/* BitMEX Alternatives — Terminal Dark design system.
   Self-contained, no external fonts/CDN. Numbers use a mono stack for a trading-terminal feel. */

:root {
  --bg: #0B0E11;
  --panel: #12171D;
  --panel-2: #1A212A;
  --line: #26303B;
  --line-soft: #1E2731;
  --text: #E6EDF3;
  --muted: #9AAABA;
  --muted-2: #6C7C8C;
  --teal: #14E39C;
  --teal-deep: #0FB88F;
  --teal-ink: #04140E;
  --amber: #F5A623;
  --amber-ink: #241703;
  --danger: #F0616D;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 1120px;
  --narrow: 760px;
  --r: 12px;
  --r-sm: 8px;
  --s1: .35rem; --s2: .6rem; --s3: 1rem; --s4: 1.5rem; --s5: 2.5rem; --s6: 4rem; --s7: 6rem;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 17px; line-height: 1.62;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.015em; font-weight: 750; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.15rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin-top: 0; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.lede { font-size: 1.18rem; color: #C7D3DE; }
.small { font-size: .84rem; color: var(--muted); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
strong { color: #F2F6FA; font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--line); margin: var(--s5) 0; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.wrap-narrow { max-width: var(--narrow); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section { padding-block: var(--s6); }
.section-sm { padding-block: var(--s5); }

/* skip link */
.skip { position: absolute; left: -999px; top: 0; background: var(--teal); color: var(--teal-ink); padding: .6rem 1rem; z-index: 100; border-radius: 0 0 var(--r-sm) 0; }
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; border-radius: 3px; }

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(11,14,17,.82); backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: var(--s4); height: 62px; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; letter-spacing: -.02em; color: var(--text); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand .mark { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; gap: var(--s4); margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: .95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta { background: var(--teal); color: var(--teal-ink) !important; padding: .5rem .9rem; border-radius: var(--r-sm); font-weight: 800; }
.nav-cta:hover { background: #2BF0AC; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: var(--r-sm); width: 42px; height: 40px; font-size: 1.2rem; cursor: pointer; }
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--panel); border-bottom: 1px solid var(--line); padding: .5rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .8rem .6rem; width: 100%; border-radius: var(--r-sm); }
  .nav-links a:hover { background: var(--panel-2); }
  .nav-cta { text-align: center; }
}

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: .5rem; justify-content: center;
  font-weight: 750; font-size: 1rem; padding: .8rem 1.3rem; border-radius: var(--r-sm);
  border: 1px solid transparent; cursor: pointer; transition: transform .06s ease, background .15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: var(--teal-ink); box-shadow: 0 0 0 1px rgba(20,227,156,.35), 0 8px 24px -12px rgba(20,227,156,.7); }
.btn-primary:hover { background: #29efaa; }
.btn-amber { background: var(--amber); color: var(--amber-ink); }
.btn-amber:hover { background: #ffb733; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); background: var(--panel); }
.btn-lg { padding: .95rem 1.6rem; font-size: 1.06rem; }
.btn-sm { padding: .42rem .8rem; font-size: .82rem; border-radius: 6px; white-space: nowrap; }
.btn-block { width: 100%; }

/* table CTA + bonus cell */
.cta-cell { min-width: 160px; }
.bonus { display: block; font-size: .78rem; color: var(--amber); font-weight: 700; margin-bottom: .35rem; white-space: nowrap; }
tr.tier-muted .cta-cell a.compare-link { color: var(--muted); font-weight: 650; font-size: .84rem; }
.deep-link { color: var(--muted-2); font-size: .82rem; }

/* ---- Disclosure banner ---- */
.disclosure-strip { background: var(--panel); border-bottom: 1px solid var(--line-soft); }
.disclosure-strip p { margin: 0; padding: .5rem 0; font-size: .78rem; color: var(--muted-2); text-align: center; }
.disclosure-strip a { color: var(--muted); }

/* ---- Hero (split) ---- */
.hero { padding-block: var(--s6) var(--s5); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--s5); align-items: start; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: var(--s4); } }
.hero h1 { margin-bottom: .5rem; }
.hero .lede { max-width: 46ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: var(--s4); }
.hero-note { margin-top: 1rem; font-size: .82rem; color: var(--muted-2); }

/* countdown */
.countdown { display: flex; gap: .6rem; margin: var(--s4) 0 0; }
.cd-cell { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-sm); padding: .5rem .2rem; min-width: 62px; text-align: center; }
.cd-num { font-family: var(--mono); font-size: 1.7rem; font-weight: 700; color: var(--amber); font-variant-numeric: tabular-nums; line-height: 1; }
.cd-lab { font-size: .66rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted-2); margin-top: .35rem; }
.deadline-tag { display: inline-flex; align-items: center; gap: .5rem; background: rgba(245,166,35,.12); border: 1px solid rgba(245,166,35,.4); color: var(--amber); font-weight: 700; font-size: .82rem; padding: .35rem .7rem; border-radius: 999px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 0 rgba(245,166,35,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(245,166,35,0); } 100% { box-shadow: 0 0 0 0 rgba(245,166,35,0); } }

/* winner card */
.winner-card { background: linear-gradient(180deg, rgba(20,227,156,.09), rgba(20,227,156,0) 60%), var(--panel); border: 1px solid rgba(20,227,156,.45); border-radius: var(--r); padding: var(--s4); box-shadow: 0 24px 60px -30px rgba(20,227,156,.5); }
.winner-card .pick { display: inline-flex; align-items: center; gap: .45rem; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; color: var(--teal); }
.winner-card .xname { font-size: 1.7rem; font-weight: 800; margin: .3rem 0 .1rem; }
.winner-stats { list-style: none; margin: var(--s3) 0; padding: 0; display: grid; gap: .5rem; }
.winner-stats li { display: flex; justify-content: space-between; gap: 1rem; font-size: .92rem; border-bottom: 1px dashed var(--line); padding-bottom: .45rem; }
.winner-stats .v { font-family: var(--mono); color: var(--text); font-weight: 600; text-align: right; }

/* ---- Comparison table ---- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 860px; font-size: .93rem; }
table.cmp th, table.cmp td { padding: .8rem .85rem; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.cmp thead th { position: sticky; top: 0; background: var(--panel-2); color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; z-index: 1; }
table.cmp tbody tr:hover { background: rgba(255,255,255,.02); }
table.cmp .xn { font-weight: 750; color: var(--text); white-space: nowrap; }
table.cmp .num { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
/* row tiers */
tr.tier-winner { background: linear-gradient(90deg, rgba(20,227,156,.10), rgba(20,227,156,.02)); }
tr.tier-winner td { border-bottom-color: rgba(20,227,156,.25); }
tr.tier-winner .xn { color: var(--teal); }
tr.tier-fav .xn { color: var(--text); }
tr.tier-muted td { color: var(--muted); }
tr.tier-muted .xn { color: var(--muted); font-weight: 600; }
.rankpill { display: inline-block; font-family: var(--mono); font-size: .72rem; color: var(--teal-ink); background: var(--teal); border-radius: 5px; padding: .05rem .4rem; margin-right: .5rem; font-weight: 800; }
tr.tier-fav .rankpill { background: var(--panel-2); color: var(--muted); }
tr.tier-muted .rankpill { background: transparent; color: var(--muted-2); border: 1px solid var(--line); }

/* yes/no/warn cells */
.yes { color: var(--teal); font-weight: 700; }
.no { color: var(--danger); font-weight: 700; }
.warn { color: var(--amber); font-weight: 700; }
.na { color: var(--muted-2); }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; padding: .12rem .5rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.tag-teal { color: var(--teal); border-color: rgba(20,227,156,.4); background: rgba(20,227,156,.08); }
.tag-amber { color: var(--amber); border-color: rgba(245,166,35,.4); background: rgba(245,166,35,.08); }

/* filter toggles */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: var(--s3); align-items: center; }
.filters .flabel { font-size: .8rem; color: var(--muted-2); margin-right: .3rem; }
.chip { font: inherit; font-size: .84rem; font-weight: 650; color: var(--muted); background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: .4rem .85rem; cursor: pointer; }
.chip[aria-pressed="true"] { color: var(--teal-ink); background: var(--teal); border-color: var(--teal); }

/* ---- Generic panels / cards ---- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: var(--s4); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); }
@media (max-width: 820px) { .grid-2, .grid-3, .cards-3 { grid-template-columns: 1fr; } }
.rcard { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.rcard .rc-body { padding: var(--s3); }
.eyebrow-mini { font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; color: var(--teal-deep); font-weight: 800; margin: 0 0 .4rem; }

/* steps */
.steps { list-style: none; counter-reset: s; margin: var(--s4) 0 0; padding: 0; display: grid; gap: var(--s3); }
.steps li { counter-increment: s; position: relative; padding-left: 3.2rem; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: -.1rem; width: 2.3rem; height: 2.3rem; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--teal-deep); color: var(--teal); font-family: var(--mono); font-weight: 700; display: grid; place-items: center; }
.steps li strong { display: block; margin-bottom: .15rem; }

/* FAQ */
.faq details { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--panel); margin-bottom: .7rem; }
.faq summary { cursor: pointer; padding: 1rem 1.1rem; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-weight: 700; }
.faq details[open] summary::after { content: "\2013"; }
.faq details[open] summary { border-bottom: 1px solid var(--line-soft); }
.faq .faq-body { padding: 1rem 1.1rem; color: #C7D3DE; }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* callout */
.callout { border-left: 3px solid var(--teal); background: var(--panel); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: var(--s3) var(--s4); }
.callout.amber { border-left-color: var(--amber); }
.callout.danger { border-left-color: var(--danger); }

/* breadcrumbs */
.crumbs { font-size: .82rem; color: var(--muted-2); padding-block: var(--s4) 0; }
.crumbs a { color: var(--muted); }

/* prose (guides / long content) */
.prose { font-size: 1.05rem; }
.prose h2 { margin-top: var(--s5); }
.prose h3 { margin-top: var(--s4); }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .4rem; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.blog-hero img { border-radius: var(--r); border: 1px solid var(--line); margin-bottom: var(--s4); }
.post-date { font-family: var(--mono); font-size: .8rem; color: var(--muted-2); text-transform: uppercase; letter-spacing: .1em; }
.author-hook { display: flex; align-items: center; gap: .6rem; margin-top: var(--s3); font-size: .9rem; color: var(--muted); }
.author-hook img { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); }
.blog-cta { background: var(--panel); border: 1px solid rgba(20,227,156,.35); border-radius: var(--r); padding: var(--s4); margin-top: var(--s5); }
.blog-cta-btns { display: flex; flex-wrap: wrap; gap: .7rem; }

/* sticky mobile CTA */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; display: none; gap: .6rem; padding: .6rem .8rem calc(.6rem + env(safe-area-inset-bottom)); background: rgba(11,14,17,.94); backdrop-filter: blur(8px); border-top: 1px solid var(--line); }
.sticky-cta .btn { flex: 1; padding: .75rem; }
.sticky-cta .s-lab { display: none; }
@media (max-width: 820px) { .sticky-cta { display: flex; } body { padding-bottom: 72px; } }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: #090C0F; margin-top: var(--s6); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s5); padding-block: var(--s5); }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; gap: var(--s4); } }
.site-footer h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer a { color: var(--muted); font-size: .92rem; }
.site-footer a:hover { color: var(--text); }
.footer-legal { border-top: 1px solid var(--line); padding-block: var(--s4); font-size: .8rem; color: var(--muted-2); }
.risk-note { background: rgba(240,97,109,.06); border: 1px solid rgba(240,97,109,.25); border-radius: var(--r-sm); padding: var(--s3); font-size: .82rem; color: var(--muted); margin-top: var(--s3); }

.center { text-align: center; }
.stack-sm > * + * { margin-top: var(--s3); }