/* ───────────────────────────── tokens ───────────────────────────── */
:root{
  --night:#0d1120;
  --night-2:#141a2e;
  --night-3:#1b2340;
  --line:rgba(234,238,249,.10);
  --line-strong:rgba(234,238,249,.20);
  --moon:#eaeef9;
  --haze:#8e97b8;
  --haze-dim:#6b7497;
  --ember:#ff7a45;

  /* code-churn pair, validated for CVD against the card surface */
  --add:#dd6f2b;
  --del:#5590d8;

  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --gut:clamp(20px,5vw,80px);
  --max:1180px;
  --k:.06;                 /* moon phase, 0 new -> 1 full; set by main.js */
  color-scheme:dark;
}

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

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--night);
  color:var(--moon);
  font:400 16px/1.65 var(--body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* faint moonlight wash from the top right, brightening as the moon waxes */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(60vw 55vh at 82% -6%,
    rgba(160,178,235,calc(.16 * var(--k) + .04)) 0%,
    rgba(13,17,32,0) 62%);
}

main,.bar,.foot{position:relative;z-index:1}

a{color:inherit}

::selection{background:var(--ember);color:#1a0d06}

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

.skip{
  position:absolute;left:-999px;top:0;
  background:var(--ember);color:#1a0d06;
  padding:10px 16px;font:500 14px var(--mono);z-index:99;
}
.skip:focus{left:8px;top:8px}

/* ───────────────────────────── top bar ───────────────────────────── */
.bar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
  padding:14px var(--gut);
  background:rgba(13,17,32,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}

.mark{
  font:600 17px var(--display);
  letter-spacing:-.02em;text-decoration:none;
}
.mark-dot{color:var(--ember)}

.bar-nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px)}
.bar-nav a{
  font:400 13px var(--mono);
  color:var(--haze);text-decoration:none;
  letter-spacing:.01em;
  transition:color .18s ease;
}
.bar-nav a:hover{color:var(--moon)}
.bar-out{color:var(--moon) !important}
.bar-out:hover{color:var(--ember) !important}

@media (max-width:560px){
  .bar-nav a:not(.bar-out){display:none}
}

/* ───────────────────────────── hero ───────────────────────────── */
.hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) clamp(200px,26vw,320px);
  align-items:center;
  gap:clamp(24px,5vw,70px);
  padding:clamp(56px,11vh,130px) var(--gut) clamp(60px,12vh,140px);
  max-width:var(--max);
  margin-inline:auto;
}

.eyebrow{
  margin:0 0 22px;
  font:500 12px var(--mono);
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--haze-dim);
}
.sep{color:var(--ember);padding:0 .35em}

h1{
  margin:0;
  font-family:var(--display);
  font-variation-settings:"wdth" 88;
  font-weight:600;
  font-size:clamp(2.5rem,7.4vw,5.25rem);
  line-height:1.02;
  letter-spacing:-.035em;
}
h1 .dim{color:var(--haze)}
h1 .dot{color:var(--ember)}

.lede{
  margin:26px 0 0;
  max-width:46ch;
  font-size:clamp(1rem,1.35vw,1.1rem);
  color:var(--haze);
}

.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

.btn{
  display:inline-block;
  padding:11px 20px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font:500 14px var(--body);
  text-decoration:none;
  transition:border-color .18s ease,background .18s ease,color .18s ease;
}
.btn:hover{border-color:var(--moon);background:rgba(234,238,249,.05)}
.btn-primary{
  background:var(--ember);border-color:var(--ember);color:#1a0d06;
}
.btn-primary:hover{background:#ff8e60;border-color:#ff8e60;color:#1a0d06}

/* the signature: a moon that waxes with scroll */
.moon-wrap{margin:0;display:flex;flex-direction:column;align-items:center;gap:16px}
.moon{
  width:100%;height:auto;display:block;
  filter:drop-shadow(0 0 calc(28px * var(--k)) rgba(180,196,255,calc(.42 * var(--k))));
}
#terminator{transition:rx .12s linear}
.moon-cap{
  font:400 11px var(--mono);
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--haze-dim);
  white-space:nowrap;
}

@media (max-width:760px){
  .hero{grid-template-columns:1fr}
  .moon-wrap{order:-1;align-items:flex-start;width:min(150px,38vw)}
}

/* ───────────────────────────── bands ───────────────────────────── */
.band{
  max-width:var(--max);
  margin-inline:auto;
  padding:clamp(48px,8vh,84px) var(--gut);
  border-top:1px solid var(--line);
}
.band-last{padding-bottom:clamp(56px,10vh,110px)}

.head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  margin-bottom:clamp(26px,4vh,44px);
}
.head h2{
  margin:0;
  font-family:var(--display);
  font-variation-settings:"wdth" 90;
  font-weight:600;
  font-size:clamp(1.55rem,3.4vw,2.35rem);
  letter-spacing:-.03em;
}
.count{
  margin:0;
  font:400 12px var(--mono);
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--haze-dim);
}

/* ───────────────────────── feature card ───────────────────────── */
.feature{
  position:relative;
  padding:clamp(24px,3.6vw,42px);
  margin-bottom:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:
    linear-gradient(180deg,rgba(255,122,69,.05),rgba(255,122,69,0) 46%),
    var(--night-2);
  overflow:hidden;
}
.feature::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--ember),rgba(255,122,69,0));
}
.feature .eyebrow{margin-bottom:14px;color:var(--ember)}

.feature-title{
  margin:0;
  font-family:var(--display);
  font-variation-settings:"wdth" 90;
  font-weight:600;
  font-size:clamp(1.5rem,3.6vw,2.4rem);
  letter-spacing:-.03em;
  line-height:1.1;
}
.feature-title a{text-decoration:none;transition:color .18s ease}
.feature-title a:hover{color:var(--ember)}

.feature-desc{
  margin:16px 0 0;
  max-width:64ch;
  color:var(--haze);
  font-size:1.03rem;
}

.cmd{
  display:flex;align-items:stretch;gap:0;
  margin-top:26px;
  border:1px solid var(--line-strong);
  border-radius:10px;
  background:rgba(8,11,22,.72);
  overflow:hidden;
}
.cmd code{
  flex:1;min-width:0;
  padding:13px 15px;
  font:400 12.5px/1.5 var(--mono);
  color:var(--moon);
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:thin;
}
.copy{
  flex:none;
  padding:0 18px;
  border:0;border-left:1px solid var(--line-strong);
  background:transparent;
  color:var(--haze);
  font:500 12px var(--mono);
  letter-spacing:.08em;text-transform:uppercase;
  cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.copy:hover{color:var(--moon);background:rgba(234,238,249,.06)}
.copy[data-done="1"]{color:var(--ember)}

/* ───────────────────────────── grid ───────────────────────────── */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(270px,1fr));
  gap:18px;
}
@media (min-width:900px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .card-wide{grid-column:span 2}
}

.card{
  position:relative;
  display:flex;flex-direction:column;
  padding:24px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--night-2);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.card:hover{
  border-color:var(--line-strong);
  background:var(--night-3);
  transform:translateY(-2px);
}
.card:has(.stretch:focus-visible){border-color:var(--ember)}

.card-head{margin-bottom:12px}
.card-owner{
  margin:0 0 1px;
  font:400 11px var(--mono);
  letter-spacing:.04em;
  color:var(--haze-dim);
}
.card-owner .sl{color:var(--ember);padding-left:.15em}
.card-head h3{
  margin:0 0 8px;
  font-family:var(--display);
  font-variation-settings:"wdth" 92;
  font-weight:600;
  font-size:1.22rem;
  letter-spacing:-.02em;
  line-height:1.2;
  word-break:break-word;
}
.card-head h3 a{text-decoration:none}

/* whole-card hit target for the simple cards */
.stretch::after{content:"";position:absolute;inset:0;border-radius:16px}
.card:hover .card-head h3 a{color:var(--ember)}

.card p{margin:0;color:var(--haze);font-size:.94rem}
.card .inl{
  font:400 .86em var(--mono);
  color:var(--moon);
  background:rgba(234,238,249,.07);
  padding:1px 5px;border-radius:4px;
}

.runs{
  display:inline-block;
  font:400 11px var(--mono);
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--ember);
  opacity:.85;
}

/* card / feature footer metadata */
.meta{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:8px 16px;
  margin-top:auto;padding-top:18px;
}
.meta>*{
  font:400 11.5px var(--mono);
  letter-spacing:.06em;
  color:var(--haze-dim);
}
.meta .runs{color:var(--ember)}
.lang{display:inline-flex;align-items:center;gap:7px}
.lang i{
  width:8px;height:8px;border-radius:50%;
  background:var(--c,var(--haze));
  flex:none;
}
.stars b{color:var(--moon);font-weight:500}

/* ───────────────────────── upstream ───────────────────────── */
.band-intro{
  margin:-14px 0 28px;
  max-width:62ch;
  color:var(--haze);
  font-size:1.02rem;
}

.up-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.up-grid{grid-template-columns:1fr}}

.up{
  display:flex;flex-direction:column;
  padding:clamp(22px,2.6vw,30px);
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--night-2);
  text-decoration:none;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.up:hover{
  border-color:var(--line-strong);
  background:var(--night-3);
  transform:translateY(-2px);
}

.up-owner{
  margin:0;
  font:400 12px var(--mono);
  letter-spacing:.04em;
  color:var(--haze-dim);
}
.up-owner .sl{color:var(--ember);padding-left:.15em}

.up-name{
  margin:2px 0 0;
  font-family:var(--display);
  font-variation-settings:"wdth" 90;
  font-weight:600;
  font-size:clamp(1.35rem,2.6vw,1.75rem);
  letter-spacing:-.025em;
  line-height:1.15;
  word-break:break-word;
  transition:color .2s ease;
}
.up:hover .up-name{color:var(--ember)}

.up-desc{margin:12px 0 auto;padding-bottom:22px;color:var(--haze);font-size:.95rem}

/* the numbers are the point of this section, so give them room */
.stats{
  display:flex;flex-wrap:wrap;gap:16px 34px;
  margin:0;padding-top:20px;
  border-top:1px solid var(--line);
}
.stat{display:flex;flex-direction:column-reverse;gap:4px}
.stat dt{
  font:400 11px var(--mono);
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--haze-dim);
}
.stat dd{
  margin:0;
  display:flex;align-items:center;gap:8px;
}
.stat b{
  font-family:var(--display);
  font-variation-settings:"wdth" 92;
  font-weight:600;
  font-size:clamp(1.5rem,2.9vw,1.95rem);
  line-height:1;
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
}
.stat b.since{font-size:clamp(1.05rem,1.9vw,1.25rem);color:var(--haze)}
.star{
  width:17px;height:17px;flex:none;
  fill:var(--ember);
}

/* a smaller contribution gets a row, not a card */
.also{
  display:grid;
  grid-template-columns:minmax(170px,1fr) minmax(0,2fr) auto;
  align-items:center;gap:14px 28px;
  margin-top:18px;padding:18px 22px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--night-2);
  text-decoration:none;
  transition:border-color .2s ease,background .2s ease;
}
.also:hover{border-color:var(--line-strong);background:var(--night-3)}

.also-id{min-width:0}
.also-name{
  margin:1px 0 0;
  font-family:var(--display);
  font-variation-settings:"wdth" 92;
  font-weight:600;
  font-size:1.15rem;
  letter-spacing:-.02em;
  line-height:1.15;
  transition:color .2s ease;
}
.also:hover .also-name{color:var(--ember)}
.also-desc{margin:0;color:var(--haze);font-size:.92rem}

.also-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px;
  margin:0;
  font:400 11.5px var(--mono);
  letter-spacing:.04em;
  color:var(--haze-dim);
  white-space:nowrap;
}
.also-stats span{display:inline-flex;align-items:center;gap:6px}
.also-stats b{color:var(--moon);font-weight:500;font-size:13px}
.also-stats .star{width:12px;height:12px}
.also-churn i{width:8px;height:8px;border-radius:2px;flex:none}
.also-churn .d-add{background:var(--add)}
.also-churn .d-del{background:var(--del);margin-left:8px}

@media (max-width:860px){
  .also{grid-template-columns:1fr;gap:10px}
}

/* code churn: one split bar, both halves directly labelled so the
   colours never carry the meaning on their own */
.churn{margin-top:20px}
.churn-bar{
  display:flex;gap:2px;          /* 2px surface gap between fills */
  height:8px;
}
.seg{display:block;height:100%;border-radius:4px}
.seg-add{background:var(--add)}
.seg-del{background:var(--del)}

.churn-key{
  display:flex;flex-wrap:wrap;gap:6px 18px;
  margin:10px 0 0;
  font:400 11.5px var(--mono);
  letter-spacing:.04em;
  color:var(--haze);
}
.key{display:inline-flex;align-items:center;gap:7px}
.key i{width:8px;height:8px;border-radius:2px;flex:none}
.key-add i{background:var(--add)}
.key-del i{background:var(--del)}

/* ───────────────────────────── toolbox ───────────────────────────── */
.toolbox{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:clamp(24px,5vw,56px);
  align-items:start;
}
@media (max-width:760px){.toolbox{grid-template-columns:1fr}}

.tb-note p{margin:0 0 16px;max-width:58ch;font-size:1.02rem}
.tb-note a{color:var(--moon);text-decoration:underline;text-decoration-color:var(--ember);text-underline-offset:3px}
.tb-note a:hover{color:var(--ember)}
.tb-quiet{color:var(--haze)}

.chips{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:8px;
}
.chips li{
  padding:7px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  font:400 12px var(--mono);
  color:var(--haze);
  letter-spacing:.02em;
}

/* ───────────────────────────── footer ───────────────────────────── */
.foot{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:14px;
  max-width:var(--max);margin-inline:auto;
  padding:26px var(--gut) 44px;
  border-top:1px solid var(--line);
}
.foot-mark{margin:0;font:600 15px var(--display);letter-spacing:-.02em}
.foot-links{display:flex;gap:18px}
.foot-links a{font:400 13px var(--mono);color:var(--haze);text-decoration:none}
.foot-links a:hover{color:var(--ember)}
.foot-note{margin:0;font:400 12px var(--mono);color:var(--haze-dim)}

/* ───────────────────────── motion ───────────────────────── */
.js .r1,.js .r2,.js .r3,.js .r4{
  opacity:0;transform:translateY(14px);
  animation:rise .72s cubic-bezier(.2,.7,.25,1) both;
}
.js .r1{animation-delay:.05s}
.js .r2{animation-delay:.14s}
.js .r3{animation-delay:.26s}
.js .r4{animation-delay:.38s}
@keyframes rise{to{opacity:1;transform:none}}

.js .reveal{opacity:0;transform:translateY(10px)}
.js .reveal.in{
  opacity:1;transform:none;
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.25,1);
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .js .r1,.js .r2,.js .r3,.js .r4,.js .reveal{opacity:1;transform:none;animation:none}
  .card:hover,.up:hover{transform:none}
}