/* ==========================================================================
   Navigation Styles
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(253, 252, 251, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  border-bottom-color: var(--light-gray);
  box-shadow: var(--shadow-sm);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--container-wide);
  margin: 0 auto;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.header__logo img {
  height: 50px;
  width: auto;
  transition: transform var(--transition-fast);
}

.header__logo:hover img {
  transform: scale(1.02);
}

/* Desktop Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__item {
  position: relative;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--electric-blue);
  transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
  color: var(--electric-blue);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* CTA Button */
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--electric-blue);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background-color: var(--navy);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav__cta svg {
  width: 16px;
  height: 16px;
}

/* Social Links */
.nav__social {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-md);
  padding-left: var(--space-md);
  border-left: 1px solid var(--light-gray);
}

.nav__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav__social-link:hover {
  color: var(--electric-blue);
  background-color: var(--light-gray);
}

.nav__social-link svg {
  width: 18px;
  height: 18px;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  z-index: 1001;
}

.nav__toggle-line {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-normal);
}

.nav__toggle-line:nth-child(1) {
  margin-bottom: 6px;
}

.nav__toggle-line:nth-child(3) {
  margin-top: 6px;
}

.nav__toggle.active .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.nav__toggle.active .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Navigation */
@media (max-width: 991px) {
  .nav__toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-3xl);
    transition: right var(--transition-normal);
    box-shadow: var(--shadow-xl);
  }

  .nav.active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
    width: 100%;
  }

  .nav__link {
    font-size: 1.5rem;
    font-family: var(--font-heading);
  }

  .nav__cta {
    margin-top: var(--space-xl);
    width: 100%;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
  }

  .nav__social {
    margin-left: 0;
    margin-top: var(--space-xl);
    padding-left: 0;
    padding-top: var(--space-xl);
    border-left: none;
    border-top: 1px solid var(--light-gray);
    width: 100%;
    justify-content: center;
  }

  /* Mobile menu overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
  }

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

@media (max-width: 480px) {
  .header__logo img {
    height: 40px;
  }

  .nav {
    max-width: 100%;
    padding: var(--space-2xl);
  }
}