assets/style.css

/* ============================================================================
 * SZL SDA — sovereign domain-superiority surface (anomaly + track fusion)
 * Deep-space dark · teal/cyan/violet glow · glassmorphism · SYSTEM FONTS ONLY
 * 0 runtime CDN. Mobile system per estate_audit/design_leaders_mobile.md.
 * Shared SZL token set with energy/khipu/mechanics spaces.
 * ==========================================================================*/
:root{
  --bg:#04181B; --bg2:#031013;
  --teal:#01696F; --teal-bright:#28E0D0; --cyan:#3DD6FF;
  --violet:#7C5CFF; --violet-bright:#9D8BFF;
  --ink:#EAF7F6; --ink-dim:#9FC2C1; --ink-faint:#6E8C8B;
  --good:#43E0A0; --warn:#FFB454; --bad:#FF6B7A;
  --glass:rgba(8,40,44,0.46); --glass-2:rgba(8,40,44,0.30);
  --glass-brd:rgba(40,224,208,0.18);
  --shadow:0 8px 40px rgba(0,0,0,0.45);

  /* System-font stacks — sovereign-safe, no embed */
  --font:Calibri,"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";
  --mono:ui-monospace,"SFMono-Regular","SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  /* Fluid type — rem-based clamp, 12px caption / 16px body floors */
  --fs-caption:clamp(0.75rem,0.72rem + 0.13vw,0.8125rem); /* 12->13 */
  --fs-body:clamp(1rem,0.96rem + 0.18vw,1.125rem);        /* 16->18 */
  --fs-lead:clamp(1.0625rem,1.0rem + 0.30vw,1.3125rem);   /* 17->21 */
  --fs-h3:clamp(1.125rem,1.02rem + 0.5vw,1.5rem);         /* 18->24 */
  --fs-h2:clamp(1.5rem,1.2rem + 1.3vw,2.4rem);            /* 24->38 */
  --fs-h1:clamp(2rem,1.4rem + 2.6vw,3.6rem);              /* 32->58 */

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px;
  --radius-sm:6px; --radius-md:10px; --radius-lg:16px;

  --touch-min:44px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);

  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --dur-fast:120ms; --dur-base:200ms; --dur-slow:320ms;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font); color:var(--ink); font-size:var(--fs-body);
  background:radial-gradient(1200px 800px at 72% -12%, #0a2d31 0%, var(--bg) 46%, var(--bg2) 100%);
  background-attachment:fixed;
  min-height:100vh; overflow-x:hidden; line-height:1.55;
  -webkit-font-smoothing:antialiased;
  padding-top:var(--safe-t);
}
.tabular{font-variant-numeric:tabular-nums}
code,.mono{font-family:var(--mono)}
code{overflow-wrap:anywhere;word-break:break-word}
p{overflow-wrap:break-word}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}

#sda-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
#vignette{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(1000px 720px at 50% 28%, transparent 34%, rgba(3,16,19,0.82) 100%)}
main,.topbar{position:relative;z-index:2}

/* ---- topbar ---- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px clamp(16px,4vw,48px);backdrop-filter:blur(6px)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{width:40px;height:40px;flex-shrink:0;filter:drop-shadow(0 0 8px rgba(40,224,208,0.5))}
.brand-text{display:flex;flex-direction:column;line-height:1.05;min-width:0}
.brand-line1{font-size:var(--fs-caption);letter-spacing:.30em;color:var(--ink-dim);font-weight:600}
.brand-line2{font-size:clamp(1.05rem,3vw,1.3rem);letter-spacing:.20em;font-weight:700;
  background:linear-gradient(90deg,var(--teal-bright),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.conn-badge{display:inline-flex;align-items:center;gap:7px;min-height:32px;
  padding:6px 13px;border-radius:999px;font-size:var(--fs-caption);font-weight:600;
  letter-spacing:.08em;border:1px solid var(--glass-brd);background:var(--glass);color:var(--good)}
.conn-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--good);
  box-shadow:0 0 10px var(--good);animation:pulse 1.8s infinite;flex-shrink:0}
.conn-badge.snapshot{color:var(--warn);border-color:rgba(255,180,84,.4)}
.conn-badge.snapshot .dot{background:var(--warn);box-shadow:0 0 10px var(--warn);animation:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---- layout ---- */
main{padding:0 clamp(16px,4vw,48px) 72px;max-width:1180px;margin:0 auto}
section{scroll-margin-top:20px}

/* ---- hero ---- */
.hero{text-align:center;padding:clamp(20px,5vw,44px) 0 18px;max-width:940px;margin-inline:auto}
.eyebrow{font-size:var(--fs-caption);letter-spacing:.30em;color:var(--violet-bright);
  font-weight:600;margin-bottom:14px;text-transform:uppercase}
.headline{font-size:var(--fs-h1);font-weight:700;line-height:1.08;letter-spacing:-.015em;
  background:linear-gradient(120deg,var(--teal-bright) 8%,var(--cyan) 52%,var(--violet-bright) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(40,224,208,0.20))}
.hero-sub{font-size:var(--fs-lead);color:var(--ink);margin-top:18px;max-width:780px;margin-inline:auto}
.hero-sub strong{color:var(--teal-bright)}
.hero-tagline{font-size:var(--fs-body);color:var(--ink-dim);margin-top:14px;max-width:740px;margin-inline:auto}

/* ---- badge strip ---- */
.badge-strip{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;
  padding:16px;margin:22px 0 30px;
  background:var(--glass);border:1px solid var(--glass-brd);border-radius:14px;
  backdrop-filter:blur(10px);box-shadow:var(--shadow)}
.tag{display:inline-flex;align-items:center;font-size:var(--fs-caption);font-weight:600;
  padding:4px 11px;border-radius:6px;letter-spacing:.03em;border:1px solid transparent}
.tag-proven{background:rgba(67,224,160,.14);color:var(--good);border-color:rgba(67,224,160,.4)}
.tag-conj{background:rgba(61,214,255,.12);color:var(--cyan);border-color:rgba(61,214,255,.38)}
.tag-exp{background:rgba(124,92,255,.14);color:var(--violet-bright);border-color:rgba(124,92,255,.4)}
.tag-warn,.tag-est{background:rgba(255,180,84,.13);color:var(--warn);border-color:rgba(255,180,84,.4)}
.tag-off{background:rgba(255,107,122,.12);color:var(--bad);border-color:rgba(255,107,122,.38)}
.tag-demo{background:rgba(255,180,84,.16);color:var(--warn);border-color:rgba(255,180,84,.5)}

/* ---- section scaffolding ---- */
.sec{margin:0 0 clamp(34px,6vw,58px)}
.sec-eyebrow{font-size:var(--fs-caption);letter-spacing:.26em;color:var(--violet-bright);
  font-weight:600;text-transform:uppercase;margin-bottom:8px;text-align:center}
.sec-title{font-size:var(--fs-h2);font-weight:700;color:var(--ink);text-align:center;
  line-height:1.18;letter-spacing:-.01em;margin-bottom:10px}
.sec-lead{font-size:var(--fs-body);color:var(--ink-dim);text-align:center;
  max-width:740px;margin:0 auto 26px;line-height:1.6}
.sec-lead strong{color:var(--ink)}

/* ---- cards ---- */
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(248px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:var(--glass);border:1px solid var(--glass-brd);border-radius:16px;
  padding:clamp(16px,3vw,22px);backdrop-filter:blur(14px);box-shadow:var(--shadow);
  display:flex;flex-direction:column;min-width:0}
.card h3{font-size:var(--fs-h3);color:var(--ink);font-weight:700;margin-bottom:8px;line-height:1.25}
.card .step{font-size:var(--fs-caption);letter-spacing:.18em;color:var(--teal-bright);
  font-weight:700;margin-bottom:10px;text-transform:uppercase}
.card p{font-size:var(--fs-body);color:var(--ink-dim);line-height:1.58}
.card p strong{color:var(--ink)}
.card p + p{margin-top:10px}
.card .roadmap-pill{display:inline-flex;align-items:center;align-self:flex-start;gap:6px;
  margin-top:12px;font-size:12px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:5px;
  background:rgba(255,180,84,.13);color:var(--warn);border:1px solid rgba(255,180,84,.4)}
.card .live-pill{display:inline-flex;align-items:center;align-self:flex-start;gap:6px;
  margin-top:12px;font-size:12px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:5px;
  background:rgba(67,224,160,.12);color:var(--good);border:1px solid rgba(67,224,160,.4)}

/* ---- pipeline flow chips ---- */
.flow{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 0 26px}
.flow .chip{display:inline-flex;align-items:center;gap:9px;min-height:40px;
  padding:9px 15px;border-radius:999px;background:var(--glass);
  border:1px solid var(--glass-brd);backdrop-filter:blur(8px);
  font-size:var(--fs-body);font-weight:600;color:var(--ink)}
.flow .chip .cdot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.flow .chip.detect .cdot{background:var(--cyan);box-shadow:0 0 9px var(--cyan)}
.flow .chip.fuse .cdot{background:var(--teal-bright);box-shadow:0 0 9px var(--teal-bright)}
.flow .chip.verdict .cdot{background:var(--violet-bright);box-shadow:0 0 9px var(--violet-bright)}
.flow .chip.receipt .cdot{background:var(--good);box-shadow:0 0 9px var(--good)}
.flow .arrow{align-self:center;color:var(--ink-faint);font-size:var(--fs-body)}

/* ---- citation / attribution line ---- */
.cite{margin:8px auto 0;max-width:860px;padding:14px 18px;
  background:var(--glass-2);border:1px solid var(--glass-brd);border-left:3px solid var(--violet);
  border-radius:10px;font-size:var(--fs-caption);color:var(--ink-dim);line-height:1.6}
.cite strong{color:var(--ink-dim)}
.cite a{color:var(--cyan);text-decoration:none;border-bottom:1px dotted rgba(61,214,255,.5)}
.cite a:hover,.cite a:focus-visible{color:var(--teal-bright);border-bottom-color:var(--teal-bright)}

/* ---- visual panel ---- */
.visual-wrap{background:var(--glass);border:1px solid var(--glass-brd);border-radius:16px;
  padding:clamp(14px,3vw,24px);backdrop-filter:blur(12px);box-shadow:var(--shadow)}
.visual-head{display:flex;align-items:center;justify-content:space-between;gap:10px;
  flex-wrap:wrap;margin-bottom:14px}
.visual-head h3{font-size:var(--fs-caption);letter-spacing:.14em;color:var(--ink-dim);
  font-weight:700;text-transform:uppercase}
.src-badge{font-size:12px;font-weight:700;letter-spacing:.08em;padding:4px 9px;border-radius:5px;
  white-space:nowrap;flex-shrink:0;border:1px solid rgba(255,180,84,.45);
  background:rgba(255,180,84,.14);color:var(--warn)}
.src-badge.live{background:rgba(67,224,160,.14);color:var(--good);border-color:rgba(67,224,160,.4)}

/* ---- COP visual ---- */
.cop-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:760px){ .cop-grid{grid-template-columns:1.6fr 1fr} }
.cop-stage{position:relative;width:100%;aspect-ratio:16/11;border-radius:12px;overflow:hidden;
  border:1px solid var(--glass-brd);background:
   radial-gradient(120% 120% at 50% 40%, #06262b 0%, #041417 70%, #020c0e 100%)}
#cop-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.cop-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;font-size:var(--fs-caption);color:var(--ink-dim)}
.cop-legend .lg{display:inline-flex;align-items:center;gap:6px}
.cop-legend .sw{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.cop-legend .sw.benign{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.cop-legend .sw.elevated{background:var(--warn);box-shadow:0 0 8px var(--warn)}
.cop-legend .sw.anomaly{background:var(--violet-bright);box-shadow:0 0 8px var(--violet-bright)}
.cop-legend .sw.fused{width:11px;height:11px;border-radius:2px;background:transparent;
  border:1.5px solid var(--teal-bright)}

/* score panel */
.score-panel{display:flex;flex-direction:column;gap:10px}
.score-row{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;
  background:var(--glass-2);border:1px solid var(--glass-brd);min-height:44px}
.score-row .tid{font-family:var(--mono);font-size:var(--fs-caption);color:var(--ink-dim);
  width:62px;flex-shrink:0}
.score-row .bar-wrap{flex:1;height:9px;border-radius:6px;background:rgba(2,12,14,.65);overflow:hidden;min-width:0}
.score-row .bar{height:100%;border-radius:6px;transition:width var(--dur-slow) var(--ease-out)}
.score-row .sval{font-family:var(--mono);font-size:var(--fs-caption);width:42px;text-align:right;flex-shrink:0;
  font-variant-numeric:tabular-nums}
.score-row .vd{font-size:12px;font-weight:700;letter-spacing:.04em;padding:2px 7px;border-radius:5px;
  flex-shrink:0;white-space:nowrap}
.vd.allow{background:rgba(67,224,160,.13);color:var(--good);border:1px solid rgba(67,224,160,.4)}
.vd.advisory{background:rgba(255,180,84,.13);color:var(--warn);border:1px solid rgba(255,180,84,.4)}
.vd.deny{background:rgba(255,107,122,.13);color:var(--bad);border:1px solid rgba(255,107,122,.4)}
.score-cap{font-size:var(--fs-caption);color:var(--ink-faint);margin-top:4px;line-height:1.55}

/* fusion / convergence diagram */
.fuse-diagram{width:100%;height:auto;display:block;margin-top:8px}
.demo-note{margin-top:14px;padding:10px 14px;border-radius:10px;
  background:rgba(255,180,84,.10);border:1px solid rgba(255,180,84,.35);
  font-size:var(--fs-caption);color:var(--warn);line-height:1.5}
.fig-caption{font-size:var(--fs-caption);color:var(--ink-faint);margin-top:12px;line-height:1.55;text-align:center}
.fig-caption strong{color:var(--ink-dim)}
.fig{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--glass-brd);background:var(--bg2)}
#sda-fig-img{display:none}

/* ---- receipt panel ---- */
.receipt{font-family:var(--mono);background:rgba(2,12,14,0.6);border:1px solid var(--glass-brd);
  border-radius:12px;padding:clamp(14px,3vw,20px);overflow-x:auto}
.receipt-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:8px 0;border-bottom:1px solid rgba(40,224,208,.10);font-size:var(--fs-caption)}
.receipt-row:last-child{border-bottom:none}
.receipt-key{color:var(--ink-faint);letter-spacing:.02em;white-space:nowrap}
.receipt-val{color:var(--cyan);text-align:right;word-break:break-word;font-variant-numeric:tabular-nums}
.receipt-val.flag-true{color:var(--good)}
.receipt-val.flag-est{color:var(--warn)}
.receipt-val.flag-adv{color:var(--violet-bright)}
.receipt-val.flag-unsigned{color:var(--warn)}
.receipt-legend{font-size:var(--fs-caption);color:var(--ink-faint);margin-top:14px;line-height:1.6}
.receipt-legend b{color:var(--ink-dim);font-weight:600}

/* ---- baseline metrics table ---- */
.metrics{width:100%;border-collapse:collapse;margin-top:6px;font-size:var(--fs-caption)}
.metrics caption{font-size:var(--fs-caption);color:var(--ink-faint);text-align:left;
  padding-bottom:10px;line-height:1.5}
.metrics th,.metrics td{padding:9px 10px;text-align:right;border-bottom:1px solid rgba(40,224,208,.10)}
.metrics th:first-child,.metrics td:first-child{text-align:left}
.metrics thead th{color:var(--ink-dim);font-weight:700;letter-spacing:.04em;
  border-bottom:1px solid var(--glass-brd)}
.metrics td{color:var(--ink);font-variant-numeric:tabular-nums;font-family:var(--mono)}
.metrics td:first-child{font-family:var(--font);color:var(--ink-dim)}
.metrics tr.fused td{color:var(--teal-bright)}
.metrics-note{font-size:var(--fs-caption);color:var(--warn);margin-top:12px;line-height:1.55;
  padding:10px 14px;border-radius:10px;background:rgba(255,180,84,.10);border:1px solid rgba(255,180,84,.35)}

/* verify widget tap-target + font floors */
#verify-mount{margin-top:18px}
#verify-mount .szlv-go,#verify-mount .szlv-sample{min-height:44px;padding:10px 16px}
#verify-mount .szlv-url{min-height:44px}
#verify-mount .szlv-ta{font-size:12px;min-height:88px}
#verify-mount .szlv-sub,#verify-mount .szlv-det,#verify-mount .szlv-adv,#verify-mount .szlv-kinds,#verify-mount .szlv-detail{font-size:12px}

/* ---- fabric node list ---- */
.node-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:6px}
.node{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;
  background:var(--glass-2);border:1px solid var(--glass-brd)}
.node .ndot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.node .ndot.up{background:var(--good);box-shadow:0 0 9px var(--good)}
.node .ndot.down{background:var(--bad);box-shadow:0 0 9px var(--bad)}
.node .ninfo{min-width:0;flex:1}
.node .nname{font-size:var(--fs-body);font-weight:600;color:var(--ink);word-break:break-word}
.node .nmeta{font-size:var(--fs-caption);color:var(--ink-faint);font-family:var(--mono);word-break:break-word}
.node .nkind{font-size:12px;font-weight:700;letter-spacing:.05em;padding:3px 8px;border-radius:5px;
  white-space:nowrap;flex-shrink:0;border:1px solid var(--glass-brd);color:var(--ink-dim);background:var(--glass)}
.node .nkind.sov{color:var(--good);border-color:rgba(67,224,160,.4);background:rgba(67,224,160,.12)}
.node .nkind.hosted{color:var(--warn);border-color:rgba(255,180,84,.4);background:rgba(255,180,84,.10)}

/* ---- fit map ---- */
.fit-row{display:flex;align-items:flex-start;gap:14px;padding:16px;border-radius:12px;
  background:var(--glass-2);border:1px solid var(--glass-brd)}
.fit-row .ficon{width:38px;height:38px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  background:rgba(40,224,208,.10);border:1px solid var(--glass-brd)}
.fit-row .ficon svg{width:22px;height:22px}
.fit-row .ftext{min-width:0}
.fit-row .ftext h4{font-size:var(--fs-h3);color:var(--ink);font-weight:700;margin-bottom:4px}
.fit-row .ftext p{font-size:var(--fs-body);color:var(--ink-dim);line-height:1.55;overflow-wrap:anywhere}
.fit-row .ftext p strong{color:var(--teal-bright)}

/* ---- footer ---- */
.foot{text-align:center;padding:30px clamp(16px,4vw,48px) calc(30px + var(--safe-b));
  border-top:1px solid var(--glass-brd);margin-top:20px}
.foot p{font-size:var(--fs-caption);color:var(--ink-faint);line-height:1.7;max-width:840px;margin:0 auto 8px}
.foot a{color:var(--cyan);text-decoration:none;border-bottom:1px dotted rgba(61,214,255,.5)}
.foot a:hover,.foot a:focus-visible{color:var(--teal-bright)}

/* ---- responsive ---- */
@media (max-width:600px){
  .flow .arrow{display:none}
  .flow{gap:8px}
  .receipt-row{flex-direction:column;gap:3px}
  .receipt-val{text-align:left}
  .score-row .vd{display:none}
  .score-row .tid{width:54px}
}
@media (max-width:380px){
  .topbar{flex-wrap:wrap;gap:8px}
}

/* ============================================================================
 * ADDITIVE PRESENTATION POLISH — motion, hover, focus, mobile
 * Presentation only: no copy, no logic, no JS. Respects prefers-reduced-motion
 * (the global reduce block below collapses every animation/transition to ~0ms,
 * so all entrance keyframes settle instantly on their final, fully-visible state).
 * The WebGL background (#sda-canvas) and #vignette are intentionally untouched.
 * ==========================================================================*/

/* ---- entrance keyframes ---- */
@keyframes szl-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes szl-pop{from{opacity:0;transform:translateY(14px) scale(.986)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes szl-fade{from{opacity:0}to{opacity:1}}
@keyframes szl-sheen{0%,100%{background-position:0% center}50%{background-position:100% center}}

/* ---- hero entrance + gentle headline sheen ---- */
.hero .eyebrow{animation:szl-rise var(--dur-slow) var(--ease-out) both}
.hero .headline{background-size:220% auto;
  animation:szl-rise 520ms var(--ease-out) 60ms both, szl-sheen 9s ease-in-out 800ms infinite}
.hero .hero-sub{animation:szl-rise 520ms var(--ease-out) 140ms both}
.hero .hero-tagline{animation:szl-rise 520ms var(--ease-out) 210ms both}
.hero .badge-strip{animation:szl-pop 560ms var(--ease-out) 280ms both}

/* ---- section header entrance ---- */
.sec .sec-eyebrow{animation:szl-rise 480ms var(--ease-out) both}
.sec .sec-title{animation:szl-rise 500ms var(--ease-out) 60ms both}
.sec .sec-lead{animation:szl-rise 500ms var(--ease-out) 120ms both}
.flow{animation:szl-fade 640ms var(--ease-out) 160ms both}

/* ---- staggered card / panel entrance ---- */
.grid-3 .card,.grid-2 > *{animation:szl-pop 560ms var(--ease-out) both}
.grid-3 .card:nth-child(1){animation-delay:60ms}
.grid-3 .card:nth-child(2){animation-delay:120ms}
.grid-3 .card:nth-child(3){animation-delay:180ms}
.grid-3 .card:nth-child(4){animation-delay:240ms}
.grid-3 .card:nth-child(5){animation-delay:300ms}
.grid-3 .card:nth-child(6){animation-delay:360ms}
.grid-2 > *:nth-child(2){animation-delay:120ms}
.fit-row{animation:szl-pop 520ms var(--ease-out) both}
.fit-row:nth-child(2){animation-delay:110ms}
.fit-row:nth-child(3){animation-delay:200ms}

/* ---- richer focus ring (additive, stronger than base) ---- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;
  box-shadow:0 0 0 4px rgba(61,214,255,.22)}

/* ---- hover interactions (pointer devices only) ---- */
@media (hover:hover){
  .card,.fit-row,.visual-wrap,.node,.flow .chip,.tag,.conn-badge,.logo,
  .cite a,.foot a,.receipt-row,.metrics tbody tr,.score-row,.live-pill,.roadmap-pill{
    transition:transform var(--dur-base) var(--ease-out),
      border-color var(--dur-base) var(--ease-out),
      box-shadow var(--dur-base) var(--ease-out),
      background-color var(--dur-base) var(--ease-out),
      color var(--dur-fast) var(--ease-out)}

  .card:hover{transform:translateY(-4px);
    border-color:rgba(40,224,208,.42);
    box-shadow:0 16px 52px rgba(0,0,0,.52),0 0 0 1px rgba(40,224,208,.16)}
  .fit-row:hover{transform:translateY(-3px);
    border-color:rgba(40,224,208,.36);
    box-shadow:0 12px 40px rgba(0,0,0,.42)}
  .visual-wrap:hover{border-color:rgba(40,224,208,.30)}
  .node:hover{transform:translateX(3px);border-color:rgba(40,224,208,.36);
    background:var(--glass)}
  .flow .chip:hover{transform:translateY(-2px);border-color:rgba(40,224,208,.42);
    box-shadow:0 8px 26px rgba(0,0,0,.4)}
  .tag:hover{transform:translateY(-1px);filter:brightness(1.12)}
  .conn-badge:hover{border-color:rgba(40,224,208,.42)}
  .logo:hover{transform:rotate(-6deg) scale(1.05)}
  .receipt-row:hover{background:rgba(40,224,208,.05)}
  .metrics tbody tr:hover td{background:rgba(40,224,208,.05)}
  .score-row:hover{border-color:rgba(40,224,208,.34)}
  .live-pill:hover,.roadmap-pill:hover{filter:brightness(1.12)}
  .cite a:hover,.foot a:hover{border-bottom-color:currentColor}
}

/* ---- pipeline dot pulse for extra life ---- */
.flow .chip .cdot{animation:szl-pulse-dot 2.6s var(--ease-out) infinite}
@keyframes szl-pulse-dot{0%,100%{opacity:1}50%{opacity:.5}}

/* ---- mobile refinements (additive) ---- */
@media (max-width:600px){
  .hero{padding-top:clamp(14px,4vw,30px)}
  .badge-strip{padding:13px;gap:7px}
  .flow .chip{width:100%;justify-content:center}
  .fit-row{padding:14px}
  .visual-head{gap:8px}
}
@media (max-width:380px){
  .brand-line1{letter-spacing:.22em}
  .badge-strip{padding:11px}
}

/* ---- reduced motion ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
  html{scroll-behavior:auto}
}