/* The Algo Desk - trading api (impeccable, developer-console dark, amber primary) */
:root{
  --bg:      oklch(0.17 0.012 255);
  --bg-2:    oklch(0.21 0.014 256);
  --surface: oklch(0.235 0.016 258);
  --surface-2:oklch(0.14 0.012 256);
  --ink:     oklch(0.96 0.006 250);
  --ink-2:   oklch(0.76 0.014 255);
  --ink-3:   oklch(0.64 0.014 255);
  --line:    oklch(0.32 0.018 258);
  --line-2:  oklch(0.40 0.02 258);

  --amber:   oklch(0.80 0.13 80);
  --amber-hi:oklch(0.86 0.11 82);
  --amber-d: oklch(0.71 0.13 72);
  --on-amber:oklch(0.20 0.04 70);

  --link:    oklch(0.76 0.075 245);
  --link-hi: oklch(0.83 0.08 245);

  --sig-fix: oklch(0.80 0.13 80);
  --sig-get: oklch(0.76 0.075 245);
  --sig-post:oklch(0.78 0.10 300);

  --shadow:  0 1px 2px oklch(0.08 0.01 260 / .5), 0 18px 44px oklch(0.06 0.01 260 / .45);
  --glow:    0 0 0 1px var(--amber-d), 0 0 40px oklch(0.80 0.13 80 / .14);
  --r:14px; --wrap:1180px;

  --sans:"Hanken Grotesk",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",monospace;

  --z-sticky:40; --z-skip:60;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);
  font-size:clamp(1rem,0.96rem + 0.2vw,1.07rem);line-height:1.68;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(60% 42% at 82% -4%, oklch(0.80 0.13 80 / .10), transparent 62%),
    radial-gradient(46% 40% at -6% 4%, oklch(0.76 0.075 245 / .08), transparent 60%);
  background-repeat:no-repeat;
}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2.2rem)}
h1,h2,h3,h4{font-family:var(--mono);font-weight:700;line-height:1.08;letter-spacing:-0.03em;text-wrap:balance;margin:0}
p{margin:0 0 1rem;text-wrap:pretty}
a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--link-hi)}
strong{color:var(--ink);font-weight:700}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--on-amber);padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:var(--z-skip);font-weight:700}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}

/* -------- masthead -------- */
.masthead{position:sticky;top:0;z-index:var(--z-sticky);background:oklch(0.17 0.012 255 / .82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.masthead__row{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-family:var(--mono);font-weight:700;font-size:1.06rem;letter-spacing:-0.02em}
.brand__mark{font-family:var(--mono);font-weight:800;color:var(--on-amber);background:var(--amber);padding:.12rem .38rem;border-radius:6px;font-size:.9rem;letter-spacing:0}
.masthead__meta{display:flex;gap:.55rem;align-items:center;color:var(--ink-2);font-family:var(--mono);font-size:.78rem;font-weight:500}
.masthead__meta .sep{color:var(--line-2)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 oklch(0.80 0.13 80 / .5);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 oklch(0.80 0.13 80 / .45)}70%{box-shadow:0 0 0 7px oklch(0.80 0.13 80 / 0)}100%{box-shadow:0 0 0 0 oklch(0.80 0.13 80 / 0)}}
@media(max-width:620px){.masthead__meta span:not(.pulse):nth-child(n+3){display:none}}

/* -------- hero -------- */
.hero{padding:clamp(2.6rem,6vw,5.4rem) 0 clamp(1.8rem,4vw,3rem)}
.hero__grid{display:grid;grid-template-columns:1.02fr 1.05fr;gap:clamp(1.6rem,4vw,3.2rem);align-items:center}
@media(max-width:900px){.hero__grid{grid-template-columns:1fr;gap:2rem}}
.hero__tag{font-family:var(--mono);font-size:.82rem;letter-spacing:0;color:var(--amber);margin-bottom:1.1rem;overflow-x:auto;white-space:nowrap}
.hero__tag span{color:var(--ink-3);margin-right:.5rem}
.hero__title{font-size:clamp(2.2rem,1.3rem + 4vw,4rem);font-weight:800;letter-spacing:-0.045em;max-width:15ch;line-height:1.02}
.hero__lede{font-size:clamp(1.04rem,1rem + 0.5vw,1.24rem);color:var(--ink-2);max-width:56ch;margin-top:1.3rem;line-height:1.62}
.hero__stats{list-style:none;display:flex;flex-wrap:wrap;gap:1.4rem 2.6rem;margin:1.9rem 0 0;padding:0}
.hero__stats b{font-family:var(--mono);font-weight:800;font-size:clamp(1.5rem,1.3rem + 0.7vw,1.85rem);display:block;color:var(--amber);letter-spacing:-0.03em;line-height:1.1}
.hero__stats span{font-size:.83rem;color:var(--ink-2)}
.hero__note{font-size:.82rem;color:var(--ink-3);margin:1.8rem 0 0;max-width:60ch;line-height:1.6}

/* -------- signature: tabbed terminal (pure CSS radios) -------- */
.terminal{position:relative;margin:0;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.terminal__radio{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.terminal__bar{display:flex;align-items:center;gap:.9rem;padding:.55rem .9rem;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),oklch(0.19 0.013 256))}
.terminal__dots{display:inline-flex;gap:.42rem;flex:none}
.terminal__dots i{width:11px;height:11px;border-radius:50%;background:var(--line-2)}
.terminal__dots i:first-child{background:oklch(0.68 0.15 25)}
.terminal__dots i:nth-child(2){background:var(--amber)}
.terminal__dots i:nth-child(3){background:oklch(0.72 0.075 245)}
.terminal__tabs{display:flex;gap:.3rem;margin-inline:auto}
.terminal__tab{font-family:var(--mono);font-size:.78rem;font-weight:600;color:var(--ink-2);padding:.34rem .8rem;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:color .18s ease,background .18s ease,border-color .18s ease;user-select:none;white-space:nowrap}
.terminal__tab:hover{color:var(--ink);background:oklch(0.26 0.016 258 / .6)}
.terminal__host{font-family:var(--mono);font-size:.74rem;color:var(--ink-3);flex:none}
@media(max-width:420px){.terminal__host{display:none}}
.terminal__panes{position:relative}
.pane{display:none;margin:0;padding:1.15rem 1.2rem;overflow-x:auto}
.pane code{font-family:var(--mono);font-size:.8rem;line-height:1.85;color:var(--ink);white-space:pre;display:block}
.terminal__cap{font-family:var(--mono);font-size:.74rem;color:var(--ink-3);margin:0;padding:.7rem 1.1rem;border-top:1px solid var(--line);background:var(--bg-2);line-height:1.5}

/* token colors */
.pane .c{color:var(--ink-3)}
.pane .k{color:var(--amber);font-weight:700}
.pane .m{color:var(--link);font-weight:700}
.pane .s{color:var(--amber-hi)}
.pane .d{color:var(--ink-2)}
.pane .ok{color:var(--amber);font-weight:700}

/* active tab + pane switching */
#tab-fix:checked  ~ .terminal__panes .pane--fix{display:block}
#tab-http:checked ~ .terminal__panes .pane--http{display:block}
#tab-fix:checked  ~ .terminal__bar .terminal__tab[for="tab-fix"],
#tab-http:checked ~ .terminal__bar .terminal__tab[for="tab-http"]{
  color:var(--on-amber);background:var(--amber);border-color:var(--amber);
}
#tab-fix:focus-visible  ~ .terminal__bar .terminal__tab[for="tab-fix"],
#tab-http:focus-visible ~ .terminal__bar .terminal__tab[for="tab-http"]{
  outline:2px solid var(--amber-hi);outline-offset:2px;
}

/* -------- section shells -------- */
.section-h{font-size:clamp(1.55rem,1.15rem + 1.7vw,2.35rem);font-weight:700;letter-spacing:-0.035em;margin-bottom:.9rem}
.section-lede{font-size:clamp(1rem,0.97rem + 0.3vw,1.12rem);color:var(--ink-2);max-width:70ch;margin-bottom:1.9rem}

/* -------- capability endpoints -------- */
.caps{padding:clamp(2rem,5vw,4rem) 0;border-top:1px solid var(--line)}
.endpoints{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.endpoint{display:grid;grid-template-columns:auto minmax(11rem,15rem) 1fr;align-items:center;gap:1rem 1.4rem;padding:1rem 1.2rem;background:var(--surface);border:1px solid var(--line);border-radius:12px;transition:border-color .18s ease,transform .18s ease}
.endpoint:hover{border-color:var(--line-2);transform:translateX(3px)}
.endpoint__method{font-family:var(--mono);font-weight:700;font-size:.74rem;letter-spacing:.02em;padding:.28rem .6rem;border-radius:7px;text-align:center;border:1px solid var(--line-2);min-width:3.4rem;align-self:center}
.endpoint__method--fix{color:var(--sig-fix);border-color:oklch(0.71 0.13 72 / .5);background:oklch(0.80 0.13 80 / .1)}
.endpoint__method--get{color:var(--sig-get);border-color:oklch(0.76 0.075 245 / .5);background:oklch(0.76 0.075 245 / .1)}
.endpoint__method--post{color:var(--sig-post);border-color:oklch(0.78 0.10 300 / .5);background:oklch(0.78 0.10 300 / .1)}
.endpoint__path{font-family:var(--mono);font-size:.9rem;color:var(--ink);font-weight:500;word-break:break-word}
.endpoint__desc{margin:0;font-size:.92rem;color:var(--ink-2);line-height:1.55}
@media(max-width:720px){
  .endpoint{grid-template-columns:auto 1fr;gap:.55rem .9rem}
  .endpoint__desc{grid-column:1 / -1}
}
.caps__foot{font-size:.8rem;color:var(--ink-3);margin:1.1rem 0 0;max-width:66ch}

/* -------- ranking table -------- */
.ranking{padding:clamp(2rem,5vw,4rem) 0;border-top:1px solid var(--line)}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow)}
.board{width:100%;border-collapse:collapse;min-width:760px;font-size:.94rem}
.board thead th{text-align:left;font-family:var(--mono);font-weight:600;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2);padding:.9rem 1.1rem;border-bottom:1px solid var(--line);background:var(--bg-2)}
.board td{padding:.95rem 1.1rem;border-bottom:1px solid var(--line);vertical-align:middle}
.board tbody tr:last-child td{border-bottom:0}
.board tbody tr{transition:background .15s ease}
.board tbody tr:hover{background:oklch(0.26 0.016 258 / .4)}
.board .num{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--mono)}
.board__lead td{background:oklch(0.80 0.13 80 / .07)}
.board__lead:hover td{background:oklch(0.80 0.13 80 / .1)}
.board__lead .pos{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:8px;background:var(--amber);color:var(--on-amber);font-family:var(--mono);font-weight:800;font-size:.88rem}
.co{display:inline-flex;align-items:center;gap:.6rem;text-align:left;font-weight:600}
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;font-weight:500;color:var(--ink-2);padding:.16rem .42rem;border:1px solid var(--line-2);border-radius:6px;white-space:nowrap}
.tag--amber{color:var(--amber);border-color:oklch(0.71 0.13 72 / .55)}
.score{display:inline-block;min-width:2.7rem;text-align:center;font-family:var(--mono);font-weight:700;padding:.18rem .5rem;border-radius:8px;background:var(--bg-2);border:1px solid var(--line-2);color:var(--ink);font-variant-numeric:tabular-nums}
.score--lead{background:var(--amber);border-color:var(--amber);color:var(--on-amber)}
.board__foot{font-size:.8rem;color:var(--ink-3);margin-top:.9rem}

/* -------- monogram chips -------- */
.chip{display:inline-grid;place-items:center;width:30px;height:30px;flex:none;border-radius:8px;font-family:var(--mono);font-weight:700;font-size:.72rem;letter-spacing:0;background:var(--bg-2);border:1px solid var(--line-2);color:var(--ink)}
.chip--lg{width:44px;height:44px;font-size:.95rem;border-radius:11px}
.chip[data-co="ex"]{background:var(--amber);border-color:var(--amber);color:var(--on-amber)}
.chip[data-co="ib"]{color:oklch(0.78 0.09 245);border-color:oklch(0.78 0.09 245 / .5)}
.chip[data-co="al"]{color:oklch(0.80 0.10 190);border-color:oklch(0.80 0.10 190 / .5)}
.chip[data-co="ig"]{color:oklch(0.80 0.11 30);border-color:oklch(0.80 0.11 30 / .5)}
.chip[data-co="fx"]{color:oklch(0.80 0.10 300);border-color:oklch(0.80 0.10 300 / .5)}
.chip[data-co="pb"]{color:oklch(0.82 0.09 150);border-color:oklch(0.82 0.09 150 / .5)}

/* -------- reviews -------- */
.reviews{padding:clamp(2rem,5vw,4rem) 0;border-top:1px solid var(--line)}
.entry{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.3rem,3vw,2.1rem);margin-bottom:1.1rem;box-shadow:var(--shadow)}
.entry--lead{border-color:var(--amber-d);box-shadow:var(--glow),var(--shadow);background:linear-gradient(180deg,oklch(0.80 0.13 80 / .06),var(--surface) 30%)}
.entry__head{display:flex;align-items:center;gap:.9rem;margin-bottom:1rem;flex-wrap:wrap}
.entry__pos{font-family:var(--mono);font-weight:700;font-size:1rem;color:var(--ink-2);background:var(--bg-2);padding:.24rem .55rem;border-radius:8px;border:1px solid var(--line-2)}
.entry--lead .entry__pos{color:var(--amber);border-color:var(--amber-d)}
.entry__id{min-width:0}
.entry__head h3{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem);font-weight:700;letter-spacing:-0.03em}
.entry__for{color:var(--ink-2);font-family:var(--sans);font-weight:600;margin:.15rem 0 0;font-size:.95rem}
.entry__score{margin-left:auto;display:flex;align-items:baseline;gap:.28rem}
.entry__score small{color:var(--ink-3);font-family:var(--mono);font-size:.78rem}
.entry__verdict{max-width:78ch;color:var(--ink-2)}
.entry__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.4rem 2.2rem;margin:1.3rem 0}
.entry__grid h4{font-size:.82rem;font-family:var(--mono);font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.7rem}
ul.ticks,ul.crosses{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.ticks li,.crosses li{position:relative;padding-left:1.7rem;color:var(--ink-2);font-size:.93rem;line-height:1.5}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:1.05rem;height:1.05rem;border-radius:50%;background:var(--amber);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/1.05rem no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/1.05rem no-repeat}
.ticks.compact{grid-auto-flow:column;grid-template-columns:repeat(3,1fr);margin-top:.4rem}
@media(max-width:640px){.ticks.compact{grid-auto-flow:row;grid-template-columns:1fr}}
.crosses li::before{content:"!";position:absolute;left:.28rem;top:-.02em;color:var(--amber);font-family:var(--mono);font-weight:800}

.scorecard{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:.95rem 1.6rem;margin:1.5rem 0;padding:1.25rem;background:var(--surface-2);border:1px solid var(--line);border-radius:12px}
.metric{display:grid;grid-template-columns:1fr auto;gap:.2rem .7rem;align-items:center}
.metric span{font-size:.83rem;color:var(--ink-2);font-weight:600}
.metric b{font-family:var(--mono);font-weight:700;grid-column:2;grid-row:1 / span 2;align-self:center;font-size:1.02rem;color:var(--amber);font-variant-numeric:tabular-nums}
.metric i{grid-column:1;height:6px;border-radius:99px;background:oklch(0.30 0.02 258);position:relative;overflow:hidden}
.metric i::after{content:"";position:absolute;inset:0;width:var(--v);border-radius:99px;background:linear-gradient(90deg,var(--amber-d),var(--amber));transform-origin:left;animation:grow 1s cubic-bezier(.2,.85,.2,1) both}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.cta{display:inline-flex;align-items:center;gap:.35rem;margin-top:.5rem;background:var(--amber);color:var(--on-amber);text-decoration:none;font-family:var(--mono);font-weight:700;font-size:.92rem;padding:.8rem 1.4rem;border-radius:10px;transition:transform .2s cubic-bezier(.2,.8,.2,1),filter .2s ease}
.cta:hover{filter:brightness(1.07);transform:translateY(-2px);color:var(--on-amber)}

/* -------- methodology -------- */
.method{padding:clamp(2rem,5vw,4rem) 0;border-top:1px solid var(--line)}
.method__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(1.6rem,4vw,3.2rem);align-items:start}
.method__grid>div p{color:var(--ink-2);max-width:50ch}
.criteria{list-style:none;margin:0;padding:0;counter-reset:c;display:grid;gap:.7rem}
.criteria li{counter-increment:c;padding:1rem 1.15rem 1rem 3.4rem;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.criteria li::before{content:counter(c);position:absolute;left:1rem;top:1rem;width:1.7rem;height:1.7rem;display:grid;place-items:center;border-radius:8px;background:var(--bg-2);border:1px solid var(--line-2);color:var(--amber);font-family:var(--mono);font-weight:700;font-size:.85rem}
.criteria b{font-family:var(--sans);font-weight:700;font-size:1rem}
.criteria em{font-family:var(--mono);font-style:normal;color:var(--amber);font-weight:700;font-size:.82rem;margin-left:.5rem}
.criteria span{display:block;color:var(--ink-2);font-size:.9rem;margin-top:.2rem}
@media(max-width:760px){.method__grid{grid-template-columns:1fr}}

/* -------- faq -------- */
.faq{padding:clamp(2rem,5vw,4rem) 0;border-top:1px solid var(--line)}
.faq__list{display:grid;gap:.7rem;max-width:840px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s ease}
.faq details[open]{border-color:var(--line-2)}
.faq summary{cursor:pointer;padding:1.05rem 1.2rem;font-family:var(--mono);font-weight:600;font-size:.98rem;letter-spacing:-0.01em;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-weight:700;color:var(--amber);font-size:1.3rem;transition:transform .25s ease;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 1.2rem 1.2rem;color:var(--ink-2);max-width:74ch}

/* -------- footer -------- */
.foot{background:var(--surface-2);border-top:1px solid var(--line);padding:clamp(2.4rem,5vw,3.4rem) 0}
.foot__disc{font-size:.85rem;max-width:86ch;color:var(--ink-2);line-height:1.65}
.foot__disc strong{color:var(--ink)}
.foot__meta{display:flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:.78rem;color:var(--ink-3);margin:1.1rem 0 0}

/* -------- reduced motion -------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .metric i::after{animation:none}
  .endpoint:hover,.cta:hover{transform:none}
}