:root {
  --void: #08070a;
  --panel: #100e14;
  --panel-2: #17141c;
  --wire: #272231;
  --wire-strong: #3a3348;

  --ink: #f2f0f4;
  --ink-2: #9d98a6;

  --ink-3: #847e92;

  --sig: #e6293f;
  --sig-hot: #ff4257;
  --sig-soft: rgba(230, 41, 63, 0.1);
  --sig-line: rgba(230, 41, 63, 0.28);

  --amber: #f0a830;

  --phos: #3ddc84;
  --phos-line: rgba(61, 220, 132, 0.28);

  --radius: 4px;

  /* type scale */
  --fs-h1: clamp(1.9rem, 4.6vw, 2.4rem);
  --fs-h2: clamp(1.4rem, 3vw, 1.75rem);
  --fs-h3: 1.1rem;

  /* spacing scale */
  --space-section: 64px;
  --space-head: 40px;

  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --nav-h: 68px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

/* ---------- Scrollbars ---------- */
html {
  scrollbar-color: var(--wire-strong) var(--void);
  scrollbar-width: thin;
}

::-webkit-scrollbar { width: 12px; height: 12px; }

::-webkit-scrollbar-track {
  background: var(--void);
  border-left: 1px solid var(--wire);
}

::-webkit-scrollbar-thumb {
  background: var(--wire-strong);
  border: 3px solid var(--void);
}

::-webkit-scrollbar-thumb:hover { background: var(--sig); }

::-webkit-scrollbar-corner { background: var(--void); }

.table-scroll, .game-body {
  scrollbar-color: var(--wire-strong) var(--void);
  scrollbar-width: thin;
}

.table-scroll::-webkit-scrollbar-track,
.game-body::-webkit-scrollbar-track {
  background: var(--void);
  border: none;
  border-top: 1px solid var(--wire);
}

.table-scroll::-webkit-scrollbar-thumb,
.game-body::-webkit-scrollbar-thumb { border-color: var(--void); }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--sig);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ---------- Type roles ---------- */
h1, h2, h3, h4 {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}

h1 { font-size: var(--fs-h1); letter-spacing: -0.03em; line-height: 1.1; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.3; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.eyebrow-shell { text-transform: none; letter-spacing: 0.02em; color: var(--ink-3); }
.eyebrow-shell span { color: var(--ink-2); }

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--phos);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 7, 10, 0.72);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.nav.is-stuck {
  border-bottom-color: var(--wire);
  background: rgba(8, 7, 10, 0.92);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.brand { display: flex; align-items: center; gap: 10px; }

.brand img { width: 32px; height: 32px; transition: transform 0.4s var(--ease); }
.brand:hover img { transform: rotate(-12deg) scale(1.06); }

.brand-name {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}

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

.nav-links a {
  position: relative;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--sig);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }
.nav-links a.is-active { color: var(--ink); }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  padding: 8px;
  cursor: pointer;
}

.nav-toggle svg { width: 22px; height: 22px; }

.mobile-panel {
  display: none;
  flex-direction: column;
  padding: 8px 24px 20px;
  border-top: 1px solid var(--wire);
  background: var(--void);
}

.mobile-panel a {
  font-family: var(--mono);
  padding: 14px 2px;
  font-size: 15px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--wire);
}

.mobile-panel a:last-child { border-bottom: none; }
.nav.is-open .mobile-panel { display: flex; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}

.btn .icon { width: 15px; height: 15px; flex: none; transition: transform 0.25s var(--ease); }
.btn:hover .icon { transform: translate(2px, -2px); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--sig);
  color: #fff;
}

.btn-primary:hover { background: var(--sig-hot); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--wire-strong);
}

.btn-secondary:hover { border-color: var(--sig); background: var(--sig-soft); }

.btn-block { width: 100%; }

/* ---------- Section shell ---------- */
.section { padding-block: var(--space-section); }

.section-head { margin: 0 0 var(--space-head); }

.section-head h2 { margin: 0 0 14px; }

.section-head > p:not(.eyebrow) {
  color: var(--ink-2);
  font-size: 16px;
  margin: 0;
  max-width: 60ch;
}

.section-narrow .section-head { margin-bottom: 24px; }

.section-narrow > p {
  color: var(--ink-2);
  font-size: 17px;
  margin: 0 0 18px;
  max-width: 62ch;
}

/* ---------- Screen-reader-only ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Footer ---------- */
.footer { padding-block: 0 40px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
  padding-top: 52px;
  border-top: 1px solid var(--wire);
}

.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { width: 28px; height: 28px; }
.footer-brand span { font-family: var(--mono); font-weight: 700; font-size: 15px; }

.footer-tag {
  color: var(--ink-2);
  font-size: 14px;
  max-width: 34ch;
  margin: 0;
}

.footer-col h4 {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin: 0 0 18px;
  font-weight: 500;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 11px;
  width: fit-content;
  transition: color 0.2s ease, transform 0.2s var(--ease);
}

.footer-col a:hover { color: var(--ink); transform: translateX(3px); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 26px;
  border-top: 1px solid var(--wire);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
}

.footer-hint { color: var(--ink-3); }

/* ---------- Responsive (base) ---------- */
@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .mobile-panel { padding-inline: 24px; }
  .nav-links, .nav-cta .btn-secondary { display: none; }
  .nav-toggle { display: inline-flex; }
  .section { padding-block: 44px; }
  .section-head { margin-bottom: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- Subpage header (breadcrumb, title, meta) ---------- */
.page-main { padding-block: 40px 88px; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
}
.crumbs a { color: var(--ink-2); transition: color 0.2s ease; }
.crumbs a:hover { color: var(--sig); }

.page-head { display: grid; grid-template-columns: minmax(0, 1fr); margin: 0 0 var(--space-head); }
.page-head.has-lead { grid-template-columns: 76px minmax(0, 1fr); gap: 22px; align-items: start; }
.page-head h1 { margin: 0 0 14px; }
.page-sub {
  display: block;
  margin-top: 8px;
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.page-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-3);
}
.page-desc { max-width: 60ch; margin: 0 0 14px; font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.page-head-body > :last-child { margin-bottom: 0; }

@media (max-width: 620px) {
  .page-head.has-lead { grid-template-columns: 1fr; gap: 14px; }
}

[hidden] { display: none !important; }

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

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .caret { animation: none; }

  .loader img,
  .loader::after {
    animation-duration: 1.8s !important;
    animation-iteration-count: infinite !important;
  }
}