/* Network portfolio. Dark-first with a bright green accent; light theme via data-theme="light".
   Mono labels, 1px line panels, motion kept to a few deliberate moments. */
:root {
  --bg: #060d09;
  --bg2: #0a140f;
  --panel: #0d1a13;
  --panel2: #12241b;
  --fg: #d9efe1;
  --muted: #84a393;
  --line: #1f3d2d;
  --accent: #3dff8b;
  --accent-ink: #04120a;
  --accent-dim: rgba(61, 255, 139, 0.12);
  --warn: #ffb020;
  --grid: rgba(61, 255, 139, 0.06);
  --font-display: "Chakra Petch", "Arial Narrow", Arial, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
:root[data-theme="light"] {
  --bg: #eef4f0;
  --bg2: #e4ece7;
  --panel: #ffffff;
  --panel2: #f2f7f4;
  --fg: #0c1a13;
  --muted: #4a6457;
  --line: #c2d4c9;
  --accent: #067a3c;
  --accent-ink: #ffffff;
  --accent-dim: rgba(6, 122, 60, 0.1);
  --warn: #9a5b00;
  --grid: rgba(6, 122, 60, 0.07);
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
img { max-width: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--font-body);
  padding-inline: 20px;
  padding-block: 0;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000, transparent 70%);
  mask-image: radial-gradient(ellipse at 50% 0%, #000, transparent 70%);
}
::selection { background: var(--accent); color: var(--accent-ink); }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; text-wrap: balance; letter-spacing: -0.005em; }
p { margin: 0; }
.wrap { max-width: 1040px; margin-inline: auto; }

/* top bar */
.top {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
  margin-inline: -20px;
  padding-inline: 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding-block: 10px; }
.brand { display: flex; align-items: center; gap: 9px; font: 500 14px var(--font-mono); color: var(--fg); text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px; margin-left: auto; }
.nav a { font: 13px var(--font-mono); padding: 6px 12px; border: 1px solid transparent; border-radius: 6px; color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--fg); }
.nav a[aria-current="page"] { color: var(--accent); border-color: var(--line); background: var(--accent-dim); }
.led { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); display: inline-block; flex: none; }
.led.off { background: var(--line); box-shadow: none; }

/* shared bits */
.eyebrow { font: 500 12px var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.lede { color: var(--muted); max-width: 60ch; font-size: 1.1rem; }
.lead { color: var(--muted); max-width: 62ch; }
.chip {
  font: 12px var(--font-mono);
  letter-spacing: 0.04em;
  background: var(--panel2);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.hero { padding-block: 64px 36px; display: flex; flex-direction: column; gap: 18px; }
.hero h1 { font-size: clamp(2.6rem, 9vw, 5.2rem); line-height: 0.98; font-weight: 700; letter-spacing: -0.02em; }
.pagehead { padding-block: 48px 28px; display: flex; flex-direction: column; gap: 14px; }
.pagehead h1, .pagehead h2.sec-title { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.04; font-weight: 700; }
.block { padding-block: 48px 28px; display: flex; flex-direction: column; gap: 20px; border-top: 1px solid var(--line); }
.block h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 700; }
.crumbs { font: 13px var(--font-mono); color: var(--muted); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 20px; font: 13px var(--font-mono); color: var(--muted); list-style: none; margin: 0; padding: 0; }
.tag { font: 500 11px var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); border-radius: 4px; padding: 2px 8px; align-self: flex-start; }

/* terminal */
.term { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); overflow: hidden; box-shadow: 0 24px 60px -36px color-mix(in srgb, var(--accent) 40%, transparent); }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel2); font: 12px var(--font-mono); color: var(--muted); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); display: inline-block; }
.term-bar span { margin-left: 8px; }
.term-body { padding: 16px 18px; font: 14px/1.7 var(--font-mono); max-height: 340px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
.term-body .res { color: var(--muted); }
.ps { color: var(--accent); }
.prompt { display: flex; align-items: center; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); font: 14px var(--font-mono); }
.prompt input { flex: 1; min-width: 0; background: transparent; border: 0; color: var(--fg); font: inherit; caret-color: var(--accent); outline: none; }
.prompt:focus-within { background: var(--accent-dim); }
.hint { display: flex; flex-wrap: wrap; gap: 8px; }
.type { display: inline-block; vertical-align: bottom; overflow: hidden; white-space: nowrap; }

/* network map */
.map { width: 100%; height: auto; display: block; }
.cable { stroke: var(--line); stroke-width: 2; fill: none; }
.cable.off { stroke-dasharray: 3 7; }
.cable.live { stroke: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.flow { stroke: var(--accent); stroke-width: 3; fill: none; stroke-dasharray: 4 18; stroke-linecap: round; }
.core { fill: var(--panel2); stroke: var(--accent); stroke-width: 2; }
.core-t { fill: var(--accent); font: 700 26px var(--font-display); text-anchor: middle; letter-spacing: 0.08em; }
.node rect { fill: var(--panel); stroke: var(--line); stroke-width: 2; transition: stroke 0.2s; }
.node text { fill: var(--fg); font: 500 20px var(--font-mono); text-anchor: middle; }
.node .sub { fill: var(--muted); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
.node .dot { fill: var(--line); }
.node.live rect { stroke: var(--accent); }
.node.live .dot { fill: var(--accent); }
.node.off text { fill: var(--muted); }
.node.off rect { stroke-dasharray: 5 6; }
.node.live { cursor: pointer; }
.node.live:hover rect, .node.live:focus-visible rect { fill: var(--accent-dim); stroke-width: 3; filter: drop-shadow(0 0 8px var(--accent)); }
.node:focus-visible { outline: none; }
.ports { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 10px; }
.port { display: flex; flex-direction: column; gap: 10px; padding: 12px; min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--fg); text-decoration: none; font: 13px var(--font-mono); }
.port .jack { height: 26px; border: 2px solid var(--line); border-radius: 3px 3px 7px 7px; background: repeating-linear-gradient(90deg, var(--line) 0 2px, transparent 2px 6px) bottom / 100% 8px no-repeat, var(--bg); }
.port .st { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.port.live { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.port.live .jack { border-color: var(--accent); }
.port.live:hover { background: var(--accent-dim); }
.port.off { opacity: 0.7; }

/* experience cards */
.devs { display: flex; flex-direction: column; gap: 14px; padding-bottom: 40px; }
.dev { display: grid; grid-template-columns: 160px minmax(0, 1fr) auto; gap: 6px 24px; align-items: start; padding: 22px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--fg); text-decoration: none; }
.dev:hover { border-color: var(--accent); background: var(--panel2); }
.dev .when { font: 13px var(--font-mono); color: var(--muted); padding-top: 5px; }
.dev h2 { font-size: 1.35rem; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
.dev .role { color: var(--accent); font: 500 14px var(--font-mono); margin-top: 2px; }
.dev p.sum { color: var(--muted); margin-top: 8px; max-width: 60ch; }
.dev .go { font: 13px var(--font-mono); color: var(--accent); padding-top: 5px; white-space: nowrap; }

/* company pages */
.handled { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; max-width: 72ch; }
.handled li { position: relative; padding-left: 22px; }
.handled li::before { content: ">"; position: absolute; left: 0; color: var(--accent); font-family: var(--font-mono); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { display: flex; flex-direction: column; gap: 10px; min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--muted); font-size: 15px; }
.card.win { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-dim), var(--panel)); }
.card .yr { font: 500 12px var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.photos { border: 1px dashed var(--line); border-radius: 10px; padding: 36px 20px; text-align: center; color: var(--muted); font: 13px var(--font-mono); }
.back { padding-block: 28px 8px; }
.note { color: var(--muted); font: 13px var(--font-mono); }

/* contact */
.kv { margin: 0; padding: 4px 18px; font: 14px/1.7 var(--font-mono); }
.kv > div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 4px 16px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: center; }
.kv > div:last-child { border-bottom: 0; }
.kv dt { color: var(--accent); }
.kv dd { margin: 0; overflow-wrap: anywhere; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }

/* footer */
.foot { border-top: 1px solid var(--line); margin-top: 48px; padding-block: 24px 48px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; font: 12px var(--font-mono); color: var(--muted); }
.foot > span { display: flex; align-items: center; gap: 10px; }

.linkbar { position: fixed; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); box-shadow: 0 0 10px var(--accent); opacity: 0; pointer-events: none; z-index: 20; }

@media (max-width: 680px) {
  .hero { padding-block: 44px 28px; }
  .dev { grid-template-columns: minmax(0, 1fr); padding: 18px; }
  .dev .go { padding-top: 0; }
  .kv > div { grid-template-columns: minmax(0, 1fr); }
  .nav { margin-left: 0; }
  .term-body { max-height: 300px; }
}

@media (prefers-reduced-motion: no-preference) {
  .led { animation: pulse 2.6s ease-in-out infinite; }
  .led.off { animation: none; }
  .flow { animation: dash 1.8s linear infinite; }
  .node.live .dot { animation: blink 1.6s steps(2, jump-none) infinite; }
  .linkbar { animation: linkup 0.8s ease-out both; }
  .type { animation: type 0.5s backwards; }
  .t1 { width: 6ch; animation-delay: 0.2s; animation-timing-function: steps(6); }
  .t2 { width: 15ch; animation-delay: 1.1s; animation-timing-function: steps(15); animation-duration: 0.7s; }
  .r1 { animation: rise 0.3s 0.8s backwards; }
  .l2 { animation: rise 0.2s 1s backwards; }
  .r2 { animation: rise 0.3s 1.9s backwards; }
  .r3 { animation: rise 0.3s 2.1s backwards; }
  .dev, .port, .card { transition: border-color 0.2s, background 0.2s, transform 0.2s; }
  .dev:hover, .port.live:hover { transform: translateY(-2px); }
  .dev .go { transition: transform 0.2s; }
  .dev:hover .go { transform: translateX(4px); }
}
@keyframes pulse { 50% { box-shadow: 0 0 2px var(--accent); } }
@keyframes blink { 50% { opacity: 0.3; } }
@keyframes dash { to { stroke-dashoffset: -44; } }
@keyframes type { from { width: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(4px); } }
@keyframes linkup { 0% { opacity: 1; transform: scaleX(0); transform-origin: left; } 70% { opacity: 1; transform: scaleX(1); } 100% { opacity: 0; transform: scaleX(1); } }

/* penguin pilot */
#pilot { position: fixed; left: 0; top: 0; width: 70.4px; height: 50.4px; z-index: 12; pointer-events: none; opacity: 0; transition: opacity 0.3s; will-change: transform; }
#pilot.on { opacity: 1; }
#pilot .flip { width: 100%; height: 100%; transition: transform 0.25s ease; }
#pilot .tilt { position: relative; width: 100%; height: 100%; }
#pilot .tilt > svg, #pilot .pg { position: absolute; left: 0; top: 0; width: 100%; height: 100%; }
#pilot .pad { opacity: 0; transition: opacity 0.25s; }
#pilot.out .pad { opacity: 1; }
#pilot svg { width: 100%; height: 100%; overflow: visible; display: block; }
#pilot .flame { transform-box: fill-box; transform-origin: 100% 50%; transform: scaleX(0.45); transition: transform 0.2s; }
#pilot.fly .flame { transform: scaleX(1); }
#pilot .scarf { transform-box: fill-box; transform-origin: 100% 50%; }
#pilot .lap { transform-box: fill-box; transform-origin: 0% 100%; transform: scale(0); transition: transform 0.35s cubic-bezier(0.3, 1.4, 0.5, 1); }
#pilot.open .lap { transform: scale(1); }
#pilot .lid { transform-box: fill-box; transform-origin: 50% 100%; transform: scaleY(0.2); transition: transform 0.3s 0.2s; }
#pilot.open .lid { transform: scaleY(1); }
#cables { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 11; pointer-events: none; }
#cable { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; }
#plug { fill: var(--accent); stroke: var(--bg); stroke-width: 2; opacity: 0; }
.say { position: fixed; left: 0; top: 0; z-index: 13; pointer-events: none; font: 12px var(--font-mono); background: var(--panel); color: var(--accent); border: 1px solid var(--accent); border-radius: 6px; padding: 3px 10px; white-space: nowrap; opacity: 0; transition: opacity 0.2s; }
.say.show { opacity: 1; }
.scanning { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 10px; }
.node.scanning { outline: none; }
.node.scanning rect { stroke: var(--accent); fill: var(--accent-dim); filter: drop-shadow(0 0 8px var(--accent)); }
@media (prefers-reduced-motion: no-preference) {
  #pilot.fly .flame { animation: flame 0.12s steps(2, jump-none) infinite alternate; }
  #pilot.fly .scarf { animation: flap 0.18s ease-in-out infinite alternate; }
  #pilot.open .scr { animation: scr 0.6s steps(2, jump-none) infinite; }
}
@keyframes flame { from { transform: scaleX(0.85); } to { transform: scaleX(1.25); } }
@keyframes flap { from { transform: rotate(-8deg); } to { transform: rotate(10deg); } }
@keyframes scr { 50% { fill: #8fdcff; } }

/* one long page */
.part { scroll-margin-top: var(--hdr, 56px); }
.part + .part { border-top: 1px solid var(--line); }
.next { padding-block: 8px 40px; display: flex; justify-content: center; }
.next a { font-family: var(--font-mono); font-size: .85rem; color: var(--muted); padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; }
.next a:hover { color: var(--accent); border-color: var(--accent); }

/* about and skills */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 28px; align-items: start; padding-bottom: 24px; }
.about-grid .prose { display: grid; gap: 16px; font-size: 1.1rem; max-width: 56ch; }
.about-grid .kv > div { grid-template-columns: 96px minmax(0, 1fr); }
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }
.skills { border-top: 0; padding-top: 4px; gap: 28px; }

/* phones: brand and theme switch on the first row, nav links on a second row that scrolls sideways if needed */
@media (max-width: 680px) {
  .brand { order: 1; }
  #theme { order: 2; margin-left: auto; }
  .nav { order: 3; flex-basis: 100%; flex-wrap: nowrap; margin-left: 0; overflow-x: auto; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav { position: relative; gap: 2px; }
  .nav a { flex: none; font-size: 12px; padding: 6px 8px; }
}

/* about, longer version */
.about-grid .prose { max-width: 62ch; font-size: 1.05rem; }
.about-grid .prose .sig { font: 500 0.95rem var(--font-mono); color: var(--accent); }
.about-grid .kv > div { grid-template-columns: 112px minmax(0, 1fr); }
.about-grid .kv dt { text-transform: uppercase; letter-spacing: 0.1em; font-size: 12px; }
.philosophy-wrap { padding-bottom: 24px; }
.philosophy { position: relative; margin: 0; padding: 26px 28px; border: 1px dashed var(--accent); border-radius: 10px; background: linear-gradient(135deg, var(--accent-dim), var(--panel)); display: grid; gap: 12px; overflow: hidden; }
.philosophy::before { content: "DO NOT TOUCH"; position: absolute; right: -40px; top: 30px; transform: rotate(35deg); background: var(--warn); color: #1a1000; font: 700 11px var(--font-mono); letter-spacing: 0.18em; padding: 3px 34px; opacity: 0.9; }
.philosophy blockquote { margin: 0; font: 700 clamp(1.5rem, 4.6vw, 2.4rem)/1.15 var(--font-display); max-width: 20ch; }
.philosophy mark { background: none; color: var(--accent); border-bottom: 3px wavy var(--warn); text-decoration: none; }
.philosophy .note { margin: 0; font: 13px var(--font-mono); color: var(--muted); }
.philosophy .act { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; min-height: 36px; }
.philosophy .oops { font: 13px var(--font-mono); color: var(--warn); }
.philosophy.broke blockquote { color: var(--warn); }
.philosophy.broke mark { border-bottom-style: dotted; }
@media (prefers-reduced-motion: no-preference) {
  .philosophy mark { display: inline-block; transition: transform 0.2s; }
  .philosophy:hover mark { animation: nudge 0.9s ease-in-out infinite; }
  .philosophy.shake { animation: shake 0.45s; }
  .philosophy.broke blockquote { animation: glitch 1.2s steps(2, jump-none) infinite; }
}
@keyframes nudge { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-2px) rotate(-1deg); } 75% { transform: translateX(2px) rotate(1deg); } }
@keyframes shake { 0%, 100% { transform: none; } 20% { transform: translateX(-6px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }
@keyframes glitch { 0% { transform: translateX(0); } 50% { transform: translateX(1px); text-shadow: 2px 0 var(--accent); } }
@media (max-width: 760px) { .philosophy { padding: 22px 18px; } .philosophy::before { display: none; } }

/* skills pyramid */
.pyr { --cw: 270px; --ch: 124px; --g: 18px; display: grid; gap: var(--g); position: relative; }
.pcard.card { padding: 0; gap: 0; position: relative; transition: border-color 0.2s, background 0.2s; will-change: auto; }
.pcard:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.pcard.is-active { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-dim), var(--panel)); z-index: 2; }
.pc-btn { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 12px; align-items: center; width: 100%; height: 100%; padding: 14px 16px; background: none; border: 0; color: inherit; font: inherit; text-align: left; cursor: pointer; border-radius: 10px; }
.pc-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }
.pcard .ico { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--accent); background: var(--accent-dim); }
.ico svg, .hub svg, .nd svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.pcard .ico svg { width: 24px; height: 24px; }
.pc-t { display: grid; gap: 3px; min-width: 0; }
.pc-t b { font: 600 1rem/1.25 var(--font-display); }
.pc-t small { color: var(--muted); font-size: 13px; line-height: 1.35; }
.lvl-tag { display: inline-flex; align-items: center; gap: 6px; margin-top: 3px; font: 11px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.lvl-tag .led.mid { opacity: 0.55; }
.lvl-tag .led.warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.pcard.is-pinned .lvl-tag::after { content: "pinned"; color: var(--accent); margin-left: 4px; }
.cat-skills { margin: 0; padding: 0 16px 14px; display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.cat-skills li { font: 12px var(--font-mono); color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; }
.skills.js .cat-skills { display: none; }
.pyr { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pyr:not(.open) .pcard[data-n="1"] { grid-column: 1 / -1; justify-self: center; width: calc((100% - var(--g)) / 2); }
.pyr.open .pcard.is-active { grid-column: 1 / -1; justify-self: center; width: calc((100% - var(--g)) / 2); order: -2; }
.pcard { min-height: var(--ch); }
.net { grid-column: 1 / -1; order: -1; position: relative; height: 340px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); overflow: hidden; }
.net[hidden] { display: none; }
.net-in { position: absolute; inset: 0; }
.net-close { position: absolute; top: 10px; right: 10px; z-index: 5; }
.net-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.net-lines .spoke { stroke: color-mix(in srgb, var(--accent) 30%, var(--line)); stroke-width: 1; transition: stroke 0.2s, stroke-width 0.2s; }
.net-lines .bond { stroke: var(--line); stroke-width: 1; stroke-dasharray: 2 5; opacity: 0.8; }
.net-lines .spoke.on { stroke: var(--accent); stroke-width: 1.8; }
.hub { position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; margin: -34px 0 0 -34px; border-radius: 50%; border: 1.5px solid var(--accent); background: var(--panel); box-shadow: 0 0 0 6px var(--accent-dim); color: var(--accent); display: grid; place-items: center; }
.hub svg { width: 32px; height: 32px; }
.nd { position: absolute; left: 0; top: 0; width: 46px; height: 46px; padding: 0; border-radius: 50%; border: 1px solid var(--line); background: var(--panel2); color: var(--accent); display: grid; place-items: center; cursor: pointer; will-change: transform; transition: border-color 0.2s, background 0.2s, box-shadow 0.2s; }
.nd svg { width: 22px; height: 22px; }
.nd:hover, .nd.on { border-color: var(--accent); background: var(--accent-dim); box-shadow: 0 0 0 4px var(--accent-dim); }
.tip { position: absolute; left: 0; top: 0; z-index: 4; pointer-events: none; font: 12px var(--font-mono); color: var(--fg); background: var(--panel); border: 1px solid var(--accent); border-radius: 6px; padding: 3px 9px; white-space: nowrap; opacity: 0; transition: opacity 0.15s; }
.tip.show { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .net:not([hidden]) { animation: netin 0.3s ease-out; }
}
@keyframes netin { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: none; } }
@media (max-width: 619px) {
  .pyr { grid-template-columns: minmax(0, 1fr); }
  .pyr:not(.open) .pcard[data-n="1"], .pyr.open .pcard.is-active { width: auto; justify-self: stretch; }
  .pyr.open .pcard.is-active, .net { order: 0; }
  .net { height: 330px; }
}
@media (min-width: 980px) {
  .pyr { --ph: calc(4 * var(--ch) + 3 * var(--g)); grid-template-columns: repeat(2, var(--cw)); grid-template-rows: repeat(4, var(--ch)); justify-content: center; height: var(--ph); }
  .pyr:not(.open) .pcard[data-n="1"] { width: var(--cw); }
  .pcard { height: var(--ch); overflow: hidden; align-self: center; }
  .pyr.open { grid-template-columns: var(--cw) minmax(0, 1fr) var(--cw); grid-template-rows: repeat(3, 1fr); justify-content: stretch; }
  .pyr.open .pcard.is-active { width: var(--cw); order: 0; grid-column: auto; }
  .net { order: 0; height: auto; }
  .skills:not(.js) .pyr { height: auto; grid-template-rows: none; }
  .skills:not(.js) .pcard { height: auto; }
}