/*
====================================================================
TEMPORAL 3000 / TT-OS WEBSITE CONTENT DISPLAY CONSTITUTION v001
Applies to public TT-OS static pages.
====================================================================
*/

:root {
  --ttos-space-xs: 0.5rem;
  --ttos-space-sm: 1rem;
  --ttos-space-md: 1.5rem;
  --ttos-space-lg: 2.75rem;
  --ttos-space-xl: 4rem;
  --ttos-space-xxl: 5.5rem;

  --ttos-line-text: 1.72;
  --ttos-line-heading: 1.18;

  --ttos-bg: #FCFCFA;
  --ttos-ink: #1C1D1F;
  --ttos-muted: #4A4B4D;
  --ttos-green: #1e3d2b;
  --ttos-deep-green: #171B14;
  --ttos-card-green: #243929;
  --ttos-cream: #F4EAD5;
  --ttos-line: #E4E5E0;
  --ttos-light: #F7F2E7;
  --ttos-gold: #C9A35C;

  --ttos-measure: 900px;
  --ttos-wide: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: var(--ttos-line-text);
  text-rendering: optimizeLegibility;
}

main {
  padding-top: var(--ttos-xl, 4rem);
  padding-bottom: var(--ttos-xl, 4rem);
}

p,
ul,
ol,
table,
pre,
blockquote,
.notice,
.card,
.ttos-card,
.method-box,
.protocol-box {
  margin-top: 0;
  margin-bottom: var(--ttos-space-md);
}

p,
li,
td {
  line-height: var(--ttos-line-text);
}

li {
  margin-bottom: var(--ttos-space-xs);
}

h1,
h2,
h3,
h4 {
  line-height: var(--ttos-line-heading);
  color: inherit;
}

h1 {
  margin-top: 0;
  margin-bottom: var(--ttos-space-md);
}

h2 {
  margin-top: var(--ttos-space-xl);
  margin-bottom: var(--ttos-space-sm);
  padding-bottom: var(--ttos-space-xs);
  border-bottom: 1px solid rgba(30, 61, 43, 0.15);
}

h3 {
  margin-top: var(--ttos-space-lg);
  margin-bottom: var(--ttos-space-xs);
}

h4 {
  margin-top: var(--ttos-space-md);
  margin-bottom: var(--ttos-space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

section {
  margin-top: var(--ttos-space-xl);
}

section:first-of-type {
  margin-top: var(--ttos-space-lg);
}

table {
  border-spacing: 0;
}

td,
th {
  line-height: 1.55;
}

pre {
  line-height: 1.55;
  white-space: pre-wrap;
}

main,
.page-shell,
.container,
.ttos-document,
.ttos-page {
  max-width: var(--ttos-wide);
}

.ttos-readable,
article,
.longform {
  max-width: var(--ttos-measure);
}

.card,
.ttos-card,
.notice,
.method-box,
.protocol-box {
  padding: 1.35rem;
}

.grid {
  gap: 1.35rem;
}

.site-nav,
.top-nav,
nav[aria-label="Primary navigation"] {
  padding-top: var(--ttos-space-md);
  padding-bottom: var(--ttos-space-md);
  margin-bottom: var(--ttos-space-xl);
  border-bottom: 1px solid rgba(30, 61, 43, 0.14);
}

footer,
.ttos-footer {
  margin-top: var(--ttos-space-xl);
  padding-top: var(--ttos-space-lg);
  padding-bottom: var(--ttos-space-lg);
  border-top: 1px solid rgba(30, 61, 43, 0.14);
}

/*
====================================================================
OBSERVATORY COLOUR CORRECTION
This only targets the Observatory static page route/body where possible.
It is intentionally stronger because the cream block has resisted earlier
component-level fixes.
====================================================================
*/

body.ttos-observatory-page,
body.observatory-page {
  background: var(--ttos-deep-green) !important;
  color: var(--ttos-light) !important;
}

body.ttos-observatory-page main,
body.observatory-page main,
body.ttos-observatory-page .observatory-wrapper,
body.observatory-page .observatory-wrapper,
body.ttos-observatory-page #observatory,
body.observatory-page #observatory,
body.ttos-observatory-page .main-content,
body.observatory-page .main-content {
  background: var(--ttos-deep-green) !important;
  color: var(--ttos-light) !important;
}

body.ttos-observatory-page section,
body.observatory-page section,
body.ttos-observatory-page .section,
body.observatory-page .section {
  background-color: transparent !important;
}

body.ttos-observatory-page .bg-cream,
body.observatory-page .bg-cream,
body.ttos-observatory-page .cream,
body.observatory-page .cream,
body.ttos-observatory-page [style*="#F4EAD5"],
body.observatory-page [style*="#F4EAD5"],
body.ttos-observatory-page [style*="#f4ead5"],
body.observatory-page [style*="#f4ead5"],
body.ttos-observatory-page [style*="#fbfaf7"],
body.observatory-page [style*="#fbfaf7"],
body.ttos-observatory-page [style*="cream"],
body.observatory-page [style*="cream"] {
  background: var(--ttos-card-green) !important;
  background-color: var(--ttos-card-green) !important;
  color: var(--ttos-light) !important;
}

body.ttos-observatory-page p,
body.ttos-observatory-page li,
body.ttos-observatory-page td,
body.observatory-page p,
body.observatory-page li,
body.observatory-page td {
  color: rgba(247, 242, 231, 0.84) !important;
}

body.ttos-observatory-page h1,
body.ttos-observatory-page h2,
body.ttos-observatory-page h3,
body.observatory-page h1,
body.observatory-page h2,
body.observatory-page h3 {
  color: var(--ttos-light) !important;
}

body.ttos-observatory-page a,
body.observatory-page a {
  color: var(--ttos-gold) !important;
}

@media (max-width: 760px) {
  main {
    padding-top: 2.75rem;
    padding-bottom: 3.25rem;
  }

  h2 {
    margin-top: 3rem;
  }

  .grid {
    gap: 1rem;
  }
}