/* Header Styles */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-index-fixed);
  transition: all var(--transition-normal);
}

.header.transparent {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  box-shadow: none;
}

.header.transparent .nav-link {
  color: #FFFFFF;
}

.header.transparent .logo-text {
  fill: #FFFFFF;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img,
.logo svg {
  height: 40px;
  width: auto;
  transition: transform var(--transition-normal);
}

.logo:hover img,
.logo:hover svg {
  transform: scale(1.05);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--text-color);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transform: translateX(-50%);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--accent-color);
}

/* CTA Button in Header */
.header-cta {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-index-fixed);
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background-color: var(--main-color);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.header.transparent .hamburger-line {
  background-color: #FFFFFF;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--bg-color);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl) var(--spacing-md);
  z-index: var(--z-index-modal);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.mobile-nav-link {
  display: block;
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-color);
  text-decoration: none;
  border-bottom: 1px solid var(--sub-color);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--accent-color);
  padding-left: 1.5rem;
}

/* Mobile Menu Overlay */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: var(--z-index-modal-backdrop);
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive */
@media (max-width: 1023px) {
  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}

@media (max-width: 767px) {
  .header {
    height: var(--header-height-mobile);
  }

  .logo img,
  .logo svg {
    height: 32px;
  }
}