/* ============ ByteLeaper — dusk on the ridge ============ */
:root{
  --ink:#0B1620;
  --ink-2:#101E29;
  --ink-3:#152634;
  --line:#22394A;
  --line-soft:#192B39;
  --text:#E9F1F5;
  --muted:#93AAB9;
  --dim:#637C8C;
  --sun:#F5A64B;
  --sun-hi:#FFC978;
  --glacier:#7FD1C1;

  --display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --body:"Manrope","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;

  --pad:clamp(20px,5vw,72px);
  --maxw:1240px;
  color-scheme:dark;
}

*{box-sizing:border-box}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.04;letter-spacing:-.025em;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}

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

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}

.mono{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}

/* ---------- altitude rail ---------- */
.rail{
  position:fixed;left:22px;top:0;bottom:0;width:64px;z-index:40;
  display:none;pointer-events:none;
  flex-direction:column;justify-content:center;align-items:flex-start;gap:0;
}
@media(min-width:1180px){.rail{display:flex}}
.rail-line{position:absolute;left:9px;top:18%;bottom:18%;width:1px;background:linear-gradient(to bottom,transparent,var(--line),transparent)}
.rail-ticks{position:absolute;left:5px;top:18%;bottom:18%;display:flex;flex-direction:column;justify-content:space-between}
.rail-ticks i{display:block;width:9px;height:1px;background:var(--line)}
.rail-dot{position:absolute;left:5px;width:9px;height:9px;border-radius:50%;background:var(--sun);
  box-shadow:0 0 0 4px rgba(245,166,75,.14);transition:top .18s linear;top:82%}
.rail-read{position:absolute;left:24px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  color:var(--sun);white-space:nowrap;transition:top .18s linear;top:calc(82% - 6px);
  font-variant-numeric:tabular-nums}

/* ---------- nav ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,22,32,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-in{display:flex;align-items:center;gap:28px;height:100px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;
  font-size:19px;letter-spacing:-.03em}
.logo svg{display:block}
.nav-links{display:none;gap:26px;margin-left:auto;align-items:center}
@media(min-width:860px){.nav-links{display:flex}}
.nav-links a{font-size:14px;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--text)}
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:4px;
  font-family:var(--body);font-weight:600;font-size:14px;
  padding:11px 18px;border:1px solid transparent;cursor:pointer;transition:.16s;
}
.btn-sun{background:var(--sun);color:#12202B}
.btn-sun:hover{background:var(--sun-hi)}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--dim);background:rgba(255,255,255,.03)}
.nav .btn{margin-left:auto;padding:9px 16px}
@media(min-width:860px){.nav .btn{margin-left:0}}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(40px,6vw,72px);overflow:hidden}
.hero-copy{max-width:660px;position:relative;z-index:2}
.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.eyebrow .pip{width:6px;height:6px;border-radius:50%;background:var(--sun);flex:none}
h1{font-size:clamp(38px,6.4vw,74px);margin-bottom:22px}
h1 em{font-style:normal;color:var(--sun)}
.lede{font-size:clamp(16px,1.6vw,18.5px);color:var(--muted);max-width:56ch;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 26px;padding-top:20px;border-top:1px solid var(--line-soft)}
.hero-facts span{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}
.hero-facts b{color:var(--text);font-weight:500}

/* ---------- scene ---------- */
.scene-shell{position:relative;margin-top:clamp(26px,4vw,44px)}
#scene{display:block;width:100%;height:auto}
.scene-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-soft);padding:14px 0 0;margin-top:-6px;
}
.beats{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.beat{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);padding:5px 10px;border:1px solid var(--line-soft);border-radius:3px;transition:.25s}
.beat[data-on="1"]{color:var(--sun);border-color:rgba(245,166,75,.4);background:rgba(245,166,75,.07)}
#caption{font-family:var(--display);font-size:15px;font-weight:500;color:var(--text);letter-spacing:-.01em}
.replay{background:none;border:1px solid var(--line);color:var(--muted);border-radius:3px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  padding:6px 12px;cursor:pointer;transition:.16s}
.replay:hover{color:var(--text);border-color:var(--dim)}

/* svg text */
.pk-name{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;fill:#A6BDCB}
.pk-alt{font-family:var(--mono);font-size:9px;letter-spacing:.08em;fill:#5D7686}
.pk-summit .pk-name{fill:var(--sun-hi)}
.pk-summit .pk-alt{fill:var(--sun)}
.alt-lab{font-family:var(--mono);font-size:9px;letter-spacing:.1em;fill:#3F586A}
.web-word{font-family:var(--mono);font-size:11px;letter-spacing:.3em;fill:var(--sun-hi)}
@media(max-width:680px){.pk-alt,.alt-lab{display:none}.pk-name{font-size:13px}}

/* ---------- sections ---------- */
section{padding-block:clamp(64px,9vw,118px)}
.sec-head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(34px,4vw,54px);max-width:620px}
.sec-head h2{font-size:clamp(28px,3.9vw,44px)}
.sec-head p{color:var(--muted);max-width:52ch}
.rule{border:0;border-top:1px solid var(--line-soft);margin:0}

/* capabilities — ascending ridge of cards */
.caps{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:700px){.caps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1060px){
  .caps{grid-template-columns:repeat(3,1fr);gap:16px}
  .cap:nth-child(1){transform:translateY(46px)}
  .cap:nth-child(2){transform:translateY(23px)}
  .cap:nth-child(4){transform:translateY(46px)}
  .cap:nth-child(5){transform:translateY(23px)}
}
.cap{
  background:var(--ink-2);border:1px solid var(--line-soft);border-radius:5px;
  padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;
  transition:border-color .2s,background .2s;
}
.cap:hover{border-color:var(--line);background:var(--ink-3)}
.cap-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.cap h3{font-size:19px;letter-spacing:-.02em}
.cap .alt{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--sun);
  font-variant-numeric:tabular-nums;white-space:nowrap}
.cap p{font-size:14.5px;color:var(--muted);line-height:1.62}
.cap ul{margin:6px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.cap li{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim);border:1px solid var(--line-soft);border-radius:2px;padding:3px 7px}

/* work */
.work-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:720px){.work-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1080px){.work-grid{grid-template-columns:repeat(3,1fr)}}
.proj{
  border:1px solid var(--line-soft);border-radius:5px;overflow:hidden;
  background:var(--ink-2);display:flex;flex-direction:column;transition:border-color .2s,transform .25s;
}
.proj:hover{border-color:var(--line);transform:translateY(-3px)}
.proj-art{background:linear-gradient(160deg,#132330,#0D1A24);border-bottom:1px solid var(--line-soft);
  padding:0;line-height:0}
.proj-art svg{width:100%;height:auto;display:block}
.proj-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.proj-top{display:flex;align-items:center;gap:9px}
.proj-top h3{font-size:17.5px}
.status{display:inline-flex;align-items:center;gap:5px;margin-left:auto;font-family:var(--mono);
  font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);white-space:nowrap}
.status i{width:5px;height:5px;border-radius:50%;background:var(--glacier);display:block}
.status.wip i{background:var(--sun)}
.proj p{font-size:14px;color:var(--muted);line-height:1.6}
.stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:12px}
.stack span{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim)}
.stack span+span::before{content:"·";margin-right:6px;color:var(--line)}

/* process */
.steps{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:660px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1060px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{border-top:2px solid var(--line);padding-top:18px;display:flex;flex-direction:column;gap:10px}
.step:nth-child(1){border-top-color:#2C4557}
.step:nth-child(2){border-top-color:#4A5A5C}
.step:nth-child(3){border-top-color:#9A7A4E}
.step:nth-child(4){border-top-color:var(--sun)}
.step-lab{display:flex;align-items:center;gap:10px}
.ascent{display:flex;align-items:flex-end;gap:2px;height:11px}
.ascent i{width:3px;background:var(--line);display:block}
.ascent i:nth-child(1){height:3px}.ascent i:nth-child(2){height:6px}
.ascent i:nth-child(3){height:8.5px}.ascent i:nth-child(4){height:11px}
.ascent i.on{background:var(--sun)}
.step h3{font-size:18px}
.step p{font-size:14.5px;color:var(--muted)}

/* cta */
.cta{border:1px solid var(--line-soft);border-radius:6px;background:
  radial-gradient(600px 220px at 82% 12%,rgba(245,166,75,.13),transparent 68%),var(--ink-2);
  padding:clamp(30px,5vw,56px);display:flex;flex-wrap:wrap;gap:28px;align-items:center;
  justify-content:space-between}
.cta h2{font-size:clamp(26px,3.4vw,38px);max-width:16ch}
.cta p{color:var(--muted);margin-top:12px;max-width:42ch;font-size:15px}
.cta-actions{display:flex;flex-direction:column;gap:10px}
.cta-actions .btn{justify-content:center}

/* footer */
footer{border-top:1px solid var(--line-soft);padding-block:34px 44px}
.foot{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;justify-content:space-between}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{font-size:13.5px;color:var(--muted)}
.foot-links a:hover{color:var(--text)}

.note{border-left:2px solid var(--line);padding-left:14px;color:var(--dim);font-size:13px;
  max-width:60ch;margin-top:34px;line-height:1.6}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .cap{transform:none!important}
}

/* ---------- brand lockup ---------- */
/* the supplied PNG is square with wide transparent margins; the box crops to
   the artwork itself (x 3.8%-96.5%, y 12.0%-89.8%) without touching the file */
.brand{display:inline-block;line-height:0;flex:none}
.brand-box{--h:76px;--s:calc(var(--h) / 0.778);
  display:block;height:var(--h);width:calc(var(--h) * 1.192);
  background-image:url("../img/logo.png");
  background-repeat:no-repeat;
  background-size:var(--s) var(--s);
  background-position:calc(var(--s) * -0.038) calc(var(--s) * -0.1196)}
.foot .brand-box{--h:92px}
@media(max-width:640px){.brand-box{--h:54px}.foot .brand-box{--h:66px}
  .nav-in{height:78px}}