/* ══════════════════════════════════════
   header.css
   Header fijo, navegación y menús
══════════════════════════════════════ */

.header {
  background: var(--c-blanco);
  padding: .7rem var(--sp-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--c-gris-2);
  transition: box-shadow var(--t-base);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}

/* ── Logo ── */
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-svg {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}
.logo-text { line-height: 1.2; }
.logo-name {
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--c-negro);
  display: block;
}
.logo-sub {
  font-size: .62rem;
  color: var(--c-gris-txt);
  font-weight: 400;
  display: block;
  line-height: 1.3;
  max-width: 280px;
}

/* ── Nav ── */
.nav-menu {
  display: flex;
  align-items: center;
  gap: .2rem;
}
.nav-item { position: relative; }

.nav-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: .55rem .9rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-negro);
  background: none;
  border: none;
  border-radius: var(--r-md);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}
.nav-btn:hover {
  background: var(--c-gris-1);
  color: var(--c-azul);
}
.nav-arr {
  font-size: .55rem;
  opacity: .5;
  transition: transform var(--t-base);
  pointer-events: none;
}
.nav-item:hover .nav-arr { transform: rotate(180deg); }

/* ── Dropdown ── */
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--c-blanco);
  min-width: 220px;
  border-radius: 0 var(--r-lg) var(--r-lg) var(--r-lg);
  box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--c-azul);
  overflow: hidden;
  z-index: 100;
  animation: dropDown .18s ease both;
}
@keyframes dropDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown { display: block; }

.dropdown a {
  display: block;
  padding: 9px 16px;
  font-size: .8rem;
  color: var(--c-gris-txt);
  border-bottom: 1px solid var(--c-gris-2);
  transition: background var(--t-fast), color var(--t-fast), padding var(--t-fast);
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a:hover {
  background: var(--c-gris-1);
  color: var(--c-azul);
  padding-left: 22px;
}

/* ── Header actions ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
}

/* ── Admin Button ── */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .38rem .85rem;
  border-radius: 20px;
  background: linear-gradient(135deg, #1b5e20, #1565c0);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .02em;
  transition: opacity .2s, transform .2s;
  border: 2px solid rgba(255,255,255,.25);
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.admin-btn:hover { opacity: .88; transform: translateY(-1px); }

.search-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--c-naranja);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  transition: transform var(--t-fast), background var(--t-fast);
}
.search-circle:hover { transform: scale(1.08); background: #e86b00; }

/* ── Hamburger (mobile) ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.hamburger:hover { background: var(--c-gris-1); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-negro);
  border-radius: 2px;
  transition: all var(--t-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }