:root {
  --bg: #0c0b09;
  --ink: #efeae1;
  --muted: #9a9387;
  --faint: #6f6a61;
  --line: #2c2924;
  --paper: #15130f;
  --alert: #c45c3a;
  --ok: #8aa37c;
  --link: #c9a36a;
  --measure: 41rem;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.25rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }
a { color: inherit; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 80;
  background: var(--ink);
  color: var(--bg);
  padding: 0.4rem 0.7rem;
}

.wrap {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Masthead */
.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.15rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-mark {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--alert);
}

.brand-name {
  font-size: 0.92rem;
  font-weight: 500;
}

.mast-meta {
  display: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--alert);
}

.nav-desktop {
  display: none;
  gap: 1.35rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.nav-desktop a {
  text-decoration: none;
}
.nav-desktop a:hover { color: var(--ink); }

.menu-btn {
  font: inherit;
  font-size: 0.84rem;
  color: var(--ink);
  background: none;
  border: 1px solid var(--line);
  padding: 0.28rem 0.65rem;
  cursor: pointer;
}

.contents {
  display: none;
  border-top: 1px solid var(--line);
  padding: 0.4rem 0 0.8rem;
}

.contents.is-open { display: block; }

.contents a {
  display: block;
  padding: 0.55rem 0;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.contents a:hover { color: var(--ink); }

.rule-top {
  height: 3px;
  background: var(--alert);
}

/* Hero / story head */
.story-head {
  padding: 2.6rem 0 1.8rem;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--alert);
}

.story-head h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.05rem, 4.6vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.028em;
}

.dek {
  margin: 1.15rem 0 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.45;
}

.byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin-top: 1.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
}

/* Layout */
.story {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.75rem;
  padding: 2.4rem 0 4.5rem;
}

.rail {
  order: -1;
}

.facts {
  border-top: 1px solid var(--ink);
  padding-top: 0.9rem;
}

.facts h2 {
  margin: 0 0 0.9rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts dl {
  margin: 0;
}

.facts dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.facts dt { color: var(--muted); }
.facts dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.facts .warn { color: var(--alert); }
.facts .ok { color: var(--ok); }

.rail-note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--faint);
  line-height: 1.45;
}

/* Prose */
.prose h2 {
  margin: 2.4rem 0 0.8rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.prose h3 {
  margin: 1.6rem 0 0.5rem;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 600;
}

.prose p,
.prose li {
  color: #d8d2c6;
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.62;
}

.prose p { margin: 0 0 1.05rem; }

.prose p.lead::first-letter {
  float: left;
  font-size: 3.35rem;
  line-height: 0.78;
  padding: 0.18rem 0.45rem 0 0;
  font-weight: 600;
  color: var(--ink);
}

.prose a {
  color: var(--ink);
  text-decoration-color: var(--link);
  text-underline-offset: 3px;
}

.prose a:hover { color: var(--link); }

.prose ol,
.prose ul {
  margin: 0 0 1.2rem;
  padding-left: 1.2rem;
}

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

blockquote {
  margin: 1.6rem 0;
  padding: 0.15rem 0 0.15rem 1.1rem;
  border-left: 2px solid var(--alert);
}

blockquote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink);
  line-height: 1.45;
}

blockquote footer {
  margin-top: 0.45rem;
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.78rem;
  color: var(--faint);
}

.timeline {
  list-style: none;
  margin: 1.2rem 0 1.6rem;
  padding: 0;
  border-left: 1px solid var(--line);
}

.timeline li {
  position: relative;
  padding: 0 0 1.15rem 1.15rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: #d8d2c6;
  line-height: 1.5;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 0.45rem;
  width: 6px;
  height: 6px;
  background: var(--alert);
}

.timeline time {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-style: normal;
  color: var(--muted);
}

/* Venues / wallets: not product cards */
.split {
  display: grid;
  gap: 0;
  margin: 1.2rem 0 1.6rem;
  border-top: 1px solid var(--line);
}

.split article {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.split h3 {
  margin: 0 0 0.35rem;
  font-family: var(--sans);
  font-size: 1.05rem;
}

.split p {
  margin: 0 0 0.7rem;
  font-size: 1rem;
  color: var(--muted);
}

.more {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--link) 50%, transparent);
}

.more:hover { color: var(--ink); }

.prose ol.steps,
.steps {
  counter-reset: step;
  list-style: none;
  margin: 1rem 0 1.5rem;
  padding: 0;
}

.steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  font-size: 1.05rem;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  flex: 0 0 1.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--alert);
  padding-top: 0.28rem;
}

.steps li span {
  flex: 1;
  min-width: 0;
}

.press {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.15rem;
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

.press a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.press a:hover { color: var(--ink); }

.diagram {
  margin: 1.6rem 0;
  padding: 1.1rem 1rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.diagram svg { display: block; width: 100%; height: auto; }

.diagram figcaption {
  margin-top: 0.7rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--faint);
}

.chain-box {
  margin: 1.4rem 0 1.6rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--muted);
}

.chain-box strong {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--alert);
}

.chain-box code {
  color: var(--ink);
  font-size: 0.72rem;
}

.method {
  margin: 0 0 1.4rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--muted);
}

.pick {
  position: relative;
}

.split article.pick {
  background: color-mix(in srgb, var(--ok) 8%, transparent);
  padding: 1.05rem 0.85rem 1rem;
  border: 1px solid color-mix(in srgb, var(--ok) 45%, var(--line));
}

.pick h3::after {
  content: "Recommended";
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.12rem 0.4rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--obsidian, #0c0b09);
  background: var(--ok);
  vertical-align: middle;
}

.bars {
  margin: 1.6rem 0;
  padding: 1.1rem 1rem 0.95rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.bars h3 {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--alert);
}

.bar-row {
  display: grid;
  grid-template-columns: 10.5rem 1fr 3.4rem;
  gap: 0.55rem;
  align-items: center;
  margin: 0.5rem 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.bar-row b {
  font-weight: 500;
  text-align: right;
  color: var(--ink);
}

.bar {
  height: 10px;
  width: 100%;
  min-width: 0;
  background: #2c2924;
}

.bar-row.compact {
  grid-template-columns: 3.4rem 1fr 3.2rem;
}

.bar i {
  display: block;
  height: 100%;
  background: var(--alert);
}

.bar i.gold { background: var(--link); }
.bar i.ok { background: var(--ok); }

.bars figcaption {
  margin: 0.85rem 0 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--faint);
}

.rail-bars {
  margin: 1.15rem 0 0;
  padding: 0.85rem 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
}

.note-box {
  margin: 1.6rem 0;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.note-box strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--link);
}

.note-box p {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--muted);
}

@media (max-width: 560px) {
  .bar-row:not(.compact) {
    grid-template-columns: 1fr auto;
  }
  .bar-row:not(.compact) span:first-child {
    grid-column: 1 / -1;
  }
}

.rails {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.8rem 0 1.1rem;
}

.chip {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.5rem;
  border: 1px solid var(--line);
}

.chip-ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.chip-warn { color: var(--alert); border-color: color-mix(in srgb, var(--alert) 40%, var(--line)); }

/* FAQ */
.faq {
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 1.5rem 0.95rem 0;
  font-weight: 500;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0.9rem;
  color: var(--faint);
  font-weight: 400;
}

.faq details[open] summary::after { content: "–"; }

.faq details p {
  margin: 0 0 1rem;
  font-size: 1.02rem;
}

.sources {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sources li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.sources a { color: var(--ink); }

.page-foot {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.8rem;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.5;
}

.page-foot p { margin: 0 0 0.6rem; }
.page-foot a { color: var(--muted); }

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.62rem 0.95rem;
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-cex {
  background: #8aa37c;
  border-color: #8aa37c;
  color: #0c0b09;
}

.btn-amazon {
  background: #c45c3a;
  border-color: #c45c3a;
  color: #efeae1;
}

.btn-ghost { background: transparent; }
.btn-ghost:hover { border-color: #c9a36a; color: var(--link); }

.prime {
  margin: 0.55rem 0 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.guides {
  display: grid;
  gap: 0;
  margin: 1.2rem 0 1.6rem;
  border-top: 1px solid var(--line);
}

.guides a {
  display: block;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.guides a strong {
  display: block;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
}

.guides a span {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-cta {
  display: none;
  background: #8aa37c;
  color: #0c0b09;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
}

@media (min-width: 720px) {
  .guides { grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
}

@media (min-width: 720px) {
  .split { grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }
  .split article {
    padding: 1.15rem 0 0;
    border-bottom: 0;
  }
  .split article + article {
    padding-left: 1.4rem;
    border-left: 1px solid var(--line);
  }
  .split article.pick {
    margin: 0;
    padding: 1.05rem 0.85rem 1rem;
  }
}

@media (min-width: 960px) {
  .menu-btn { display: none; }
  .contents { display: none !important; }
  .nav-desktop { display: flex; }
  .mast-meta { display: none; }
  .nav-cta { display: inline-flex; }
  .story {
    grid-template-columns: minmax(0, 1fr) 17.75rem;
    gap: 4.25rem;
    align-items: start;
  }
  .rail {
    order: 0;
    position: sticky;
    top: 4.5rem;
  }
}

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

@media print {
  .masthead, .menu-btn, .contents, .page-foot { display: none; }
  body { background: #fff; color: #111; }
  .prose p, .prose li { color: #111; }
}