/* ============================================================
   Nyx Foundry — canonical site stylesheet
   One source of truth for design tokens, chrome, shared
   components, and the responsive system across the marketing
   site. Page-unique components (interactive demos, phone frame,
   product cards) stay in each page's local <style> block.

   Per-page knobs (set in the page's local <style>):
     :root{ --wrap: 1140px; }   (content max-width)
   ============================================================ */

/* ---- design tokens ---- */
:root{
  --ink:#14151A; --panel:#1D1F26; --panel2:#282B34;
  --line:rgba(255,255,255,0.13); --line2:rgba(255,255,255,0.22);
  --paper:#ECECE6; --muted:#B4B4AC; --faint:#93938A;
  --accent:#C67A45; --ok:#6FA98C;
  --okdim:rgba(111,169,140,0.14); --amberdim:rgba(198,122,69,0.15);
  --serif:'Newsreader',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,monospace;
  --wrap:1100px;        /* per-page override */
  --wrap-pad:32px;      /* desktop gutter */
  --wrap-pad-m:18px;    /* mobile gutter */
}

/* ---- reset + base ---- */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--wrap-pad);padding-right:var(--wrap-pad);}

/* ---- header / nav chrome ---- */
header{border-bottom:0.5px solid var(--line);position:sticky;top:0;background:rgba(20,21,26,0.82);backdrop-filter:blur(10px);z-index:20;}
.bar{display:flex;align-items:center;justify-content:space-between;padding-top:20px;padding-bottom:20px;}
.brand{display:flex;align-items:center;font-family:var(--mono);font-size:13px;letter-spacing:0.18em;text-transform:uppercase;}
.brand .bo{width:.9em;height:1.4em;position:relative;top:-0.08em;}
.brand .back{color:var(--faint);margin-left:.6em;}
nav.top{display:flex;gap:26px;font-family:var(--mono);font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted);}
nav.top a:hover{color:var(--paper);}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:0.1em;text-transform:uppercase;padding:14px 22px;border-radius:3px;transition:.15s;border:0.5px solid var(--line2);}
.btn.solid{background:var(--accent);color:#1a0f07;border-color:transparent;}
.btn.solid:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn.ghost{color:var(--paper);}
.btn.ghost:hover{background:var(--panel2);}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px;}

/* ---- section rhythm ---- */
section{padding:72px 0;border-top:0.5px solid var(--line);}
.sechead{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:26px;gap:16px;}
.sechead .l{font-family:var(--mono);font-size:12px;letter-spacing:0.18em;text-transform:uppercase;}
.sechead .r{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted);text-align:right;}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:0.16em;text-transform:uppercase;color:var(--accent);}

/* ---- prose / editorial ---- */
.prose{font-family:var(--serif);font-size:19px;line-height:1.55;color:var(--paper);max-width:66ch;}
.prose.dim{color:var(--muted);}
.prose + .prose{margin-top:18px;}
.pull{font-family:var(--serif);font-style:italic;font-size:clamp(19px,2.4vw,24px);line-height:1.45;color:var(--paper);max-width:56ch;margin:26px 0 10px;padding-left:22px;border-left:2px solid var(--accent);}
.pullsrc{font-family:var(--mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint);margin-bottom:18px;padding-left:24px;}
.lead-line{font-family:var(--serif);font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:500;max-width:26ch;}

/* ---- steps grid ---- */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.step{padding:28px 26px;border-top:0.5px solid var(--line);border-left:0.5px solid var(--line);}
.step:nth-child(2n+1){border-left:none;}
.sk{font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent);}
.step h3{font-family:var(--serif);font-weight:500;font-size:22px;line-height:1.15;margin:12px 0 10px;}
.step p{font-size:14px;color:var(--muted);line-height:1.6;}

/* ---- catch grid ---- */
.catchlist{display:grid;grid-template-columns:1fr 1fr;border:0.5px solid var(--line);border-radius:8px;overflow:hidden;}
.catch{padding:24px 26px;border-top:0.5px solid var(--line);border-left:0.5px solid var(--line);}
.catch:nth-child(2n+1){border-left:none;}
.catch:nth-child(-n+2){border-top:none;}
.chd{font-family:var(--serif);font-size:18px;color:var(--paper);margin-bottom:8px;}
.catch p{font-size:14px;color:var(--muted);line-height:1.6;margin:0 0 10px;}
.ctag{font-family:var(--mono);font-size:11.5px;letter-spacing:0.02em;color:var(--faint);}

/* ---- stats strip ---- */
.stats{display:flex;flex-wrap:wrap;gap:0;border:0.5px solid var(--line);border-radius:8px;margin:22px 0;}
.stat{flex:1;min-width:150px;padding:20px 22px;border-left:0.5px solid var(--line);}
.stat:first-child{border-left:none;}
.stat .n{font-family:var(--serif);font-size:30px;font-weight:500;}
.stat .k{font-family:var(--mono);font-size:11.5px;letter-spacing:0.03em;color:var(--muted);margin-top:4px;line-height:1.4;}

/* ---- commitments grid ---- */
.commits{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.cm{padding:24px 26px;border-top:0.5px solid var(--line);border-left:0.5px solid var(--line);}
.cm:nth-child(2n+1){border-left:none;}
.ct{display:flex;align-items:baseline;gap:9px;font-family:var(--mono);font-size:11.5px;letter-spacing:0.05em;text-transform:uppercase;color:var(--paper);}
.ct::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);flex:none;}
.cm p{font-size:14px;color:var(--muted);line-height:1.6;margin-top:9px;}

/* ---- operator block ---- */
.op{max-width:70ch;}
.opbig{font-family:var(--serif);font-weight:500;font-size:clamp(22px,3vw,29px);line-height:1.3;}
.opsub{font-size:15px;color:var(--muted);line-height:1.65;margin:18px 0 26px;max-width:60ch;}
.opsub b{color:var(--paper);font-weight:500;}
.fineprint{font-size:12.5px;color:var(--faint);line-height:1.55;margin-top:26px;max-width:70ch;}

/* ---- shared demo helpers ---- */
.demo-note{font-family:var(--mono);font-size:12px;max-width:70ch;letter-spacing:0.03em;color:var(--faint);margin-top:20px;line-height:1.5;}
.demo-note a{color:var(--accent);}
.demo-note a:hover{text-decoration:underline;}
.replay{float:right;color:var(--accent);cursor:pointer;letter-spacing:0.08em;}
.replay:hover{text-decoration:underline;}

/* ---- footer ---- */
footer{padding:40px 0 60px;border-top:0.5px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;justify-content:space-between;color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;}
footer a:hover{color:var(--paper);}
footer .sep{color:var(--faint);}

/* ============================================================
   Responsive system — one consistent set of breakpoints
     920px  wide multi-pane demos stack   (page-local opt-in)
     720px  mobile: nav collapses, gutters + section padding
            shrink, all shared 2-col grids fold to 1 col
     480px  small phones: stat strip + footer stack
   ============================================================ */
@media(max-width:720px){
  /* horizontal-only so a .wrap that is also .bar / footer keeps its vertical padding */
  .wrap{padding-left:var(--wrap-pad-m);padding-right:var(--wrap-pad-m);}
  section{padding:52px 0;}
  nav.top{gap:18px;}
  nav.top a:not(.cta){display:none;}
  .cta-row{margin-top:28px;}
  .btn{padding:13px 18px;}
  /* stack the section label over its caption so neither wraps mid-phrase
     ("LIVE DEMO" no longer breaks to two lines, caption reads as a subhead) */
  .sechead{flex-direction:column;align-items:flex-start;gap:5px;margin-bottom:22px;}
  .sechead .l{white-space:nowrap;}
  .sechead .r{text-align:left;}

  .steps{grid-template-columns:1fr;}
  .step{border-left:none;padding:24px 0 6px;}
  .catchlist{grid-template-columns:1fr;}
  .catch{border-left:none;}
  .catch:nth-child(2){border-top:0.5px solid var(--line);}
  .commits{grid-template-columns:1fr;}
  .cm{border-left:none;}
}

/* wide demo tables (.btab) reflow to labeled rows on phones so no column
   is cut off — needs data-label="…" on each <td>. Only pages with a .btab
   (index, horkos) are affected. Selectors carry the .btab-wrap prefix so
   they outrank each page's local `.btab td` base rule (which loads after
   this sheet and would otherwise win the specificity tie). */
@media(max-width:560px){
  .btab-wrap .btab,.btab-wrap .btab tbody,.btab-wrap .btab tr,.btab-wrap .btab td{display:block;width:100%;}
  .btab-wrap .btab thead{display:none;}
  .btab-wrap .btab tr{border-top:0.5px solid var(--line);padding:10px 0 8px;}
  .btab-wrap .btab tr:first-child{border-top:none;}
  .btab-wrap .btab td{border-top:none;padding:3px 1px;white-space:normal;display:flex;justify-content:space-between;align-items:baseline;gap:14px;text-align:right;}
  .btab-wrap .btab td::before{content:attr(data-label);color:var(--faint);font-family:var(--mono);font-size:10px;letter-spacing:0.06em;text-transform:uppercase;text-align:left;flex:none;}
  .btab-wrap .btab td:first-child{color:var(--paper);font-weight:500;margin-bottom:2px;}
}

@media(max-width:480px){
  section{padding:44px 0;}
  .stats{flex-direction:column;}
  .stat{border-left:none;border-top:0.5px solid var(--line);}
  .stat:first-child{border-top:none;}
  footer{gap:10px 16px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}