/*
Theme Name: MRC Publisher Theme
Theme URI: https://mrcventures.com/
Author: MRC Ventures
Description: A clean, mobile-responsive media-publication theme for MRC niche B2B news sites (ReliabilityInsider and clones). Magazine-style layout in the spirit of modern tech-news sites, with Elementor Pro Theme Builder support and a Branding customizer. Pairs with the MRC Publisher plugin and dashboard.
Version: 0.1.0
Requires at least: 6.0
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: mrc-publisher-theme
*/

/* ---- Design tokens ------------------------------------------------------- */
:root {
	--mrc-ink: #0f172a;
	--mrc-muted: #64748b;
	--mrc-line: #e7e9ee;
	--mrc-brand: #1f6feb;
	--mrc-bg: #ffffff;
	--mrc-soft: #f6f7f9;
	--mrc-max: 1200px;
	--mrc-radius: 12px;
	--mrc-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
	--mrc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--mrc-serif: Georgia, "Times New Roman", serif;
	--mrc-heading-font: var(--mrc-font);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--mrc-font);
	color: var(--mrc-ink);
	background: var(--mrc-bg);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}
a { color: var(--mrc-brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.mrc-container { max-width: var(--mrc-max); margin: 0 auto; padding: 0 24px; }

.screen-reader-text {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}
.screen-reader-text:focus {
	left: 12px; top: 12px;
	width: auto; height: auto;
	clip: auto;
	background: #fff;
	padding: 10px 16px;
	border-radius: 8px;
	z-index: 1000;
}

/* ---- Header -------------------------------------------------------------- */
.site-header {
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: saturate(180%) blur(8px);
	border-bottom: 1px solid var(--mrc-line);
	position: sticky;
	top: 0;
	z-index: 50;
	transition: box-shadow 0.2s ease;
}
.site-header.is-scrolled { box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06); }
.site-header__inner {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	padding: 14px 24px;
}
.site-branding { flex: 0 0 auto; margin-right: 0.5rem; }
.site-branding .site-title {
	font-family: var(--mrc-heading-font);
	font-size: 1.4rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	margin: 0;
	line-height: 1.1;
}
.site-branding .site-title a { color: var(--mrc-ink); }
.site-branding .site-title a:hover { text-decoration: none; }
.site-branding .site-description { font-size: 0.78rem; color: var(--mrc-muted); margin: 2px 0 0; }
.custom-logo { max-height: 40px; width: auto; }

.main-navigation { flex: 1 1 auto; }
.main-navigation ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1.4rem;
	margin: 0;
	padding: 0;
}
.main-navigation a {
	color: var(--mrc-ink);
	font-weight: 600;
	font-size: 0.92rem;
}
.main-navigation a:hover { color: var(--mrc-brand); text-decoration: none; }
.main-navigation .current-menu-item > a { color: var(--mrc-brand); }

.site-header__actions { flex: 0 0 auto; display: flex; align-items: center; gap: 0.85rem; }
.mrc-search-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px; height: 38px;
	border: 1px solid var(--mrc-line);
	border-radius: 50%;
	background: #fff;
	color: var(--mrc-ink);
	cursor: pointer;
	transition: border-color 0.15s ease, color 0.15s ease;
}
.mrc-search-toggle:hover { border-color: var(--mrc-brand); color: var(--mrc-brand); }

.mrc-cta-button {
	display: inline-block;
	background: var(--mrc-brand);
	color: #fff;
	font-weight: 700;
	font-size: 0.9rem;
	padding: 9px 18px;
	border-radius: 999px;
	white-space: nowrap;
}
.mrc-cta-button:hover { filter: brightness(0.93); text-decoration: none; color: #fff; }
.mrc-cta-button--block { display: block; text-align: center; }

.mrc-search-panel { border-top: 1px solid var(--mrc-line); background: #fff; padding: 16px 0; }
.mrc-search-panel form { display: flex; gap: 8px; }
.mrc-search-panel input[type="search"],
.mrc-search-panel input[type="text"] {
	flex: 1 1 auto;
	border: 1px solid var(--mrc-line);
	border-radius: 999px;
	padding: 12px 18px;
	font-size: 1rem;
}
.mrc-search-panel button,
.mrc-search-panel input[type="submit"] {
	border: 0;
	background: var(--mrc-brand);
	color: #fff;
	font-weight: 700;
	padding: 0 22px;
	border-radius: 999px;
	cursor: pointer;
}

@media (max-width: 900px) {
	.site-header__inner { flex-wrap: wrap; gap: 0.75rem 1rem; }
	.main-navigation { order: 3; flex-basis: 100%; }
	.main-navigation ul { gap: 1rem; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
	.site-header__actions { margin-left: auto; }
}

/* ---- Layout -------------------------------------------------------------- */
.site-main { padding: 32px 0 64px; }
.mrc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; }
@media (max-width: 1000px) { .mrc-layout { grid-template-columns: 1fr; gap: 40px; } }
.mrc-fullwidth { padding: 8px 0 24px; }

/* ---- Section titles ------------------------------------------------------ */
.mrc-section-title {
	font-family: var(--mrc-heading-font);
	font-size: 1.05rem;
	font-weight: 800;
	letter-spacing: -0.01em;
	margin: 8px 0 20px;
	padding-bottom: 10px;
	border-bottom: 2px solid var(--mrc-ink);
	text-transform: uppercase;
}

/* ---- Category tag -------------------------------------------------------- */
.mrc-tag {
	display: inline-block;
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--mrc-brand);
}
.mrc-tag:hover { text-decoration: none; filter: brightness(0.9); }

/* ---- Byline -------------------------------------------------------------- */
.mrc-byline { display: flex; align-items: center; gap: 8px; margin-top: 12px; color: var(--mrc-muted); font-size: 0.82rem; }
.mrc-byline__avatar img { width: 28px; height: 28px; border-radius: 50%; }
.mrc-byline__author { color: var(--mrc-ink); font-weight: 600; }
.mrc-byline__sep { color: var(--mrc-line); }

/* ---- Lead / hero story --------------------------------------------------- */
.mrc-lead { margin-bottom: 36px; }
.mrc-card--feature { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; align-items: center; }
.mrc-card--feature .mrc-card__thumb { aspect-ratio: 16 / 10; margin: 0; }
.mrc-card--feature .mrc-card__title { font-size: 2rem; line-height: 1.15; }
.mrc-card--feature .mrc-card__excerpt { font-size: 1.02rem; -webkit-line-clamp: 4; }
.mrc-card--feature .mrc-byline__avatar img { width: 32px; height: 32px; }
@media (max-width: 720px) {
	.mrc-card--feature { grid-template-columns: 1fr; gap: 16px; }
	.mrc-card--feature .mrc-card__title { font-size: 1.5rem; }
}

/* ---- Article cards (grid) ------------------------------------------------ */
.mrc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 28px; }
.mrc-grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 880px) { .mrc-grid--3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .mrc-grid, .mrc-grid--3 { grid-template-columns: 1fr; } }

.mrc-card { display: flex; flex-direction: column; }
.mrc-card__thumb {
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	border-radius: var(--mrc-radius);
	background: var(--mrc-soft);
	margin-bottom: 14px;
}
.mrc-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.mrc-card:hover .mrc-card__thumb img { transform: scale(1.04); }
.mrc-card__tag { margin-bottom: 8px; }
.mrc-card__title { font-family: var(--mrc-heading-font); font-size: 1.16rem; line-height: 1.32; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
.mrc-card__title a { color: var(--mrc-ink); }
.mrc-card__title a:hover { color: var(--mrc-brand); text-decoration: none; }
.mrc-card__excerpt {
	font-size: 0.92rem;
	color: #475569;
	margin: 8px 0 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* ---- Single article ------------------------------------------------------ */
.mrc-article { max-width: 760px; }
.mrc-article--wide { max-width: none; }
.mrc-article__header { margin-bottom: 22px; }
.mrc-article__tag { margin-bottom: 12px; }
.mrc-article__title { font-family: var(--mrc-heading-font); font-size: 2.4rem; line-height: 1.15; margin: 0 0 14px; font-weight: 800; letter-spacing: -0.02em; }
.mrc-article__header .mrc-byline { font-size: 0.9rem; }
.mrc-article__header .mrc-byline__avatar img { width: 40px; height: 40px; }
.mrc-article__featured { margin: 0 0 28px; }
.mrc-article__featured img { width: 100%; border-radius: var(--mrc-radius); }
.mrc-article__featured figcaption { font-size: 0.82rem; color: var(--mrc-muted); margin-top: 8px; }
@media (max-width: 640px) { .mrc-article__title { font-size: 1.7rem; } }

.mrc-article__content { font-size: 1.09rem; line-height: 1.75; color: #1e293b; }
.mrc-article__content p { margin: 0 0 1.3em; }
.mrc-article__content h2 { font-family: var(--mrc-heading-font); font-size: 1.55rem; margin: 1.7em 0 0.5em; letter-spacing: -0.01em; }
.mrc-article__content h3 { font-family: var(--mrc-heading-font); font-size: 1.25rem; margin: 1.5em 0 0.5em; }
.mrc-article__content img { border-radius: var(--mrc-radius); margin: 1.2em 0; }
.mrc-article__content a { text-decoration: underline; text-underline-offset: 2px; }
.mrc-article__content ul, .mrc-article__content ol { margin: 0 0 1.3em; padding-left: 1.3em; }
.mrc-article__content li { margin-bottom: 0.4em; }
.mrc-article__content blockquote {
	border-left: 4px solid var(--mrc-brand);
	margin: 1.6em 0;
	padding: 0.4em 1.3em;
	color: #334155;
	font-size: 1.15rem;
	font-style: italic;
}
.mrc-article__footer { margin-top: 28px; }
.mrc-tags a {
	display: inline-block;
	background: var(--mrc-soft);
	color: var(--mrc-muted);
	font-size: 0.8rem;
	padding: 4px 12px;
	border-radius: 999px;
	margin: 0 6px 6px 0;
}
.mrc-tags a:hover { text-decoration: none; color: var(--mrc-brand); }

/* ---- Related posts ------------------------------------------------------- */
.mrc-related { margin-top: 48px; padding-top: 8px; border-top: 1px solid var(--mrc-line); }

/* ---- Sidebar ------------------------------------------------------------- */
.mrc-sidebar .widget { margin-bottom: 36px; }
.mrc-sidebar .widget-title {
	font-family: var(--mrc-heading-font);
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--mrc-ink);
	border-bottom: 2px solid var(--mrc-ink);
	padding-bottom: 8px;
	margin: 0 0 16px;
}
.mrc-trending__list { list-style: none; margin: 0; padding: 0; counter-reset: mrc-rank; }
.mrc-trending__item { display: flex; gap: 14px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--mrc-line); }
.mrc-trending__item:last-child { border-bottom: 0; }
.mrc-trending__rank { counter-increment: mrc-rank; }
.mrc-trending__rank::before {
	content: counter(mrc-rank);
	font-family: var(--mrc-heading-font);
	font-size: 1.3rem;
	font-weight: 800;
	color: var(--mrc-line);
	line-height: 1;
}
.mrc-trending__link { color: var(--mrc-ink); font-weight: 600; font-size: 0.95rem; line-height: 1.35; }
.mrc-trending__link:hover { color: var(--mrc-brand); text-decoration: none; }

.mrc-newsletter {
	background: var(--mrc-soft);
	border: 1px solid var(--mrc-line);
	border-radius: var(--mrc-radius);
	padding: 20px;
}
.mrc-newsletter .widget-title { border: 0; padding: 0; margin-bottom: 8px; }
.mrc-newsletter__text { margin: 0 0 14px; color: #475569; font-size: 0.92rem; }
.mrc-newsletter__hint { margin: 0; color: var(--mrc-muted); font-size: 0.82rem; }

/* widgets the user drops in */
.mrc-sidebar .widget ul { list-style: none; margin: 0; padding: 0; }
.mrc-sidebar .widget ul li { padding: 8px 0; border-bottom: 1px solid var(--mrc-line); }

/* ---- Footer -------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--mrc-line); background: var(--mrc-soft); padding: 48px 0 32px; margin-top: 24px; }
.site-footer__cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
@media (max-width: 780px) { .site-footer__cols { grid-template-columns: 1fr 1fr; } .site-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .site-footer__cols { grid-template-columns: 1fr; } }
.site-footer__title { font-family: var(--mrc-heading-font); font-size: 1.2rem; font-weight: 800; margin: 0 0 8px; }
.site-footer__tagline { color: var(--mrc-muted); font-size: 0.9rem; margin: 0; max-width: 34ch; }
.site-footer__heading { font-family: var(--mrc-heading-font); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--mrc-muted); margin: 0 0 14px; }
.site-footer__col ul { list-style: none; margin: 0; padding: 0; }
.site-footer__col li { margin-bottom: 9px; }
.site-footer__col a { color: var(--mrc-ink); font-size: 0.92rem; }
.site-footer__col a:hover { color: var(--mrc-brand); }
.site-footer__bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--mrc-line); color: var(--mrc-muted); font-size: 0.85rem; }
.site-footer__bottom a { color: var(--mrc-muted); }

/* ---- Page title / archive / pagination ----------------------------------- */
.mrc-archive-header { margin-bottom: 28px; }
.mrc-page-title { font-family: var(--mrc-heading-font); font-size: 1.9rem; margin: 0 0 8px; letter-spacing: -0.02em; }
.mrc-archive-desc { color: var(--mrc-muted); }
.mrc-pagination { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 8px; }
.mrc-pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 40px; height: 40px; padding: 0 12px;
	border: 1px solid var(--mrc-line); border-radius: 10px;
	color: var(--mrc-ink); font-weight: 600;
}
.mrc-pagination .page-numbers:hover { border-color: var(--mrc-brand); color: var(--mrc-brand); text-decoration: none; }
.mrc-pagination .current { background: var(--mrc-brand); color: #fff; border-color: var(--mrc-brand); }

/* ---- Page links (paginated posts) ---------------------------------------- */
.mrc-page-links { margin: 1.5em 0; font-weight: 600; }