/* ===========================
   Navigation
   =========================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  z-index: var(--z-navbar);
  transition: all var(--duration-normal) var(--ease-out);
  opacity: 0;
  transform: translateY(-100%);
}

/* Visible state — triggered by scroll > 40px */
.navbar--visible {
  opacity: 1;
  transform: translateY(0);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-left: var(--grid-page-margin);
  padding-right: var(--grid-page-margin);
}

/* Logo */
.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: var(--weight-heading-light);
  letter-spacing: var(--tracking-wide);
  color: var(--color-ivory);
  white-space: nowrap;
}

.navbar__logo span {
  color: var(--color-gold);
}

/* Navigation Menu */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-40);
}

.navbar__link {
  font-size: var(--text-caption);
  font-weight: var(--weight-body-regular);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gray-warm);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}

.navbar__link:hover {
  color: var(--color-ivory);
}

.navbar__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Right Section */
.navbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

/* Language switcher — ES | EN */
.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  user-select: none;
}

.lang-switch__link {
  font-size: var(--text-caption);
  font-weight: var(--weight-body-regular);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gray-warm);
  opacity: 0.55;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

a.lang-switch__link:hover {
  color: var(--color-ivory);
  opacity: 1;
}

.lang-switch__link.is-active {
  color: var(--color-gold);
  opacity: 1;
  cursor: default;
}

.lang-switch__sep {
  width: 1px;
  height: 12px;
  background-color: var(--color-divider);
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-8) var(--space-24);
  border: 1px solid var(--color-divider);
  font-size: 0.625rem;
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ivory);
  transition: border-color var(--duration-normal) var(--ease-out),
              color var(--duration-normal) var(--ease-out),
              background-color var(--duration-normal) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.navbar__cta:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.navbar__cta:focus-visible {
  outline: 2px solid var(--color-ivory);
  outline-offset: 3px;
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.navbar__cta:active {
  transform: translateY(1px);
}

/* Scroll State */
.navbar--scrolled {
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  height: var(--navbar-height-scrolled);
  border-bottom: 1px solid var(--color-divider);
}

.navbar--scrolled .navbar__inner {
  height: var(--navbar-height-scrolled);
}

/* Mobile Menu Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
}

.navbar__toggle span {
  width: 100%;
  height: 1px;
  background-color: var(--color-ivory);
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar__toggle span:first-child { width: 100%; }
.navbar__toggle span:nth-child(2) { width: 60%; }
.navbar__toggle span:last-child { width: 80%; }

.navbar__toggle:hover span {
  background-color: var(--color-gold);
}

/* Mobile Menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-black-absolute);
  z-index: var(--z-overlay);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-48);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.navbar__mobile-menu.active {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.navbar__mobile-menu .navbar__link {
  font-size: var(--text-body);
  letter-spacing: var(--tracking-widest);
}