/*
 * site.css - the chippr-2026 components the block editor has no controls for: the gunmetal "die"
 * bands (header, hero, page heads, footer), the project bento, the research cards and the article
 * rail. Approved as the chipprbots.com redesign mockup, 2026-09-15.
 *
 * It states no colour literal (`check-theme.js --colors`). Every colour is a palette preset; shades,
 * borders and glows are color-mix() of a preset with white, black or transparent.
 */

:root {
	--chippr-die: var(--wp--preset--color--gunmetal);
	--chippr-die-raise: color-mix(in srgb, var(--wp--preset--color--gunmetal) 86%, white);
	--chippr-die-line: color-mix(in srgb, var(--wp--preset--color--teal-300) 24%, transparent);
	--chippr-on-die: var(--wp--preset--color--cloud);
	--chippr-on-die-2: color-mix(in srgb, var(--wp--preset--color--teal-100) 82%, var(--wp--preset--color--gunmetal));
	--chippr-glow: var(--wp--preset--color--teal-300);
	--chippr-line: color-mix(in srgb, var(--wp--preset--color--steel) 26%, transparent);
	--chippr-ink-2: var(--wp--preset--color--steel);
	--chippr-radius-lg: 18px;
	--chippr-radius: 12px;
	--chippr-shadow: 0 1px 2px color-mix(in srgb, var(--wp--preset--color--gunmetal) 8%, transparent), 0 18px 40px -22px color-mix(in srgb, var(--wp--preset--color--gunmetal) 42%, transparent);
	--chippr-mono: var(--wp--preset--font-family--mono);
}

body { -webkit-font-smoothing: antialiased; }
h1, h2, h3, .wp-block-post-title { text-wrap: balance; }

.chippr-eyebrow {
	font-family: var(--chippr-mono);
	font-size: 0.78rem;
	font-weight: 500;
	letter-spacing: 0.14em;
	line-height: 1.35;
	text-transform: uppercase;
	color: var(--chippr-ink-2);
	margin: 0;
}

/* ── header: a sticky gunmetal bar ─────────────────────────────────────────────────────────── */

.wp-site-blocks > header.wp-block-template-part {
	position: sticky;
	top: var(--wp-admin--admin-bar--height, 0px);
	z-index: 50;
}
.chippr-bar {
	background: color-mix(in srgb, var(--chippr-die) 94%, transparent);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--chippr-die-line);
	color: var(--chippr-on-die);
}
.chippr-bar .wp-block-site-title a { color: var(--chippr-on-die); text-decoration: none; }
.chippr-bar .wp-block-navigation { color: var(--chippr-on-die-2); font-size: 0.95rem; }
.chippr-bar .wp-block-navigation .wp-block-navigation-item__content {
	padding: 0.55rem 0.8rem;
	border-radius: 999px;
	text-decoration: none;
}
.chippr-bar .wp-block-navigation .wp-block-navigation-item__content:hover,
.chippr-bar .wp-block-navigation [aria-current="page"] {
	color: var(--chippr-on-die);
	background: var(--chippr-die-raise);
}
.chippr-bar .wp-block-navigation:not(.has-background) .wp-block-navigation__submenu-container {
	background: var(--chippr-die);
	color: var(--chippr-on-die-2);
	border: 1px solid var(--chippr-die-line);
	border-radius: var(--chippr-radius);
	padding: 0.4rem;
}
.chippr-bar .wp-block-navigation:not(.has-background) .wp-block-navigation__responsive-container.is-menu-open {
	background: var(--chippr-die);
	color: var(--chippr-on-die);
}
.chippr-bar .chippr-gh .wp-block-button__link {
	background: transparent;
	color: var(--chippr-on-die);
	border: 1px solid var(--chippr-die-line);
	border-radius: 999px;
	font-family: var(--chippr-mono);
	font-size: 0.8rem;
	font-weight: 500;
	padding: 0.5rem 0.9rem;
}
.chippr-bar .chippr-gh .wp-block-button__link:hover { border-color: var(--chippr-glow); }
@media (max-width: 781px) { .chippr-bar .chippr-gh { display: none; } }

/* ── die bands: hero, page heads ───────────────────────────────────────────────────────────── */

.chippr-die {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	background:
		radial-gradient(900px 480px at 80% 30%, color-mix(in srgb, var(--wp--preset--color--chippr-teal) 32%, transparent), transparent 62%),
		var(--chippr-die);
	color: var(--chippr-on-die);
}
.chippr-die > .chippr-traces {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	z-index: -2;
	pointer-events: none;
	max-width: none !important;
	margin: 0 !important;
}
.chippr-die :where(h1, h2, h3, h4, p, li, dt, dd) { color: inherit; }
.chippr-die a:not(.wp-block-button__link) { color: var(--chippr-glow); }
.chippr-die .chippr-eyebrow { color: var(--chippr-glow); }

.chippr-hero { padding-block: clamp(3.5rem, 9vw, 7rem); }
.chippr-hero::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background: linear-gradient(90deg, var(--chippr-die) 0%, color-mix(in srgb, var(--chippr-die) 78%, transparent) 40%, transparent 74%);
}
.chippr-hero h1 {
	font-size: clamp(2.44rem, 5.3vw, 3.815rem);
	font-weight: 700;
	letter-spacing: -0.035em;
	line-height: 1.04;
	margin-block: 1.1rem 1.4rem;
}
.chippr-hero h1 em { font-style: normal; color: var(--chippr-glow); }
.chippr-lede { font-size: 1.25rem; line-height: 1.55; color: var(--chippr-on-die-2); max-width: 36ch; }
.chippr-hero .wp-block-buttons { margin-top: 2rem; gap: 0.75rem; }
.chippr-hero .wp-block-button__link {
	border-radius: 12px;
	padding: 0.95rem 1.4rem;
	box-shadow: 0 12px 30px -14px color-mix(in srgb, var(--wp--preset--color--chippr-teal) 95%, transparent);
}
.chippr-hero .is-style-outline .wp-block-button__link {
	background: transparent;
	color: var(--chippr-on-die);
	border: 1px solid var(--chippr-die-line);
	box-shadow: none;
}

.chippr-page-head { padding-block: clamp(2.75rem, 7vw, 5.25rem); }
.chippr-page-head h1 { font-size: clamp(2.44rem, 5vw, 3.815rem); letter-spacing: -0.035em; line-height: 1.04; margin-block: 0.6rem 1rem; }
.chippr-page-head p:not(.chippr-eyebrow) { color: var(--chippr-on-die-2); max-width: 60ch; font-size: 1.2rem; line-height: 1.55; }
.chippr-page-head .wp-block-post-featured-image img { border-radius: var(--chippr-radius); background: var(--wp--preset--color--white); padding: 10px; }

/* the spec sheet in the hero */
.chippr-sheet {
	background: linear-gradient(180deg, var(--chippr-die-raise), color-mix(in srgb, var(--chippr-die) 90%, black));
	border: 1px solid var(--chippr-die-line);
	border-radius: var(--chippr-radius-lg);
	box-shadow: 0 30px 60px -30px color-mix(in srgb, black 70%, transparent);
}
.chippr-sheet-head {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	padding: 14px 18px;
	font: 500 0.7rem/1 var(--chippr-mono);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--chippr-on-die-2);
}
.chippr-pin { display: inline-flex; align-items: center; gap: 8px; }
.chippr-pin::before {
	content: "";
	width: 7px;
	height: 7px;
	border-radius: 2px;
	background: var(--chippr-glow);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--wp--preset--color--teal-300) 22%, transparent);
}
.chippr-sheet-row { padding: 16px 18px; border-top: 1px solid var(--chippr-die-line); display: grid; gap: 8px; }
.chippr-sheet-row h3 {
	font-size: 1.15rem;
	color: var(--chippr-on-die);
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 12px;
	margin: 0;
}
.chippr-sheet-row dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 3px 16px; }
.chippr-sheet-row dt { font: 400 0.74rem/1.65 var(--chippr-mono); color: var(--chippr-on-die-2); }
.chippr-sheet-row dd { margin: 0; font-size: 0.86rem; line-height: 1.6; color: var(--chippr-on-die); }
.chippr-tag {
	font: 500 0.66rem/1 var(--chippr-mono);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	padding: 5px 8px;
	border-radius: 6px;
	border: 1px solid var(--chippr-die-line);
	color: var(--chippr-on-die-2);
	white-space: nowrap;
}
.chippr-tag-amber {
	border-color: color-mix(in srgb, var(--wp--preset--color--amber) 55%, transparent);
	color: var(--wp--preset--color--amber);
}

/* the header, the page and the footer meet with no gap: the bands are designed to touch */
.wp-site-blocks > * + * { margin-block-start: 0; }

/* ── sections ──────────────────────────────────────────────────────────────────────────────── */

.chippr-section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.chippr-section-tight { padding-top: 0; }
.chippr-section-head { margin-bottom: 2.1rem; }
.chippr-section-head h2 { font-size: clamp(1.95rem, 3.6vw, 2.441rem); letter-spacing: -0.025em; max-width: 20ch; margin: 0.6rem 0 0; }
.chippr-section-head > p { color: var(--chippr-ink-2); max-width: 46ch; margin: 0; }

.chippr-bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1.125rem; }
.chippr-bento > * { margin: 0; }
.chippr-tile {
	background: var(--wp--preset--color--white);
	border: 1px solid var(--chippr-line);
	border-radius: var(--chippr-radius-lg);
	padding: clamp(1.4rem, 3vw, 2rem);
	display: flex;
	flex-direction: column;
	gap: 0.9rem;
	min-width: 0;
}
.chippr-tile > * { margin: 0; }
.chippr-tile h3 { font-size: 1.953rem; letter-spacing: -0.02em; }
.chippr-tile p:not(.chippr-eyebrow) { color: var(--chippr-ink-2); }
.chippr-tile .chippr-more { margin-top: auto; font-family: var(--chippr-mono); font-size: 0.88rem; }
.chippr-tile .chippr-more a { text-decoration: none; }
.chippr-tile.t-fair {
	grid-column: span 4;
	grid-row: span 2;
	background: linear-gradient(165deg, var(--wp--preset--color--white) 52%, var(--wp--preset--color--teal-100));
}
.chippr-tile.t-fair .chippr-chips { margin-top: auto; }
.chippr-tile.t-fuk, .chippr-tile.t-sig { grid-column: span 2; }
@media (max-width: 980px) {
	.chippr-tile.t-fair { grid-column: 1 / -1; grid-row: auto; }
	.chippr-tile.t-fuk, .chippr-tile.t-sig { grid-column: span 3; }
}
@media (max-width: 640px) { .chippr-tile.t-fuk, .chippr-tile.t-sig { grid-column: 1 / -1; } }

/* the example vault approval in the FairWins tile */
.chippr-vault {
	background: var(--chippr-die);
	color: var(--chippr-on-die);
	border-radius: var(--chippr-radius);
	padding: 18px;
	display: grid;
	gap: 14px;
	max-width: 440px;
	box-shadow: var(--chippr-shadow);
}
.chippr-vault-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.chippr-vault .chippr-eyebrow { color: var(--chippr-on-die-2); font-size: 0.66rem; }
.chippr-vault strong { font: 600 1.05rem/1.3 var(--wp--preset--font-family--display); }
.chippr-vault-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chippr-vault-cell { background: var(--chippr-die-raise); border: 1px solid var(--chippr-die-line); border-radius: 10px; padding: 10px 12px; }
.chippr-vault-cell span { display: block; font: 500 0.64rem/1.5 var(--chippr-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--chippr-on-die-2); }
.chippr-vault-cell b { font: 600 1.05rem/1.4 var(--wp--preset--font-family--display); color: var(--wp--preset--color--teal-100); }
.chippr-keys { display: flex; gap: 8px; }
.chippr-key { flex: 1; height: 6px; border-radius: 3px; background: var(--chippr-die-line); }
.chippr-key.on { background: var(--chippr-glow); }
.chippr-signers { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.chippr-signers li {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
	font-size: 0.84rem;
	padding: 8px 10px;
	border-radius: 8px;
	background: var(--chippr-die-raise);
	color: var(--chippr-on-die);
}
.chippr-signers li span { font: 500 0.68rem/1.6 var(--chippr-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--wp--preset--color--teal-100); }
.chippr-signers li.wait span { color: var(--chippr-on-die-2); }

/* chips: static tags, post terms and topic filters share one shape */
.chippr-chips, .chippr-terms, .chippr-topics { display: flex; flex-wrap: wrap; gap: 8px; }
.chippr-chip, .chippr-terms a, .chippr-topics a {
	display: inline-block;
	font: 500 0.74rem/1 var(--chippr-mono);
	padding: 7px 10px;
	border-radius: 999px;
	background: var(--wp--preset--color--teal-100);
	color: var(--wp--preset--color--teal-700);
	text-decoration: none;
	border: 1px solid transparent;
}
.chippr-terms a:hover, .chippr-topics a:hover { border-color: var(--wp--preset--color--chippr-teal); }
.chippr-chip-amber { background: color-mix(in srgb, var(--wp--preset--color--amber) 22%, white); color: var(--wp--preset--color--gunmetal); }
.chippr-terms .wp-block-post-terms__separator { display: none; }
.chippr-topics { list-style: none; padding: 0; margin-block: 2rem 1.4rem; }
.chippr-topics li { margin: 0; }
.chippr-topics .current-cat a { background: var(--wp--preset--color--gunmetal); color: var(--wp--preset--color--cloud); }

.chippr-sig-top { display: flex; gap: 16px; align-items: center; }
.chippr-floppy { display: block; width: 76px; aspect-ratio: 1; border-radius: 6px; background: var(--wp--preset--color--gunmetal); position: relative; flex: none; }
.chippr-floppy::before { content: ""; position: absolute; top: 0; left: 24%; width: 48%; height: 34%; background: var(--wp--preset--color--teal-100); border-radius: 0 0 3px 3px; }
.chippr-floppy::after { content: ""; position: absolute; bottom: 9%; left: 14%; right: 14%; height: 40%; background: var(--wp--preset--color--white); border-radius: 3px; }

.chippr-band {
	background: color-mix(in srgb, var(--wp--preset--color--teal-100) 45%, var(--wp--preset--color--cloud));
	border-block: 1px solid var(--chippr-line);
}
.chippr-tenets h3 { font-size: 1.5625rem; margin-block: 0.6rem; }
.chippr-tenets p:not(.chippr-eyebrow) { color: var(--chippr-ink-2); }

/* ── research cards (query loop) ───────────────────────────────────────────────────────────── */

.chippr-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 1.125rem; list-style: none; padding: 0; margin: 0; }
.chippr-cards > li { margin: 0; min-width: 0; }
.chippr-card {
	height: 100%;
	display: flex;
	flex-direction: column;
	background: var(--wp--preset--color--white);
	border: 1px solid var(--chippr-line);
	border-radius: var(--chippr-radius-lg);
	overflow: hidden;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.chippr-card:hover { transform: translateY(-2px); box-shadow: var(--chippr-shadow); }
.chippr-card > * { margin: 0; }
.chippr-card .wp-block-post-featured-image { margin: 0; aspect-ratio: 3 / 2; overflow: hidden; }
.chippr-card .wp-block-post-featured-image a,
.chippr-card .wp-block-post-featured-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: left center; }
.chippr-card-body { padding: 1.25rem 1.375rem 1.375rem; display: flex; flex-direction: column; gap: 0.625rem; flex: 1; }
.chippr-card-body > * { margin: 0; }
.chippr-card .wp-block-post-title { font-size: 1.25rem; line-height: 1.25; letter-spacing: -0.015em; }
.chippr-card .wp-block-post-title a { color: var(--wp--preset--color--gunmetal); text-decoration: none; }
.chippr-card:hover .wp-block-post-title a { color: var(--wp--preset--color--teal-700); }
.chippr-card .wp-block-post-excerpt { color: var(--chippr-ink-2); font-size: 0.95rem; }
.chippr-card .wp-block-post-excerpt__excerpt { margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.chippr-card .wp-block-post-excerpt__more-text { display: none; }
.chippr-meta, .chippr-card .wp-block-post-date { font-family: var(--chippr-mono); font-size: 0.76rem; color: var(--chippr-ink-2); font-variant-numeric: tabular-nums; }
.chippr-card .wp-block-post-date { margin-top: auto; }
.chippr-cards--lead > li:first-child { grid-column: 1 / -1; }
.chippr-cards--lead > li:first-child .chippr-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); box-shadow: var(--chippr-shadow); }
.chippr-cards--lead > li:first-child .chippr-card:not(:has(.wp-block-post-featured-image)) { grid-template-columns: 1fr; }
.chippr-cards--lead > li:first-child .wp-block-post-featured-image { aspect-ratio: auto; height: 100%; min-height: 300px; }
.chippr-cards--lead > li:first-child .chippr-card-body { padding: clamp(1.4rem, 3.5vw, 2.5rem); justify-content: center; }
.chippr-cards--lead > li:first-child .wp-block-post-title { font-size: clamp(1.56rem, 2.6vw, 1.953rem); }
@media (max-width: 820px) {
	.chippr-cards--lead > li:first-child .chippr-card { grid-template-columns: 1fr; }
	.chippr-cards--lead > li:first-child .wp-block-post-featured-image { aspect-ratio: 3 / 2; min-height: 0; }
}
.chippr-pagination { margin-top: 2.5rem; font-family: var(--chippr-mono); font-size: 0.9rem; }

/* ── article ───────────────────────────────────────────────────────────────────────────────── */

.chippr-article-head { padding-block: clamp(2.25rem, 6vw, 4rem) 1.75rem; }
.chippr-article-head > * { margin-block: 0; }
.chippr-back { font-family: var(--chippr-mono); font-size: 0.84rem; }
.chippr-back a { text-decoration: none; }
.chippr-article-head .wp-block-post-title { font-size: clamp(2rem, 4.6vw, 3.052rem); letter-spacing: -0.03em; line-height: 1.08; max-width: 22ch; margin-block: 1.1rem; }
.chippr-article-meta .wp-block-post-date { font-family: var(--chippr-mono); font-size: 0.8rem; color: var(--chippr-ink-2); }
.chippr-feature { margin: 0; }
.chippr-feature img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; object-position: center top; border-radius: var(--chippr-radius-lg); box-shadow: var(--chippr-shadow); }
.chippr-article { display: grid; grid-template-columns: minmax(0, 68ch) minmax(0, 250px); gap: clamp(1.75rem, 6vw, 5rem); justify-content: space-between; padding-block: 2.75rem 5rem; }
.chippr-article > * { margin: 0; min-width: 0; }
.chippr-prose { font-size: 1.075rem; line-height: 1.75; }
.chippr-prose h2 { scroll-margin-top: 6rem; margin-top: 1.9em; }
.chippr-rail { position: sticky; top: calc(var(--wp-admin--admin-bar--height, 0px) + 6rem); align-self: start; display: grid; gap: 1.6rem; }
.chippr-rail > * { margin: 0; }
.chippr-toc a {
	display: block;
	padding: 0.45rem 0 0.45rem 0.9rem;
	border-left: 2px solid var(--chippr-line);
	color: var(--chippr-ink-2);
	text-decoration: none;
	font-size: 0.92rem;
	line-height: 1.35;
}
.chippr-toc a:hover { border-color: var(--wp--preset--color--chippr-teal); color: var(--wp--preset--color--gunmetal); }
.chippr-toc-wrap:has(.chippr-toc:empty) { display: none; }
@media (max-width: 900px) {
	.chippr-article { grid-template-columns: 1fr; }
	.chippr-rail { position: static; }
}

/* ── footer ────────────────────────────────────────────────────────────────────────────────── */

.chippr-foot { background: var(--chippr-die); color: var(--chippr-on-die-2); border-top: 1px solid var(--chippr-die-line); }
.chippr-foot :where(p, li) { color: inherit; }
.chippr-foot a { color: var(--chippr-on-die-2); text-decoration: none; }
.chippr-foot a:hover { color: var(--chippr-on-die); }
.chippr-foot .wp-block-site-title a { color: var(--chippr-on-die); }
.chippr-foot .chippr-eyebrow { color: var(--chippr-on-die); }
.chippr-foot-links > * { margin: 0; padding-block: 0.2rem; }
.chippr-fine { border-top: 1px solid var(--chippr-die-line); padding-top: 1.4rem; margin-top: 2.5rem; font-family: var(--chippr-mono); font-size: 0.76rem; }

@media (prefers-reduced-motion: reduce) {
	.chippr-card { transition: none; }
	.chippr-card:hover { transform: none; }
}