/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  height: 40px;
}

.logo img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a.active {
  color: var(--primary);
}

/* Auth Buttons */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-auth .btn-login {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 8px 16px;
}

.nav-auth .btn-login:hover {
  color: var(--primary);
}

.nav-auth .btn-signup {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
}

.nav-auth .btn-signup:hover {
  background: var(--primary-dark);
  color: #fff;
}

/* Mobile Menu Toggle (Pure CSS) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Menu Checkbox Hack */
.menu-checkbox {
  display: none;
}

/* Mobile Menu Open State */
.menu-checkbox:checked ~ .nav {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-white);
  padding: 30px 20px;
  gap: 20px;
  overflow-y: auto;
}

.menu-checkbox:checked ~ .nav .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.menu-checkbox:checked ~ .nav .nav-links a {
  font-size: 1.1rem;
}

.menu-checkbox:checked ~ .nav .nav-auth {
  flex-direction: column;
  align-items: stretch;
  width: 100%;
}

.menu-checkbox:checked ~ .nav .nav-auth a {
  text-align: center;
  padding: 12px;
}

/* Mobile Menu Open State */
.menu-checkbox:checked ~ .nav {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-white);
  padding: 30px 20px;
  gap: 20px;
  overflow-y: auto;
}

.menu-checkbox:checked ~ .nav .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.menu-checkbox:checked ~ .nav .nav-links a {
  font-size: 1.1rem;
}

.menu-checkbox:checked ~ .nav .nav-auth {
  flex-direction: column;
  align-items: stretch;
  width: 100%;
}

.menu-checkbox:checked ~ .nav .nav-auth a {
  text-align: center;
  padding: 12px;
}

.menu-checkbox:checked ~ .nav .nav-auth .language-switcher {
  width: 100%;
}

.menu-checkbox:checked ~ .nav .nav-auth .btn-language {
  width: 100%;
  justify-content: center;
}

.menu-checkbox:checked ~ .nav .nav-auth .language-dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  box-shadow: none;
  border: 1px solid var(--border-color);
  margin-top: 8px;
  display: none;
}

.menu-checkbox:checked ~ .nav .nav-auth .language-dropdown.show {
  display: block;
}

.menu-checkbox:checked ~ .nav .nav-auth .currency-switcher {
  width: 100%;
}

.menu-checkbox:checked ~ .nav .nav-auth .btn-currency {
  width: 100%;
  justify-content: center;
}

.menu-checkbox:checked ~ .nav .nav-auth .currency-dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  box-shadow: none;
  border: 1px solid var(--border-color);
  margin-top: 8px;
  display: none;
}

.menu-checkbox:checked ~ .nav .nav-auth .currency-dropdown.show {
  display: block;
}

/* Hamburger animation */
.menu-checkbox:checked ~ .menu-toggle span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-checkbox:checked ~ .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.menu-checkbox:checked ~ .menu-toggle span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Language Switcher */
.language-switcher {
  position: relative;
}

.btn-language {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.btn-language:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-light);
}

.flag-icon {
  width: 24px;
  height: 18px;
  object-fit: cover;
  border-radius: 2px;
  display: inline-block;
  vertical-align: middle;
}

.dropdown-arrow {
  font-size: 0.6rem;
  margin-left: 2px;
  transition: transform 0.3s ease;
}

.btn-language.active .dropdown-arrow {
  transform: rotate(180deg);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.language-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: var(--transition);
}

.language-option:hover {
  background: var(--bg-light);
}

.language-option.active {
  background: var(--primary-light);
  color: var(--primary);
}

.lang-text {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Currency Switcher */
.currency-switcher {
  position: relative;
}

.btn-currency {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.btn-currency:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-light);
}

.currency-symbol {
  font-size: 1rem;
  font-weight: 600;
  display: inline-block;
  vertical-align: middle;
}

.currency-code {
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-block;
  vertical-align: middle;
}

.currency-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: auto;
  width: max-content;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.currency-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.currency-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.currency-option:hover {
  background: var(--bg-light);
}

.currency-option.active {
  background: var(--primary-light);
  color: var(--primary);
}


.curr-symbol {
  font-size: 1rem;
  font-weight: 600;
  min-width: 30px;
  display: inline-block;
  flex-shrink: 0;
}

.curr-code {
  font-size: 0.9rem;
  font-weight: 500;
  flex: 1;
  text-align: left;
}

/* ===== Floating Customer Service ===== */
.floating-customer-service {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
}

.service-btn {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 12px;
  background: var(--bg-white);
  border: 2px solid var(--primary);
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  max-width: 50px;
}

.service-btn:hover {
  max-width: 280px;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  padding-right: 20px;
}

.service-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.service-icon {
  width: 26px;
  height: 26px;
  animation: phone-ring 2s ease-in-out infinite;
}

@keyframes phone-ring {
  0%, 100% {
    transform: rotate(0deg);
  }
  10%, 30% {
    transform: rotate(-10deg);
  }
  20%, 40% {
    transform: rotate(10deg);
  }
  50% {
    transform: rotate(0deg);
  }
}

.service-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  opacity: 0;
  white-space: nowrap;
  transition: opacity 0.3s ease;
  min-width: 0;
}

.service-btn:hover .service-content {
  opacity: 1;
  transition-delay: 0.1s;
}

.service-text {
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.2;
}

.service-phone {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.service-btn:hover .service-text,
.service-btn:hover .service-phone {
  color: #fff;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .floating-customer-service {
    right: 12px;
    bottom: 80px;
    top: auto;
    transform: none;
  }

  .service-btn {
    padding: 10px;
    max-width: 48px;
  }

  .service-btn:hover {
    max-width: 260px;
    padding-right: 16px;
  }

  .service-icon-wrapper {
    width: 24px;
    height: 24px;
  }

  .service-icon {
    width: 24px;
    height: 24px;
  }

  .service-text {
    font-size: 0.7rem;
  }

  .service-phone {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .floating-customer-service {
    right: 10px;
    bottom: 70px;
  }

  .service-btn {
    padding: 9px;
    max-width: 44px;
  }

  .service-btn:hover {
    max-width: 240px;
    padding-right: 14px;
  }

  .service-icon-wrapper {
    width: 22px;
    height: 22px;
  }

  .service-icon {
    width: 22px;
    height: 22px;
  }

  .service-text {
    font-size: 0.65rem;
  }

  .service-phone {
    font-size: 0.8rem;
  }
}