/* ============================================================
   SILITECH — style.css
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1a1a2e;
  background: #ffffff;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── CSS Variables ── */
:root {
  --navy:      #0D2445;
  --blue:      #1B3A6B;
  --mid-blue:  #2E5FAA;
  --light-blue:#D6E4F0;
  --gold:      #F0A500;
  --gold-light:#FFF3D0;
  --white:     #ffffff;
  --off-white: #F8F9FC;
  --gray-50:   #F5F7FA;
  --gray-100:  #EEF1F6;
  --gray-200:  #DEE3EA;
  --gray-400:  #9CA3AF;
  --gray-600:  #6B7280;
  --gray-800:  #374151;
  --text:      #1a1a2e;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(13,36,69,.08);
  --shadow-lg: 0 12px 40px rgba(13,36,69,.12);

  --transition: .22s cubic-bezier(.4,0,.2,1);
  --max-width: 1120px;
}

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
}
h1 { font-size: clamp(36px, 5vw, 56px); }
h2 { font-size: clamp(26px, 3.5vw, 40px); }
h3 { font-size: clamp(18px, 2.5vw, 22px); }
h4 { font-size: 17px; }
p  { color: var(--gray-800); line-height: 1.8; }

/* ── Layout ── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.section    { padding: 96px 0; }
.section-sm { padding: 64px 0; }

/* ── Section labels ── */
.label {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid-blue);
  margin-bottom: 16px;
}
.label--gold { color: var(--gold); }
.label--white { color: rgba(255,255,255,.6); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--navy);
  border-color: var(--navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-gold {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: #d99400;
  border-color: #d99400;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(240,165,0,.3);
}
.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Navbar ── */
.navbar {
  background: #ffffff;
  
  box-shadow: 0 1px 0 var(--gray-200);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: #ffffff;
  
  box-shadow: 0 1px 0 var(--gray-200);
}
.navbar-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.3px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo--white .logo-text { color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 1px;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a:hover::after { transform: scaleX(1); }


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

/* ── Sélecteur de langue (desktop) ── */
.lang-switcher {
  position: relative;
  display: inline-block;
}
.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  line-height: 1;
}
.lang-current:hover {
  background: var(--gray-200);
  border-color: var(--gray-400);
}
.lang-current-flag {
  font-size: 16px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}
.lang-current-flag img {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  display: block;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
}
.lang-current-code {
  letter-spacing: .5px;
}
.lang-caret {
  transition: transform var(--transition);
  color: var(--gray-600);
}
.lang-switcher.open .lang-current {
  background: var(--white);
  border-color: var(--mid-blue);
  box-shadow: 0 0 0 3px rgba(46,95,170,.1);
}
.lang-switcher.open .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 6px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 1100;
  list-style: none;
  margin: 0;
}
.lang-switcher.open .lang-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.lang-menu li { list-style: none; }
.lang-menu .lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.lang-menu .lang-option:hover {
  background: var(--gray-100);
  color: var(--navy);
}
.lang-menu .lang-option.active {
  background: var(--light-blue);
  color: var(--navy);
  font-weight: 600;
}
.lang-menu .lang-option .flag,
.lang-switcher-mobile .lang-option .flag {
  font-size: 18px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}
.lang-menu .lang-option .flag img,
.lang-switcher-mobile .lang-option .flag img {
  width: 22px;
  height: 16px;
  object-fit: cover;
  border-radius: 2px;
  display: block;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
}

/* ── Sélecteur de langue (mobile, dans l'overlay) ── */
.lang-switcher-mobile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  width: min(260px, 80vw);
}
.lang-switcher-mobile .lang-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  color: var(--white);
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.lang-switcher-mobile .lang-option:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
}
.lang-switcher-mobile .lang-option.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Mobile nav overlay ── */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,36,69,.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
}
.nav-overlay.open { display: flex; }
.nav-overlay a {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  transition: color var(--transition);
}
.nav-overlay a:hover { color: var(--gold); }
.nav-overlay-close {
  position: absolute;
  top: 24px;
  right: 32px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-size: 28px;
  line-height: 1;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: visible;
  padding: 140px 32px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46,95,170,.35) 0%, transparent 70%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,165,0,.12) 0%, transparent 70%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,165,0,.12);
  border: 1px solid rgba(240,165,0,.3);
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero-badge > span:first-child {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}
.hero h1 { color: var(--white); margin-bottom: 20px; line-height: 1.4; }
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero p {
  color: rgba(255,255,255,.65);
  font-size: 17px;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 36px;
  backdrop-filter: blur(8px);
}
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.hero-stat {
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}
.hero-stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat-num span { color: var(--gold); }
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,.5); line-height: 1.4; }
.hero-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-pill {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
}
.hero-card-label {
  font-size: 12px;
  color: rgba(255,255,255,.4);
  margin-bottom: 12px;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: 'Outfit', sans-serif;
  animation: bounce 2s infinite;
  z-index: 1;
}
.hero-scroll svg { width: 20px; height: 20px; }
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}

/* ── Services ── */
.services { background: var(--off-white); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { max-width: 520px; margin: 0 auto; color: var(--gray-600); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  border-color: var(--light-blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card--featured {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.service-card--featured::before { background: var(--gold); }
.service-card--featured p { color: rgba(255,255,255,.7); }
.service-card--featured h3 { color: var(--white); }
.service-icon {
  width: 52px;
  height: 52px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.service-card--featured .service-icon { background: rgba(255,255,255,.12); }
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { margin-bottom: 12px; font-size: 20px; }
.service-card p { font-size: 14px; line-height: 1.8; margin-bottom: 24px; }
.service-link {
  font-size: 13px;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.service-card--featured .service-link { color: var(--gold); }
.service-link:hover { gap: 10px; }
.service-badge {
  display: inline-block;
  background: rgba(240,165,0,.18);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(240,165,0,.3);
}

/* ── About ── */
.about { background: var(--white); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--blue);
  position: relative;
}
.about-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.about-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--mid-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-big-text {
  font-family: 'Outfit', sans-serif;
  font-size: 120px;
  font-weight: 700;
  color: rgba(255,255,255,.06);
  line-height: 1;
  text-align: center;
  user-select: none;
}
.about-floating-card {
  position: absolute;
  bottom: -20px;
  right: -24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  min-width: 200px;
}
.about-floating-card .num {
  font-family: 'Outfit', sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
}
.about-floating-card .num span { color: var(--gold); }
.about-floating-card .desc { font-size: 13px; color: var(--gray-600); margin-top: 4px; }
.about-floating-card2 {
  position: absolute;
  top: 24px;
  left: -24px;
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
}
.about-floating-card2 .label2 {
  font-size: 11px;
  color: rgba(255,255,255,.5);
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.about-floating-card2 .langs {
  display: flex;
  gap: 6px;
}
.lang-flag {
  width: 28px;
  height: 20px;
  border-radius: 3px;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
}
.lang-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-content {}
.about-content h2 { margin-bottom: 16px; }
.about-content > p { margin-bottom: 28px; font-size: 15px; }
.checklist { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; }
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.check-icon {
  width: 24px;
  height: 24px;
  background: var(--gold-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.check-icon svg { width: 12px; height: 12px; }
.checklist-item strong { display: block; font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 2px; }
.checklist-item span { font-size: 13px; color: var(--gray-600); }

/* ── Process ── */
.process { background: var(--navy); padding: 96px 0; }
.process .section-header h2 { color: var(--white); }
.process .section-header p { color: rgba(255,255,255,.55); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 4px);
  right: calc(12.5% + 4px);
  height: 1px;
  background: rgba(255,255,255,.1);
}
.process-step { text-align: center; padding: 0 20px; position: relative; }
.step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 700;
}
.step-num--blue { background: var(--blue); color: var(--white); border: 2px solid rgba(255,255,255,.1); }
.step-num--gold { background: var(--gold); color: var(--navy); }
.process-step h3 { color: var(--white); font-size: 16px; margin-bottom: 10px; }
.process-step p { color: rgba(255,255,255,.5); font-size: 13px; line-height: 1.6; }

/* ── Engineers ── */
.engineers { background: var(--off-white); }
.engineers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.engineer-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.engineer-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.engineer-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--white);
}
.engineer-card h4 { font-size: 16px; margin-bottom: 4px; }
.engineer-card .role { font-size: 13px; color: var(--mid-blue); margin-bottom: 14px; font-weight: 500; }
.engineer-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tag {
  background: var(--gray-100);
  color: var(--gray-800);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: 'Outfit', sans-serif;
}
.engineer-exp {
  font-size: 12px;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 6px;
}
.engineer-exp svg { width: 14px; height: 14px; }

/* ── Contact ── */
.contact { background: var(--white); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { margin-bottom: 36px; color: var(--gray-600); font-size: 15px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item-icon svg { width: 20px; height: 20px; }
.contact-item-label { font-size: 11px; color: var(--gray-400); font-family: 'Outfit', sans-serif; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 3px; }
.contact-item-value { font-size: 15px; font-weight: 500; color: var(--navy); }
.contact-item-value a { color: var(--navy); transition: color var(--transition); }
.contact-item-value a:hover { color: var(--mid-blue); }

/* Contact form */
.contact-form {
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 40px;
}
.contact-form h3 {
  font-size: 22px;
  margin-bottom: 28px;
  color: var(--navy);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  letter-spacing: .5px;
  color: var(--gray-600);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--navy);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--mid-blue);
  box-shadow: 0 0 0 3px rgba(46,95,170,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input.error,
.form-group select.error,
.form-group textarea.error { border-color: #E24B4A; }
.form-error {
  font-size: 12px;
  color: #E24B4A;
  margin-top: 5px;
  display: none;
}
.form-error.show { display: block; }
.form-submit { width: 100%; padding: 14px; font-size: 15px; }
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}
.form-success.show { display: block; }
.form-success .check-big {
  width: 64px;
  height: 64px;
  background: #EAF3DE;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.form-success h4 { font-size: 20px; margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--gray-600); }

/* ── Map ── */
.map-section { height: 400px; background: var(--gray-100); position: relative; overflow: hidden; }
.map-section iframe { width: 100%; height: 100%; border: none; }
.map-overlay {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.map-overlay svg { color: var(--blue); width: 20px; height: 20px; flex-shrink: 0; }
.map-overlay strong { font-size: 14px; font-weight: 600; }
.map-overlay span { font-size: 13px; color: var(--gray-600); }

/* ── Footer ── */
footer {
  background: var(--navy);
  padding: 64px 32px 32px;
  color: rgba(255,255,255,.6);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 32px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 280px;
}
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.social-link:hover { background: var(--mid-blue); border-color: var(--mid-blue); }
.social-link svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.35); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 13px; color: rgba(255,255,255,.35); transition: color var(--transition); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.7); }

/* ── Scroll animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: .1s; }
.fade-up-delay-2 { transition-delay: .2s; }
.fade-up-delay-3 { transition-delay: .3s; }
.fade-up-delay-4 { transition-delay: .4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-card { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 36px; }
  .process-steps::before { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }
  .nav-links, .nav-cta, .lang-switcher { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .engineers-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero { padding: 120px 20px 60px; }
}

@media (max-width: 480px) {
  .engineers-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero h1 { font-size: 32px; }
}

/* ── Logo image (vrai logo PNG) ── */
.logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}
.logo-img--footer {
  height: 40px;
  filter: brightness(0) invert(1);
}