/* KBD foundation — tokens, type, header, primitives. */

@font-face {
	font-family: "League Spartan";
	font-style: normal;
	font-weight: 400;
	font-display: swap;
	src: url("../fonts/league-spartan/latin-400-normal.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: "League Spartan";
	font-style: normal;
	font-weight: 500;
	font-display: swap;
	src: url("../fonts/league-spartan/latin-500-normal.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: "League Spartan";
	font-style: normal;
	font-weight: 600;
	font-display: swap;
	src: url("../fonts/league-spartan/latin-600-normal.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: "League Spartan";
	font-style: normal;
	font-weight: 700;
	font-display: swap;
	src: url("../fonts/league-spartan/latin-700-normal.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
	--kbd-color-bg: #f5f7fb;
	--kbd-color-surface: #ffffff;
	--kbd-color-text: #141820;
	--kbd-color-text-secondary: #5c6573;
	--kbd-color-accent: #1e4fd7;
	--kbd-color-accent-light: #eaf0ff;
	--kbd-color-border: #e3e8f0;
	--kbd-color-cta: #111827;
	--kbd-color-cta-text: #ffffff;
	--kbd-color-focus: #1e4fd7;
	--kbd-color-error: #b42318;

	--kbd-font-brand: "League Spartan", ui-sans-serif, system-ui, sans-serif;
	--kbd-font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

	--kbd-size-display: clamp(2.25rem, 1.4rem + 3vw, 3.5rem);
	--kbd-size-h1: clamp(1.85rem, 1.3rem + 2vw, 2.75rem);
	--kbd-size-h2: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
	--kbd-size-h3: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
	--kbd-size-lead: 1.1875rem;
	--kbd-size-body: 1.0625rem;
	--kbd-size-small: 0.8125rem;
	--kbd-size-nav: 0.9375rem;
	--kbd-size-btn: 0.9375rem;

	--kbd-leading-display: 1.08;
	--kbd-leading-heading: 1.18;
	--kbd-leading-body: 1.65;

	--kbd-space-1: 0.25rem;
	--kbd-space-2: 0.5rem;
	--kbd-space-3: 0.75rem;
	--kbd-space-4: 1rem;
	--kbd-space-5: 1.5rem;
	--kbd-space-6: 2rem;
	--kbd-space-7: 3rem;
	--kbd-space-8: 4rem;
	--kbd-space-9: 6rem;

	--kbd-gutter: 1.5rem;
	--kbd-max: 70rem;
	--kbd-header-max: 74rem;

	--kbd-radius-sm: 0.5rem;
	--kbd-radius-md: 0.75rem;
	--kbd-radius-lg: 1rem;
	--kbd-radius-pill: 999px;

	--kbd-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
	--kbd-shadow-md: 0 8px 24px rgba(16, 24, 40, 0.06);

	--kbd-ease: 160ms ease;
	--kbd-header-h: 4.5rem;

	--kbd-bp-sm: 40rem;
	--kbd-bp-md: 60rem;
	--kbd-bp-lg: 75rem;
}

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

html {
	scroll-behavior: smooth;
}

html,
body {
	margin: 0;
	padding: 0;
}

.kbd-body {
	background: var(--kbd-color-bg);
	color: var(--kbd-color-text);
	font-family: var(--kbd-font-body);
	font-size: var(--kbd-size-body);
	line-height: var(--kbd-leading-body);
	min-height: 100vh;
}

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

a {
	color: var(--kbd-color-accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

a:hover {
	color: var(--kbd-color-text);
}

:focus-visible {
	outline: 2px solid var(--kbd-color-focus);
	outline-offset: 3px;
}

.kbd-skip-link {
	position: absolute;
	left: var(--kbd-space-4);
	top: -100%;
	z-index: 100;
	background: var(--kbd-color-cta);
	color: var(--kbd-color-cta-text);
	padding: var(--kbd-space-2) var(--kbd-space-4);
	border-radius: var(--kbd-radius-sm);
}

.kbd-skip-link:focus {
	top: var(--kbd-space-3);
	color: var(--kbd-color-cta-text);
}

.kbd-container {
	width: min(100% - (var(--kbd-gutter) * 2), var(--kbd-max));
	margin-inline: auto;
}

.kbd-header {
	position: sticky;
	top: 0;
	z-index: 40;
	background: var(--kbd-color-surface);
	border-bottom: 1px solid var(--kbd-color-border);
}

.kbd-header__inner {
	width: min(100% - (var(--kbd-gutter) * 2), var(--kbd-header-max));
	min-height: var(--kbd-header-h);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--kbd-space-5);
}

.kbd-brand {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--kbd-color-text);
	text-decoration: none;
	min-width: 0;
}

.kbd-brand:hover {
	color: var(--kbd-color-text);
}

.kbd-brand__mark {
	flex: 0 0 auto;
	display: flex;
	align-items: center;
	height: 2.15rem;
}

.kbd-brand__mark--slot {
	width: 2.25rem;
	height: 2.25rem;
	display: grid;
	place-items: center;
	border: 1px dashed var(--kbd-color-border);
	border-radius: var(--kbd-radius-sm);
	background: var(--kbd-color-accent-light);
}

.kbd-brand__slot-label {
	font-family: var(--kbd-font-body);
	font-size: 0.55rem;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--kbd-color-text-secondary);
	text-align: center;
	line-height: 1.15;
	padding: 0.15rem;
}

.kbd-brand__img {
	display: block;
	width: auto;
	height: 2.15rem;
	max-height: 2.15rem;
	object-fit: contain;
}

.kbd-brand__text {
	font-family: var(--kbd-font-brand);
	font-weight: 700;
	font-size: 0.95rem;
	letter-spacing: 0.04em;
	line-height: 1.15;
	white-space: nowrap;
}

.kbd-menu-toggle {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	margin-left: auto;
	border: 1px solid var(--kbd-color-border);
	background: var(--kbd-color-surface);
	color: var(--kbd-color-text);
	border-radius: var(--kbd-radius-md);
	padding: 0.5rem 0.75rem;
	font-family: var(--kbd-font-brand);
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
}

.kbd-menu-toggle__icon {
	width: 1rem;
	height: 0.75rem;
	display: block;
	background:
		linear-gradient(var(--kbd-color-text), var(--kbd-color-text)) 0 0 / 100% 2px no-repeat,
		linear-gradient(var(--kbd-color-text), var(--kbd-color-text)) 0 50% / 100% 2px no-repeat,
		linear-gradient(var(--kbd-color-text), var(--kbd-color-text)) 0 100% / 100% 2px no-repeat;
}

.kbd-nav {
	display: none;
}

.kbd-nav.is-open {
	display: flex;
}

.kbd-nav__list,
.kbd-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
}

.kbd-nav a,
.kbd-nav__link {
	font-family: var(--kbd-font-brand);
	font-size: var(--kbd-size-nav);
	font-weight: 500;
	letter-spacing: 0.01em;
	color: var(--kbd-color-text);
	text-decoration: none;
	padding: 0.55rem 0.35rem;
	display: inline-flex;
}

.kbd-nav a:hover,
.kbd-nav__link:hover,
.kbd-nav .current-menu-item > a,
.kbd-nav__item.is-current .kbd-nav__link {
	color: var(--kbd-color-accent);
}

.kbd-header__cta {
	margin-top: var(--kbd-space-3);
}

.kbd-nav a.kbd-header__cta,
.kbd-nav a.kbd-header__cta:hover {
	color: var(--kbd-color-cta-text);
}

.kbd-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	font-family: var(--kbd-font-brand);
	font-size: var(--kbd-size-btn);
	font-weight: 600;
	letter-spacing: 0.01em;
	line-height: 1;
	padding: 0.8rem 1.15rem;
	border-radius: var(--kbd-radius-md);
	text-decoration: none;
	border: 1px solid transparent;
	white-space: nowrap;
	flex-shrink: 0;
	transition: background-color var(--kbd-ease), color var(--kbd-ease), border-color var(--kbd-ease);
}

.kbd-btn--primary {
	background: var(--kbd-color-cta);
	color: var(--kbd-color-cta-text);
}

.kbd-btn--primary:hover {
	background: #000;
	color: var(--kbd-color-cta-text);
}

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

.kbd-btn--secondary:hover {
	border-color: var(--kbd-color-text);
	color: var(--kbd-color-text);
}

.kbd-text-link {
	display: inline-flex;
	align-items: center;
	gap: 0.2rem;
	font-family: var(--kbd-font-brand);
	font-weight: 600;
	font-size: var(--kbd-size-btn);
	color: var(--kbd-color-text);
	text-decoration: none;
}

.kbd-text-link:hover {
	color: var(--kbd-color-accent);
}

.kbd-main {
	min-height: 60vh;
}

.kbd-section {
	padding-block: var(--kbd-space-8);
}

.kbd-section--muted {
	background: var(--kbd-color-surface);
	border-block: 1px solid var(--kbd-color-border);
}

.kbd-foundation {
	padding-top: var(--kbd-space-8);
}

.kbd-eyebrow,
.kbd-meta {
	font-size: var(--kbd-size-small);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--kbd-color-text-secondary);
	margin: 0 0 var(--kbd-space-4);
	font-weight: 600;
}

.kbd-display,
h1, h2, h3 {
	font-family: var(--kbd-font-brand);
	font-weight: 600;
	letter-spacing: -0.03em;
	line-height: var(--kbd-leading-heading);
	color: var(--kbd-color-text);
	margin: 0 0 var(--kbd-space-4);
}

.kbd-display {
	font-size: var(--kbd-size-display);
	line-height: var(--kbd-leading-display);
	font-weight: 700;
	max-width: 18ch;
}

h1,
.kbd-article__title {
	font-size: var(--kbd-size-h1);
}

h2 {
	font-size: var(--kbd-size-h2);
}

h3 {
	font-size: var(--kbd-size-h3);
}

.kbd-lead {
	font-size: var(--kbd-size-lead);
	color: var(--kbd-color-text-secondary);
	max-width: 42rem;
	margin: 0 0 var(--kbd-space-6);
}

.kbd-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--kbd-space-4);
}

.kbd-card {
	background: var(--kbd-color-surface);
	border: 1px solid var(--kbd-color-border);
	border-radius: var(--kbd-radius-lg);
	box-shadow: var(--kbd-shadow-sm);
	padding: var(--kbd-space-6);
	max-width: 28rem;
	transition: box-shadow var(--kbd-ease), border-color var(--kbd-ease);
}

.kbd-card:hover {
	box-shadow: var(--kbd-shadow-md);
	border-color: #d5dbe6;
}

.kbd-prose > * + * {
	margin-top: 1rem;
}

.kbd-article + .kbd-article {
	margin-top: var(--kbd-space-7);
}

.kbd-footer {
	border-top: 1px solid var(--kbd-color-border);
	background: var(--kbd-color-surface);
	padding-block: var(--kbd-space-6);
}

.kbd-footer__meta {
	margin: 0;
	color: var(--kbd-color-text-secondary);
	font-size: var(--kbd-size-small);
}

@media (min-width: 40rem) {
	:root {
		--kbd-gutter: 2rem;
	}
}

@media (min-width: 60rem) {
	.kbd-menu-toggle {
		display: none;
	}

	.kbd-nav,
	.kbd-nav.is-open {
		display: flex;
		align-items: center;
		gap: var(--kbd-space-4);
		flex: 1 1 auto;
		justify-content: flex-end;
		min-width: 0;
	}

	.kbd-nav__list,
	.kbd-nav ul {
		flex-direction: row;
		align-items: center;
		flex-wrap: nowrap;
		gap: 0.1rem;
		min-width: 0;
	}

	.kbd-nav a,
	.kbd-nav__link {
		white-space: nowrap;
		padding: 0.55rem 0.45rem;
	}

	.kbd-header__cta {
		margin-top: 0;
		margin-left: var(--kbd-space-2);
		flex-shrink: 0;
	}

	.kbd-brand {
		flex-shrink: 0;
	}

	.kbd-section {
		padding-block: var(--kbd-space-9);
	}
}

@media (max-width: 59.99rem) {
	.kbd-nav {
		position: absolute;
		left: 0;
		right: 0;
		top: 100%;
		background: var(--kbd-color-surface);
		border-bottom: 1px solid var(--kbd-color-border);
		padding: var(--kbd-space-4) var(--kbd-gutter) var(--kbd-space-5);
		flex-direction: column;
		align-items: flex-start;
		box-shadow: var(--kbd-shadow-md);
	}

	.kbd-header {
		position: sticky;
	}

	.kbd-header__inner {
		position: relative;
	}

	.kbd-brand__text {
		font-size: 0.82rem;
		letter-spacing: 0.02em;
		white-space: normal;
		max-width: 11rem;
	}

	.kbd-brand__mark,
	.kbd-brand__img {
		height: 1.85rem;
		max-height: 1.85rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}