/* Paleta y variables para el Global Header */
:root {
  --gh-border-subtle: rgba(120, 92, 69, 0.12);
  --gh-border-strong: rgba(120, 92, 69, 0.18);
  --gh-border-light: rgba(120, 92, 69, 0.08);
  --gh-warm-900: #453327;
  --gh-warm-800: #5f4738;
  --gh-accent: #a77c52;
  --gh-text-secondary: #7a6557;
  --gh-radius-sm: 12px;
  --gh-radius-md: 20px;
  --gh-shadow-md: 0 10px 30px rgba(88, 65, 48, 0.10);
  --gh-ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

.global-header {
  position: relative; /* Ya no viaja con el scroll, se queda siempre arriba */
  z-index: 900;
  background: rgba(248, 244, 238, 0.95);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--gh-border-subtle);
  transition: all 0.4s var(--gh-ease-smooth);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.global-header.scrolled {
  background: rgba(248, 244, 238, 0.98);
  border-bottom-color: var(--gh-border-strong);
  box-shadow: 0 8px 25px rgba(88, 65, 48, 0.05);
}

.global-header__inner {
  height: 64px; /* Reducido de 80px a 64px para que sea menos invasivo */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Fix for mobile screens */
@media (max-width: 768px) {
  .global-header__inner {
    padding: 0 20px;
  }
}

.global-brand {
  font-size: 27px;
  color: var(--gh-warm-900);
  text-decoration: none;
  font-family: inherit;
  font-weight: 700;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.03em;
}

.global-brand::before {
  content: '';
  width: 9px;
  height: 9px;
  background: var(--gh-accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 6px rgba(167, 124, 82, 0.10);
  flex-shrink: 0;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.global-nav > a, .global-nav .nav-dropdown-toggle {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--gh-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--gh-radius-sm);
  transition: all 0.3s var(--gh-ease-smooth);
  position: relative;
  cursor: pointer;
  background: transparent;
  border: none;
  margin: 0;
  display: inline-block;
}

.global-nav > a.is-active, .global-nav .nav-dropdown-toggle.is-active {
  color: var(--gh-warm-900);
  background: rgba(167, 124, 82, 0.08);
}

.global-nav > a::after, .global-nav .nav-dropdown-toggle::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--gh-accent);
  border-radius: 2px;
  transition: transform 0.3s var(--gh-ease-smooth);
}

.global-nav > a:hover, .global-nav .nav-dropdown-toggle:hover {
  color: var(--gh-warm-900);
  background: rgba(167, 124, 82, 0.08);
}

.global-nav > a:hover::after, .global-nav .nav-dropdown-toggle:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.global-nav__toggle {
  display: none;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--gh-border-subtle);
  color: var(--gh-warm-900);
  padding: 12px;
  border-radius: var(--gh-radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 18px;
  display: none;
}

.global-nav__toggle:hover {
  background: rgba(167, 124, 82, 0.08);
  border-color: var(--gh-border-strong);
}

/* MENÚ DESPLEGABLE / FORMACIÓN */
.nav-item--has-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdown-arrow {
  margin-left: 4px;
  font-size: 11px;
  transition: transform 0.3s ease;
  display: inline-block;
}

.nav-item--has-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(255, 253, 249, 0.98);
  backdrop-filter: blur(12px);
  border: 1px solid var(--gh-border-light);
  border-radius: var(--gh-radius-md);
  padding: 12px 0;
  min-width: 280px;
  box-shadow: var(--gh-shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--gh-ease-smooth);
  display: flex;
  flex-direction: column;
  z-index: 100;
  margin-top: 5px;
}

.nav-item--has-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  padding: 12px 24px;
  display: block;
  white-space: normal;
  line-height: 1.4;
  border-radius: 0;
  width: 100%;
  font-family: inherit;
  color: var(--gh-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.nav-dropdown a:hover {
  background: rgba(167, 124, 82, 0.08);
  color: var(--gh-warm-900);
}

.nav-dropdown a::after {
  display: none !important; 
}

/* BOTÓN DE ALUMNOS EN NAVBAR */
.btn-login {
  padding: 10px 24px !important;
  font-size: 13px !important;
  color: #fffdf9 !important;
  background: linear-gradient(135deg, var(--gh-warm-800) 0%, var(--gh-warm-900) 100%) !important;
  border-radius: 99px !important;
  margin-left: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(88, 65, 48, 0.15);
  text-decoration: none;
  font-family: inherit;
  transition: all 0.3s ease !important;
  border: none !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

.btn-login::after {
  display: none !important;
}

.btn-login:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 18px rgba(88, 65, 48, 0.25) !important;
}

@media (max-width: 900px) {
  .global-nav__toggle {
    display: block;
  }

  .global-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(248, 244, 238, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px;
    gap: 8px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--gh-ease-smooth);
    border-bottom: 1px solid var(--gh-border-subtle);
    box-shadow: 0 18px 40px rgba(88, 65, 48, 0.08);
  }

  .global-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .global-nav > a, .global-nav .nav-item--has-dropdown, .global-nav .nav-dropdown-toggle {
    font-size: 18px;
    padding: 16px;
    width: 100%;
    text-align: center;
    color: var(--gh-warm-900);
  }

  .nav-item--has-dropdown {
    flex-direction: column;
  }
  
  .nav-dropdown {
    position: static;
    transform: none !important;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: none;
    box-shadow: none;
    display: none;
    padding: 0;
    width: 100%;
  }
  
  /* Retiramos el evento por defecto hover de móvil que se traba, pasamos el mando a js con .is-open-mobile */
  .nav-item--has-dropdown:hover .nav-dropdown,
  .nav-item--has-dropdown:focus-within .nav-dropdown {
    display: none;
  }
  
  .nav-item--has-dropdown.is-open-mobile .nav-dropdown {
    display: flex !important;
    transform: none !important;
    flex-direction: column;
    align-items: center;
    margin-top: 10px;
  }

  .nav-dropdown a {
    text-align: center;
    font-size: 16px;
    color: var(--gh-text-secondary);
    padding: 12px;
    width: 100%;
    white-space: normal;
  }

  .btn-login {
    width: 100%;
    margin: 10px 0 0 0;
    padding: 16px 24px !important;
  }
}