:root {
  --paper: #f4f2ec;
  --paper-deep: #e9e6de;
  --ink: #111212;
  --ink-soft: #1a1b1b;
  --line: rgba(17, 18, 18, 0.12);
  --muted: #676864;
  --exit: #65d892;
  --exit-dark: #187b47;
  --laser: #ff585d;
  --wide: 1180px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.wide-container,
.container {
  width: min(calc(100% - 40px), var(--wide));
  margin-inline: auto;
}

.container {
  max-width: 900px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.dark-header {
  background: rgba(14, 15, 15, 0.92);
  color: #fff;
  backdrop-filter: blur(14px);
}

.header-content {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  font-family: var(--mono);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.brand-glyph {
  position: relative;
  width: 30px;
  height: 24px;
  border-top: 5px solid currentColor;
  border-bottom: 5px solid currentColor;
}

.brand-glyph::before,
.brand-glyph::after {
  content: "";
  position: absolute;
  top: 5px;
  width: 8px;
  height: 4px;
  background: currentColor;
}

.brand-glyph::before {
  left: 0;
}

.brand-glyph::after {
  right: 0;
}

.glyph-ball {
  position: absolute;
  top: 5px;
  left: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--exit);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--exit);
}

/* Home */
.hero {
  position: relative;
  min-height: 790px;
  overflow: hidden;
  background: #0e0f0f;
  color: #fff;
}

.hero-grid,
.exit-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 220px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.52));
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 3;
  min-height: 790px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.72fr);
  align-items: center;
  gap: clamp(42px, 8vw, 110px);
  padding-block: 64px 88px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.level-label,
.section-index,
.control-line,
.game-frame figcaption,
.card-number {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.level-label {
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.58);
}

.hero h1 {
  margin: 0;
  font-size: clamp(4rem, 10vw, 8.9rem);
  font-weight: 950;
  letter-spacing: -0.075em;
  line-height: 0.78;
}

.hero h1 span {
  color: transparent;
  -webkit-text-stroke: 2px var(--exit);
}

.hero-intro {
  max-width: 610px;
  margin: 38px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1rem, 1.8vw, 1.23rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--exit);
  background: var(--exit);
  color: #08140d;
}

.button-ghost {
  color: rgba(255, 255, 255, 0.8);
}

.control-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  color: rgba(255, 255, 255, 0.52);
}

.control-dot {
  width: 11px;
  height: 11px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.06);
}

.game-frame {
  position: relative;
  width: min(100%, 410px);
  margin: 0 auto;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #171818;
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.5);
  transform: rotate(1.2deg);
}

.game-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.game-frame figcaption {
  padding: 13px 8px 4px;
  color: rgba(255, 255, 255, 0.42);
  text-align: center;
}

.frame-corner {
  position: absolute;
  z-index: 2;
  width: 25px;
  height: 25px;
  border-color: var(--exit);
}

.frame-corner-top {
  top: -8px;
  right: -8px;
  border-top: 2px solid var(--exit);
  border-right: 2px solid var(--exit);
}

.hero-wall {
  position: absolute;
  z-index: 1;
  height: 15px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-wall-a {
  top: 24%;
  left: 0;
  width: 19%;
}

.hero-wall-b {
  right: 0;
  bottom: 18%;
  width: 25%;
}

.hero-ball {
  position: absolute;
  left: 52%;
  top: 21%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.12;
}

.paper-section {
  position: relative;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
}

.manifesto,
.chapters {
  padding-block: clamp(90px, 12vw, 160px);
}

.section-index {
  margin-bottom: 42px;
  color: var(--muted);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(40px, 9vw, 130px);
  align-items: start;
}

.manifesto h2,
.chapters h2,
.mechanics h2,
.exit-copy h2 {
  margin: 0;
  font-size: clamp(2.7rem, 6.8vw, 6.6rem);
  font-weight: 950;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.manifesto-copy > p {
  max-width: 610px;
  margin-top: 0;
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.game-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 44px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.game-stats div {
  padding: 20px 16px;
  background: var(--paper);
}

.game-stats dt {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 950;
  line-height: 1;
}

.game-stats dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.dark-section {
  background: var(--ink);
  color: #fff;
}

.mechanics {
  padding-block: clamp(90px, 12vw, 150px);
}

.light-index {
  color: rgba(255, 255, 255, 0.48);
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.mechanics h2 span {
  color: var(--exit);
}

.section-heading-row > p {
  max-width: 280px;
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
}

.mechanic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 74px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.mechanic-card {
  min-height: 390px;
  padding: 24px;
  background: var(--ink);
}

.mechanic-card h3 {
  margin: 12px 0 8px;
  font-family: var(--mono);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.mechanic-card > p:last-child {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.9rem;
}

.card-number {
  margin: 22px 0 0;
  color: var(--exit);
}

.mechanic-visual {
  position: relative;
  height: 190px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

.jaw-visual i {
  position: absolute;
  top: 48px;
  width: 42%;
  height: 18px;
  background: #fff;
}

.jaw-visual i:first-child {
  left: -5px;
  transform: rotate(18deg);
  transform-origin: left;
}

.jaw-visual i:nth-child(2) {
  right: -5px;
  transform: rotate(-18deg);
  transform-origin: right;
}

.jaw-visual b,
.well-visual b,
.laser-visual b,
.rotor-visual b {
  position: absolute;
  left: 50%;
  top: 58%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--exit);
  transform: translate(-50%, -50%);
}

.well-visual i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 82px;
  height: 82px;
  border: 1px dashed rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: inset 0 0 0 22px rgba(255, 255, 255, 0.04);
}

.well-visual b {
  top: 50%;
  width: 24px;
  height: 24px;
  background: #fff;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.35);
}

.laser-visual i {
  position: absolute;
  left: -12%;
  top: 48%;
  width: 124%;
  height: 3px;
  background: var(--laser);
  box-shadow: 0 0 12px var(--laser);
}

.laser-visual i:nth-child(2) {
  transform: rotate(42deg);
}

.rotor-visual i {
  position: absolute;
  left: 12%;
  top: 49%;
  width: 76%;
  height: 13px;
  background: #fff;
  transform: rotate(-27deg);
  box-shadow: 0 -13px 0 rgba(255, 255, 255, 0.09), 0 13px 0 rgba(255, 255, 255, 0.09);
}

.rotor-visual b {
  top: 50%;
  width: 18px;
  height: 18px;
  background: var(--ink);
  border: 4px solid var(--exit);
}

.chapter-layout {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: clamp(50px, 10vw, 150px);
}

.chapter-list {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.chapter-list li {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 17px 0;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

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

.exit-section {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: #0c0d0d;
  color: #fff;
}

.exit-copy {
  position: relative;
  z-index: 3;
}

.exit-copy > p {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.48);
}

.button-exit {
  margin-top: 34px;
  border-color: var(--exit);
  color: var(--exit);
}

.exit-door {
  position: absolute;
  z-index: 2;
  right: 11%;
  top: 50%;
  width: 190px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--exit);
  border-bottom-width: 14px;
  transform: translateY(-50%);
  box-shadow: 0 0 70px rgba(101, 216, 146, 0.18), inset 0 0 50px rgba(101, 216, 146, 0.08);
}

.exit-door::before,
.exit-door::after {
  content: "";
  position: absolute;
  left: -100vw;
  width: 100vw;
  height: 18px;
  background: #fff;
}

.exit-door::before {
  top: 40px;
}

.exit-door::after {
  bottom: 60px;
}

.exit-door span {
  color: var(--exit);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.22em;
}

.home-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: #0c0d0d;
  color: rgba(255, 255, 255, 0.46);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
}

.footer-layout {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-layout div {
  display: flex;
  gap: 24px;
}

/* Privacy policy */
.policy-page {
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
}

.policy-main {
  padding-block: 58px 80px;
}

.policy-card {
  padding: clamp(28px, 6vw, 72px);
  border: 2px solid var(--ink);
  background: rgba(244, 242, 236, 0.97);
  box-shadow: 14px 14px 0 var(--ink);
}

.policy-heading {
  padding-bottom: 30px;
  border-bottom: 4px solid var(--ink);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--exit-dark);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.policy-card h1,
.policy-card h2,
.policy-card h3 {
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.policy-card h1 {
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 950;
  letter-spacing: -0.065em;
}

.policy-card h2 {
  margin: 2.9rem 0 0.9rem;
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 900;
}

.policy-card h3 {
  margin: 1.8rem 0 0.5rem;
  font-size: 1.08rem;
}

.policy-card p,
.policy-card ul,
.policy-card ol {
  margin-top: 0.7rem;
  margin-bottom: 1rem;
}

.policy-card li + li {
  margin-top: 0.42rem;
}

.updated {
  margin: 13px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.summary,
.contents {
  margin: 30px 0;
  padding: 5px 24px 16px;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.4);
}

.summary {
  border-left: 8px solid var(--exit-dark);
}

.summary h2,
.contents h2 {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
}

.contents ol {
  columns: 2;
  column-gap: 44px;
  padding-left: 22px;
}

.contents a,
.policy-card a {
  color: var(--exit-dark);
}

.policy-card section {
  scroll-margin-top: 95px;
}

.policy-card section + section {
  margin-top: 28px;
  padding-top: 4px;
  border-top: 1px solid var(--ink);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--mono);
  font-size: 0.75rem;
}

address {
  padding: 18px 20px;
  border-left: 6px solid var(--exit-dark);
  background: rgba(255, 255, 255, 0.5);
  font-style: normal;
}

.policy-footer {
  padding: 0 0 44px;
  color: var(--muted);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

@media (max-width: 960px) {
  .hero-layout,
  .manifesto-grid,
  .chapter-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    padding-top: 90px;
  }

  .game-frame {
    width: min(82vw, 390px);
  }

  .mechanic-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exit-door {
    right: -40px;
    opacity: 0.42;
  }
}

@media (max-width: 640px) {
  .wide-container,
  .container {
    width: min(calc(100% - 22px), var(--wide));
  }

  .header-content {
    min-height: 62px;
  }

  .brand {
    font-size: 0.68rem;
  }

  .main-nav {
    gap: 14px;
  }

  .main-nav a:not(:last-child) {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    min-height: auto;
    padding-block: 72px 68px;
  }

  .hero h1 {
    font-size: clamp(3.75rem, 22vw, 6rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .game-stats {
    grid-template-columns: 1fr;
  }

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

  .mechanic-card {
    min-height: auto;
  }

  .section-heading-row,
  .footer-layout {
    align-items: flex-start;
    flex-direction: column;
  }

  .exit-section {
    min-height: 560px;
  }

  .exit-door {
    right: -90px;
  }

  .footer-layout {
    padding-block: 28px;
  }

  .footer-layout div {
    flex-wrap: wrap;
  }

  .policy-main {
    padding-block: 22px 48px;
  }

  .policy-card {
    box-shadow: 6px 6px 0 var(--ink);
  }

  .contents ol {
    columns: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .contents {
    display: none;
  }

  body,
  .policy-page {
    background: #fff;
  }

  .policy-main {
    padding: 0;
  }

  .policy-card {
    padding: 0;
    border: 0;
    box-shadow: none;
    background: #fff;
  }

  .policy-card a {
    color: #000;
  }
}