:root{--blue:#145587;--dark:#103a5b;--ink:#25343e;--muted:#687781;--stone:#f3f0ea;--line:#dfe4e8}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:Arial,sans-serif;line-height:1.6}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #e8edf0}.nav{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand img{width:155px}.nav-links{display:flex;gap:28px;align-items:center;text-transform:uppercase;font-size:12px;letter-spacing:.08em}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border:1px solid var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.05em}.btn.primary{background:var(--blue);color:white}
.hero{display:grid;grid-template-columns:1.03fr .97fr;min-height:630px}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:70px 6vw}.hero-media{min-height:630px;overflow:hidden}.hero-media img{width:100%;height:100%;object-fit:cover}.eyebrow{color:var(--blue);font-weight:bold;font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px}
h1,h2,h3{font-family:Georgia,serif;color:var(--dark);font-weight:normal;line-height:1.15;margin:0}h1{font-size:clamp(42px,5vw,70px)}h2{font-size:clamp(30px,3.5vw,48px)}h3{font-size:23px}.lead{font-size:18px;max-width:700px}.hero-actions{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap}
.section{padding:88px 0}.stone{background:var(--stone)}.blue{background:var(--dark);color:#fff}.blue h2,.blue h3{color:#fff}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:40px}.card{background:#fff;padding:30px 25px;min-height:210px}.card .num{color:var(--blue);font-size:12px;font-weight:bold;letter-spacing:.15em;margin-bottom:28px}.card p,.muted{color:var(--muted)}.text-link{color:var(--blue);font-weight:bold;font-size:13px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.team-portraits{display:grid;grid-template-columns:1fr 1fr;gap:22px}.team-portrait img{width:100%;height:360px;object-fit:cover;object-position:center 22%;filter:grayscale(100%)}.team-portrait h3{font-size:18px;margin-top:12px}.team-portrait p{margin:3px 0;color:var(--muted);font-size:13px}
.triple{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:40px}.triple h3{font-family:Arial,sans-serif;font-size:14px;letter-spacing:.08em;text-transform:uppercase}.triple p{color:#d5e0e7}.cta{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:65px 0}
.page-hero{padding:90px 0 62px;background:var(--stone)}.page-hero p{max-width:800px;font-size:18px}.profile-row{display:grid;grid-template-columns:260px 1fr;gap:50px;align-items:start;padding:52px 0;border-top:1px solid var(--line)}.profile-row:first-child{border-top:0}.profile-row img{width:260px;height:340px;object-fit:cover;object-position:center 22%;filter:grayscale(100%)}.profile,.project-block{padding:46px 0;border-top:1px solid var(--line)}.project-block p{max-width:850px}.tags{color:var(--blue);font-size:14px}.project-visual{height:440px;overflow:hidden}.project-visual img{width:100%;height:100%;object-fit:cover}
.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:65px}.contact-card{background:var(--stone);padding:35px}form{display:grid;gap:15px}label{font-size:13px;font-weight:bold}input,textarea{width:100%;padding:13px;border:1px solid #ccd5dc;font:inherit}textarea{min-height:150px}.notice{font-size:12px;color:var(--muted)}
.footer{background:#0b283f;color:#cbd6df;padding:38px 0 24px;font-size:13px}.footer a{color:#fff}.footer-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-logo img{width:125px;filter:brightness(0) invert(1)}.footer-small{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:16px;font-size:11px}.legal h2{font-size:26px;margin-top:30px}.legal p{max-width:920px}
@media(max-width:900px){.nav-links a:not(.primary){display:none}.brand img{width:125px}.hero{grid-template-columns:1fr}.hero-copy{padding:60px 24px}.hero-media{min-height:360px}.grid-4,.triple,.split,.contact-grid,.profile-row{grid-template-columns:1fr}.team-portrait img{height:270px}.profile-row img{width:100%;max-width:300px;height:360px}.section{padding:65px 0}.project-visual{height:300px}.cta{display:block}.cta .btn{margin-top:18px}}


/* --- Accueil lumineux 2026 --- */
.home-header{
  position:absolute;
  z-index:20;
  width:100%;
  background:transparent;
  border-bottom:0;
}
.home-header .nav{min-height:118px}
.brand-text{
  display:flex;
  flex-direction:column;
  gap:5px;
  text-decoration:none;
  color:#0d3554;
  line-height:1;
}
.brand-text span{
  font-family:Georgia,"Times New Roman",serif;
  font-size:31px;
  letter-spacing:.045em;
  font-weight:400;
}
.brand-text small{
  font-size:10px;
  letter-spacing:.23em;
  font-weight:600;
}
.home-header .nav-links a:not(.btn){color:#102f49}
.home-header .nav-links a:not(.btn):hover{opacity:.65}

.hero-full{
  min-height:100vh;
  position:relative;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:#f4efe7;
}
.hero-background{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(90deg, rgba(248,245,239,.98) 0%, rgba(248,245,239,.92) 27%, rgba(248,245,239,.28) 45%, rgba(248,245,239,0) 68%),
    url("assets/hero-accueil-lumineux.jpg");
  background-size:cover;
  background-position:center;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding-top:130px;
  padding-bottom:70px;
}
.hero-full .hero-copy{
  max-width:610px;
  padding:40px 0;
}
.hero-full h1{
  color:#0d3554;
  font-size:clamp(48px,5vw,78px);
  line-height:1.02;
  margin:0 0 24px;
  font-weight:400;
}
.hero-rule{
  width:42px;
  height:2px;
  background:#c7a05b;
  margin:0 0 24px;
}
.hero-signature{
  font-family:Georgia,"Times New Roman",serif;
  color:#0d3554;
  font-size:22px;
  margin-bottom:22px;
}
.hero-full .lead{
  max-width:560px;
  font-size:19px;
  line-height:1.55;
  margin-bottom:10px;
}
.hero-full .hero-copy p:not(.lead){
  max-width:560px;
  line-height:1.55;
}
.hero-full .hero-actions{margin-top:28px}

@media (max-width:900px){
  .home-header{position:relative;background:#fff}
  .home-header .nav{min-height:auto}
  .brand-text span{font-size:24px}
  .brand-text small{font-size:8px}
  .hero-full{min-height:auto}
  .hero-background{
    background-image:
      linear-gradient(180deg, rgba(248,245,239,.2), rgba(248,245,239,.96) 68%),
      url("assets/hero-accueil-lumineux.jpg");
    background-position:center;
  }
  .hero-inner{padding-top:280px;padding-bottom:55px}
  .hero-full .hero-copy{max-width:100%;padding:0}
  .hero-full h1{font-size:46px}
}


/* --- Accueil épuré : 3 blocs courts --- */
.home-shortcuts{
  background:#fff;
  padding:0;
}
.home-shortcuts-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  max-width:none;
  padding:0;
}
.home-shortcut{
  min-height:330px;
  padding:58px clamp(34px,4vw,72px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  text-decoration:none;
  color:#17354d;
  border-right:1px solid #e6e0d8;
  transition:transform .2s ease, background .2s ease;
}
.home-shortcut:last-child{border-right:0}
.home-shortcut:hover{background:#f6f2ec}
.home-shortcut .num{
  font-size:12px;
  letter-spacing:.18em;
  color:#b48b49;
  margin-bottom:24px;
}
.home-shortcut h2{
  margin:0 0 16px;
  font-size:34px;
  font-weight:400;
}
.home-shortcut p{
  max-width:360px;
  margin:0 0 26px;
  line-height:1.55;
}
.home-shortcut-blue{
  background:#10344f;
  color:#fff;
}
.home-shortcut-blue:hover{background:#163f5e}
.home-shortcut-blue .num{color:#d4b06b}
.home-shortcut-blue .text-link{color:#fff}
.home-shortcut .text-link{margin-top:auto}

@media (max-width:900px){
  .home-shortcuts-grid{grid-template-columns:1fr}
  .home-shortcut{
    min-height:auto;
    padding:42px 28px;
    border-right:0;
    border-bottom:1px solid #e6e0d8;
  }
}