:root {
  --night: #11110f;
  --deep: #1c1c19;
  --cream: #f4f1e9;
  --paper: #faf9f5;
  --coral: #ff6846;
  --sun: #efb64d;
  --mint: #9bc79c;
  --sky: #8298f2;
  --plum: #d8d2ff;
  --ink: #11110f;
  --muted: #706f69;
  --line: #d8d4ca;
  --radius: 22px;
  --shadow: none;
  --page-pad: clamp(20px, 5vw, 78px);
  --body: "Manrope", Arial, sans-serif;
  --display: Georgia, "Times New Roman", serif;
  --mono: "DM Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  color: var(--ink);
  background: var(--cream);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

body::before {
  z-index: 100;
  opacity: 0.1;
}

.case-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 var(--page-pad);
  background: rgb(244 241 233 / 92%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.case-wordmark {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-self: start;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.case-wordmark span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  overflow: hidden;
  background: transparent;
  border-radius: 50%;
}

.case-wordmark span img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.case-header-links {
  display: flex;
  gap: clamp(22px, 3vw, 44px);
  font-size: 12px;
}

.case-header a {
  color: inherit;
  text-decoration: none;
}

.case-header-links a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.case-close {
  display: inline-flex;
  gap: 16px;
  align-items: center;
  justify-self: end;
  padding: 8px 13px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 11px;
}

.case-close span {
  font-size: 18px;
  line-height: 0.7;
}

.progress {
  top: 76px;
  z-index: 60;
  height: 3px;
  background: var(--coral);
}

nav.chapter-nav {
  position: sticky;
  top: 76px;
  left: auto;
  z-index: 40;
  display: flex;
  gap: 6px;
  width: 100%;
  padding: 12px var(--page-pad);
  overflow-x: auto;
  background: rgb(250 249 245 / 92%);
  border-bottom: 1px solid var(--line);
  transform: none;
  backdrop-filter: blur(16px);
  scrollbar-width: none;
}

nav.chapter-nav::-webkit-scrollbar {
  display: none;
}

nav.chapter-nav a {
  flex: 0 0 auto;
  gap: 7px;
  padding: 7px 10px;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.07em;
}

nav.chapter-nav a:hover,
nav.chapter-nav a.active {
  color: var(--ink);
  background: var(--cream);
  border-color: var(--line);
}

nav.chapter-nav i {
  width: 6px;
  height: 6px;
  background: transparent;
}

nav.chapter-nav span,
nav.chapter-nav:hover span,
nav.chapter-nav a:focus span {
  opacity: 1;
}

nav.chapter-nav a.active i {
  background: var(--coral);
  border-color: var(--coral);
  transform: none;
}

main {
  overflow: clip;
}

.slide {
  display: block;
  min-height: auto;
  padding: clamp(64px, 7vw, 110px) var(--page-pad);
  border-bottom: 1px solid var(--line);
}

.content {
  width: min(1320px, 100%);
}

.eyebrow {
  gap: 0;
  margin-bottom: 22px;
  padding: 7px 10px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.eyebrow::before {
  display: none;
}

h1,
h2,
.display {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.06em;
}

h1 {
  max-width: 1000px;
  margin-bottom: 30px;
  font-size: clamp(58px, 8.5vw, 138px);
  line-height: 0.9;
}

h2 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: clamp(43px, 5.6vw, 82px);
  line-height: 1;
}

h2,
.scope-intro h3,
.media-intro h3 {
  max-width: 980px;
  font-family: var(--display);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

h3 {
  font-size: 17px;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 820px;
  color: var(--muted);
  font-size: clamp(17px, 1.65vw, 24px);
  letter-spacing: -0.02em;
  line-height: 1.5;
}

.hero {
  display: grid;
  min-height: calc(100vh - 124px);
  align-items: center;
  color: var(--paper);
  background: var(--night);
}

.hero .eyebrow,
.party .eyebrow,
.closing .eyebrow {
  color: var(--paper);
  border-color: rgb(255 255 255 / 22%);
}

.hero .lead,
.party .lead,
.closing .lead {
  color: rgb(250 249 245 / 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr minmax(260px, 0.55fr);
  gap: clamp(50px, 8vw, 130px);
  align-items: center;
}

.hero-illustration {
  margin: 0;
}

.hero-illustration img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: var(--radius);
}

.calendar {
  display: block;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 0.82;
  padding: 22px;
  background:
    linear-gradient(180deg, transparent 45%, rgb(17 17 15 / 82%)),
    url("game-walking-map.png") center / cover;
  border: 1px solid rgb(255 255 255 / 24%);
  border-radius: var(--radius);
}

.calendar::before,
.calendar::after {
  display: none;
}

.calendar strong {
  position: absolute;
  bottom: 64px;
  left: 22px;
  font-family: var(--display);
  font-size: clamp(70px, 8vw, 118px);
  font-weight: 500;
  letter-spacing: -0.08em;
}

.calendar small {
  right: 22px;
  bottom: 27px;
  left: 22px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.pills {
  gap: 7px;
}

.pill {
  padding: 8px 12px;
  color: var(--muted);
  background: var(--paper);
  border-color: var(--line);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card {
  background: var(--paper);
  border-color: var(--line);
  border-radius: var(--radius);
  box-shadow: none;
}

.video-link {
  margin-top: 14px;
  padding: 9px 14px 9px 9px;
  background: var(--paper);
  border-color: var(--ink);
  box-shadow: none;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  text-transform: uppercase;
}

.role-snapshot {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 38px 0 12px;
}

.role-snapshot article {
  display: flex;
  min-height: 160px;
  padding: 22px;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.role-snapshot article:nth-child(2) {
  background: var(--plum);
}

.role-snapshot article:nth-child(3) {
  background: var(--sun);
}

.role-snapshot article:nth-child(4) {
  color: var(--paper);
  background: var(--ink);
}

.role-snapshot strong {
  font-size: clamp(28px, 3vw, 46px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.role-snapshot span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.role-snapshot article:nth-child(4) span {
  color: #aaa8a1;
}

.role-note {
  max-width: 920px;
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.scope-tags span {
  padding: 8px 11px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.media-intro {
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.media-intro h3 {
  margin-bottom: 16px;
}

.video-link::before {
  background-color: var(--ink);
}

.screen-strip {
  grid-auto-columns: minmax(245px, 310px);
  gap: 12px;
  margin-right: calc(var(--page-pad) * -1);
  padding-bottom: 4px;
  padding-right: var(--page-pad);
}

.screen-card {
  padding: 8px;
}

.screen-card img {
  height: 570px;
  border-radius: 15px;
}

.screen-card figcaption {
  padding: 15px 7px 8px;
  font-size: 11px;
  line-height: 1.55;
}

.screen-card strong {
  color: var(--ink);
  font-size: 13px;
}

.game-overview-strip {
  grid-auto-columns: clamp(300px, 25vw, 390px);
}

.game-overview-strip .screen-card img {
  height: 620px;
  object-fit: contain;
  object-position: center;
  background: var(--paper);
}

.stat-grid,
.tracks,
.economy,
.reflection {
  gap: 12px;
}

.stat {
  min-height: 180px;
  padding: 28px;
}

.stat strong {
  color: var(--ink);
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.stat:nth-child(2n) {
  background: var(--plum);
}

.stat span {
  color: var(--muted);
}

.stat.challenge {
  background: #ece9e0;
  border-color: var(--line);
}

.stat.challenge::before {
  color: var(--coral);
  font-family: var(--mono);
  font-weight: 400;
}

.stat.challenge strong {
  color: var(--ink);
}

.diagram-scroll {
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.system-diagram {
  filter: none;
}

.system-diagram .node-title,
.system-diagram .node-copy,
.system-diagram .core-title,
.system-diagram .core-copy,
.system-diagram .tag {
  font-family: var(--display);
}

.diagram-legend {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.chain {
  gap: 10px;
}

.chain article {
  min-height: 210px;
  padding: 24px;
}

.chain b {
  color: var(--coral);
  font-family: var(--mono);
  font-size: 12px;
}

.track {
  padding: 30px;
  border-top-width: 1px;
}

.track::before {
  display: block;
  width: 34px;
  height: 5px;
  margin-bottom: 22px;
  content: "";
  background: var(--track);
  border-radius: 999px;
}

.track small {
  color: var(--trackText, var(--track));
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.track strong {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.track ul,
.reflection ul {
  font-size: 13px;
  line-height: 1.55;
}

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

.season-split .track {
  min-height: auto;
  padding: 28px;
}

.season-split .track strong {
  margin-bottom: 12px;
  font-size: clamp(28px, 2.6vw, 38px);
}

.season-split .track p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.season-mechanics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.season-mechanics article {
  display: flex;
  min-height: 92px;
  padding: 18px;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.season-mechanics strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.season-mechanics span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.loot {
  min-height: 145px;
  border: 1px solid var(--ink);
  border-radius: 16px;
}

.economy .card {
  padding: 28px;
}

.economy strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1;
}

.party,
.closing {
  background: var(--ink);
}

.party-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 520px);
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
}

.party .economy h3 {
  color: var(--coral);
}

.party .economy p {
  color: var(--muted);
}

.season-art {
  overflow: hidden;
  justify-self: end;
  width: min(520px, 100%);
  margin: 0;
  background: var(--paper);
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: var(--radius);
}

.season-art img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.season-art figcaption {
  padding: 16px 18px 18px;
  color: rgb(250 249 245 / 70%);
  background: rgb(17 17 15 / 92%);
  font-size: 13px;
  line-height: 1.45;
}

.season-art strong {
  display: block;
  margin-bottom: 4px;
  color: var(--paper);
}

.season-icon-example {
  display: grid;
  grid-template-columns: 128px minmax(0, 360px);
  gap: 18px;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin: 26px 0 0;
  padding: 14px 18px 14px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 34px;
}

.season-icon-example img {
  display: block;
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 28px;
}

.season-icon-example figcaption {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.season-icon-example strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.stars {
  color: var(--sun);
}

.reflection .card {
  padding: 30px;
  border-top-width: 1px;
}

.reflection .card h3 {
  color: var(--ink);
}

.reflection .card p,
.reflection .card li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.good {
  background: #eef2e9;
}

.risk {
  background: #f3e8e2;
}

.principle {
  background: #f3ead8;
}

.closing {
  min-height: 82vh;
  border-bottom: 0;
}

.closing .content {
  padding-right: clamp(0px, 12vw, 180px);
}

.closing h2 {
  max-width: 1100px;
}

.footer {
  right: var(--page-pad);
  bottom: 28px;
  font-family: var(--mono);
  font-size: 9px;
}

@media (max-width: 900px) {
  .case-header {
    grid-template-columns: 1fr auto;
  }

  .case-header-links {
    display: none;
  }

  nav.chapter-nav {
    display: flex;
  }

  .slide {
    padding: 70px var(--page-pad);
  }

  .hero-grid,
  .loot-grid,
  .party-grid {
    grid-template-columns: 1fr;
  }

  .season-art {
    justify-self: start;
  }

  .calendar {
    width: min(500px, 100%);
    margin: 0;
    aspect-ratio: 1.05;
  }

  .stat-grid,
  .tracks,
  .economy,
  .reflection,
  .role-snapshot,
  .season-mechanics {
    grid-template-columns: repeat(2, 1fr);
  }

  .diagram-scroll {
    margin-right: calc(var(--page-pad) * -1);
    border-radius: var(--radius) 0 0 var(--radius);
  }
}

@media (max-width: 620px) {
  .case-header {
    min-height: 66px;
  }

  .case-wordmark strong {
    display: none;
  }

  .case-close {
    gap: 9px;
  }

  .progress {
    top: 66px;
  }

  nav.chapter-nav {
    top: 66px;
  }

  h1 {
    font-size: clamp(50px, 15vw, 72px);
  }

  h2 {
    font-size: clamp(38px, 11vw, 52px);
  }

  .hero {
    min-height: auto;
  }

  .stat-grid,
  .tracks,
  .economy,
  .reflection,
  .loot-wheel,
  .role-snapshot,
  .season-mechanics {
    grid-template-columns: 1fr;
  }

  .screen-strip,
  .game-overview-strip {
    grid-auto-columns: 84vw;
  }

  .screen-card img,
  .game-overview-strip .screen-card img {
    height: min(640px, 126vw);
  }

  .season-icon-example {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .season-art {
    width: 100%;
  }

  .footer {
    position: static;
    margin-top: 70px;
  }
}