/* header.css — Site Header + Mobile Menu */

/* =============================================================================
   Site Header — Base
   ============================================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  padding: 1.625rem 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  transition:
    background-color 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    padding 0.4s ease;
}

.site-header.scrolled {
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 0.125rem 0.4375rem rgba(0, 0, 0, 0.1);
  padding: 1.625rem 3rem;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
}

/* =============================================================================
   Logo
   ============================================================================= */
.site-header__logo {
  position: relative;
  display: flex;
  align-items: center;
}

.site-header__logo a {
  display: flex;
  align-items: center;
  position: relative;
}

.site-header__logo-img {
  height: 44px;
  width: auto;
  transition: opacity 0.4s ease;
}

.site-header__logo-img--white {
  opacity: 1;
  position: relative;
  z-index: 1;
}

.site-header__logo-img--dark {
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: 0;
}

.site-header.scrolled .site-header__logo-img--white {
  opacity: 0;
}
.site-header.scrolled .site-header__logo-img--dark {
  opacity: 1;
}

/* Fallback: logo única (sem versão dupla) */
.site-header__logo-img--dark:only-child,
.site-header__logo-img--white:only-child {
  position: relative;
  top: auto;
  left: auto;
  transform: none;
  opacity: 1;
}

.site-header__logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: 0.06em;
  transition: color 0.4s ease;
}

.site-header.scrolled .site-header__logo-text {
  color: var(--color-dark);
}

/* =============================================================================
   Desktop Navigation
   ============================================================================= */
.site-header__nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  transition:
    color 0.3s ease,
    opacity 0.3s ease;
}

.site-header__nav-link:hover {
  color: var(--color-white);
  opacity: 1;
}

.site-header.scrolled .site-header__nav-link {
  color: rgba(83, 120, 135, 0.75);
}

.site-header.scrolled .site-header__nav-link:hover {
  color: var(--color-blue);
  opacity: 1;
}

/* =============================================================================
   Language Dropdown — Desktop
   ============================================================================= */
.site-header__lang {
  position: relative;
}

.site-header__lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  padding: 0;
  transition:
    color 0.3s ease,
    opacity 0.3s ease;
}

.site-header__lang-toggle:hover {
  color: var(--color-white);
}

.site-header.scrolled .site-header__lang-toggle {
  color: rgba(83, 120, 135, 0.75);
}

.site-header.scrolled .site-header__lang-toggle:hover {
  color: var(--color-blue);
  opacity: 1;
}

.site-header__lang-chevron {
  transition: transform 0.25s ease;
}

.site-header__lang.is-open .site-header__lang-chevron {
  transform: rotate(180deg);
}

.site-header__lang-dropdown {
  position: absolute;
  top: calc(100% + 0.875rem);
  right: 0;
  background: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  list-style: none;
  padding: 0.5rem 0;
  min-width: 80px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.site-header__lang.is-open .site-header__lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-header__lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-dark);
  cursor: pointer;
  border-bottom: 1px solid rgba(83, 120, 135, 0.1);
  transition: background-color 0.2s ease;
}

.site-header__lang-option:last-child {
  border-bottom: none;
}

.site-header__lang-option:hover {
  background-color: rgba(83, 120, 135, 0.07);
}
.site-header__lang-option.is-active {
  color: var(--color-blue);
}

.site-header__lang-option .fi,
.mobile-menu__lang-option .fi {
  width: 1.2em;
  line-height: 1em;
  vertical-align: middle;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

/* =============================================================================
   Reserve CTA — Desktop
   ============================================================================= */
.site-header__reserve {
  font-family: var(--font-nav);
  font-size: 0.775rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.625rem 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: var(--color-white);
  white-space: nowrap;
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease;
}

.site-header__reserve:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-dark);
}

.site-header.scrolled .site-header__reserve {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background-color: transparent;
}

.site-header.scrolled .site-header__reserve:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
}

/* =============================================================================
   Hamburger — Mobile
   ============================================================================= */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
}

.site-header__hamburger-line {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--color-white);
  transition: background-color 0.4s ease;
}

.site-header.scrolled .site-header__hamburger-line {
  background-color: var(--color-dark);
}

/* =============================================================================
   Header Variants
   ============================================================================= */

/* Variant: solid — sempre branco, sem transição de scroll */
.site-header[data-variant="solid"] {
  background-color: var(--color-white);
  border-bottom-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 0.125rem 0.4375rem rgba(0, 0, 0, 0.1);
  padding: 1.625rem 3rem;
}

.site-header[data-variant="solid"] .site-header__logo-img--white {
  opacity: 0;
}

.site-header[data-variant="solid"] .site-header__logo-img--dark {
  opacity: 1;
}

.site-header[data-variant="solid"] .site-header__nav-link {
  color: rgba(83, 120, 135, 0.75);
}

.site-header[data-variant="solid"] .site-header__lang-toggle {
  color: rgba(83, 120, 135, 0.75);
}

.site-header[data-variant="solid"] .site-header__reserve {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background-color: transparent;
}

.site-header[data-variant="solid"] .site-header__reserve:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
}

.site-header[data-variant="solid"] .site-header__hamburger-line {
  background-color: var(--color-dark);
}

/* Variant: transparent — sempre transparente, nunca transiciona */
.site-header[data-variant="transparent"] {
  background-color: transparent;
  border-bottom-color: rgba(255, 255, 255, 0.35);
}

/* =============================================================================
   Mobile Menu Overlay
   ============================================================================= */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-navbar) + 10);
  background-color: var(--color-blue);
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  visibility: hidden;
  pointer-events: none;
  transition:
    transform 0.55s cubic-bezier(0.76, 0, 0.24, 1),
    visibility 0.55s;
}

.mobile-menu.is-open {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.5rem 1.75rem 2.75rem;
}

/* --- Topo do overlay --- */
.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3.5rem;
}

.mobile-menu__logo-img {
  height: 40px;
  width: auto;
}

.mobile-menu__logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: 0.06em;
}

.mobile-menu__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-white);
  padding: 4px;
  display: flex;
  align-items: center;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.mobile-menu__close:hover {
  opacity: 1;
}

/* --- Navegação --- */
.mobile-menu__nav {
  flex: 1;
}

.mobile-menu__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu__nav-link {
  display: block;
  font-family: var(--font-nav);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.82);
  padding: 1.125rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition:
    color 0.25s ease,
    padding-left 0.25s ease;
}

.mobile-menu__nav-link:hover {
  color: var(--color-white);
  padding-left: 0.625rem;
}

.mobile-menu__nav-list li:last-child .mobile-menu__nav-link {
  border-bottom: none;
}

/* --- Rodapé do overlay --- */
.mobile-menu__footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2.5rem;
}

/* --- Language Dropdown — Mobile --- */
.mobile-menu__lang {
  position: relative;
}

.mobile-menu__lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  width: 100%;
  transition: border-color 0.25s ease;
}

.mobile-menu__lang-toggle:hover {
  border-color: rgba(255, 255, 255, 0.6);
}

.mobile-menu__lang-dropdown {
  position: absolute;
  bottom: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border-ui);
  list-style: none;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.mobile-menu__lang.is-open .mobile-menu__lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu__lang-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-dark);
  cursor: pointer;
  text-align: center;
  border-bottom: 1px solid rgba(83, 120, 135, 0.1);
  transition: background-color 0.2s ease;
}

.mobile-menu__lang-option:last-child {
  border-bottom: none;
}
.mobile-menu__lang-option:hover {
  background-color: rgba(83, 120, 135, 0.06);
}
.mobile-menu__lang-option.is-active {
  color: var(--color-blue);
  cursor: default;
}

/* --- Reserve CTA — Mobile --- */
.mobile-menu__reserve {
  display: block;
  font-family: var(--font-nav);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  padding: 1rem;
  background-color: var(--color-white);
  color: var(--color-blue);
  transition: background-color 0.3s ease;
}

.mobile-menu__reserve:hover {
  background-color: rgba(255, 255, 255, 0.88);
}

/* =============================================================================
   Responsivo
   ============================================================================= */
@media (max-width: 1024px) {
  .site-header__nav {
    display: none;
  }
  .site-header__hamburger {
    display: flex;
  }
  .site-header {
    padding: 1.25rem 1.5rem;
  }
  .site-header.scrolled {
    padding: 0.875rem 1.5rem;
  }
}

@media (min-width: 1025px) {
  .mobile-menu {
    display: none !important;
  }
}