/* Hallmark full app brand; theme: ExoBridge; scope: app; copy: verbatim; posture: restrained; nav: existing 11 destinations; footer: colophon. */
/* Critique: scientific data needs a stable reading scale and clear focus before decorative effects. */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scrollbar-color: var(--color-muted) var(--color-paper-2); scroll-padding-top: var(--space-lg); }
body { margin: 0; background: var(--color-paper-2); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-md); line-height: 1.6; -webkit-font-smoothing: antialiased; caret-color: var(--color-accent); }
::selection { background: var(--color-accent-soft); color: var(--color-ink); }
:focus-visible { outline: var(--rule-strong) solid var(--color-focus); outline-offset: var(--space-3xs); }
a { color: var(--color-accent); text-decoration-thickness: var(--rule-hair); text-underline-offset: .18em; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: var(--display-weight); letter-spacing: var(--tracking-display); line-height: 1.3; overflow-wrap: break-word; min-width: 0; }
h1 { font-size: var(--text-display); } h2 { font-size: var(--text-section); } h3 { font-size: var(--text-title); } h4 { font-size: var(--text-sm); }
p { margin: 0; } .lead { max-width: var(--content-measure); font-size: var(--text-lead); }
img, video { max-width: 100%; height: auto; display: block; } svg { display: block; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
button, select, summary { -webkit-tap-highlight-color: transparent; }
button, summary { cursor: pointer; }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.num, .figure, td.num { font-variant-numeric: tabular-nums; }
.visually-hidden { position: absolute; width: var(--rule-hair); height: var(--rule-hair); overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (max-width: 60rem) { :root { --gutter: 24px; --gap-columns: 24px; } }
@media (max-width: 40rem) { :root { --gutter: 16px; --gap-columns: 16px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }