/* ============================================================
   NAVBAR - CLEAN & PROFESSIONAL
   Temiz, modern ve responsive navbar tasarımı
   ============================================================ */

/* === HEADER BASE === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.08);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

/* === THEME PRIMARY VARIANT (e.g., login page) === */
.theme-primary .site-header {
  background: var(--color-primary);
  border-bottom: none;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.theme-primary .site-logo,
.theme-primary .site-logo span,
.theme-primary .nav-link,
.theme-primary .header-contact {
  color: #ffffff;
}

.theme-primary .nav-link:hover,
.theme-primary .nav-link.active {
  color: #ffffff;
  opacity: 0.75;
  background: transparent;
}

.theme-primary .header-contact svg,
.theme-primary .site-logo svg {
  color: #ffffff;
}

.theme-primary .login-switcher__toggle,
.theme-primary .language-switcher__toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  box-shadow: none;
  transform: none;
}

.theme-primary .login-switcher__toggle:hover,
.theme-primary .language-switcher__toggle:hover {
  opacity: 0.85;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.hide-login-switcher .login-switcher {
  display: none;
}

.site-header .container {
  padding-left: 1rem;
  padding-right: 1rem;
}

/* === CONTAINER === */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 75px;
  gap: 0.5rem;
  max-width: 100%;
}

/* === LOGO === */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.125rem;
  color: #1A1A1A;
  text-decoration: none;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  max-width: 200px;
}

.site-logo:hover {
  transform: translateY(-2px);
  color: var(--color-primary);
}

.site-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.site-logo svg {
  color: var(--color-primary);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
}

.site-logo span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === DESKTOP NAVIGATION === */
.main-nav {
  display: none;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }
}

/* === NAV LINKS === */
.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.625rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #1A1A1A;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.06);
}

.nav-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* === DROPDOWN === */
.nav-item--dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 260px;
  padding: 0.75rem;
  background: white;
  border-radius: 12px;
  box-shadow: 
    0 20px 60px rgba(var(--color-primary-rgb), 0.12),
    0 8px 24px rgba(var(--color-primary-rgb), 0.08),
    0 0 0 1px rgba(var(--color-primary-rgb), 0.06);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 1000;
}

.nav-item--dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #1A1A1A;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-dropdown__link:hover {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.08) 0%, rgba(var(--color-primary-rgb), 0.02) 100%);
  color: var(--color-primary);
  padding-left: 1.25rem;
}

.nav-dropdown__link i {
  color: var(--color-primary);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.nav-dropdown__link--all {
  margin-top: 0.5rem;
  padding-top: 0.875rem;
  border-top: 2px solid #F7F8FA;
  font-weight: 700;
  color: var(--color-primary);
}

/* === HEADER ACTIONS === */
.header-actions {
  display: none;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .header-actions {
    display: flex;
  }
}

/* === LOGIN SWITCHER === */
.login-switcher {
  position: relative;
}

.login-switcher__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: rgba(var(--color-primary-rgb), 0.06);
  border: 1.5px solid rgba(var(--color-primary-rgb), 0.15);
  border-radius: 10px;
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.25s ease;
}

.login-switcher__toggle:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.12);
}

.login-switcher__toggle svg {
  width: 18px;
  height: 18px;
}

.login-switcher__dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 220px;
  padding: 0.5rem;
  background: white;
  border-radius: 10px;
  box-shadow:
    0 12px 40px rgba(var(--color-primary-rgb), 0.15),
    0 4px 16px rgba(var(--color-primary-rgb), 0.08),
    0 0 0 1px rgba(var(--color-primary-rgb), 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.login-switcher__option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #1A1A1A;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.login-switcher__option:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

.login-switcher__option--active {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.12) 0%, rgba(var(--color-primary-rgb), 0.06) 100%);
  color: var(--color-primary);
  font-weight: 700;
}

.login-switcher__option--disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Hideable text for responsive views */
.header-contact__text--hideable {
  white-space: nowrap;
}

/* === LANGUAGE SWITCHER === */
.language-switcher {
  position: relative;
}

.language-switcher__toggle {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 0.875rem;
  background: rgba(var(--color-primary-rgb), 0.06);
  border: 1.5px solid rgba(var(--color-primary-rgb), 0.15);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.25s ease;
}

.language-switcher__toggle:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.12);
}

.language-switcher__toggle svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.language-switcher__current {
  font-weight: 700;
}

.language-switcher__dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 160px;
  padding: 0.5rem;
  background: white;
  border-radius: 8px;
  box-shadow: 
    0 12px 40px rgba(var(--color-primary-rgb), 0.15),
    0 4px 16px rgba(var(--color-primary-rgb), 0.08),
    0 0 0 1px rgba(var(--color-primary-rgb), 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.language-switcher__option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #1A1A1A;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.language-switcher__option:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

.language-switcher__option--active {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.12) 0%, rgba(var(--color-primary-rgb), 0.06) 100%);
  color: var(--color-primary);
  font-weight: 700;
}

.language-switcher__flag {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 800;
  color: white;
}

/* === HEADER CONTACT === */
.header-contact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  color: #6B7280;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.25s ease;
  background: #F7F8FA;
  border: 2px solid transparent;
}

.header-contact:hover {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  border-color: rgba(var(--color-primary-rgb), 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.12);
}

.header-contact svg {
  color: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.header-contact__text {
  white-space: nowrap;
}

/* Icon only variant - email always shows as icon only */
.header-contact--icon-only {
  padding: 0.625rem;
  min-width: 44px;
  justify-content: center;
}

/* === HEADER CTA === */
.header-cta {
  flex-shrink: 0;
  font-weight: 700;
  padding: 0.625rem 1rem;
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.25);
  white-space: nowrap;
  font-size: 0.875rem;
}

.header-cta:hover {
  box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.35);
}

.header-cta svg {
  display: none;
}

@media (min-width: 1200px) {
  .header-cta {
    font-size: 0.9375rem;
    padding: 0.75rem 1.5rem;
  }
  
  .header-cta svg {
    display: block;
  }
}

/* === MOBILE MENU TOGGLE === */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08) 0%, rgba(var(--color-secondary-rgb), 0.08) 100%);
  border: 2px solid rgba(var(--color-primary-rgb), 0.15);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle:hover {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.15) 0%, rgba(var(--color-secondary-rgb), 0.15) 100%);
  border-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.2);
}

.mobile-menu-toggle[aria-expanded="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span {
  background-color: white;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* === MOBILE NAVIGATION === */
.mobile-nav {
  position: fixed;
  top: 75px;
  right: 0;
  width: 320px;
  max-width: 90vw;
  height: calc(100vh - 75px);
  background: white;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  z-index: 999;
}

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

.mobile-nav__header {
  padding: 1.5rem;
  border-bottom: 2px solid #F7F8FA;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #F7F8FA 0%, transparent 100%);
}

.mobile-nav__list {
  list-style: none;
  padding: 1rem;
  margin: 0;
}

.mobile-nav__item {
  margin-bottom: 0.5rem;
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: #1A1A1A;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.25s ease;
  background: white;
  border: 2px solid #E5E7EB;
}

.mobile-nav__link:hover {
  background: rgba(var(--color-primary-rgb), 0.06);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateX(4px);
}

.mobile-nav__link--contact {
  background: rgba(var(--color-primary-rgb), 0.05);
  border-color: rgba(var(--color-primary-rgb), 0.15);
  color: var(--color-primary);
}

.mobile-nav__link--contact:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
}

.mobile-nav__link svg {
  color: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.mobile-nav__divider {
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, #E5E7EB 50%, transparent 100%);
  margin: 1rem 0;
}

.mobile-nav__section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6B7280;
  padding: 0.75rem 0.5rem 0.5rem;
  margin-top: 0.5rem;
}

.mobile-nav__language-grid {
  display: grid;
  gap: 0.5rem;
}

.mobile-nav__language-btn {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: #F7F8FA;
  border: 2px solid #E5E7EB;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #1A1A1A;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s ease;
}

.mobile-nav__language-btn:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.mobile-nav__language-btn--active {
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.12) 0%, rgba(var(--color-primary-rgb), 0.06) 100%);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
}

.mobile-nav__language-btn svg {
  color: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* === MOBILE OVERLAY === */
.mobile-overlay {
  position: fixed;
  top: 75px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 998;
}

.mobile-overlay.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* === RESPONSIVE BREAKPOINTS === */
@media (max-width: 1280px) {
  .site-header .container {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  
  .header-contact__text--hideable {
    display: none;
  }
  
  .header-contact {
    padding: 0.5rem;
    min-width: 40px;
    justify-content: center;
  }
  
  .language-switcher__current {
    display: none;
  }
  
  .language-switcher__toggle {
    padding: 0.5rem 0.625rem;
  }
  
  .header-cta {
    display: none;
  }
  
  .header-actions {
    gap: 0.25rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.375rem;
    font-size: 0.8125rem;
  }
  
  .main-nav {
    gap: 0;
  }
  
  .header-container {
    gap: 0.375rem;
  }
  
  .site-logo {
    max-width: 160px;
    font-size: 1rem;
    gap: 0.375rem;
  }
  
  .site-logo img {
    height: 38px;
  }
}

@media (max-width: 1140px) {
  .site-header .container {
    padding-left: 0.375rem;
    padding-right: 0.375rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.25rem;
    font-size: 0.8125rem;
  }
  
  .header-container {
    gap: 0.25rem;
  }
  
  .site-logo {
    max-width: 140px;
    gap: 0.375rem;
    font-size: 0.9375rem;
  }
  
  .site-logo img {
    height: 36px;
  }
  
  .header-contact,
  .language-switcher__toggle {
    padding: 0.5rem;
    min-width: 38px;
  }
  
  .header-actions {
    gap: 0.125rem;
  }
}

@media (max-width: 768px) {
  .site-logo {
    font-size: 1.125rem;
    gap: 0.625rem;
    max-width: 220px;
  }
  
  .site-logo img {
    height: 40px;
  }
  
  .site-logo svg {
    width: 36px;
    height: 36px;
  }
  
  .header-container {
    height: 68px;
  }
  
  .mobile-nav {
    top: 68px;
    height: calc(100vh - 68px);
  }
  
  .mobile-overlay {
    top: 68px;
  }
}