.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(248, 249, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(17,24,39,0.07);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
  gap: var(--space-4);
}

.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.nav__logo-wordmark {
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
  color: var(--color-surface-ink);
  line-height: 1;
}

.nav__logo-wordmark span {
  color: var(--color-secondary);
}

.nav__logo-sub {
  font-size: 0.6rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-top: 2px;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-5);
}

@media (min-width: 900px) {
  .nav__links { display: flex; }
}

.nav__link {
  font-size: var(--text-label-md);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-secondary);
  transition: width var(--transition-base);
}

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

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

.nav__link--highlight {
  color: var(--color-secondary) !important;
  font-weight: var(--fw-bold);
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(0,104,122,0.3);
  background: rgba(0,104,122,0.06);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.nav__link--highlight:hover,
.nav__link--highlight.active {
  background: rgba(0,104,122,0.12);
  border-color: var(--color-secondary);
  color: var(--color-secondary) !important;
}

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

.nav__item {
  position: relative;
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-surface-lowest);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: calc(var(--z-nav) + 1);
}

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

.nav__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-label-md);
  font-weight: var(--fw-medium);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav__dropdown-link:hover,
.nav__dropdown-link.active {
  background: var(--color-surface-low);
  color: var(--color-secondary);
}

.mobile-menu__dropdown {
  display: flex;
  flex-direction: column;
  padding-left: var(--space-3);
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
  border-left: 2px solid var(--color-border-subtle);
  gap: var(--space-2);
}

.mobile-menu__dropdown-link {
  display: block;
  font-size: var(--text-label-md);
  font-weight: var(--fw-medium);
  color: var(--color-on-surface-variant);
  transition: color var(--transition-fast);
}

.mobile-menu__dropdown-link:hover {
  color: var(--color-secondary);
}

.mobile-menu__link--highlight {
  color: var(--color-secondary) !important;
  font-weight: var(--fw-bold);
}

.nav__cta { display: none; }

@media (min-width: 900px) {
  .nav__cta { display: block; }
}

.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

@media (min-width: 900px) {
  .nav__hamburger { display: none; }
}

.nav__hamburger span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--color-surface-ink);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 5rem;
  z-index: calc(var(--z-nav) - 1);
  background: var(--color-surface-lowest);
  border-top: 1px solid var(--color-border-subtle);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

@media (max-width: 899px) {
  .mobile-menu { display: flex; flex-direction: column; }
}

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

.mobile-menu__links {
  padding: var(--space-4) var(--gutter-mobile);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-label-md);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-secondary);
}

.mobile-menu__cta {
  padding: var(--space-4) var(--gutter-mobile) var(--space-6);
}

.page-content {
  padding-top: 5rem;
}

.footer {
  background: var(--color-surface-ink);
  color: rgba(255,255,255,0.7);
  padding-block: var(--space-12);
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 3fr 1fr;
    gap: var(--space-6);
  }
}

.footer__logo-wordmark {
  font-size: 1.1rem;
  font-weight: var(--fw-bold);
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.footer__logo-wordmark span { color: var(--color-secondary-fixed-dim); }

.footer__tagline {
  font-size: var(--text-body-md);
  font-weight: var(--fw-light);
  color: rgba(255,255,255,0.6);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-3);
}

.footer__address {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.45);
}

.footer__address strong {
  color: rgba(255,255,255,0.6);
  font-weight: var(--fw-medium);
  display: block;
  margin-bottom: var(--space-1);
}

.footer__col-title {
  font-size: var(--text-label-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-3);
}

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

.footer__link {
  font-size: var(--text-body-md);
  font-weight: var(--fw-light);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer__link:hover { color: #fff; }

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}