:root{
  --ink:#030711;
  --panel:#07111d;
  --panel2:#0a1726;
  --line:#1d3854;
  --blue:#1497ff;
  --cyan:#58d7ff;
  --green:#64f86a;
  --purple:#b760ff;
  --amber:#ffb020;
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(circle at 17% 9%, rgba(20,151,255,.16), transparent 420px),
    radial-gradient(circle at 84% 18%, rgba(88,215,255,.09), transparent 520px),
    radial-gradient(circle at 50% 90%, rgba(100,248,106,.045), transparent 520px),
    linear-gradient(180deg,#030711 0%, #05101a 45%, #030711 100%);
  color:#d8e7f6;
  font-family:Inter,system-ui,sans-serif;
  overflow-x:hidden;
}

body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-1;
  background-image:
    linear-gradient(rgba(120,190,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,190,255,.028) 1px, transparent 1px);
  background-size:36px 36px;
  mask-image:radial-gradient(circle at center, black 0 45%, transparent 78%);
}

body:after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:99;
  background:repeating-linear-gradient(to bottom, rgba(255,255,255,.018), rgba(255,255,255,.018) 1px, transparent 1px, transparent 6px);
  opacity:.35;
  mix-blend-mode:overlay;
}

::selection{background:rgba(20,151,255,.38);color:white}

.shell{
  width:min(100%,1440px);
  margin-inline:auto;
}

.mockup-border{
  border-inline:1px solid rgba(74,128,173,.28);
}

.glass{
  background:linear-gradient(145deg,rgba(10,23,38,.86),rgba(5,13,24,.88));
  border:1px solid rgba(88,137,178,.28);
  box-shadow:0 18px 60px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.04);
}

.glass-soft{
  background:linear-gradient(145deg,rgba(9,20,33,.72),rgba(4,12,22,.76));
  border:1px solid rgba(88,137,178,.23);
}

.heading-mono{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  letter-spacing:-.055em;
}

.mono{font-family:"JetBrains Mono",ui-monospace,monospace}

.eyebrow{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  color:var(--blue);
  text-transform:uppercase;
  letter-spacing:.07em;
  font-size:.78rem;
  font-weight:700;
}

.rule-title{
  display:flex;
  align-items:center;
  gap:.8rem;
  color:var(--blue);
  text-transform:uppercase;
  letter-spacing:.055em;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-weight:700;
  font-size:.78rem;
}

.rule-title:after{
  content:"";
  height:1px;
  flex:1;
  background:linear-gradient(90deg,rgba(20,151,255,.42),rgba(20,151,255,.08),transparent);
}

.card-hover{
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card-hover:hover{
  transform:translateY(-4px);
  border-color:rgba(20,151,255,.65);
  box-shadow:0 24px 70px rgba(0,0,0,.42), 0 0 44px rgba(20,151,255,.14);
}

.terminal{
  position:relative;
}
.terminal:before{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius:1rem;
  background:linear-gradient(135deg,rgba(20,151,255,.65),rgba(88,215,255,.12),rgba(100,248,106,.18));
  opacity:.46;
  z-index:-1;
}
.terminal-screen{
  background:
    radial-gradient(circle at 65% 25%,rgba(20,151,255,.09),transparent 220px),
    linear-gradient(180deg,rgba(7,17,29,.98),rgba(2,7,13,.98));
}

.dot{width:.62rem;height:.62rem;border-radius:999px;display:block}

.iconbox{
  min-height:92px;
  background:radial-gradient(circle at center,rgba(20,151,255,.12),rgba(5,13,24,.75) 65%);
}

.prose-mcwhite{line-height:1.8;color:#c5d5e5}
.prose-mcwhite p{margin:1rem 0}
.prose-mcwhite h2{font-size:1.55rem;color:white;font-weight:900;margin:2rem 0 .75rem;font-family:"JetBrains Mono"}
.prose-mcwhite h3{font-size:1.15rem;color:white;font-weight:800;margin:1.5rem 0 .5rem;font-family:"JetBrains Mono"}
.prose-mcwhite code{font-family:"JetBrains Mono";color:#64f86a;background:rgba(100,248,106,.08);border:1px solid rgba(100,248,106,.18);padding:.12rem .36rem;border-radius:.36rem}
.prose-mcwhite pre{background:#030711;border:1px solid rgba(88,137,178,.3);border-radius:1rem;padding:1rem;overflow:auto;margin:1.2rem 0}
.prose-mcwhite pre code{background:transparent;border:0;padding:0;color:#64f86a}

.diagram-grid{
  background-image:
    linear-gradient(rgba(20,151,255,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(20,151,255,.09) 1px,transparent 1px);
  background-size:18px 18px;
}

@media(max-width:900px){
  .mockup-border{border-inline:0}
  .heading-mono{letter-spacing:-.04em}
}


.systems-map:before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(100,248,106,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,248,106,.05) 1px, transparent 1px);
  background-size:22px 22px;
  mask-image:radial-gradient(circle at center, black 0 58%, transparent 86%);
  pointer-events:none;
}

.systems-map:after{
  content:"";
  position:absolute;
  inset:-40%;
  background:conic-gradient(from 180deg, transparent, rgba(100,248,106,.08), transparent, rgba(20,151,255,.08), transparent);
  animation:systems-spin 18s linear infinite;
  opacity:.72;
  pointer-events:none;
}

@keyframes systems-spin{
  to{transform:rotate(360deg)}
}


.topic-visual{
  position:relative;
  width:100%;
  min-height:84px;
  border-radius:.55rem;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(20,151,255,.12), transparent 60%),
    linear-gradient(145deg, rgba(3,7,17,.72), rgba(7,17,29,.88));
}

.topic-visual:before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(88,215,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88,215,255,.055) 1px, transparent 1px);
  background-size:16px 16px;
  mask-image:radial-gradient(circle at center, black 0 55%, transparent 88%);
}

.topic-visual svg{
  position:relative;
  z-index:1;
  display:block;
  width:100%;
  height:100%;
  min-height:84px;
}

.topic-visual .line{
  stroke:url(#grad-troubleshooting);
  stroke-width:2.5;
  fill:none;
  filter:drop-shadow(0 0 6px rgba(20,151,255,.55));
}

.topic-visual .thin{
  stroke:rgba(190,225,255,.58);
  stroke-width:1.5;
  fill:none;
  stroke-linecap:round;
}

.topic-visual .node{
  stroke:var(--blue);
  fill:rgba(20,151,255,.09);
  stroke-width:2;
  filter:drop-shadow(0 0 8px rgba(20,151,255,.65));
}

.topic-visual .node-alt{
  stroke:var(--green);
  fill:rgba(100,248,106,.08);
  stroke-width:2;
  filter:drop-shadow(0 0 8px rgba(100,248,106,.55));
}

.topic-visual .chip{
  stroke:var(--blue);
  fill:rgba(20,151,255,.08);
  stroke-width:1.8;
  filter:drop-shadow(0 0 6px rgba(20,151,255,.35));
}

.topic-visual .chip-alt{
  stroke:var(--green);
  fill:rgba(100,248,106,.07);
  stroke-width:1.8;
  filter:drop-shadow(0 0 6px rgba(100,248,106,.32));
}

.topic-visual .dot{
  fill:var(--green);
  filter:drop-shadow(0 0 7px rgba(100,248,106,.85));
}

.topic-visual .animated{
  animation:dashflow 2.8s linear infinite;
}

.topic-purple{
  --blue:#b760ff;
  --green:#58d7ff;
}
.topic-green{
  --blue:#64f86a;
  --green:#1497ff;
}
.topic-amber{
  --blue:#ffb020;
  --green:#64f86a;
}

.topic-visual .grad-a{stop-color:var(--green)}
.topic-visual .grad-b{stop-color:var(--blue)}

@keyframes dashflow{
  to{stroke-dashoffset:-36}
}


/* SSS+ interactive layer */
html.theme-blueprint body{
  background:
    radial-gradient(circle at 18% 12%, rgba(88,215,255,.18), transparent 440px),
    radial-gradient(circle at 78% 24%, rgba(100,248,106,.08), transparent 520px),
    linear-gradient(180deg,#061426 0%, #07111d 46%, #030711 100%);
}

html.theme-blueprint .glass,
html.theme-blueprint .glass-soft{
  border-color:rgba(88,215,255,.35);
}

.terminal-cursor{
  display:inline-block;
  color:var(--green);
  animation:cursor-blink .72s steps(2,end) infinite;
}

@keyframes cursor-blink{
  0%,45%{opacity:1}
  46%,100%{opacity:0}
}

.interactive-card{
  position:relative;
  transform-style:preserve-3d;
  will-change:transform;
}

.interactive-card:before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  opacity:0;
  background:radial-gradient(360px circle at var(--mx,50%) var(--my,50%), rgba(88,215,255,.16), transparent 42%);
  transition:opacity .2s ease;
  z-index:2;
}

.interactive-card:hover:before{
  opacity:1;
}

.interactive-card > *{
  position:relative;
  z-index:3;
}

.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .65s ease, transform .65s ease;
}

.reveal.is-revealed{
  opacity:1;
  transform:translateY(0);
}

[data-copy].copied{
  border-color:rgba(100,248,106,.75);
  background:rgba(100,248,106,.12);
}

.systems-map:hover svg path{
  filter:drop-shadow(0 0 8px rgba(100,248,106,.6));
}

.topic-visual:hover .animated{
  animation-duration:1.25s;
  filter:drop-shadow(0 0 10px rgba(88,215,255,.75));
}

.topic-visual:hover .node,
.topic-visual:hover .node-alt,
.topic-visual:hover .chip,
.topic-visual:hover .chip-alt{
  filter:drop-shadow(0 0 11px rgba(88,215,255,.75));
}

@media (prefers-reduced-motion: reduce){
  *,
  *:before,
  *:after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    scroll-behavior:auto!important;
    transition-duration:.01ms!important;
  }
  .interactive-card{
    transform:none!important;
  }
}