/* ============================================================================
   SPHERRA · shared design system  (site-wide stylesheet)
   Canonical tokens from pillar 01 §6.0 + pillar 02 §2 (LOCKED).
   Palette law: the *break* (depeg-red) and the *save* (quarantine-cyan) are
   distinct colors and must never be swapped. Type: Space Grotesk (display) /
   Inter (body + LP risk copy) / JetBrains Mono (receipts).
   Every page links this file, then adds only page-specific rules.
   ============================================================================ */

:root{
  /* ---- surfaces ---- */
  --void:#0B0E14; --void-2:#0F131A; --panel:#141A22; --panel-2:#182029;
  --line:rgba(150,172,208,.14); --line-2:rgba(150,172,208,.24); --line-3:rgba(150,172,208,.34);
  /* ---- ink ---- */
  --ink:#EAF0F8; --muted:#94A0B4; --faint:#5E6A7A;
  /* ---- brand ---- */
  --proof:#6EA8FE; --proof-2:#9AC4FF; --proof-deep:#2E6BD6;   /* proof-blue = primary accent */
  --proven:#3FB950;                                            /* proven-green = verified/pass */
  --depeg:#F85149;                                             /* depeg-red = the THREAT */
  --quarantine:#7EE8E0;                                        /* quarantine-cyan = the SAVE */
  --glow:rgba(110,168,254,.20);
  /* ---- type ---- */
  --font-display:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  /* ---- layout ---- */
  --maxw:1240px; --pad:clamp(20px,4vw,48px); --radius:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }
html,body{margin:0}
body{
  background:var(--void);color:var(--ink);font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden;
  background-image:radial-gradient(1100px 620px at 82% -6%,var(--glow),transparent 60%);
  background-attachment:fixed;
}
a{color:var(--proof);text-decoration:none;transition:color .12s ease}
a:hover{color:var(--proof-2)}
:focus-visible{outline:2px solid var(--proof);outline-offset:3px;border-radius:8px}
img,canvas,svg{max-width:100%}
hr{border:0;border-top:1px solid var(--line);margin:0}

/* ---- typography ---- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
h1{font-size:clamp(38px,6vw,66px);margin:0 0 14px}
h2{font-size:clamp(27px,3.6vw,42px);margin:0 0 14px}
h3{font-size:clamp(19px,2.1vw,24px);margin:0 0 10px}
p{margin:0 0 16px}
.mono{font-family:var(--font-mono)}
.accent{color:var(--proof)}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--proof);margin:0 0 18px}
.lead{color:var(--muted);font-size:clamp(16px,1.9vw,19px);max-width:44ch;text-wrap:pretty}
.dim{color:var(--muted)} .faint{color:var(--faint)}
.center{text-align:center} .center .lead{margin-inline:auto}

/* ---- shell / sections ---- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.wrap-narrow{max-width:820px;margin:0 auto;padding-inline:var(--pad)}
section{padding:clamp(56px,9vw,112px) 0}
.rule-top{border-top:1px solid var(--line)}

/* ---- top nav ---- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(11,14,20,.72);border-bottom:1px solid var(--line)}
.nav .row{max-width:var(--maxw);margin:0 auto;padding:14px var(--pad);display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:11px}
.mark{width:22px;height:22px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 34% 30%,var(--proof-2),var(--proof-deep) 66%,transparent 72%);
  box-shadow:0 0 0 1px var(--line-2),0 0 18px var(--glow)}
.word{font-family:var(--font-display);font-weight:700;letter-spacing:.18em;font-size:15px;color:var(--ink)}
.nav .links{display:flex;gap:20px;margin-left:8px}
.nav .links a{font-size:14px;color:var(--muted)}
.nav .links a:hover,.nav .links a.on{color:var(--ink)}
.nav .right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:8px;color:var(--ink);padding:7px 10px;cursor:pointer}
@media (max-width:820px){
  .nav .links{display:none} .nav .links.open{display:flex;position:absolute;top:56px;left:0;right:0;
    flex-direction:column;background:var(--void-2);border-bottom:1px solid var(--line);padding:14px var(--pad);gap:14px}
  .nav-toggle{display:inline-flex}
}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:600;font-size:15px;
  border-radius:12px;padding:13px 20px;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .12s ease,filter .12s ease,border-color .12s ease,background .12s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{color:#08111F;background:linear-gradient(180deg,var(--proof-2),var(--proof));border:0;
  box-shadow:0 10px 28px -12px var(--glow)}
.btn-primary:hover{filter:brightness(1.06);color:#08111F}
.btn-ghost{color:var(--ink);background:transparent;border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--line-3);color:var(--ink);background:var(--panel)}
.btn-sm{padding:9px 14px;font-size:13.5px}

/* ---- chips / trust strip ---- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);border:1px solid var(--line);
  background:var(--panel);border-radius:8px;padding:7px 11px;display:inline-flex;gap:7px;align-items:center}
.chip b{color:var(--ink);font-weight:500}
.chip .g{color:var(--proven)}
.chip.warn{border-color:rgba(248,81,73,.3)} .chip.warn .d{color:var(--depeg)}
.tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.tag.live{color:var(--proven);border-color:rgba(63,185,80,.4)}
.tag.soon{color:var(--faint)}

/* ---- cards ---- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--panel),var(--void-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:6px}
.card .k{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--proof);margin:0 0 12px}
.card .benefit{color:var(--ink);font-weight:500;margin:0 0 4px}
.card .proof{color:var(--muted);font-size:14.5px;margin:0}
.card a.deep{font-family:var(--font-mono);font-size:12.5px;display:inline-block;margin-top:14px}

/* proof tile (numbers-forward) */
.tile{background:var(--void-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.tile .n{font-family:var(--font-mono);font-weight:500;font-size:clamp(24px,3vw,32px);color:var(--proof);line-height:1;margin:0 0 10px}
.tile .t{font-weight:600;margin:0 0 6px}
.tile .d{color:var(--muted);font-size:14px;margin:0}
.tile .not{color:var(--faint);font-size:12.5px;font-style:italic;margin:10px 0 0;border-top:1px solid var(--line);padding-top:10px}

/* ---- receipts / terminal ---- */
.receipt{font-family:var(--font-mono);font-size:13px;background:#080B10;border:1px solid var(--line);
  border-radius:12px;padding:16px 18px;color:var(--muted);overflow-x:auto;line-height:1.7}
.receipt .ok{color:var(--proven)} .receipt .b{color:var(--proof-2)} .receipt .c{color:var(--faint)}
.receipt .prompt::before{content:"$ ";color:var(--proof)}
.copyline{display:flex;align-items:center;gap:10px;background:#080B10;border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;margin:0 0 10px;overflow-x:auto}
.copyline code{font-family:var(--font-mono);font-size:12.5px;color:var(--ink);white-space:nowrap}
.copyline button{margin-left:auto;flex:none;background:var(--panel);border:1px solid var(--line-2);color:var(--muted);
  border-radius:7px;padding:5px 9px;font-family:var(--font-mono);font-size:11px;cursor:pointer}
.copyline button:hover{color:var(--ink);border-color:var(--line-3)}

/* ---- risk / disclosure callouts ---- */
.risk{border:1px solid rgba(248,81,73,.34);background:rgba(248,81,73,.06);border-radius:12px;padding:16px 18px}
.risk b{color:#FF8A82}
.note{border:1px solid var(--line-2);background:var(--panel);border-radius:12px;padding:16px 18px;color:var(--muted)}
.microrisk{font-size:12.5px;color:var(--faint)}
.microrisk a{color:var(--muted)}

/* ---- matrix table ---- */
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table.matrix{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
table.matrix th,table.matrix td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
table.matrix th{font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--faint);text-transform:uppercase;font-weight:500}
table.matrix tr:last-child td{border-bottom:0}
.yes{color:var(--proven)} .no{color:var(--depeg)} .partial{color:var(--proof)}

/* ---- FAQ ---- */
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-family:var(--font-display);font-weight:600;font-size:17px;
  display:flex;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--proof);font-family:var(--font-mono);font-size:20px;line-height:1;flex:none;width:16px}
.faq details[open] summary::before{content:"–"}
.faq details p{color:var(--muted);margin:0 0 16px;max-width:64ch}

/* ---- footer ---- */
.foot{border-top:1px solid var(--line);padding:44px 0 40px;margin-top:20px}
.foot .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
@media (max-width:760px){.foot .cols{grid-template-columns:1fr 1fr}}
.foot h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);font-weight:500;margin:0 0 14px}
.foot a{display:block;color:var(--muted);font-size:14px;margin:0 0 9px}
.foot a:hover{color:var(--ink)}
.foot .risk-line{grid-column:1/-1;border-top:1px solid var(--line);margin-top:26px;padding-top:20px;
  font-family:var(--font-mono);font-size:12px;color:var(--faint);display:flex;flex-wrap:wrap;gap:16px}
.foot .risk-line .sep{margin-left:auto}

/* ---- utilities ---- */
.stack>*+*{margin-top:14px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.divider-dot{color:var(--faint);margin:0 8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}