.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 24px; } }
.container--narrow { max-width: var(--container-narrow); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--color-line); transition: box-shadow .2s var(--ease); }
.site-header.is-scrolled { box-shadow: 0 4px 20px rgba(16,24,40,.08); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--color-primary); font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; flex-shrink: 0; }
.brand__logo { height: 44px; width: auto; }
.brand--light { color: #fff; }
.nav-toggle { display: inline-flex; background: none; border: 0; padding: 8px; color: var(--color-primary); cursor: pointer; border-radius: var(--radius-sm); }
.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 navigation: slide-in panel with accordion sub-menus */
.primary-nav { position: fixed; inset: var(--header-h) 0 0 0; background: #fff; padding: var(--space-4) 16px var(--space-7); overflow-y: auto; transform: translateX(100%); visibility: hidden; transition: transform .25s var(--ease), visibility .25s; }
.primary-nav.is-open { transform: none; visibility: visible; }
.menu { list-style: none; margin: 0; padding: 0; }
.menu__item { position: relative; border-bottom: 1px solid var(--color-line); display: flex; flex-wrap: wrap; align-items: center; }
.menu__link { flex: 1; display: block; padding: 14px 4px; color: var(--color-ink); text-decoration: none; font-weight: 500; }
.menu__link--label { cursor: default; }
.menu__item.is-active > .menu__link { color: var(--color-primary); }
.submenu-toggle { background: none; border: 0; padding: 12px; cursor: pointer; color: var(--color-muted); }
.submenu-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.menu .menu { display: none; width: 100%; padding-left: var(--space-4); }
.menu__item.is-open > .menu { display: block; }
.menu .menu .menu__item { border-bottom: 0; }
.menu .menu .menu__link { padding: 10px 4px; font-weight: 400; color: var(--color-ink-soft); }
.nav-cta { margin-top: var(--space-5); width: 100%; justify-content: center; }
.vis-desktop { display: none; }

@media (min-width: 1080px) {
  .nav-toggle { display: none; }
  .primary-nav { position: static; transform: none; visibility: visible; padding: 0; overflow: visible; display: flex; align-items: center; gap: var(--space-4); background: transparent; }
  .menu--level-1 { display: flex; align-items: center; gap: 2px; }
  .menu--level-1 > .menu__item { border: 0; }
  .menu--level-1 > .menu__item > .menu__link { padding: 10px 10px; font-size: .95rem; border-radius: var(--radius-sm); }
  .menu--level-1 > .menu__item > .menu__link:hover { background: var(--color-bg-muted); color: var(--color-primary); }
  .menu--level-1 > .menu__item.has-children > .menu__link { padding-right: 2px; }
  .submenu-toggle { padding: 6px 4px; }
  .menu .menu { position: absolute; top: 100%; left: 0; min-width: 230px; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(6px); transition: all .18s var(--ease); display: block; }
  .menu .menu .menu { top: -8px; left: 100%; }
  .menu__item:hover > .menu, .menu__item:focus-within > .menu, .menu__item.is-open > .menu { opacity: 1; visibility: visible; transform: none; }
  .menu .menu .menu__link { padding: 8px 12px; border-radius: var(--radius-sm); white-space: nowrap; }
  .menu .menu .menu__link:hover { background: var(--color-bg-muted); color: var(--color-primary); }
  .menu .menu .submenu-toggle { transform: rotate(-90deg); }
  .nav-cta { margin: 0; width: auto; }
  .vis-desktop { display: flex; }
  .vis-mobile { display: none; }
}

/* Page header */
.page-header { position: relative; background: linear-gradient(135deg, var(--color-primary), var(--color-dark)); color: #fff; padding: clamp(3rem, 2rem + 4vw, 5.5rem) 0; overflow: hidden; }
.page-header::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--color-secondary) 45%, transparent), transparent 45%); pointer-events: none; }
.page-header--image::after { background: linear-gradient(90deg, rgba(10,26,51,.9), rgba(10,26,51,.55)); }
.page-header__bg { position: absolute; inset: 0; }
.page-header__bg img { width: 100%; height: 100%; object-fit: cover; }
.page-header__inner { position: relative; z-index: 1; }
.page-header h1 { color: #fff; max-width: 20ch; margin-bottom: var(--space-3); }
.page-header__intro { font-size: var(--fs-lg); max-width: 60ch; color: rgba(255,255,255,.85); margin: 0; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: var(--fs-sm); margin-bottom: var(--space-4); color: inherit; opacity: .85; }
.breadcrumbs a { color: inherit; }
.page-header .breadcrumbs { color: #fff; }
.preview-banner { background: var(--color-accent); color: var(--color-ink); text-align: center; padding: 8px; font-weight: 600; font-size: var(--fs-sm); }

/* Footer */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,.78); padding-top: var(--space-8); font-size: .95rem; }
.site-footer a { color: rgba(255,255,255,.88); text-decoration: none; }
.site-footer a:hover { color: var(--color-accent); }
.site-footer__grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; padding-bottom: var(--space-7); }
@media (min-width: 640px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .site-footer__grid { grid-template-columns: 1.6fr 1fr 1.2fr 1fr; } }
.site-footer__about p { margin-top: var(--space-4); max-width: 42ch; }
.site-footer__title { font-size: var(--fs-base); color: #fff; margin-bottom: var(--space-4); }
.footer-links, .contact-list, .social-list { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 8px; }
.contact-list li { display: flex; gap: 10px; margin-bottom: 12px; align-items: flex-start; }
.contact-list svg { flex-shrink: 0; margin-top: 3px; color: var(--color-secondary); }
.social-list { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: var(--space-5); }
.social-list a { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); }
.social-list a:hover { background: var(--color-secondary); color: #fff; }
.muted-light { color: rgba(255,255,255,.6); }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: var(--space-5); padding-bottom: var(--space-5); font-size: var(--fs-sm); }
.site-footer__bottom p { margin: 0; }