/*
 * Shared public-site shell.
 *
 * Load this after home.css or solden-landing.css. The shell selectors below
 * intentionally own the public header, mobile navigation, and footer so every
 * page presents the same Solden frame while page-specific CSS remains local.
 */

:root {
  --cl-navy: #001137;
  --cl-teal-500: #18bfb0;
  --cl-teal-400: #1fc7b6;
  --cl-teal-600: #12b3a6;
  --cl-teal-soft: #ddf7f3;
  --cl-danger: #dc2626;
  --cl-bg: #fbf9f6;
  --cl-bg-deep: #f4f0ea;
  --cl-surface: #ffffff;
  --cl-border: #e9e2d6;
  --cl-border-strong: #d7cdbe;
  --cl-ink-primary: #001137;
  --cl-ink-secondary: #44403c;
  --cl-ink-muted: #78716c;
  --line-on-navy: rgba(255, 255, 255, 0.16);
  --line-on-navy-soft: rgba(255, 255, 255, 0.09);
  --white-72: rgba(255, 255, 255, 0.72);
  --white-84: rgba(255, 255, 255, 0.84);
  --font-marketing: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-interface: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans: var(--font-marketing);
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --page-pad: clamp(20px, 3vw, 48px);

  /* Bring legacy subpage content onto the current Solden palette. */
  --paper: var(--cl-bg);
  --paper-2: var(--cl-bg-deep);
  --ink: var(--cl-ink-primary);
  --ink-2: var(--cl-ink-secondary);
  --ink-3: var(--cl-ink-muted);
  --rule: var(--cl-border);
  --rule-2: rgba(0, 17, 55, 0.08);
  --accent: var(--cl-teal-500);
  --accent-ink: var(--cl-navy);
  --dark: var(--cl-navy);
  --dark-line: var(--line-on-navy);
  --sans: var(--font-marketing);
  --mono: var(--font-mono);
}

html {
  scroll-padding-top: 76px;
}

body.nav-open {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

.site-header button,
.site-header a,
.site-footer a {
  -webkit-tap-highlight-color: transparent;
}

.site-header button {
  color: inherit;
  font: inherit;
}

.site-header a,
.site-footer a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--cl-navy);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--cl-teal-400);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 11px 14px;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--cl-surface);
  color: var(--cl-navy);
  font-weight: 700;
  transition: transform 140ms ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border: 0;
  background: var(--cl-navy);
  color: var(--cl-surface);
  backdrop-filter: none;
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(28px, 3vw, 44px);
  width: min(calc(100% - (2 * var(--page-pad))), 1100px);
  min-height: 76px;
  margin: 0 auto;
  padding: 0;
}

.site-header .brand,
.site-footer .brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: max-content;
  min-height: 44px;
  margin: 0;
  color: var(--cl-surface);
}

.site-header .brand .brand-mark,
.site-footer .brand .brand-mark {
  display: block;
  width: 27px;
  height: 27px;
  object-fit: contain;
  filter: grayscale(1) brightness(0) invert(1);
}

.site-header .brand .brand-word,
.site-footer .brand .brand-word {
  color: inherit;
  font-family: var(--font-interface);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  text-transform: lowercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(24px, 2.25vw, 34px);
  color: var(--white-84);
  font-family: var(--font-marketing);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
}

.primary-nav a,
.header-cta {
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--cl-teal-500);
  content: "";
  transition: transform 140ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"] {
  color: var(--cl-surface);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-on-navy);
  border-radius: 6px;
  background: transparent;
  color: var(--cl-surface);
  font-family: var(--font-marketing);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

.header-cta:hover,
.header-cta:focus-visible {
  border-color: var(--cl-teal-500);
  background: rgba(24, 191, 176, 0.1);
  color: var(--cl-surface);
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.menu-toggle {
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-on-navy);
  border-radius: 6px;
  background: transparent;
  color: var(--cl-surface);
  cursor: pointer;
}

.menu-toggle > span,
.menu-toggle > span::before,
.menu-toggle > span::after {
  width: 18px;
  height: 1px;
  background: currentColor;
}

.menu-toggle > span {
  position: relative;
  transition: background-color 140ms ease;
}

.menu-toggle > span::before,
.menu-toggle > span::after {
  position: absolute;
  left: 0;
  content: "";
  transition: top 140ms ease, transform 140ms ease;
}

.menu-toggle > span::before {
  top: -6px;
}

.menu-toggle > span::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] > span {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] > span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] > span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Fixed-header clearance for every non-home public page. */
.subpage-main {
  padding-top: 76px;
}

/* Legacy pages forced uppercase with page-specific selectors. */
.subpage-main h1 {
  text-transform: none;
}

/* Retire the legacy editorial ornament and action styling on subpages. */
.subpage-main .btn,
.subpage-main .submit {
  min-height: 44px;
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
}

.subpage-main .phero .btn-solid,
.subpage-main .cta .btn-solid,
.subpage-main .close .btn-acc,
.subpage-main .submit {
  border-color: var(--cl-teal-500);
  background: var(--cl-teal-500);
  color: var(--cl-navy);
}

.subpage-main .phero .btn-solid:hover,
.subpage-main .phero .btn-solid:focus-visible,
.subpage-main .cta .btn-solid:hover,
.subpage-main .cta .btn-solid:focus-visible,
.subpage-main .close .btn-acc:hover,
.subpage-main .close .btn-acc:focus-visible,
.subpage-main .submit:hover,
.subpage-main .submit:focus-visible {
  border-color: var(--cl-teal-400);
  background: var(--cl-teal-400);
  color: var(--cl-navy);
}

.subpage-main .form-card .fh,
.subpage-main .done .back {
  letter-spacing: 0;
  text-transform: none;
}

.prog {
  top: 76px;
}

.site-footer {
  padding: 72px var(--page-pad) 28px;
  border: 0;
  background: var(--cl-navy);
  color: var(--cl-surface);
}

.footer-main,
.footer-base {
  width: min(100%, 1180px);
  margin-inline: auto;
}

.footer-main {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 52px;
}

.footer-brand p {
  max-width: none;
  margin-top: 22px;
  color: var(--white-72);
  font-family: var(--font-marketing);
  font-size: 15px;
  line-height: 1.5;
}

.footer-social {
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
  margin: 0;
}

.footer-social a {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line-on-navy);
  border-radius: 6px;
  color: var(--white-84);
  transition: color 140ms ease, border-color 140ms ease;
}

.footer-social a:hover,
.footer-social a:focus-visible {
  border-color: var(--cl-teal-400);
  color: var(--cl-teal-400);
}

.footer-base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line-on-navy);
  color: var(--white-72);
  font-family: var(--font-marketing);
  font-size: 11px;
  letter-spacing: 0.03em;
  line-height: 1.5;
  text-transform: uppercase;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-legal a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--white-84);
  transition: color 140ms ease;
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--cl-teal-400);
}

@media (max-width: 940px) {
  html {
    scroll-padding-top: 64px;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
    gap: 10px;
    min-height: 64px;
  }

  .primary-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-nav:not([hidden]) {
    position: fixed;
    inset: 64px 0 0;
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
    align-content: start;
    max-height: none;
    padding: 8px var(--page-pad) max(24px, env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    border-top: 1px solid var(--line-on-navy-soft);
    background: var(--cl-navy);
  }

  .mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 54px;
    padding: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-on-navy);
    color: var(--cl-surface);
    font-family: var(--font-marketing);
    font-size: 14px;
    font-weight: 600;
  }

  .mobile-nav a[aria-current="page"] {
    color: var(--cl-teal-400);
  }

  .mobile-nav .mobile-nav-cta {
    justify-content: center;
    min-height: 46px;
    margin-top: 10px;
    border: 1px solid var(--cl-teal-500);
    border-radius: 6px;
    background: var(--cl-teal-500);
    color: var(--cl-navy);
    font-weight: 700;
  }

  .subpage-main {
    padding-top: 64px;
  }

  .prog {
    top: 64px;
  }
}

@media (max-width: 720px) {
  .footer-main {
    align-items: stretch;
    flex-direction: column;
    gap: 28px;
  }

  .footer-social {
    align-self: flex-end;
  }

  .footer-base {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .skip-link,
  .primary-nav a,
  .primary-nav a::after,
  .header-cta,
  .menu-toggle > span,
  .menu-toggle > span::before,
  .menu-toggle > span::after,
  .footer-social a,
  .footer-legal a {
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .header-cta,
  .menu-toggle,
  .mobile-nav .mobile-nav-cta,
  .footer-social a {
    border: 1px solid CanvasText;
  }
}