/* Header */
.dseo-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.dseo-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  gap: var(--space-xl);
}

.dseo-header__logo img {
  height: 33px;
  width: auto;
}

/* Desktop nav */
.dseo-header__nav {
  flex-grow: 1;
  display: flex;
  justify-content: center;
}

.dseo-header__nav .dseo-nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-xl);
}

.dseo-header__nav .dseo-nav__list li {
  position: relative;
  margin-bottom: 0;
}

.dseo-header__nav .dseo-nav__list > li > a {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.5rem 0;
  display: block;
}

.dseo-header__nav .dseo-nav__list > li > a:hover {
  color: var(--color-accent);
}

/* Dropdown sub-menu */
.dseo-header__nav .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.1);
  padding: 0.75rem 0;
  min-width: 220px;
  list-style: none;
  margin: 0;
  z-index: 200;
}

.dseo-header__nav .menu-item-has-children::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 0.75rem;
}

.dseo-header__nav li:hover > .sub-menu {
  display: block;
}

.dseo-header__nav .sub-menu li {
  margin-bottom: 0;
}

.dseo-header__nav .sub-menu a {
  display: block;
  padding: 0.5rem 1.25rem;
  color: var(--color-text);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.dseo-header__nav .sub-menu a:hover {
  color: var(--color-accent);
  background: var(--color-light);
}

/* Actions (CTA button + toggle) */
.dseo-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Hamburger toggle - hidden on desktop */
.dseo-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.dseo-header__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.dseo-header__toggle[aria-expanded="true"]
  .dseo-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.dseo-header__toggle[aria-expanded="true"]
  .dseo-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.dseo-header__toggle[aria-expanded="true"]
  .dseo-header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.dseo-mobile-nav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0 var(--space-xl);
  max-height: calc(100vh - 65px);
  overflow-y: auto;
}

.dseo-mobile-nav[hidden] {
  display: none;
}

.dseo-mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dseo-mobile-nav__list li {
  margin-bottom: 0;
}

.dseo-mobile-nav__list > li > a {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--color-primary);
  font-size: var(--text-lg);
  font-weight: 500;
}

.dseo-mobile-nav__list .sub-menu {
  list-style: none;
  padding: 0 0 0 var(--space-lg);
  margin: 0;
}

.dseo-mobile-nav__list .sub-menu a {
  display: block;
  padding: 0.4rem 0;
  color: var(--color-text);
  font-size: var(--text-base);
}

.dseo-mobile-nav__cta {
  display: block;
  text-align: center;
  margin-top: var(--space-lg);
}

/* Footer CTA */
.dseo-footer__cta {
  padding: var(--space-4xl) 0;
  text-align: center;
}

.dseo-footer__cta h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.dseo-footer__cta p {
  font-size: var(--text-lg);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* Footer main */
.dseo-footer__main {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
}

.dseo-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
}

.dseo-footer__areas {
  font-size: var(--text-sm);
  line-height: 1.8;
}

.dseo-footer__areas a {
  color: var(--color-text);
}

.dseo-footer__areas a:hover {
  color: var(--color-accent);
}

.dseo-footer__brand {
  min-width: 0;
}

.dseo-footer__brand img {
  height: 28px;
  width: auto;
  margin-bottom: 0.75rem;
}

.dseo-footer__tagline {
  margin-top: var(--space-md);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.dseo-footer__links h4,
.dseo-footer__contact h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.dseo-footer__links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.dseo-footer__links li {
  margin-bottom: var(--space-sm);
}

.dseo-footer__links a {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.dseo-footer__links a:hover {
  color: var(--color-accent);
}

.dseo-footer__contact p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-sm);
}

.dseo-footer__contact a {
  color: var(--color-text);
}

.dseo-footer__contact a:hover {
  color: var(--color-accent);
}

.dseo-footer__bottom {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.dseo-footer__bottom p {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .dseo-header__nav {
    display: none;
  }

  .dseo-header__actions .dseo-btn {
    display: none;
  }

  .dseo-header__toggle {
    display: flex;
  }

  .dseo-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .dseo-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* Non-clickable parent menu items (URL set to #) */
.dseo-header__nav .dseo-nav__list > li > a[href="#"] {
  cursor: default;
  pointer-events: none;
}

.dseo-header__nav .dseo-nav__list > li:hover > a[href="#"] {
  pointer-events: none;
  color: var(--color-accent);
}

/* But allow the dropdown to still open on parent hover */
.dseo-header__nav .dseo-nav__list > li {
  cursor: pointer;
}