/* ================================================
   HEADER & NAVEGACIÓN
   ================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gap-lg);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--color-border);
  transition: background var(--transition);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo img {
  height: 44px;
  width: auto;
  filter: brightness(0.9);
}

.header__logo-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-white);
  line-height: 1.3;
  text-align: center;
}

.header__nav {
  display: flex;
  gap: var(--gap-md);
  align-items: center;
}

.header__nav a {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-grey);
  position: relative;
  transition: color var(--transition);
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-gold);
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

/* Botón hamburguesa mobile */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.header__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--transition);
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  transform: translateX(100%);
  transition: transform var(--transition);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-white);
  font-style: italic;
  transition: color var(--transition);
}

.mobile-nav a:hover {
  color: var(--color-gold);
}

.mobile-nav__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--color-grey);
  font-size: 28px;
  line-height: 1;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .header {
    padding: 16px 20px;
  }

  .header__nav {
    display: none;
  }

  .header__burger {
    display: flex;
  }
}