/* ============================================================
   VYOM — shared design system for the content pages
   Dark, enterprise, Geist + electric blue. Performance-first:
   static CSS, no heavy libs, one light reveal on scroll.
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0a;--bg2:#0e0e12;
  --blue:#2D50FF;--blue-soft:#6C8BFF;--violet:#8B5CF6;--coral:#FF6B4A;--cyan:#38E1D6;
  --emerald:#00C97A;--amber:#E0A03A;--red:#FF4D4D;
  --ink:#F4F4F7;--ink2:rgba(244,244,247,0.66);--ink3:rgba(244,244,247,0.5);
  --line:rgba(244,244,247,0.09);--line2:rgba(244,244,247,0.16);
  --panel:rgba(255,255,255,0.025);
  --mono:'Geist Mono',ui-monospace,monospace;--sans:'Geist',system-ui,sans-serif;
  --disp:'Bricolage Grotesque','Geist',system-ui,sans-serif;--serif:'Cormorant',Georgia,serif;
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;background:#0a0a0a}
body{background:#0a0a0a;color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.6;overflow-x:hidden;position:relative}
/* atmospheric color-life behind everything (fixed, subtle, slow drift) */
body::before{content:'';position:fixed;inset:-20%;z-index:-2;pointer-events:none;
  background:
   radial-gradient(38% 30% at 18% 12%,rgba(45,80,255,0.12),transparent 60%),
   radial-gradient(34% 30% at 84% 20%,rgba(139,92,246,0.09),transparent 60%),
   radial-gradient(38% 32% at 78% 88%,rgba(255,107,74,0.07),transparent 60%),
   radial-gradient(32% 30% at 22% 84%,rgba(56,225,214,0.06),transparent 60%);
  animation:drift 26s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(3%,-2%)}}
body::after{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:0.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
::selection{background:rgba(45,80,255,0.3)}
a{color:inherit;text-decoration:none}
@media(prefers-reduced-motion:reduce){body::before{animation:none}}

/* --- nav --- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:60px;display:flex;align-items:center;justify-content:space-between;
  padding:0 2.2rem;background:rgba(10,10,10,0.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-wm{font-family:var(--mono);font-size:0.82rem;letter-spacing:0.42em;color:var(--ink);font-weight:400}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-l{font-family:var(--mono);font-size:0.6rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink2);transition:color 0.18s;position:relative}
.nav-l:hover{color:var(--ink)}
.nav-l.active{color:var(--blue-soft)}
.nav-l.active::after{content:'';position:absolute;left:0;right:0;bottom:-20px;height:2px;background:var(--blue)}
.nav-cta{font-family:var(--mono);font-size:0.6rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--bg);background:var(--ink);padding:0.5rem 1rem;transition:background 0.18s,transform 0.25s}
.nav-cta:hover{background:#fff;transform:translateY(-1px)}
.nav-burger{display:none}

/* --- page shell --- */
.wrap{max-width:1180px;margin:0 auto;padding:0 2.2rem}
.page-hero{padding:10rem 0 5rem;border-bottom:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:0.58rem;letter-spacing:0.24em;text-transform:uppercase;color:var(--blue-soft);
  display:inline-flex;align-items:center;gap:0.6rem;margin-bottom:1.8rem}
.eyebrow::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}
.h1{font-family:var(--disp);font-weight:600;font-size:clamp(2.9rem,6.2vw,5.2rem);line-height:0.98;letter-spacing:-0.03em;max-width:15ch}
.h1 i{font-style:normal;color:var(--blue-soft)}
.hero-sub{font-size:clamp(1rem,1.6vw,1.12rem);color:var(--ink2);line-height:1.75;max-width:60ch;margin-top:2rem}

/* --- sections --- */
.sec{padding:5.5rem 0;border-bottom:1px solid var(--line);position:relative}
.sec:last-of-type{border-bottom:none}
.sec-tag{font-family:var(--mono);font-size:0.58rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--blue-soft);
  display:flex;align-items:center;gap:0.9rem;margin-bottom:1.5rem}
.sec-tag::after{content:'';flex:1;height:1px;background:var(--line);max-width:60px;opacity:0.6}
.h2{font-family:var(--disp);font-weight:500;font-size:clamp(1.9rem,3.8vw,3.1rem);line-height:1.04;letter-spacing:-0.02em;max-width:20ch}
.h2 i{font-style:normal;color:var(--blue-soft)}
/* auto-vary the accent per section so blue never repeats line after line */
.sec:nth-of-type(4n+2) .h2 i,.sec:nth-of-type(4n+2) .sec-tag{color:var(--coral)}
.sec:nth-of-type(4n+3) .h2 i,.sec:nth-of-type(4n+3) .sec-tag{color:var(--cyan)}
.sec:nth-of-type(4n+4) .h2 i,.sec:nth-of-type(4n+4) .sec-tag{color:var(--violet)}
.body{font-size:0.98rem;color:var(--ink2);line-height:1.8;max-width:64ch;margin-top:1.3rem}
.body p+p{margin-top:1rem}
.body strong{color:var(--ink);font-weight:400}
.two{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.lead{display:grid;grid-template-columns:0.85fr 1.15fr;gap:3.5rem;align-items:start}

/* --- generic card --- */
.card{background:var(--panel);border:1px solid var(--line)}
.card.hl{border-left:2px solid var(--blue)}
.card-h{padding:0.85rem 1.1rem;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:0.55rem;
  letter-spacing:0.14em;text-transform:uppercase;color:var(--ink2);display:flex;justify-content:space-between;align-items:center}
.card-b{padding:1.1rem;font-size:0.88rem;line-height:1.6;color:var(--ink2)}

/* --- grids of tiles --- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:2.5rem}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.tile{background:var(--bg);padding:1.8rem;transition:background 0.2s}
.tile:hover{background:var(--bg2)}
.tile-k{font-family:var(--mono);font-size:0.56rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--blue-soft);margin-bottom:0.9rem;display:flex;align-items:center;gap:0.5rem}
.tile-h{font-family:var(--disp);font-size:1.3rem;font-weight:500;line-height:1.15;margin-bottom:0.6rem;color:var(--ink);letter-spacing:-0.01em}
.tile-b{font-size:0.83rem;color:var(--ink2);line-height:1.7}

/* status dots */
.dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.dot.em{background:var(--emerald);box-shadow:0 0 7px var(--emerald)}
.dot.am{background:var(--amber);box-shadow:0 0 7px var(--amber)}
.dot.rd{background:var(--red);box-shadow:0 0 7px var(--red)}
.dot.bl{background:var(--blue);box-shadow:0 0 7px var(--blue)}

/* --- data table --- */
.tbl{width:100%;border:1px solid var(--line);border-collapse:collapse;margin-top:2.5rem;font-size:0.85rem}
.tbl th{font-family:var(--mono);font-size:0.54rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink3);
  text-align:left;padding:0.9rem 1.1rem;border-bottom:1px solid var(--line);background:rgba(255,255,255,0.02);font-weight:400}
.tbl td{padding:1rem 1.1rem;border-bottom:1px solid var(--line);color:var(--ink2);vertical-align:top;line-height:1.55}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:rgba(45,80,255,0.05)}
.tbl .mono{font-family:var(--mono);font-size:0.72rem;letter-spacing:0.04em;color:var(--blue-soft);white-space:nowrap}
.tbl .lat{font-family:var(--mono);font-size:0.7rem;color:var(--ink3);white-space:nowrap}

/* --- contrast rows (where vyom sits) --- */
.contrast{border:1px solid var(--line);margin-top:2.5rem}
.crow{display:grid;grid-template-columns:200px 1fr 1fr;border-bottom:1px solid var(--line)}
.crow:last-child{border-bottom:none}
.crow>div{padding:1.3rem 1.2rem}
.crow .cat{font-family:var(--mono);font-size:0.58rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink);border-right:1px solid var(--line);display:flex;align-items:center}
.crow .does{color:var(--ink2);font-size:0.86rem;border-right:1px solid var(--line);line-height:1.55}
.crow .stops{color:var(--ink3);font-size:0.86rem;line-height:1.55}
.crow.vyom .cat{color:var(--blue-soft)}
.crow.vyom{background:rgba(45,80,255,0.05)}
.crow.vyom .does{color:var(--ink)}

/* --- underneath-layer stack diagram --- */
.stackdiag{margin-top:2.5rem;max-width:640px}
.stackdiag-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stackdiag-tool{background:var(--bg);padding:1rem 0.8rem;text-align:center;font-family:var(--mono);font-size:0.6rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink3)}
.stackdiag-base{margin-top:1px;padding:1.05rem 0.8rem;text-align:center;font-family:var(--mono);font-size:0.62rem;letter-spacing:0.14em;text-transform:uppercase;color:#fff;background:var(--blue);width:114%;margin-left:-7%}

/* --- why-now vertical flow --- */
.whynow{margin-top:2.5rem;max-width:64ch;position:relative;padding-left:1.4rem}
.whynow::before{content:'';position:absolute;left:2px;top:0.4rem;bottom:0.4rem;width:1px;background:var(--line)}
.whynow-beat{position:relative;padding-bottom:2rem}
.whynow-beat:last-child{padding-bottom:0}
.whynow-k{font-family:var(--mono);font-size:0.6rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--blue-soft);display:flex;align-items:center;gap:0.6rem;margin-bottom:0.7rem}
.whynow-k .dot{margin-left:-1.7rem}
.whynow-b{font-size:0.98rem;color:var(--ink2);line-height:1.8}

/* --- one-stance column --- */
.stance{margin-top:2.2rem;max-width:70ch;border-left:2px solid var(--blue);padding-left:1.6rem}
.stance-row{padding-bottom:1.5rem}
.stance-row:last-child{padding-bottom:0}
.stance-k{font-family:var(--mono);font-size:0.62rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink);margin-bottom:0.5rem}
.stance-b{font-size:0.98rem;color:var(--ink2);line-height:1.75}

/* --- four-part action card --- */
.act{border:1px solid var(--line2);border-left:2px solid var(--blue);margin-top:2.5rem;max-width:680px}
.act-h{padding:0.9rem 1.2rem;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:0.56rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink2);display:flex;justify-content:space-between}
.act-row{display:grid;grid-template-columns:72px 1fr;gap:1rem;padding:1rem 1.2rem;border-bottom:1px solid var(--line)}
.act-row:last-child{border-bottom:none}
.act-k{font-family:var(--mono);font-size:0.56rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--blue-soft);padding-top:0.15rem}
.act-k.rd{color:var(--red)}
.act-v{font-size:0.9rem;color:var(--ink);line-height:1.55}
.act-v .chain{font-family:var(--mono);font-size:0.74rem;color:var(--blue-soft);letter-spacing:0.02em}

/* --- lanes / bands --- */
.lane{border:1px solid var(--line);border-left:2px solid var(--line2);padding:1.4rem 1.4rem;margin-top:1rem;background:var(--panel)}
.lane-k{font-family:var(--mono);font-size:0.56rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--blue-soft);margin-bottom:0.7rem}
.lane-b{font-size:0.88rem;color:var(--ink2);line-height:1.65}

/* --- tag row --- */
.tags{display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:1rem}
.tag{font-family:var(--mono);font-size:0.55rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--blue-soft);background:rgba(45,80,255,0.1);padding:0.32rem 0.6rem}
.tag.gh{color:var(--ink3);background:rgba(255,255,255,0.04)}

/* --- kv rows --- */
.kv{border:1px solid var(--line);margin-top:1.4rem}
.kv-r{display:flex;justify-content:space-between;gap:1rem;padding:0.85rem 1.1rem;border-bottom:1px solid var(--line);font-size:0.86rem}
.kv-r:last-child{border-bottom:none}
.kv-k{font-family:var(--mono);font-size:0.6rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--ink3)}
.kv-v{color:var(--ink);text-align:right}
.kv-v.em{color:var(--emerald)}.kv-v.am{color:var(--amber)}.kv-v.bl{color:var(--blue-soft)}

/* --- evidence stat tiles --- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:2.5rem}
.stat{background:var(--bg);padding:1.4rem}
.stat-v{font-family:var(--mono);font-size:0.78rem;color:var(--blue-soft);letter-spacing:0.02em;line-height:1.5;margin-bottom:0.4rem}
.stat-l{font-size:0.78rem;color:var(--ink3);line-height:1.5}

/* --- honest status band --- */
.status{border:1px solid rgba(224,160,58,0.28);background:rgba(224,160,58,0.04);padding:1.6rem 1.8rem;margin-top:2.5rem}
.status-h{font-family:var(--mono);font-size:0.56rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--amber);margin-bottom:1rem;display:flex;align-items:center;gap:0.6rem}
.status-b{font-size:0.9rem;color:var(--ink2);line-height:1.75;max-width:70ch}
.status-b strong{color:var(--ink);font-weight:400}

/* callout one-liner (deduped restatements point here) */
.callout{font-family:var(--mono);font-size:0.68rem;letter-spacing:0.02em;color:var(--ink3);margin-top:1.4rem;padding-left:0.9rem;border-left:2px solid var(--line2)}
.callout a{color:var(--blue-soft)}

/* --- CTA band --- */
.cta{padding:6rem 0;text-align:center}
.cta-h{font-family:var(--disp);font-weight:600;font-size:clamp(2.2rem,4.4vw,3.6rem);line-height:1;letter-spacing:-0.025em;max-width:18ch;margin:0 auto}
.cta-h i{font-style:normal;color:var(--blue-soft)}
.cta-b{font-size:0.95rem;color:var(--ink2);line-height:1.75;max-width:56ch;margin:1.4rem auto 2.2rem}
.cta-btn{display:inline-block;font-family:var(--mono);font-size:0.62rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--bg);background:var(--ink);padding:0.9rem 2rem;transition:background 0.2s,transform 0.25s}
.cta-btn:hover{background:var(--blue-soft);color:#fff;transform:translateY(-1px);box-shadow:0 0 28px rgba(45,80,255,0.35)}

/* --- footer --- */
.footer{border-top:1px solid var(--line);padding:3rem 0}
.footer-in{display:flex;justify-content:space-between;align-items:flex-start;gap:2rem;flex-wrap:wrap}
.footer-wm{font-family:var(--mono);font-size:0.82rem;letter-spacing:0.42em;color:var(--ink);margin-bottom:0.8rem}
.footer-tag{font-size:0.82rem;color:var(--ink3);max-width:34ch;line-height:1.6}
.footer-cols{display:flex;gap:3.5rem;flex-wrap:wrap}
.footer-col-h{font-family:var(--mono);font-size:0.54rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--ink3);margin-bottom:1rem}
.footer-col a{display:block;font-size:0.82rem;color:var(--ink2);margin-bottom:0.5rem;transition:color 0.18s}
.footer-col a:hover{color:var(--ink)}
.footer-fine{font-family:var(--mono);font-size:0.56rem;letter-spacing:0.06em;color:var(--ink3);margin-top:2.5rem}

/* --- reveal on scroll --- */
.rv{opacity:0;transform:translateY(14px);transition:opacity 0.6s ease,transform 0.6s ease}
.rv.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* --- responsive --- */
@media(max-width:860px){
  .nav{padding:0 1.2rem}
  .nav-links{position:fixed;top:60px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(10,10,10,0.98);border-bottom:1px solid var(--line);padding:0.5rem 1.2rem 1rem;
    transform:translateY(-140%);transition:transform 0.3s;pointer-events:none}
  .nav-links.open{transform:none;pointer-events:auto}
  .nav-l{padding:0.7rem 0}
  .nav-l.active::after{display:none}
  .nav-burger{display:flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}
  .nav-burger span{width:20px;height:1.5px;background:var(--ink);transition:0.2s}
  .wrap{padding:0 1.2rem}
  .page-hero{padding:8rem 0 3.5rem}
  .two,.lead{grid-template-columns:1fr;gap:2rem}
  .grid.c3,.grid.c2,.stats{grid-template-columns:1fr}
  .crow{grid-template-columns:1fr}
  .crow .cat,.crow .does{border-right:none;border-bottom:1px solid var(--line)}
  .tbl,.tbl thead,.tbl tbody,.tbl th,.tbl td,.tbl tr{display:block}
  .tbl thead{display:none}
  .tbl td{border-bottom:none;padding:0.4rem 1.1rem}
  .tbl tr{border-bottom:1px solid var(--line);padding:0.6rem 0}
  .footer-in{flex-direction:column}
  .stackdiag-base{width:100%;margin-left:0}
}

/* keyboard accessibility: visible focus for keyboard users only (not mouse) */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--blue-soft);outline-offset:3px;border-radius:2px}
:focus:not(:focus-visible){outline:none}