:root {
	--navy: #1f356e;
	--navy-dark: #142450;
	--ink: #2b2b2b;
	--muted: #666666;
	--bg: #ffffff;
	--bg-alt: #f5f6f8;
	--border: #dde1e8;
	--max-width: 960px;
	--radius: 6px;
	font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: -apple-system, "Segoe UI", Verdana, Arial, sans-serif;
	color: var(--ink);
	background: var(--bg);
	line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--navy); }
a:hover { color: var(--navy-dark); }

.wrap {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 1.25rem;
}

.skip-link {
	position: absolute;
	left: -999px;
	top: 0;
	background: var(--navy);
	color: #fff;
	padding: 0.5rem 1rem;
	z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

.sr-only {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
}

/* Header */
.site-header {
	border-bottom: 3px solid var(--navy);
}

.header-inner {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	padding-top: 1.25rem;
	padding-bottom: 1rem;
}

.logo img { width: 330px; }

.tagline {
	margin: 0;
	font-size: 0.85rem;
	color: var(--muted);
	flex: 1;
}

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 4px;
	width: 40px;
	height: 40px;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--bg);
	cursor: pointer;
}
.nav-toggle .bar {
	display: block;
	height: 2px;
	width: 20px;
	margin: 0 auto;
	background: var(--navy);
}

.primary-nav { background: var(--navy); }
.primary-nav ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	margin: 0;
	padding: 0;
}
.primary-nav a {
	display: block;
	padding: 0.75rem 1rem;
	color: #f0f0f0;
	text-decoration: none;
	font-weight: bold;
	font-size: 0.9rem;
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
	background: var(--navy-dark);
	color: #fff;
}

/* Hero */
.hero {
	background: var(--bg-alt);
	border-bottom: 1px solid var(--border);
}
.hero img {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
	object-fit: cover;
	max-height: 160px;
}

/* Content */
.content {
	padding: 2rem 1.25rem 3rem;
}

.content h1 {
	color: var(--navy);
	font-size: 1.5rem;
	margin-top: 0;
}

.content h2 {
	color: var(--navy);
	font-size: 1.15rem;
	margin-top: 2rem;
}

.content ul { padding-left: 1.25rem; }
.content li { margin-bottom: 0.35rem; }

.content .lede {
	font-size: 1.05rem;
	color: var(--ink);
}

.resource-list {
	list-style: none;
	margin: 0 0 1.5rem;
	padding: 0;
}
.resource-list li {
	padding: 0.4rem 0;
	border-bottom: 1px solid var(--border);
}
.resource-list .filesize {
	color: var(--muted);
	font-size: 0.85rem;
}
.resource-list .desc {
	display: block;
	color: var(--muted);
	font-size: 0.9rem;
	margin-bottom: 0.15rem;
}

.post-list {
	list-style: none;
	margin: 0;
	padding: 0;
}
.post-list li {
	padding: 1rem 0;
	border-bottom: 1px solid var(--border);
}
.post-list-title {
	font-weight: bold;
	font-size: 1.05rem;
}
.post-date {
	display: block;
	color: var(--muted);
	font-size: 0.85rem;
	margin-top: 0.15rem;
}
.post-list p { margin: 0.5rem 0 0; }

.post .post-meta {
	color: var(--muted);
	font-size: 0.85rem;
	margin-top: -0.5rem;
}
.post .post-back {
	margin-top: 2rem;
	font-size: 0.9rem;
}
.post pre {
	background: var(--bg-alt);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 0.75rem 1rem;
	overflow-x: auto;
}

.contact-block {
	background: var(--bg-alt);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 1.25rem 1.5rem;
	margin-bottom: 1.5rem;
	max-width: 360px;
}
.contact-block h2 { margin-top: 0; }
.contact-block p { margin: 0.35rem 0; }

/* Footer */
.site-footer {
	background: var(--navy);
	color: #dbe0ee;
	margin-top: 2rem;
}
.site-footer .wrap { padding: 1.5rem 1.25rem; }
.site-footer a { color: #fff; }
.site-footer p { margin: 0.25rem 0; font-size: 0.9rem; }
.site-footer .copyright { color: #9fb0d6; font-size: 0.8rem; margin-top: 0.75rem; }

/* Responsive nav */
@media (max-width: 700px) {
	.header-inner { flex-wrap: wrap; }
	.tagline { order: 3; flex-basis: 100%; }
	.nav-toggle { display: flex; margin-left: auto; }
	.primary-nav { display: none; }
	.primary-nav.is-open { display: block; }
	.primary-nav ul { flex-direction: column; }
}