/*
 * NovaPress main stylesheet.
 * System fonts, CSS custom-property tokens, logical properties (RTL-safe),
 * dark mode via [data-scheme="dark"], reduced-motion respected.
 */

/* ---------- Tokens ---------- */
:root {
	--color-primary: #168bd2;
	--color-primary-dark: #086ca9;
	--color-accent: #54bde9;
	--color-heading: #17212b;
	--color-body: #4b5563;
	--color-muted: #7b8794;
	--color-border: #e5eaf0;
	--color-surface: #ffffff;
	--color-surface-alt: #f5f8fa;
	--color-dark-surface: #111827;

	--container-wide: 1440px;
	--container-content: 1200px;
	--container-reading: 760px;

	--radius-small: 4px;
	--radius-medium: 8px;
	--radius-large: 12px;

	--shadow-small: 0 2px 8px rgba(15, 23, 42, 0.06);
	--shadow-medium: 0 8px 24px rgba(15, 23, 42, 0.08);

	--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

:root[data-scheme="dark"] {
	--color-heading: #f3f6f9;
	--color-body: #c3ccd6;
	--color-muted: #8b98a5;
	--color-border: #26303b;
	--color-surface: #0f151c;
	--color-surface-alt: #171f28;
	--shadow-small: 0 2px 8px rgba(0, 0, 0, 0.4);
	--shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.5);
	color-scheme: dark;
}

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

body {
	margin: 0;
	font-family: var(--font-stack);
	font-size: 1rem;
	line-height: 1.65;
	color: var(--color-body);
	background: var(--color-surface);
	-webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
	color: var(--color-heading);
	line-height: 1.25;
	margin-block: 0 0.5em;
	font-weight: 700;
	overflow-wrap: break-word;
}

h1 { font-size: clamp(1.75rem, 1.3rem + 2vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 1.15rem + 1.1vw, 1.85rem); }
h3 { font-size: 1.2rem; }

p { margin-block: 0 1.25em; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
	border-radius: var(--radius-small);
}

img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
figcaption { font-size: 0.85rem; color: var(--color-muted); padding-block-start: 0.5rem; }

table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid var(--color-border); padding: 0.5rem 0.75rem; text-align: start; }

pre, code { font-family: var(--font-mono); font-size: 0.9em; }
pre { background: var(--color-surface-alt); padding: 1rem; border-radius: var(--radius-medium); overflow-x: auto; }

blockquote {
	margin: 1.5rem 0;
	padding-inline-start: 1.25rem;
	border-inline-start: 4px solid var(--color-primary);
	color: var(--color-heading);
	font-size: 1.1rem;
}

button { font: inherit; cursor: pointer; }

.screen-reader-text {
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px; width: 1px;
	overflow: hidden;
	position: absolute !important;
	word-wrap: normal !important;
}

.skip-link {
	position: absolute;
	inset-block-start: -100px;
	inset-inline-start: 0.5rem;
	z-index: 999;
	background: var(--color-primary);
	color: #fff;
	padding: 0.6rem 1rem;
	border-radius: var(--radius-small);
}
.skip-link:focus {
	inset-block-start: 0.5rem;
	clip: auto;
	clip-path: none;
	height: auto; width: auto;
	color: #fff;
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}

/* ---------- Layout ---------- */
.container {
	max-width: var(--container-content);
	margin-inline: auto;
	padding-inline: 1rem;
}

.layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 2.5rem;
	padding-block: 2rem;
}

@media (min-width: 1024px) {
	.layout { grid-template-columns: minmax(0, 1fr) 320px; }
	.sidebar-left .layout { grid-template-columns: 320px minmax(0, 1fr); }
	.sidebar-left .layout > .site-main { order: 2; }
	.sidebar-none .layout { grid-template-columns: minmax(0, 1fr); }
}

.site-main--reading { max-width: var(--container-reading); margin-inline: auto; }
.site-main--canvas, .site-main--landing, .site-main--builder { width: 100%; }

/* ---------- Top bar ---------- */
.topbar {
	background: var(--color-dark-surface);
	color: #cbd5e1;
	font-size: 0.85rem;
}
.topbar__inner {
	display: flex;
	align-items: center;
	gap: 1rem;
	min-height: 38px;
	flex-wrap: wrap;
}
.topbar a { color: #e2e8f0; }
.topbar__menu { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.topbar__date { color: #94a3b8; }
.scheme-toggle {
	margin-inline-start: auto;
	background: none;
	border: 0;
	color: #e2e8f0;
	display: inline-flex;
	align-items: center;
	padding: 0.35rem;
	min-width: 44px;
	min-height: 38px;
	justify-content: center;
}
.icon--moon { display: none; }
:root[data-scheme="dark"] .icon--moon { display: block; }
:root[data-scheme="dark"] .icon--sun { display: none; }

/* ---------- Header ---------- */
.site-header {
	background: var(--color-surface);
	border-block-end: 1px solid var(--color-border);
}
.has-sticky-header .site-header {
	position: sticky;
	inset-block-start: 0;
	z-index: 100;
}
.site-header__inner {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	min-height: 72px;
}
.site-title {
	font-size: 1.5rem;
	font-weight: 800;
	color: var(--color-heading);
	letter-spacing: -0.02em;
}
.site-title:hover { text-decoration: none; color: var(--color-primary); }
.site-description { margin: 0; font-size: 0.8rem; color: var(--color-muted); }

/* ---------- Navigation ---------- */
.main-navigation { margin-inline-start: auto; }
.main-navigation ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 0.25rem; }
.main-navigation li { position: relative; }
.main-navigation a {
	display: block;
	padding: 0.6rem 0.85rem;
	color: var(--color-heading);
	font-weight: 600;
	font-size: 0.95rem;
	border-radius: var(--radius-small);
}
.main-navigation a:hover { color: var(--color-primary); text-decoration: none; background: var(--color-surface-alt); }
.main-navigation .current-menu-item > a { color: var(--color-primary); }

.submenu-toggle {
	background: none;
	border: 0;
	color: var(--color-heading);
	padding: 0.5rem;
	min-width: 34px;
}

.main-navigation .sub-menu {
	display: none;
	position: absolute;
	inset-block-start: 100%;
	inset-inline-start: 0;
	min-width: 220px;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-medium);
	box-shadow: var(--shadow-medium);
	padding: 0.35rem;
	z-index: 50;
	flex-direction: column;
}
.main-navigation li:hover > .sub-menu,
.main-navigation li:focus-within > .sub-menu,
.main-navigation li.is-sub-open > .sub-menu { display: flex; }

.menu-toggle {
	display: none;
	background: none;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-small);
	color: var(--color-heading);
	padding: 0.5rem;
	min-width: 44px;
	min-height: 44px;
}

@media (max-width: 900px) {
	.menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
	.main-navigation ul { display: none; }
	.main-navigation.is-open #primary-menu {
		display: flex;
		flex-direction: column;
		position: fixed;
		inset: 0;
		inset-block-start: 0;
		background: var(--color-surface);
		padding: 4.5rem 1.25rem 2rem;
		overflow-y: auto;
		z-index: 200;
		gap: 0;
	}
	.main-navigation.is-open .menu-toggle { position: fixed; inset-block-start: 1rem; inset-inline-end: 1rem; z-index: 201; }
	.main-navigation .sub-menu {
		position: static;
		box-shadow: none;
		border: 0;
		padding-inline-start: 1rem;
	}
	.main-navigation a { padding: 0.85rem 0.5rem; font-size: 1.05rem; border-block-end: 1px solid var(--color-border); }
	body.menu-open { overflow: hidden; }
}

/* ---------- Header search ---------- */
.search-toggle {
	background: none;
	border: 0;
	color: var(--color-heading);
	min-width: 44px;
	min-height: 44px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}
.header-search { position: relative; }
.header-search__form {
	position: absolute;
	inset-inline-end: 0;
	inset-block-start: calc(100% + 8px);
	width: min(320px, 90vw);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-medium);
	box-shadow: var(--shadow-medium);
	padding: 0.75rem;
	z-index: 60;
}

.search-form { display: flex; gap: 0.5rem; }
.search-field {
	flex: 1;
	min-width: 0;
	padding: 0.55rem 0.75rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-small);
	background: var(--color-surface);
	color: var(--color-body);
}
.search-submit {
	background: var(--color-primary);
	color: #fff;
	border: 0;
	border-radius: var(--radius-small);
	padding: 0.55rem 1rem;
	font-weight: 600;
}
.search-submit:hover { background: var(--color-primary-dark); }

/* ---------- Hero ---------- */
.hero { padding-block-start: 1.5rem; }
.hero__grid {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: minmax(0, 1fr);
}
.hero__side { display: grid; gap: 1rem; align-content: start; }
@media (min-width: 900px) {
	.hero__grid { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
}
.hero__split {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 768px) {
	.hero__split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Cards ---------- */
.card { background: var(--color-surface); }
.card__media {
	display: block;
	overflow: hidden;
	border-radius: var(--radius-medium);
	background: var(--color-surface-alt);
	aspect-ratio: 16 / 10; /* reserved space prevents CLS on image load */
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__media-fallback {
	display: block;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, var(--color-surface-alt), var(--color-border));
}
.card__title { margin: 0.35rem 0; font-size: 1.05rem; line-height: 1.35; }
.card__title a { color: var(--color-heading); }
.card__title a:hover { color: var(--color-primary); text-decoration: none; }
.card__excerpt { margin: 0.25rem 0 0.5rem; font-size: 0.92rem; color: var(--color-body); }

.cat-badge {
	display: inline-block;
	font-size: 0.72rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--color-primary);
}

.post-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 0.85rem;
	font-size: 0.8rem;
	color: var(--color-muted);
}
.post-meta a { color: var(--color-heading); font-weight: 600; }

.card--horizontal {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 1rem;
	padding-block: 1.25rem;
	border-block-end: 1px solid var(--color-border);
}
@media (min-width: 600px) {
	.card--horizontal { grid-template-columns: 280px minmax(0, 1fr); align-items: start; }
	.card--horizontal .card__title { font-size: 1.25rem; }
}

.card--compact {
	display: grid;
	grid-template-columns: 96px minmax(0, 1fr);
	gap: 0.85rem;
	align-items: center;
}
.card--compact .card__media { aspect-ratio: 1 / 1; border-radius: var(--radius-small); }
.card--compact .card__title { font-size: 0.95rem; margin-block-start: 0; }

.card--overlay { position: relative; border-radius: var(--radius-medium); overflow: hidden; }
.card--overlay .card__media { aspect-ratio: 16 / 10; border-radius: 0; }
.card--overlay-large .card__media { aspect-ratio: 3 / 2; }
.card--overlay .card__overlay {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: 1.25rem;
	background: linear-gradient(to top, rgba(10, 15, 22, 0.85) 0%, rgba(10, 15, 22, 0.25) 55%, transparent 100%);
}
.card--overlay .cat-badge { color: var(--color-accent); }
.card--overlay .card__title { font-size: clamp(1.1rem, 1rem + 1vw, 1.6rem); }
.card--overlay .card__title a { color: #fff; }
.card--overlay .post-meta { color: #cbd5e1; }
.card--overlay .post-meta a { color: #fff; }

.card-grid { display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 600px) { .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) {
	.card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- Sections ---------- */
.home-section { margin-block-end: 3rem; }
.home-section__header {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 1rem;
	border-block-end: 2px solid var(--color-heading);
	padding-block-end: 0.5rem;
	margin-block-end: 1.25rem;
}
.section-title { font-size: 1.25rem; margin: 0; }
.section-title a { color: var(--color-heading); }
.section-more { font-size: 0.85rem; font-weight: 600; white-space: nowrap; }

/* ---------- Single article ---------- */
.single-article__header { max-width: var(--container-reading); margin-inline: auto; padding-block-start: 1rem; }
.single-article__title { margin-block: 0.5rem; }
.single-article__standfirst { font-size: 1.15rem; color: var(--color-muted); }
.single-article__media { margin-block: 1.5rem; }
.single-article__media img { border-radius: var(--radius-medium); width: 100%; }

.entry-content {
	max-width: var(--container-reading);
	margin-inline: auto;
	font-size: 1.06rem;
}
.entry-content h2, .entry-content h3 { margin-block-start: 1.75em; }
.entry-content img { border-radius: var(--radius-medium); }
.entry-content .alignwide { max-width: var(--container-content); margin-inline: auto; }
.entry-content .alignfull { max-width: none; margin-inline: calc(50% - 50vw); }
.entry-content iframe, .entry-content embed { max-width: 100%; }

.single-article__footer { max-width: var(--container-reading); margin-inline: auto; }
.tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block: 1.5rem; }
.tag-list a {
	background: var(--color-surface-alt);
	border: 1px solid var(--color-border);
	border-radius: 999px;
	padding: 0.25rem 0.85rem;
	font-size: 0.8rem;
	color: var(--color-body);
}

.author-box {
	display: flex;
	gap: 1rem;
	background: var(--color-surface-alt);
	border-radius: var(--radius-large);
	padding: 1.25rem;
	margin-block: 2rem;
	align-items: flex-start;
}
.author-box img { border-radius: 50%; }
.author-box__name { font-size: 1.05rem; margin-block-end: 0.25rem; }
.author-box p { margin: 0; font-size: 0.92rem; }

.reading-progress {
	position: fixed;
	inset-block-start: 0;
	inset-inline: 0;
	height: 3px;
	z-index: 300;
	background: transparent;
	pointer-events: none;
}
.reading-progress__bar {
	display: block;
	height: 100%;
	background: var(--color-primary);
	transform: scaleX(0);
	transform-origin: 0 50%;
}

.post-navigation .nav-links {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
	margin-block: 2rem;
	max-width: var(--container-reading);
	margin-inline: auto;
}
.post-navigation a {
	display: block;
	background: var(--color-surface-alt);
	border-radius: var(--radius-medium);
	padding: 1rem;
	color: var(--color-heading);
	font-weight: 600;
}
.post-navigation .nav-label { display: block; font-size: 0.75rem; text-transform: uppercase; color: var(--color-muted); letter-spacing: 0.05em; }
.post-navigation .nav-next { text-align: end; }

.related-posts { margin-block: 2.5rem; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: 0.82rem; color: var(--color-muted); margin-block-end: 0.75rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; }
.breadcrumbs li + li::before { content: "/"; margin-inline-end: 0.4rem; color: var(--color-border); }

/* ---------- Sidebar & widgets ---------- */
.widget { margin-block-end: 2rem; }
.widget-title {
	font-size: 1rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	border-block-end: 2px solid var(--color-heading);
	padding-block-end: 0.5rem;
	margin-block-end: 1rem;
}
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { padding-block: 0.4rem; border-block-end: 1px solid var(--color-border); }
.widget a { color: var(--color-body); }
.widget a:hover { color: var(--color-primary); }

@media (min-width: 1024px) {
	.sidebar { position: sticky; inset-block-start: 90px; align-self: start; }
}

/* ---------- Ads ---------- */
.ad-slot {
	margin-block: 1.5rem;
	text-align: center;
	min-height: 120px; /* reserved space; adjust via CSS if slot sizes differ */
}
.ad-slot__label {
	display: block;
	font-size: 0.65rem;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--color-muted);
	margin-block-end: 0.25rem;
}
.ad-slot__inner { display: flex; justify-content: center; }
.ad-slot__inner img { max-width: 100%; height: auto; }

/* ---------- Pagination & load more ---------- */
.pagination-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 2rem 0; justify-content: center; }
.pagination-nav .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	padding: 0 0.75rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-small);
	color: var(--color-heading);
	font-weight: 600;
}
.pagination-nav .current { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.load-more {
	display: block;
	width: 100%;
	max-width: 320px;
	margin: 2rem auto 0;
	background: var(--color-primary);
	color: #fff;
	border: 0;
	border-radius: var(--radius-small);
	padding: 0.85rem 1.5rem;
	font-weight: 700;
}
.load-more:hover { background: var(--color-primary-dark); }
.load-more:disabled { opacity: 0.6; cursor: wait; }
.load-more-status { text-align: center; color: var(--color-muted); font-size: 0.9rem; min-height: 1.4em; margin-block: 0.5rem; }

/* ---------- Footer ---------- */
.site-footer {
	background: var(--color-dark-surface);
	color: #cbd5e1;
	margin-block-start: 3rem;
}
.footer-widgets {
	display: grid;
	gap: 2rem;
	grid-template-columns: minmax(0, 1fr);
	padding-block: 3rem;
}
@media (min-width: 600px) { .footer-widgets { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .footer-widgets { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.site-footer .widget-title { color: #f1f5f9; border-color: #334155; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.site-footer .widget li { border-color: #1f2937; }

.site-footer__bottom { border-block-start: 1px solid #1f2937; }
.site-footer__bottom-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem;
	padding-block: 1.25rem;
	font-size: 0.85rem;
}
.footer-menu { display: flex; flex-wrap: wrap; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.site-footer__copyright { margin: 0; }
.back-to-top { margin-inline-start: auto; }

/* ---------- Comments & forms ---------- */
.comments-area { max-width: var(--container-reading); margin-inline: auto; margin-block: 2.5rem; }
.comment-list { list-style: none; padding: 0; }
.comment-list .comment { border-block-end: 1px solid var(--color-border); padding-block: 1.25rem; }
.comment-list .children { list-style: none; padding-inline-start: 2rem; }
.comment-form label { display: block; font-weight: 600; margin-block-end: 0.25rem; color: var(--color-heading); }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 0.6rem 0.75rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-small);
	background: var(--color-surface);
	color: var(--color-body);
	margin-block-end: 1rem;
}
.comment-form .submit {
	background: var(--color-primary);
	color: #fff;
	border: 0;
	border-radius: var(--radius-small);
	padding: 0.75rem 1.5rem;
	font-weight: 700;
}

/* ---------- Misc ---------- */
.page-header { margin-block-end: 1.5rem; }
.archive-description { color: var(--color-muted); }
.search-count { color: var(--color-muted); font-size: 0.9rem; }
.wp-caption { max-width: 100%; }
.sticky { /* required class for Theme Check; visual treatment via badge */ }
.sticky .card__title::before { content: "★ "; color: var(--color-primary); }
.bypostauthor { /* required class */ }
.alignleft { float: inline-start; margin-inline-end: 1.5rem; margin-block-end: 1rem; }
.alignright { float: inline-end; margin-inline-start: 1.5rem; margin-block-end: 1rem; }
.aligncenter { margin-inline: auto; }