/* ============================================
   Layout
   ============================================ */

.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ============================================
   Header
   ============================================ */
.site-header {
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border-bottom: 2px solid var(--princeton-orange);
  position: relative;
  z-index: 501;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem; /* h-16 */
}

/* Brand / Logo */
.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  text-decoration: none;
}

.site-header__brand:hover {
  text-decoration: none;
}

.site-header__logo img {
  height: 2.5rem;
  width: auto;
}

.site-header__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--warm-900);
  letter-spacing: -0.025em;
  text-decoration: none;
}

.site-header__brand:hover .site-header__name {
  color: var(--princeton-orange);
}

/* ============================================
   Desktop Navigation
   ============================================ */
.desktop-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }
}

/* Flatten nested region/nav wrappers so flex works */
.desktop-nav .region,
.desktop-nav nav[role="navigation"] {
  display: contents;
}

.desktop-nav a,
.desktop-nav .nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--warm-700);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.desktop-nav a:hover,
.desktop-nav .nav-link:hover {
  background-color: var(--warm-100);
  color: var(--warm-900);
}

.desktop-nav a.is-active,
.desktop-nav .nav-link.is-active {
  background-color: var(--princeton-orange-light);
  color: var(--princeton-orange-dark);
}

.nav-divider {
  width: 1px;
  height: 1.5rem;
  background-color: var(--warm-200);
  margin: 0 0.5rem;
}

/* ============================================
   Mobile Navigation
   ============================================ */
.mobile-nav-toggle {
  display: flex;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  border: none;
  background: none;
  color: var(--warm-700);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.mobile-nav-toggle:hover {
  background-color: var(--warm-100);
}

@media (min-width: 768px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--warm-200);
  background-color: #fff;
}

.mobile-nav.is-open {
  display: block;
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none !important;
  }
}

.mobile-nav__inner {
  padding: 0.75rem 1rem;
}

.mobile-nav a {
  display: block;
  padding: 0.625rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--warm-700);
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.mobile-nav a:hover {
  background-color: var(--warm-100);
}

.mobile-nav a.is-active {
  background-color: var(--princeton-orange-light);
  color: var(--princeton-orange-dark);
}

/* ============================================
   Page Header Band (breadcrumb bar)
   ============================================ */
.page-header-band {
  background-color: #fff;
  border-bottom: 1px solid var(--warm-200);
  padding: 0.75rem 0;
}

.page-header-band__text {
  font-size: 0.875rem;
  color: var(--warm-500);
  margin: 0;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  padding: 1rem 0;
}

@media (min-width: 640px) {
  .main-content {
    padding: 1.5rem 0;
  }
}

@media (min-width: 1024px) {
  .main-content {
    padding: 2rem 0;
  }
}

/* Sidebar layout */
.content-with-sidebar {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .content-with-sidebar {
    grid-template-columns: 1fr 20rem;
  }
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background-color: #fff;
  border-top: 1px solid var(--warm-200);
  margin-top: auto;
}

.site-footer__inner {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer p,
.site-footer__contact {
  font-size: 0.875rem;
  color: var(--warm-500);
  margin: 0;
}

.site-footer a {
  color: var(--warm-500);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--princeton-orange);
}