/* ==========================================================================
   Research Lab — pages.css
   Page header / article / entry content / page sections / forms
   ========================================================================== */

/* Page header ---------------------------------------------------------------- */

.page-header {
	position: relative;
	padding-top: clamp(24px, 3vw, 40px);
	padding-bottom: clamp(56px, 7vw, 104px);
	border-bottom: 1px solid var(--color-border);
	overflow: hidden;
}

.page-header::after {
	content: "";
	position: absolute;
	right: 0;
	bottom: 0;
	width: min(480px, 50vw);
	height: 100%;
	background: radial-gradient(circle, var(--color-border-strong) 1.2px, transparent 1.6px) 0 0 / 24px 24px;
	-webkit-mask-image: linear-gradient(90deg, transparent, #000 70%);
	mask-image: linear-gradient(90deg, transparent, #000 70%);
	opacity: 0.6;
	pointer-events: none;
}

.page-header__inner {
	position: relative;
	z-index: 1;
	margin-top: clamp(40px, 6vw, 80px);
	max-width: 880px;
}

.page-header__en {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 20px;
	font-family: var(--font-en);
	font-size: var(--fs-xsmall);
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--color-accent-strong);
}

.page-header__en::before {
	content: "";
	width: 32px;
	height: 1px;
	background: currentColor;
}

.page-header__title {
	font-size: clamp(2rem, 1.5rem + 2.2vw, 3.25rem);
	line-height: 1.4;
}

.page-header__lead {
	margin-top: 28px;
	font-size: var(--fs-lead);
	line-height: 2;
}

.page-header__lead + .page-header__lead {
	margin-top: 1em;
}

.page-header__actions {
	margin-top: clamp(32px, 4vw, 48px);
}

/* Page sections ------------------------------------------------------------ */

.split {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
	gap: 32px clamp(48px, 7vw, 112px);
	align-items: start;
}

.split__lead {
	margin-top: 24px;
	line-height: 2;
}

.section--dark .split__lead {
	color: var(--color-on-dark-muted);
}

.prose p + p {
	margin-top: 1.4em;
}

.prose {
	font-size: var(--fs-lead);
	line-height: 2.1;
}

.prose--inverse {
	color: rgba(255, 255, 255, 0.86);
}

.page-section__content {
	margin-top: clamp(48px, 6vw, 80px);
}

.check-list {
	display: grid;
	list-style: none;
	border-top: 1px solid var(--color-border-strong);
}

.check-list li {
	display: flex;
	align-items: flex-start;
	gap: 14px;
	padding: 20px 0;
	border-bottom: 1px solid var(--color-border);
	font-weight: 500;
	line-height: 1.8;
	color: var(--color-primary);
}

.check-list .icon {
	margin-top: 0.3em;
	color: var(--color-accent-strong);
}

.check-list--small li {
	padding: 12px 0;
	font-size: var(--fs-small);
}

.reason-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: clamp(24px, 3vw, 40px);
	list-style: none;
}

.reason-grid li {
	padding-top: 28px;
	border-top: 1px solid var(--color-primary);
}

.reason-grid__num {
	display: block;
	margin-bottom: 20px;
	font-family: var(--font-en);
	font-size: 2.5rem;
	font-weight: 200;
	line-height: 1;
	color: var(--color-accent-strong);
}

.reason-grid h3 {
	font-size: var(--fs-h3);
}

.reason-grid p {
	margin-top: 12px;
	font-size: var(--fs-small);
	line-height: 1.9;
	color: var(--color-muted);
}

/* FAQ (native details) */

.faq {
	border-top: 1px solid var(--color-primary);
}

.faq__item {
	border-bottom: 1px solid var(--color-border-strong);
	background: #fff;
}

.faq__q {
	display: flex;
	align-items: flex-start;
	gap: 16px;
	padding: 24px clamp(16px, 2.5vw, 28px);
	cursor: pointer;
	list-style: none;
	font-weight: 700;
	line-height: 1.7;
	color: var(--color-primary);
}

.faq__q::-webkit-details-marker {
	display: none;
}

.faq__q-text {
	flex: 1;
}

.faq__mark {
	flex-shrink: 0;
	font-family: var(--font-en);
	font-size: 1.125rem;
	font-weight: 600;
	line-height: 1.5;
	color: var(--color-accent-strong);
}

.faq__mark--a {
	color: var(--color-muted);
}

.faq__toggle {
	position: relative;
	flex-shrink: 0;
	width: 16px;
	height: 16px;
	margin-top: 0.45em;
}

.faq__toggle::before,
.faq__toggle::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 0;
	width: 100%;
	height: 1.5px;
	background: var(--color-primary);
	transition: transform 0.3s var(--ease);
}

.faq__toggle::after {
	transform: rotate(90deg);
}

.faq__item[open] .faq__toggle::after {
	transform: rotate(0deg);
}

.faq__a {
	display: flex;
	gap: 16px;
	padding: 0 clamp(16px, 2.5vw, 28px) 28px;
	font-size: var(--fs-small);
	line-height: 2;
}

/* Info table */

.info-table {
	border-top: 1px solid var(--color-primary);
}

.info-table > div {
	display: grid;
	grid-template-columns: 10em 1fr;
	gap: 16px;
	padding: 20px 0;
	border-bottom: 1px solid var(--color-border);
}

.info-table dt {
	font-weight: 700;
	color: var(--color-primary);
}

.info-table dd {
	margin: 0;
}

.info-table a {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--color-accent-strong);
}

.info-table__en {
	font-family: var(--font-en);
	font-size: var(--fs-small);
	color: var(--color-muted);
}

/* Guide */

.guide__inner {
	max-width: calc(1000px + var(--gutter) * 2);
}

.guide-list {
	list-style: none;
	border-top: 1px solid var(--color-primary);
}

.guide-list__item {
	display: grid;
	grid-template-columns: clamp(64px, 9vw, 120px) 1fr auto;
	align-items: start;
	gap: 16px 24px;
	padding: clamp(28px, 3.5vw, 44px) 0;
	border-bottom: 1px solid var(--color-border-strong);
}

.guide-list__num {
	font-family: var(--font-en);
	font-size: clamp(2.5rem, 2rem + 2vw, 3.75rem);
	font-weight: 200;
	line-height: 1;
	color: var(--color-primary);
}

.guide-list__en {
	font-family: var(--font-en);
	font-size: var(--fs-xsmall);
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--color-accent-strong);
}

.guide-list__title {
	margin-top: 6px;
	font-size: var(--fs-h3);
}

.guide-list__text {
	margin-top: 10px;
	font-size: var(--fs-small);
	line-height: 1.9;
	color: var(--color-muted);
}

.guide-list__status {
	padding: 2px 10px;
	border: 1px solid var(--color-border-strong);
	font-size: 0.75rem;
	color: var(--color-muted);
	white-space: nowrap;
}

.guide__content {
	max-width: 800px;
	margin-inline: auto;
}

/* Empty state (researcher archive / search) ------------------------------- */

.empty-state {
	padding: clamp(48px, 6vw, 80px) 24px;
	border: 1px solid var(--color-border);
	text-align: center;
}

.empty-state__title {
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--color-primary);
}

.empty-state__text {
	margin: 8px 0 16px;
	font-size: var(--fs-small);
	color: var(--color-muted);
}

/* Entry content -------------------------------------------------------------
   Gutenberg blocks, pasted HTML (note etc.) and Markdown-converted HTML.
   Pages use the base size; INSIGHTS articles use .entry-content--article.
   ------------------------------------------------------------------------- */

.entry-content {
	font-size: var(--fs-body);
	line-height: 2;
	overflow-wrap: anywhere;
}

.entry-content > * + * {
	margin-top: 1.6em;
}

.entry-content > *:first-child {
	margin-top: 0;
}

.entry-content p:empty {
	display: none;
}

/* Headings */

.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
	scroll-margin-top: calc(var(--header-height) + 24px);
	word-break: auto-phrase;
}

.entry-content h2 {
	margin-top: 2.6em;
	padding-bottom: 0.55em;
	border-bottom: 1px solid var(--color-primary);
	font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem);
	line-height: 1.55;
}

.entry-content h3 {
	margin-top: 2.2em;
	padding-left: 14px;
	border-left: 2px solid var(--color-accent);
	font-size: clamp(1.1875rem, 1.1rem + 0.4vw, 1.375rem);
	line-height: 1.6;
}

.entry-content h4 {
	margin-top: 2em;
	font-size: 1.0625rem;
	line-height: 1.7;
}

.entry-content h5,
.entry-content h6 {
	margin-top: 1.8em;
	font-size: 1rem;
	line-height: 1.7;
}

.entry-content h2 + *,
.entry-content h3 + *,
.entry-content h4 + *,
.entry-content h5 + *,
.entry-content h6 + * {
	margin-top: 0.9em;
}

/* Inline */

.entry-content a {
	color: var(--color-accent-strong);
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.22em;
}

.entry-content a:hover {
	color: var(--color-primary);
}

.entry-content strong,
.entry-content b {
	color: var(--color-primary);
}

.entry-content mark {
	background: linear-gradient(transparent 60%, var(--color-accent-soft) 60%);
	color: inherit;
}

.entry-content sup,
.entry-content sub {
	font-size: 0.75em;
	line-height: 0;
}

.entry-content code,
.entry-content kbd {
	padding: 0.1em 0.4em;
	border-radius: var(--radius);
	background: var(--color-bg-sub);
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.875em;
	overflow-wrap: anywhere;
}

/* Lists */

.entry-content ul,
.entry-content ol {
	padding-left: 1.5em;
}

.entry-content li + li,
.entry-content li > ul,
.entry-content li > ol {
	margin-top: 0.45em;
}

.entry-content li::marker {
	color: var(--color-accent-strong);
}

.entry-content ol > li::marker {
	font-family: var(--font-en);
	font-weight: 600;
}

/* Quotes & separators */

.entry-content blockquote,
.entry-content .wp-block-quote {
	margin-inline: 0;
	padding: 20px 24px;
	border-left: 2px solid var(--color-primary);
	background: var(--color-bg-sub);
}

.entry-content blockquote > * + * {
	margin-top: 0.8em;
}

.entry-content blockquote cite,
.entry-content .wp-block-quote cite {
	display: block;
	margin-top: 12px;
	font-size: var(--fs-xsmall);
	font-style: normal;
	color: var(--color-muted);
}

.entry-content .wp-block-pullquote {
	padding: 28px 0;
	border-block: 1px solid var(--color-primary);
	text-align: left;
}

.entry-content .wp-block-pullquote blockquote {
	padding: 0;
	border: 0;
	background: none;
	font-size: 1.125em;
	font-weight: 700;
	color: var(--color-primary);
}

.entry-content hr,
.entry-content .wp-block-separator {
	height: 0;
	margin: 3em 0;
	border: 0;
	border-top: 1px solid var(--color-border-strong);
	background: none;
	opacity: 1;
}

/* Media */

.entry-content img,
.entry-content video {
	max-width: 100%;
	height: auto;
}

.entry-content figure {
	margin-inline: 0;
}

.entry-content iframe {
	max-width: 100%;
}

.entry-content figcaption,
.entry-content .wp-element-caption {
	margin-top: 10px;
	font-size: var(--fs-xsmall);
	line-height: 1.7;
	color: var(--color-muted);
	text-align: left;
}

.entry-content .aligncenter {
	margin-inline: auto;
	text-align: center;
}

@media (min-width: 768px) {
	.entry-content .alignleft {
		float: left;
		max-width: 50%;
		margin: 0.4em 1.6em 1em 0;
	}

	.entry-content .alignright {
		float: right;
		max-width: 50%;
		margin: 0.4em 0 1em 1.6em;
	}
}

.entry-content::after {
	content: "";
	display: table;
	clear: both;
}

.entry-content .alignwide {
	margin-inline: calc(50% - min(50vw, 590px) + var(--gutter));
}

.entry-content .alignfull {
	margin-inline: calc(50% - 50vw);
	max-width: 100vw;
}

/* Tables (block + pasted HTML): scroll inside, never the page */

.entry-content .wp-block-table {
	overflow-x: auto;
}

.entry-content > table {
	display: block;
	max-width: 100%;
	overflow-x: auto;
}

.entry-content table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--fs-small);
	line-height: 1.7;
}

.entry-content th,
.entry-content td {
	min-width: 6em; /* narrow screens: the table scrolls inside itself */
	padding: 12px 14px;
	border: 1px solid var(--color-border);
	text-align: left;
	vertical-align: top;
}

.entry-content thead th,
.entry-content th {
	background: var(--color-bg-sub);
	color: var(--color-primary);
	font-weight: 700;
}

/* Code blocks */

.entry-content pre,
.entry-content .wp-block-code {
	padding: 18px 20px;
	overflow-x: auto;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	background: var(--color-bg-sub);
	font-size: 0.875rem;
	line-height: 1.7;
	white-space: pre;
}

.entry-content pre code {
	padding: 0;
	background: none;
	font-size: inherit;
	overflow-wrap: normal;
}

/* Buttons / misc blocks */

.entry-content .wp-block-button__link {
	border-radius: var(--radius);
	background: var(--color-primary);
	color: #fff;
	text-decoration: none;
}

.entry-content .wp-block-footnotes {
	font-size: var(--fs-small);
}

.notice-editor {
	padding: 16px;
	border: 1px dashed var(--color-border-strong);
	font-size: var(--fs-small);
	color: var(--color-muted);
}

/* Search -------------------------------------------------------------------- */

.search-form {
	display: flex;
	border: 1px solid var(--color-border-strong);
	border-radius: var(--radius);
	background: #fff;
}

.search-form__input {
	flex: 1;
	min-width: 0;
	min-height: 52px;
	padding: 12px 16px;
	border: 0;
	background: transparent;
	font-size: 1rem;
}

.search-form__input:focus {
	outline: none;
}

.search-form:focus-within {
	border-color: var(--color-accent-strong);
	box-shadow: 0 0 0 3px rgba(21, 166, 166, 0.18);
}

.search-form__submit {
	display: grid;
	place-items: center;
	width: 56px;
	border: 0;
	background: var(--color-primary);
	color: #fff;
}

.search-results__form {
	margin-bottom: 48px;
}

.search-list {
	list-style: none;
	border-top: 1px solid var(--color-primary);
}

.search-list__item {
	padding: 28px 0;
	border-bottom: 1px solid var(--color-border);
}

.search-list__type {
	font-family: var(--font-en);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--color-accent-strong);
}

.search-list__title {
	margin-top: 6px;
	font-size: 1.125rem;
}

.search-list__title a {
	text-decoration: none;
}

.search-list__title a:hover {
	text-decoration: underline;
}

.search-list__excerpt {
	margin-top: 8px;
	font-size: var(--fs-small);
	color: var(--color-muted);
}

/* 404 ------------------------------------------------------------------------ */

.error-404__code {
	margin-top: 48px;
	font-family: var(--font-en);
	font-size: clamp(5rem, 3rem + 10vw, 10rem);
	font-weight: 200;
	line-height: 1;
	letter-spacing: -0.02em;
	color: var(--color-primary);
}

.error-404__title {
	margin-top: 24px;
	font-size: var(--fs-h3);
}

.error-404__text {
	margin-top: 16px;
	color: var(--color-muted);
}

.error-404__search {
	max-width: 520px;
	margin-top: 40px;
}

.error-404__links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 32px;
	margin-top: 40px;
	list-style: none;
}

/* Comments */

.comments {
	padding-bottom: var(--space-section);
}

.comments__list {
	list-style: none;
}