/**
 * HealthN.E.S.S. — Shared page shell (structural foundation)
 * Loads after brand.css so chrome/layout do not depend on Tailwind CDN.
 * No redesign — restores rails, gutters, header/footer alignment, sr-only.
 */

/* --------------------------------------------------------------------------
 * Global containment
 * ------------------------------------------------------------------------ */
html {
  overflow-x: clip;
}

body {
  overflow-x: clip;
  min-width: 0;
}

/* Permanent sr-only — do not rely on Tailwind CDN for this */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Full-bleed helper — never uses ±50vw */
.page-bleed {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-inline: 0;
  padding-inline: 0;
  left: auto;
  right: auto;
}

/* --------------------------------------------------------------------------
 * Fixed header — full viewport width, content aligned to container rail
 * ------------------------------------------------------------------------ */
#mainNav {
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  max-width: none !important;
  margin-inline: 0 !important;
  box-sizing: border-box;
  padding-inline: max(
    var(--space-gutter),
    calc((100vw - var(--width-container-max)) / 2 + var(--space-gutter))
  ) !important;
  background-color: rgba(18, 20, 19, 0.72);
}

body > div.md\:hidden.fixed.top-0,
body > .md\:hidden.fixed {
  left: 0;
  right: 0;
  width: 100%;
  box-sizing: border-box;
  padding-inline: var(--space-gutter) !important;
  background-color: rgba(18, 20, 19, 0.9);
}

main {
  position: relative;
  z-index: 1;
  min-width: 0;
}

/* --------------------------------------------------------------------------
 * Footer rail — align to same axis as header; avoid stretched columns
 * ------------------------------------------------------------------------ */
footer.bg-background > .grid.max-w-container-max,
footer > .max-w-container-max {
  width: 100%;
  max-width: var(--width-container-max);
  margin-inline: auto;
  padding-inline: var(--space-gutter);
  box-sizing: border-box;
  align-items: start;
}

footer .md\:col-span-1.flex.flex-col.justify-between {
  justify-content: flex-start;
}

footer a.bg-primary {
  margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
 * Critical Tailwind chrome fallbacks (if CDN blocked / late)
 * ------------------------------------------------------------------------ */
.hidden {
  display: none !important;
}

@media (min-width: 768px) {
  .md\:hidden {
    display: none !important;
  }

  .md\:flex {
    display: flex !important;
  }

  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .md\:col-span-1 {
    grid-column: span 1 / span 1;
  }

  .md\:col-span-2 {
    grid-column: span 2 / span 2;
  }

  .md\:flex-row {
    flex-direction: row;
  }

  .md\:w-auto {
    width: auto;
  }

  .md\:text-right {
    text-align: right;
  }

  .md\:mb-0 {
    margin-bottom: 0;
  }
}

.flex {
  display: flex;
}

.grid {
  display: grid;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

.gap-12 {
  gap: 3rem;
}

.gap-stack-lg {
  gap: var(--space-stack-lg);
}

.space-y-4 > :not([hidden]) ~ :not([hidden]) {
  margin-top: 1rem;
}

.w-full {
  width: 100%;
}

.max-w-container-max {
  max-width: var(--width-container-max);
}

.mx-auto {
  margin-inline: auto;
}

.px-gutter {
  padding-inline: var(--space-gutter);
}

.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.py-section-gap {
  padding-top: clamp(3rem, 8vw, var(--space-section-gap));
  padding-bottom: clamp(3rem, 8vw, var(--space-section-gap));
}

.fixed {
  position: fixed;
}

.top-0 {
  top: 0;
}

.z-50 {
  z-index: 50;
}

.relative {
  position: relative;
}

.overflow-hidden {
  overflow: hidden;
}

.border-b {
  border-bottom-width: 1px;
  border-bottom-style: solid;
}

.border-t {
  border-top-width: 1px;
  border-top-style: solid;
}

.border-outline-variant\/20 {
  border-color: rgba(77, 70, 53, 0.2);
}

.border-outline-variant\/30 {
  border-color: rgba(77, 70, 53, 0.3);
}

.bg-background {
  background-color: var(--color-background);
}

.bg-transparent {
  background-color: transparent;
}

.backdrop-blur-md {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.text-on-background {
  color: var(--color-on-background);
}

.text-on-surface-variant {
  color: var(--color-on-surface-variant);
}

.text-primary {
  color: var(--color-primary);
}

.antialiased {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Homepage contact — keep content above atmosphere, inside rail */
#contact.chapter {
  position: relative;
  isolation: isolate;
}

#contact.chapter > .relative.z-10 {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--width-container-max);
  margin-inline: auto;
  box-sizing: border-box;
}

/* Contact page form stays in split column with gutters */
.contact-page main {
  max-width: none;
  padding-inline: 0;
}

.contact-split {
  width: 100%;
  max-width: none;
}