/* ==========================================================================
   Nick Blatchley Copywriting: global styles
   Tokens, header, navigation, footer and shared components.
   Page templates must NOT restyle .nb-header or .nb-footer; change them here.
   ========================================================================== */

:root {
	--nb-ink: #1a2660;          /* fountain-pen blue: headings, buttons */
	--nb-ink-deep: #111a47;     /* footer ground */
	--nb-text: #232838;         /* body copy */
	--nb-muted: #5a6278;        /* secondary copy */
	--nb-paper: #ffffff;
	--nb-pad: #eef3f9;          /* notepad tint */
	--nb-rule: #c8d5e7;         /* feint ruled line */
	--nb-margin: #e0798a;       /* exercise-book margin line */
	--nb-pencil: #1d7653;       /* editor's green pencil */

	--nb-serif: "Young Serif", "Iowan Old Style", Georgia, serif;
	--nb-sans: "Hanken Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
	--nb-hand: "Reenie Beanie", "Bradley Hand", "Segoe Print", cursive;

	--nb-shell: 1200px;
	--nb-gutter: clamp(20px, 4vw, 40px);
	--nb-radius: 6px;
}

body.nb-site {
	margin: 0;
	background: var(--nb-paper);
	color: var(--nb-text);
	font-family: var(--nb-sans);
	font-size: 1.125rem;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

body.nb-site *,
body.nb-site *::before,
body.nb-site *::after { box-sizing: border-box; }

body.nb-site img { max-width: 100%; height: auto; }

body.nb-site :focus-visible {
	outline: 3px solid var(--nb-pencil);
	outline-offset: 3px;
}

.nb-visually-hidden {
	position: absolute !important;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0 0 0 0);
	white-space: nowrap; border: 0;
}

.nb-skip {
	position: absolute; left: 16px; top: -60px; z-index: 1000;
	padding: 10px 16px;
	background: var(--nb-ink); color: #fff;
	font-family: var(--nb-sans); font-weight: 600;
	border-radius: var(--nb-radius);
	text-decoration: none;
}
.nb-skip:focus { top: 16px; }

/* Shared buttons ------------------------------------------------------- */
body.nb-site .nb-btn {
	display: inline-flex; align-items: center; justify-content: center;
	min-height: 52px;
	padding: 12px 26px;
	border: 2px solid var(--nb-ink);
	border-radius: var(--nb-radius);
	background: var(--nb-ink);
	color: #fff;
	font-family: var(--nb-sans);
	font-size: 1.0625rem;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
	transition: background-color .2s, color .2s;
}
body.nb-site .nb-btn:hover { background: var(--nb-ink-deep); border-color: var(--nb-ink-deep); color: #fff; }
body.nb-site .nb-btn--plain { background: transparent; color: var(--nb-ink); }
body.nb-site .nb-btn--plain:hover { background: var(--nb-pad); color: var(--nb-ink); }

/* ==========================================================================
   Header
   ========================================================================== */
.nb-header {
	position: relative;
	z-index: 100;
	background: var(--nb-paper);
	border-bottom: 1px solid var(--nb-rule);
	font-family: var(--nb-sans);
}

.nb-header .nb-header__shell {
	width: min(var(--nb-shell), 100% - (var(--nb-gutter) * 2));
	margin-inline: auto;
}

.nb-header .nb-header__bar {
	background: var(--nb-ink);
	color: #fff;
	font-size: .9375rem;
}
.nb-header .nb-header__bar .nb-header__shell {
	display: flex; justify-content: flex-end; flex-wrap: wrap;
	gap: 6px 28px;
	padding-block: 8px;
}
.nb-header a.nb-header__contact {
	color: #fff;
	text-decoration: none;
	border-bottom: 1px solid transparent;
}
.nb-header a.nb-header__contact:hover { border-bottom-color: #fff; }

.nb-header .nb-header__main {
	display: flex; align-items: center; justify-content: space-between;
	gap: 24px;
	min-height: 168px;
	padding-block: 12px;
}

.nb-header .nb-header__logo { display: block; flex: 0 0 auto; text-decoration: none; }
.nb-header .nb-header__logo picture { display: block; }
.nb-header .nb-header__logo img {
	display: block;
	width: auto;
	height: 144px;
	max-width: none;
	max-height: none;
	image-rendering: auto;
	-webkit-backface-visibility: hidden;
}
.nb-header .nb-header__wordmark {
	font-family: var(--nb-serif);
	font-size: 1.5rem;
	color: var(--nb-ink);
	line-height: 1.1;
}
.nb-header .nb-header__wordmark span { display: block; font-family: var(--nb-hand); font-size: 1.6rem; color: var(--nb-pencil); }

/* Navigation (desktop) -------------------------------------------------- */
.nb-header .nb-nav__list,
.nb-header .nb-nav__sub {
	list-style: none;
	margin: 0; padding: 0;
}
.nb-header .nb-nav__list { display: flex; align-items: center; gap: 4px; }
.nb-header .nb-nav__item { position: relative; display: flex; align-items: center; margin: 0; }

.nb-header .nb-nav__link {
	display: block;
	padding: 10px 14px;
	color: var(--nb-text);
	font-size: 1.0625rem;
	font-weight: 500;
	text-decoration: none;
	border-radius: var(--nb-radius);
}
.nb-header .nb-nav__link:hover { color: var(--nb-ink); background: var(--nb-pad); }
.nb-header .nb-nav__link[aria-current="page"] {
	color: var(--nb-ink);
	text-decoration: underline;
	text-decoration-color: var(--nb-margin);
	text-decoration-thickness: 2px;
	text-underline-offset: 6px;
}

.nb-header .nb-nav__item--cta .nb-nav__link {
	margin-left: 10px;
	background: var(--nb-ink);
	color: #fff;
	font-weight: 600;
}
.nb-header .nb-nav__item--cta .nb-nav__link:hover { background: var(--nb-ink-deep); color: #fff; }

.nb-header .nb-nav__subtoggle {
	width: 28px; height: 28px;
	margin-left: -8px;
	padding: 0;
	border: 0; border-radius: 4px;
	background: transparent;
	cursor: pointer;
	position: relative;
}
.nb-header .nb-nav__subtoggle::before {
	content: "";
	position: absolute; left: 50%; top: 45%;
	width: 7px; height: 7px;
	border-right: 2px solid var(--nb-ink);
	border-bottom: 2px solid var(--nb-ink);
	transform: translate(-50%, -50%) rotate(45deg);
	transition: transform .2s;
}
.nb-header .nb-nav__subtoggle[aria-expanded="true"]::before { transform: translate(-50%, -20%) rotate(-135deg); }

.nb-header .nb-nav__sub {
	position: absolute; top: calc(100% + 4px); left: 0;
	min-width: 290px;
	padding: 10px;
	background: var(--nb-paper);
	border: 1px solid var(--nb-rule);
	border-left: 3px solid var(--nb-margin);
	border-radius: 0 var(--nb-radius) var(--nb-radius) 0;
	box-shadow: 0 18px 40px -18px rgba(17, 26, 71, .35);
	visibility: hidden; opacity: 0;
	transform: translateY(-4px);
	transition: opacity .15s, transform .15s, visibility 0s .15s;
}
.nb-header .nb-nav__item--parent:hover > .nb-nav__sub,
.nb-header .nb-nav__item--parent:focus-within > .nb-nav__sub,
.nb-header .nb-nav__item--parent.is-open > .nb-nav__sub {
	visibility: visible; opacity: 1; transform: none;
	transition: opacity .15s, transform .15s;
}
.nb-header .nb-nav__sub a {
	display: block;
	padding: 9px 12px;
	color: var(--nb-text);
	font-size: 1rem;
	text-decoration: none;
	border-radius: 4px;
}
.nb-header .nb-nav__sub a:hover { background: var(--nb-pad); color: var(--nb-ink); }

.nb-header .nb-header__toggle { display: none; }

/* Navigation (mobile) --------------------------------------------------- */
@media (max-width: 1020px) {
	.nb-header .nb-header__main { min-height: 120px; position: relative; }
	.nb-header .nb-header__logo img { height: 104px; }

	.nb-header .nb-header__toggle {
		display: inline-flex; align-items: center; gap: 10px;
		position: relative; z-index: 2;
		min-height: 44px;
		padding: 8px 14px;
		border: 2px solid var(--nb-ink);
		border-radius: var(--nb-radius);
		background: var(--nb-paper);
		color: var(--nb-ink);
		font-family: var(--nb-sans);
		font-size: 1rem; font-weight: 600;
		cursor: pointer;
	}
	.nb-header .nb-header__toggle-bars,
	.nb-header .nb-header__toggle-bars::before,
	.nb-header .nb-header__toggle-bars::after {
		display: block;
		width: 18px; height: 2px;
		background: var(--nb-ink);
		transition: transform .2s, background-color .2s;
	}
	.nb-header .nb-header__toggle-bars { position: relative; }
	.nb-header .nb-header__toggle-bars::before,
	.nb-header .nb-header__toggle-bars::after { content: ""; position: absolute; left: 0; }
	.nb-header .nb-header__toggle-bars::before { top: -6px; }
	.nb-header .nb-header__toggle-bars::after { top: 6px; }
	.nb-header .nb-header__toggle[aria-expanded="true"] .nb-header__toggle-bars { background: transparent; }
	.nb-header .nb-header__toggle[aria-expanded="true"] .nb-header__toggle-bars::before { transform: translateY(6px) rotate(45deg); }
	.nb-header .nb-header__toggle[aria-expanded="true"] .nb-header__toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

	.nb-header .nb-nav {
		position: absolute; top: 100%; left: calc(var(--nb-gutter) * -1); right: calc(var(--nb-gutter) * -1);
		display: none;
		padding: 12px var(--nb-gutter) 28px;
		background: var(--nb-paper);
		border-bottom: 1px solid var(--nb-rule);
		box-shadow: 0 24px 40px -24px rgba(17, 26, 71, .35);
	}
	.nb-header.is-open .nb-nav { display: block; }

	.nb-header .nb-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
	.nb-header .nb-nav__item { flex-wrap: wrap; border-bottom: 1px solid var(--nb-rule); }
	.nb-header .nb-nav__link { flex: 1; padding: 14px 4px; font-size: 1.125rem; }
	.nb-header .nb-nav__subtoggle { width: 44px; height: 44px; margin: 0; }

	.nb-header .nb-nav__sub {
		position: static;
		flex-basis: 100%;
		display: none;
		min-width: 0;
		margin: 0 0 12px;
		padding: 4px 0 4px 14px;
		border: 0; border-left: 3px solid var(--nb-margin); border-radius: 0;
		box-shadow: none;
		visibility: visible; opacity: 1; transform: none;
	}
	.nb-header .nb-nav__item--parent:hover > .nb-nav__sub,
	.nb-header .nb-nav__item--parent:focus-within > .nb-nav__sub { display: none; }
	.nb-header .nb-nav__item--parent.is-open > .nb-nav__sub { display: block; }

	.nb-header .nb-nav__item--cta { border-bottom: 0; padding-top: 18px; }
	.nb-header .nb-nav__item--cta .nb-nav__link { margin: 0; padding: 14px 18px; text-align: center; }
}

@media (max-width: 560px) {
	.nb-header .nb-header__main { min-height: 104px; }
	.nb-header .nb-header__logo img { height: 88px; }
	.nb-header .nb-header__bar .nb-header__shell { justify-content: center; font-size: .875rem; }
	.nb-header .nb-header__toggle-text { display: none; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.nb-footer {
	background: var(--nb-ink-deep);
	color: #d9def0;
	font-family: var(--nb-sans);
	font-size: 1rem;
}
.nb-footer .nb-footer__shell {
	width: min(var(--nb-shell), 100% - (var(--nb-gutter) * 2));
	margin-inline: auto;
	padding-block: clamp(56px, 8vw, 88px) 28px;
}
body.nb-site .nb-footer a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .25); transition: color .15s, border-color .15s; }
body.nb-site .nb-footer a:hover,
body.nb-site .nb-footer a:focus-visible { color: #b8f5d8; border-bottom-color: #b8f5d8; }

.nb-footer .nb-footer__signup {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 12px 56px;
	padding-bottom: clamp(40px, 6vw, 64px);
	margin-bottom: clamp(40px, 6vw, 64px);
	border-bottom: 1px solid rgba(255, 255, 255, .15);
}
.nb-footer .nb-footer__signup-title {
	grid-column: 1;
	margin: 0;
	font-family: var(--nb-serif);
	font-weight: 400;
	font-size: clamp(1.75rem, 3vw, 2.375rem);
	line-height: 1.15;
	color: #fff;
}
.nb-footer .nb-footer__signup > p { grid-column: 1; margin: 0; max-width: 52ch; }
.nb-footer .nb-footer__form { grid-column: 2; grid-row: 1 / span 2; align-self: center; display: flex; gap: 10px; flex-wrap: wrap; }
.nb-footer .nb-footer__form input[type="email"] {
	flex: 1 1 240px;
	min-height: 54px;
	padding: 12px 16px;
	border: 2px solid rgba(255, 255, 255, .3);
	border-radius: var(--nb-radius);
	background: rgba(255, 255, 255, .06);
	color: #fff;
	font: inherit; font-size: 1.0625rem;
}
.nb-footer .nb-footer__form input[type="email"]::placeholder { color: #aab2cf; }
.nb-footer .nb-footer__form input[type="email"]:focus { border-color: #fff; outline: none; }
.nb-footer .nb-footer__form button {
	min-height: 54px;
	padding: 12px 24px;
	border: 0; border-radius: var(--nb-radius);
	background: #fff;
	color: var(--nb-ink);
	font: inherit; font-weight: 700;
	cursor: pointer;
}
.nb-footer .nb-footer__form button:hover { background: var(--nb-pad); }

.nb-footer .nb-footer__grid {
	display: grid;
	grid-template-columns: 1.35fr 1fr 1fr 1.15fr;
	gap: 48px 40px;
}
.nb-footer .nb-footer__name { margin: 0 0 8px; font-family: var(--nb-serif); font-size: 1.375rem; color: #fff; }
.nb-footer .nb-footer__col p { margin: 0 0 14px; max-width: 34ch; }
.nb-footer .nb-footer__heading {
	margin: 0 0 14px;
	font-family: var(--nb-hand);
	font-weight: 400;
	font-size: 2.125rem;
	line-height: 1;
	color: #9fd8bf;
}
.nb-footer .nb-footer__col ul + .nb-footer__heading,
.nb-footer .nb-footer__col p + .nb-footer__heading { margin-top: 30px; }

.nb-footer .nb-footer__col ul { list-style: none; margin: 0; padding: 0; }
.nb-footer .nb-footer__links li { margin: 0 0 10px; }
.nb-footer .nb-footer__posts li { margin-bottom: 12px; line-height: 1.4; }

/* Accreditation badges */
.nb-footer .nb-footer__badges { display: flex; flex-wrap: wrap; gap: 12px; }
body.nb-site .nb-footer .nb-footer__badges a {
	display: flex; align-items: center; justify-content: center;
	border: 0;
	border-radius: 50%;
	transition: transform .2s, box-shadow .2s;
}
.nb-footer .nb-footer__badges img { display: block; width: 120px; height: 120px; border-radius: 50%; }
.nb-footer .nb-footer__badges span {
	display: block; padding: 10px 14px;
	background: #fff; border-radius: var(--nb-radius);
	color: var(--nb-ink); font-size: .875rem; font-weight: 600; line-height: 1.3; max-width: 22ch;
}
body.nb-site .nb-footer .nb-footer__badges a:hover,
body.nb-site .nb-footer .nb-footer__badges a:focus-visible { transform: scale(1.04); box-shadow: 0 0 0 4px #b8f5d8; }

/* Social icons */
.nb-footer .nb-footer__social { display: flex; gap: 10px; }
body.nb-site .nb-footer .nb-footer__social a {
	display: inline-flex; align-items: center; justify-content: center;
	width: 44px; height: 44px;
	border: 1px solid rgba(255, 255, 255, .3);
	border-radius: 50%;
	color: #fff;
	transition: background-color .2s, color .2s;
}
body.nb-site .nb-footer .nb-footer__social a:hover,
body.nb-site .nb-footer .nb-footer__social a:focus-visible { background: #b8f5d8; color: var(--nb-ink-deep); border-color: #b8f5d8; }

/* Archive dropdown */
.nb-footer .nb-footer__archive-label { display: block; margin: 22px 0 8px; font-size: .9375rem; color: #aab2cf; }
.nb-footer .nb-footer__archive {
	width: 100%;
	min-height: 46px;
	padding: 8px 12px;
	border: 1px solid rgba(255, 255, 255, .3);
	border-radius: var(--nb-radius);
	background: var(--nb-ink-deep);
	color: #fff;
	font: inherit; font-size: 1rem;
}

/* Legal bar */
.nb-footer .nb-footer__legal {
	display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
	gap: 14px 28px;
	margin-top: 56px; padding-top: 24px;
	border-top: 1px solid rgba(255, 255, 255, .15);
	font-size: .875rem;
	color: #aab2cf;
}
.nb-footer .nb-footer__legal p { margin: 0; }
.nb-footer .nb-footer__policies { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; margin: 0; padding: 0; }
body.nb-site .nb-footer .nb-footer__legal a { color: #c3cae4; }
body.nb-site .nb-footer .nb-footer__credit a { color: #fff; }
body.nb-site .nb-footer .nb-footer__legal a:hover,
body.nb-site .nb-footer .nb-footer__legal a:focus-visible { color: #b8f5d8; border-bottom-color: #b8f5d8; }

@media (max-width: 1000px) {
	.nb-footer .nb-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
	.nb-footer .nb-footer__signup { grid-template-columns: 1fr; }
	.nb-footer .nb-footer__form { grid-column: 1; grid-row: auto; margin-top: 12px; }
}
@media (max-width: 560px) {
	.nb-footer .nb-footer__grid { grid-template-columns: 1fr; }
	.nb-footer .nb-footer__legal { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
	body.nb-site *,
	body.nb-site *::before,
	body.nb-site *::after { transition: none !important; animation: none !important; }
}