/* ============================================================
   bbw Hochschule – Header & Footer (übernommen aus /eng/)
   Corporate-Design-Look der Hauptseite für die India-Landingpage.
   Die Regeln sind bewusst auf Header/Footer/Nav gescopt, damit sie
   das Bootstrap-Layout des Seitenkörpers (lp_*) NICHT beeinflussen.
   ============================================================ */

/* ---------- CD Variablen (aus homepage.css) ---------- */
:root {
  --color-primary:      #1A5F2E;
  --color-primary-dark: #134521;
  --color-primary-light:#247a3c;
  --color-hellgruen:    #8BB63A;
  --color-gelb:         #FCE400;
  --color-rot:          #FF6961;
  --color-secondary:    #3A8893;
  --color-accent:       #3A8893;
  --color-accent-dark:  #2d6a74;
  --color-gold:         #8BB63A;
  --color-dark:         #1B484E;
  --color-dark-2:       #123238;
  --color-gray-900:     #1B484E;
  --color-gray-700:     #374151;
  --color-gray-500:     #6B7280;
  --color-gray-300:     #D1D5DB;
  --color-gray-100:     #EEF3F3;
  --color-gray-50:      #F5F9F9;
  --color-white:        #FFFFFF;
  --font-serif: 'Open Sans', Arial, sans-serif;
  --font-claim: 'Open Sans', Arial, sans-serif;
  --radius-sm:  2px;
  --radius-md:  3px;
  --radius-lg:  4px;
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.15), 0 8px 24px rgba(0,0,0,.1);
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --container-max: 1280px;
  --header-h: 92px;
}

/* ---------- Gescopte Resets (nur Header/Footer/Nav) ---------- */
.announcement-bar, .announcement-bar *,
.header, .header *,
.mobile-nav, .mobile-nav *,
.footer, .footer * { box-sizing: border-box; }

.header ul, .footer ul, .mobile-nav ul,
.mega-dropdown ul, .dropdown ul { list-style: none; margin: 0; padding: 0; }

.header a, .footer a, .mobile-nav a,
.announcement-bar a, .mega-dropdown a, .dropdown a { text-decoration: none; }

.header img, .footer img { display: block; max-width: 100%; }
.header svg, .footer svg { display: block; }
.header button, .footer button, .announcement-bar button {
  cursor: pointer; border: none; background: none; font-family: inherit;
}

/* ---------- Container (gescopt) ---------- */
.announcement-bar > .container,
.footer > .container,
.mega-dropdown .container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.footer > .container { padding-top: 72px; padding-bottom: 40px; }

/* ---------- Buttons (gescopt, damit Bootstrap/lp_btn unberührt bleiben) ---------- */
.header .btn, .footer .btn, .mobile-nav .btn, .mega-dropdown .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
}
.header .btn-sm, .footer .btn-sm, .mega-dropdown .btn-sm { padding: 9px 20px; font-size: 13px; }
.header .btn-primary, .footer .btn-primary, .mobile-nav .btn-primary, .mega-dropdown .btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}
.header .btn-primary:hover, .mobile-nav .btn-primary:hover, .mega-dropdown .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(26,95,46,.35);
}

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */
.announcement-bar {
  background: var(--color-accent);
  color: var(--color-white);
  text-align: center;
  padding: 10px 24px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font-serif);
  border-top: 4px solid var(--color-hellgruen);
}
.announcement-bar a {
  color: rgba(255,255,255,.9);
  font-weight: 700;
  text-decoration: underline;
  margin-left: 4px;
}
.announcement-bar a:hover { color: #fff; }
.announcement-bar .announce-close {
  margin-left: 12px;
  color: rgba(255,255,255,.85);
  font-size: 16px;
  line-height: 1;
  padding: 0 4px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
  height: var(--header-h);
}
.header.scrolled {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo */
.header .logo { flex-shrink: 0; display: flex; align-items: center; }
.logo-img { height: 68px; width: auto; display: block; }

/* Nav */
.main-nav { flex: 1; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-primary); background: var(--color-gray-50); }
.nav-item.active > .nav-link { color: var(--color-primary); font-weight: 600; }
.icon-chevron {
  width: 14px; height: 14px;
  stroke: currentColor; stroke-width: 2; fill: none;
  transition: transform var(--transition);
}
.nav-item:hover .icon-chevron { transform: rotate(180deg); }

/* Mega Dropdown */
.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 780px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
  padding: 32px 0;
  padding-top: 22px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition);
}
.mega-dropdown::before {
  content: '';
  position: absolute;
  top: -12px; left: 0; right: 0; height: 12px;
}
.nav-item:hover .mega-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.mega-dropdown-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}
.mega-dropdown-inner.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.mega-dropdown.wide { width: 920px; }
.mega-dropdown:has(> .mega-dropdown-inner > .mega-col:nth-child(2):last-child) { width: 540px; }
.mega-dropdown:has(> .mega-dropdown-inner > .mega-col:nth-child(2):last-child) .mega-dropdown-inner { grid-template-columns: 1fr 1fr; }
.mega-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-gray-100);
}
.mega-dropdown ul li a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-gray-700);
  transition: color var(--transition);
}
.mega-dropdown ul li a:hover { color: var(--color-primary); }
.mega-cta { margin-top: 20px; }

/* Regular Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
  padding: 8px;
  padding-top: 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition);
  transform: translateY(6px);
}
.dropdown::before {
  content: '';
  position: absolute;
  top: -12px; left: 0; right: 0; height: 12px;
}
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateY(0);
}
.dropdown ul li a {
  display: block;
  padding: 9px 16px;
  font-size: 14px;
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.dropdown ul li a:hover { color: var(--color-primary); background: var(--color-gray-50); }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--color-gray-300);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-gray-700);
  background: transparent;
  transition: all var(--transition);
  line-height: 1;
}
.lang-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-gray-50);
}
.lang-toggle i { font-size: 12px; opacity: .7; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: var(--color-white);
  z-index: 999;
  padding: 32px 24px;
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav ul li a {
  display: block;
  padding: 16px 0;
  font-size: 22px;
  font-weight: 600;
  color: var(--color-gray-900);
  border-bottom: 1px solid var(--color-gray-100);
}
.mobile-nav ul li a.btn { border-bottom: none; color: var(--color-white); font-size: 16px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark);
  position: relative;
  font-family: var(--font-serif);
}
.footer-topbar {
  height: 14px;
  background: var(--color-accent);
  border-bottom: 4px solid var(--color-hellgruen);
}
.footer-bottombar {
  height: 7px;
  background: var(--color-hellgruen);
  border-top: 3px solid var(--color-accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 280px repeat(4, 1fr);
  gap: 48px;
}
.footer-brand { min-width: 0; }
.footer-logo {
  display: inline-flex;
  margin-bottom: 20px;
  background: var(--color-white);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}
.footer-logo .logo-img { height: 60px; filter: none; opacity: 1; }
.footer-col { min-width: 0; }
.footer-col .footer-heading {
  font-family: var(--font-claim);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-hellgruen);
  margin: 0 0 16px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-col .footer-links li { margin-bottom: 8px; font-size: 13.5px; line-height: 1.55; }
.footer-col .footer-links li a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
}
.footer-col .footer-links li a:hover { color: var(--color-white); }
.footer-col .footer-contact li { margin-bottom: 10px; }
.footer-social-icons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-social-icons a {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 15px;
  text-decoration: none;
  transition: all var(--transition);
}
.footer-social-icons a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: span 3; }
}
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .header-actions > .btn-primary { display: none; }
  .hamburger { display: flex; }
  .mega-dropdown.wide { width: 700px; }
}
@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .announcement-bar { font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}