/* Header-specific styles for BUDGET TRAVEL TRENDS */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.site-header__inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.site-logo span {
  color: var(--color-accent);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 0.25rem 0;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link--active {
  color: var(--color-primary-dark);
}

.nav__link--secondary {
  color: var(--color-text);
}

.nav__link--cta {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(43, 122, 120, 0.4);
}

.nav__link--cta:hover {
  background-color: var(--color-primary);
  color: #fff !important;
}

/* Burger button */
.burger {
  display: none;
  position: relative;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.burger__line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.burger__line--top {
  top: 0;
}

.burger__line--middle {
  top: 50%;
  transform: translateY(-50%);
}

.burger__line--bottom {
  bottom: 0;
}

.header--menu-open .burger__line--top {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.header--menu-open .burger__line--middle {
  opacity: 0;
}

.header--menu-open .burger__line--bottom {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Mobile navigation */
@media (max-width: 900px) {
  .burger {
    display: block;
  }

  .nav {
    position: fixed;
    inset: var(--nav-height) 0 auto 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .site-logo {
    font-size: var(--font-size-base);
  }
}