/* Header Styles */

header {
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--container-padding);
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  margin-right: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo img {
  height: 50px;
  width: auto;
}

.logo span {
  display: inline-block;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
  justify-content: center;
}

nav a {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  text-align: center;
}

nav a:hover,
nav a.active {
  background: var(--bg-secondary);
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  color: var(--text-primary);
}

@media (max-width: 1200px) {
  .mobile-menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
  }

  nav a {
    display: block;
    padding: var(--spacing-md);
    text-align: center;
  }

  body.menu-open {
    overflow: hidden;
  }
}

@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
  }

  nav a {
    display: block;
    padding: var(--spacing-md);
  }

  body.menu-open {
    overflow: hidden;
  }
}