:root {
  --navy-950: #14161a;
  --navy-900: #1c1f26;
  --navy-800: #262a33;
  --navy-700: #383e4a;
  --gold-500: #e8590c;
  --gold-400: #f2793a;
  --ink: #1c2530;
  --ink-soft: #4a5568;
  --paper: #ffffff;
  --paper-soft: #f6f5f2;
  --line: #e4e1da;
  --radius: 4px;
  --max-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--navy-900);
}

.logo-mark {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 8px;
}

.logo span { color: var(--gold-500); }

.logo small {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav a {
  padding: 10px 11px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-800);
  border-radius: var(--radius);
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.nav a:hover { background: var(--paper-soft); }

.nav a.active { color: var(--gold-500); }

.nav .btn { margin-left: 8px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy-900);
  margin: 5px 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--gold-500);
  color: var(--navy-950);
}
.btn-primary:hover { background: var(--gold-400); }

.btn-outline {
  border-color: var(--navy-800);
  color: var(--navy-800);
}
.btn-outline:hover { background: var(--navy-800); color: #fff; }

.btn-ghost {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* ---------- Hero ---------- */
.hero {
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 64px),
    linear-gradient(160deg, var(--navy-950), var(--navy-800));
  color: #fff;
  padding: 96px 0 88px;
  border-bottom: 3px solid var(--gold-500);
}

.hero .eyebrow {
  display: inline-block;
  color: var(--gold-400);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 22px;
  max-width: 760px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  margin: 0 0 34px;
}

.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }

.page-hero {
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 64px),
    linear-gradient(160deg, var(--navy-950), var(--navy-800));
  color: #fff;
  padding: 64px 0 56px;
  border-bottom: 3px solid var(--gold-500);
}

.page-hero .eyebrow {
  display: inline-block;
  color: var(--gold-400);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.page-hero h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); margin: 0 0 16px; }
.page-hero p { color: rgba(255,255,255,0.82); max-width: 640px; margin: 0; font-size: 1.05rem; }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
section.soft { background: var(--paper-soft); }

.section-head { max-width: 640px; margin: 0 0 44px; }
.section-head .eyebrow {
  display: inline-block;
  color: var(--gold-500);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin: 0 0 14px; color: var(--navy-900); }
.section-head p { color: var(--ink-soft); margin: 0; font-size: 1.02rem; }

/* ---------- Grids / Cards ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
}

.card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-400);
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.card h3 { margin: 0 0 10px; font-size: 1.15rem; color: var(--navy-900); }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.card-list { margin: 10px 0 0; padding-left: 20px; color: var(--ink-soft); font-size: 0.97rem; }
.grid-2 .card p, .grid-2 .card-list li { text-align: justify; }
.card:has(.num) p { text-align: justify; }
.card-list li { margin-bottom: 10px; }
.card-list li:last-child { margin-bottom: 0; }
.card-list strong { color: var(--navy-900); }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats .stat strong {
  display: block;
  font-size: 2rem;
  color: var(--navy-900);
  font-weight: 800;
}
.stats .stat span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* ---------- Timeline (methode / a-propos) ---------- */
.steps {
  display: grid;
  gap: 0;
  counter-reset: step;
}
.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  position: relative;
  padding-bottom: 44px;
}
.step:last-child { padding-bottom: 0; }
.step-marker {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  flex-shrink: 0;
  z-index: 1;
}
.step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 31px;
  top: 64px;
  bottom: -44px;
  width: 2px;
  background: var(--line);
}
.step-body h3 { margin: 6px 0 8px; color: var(--navy-900); font-size: 1.2rem; }
.step-body p { margin: 0 0 6px; color: var(--ink-soft); }
.step-body .tag {
  display: inline-block;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  color: var(--navy-800);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-top: 8px;
}

/* ---------- Bio / about ---------- */
.bio-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}
.bio-photo-col { display: flex; justify-content: center; }
.bio-photo {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 3px solid var(--gold-500);
}

.exp-item { border-bottom: 1px solid var(--line); padding: 22px 0; }
.exp-item:first-child { padding-top: 0; }
.exp-item:last-child { border-bottom: none; }
.exp-item .exp-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.exp-item h4 { margin: 0; color: var(--navy-900); font-size: 1.05rem; }
.exp-item .period { color: var(--gold-500); font-weight: 700; font-size: 0.85rem; white-space: nowrap; }
.exp-item p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.exp-item .exp-result {
  display: block;
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(232, 89, 12, 0.1);
  color: var(--navy-900);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--radius);
}

.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.tag-list span {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  color: var(--navy-800);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}

/* ---------- Outils livrés ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.tool-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.tool-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--gold-500);
  flex-shrink: 0;
  font-size: 1.05rem;
}
.tool-item h4 { margin: 0 0 4px; color: var(--navy-900); font-size: 1rem; }
.tool-item p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- Domain icons ---------- */
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  color: var(--gold-500);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.team-card .avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 18px;
}
.team-card .avatar-photo {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 18px;
}
.team-card h3 { margin: 0 0 2px; color: var(--navy-900); font-size: 1.15rem; }
.team-card .role { color: var(--gold-500); font-weight: 700; font-size: 0.85rem; margin: 0 0 16px; }
.team-card h4 { margin: 16px 0 6px; color: var(--navy-900); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; }
.team-card p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; text-align: justify; }
.team-card p.no-justify { text-align: left; }

/* ---------- Placeholder note ---------- */
.placeholder-note {
  display: inline-block;
  background: var(--paper-soft);
  border: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-style: italic;
  padding: 3px 10px;
  border-radius: 999px;
  margin-top: 8px;
}

/* ---------- Case studies ---------- */
.case-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  margin-bottom: 24px;
}
.case-card:last-child { margin-bottom: 0; }
.case-card h3 { margin: 0 0 10px; color: var(--navy-900); font-size: 1.2rem; }
.case-card p { margin: 0 0 14px; color: var(--ink-soft); }
.case-card blockquote {
  margin: 18px 0 0;
  padding: 16px 20px;
  background: var(--paper-soft);
  border-left: 3px solid var(--gold-500);
  border-radius: var(--radius);
  font-style: italic;
  color: var(--navy-800);
}
.case-card blockquote cite { display: block; margin-top: 10px; font-style: normal; font-weight: 700; font-size: 0.85rem; color: var(--ink-soft); }
.case-card .case-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.case-card .case-head h3 { margin: 0; }
.case-card .case-activity { background: var(--paper-soft); border: 1px solid var(--line); color: var(--navy-800); font-size: 0.8rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
.case-card h4 { margin: 22px 0 6px; color: var(--navy-900); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
.case-card h4:first-of-type { margin-top: 18px; }
.case-card .case-result { padding: 12px 16px; background: rgba(232, 89, 12, 0.1); color: var(--navy-900); font-weight: 700; border-radius: var(--radius); margin: 0 0 14px; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-weight: 700; font-size: 0.88rem; color: var(--navy-900); }
.form-field label .req { color: var(--gold-500); }
.form-field input, .form-field textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--gold-500);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--ink-soft); margin: 4px 0 0; }

/* ---------- Legal fields (mentions légales placeholders) ---------- */
.legal-field {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.legal-field:last-child { border-bottom: none; }
.legal-field span:first-child { color: var(--navy-900); font-weight: 700; }
.legal-field span:last-child { color: var(--ink-soft); font-style: italic; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(160deg, var(--navy-950), var(--navy-800));
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 0 0 14px; }
.cta-band p { color: rgba(255,255,255,0.82); margin: 0 0 28px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  background: var(--paper);
}
.contact-card h3 { margin: 0 0 6px; color: var(--navy-900); }
.contact-card p { margin: 0 0 20px; color: var(--ink-soft); }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
.contact-list .icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--paper-soft); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-800); font-weight: 700; flex-shrink: 0;
}
.contact-list a { font-weight: 700; color: var(--navy-900); }
.contact-list a:hover { color: var(--gold-500); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.65);
  padding: 44px 0 28px;
  font-size: 0.9rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
}
.footer-top .logo { color: #fff; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .bio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: auto; }
}

@media (max-width: 900px) {
  .nav { position: fixed; top: 76px; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: stretch; padding: 12px 24px 20px; border-bottom: 1px solid var(--line); display: none; gap: 4px; }
  .nav.open { display: flex; }
  .nav a { font-size: 0.95rem; padding: 10px 16px; }
  .nav .btn { margin-left: 0; margin-top: 8px; text-align: center; }
  .nav-toggle { display: block; }
}

@media (max-width: 680px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .step { grid-template-columns: 52px 1fr; gap: 16px; }
  .step-marker { width: 52px; height: 52px; font-size: 1.1rem; }
  .step:not(:last-child)::before { left: 25px; top: 52px; bottom: -44px; }
  .exp-item .exp-head { flex-direction: column; gap: 4px; }
}