(--card-shadow);overflow:hidden;transition:box-shadow 0.2s,transform 0.2s,border-color 0.2s}
.cs-card:hover{box-shadow:var(--card-shadow-hover);transform:translateY(-2px);border-color:var(--blue-mid)}
.cs-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:22px 26px 0}
.cs-badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:0.6px;padding:5px 13px;border-radius:999px;white-space:nowrap}
.cs-badge.seo{background:#DCF3EF;color:#0A1F3C}
.cs-badge.seolocal{background:#DCF3EF;color:#00565e}
.cs-badge.sea{background:#EEF2FF;color:#0A1F3C}
.cs-badge.refonte{background:linear-gradient(90deg,#DCF3EF,#DCF3EF);color:#00776A}
.cs-head h3{font-size:19px;font-weight:600;color:#0A1F3C;margin:0}
.cs-meta{font-size:12.5px;color:#5f6f82;display:flex;gap:14px;flex-wrap:wrap;margin-left:auto}
.cs-meta span{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.cs-context{font-size:14px;color:#3d4d60;line-height:1.7;padding:12px 26px 0;max-width:820px}
.cs-body{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;padding:20px 26px 22px}
.cs-col-title{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:0.6px;color:#5f6f82;margin-bottom:12px}
.cs-metric{display:grid;grid-template-columns:1fr auto auto auto;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid #edf2f8;font-size:13.5px}
.cs-metric:last-child{border-bottom:none}
.cs-metric .m-label{color:#3d4d60}
.cs-metric .m-before{color:#5f6f82;white-space:nowrap}
.cs-metric .m-arrow{color:#007F70;font-weight:700}
.cs-metric .m-after{font-weight:700;color:#0A1F3C;white-space:nowrap}
.cs-delta{display:inline-block;font-size:11.5px;font-weight:700;color:#146C2E;background:#E8F8EE;border-radius:999px;padding:2px 9px;margin-left:8px;white-space:nowrap}
.cs-actions{display:flex;flex-wrap:wrap;gap:8px}
.cs-chip{font-size:12.5px;color:#2a3a4c;background:#f2f6fc;border:1px solid #e0e8f4;border-radius:999px;padding:6px 13px;white-space:nowrap}
.cs-quote{margin:0 26px 24px;background:linear-gradient(135deg,#f6f9fd 0%,#f0fbff 100%);border-left:3px solid var(--teal);border-radius:0 12px 12px 0;padding:18px 22px}
.cs-quote p{font-size:14px;color:#2a3a4c;line-height:1.75;font-style:italic;margin:0 0 10px}
.cs-quote footer{font-size:12.5px;font-weight:600;color:#0A1F3C}
.cs-quote footer span{font-weight:400;color:#5f6f82}
@media (max-width:760px){.cs-body{grid-template-columns:1fr;gap:20px}.cs-meta{margin-left:0}.cs-metric{grid-template-columns:1fr auto auto auto;font-size:12.5px}.cs-head{padding:18px 18px 0}.cs-context{padding:10px 18px 0}.cs-body{padding:16px 18px 18px}.cs-quote{margin:0 18px 20px}}

/* Hero sans photo : dégradé de marque + halos décoratifs */
.hero-split.hero-about{background:linear-gradient(135deg,#0A1F3C 0%,#132a52 55%,#0b3352 100%);position:relative;overflow:hidden}
.hero-about::before{content:'';position:absolute;top:-140px;right:-120px;width:440px;height:440px;background:radial-gradient(circle,rgba(0,179,159,0.20) 0%,transparent 65%);border-radius:50%;pointer-events:none;z-index:0}
.hero-about::after{content:'';position:absolute;bottom:-160px;left:-120px;width:400px;height:400px;background:radial-gradient(circle,rgba(10,31,60,0.22) 0%,transparent 65%);border-radius:50%;pointer-events:none;z-index:0}
.hero-about .hero-split-inner{position:relative;z-index:2}

a.cs-badge{text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s}
a.cs-badge:hover{transform:translateY(-1px);box-shadow:0 4px 10px rgba(10,31,60,.18)}

/* Garde-fou : halos du hero contenus */
.hero-about{overflow:hidden}