/* The Connection Point (energy-hunter) — site styles.
   Brand kit is the source of truth (brand-kit/brand-kit.md): map-ink triad on stone,
   hairline busbar rules, no gradients, no solid dark blocks except the ink footer
   (a sanctioned dark surface carrying the reversed nameplate). Fonts self-hosted
   variable woff2 subsets (fleet rail: zero third-party requests on a pageview). */

/* ── Fonts ─────────────────────────────────────────────────────────────────── */
@font-face {
  font-family: "Bitter";
  src: url("/assets/fonts/bitter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("/assets/fonts/literata-var.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("/assets/fonts/literata-italic-var.woff2") format("woff2");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ── Tokens (verbatim from brand-kit.md) ───────────────────────────────────── */
:root {
  --ink:   #23211d;
  --stone: #f6f5f2;
  --panel: #ebeae5;

  --grid:         #1f5587;
  --grid-deep:    #1b436c;
  --grid-light:   #9fc2e1;
  --grid-tint:    #dfe9f4;
  --load:         #7c5301;
  --load-deep:    #644100;
  --load-light:   #e2be82;
  --load-tint:    #f5ead7;
  --shiraz:       #663356;
  --shiraz-deep:  #512744;
  --shiraz-light: #d7b0c9;
  --shiraz-tint:  #f1e6ed;

  --font-masthead: "Bitter", Georgia, serif;
  --font-serif:    "Literata", Georgia, serif;
  --font-sans:     "Inter", system-ui, sans-serif;

  --hairline: 1px solid rgba(35, 33, 29, 0.28);
  --hairline-soft: 1px solid rgba(35, 33, 29, 0.14);
  --muted: rgba(35, 33, 29, 0.66);
  --faint: rgba(35, 33, 29, 0.5);
  --wrap: 1080px;
  --measure: 700px;
  --cat-ink: var(--grid);
  --cat-tint: var(--grid-tint);
}

/* Category → ink (brand-kit data-cat map). Grid is the default. */
[data-cat="market"]     { --cat-ink: var(--grid);   --cat-tint: var(--grid-tint); }
[data-cat="networks"]   { --cat-ink: var(--grid-deep); --cat-tint: var(--grid-tint); }
[data-cat="generation"] { --cat-ink: var(--load);   --cat-tint: var(--load-tint); }
[data-cat="data"]       { --cat-ink: var(--load);   --cat-tint: var(--load-tint); }
[data-cat="community"]  { --cat-ink: var(--shiraz); --cat-tint: var(--shiraz-tint); }

/* ── Reset-ish ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.6;
  font-optical-sizing: auto;
}
img, svg { max-width: 100%; height: auto; }
table, .data, .figures, .chip { font-variant-numeric: tabular-nums lining-nums; }

a { color: var(--grid); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover, a:focus-visible { color: var(--grid-deep); }
a:focus-visible { outline: 2px solid var(--grid); outline-offset: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--stone); padding: 8px 14px;
  font-family: var(--font-sans); font-size: 14px; z-index: 10;
}
.skip:focus { left: 8px; top: 8px; color: var(--stone); }

/* ── Kickers and small caps furniture ──────────────────────────────────────── */
.kicker {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.115em;
  text-transform: uppercase;
  color: var(--cat-ink);
  margin: 0 0 8px;
}
.kicker a { color: inherit; text-decoration: none; }
.kicker a:hover { text-decoration: underline; }

/* ── Header: nameplate over a busbar nav rule ──────────────────────────────── */
.site-head { border-top: 3px solid var(--grid); }
.site-head .plate {
  display: flex; justify-content: center;
  padding: 26px 20px 18px;
}
.site-head .plate img { height: 58px; width: auto; }
.site-nav {
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}
.site-nav ul {
  list-style: none; margin: 0 auto; padding: 0 20px;
  max-width: var(--wrap);
  display: flex; justify-content: center; gap: 34px;
  overflow-x: auto;
}
.site-nav a {
  display: block; padding: 11px 0 9px;
  font-family: var(--font-sans); font-weight: 700; font-size: 12.5px;
  letter-spacing: 0.115em; text-transform: uppercase;
  color: var(--ink); text-decoration: none; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--grid-deep); border-bottom-color: var(--grid-light); }
body[data-page="market"]     .site-nav a[data-nav="market"],
body[data-page="generation"] .site-nav a[data-nav="generation"],
body[data-page="networks"]   .site-nav a[data-nav="networks"],
body[data-page="data"]       .site-nav a[data-nav="data"] {
  color: var(--grid-deep); border-bottom-color: var(--grid);
}
@media (max-width: 640px) {
  .site-head .plate img { height: 44px; }
  .site-nav ul { gap: 22px; justify-content: flex-start; }
}

/* ── Front page ────────────────────────────────────────────────────────────── */
.front { padding: 34px 0 8px; }
.front-lead {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 36px; padding-bottom: 30px; border-bottom: var(--hairline);
}
.lead-story .lead-art { display: block; margin: 0 0 18px; }
.lead-story .lead-art img { display: block; width: 100%; height: auto; border: var(--hairline-soft); }
.lead-story h2 {
  font-family: var(--font-masthead); font-weight: 700;
  font-size: clamp(26px, 3.4vw, 36px); line-height: 1.18; margin: 0 0 12px;
}
.lead-story h2 a { color: var(--ink); text-decoration: none; }
.lead-story h2 a:hover { color: var(--grid-deep); }
.lead-story .standfirst { font-size: 18px; line-height: 1.55; margin: 0 0 10px; color: var(--ink); }
.front-rail { display: flex; flex-direction: column; gap: 22px; }

/* Text-forward story card: category top rule + kicker + headline + standfirst + date */
.story-card { border-top: 3px solid var(--cat-ink); padding-top: 10px; }
.story-card h3 {
  font-family: var(--font-masthead); font-weight: 600;
  font-size: 20px; line-height: 1.28; margin: 0 0 8px;
}
.story-card h3 a { color: var(--ink); text-decoration: none; }
.story-card h3 a:hover { color: var(--grid-deep); }
.story-card p { font-size: 15.5px; line-height: 1.5; margin: 0 0 8px; color: var(--muted); }
.story-card .date { font-family: var(--font-sans); font-size: 12.5px; color: var(--faint); }

.front-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px; padding: 30px 0;
}
@media (max-width: 900px) {
  .front-lead { grid-template-columns: 1fr; }
  .front-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .front-grid { grid-template-columns: 1fr; }
}

/* "How this site works" strip on the front page */
.method-strip {
  background: var(--panel);
  border-top: var(--hairline); border-bottom: var(--hairline);
  padding: 22px 0; margin: 8px 0 0;
}
.method-strip .wrap { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 28px; }
.method-strip p { margin: 0; font-size: 15.5px; }
.method-strip .kicker { margin: 0; }

/* ── Section fronts ────────────────────────────────────────────────────────── */
.crumbs {
  font-family: var(--font-sans); font-size: 12.5px; color: var(--faint);
  margin: 18px 0 14px; padding: 0; list-style: none;
  display: flex; gap: 8px;
}
.crumbs a { color: var(--faint); }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--faint); }

.section-hero { margin: 0 0 18px; }
.section-hero img { display: block; width: 100%; height: auto; border: var(--hairline-soft); }
.section-head { margin: 0 0 26px; }
.section-head h1 {
  font-family: var(--font-masthead); font-weight: 700;
  font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 0 0 10px;
}
.section-head .explainer { font-size: 17px; color: var(--muted); margin: 0; max-width: var(--measure); }
.section-list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px; padding: 8px 0 40px;
}
@media (max-width: 700px) { .section-list { grid-template-columns: 1fr; } }

/* ── Page head (generic: tips, about, privacy…) ────────────────────────────── */
.page-head { margin: 30px 0 22px; max-width: var(--measure); }
.page-head h1 {
  font-family: var(--font-masthead); font-weight: 700;
  font-size: clamp(26px, 3.6vw, 36px); line-height: 1.16; margin: 0 0 12px;
}
.page-head .standfirst { font-size: 18px; line-height: 1.55; color: var(--ink); margin: 0; }

/* ── Article ───────────────────────────────────────────────────────────────── */
.article { padding: 26px 0 8px; }
.article-head { max-width: 860px; }
.article-head .strip-art { display: block; margin: 0 0 20px; }
.article-head .strip-art img { display: block; width: 100%; height: auto; border: var(--hairline-soft); }
.article-head h1 {
  font-family: var(--font-masthead); font-weight: 700;
  font-size: clamp(27px, 3.8vw, 40px); line-height: 1.16; margin: 0 0 14px;
}
.article-head .standfirst {
  font-size: 19px; line-height: 1.55; margin: 0 0 14px; max-width: 820px;
}
.dateline {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  font-family: var(--font-sans); font-size: 13px; color: var(--muted);
  padding: 10px 0 18px; border-bottom: var(--hairline);
  margin-bottom: 26px;
}
.article-body { max-width: var(--measure); }
.article-body p { margin: 0 0 1.2em; }
.article-body h2 {
  font-family: var(--font-masthead); font-weight: 600;
  font-size: 23px; line-height: 1.25; margin: 1.6em 0 0.6em;
}
.article-body ul, .article-body ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.article-body li { margin-bottom: 0.4em; }
.article-body cite, .article-body em { font-style: italic; }

/* Source chip (citation furniture per brand kit) */
.chip {
  display: inline-block;
  font-family: var(--font-sans); font-weight: 600; font-size: 11.5px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink); background: var(--stone);
  border: 1px solid var(--grid);
  padding: 3px 9px; text-decoration: none;
}
a.chip:hover { background: var(--grid-tint); color: var(--ink); }

/* Attributed-statement box (two dated positions side by side) */
.statements {
  border-top: var(--hairline); border-bottom: var(--hairline);
  margin: 1.6em 0; padding: 14px 0 4px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 26px;
}
.statements > div { padding-bottom: 12px; }
.statements h3 {
  font-family: var(--font-sans); font-weight: 700; font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--grid-deep);
  margin: 0 0 6px;
}
.statements p { font-size: 15.5px; line-height: 1.5; margin: 0 0 0.7em; }
@media (max-width: 640px) { .statements { grid-template-columns: 1fr; } }

/* Data tables */
.article-body table, .data-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--font-sans); font-size: 14.5px; line-height: 1.4;
  margin: 1.4em 0;
}
.article-body th, .article-body td, .data-table th, .data-table td {
  text-align: left; padding: 8px 12px 8px 0; vertical-align: top;
  border-bottom: var(--hairline-soft);
}
.article-body thead th, .data-table thead th {
  font-weight: 600; font-size: 12.5px; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--muted); border-bottom: var(--hairline);
}
.article-body td.num, .article-body th.num { text-align: right; padding-right: 0; padding-left: 12px; }
/* A .num cell only sits flush to the table edge when it IS the edge. Followed by another
   column, padding-right:0 meets the next cell's padding-left:0 and the text abuts it
   ("84%up 197 MW"). Restore the gutter for any .num that is not the last cell. */
.article-body td.num:not(:last-child), .article-body th.num:not(:last-child),
.data-table td.num:not(:last-child), .data-table th.num:not(:last-child) { padding-right: 12px; }
.table-scroll { overflow-x: auto; }
/* Keep short label cells (Stage 1, a postcode) on one line so they never break
   mid-token when a table is squeezed on a narrow screen; prose columns still wrap,
   and .table-scroll catches any overflow. */
.article-body table td:first-child, .data-table td:first-child { white-space: nowrap; }

/* Charts */
figure.chart { margin: 1.8em 0; }
figure.chart figcaption {
  font-family: var(--font-sans); font-weight: 600; font-size: 14px;
  margin: 0 0 10px; color: var(--ink);
}
figure.chart .chart-note {
  font-family: var(--font-sans); font-weight: 400; font-size: 12.5px;
  color: var(--muted); margin: 8px 0 0;
}
.chart-scroll { overflow-x: auto; }
/* Charts keep a floor width and scroll sideways on small screens rather than
   scaling their labels below legibility (the scrollable-panel pattern). */
.chart-scroll svg { min-width: 680px; display: block; }

/* Methodology note (panel block, hairline ink rules top and bottom) */
.methodology {
  background: var(--panel);
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  padding: 14px 18px; margin: 2em 0;
  font-family: var(--font-sans); font-size: 13.5px; line-height: 1.55;
  color: var(--ink);
}
.methodology h2, .methodology h3 {
  font-family: var(--font-sans); font-weight: 700; font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 8px;
}
.methodology p { margin: 0 0 0.8em; }
.methodology p:last-child { margin-bottom: 0; }

/* The documents (end-of-story source list) */
.sources { max-width: var(--measure); margin: 2.2em 0 0; padding-top: 16px; border-top: var(--hairline); }
.sources h2 {
  font-family: var(--font-sans); font-weight: 700; font-size: 12px;
  letter-spacing: 0.115em; text-transform: uppercase; color: var(--grid-deep);
  margin: 0 0 10px;
}
.sources ul { list-style: none; margin: 0; padding: 0; }
.sources li {
  font-family: var(--font-sans); font-size: 14px; line-height: 1.5;
  padding: 7px 0; border-bottom: var(--hairline-soft);
}
.sources cite { font-style: italic; font-family: var(--font-serif); }
.sources .src-org { font-weight: 600; }

/* Correction invite */
.correction-invite {
  max-width: var(--measure); margin: 1.6em 0;
  font-family: var(--font-sans); font-size: 13.5px; color: var(--muted);
}

/* ── Forms (tips page) ─────────────────────────────────────────────────────── */
.tip-forms { display: grid; gap: 40px; max-width: var(--measure); padding-bottom: 40px; }
.form-block { border-top: 3px solid var(--grid); padding-top: 14px; }
.form-block h2 { font-family: var(--font-masthead); font-weight: 600; font-size: 24px; margin: 0 0 10px; }
.form-block > p { font-size: 16px; margin: 0 0 18px; }
.form-block form > div { margin-bottom: 16px; }
.form-block label {
  display: block; font-family: var(--font-sans); font-weight: 600; font-size: 14px;
  margin-bottom: 5px;
}
.form-block input[type="text"], .form-block input[type="email"], .form-block input[type="tel"],
.form-block textarea {
  width: 100%; padding: 9px 10px;
  font-family: var(--font-sans); font-size: 15px; color: var(--ink);
  background: #fff; border: 1px solid rgba(35, 33, 29, 0.4); border-radius: 0;
}
.form-block textarea { min-height: 130px; resize: vertical; }
.form-block input:focus, .form-block textarea:focus {
  outline: 2px solid var(--grid); outline-offset: 0; border-color: var(--grid);
}
.form-block .meta { font-family: var(--font-sans); font-size: 12.5px; color: var(--muted); margin: 5px 0 0; }
.hp { position: absolute; left: -9999px; }
.btn {
  display: inline-block; cursor: pointer;
  font-family: var(--font-sans); font-weight: 600; font-size: 14.5px;
  color: var(--stone); background: var(--grid);
  border: 1px solid var(--grid-deep); border-radius: 0;
  padding: 10px 22px;
}
.btn:hover { background: var(--grid-deep); }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.form-msg { font-family: var(--font-sans); font-size: 14.5px; margin: 12px 0 0; }
.form-msg.ok { color: var(--grid-deep); font-weight: 600; }
.form-msg.err { color: var(--shiraz-deep); font-weight: 600; }

/* ── Prose pages (about, how-this-site-works, privacy) ─────────────────────── */
.prose { max-width: var(--measure); padding-bottom: 40px; }
.prose h2 {
  font-family: var(--font-masthead); font-weight: 600;
  font-size: 23px; line-height: 1.25; margin: 1.6em 0 0.6em;
}
.prose p { margin: 0 0 1.2em; }
.prose ul { margin: 0 0 1.2em; padding-left: 1.3em; }
.prose li { margin-bottom: 0.4em; }

/* ── Ad slot: exists from birth, empty by default ──────────────────────────── */
.ad-slot { margin: 2em auto; max-width: var(--measure); }
.ad-slot .ad-label {
  font-family: var(--font-sans); font-weight: 600; font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint);
}

/* ── Sponsored-content disclosure (kernel/sponsored-content-convention.md) ──
   Class names are the fleet-wide contract; the styling is this masthead's own.
   Driven off --grid/--stone/--ink so it re-themes with the page rather than
   pinning a raw palette colour that would go unreadable in the other theme. */
.disclosure-banner {
  border: 1px solid var(--grid); border-left: 4px solid var(--grid);
  background: color-mix(in oklab, var(--grid) 10%, var(--stone));
  color: var(--ink);
  padding: 0.9rem 1.1rem; margin: 0 0 1.6rem;
  font-family: var(--font-sans); font-size: 0.85rem; line-height: 1.55;
}
.disclosure-label {
  display: block; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: color-mix(in oklab, var(--grid) 55%, var(--ink));
  margin-bottom: 0.4rem;
}
.disclosure-banner p { margin: 0.3rem 0; }
.disclosure-banner p:first-of-type { margin-top: 0; }
.disclosure-banner p:last-of-type { margin-bottom: 0; }
.disclosure-banner a { color: color-mix(in oklab, var(--grid) 55%, var(--ink)); font-weight: 600; }

/* ── Footer: the sanctioned dark surface ───────────────────────────────────── */
.site-foot {
  background: var(--ink); color: var(--stone);
  margin-top: 48px; padding: 36px 0 28px;
  font-family: var(--font-sans); font-size: 14px; line-height: 1.6;
}
.site-foot a { color: var(--grid-light); text-decoration-thickness: 1px; }
.site-foot a:hover { color: var(--stone); }
.site-foot .foot-plate img { height: 44px; width: auto; margin-bottom: 6px; }
.site-foot .foot-grid {
  display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px; padding-bottom: 22px;
}
.site-foot h2 {
  font-size: 12px; font-weight: 700; letter-spacing: 0.115em; text-transform: uppercase;
  color: rgba(246, 245, 242, 0.75); margin: 0 0 10px;
}
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 6px; }
.site-foot .credo { color: rgba(246, 245, 242, 0.85); max-width: 380px; margin: 10px 0 0; }
.site-foot .foot-base {
  border-top: 1px solid rgba(246, 245, 242, 0.25);
  padding-top: 16px; font-size: 12.5px; color: rgba(246, 245, 242, 0.7);
}
.site-foot .foot-base p { margin: 0 0 4px; }
@media (max-width: 700px) { .site-foot .foot-grid { grid-template-columns: 1fr; } }

/* ── 404 ───────────────────────────────────────────────────────────────────── */
.notfound { padding: 60px 0 40px; max-width: var(--measure); }
.notfound h1 { font-family: var(--font-masthead); font-weight: 700; font-size: 34px; margin: 0 0 12px; }