/*
Theme Name: Zen Karate
Description: A quiet ink-and-paper block theme for a karate blog. Serif headlines, generous whitespace, sand bands and a single seal-red accent.
Version: 1.3.1
Requires at least: 6.6
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: zen-karate
Tags: blog, grid-layout, block-patterns, full-site-editing, style-variations, wide-blocks
*/

/* ---- Base --------------------------------------------------------- */

::selection {
	background: var(--wp--preset--color--accent);
	color: var(--wp--preset--color--paper);
}

a {
	text-decoration-thickness: 1px;
	text-underline-offset: 0.25em;
	text-decoration-color: var(--wp--preset--color--mist);
	transition: color 0.3s ease, text-decoration-color 0.3s ease;
}

a:hover {
	text-decoration-color: currentColor;
}

.zen-main {
	animation: zen-settle 1s ease-out both;
}

@keyframes zen-settle {
	from { opacity: 0; transform: translateY(6px); }
	to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
	.zen-main { animation: none; }
	a { transition: none; }
}

/* ---- Shared type -------------------------------------------------- */

/* Small red spaced capitals above headings: "THE EMPTY HAND", "FEATURED · HISTORY". */
.zen-eyebrow {
	font-family: var(--wp--preset--font-family--serif);
	font-size: var(--wp--preset--font-size--small);
	letter-spacing: 0.3em;
	text-transform: uppercase;
	color: var(--wp--preset--color--accent);
	margin-bottom: 0;
}

.zen-eyebrow a {
	color: inherit;
	text-decoration: none;
}

.zen-eyebrow + .wp-block-post-title,
.zen-eyebrow + .wp-block-heading,
.zen-eyebrow + .wp-block-query-title {
	margin-top: 0.75rem;
}

.zen-meta {
	font-size: var(--wp--preset--font-size--small);
	color: var(--wp--preset--color--stone);
}

.zen-meta a {
	color: var(--wp--preset--color--accent);
	text-decoration: none;
}

.zen-tagline {
	color: var(--wp--preset--color--stone);
}

.zen-readmore {
	font-weight: 500;
	text-decoration: none;
}

.zen-readmore::after {
	content: "→";
	margin-left: 0.6em;
	color: var(--wp--preset--color--accent);
	display: inline-block;
	transition: transform 0.3s ease;
}

.zen-readmore:hover::after {
	transform: translateX(4px);
}

/* ---- Header ------------------------------------------------------- */

.zen-header {
	padding-block: var(--wp--preset--spacing--30);
	border-bottom: 1px solid var(--wp--preset--color--mist);
}

.zen-brand {
	gap: 1rem;
}

.zen-mark {
	display: grid;
	place-items: center;
	width: 2.75rem;
	height: 2.75rem;
	margin: 0;
	background: var(--wp--preset--color--accent);
	color: var(--wp--preset--color--paper);
	font-family: var(--wp--preset--font-family--mincho);
	font-size: 1.35rem;
	line-height: 1;
	border-radius: 2px;
}

/*
 * Site logo shown as a square mark: crops the torii gate out of the
 * Nyuanshin logo (500×284, gate at x 135–362, y 4–226) and drops the
 * wordmark below it, since the site title already sits beside the mark.
 * multiply blends the logo's white background into the header colour.
 */
.zen-logo-mark {
	--s: 56px;
	--k: calc(var(--s) * 0.92 / 227);
	margin: 0;
}

.zen-logo-mark a {
	position: relative;
	display: block;
	width: var(--s);
	height: var(--s);
	overflow: hidden;
}

.zen-logo-mark img {
	position: absolute;
	max-width: none;
	width: calc(var(--k) * 500) !important;
	height: auto !important;
	left: calc(var(--s) * 0.04 - var(--k) * 135);
	top: calc((var(--s) - var(--k) * 222) / 2 - var(--k) * 4);
	mix-blend-mode: multiply;
}

/* The red kanji square is the fallback when no logo is set. */
.zen-brand:has(.zen-logo-mark img) .zen-mark {
	display: none;
}

.zen-header .wp-block-navigation-item__content {
	padding-block: 0.35em;
	border-bottom: 2px solid transparent;
}

.zen-header .wp-block-navigation-item__content:hover,
.zen-header .current-menu-item > .wp-block-navigation-item__content {
	color: var(--wp--preset--color--ink);
	border-bottom-color: var(--wp--preset--color--accent);
}

/* ---- Bands -------------------------------------------------------- */

.zen-main {
	padding-block: var(--wp--preset--spacing--50) var(--wp--preset--spacing--60);
}

.zen-front {
	padding-top: 0;
	margin-top: 0;
}

.zen-band {
	background: var(--wp--preset--color--sand);
	border-bottom: 1px solid var(--wp--preset--color--mist);
	padding-block: var(--wp--preset--spacing--60);
	margin-block-start: 0 !important;
}

/* Narrow measures stay aligned to the left edge of the wide column. */
.zen-intro .zen-display,
.zen-intro .zen-lede {
	margin-left: max(0px, calc((100% - var(--wp--style--global--wide-size)) / 2)) !important;
}

.zen-intro-grid {
	display: grid;
	gap: var(--wp--preset--spacing--50);
	align-items: center;
}

.zen-intro-text > :first-child {
	margin-top: 0;
}

.zen-intro-image {
	margin: 0;
}

.zen-intro-image img {
	width: 100%;
	aspect-ratio: 3 / 2;
	object-fit: cover;
	object-position: 30% 35%;
	filter: grayscale(0.35) contrast(1.02);
	box-shadow: 0 1px 0 var(--wp--preset--color--mist);
}

@media (min-width: 900px) {
	.zen-intro-grid {
		grid-template-columns: 1.35fr 1fr;
		gap: var(--wp--preset--spacing--60);
	}

	.zen-intro-image img {
		aspect-ratio: 4 / 5;
	}
}

.zen-intro .zen-display {
	font-size: clamp(2.5rem, 7vw, 4.75rem);
	line-height: 1.08;
	max-width: 18ch;
	margin-top: 1.25rem;
}

.zen-intro .zen-lede {
	font-size: var(--wp--preset--font-size--large);
	line-height: 1.6;
	color: var(--wp--preset--color--stone);
	max-width: 34em;
}

.zen-actions {
	gap: 2rem;
	margin-top: var(--wp--preset--spacing--50);
}

.zen-textlink a {
	color: var(--wp--preset--color--stone);
	text-decoration: none;
}

.zen-textlink a:hover {
	color: var(--wp--preset--color--accent);
}

/* Featured essay: hidden entirely when there is no sticky post. */
.zen-featured:not(:has(.wp-block-post)) {
	display: none;
}

.zen-featured {
	padding-inline: var(--wp--style--root--padding-left) var(--wp--style--root--padding-right);
}

.zen-featured .wp-block-post-template {
	max-width: var(--wp--style--global--wide-size);
	margin: 0 auto;
}

.zen-feature-card {
	display: grid;
	gap: var(--wp--preset--spacing--40);
}

.zen-feature-card .wp-block-post-title {
	font-size: var(--wp--preset--font-size--x-large);
}

@media (min-width: 782px) {
	.zen-feature-card:has(.wp-block-post-featured-image) {
		grid-template-columns: 1.15fr 1fr;
		align-items: center;
		gap: var(--wp--preset--spacing--60);
	}
}

.zen-card-body > * + * {
	margin-top: 1rem;
}

/* ---- Essay grid --------------------------------------------------- */

.zen-essays {
	padding-top: var(--wp--preset--spacing--60);
}

.zen-section-head {
	margin-bottom: var(--wp--preset--spacing--50);
}

.zen-section-head > * {
	margin: 0;
}

.zen-count {
	margin: 0;
	color: var(--wp--preset--color--stone);
	font-size: var(--wp--preset--font-size--medium);
}

.wp-block-post-template.is-layout-grid {
	gap: var(--wp--preset--spacing--60) var(--wp--preset--spacing--50);
}

.zen-card > * {
	margin-block: 0;
}

.zen-card > * + * {
	margin-top: 0.85rem;
}

.zen-card .wp-block-post-featured-image {
	margin-bottom: 0.6rem;
}

.zen-card .wp-block-post-excerpt__excerpt {
	margin: 0;
}

.wp-block-post-featured-image img {
	filter: saturate(0.85);
	transition: filter 0.4s ease;
}

.wp-block-post-featured-image a:hover img {
	filter: saturate(1);
}

.wp-block-query-pagination {
	margin-top: var(--wp--preset--spacing--60);
}

/* ---- Front page sections ------------------------------------------ */

.zen-motto {
	padding-block: var(--wp--preset--spacing--60);
	border-bottom: 1px solid var(--wp--preset--color--mist);
	margin-block-start: 0 !important;
}

.zen-motto .wp-block-separator.is-style-zen {
	margin-block: var(--wp--preset--spacing--40);
}

.zen-motto-text {
	font-family: var(--wp--preset--font-family--serif);
	font-size: var(--wp--preset--font-size--large);
	font-style: italic;
	line-height: 1.6;
}

.zen-testimonials {
	border-top: 1px solid var(--wp--preset--color--mist);
	margin-top: var(--wp--preset--spacing--60);
}

.zen-testimonial-grid {
	gap: var(--wp--preset--spacing--40);
	margin-top: var(--wp--preset--spacing--50);
}

.zen-testimonial {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	gap: 1.25rem;
	background: var(--wp--preset--color--paper);
	border: 1px solid var(--wp--preset--color--mist);
	padding: var(--wp--preset--spacing--40);
}

.zen-testimonial > * {
	margin: 0;
}

.zen-testimonial-text {
	font-family: var(--wp--preset--font-family--serif);
	font-style: italic;
	line-height: 1.65;
}

.zen-testimonial-text::before {
	content: "“";
	display: block;
	font-size: 2.5rem;
	line-height: 1;
	height: 1.25rem;
	color: var(--wp--preset--color--accent);
	font-style: normal;
}

.zen-testimonial-by {
	gap: 0.85rem;
	font-size: var(--wp--preset--font-size--small);
	line-height: 1.4;
	color: var(--wp--preset--color--stone);
}

.zen-testimonial-by > * {
	margin: 0;
}

.zen-testimonial-by strong {
	color: var(--wp--preset--color--ink);
	font-weight: 500;
}

.zen-testimonial-by img {
	filter: grayscale(1);
}

.zen-begin {
	padding-block: var(--wp--preset--spacing--60);
	margin-block-start: 0 !important;
}

.zen-button-accent .wp-block-button__link {
	background: var(--wp--preset--color--accent);
}

.zen-button-accent .wp-block-button__link:hover {
	background: var(--wp--preset--color--ink);
}

/* ---- Article ------------------------------------------------------ */

.zen-prose {
	font-size: 1.1875rem;
}

.zen-prose h2 {
	font-size: var(--wp--preset--font-size--x-large);
	margin-top: var(--wp--preset--spacing--50);
}

.zen-postnav a {
	text-decoration: none;
	font-weight: 500;
}

.wp-block-separator.is-style-zen {
	width: 48px;
	height: 2px;
	border: 0;
	background: var(--wp--preset--color--accent);
	margin-inline: auto;
	margin-block: var(--wp--preset--spacing--50);
	opacity: 1;
}

.wp-block-quote {
	border-left: 2px solid var(--wp--preset--color--accent);
	padding-left: var(--wp--preset--spacing--40);
	font-family: var(--wp--preset--font-family--serif);
	font-size: var(--wp--preset--font-size--large);
	font-style: italic;
}

.wp-block-quote cite {
	font-style: normal;
	font-family: var(--wp--preset--font-family--sans);
	font-size: var(--wp--preset--font-size--small);
	color: var(--wp--preset--color--stone);
}

.wp-block-pullquote {
	border-block: 1px solid var(--wp--preset--color--mist);
	padding-block: var(--wp--preset--spacing--50);
	font-family: var(--wp--preset--font-family--serif);
}

/* ---- Ensō (404 page and "Ensō hero" pattern) ----------------------- */

.zen-hero {
	text-align: center;
	padding-block: var(--wp--preset--spacing--50);
}

.zen-kanji {
	position: relative;
	display: grid;
	place-items: center;
	width: 180px;
	height: 180px;
	margin-inline: auto !important;
	writing-mode: vertical-rl;
	font-family: var(--wp--preset--font-family--mincho);
	font-size: 1.6rem;
	letter-spacing: 0.35em;
	color: var(--wp--preset--color--ink);
}

.zen-kanji::before {
	content: "";
	position: absolute;
	inset: 0;
	background-color: var(--wp--preset--color--accent);
	-webkit-mask: url("assets/images/enso.svg") center / contain no-repeat;
	mask: url("assets/images/enso.svg") center / contain no-repeat;
	opacity: 0.85;
	pointer-events: none;
}

/* ---- Kata card pattern -------------------------------------------- */

.zen-kata {
	background: var(--wp--preset--color--sand);
	border: 1px solid var(--wp--preset--color--mist);
	padding: var(--wp--preset--spacing--40);
}

.zen-kata .zen-kata-name {
	font-family: var(--wp--preset--font-family--mincho);
	font-size: var(--wp--preset--font-size--x-large);
	margin: 0;
}

.zen-kata dl {
	display: grid;
	grid-template-columns: max-content 1fr;
	gap: 0.25rem 1.5rem;
	margin: 0;
	font-size: var(--wp--preset--font-size--small);
}

.zen-kata dt {
	font-family: var(--wp--preset--font-family--serif);
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--wp--preset--color--accent);
}

.zen-kata dd {
	margin: 0;
}

/* ---- Footer ------------------------------------------------------- */

.zen-footer {
	border-top: 1px solid var(--wp--preset--color--mist);
	padding-block: var(--wp--preset--spacing--50);
	text-align: center;
	color: var(--wp--preset--color--stone);
	font-size: var(--wp--preset--font-size--small);
}

.zen-footer .zen-seal {
	font-family: var(--wp--preset--font-family--mincho);
	font-size: 1.5rem;
	color: var(--wp--preset--color--accent);
	margin-bottom: 0.25rem;
}

/* ---- Forms & comments --------------------------------------------- */

.zen-comments {
	margin-top: var(--wp--preset--spacing--60);
}

.wp-block-post-comments-form input:not([type="submit"]):not([type="checkbox"]),
.wp-block-post-comments-form textarea,
.wp-block-search__input {
	background: transparent;
	color: inherit;
	border: 1px solid var(--wp--preset--color--mist);
	border-radius: 0;
	padding: 0.6em 0.8em;
	font: inherit;
}

.wp-block-post-comments-form input:focus,
.wp-block-post-comments-form textarea:focus,
.wp-block-search__input:focus {
	outline: none;
	border-color: var(--wp--preset--color--accent);
}

.wp-block-comment-template li {
	border-top: 1px solid var(--wp--preset--color--mist);
	padding-block: var(--wp--preset--spacing--30);
}