/* Atlas Studio — shared site styles.
   Visual language carried over from the existing Atlas landing draft
   (docs/earn-online/atlas-landing.html): Fraunces / IBM Plex Sans / IBM Plex Mono,
   calm dark theme, single cyan accent. Used across the marketing home and the
   legal pages so the whole surface reads as one product. */

:root{
  color-scheme: dark;
  --bg:#08090D;
  --bg-elev:#0E1017;
  --bg-panel:#12151E;
  --line:rgba(180,200,230,0.10);
  --line-strong:rgba(180,200,230,0.18);
  --ink:#EAEEF5;
  --ink-dim:#9AA4B6;
  --ink-faint:#67708A;
  --accent:#3AD6EC;
  --accent-deep:#1E9CB8;
  --glow:rgba(58,214,236,0.55);
  --warn:#F4C77B;
  --sans:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1120px;
  --docw:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.mono{font-family:var(--mono)}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.22em;color:var(--accent);
}
.skip{position:absolute;left:-9999px;top:auto}
.skip:focus{left:16px;top:12px;z-index:60;background:var(--accent);color:#04131a;
  padding:8px 14px;border-radius:8px;font-family:var(--mono);font-size:.8rem}

/* ---- nav ---- */
nav{
  position:sticky;top:0;z-index:20;
  background:rgba(8,9,13,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:18px;
  max-width:var(--maxw);margin:0 auto;padding:15px clamp(20px,5vw,48px)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);
  font-weight:600;font-size:1.2rem;letter-spacing:.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .dot{width:11px;height:11px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 32% 30%,#bff4fb,var(--accent) 45%,var(--accent-deep) 100%);
  box-shadow:0 0 14px 2px var(--glow)}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2.4vw,28px)}
.nav-links a{font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;color:var(--ink-dim)}
.nav-links a:hover{color:var(--accent);text-decoration:none}
@media (max-width:640px){ .nav-links a.hide-sm{display:none} }

/* ---- hero ---- */
header.hero{position:relative;overflow:hidden;padding:clamp(66px,12vw,138px) 0 clamp(48px,8vw,92px)}
.orb{position:absolute;top:-8%;left:50%;transform:translateX(-50%);
  width:min(760px,120vw);height:min(760px,120vw);pointer-events:none;
  background:radial-gradient(circle,var(--glow) 0%,rgba(58,214,236,.10) 34%,transparent 62%);
  filter:blur(6px);opacity:.85;animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.68;transform:translateX(-50%) scale(1)}
  50%{opacity:.95;transform:translateX(-50%) scale(1.05)}}
.hero-in{position:relative;z-index:1;max-width:880px}
.hero-in h1{font-family:var(--serif);font-weight:500;
  font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.04;letter-spacing:-.02em;
  text-wrap:balance;margin:.45em 0 .18em}
.hero-in .lede{font-size:clamp(1.05rem,1.9vw,1.3rem);color:var(--ink-dim);
  max-width:62ch;margin:0 0 2em}
.hero-in .lede b{color:var(--ink);font-weight:500}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{font-family:var(--mono);font-size:.9rem;letter-spacing:.01em;text-decoration:none;
  padding:13px 22px;border-radius:9px;font-weight:500;cursor:pointer;border:1px solid transparent;
  display:inline-flex;align-items:center;gap:9px;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#04131a}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 34px -8px var(--glow)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---- section frame ---- */
section{padding:clamp(52px,8vw,100px) 0;border-top:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:clamp(30px,5vw,54px)}
.sec-head h2{font-family:var(--serif);font-weight:500;
  font-size:clamp(1.75rem,3.6vw,2.6rem);line-height:1.1;letter-spacing:-.015em;
  text-wrap:balance;margin:.5em 0 .35em}
.sec-head p{color:var(--ink-dim);max-width:58ch;margin:0}

/* ---- workflow pipeline ---- */
.pipe{display:flex;flex-wrap:wrap;align-items:stretch;gap:12px}
.pipe .step{flex:1 1 150px;min-width:140px;background:var(--bg-panel);
  border:1px solid var(--line);border-radius:12px;padding:20px 18px}
.pipe .step .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent)}
.pipe .step h3{font-family:var(--serif);font-weight:500;font-size:1.2rem;margin:.5em 0 .3em}
.pipe .step p{color:var(--ink-dim);font-size:.92rem;margin:0}
.pipe .arrow{display:flex;align-items:center;color:var(--ink-faint);font-family:var(--mono);
  font-size:1.1rem}
@media (max-width:760px){ .pipe .arrow{display:none} .pipe .step{flex-basis:100%} }

/* ---- value strip ---- */
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,48px)}
.strip .col .idx{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase}
.strip .col h3{font-family:var(--serif);font-weight:500;font-size:1.22rem;margin:.4em 0 .35em}
.strip .col p{color:var(--ink-dim);font-size:.97rem;margin:0}
@media (max-width:760px){ .strip{grid-template-columns:1fr;gap:30px} }

/* ---- governance list ---- */
.gov{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(30px,5vw,60px)}
.gov .item{display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:22px 0;border-top:1px solid var(--line)}
.gov .item:nth-child(1),.gov .item:nth-child(2){border-top:none}
.gov .item .n{font-family:var(--mono);font-size:.78rem;color:var(--accent);padding-top:3px;
  font-variant-numeric:tabular-nums}
.gov .item h3{font-size:1.04rem;font-weight:600;margin:0 0 .3em}
.gov .item p{color:var(--ink-dim);font-size:.95rem;margin:0}
@media (max-width:760px){ .gov{grid-template-columns:1fr} .gov .item:nth-child(2){border-top:1px solid var(--line)} }

/* ---- receipt motif ---- */
.receipt{max-width:520px;margin:34px 0 0;text-align:left;
  background:var(--bg-panel);border:1px solid var(--line-strong);border-radius:12px;
  font-family:var(--mono);font-size:.82rem;overflow:hidden}
.receipt .r-top{padding:12px 18px;border-bottom:1px dashed var(--line-strong);
  color:var(--ink-faint);letter-spacing:.08em;text-transform:uppercase;font-size:.68rem}
.receipt .r-row{display:flex;justify-content:space-between;gap:16px;padding:11px 18px;color:var(--ink-dim)}
.receipt .r-row span:last-child{color:var(--ink)}
.receipt .r-hold{padding:14px 18px;border-top:1px dashed var(--line-strong);
  display:flex;align-items:center;gap:10px;color:var(--accent);letter-spacing:.03em}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 10px 1px var(--glow);animation:blink 1.8s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---- legal / document pages ---- */
.doc{padding:clamp(46px,7vw,88px) 0 clamp(30px,5vw,64px)}
.doc .doc-in{max-width:var(--docw);margin:0 auto}
.doc h1{font-family:var(--serif);font-weight:500;font-size:clamp(2rem,4.4vw,3rem);
  line-height:1.08;letter-spacing:-.02em;margin:.35em 0 .25em}
.doc .meta{font-family:var(--mono);font-size:.78rem;color:var(--ink-faint);
  letter-spacing:.04em;margin-bottom:2.2em}
.doc h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.35rem,2.6vw,1.7rem);
  letter-spacing:-.01em;margin:2em 0 .5em;padding-top:.6em;border-top:1px solid var(--line)}
.doc h3{font-size:1.02rem;font-weight:600;margin:1.5em 0 .35em;color:var(--ink)}
.doc p,.doc li{color:var(--ink-dim);font-size:1rem}
.doc p{margin:.7em 0}
.doc ul{margin:.6em 0 1em;padding-left:1.25em}
.doc li{margin:.35em 0}
.doc strong{color:var(--ink);font-weight:600}
.doc .lead{color:var(--ink);font-size:1.06rem}
.toc{background:var(--bg-panel);border:1px solid var(--line);border-radius:12px;
  padding:20px 22px;margin:1.4em 0 2.2em}
.toc .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-faint)}
.toc ol{margin:.7em 0 0;padding-left:1.3em;columns:2;column-gap:28px}
.toc li{margin:.2em 0;font-size:.92rem}
@media (max-width:640px){ .toc ol{columns:1} }

/* callouts */
.callout{border:1px solid var(--line-strong);border-left:3px solid var(--accent);
  background:var(--bg-elev);border-radius:10px;padding:16px 18px;margin:1.4em 0}
.callout p{margin:.2em 0;color:var(--ink)}
.callout .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);display:block;margin-bottom:.4em}
.todo{border-left-color:var(--warn)}
.todo .k{color:var(--warn)}
.todo code{font-family:var(--mono);font-size:.85em;color:var(--warn)}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);padding:38px 0 54px;color:var(--ink-faint)}
.foot-in{display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:space-between;align-items:baseline}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);
  font-size:1.02rem;color:var(--ink)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 20px;font-family:var(--mono);font-size:.82rem}
.foot-links a{color:var(--ink-dim)}
.foot-links a:hover{color:var(--accent);text-decoration:none}
.foot-note{font-size:.8rem;color:var(--ink-faint);margin-top:16px;max-width:64ch}

@media (prefers-reduced-motion:reduce){
  .orb,.pulse{animation:none}
  html{scroll-behavior:auto}
}