/*
 * ClaudeAI.Guide — Brand CSS
 * -------------------------------------------------------------
 * Mintlify / Vercel-docs inspired. Light, airy, developer-first.
 * One accent color. Generous whitespace. Large confident typography.
 */

:root {
	/* Neutral scale */
	--cag-bg:         #ffffff;
	--cag-bg-alt:     #fafafa;
	--cag-line:       #e5e5e5;
	--cag-line-soft:  #f0f0f0;
	--cag-ink:        #0a0a0a;
	--cag-body:       #171717;
	--cag-muted:      #737373;
	--cag-subtle:     #a3a3a3;

	/* Single accent — cyan. `--cag-accent` is for DECORATION only
	   (borders, backgrounds, icons, selection). For link TEXT on white,
	   use `--cag-link` — dark enough to satisfy WCAG AA (>=4.5:1). */
	--cag-accent:       #06b6d4;
	--cag-accent-dark:  #0891b2;
	--cag-accent-soft:  #ecfeff;
	--cag-link:         #0e7490; /* cyan-700, 5.83:1 on #fff — AA pass */
	--cag-link-hover:   #155e75; /* cyan-800, 8.62:1 on #fff — AAA pass */

	/* Code block */
	--cag-code-bg:    #0a0a0a;
	--cag-code-fg:    #e5e5e5;
	--cag-code-inline-bg: #f5f5f5;

	/* Typography */
	--cag-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--cag-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;

	/* Shape */
	--cag-radius-sm: 6px;
	--cag-radius:    8px;
	--cag-radius-lg: 12px;

	/* Spacing scale */
	--cag-section-y: clamp(4rem, 6vw, 7.5rem);  /* 64 → 120px */
	--cag-header-h:  72px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--cag-header-h) + 1rem); }

/* ============================================================
 * Base
 * ========================================================== */
body,
.ct-main-container {
	background: var(--cag-bg);
	color: var(--cag-body);
	font-family: var(--cag-sans);
	font-size: 18px;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-feature-settings: "cv11", "ss01";
}

::selection { background: var(--cag-accent-soft); color: var(--cag-ink); }

/* ============================================================
 * Typography — large, confident, tight
 * ========================================================== */
h1, h2, h3, h4, h5, h6,
.entry-title,
.wp-block-heading {
	color: var(--cag-ink);
	font-family: var(--cag-sans);
	font-weight: 700;
	letter-spacing: -0.03em;
}

h1, .entry-title, h1.wp-block-heading {
	font-size: clamp(2.5rem, 1.8rem + 3vw, 3.5rem);  /* 40 → 56 */
	font-weight: 800;
	line-height: 1.05;
	letter-spacing: -0.035em;
	margin: 0 0 1rem;
}

h2, h2.wp-block-heading {
	font-size: clamp(1.75rem, 1.35rem + 1.6vw, 2.25rem);  /* 28 → 36 */
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.025em;
	margin: 3.5rem 0 1rem;
}

h3, h3.wp-block-heading {
	font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.4rem);  /* 20 → 22 */
	font-weight: 700;
	line-height: 1.3;
	letter-spacing: -0.02em;
	margin: 2.5rem 0 0.75rem;
}

h4, h4.wp-block-heading {
	font-size: 1.125rem;
	font-weight: 700;
	line-height: 1.4;
	margin: 2rem 0 0.5rem;
}

p, li {
	color: var(--cag-body);
	font-size: 1rem;
}

.entry-content p,
.entry-content li {
	margin-bottom: 1.25rem;
}

/* First-paragraph lead */
.entry-content > p:first-of-type {
	font-size: 1.175rem;
	line-height: 1.65;
	color: var(--cag-body);
}

a {
	color: var(--cag-link);
	text-decoration: none;
	transition: color .12s ease;
}
a:hover { color: var(--cag-link-hover); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

.entry-content a {
	text-decoration: underline;
	text-decoration-color: rgba(14, 116, 144, 0.45);
	text-underline-offset: 3px;
	text-decoration-thickness: 1px;
}
.entry-content a:hover {
	text-decoration-color: var(--cag-link);
}

strong, b { color: var(--cag-ink); font-weight: 700; }

code, kbd, samp {
	font-family: var(--cag-mono);
	font-size: 0.9em;
	background: var(--cag-code-inline-bg);
	border: 1px solid var(--cag-line);
	border-radius: var(--cag-radius-sm);
	padding: 0.12em 0.4em;
	color: var(--cag-ink);
}

.wp-block-code,
pre {
	background: var(--cag-code-bg);
	color: var(--cag-code-fg);
	border-radius: var(--cag-radius);
	padding: 1.25rem 1.5rem;
	border: 0;
	overflow-x: auto;
	font-size: 0.92rem;
	line-height: 1.6;
	margin: 1.75rem 0;
}
.wp-block-code code,
pre code {
	background: transparent;
	border: 0;
	color: inherit;
	padding: 0;
	font-size: inherit;
}

blockquote,
.wp-block-quote {
	border-left: 3px solid var(--cag-accent);
	background: var(--cag-bg-alt);
	padding: 1rem 1.35rem;
	margin: 1.75rem 0;
	border-radius: 0 var(--cag-radius) var(--cag-radius) 0;
	color: var(--cag-ink);
}

/* Tables */
.wp-block-table table {
	border-collapse: separate;
	border-spacing: 0;
	width: 100%;
	border: 1px solid var(--cag-line);
	border-radius: var(--cag-radius);
	overflow: hidden;
	background: #fff;
	font-size: 0.95rem;
}
.wp-block-table th,
.wp-block-table td {
	padding: 0.75rem 1rem;
	border-bottom: 1px solid var(--cag-line);
	text-align: left;
	vertical-align: top;
}
.wp-block-table th {
	background: var(--cag-bg-alt);
	font-weight: 600;
	color: var(--cag-ink);
}
.wp-block-table tr:last-child td { border-bottom: 0; }

.wp-block-separator {
	border: 0;
	height: 1px;
	background: var(--cag-line);
	margin: 3rem auto;
	max-width: 100%;
}

figure.wp-block-image img { border-radius: var(--cag-radius); }
figure.wp-block-image figcaption {
	color: var(--cag-muted);
	font-size: 0.88rem;
	text-align: center;
	margin-top: 0.6rem;
}

/* ============================================================
 * Buttons
 * ========================================================== */
.wp-block-button__link,
.ct-button,
button.wp-element-button,
.wp-element-button {
	background: var(--cag-ink);
	color: #ffffff !important;
	border-radius: var(--cag-radius-sm);
	padding: 0.75em 1.25em;
	font-weight: 600;
	font-size: 0.95rem;
	letter-spacing: -0.005em;
	font-family: var(--cag-sans);
	transition: background .12s ease, transform .12s ease;
	border: 0;
	text-decoration: none !important;
}
.wp-block-button__link:hover,
.ct-button:hover,
button.wp-element-button:hover,
.wp-element-button:hover {
	background: #262626;
	color: #ffffff !important;
}

.is-style-outline .wp-block-button__link,
.wp-block-button.is-style-outline .wp-block-button__link {
	background: transparent;
	color: var(--cag-ink) !important;
	border: 1px solid var(--cag-line);
	box-shadow: none;
}
.is-style-outline .wp-block-button__link:hover {
	background: var(--cag-bg-alt);
	border-color: var(--cag-ink);
}

/* Primary accent button helper */
.cag-btn-accent,
.wp-block-button.is-style-cyan .wp-block-button__link {
	background: var(--cag-accent) !important;
	color: #ffffff !important;
}
.cag-btn-accent:hover,
.wp-block-button.is-style-cyan .wp-block-button__link:hover {
	background: var(--cag-accent-dark) !important;
}

/* ============================================================
 * Header — airy, light, single bottom border
 * ========================================================== */
[data-header],
header.ct-header {
	background: var(--cag-bg) !important;
	border-bottom: 1px solid var(--cag-line);
	box-shadow: none !important;
}

header.ct-header [data-row] {
	background: transparent !important;
	box-shadow: none !important;
}

header.ct-header .ct-container,
header.ct-header [data-row] .ct-container {
	min-height: var(--cag-header-h);
	padding-top: 0.75rem;
	padding-bottom: 0.75rem;
}

header.ct-header [data-id="menu"] > ul > li > a,
.ct-header-text,
.ct-header a {
	font-family: var(--cag-sans);
	font-weight: 500;
	font-size: 0.95rem;
	color: var(--cag-body);
	letter-spacing: -0.005em;
	padding: 0.5rem 0.9rem;
}
header.ct-header [data-id="menu"] > ul > li { margin: 0 0.1rem; }
header.ct-header [data-id="menu"] > ul > li > a:hover,
header.ct-header [data-id="menu"] .current-menu-item > a,
header.ct-header [data-id="menu"] .current-menu-ancestor > a {
	color: var(--cag-link);
}

.site-logo-container img,
.ct-header-logo img,
.custom-logo {
	max-height: 40px;
	width: auto;
	height: auto;
}

/* ============================================================
 * Content measure + rhythm
 * ========================================================== */
.ct-container,
.ct-container-full {
	--container-max: 1200px;
}

main.site-main {
	padding-top: var(--cag-section-y);
	padding-bottom: var(--cag-section-y);
}

.entry-content {
	max-width: 1100px;
	margin-left: auto;
	margin-right: auto;
	font-size: 1rem;
	line-height: 1.75;
}
.entry-content > * {
	max-width: 100%;
	margin-left: auto;
	margin-right: auto;
}
.entry-content > .wp-block-table,
.entry-content > .wp-block-image,
.entry-content > .wp-block-gallery {
	max-width: 100%;
}
.entry-content > .alignwide { max-width: 1300px; }
.entry-content > .alignfull { max-width: none; }

/* On single posts, the docs grid owns the width — uncap entry-content so it can expand. */
.single .entry-content,
.single .entry-content.is-layout-constrained {
	max-width: none;
}

/* ============================================================
 * Docs layout — sticky TOC + main article (single posts)
 * ========================================================== */
.single .cag-docs-layout {
	display: grid;
	grid-template-columns: 260px minmax(0, 1100px);
	gap: 4.5rem;
	max-width: 1440px;
	margin: 0 auto;
	align-items: start;
}
.single .cag-docs-layout .cag-content-body { min-width: 0; }
.single .cag-docs-layout .cag-content-body > * { max-width: 100%; margin-left: 0; margin-right: 0; }

.cag-toc {
	grid-column: 1;
	position: sticky;
	top: calc(var(--cag-header-h) + 2rem);
	align-self: start;
	max-height: calc(100vh - var(--cag-header-h) - 3rem);
	overflow-y: auto;
	padding: 0 0.5rem 2rem 0;
}
.cag-toc__label {
	font-size: 0.72rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--cag-muted);
	font-weight: 600;
	margin: 0 0 0.9rem;
}
.cag-toc nav ul {
	list-style: none;
	padding: 0;
	margin: 0;
	border-left: 1px solid var(--cag-line);
}
.cag-toc nav li { margin: 0; }
.cag-toc nav a {
	display: block;
	padding: 0.4rem 0 0.4rem 0.9rem;
	font-size: 0.875rem;
	line-height: 1.5;
	color: var(--cag-muted);
	text-decoration: none;
	margin-left: -1px;
	border-left: 2px solid transparent;
	transition: color .12s ease, border-color .12s ease;
}
.cag-toc nav a:hover { color: var(--cag-ink); }
.cag-toc nav a.is-active {
	color: var(--cag-link);
	border-left-color: var(--cag-accent);
	font-weight: 500;
}
.cag-toc nav a.is-sub { padding-left: 1.75rem; font-size: 0.83rem; }

/* Collapse TOC on narrow viewports */
@media (max-width: 960px) {
	.single .cag-docs-layout {
		grid-template-columns: 1fr;
		gap: 0;
	}
	.cag-toc {
		display: none;  /* future: collapse into a floating button */
	}
}

/* ============================================================
 * Breadcrumbs (Rank Math) — emitted via blocksy:hero:title:before
 * ========================================================== */
.cag-breadcrumbs-wrap {
	max-width: 1100px;
	margin: 0 auto 1rem;
	font-family: var(--cag-sans);
}
.rank-math-breadcrumb {
	font-size: 0.875rem;
	line-height: 1.5;
	color: var(--cag-muted);
	margin: 0;
}
.rank-math-breadcrumb p {
	margin: 0;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.15rem;
}
.rank-math-breadcrumb a {
	color: var(--cag-muted);
	text-decoration: none;
	transition: color .12s ease;
	padding: 0.1rem 0;
}
.rank-math-breadcrumb a:hover {
	color: var(--cag-link);
	text-decoration: none;
}
.rank-math-breadcrumb .separator {
	color: var(--cag-subtle);
	margin: 0 0.35rem;
	user-select: none;
}
.rank-math-breadcrumb .last {
	color: var(--cag-ink);
	font-weight: 500;
}

/* ============================================================
 * Archive pages (category pillars)
 * ========================================================== */
.archive main.site-main {
	padding-top: calc(var(--cag-section-y) * 0.75);
}
.archive .page-header,
.archive-page-header {
	padding: 0 0 2.5rem;
	border-bottom: 1px solid var(--cag-line);
	margin-bottom: 3rem;
	max-width: 1100px;
	margin-left: auto;
	margin-right: auto;
}
.archive .page-title,
.archive .page-header h1 {
	font-size: clamp(2.5rem, 1.9rem + 2.6vw, 3.5rem);
	font-weight: 800;
	line-height: 1.05;
	letter-spacing: -0.035em;
	color: var(--cag-ink);
	margin: 0 0 0.5rem;
}
.archive .archive-description {
	color: var(--cag-muted);
	font-size: 1.1rem;
	max-width: 640px;
}

.entries { max-width: 1100px; margin-left: auto; margin-right: auto; }
.entries article,
.ct-post-card {
	border-bottom: 1px solid var(--cag-line);
	padding: 1.75rem 0;
	margin: 0;
}
.entries .entry-title,
.ct-post-card .entry-title {
	font-size: 1.4rem;
	font-weight: 700;
	line-height: 1.3;
	letter-spacing: -0.02em;
	margin: 0 0 0.5rem;
}
.entries .entry-title a,
.ct-post-card .entry-title a {
	color: var(--cag-ink);
	text-decoration: none;
}
.entries .entry-title a:hover,
.ct-post-card .entry-title a:hover {
	color: var(--cag-link);
}
.entries .entry-excerpt,
.ct-post-card .entry-excerpt {
	color: var(--cag-muted);
	font-size: 0.975rem;
	line-height: 1.6;
	margin: 0;
}
.entries .entry-meta,
.ct-post-card .entry-meta {
	color: var(--cag-subtle);
	font-size: 0.85rem;
	margin: 0 0 0.4rem;
}

/* ============================================================
 * Footer — minimal, full-width, Mintlify-ish
 * ========================================================== */
body.cag-footer-active .ct-footer { display: none !important; }

#cag-site-footer.cag-footer {
	background: var(--cag-bg-alt);
	color: var(--cag-body);
	font-family: var(--cag-sans);
	border-top: 1px solid var(--cag-line);
	margin: 0;
	padding: 0;
	width: 100%;
	box-sizing: border-box;
}

.cag-footer__inner {
	max-width: 1200px;
	margin: 0 auto;
	padding: 4rem 1.5rem 2.5rem;
	display: grid;
	grid-template-columns: 1.8fr 1fr 1fr 1fr;
	gap: 2.5rem 3rem;
}

.cag-footer__brand { max-width: 360px; }
.cag-footer__logo {
	display: inline-block;
	margin-bottom: 1rem;
}
.cag-footer__logo img {
	display: block;
	height: 22px;
	width: auto;
}
.cag-footer__tagline {
	color: var(--cag-muted);
	font-size: 0.92rem;
	line-height: 1.65;
	margin: 0;
}

.cag-footer__heading {
	font-family: var(--cag-sans);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	color: var(--cag-ink);
	margin: 0 0 1rem;
	text-transform: none;
}

.cag-footer__list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 0.55rem;
}
.cag-footer__list a {
	color: var(--cag-muted);
	text-decoration: none;
	font-size: 0.9rem;
	transition: color .12s ease;
}
.cag-footer__list a:hover { color: var(--cag-ink); }

.cag-footer__bar {
	border-top: 1px solid var(--cag-line);
	background: transparent;
}
.cag-footer__bar-inner {
	max-width: 1200px;
	margin: 0 auto;
	padding: 1.25rem 1.5rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.75rem;
}
.cag-footer__copy {
	margin: 0;
	font-size: 0.82rem;
	color: var(--cag-muted);
}
.cag-footer__copy strong { color: var(--cag-ink); font-weight: 600; }

@media (max-width: 860px) {
	.cag-footer__inner {
		grid-template-columns: 1fr 1fr;
		gap: 2.5rem 2rem;
	}
	.cag-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
	.cag-footer__inner { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 1.25rem 1.5rem; }
	.cag-footer__bar-inner { flex-direction: column; align-items: flex-start; }
}