/* BRAND_CORE_RD.xlsx / 42_BRAND_TYPOGRAPHY, 43_BRAND_COLOR_PALETTE. Fonts are served from this site, never from a
   third party, so reading a page tells nobody else that it was read. BDM_08: the site follows the reader's setting. */
@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/IBMPlexSans_400Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/IBMPlexSans_500Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
:root { --base: #ECEAE6; --raised: #F5F3EF; --text: #1F2124; --muted: #5A5E63; --line: #D6D3CE; --heather: #5B5282; }
@media (prefers-color-scheme: dark) { :root { --base: #1F2124; --raised: #2A2D31; --text: #E4E2DD; --muted: #A9ABAE; --line: #3A3D42; --heather: #ABA3CC; } }
* { box-sizing: border-box; }
html { background: var(--base); }
body { margin: 0; font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif; font-weight: 400; font-size: 17px; line-height: 1.5; color: var(--text); background: var(--base); }
main { max-width: 38rem; margin: 0 auto; padding: 3rem 1.5rem 4rem; }
header { max-width: 38rem; margin: 0 auto; padding: 1.5rem 1.5rem 0; display: flex; justify-content: space-between; align-items: baseline; }
.wordmark { font-weight: 500; font-size: 1.45rem; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
nav a { color: var(--muted); margin-inline-start: 1.25rem; font-size: 0.9rem; }
h1 { font-weight: 500; font-size: 1.75rem; line-height: 1.3; margin: 0 0 1rem; }
h2 { font-weight: 500; font-size: 1.2rem; margin: 2.25rem 0 0.5rem; }
p, li { max-width: 36rem; }
a { color: var(--heather); text-underline-offset: 3px; }
.muted { color: var(--muted); font-size: 0.9rem; }
.draft { border: 1px solid var(--heather); padding: 0.75rem 1rem; border-radius: 10px; color: var(--muted); font-size: 0.9rem; }
footer { max-width: 38rem; margin: 0 auto; padding: 0 1.5rem 3rem; color: var(--muted); font-size: 0.85rem; }

/* Sources page */
ul.sources { padding-inline-start: 1.1rem; }
ul.sources li { margin-block: 0.45rem; line-height: 1.5; }
.flag { color: var(--muted); font-size: 0.9em; margin-inline-start: 0.35rem; }

/* A643: the language line on legal pages */
.langs { color: var(--muted); font-size: 0.9rem; }
.langs a[aria-current] { color: var(--text); text-decoration: none; }

/* A643: Arabic-script and Devanagari pages, with fonts served from this site like the rest */
@font-face { font-family: "IBM Plex Sans Arabic"; src: url("/fonts/IBMPlexSansArabic_400Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans Arabic"; src: url("/fonts/IBMPlexSansArabic_500Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Sans Devanagari"; src: url("/fonts/IBMPlexSansDevanagari_400Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans Devanagari"; src: url("/fonts/IBMPlexSansDevanagari_500Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
html:lang(ar) body, html:lang(ur) body { font-family: "IBM Plex Sans Arabic", "IBM Plex Sans", system-ui, sans-serif; line-height: 1.8; }
html:lang(hi) body { font-family: "IBM Plex Sans Devanagari", "IBM Plex Sans", system-ui, sans-serif; line-height: 1.7; }