/*
 * base.css — design tokens, reset, typography.
 * Loaded on every page.
 */

:root {
	/* Colour */
	--fag-navy: #0f2b46;
	--fag-navy-dark: #0a1e33;
	--fag-accent: #175fb0;
	--fag-accent-dark: #114b8d;
	--fag-accent-soft: #eaf1fa;
	--fag-text: #1f2a33;
	--fag-muted: #5a6b7b;
	--fag-border: #dfe5ec;
	--fag-border-strong: #c6d0dc;
	--fag-surface: #f4f7fa;
	--fag-bg: #ffffff;
	--fag-warning: #8a5300;
	--fag-warning-bg: #fdf6e7;
	--fag-danger: #a3261c;
	--fag-danger-bg: #fbeeed;
	--fag-success: #17603f;
	--fag-success-bg: #eaf5ef;
	--fag-focus: #0b64d8;

	/* Typography */
	--fag-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
	--fag-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
	--fag-fs-xs: 0.8125rem;
	--fag-fs-sm: 0.875rem;
	--fag-fs-base: 1.0625rem;
	--fag-fs-md: 1.125rem;
	--fag-fs-lg: 1.25rem;
	--fag-fs-xl: 1.5rem;
	--fag-fs-2xl: 1.875rem;
	--fag-fs-3xl: 2.25rem;
	--fag-lh-tight: 1.25;
	--fag-lh-body: 1.7;

	/* Space */
	--fag-sp-1: 0.25rem;
	--fag-sp-2: 0.5rem;
	--fag-sp-3: 0.75rem;
	--fag-sp-4: 1rem;
	--fag-sp-5: 1.5rem;
	--fag-sp-6: 2rem;
	--fag-sp-7: 2.5rem;
	--fag-sp-8: 3.5rem;
	--fag-sp-9: 4.5rem;

	/* Structure */
	--fag-container: 1240px;
	--fag-reading: 740px;
	--fag-rail: 260px;
	--fag-radius: 6px;
	--fag-radius-sm: 4px;
	--fag-header-h: 84px;
	--fag-shadow: 0 1px 2px rgba(15, 43, 70, 0.06);
}

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

html {
	-webkit-text-size-adjust: 100%;
	text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--fag-header-h) + 1rem);
}

body {
	margin: 0;
	background: var(--fag-bg);
	color: var(--fag-text);
	font-family: var(--fag-font);
	font-size: var(--fag-fs-base);
	line-height: var(--fag-lh-body);
	-webkit-font-smoothing: antialiased;
	overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
	margin: 0 0 var(--fag-sp-3);
	color: var(--fag-navy);
	font-weight: 700;
	line-height: var(--fag-lh-tight);
	letter-spacing: -0.011em;
}

h1 { font-size: var(--fag-fs-3xl); }
h2 { font-size: var(--fag-fs-2xl); }
h3 { font-size: var(--fag-fs-xl); }
h4 { font-size: var(--fag-fs-lg); }
h5, h6 { font-size: var(--fag-fs-md); }

p, ul, ol, dl, table, figure, pre, blockquote {
	margin: 0 0 var(--fag-sp-4);
}

a {
	color: var(--fag-accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 2px;
}

a:hover,
a:focus {
	color: var(--fag-accent-dark);
}

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

img {
	display: block;
}

svg.icon {
	display: inline-block;
	vertical-align: middle;
	flex: none;
}

.icon--inline {
	vertical-align: -0.15em;
}

ul, ol {
	padding-left: 1.35em;
}

li + li {
	margin-top: var(--fag-sp-1);
}

code, kbd, samp, pre {
	font-family: var(--fag-font-mono);
	font-size: 0.9em;
}

code {
	background: var(--fag-surface);
	border: 1px solid var(--fag-border);
	border-radius: var(--fag-radius-sm);
	padding: 0.1em 0.35em;
}

pre {
	background: var(--fag-surface);
	border: 1px solid var(--fag-border);
	border-radius: var(--fag-radius);
	padding: var(--fag-sp-4);
	overflow-x: auto;
}

hr {
	border: 0;
	border-top: 1px solid var(--fag-border);
	margin: var(--fag-sp-6) 0;
}

table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--fag-fs-sm);
}

th, td {
	border: 1px solid var(--fag-border);
	padding: var(--fag-sp-2) var(--fag-sp-3);
	text-align: left;
	vertical-align: top;
}

th {
	background: var(--fag-surface);
	color: var(--fag-navy);
	font-weight: 600;
}

blockquote {
	border-left: 3px solid var(--fag-accent);
	color: var(--fag-muted);
	margin-left: 0;
	padding: var(--fag-sp-1) 0 var(--fag-sp-1) var(--fag-sp-4);
}

/* Forms */
input,
textarea,
select,
button {
	font: inherit;
	color: inherit;
}

input[type="search"],
input[type="text"],
input[type="email"],
input[type="url"],
textarea {
	background: var(--fag-bg);
	border: 1px solid var(--fag-border-strong);
	border-radius: var(--fag-radius);
	padding: 0.6rem 0.8rem;
	width: 100%;
}

input[type="search"]::-webkit-search-cancel-button {
	cursor: pointer;
}

/* Focus: always visible, never removed. */
:focus-visible {
	outline: 3px solid var(--fag-focus);
	outline-offset: 2px;
	border-radius: 2px;
}

/* Accessibility helpers */
.screen-reader-text {
	border: 0;
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	white-space: nowrap;
	width: 1px;
}

.skip-link:focus,
.screen-reader-text:focus {
	background: var(--fag-bg);
	border: 2px solid var(--fag-focus);
	border-radius: var(--fag-radius);
	clip-path: none;
	color: var(--fag-navy);
	font-weight: 600;
	height: auto;
	left: var(--fag-sp-4);
	margin: 0;
	padding: var(--fag-sp-2) var(--fag-sp-4);
	top: var(--fag-sp-4);
	width: auto;
	z-index: 1000;
}

@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;
	}
}