:root{--ink:#0b1828;--gold:#e3c48c;--teal:#55c2b5;--muted:#adbdcb}body{background:#f2f5f7;color:#172b3a}header{position:relative;z-index:5;background:#f9fbfc;border-bottom:1px solid #d8e2e8}.nav img{border-radius:8px}.nav-links a:last-child,.back{border-radius:30px;border-color:#bdcbd3}.hero{isolation:isolate;position:relative;overflow:hidden;background:radial-gradient(ellipse at 78% 18%,#177a7a66,transparent 48%),radial-gradient(ellipse at 12% 60%,#31558777,transparent 48%),radial-gradient(ellipse at 62% 100%,#9e784a33,transparent 50%),#0b1828}.hero:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#9fb8d309 1px,transparent 1px),linear-gradient(90deg,#9fb8d309 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(transparent,#000,transparent)}.hero:after{content:"";position:absolute;width:900px;height:900px;border:1px solid #95c7cd18;border-radius:50%;left:50%;top:57%;transform:translate(-50%,-50%);box-shadow:0 0 0 85px #95c7cd08,0 0 0 175px #95c7cd06;z-index:-1;pointer-events:none}.hero .wrap{position:relative}.hero-head .eyebrow,.eyebrow{color:#e3c48c}.hero h1 span{background:linear-gradient(100deg,#fff4d9,#e3c48c 65%,#bfe3dd);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-head p:last-child,.lead{color:#cfdae5}.orbit-card{background:linear-gradient(135deg,#1a3545,#172938);border-color:#b8a174;box-shadow:0 0 0 8px #102332,0 14px 40px #0004}.orbit-card:hover{background:linear-gradient(135deg,#245c65,#243d4c);border-color:#f4dfb5;box-shadow:0 0 0 8px #102332,0 0 35px #58c8ba35}.orbit-card small{color:#d5d8cd}.orbit-center{box-shadow:0 0 0 9px #102332,0 0 0 10px #b8a174,0 0 80px #e7c98b20}.orbit-lines path{stroke:#d8be86}.orbit-caption{color:#e3c48c}.branch,.card,.project{border-radius:18px;background:linear-gradient(145deg,#fff,#f7fafb);box-shadow:0 12px 40px #17354d08;border-color:#d9e3e9;transition:transform .2s,box-shadow .2s}.branch:hover,.card:hover,.project:hover{transform:translateY(-4px);box-shadow:0 18px 45px #17354d12}.parent{border-radius:18px;background:linear-gradient(135deg,#0b1828,#23525b)}.presence{background:radial-gradient(ellipse at 100% 0,#23646788,transparent 55%),#0b1828}.places{border-color:#6e8690}.place{border-color:#6e8690}.projects{background:radial-gradient(ellipse at 0 0,#dbeceb,transparent 70%),#eaf0f4}.project{border-top-color:#bfa06d}.contact{background:linear-gradient(115deg,#e6cf9f,#f4e9d2 55%,#d4e5df)}.details{border-radius:18px;box-shadow:0 10px 40px #172b3a0c}footer{background:#0b1828;color:#adbdcb}.content{background:radial-gradient(ellipse at 100% 0,#e1efec,transparent 60%),#f2f5f7}.button{border-radius:30px;background:#e3c48c}.card a,.branch a,.project a{color:#38636a}.site-status{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border:1px solid #ffffff38;border-radius:30px;color:#e4ebe9;font-size:12px;margin-top:28px;background:#ffffff08}.site-status:before{content:"";width:7px;height:7px;border-radius:50%;background:#65caba;box-shadow:0 0 16px #65caba77}.teaser .hero{padding:90px 0 100px;min-height:540px}.teaser .hero h1{max-width:850px}.teaser .hero .lead{max-width:720px}.teaser .content .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:start}.teaser-copy p{font-size:17px;line-height:1.8;color:#516676}.launch-note{padding:34px;border:1px solid #d5e2e5;border-radius:20px;background:linear-gradient(135deg,#fff,#e7f0ee)}.launch-note h3{font-size:24px;line-height:1.25;margin:0 0 16px}.launch-note p{line-height:1.75;color:#516676}.launch-note a{display:inline-block;margin-top:12px;font-weight:700;color:#285f65;text-underline-offset:5px}.teaser .hero{background:radial-gradient(ellipse at 85% 20%,var(--accent,#177a7a66),transparent 55%),radial-gradient(ellipse at 10% 80%,#31558755,transparent 55%),#0b1828}.teaser-label{color:#788c9a;font-size:12px;text-transform:uppercase;letter-spacing:.13em}.teaser .back{color:#172b3a}.teaser h2{font-size:clamp(30px,4vw,44px)}.teaser .return{margin-top:24px}a:focus-visible{outline:3px solid #53a69a;outline-offset:5px}@media(max-width:1050px){.orbit-card{box-shadow:none}.teaser .content .wrap{grid-template-columns:1fr;gap:30px}}@media(max-width:680px){.teaser .hero{padding:65px 0;min-height:0}.hero:after{width:650px;height:650px}.teaser h1{font-size:44px;overflow-wrap:anywhere}.launch-note{padding:25px}.site-status{line-height:1.5}.hero-head p:last-child{line-height:1.7}.nav{gap:12px}.teaser .back{font-size:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Signature intégrée et en-tête du groupe */
header{background:linear-gradient(110deg,#0b1828,#142d3b);color:#f1eee5;border-bottom:1px solid #c8bb9240;position:relative;isolation:isolate}header:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 0,#48b9aa18,transparent 70%);pointer-events:none;z-index:-1}.nav img{width:158px;height:80px;object-fit:cover;filter:invert(1) grayscale(1);mix-blend-mode:screen;border-radius:0;background:transparent}.nav-links a:last-child,.back{border-color:#d6bc8760;background:#ffffff05}.nav-links a:hover,.back:hover{color:#e7cd95}.teaser .back{color:#f1eee5}.hero{background:radial-gradient(ellipse at 75% 20%,#177a7a88,transparent 50%),radial-gradient(ellipse at 8% 70%,#31558788,transparent 50%),radial-gradient(ellipse at 55% 100%,#9e784a40,transparent 55%),#081725}.hero:before{background-image:linear-gradient(#9fb8d310 1px,transparent 1px),linear-gradient(90deg,#9fb8d310 1px,transparent 1px);background-size:96px 96px}.hero:after{border-color:#95c7cd25;box-shadow:0 0 0 85px #95c7cd0c,0 0 0 175px #95c7cd08,0 0 140px #43a69a15}.hero-head{max-width:900px}.hero-head h1{font-size:clamp(2.7rem,5.5vw,5rem)}.hero-head p:last-child{font-size:1.1rem;color:#c6d7df}.orbit-center img{mix-blend-mode:multiply;background:transparent}.presence{background:radial-gradient(ellipse at 85% 0,#236467aa,transparent 65%),linear-gradient(120deg,#0a1929,#173142)}.contact{background:radial-gradient(ellipse at 95% 0,#b7d9ce,transparent 70%),linear-gradient(120deg,#f0dbb1,#f7ecda)}.branch,.project,.card{border-top-color:#bba679}.content,.projects{background-image:radial-gradient(ellipse at 100% 0,#dcebe5,transparent 65%),linear-gradient(145deg,#f5f7f7,#eaf0f4)}@media(max-width:680px){.nav img{width:125px;height:65px}.hero-head h1{font-size:2.8rem}.teaser .nav img{width:125px;height:65px}}

/* Signature animée : logo stable, orbites lentes */
.group-mark{position:relative;display:grid;place-items:center;isolation:isolate;padding:8px 0}.group-mark img{position:relative;z-index:2}.group-mark:before{content:"";position:absolute;left:28px;right:28px;top:8px;bottom:8px;border:1px solid #68c8bb55;border-radius:50%;transform:rotate(-24deg);box-shadow:0 0 20px #62baaa14;pointer-events:none}.brand-satellite{position:absolute;inset:10px 32px;border-radius:50%;animation:logo-orbit 26s linear infinite;pointer-events:none}.brand-satellite:after{content:"";position:absolute;top:2px;left:50%;width:4px;height:4px;border-radius:50%;background:#eed5a3;box-shadow:0 0 10px #eed5a3}
.orbit-center{overflow:visible;background:radial-gradient(circle at 35% 25%,#274e5c,#102432 70%);border-color:#dfc493;box-shadow:0 0 0 8px #102332,0 0 0 9px #c2a67499,0 0 75px #53baaa30,0 20px 60px #0005}.orbit-center:before{inset:-16px;border:1px solid #69c9ba30;border-top-color:#8de4d4;border-right-color:#e1c085;border-radius:50%;animation:logo-orbit 30s linear infinite;pointer-events:none}.orbit-center:after{inset:-30px;width:auto;height:auto;border:1px solid #bdcfc329;border-radius:50%;transform:rotate(-32deg) scaleY(.73);pointer-events:none}.orbit-center img{width:250px;height:130px;object-fit:cover;filter:invert(1) grayscale(1);mix-blend-mode:screen;background:transparent}.logo-globe{position:absolute;inset:16px;border-radius:50%;overflow:hidden;background:repeating-linear-gradient(0deg,transparent 0 41px,#8ecdc21c 42px 43px,transparent 44px 45px);pointer-events:none}.logo-globe:before,.logo-globe:after{content:"";position:absolute;inset:0 25%;border:1px solid #8ecdc22a;border-radius:50%}.logo-globe:after{inset:0 40%}.logo-satellite{position:absolute;inset:-16px;border-radius:50%;animation:logo-orbit 30s linear infinite;pointer-events:none}.logo-satellite:after{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;background:#f3d39c;box-shadow:0 0 16px #f3d39c,0 0 28px #e4c69066}@keyframes logo-orbit{to{transform:rotate(360deg)}}@media(max-width:1050px){.orbit-center{margin-top:30px;margin-bottom:45px}.orbit-center img{width:190px;height:99px}}@media(max-width:680px){.orbit-center img{width:155px;height:81px}.group-mark:before{left:20px;right:20px}.brand-satellite{left:24px;right:24px}.logo-satellite:after{width:6px;height:6px;top:-3px}}@media(prefers-reduced-motion:reduce){.orbit-center:before,.logo-satellite,.brand-satellite{animation:none}}

/* Même matière pour la signature centrale et l’en-tête */
:root{--group-logo-surface:radial-gradient(circle at 35% 25%,#274e5c,#102432 70%)}
header,.orbit-center{background:var(--group-logo-surface)}
header:after{background:radial-gradient(ellipse at 20% 40%,#78cfbe12,transparent 65%)}
.group-mark{border-radius:50%;background:var(--group-logo-surface);border:1px solid #8ed2c42b;box-shadow:inset 0 0 24px #77d0ba0b;transition:border-color .3s,box-shadow .3s}
.group-mark:after{content:"";position:absolute;inset:4px;border-radius:50%;box-shadow:0 0 18px #72d3c05c,0 0 34px #d9c28a22,inset 0 0 16px #72d3c020;border:1px solid #b9e4d955;opacity:.25;animation:brand-breathe 2s ease-in-out infinite;pointer-events:none;z-index:1}
.group-mark:hover,.group-mark:focus-visible{border-color:#d8c18aaa;box-shadow:0 0 24px #6acabc55,inset 0 0 24px #7fcfba18}
.group-mark:hover:after,.group-mark:focus-visible:after{animation:none;opacity:1;box-shadow:0 0 26px #72d3c082,0 0 44px #d9c28a40,inset 0 0 20px #72d3c030}
@keyframes brand-breathe{0%,100%{opacity:.2}50%{opacity:.85}}
@media(prefers-reduced-motion:reduce){.group-mark{transition:none}.group-mark:after{animation:none;opacity:.45}}

.agenda-home{padding:38px 0;background:linear-gradient(110deg,#e9eee8,#f4eee0);border-bottom:1px solid #d6dfd9}.agenda-home .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}.agenda-home h2{font-size:30px;margin:6px 0 12px}.agenda-home p{max-width:640px;line-height:1.65;margin:0}.agenda-home .button{flex-shrink:0;color:#132c38;padding:15px 22px;text-decoration:none;font-weight:700;display:inline-block}.agenda-hero{padding:75px 0 85px}.agenda-hero h1{font-size:clamp(42px,6vw,70px);max-width:850px}.agenda-hero .lead{max-width:680px;line-height:1.75}.agenda-content{padding:75px 0;background:linear-gradient(145deg,#f5f7f7,#eaf0f4)}.agenda-intro{max-width:750px;margin-bottom:35px}.agenda-intro p{line-height:1.75;color:#516676}.agenda-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.agenda-card{padding:34px;border:1px solid #d5e1e4;border-top:3px solid #ba9e70;border-radius:20px;background:linear-gradient(145deg,#fff,#f2f7f5);box-shadow:0 15px 45px #17354d0b}.agenda-card h3{font-size:30px;margin:14px 0 20px}.agenda-card p{line-height:1.75;color:#516676}.agenda-card a{color:#285f65;font-weight:700;text-underline-offset:5px;line-height:1.65}.agenda-status{display:inline-block;padding:7px 11px;border-radius:25px;background:#e8f1ed;color:#37675e;font-size:12px;font-weight:700;margin-bottom:22px}.agenda-date{border-top:1px solid #dce6e1;padding-top:20px;font-size:14px}.agenda-contact{padding:60px 0;background:linear-gradient(115deg,#102432,#274e5c);color:#f4eee2}.agenda-contact p{max-width:650px;line-height:1.75;color:#cfddd9}.agenda-contact .button{display:inline-block;color:#132c38;padding:15px 22px;text-decoration:none;font-weight:700;margin-top:16px}@media(max-width:680px){.agenda-home .wrap{flex-direction:column;align-items:flex-start}.agenda-grid{grid-template-columns:1fr}.agenda-card{padding:25px}.agenda-hero,.agenda-content{padding:50px 0}.nav-links{gap:12px;font-size:12px}.nav-links a[href="agenda.html"],.nav-links a[href="journal.html"]{display:inline-block}.agenda-home h2{font-size:28px}}

.agenda-filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px}.agenda-filters button{font:700 13px/1.4 Arial,sans-serif;border:1px solid #c7d8d3;border-radius:30px;padding:12px 17px;background:#fff;color:#28515a;cursor:pointer}.agenda-filters button[aria-pressed="true"]{background:#1b424e;color:#fff;border-color:#1b424e}.agenda-filters button:focus-visible{outline:3px solid #53a69a;outline-offset:3px}.agenda-count{font-size:13px;color:#516676;margin-bottom:24px}.agenda-card[hidden]{display:none}

/* Halo commun aux deux signatures, indépendant de leurs orbites */
.orbit-center:after{box-shadow:0 0 25px #72d3c05c,0 0 45px #d9c28a22,inset 0 0 24px #72d3c020;opacity:.25;animation:brand-breathe 2s ease-in-out infinite}
.orbit-center:hover:after{animation:none;opacity:1;box-shadow:0 0 35px #72d3c082,0 0 60px #d9c28a40,inset 0 0 26px #72d3c030}
@media(prefers-reduced-motion:reduce){.orbit-center:after{animation:none;opacity:.45}}

/* Palette commune : kaki, ivoire, bleu profond et or doux */
:root{--khaki:#7f8160;--khaki-dark:#565d3e;--khaki-soft:#edf0e5;--paper:#fbfaf4;--gold:#d7be88}
.branch,.project,.card{border-top-color:var(--khaki)}.orbit-card{border-color:#a0a47f}.orbit-card:hover{border-color:#ddc58d}.nav-links a:last-child,.back{border-color:#a9b18a70}.agenda-home{background:linear-gradient(110deg,#e5eadc,#f4efdf);border-bottom-color:#cbd3bd}.agenda-home .teaser-label{color:var(--khaki-dark)}.agenda-home .button{background:#d7be88}.project .tag,.branch .tag{color:var(--khaki-dark)}