:root {
  color-scheme: light;
  --ink: #111318;
  --muted: #5f6673;
  --paper: #f8f8f4;
  --white: #ffffff;
  --line: #d6d9de;
  --red: #c7352b;
  --teal: #08756f;
  --gold: #c98f17;
  --blue: #355c96;
  --green: #4d7f4c;
  --shadow: 0 18px 45px rgba(17, 19, 24, 0.12);
}

* {
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-user-select: none;
  user-select: none;
}

a {
  color: inherit;
  -webkit-user-drag: none;
  user-drag: none;
}

img,
video,
svg {
  -webkit-user-drag: none;
  user-drag: none;
}

::selection {
  background: transparent;
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--white);
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(17, 19, 24, 0.12);
  background: rgba(248, 248, 244, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a:focus {
  color: var(--ink);
}

main {
  overflow: hidden;
}

.hero,
.map-stage,
.stat-band,
.closing-call {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 68px);
  display: grid;
  align-content: center;
  padding: 5rem 0 4rem;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 2.2rem;
  right: -8vw;
  width: min(760px, 62vw);
  height: min(760px, 74vh);
  pointer-events: none;
  background:
    linear-gradient(rgba(248, 248, 244, 0.18), rgba(248, 248, 244, 0.18)),
    url("assets/newcastle-osm-hero-map.png") center / cover no-repeat;
  border-radius: 8px;
  filter: saturate(0.9) contrast(0.98);
  opacity: 0.34;
  transform: rotate(-1.5deg);
  mask-image: radial-gradient(circle at 54% 50%, #000 0%, rgba(0, 0, 0, 0.78) 42%, transparent 74%);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.kicker,
.section-label {
  margin: 0 0 0.8rem;
  color: var(--red);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 960px;
  margin-bottom: 1.35rem;
  font-size: clamp(3rem, 7vw, 6.7rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  max-width: 860px;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.lede {
  max-width: 860px;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  line-height: 1.35;
}

.hero > p:not(.kicker) {
  max-width: 780px;
  font-size: 1.08rem;
}

.hero-actions,
.chapter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-actions {
  margin-top: 1.5rem;
}

.button,
.chapter-bar button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--ink);
  color: var(--white);
}

.button:hover,
.button:focus,
.chapter-bar button:hover,
.chapter-bar button:focus {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(17, 19, 24, 0.14);
}

.map-stage {
  padding: 5rem 0 3.5rem;
}

.section-intro {
  max-width: 740px;
  color: var(--muted);
  font-size: 1.1rem;
}

.video-frame {
  margin-top: 2rem;
  background: #08090c;
  border: 1px solid rgba(17, 19, 24, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #08090c;
}

.chapter-bar {
  margin-top: 1rem;
}

.chapter-bar button {
  border-color: rgba(17, 19, 24, 0.25);
  background: var(--white);
}

.stat-band {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 4rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  min-height: 210px;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-top: 8px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
}

.stat-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.stat-value {
  margin-bottom: 0.6rem;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 0.95;
}

.accent-red {
  border-top-color: var(--red);
}

.accent-teal {
  border-top-color: var(--teal);
}

.accent-gold {
  border-top-color: var(--gold);
}

.accent-blue {
  border-top-color: var(--blue);
}

.essay {
  width: min(880px, calc(100% - 2rem));
  margin-inline: auto;
  padding: 5.5rem 0 2.5rem;
}

.essay section {
  padding: 0 0 3.75rem;
  margin-bottom: 3.75rem;
  border-bottom: 1px solid var(--line);
}

.essay h2 {
  max-width: 760px;
  margin-bottom: 1.15rem;
  font-size: clamp(1.9rem, 3vw, 3rem);
}

.essay p {
  max-width: 760px;
  font-size: 1.08rem;
}

.essay section p:first-of-type {
  font-size: 1.2rem;
  color: var(--ink);
}

.closing-call {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
  margin-bottom: 4rem;
  padding: 3rem;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
}

.closing-call h2 {
  font-size: clamp(2rem, 3.6vw, 3.9rem);
}

.closing-call p:last-child {
  align-self: start;
  margin-bottom: 0;
  font-size: 1.16rem;
}

.author-note {
  width: min(880px, calc(100% - 2rem));
  margin: 0 auto 4rem;
  padding: 3.25rem 0 4rem;
  border-top: 1px solid var(--line);
}

.author-note h2 {
  max-width: 760px;
  margin-bottom: 1rem;
  font-size: clamp(1.55rem, 2.35vw, 2.35rem);
  white-space: nowrap;
}

.author-note p {
  max-width: 760px;
  font-size: 1.08rem;
}

.text-link {
  color: var(--ink);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0;
}

.note-page {
  width: min(900px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 5rem 0;
}

.note-page h1 {
  font-size: clamp(2.8rem, 6vw, 5.8rem);
}

.note-page h2 {
  margin-top: 3rem;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.note-page p,
.note-page li {
  font-size: 1.05rem;
}

.note-page li + li {
  margin-top: 0.45rem;
}

.note-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.note-table th,
.note-table td {
  padding: 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.note-table th {
  width: 34%;
}

code {
  padding: 0.12rem 0.3rem;
  border-radius: 4px;
  background: rgba(17, 19, 24, 0.08);
}

@media (max-width: 850px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .hero {
    min-height: auto;
    padding-top: 3.5rem;
  }

  .hero::before {
    top: 5rem;
    right: -18rem;
    width: 720px;
    height: 620px;
    opacity: 0.2;
  }

  .stat-band,
  .closing-call {
    grid-template-columns: 1fr;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .closing-call {
    padding: 1.4rem;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 2.7rem;
  }

  .button,
  .chapter-bar button {
    width: 100%;
  }
}

/* Gerostats dark glass theme */
:root {
  color-scheme: dark;
  --ink: #f8fafc;
  --muted: #94a3b8;
  --paper: #020617;
  --white: #ffffff;
  --line: rgba(148, 163, 184, 0.18);
  --red: #a3e635;
  --teal: #2dd4bf;
  --gold: #38bdf8;
  --blue: #60a5fa;
  --green: #2dd4bf;
  --card: rgba(15, 23, 42, 0.74);
  --card-strong: rgba(15, 23, 42, 0.92);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

body {
  background:
    linear-gradient(to right, rgba(255, 255, 255, 0.032) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(to bottom, rgba(255, 255, 255, 0.032) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(135deg, rgba(163, 230, 53, 0.1), transparent 32%),
    linear-gradient(315deg, rgba(45, 212, 191, 0.08), transparent 38%),
    var(--paper);
  color: var(--ink);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(2, 6, 23, 0.78);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--white);
}

.brand-mark {
  display: block;
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
  border-radius: 8px;
  background: url("/favicon.svg?v=mark-20260704") center / cover no-repeat;
  box-shadow: 0 0 24px rgba(163, 230, 53, 0.14);
}

nav {
  color: #cbd5e1;
}

nav a:hover,
nav a:focus {
  color: var(--red);
}

.hero::before {
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(2, 6, 23, 0.08), rgba(2, 6, 23, 0.08)),
    url("assets/newcastle-osm-hero-map.png") center / cover no-repeat;
  box-shadow: var(--shadow);
  opacity: 0.28;
}

.kicker,
.section-label {
  color: var(--red);
}

.lede,
.hero > p:not(.kicker),
.section-intro,
.essay p,
.closing-call p:last-child,
.author-note p,
.note-page p,
.note-page li {
  color: #cbd5e1;
}

.button,
.chapter-bar button {
  border-color: var(--line);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.65);
  color: var(--white);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
}

.button.primary {
  border-color: var(--red);
  background: var(--red);
  color: #07110d;
  box-shadow: 0 0 28px rgba(163, 230, 53, 0.24);
}

.button:hover,
.button:focus,
.chapter-bar button:hover,
.chapter-bar button:focus {
  border-color: rgba(163, 230, 53, 0.5);
  box-shadow: 0 0 30px rgba(163, 230, 53, 0.16);
}

.video-frame,
.stat-card,
.closing-call,
.note-table {
  border-color: var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.stat-card {
  border-top-color: var(--red);
}

.stat-card p:last-child,
.story-meta,
.note-table td {
  color: var(--muted);
}

.essay section,
.stat-band,
.author-note {
  border-color: var(--line);
}

.essay section p:first-of-type {
  color: #e2e8f0;
}

.note-table th,
.note-table td {
  border-color: var(--line);
}

code {
  background: rgba(148, 163, 184, 0.12);
  color: #d9f99d;
}

.text-link,
.note-page a {
  color: var(--white);
  text-decoration-color: var(--red);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(180px, auto);
  gap: 1rem;
  border-top: 1px solid var(--line);
  background: rgba(2, 6, 23, 0.64);
  color: var(--muted);
}

.site-footer a {
  color: var(--white);
}

.footer-credit {
  grid-column: 1 / -1;
  max-width: 960px;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  color: #cbd5e1;
  font-size: 0.9rem;
  line-height: 1.55;
}

.footer-credit span {
  display: block;
}

@media (max-width: 850px) {
  .site-footer {
    grid-template-columns: 1fr;
  }
}