/* RB3DLabs first-fold (critical) CSS — all pages */
:root {
	/* Brand + homepage design tokens */
	--color-bg: #fafaf2;
	--color-bg-warm: #f4f4ec;
	--color-surface: #fafaf2;
	--color-surface-low: #f4f4ec;
	--color-surface-high: #e8e9e1;
	--color-surface-highest: #e3e3db;
	--color-surface-card: #ffffff;
	--color-text: #1a1c17;
	--color-muted: #554336;
	--color-muted-soft: #887364;
	--color-accent: #f28c28;
	--color-accent-dark: #914d00;
	--color-accent-deep: #6e3900;
	--color-accent-soft: rgba(242, 140, 40, 0.14);
	--color-secondary: #356850;
	--color-secondary-soft: #b8efd0;
	--color-secondary-text: #1b5039;
	--color-border: #e3e3db;
	--color-border-strong: #dbc2b0;
	--color-focus: #914d00;

	--font-sans: "Hanken Grotesk", Bahnschrift, "Segoe UI", sans-serif;
	--font-display: "Space Grotesk", Bahnschrift, "Segoe UI", sans-serif;
	--font-mono: "JetBrains Mono", Consolas, monospace;

	--text-xs: 0.6875rem;
	--text-sm: 0.8125rem;
	--text-base: 0.9375rem;
	--text-md: 1rem;
	--text-lg: 1.125rem;
	--text-xl: 1.25rem;
	--text-2xl: 1.5rem;
	--text-3xl: clamp(1.75rem, 3vw, 2rem);
	--text-4xl: clamp(2rem, 4vw, 2.75rem);

	--leading-tight: 1.15;
	--leading-snug: 1.4;
	--leading-normal: 1.55;
	--tracking-tight: -0.02em;
	--tracking-wide: 0.06em;

	--weight-regular: 400;
	--weight-medium: 500;
	--weight-semibold: 600;
	--weight-bold: 700;

	--space-1: 0.25rem;
	--space-2: 0.5rem;
	--space-3: 0.75rem;
	--space-4: 1rem;
	--space-5: 1.5rem;
	--space-6: 2rem;
	--space-7: 3rem;
	--space-8: 4rem;

	/* ~1152px at 16px root */
	--container: 72rem;
	--radius: 0.25rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.75rem;
	--header-height: 4rem;

	--shadow-sm: 0 1px 2px rgba(26, 28, 23, 0.05);
	--shadow-md: 0 10px 28px rgba(26, 28, 23, 0.08);

	--ease-out: cubic-bezier(0.22, 1, 0.36, 1);
	--duration-fast: 160ms;
	--duration: 420ms;
}

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

html {
	-webkit-text-size-adjust: 100%;
	overflow-x: clip;
}

@media (prefers-reduced-motion: no-preference) {
	html {
		scroll-behavior: smooth;
	}
}

body {
	margin: 0;
	min-height: 100vh;
	max-width: 100%;
	overflow-x: clip;
	font-family: var(--font-sans);
	font-size: var(--text-base);
	line-height: var(--leading-normal);
	font-weight: var(--weight-regular);
	color: var(--color-text);
	background: var(--color-bg);
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}

img,
video,
iframe,
svg {
	max-width: 100%;
	height: auto;
}

img {
	display: block;
}

pre,
code {
	max-width: 100%;
	overflow-x: auto;
	overflow-wrap: anywhere;
}

.entry-content,
.site-main {
	overflow-wrap: break-word;
}

a {
	color: var(--color-accent-dark);
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.18em;
	transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
	color: var(--color-accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
	outline: 2px solid var(--color-focus);
	outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
	font-family: var(--font-display);
	line-height: var(--leading-tight);
	font-weight: var(--weight-bold);
	letter-spacing: var(--tracking-tight);
	margin: 0 0 var(--space-3);
	color: var(--color-text);
}

p {
	margin: 0 0 var(--space-4);
}

ul,
ol {
	margin: 0 0 var(--space-4);
	padding-left: 1.2rem;
}

::selection {
	background: var(--color-accent);
	color: #5d2f00;
}

.skip-link {
	position: absolute;
	left: var(--space-4);
	top: -100%;
	z-index: 1000;
	padding: var(--space-2) var(--space-4);
	background: var(--color-text);
	color: #fff;
	border-radius: var(--radius-md);
	font-weight: var(--weight-semibold);
}

.skip-link:focus {
	top: var(--space-4);
}

/* Honeypot — visually hidden, not display:none (some bots skip display:none) */
.form-field--hp {
	position: absolute;
	left: -10000px;
	top: auto;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.site {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

.site-main {
	flex: 1;
	padding-top: var(--header-height);
	background: var(--color-surface);
}

.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

.icon {
	width: 1.25em;
	height: 1.25em;
	flex-shrink: 0;
	display: inline-block;
	vertical-align: middle;
}

.icon--sm {
	width: 1rem;
	height: 1rem;
}

.icon--lg {
	width: 1.5rem;
	height: 1.5rem;
}

.container {
	width: min(100% - 2rem, var(--container));
	margin-inline: auto;
	max-width: 100%;
	padding-inline: 0;
	box-sizing: border-box;
}

@media (min-width: 640px) {
	.container {
		width: min(100% - 3rem, var(--container));
	}
}

@media (min-width: 1024px) {
	.container {
		width: min(100% - 4rem, var(--container));
	}
}

.container--narrow {
	width: min(100% - 2rem, 42rem);
}


.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding: 0.75rem 1.25rem;
	border: 1px solid transparent;
	border-radius: var(--radius-md);
	font-family: var(--font-sans);
	font-size: var(--text-md);
	font-weight: var(--weight-semibold);
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
	box-shadow: var(--shadow-sm);
	transition:
		background-color var(--duration-fast) var(--ease-out),
		border-color var(--duration-fast) var(--ease-out),
		color var(--duration-fast) var(--ease-out),
		transform var(--duration-fast) var(--ease-out);
}

.btn:hover {
	text-decoration: none;
}

.btn--primary {
	background: var(--color-accent);
	color: #5d2f00;
}

.btn--primary:hover {
	background: #fb862f;
	color: #5d2f00;
}

.btn--secondary {
	background: var(--color-surface-high);
	border-color: var(--color-surface-highest);
	color: var(--color-text);
}

.btn--secondary:hover {
	background: var(--color-surface-highest);
	color: var(--color-text);
}

.btn--dark {
	background: var(--color-text);
	color: var(--color-surface);
}

.btn--dark:hover {
	background: #2f312c;
	color: #fff;
}

.btn--ghost {
	background: transparent;
	box-shadow: none;
	color: var(--color-accent-dark);
	padding-inline: 0;
}

.btn-group {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-3);
}


.page-header {
	position: relative;
	margin-bottom: var(--space-6);
	padding-bottom: var(--space-4);
	border-bottom: none;
}

/* Full-bleed rule: spans the section (near viewport width). Clipped by .section overflow. */
.page-header::after {
	content: "";
	position: absolute;
	left: 50%;
	bottom: 0;
	width: 100vw;
	height: 0;
	border-bottom: 1px solid var(--color-border);
	transform: translateX(-50%);
	pointer-events: none;
}

.page-header__title {
	font-size: var(--text-3xl);
	margin-bottom: var(--space-2);
}

.page-header__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-3) var(--space-4);
	margin: 0 0 var(--space-4);
	padding: var(--space-3) var(--space-4);
	background: var(--color-surface-low, #f4f4ec);
	border: none;
	border-radius: var(--radius-md);
}

.page-header__meta-item {
	display: flex;
	align-items: flex-start;
	gap: var(--space-2);
	min-width: 0;
}

.page-header__meta-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-top: 0.1rem;
	color: var(--color-accent-dark, #914d00);
	flex-shrink: 0;
}

.page-header__meta-text {
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
	min-width: 0;
}

.page-header__meta-label {
	font-family: var(--font-sans);
	font-size: var(--text-sm);
	font-weight: var(--weight-regular);
	line-height: 1.35;
	color: var(--color-muted);
}

.page-header__meta-value {
	font-family: var(--font-sans);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	line-height: 1.35;
	color: var(--color-text);
}

.page-header__meta-sep {
	align-self: stretch;
	width: 1px;
	min-height: 2.25rem;
	background: var(--color-border-strong, #dbc2b0);
	flex-shrink: 0;
}

.page-header__lead {
	color: var(--color-muted);
	margin: 0;
	max-width: 38rem;
}


/* Header */
.site-header {
	position: fixed;
	inset: 0 0 auto;
	z-index: 100;
	height: var(--header-height);
	background: rgba(250, 250, 242, 0.9);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--color-surface-high);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--header-height);
	gap: var(--space-3);
	min-width: 0;
	max-width: 100%;
}

.site-header__actions {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: var(--space-4);
	margin-left: auto;
	flex: 0 0 auto;
}

.site-branding {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	text-decoration: none;
	color: var(--color-text);
	min-width: 0;
	flex: 0 1 auto;
}

.site-branding:hover {
	color: var(--color-text);
	text-decoration: none;
}

.site-branding__text {
	display: flex;
	flex-direction: column;
	gap: 0.1rem;
}

.site-title {
	font-family: var(--font-display);
	font-size: clamp(1.05rem, 4vw, var(--text-xl));
	font-weight: var(--weight-semibold);
	letter-spacing: var(--tracking-tight);
	margin: 0;
	line-height: 1;
}

.site-title span {
	color: var(--color-accent-dark);
}

.site-tagline {
	margin: 0;
	font-family: var(--font-mono);
	font-size: var(--text-xs);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-muted);
}

@media (max-width: 379px) {
	.site-tagline {
		display: none;
	}
}

.site-branding .custom-logo {
	max-height: 2rem;
	width: auto;
}

.nav-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: transparent;
	border: 0;
	padding: var(--space-2);
	border-radius: var(--radius-md);
	cursor: pointer;
	color: var(--color-text);
}

@media (min-width: 768px) {
	.nav-toggle {
		display: none;
	}
}

.primary-nav {
	display: none;
}

@media (min-width: 768px) {
	.primary-nav {
		display: block;
	}
}

.primary-nav.is-open {
	display: block;
	position: absolute;
	left: 0;
	right: 0;
	top: var(--header-height);
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border);
	padding: var(--space-4);
	box-shadow: var(--shadow-md);
	max-height: calc(100vh - var(--header-height));
	overflow-y: auto;
	text-align: left;
}

body.nav-open {
	overflow: hidden;
}

.primary-nav ul {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
	list-style: none;
	margin: 0;
	padding: 0;
}

@media (min-width: 768px) {
	.primary-nav ul {
		flex-direction: row;
		align-items: center;
		gap: var(--space-5);
	}

	.primary-nav.is-open {
		position: static;
		border: 0;
		padding: 0;
		background: transparent;
	}
}

.primary-nav a {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	color: var(--color-muted);
	text-decoration: none;
	font-weight: var(--weight-semibold);
	font-size: var(--text-md);
	padding-block: var(--space-1);
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a {
	color: var(--color-accent-dark);
}

.nav-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.15rem 0.45rem;
	border-radius: var(--radius);
	border: 1px solid rgba(53, 104, 80, 0.2);
	background: var(--color-secondary-soft);
	color: var(--color-secondary-text);
	font-family: var(--font-mono);
	font-size: 0.65rem;
	font-weight: var(--weight-medium);
	line-height: 1.2;
}


/* First-fold header scroll state (from motion) */
.site-header {
	transition:
		box-shadow var(--duration-fast) var(--ease-out),
		background-color var(--duration-fast) var(--ease-out);
}
.site-header.is-scrolled {
	background: rgba(248, 247, 243, 0.94);
	box-shadow: var(--shadow-sm);
}