:root{
  --ink:#071a33;
  --navy:#0a2342;
  --blue:#0b5cad;
  --cyan:#00a6c7;
  --orange:#f06a24;
  --paper:#f4f7fb;
  --white:#fff;
  --text:#253a50;
  --muted:#6e7f90;
  --line:#dce5ef;
  --shadow:0 24px 80px rgba(1,18,38,.18);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-50px;background:#fff;padding:10px 14px;z-index:999;border-radius:8px;box-shadow:var(--shadow)}
.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto 0;height:86px;z-index:100;background:rgba(5,20,40,.78);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12);transition:.25s}
.site-header.scrolled{height:72px;background:rgba(5,20,40,.94)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;background:#fff;border-radius:10px;padding:6px 9px;box-shadow:0 6px 28px rgba(0,0,0,.15)}
.brand img{width:150px;height:50px;object-fit:contain}
.site-header.scrolled .brand img{height:40px;width:130px}
.nav-main{display:flex;align-items:center;gap:28px;color:#e9f2fb;font-size:.92rem;font-weight:650}
.nav-main a{position:relative;transition:.2s}
.nav-main>a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:#fff;transition:.2s}
.nav-main>a:not(.nav-cta):hover::after,.nav-main>a.active::after{right:0}
.nav-cta{border:1px solid rgba(255,255,255,.48);padding:10px 16px;border-radius:999px}
.nav-cta:hover{background:#fff;color:var(--ink)}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:8px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:#fff;margin:6px 0;border-radius:3px}
.hero{min-height:760px;height:92vh;display:grid;align-items:center;position:relative;overflow:hidden;color:#fff}
.hero-media{position:absolute;inset:0;background:url('assets/palonnier.webp') center 48%/cover no-repeat;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,16,34,.97) 0%,rgba(3,16,34,.88) 38%,rgba(3,16,34,.44) 68%,rgba(3,16,34,.2) 100%),linear-gradient(0deg,rgba(3,16,34,.75),transparent 40%)}
.hero-content{position:relative;z-index:2;padding-top:86px}
.eyebrow,.kicker{text-transform:uppercase;letter-spacing:.15em;font-size:.78rem;font-weight:800}
.eyebrow{color:#8ed8ff;margin-bottom:20px}
.kicker{color:var(--blue);margin-bottom:11px}
.section-dark .kicker,.standards .kicker{color:#7ed9ff}
.hero h1{font-size:clamp(3rem,6.2vw,6rem);line-height:.98;letter-spacing:-.055em;margin:0;max-width:930px;font-weight:800}
.hero h1 span{color:#dceeff;font-weight:600}
.hero>div p,.hero-content>p{font-size:1.2rem;max-width:700px;color:#d5e1ee;margin:28px 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:12px;font-weight:750;transition:.2s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--blue),#1686d8);color:#fff;box-shadow:0 14px 34px rgba(11,92,173,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(11,92,173,.38)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.hero-badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;max-width:820px;margin-top:54px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);border-radius:16px;overflow:hidden}
.hero-badges>div{background:rgba(5,23,46,.66);padding:18px 20px;display:grid;gap:3px}
.hero-badges strong{font-size:1rem}.hero-badges span{color:#aebfd1;font-size:.78rem}
.section{padding:110px 0}
.split-intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:start}
h2{font-size:clamp(2.2rem,4vw,4.2rem);line-height:1.06;letter-spacing:-.045em;margin:0;font-weight:780}
.intro-copy{font-size:1.14rem;color:var(--text)}
.intro-copy p:first-child{margin-top:0}
.section-dark{background:linear-gradient(145deg,#06162d,#0a2649);color:#fff;position:relative;overflow:hidden}
.section-dark::before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(0,166,199,.18),transparent 68%);right:-240px;top:-180px}
.section-head{display:grid;grid-template-columns:1.35fr .65fr;gap:65px;align-items:end;margin-bottom:56px;position:relative}
.section-head>p{color:var(--muted);font-size:1.05rem;margin:0}
.section-dark .section-head>p{color:#aac0d3}
.expertise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.expertise-card{padding:30px 26px;border:1px solid rgba(255,255,255,.16);background:#0a213c;border-radius:18px;min-height:270px;transition:.25s;position:relative;overflow:hidden;isolation:isolate}
.expertise-card::before{content:"";position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(4,18,38,.35),rgba(4,18,38,.92)),var(--card-bg);background-size:cover;background-position:center;z-index:-2;transition:transform .45s ease,filter .45s ease}
.expertise-card::after{content:"";position:absolute;inset:0;background:linear-gradient(125deg,rgba(8,34,62,.12),rgba(6,21,40,.42));z-index:-1}
.expertise-card:hover{transform:translateY(-5px);border-color:rgba(126,217,255,.55);box-shadow:0 18px 45px rgba(0,0,0,.22)}
.expertise-card:hover::before{transform:scale(1.035);filter:saturate(1.08)}
.expertise-card .num{font-size:.78rem;color:#7ed9ff;font-weight:800;letter-spacing:.12em}
.expertise-card h3{font-size:1.23rem;margin:42px 0 10px;color:#fff;text-shadow:0 2px 16px rgba(0,0,0,.45)}.expertise-card p{color:#d5e0eb;font-size:.93rem;margin:0;text-shadow:0 1px 12px rgba(0,0,0,.5)}
.visual-band{min-height:640px;position:relative;overflow:hidden;display:flex;align-items:flex-end;color:#fff;background:#071a33}
.visual-band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.94)}
.visual-band::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,18,38,.96),rgba(4,18,38,.1) 68%),linear-gradient(90deg,rgba(4,18,38,.75),transparent 62%)}
.visual-band-copy{position:relative;z-index:2;width:min(1180px,calc(100% - 40px));margin:0 auto;padding:0 0 64px;max-width:1180px}
.visual-band-copy .kicker{color:#8ed8ff}.visual-band-copy h2{max-width:900px}.visual-band-copy p{max-width:680px;color:#c8d8e6}
.sector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sector-card{border-top:3px solid var(--blue);padding:28px 24px;background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(247,250,253,.90));border-radius:0 0 16px 16px;min-height:220px;position:relative;overflow:hidden;isolation:isolate;box-shadow:0 10px 28px rgba(7,26,51,.05)}
.sector-card::before{content:"";position:absolute;inset:0;background-image:var(--sector-bg);background-size:cover;background-position:center;opacity:.115;filter:grayscale(.25) contrast(1.05);z-index:-2;transform:scale(1.04)}
.sector-card::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(255,255,255,.95) 12%,rgba(255,255,255,.82) 56%,rgba(255,255,255,.62));z-index:-1}
.sector-card:hover::before{opacity:.17;transform:scale(1.07);transition:.35s ease}
.sector-card h3{margin:0 0 10px;font-size:1.18rem;color:#071a33}.sector-card p{color:#34465b;margin:0;font-size:.94rem}
.methodology{background:#eef4fa}
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.method-copy p{color:var(--text);font-size:1.08rem;max-width:570px}
.tool-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.tool-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;font-size:.86rem;font-weight:700;color:var(--navy)}
.method-image img{border-radius:var(--radius);box-shadow:var(--shadow)}
.process{display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr auto 1fr auto;align-items:center;gap:14px;margin-top:78px}
.process-step{display:grid;gap:3px;max-width:165px}.process-step span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:.8rem;font-weight:800}.process-step strong{margin-top:7px}.process-step small{color:var(--muted);line-height:1.35}.process-line{height:1px;background:#b9c8d8}
.standards-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center;position:relative}
.standards-copy>p{color:#b7cadb}.standard-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.standard-list span{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:9px;padding:8px 11px;font-size:.85rem;font-weight:700}
.standards-figure{margin:0;position:relative}.standards-figure img{border-radius:var(--radius);box-shadow:var(--shadow)}.standards-figure figcaption{position:absolute;left:18px;bottom:16px;background:rgba(4,18,38,.78);backdrop-filter:blur(10px);padding:9px 13px;border-radius:8px;font-size:.83rem}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:245px;gap:12px}
.gallery-item{position:relative;overflow:hidden;border-radius:14px;margin:0;background:#dbe5ef}.gallery-item.wide{grid-column:span 2;grid-row:span 2}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s}.gallery-item::after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(3,17,33,.78))}.gallery-item:hover img{transform:scale(1.04)}.gallery-item figcaption{position:absolute;z-index:2;left:18px;bottom:14px;color:#fff;font-weight:720;font-size:.9rem}
.quality{background:#f7f9fc;padding-top:70px}
.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quality-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;display:grid;grid-template-columns:auto 1fr;gap:24px;box-shadow:0 12px 40px rgba(10,35,66,.06)}.quality-mark{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--navy),var(--blue));display:grid;place-items:center;color:#fff;font-weight:900;font-size:1.1rem}.quality-card h2{font-size:1.65rem;letter-spacing:-.03em}.quality-card p{margin-bottom:0;color:var(--text)}
.contact-section{background:linear-gradient(135deg,#071a33,#0c3662);color:#fff;padding:110px 0;position:relative;overflow:hidden}.contact-section::after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-180px;top:-220px;background:radial-gradient(circle,rgba(0,166,199,.25),transparent 66%)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:75px;position:relative;z-index:2}.contact-copy .kicker{color:#83dfff}.contact-copy p{color:#bfd0df;font-size:1.05rem}.contact-note{margin-top:28px;padding:14px 16px;border-left:3px solid #6ed4ee;background:rgba(255,255,255,.06);color:#b9cad9;font-size:.88rem;border-radius:0 10px 10px 0}
.contact-form{background:#fff;color:var(--ink);border-radius:22px;padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:16px;box-shadow:var(--shadow)}.contact-form label{display:grid;gap:7px;font-size:.82rem;font-weight:800}.contact-form label:nth-of-type(4){grid-column:1/-1}.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid #ccd8e3;border-radius:10px;padding:12px 13px;color:var(--ink);background:#fbfdff;outline:none}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,92,173,.12)}.contact-form .btn{justify-self:start}.form-status{grid-column:1/-1;margin:0;font-size:.88rem;color:var(--blue);font-weight:650}
.site-footer{background:#03101f;color:#a9b9c8;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}.footer-brand img{width:170px;background:#fff;border-radius:10px;padding:7px}.footer-brand p{max-width:390px}.footer-grid>div:not(.footer-brand){display:grid;align-content:start;gap:8px;font-size:.9rem}.footer-grid strong{color:#fff;margin-bottom:8px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;font-size:.8rem}
.reveal{opacity:1;transform:none;transition:opacity .65s ease,transform .65s ease}.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.reveal{opacity:1;transform:none;transition:none}.gallery-item img,.btn,.expertise-card{transition:none}}
@media (max-width:1050px){.nav-main{gap:18px;font-size:.86rem}.expertise-grid{grid-template-columns:repeat(2,1fr)}.sector-grid{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:1fr 1fr;gap:20px}.process-line{display:none}.process-step{max-width:none}.process-step:last-child{grid-column:1/-1}.hero-badges{max-width:730px}}
@media (max-width:820px){.site-header{height:74px}.brand img{width:120px;height:40px}.menu-toggle{display:block}.nav-main{position:absolute;top:74px;left:20px;right:20px;background:#071a33;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px;display:none;flex-direction:column;align-items:stretch;gap:2px;box-shadow:var(--shadow)}.nav-main.open{display:flex}.nav-main a{padding:11px 12px}.nav-cta{text-align:center;margin-top:7px}.hero{min-height:760px;height:auto;padding:85px 0 50px}.hero-media{background-position:60% center}.hero-overlay{background:linear-gradient(90deg,rgba(3,16,34,.95),rgba(3,16,34,.72)),linear-gradient(0deg,rgba(3,16,34,.94),transparent)}.hero-badges{grid-template-columns:1fr;margin-top:38px}.split-intro,.section-head,.method-grid,.standards-grid,.contact-grid{grid-template-columns:1fr;gap:34px}.section-head{align-items:start}.section{padding:80px 0}.contact-section{padding:80px 0}.gallery{grid-auto-rows:220px}.quality-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:560px){.container{width:min(100% - 28px,1180px)}.hero h1{font-size:3.2rem}.hero-content>p{font-size:1.05rem}.hero-actions{display:grid}.btn{width:100%}.expertise-grid,.sector-grid,.gallery{grid-template-columns:1fr}.gallery{grid-auto-rows:240px}.gallery-item.wide{grid-column:auto;grid-row:auto}.expertise-card{min-height:0}.visual-band{min-height:580px}.quality-card{grid-template-columns:1fr}.contact-form{grid-template-columns:1fr;padding:22px}.contact-form label:nth-of-type(4){grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column;gap:8px}}

/* --- MG CALCULS V2 : enrichissements, sans rupture de l'identité initiale --- */
.about-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,70px);align-items:center;margin-top:64px}.about-image{border-radius:22px;overflow:hidden;box-shadow:0 22px 60px rgba(7,26,51,.18)}.about-image img{width:100%;height:100%;min-height:390px;object-fit:cover;display:block}.about-copy h3{font-size:clamp(1.7rem,3vw,2.6rem);margin:.35rem 0 1rem;color:#071a33}.check-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;list-style:none;padding:0;margin:22px 0 0}.check-list li{position:relative;padding-left:25px;color:#34465b}.check-list li::before{content:"✓";position:absolute;left:0;color:#0f6ab7;font-weight:900}
.analyses-section{background:linear-gradient(180deg,#f6f9fc 0%,#fff 100%)}.analysis-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.analysis-card{background:#fff;border:1px solid #dfe8f2;border-radius:18px;padding:26px;box-shadow:0 12px 34px rgba(7,26,51,.07)}.analysis-card h3{color:#071a33;margin:0 0 10px;font-size:1.15rem}.analysis-card p{margin:0;color:#516176;line-height:1.7}.analysis-spotlight{display:grid;grid-template-columns:1.1fr .9fr;gap:0;margin-top:34px;border-radius:24px;overflow:hidden;background:#071a33;color:#fff}.spotlight-image img{width:100%;height:100%;min-height:390px;object-fit:cover;display:block}.spotlight-copy{padding:clamp(30px,5vw,64px);display:flex;flex-direction:column;justify-content:center}.spotlight-copy h3{font-size:clamp(1.6rem,3vw,2.5rem);margin:12px 0}.spotlight-copy p{color:#c9d5e4;line-height:1.75}.pill{display:inline-flex;align-self:flex-start;background:#0e67b3;border:1px solid #2a86d1;border-radius:999px;padding:8px 12px;font-weight:800;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.sector-grid-6{grid-template-columns:repeat(3,1fr)}
.gallery-subtitle{margin:44px 0 18px;color:#071a33;font-size:1.25rem}.gallery-new{margin-bottom:20px}.gallery-item img{transition:transform .45s ease,filter .45s ease}.gallery-item:hover img{transform:scale(1.025);filter:saturate(1.05)}
.clients-section{background:#f7f9fc}.client-logos{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:stretch}.client-logos>div{min-height:118px;background:#fff;border:1px solid #e2eaf3;border-radius:14px;display:flex;align-items:center;justify-content:center;padding:20px;box-shadow:0 8px 24px rgba(7,26,51,.04)}.client-logos img{max-width:100%;max-height:72px;object-fit:contain;filter:grayscale(.06)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.file-field small{display:block;font-weight:400;color:#758399;margin:4px 0 8px}.file-field input[type=file]{padding:12px;background:#f7f9fc;border:1px dashed #9fb2c8}.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.contact-copy h2 span{color:#5fa4dc}.contact-note a{color:inherit;font-weight:800}
@media(max-width:1050px){.analysis-cards{grid-template-columns:repeat(2,1fr)}.sector-grid-6{grid-template-columns:repeat(2,1fr)}.client-logos{grid-template-columns:repeat(4,1fr)}}
@media(max-width:800px){.about-feature,.analysis-spotlight{grid-template-columns:1fr}.about-image img,.spotlight-image img{min-height:280px}.check-list{grid-template-columns:1fr}.client-logos{grid-template-columns:repeat(3,1fr)}.form-row{grid-template-columns:1fr}}
@media(max-width:560px){.analysis-cards,.sector-grid-6{grid-template-columns:1fr}.client-logos{grid-template-columns:repeat(2,1fr)}.client-logos>div{min-height:92px;padding:14px}.client-logos img{max-height:58px}}