/* ========================================
   HEADER
   ======================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
  height: var(--header-height);
}

.header--scrolled {
  border-bottom-color: var(--color-gray-200);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-gray-800);
  white-space: nowrap;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.header__logo-text span {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-gray-600);
  font-weight: 600;
  letter-spacing: 0.40em;
  line-height: 1.3;
}

/* Navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-800);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-navy);
  background-color: var(--color-off-white);
}

.nav__link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: var(--space-2);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--transition-fast),
              visibility var(--transition-fast),
              transform var(--transition-fast);
}

.nav__item:hover .nav__dropdown,
.nav__item--open .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__item:hover .nav__link svg {
  transform: rotate(180deg);
}

.nav__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
}

.nav__dropdown-link:hover {
  color: var(--color-navy);
  background-color: var(--color-off-white);
}

/* Mobile toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-navy);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

.nav-toggle__close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__close {
  display: block;
}

/* Mobile nav overlay */
.nav--mobile-open {
  display: flex;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--space-6);
  overflow-y: auto;
  z-index: 99;
}

.nav--mobile-open .nav__list {
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  gap: 0;
}

.nav--mobile-open .nav__link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border-bottom: 1px solid var(--color-gray-100);
  border-radius: 0;
}

.nav--mobile-open .nav__dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  border: none;
  box-shadow: none;
  padding: 0;
  padding-left: var(--space-4);
  display: none;
}

.nav--mobile-open .nav__item--open .nav__dropdown {
  display: block;
}

.nav--mobile-open .nav__dropdown-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-gray-100);
  border-radius: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
  padding-block: var(--space-12) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  white-space: nowrap;
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.footer__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-white);
  line-height: 1.2;
}

.footer__logo-text span {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-white);
  font-weight: 600;
  letter-spacing: 0.40em;
  line-height: 1.3;
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-3);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-white);
  margin-top: 2px;
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-white);
}

.footer__bottom p {
  color: var(--color-white);
}

.footer__bottom a {
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.footer__bottom a:hover {
  color: var(--color-white);
}

/* ========================================
   CARDS
   ======================================== */

.card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.card:hover {
  border-color: var(--color-navy);
}

.card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
  color: var(--color-navy);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.card__description {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.card__link:hover {
  color: var(--color-navy-light);
}

.card__link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.card__link:hover svg {
  transform: translateX(3px);
}