/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,.98);
  border-bottom-color: var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: -1px;
  flex-shrink: 0;
}
.logo-k {
  color: var(--red-600);
  font-size: 1.7rem;
}

/* Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  color: var(--gray-700);
  font-weight: 500;
  font-size: .9rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--red-600); background: var(--red-50); }

.nav-cta {
  background: var(--red-600);
  color: var(--white);
  font-weight: 600;
  font-size: .9rem;
  padding: 10px 22px;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: var(--shadow-red);
  white-space: nowrap;
  margin-left: 8px;
}
.nav-cta:hover {
  background: var(--red-500);
  transform: translateY(-1px);
}

/* Dropdown */
.nav-dropdown { position: relative; }

/* Puente invisible para mantener el hover activo entre el toggle y el menú
   (de lo contrario el dropdown desaparece al bajar el mouse por el gap de 12px). */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 16px;
  background: transparent;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}
.dropdown-toggle i {
  font-size: .7rem;
  transition: transform .3s ease;
}
.nav-dropdown:hover .dropdown-toggle i { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 12px;
  min-width: 280px;
  box-shadow: 0 16px 48px rgba(0,0,0,.12);
  border: 1px solid var(--gray-100);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(10px);
  transition: all .25s ease;
  pointer-events: none;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

/* Flecha del dropdown */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 8px;
  background: var(--white);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  transition: var(--transition);
}
.dropdown-item:hover { background: var(--red-50); }
.dropdown-item:hover i { color: var(--red-600); }

.dropdown-item i {
  font-size: 1.1rem;
  color: var(--gray-500);
  margin-top: 2px;
  flex-shrink: 0;
  transition: color .3s;
}
.dropdown-item span {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dropdown-item strong {
  font-size: .9rem;
  color: var(--dark);
  font-weight: 600;
}
.dropdown-item span span {
  font-size: .8rem;
  color: var(--gray-500);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ═══════════════════════════════════════════
   RESPONSIVE NAVBAR
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav-hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: calc(100vh - var(--nav-h));
    min-height: calc(100vh - var(--nav-h));
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 24px 24px 60px;
    gap: 6px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform .35s ease;
    z-index: 9999;
    box-sizing: border-box;
  }
  .nav-menu.open { transform: translateX(0); }

  .nav-link {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 16px 20px;
    width: 100%;
    border-radius: 12px;
    color: var(--dark);
    display: block;
    border-bottom: 1px solid var(--gray-100);
  }
  .nav-link:hover { background: var(--red-50); color: var(--red-600); border-bottom-color: var(--red-100); }

  .nav-cta {
    font-size: 1.05rem;
    padding: 18px 20px;
    width: 100%;
    text-align: center;
    border-radius: 12px;
    margin-top: 10px;
    display: block;
  }

  /* Dropdown móvil */
  .nav-dropdown { width: 100%; }

  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-100);
    border-radius: 12px;
  }

  .dropdown-menu {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: all;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--red-50);
    border-radius: 12px;
    padding: 8px;
    display: none;
    margin-top: 4px;
    min-width: unset;
  }
  .dropdown-menu::before { display: none; }

  .nav-dropdown.open .dropdown-menu { display: block; }
  .nav-dropdown.open .dropdown-toggle { color: var(--red-600); background: var(--red-50); }
  .nav-dropdown.open .dropdown-toggle i { transform: rotate(180deg); }

  .dropdown-item {
    padding: 14px 16px;
    border-radius: 10px;
  }
  .dropdown-item strong { font-size: 1rem; }
  .dropdown-item span span { font-size: .85rem; }
}