/*
Theme Name: CSI Centre
Theme URI: https://csicentre.ca/
Author: Canadian Study & Immigration Centre
Description: Custom block theme for Canadian Study & Immigration Centre, an independent guide to studying and immigrating to Canada. Features a study-to-citizenship pathway homepage, dated and sourced guide layouts, and built-in trust notices.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: csicentre
*/

:root {
	--csic-ink: #132235;
	--csic-ink-2: #1B2E45;
	--csic-lake: #1D5C86;
	--csic-lake-soft: #7FB2D6;
	--csic-spruce: #2E6A4F;
	--csic-wheat: #E3A72F;
	--csic-frost: #EEF3F6;
	--csic-line: #D5DEE5;
	--csic-slate: #4B5B6B;
	--csic-gutter: clamp(1rem, 4vw, 2rem);
	--csic-section: clamp(3rem, 7vw, 5.5rem);
	--csic-radius: 10px;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
body {
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	font-feature-settings: "ss01", "kern";
}
.wp-site-blocks { padding: 0; }
.wp-site-blocks > * + * { margin-block-start: 0; }
img { max-width: 100%; height: auto; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
.wp-element-button:focus-visible {
	outline: 3px solid var(--csic-wheat);
	outline-offset: 3px;
	border-radius: 4px;
}
a { text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

.csic-notice,
.csic-header,
.csic-main > section,
.csic-footer,
.csic-article,
.csic-page,
.csic-archive {
	padding-inline: var(--csic-gutter);
}
.csic-main > section,
.csic-home > * { margin-block: 0; }

/* ---------- Notice bar ---------- */
.csic-notice {
	background: var(--csic-frost);
	color: var(--csic-slate);
	border-bottom: 1px solid var(--csic-line);
}
.csic-notice p { margin: 0; padding-block: 0.55rem; line-height: 1.45; }
.csic-notice a { color: var(--csic-ink); }

/* ---------- Header ---------- */
.csic-header {
	background: #fff;
	border-bottom: 1px solid var(--csic-line);
	position: sticky;
	top: 0;
	z-index: 50;
}
.admin-bar .csic-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .csic-header { top: 46px; } }
.csic-header__row { min-height: 72px; gap: 1.5rem; }

.csic-brand {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	text-decoration: none;
	color: var(--csic-ink);
	flex-shrink: 1;
	min-width: 0;
}
.csic-brand:hover { text-decoration: none; color: var(--csic-ink); }
.csic-brand__mark { width: 40px; height: 40px; flex: none; display: block; }
.csic-brand__name {
	font-weight: 700;
	font-size: 1.05rem;
	line-height: 1.15;
	letter-spacing: -0.01em;
	max-width: 15ch;
}
.csic-brand--light { color: #fff; }
.csic-brand--light:hover { color: #fff; }

.csic-nav { font-size: 0.97rem; font-weight: 500; }
.csic-nav .wp-block-navigation__container { gap: 1.4rem; }
.csic-nav .wp-block-navigation-item__content { color: var(--csic-ink); text-decoration: none; padding-block: 0.4rem; }
.csic-nav .wp-block-navigation-item__content:hover { color: var(--csic-lake); text-decoration: underline; }
.csic-nav .wp-block-navigation__responsive-container-open svg,
.csic-nav .wp-block-navigation__responsive-container-close svg { width: 28px; height: 28px; }
.csic-nav .wp-block-navigation__responsive-container.is-menu-open {
	padding: 1.5rem var(--csic-gutter);
	background: #fff;
}
.csic-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__container {
	gap: 0.25rem;
	font-size: 1.35rem;
	font-weight: 600;
}

/* ---------- Hero ---------- */
.csic-hero {
	background: var(--csic-ink);
	color: #E7EEF4;
	padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4.5rem);
	position: relative;
	overflow: hidden;
}
.csic-hero::before {
	/* faint lines of latitude, like a map grid */
	content: "";
	position: absolute;
	inset: 0;
	background-image: repeating-linear-gradient(to bottom, transparent 0 63px, rgba(127, 178, 214, 0.07) 63px 64px);
	pointer-events: none;
}
.csic-hero > * { position: relative; }
.csic-hero__intro { max-width: 1200px !important; }
.csic-hero__intro > * { max-width: 760px; }
.csic-hero__title {
	color: #fff;
	font-size: var(--wp--preset--font-size--display);
	font-weight: 800;
	line-height: 1.02;
	letter-spacing: -0.035em;
	margin: 0 0 1.4rem;
	text-wrap: balance;
}
.csic-hero__lede {
	font-size: clamp(1.1rem, 1.6vw, 1.3rem);
	line-height: 1.55;
	color: #C6D5E2;
	max-width: 56ch;
	margin: 0 0 2rem;
}
.csic-hero__actions { gap: 0.75rem; }
.csic-btn-primary .wp-block-button__link {
	background: var(--csic-wheat);
	color: var(--csic-ink);
}
.csic-btn-primary .wp-block-button__link:hover { background: #F0C056; color: var(--csic-ink); }
.csic-btn-ghost .wp-block-button__link {
	background: transparent;
	color: #fff;
	box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.45);
}
.csic-btn-ghost .wp-block-button__link:hover { background: rgba(255, 255, 255, 0.08); box-shadow: inset 0 0 0 1.5px #fff; }

/* ---------- The route (signature element) ---------- */
.csic-route { margin-top: clamp(3rem, 7vw, 5rem); }
.csic-route__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	--route-gap: clamp(1rem, 3vw, 2.5rem);
	gap: 0 var(--route-gap);
	position: relative;
}
.csic-route__list::before {
	content: "";
	position: absolute;
	left: 9px;
	right: calc((100% - 3 * var(--route-gap)) / 4 - 10px);
	top: 9px;
	height: 3px;
	border-radius: 3px;
	background: linear-gradient(to right, var(--csic-lake-soft), var(--csic-lake-soft) 75%, var(--csic-wheat));
	transform-origin: left center;
	animation: csic-draw 1.4s cubic-bezier(.65, .05, .25, 1) 0.2s both;
}
@keyframes csic-draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.csic-route__stop { position: relative; padding-top: 2.6rem; }
.csic-route__stop::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 21px;
	height: 21px;
	border-radius: 50%;
	background: var(--csic-ink);
	box-shadow: inset 0 0 0 4px #fff;
	transition: background-color .2s ease;
}
.csic-route__stop--goal::before {
	width: 27px;
	height: 27px;
	top: -3px;
	left: -3px;
	background: var(--csic-wheat);
	box-shadow: 0 0 0 6px rgba(227, 167, 47, 0.22);
}
.csic-route__stop a {
	display: block;
	color: inherit;
	text-decoration: none;
	border-radius: 6px;
}
.csic-route__step { display: block; font-size: 0.85rem; color: var(--csic-lake-soft); margin-bottom: 0.3rem; }
.csic-route__name {
	display: block;
	color: #fff;
	font-size: clamp(1.2rem, 1.8vw, 1.45rem);
	font-weight: 700;
	letter-spacing: -0.015em;
	line-height: 1.2;
	margin-bottom: 0.45rem;
}
.csic-route__desc { display: block; color: #B4C5D4; font-size: 0.98rem; line-height: 1.5; max-width: 30ch; }
.csic-route__stop a:hover .csic-route__name { text-decoration: underline; text-decoration-color: var(--csic-wheat); text-decoration-thickness: 2px; text-underline-offset: 0.2em; }
.csic-route__stop:hover::before { background: var(--csic-lake-soft); }
.csic-route__stop--goal:hover::before { background: #F0C056; }

@media (max-width: 860px) {
	.csic-route__list { grid-template-columns: 1fr; gap: 0; }
	.csic-route__list::before {
		left: 9px;
		right: auto;
		top: 10px;
		bottom: 40px;
		width: 3px;
		height: auto;
		background: linear-gradient(to bottom, var(--csic-lake-soft), var(--csic-lake-soft) 75%, var(--csic-wheat));
		transform-origin: center top;
		animation-name: csic-draw-v;
	}
	@keyframes csic-draw-v { from { transform: scaleY(0); } to { transform: scaleY(1); } }
	.csic-route__stop { padding: 0 0 1.75rem 2.75rem; }
	.csic-route__stop:last-child { padding-bottom: 0; }
	.csic-route__desc { max-width: 42ch; }
}

/* ---------- Recent rule changes ---------- */
.csic-changes { padding-block: var(--csic-section); background: #fff; }
.csic-changes__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
	gap: clamp(2rem, 5vw, 5rem);
	align-items: start;
}
.csic-changes__head h2 { margin-top: 0; }
.csic-changes__head p { color: var(--csic-slate); max-width: 38ch; }
.csic-log { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--csic-ink); }
.csic-log__item {
	display: grid;
	grid-template-columns: 8.5rem minmax(0, 1fr);
	gap: 1.25rem;
	padding-block: 1.35rem;
	border-bottom: 1px solid var(--csic-line);
}
.csic-log__date { font-weight: 700; font-size: 0.95rem; color: var(--csic-lake); padding-top: 0.15rem; }
.csic-log__text { margin: 0 0 0.4rem; font-size: 1.08rem; line-height: 1.5; }
.csic-log__src { font-size: 0.9rem; color: var(--csic-slate); }

.csic-textlink { font-weight: 600; }
.csic-textlink a { color: var(--csic-lake); }

/* ---------- Guide cards ---------- */
.csic-latest { padding-block: 0 var(--csic-section); background: #fff; }
.csic-latest > h2 { margin: 0 0 1.75rem; }
.csic-cards .wp-block-post-template { gap: 1.25rem; }
.csic-card {
	height: 100%;
	display: flex;
	flex-direction: column;
	padding: 1.5rem 1.5rem 1.35rem;
	background: #fff;
	border: 1px solid var(--csic-line);
	border-top: 4px solid var(--csic-lake);
	border-radius: 4px var(--csic-radius) var(--csic-radius) var(--csic-radius);
	transition: border-color .15s ease;
}
.csic-card:hover { border-color: var(--csic-lake); }
.csic-card > * { margin-block: 0; }
.csic-card__cat { font-size: 0.85rem; font-weight: 600; color: var(--csic-spruce); margin-bottom: 0.6rem !important; }
.csic-card__cat a { color: inherit; text-decoration: none; }
.csic-card__title { font-size: 1.25rem; line-height: 1.25; margin-bottom: 0.6rem !important; }
.csic-card__title a { color: var(--csic-ink); text-decoration: none; }
.csic-card__title a:hover { color: var(--csic-lake); text-decoration: underline; }
.csic-card__excerpt { color: var(--csic-slate); font-size: 0.98rem; line-height: 1.55; flex: 1; }
.csic-card__excerpt p { margin: 0; }
.csic-card__date { margin-top: 1rem !important; font-size: 0.85rem; color: var(--csic-slate); }
.csic-card__date::before, .csic-article__published::before { content: "Published "; }
.csic-article__updated::before { content: "Updated "; }

.csic-empty {
	padding: 1.5rem 1.75rem;
	background: var(--csic-frost);
	border-radius: var(--csic-radius);
	max-width: 760px;
}
.csic-empty p { margin: 0; }

/* ---------- Tools ---------- */
.csic-tools { padding-block: 0 var(--csic-section); background: #fff; }
.csic-tools__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.csic-tool {
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
	padding: clamp(1.5rem, 3vw, 2.25rem);
	border-radius: var(--csic-radius);
	text-decoration: none;
	color: #fff;
	min-height: 210px;
}
.csic-tool:hover { text-decoration: none; color: #fff; }
.csic-tool--test { background: var(--csic-spruce); }
.csic-tool--check { background: var(--csic-lake); }
.csic-tool__title { font-size: clamp(1.35rem, 2.2vw, 1.7rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.csic-tool__text { color: rgba(255, 255, 255, 0.85); max-width: 44ch; flex: 1; }
.csic-tool__cta {
	align-self: flex-start;
	font-weight: 600;
	padding: 0.55rem 1rem;
	border-radius: 6px;
	background: rgba(255, 255, 255, 0.14);
}
.csic-tool:hover .csic-tool__cta { background: #fff; color: var(--csic-ink); }

/* ---------- Trust ---------- */
.csic-trust { background: var(--csic-frost); padding-block: var(--csic-section); }
.csic-trust__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
	gap: clamp(2rem, 5vw, 5rem);
	align-items: start;
}
.csic-trust__intro h2 { margin-top: 0; max-width: 16ch; }
.csic-trust__intro p { color: var(--csic-slate); max-width: 40ch; }
.csic-principles { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 2.5rem; }
.csic-principle dt {
	font-weight: 700;
	font-size: 1.15rem;
	margin-bottom: 0.35rem;
	padding-left: 1.6rem;
	position: relative;
}
.csic-principle dt::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.32em;
	width: 0.95rem;
	height: 0.55rem;
	border-left: 3px solid var(--csic-spruce);
	border-bottom: 3px solid var(--csic-spruce);
	transform: rotate(-45deg);
}
.csic-principle dd { margin: 0; padding-left: 1.6rem; color: var(--csic-slate); }

/* ---------- Footer ---------- */
.csic-footer { background: var(--csic-ink); color: #B4C5D4; padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; font-size: 0.95rem; }
.csic-footer a { color: #E7EEF4; text-decoration: none; }
.csic-footer a:hover { color: #fff; text-decoration: underline; }
.csic-footer__grid {
	display: grid;
	grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
	gap: 2rem 3rem;
	padding-bottom: 2.5rem;
	border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.csic-footer__about p { max-width: 36ch; margin-top: 1rem; line-height: 1.6; }
.csic-footer__heading { color: #fff; font-size: 1rem; font-weight: 700; letter-spacing: 0; margin: 0 0 0.9rem; }
.csic-footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.csic-footer__legal { margin: 1.5rem 0 0; font-size: 0.85rem; color: #8FA3B6; }

/* ---------- Article ---------- */
.csic-article { padding-block: clamp(2.5rem, 6vw, 4rem) 0; }
.csic-article__head { margin-bottom: 2.25rem; }
.csic-article__cat { font-weight: 600; font-size: 0.95rem; color: var(--csic-spruce); }
.csic-article__cat a { color: inherit; text-decoration: none; }
.csic-article__title {
	font-size: clamp(2.1rem, 4.6vw, 3.2rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1.06;
	margin-block: 0.6rem 1rem;
	text-wrap: balance;
}
.csic-article__lede { font-size: 1.25rem; color: var(--csic-slate); line-height: 1.5; }
.csic-article__lede p { margin: 0; }
.csic-article__meta {
	margin-top: 1.25rem;
	padding-top: 1rem;
	border-top: 1px solid var(--csic-line);
	font-size: 0.92rem;
	color: var(--csic-slate);
}
.csic-article__meta { column-gap: 1.5rem; }
.csic-article__updated { font-weight: 600; color: var(--csic-ink); }

.wp-block-post-content h2 {
	font-family: var(--wp--preset--font-family--sans);
	font-size: 1.6rem;
	margin-top: 2.6rem;
	margin-bottom: 0.6rem;
}
.wp-block-post-content h3 { font-family: var(--wp--preset--font-family--sans); margin-top: 2rem; }
.wp-block-post-content ul,
.wp-block-post-content ol { padding-left: 1.3rem; }
.wp-block-post-content li { margin-bottom: 0.5rem; }
.wp-block-post-content li::marker { color: var(--csic-lake); }
.wp-block-post-content a { color: var(--csic-lake); }

.csic-article-notice {
	max-width: 720px;
	margin: 3rem auto 0 !important;
	padding: 1.25rem 1.5rem;
	background: var(--csic-frost);
	border-left: 4px solid var(--csic-wheat);
	border-radius: 0 var(--csic-radius) var(--csic-radius) 0;
	font-size: 0.98rem;
	line-height: 1.6;
}
.csic-article-notice p { margin: 0; }

.csic-related { margin-top: var(--csic-section) !important; padding-block: var(--csic-section); border-top: 1px solid var(--csic-line); }
.csic-related h2 { margin-top: 0; }

/* ---------- Pages and archives ---------- */
.csic-page { padding-block: clamp(2.5rem, 6vw, 4rem) var(--csic-section); }
.csic-page__title { font-size: clamp(2.1rem, 4.6vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.csic-page .wp-block-post-content { font-size: 1.125rem; }

.csic-archive { padding-block: clamp(2.5rem, 6vw, 4rem) var(--csic-section); }
.csic-archive__head { margin-bottom: 2.25rem; padding-bottom: 1.5rem; border-bottom: 2px solid var(--csic-ink); }
.csic-archive__title { font-size: clamp(2.1rem, 4.6vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin: 0; }
.csic-archive__desc { color: var(--csic-slate); font-size: 1.15rem; max-width: 60ch; margin-top: 0.75rem; }
.csic-archive__desc p { margin: 0; }
.csic-pagination { margin-top: 2.5rem; font-weight: 600; }

.csic-search { max-width: 520px; margin-block: 1.5rem; margin-left: 0 !important; }
.csic-search .wp-block-search__input { border: 1.5px solid var(--csic-line); border-radius: 6px; padding: 0.7rem 0.9rem; font: inherit; }
.csic-search .wp-block-search__button { margin-left: 0.5rem; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
	.csic-changes__grid,
	.csic-trust__grid { grid-template-columns: 1fr; }
	.csic-footer__grid { grid-template-columns: 1fr 1fr; }
	.csic-footer__about { grid-column: 1 / -1; }
	.csic-cards .wp-block-post-template.is-layout-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
	.csic-tools__grid,
	.csic-principles { grid-template-columns: 1fr; }
	.csic-cards .wp-block-post-template.is-layout-grid { grid-template-columns: 1fr; }
	.csic-log__item { grid-template-columns: 1fr; gap: 0.3rem; }
	.csic-footer__grid { grid-template-columns: 1fr; }
	.csic-brand__name { font-size: 0.98rem; }
	.csic-header__row { min-height: 64px; }
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation: none !important; transition: none !important; }
}