/* ══════════════════════════════════════════════════════════════
   Zhanchao Yang — Plot Makes Differences
   Loads after home.css and inherits its tokens, then overrides
   most of them.

   The register here is a newsroom, not a portfolio: newsprint
   ground, hairline rules, a red slug, and figures that are given
   the full column width because the charts are the argument.
══════════════════════════════════════════════════════════════ */

body.plot-page {
	--paper: #fcfbf7;
	--paper-deep: #f3f1ea;
	--newsprint: #f7f5ef;
	--rule: rgba(17, 17, 17, 0.16);
	--rule-soft: rgba(17, 17, 17, 0.09);
	--slug: #b3271c;
	--graphite: #111;
	--graphite-soft: rgba(17, 17, 17, 0.66);
	--graphite-faint: rgba(17, 17, 17, 0.45);

	background: var(--paper);
	color: var(--graphite);
	font-family: var(--sans);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

body.plot-page .site-nav {
	background: rgba(252, 251, 247, 0.88);
	border-bottom: 1px solid var(--rule-soft);
}
body.plot-page .nav-links a::after { background: var(--slug); }
body.plot-page .nav-links a.active { color: var(--slug); }

/* ── Masthead ─────────────────────────────────────────────── */
.pl-masthead {
	padding: 168px 0 0;
	border-bottom: 3px double var(--rule);
}

.pl-dateline {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 18px;
	align-items: baseline;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--graphite-faint);
	padding-bottom: 14px;
	border-bottom: 1px solid var(--rule-soft);
}
.pl-dateline .pl-slug { color: var(--slug); }

.pl-masthead h1 {
	font-family: var(--serif);
	font-weight: 600;
	font-size: clamp(3rem, 9vw, 6.6rem);
	line-height: 0.94;
	letter-spacing: -0.03em;
	margin: 40px 0 0;
	max-width: 15ch;
}
.pl-masthead h1 em {
	font-style: italic;
	color: var(--slug);
}

.pl-deck {
	display: grid;
	grid-template-columns: 1.15fr 1fr;
	gap: 48px;
	margin: 44px 0 40px;
	align-items: end;
}
.pl-deck p {
	font-family: var(--serif);
	font-size: 1.28rem;
	line-height: 1.55;
	color: var(--graphite-soft);
}
.pl-deck p + p {
	font-family: var(--sans);
	font-size: 0.95rem;
	line-height: 1.72;
	border-left: 2px solid var(--slug);
	padding-left: 20px;
}

/* ── Figures ──────────────────────────────────────────────── */
.pl-figures { padding: 0 0 40px; }

.pl-figure {
	padding: 78px 0 0;
	border-bottom: 1px solid var(--rule-soft);
}
.pl-figure:last-of-type { border-bottom: 0; }

.pl-fig-head {
	display: grid;
	grid-template-columns: 88px 1fr;
	gap: 28px;
	align-items: start;
	margin-bottom: 34px;
}
.pl-fig-n {
	font-family: var(--serif);
	font-size: 3.4rem;
	line-height: 0.8;
	font-weight: 600;
	color: var(--paper-deep);
	-webkit-text-stroke: 1px var(--rule);
	letter-spacing: -0.04em;
}
.pl-fig-kicker {
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--slug);
	margin-bottom: 10px;
}
.pl-fig-head h2 {
	font-family: var(--serif);
	font-weight: 600;
	font-size: clamp(1.6rem, 3.4vw, 2.5rem);
	line-height: 1.14;
	letter-spacing: -0.02em;
	max-width: 22ch;
}
.pl-fig-head p {
	margin-top: 14px;
	font-size: 1rem;
	line-height: 1.7;
	color: var(--graphite-soft);
	max-width: 58ch;
}

.pl-plate {
	display: block;
	background: #fff;
	border: 1px solid var(--rule-soft);
	box-shadow: 0 1px 2px rgba(17, 17, 17, 0.04), 0 18px 44px rgba(17, 17, 17, 0.07);
	padding: 10px;
	transition: box-shadow 0.5s ease, transform 0.5s ease;
}
.pl-plate img {
	display: block;
	width: 100%;
	height: auto;
}
.pl-plate:hover {
	transform: translateY(-3px);
	box-shadow: 0 2px 6px rgba(17, 17, 17, 0.06), 0 26px 60px rgba(17, 17, 17, 0.13);
}

.pl-fig-foot {
	display: grid;
	grid-template-columns: 1fr 300px;
	gap: 44px;
	margin: 26px 0 74px;
	align-items: start;
}
.pl-caption {
	font-family: var(--serif);
	font-size: 1.02rem;
	line-height: 1.66;
	color: var(--graphite-soft);
}
.pl-caption strong {
	color: var(--graphite);
	font-weight: 600;
}

/* the decisions list — what was actually done to the chart */
.pl-moves {
	border-top: 2px solid var(--graphite);
	padding-top: 12px;
	list-style: none;
}
.pl-moves-label {
	font-size: 0.64rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--graphite-faint);
	margin-bottom: 10px;
}
.pl-moves li {
	font-size: 0.85rem;
	line-height: 1.55;
	color: var(--graphite-soft);
	padding: 9px 0 9px 18px;
	border-top: 1px solid var(--rule-soft);
	position: relative;
}
.pl-moves li:first-of-type { border-top: 0; }
.pl-moves li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 17px;
	width: 7px;
	height: 1px;
	background: var(--slug);
}
.pl-moves li b {
	color: var(--graphite);
	font-weight: 600;
}

/* ── Colophon ─────────────────────────────────────────────── */
.pl-colophon {
	background: var(--newsprint);
	border-top: 3px double var(--rule);
	padding: 72px 0 82px;
}
.pl-colophon-inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 56px;
	align-items: start;
}
.pl-colophon h2 {
	font-family: var(--serif);
	font-size: clamp(1.7rem, 3.6vw, 2.4rem);
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.16;
	margin-bottom: 18px;
}
.pl-colophon p {
	font-size: 0.98rem;
	line-height: 1.76;
	color: var(--graphite-soft);
}
.pl-colophon p + p { margin-top: 14px; }
.pl-colophon a {
	color: var(--slug);
	text-decoration: none;
	border-bottom: 1px solid rgba(179, 39, 28, 0.35);
}
.pl-colophon a:hover { border-bottom-color: var(--slug); }

.pl-stack {
	border-top: 2px solid var(--graphite);
	padding-top: 14px;
}
.pl-stack dl {
	display: grid;
	grid-template-columns: 116px 1fr;
	gap: 0;
}
.pl-stack dt,
.pl-stack dd {
	padding: 11px 0;
	border-top: 1px solid var(--rule-soft);
	font-size: 0.86rem;
	line-height: 1.55;
}
.pl-stack dl > dt:first-of-type,
.pl-stack dl > dt:first-of-type + dd {
	border-top: 0;
}
.pl-stack dt {
	font-weight: 600;
	letter-spacing: 0.02em;
	color: var(--graphite);
}
.pl-stack dd { color: var(--graphite-soft); }

.pl-back {
	margin-top: 30px;
	display: inline-flex;
	align-items: center;
	gap: 9px;
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	color: var(--graphite);
	text-decoration: none;
	border-bottom: 0;
}
.pl-back .arrow { transition: transform 0.3s ease; }
.pl-back:hover .arrow { transform: translateX(-4px); }

/* ── Footer tuning ────────────────────────────────────────── */
body.plot-page .site-footer {
	background: var(--graphite);
	color: rgba(255, 255, 255, 0.72);
}
body.plot-page .footer-grid { border-bottom-color: rgba(255, 255, 255, 0.14); }
body.plot-page .footer-name { color: #fff; }
body.plot-page .footer-identity { color: rgba(255, 255, 255, 0.62); }
body.plot-page .footer-identity .dot { color: rgba(255, 255, 255, 0.34); }
body.plot-page .footer-note { color: rgba(255, 255, 255, 0.45); }
body.plot-page .footer-links a { color: rgba(255, 255, 255, 0.7); }
body.plot-page .footer-links a::after { background: #fff; }
body.plot-page .footer-links a:hover { color: #fff; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 980px) {
	.pl-deck,
	.pl-fig-foot,
	.pl-colophon-inner {
		grid-template-columns: 1fr;
		gap: 28px;
	}
}

@media (max-width: 640px) {
	.pl-masthead { padding-top: 126px; }
	.pl-fig-head {
		grid-template-columns: 1fr;
		gap: 12px;
	}
	.pl-fig-n { font-size: 2.4rem; }
	.pl-plate { padding: 6px; }
	.pl-stack dl { grid-template-columns: 1fr; }
	.pl-stack dt { padding-bottom: 0; border-bottom: 0; }
	.pl-stack dd { border-top: 0; padding-top: 4px; }
}

@media (prefers-reduced-motion: reduce) {
	.pl-plate,
	.pl-back .arrow {
		transition: none;
	}
	.pl-plate:hover { transform: none; }
}