/* ═══════════════════════════════════════════
   Leblanc Solutions TI — Feuille de style globale
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

:root {
  --blue:    #1a6cf5;
  --blue2:   #0ea5e9;
  --teal:    #06b6d4;
  --light:   #f0f6ff;
  --white:   #ffffff;
  --gray:    #64748b;
  --gray2:   #94a3b8;
  --dark:    #0f1f3d;
  --border:  #dde9f8;
  --shadow:  0 4px 24px rgba(26,108,245,.10);
  --shadow2: 0 12px 40px rgba(26,108,245,.18);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--light);
  color: var(--dark);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }

/* ── NAVBAR ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw; height: 68px;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(26,108,245,.07);
}
.logo {
  font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.2rem;
  color: var(--dark); text-decoration: none; letter-spacing: -.01em;
}
.logo em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
nav ul { list-style: none; display: flex; gap: .3rem; }
nav ul li a {
  text-decoration: none; color: var(--gray);
  font-size: .875rem; font-weight: 600;
  padding: 8px 16px; border-radius: 8px; transition: all .2s;
}
nav ul li a:hover   { background: var(--light); color: var(--blue); }
nav ul li a.active  { background: linear-gradient(135deg,#e8f0fe,#dbeafe); color: var(--blue); }

/* ── FOOTER ── */
footer {
  background: var(--dark); padding: 2rem 5vw;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-logo {
  font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.1rem; color: #fff;
}
.footer-logo span {
  background: linear-gradient(135deg, var(--blue2), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-copy { font-size: .8rem; color: #94a3b8; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block; padding: 14px 32px;
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: #fff; border: none; border-radius: 12px;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: .95rem;
  cursor: pointer; text-decoration: none;
  box-shadow: 0 8px 24px rgba(26,108,245,.35); transition: all .3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(26,108,245,.45); }

.btn-secondary {
  display: inline-block; padding: 14px 32px;
  background: var(--white); color: var(--blue);
  border: 2px solid var(--border); border-radius: 12px;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: .95rem;
  cursor: pointer; text-decoration: none; transition: all .3s;
}
.btn-secondary:hover { border-color: var(--blue2); background: var(--light); transform: translateY(-2px); }

/* ── SECTION COMMONS ── */
.section-eyebrow {
  display: inline-block;
  background: linear-gradient(135deg,#dbeafe,#e0f2fe);
  color: var(--blue); font-size: .78rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 16px; border-radius: 100px; margin-bottom: 1rem;
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem,3.5vw,2.8rem); font-weight: 800;
  color: var(--dark); letter-spacing: -.02em;
}
.section-title span {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.section-sub { margin-top: .8rem; color: var(--gray); font-size: 1rem; }

/* ── FADE IN ANIMATION ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade { animation: fadeUp .9s ease both; }
.fade-1 { animation: fadeUp .9s .15s ease both; }
.fade-2 { animation: fadeUp .9s .25s ease both; }
.fade-3 { animation: fadeUp .9s .35s ease both; }
.fade-4 { animation: fadeUp .9s .45s ease both; }

/* ── HAMBURGER BUTTON ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none; border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background .2s;
  z-index: 300;
}
.nav-toggle:hover { background: var(--light); }
.nav-toggle span {
  display: block;
  width: 100%; height: 2.5px;
  background: var(--dark);
  border-radius: 4px;
  transition: transform .35s ease, opacity .25s ease, width .3s ease;
  transform-origin: center;
}

/* Animated X when open */
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ── MOBILE DROPDOWN MENU ── */
.nav-mobile {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(26,108,245,.10);
  z-index: 199;
  flex-direction: column;
  padding: .6rem 1rem 1rem;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-mobile.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.nav-mobile a {
  text-decoration: none;
  color: var(--gray);
  font-size: .95rem;
  font-weight: 600;
  padding: 13px 16px;
  border-radius: 10px;
  transition: background .2s, color .2s;
  display: block;
}
.nav-mobile a:hover  { background: var(--light); color: var(--blue); }
.nav-mobile a.active { background: linear-gradient(135deg,#e8f0fe,#dbeafe); color: var(--blue); }

/* staggered slide-in for each link */
.nav-mobile a { opacity: 0; transform: translateX(-10px); transition: opacity .25s ease, transform .25s ease, background .2s, color .2s; }
.nav-mobile.open a:nth-child(1) { opacity:1; transform:none; transition-delay:.05s; }
.nav-mobile.open a:nth-child(2) { opacity:1; transform:none; transition-delay:.10s; }
.nav-mobile.open a:nth-child(3) { opacity:1; transform:none; transition-delay:.15s; }
.nav-mobile.open a:nth-child(4) { opacity:1; transform:none; transition-delay:.20s; }
.nav-mobile.open a:nth-child(5) { opacity:1; transform:none; transition-delay:.25s; }

/* ── RESPONSIVE ── */
@media(max-width:768px){
  nav ul       { display: none; }
  .nav-toggle  { display: flex; }
  .nav-mobile  { display: flex; }
}

/* ── MOBILE CONTENT ADJUSTMENTS ── */
@media(max-width:768px){
  /* services */
  .services-grid { grid-template-columns: 1fr !important; }

  /* contact layout */
  .contact-layout { grid-template-columns: 1fr !important; }

  /* apropos */
  .apropos-wrap { grid-template-columns: 1fr !important; gap: 2.5rem !important; }
  .apropos-visual-grid { display: none !important; }

  /* hero */
  .hero-content { padding: 2rem !important; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
}