/* ==========================================================================
   GROUPE BRACE — Design tokens
   Palette : charbon (nuit malgache) + terre de latérite (rouge de Madagascar)
   + bleu cyanotype (plan d'architecte) + laiton mat (héritage MIS&P)
   Typo : Fraunces (display, caractère "bâti") / Inter (texte) / IBM Plex Mono (côtes, repères)
   ========================================================================== */

:root {
  --ink: #17140f;
  --ink-2: #201b14;
  --ink-3: #2a2318;
  --paper: #ece4d3;
  --paper-2: #e2d8c2;
  --laterite: #a8472b;
  --laterite-light: #c4623f;
  --blueprint: #33566d;
  --blueprint-light: #4a7691;
  --brass: #b08d4f;
  --text-on-dark: #ece4d3;
  --text-on-dark-soft: #b9ae99;
  --text-on-light: #201b14;
  --text-on-light-soft: #5a5142;
  --line-on-dark: rgba(236, 228, 211, 0.16);
  --line-on-dark-strong: rgba(236, 228, 211, 0.32);
  --line-on-light: rgba(32, 27, 20, 0.14);
  --line-on-light-strong: rgba(32, 27, 20, 0.28);

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --container: 1240px;
  --section-pad: clamp(72px, 10vw, 128px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 138px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-on-light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* ---- Eyebrow / mono labels (drafting sheet references) ---- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--laterite);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}
.section-dark .eyebrow { color: var(--brass); }

.section-head .eyebrow {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.04em;
  gap: 14px;
}
.section-head .eyebrow::before { width: 34px; height: 2px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-weight: 500; }
h2 { font-size: clamp(32px, 4.2vw, 52px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }

p { margin: 0 0 1em; }
.lede { font-size: clamp(17px, 1.6vw, 20px); color: var(--text-on-light-soft); max-width: 62ch; }
.section-dark .lede { color: var(--text-on-dark-soft); }

/* ---- Corner registration marks (blueprint signature motif) ---- */
.blueprint-frame {
  position: relative;
  border: 1px solid var(--line-on-light);
}
.section-dark .blueprint-frame { border-color: var(--line-on-dark); }
.blueprint-frame::before,
.blueprint-frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--laterite);
  border-style: solid;
  border-width: 0;
  pointer-events: none;
}
.blueprint-frame::before {
  top: -1px; left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
}
.blueprint-frame::after {
  bottom: -1px; right: -1px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(23, 20, 15, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-on-dark);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 128px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--paper);
}
.brand-mark {
  background: var(--paper);
  border-radius: 6px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  height: 92px;
}
.brand-mark img {
  height: 100%;
  width: auto;
  object-fit: contain;
  display: block;
}
.site-footer .brand-mark {
  height: 40px;
  padding: 6px 10px;
}
.brand-name {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-on-dark-soft);
  line-height: 1.5;
  text-transform: uppercase;
}
.brand-name strong {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.01em;
  color: var(--paper);
  text-transform: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.main-nav a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-soft);
  padding: 10px 14px;
  position: relative;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--paper); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 1px;
  background: var(--laterite);
}

/* ---- Sous-menu déroulant (Groupe) ---- */
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.submenu-toggle {
  background: transparent;
  border: none;
  color: var(--text-on-dark-soft);
  padding: 10px 8px 10px 2px;
  display: flex;
  align-items: center;
  transition: color 0.2s ease, transform 0.2s ease;
}
.submenu-toggle svg { width: 12px; height: 12px; transition: transform 0.2s ease; }
.nav-item:hover .submenu-toggle,
.nav-item.is-open .submenu-toggle { color: var(--paper); }
.nav-item.is-open .submenu-toggle svg { transform: rotate(180deg); }

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--ink);
  border: 1px solid var(--line-on-dark-strong);
  padding: 8px 0;
  display: none;
  flex-direction: column;
  z-index: 50;
  box-shadow: 0 12px 28px rgba(0,0,0,0.35);
}
.nav-item.is-open .submenu { display: flex; }
.submenu a {
  padding: 10px 18px;
  font-size: 12px;
  color: var(--text-on-dark-soft);
  white-space: nowrap;
}
.submenu a:hover { color: var(--paper); background: var(--ink-3); }
.submenu a.active { color: var(--brass); }
.submenu .submenu-featured {
  color: var(--brass);
  font-weight: 600;
  border-bottom: 1px solid var(--line-on-dark);
  margin-bottom: 4px;
  padding-bottom: 12px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.lang-switch {
  display: flex;
  border: 1px solid var(--line-on-dark-strong);
  border-radius: 100px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.lang-switch button {
  background: transparent;
  border: none;
  color: var(--text-on-dark-soft);
  padding: 6px 12px;
  transition: background 0.2s ease, color 0.2s ease;
}
.lang-switch button.active {
  background: var(--laterite);
  color: var(--paper);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line-on-dark-strong);
  color: var(--paper);
  width: 40px; height: 40px;
  border-radius: 6px;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 18px; height: 18px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--laterite);
  color: var(--paper);
}
.btn-primary:hover { background: var(--laterite-light); }
.btn-ghost-dark {
  border-color: var(--line-on-dark-strong);
  color: var(--paper);
}
.btn-ghost-dark:hover { border-color: var(--brass); color: var(--brass); }
.btn-ghost-light {
  border-color: var(--line-on-light-strong);
  color: var(--text-on-light);
}
.btn-ghost-light:hover { border-color: var(--laterite); color: var(--laterite); }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  background: var(--ink);
  overflow: hidden;
  padding-top: 128px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(23,20,15,0.15) 0%, rgba(23,20,15,0.55) 60%, rgba(23,20,15,0.97) 100%), url("../images/hero-pattern.svg");
  background-size: cover;
  background-position: center center;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--line-on-dark) 0, var(--line-on-dark) 1px, transparent 1px, transparent 80px),
    repeating-linear-gradient(0deg, var(--line-on-dark) 0, var(--line-on-dark) 1px, transparent 1px, transparent 80px);
  opacity: 0.35;
  mix-blend-mode: overlay;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(48px, 7vw, 90px);
  color: var(--paper);
}
.hero-logo-lockup {
  background: var(--paper);
  display: inline-flex;
  padding: 14px 22px;
  border-radius: 6px;
  margin-bottom: 28px;
}
.hero-logo-lockup img {
  height: clamp(36px, 4.5vw, 56px);
  width: auto;
  display: block;
}
.hero-title {
  font-size: clamp(40px, 6.4vw, 84px);
  max-width: 16ch;
  margin-bottom: 0.3em;
}
.hero-title em {
  font-style: italic;
  color: var(--brass);
}
.hero-sub {
  max-width: 52ch;
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-on-dark-soft);
  margin-bottom: 2em;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: clamp(40px, 6vw, 64px); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-on-dark);
}
.hero-stats > div {
  padding: 20px clamp(10px, 2vw, 28px) 0;
  border-left: 1px solid var(--line-on-dark);
}
.hero-stats > div:first-child { border-left: none; padding-left: 0; }
.hero-stats .num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 30px);
  color: var(--paper);
  display: block;
}
.hero-stats .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-on-dark-soft);
  text-transform: uppercase;
}

/* ---- Sections generic ---- */
section { padding: var(--section-pad) 0; position: relative; }
.section-dark { background: var(--ink); color: var(--text-on-dark); }
.section-mid { background: var(--ink-2); color: var(--text-on-dark); }
.section-light { background: var(--paper); color: var(--text-on-light); }
.section-alt { background: var(--paper-2); color: var(--text-on-light); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: clamp(40px, 5vw, 64px);
  flex-wrap: wrap;
}
.section-head .lede { margin: 0; }

/* dimension divider (drafting motif) */
.dim-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-on-light-soft);
  letter-spacing: 0.06em;
  margin: 8px 0 40px;
}
.section-dark .dim-divider, .section-mid .dim-divider { color: var(--text-on-dark-soft); }
.dim-divider::before, .dim-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-on-light);
  background-image: repeating-linear-gradient(90deg, currentColor 0, currentColor 1px, transparent 1px, transparent 6px);
  opacity: 0.5;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.history-list { border-top: 1px solid var(--line-on-light); }
.history-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-on-light);
}
.history-item .yr {
  font-family: var(--font-mono);
  color: var(--laterite);
  font-size: 14px;
  padding-top: 2px;
}
.history-item h4 { margin-bottom: 4px; font-size: 17px; }
.history-item p { margin: 0; color: var(--text-on-light-soft); font-size: 14.5px; }

.forces-card {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(28px, 4vw, 40px);
}
.forces-card ul { display: grid; gap: 20px; }
.forces-card li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  font-size: 14.5px;
  color: var(--text-on-dark-soft);
}
.forces-card li .n {
  font-family: var(--font-mono);
  color: var(--brass);
  font-size: 13px;
}

/* ---- Group entities ---- */
.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line-on-dark);
  border: 1px solid var(--line-on-dark);
}
.group-card {
  background: var(--ink);
  padding: 32px 28px;
  position: relative;
  transition: background 0.25s ease;
}
.group-card:hover { background: var(--ink-3); }
.logo-chip {
  background: var(--paper);
  border-radius: 4px;
  height: 56px;
  width: 128px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  margin-bottom: 20px;
}
.logo-chip img { max-height: 100%; max-width: 100%; object-fit: contain; }
.logo-chip.is-mono {
  background: transparent;
  border: 1px dashed var(--line-on-dark-strong);
  color: var(--brass);
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.02em;
}
.group-card .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}
.group-card .yr {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-on-dark-soft);
  float: right;
}
.group-card h3 { margin-bottom: 10px; color: var(--paper); }
.group-card p { color: var(--text-on-dark-soft); font-size: 14.5px; margin-bottom: 14px; }
.more {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--laterite);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}
.group-card .more { color: var(--laterite-light); }
.group-cta {
  margin-top: 44px;
  display: flex;
  justify-content: center;
}

/* Partner strip (Excalibur, Stimco...) */
.partners-strip {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line-on-dark);
}
.partners-strip .eyebrow { justify-content: center; }
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.partners-row .logo-chip { margin-bottom: 0; }

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.service-card {
  padding: 30px 26px;
  background: var(--paper);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.service-card .icon {
  display: block;
  width: 44px; height: 44px;
  margin-bottom: 22px;
  color: var(--laterite);
  line-height: 0;
}
.service-card .icon svg { display: block; width: 44px; height: 44px; }
.service-card .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--laterite);
  margin-bottom: 20px;
  display: block;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--text-on-light-soft); font-size: 14.5px; margin-bottom: 0; }
.service-card:hover { transform: translateY(-4px); }

.moyens-strip {
  margin-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.moyens-strip img { border: 1px solid var(--line-on-light-strong); }
.moyens-list { display: grid; gap: 16px; }
.moyens-list .row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-on-light);
  padding-bottom: 12px;
  font-size: 14.5px;
}
.moyens-list .row span:first-child { color: var(--text-on-light-soft); font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---- Missions ---- */
.missions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-on-dark);
  border-top: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
}
.mission-item {
  background: var(--ink);
  padding: 32px;
  display: flex;
  gap: 20px;
}
.mission-item .mk {
  font-family: var(--font-mono);
  color: var(--blueprint-light);
  font-size: 20px;
  line-height: 1;
}
.mission-item p { color: var(--text-on-dark-soft); font-size: 15px; margin: 0; }
.mission-item strong { color: var(--paper); display: block; margin-bottom: 6px; font-family: var(--font-display); font-weight: 600; font-size: 17px; }

.mission-statement {
  border-left: 2px solid var(--laterite);
  padding-left: 28px;
  margin: 48px 0;
}
.mission-statement p {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-style: italic;
  line-height: 1.4;
  color: var(--text-on-light);
  margin: 0;
}

.download-card {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  background: var(--paper-2);
  border: 1px solid var(--line-on-light-strong);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.download-card:hover { border-color: var(--laterite); transform: translateY(-2px); }
.download-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--laterite);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
}
.download-icon svg { width: 20px; height: 20px; }
.download-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--text-on-light);
  margin-bottom: 2px;
}
.download-sub {
  display: block;
  font-size: 13px;
  color: var(--text-on-light-soft);
}

/* ---- Portfolio ---- */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--line-on-dark-strong);
  color: var(--text-on-dark-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: 100px;
  transition: all 0.2s ease;
}
.filter-btn.active, .filter-btn:hover {
  border-color: var(--laterite);
  color: var(--ink);
  background: var(--laterite);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.portfolio-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--ink-2);
}
.portfolio-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-card:hover img { transform: scale(1.06); }
.portfolio-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(23,20,15,0.92) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
}
.portfolio-card .tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 8px;
}
.portfolio-card h4 {
  color: var(--paper);
  font-size: 16px;
  margin: 0;
  line-height: 1.3;
}
.portfolio-card[data-cat] { display: block; }
.portfolio-card.is-hidden { display: none; }

/* ---- Team ---- */
.team-lead {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}
.person-card {
  background: var(--ink);
  padding: 30px 26px;
}
.person-card .role {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--laterite-light);
  margin-bottom: 14px;
  display: block;
}
.person-card h3 { color: var(--paper); margin-bottom: 4px; }
.person-card .contact-line { color: var(--text-on-dark-soft); font-size: 13.5px; font-family: var(--font-mono); }

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border-top: 1px solid var(--line-on-dark);
}
.expertise-grid > div {
  padding: 22px 18px;
  border-bottom: 1px solid var(--line-on-dark);
  border-left: 1px solid var(--line-on-dark);
}
.expertise-grid > div:nth-child(odd) { border-left: none; }
.expertise-grid .num {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--brass);
  display: block;
  margin-bottom: 6px;
}
.expertise-grid .lbl {
  font-size: 13px;
  color: var(--text-on-dark-soft);
}

/* ---- Contact ---- */
.contact-invite { margin-bottom: 40px; max-width: 68ch; }

.location-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}
.location-strip figure { margin: 0; }
.location-strip img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border: 1px solid var(--line-on-light-strong);
}
.location-strip figcaption {
  font-size: 12.5px;
  color: var(--text-on-light-soft);
  margin-top: 10px;
  font-family: var(--font-mono);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}
.contact-list { display: grid; gap: 0; border-top: 1px solid var(--line-on-light); }
.contact-list .row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-on-light);
}
.contact-list .row span:first-child {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-on-light-soft);
  padding-top: 2px;
}
.contact-list .row a, .contact-list .row div { font-size: 15.5px; }
.contact-form { display: grid; gap: 16px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-on-light-strong);
  padding: 12px 4px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-on-light);
}
.contact-form label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-light-soft);
  display: block;
  margin-bottom: 6px;
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--laterite);
}
.form-note { font-size: 12.5px; color: var(--text-on-light-soft); margin-top: -6px; }
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}
.form-status {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 0;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-success { color: #4d7a5a; }
.form-status.is-error { color: var(--laterite); }

/* ---- Page Groupe : fiches détaillées ---- */
.page-hero {
  background: var(--ink);
  padding: calc(128px + 64px) 0 64px;
  border-bottom: 1px solid var(--line-on-dark);
}
.page-hero .container { color: var(--text-on-dark); }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-on-dark-soft);
  margin-bottom: 20px;
  display: flex;
  gap: 8px;
}
.breadcrumb a { color: var(--brass); }

.entity-nav {
  position: sticky;
  top: 128px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-on-light);
  z-index: 40;
  overflow-x: auto;
}
.entity-nav .container {
  display: flex;
  gap: 4px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.entity-nav a {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 100px;
  color: var(--text-on-light-soft);
  border: 1px solid transparent;
}
.entity-nav a:hover { border-color: var(--line-on-light-strong); color: var(--text-on-light); }
.entity-nav a.active { border-color: var(--laterite); color: var(--laterite); background: rgba(168,71,43,0.08); }

.entity-card {
  padding: 56px 0;
  border-bottom: 1px solid var(--line-on-light);
  scroll-margin-top: 130px;
}
.entity-head {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.entity-head .logo-chip {
  background: var(--ink);
  margin-bottom: 0;
}
.entity-head .logo-chip.on-light { background: var(--ink); }
.entity-titles .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--laterite);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}
.entity-titles h2 { margin-bottom: 0; font-size: clamp(24px, 3vw, 34px); }

.entity-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
}
.entity-body .lede { margin-bottom: 20px; }
.entity-objectives { margin: 0; padding-left: 0; }
.entity-objectives li {
  list-style: none;
  padding-left: 20px;
  position: relative;
  margin-bottom: 10px;
  font-size: 14.5px;
  color: var(--text-on-light-soft);
}
.entity-objectives li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--laterite);
}
.entity-facts {
  border-top: 1px solid var(--line-on-light);
}
.entity-facts .row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-on-light);
  font-size: 14px;
}
.entity-facts .row span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-on-light-soft);
}

@media (max-width: 860px) {
  .entity-body { grid-template-columns: 1fr; }
}

/* ---- Page MIS&P : références par catégorie ---- */
.ref-category { margin-bottom: 36px; }
.ref-category h4 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--laterite);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-on-dark);
}
.ref-category ul { display: grid; gap: 10px; }
.ref-category li {
  list-style: none;
  padding-left: 20px;
  position: relative;
  font-size: 14.5px;
  color: var(--text-on-dark-soft);
  line-height: 1.5;
}
.ref-category li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brass);
}
.ref-category li strong { color: var(--paper); font-weight: 600; }

/* ---- Projets phares (fiches bancables) ---- */
.flagship-grid { display: grid; gap: 32px; }
.flagship-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  background: var(--paper);
  border: 1px solid var(--line-on-light-strong);
}
.flagship-card img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }
.flagship-body { padding: 32px clamp(20px, 3vw, 36px); }
.flagship-body .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--laterite);
  display: block;
  margin-bottom: 10px;
}
.flagship-body h3 { font-size: 22px; margin-bottom: 12px; }
.flagship-body p { color: var(--text-on-light-soft); font-size: 14.5px; }
.flagship-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  margin: 20px 0;
  padding: 16px 0;
  border-top: 1px solid var(--line-on-light);
  border-bottom: 1px solid var(--line-on-light);
}
.flagship-facts div { font-size: 13.5px; }
.flagship-facts span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-on-light-soft);
  margin-bottom: 3px;
}
.flagship-budget {
  font-family: var(--font-mono);
  font-size: 13px;
}
.flagship-budget .row {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--line-on-light);
  color: var(--text-on-light-soft);
}
.flagship-budget .row.total {
  color: var(--laterite);
  font-weight: 600;
  border-bottom: none;
  padding-top: 10px;
}
.flagship-objectives { margin: 16px 0 0; }
.flagship-objectives li {
  list-style: none;
  padding-left: 18px;
  position: relative;
  font-size: 13.5px;
  color: var(--text-on-light-soft);
  margin-bottom: 6px;
}
.flagship-objectives li::before { content: "•"; position: absolute; left: 0; color: var(--laterite); }

@media (max-width: 860px) {
  .flagship-card { grid-template-columns: 1fr; }
  .flagship-card img { min-height: 200px; }
  .flagship-facts { grid-template-columns: 1fr 1fr; }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--ink);
  color: var(--text-on-dark-soft);
  padding: 48px 0 28px;
  font-size: 13.5px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  border-bottom: 1px solid var(--line-on-dark);
  padding-bottom: 32px;
  margin-bottom: 24px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.back-to-top {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-soft);
  border: 1px solid var(--line-on-dark-strong);
  padding: 8px 14px;
  border-radius: 100px;
}
.back-to-top:hover { color: var(--brass); border-color: var(--brass); }

/* ---- Reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---- Focus visibility ---- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--laterite);
  outline-offset: 2px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .missions-grid { grid-template-columns: 1fr; }
  .moyens-strip { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .hero-stats > div:nth-child(3) { border-left: none; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 128px; left: 0; right: 0;
    background: var(--ink);
    flex-direction: column;
    padding: 8px 20px 20px;
    border-bottom: 1px solid var(--line-on-dark);
  }
  .site-header.nav-open .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line-on-dark); width: 100%; }
  .site-header.nav-open .main-nav .nav-item { flex-wrap: wrap; width: 100%; }
  .site-header.nav-open .main-nav .nav-item > a { border-bottom: none; flex: 1; }
  .site-header.nav-open .main-nav .nav-item .submenu { flex-basis: 100%; width: 100%; border-bottom: 1px solid var(--line-on-dark); }
  .submenu-toggle { padding: 14px 0; margin-left: auto; }
  .submenu {
    position: static;
    display: none;
    min-width: 0;
    border: none;
    background: var(--ink-3);
    padding: 0 0 8px 16px;
    box-shadow: none;
  }
  .nav-item.is-open .submenu { display: flex; }
  .nav-item .submenu a { padding: 10px 0; border-bottom: none !important; }
}

@media (max-width: 620px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid > div:nth-child(odd) { border-left: none; }
  .history-item { grid-template-columns: 60px 1fr; }

  .site-header .container { height: 92px; }
  .brand-mark { height: 60px; padding: 7px 12px; }
  .brand-name strong { font-size: 18px; }
  .hero { padding-top: 92px; }
  html { scroll-padding-top: 100px; }
  .entity-nav { top: 92px; }
  .site-header.nav-open .main-nav { top: 92px; }
}