:root {
  /* Blanc dominant + Marine sobre comme unique accent */
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;        /* off-white pour sections alternées */
  --bg-deep: #E5EAF0;        /* fond image */
  --surface: #FFFFFF;
  --text: #1A1F2E;           /* charcoal — corps de texte */
  --text-soft: #4A5A70;
  --text-mute: #5C6377;
  --muted: #8A92A0;
  --line: #E5EAF0;           /* lignes très discrètes */
  --ink: #0F2940;            /* MARINE — unique couleur secondaire */
  --ink-deep: #081B2C;
  --ink-soft: #29405A;
  --accent-bg: rgba(15, 41, 64, 0.05);   /* fond très léger pour blocs accent */
  --serif: 'Cormorant Garamond', 'Garamond', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--ink); color: var(--bg); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
  color: var(--text);
}
h1 em, h2 em, h3 em {
  font-style: italic;
  font-weight: 500;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 26px;
}
.eyebrow--copper { color: rgba(255, 255, 255, 0.7); }  /* sur fond marine du Contact */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  border: 1.5px solid transparent;
  border-radius: 0;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.15s ease;
  cursor: pointer;
}
.btn-sm { padding: 9px 18px; font-size: 0.78rem; }
.btn-lg { padding: 16px 32px; font-size: 0.9rem; }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--ink-deep);
  border-color: var(--ink-deep);
  transform: translateY(-1px);
}

.btn-copper {
  /* gardé même nom de classe pour ne pas changer le HTML — devient outline marine */
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-copper:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  transform: translateY(-1px);
}

.btn-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-link {
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--text);
  color: var(--text);
}
.btn-link:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
.brand-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a:not(.btn) {
  color: var(--text-soft);
  transition: color 0.2s ease;
}
.nav-links a:not(.btn):hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  padding: 80px 32px 100px;
}
.hero-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 70px;
  align-items: center;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3rem, 6.5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 0 0 22px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.hero-first { color: var(--text); }
.hero-middle {
  color: var(--text-mute);
  font-size: 0.7em;
  font-weight: 400;
  font-style: italic;
}
.hero-last { color: var(--ink); font-style: italic; font-weight: 500; }

.hero-role {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.hero-sub {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  font-style: italic;
  font-weight: 400;
  color: var(--text-soft);
  max-width: 560px;
  margin: 0 0 28px;
  line-height: 1.5;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}
.hero-tags span {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: var(--surface);
}

.hero-cta {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-deep);
  overflow: hidden;
  border: 1px solid var(--line);
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-image-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 8rem;
  font-style: italic;
  color: var(--ink);
  background: var(--bg-deep);
  letter-spacing: 0.05em;
}
.hero-image-tag {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 10px;
}

/* ---------- Sections ---------- */
.section {
  padding: 100px 32px;
  border-top: 1px solid var(--line);
}
.section-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.section-head {
  margin-bottom: 60px;
  max-width: 720px;
}
.section-head h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 500;
  margin: 0;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.col-side h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 500;
}

.lead {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
  margin: 0 0 22px;
}
.col-main p {
  margin: 0 0 18px;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.metric-num {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.02em;
}
.metric-lbl {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--text-soft);
  line-height: 1.4;
  font-weight: 500;
}
.metric-lbl small {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 400;
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ---------- Pillars (4 piliers ERP) ---------- */
.pillars { background: var(--bg-soft); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.pillar {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px 28px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.pillar:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
}
.pillar-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1;
}
.pillar h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0 0 12px;
}
.pillar p {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin: 0;
}

/* ---------- Timeline ---------- */
.timeline { display: grid; gap: 0; }
.role {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 50px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.role:first-child { border-top: 0; padding-top: 0; }

.role--current .role-period::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink);
  margin-right: 8px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.role-meta { display: flex; flex-direction: column; gap: 4px; }
.role-period {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}
.role-company {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  margin: 4px 0 0;
  color: var(--text);
}
.role-place {
  font-size: 0.86rem;
  color: var(--muted);
  margin: 0;
}

.role-body h3 {
  font-size: 1.4rem;
  font-weight: 500;
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}
.role-scope {
  font-family: var(--sans);
  font-size: 0.84rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
  margin: 0 0 18px;
  font-style: italic;
}
.role-body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.role-body li {
  position: relative;
  padding-left: 18px;
  font-size: 0.96rem;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.role-body li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ink);
}
.role-impact {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--text);
  margin: 0;
  padding: 14px 18px;
  background: var(--accent-bg);
  border-left: 3px solid var(--ink);
  font-style: italic;
}
.role-impact strong {
  font-style: normal;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  margin-right: 8px;
}

.role--compact .role-body p {
  margin: 0 0 12px;
  font-size: 0.96rem;
  color: var(--text-soft);
}

/* Sub-missions (LevENT-IT 3 missions) */
.mission-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 18px 0 6px;
  letter-spacing: -0.005em;
}
.mission-title em {
  font-size: 0.85em;
  color: var(--ink);
  font-weight: 400;
  margin-left: 4px;
}
.mission-arrow {
  color: var(--ink);
  font-weight: 700;
  margin-right: 6px;
}
.mission-desc {
  font-size: 0.96rem;
  color: var(--text-soft);
  margin: 0 0 10px;
  padding-left: 22px;
}
.mission-impact {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--text);
  margin: 0 0 4px;
  padding: 10px 16px;
  background: var(--accent-bg);
  border-left: 3px solid var(--ink);
  font-style: italic;
  margin-left: 22px;
}
.mission-impact strong {
  font-style: normal;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  margin-right: 8px;
}

/* ---------- Expertise ---------- */
.expertise { background: var(--bg-soft); }
.expertise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.expertise-block {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px;
}
.expertise-block h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.pills {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pills li {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  background: var(--bg-soft);
  border-left: 2px solid var(--ink);
  color: var(--text-soft);
}

.techlist { margin: 0; display: grid; gap: 10px; }
.techlist > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.techlist > div:last-child { border-bottom: 0; }
.techlist dt {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}
.techlist dd { margin: 0; font-size: 0.95rem; color: var(--text-soft); }

.muted-line {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--text-soft);
}
.muted-line strong {
  color: var(--text);
  font-weight: 600;
  display: inline-block;
  min-width: 110px;
}

/* ---------- Credentials (Certifications + Formation) ---------- */
.credentials .bottom-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.credentials .block h2 {
  font-size: 1.6rem;
  font-weight: 500;
  margin: 0 0 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
}

.kv-list { list-style: none; padding: 0; margin: 0; }
.kv-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-size: 1rem;
  align-items: center;
}
.kv-list li:first-child { border-top: 0; }
.kv-key {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.2rem;
  color: var(--ink);
  font-style: italic;
}
.kv-val { color: var(--text); font-weight: 500; }

/* ---------- Contact ---------- */
.contact {
  background: var(--ink);
  color: var(--bg);
  padding: 110px 32px;
}
.contact-inner {
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}
.contact h2 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 500;
  margin: 0 0 22px;
  color: var(--bg);
}
.contact h2 em { color: rgba(255, 255, 255, 0.85); font-style: italic; }
.contact-sub {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.75);
  max-width: 620px;
  margin: 0 auto 60px;
  line-height: 1.5;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 720px;
  margin: 0 auto;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  text-align: left;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.contact-card:not(.contact-card--static):hover {
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}
.contact-card--static { opacity: 0.7; cursor: default; }
.contact-key {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.contact-val {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--bg);
}

/* ---------- Footer ---------- */
.footer {
  padding: 50px 32px 30px;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  text-align: center;
}
.footer-inner { max-width: var(--container); margin: 0 auto; }
.footer-name {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  margin: 0;
  color: var(--text);
}
.footer-role {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 6px 0 18px;
}
.footer-meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding: 50px 24px 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-image { order: -1; aspect-ratio: 4 / 5; max-width: 360px; }

  .section { padding: 70px 24px; }
  .two-col { grid-template-columns: 1fr; gap: 30px; }

  .pillars-grid { grid-template-columns: 1fr 1fr; }

  .role { grid-template-columns: 1fr; gap: 16px; }
  .role-meta { padding-bottom: 8px; border-bottom: 1px dashed var(--line); }

  .expertise-grid { grid-template-columns: 1fr; gap: 18px; }

  .credentials .bottom-cols { grid-template-columns: 1fr; gap: 30px; }

  .contact { padding: 80px 24px; }
  .contact-grid { grid-template-columns: 1fr; }

  .metrics { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 640px) {
  .nav-links a:not(.btn) { display: none; }
  .hero-cta { gap: 12px; }
  .pillars-grid { grid-template-columns: 1fr; }
  .role-impact { padding: 12px 14px; font-size: 0.95rem; }
  .mission-impact { margin-left: 0; }
}