:root{
  --text:#070808;
  --background:#f8f9f9;
  --primary:#0f4980;
  --secondary:#acb9c5;
  --accent:#879db1;
  --primary-dark:#0a3459;
  --surface:#ffffff;
  --line: rgba(7,8,8,0.12);
  --line-soft: rgba(7,8,8,0.07);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Public Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background: var(--background);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  display:flex;
  align-items:center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before{
  content:'';
  width: 22px; height: 1px;
  background: var(--primary);
  display:inline-block;
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.btn{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  line-height: 1;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 3px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.btn:hover{ background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); }
.btn.ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn.ghost:hover{ border-color: var(--primary); color: var(--primary); background: transparent; }
.btn .arrow{ transition: transform .25s ease; }
.btn:hover .arrow{ transform: translateX(3px); }

/* ---------- HEADER ---------- */
header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  padding: 20px 0;
  transition: padding .3s ease, background .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
header.is-scrolled{
  padding: 13px 0;
  background: rgba(248,249,249,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
header .wrap{ display:flex; align-items:center; justify-content:space-between; }

.brand{ display:flex; align-items:center; gap: 12px; }
.brand-mark{ width: 26px; height: auto; flex-shrink:0; }
.brand-mark svg, .brand-mark img{ width:100%; height:auto; display:block; }
.brand-logo{ height: 24px; width:auto; flex-shrink:0; display:flex; }
.brand-logo img{ height:100%; width:auto; display:block; }
.brand-logo .logo-mark{ display:none; }
header.menu-open .brand-logo .logo-full{ display:none; }
header.menu-open .brand-logo .logo-mark{ display:block; }
.brand-word{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  line-height:1;
}
.brand-word span{
  display:block;
  font-family: var(--font-mono);
  font-weight:400;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 3px;
}

nav.main-nav{ display:flex; align-items:center; gap: 40px; }
nav.main-nav ul{ display:flex; gap: 30px; }
nav.main-nav ul a{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
  position: relative;
  padding-bottom: 3px;
}
nav.main-nav ul a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background: var(--primary);
  transition: width .25s ease;
}
nav.main-nav ul a:hover::after{ width:100%; }

.header-actions{ display:none; align-items:center; gap:16px; }
.nav-cta-mobile{ display:none; padding: 10px 18px; }
.nav-toggle{ display:none; background:none; border:none; width:26px; height:20px; position:relative; }
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px; background: var(--text);
  transition: transform .25s ease, opacity .25s ease, top .25s ease;
}
.nav-toggle span:nth-child(1){ top:0; }
.nav-toggle span:nth-child(2){ top:9px; }
.nav-toggle span:nth-child(3){ top:18px; }
.nav-toggle.open span:nth-child(1){ top:9px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ top:9px; transform: rotate(-45deg); }

/* ---------- HERO ---------- */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  padding-top: 120px;
  padding-bottom: 80px;
  overflow: hidden;
}
.hero-grid{
  position:absolute;
  top:0; right:0;
  width: min(58vw, 760px);
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(16, auto);
  gap: clamp(4px, 1vw, 10px);
  padding: 40px;
  pointer-events:none;
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(to left, black 40%, transparent 92%);
  mask-image: linear-gradient(to left, black 40%, transparent 92%);
}
.hero-grid .cell{
  aspect-ratio: 1;
  background: var(--line-soft);
  border-radius: 2px;
  opacity: 0;
  transform: scale(.4);
}
.hero-grid .cell.on{ background: var(--secondary); }
.hero-grid .cell.strong{ background: var(--accent); }
.hero-grid .cell.brand{ background: var(--primary); }

.hero-content{ position:relative; z-index:2; max-width: 640px; }
.hero h1{
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  margin-bottom: 26px;
}
.hero h1 .line{ display:block; overflow:hidden; }
.hero h1 .line span{ display:block; }
.js .hero h1 .line span{ transform: translateY(110%); }
.hero h1 em{ font-style: normal; color: var(--primary); }

.hero p.lead{
  font-size: 1.08rem;
  color: #2c2f31;
  max-width: 520px;
  margin-bottom: 38px;
}
.js .hero p.lead{ opacity:0; }
.hero-ctas{ display:flex; gap:16px; flex-wrap:wrap; }
.js .hero-ctas{ opacity:0; }

.hero-meta{
  position:absolute;
  bottom: 40px; left: 32px;
  display:flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: .04em;
}
.js .hero-meta{ opacity:0; }
.hero-meta strong{ color: var(--text); font-weight:500; }

/* ---------- SECTIONS ---------- */
section{ padding: 120px 0; position:relative; }
.section-head{ max-width: 640px; margin-bottom: 64px; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); }
.js .reveal{ opacity: 0; transform: translateY(28px); }

/* ---------- SERVICES ---------- */
.services-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card{
  background: var(--surface);
  padding: 44px;
  display:flex;
  flex-direction:column;
  gap: 18px;
  transition: background .3s ease;
}
.service-card:hover{ background: #fbfcfd; }
.service-top{ display:flex; align-items:flex-start; justify-content:space-between; gap: 16px; }
.service-code{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: .08em;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 4px 9px;
  border-radius: 3px;
  flex-shrink:0;
}
.service-card h3{ font-size: 1.28rem; font-weight:600; }
.service-card p{ color:#33383b; font-size: 0.98rem; }

/* ---------- APPROCHE ---------- */
.process{ position:relative; }
.process-line{
  position:absolute;
  left: 27px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--line);
  transform-origin: top;
}
.process-line-fill{
  position:absolute;
  left:0; top:0;
  width:100%;
  height:0%;
  background: var(--primary);
}
.step{
  display:grid;
  grid-template-columns: 56px 1fr;
  gap: 28px;
  padding: 30px 0;
  border-top: 1px solid var(--line-soft);
  align-items:start;
}
.step:first-child{ border-top:none; }
.step-num{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  background: var(--background);
  position:relative;
  z-index:2;
  padding-top: 4px;
}
.step h3{ font-size: 1.15rem; margin-bottom: 8px; }
.step p{ color:#33383b; max-width: 560px; }

/* ---------- ABOUT ---------- */
.about{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 70px; align-items:start; }
.about p{ color:#252829; font-size: 1.04rem; margin-bottom: 18px; max-width: 520px; }
.about-name{ font-family: var(--font-display); font-size:1.05rem; font-weight:600; margin-bottom: 4px; }
.about-role{ font-family: var(--font-mono); font-size:.8rem; color:var(--accent); margin-bottom: 26px; }

.panel{
  background: var(--text);
  color: var(--background);
  border-radius: 6px;
  padding: 28px 30px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
}
.panel .panel-head{
  display:flex; gap:7px; margin-bottom: 18px;
}
.panel .dot{ width:9px; height:9px; border-radius:50%; background: var(--secondary); opacity:.5; }
.panel-row{ display:flex; gap: 14px; }
.panel-row .k{ color: var(--accent); width: 96px; flex-shrink:0; }
.panel-row .v{ color: var(--background); }
.panel-row .prompt{ color: var(--secondary); }

/* ---------- CONTACT ---------- */
.contact-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  border-top: 1px solid var(--line);
  padding-top: 60px;
  min-width: 0;
}
.contact-links{ display:flex; flex-direction:column; gap: 22px; min-width: 0; }
.contact-link{
  display:flex; flex-direction:column; gap:4px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}
.contact-link .label{ font-family: var(--font-mono); font-size:.72rem; color:var(--accent); text-transform:uppercase; letter-spacing:.08em; }
.contact-link .value{ font-family: var(--font-display); font-size: 1.4rem; font-weight:500; transition: color .2s ease; overflow-wrap: anywhere; word-break: break-word; }
.contact-link:hover .value{ color: var(--primary); }
.contact-note{ color:#33383b; max-width: 440px; }
.contact-note strong{ color: var(--text); }

/* ---------- FOOTER ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 34px 0;
}
footer .wrap{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap: 14px; }
.foot-brand{ display:flex; align-items:center; gap:10px; }
.foot-brand .brand-mark{ width:18px; opacity:.85; }
footer small{ font-family: var(--font-mono); font-size: 0.72rem; color:#5b6164; }
.foot-social{ display:flex; align-items:center; gap:18px; }
.foot-social a{ color: var(--accent); transition: color .2s ease; }
.foot-social a:hover{ color: var(--primary); }
.foot-social svg{ width:17px; height:17px; display:block; }


/* ---------- SERVICE EXAMPLE ---------- */
.service-ex{
  margin-top:auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: #4a5155;
}
.service-ex b{ color: var(--primary); font-weight:500; letter-spacing:.06em; text-transform:uppercase; font-size:.7rem; margin-right:6px; }

/* ---------- CAS CONCRETS ---------- */
.cases-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.case-card{ background: var(--surface); padding: 44px; display:flex; flex-direction:column; gap: 14px; }
.case-metric{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.case-label{ font-family: var(--font-mono); font-size:.72rem; color:var(--accent); text-transform:uppercase; letter-spacing:.08em; }
.case-card h3{ font-size: 1.15rem; }
.case-card p{ color:#33383b; font-size: .98rem; }

/* ---------- BLOG CARDS ---------- */
.posts-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.post-card{
  background: var(--surface);
  padding: 34px;
  display:flex; flex-direction:column; gap: 14px;
  transition: background .3s ease;
}
.post-card:hover{ background:#fbfcfd; }
.post-card:hover h3{ color: var(--primary); }
.post-meta{ font-family: var(--font-mono); font-size:.72rem; color:var(--accent); letter-spacing:.06em; text-transform:uppercase; }
.post-card h3{ font-size: 1.15rem; line-height:1.3; transition: color .2s ease; }
.post-card p{ color:#33383b; font-size:.95rem; }
.post-more{ margin-top:auto; font-family: var(--font-mono); font-size:.8rem; color: var(--primary); }
.post-next{ justify-content:center; }
.post-next p{ font-family: var(--font-mono); font-size:.85rem; color:#4a5155; }
.post-next .prompt{ color: var(--primary); }
.post-card.post-next:hover{ background: var(--surface); }
.post-empty{
  grid-column: 1 / -1;
  background: var(--surface);
  padding: 34px;
  font-family: var(--font-mono);
  font-size: .85rem;
  color: #4a5155;
}
.post-empty .prompt{ color: var(--primary); margin-right: 10px; }
.blog-foot{ margin-top: 34px; display:flex; gap:16px; flex-wrap:wrap; align-items:center; }
.blog-foot small{ font-family: var(--font-mono); font-size:.75rem; color: var(--accent); }

/* ---------- CONTACT FORM ---------- */
.brief-form{ display:flex; flex-direction:column; gap: 18px; margin-top: 30px; max-width: 440px; }
.brief-form label{ display:flex; flex-direction:column; gap: 8px; }
.brief-form .label{ font-family: var(--font-mono); font-size:.72rem; color:var(--accent); text-transform:uppercase; letter-spacing:.08em; }
.brief-form select, .brief-form textarea{
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 12px 14px;
  transition: border-color .2s ease;
  width: 100%;
}
.brief-form textarea{ min-height: 120px; resize: vertical; }
.brief-form select:focus, .brief-form textarea:focus{ outline:none; border-color: var(--primary); }
.brief-form .btn{ align-self:flex-start; border: 1px solid var(--primary); }

/* ---------- ARTICLE ---------- */
.page-head{ padding: 170px 0 70px; }
.page-head h1{ font-size: clamp(2rem, 4vw, 3rem); line-height:1.1; max-width: 780px; }
.page-head .lead{ margin-top: 22px; font-size:1.08rem; color:#2c2f31; max-width: 620px; }
.page-section{ padding: 0 0 120px; }
.article-wrap{ max-width: 720px; }
.back-link{ font-family: var(--font-mono); font-size:.8rem; color: var(--accent); display:inline-block; margin-bottom: 28px; transition: color .2s ease; }
.back-link:hover{ color: var(--primary); }
.prose{ font-size: 1.06rem; line-height: 1.75; color:#252829; }
.prose > * + *{ margin-top: 1.1em; }
.prose h2{ font-size: 1.5rem; margin-top: 2em; line-height:1.25; }
.prose h3{ font-size: 1.18rem; margin-top: 1.6em; }
.prose a{ color: var(--primary); border-bottom: 1px solid var(--secondary); }
.prose a:hover{ border-color: var(--primary); }
.prose a:has(> img){ border-bottom: 0; cursor: zoom-in; }
.prose ul, .prose ol{ padding-left: 1.3em; }
.prose ul{ list-style: none; padding-left:0; }
.prose ul li{ position:relative; padding-left: 22px; }
.prose ul li::before{ content:'—'; position:absolute; left:0; color: var(--primary); font-family: var(--font-mono); }
.prose ol{ list-style: decimal; }
.prose li + li{ margin-top: .4em; }
.prose strong{ color: var(--text); }
.prose blockquote{ border-left: 2px solid var(--primary); padding: 4px 0 4px 20px; color:#33383b; }
.prose code{ font-family: var(--font-mono); font-size:.88em; background: var(--line-soft); padding: 2px 6px; border-radius: 3px; }
.prose pre{ font-family: var(--font-mono); font-size:.85rem; background: var(--text); color: var(--background); padding: 20px 22px; border-radius: 6px; overflow-x:auto; line-height:1.7; }
.prose pre code{ background:none; padding:0; }
.prose img{ display:block; max-width:100%; height:auto; border:1px solid var(--line); border-radius:6px; margin: 1.6em 0; }
.article-cta{ margin-top: 70px; }
.article-cta .panel-cta{ margin-top: 18px; font-family: var(--font-body); font-size: 1rem; line-height: 1.6; color: var(--background); }
.article-cta .btn{ margin-top: 20px; background: var(--background); color: var(--text); border-color: var(--background); }
.article-cta .btn:hover{ background: #fff; border-color:#fff; }

/* ---------- PARTENAIRES ---------- */
.partners-grid{ border: 1px solid var(--line); background: var(--line); display:grid; gap:1px; }
.partner-card{ background: var(--surface); padding: 44px; display:grid; grid-template-columns: minmax(200px, 320px) 1fr; gap: 44px; align-items:center; }
.partner-logo{ display:flex; align-items:center; justify-content:center; padding: 28px 24px; border: 1px solid var(--line-soft); border-radius: 3px; transition: border-color .2s ease; }
.partner-logo:hover{ border-color: var(--primary); }
.partner-logo img{ width:100%; max-width: 260px; height:auto; display:block; }
.partner-body{ display:flex; flex-direction:column; gap: 12px; }
.partner-body h3{ font-size: 1.15rem; }
.partner-body p{ color:#33383b; font-size:.98rem; }

/* ---------- ARTICLE : couverture + sommaire ---------- */
.post-cover{ margin: 6px 0 48px; }
.post-head .eyebrow{ margin-bottom: 22px; }
.post-head h1{ max-width: none; font-size: clamp(2.1rem, 4.4vw, 3.4rem); }
.post-head .lead{ max-width: none; font-size: 1.15rem; }
.post-cover img{ display:block; width:100%; height:auto; max-height: 560px; object-fit: contain; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.prose h2[id], .prose h3[id], .prose h4[id]{ scroll-margin-top: 110px; }
.post-head + .page-section .article-layout{ display:grid; grid-template-columns: minmax(0, 1fr) minmax(0, 680px) minmax(0, 1fr); column-gap: 48px; align-items: start; }
.post-head + .page-section .article-layout > .article-wrap{ grid-column: 2; max-width: none; }
.post-head + .page-section .article-layout > .post-toc{ grid-column: 3; grid-row: 1; justify-self: start; max-width: 230px; }
.post-toc{ position: sticky; top: 120px; border-left: 1px solid var(--line); padding: 4px 0 4px 18px; font-family: var(--font-mono); font-size: .76rem; line-height: 1.45; max-height: calc(100vh - 160px); overflow-y: auto; }
.post-toc .toc-label{ color: var(--accent); text-transform: uppercase; letter-spacing: .08em; font-size: .68rem; margin-bottom: 12px; }
.post-toc ol{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap: 9px; }
.post-toc .toc-l3{ padding-left: 14px; }
.post-toc a{ color: #4a5155; display:block; position:relative; transition: color .2s ease; }
.post-toc a:hover{ color: var(--primary); }
.post-toc a.active{ color: var(--primary); }
.post-toc a.active::before{ content:''; position:absolute; left:-19px; top:0; bottom:0; width:2px; background: var(--primary); }
.post-card.has-cover{ padding-top: 0; }
.post-thumb{ display:block; margin: 0 -34px 6px; aspect-ratio: 16 / 9; overflow:hidden; border-bottom: 1px solid var(--line); background: var(--line-soft); }
.post-thumb img{ width:100%; height:100%; object-fit: cover; display:block; transition: transform .5s ease; }
.post-card:hover .post-thumb img{ transform: scale(1.03); }

@media (max-width: 1180px){
  .post-head + .page-section .article-layout{ grid-template-columns: minmax(0,1fr) minmax(0,680px) minmax(0,1fr); }
  .post-head + .page-section .post-toc{ display:none; }
}
/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px){
  .services-grid, .cases-grid, .posts-grid{ grid-template-columns: 1fr; }
  .post-head + .page-section .article-layout{ display:block; }
  .post-toc{ display:none; }
  .post-next{ grid-column: auto !important; }
  .partner-card{ grid-template-columns: 1fr; gap: 26px; }
  .about{ grid-template-columns: 1fr; gap: 40px; }
  .contact-inner{ grid-template-columns: 1fr; gap: 30px; }
  .hero-grid{
    width: 80vw;
    opacity: .55;
    -webkit-mask-image: linear-gradient(225deg, black 22%, transparent 78%);
    mask-image: linear-gradient(225deg, black 22%, transparent 78%);
  }
}
@media (max-width: 1000px){
  nav.main-nav ul, nav.main-nav .btn{ display:none; }
  nav.main-nav.open ul{
    display:flex; flex-direction:column; gap:0;
    position:absolute; top: 100%; left:0; right:0;
    background: var(--background);
    border-bottom: 1px solid var(--line);
    padding: 6px 32px 20px;
  }
  nav.main-nav.open ul a{ display:block; padding: 12px 0; border-bottom:1px solid var(--line-soft); }
  .header-actions{ display:flex; }
  .nav-toggle{ display:block; }
  .nav-cta-mobile.open{ display:inline-flex; }
}
@media (max-width: 720px){
  .hero-meta{ flex-direction:column; gap:8px; left:20px; bottom:26px; }
  .wrap{ padding: 0 20px; }
  section{ padding: 84px 0; }
  .service-card, .case-card, .partner-card{ padding: 30px 24px; }
  .post-card{ padding: 28px 24px; }
  .post-thumb{ margin: 0 -24px 6px; }
  .post-cover{ margin: 0 0 34px; }
  .page-head{ padding: 130px 0 50px; }
  .page-section{ padding: 0 0 84px; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}