/* Shared public-site shell: header, mobile menu, footer, page frame, page headings.
   Requires /assets/design-system/index.css (tokens, Inter, buttons, fields, badges, states). */

.site-body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 0 auto;
  width: min(var(--tk-container), calc(100% - 32px));
  margin: 0 auto;
}

.site-container {
  width: min(var(--tk-container), calc(100% - 32px));
  margin: 0 auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--tk-z-header);
  border-bottom: 1px solid var(--tk-color-line-soft);
  background: rgb(2 13 32 / 94%);
}

@supports (backdrop-filter: blur(1px)) {
  .site-header {
    background: rgb(2 13 32 / 82%);
    backdrop-filter: blur(14px);
  }
}

.site-header__inner {
  display: flex;
  width: min(var(--tk-container), calc(100% - 32px));
  min-height: var(--tk-header-site);
  align-items: center;
  gap: var(--tk-space-6);
  margin: 0 auto;
}

.site-logo {
  display: block;
  flex: none;
  width: 124px;
  border-radius: var(--tk-radius-control);
  transition: opacity var(--tk-motion-default) var(--tk-ease-out), transform var(--tk-motion-default) var(--tk-ease-out);
}

.site-logo img {
  width: 100%;
  height: auto;
}

/* On pages that open with the approved brand banner, the header logo arrives once the banner scrolls away. */
.site-header[data-brand-hidden="true"] .site-logo {
  opacity: 0;
  transform: translateX(-6px);
  pointer-events: none;
}

@media (max-width: 767px) {
  .site-header[data-brand-hidden="true"] .site-logo {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}

.site-nav {
  display: flex;
  gap: var(--tk-space-1);
}

.site-nav a,
.site-link {
  display: inline-flex;
  min-height: var(--tk-touch-target);
  align-items: center;
  padding: 0 var(--tk-space-3);
  border-radius: var(--tk-radius-control);
  color: var(--tk-color-text-secondary);
  font-size: var(--tk-font-size-sm);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--tk-motion-fast), background-color var(--tk-motion-fast);
}

.site-nav a:hover,
.site-link:hover {
  color: var(--tk-color-text);
  background: rgb(13 41 74 / 70%);
}

.site-nav a[aria-current="page"] {
  color: var(--tk-color-cyan);
}

.site-actions {
  display: flex;
  align-items: center;
  gap: var(--tk-space-2);
  margin-left: auto;
}

.site-menu-button {
  display: none;
  width: var(--tk-touch-target);
  height: var(--tk-touch-target);
  align-items: center;
  justify-content: center;
  margin-left: auto;
  border: 1px solid var(--tk-color-border-strong);
  border-radius: var(--tk-radius-control);
  color: var(--tk-color-text);
  background: transparent;
  cursor: pointer;
}

.site-menu-button svg {
  width: 22px;
  height: 22px;
}

.site-menu-button .icon-close,
.site-menu-button[aria-expanded="true"] .icon-open {
  display: none;
}

.site-menu-button[aria-expanded="true"] .icon-close {
  display: block;
}

.site-menu {
  display: none;
  border-top: 1px solid var(--tk-color-line-soft);
  background: var(--tk-color-canvas);
}

.site-menu a {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(16px, calc((100% - var(--tk-container)) / 2));
  border-bottom: 1px solid var(--tk-color-line-soft);
  color: var(--tk-color-text);
  font-weight: 600;
  text-decoration: none;
}

.site-menu a span {
  color: var(--tk-color-text-muted);
}

@media (max-width: 859px) {
  .site-nav,
  .site-actions {
    display: none;
  }
  .site-menu-button {
    display: inline-flex;
  }
  .site-menu:not([hidden]) {
    display: block;
    animation: site-menu-in var(--tk-motion-default) var(--tk-ease-out) both;
  }
  .site-logo {
    width: 112px;
  }
  .site-header__inner {
    min-height: 60px;
  }
}

@keyframes site-menu-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Page heading used by customer utility pages ---------- */
.page-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: var(--tk-space-8);
  align-items: end;
  padding: clamp(32px, 6vw, 72px) 0 var(--tk-space-8);
}

.page-intro h1 {
  margin: var(--tk-space-3) 0;
  font-size: var(--tk-font-size-display);
  line-height: 1;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-intro p {
  margin: 0;
  max-width: 60ch;
  color: var(--tk-color-text-secondary);
  font-size: var(--tk-font-size-md);
  line-height: 1.65;
}

.page-note {
  padding: var(--tk-space-5);
  border: 1px solid #178f5a;
  border-radius: var(--tk-radius-card);
  color: #c9f8e8;
  background: rgb(7 60 42 / 55%);
  line-height: 1.55;
}

.back-link {
  display: inline-flex;
  min-height: var(--tk-touch-target);
  align-items: center;
  gap: var(--tk-space-2);
  margin-top: var(--tk-space-4);
  color: var(--tk-color-text-secondary);
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover {
  color: var(--tk-color-cyan);
}

@media (max-width: 799px) {
  .page-intro {
    grid-template-columns: 1fr;
    gap: var(--tk-space-5);
  }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--tk-space-20);
  border-top: 1px solid var(--tk-color-line-soft);
  background: rgb(2 8 20 / 70%);
}

.site-footer__inner {
  display: grid;
  width: min(var(--tk-container), calc(100% - 32px));
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr));
  gap: var(--tk-space-8);
  margin: 0 auto;
  padding: var(--tk-space-10) 0 var(--tk-space-8);
}

.site-footer img {
  width: 128px;
  height: auto;
  margin-bottom: var(--tk-space-3);
}

.site-footer h2 {
  margin: 0 0 var(--tk-space-3);
  color: var(--tk-color-text-muted);
  font-size: var(--tk-font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer ul {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  color: var(--tk-color-text-secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--tk-color-cyan);
  text-decoration: underline;
}

.site-footer p {
  max-width: 44ch;
  margin: 0;
  color: var(--tk-color-text-muted);
  font-size: var(--tk-font-size-sm);
  line-height: 1.6;
}

.site-footer__legal {
  width: min(var(--tk-container), calc(100% - 32px));
  margin: 0 auto;
  padding: var(--tk-space-4) 0 var(--tk-space-6);
  border-top: 1px solid var(--tk-color-line-soft);
  color: var(--tk-color-text-muted);
  font-size: var(--tk-font-size-xs);
}

@media (max-width: 799px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer__inner > :first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- Approved brand banner (exact asset, never recreated) ---------- */
.brand-banner {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 2794 / 266;
  max-height: 248px;
  border-bottom: 1px solid #1875b8;
  background: #020f24;
  line-height: 0;
}

.brand-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: auto;
}

@media (max-width: 767px) {
  .brand-banner {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu:not([hidden]) {
    animation: none;
  }
}

.site-footer li a,.site-footer__legal a{display:inline-flex;align-items:center;min-height:44px}
.site-footer p a{display:inline-flex;align-items:center;min-height:44px}