/* ============================================
   Header & Navigation
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-light-1);
  border-bottom: none;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
}

.header__logo img {
  height: 58px;
  width: auto;
}

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

.nav__link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  letter-spacing: 0.02em;
  padding-block: var(--space-xs);
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

/* Nav CTA button */
.nav__link--btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-bold);
  padding: 0.5rem 0.5rem 0.5rem 1.5rem;
  border-radius: 0;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.nav__link--btn__icon {
  flex-shrink: 0;
}

.nav__link--btn::after {
  display: none;
}

.nav__link.nav__link--btn:hover {
  background-color: #3A85A3;
  color: var(--color-white);
  transform: translateY(-1px);
}

.nav__link.nav__link--btn.nav__link--active {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: none;
}

/* Mobile menu button */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  margin-block: 5px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* Mobile menu open state */
.nav__toggle--open .nav__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav__toggle--open .nav__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile styles */
@media (max-width: 768px) {
  .header__inner {
    height: 72px;
  }

  .header__logo img {
    height: 42px;
  }

  .nav__toggle {
    display: block;
    align-self: flex-start;
    margin-top: 19px;
    padding-top: 0;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-light-1);
    padding: var(--space-2xl) var(--container-padding);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

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

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
  }

  .nav__link {
    font-size: var(--text-2xl);
  }

  .nav__link--btn {
    margin-top: var(--space-md);
    font-size: var(--text-lg);
  }
}