@charset "utf-8";

/* ==========================================================================
   Insanely Digital — site stylesheet
   Dedicated to the restoration of vintage Apple computer technology.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Fonts (self-hosted, no external requests)
   -------------------------------------------------------------------------- */

@font-face {
	font-family: "Source Serif";
	src: url("/assets/fonts/source-serif-roman.woff2") format("woff2");
	font-weight: 200 900;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: "Source Serif";
	src: url("/assets/fonts/source-serif-italic.woff2") format("woff2");
	font-weight: 200 900;
	font-style: italic;
	font-display: swap;
}
@font-face {
	font-family: "DM Sans";
	src: url("/assets/fonts/dmsans-regular.woff2") format("woff2");
	font-weight: 400;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: "DM Sans";
	src: url("/assets/fonts/dmsans-bold.woff2") format("woff2");
	font-weight: 700;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: "Plex Mono";
	src: url("/assets/fonts/plexmono-regular.woff2") format("woff2");
	font-weight: 400;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: "Plex Mono";
	src: url("/assets/fonts/plexmono-bold.woff2") format("woff2");
	font-weight: 700;
	font-style: normal;
	font-display: swap;
}

/* --------------------------------------------------------------------------
   2. Design tokens
   -------------------------------------------------------------------------- */

:root {
	--font-sans:  "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-serif: "Source Serif", "Iowan Old Style", Palatino, Georgia, serif;
	--font-mono:  "Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

	--bg:        #ffffff;
	--bg-sunk:   #f5f7f1;
	--bg-raised: #ffffff;

	--ink:       #14180f;
	--ink-soft:  #515a48;
	--ink-faint: #7c8571;

	--rule:      #e2e6da;
	--rule-firm: #c9cfbe;

	--accent:        #345c00;
	--accent-hover:  #223d00;
	--accent-bright: #9dff20;
	--on-bright:     #14180f;

	/* byte-field palette, shared by the article diagrams */
	--c-key:  #345c00;
	--c-res:  #6b7280;
	--c-cnid: #1f6feb;
	--c-nlen: #b45309;
	--c-name: #7a1fa2;
	--c-cr:   #cf2e2e;
	--c-type: #0f766e;

	--measure: 40rem;
	--wide:    52rem;
	--shell:   74rem;

	--radius: 10px;
	--shadow: 0 1px 2px rgb(20 24 15 / 6%), 0 8px 24px -12px rgb(20 24 15 / 18%);
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--bg:        #0f1210;
		--bg-sunk:   #171c15;
		--bg-raised: #161a14;

		--ink:       #e9ede3;
		--ink-soft:  #a6b099;
		--ink-faint: #7d8873;

		--rule:      #29301f;
		--rule-firm: #3a432e;

		--accent:        #b6f34a;
		--accent-hover:  #d2ff86;
		--accent-bright: #9dff20;
		--on-bright:     #14180f;

		--c-key:  #a8e05f;
		--c-res:  #9aa3ae;
		--c-cnid: #6aa6ff;
		--c-nlen: #e0a458;
		--c-name: #c98fe0;
		--c-cr:   #ff8a8a;
		--c-type: #5fc9bd;

		--shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 24px -12px rgb(0 0 0 / 60%);
	}
}

/* explicit dark choice wins over a light OS setting */
:root[data-theme="dark"] {
	--bg:        #0f1210;
	--bg-sunk:   #171c15;
	--bg-raised: #161a14;

	--ink:       #e9ede3;
	--ink-soft:  #a6b099;
	--ink-faint: #7d8873;

	--rule:      #29301f;
	--rule-firm: #3a432e;

	--accent:        #b6f34a;
	--accent-hover:  #d2ff86;
	--accent-bright: #9dff20;
	--on-bright:     #14180f;

	--c-key:  #a8e05f;
	--c-res:  #9aa3ae;
	--c-cnid: #6aa6ff;
	--c-nlen: #e0a458;
	--c-name: #c98fe0;
	--c-cr:   #ff8a8a;
	--c-type: #5fc9bd;

	--shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 24px -12px rgb(0 0 0 / 60%);
}

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	* { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--font-sans);
	font-size: 1.0625rem;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

a {
	color: var(--accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}
a:hover { color: var(--accent-hover); }

:focus-visible {
	outline: 3px solid var(--accent-bright);
	outline-offset: 2px;
	border-radius: 2px;
}

code, kbd, samp, pre { font-family: var(--font-mono); font-size: 0.9em; }

code {
	background: var(--bg-sunk);
	border: 1px solid var(--rule);
	border-radius: 4px;
	padding: 0.08em 0.34em;
	white-space: nowrap;
}

hr {
	border: 0;
	border-top: 1px solid var(--rule);
	margin: 3rem 0;
}

.visually-hidden {
	position: absolute; width: 1px; height: 1px;
	padding: 0; margin: -1px; overflow: hidden;
	clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
	position: absolute; left: -9999px;
	background: var(--accent-bright); color: var(--on-bright);
	padding: 0.6rem 1rem; font-weight: 700; z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* --------------------------------------------------------------------------
   4. Shell
   -------------------------------------------------------------------------- */

.shell {
	width: 100%;
	max-width: var(--shell);
	margin-inline: auto;
	padding-inline: clamp(1.15rem, 4vw, 2.5rem);
}

.site-header {
	border-bottom: 1px solid var(--rule);
	background: var(--bg);
	position: relative;
}
/* a very quiet nod to Platinum pinstripes */
.site-header::after {
	content: "";
	position: absolute; inset-inline: 0; bottom: -1px; height: 3px;
	background: repeating-linear-gradient(
		to bottom,
		var(--accent-bright) 0 1px,
		transparent 1px 3px
	);
	opacity: 0.5;
}

.masthead {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	flex-wrap: wrap;
	padding-block: 1.15rem;
}

.wordmark {
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: 1.2rem;
	letter-spacing: -0.015em;
	color: var(--ink);
	text-decoration: none;
	display: inline-flex;
	align-items: baseline;
	gap: 0.1rem;
}
.wordmark:hover { color: var(--ink); }
.wordmark .dot {
	width: 0.55rem; height: 0.55rem;
	background: var(--accent-bright);
	border-radius: 2px;
	display: inline-block;
	margin-left: 0.35rem;
	transform: translateY(-0.02em);
}

.site-nav ul {
	list-style: none;
	display: flex;
	gap: clamp(0.9rem, 3vw, 1.9rem);
	margin: 0;
	padding: 0;
	flex-wrap: wrap;
}
.site-nav a {
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--ink-soft);
	text-decoration: none;
	padding-block: 0.2rem;
	border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--accent-bright); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent-bright); }

.site-footer {
	margin-top: 5rem;
	border-top: 1px solid var(--rule);
	padding-block: 2rem 3rem;
	color: var(--ink-faint);
	font-size: 0.9rem;
}
.site-footer .shell {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
}
.site-footer a { color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   5. Home
   -------------------------------------------------------------------------- */

.hero {
	padding-block: clamp(3rem, 9vw, 6rem) clamp(2rem, 5vw, 3.5rem);
	border-bottom: 1px solid var(--rule);
}
.hero h1 {
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: clamp(2.4rem, 7vw, 4.25rem);
	line-height: 1.02;
	letter-spacing: -0.035em;
	margin: 0 0 1rem;
	max-width: 18ch;
}
.hero p {
	font-family: var(--font-serif);
	font-size: clamp(1.15rem, 2.4vw, 1.4rem);
	color: var(--ink-soft);
	margin: 0;
	max-width: 46ch;
	line-height: 1.45;
}
.hero .rule {
	width: 4.5rem; height: 6px;
	background: var(--accent-bright);
	border-radius: 2px;
	margin-bottom: 2rem;
}

.section-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 1rem;
	margin: clamp(2.5rem, 6vw, 4rem) 0 1.75rem;
}
.section-head h2 {
	font-size: 0.8125rem;
	font-weight: 700;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin: 0;
}

.post-grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: clamp(1.75rem, 4vw, 2.75rem);
	grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
}

.card {
	display: flex;
	flex-direction: column;
	background: var(--bg-raised);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	overflow: hidden;
	transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow);
	border-color: var(--rule-firm);
}
.card-media {
	display: block;
	background: var(--bg-sunk);
	border-bottom: 1px solid var(--rule);
	aspect-ratio: 1200 / 628;
	overflow: hidden;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 1.4rem 1.4rem 1.6rem; display: flex; flex-direction: column; flex: 1; }

.card h3 {
	font-size: 1.3rem;
	line-height: 1.22;
	letter-spacing: -0.02em;
	margin: 0 0 0.6rem;
}
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent-bright); }

.card p {
	font-family: var(--font-serif);
	color: var(--ink-soft);
	margin: 0 0 1.2rem;
	font-size: 1.02rem;
	line-height: 1.5;
}

.meta {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin-top: auto;
	display: flex;
	gap: 0.65rem;
	flex-wrap: wrap;
	align-items: center;
}
.meta .sep { opacity: 0.45; }

/* --------------------------------------------------------------------------
   6. Article
   -------------------------------------------------------------------------- */

.post-header {
	padding-block: clamp(2.5rem, 6vw, 4rem) 0;
}
.post-header .kicker {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--accent);
	margin: 0 0 1rem;
}
.post-header h1 {
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: clamp(2.1rem, 5.4vw, 3.4rem);
	line-height: 1.06;
	letter-spacing: -0.032em;
	margin: 0;
	max-width: 20ch;
}
.post-header .standfirst {
	font-family: var(--font-serif);
	font-size: clamp(1.15rem, 2.3vw, 1.4rem);
	line-height: 1.45;
	color: var(--ink-soft);
	margin: 1.15rem 0 0;
	max-width: 48ch;
}
.post-header .meta { margin: 1.75rem 0 0; }

.post-hero {
	margin: clamp(2rem, 5vw, 3rem) 0 0;
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	overflow: hidden;
	background: var(--bg-sunk);
}
.post-hero img { width: 100%; }

.prose {
	max-width: var(--measure);
	margin-inline: auto;
	padding-block: clamp(2.25rem, 5vw, 3.25rem) 0;
	font-family: var(--font-serif);
	font-size: 1.1875rem;
	line-height: 1.68;
}
.prose > * { margin-block: 0 1.35em; }
.prose > *:last-child { margin-bottom: 0; }

.prose h2 {
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: clamp(1.45rem, 3.2vw, 1.85rem);
	line-height: 1.18;
	letter-spacing: -0.022em;
	margin-block: 2.4em 0.7em;
}
.prose h2::before {
	content: "";
	display: block;
	width: 2.25rem; height: 4px;
	background: var(--accent-bright);
	border-radius: 2px;
	margin-bottom: 0.9rem;
}
.prose h3 {
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: 1.2rem;
	letter-spacing: -0.015em;
	margin-block: 2em 0.6em;
}

.prose strong { font-weight: 700; color: var(--ink); }

.prose blockquote {
	margin: 2em 0;
	padding: 0.2em 0 0.2em 1.4rem;
	border-left: 4px solid var(--accent-bright);
	color: var(--ink-soft);
	font-size: 1.06rem;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose blockquote cite {
	display: block;
	margin-top: 0.8em;
	font-family: var(--font-mono);
	font-size: 0.8rem;
	font-style: normal;
	letter-spacing: 0.04em;
	color: var(--ink-faint);
}

.prose ul, .prose ol { padding-left: 1.35em; }
.prose li { margin-bottom: 0.5em; }
.prose li::marker { color: var(--ink-faint); }

.prose figure { margin: 2.4em 0; }
.prose figure img { border: 1px solid var(--rule); border-radius: var(--radius); }
.prose figcaption {
	font-family: var(--font-sans);
	font-size: 0.875rem;
	line-height: 1.45;
	color: var(--ink-faint);
	margin-top: 0.85em;
}

.prose .embed {
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--rule);
}
.prose .embed iframe {
	position: absolute; inset: 0;
	width: 100%; height: 100%; border: 0;
}

/* figures may break out past the measure */
.breakout {
	width: min(var(--wide), calc(100vw - 2.3rem));
	margin-inline: calc(50% - min(var(--wide), calc(100vw - 2.3rem)) / 2);
}

.post-footer {
	max-width: var(--measure);
	margin: 3.5rem auto 0;
	padding-top: 1.75rem;
	border-top: 1px solid var(--rule);
}
.tag-list {
	list-style: none; display: flex; flex-wrap: wrap;
	gap: 0.5rem; padding: 0; margin: 0.85rem 0 0;
}
.tag-list li {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	letter-spacing: 0.03em;
	color: var(--ink-soft);
	background: var(--bg-sunk);
	border: 1px solid var(--rule);
	border-radius: 999px;
	padding: 0.22rem 0.7rem;
}
.tag-list li a { color: inherit; text-decoration: none; }
.tag-list li a:hover { color: var(--accent); }

.post-footer .label {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin: 0;
}

/* --------------------------------------------------------------------------
   7. Article diagrams  (.idf — insanely digital figure)
   -------------------------------------------------------------------------- */

.idf {
	margin: 2.6em 0;
	padding: clamp(1.15rem, 3vw, 1.9rem);
	background: var(--bg-sunk);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	font-family: var(--font-sans);
	font-size: 1rem;
}
.idf figcaption {
	font-size: 0.85rem;
	color: var(--ink-faint);
	margin-top: 1.1rem;
	padding-top: 0.9rem;
	border-top: 1px dashed var(--rule-firm);
}
.idf code {
	background: transparent;
	border: 0;
	padding: 0;
	font-size: 0.95em;
}

/* 7a. keyboard / untypeable */
.idf-keyrow {
	display: flex;
	align-items: stretch;
	gap: clamp(0.8rem, 2.5vw, 1.5rem);
	flex-wrap: wrap;
}
.idf-field {
	flex: 1 1 14rem;
	background: var(--bg-raised);
	border: 2px solid var(--rule-firm);
	border-radius: 6px;
	padding: 0.7rem 0.9rem;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	justify-content: center;
}
.idf-fieldlabel {
	font-family: var(--font-mono);
	font-size: 0.68rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-faint);
}
.idf-fieldtext {
	font-family: var(--font-mono);
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--ink);
	display: inline-flex;
	align-items: center;
}
.idf-caret {
	display: inline-block;
	width: 2px;
	height: 1.25em;
	background: var(--accent);
	margin-left: 3px;
	animation: idf-blink 1.1s steps(1) infinite;
}
@keyframes idf-blink { 50% { opacity: 0; } }

.idf-keycap {
	position: relative;
	flex: 0 0 auto;
	min-width: 6.5rem;
	background: var(--bg-raised);
	border: 2px solid var(--rule-firm);
	border-bottom-width: 5px;
	border-radius: 8px;
	padding: 0.7rem 0.9rem;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.15rem;
	color: var(--ink-soft);
}
.idf-keycap-glyph { font-size: 1.5rem; line-height: 1; }
.idf-keycap-name {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}
.idf-keycap-dead { color: var(--c-cr); border-color: var(--c-cr); }
.idf-keycap-dead::after {
	content: "";
	position: absolute;
	inset: -2px;
	background:
		linear-gradient(to bottom right, transparent calc(50% - 1.5px), var(--c-cr) calc(50% - 1.5px) calc(50% + 1.5px), transparent calc(50% + 1.5px));
	border-radius: 8px;
	pointer-events: none;
}
.idf-keynote {
	font-size: 0.95rem;
	color: var(--ink-soft);
	margin: 1.1rem 0 0;
}

/* 7b. the arithmetic */
.idf-sumline {
	display: flex;
	align-items: baseline;
	gap: 0.55rem;
	flex-wrap: wrap;
	font-family: var(--font-mono);
	font-size: clamp(1.6rem, 5vw, 2.4rem);
	font-weight: 700;
	line-height: 1.2;
}
.idf-op { color: var(--ink-faint); font-weight: 400; }
.idf-t-key  { color: var(--c-key); }
.idf-t-res  { color: var(--c-res); }
.idf-t-cnid { color: var(--c-cnid); }
.idf-t-nlen { color: var(--c-nlen); }
.idf-t-name { color: var(--c-name); }

.idf-sumkey {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem 1.1rem;
	margin-top: 1.1rem;
	font-family: var(--font-mono);
	font-size: 0.76rem;
	letter-spacing: 0.03em;
	color: var(--ink-soft);
}
.idf-sumkey span { display: inline-flex; align-items: center; gap: 0.4rem; }
.idf-sw {
	width: 0.6rem; height: 0.6rem;
	border-radius: 2px;
	background: currentColor;
	flex: 0 0 auto;
}

/* 7c. census table */
.idf-table { overflow-x: auto; }
.idf-census {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.95rem;
	min-width: 30rem;
}
.idf-census th, .idf-census td {
	text-align: left;
	padding: 0.62rem 0.9rem 0.62rem 0;
	border-bottom: 1px solid var(--rule);
	vertical-align: baseline;
}
.idf-census thead th {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ink-faint);
	border-bottom-color: var(--rule-firm);
	font-weight: 400;
}
.idf-census td code { font-weight: 700; color: var(--ink); }
.idf-census .idf-num {
	font-family: var(--font-mono);
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	text-align: right;
	padding-right: 1.4rem;
	white-space: nowrap;
}
.idf-census tbody tr:last-child td { border-bottom-color: var(--rule-firm); }
.idf-census .idf-rest td { color: var(--ink-faint); }
.idf-census tfoot td {
	border-bottom: 0;
	padding-top: 0.8rem;
	font-size: 0.85rem;
	color: var(--ink-soft);
}
.idf-census tfoot .idf-num { color: var(--ink); }

/* 7d. localised / untouched split */
.idf-split {
	display: grid;
	gap: clamp(1rem, 3vw, 1.75rem);
	grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.idf-split figcaption { grid-column: 1 / -1; }
.idf-splitcol {
	background: var(--bg-raised);
	border: 1px solid var(--rule);
	border-radius: 8px;
	padding: 1.1rem 1.2rem 1.3rem;
}
.idf-splitcol-fixed { border-color: var(--rule-firm); border-left: 4px solid var(--accent-bright); }
.idf-splithead {
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin: 0 0 0.9rem;
}
.idf-list { list-style: none; margin: 0; padding: 0; }
.idf-list li {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.9rem;
	padding: 0.5rem 0;
	border-bottom: 1px dotted var(--rule);
}
.idf-list li:last-child { border-bottom: 0; }
.idf-ar { font-size: 1.3rem; line-height: 1.5; color: var(--ink); }
.idf-rom {
	font-family: var(--font-mono);
	font-size: 1.02rem;
	font-weight: 700;
	color: var(--ink);
}
.idf-gloss {
	font-size: 0.78rem;
	color: var(--ink-faint);
	text-align: right;
	flex: 0 0 auto;
}

/* 7e. boot block fields */
.idf-bootlist { list-style: none; margin: 0; padding: 0; }
.idf-bootlist li {
	display: grid;
	grid-template-columns: 4.2rem 8.5rem 3.4rem minmax(7rem, 1fr);
	gap: 0.5rem 0.9rem;
	align-items: baseline;
	padding: 0.62rem 0;
	border-bottom: 1px solid var(--rule);
}
.idf-bootlist li:last-child { border-bottom: 0; }
.idf-bootlist .idf-dim, .idf-bootlist li.idf-dim { opacity: 0.72; }
.idf-off {
	font-family: var(--font-mono);
	font-size: 0.85rem;
	color: var(--ink-faint);
}
.idf-fname {
	font-family: var(--font-mono);
	font-size: 0.92rem;
	font-weight: 700;
	color: var(--accent);
}
.idf-ftype {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--ink-faint);
}
.idf-fval {
	font-family: var(--font-mono);
	font-size: 1.02rem;
	font-weight: 700;
	color: var(--ink);
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
}
.idf-fval-sig { color: var(--accent); }
.idf-len {
	font-style: normal;
	font-size: 0.7rem;
	font-weight: 700;
	background: var(--c-nlen);
	color: #fff;
	border-radius: 3px;
	padding: 0.05rem 0.32rem;
}
.idf-fnote {
	grid-column: 2 / -1;
	font-size: 0.78rem;
	color: var(--ink-faint);
}
.idf-bootnote {
	font-size: 0.9rem;
	color: var(--ink-soft);
	margin: 1.1rem 0 0;
}

/* 7f. two kinds of special */
.idf-two {
	display: grid;
	gap: clamp(1rem, 3vw, 1.75rem);
	grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.idf-two figcaption { grid-column: 1 / -1; }
.idf-twocol {
	background: var(--bg-raised);
	border: 1px solid var(--rule);
	border-top: 4px solid var(--accent-bright);
	border-radius: 8px;
	padding: 1.2rem 1.25rem 1.35rem;
	display: flex;
	flex-direction: column;
}
.idf-twohead {
	font-size: 1.02rem;
	font-weight: 700;
	margin: 0 0 0.7rem;
	letter-spacing: -0.01em;
}
.idf-twohead em { color: var(--accent); font-style: italic; }
.idf-twonames {
	font-family: var(--font-mono);
	font-size: 0.92rem;
	margin: 0 0 0.9rem;
	color: var(--ink);
	white-space: nowrap;
	overflow-x: auto;
}
.idf-twobody {
	font-family: var(--font-serif);
	font-size: 1rem;
	line-height: 1.55;
	color: var(--ink-soft);
	margin: 0 0 1.1rem;
}
.idf-twotag {
	margin: auto 0 0;
	font-family: var(--font-mono);
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ink-faint);
	border-top: 1px dashed var(--rule-firm);
	padding-top: 0.75rem;
}

/* --------------------------------------------------------------------------
   8. Simple pages & archives
   -------------------------------------------------------------------------- */

.page-header {
	padding-block: clamp(2.5rem, 6vw, 4rem) 0;
	border-bottom: 1px solid var(--rule);
	padding-bottom: 1.75rem;
}
.page-header h1 {
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: clamp(2rem, 5vw, 3rem);
	line-height: 1.08;
	letter-spacing: -0.03em;
	margin: 0;
}
.page-header .kicker {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--accent);
	margin: 0 0 0.85rem;
}

.archive-list { list-style: none; margin: 2.5rem 0 0; padding: 0; max-width: var(--wide); }
.archive-list li {
	padding: 1.4rem 0;
	border-bottom: 1px solid var(--rule);
}
.archive-list h2 { font-size: 1.35rem; margin: 0 0 0.4rem; letter-spacing: -0.02em; }
.archive-list h2 a { color: var(--ink); text-decoration: none; }
.archive-list h2 a:hover { text-decoration: underline; text-decoration-color: var(--accent-bright); }
.archive-list p { font-family: var(--font-serif); color: var(--ink-soft); margin: 0 0 0.7rem; }

/* --------------------------------------------------------------------------
   9. Narrow screens
   -------------------------------------------------------------------------- */

@media (max-width: 56rem) {
	.breakout { width: 100%; margin-inline: 0; }
}

@media (max-width: 34rem) {
	.masthead { padding-block: 0.9rem; }
	.idf-bootlist li {
		grid-template-columns: 4rem 1fr;
	}
	.idf-bootlist .idf-ftype { display: none; }
	.idf-fnote { grid-column: 2 / -1; }
	.idf-list li { flex-direction: column; align-items: flex-start; gap: 0.15rem; }
	.idf-gloss { text-align: left; }
}