/* ============================================================
   ING & CONCEPT — Design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Work+Sans:wght@300;400;500;600;700&display=swap');

:root{
  /* Brand palette */
  --red:        #C21B25;
  --maroon:     #A4161F;
  --plum:       #231F1C;
  --ochre:      #7A6F63;
  --olive:      #556B2F;
  --orange:     #C21B25;
  --stone:      #7A6F63;

  --ink:        #231F1C;
  --ink-soft:   #4E473F;
  --cream:      #FAF7F1;
  --cream-deep: #F1EBE0;
  --white:      #FFFFFF;
  --line:       #E4DDCE;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 10px;
  --shadow: 0 12px 32px -16px rgba(35, 31, 28, 0.25);
  --shadow-soft: 0 4px 18px -8px rgba(35, 31, 28, 0.18);

  --container: 1160px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.18;
  margin: 0 0 0.5em;
  color: var(--maroon);
}
p{ margin: 0 0 1.1em; }
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}
.eyebrow::before{
  content: "";
  width: 8px; height: 8px;
  background: var(--ochre);
  transform: rotate(45deg);
  display: inline-block;
}
.lede{
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 8px 20px -8px rgba(194, 27, 37, 0.45);
}
.btn-primary:hover{ background: var(--red); }
.btn-outline{
  border-color: var(--maroon);
  color: var(--maroon);
  background: transparent;
}
.btn-outline:hover{ background: var(--maroon); color: var(--white); }
.btn-ghost{
  color: var(--maroon);
  padding-left: 4px; padding-right: 4px;
}
.btn-ghost::after{ content: "→"; transition: transform .18s ease; }
.btn-ghost:hover::after{ transform: translateX(4px); }
.btn-block{ width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 241, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 24px;
}
.brand{ display: flex; align-items: center; }
.brand img{ height: 42px; width: auto; }
.nav-toggle{
  display: none;
  background: none; border: none; cursor: pointer;
  width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span{ width: 22px; height: 2px; background: var(--maroon); display: block; }
.main-nav{ display: flex; align-items: center; gap: 32px; }
.main-nav ul{ display: flex; gap: 28px; }
.main-nav a{
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.main-nav a:hover, .main-nav a.active{ color: var(--maroon); }
.main-nav a.active::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--red);
}

/* ---------- Hero ---------- */
.hero{
  padding: 84px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before{
  content: "";
  position: absolute;
  top: -120px; right: -160px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(194,27,37,0.10), transparent 70%);
  pointer-events: none;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1{
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  margin-bottom: 0.4em;
}
.hero h1 em{
  font-style: italic;
  color: var(--red);
}
.hero-actions{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.hero-art{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-art img{
  width: 100%;
  max-width: 340px;
  filter: drop-shadow(0 20px 40px rgba(164, 22, 31, 0.18));
}
.hero-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.hero-stat strong{
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--maroon);
}
.hero-stat span{
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.hero-brandstrip{
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.hero-brandstrip img{
  max-width: 320px;
  width: 100%;
  height: auto;
}

/* ---------- About (À propos) ---------- */
.about-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.about-photo img{
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-content h2{ margin-bottom: 18px; }
.about-content p{ font-size: 1.02rem; color: var(--ink-soft); }
@media (max-width: 980px){
  .about-grid{ grid-template-columns: 1fr; gap: 32px; }
  .about-photo img{ max-width: 320px; margin: 0 auto; }
}

/* ---------- Stat bubbles ---------- */
.stat-bubbles{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 48px;
}
.stat-bubble{
  text-align: center;
  max-width: 220px;
}
.bubble{
  width: 150px;
  height: 150px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--white);
  box-shadow: var(--shadow);
}
.bubble-red{ background: linear-gradient(135deg, var(--red), var(--maroon)); }
.bubble-olive{ background: linear-gradient(135deg, var(--olive), #3F4F23); }
.bubble-plum{ background: linear-gradient(135deg, var(--plum), var(--maroon)); }
.stat-bubble p{
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}
@media (max-width: 720px){
  .stat-bubbles{ gap: 28px; }
  .bubble{ width: 120px; height: 120px; font-size: 1.8rem; }
}

/* ---------- Sections ---------- */
section{ padding: 80px 0; }
.section-head{
  max-width: 640px;
  margin: 0 0 48px;
}
.bg-cream-deep{ background: var(--cream-deep); }
.bg-maroon{ background: var(--ink); color: var(--cream); }
.bg-maroon h2, .bg-maroon h3, .bg-maroon .eyebrow{ color: var(--cream); }
.bg-maroon .lede{ color: rgba(250,247,241,0.82); }

/* ---------- Cards: domaines d'intervention ---------- */
.domain-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.domain-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.domain-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); }
.domain-card .dot{
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
  font-size: 1.05rem;
}
.domain-card h3{ font-size: 1.15rem; margin-bottom: 10px; }
.domain-card p{ font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 0; }
.dot-red{ background: var(--red); }
.dot-plum{ background: var(--plum); }
.dot-ochre{ background: var(--ochre); }
.dot-olive{ background: var(--olive); }

/* ---------- CTA banner ---------- */
.cta-banner{
  border-radius: 20px;
  background: linear-gradient(135deg, var(--maroon), var(--red) 130%);
  color: var(--white);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2{ color: var(--white); margin-bottom: 8px; }
.cta-banner p{ color: rgba(255,255,255,0.85); margin-bottom: 0; max-width: 46ch; }
.cta-banner .btn-primary{ background: var(--white); color: var(--maroon); }
.cta-banner .btn-primary:hover{ background: var(--cream-deep); }

/* ---------- News / Actualités cards ---------- */
.news-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card{
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); }
.news-card-top{
  height: 8px;
}
.news-card-body{ padding: 28px; display: flex; flex-direction: column; flex: 1; }
.tag{
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  align-self: flex-start;
}
.tag-rh{ background: rgba(194,27,37,0.1); color: var(--red); }
.tag-esg{ background: rgba(85,107,47,0.14); color: var(--olive); }
.tag-strategie{ background: rgba(35,31,28,0.1); color: var(--plum); }
.news-card h3{ font-size: 1.18rem; margin-bottom: 10px; }
.news-card p{ font-size: 0.92rem; color: var(--ink-soft); flex: 1; }
.news-meta{
  font-size: 0.8rem;
  color: var(--stone);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ---------- Approche / process steps ---------- */
.steps{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step{
  position: relative;
  padding-top: 8px;
}
.step::before{
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--line);
  display: block;
  margin-bottom: 6px;
}
.step h4{ margin-bottom: 8px; font-size: 1.05rem; }
.step p{ font-size: 0.9rem; color: var(--ink-soft); }

/* ---------- Pillar blocks (Notre démarche) ---------- */
.pillar{
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
}
.pillar:last-of-type{ border-bottom: 1px solid var(--line); }
.pillar-label{
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--maroon);
}
.pillar-label span{
  display: block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ochre);
  margin-bottom: 8px;
}
.pillar-content ul{ margin-top: 16px; }
.pillar-content li{
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.pillar-content li::before{
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--red);
}

/* ---------- Quote ---------- */
blockquote{
  margin: 32px 0;
  padding: 24px 28px;
  border-left: 3px solid var(--ochre);
  background: var(--cream-deep);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--maroon);
}
blockquote cite{
  display: block;
  margin-top: 10px;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.85rem;
  color: var(--stone);
}

/* ---------- Article page ---------- */
.article-hero{
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}
.article-hero h1{ font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
.article-meta{
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.author-avatar{
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--maroon);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
}
.article-body{
  max-width: 740px;
  margin: 0 auto;
  padding-top: 56px;
  padding-bottom: 56px;
}
.article-body h2{
  font-size: 1.5rem;
  margin-top: 2em;
}
.article-body h3{
  font-size: 1.18rem;
  margin-top: 1.6em;
}
.article-body p, .article-body li{ color: var(--ink-soft); font-size: 1.02rem; }
.article-body ul{ margin: 0 0 1.2em; }
.article-body li{
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.article-body li::before{
  content: "";
  position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ochre);
}
.stat-callout{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 28px 0;
  padding: 26px;
  background: var(--cream-deep);
  border-radius: var(--radius);
}
.stat-callout div strong{
  display: block;
  font-family: var(--font-display);
  color: var(--red);
  font-size: 1.5rem;
}
.stat-callout div span{ font-size: 0.85rem; color: var(--ink-soft); }
.references{
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.references summary{
  cursor: pointer;
  font-weight: 600;
  color: var(--maroon);
  margin-bottom: 12px;
}
.references li{
  font-size: 0.82rem;
  color: var(--stone);
  margin-bottom: 6px;
}
.author-box{
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-top: 48px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.author-box .author-avatar{ width: 56px; height: 56px; font-size: 1.2rem; flex-shrink: 0; }
.author-box h4{ margin-bottom: 4px; }
.author-box p{ font-size: 0.9rem; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact-info-item{
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
}
.contact-info-item .dot{
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--cream-deep);
  color: var(--maroon);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-item h4{ margin-bottom: 4px; font-size: 1rem; }
.contact-info-item p{ margin-bottom: 0; font-size: 0.92rem; color: var(--ink-soft); }

form.contact-form{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row{ margin-bottom: 20px; }
.form-row-split{
  display: flex;
  gap: 16px;
}
.form-row-split .form-row{ flex: 1; margin-bottom: 20px; }
.form-row label{
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--maroon);
}
.form-row input, .form-row textarea, .form-row select{
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--cream);
  color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus{
  outline: none;
  border-color: var(--red);
}
.form-note{ font-size: 0.8rem; color: var(--stone); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--ink);
  color: var(--cream);
  padding: 64px 0 28px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(250,247,241,0.15);
}
.site-footer .brand{
  background: var(--cream);
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 8px;
}
.site-footer .brand img{ height: 34px; }
.footer-tagline{
  margin-top: 16px;
  font-size: 0.92rem;
  color: rgba(250,247,241,0.75);
  max-width: 34ch;
}
.footer-col h4{
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.footer-col li{ margin-bottom: 12px; }
.footer-col a{
  color: rgba(250,247,241,0.75);
  font-size: 0.92rem;
}
.footer-col a:hover{ color: var(--white); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  color: rgba(250,247,241,0.55);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; gap: 24px; }
  .hero-art{ order: -1; }
  .hero-art img{ max-width: 160px; margin: 0 auto; }
  .domain-grid{ grid-template-columns: repeat(2, 1fr); }
  .news-grid{ grid-template-columns: 1fr 1fr; }
  .steps{ grid-template-columns: repeat(2, 1fr); }
  .pillar{ grid-template-columns: 1fr; gap: 12px; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 720px){
  .form-row-split{ flex-direction: column; gap: 0; }
  .main-nav{
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    display: none;
    gap: 20px;
    z-index: 999;
    box-shadow: var(--shadow);
  }
  .main-nav.open{ display: flex; }
  .main-nav ul{ flex-direction: column; gap: 16px; width: 100%; }
  .nav-toggle{ display: flex; }
  .domain-grid{ grid-template-columns: 1fr; }
  .news-grid{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .cta-banner{ padding: 36px 28px; }
  .hero{ padding: 56px 0 60px; }
  section{ padding: 56px 0; }
}