*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:    #F5A623;
  --orange2:   #E09416;
  --bse-blue:  #7BA7BC;
  --bse-bg:    #83A3B3;   /* BSE blue background */
  --dark:      #2D2D2D;
  --darker:    #2E2E2E;
  --white:     #FFFFFF;
  --light:     #F5F6F8;
  --grey:      #6B7280;
  --mid:       #374151;
  --border:    #E5E7EB;
  --shadow:    0 2px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
}

html { scroll-behavior: smooth; }
body {
  background: var(--white);
  color: var(--dark);
  font-family: 'Open Sans', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--light); }
::-webkit-scrollbar-thumb { background: var(--bse-blue); border-radius: 3px; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 72px;
  background: var(--darker);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.logo-wrap {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none;
}

.logo-wrap img {
  width: 48px; height: 48px;
  border-radius: 6px;
  object-fit: cover;
}

.logo-text-wrap {
  display: flex; flex-direction: column; line-height: 1.1;
}

.logo-bse {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px; font-weight: 800;
  color: var(--bse-blue);
  letter-spacing: 0.04em;
}

.logo-sub {
  font-size: 9px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--white);
  opacity: 0.7;
}

.nav-links {
  display: flex; align-items: center;
  gap: 8px; list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 4px;
  transition: all 0.2s;
}

.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }

.nav-cta {
  background: var(--orange) !important;
  color: var(--darker) !important;
  border-radius: 4px !important;
  padding: 9px 18px !important;
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--orange2) !important; }

/* ── HERO ── */
#accueil {
  min-height: 100vh;
  background: var(--darker);
  display: flex; flex-direction: column; justify-content: flex-start;
  padding: 56px 10vw 80px;
  position: relative; overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(123,167,188,0.08), transparent),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(245,166,35,0.04), transparent);
  pointer-events: none;
}

/* Circuit lines */
.circuit-lines {
  position: absolute; inset: 0;
  pointer-events: none; opacity: 0.06;
}

/* ── Bandeau secteurs : mise en avant automatique ── */
/* Un « voyant » balaie les secteurs à tour de rôle, comme les indicateurs
   d'une carte électronique. Grille statique, aucun débordement à gérer. */
.sector-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  width: 100%;
  margin-top: 0;
  margin-bottom: 28px;
}

.sector-cell {
  background: transparent;
  color: var(--orange);
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  padding: 15px 14px;
  border-radius: 999px;
  border: 1px solid rgba(245,166,35,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.7s ease, color 0.7s ease, border-color 0.7s ease,
              transform 0.7s ease, box-shadow 0.7s ease;
}

.sector-cell.active {
  background: var(--orange);
  color: var(--dark);
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(245,166,35,0.3);
}

@media (max-width: 768px) {
  .sector-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .sector-cell {
    font-size: 11.5px;
    padding: 11px 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sector-cell { transition: none; }
}

.hero-eyebrow {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}

.hero-badge {
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.3);
  color: var(--orange);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
}

h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 780px;
  margin-bottom: 28px;
}

h1 .accent { color: var(--bse-blue); }
h1 .accent-o { color: var(--orange); }

.hero-sub {
  font-size: 17px; font-weight: 300;
  color: rgba(255,255,255,0.6);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 48px;
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--orange);
  color: var(--darker);
  border: none;
  padding: 14px 32px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 4px; text-decoration: none;
  cursor: pointer; transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--orange2); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,166,35,0.3); }

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 14px 32px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 4px; text-decoration: none;
  cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--bse-blue); color: var(--bse-blue); }

.hero-kpis {
  display: flex; gap: 0; flex-wrap: wrap;
  margin-top: 80px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 40px;
  justify-content: center;
}

.kpi-item {
  flex: 1; min-width: 140px;
  padding-right: 40px;
  border-right: 1px solid rgba(255,255,255,0.08);
  margin-right: 40px;
}
.kpi-item:last-child { border-right: none; margin-right: 0; }

.kpi-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 38px; font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.kpi-num sup { color: var(--orange); font-size: 22px; }
.kpi-label { font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-top: 6px; }

/* ── SECTIONS ── */
section { padding: 88px 8vw; }
/* section alternation handled per-section */

.section-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  display: block; width: 24px; height: 2px;
  background: var(--orange);
}

h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 16px;
  max-width: 640px;
}

.section-lead {
  font-size: 16px; color: var(--grey);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 56px;
}

/* ── HERO layout ── */
#accueil .hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
}
#accueil .hero-text { flex: 1; }
#accueil .hero-visual {
  flex: 0 0 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 960px) {
  #accueil .hero-content { flex-direction: column; }
  #accueil .hero-visual { flex: none; width: 100%; max-width: 420px; }
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.exp-card-full {
  grid-column: 1 / -1;
}

.exp-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
  background: var(--white);
  transition: all 0.25s;
  position: relative; overflow: hidden;
}
.exp-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--bse-blue));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.exp-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.exp-card:hover::after { transform: scaleX(1); }

.exp-icon {
  width: 36px; height: 36px;
  background: rgba(245,166,35,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
}

.exp-header {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 14px;
}

.exp-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 17px; font-weight: 700;
  color: var(--dark);
  margin-bottom: 0;
  line-height: 1.2;
}

.exp-body { font-size: 14px; color: var(--grey); line-height: 1.7; }

.exp-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 18px;
}
.exp-tag {
  flex: 1;
  text-align: center;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bse-blue);
  background: rgba(123,167,188,0.1);
  border: 1px solid rgba(123,167,188,0.25);
  padding: 6px 4px; border-radius: 3px;
}

.expertise-pills {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 36px;
}

.expertise-pill {
  flex: 1;
  background: transparent;
  color: var(--white);
  border: 2px solid var(--orange);
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 14px 10px;
  border-radius: 4px;
  text-align: center;
}

.expertise-pill-line {
  flex: 0 0 32px;
  height: 2px;
  background: var(--orange);
}

@media (max-width: 640px) {
  .expertise-pills { flex-wrap: wrap; gap: 0; }
  .expertise-pill { flex: 1 1 calc(50% - 6px); font-size: 13px; }
  .expertise-pill-line { display: none; }
}

/* ── TECHNOLOGIES ── */
#technologies { background: var(--darker); }
#technologies h2 { color: var(--white); max-width: 700px; }
#technologies .section-lead { color: rgba(255,255,255,0.5); }

.techno-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.techno-cat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 28px 24px;
  transition: border-color 0.25s;
}
.techno-cat:hover { border-color: rgba(245,166,35,0.3); }

.techno-cat-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.techno-logos {
  display: flex; flex-wrap: wrap; gap: 8px;
}

.techno-chip {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.2s;
  cursor: default;
}
.techno-chip:hover {
  background: rgba(123,167,188,0.15);
  border-color: var(--bse-blue);
  color: var(--bse-blue);
}

/* ── ÉQUIPEMENTS ── */
#equipements { background: var(--bse-bg); }
#equipements h2 { color: var(--white); }
#equipements .section-lead { color: rgba(255,255,255,0.8); }

.equip-grid-4 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 0;
}

/* Each card: photo on top, content below */
.equip-card4 {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s, transform 0.25s;
}
.equip-card4:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* Photo area */
.equip-card4-photo {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: var(--light);
}
/* Placeholder when no real photo — styled illustration */
.equip-card4-illus {
  width: 100%;
  height: 220px;
  background: var(--darker);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Orange top bar */
.equip-card4-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--bse-blue));
  flex-shrink: 0;
}

/* Text content */
.equip-card4-body {
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.equip-card4-tag {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 8px;
}

.equip-card4-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 17px; font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.3;
}

.equip-card4-desc {
  font-size: 13.5px;
  color: var(--grey);
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}

/* Specs chips */
.equip-card4-specs {
  display: flex; flex-wrap: wrap; gap: 7px;
}
.equip-spec-chip {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em;
  background: var(--light);
  border: 1px solid var(--border);
  color: var(--mid);
  padding: 4px 10px;
  border-radius: 4px;
}

/* software logos row */
.equip-sw-logos {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 4px;
}
.equip-sw-logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 700;
  padding: 6px 13px;
  border-radius: 5px;
  border: 1.5px solid var(--border);
  color: var(--dark);
  background: var(--white);
  transition: all 0.2s;
  cursor: default;
}
.equip-sw-logo:hover {
  border-color: var(--bse-blue);
  color: var(--bse-blue);
  background: rgba(123,167,188,0.06);
}

/* ── RÉALISATIONS ── */
#realisations { background: var(--white); }

/* Carousel wrapper */
.proj-carousel-wrap {
  position: relative;
  overflow: hidden;
}

.proj-carousel-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  gap: 0;
}

/* Each "slide" = 3 cards side by side */
.proj-slide {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  min-width: 100%;
  padding: 4px 2px 8px;
}

.proj-card {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
  position: relative; overflow: hidden;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
}
.proj-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: rgba(245,166,35,0.4); }
.proj-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--bse-blue));
}

.proj-sector {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 8px;
}
.proj-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 17px; font-weight: 700;
  color: var(--dark); margin-bottom: 10px;
}
.proj-desc { font-size: 14px; color: var(--grey); line-height: 1.7; flex: 1; }

.proj-visual {
  height: 120px;
  background: linear-gradient(135deg, rgba(123,167,188,0.10), rgba(245,166,35,0.06));
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  margin-top: 20px;
  flex-shrink: 0;
}

/* Carousel controls */
.proj-carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 36px;
}

.proj-carousel-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--dark);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.proj-carousel-btn:hover {
  border-color: var(--orange);
  background: rgba(245,166,35,0.08);
  color: var(--orange);
}
.proj-carousel-btn:disabled {
  opacity: 0.3;
  cursor: default;
}
.proj-carousel-btn:disabled:hover {
  border-color: var(--border);
  background: var(--white);
  color: var(--dark);
}

.proj-carousel-dots {
  display: flex; gap: 8px; align-items: center;
}
.proj-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.25s;
  border: none; padding: 0;
}
.proj-dot.active {
  background: var(--orange);
  width: 24px;
  border-radius: 4px;
}

.proj-carousel-counter {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 600;
  color: var(--grey);
  letter-spacing: 0.08em;
  min-width: 52px;
  text-align: center;
}

@media (max-width: 960px) {
  .proj-slide { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .proj-slide { padding: 4px 0 8px; }
}

/* ── LOCALISATION ── */
#localisation { background: var(--darker); }
#localisation h2 { color: var(--white); }
#localisation .section-lead { color: rgba(255,255,255,0.5); }

.loc-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: start;
}

.loc-infos {
  display: flex; flex-direction: column; gap: 20px;
}

.loc-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 8px;
  padding: 20px 22px;
  display: flex; gap: 14px; align-items: flex-start;
  transition: border-color 0.2s;
}
.loc-card:hover { border-color: rgba(245,166,35,0.3); }
.loc-card-icon { color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.loc-card-body {}
.loc-card-label {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-bottom: 4px;
}
.loc-card-val { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.5; }
.loc-card-val strong { color: var(--white); font-weight: 600; }

#map {
  height: 420px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.1);
  overflow: hidden;
}

/* ── CONTACT ── */
#contact { background: var(--bse-bg); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mid); margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--dark);
  font-family: 'Open Sans', sans-serif;
  font-size: 14px;
  padding: 11px 15px;
  border-radius: 5px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--bse-blue);
  box-shadow: 0 0 0 3px rgba(123,167,188,0.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.submit-btn {
  width: 100%;
  background: var(--orange);
  color: var(--darker);
  border: none;
  padding: 15px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}
.submit-btn:hover { background: var(--orange2); box-shadow: 0 6px 20px rgba(245,166,35,0.3); }

.contact-info-side .section-tag { margin-bottom: 12px; }
#contact h2 { color: var(--white); }
#contact .section-lead { color: rgba(255,255,255,0.75); }
#contact .contact-detail svg { color: var(--white); }
#contact .contact-detail strong { color: var(--white); }
#contact .contact-detail p { color: rgba(255,255,255,0.8); }

.contact-detail {
  display: flex; gap: 14px; align-items: flex-start;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255,255,255,0.25);
}
.contact-detail:last-of-type { border-bottom: none; }
.contact-detail svg { color: var(--orange); flex-shrink: 0; margin-top: 3px; }
.contact-detail strong { display: block; font-size: 16px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--mid); margin-bottom: 8px; }
.contact-detail p { font-size: 14px; color: var(--grey); line-height: 1.55; }

.contact-inline {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.contact-inline p { margin: 0; }

.contact-hint {
  font-size: 15px !important;
  font-style: italic;
  font-weight: 700 !important;
  color: var(--orange) !important;
  margin-bottom: 8px !important;
  opacity: 1;
}

.form-success { display: none; text-align: center; padding: 48px 20px; }
.form-success .check-icon {
  width: 60px; height: 60px;
  background: rgba(245,166,35,0.1);
  border: 2px solid var(--orange);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; color: var(--orange);
}
.form-success h3 { font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.form-success p { color: var(--grey); font-size: 14px; }

/* ── IMAGES RÉFÉRENTIEL TECHNIQUE ── */
.ref-header-layout {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
}

.ref-header-text {
  flex: 1;
}
.ref-header-text .section-tag { margin-bottom: 16px; }
.ref-header-text h2 { margin-bottom: 16px; }
.ref-header-text .section-lead { margin-bottom: 0; }

.ref-images-stack {
  flex: 0 0 220px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ref-image-wrap {
  position: relative;
  height: 110px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ref-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  display: block;
  transition: transform 0.35s ease;
}

.ref-image-wrap:hover .ref-image {
  transform: scale(1.05);
}

.ref-image-placeholder {
  background: rgba(255,255,255,0.05);
}
.ref-image-placeholder::after {
  content: '+ Image';
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  border: 1px dashed rgba(255,255,255,0.15);
  padding: 8px 16px;
  border-radius: 4px;
}
.ref-image-placeholder .ref-image { display: none; }

.ref-image-caption {
  position: absolute;
  inset: 0;
  background: rgba(45, 45, 45, 0.92);
  color: var(--white);
  font-size: 12px;
  font-family: 'Open Sans', sans-serif;
  line-height: 1.55;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  border-radius: 8px;
}

.ref-image-wrap:hover .ref-image-caption {
  opacity: 1;
  transform: translateY(0);
}

.ref-image-wrap:hover .ref-image {
  transform: scale(1.05);
  filter: blur(1px);
}

@media (max-width: 768px) {
  .ref-header-layout { flex-direction: column; }
  .ref-images-stack { flex-direction: row; flex: none; width: 100%; }
  .ref-image-wrap { height: 100px; flex: 1; }
}

/* ── CERTIFICATIONS CAROUSEL (inside technologies) ── */
.certif-carousel-wrap {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.certif-carousel-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 28px;
}
.certif-carousel-label::before {
  content: '';
  display: block; width: 24px; height: 2px;
  background: var(--orange);
}
.certif-track-outer {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}
.certif-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: certifScroll 32s linear infinite;
}
.certif-track:hover { animation-play-state: paused; }

@keyframes certifScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.certif-item {
  flex-shrink: 0;
  transition: transform 0.25s, opacity 0.25s;
  cursor: default;
  opacity: 0.8;
}
.certif-item:hover {
  transform: translateY(-5px) scale(1.05);
  opacity: 1;
}

/* ── FOOTER ── */
footer {
  background: var(--darker);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 28px 8vw;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
}
footer p { font-size: 12px; color: rgba(255,255,255,0.35); }
footer p span { color: var(--bse-blue); }
.footer-links { display: flex; gap: 20px; list-style: none; }
.footer-links a { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.3); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--orange); }

/* ── DIVIDER ── */
.h-line { width: 100%; height: 1px; background: var(--border); }

/* ══════════════════════════════════════
   RESPONSIVE — MOBILE FIRST
══════════════════════════════════════ */

/* ── HAMBURGER BUTTON ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: background 0.2s;
  z-index: 300;
}
.hamburger:hover { background: rgba(255,255,255,0.08); }
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.28s cubic-bezier(.4,0,.2,1);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE DRAWER ── */
.nav-drawer {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--darker);
  z-index: 150;
  padding: 32px 28px;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid rgba(255,255,255,0.08);
  overflow-y: auto;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 16px;
  border-radius: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.2s;
}
.nav-drawer a:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-drawer a.cta {
  background: var(--orange);
  color: var(--darker);
  border: none;
  margin-top: 16px;
  text-align: center;
  font-weight: 700;
}
.nav-drawer a.cta:hover { background: var(--orange2); }

/* ── 1280px — large desktop ── */
@media (max-width: 1280px) {
  section { padding: 80px 6vw; }
}

/* ── 1100px — medium desktop ── */
@media (max-width: 1100px) {
  .techno-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── 960px — tablet landscape ── */
@media (max-width: 960px) {
  /* NAV */
  nav { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  /* HERO */
  #accueil { padding: 100px 6vw 64px; }
  h1 { font-size: clamp(32px, 6vw, 56px); }
  .hero-sub { font-size: 15px; }
  .hero-kpis { gap: 0; margin-top: 56px; }
  .kpi-item { min-width: 130px; padding-right: 24px; margin-right: 24px; }
  .kpi-num { font-size: 30px; }

  /* SECTIONS */
  section { padding: 72px 6vw; }
  h2 { font-size: clamp(24px, 4vw, 38px); }

  /* EXPERTISE */
  .expertise-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* PROJECTS */
  .proj-slide { grid-template-columns: 1fr 1fr; }

  /* LOCALISATION */
  .loc-layout { grid-template-columns: 1fr; gap: 32px; }
  #map { height: 340px; }

  /* CONTACT */
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }

  /* ÉQUIPEMENTS */
  .equip-grid-4 { grid-template-columns: 1fr; }

  /* TECHNO */
  .techno-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── 640px — tablet portrait / large mobile ── */
@media (max-width: 640px) {
  nav { height: 64px; }
  .nav-drawer { top: 64px; }
  .logo-wrap img { width: 40px; height: 40px; }
  .logo-bse { font-size: 17px; }

  /* HERO */
  #accueil { padding: 90px 5vw 56px; min-height: auto; }
  h1 { font-size: clamp(28px, 8vw, 44px); }
  .hero-sub { font-size: 14px; }
  .hero-btns { flex-direction: column; gap: 12px; }
  .btn-primary, .btn-ghost { width: 100%; text-align: center; justify-content: center; padding: 14px 20px; }
  .hero-kpis {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    padding-top: 32px;
  }
  .kpi-item {
    padding-right: 0; margin-right: 0;
    border-right: none;
    padding: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 8px;
  }
  .kpi-num { font-size: 28px; }
  .kpi-label { font-size: 10px; }

  /* SECTIONS */
  section { padding: 56px 5vw; }
  .section-tag { font-size: 14px; }
  h2 { font-size: clamp(22px, 6vw, 32px); }
  .section-lead { font-size: 14px; margin-bottom: 36px; }

  /* EXPERTISE */
  .expertise-grid { grid-template-columns: 1fr; gap: 14px; }
  .exp-card { padding: 28px 22px; }

  /* TECHNO */
  .techno-grid { grid-template-columns: 1fr; gap: 16px; }
  .techno-cat { padding: 22px 18px; }

  /* ÉQUIPEMENTS */
  .equip-card4-illus, .equip-card4-photo { height: 180px; }
  .equip-card4-body { padding: 18px 18px 22px; }

  /* PROJETS */
  .proj-slide { gap: 12px; }
  .proj-card { padding: 24px 20px; }
  .proj-title { font-size: 16px; }

  /* LOCALISATION */
  #map { height: 280px; }
  .loc-card { padding: 16px 18px; }
  .loc-infos { gap: 14px; }

  /* CONTACT */
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-detail { padding-bottom: 16px; margin-bottom: 16px; }
  .contact-detail p { font-size: 13px; }

  /* FOOTER */
  footer { flex-direction: column; align-items: flex-start; gap: 12px; padding: 24px 5vw; }
  .footer-links { flex-wrap: wrap; gap: 14px; }
}

/* ── 400px — small phones ── */
@media (max-width: 400px) {
  nav { padding: 0 16px; }
  #accueil { padding: 84px 4vw 48px; }
  h1 { font-size: 26px; }
  .hero-kpis { grid-template-columns: 1fr 1fr; gap: 12px; }
  .kpi-num { font-size: 24px; }
  section { padding: 48px 4vw; }
  .expertise-grid { gap: 12px; }
  .exp-card { padding: 22px 18px; }
  .techno-chip { font-size: 11px; padding: 5px 10px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}


/* ══════════════════════════════════════
   LEGAL MODALS (second style block)
══════════════════════════════════════ */


/* ── LEGAL MODALS ── */
.legal-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  overflow-y: auto;
  padding: 40px 20px;
  animation: fadeInModal 0.2s ease;
}
.legal-modal.open { display: flex; align-items: flex-start; justify-content: center; }

@keyframes fadeInModal {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.legal-modal-box {
  background: var(--white);
  border-radius: 12px;
  width: 100%;
  max-width: 780px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
  animation: slideUpModal 0.25s ease;
}

@keyframes slideUpModal {
  from { transform: translateY(24px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.legal-modal-close {
  position: absolute;
  top: 20px; right: 24px;
  background: var(--light);
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 16px;
  color: var(--dark);
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s, transform 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.legal-modal-close:hover { background: var(--border); transform: scale(1.1); }

.legal-modal-header {
  background: var(--darker);
  padding: 44px 48px 36px;
}

.legal-modal-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.legal-modal-tag::before {
  content: '';
  display: block; width: 20px; height: 2px;
  background: var(--orange);
}

.legal-modal-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.2;
  max-width: 100%;
  margin-bottom: 0;
}

.legal-modal-body {
  padding: 40px 48px 48px;
  overflow-y: auto;
}

.legal-section {
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.legal-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.legal-section h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px; font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.legal-section p {
  font-size: 14px;
  color: var(--grey);
  line-height: 1.75;
  margin-bottom: 10px;
}
.legal-section p:last-child { margin-bottom: 0; }
.legal-section p strong { color: var(--dark); font-weight: 600; }

.legal-section ul {
  list-style: none;
  margin: 10px 0;
  padding: 0;
}
.legal-section ul li {
  font-size: 14px;
  color: var(--grey);
  line-height: 1.7;
  padding: 4px 0 4px 20px;
  position: relative;
}
.legal-section ul li::before {
  content: '';
  position: absolute; left: 0; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

@media (max-width: 640px) {
  .legal-modal { padding: 20px 12px; }
  .legal-modal-header { padding: 32px 24px 28px; }
  .legal-modal-body { padding: 28px 24px 36px; }
}