:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #5f6368;
  --line: #d7d2c4;
  --paper: #faf8f2;
  --panel: #ffffff;
  --panel-warm: #fff7ea;
  --accent: #2f7d6d;
  --accent-strong: #14534a;
  --warm: #d58b36;
  --fire: #cf3e2f;
  --electric: #f0c545;
  --water: #346bb8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

.site-header,
main {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

.hero-tcg {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(170px, 240px);
  gap: 32px;
  align-items: end;
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 32px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 12px;
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2 {
  line-height: 1.15;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.lede {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.15rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

nav a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--accent-strong);
  font-family: Arial, sans-serif;
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:hover,
.cluster-nav a:hover {
  border-color: var(--accent);
  background: #f1fbf7;
}

main {
  padding: 28px 0 56px;
}

section {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.25;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
}

ol,
ul {
  padding-left: 1.3rem;
}

li + li {
  margin-top: 8px;
}

strong {
  color: var(--warm);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.hero-card {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(207, 62, 47, 0.12), rgba(240, 197, 69, 0.12)),
    var(--panel);
}

.hero-card img {
  width: min(100%, 210px);
  margin: 0 auto;
  filter: drop-shadow(0 12px 18px rgba(32, 33, 36, 0.22));
}

.hero-art {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(47, 125, 109, 0.1), rgba(240, 197, 69, 0.16)),
    var(--panel);
}

.pokemon-strip {
  display: flex;
  align-items: end;
  justify-content: center;
  min-height: 160px;
}

.pokemon-strip img {
  width: 38%;
  max-height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 12px 16px rgba(32, 33, 36, 0.18));
}

.pokemon-strip img + img {
  margin-left: -18px;
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  text-align: center;
}

.cluster-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 24px;
}

.cluster-nav a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--accent-strong);
  font-family: Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.cluster-nav a[aria-current="page"] {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #ffffff;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.image-grid figure {
  display: grid;
  align-content: space-between;
  min-height: 100%;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.image-grid img {
  max-height: 260px;
  margin: 0 auto;
  object-fit: contain;
}

.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-family: Arial, sans-serif;
  font-size: 0.92rem;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef7f4;
  color: var(--accent-strong);
}

tr:last-child td {
  border-bottom: 0;
}

.pillar-grid,
.two-col,
.cards,
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillar-grid,
.method-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillar-grid article,
.two-col article,
.cards article,
.method-grid article,
.resource-box {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.pillar-grid {
  padding-top: 24px;
}

.pillar-grid a,
.method-grid a {
  font-family: Arial, sans-serif;
  font-weight: 700;
}

.cards article:nth-child(1) {
  border-top: 4px solid var(--fire);
}

.cards article:nth-child(2) {
  border-top: 4px solid var(--water);
}

.cards article:nth-child(3) {
  border-top: 4px solid var(--electric);
}

.media-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.media-row > img {
  max-height: 250px;
  margin: 0 auto;
  filter: drop-shadow(0 10px 16px rgba(32, 33, 36, 0.2));
}

.resource-box {
  background: var(--panel-warm);
}

.timeline-list {
  display: grid;
  gap: 12px;
  padding-left: 0;
  list-style: none;
}

.timeline-list li {
  margin: 0;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--panel);
}

.small-note {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 0.86rem;
}

details {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-family: Arial, sans-serif;
  font-weight: 700;
}

.link-list {
  display: grid;
  gap: 8px;
  padding-left: 1.1rem;
}

@media (max-width: 720px) {
  .site-header,
  main {
    width: min(100% - 24px, 900px);
  }

  .site-header {
    padding-top: 34px;
  }

  .hero-tcg,
  .hero-split,
  .pillar-grid,
  .two-col,
  .cards,
  .method-grid,
  .media-row {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 260px;
  }

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

  .pokemon-strip img {
    max-height: 150px;
  }

  .image-grid img {
    max-height: 300px;
  }

  nav a,
  .cluster-nav a {
    flex: 1 1 auto;
    text-align: center;
  }
}