:root{
  --ink:#0b2c42;
  --ink-soft:#24485a;
  --navy:#082d46;
  --navy-2:#0f4964;
  --teal:#10a7ab;
  --teal-soft:#6cced0;
  --paper:#f7f4ee;
  --paper-2:#efe9df;
  --white:#ffffff;
  --line:#d7d3cb;
  --muted:#526b77;
  --shadow:0 18px 50px rgba(8,45,70,.12);
  --radius:18px;
  --max:1200px;
  --font:"Avenir Next","Segoe UI Variable","Segoe UI","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.68;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input,select,textarea{font:inherit}
.container{width:min(calc(100% - 44px),var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,244,238,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(11,44,66,.10);transition:box-shadow .2s ease}.site-header.scrolled{box-shadow:0 8px 24px rgba(8,45,70,.07)}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand img{width:46px;height:46px;object-fit:contain}
.brand-copy{display:flex;flex-direction:column;line-height:1.05}.brand-copy strong{font-size:1.08rem;letter-spacing:.085em;font-weight:780}.brand-copy span{margin-top:5px;font-size:.60rem;letter-spacing:.16em;text-transform:uppercase;color:#71818a;font-weight:720}
.nav-links{display:flex;align-items:center;gap:25px;font-size:.91rem;color:#274756}.nav-links a{position:relative;padding:28px 0 24px}.nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--teal);transition:right .2s ease}.nav-links a:hover:after,.nav-links a.active:after{right:0}.nav-contact{border:1px solid #9eb1ba;border-radius:999px;padding:9px 16px!important;font-weight:760;color:var(--ink)!important}.nav-contact:after{display:none}.menu-button{display:none;border:0;background:transparent;color:var(--ink);font-size:1.5rem;cursor:pointer}

.kicker,.eyebrow{font-size:.69rem;letter-spacing:.18em;text-transform:uppercase;font-weight:820;color:var(--teal)}
h1,h2,h3{margin:0;color:var(--ink);font-weight:720;letter-spacing:-.025em;line-height:1.12}h1{font-size:clamp(2.7rem,4.7vw,3.9rem)}h2{font-size:clamp(1.85rem,3vw,2.65rem)}h3{font-size:1.16rem}
p{margin:0 0 1.15rem}.lead{font-size:1.13rem;line-height:1.78;color:#3f5c6b;max-width:760px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:9px;padding:12px 17px;font-weight:760;font-size:.9rem;border:1px solid transparent;cursor:pointer;transition:.2s ease}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:#124c68;transform:translateY(-1px)}.btn-secondary{border-color:#aebbc1;background:#fff;color:var(--ink)}.btn-secondary:hover{border-color:var(--teal);color:#087d84}

/* Home */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#072b43 0%,#0b3c56 58%,#0b485a 100%);color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 35%,rgba(25,190,191,.17),transparent 28%),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:auto,96px 96px;pointer-events:none}
.hero-grid{position:relative;z-index:1;min-height:560px;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:68px 0 62px}
.hero .eyebrow{color:#7ed5d7;margin-bottom:18px}.hero h1{color:#fff;max-width:760px}.hero .lead{color:#d0dde2;margin-top:24px;max-width:690px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero .btn-primary{background:#fff;color:var(--navy)}.hero .btn-primary:hover{background:#e9f5f4}.hero .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.hero .btn-secondary:hover{border-color:#fff;color:#fff}
.hero-logo-stage{position:relative;min-height:420px;display:grid;place-items:center;isolation:isolate}.hero-logo-stage:before{content:"";position:absolute;width:330px;height:330px;border-radius:50%;background:radial-gradient(circle,rgba(39,193,195,.16),rgba(39,193,195,0) 67%);filter:blur(4px)}.hero-logo{position:relative;width:min(86%,440px);filter:drop-shadow(0 26px 35px rgba(0,0,0,.18));transition:transform .28s ease;will-change:transform}.hero-micro{position:absolute;right:0;bottom:18px;display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end;color:#a9c6ce;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.hero-micro span{display:flex;align-items:center;gap:7px}.hero-micro i{width:5px;height:5px;border-radius:50%;background:#69d0d2}

.focus-strip{background:#fff;border-bottom:1px solid var(--line)}.focus-inner{display:grid;grid-template-columns:repeat(6,1fr)}.focus-item{padding:18px 16px;border-right:1px solid var(--line);min-height:92px;display:flex;flex-direction:column;justify-content:center;transition:.18s ease}.focus-item:first-child{border-left:1px solid var(--line)}.focus-item:hover{background:#f0f6f5}.focus-item span{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:#7e8d94}.focus-item strong{margin-top:5px;font-size:.92rem;line-height:1.28}

.section{padding:64px 0}.section-tight{padding:46px 0}.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:.72fr 1.28fr;gap:52px;align-items:end;margin-bottom:32px}.section-head .kicker{margin-bottom:8px}.section-head p{color:var(--muted);font-size:1.02rem;line-height:1.72;max-width:760px}
.six-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.six-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;min-height:205px;transition:.2s ease;display:flex;flex-direction:column}.six-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcc8cc}.six-card .n{font-size:.66rem;letter-spacing:.14em;color:#91a0a6}.six-card h3{margin-top:18px}.six-card p{margin:13px 0 0;color:var(--muted);font-size:.96rem;line-height:1.68}.six-card a{margin-top:auto;padding-top:14px;font-size:.82rem;color:#087f86;font-weight:760}

.precession-band{background:var(--navy);color:#fff}.precession-grid{display:grid;grid-template-columns:1fr .86fr;gap:58px;align-items:center}.precession-band .kicker{color:#81d1d3}.precession-band h2{color:#fff;margin:8px 0 16px}.precession-band p{color:#c4d6dc}.precession-list{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.16)}.precession-list div{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.16);display:grid;grid-template-columns:42px 1fr;gap:13px}.precession-list span{color:#7fd0d2;font-size:.7rem;letter-spacing:.12em}.precession-list strong{color:#fff;font-size:.98rem;font-weight:670}

.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.split p{color:var(--muted)}.signal-lines{border-top:1px solid var(--line)}.signal-line{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;align-items:center}.signal-line strong{font-size:.94rem}.signal-line span{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}

.person-strip{display:grid;grid-template-columns:260px 1fr;gap:38px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.person-photo{height:320px}.person-photo img{width:100%;height:100%;object-fit:cover;object-position:center 17%}.person-copy{padding:26px 38px 26px 0}.person-copy .kicker{margin-bottom:8px}.person-copy p{color:var(--muted);max-width:780px}.person-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}
.cta{background:#dfeceb;border-top:1px solid #c7d7d5}.cta-inner{display:flex;justify-content:space-between;gap:28px;align-items:center}.cta-inner p{margin:7px 0 0;color:#4e6873}

/* Inner pages */
.page-hero{padding:48px 0 40px;background:linear-gradient(120deg,#f2ede4,#f8f6f1);border-bottom:1px solid var(--line)}.page-hero .kicker{margin-bottom:9px}.page-hero h1{font-size:clamp(2.3rem,4vw,3.3rem);max-width:900px}.page-hero p{max-width:820px;color:var(--muted);font-size:1rem;margin-top:14px}
.expert-page{display:grid;grid-template-columns:250px 1fr;gap:42px;align-items:start}.expert-nav{position:sticky;top:96px;border-top:1px solid var(--line)}.expert-nav a{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:.82rem;color:#4d6570}.expert-nav a:hover{color:var(--teal)}.expert-sections{display:grid;gap:16px}.expert-block{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px}.expert-block .num{font-size:.66rem;letter-spacing:.14em;color:#8b9ba2;margin-bottom:9px}.expert-block h2{font-size:1.55rem;margin-bottom:10px}.expert-block p{color:var(--muted);font-size:1rem;line-height:1.74}.expert-block ul{margin:14px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.expert-block li{padding-left:15px;position:relative;font-size:.95rem;line-height:1.58;color:#415966}.expert-block li:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--teal);position:absolute;left:0;top:.6em}

.tech-page-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px}.tech-tabs{display:grid;gap:8px}.tech-tab{border:1px solid var(--line);background:#fff;border-radius:11px;padding:16px;text-align:left;color:var(--ink);cursor:pointer;transition:.18s ease}.tech-tab.active,.tech-tab:hover{border-color:#93c8ca;background:#edf6f5}.tech-tab strong{display:block;font-size:.98rem}.tech-tab span{font-size:.79rem;color:var(--muted)}.tech-panel{background:var(--navy);color:#dce9ed;border-radius:16px;padding:30px;min-height:360px;position:relative;overflow:hidden}.tech-panel:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-90px;bottom:-110px;border:1px solid rgba(255,255,255,.1);box-shadow:0 0 0 55px rgba(255,255,255,.025)}.tech-panel>*{position:relative;z-index:1}.tech-panel h2{color:#fff}.tech-panel p{color:#bfd1d7}.tech-panel ul{padding:0;list-style:none;margin:22px 0 0}.tech-panel li{padding:11px 0;border-top:1px solid rgba(255,255,255,.14);font-size:.9rem}

.profile-page{display:grid;grid-template-columns:360px 1fr;gap:46px;align-items:start}.profile-photo{border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.profile-photo img{width:100%;height:auto}.profile-copy p{color:var(--muted)}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.profile-point{background:#fff;border:1px solid var(--line);border-radius:11px;padding:15px}.profile-point strong{display:block;margin-bottom:3px}.profile-point span{font-size:.82rem;color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:start}.contact-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px}.topics{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin:10px 0 18px}.topics label{display:flex;gap:9px;align-items:flex-start;font-size:.84rem;color:#405966}.topics input{margin-top:3px}.field{display:grid;gap:6px;margin-bottom:13px}.field label{font-size:.75rem;color:#536a74}.field input,.field textarea,.field select{width:100%;border:1px solid #c7c9c6;background:#fff;border-radius:7px;padding:11px 12px;color:var(--ink);font-size:.9rem}.field textarea{min-height:105px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-side{background:var(--navy);color:#fff;border-radius:14px;padding:24px}.contact-side .kicker{color:#82d0d2}.contact-side h2{color:#fff;font-size:1.45rem;margin:8px 0 14px}.contact-side a{color:#fff}.contact-side p{color:#bfd1d7;font-size:.86rem}.direct-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.direct-actions a,.direct-actions button{border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:8px;padding:10px;font-size:.8rem;font-weight:700;cursor:pointer}.direct-actions a:hover,.direct-actions button:hover{background:rgba(255,255,255,.08)}

.legal{max-width:860px}.legal h2{font-size:1.35rem;margin:30px 0 8px}.legal p,.legal li{color:#526974}.legal ul{padding-left:20px}

.footer{background:#061f31;color:#bfd0d6;padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:1.25fr .75fr .9fr;gap:34px}.footer strong{color:#fff}.footer p{font-size:.83rem;max-width:450px}.footer a{display:block;margin:.45rem 0;font-size:.83rem}.footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.11);margin-top:28px;padding-top:18px;font-size:.74rem;color:#839ba5;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

.reveal{opacity:1;transform:none;transition:transform .35s ease,opacity .35s ease}.reveal.visible{opacity:1;transform:none}

@media(max-width:1000px){.menu-button{display:block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:78px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-links a:after{display:none}.hero-grid,.precession-grid,.split,.expert-page,.tech-page-grid,.profile-page,.contact-grid{grid-template-columns:1fr}.hero-grid{min-height:auto}.hero-logo-stage{min-height:330px}.focus-inner{grid-template-columns:repeat(3,1fr)}.focus-item:nth-child(3){border-right:0}.focus-item:nth-child(n+4){border-top:1px solid var(--line)}.section-head{grid-template-columns:1fr;gap:10px}.six-grid{grid-template-columns:repeat(2,1fr)}.expert-nav{position:static;display:none}.person-strip{grid-template-columns:220px 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.container{width:min(calc(100% - 28px),var(--max))}.nav{min-height:68px}.brand img{width:40px;height:40px}.brand-copy strong{font-size:.94rem}.brand-copy span{display:none}.nav-links{top:68px}.hero-grid{padding:46px 0 40px;gap:26px}.hero h1{font-size:2.35rem}.hero-logo-stage{min-height:260px}.hero-logo{width:76%}.hero-micro{position:static;justify-content:flex-start;margin-top:10px}.focus-inner,.six-grid,.expert-block ul,.profile-grid,.topics,.form-row,.footer-grid{grid-template-columns:1fr}.focus-item{border-right:1px solid var(--line);border-left:1px solid var(--line);border-top:1px solid var(--line)!important}.section{padding:48px 0}.section-tight{padding:38px 0}.person-strip{grid-template-columns:1fr}.person-photo{height:360px}.person-copy{padding:23px}.cta-inner{display:block}.cta-inner .btn{margin-top:15px}.page-hero{padding:36px 0 30px}.direct-actions{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn:hover,.hero-logo{transform:none!important}}

/* V11 — lisibilité et brochures */
.brochure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.brochure-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;flex-direction:column;min-height:300px}
.brochure-card .kicker{margin-bottom:12px}.brochure-card h2{font-size:1.55rem;line-height:1.18;margin-bottom:14px}.brochure-card p{color:var(--muted);font-size:1rem;line-height:1.72}.brochure-card .btn{margin-top:auto;align-self:flex-start}
@media(max-width:1000px){.brochure-grid{grid-template-columns:1fr}}
@media(max-width:680px){body{font-size:17px;line-height:1.72}.hero h1{font-size:2.32rem;line-height:1.08}.hero .lead{font-size:1.08rem;line-height:1.72}.expert-block{padding:27px 24px}.expert-block h2{font-size:1.62rem;line-height:1.16;margin-bottom:14px}.expert-block p{font-size:1rem;line-height:1.76}.expert-block ul{margin-top:18px;gap:12px}.expert-block li{font-size:.98rem;line-height:1.62}.page-hero p{font-size:1.04rem;line-height:1.72}}