:root{
  --green:#198754;
  --green-dark:#157347;
  --green-deep:#0f3d2b;
  --green-soft:rgba(255,255,255,.12);
  --border-soft:rgba(255,255,255,.18);

  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --bg:#f8f9fa;
  --card:#ffffff;

  --shadow-sm:0 8px 20px rgba(15, 23, 42, .06);
  --shadow-md:0 14px 30px rgba(15, 23, 42, .10);
  --shadow-lg:0 20px 40px rgba(15, 23, 42, .14);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color:var(--bg);
  color:var(--text);
}

img{
  max-width:100%;
}

a{
  transition:all .2s ease;
}

.site-main{
  min-height:calc(100vh - 180px);
}

/* =========================
   HEADER
========================= */

header{
  position:sticky;
  top:0;
  z-index:1000;
  color:#fff;
  background:
    linear-gradient(135deg, rgba(25,135,84,.96), rgba(15,61,43,.96));
  backdrop-filter:blur(10px);
  box-shadow:0 10px 26px rgba(0,0,0,.10);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.header-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:1rem 1.25rem .85rem;
  gap:1rem;
  flex-wrap:wrap;
}

.brand-link{
  display:flex;
  align-items:center;
  text-decoration:none;
  color:#fff;
  min-width:0;
}

.brand-link:hover{
  color:#fff;
  text-decoration:none;
  opacity:.98;
}

.brand-logo{
  height:58px;
  width:auto;
  margin-right:.9rem;
  display:block;
  object-fit:contain;
  filter:drop-shadow(0 6px 18px rgba(0,0,0,.12));
}

.brand-text{
  min-width:0;
}

.brand-text h1{
  margin:0;
  font-size:1.18rem;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
}

.brand-text .slogan{
  font-size:.9rem;
  opacity:.92;
  line-height:1.25;
  margin-top:.18rem;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:.75rem;
  flex-wrap:wrap;
  margin-left:auto;
}

.lang-form{
  margin:0;
}

.lang-switch{
  display:flex;
  align-items:center;
  gap:.35rem;
  padding:.35rem;
  border-radius:999px;
  background:var(--green-soft);
  border:1px solid var(--border-soft);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
}

.lang-label{
  margin:0;
  color:#fff;
  font-size:.85rem;
  font-weight:700;
  white-space:nowrap;
  padding:0 .35rem 0 .45rem;
}

.lang-btn{
  border:none;
  background:transparent;
  color:#fff;
  font-weight:800;
  font-size:.9rem;
  border-radius:999px;
  padding:.52rem .92rem;
  cursor:pointer;
  line-height:1;
  transition:all .18s ease;
  display:inline-flex;
  align-items:center;
  gap:.4rem;
}

.lang-btn:hover{
  background:rgba(255,255,255,.10);
}

.lang-btn.active{
  background:#fff;
  color:#111827;
  box-shadow:0 4px 14px rgba(0,0,0,.10);
}

/* =========================
   NAVBAR
========================= */

.navbar-custom{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:1.2rem;
  flex-wrap:wrap;
  padding:0 1.2rem .95rem;
}

.navbar-custom a{
  color:#fff;
  text-decoration:none;
  font-weight:700;
  font-size:.96rem;
  padding:.55rem .8rem;
  border-radius:999px;
  line-height:1;
}

.navbar-custom a:hover{
  text-decoration:none;
  background:rgba(255,255,255,.10);
  color:#fff;
}

.navbar-custom a.text-white{
  color:#fff !important;
}

/* =========================
   TOASTS
========================= */

.toast{
  border-radius:1rem;
  box-shadow:0 14px 34px rgba(0,0,0,.16);
  overflow:hidden;
  animation:slideIn .35s ease;
}

@keyframes slideIn{
  from{
    transform:translateX(100%);
    opacity:0;
  }
  to{
    transform:translateX(0);
    opacity:1;
  }
}

.toast-body{
  font-weight:500;
  display:flex;
  align-items:center;
  gap:.6rem;
}

.toast-progress{
  height:3px;
  background:rgba(255,255,255,.5);
  animation:progress 5s linear forwards;
}

@keyframes progress{
  from{ width:100%; }
  to{ width:0%; }
}

/* =========================
   FOOTER
========================= */

footer{
  background:linear-gradient(180deg, #f7f7f7 0%, #f1f3f5 100%);
  text-align:center;
  padding:1.1rem 1rem;
  margin-top:2rem;
  font-size:.92rem;
  color:var(--muted);
  border-top:1px solid var(--border);
}

/* =========================
   UTILITAIRES GLOBAUX
========================= */

.btn{
  transition:all .2s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.card,
.form-control,
.form-select,
textarea{
  transition:all .2s ease;
}

.form-control:focus,
.form-select:focus,
textarea:focus{
  box-shadow:0 0 0 .2rem rgba(25,135,84,.14);
  border-color:#198754;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 991.98px){
  .navbar-custom{
    gap:.75rem;
  }

  .navbar-custom a{
    font-size:.94rem;
    padding:.5rem .75rem;
  }
}

@media (max-width: 768px){
  .header-top{
    align-items:flex-start;
    padding:.95rem 1rem .75rem;
  }

  .brand-logo{
    height:48px;
  }

  .brand-text h1{
    font-size:1.02rem;
  }

  .brand-text .slogan{
    font-size:.82rem;
  }

  .header-actions{
    width:100%;
    justify-content:flex-start;
    margin-left:0;
  }

  .navbar-custom{
    justify-content:flex-start;
    gap:.65rem;
    padding:0 1rem .95rem;
  }

  .navbar-custom a{
    font-size:.92rem;
  }
}