/* ============================================================
   APBEFS - Layout : Topbar verte + Navbar grise + Footer
   Fidèle au design original du site apbefs.org
   ============================================================ */

/* ══════════════════════════════════════════
   TOP BAR — fond vert, texte blanc
══════════════════════════════════════════ */
.topbar {
  background: var(--color-topbar-bg);
  color: rgba(255,255,255,.92);
  font-size: .8rem;
  padding: .5rem 0;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .4rem;
}
.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.topbar-left span, .topbar-center span {
  display: flex; align-items: center; gap: .35rem;
}
.topbar-center {
  display: flex; align-items: center;
  gap: .4rem;
  font-size: .8rem;
  color: rgba(255,255,255,.9);
}
.topbar-center i { color: #ef5350; }  /* Icône pin rouge comme sur le site */

.topbar .social-links { display: flex; gap: .5rem; }
.topbar .social-links a {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  color: #fff;
  transition: var(--transition);
}
.topbar .social-links a:hover { background: rgba(255,255,255,.3); }

/* ══════════════════════════════════════════
   HEADER / NAVBAR — fond gris clair
══════════════════════════════════════════ */
#header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-navbar-bg);
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  transition: box-shadow var(--transition);
}
#header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.15); }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem 0;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  flex-shrink: 0;
}
.navbar-brand img {
  height: 72px;
  width: auto;
  object-fit: contain;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
}
.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: .25rem;
  padding: .55rem .85rem;
  font-family: var(--font-heading);
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-primary);          /* Liens verts comme le site */
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: .01em;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-dark);
  background: rgba(46,125,50,.1);
}
.nav-link .arrow { font-size: .6rem; transition: transform var(--transition); }
.nav-item:hover .arrow { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--color-primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .65rem 1rem;
  font-size: .85rem;
  font-family: var(--font-body);
  color: var(--color-text);
  transition: var(--transition);
  border-bottom: 1px solid var(--color-border);
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a:hover { background: #e8f5e9; color: var(--color-primary); padding-left: 1.3rem; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: .45rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  display: block;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ══════════════════════════════════════════
   FOOTER — vert foncé
══════════════════════════════════════════ */
#footer {
  background: #1b5e20;
  color: rgba(255,255,255,.85);
}
.footer-top {
  padding: 3.5rem 0 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-logo img  { height: 70px; margin-bottom: .9rem; }
.footer-desc      { font-size: .88rem; line-height: 1.7; opacity: .75; margin-bottom: 1.1rem; }
.footer-social    { display: flex; gap: .5rem; }
.footer-social a  {
  width: 32px; height: 32px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: #fff;
  transition: var(--transition);
}
.footer-social a:hover { background: rgba(255,255,255,.25); transform: translateY(-2px); }

.footer-col h4 {
  color: #a5d6a7;
  font-size: .85rem;
  margin-bottom: 1rem;
  padding-bottom: .45rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.footer-col ul { display: flex; flex-direction: column; gap: .45rem; }
.footer-col ul li a {
  font-size: .84rem; opacity: .7;
  transition: var(--transition);
  display: flex; align-items: center; gap: .35rem;
}
.footer-col ul li a::before { content: '›'; color: #a5d6a7; font-size: 1rem; }
.footer-col ul li a:hover   { opacity: 1; padding-left: .25rem; }

.footer-contact li {
  display: flex; align-items: flex-start; gap: .5rem;
  font-size: .84rem; opacity: .75; margin-bottom: .6rem;
}
.footer-contact li i { color: #a5d6a7; margin-top: .15rem; min-width: 14px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1rem 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem;
  font-size: .8rem; opacity: .6;
}

/* Back to top */
#back-to-top {
  position: fixed; bottom: 1.75rem; right: 1.75rem;
  width: 40px; height: 40px;
  background: var(--color-primary);
  color: #fff; border: none; border-radius: 50%;
  font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0; pointer-events: none; z-index: 500;
}
#back-to-top.visible  { opacity: 1; pointer-events: auto; }
#back-to-top:hover    { background: var(--color-primary-dark); transform: translateY(-3px); }