/* ==========================================================================
   rionscrf.top — "Risk Console / Radar Instrumentation"
   Palette: near-black + alert red-orange / amber / calm green.
   Full-width console: top status strip, topbar, dashboard grid. No left rail.
   ========================================================================== */

:root{
  --bg:        #0A0E0F;
  --bg-2:      #0C1113;
  --panel:     #111719;
  --panel-2:   #151D1F;
  --line:      #223033;
  --line-soft: #172022;
  --ink:       #DCE3E4;
  --ink-2:     #93A2A5;
  --ink-3:     #5F7175;
  --red:       #FF4D2E;
  --orange:    #FF7A1A;
  --amber:     #FFB020;
  --green:     #3FBF7F;
  --maxw:      1340px;
  --head:      "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --body:      "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:      "Roboto Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --ease-2:    cubic-bezier(.4,.05,.2,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; scroll-padding-top:96px; }

body{
  margin:0;
  font-family:var(--body);
  font-size:16.5px;
  line-height:1.7;
  color:var(--ink-2);
  background-color:var(--bg);
  /* layered: noise + range rings + scan-lines + glows + base gradient — never flat */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E"),
    repeating-linear-gradient(180deg, rgba(255,255,255,.018) 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 86% -4%, transparent 0 62px, rgba(34,48,51,.55) 62px 63px),
    radial-gradient(1000px 620px at 88% -8%, rgba(255,77,46,.07), transparent 60%),
    radial-gradient(900px 560px at -6% 104%, rgba(63,191,127,.055), transparent 62%),
    linear-gradient(180deg, #080B0C 0%, #0C1113 48%, #0A0E0F 100%);
  background-attachment:fixed;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:var(--amber); text-decoration:none; }
a:hover{ color:#fff; }

h1,h2,h3,h4{
  font-family:var(--head);
  color:var(--ink);
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.14;
  margin:0 0 .55em;
}
h1{ font-size:clamp(2rem,4.4vw,3.35rem); font-weight:500; }
h2{ font-size:clamp(1.4rem,2.5vw,2.05rem); }
h3{ font-size:1.12rem; }
p{ margin:0 0 1.05em; }
strong{ color:var(--ink); font-weight:600; }
em{ color:var(--amber); font-style:normal; }

::selection{ background:var(--red); color:#0A0E0F; }

/* ---- access & focus ---- */
.skip{
  position:absolute; left:-999px; top:0; z-index:120;
  background:var(--red); color:#0A0E0F; padding:12px 20px; font-weight:600;
  font-family:var(--head);
}
.skip:focus{ left:12px; top:12px; }
:focus-visible{ outline:2px solid var(--amber); outline-offset:3px; border-radius:2px; }

.wrap{ width:min(100% - 44px, var(--maxw)); margin-inline:auto; }

.mono{ font-family:var(--mono); }
.tag{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.24em;
  text-transform:uppercase; color:var(--ink-3);
}

/* ==========================================================================
   STATUS STRIP
   ========================================================================== */
.strip{
  background:linear-gradient(90deg, rgba(255,77,46,.06), rgba(10,14,15,.2) 40%, rgba(10,14,15,.2));
  border-bottom:1px solid var(--line);
  font-family:var(--mono); font-size:.66rem; letter-spacing:.14em; text-transform:uppercase;
}
.strip-in{
  display:flex; align-items:center; gap:22px; flex-wrap:wrap;
  padding:9px 0; color:var(--ink-3);
}
.strip .led{ display:inline-flex; align-items:center; gap:8px; color:var(--ink-2); }
.strip .led i{ width:7px; height:7px; border-radius:50%; background:var(--green); box-shadow:0 0 0 3px rgba(63,191,127,.16); }
.strip .sep{ width:1px; height:12px; background:var(--line); }
.strip .legend{ display:inline-flex; align-items:center; gap:14px; margin-left:auto; }
.strip .legend b{ font-weight:500; display:inline-flex; align-items:center; gap:6px; }
.strip .legend b i{ width:8px; height:8px; border-radius:1px; display:inline-block; }
.strip .d1 i{ background:var(--green); }
.strip .d2 i{ background:var(--amber); }
.strip .d3 i{ background:var(--orange); }
.strip .d4 i{ background:var(--red); }

/* ==========================================================================
   TOP BAR
   ========================================================================== */
.topbar{
  position:sticky; top:0; z-index:60;
  background:rgba(10,14,15,.82);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-in{
  display:flex; align-items:center; gap:26px;
  padding:13px 0; min-height:64px;
}
.wordmark{ display:flex; align-items:center; gap:12px; }
.wordmark svg{ flex:none; }
.wordmark .wm-txt b{
  display:block; font-family:var(--head); font-weight:600; color:var(--ink);
  font-size:.98rem; letter-spacing:.06em;
}
.wordmark .wm-txt span{
  display:block; font-family:var(--mono); font-size:.6rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--ink-3); margin-top:2px;
}
.nav{ margin-left:auto; display:flex; align-items:center; gap:4px; }
.nav a{
  font-family:var(--mono); font-size:.76rem; letter-spacing:.08em;
  color:var(--ink-2); padding:10px 14px; border-radius:3px; min-height:44px;
  display:inline-flex; align-items:center;
  transition:color .26s var(--ease), background .26s var(--ease);
}
.nav a:hover, .nav a:focus-visible{ color:var(--ink); background:rgba(255,255,255,.045); }
.nav a.is-active{ color:var(--amber); }
.nav a.is-active::before{ content:""; width:5px; height:5px; background:var(--amber); border-radius:50%; margin-right:8px; }
.nav-toggle{
  display:none; margin-left:auto; background:none; border:1px solid var(--line);
  color:var(--ink); border-radius:3px; padding:10px 12px; min-height:44px; cursor:pointer;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ position:relative; border-bottom:1px solid var(--line); overflow:hidden; }
.hero-bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  object-position:center 38%; opacity:.35; filter:grayscale(.35) contrast(1.05);
  z-index:0;
}
.hero::before{
  content:""; position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(760px 520px at 82% 104%, rgba(255,77,46,.16), transparent 62%),
    linear-gradient(180deg, rgba(10,14,15,.74) 0%, rgba(10,14,15,.86) 58%, var(--bg) 100%);
}
.hero-in{ position:relative; z-index:2; padding:74px 0 68px; }
.hero-grid{
  display:grid; grid-template-columns:1.18fr .92fr; gap:56px; align-items:center;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.22em;
  text-transform:uppercase; color:var(--red);
  border:1px solid rgba(255,77,46,.34); border-radius:2px;
  padding:7px 14px; margin-bottom:26px;
}
.eyebrow i{ width:7px; height:7px; border-radius:50%; background:var(--red); box-shadow:0 0 0 4px rgba(255,77,46,.14); }
.hero h1{ margin-bottom:22px; max-width:19ch; }
.hero h1 span{ color:var(--red); }
.hero .lede{ font-size:1.09rem; max-width:56ch; color:var(--ink-2); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; }

.btn{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--head); font-size:.86rem; font-weight:600; letter-spacing:.02em;
  padding:13px 24px; min-height:46px; border-radius:2px;
  border:1px solid var(--red); color:#fff; background:var(--red);
  transition:background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease), border-color .3s var(--ease);
}
.btn:hover, .btn:focus-visible{ background:#ff6647; border-color:#ff6647; color:#0A0E0F; transform:translateY(-2px); }
.btn.ghost{ background:transparent; border-color:var(--line); color:var(--ink-2); }
.btn.ghost:hover, .btn.ghost:focus-visible{ border-color:var(--amber); color:var(--amber); background:rgba(255,176,32,.07); }

/* ---- RADAR (signature) ---- */
.radar-wrap{
  position:relative; border:1px solid var(--line); border-radius:4px;
  background:linear-gradient(160deg, var(--panel-2), var(--panel));
  padding:16px;
}
.radar-cap{
  display:flex; justify-content:space-between; align-items:baseline;
  font-family:var(--mono); font-size:.62rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--ink-3); margin-bottom:12px;
}
.radar-cap b{ color:var(--green); font-weight:500; }
.radar{
  position:relative; aspect-ratio:1/1; width:100%; margin-inline:auto;
  border-radius:50%; overflow:hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(63,191,127,.06) 0 22%, transparent 60%),
    radial-gradient(circle at 50% 50%, #0C1214, #080C0D 78%);
  border:1px solid var(--line);
  box-shadow:inset 0 0 60px rgba(0,0,0,.6);
}
.radar-svg{ position:absolute; inset:0; width:100%; height:100%; }
.radar .ring{ fill:none; stroke:rgba(34,48,51,.9); stroke-width:1; }
.radar .ring.dashed{ stroke-dasharray:2 6; stroke:rgba(63,191,127,.28); }
.radar .axis{ stroke:rgba(34,48,51,.85); stroke-width:1; }
.radar .blip{ fill:var(--amber); }
.radar .blip.r{ fill:var(--red); }
.radar .blip-core{ fill:var(--red); }

.radar-sweep{
  position:absolute; inset:0; border-radius:50%;
  background:conic-gradient(from 0deg,
    rgba(63,191,127,0) 0deg,
    rgba(63,191,127,0) 296deg,
    rgba(63,191,127,.05) 322deg,
    rgba(63,191,127,.30) 352deg,
    rgba(255,255,255,.55) 359deg,
    rgba(63,191,127,0) 360deg);
  animation:radar-sweep 5.5s linear infinite;
  mix-blend-mode:screen;
}
@keyframes radar-sweep{ to{ transform:rotate(360deg); } }

.radar-ping{
  position:absolute; top:30%; left:62%; width:10px; height:10px; border-radius:50%;
  background:var(--red); box-shadow:0 0 14px 3px rgba(255,77,46,.5);
  animation:radar-ping 3.6s var(--ease) infinite;
}
@keyframes radar-ping{
  0%,64%{ opacity:0; transform:scale(.4); }
  72%{ opacity:1; transform:scale(1); }
  100%{ opacity:0; transform:scale(2.6); }
}
.radar-hub{
  position:absolute; top:50%; left:50%; width:8px; height:8px; margin:-4px 0 0 -4px;
  border-radius:50%; background:var(--green); box-shadow:0 0 0 4px rgba(63,191,127,.14);
}
.radar-foot{
  margin-top:12px; padding-top:11px; border-top:1px solid var(--line-soft);
  display:flex; justify-content:space-between; gap:10px;
  font-family:var(--mono); font-size:.62rem; letter-spacing:.1em; color:var(--ink-3); text-transform:uppercase;
}
.radar-foot b{ color:var(--ink-2); font-weight:500; }

/* ==========================================================================
   SECTION SHELL
   ========================================================================== */
.sect{ padding:76px 0; border-bottom:1px solid var(--line-soft); position:relative; }
.sect-head{ display:grid; grid-template-columns:.85fr 1.5fr; gap:48px; margin-bottom:48px; align-items:start; }
.sect-head .num{ font-family:var(--mono); font-size:.68rem; letter-spacing:.22em; color:var(--red); text-transform:uppercase; }
.sect-head h2{ margin-top:12px; }
.sect-head p{ margin:0; color:var(--ink-2); }
.lead{ font-size:1.08rem; }

/* ---- requirement / feature tiles ---- */
.reqs{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; }
.req{
  background:var(--bg-2); padding:28px 24px;
  display:flex; flex-direction:column; gap:14px;
  transition:background .34s var(--ease), transform .34s var(--ease);
}
.req:hover{ background:var(--panel); transform:translateY(-3px); }
.req .rk{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; color:var(--red);
  border:1px solid rgba(255,77,46,.3); border-radius:2px; padding:3px 8px; align-self:flex-start;
}
.req h3{ margin:0; font-size:1rem; }
.req p{ margin:0; font-size:.86rem; color:var(--ink-3); }
.req iconify-icon{ font-size:26px; color:var(--amber); }
.req:nth-child(2) iconify-icon{ color:var(--red); }
.req:nth-child(3) iconify-icon{ color:var(--green); }
.req:nth-child(4) iconify-icon{ color:var(--amber); }

/* ---- tier ladder ---- */
.tiers{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.tier{
  border:1px solid var(--line); border-radius:4px; overflow:hidden;
  background:linear-gradient(180deg, var(--panel), var(--bg-2));
  display:flex; flex-direction:column;
}
.tier .bar{ height:4px; }
.tier .body{ padding:20px 20px 22px; }
.tier .state{ font-family:var(--head); font-weight:600; font-size:1.04rem; color:var(--ink); }
.tier .code{ font-family:var(--mono); font-size:.62rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-3); margin-bottom:8px; }
.tier p{ margin:10px 0 0; font-size:.82rem; color:var(--ink-3); }
.tier .meter{ display:flex; gap:4px; margin-top:16px; }
.tier .meter i{ height:6px; flex:1; border-radius:1px; background:rgba(255,255,255,.07); }
.tier.t1 .bar{ background:var(--green); }
.tier.t2 .bar{ background:var(--amber); }
.tier.t3 .bar{ background:var(--orange); }
.tier.t4 .bar{ background:var(--red); }
.tier.t1 .meter i.on{ background:var(--green); }
.tier.t2 .meter i.on{ background:var(--amber); }
.tier.t3 .meter i.on{ background:var(--orange); }
.tier.t4 .meter i.on{ background:var(--red); }

/* ---- cycle steps ---- */
.cycle{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; }
.step{ background:var(--bg-2); padding:26px 22px; position:relative; }
.step .idx{ font-family:var(--mono); font-size:.9rem; color:var(--red); }
.step h3{ margin:14px 0 8px; font-size:1rem; }
.step p{ margin:0; font-size:.85rem; color:var(--ink-3); }
.step::after{
  content:""; position:absolute; top:50%; right:-7px; width:13px; height:13px;
  border-top:1px solid var(--line); border-right:1px solid var(--line);
  transform:translateY(-50%) rotate(45deg); background:var(--bg-2); z-index:2;
}
.step:last-child::after{ display:none; }

/* ---- split editorial ---- */
.split{ display:grid; grid-template-columns:1.02fr .98fr; gap:52px; align-items:center; }
.split.rev .split-media{ order:2; }
.split-media img{ border-radius:4px; border:1px solid var(--line); filter:saturate(.85) contrast(1.04); }
.split-media figcaption{ font-family:var(--mono); font-size:.72rem; color:var(--ink-3); margin-top:10px; }

/* ---- callout ---- */
.callout{
  border-left:3px solid var(--red);
  background:linear-gradient(90deg, rgba(255,77,46,.09), transparent 72%);
  padding:24px 28px; border-radius:0 4px 4px 0; margin:34px 0;
}
.callout p{ margin:0; color:var(--ink); font-size:1.02rem; font-family:var(--head); font-weight:500; }

/* ---- stat readouts (no invented figures — labels only) ---- */
.readouts{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; border:1px solid var(--line); border-radius:4px; overflow:hidden; }
.readout{ padding:22px 24px; border-left:1px solid var(--line); background:var(--bg-2); }
.readout:first-child{ border-left:none; }
.readout .k{ font-family:var(--mono); font-size:.64rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-3); }
.readout .v{ font-family:var(--head); font-weight:600; color:var(--ink); font-size:1.12rem; margin-top:8px; }
.readout .v span{ color:var(--green); }

/* ---- signals list ---- */
.signals{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; }
.signal{ background:var(--bg-2); padding:26px 26px; display:grid; grid-template-columns:56px 1fr; gap:22px; align-items:start; transition:background .3s var(--ease); }
.signal:hover{ background:var(--panel); }
.signal .ico{
  width:52px; height:52px; border:1px solid var(--line); border-radius:4px;
  display:grid; place-items:center; background:var(--panel); color:var(--amber);
}
.signal .ico iconify-icon{ font-size:24px; }
.signal h3{ margin:0 0 6px; }
.signal .mean{ margin:0 0 14px; font-size:.9rem; }
.signal .q{
  display:flex; gap:10px; align-items:flex-start;
  border-top:1px dashed var(--line); padding-top:13px;
  font-family:var(--mono); font-size:.78rem; color:var(--ink-2);
}
.signal .q b{ color:var(--red); font-weight:500; flex:none; }

/* ==========================================================================
   NETWORK / RELATED
   ========================================================================== */
.net{ background:linear-gradient(180deg, rgba(255,77,46,.05), transparent 70%); }
.net-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.net-card{
  display:block; border:1px solid var(--line); border-radius:4px; padding:24px;
  background:var(--bg-2); position:relative; overflow:hidden;
  transition:border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}
.net-card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:3px;
  background:var(--red); transform:scaleY(0); transform-origin:top;
  transition:transform .34s var(--ease);
}
.net-card:hover, .net-card:focus-visible{ border-color:var(--red); transform:translateY(-3px); background:var(--panel); }
.net-card:hover::before, .net-card:focus-visible::before{ transform:scaleY(1); }
.net-card .dom{ font-family:var(--mono); font-size:.7rem; color:var(--green); letter-spacing:.06em; }
.net-card h3{ margin:10px 0 7px; font-size:1rem; color:var(--ink); }
.net-card p{ margin:0; font-size:.85rem; color:var(--ink-3); }
.net-card .go{ margin-top:14px; font-size:.76rem; color:var(--amber); display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); }

/* ==========================================================================
   ARTICLE
   ========================================================================== */
.article-hero{ padding:60px 0 42px; border-bottom:1px solid var(--line); position:relative; }
.crumbs{ font-family:var(--mono); font-size:.7rem; color:var(--ink-3); letter-spacing:.08em; margin-bottom:22px; }
.crumbs a{ color:var(--ink-3); } .crumbs a:hover{ color:var(--amber); }
.article-hero h1{ max-width:24ch; }
.article-hero .lede{ font-size:1.07rem; max-width:64ch; }
.byline{ display:flex; flex-wrap:wrap; gap:22px; margin-top:26px; font-family:var(--mono); font-size:.76rem; color:var(--ink-3); }
.byline b{ color:var(--ink-2); font-weight:500; }

.article-body{ display:grid; grid-template-columns:minmax(0,1fr) 296px; gap:60px; padding:56px 0 78px; }
.prose{ max-width:70ch; }
.prose h2{ margin-top:2.1em; padding-top:.3em; position:relative; }
.prose h2::before{
  content:""; position:absolute; top:0; left:0; width:44px; height:2px; background:var(--red);
}
.prose h3{ margin-top:1.7em; color:var(--amber); font-size:1.02rem; letter-spacing:.01em; }
.prose p{ color:var(--ink-2); }
.prose ul{ padding-left:20px; } .prose li{ margin-bottom:.5em; }
.prose img{ border-radius:4px; border:1px solid var(--line); margin:28px 0; }
.prose figure{ margin:30px 0; }
.prose figcaption{ font-family:var(--mono); font-size:.74rem; color:var(--ink-3); margin-top:10px; }
.prose blockquote{
  margin:30px 0; padding:8px 0 8px 26px; border-left:3px solid var(--amber);
  font-family:var(--head); font-weight:500; font-size:1.14rem; color:var(--ink); font-style:normal; line-height:1.4;
}
.prose code{ font-family:var(--mono); font-size:.86em; color:var(--amber); background:rgba(255,176,32,.08); padding:1px 6px; border-radius:2px; }

.aside-inner{ position:sticky; top:96px; }
.aside h4{ font-family:var(--mono); font-size:.64rem; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-3); margin-bottom:14px; }
.aside ul{ list-style:none; padding:0; margin:0 0 28px; }
.aside li{ padding:12px 0; border-top:1px solid var(--line-soft); font-size:.86rem; }
.aside li:last-child{ border-bottom:1px solid var(--line-soft); }
.aside li a{ display:flex; gap:10px; align-items:flex-start; color:var(--ink-2); }
.aside li a:hover{ color:var(--amber); }
.aside li iconify-icon{ color:var(--red); margin-top:3px; flex:none; }
.factbox{ border:1px solid var(--line); border-radius:4px; padding:20px; background:var(--bg-2); }
.factbox dt{ font-family:var(--mono); font-size:.64rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); margin-top:14px; }
.factbox dt:first-child{ margin-top:0; }
.factbox dd{ margin:4px 0 0; font-size:.86rem; color:var(--ink); }

/* about */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; }
.about-card{ background:var(--bg-2); padding:30px 28px; }
.about-card iconify-icon{ font-size:28px; color:var(--red); }
.about-card h3{ margin:16px 0 10px; }
.about-card p{ margin:0; font-size:.9rem; color:var(--ink-3); }
.monogram{
  width:112px; height:112px; border:1px solid var(--line); border-radius:4px;
  display:grid; place-items:center; font-family:var(--head); font-weight:600;
  font-size:2.4rem; color:var(--amber); background:linear-gradient(160deg, var(--panel-2), var(--panel));
  letter-spacing:.04em;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.foot{ padding:60px 0 40px; }
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:44px; }
.foot h4{ font-family:var(--mono); font-size:.64rem; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-3); margin-bottom:16px; }
.foot ul{ list-style:none; padding:0; margin:0; }
.foot li{ margin-bottom:10px; font-size:.86rem; }
.foot a{ color:var(--ink-2); } .foot a:hover{ color:var(--amber); }
.foot .blurb{ font-size:.87rem; color:var(--ink-3); max-width:46ch; }
.foot-base{
  margin-top:44px; padding-top:24px; border-top:1px solid var(--line-soft);
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap;
  font-size:.76rem; color:var(--ink-3); font-family:var(--mono);
}
.disclaimer{
  margin-top:22px; padding:16px 20px; border:1px solid var(--line-soft); border-radius:4px;
  font-size:.77rem; line-height:1.6; color:var(--ink-3); background:rgba(17,23,25,.6);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1080px){
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .radar-wrap{ max-width:520px; }
  .reqs{ grid-template-columns:repeat(2,1fr); }
  .tiers{ grid-template-columns:repeat(2,1fr); }
  .cycle{ grid-template-columns:repeat(2,1fr); }
  .step:nth-child(2)::after{ display:none; }
  .step:nth-child(4)::after{ display:none; }
  .article-body{ grid-template-columns:1fr; gap:40px; }
  .aside-inner{ position:static; }
  .about-grid{ grid-template-columns:1fr; }
}
@media (max-width:860px){
  .nav{
    position:fixed; inset:64px 0 auto 0; margin:0; padding:12px 16px 18px;
    background:rgba(10,14,15,.985); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:stretch; gap:2px;
    transform:translateY(-140%); transition:transform .4s var(--ease); z-index:55;
  }
  .nav.open{ transform:translateY(0); }
  .nav a{ min-height:48px; }
  .nav-toggle{ display:inline-flex; }
  .strip .legend{ margin-left:0; }
  .sect-head{ grid-template-columns:1fr; gap:16px; }
  .split{ grid-template-columns:1fr; gap:32px; }
  .split.rev .split-media{ order:0; }
  .net-grid{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; gap:30px; }
}
@media (max-width:600px){
  body{ font-size:16px; }
  .wrap{ width:min(100% - 32px, var(--maxw)); }
  .hero-in{ padding:44px 0 48px; }
  .sect{ padding:52px 0; }
  .reqs{ grid-template-columns:1fr; }
  .tiers{ grid-template-columns:1fr; }
  .cycle{ grid-template-columns:1fr; }
  .step::after{ display:none; }
  .readouts{ grid-template-columns:1fr; }
  .readout{ border-left:none; border-top:1px solid var(--line); }
  .readout:first-child{ border-top:none; }
  .signal{ grid-template-columns:1fr; gap:14px; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; animation:none !important; }
  .radar-sweep{ opacity:.5; }
}