/* ===== Theme tokens ===== */
:root {
  --bg: #ffffff; --text: #334155; --heading: #0f172a; --muted: #64748b;
  --accent: #2563eb; --accent-text: #1d4ed8; --on-accent: #fff;
  --line: #e2e8f0; --line-strong: #cbd5e1; --card: rgba(255,255,255,.88); --chip-bg: #f8fafc; --tag-bg: #f1f5f9;
  --icon-bg: #eff6ff; --nav-bg: rgba(255,255,255,.8); --contact-bg: linear-gradient(135deg, #eff6ff, #f8fafc);
  --status-bg: #0f172a; --status-text: #94a3b8; --status-strong: #f8fafc; --status-line: #1e293b;
  --shadow: 0 1px 2px rgba(15,23,42,.05), 0 8px 24px -16px rgba(15,23,42,.15);
  --shadow-hover: 0 24px 48px -24px rgba(29,78,216,.3); --hover-border: #93c5fd;
  --dot: 37, 99, 235; --dot-base: .12;
  --display: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 14px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0b1220; --text: #cbd5e1; --heading: #f1f5f9; --muted: #94a3b8;
  --accent: #3b82f6; --accent-text: #60a5fa; --on-accent: #fff;
  --line: #1e293b; --line-strong: #334155; --card: rgba(15,23,42,.82); --chip-bg: #111c33; --tag-bg: #0f1a30;
  --icon-bg: #172554; --nav-bg: rgba(11,18,32,.8); --contact-bg: linear-gradient(135deg, #0f1d3a, #0b1220);
  --status-bg: #f8fafc; --status-text: #64748b; --status-strong: #0f172a; --status-line: #e2e8f0;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px -16px rgba(0,0,0,.6);
  --shadow-hover: 0 24px 48px -24px rgba(59,130,246,.45); --hover-border: #1d4ed8;
  --dot: 96, 165, 250; --dot-base: .10;
  color-scheme: dark;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; transition: background-color .3s, color .3s; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
b { color: var(--heading); font-weight: 600; }
h1, h2, h3 { font-family: var(--display); margin: 0; color: var(--heading); }
h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; }
h3 { font-size: 19px; line-height: 1.3; margin-bottom: 6px; }
code { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
main, .nav, .footer { position: relative; z-index: 1; }
main { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 8px; }
.fx-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

/* ===== Nav ===== */
.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px max(24px, calc((100vw - 1120px) / 2 + 24px)); background: var(--nav-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--heading); white-space: nowrap; }
.brand .mono { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: var(--on-accent); font-size: 13px; font-weight: 700; }
.brand-path { font: 400 12px var(--mono); color: var(--muted); margin-left: 4px; }
.nav nav { display: flex; align-items: center; gap: 24px; font-size: 15px; color: var(--muted); }
.nav nav > a:hover { color: var(--heading); }
.theme-toggle { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line-strong); background: transparent; color: var(--heading); cursor: pointer; transition: border-color .2s, transform .2s; }
.theme-toggle:hover { border-color: var(--accent); transform: rotate(-12deg); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .i-sun, [data-theme="dark"] .theme-toggle .i-moon { display: none; }
[data-theme="dark"] .theme-toggle .i-sun { display: block; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 22px; border-radius: 10px; border: 1px solid var(--line-strong); color: var(--heading); font-weight: 600; font-size: 15px; background: var(--card); transition: transform .2s, border-color .2s, box-shadow .2s; }
.btn:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { box-shadow: 0 10px 30px -10px var(--accent); }
.btn-small { padding: 8px 16px; font-size: 14px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }

/* ===== Hero ===== */
.hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; padding: 88px 0 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 13px var(--mono); color: var(--muted); padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; margin-bottom: 26px; background: var(--chip-bg); }
.live { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px rgba(34,197,94,.2); flex: none; animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(34,197,94,0); } }
.hero-title { font-size: clamp(52px, 8vw, 92px); line-height: .95; letter-spacing: -0.035em; font-weight: 800; }
.hero-role { font-size: 20px; font-weight: 600; color: var(--accent-text); margin: 14px 0 22px; }
.caret { margin-left: 2px; animation: caret 1.1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.hero-head { font-size: clamp(22px, 2.6vw, 28px); line-height: 1.35; color: var(--heading); margin-bottom: 14px; max-width: 26ch; }
.hero-sub { color: var(--muted); max-width: 54ch; margin-bottom: 32px; }

.hero-visual { position: relative; display: grid; justify-items: center; }
.photo { margin: 0; width: min(340px, 80vw); aspect-ratio: 4 / 5; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 60px -30px rgba(15,23,42,.45); background: var(--icon-bg); transition: transform .15s ease-out, box-shadow .25s; }
.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.status { position: absolute; left: -8px; bottom: -36px; width: 230px; padding: 12px 14px; border-radius: 12px; background: var(--status-bg); color: var(--status-text); font: 12.5px/1.5 var(--mono); box-shadow: 0 20px 40px -16px rgba(15,23,42,.5); z-index: 2; }
.status-head { display: flex; align-items: center; gap: 8px; color: var(--status-strong); margin-bottom: 6px; font-weight: 500; }
.status-head .live { width: 7px; height: 7px; }
.status-row { display: flex; justify-content: space-between; padding: 3px 0; border-top: 1px dashed var(--status-line); }
.status-row b { color: var(--status-strong); font-weight: 500; }

/* ===== Stats ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 40px 0; }
.stat { padding: 26px 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.stat b { display: block; font-size: 40px; line-height: 1; color: var(--accent-text); margin-bottom: 10px; letter-spacing: -0.02em; font-weight: 800; }
.stat span { font-size: 15px; color: var(--muted); line-height: 1.45; display: block; }
.stat code { display: block; margin-top: 12px; font-size: 12px; color: var(--muted); }
.stat code::before { content: "› "; color: var(--accent-text); }

/* ===== Sections ===== */
.section { padding: 88px 0 24px; }
.section-head { margin-bottom: 36px; }
.kicker { font: 500 13px var(--mono); letter-spacing: .02em; color: var(--accent-text); margin-bottom: 10px; }
.kn { opacity: .55; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card, .project, .job { position: relative; padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .15s ease-out, border-color .25s, box-shadow .25s; backdrop-filter: blur(2px); }
.card:hover, .project:hover, .job:hover, .stat:hover { border-color: var(--hover-border); box-shadow: var(--shadow-hover); }
.card p, .project p { color: var(--muted); font-size: 16px; }
.card-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--icon-bg); color: var(--accent-text); margin-bottom: 18px; }
.card-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; font-family: var(--mono); }
.tags span { font-size: 12px; padding: 3px 9px; border-radius: 6px; background: var(--tag-bg); border: 1px solid var(--line); color: var(--muted); }

.pipeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.pipeline li { position: relative; padding: 20px 18px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; gap: 4px; }
.pipeline li:not(:last-child)::after { content: "→"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%); color: var(--accent-text); font-weight: 700; z-index: 2; }
.pipeline .step { font: 12px var(--mono); color: var(--accent-text); }
.pipeline b { font-size: 20px; }
.pipeline code { font-size: 12px; color: var(--muted); }
.pipe-note { margin-top: 18px; color: var(--muted); max-width: 70ch; }

.timeline { display: grid; gap: 18px; }
.job { display: grid; grid-template-columns: 200px 1fr; gap: 24px; }
.when { font: 600 14px var(--mono); color: var(--accent-text); }
.org { color: var(--muted); margin-bottom: 12px; }
.job ul { margin: 0; padding-left: 20px; }
.job li { margin-bottom: 8px; }
.job li::marker { color: var(--accent-text); }

.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.project h3 { font-size: 22px; }
.more { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-top: 24px; font-size: 14px; }
.more-label { color: var(--muted); font: 13px var(--mono); margin-right: 4px; }
.more a { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--chip-bg); transition: border-color .2s, color .2s; }
.more a:hover { border-color: var(--accent); color: var(--accent-text); }
.more a.all { color: var(--accent-text); font-weight: 600; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.stack { margin: 0; display: grid; gap: 14px; }
.stack div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; align-items: start; }
.stack dt { font: 13px var(--mono); color: var(--accent-text); padding-top: 9px; }
.stack dd { margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border-radius: 999px; background: var(--chip-bg); border: 1px solid var(--line); font-size: 15px; }
.edu { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.edu li { display: grid; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.edu span { color: var(--muted); font-size: 15px; }

.faq { display: grid; gap: 12px; max-width: 820px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 0 22px; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; color: var(--heading); display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 500 20px/1 var(--mono); color: var(--accent-text); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 20px; color: var(--muted); }
.faq a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; }

.contact { margin: 96px 0 64px; padding: 64px 40px; text-align: center; border-radius: 22px; background: var(--contact-bg); border: 1px solid var(--line); }
.contact h2 { margin-bottom: 14px; }
.contact p:not(.kicker) { color: var(--muted); max-width: 52ch; margin: 0 auto 28px; }
.contact .ctas { justify-content: center; }
.footer { max-width: 1120px; margin: 0 auto; padding: 28px 24px 40px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.footer code { font-size: 13px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 48px 0 56px; gap: 56px; }
  .hero-visual { justify-items: start; }
  .photo { width: min(300px, 100%); }
  .status { left: auto; right: 0; bottom: -28px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipeline li::after { display: none; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .job { grid-template-columns: 1fr; gap: 6px; }
  .nav nav > a:not(.btn) { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  main { padding: 0 16px; }
  .nav { padding: 12px 16px; }
  .brand-path { display: none; }
  .photo { width: 78%; max-width: 280px; }
  .status { position: relative; right: auto; bottom: auto; margin-top: -40px; margin-left: 24%; width: auto; max-width: 240px; }
  .cards, .projects, .pipeline { grid-template-columns: 1fr; }
  .stat { padding: 20px 16px; }
  .stat b { font-size: 28px; white-space: nowrap; }
  .card, .project, .job { padding: 22px; }
  .stack div { grid-template-columns: 1fr; gap: 6px; }
  .stack dt { padding-top: 0; }
  .contact { padding: 44px 20px; }
  .footer { padding: 24px 16px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* =====================================================================
   v3 additions: SR monogram, orbit, about, lifecycle wheel, toolbox, projects
   ===================================================================== */
:root { --accent-2: #06b6d4; --tube: #ffffff; --grid-line: rgba(37,99,235,.10); }
:root[data-theme="dark"] { --accent-2: #22d3ee; --tube: #0b1220; --grid-line: rgba(96,165,250,.10); }

/* logo in nav / footer */
.logo { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--heading); flex: none; }
.logo svg { width: 28px; height: 22px; stroke: url(#srg); stroke-width: 26; }
:root[data-theme="dark"] .logo { background: #111c33; border: 1px solid var(--line-strong); }
.logo.small { width: 24px; height: 24px; border-radius: 7px; display: inline-grid; vertical-align: -6px; margin-right: 6px; }
.logo.small svg { width: 18px; height: 14px; }
.brand-name { font-weight: 700; }

/* hero */
.hero { grid-template-columns: 1.1fr 1fr; gap: 40px; }
.hello { font: 500 15px var(--mono); color: var(--muted); margin-bottom: 4px; }
.socials { list-style: none; display: flex; flex-wrap: wrap; gap: 18px; padding: 0; margin: 26px 0 0; }
.socials a { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; color: var(--muted); transition: color .2s; }
.socials a:hover { color: var(--accent-text); }
.socials svg { width: 18px; height: 18px; fill: currentColor; }

.mono-stage { position: relative; width: min(480px, 100%); aspect-ratio: 1; margin-left: auto; display: grid; place-items: center; }
.mono-grid { position: absolute; inset: 12%; border-radius: 24px; background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 24px 24px; -webkit-mask: radial-gradient(circle, #000 35%, transparent 72%); mask: radial-gradient(circle, #000 35%, transparent 72%); }
.mono { position: relative; width: 66%; overflow: visible; }
.mono g { fill: none; }
.sr-glow { stroke: var(--accent); stroke-width: 34; opacity: .12; filter: blur(8px); }
.sr-tube { stroke: url(#srg); stroke-width: 24; }
.sr-core { stroke: var(--tube); stroke-width: 15; }
.sr-pulse { stroke: url(#srg); stroke-width: 4; stroke-dasharray: 60 940; animation: sr-pulse 3.2s linear infinite; }
.sr-nodes circle { fill: var(--tube); stroke: url(#srg); stroke-width: 4; }
.sr-tube, .sr-core { stroke-dasharray: 1000; stroke-dashoffset: 1000; animation: sr-draw 1.8s cubic-bezier(.65,0,.35,1) .15s forwards; }
.sr-core { animation-delay: .3s; }
.sr-nodes, .sr-pulse { opacity: 0; animation: sr-fade .5s ease 1.7s forwards, sr-pulse 3.2s linear 1.7s infinite; }
.sr-nodes { animation: sr-fade .5s ease 1.7s forwards; }
@keyframes sr-draw { to { stroke-dashoffset: 0; } }
@keyframes sr-fade { to { opacity: 1; } }
@keyframes sr-pulse { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }

.orbit { position: absolute; inset: 0; border-radius: 50%; border: 1px dashed var(--line-strong); }
.orbit::after { content: ""; position: absolute; inset: 13%; border-radius: 50%; border: 1px solid var(--line); }
.orbit-spin { position: absolute; inset: 0; animation: spin 60s linear infinite; }
.orbit .o { position: absolute; left: 50%; top: 50%; width: 52px; height: 52px; margin: -26px; transform: rotate(var(--a)) translateY(calc(min(480px, 92vw) * -0.5)) rotate(calc(-1 * var(--a))); }
.orbit .o img { width: 52px; height: 52px; padding: 11px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); animation: spin 60s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.mono-tags { position: absolute; right: -6px; bottom: 6%; list-style: none; margin: 0; padding: 10px 12px; display: grid; gap: 2px; font: 12px var(--mono); color: var(--muted); background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); }
.mono-tags li::before { content: "✓ "; color: #22c55e; }

/* about */
.about { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: center; }
.about-visual { position: relative; justify-self: center; }
.about .photo { width: min(340px, 80vw); }
.about .status { position: absolute; left: auto; right: -40px; bottom: -28px; }
.about-text p { margin-bottom: 16px; max-width: 62ch; }
.facts { margin: 26px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.facts div { background: var(--card); padding: 14px 18px; }
.facts dt { font: 12px var(--mono); color: var(--accent-text); }
.facts dd { margin: 2px 0 0; color: var(--heading); font-weight: 500; }
.lede { color: var(--muted); max-width: 70ch; margin-top: 14px; }
.legend { white-space: nowrap; color: var(--heading); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--accent); vertical-align: 0; margin-right: 4px; }

/* lifecycle wheel */
.lc { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.lc-wheel { position: relative; width: min(520px, 100%); aspect-ratio: 1; margin: 0 auto; }
.lc-ring { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.lc-track { fill: none; stroke: var(--line-strong); stroke-width: .6; stroke-dasharray: 1.2 1.6; }
.lc-flow { fill: none; stroke: url(#lcg); stroke-width: 1.4; stroke-linecap: round; stroke-dasharray: 18 82; transform-origin: 50% 50%; transform: rotate(-90deg); animation: lc-flow 9s linear infinite; }
@keyframes lc-flow { from { stroke-dashoffset: 18; } to { stroke-dashoffset: -82; } }
.lc-orbit { position: absolute; inset: 0; animation: spin 9s linear infinite; }
.lc-dot { position: absolute; left: 50%; top: 9%; width: 14px; height: 14px; margin: -7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent-2) 25%, transparent), 0 0 24px var(--accent-2); }
.lc-center { position: absolute; inset: 30%; border-radius: 50%; display: grid; place-content: center; text-align: center; gap: 2px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.lc-center .lc-sr { font: 700 42px/1 var(--display); background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lc-center b { font-size: 15px; color: var(--heading); }
.lc-center span:last-child { font: 11px var(--mono); color: var(--muted); }
.lc-nodes { list-style: none; margin: 0; padding: 0; }
.lc-node { position: absolute; transform: translate(-50%, -50%); display: grid; justify-items: center; gap: 4px; padding: 8px 10px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); animation: lc-hot 9s linear infinite; animation-delay: calc(var(--i) * 1s); min-width: 78px; }
.lc-node b { font-size: 12.5px; color: var(--heading); }
.lc-icons { display: flex; gap: 4px; }
@keyframes lc-hot { 0%, 8% { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent), var(--shadow); transform: translate(-50%, -50%) scale(1.08); } 14%, 100% { transform: translate(-50%, -50%) scale(1); } }
.lc-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.lc-steps li { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); }
.lc-steps .n { font: 12px var(--mono); color: var(--accent-text); }
.lc-steps b { display: block; color: var(--heading); font-size: 15px; }
.lc-steps div span { color: var(--muted); font-size: 14px; }
.lc-mini { display: flex; gap: 6px; }

/* toolbox */
.toolbox { columns: 3 320px; column-gap: 18px; }
.tool-group { break-inside: avoid; margin-bottom: 18px; padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .15s ease-out, border-color .25s, box-shadow .25s; }
.tool-group header { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.tool-group h3 { font-size: 17px; margin: 0; }
.tool-group .count { font: 12px var(--mono); color: var(--muted); }
.tool-group > p { font-size: 14px; color: var(--muted); margin: 2px 0 14px; }
.tools { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 8px; }
.tool { display: grid; justify-items: center; gap: 6px; padding: 12px 4px 10px; border-radius: 12px; border: 1px solid var(--line); background: var(--chip-bg); text-align: center; transition: transform .2s, border-color .2s, box-shadow .2s; }
.tool span { font-size: 11.5px; line-height: 1.2; color: var(--muted); }
.tool img { width: 34px; height: 34px; filter: grayscale(.7) opacity(.65); transition: filter .2s, transform .2s; }
.tool.used { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: color-mix(in srgb, var(--accent) 6%, var(--chip-bg)); }
.tool.used img { filter: none; }
.tool.used span { color: var(--heading); font-weight: 500; }
.tool:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 10px 24px -14px var(--accent); }
.tool:hover img { filter: none; transform: scale(1.1); }

/* projects */
.ptabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.ptab { font: 500 14px var(--body); padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--card); color: var(--text); cursor: pointer; transition: all .2s; }
.ptab span { font: 12px var(--mono); color: var(--muted); margin-left: 4px; }
.ptab:hover { border-color: var(--accent); }
.ptab.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.ptab.on span { color: rgba(255,255,255,.8); }
.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pcard { position: relative; display: flex; flex-direction: column; padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .15s ease-out, border-color .25s, box-shadow .25s; }
.pcard:hover { border-color: var(--hover-border); box-shadow: var(--shadow-hover); }
.pcard[hidden] { display: none; }
.p-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.p-meta { font: 12px var(--mono); color: var(--muted); }
.badge { flex: none; font: 600 11px var(--mono); padding: 3px 8px; border-radius: 6px; background: color-mix(in srgb, #22c55e 15%, transparent); color: #15803d; }
:root[data-theme="dark"] .badge { color: #4ade80; }
.badge.flag { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent-text); }
.pcard h3 { font-size: 18px; }
.pcard > p { color: var(--muted); font-size: 15px; flex: 1; }
.p-stack { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 16px 0 0; }
.p-stack li { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--chip-bg); border: 1px solid var(--line); transition: transform .2s, border-color .2s; }
.p-stack li:hover { transform: translateY(-2px); border-color: var(--accent); }
.p-stack img { width: 22px; height: 22px; }
.pcard .tags { margin-top: 10px; }
.p-link { margin-top: 14px; font: 500 13px var(--mono); color: var(--accent-text); }
.p-link.muted { color: var(--muted); }
.pmore-wrap { display: flex; justify-content: center; margin-top: 26px; }

/* timeline stack icons */
.job .p-stack { margin-top: 14px; }

/* dark-mono icons need inverting on the dark theme */
:root[data-theme="dark"] img.inv { filter: invert(1) hue-rotate(180deg) brightness(1.1); }
:root[data-theme="dark"] .tool:not(.used) img.inv { filter: invert(1) hue-rotate(180deg) grayscale(.7) opacity(.65); }

/* responsive for v3 */
@media (max-width: 1000px) {
  .pgrid { grid-template-columns: 1fr 1fr; }
  .lc { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .mono-stage { margin: 10px auto 0; width: min(420px, 86vw); }
  .orbit .o { transform: rotate(var(--a)) translateY(calc(min(420px, 86vw) * -0.5)) rotate(calc(-1 * var(--a))); }
  .about { grid-template-columns: 1fr; gap: 72px; }
  .about .status { right: -10px; }
}
@media (max-width: 640px) {
  .pgrid { grid-template-columns: 1fr; }
  .orbit .o, .orbit .o img { width: 40px; height: 40px; }
  .orbit .o { margin: -20px; }
  .orbit .o img { padding: 8px; border-radius: 12px; }
  .mono-tags { display: none; }
  .lc-node { min-width: 0; padding: 6px; }
  .lc-node b { font-size: 10.5px; }
  .lc-node .lc-icons img:nth-child(2) { display: none; }
  .lc-node .lc-icons img { width: 18px; height: 18px; }
  .lc-center { inset: 33%; }
  .lc-center .lc-sr { font-size: 30px; }
  .lc-center b { font-size: 12px; }
  .lc-center span:last-child { display: none; }
  .lc-steps .lc-mini { display: none; }
  .facts { grid-template-columns: 1fr; }
  .about .status { position: relative; right: auto; bottom: auto; margin: -40px 0 0 20%; }
  .toolbox { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .sr-tube, .sr-core { stroke-dashoffset: 0; }
  .sr-nodes, .sr-pulse { opacity: 1; }
}
/* tags row sits inside the inner ring, under the SR, so it never covers orbit icons */
.mono-tags { right: auto; left: 50%; bottom: 25%; transform: translateX(-50%); display: flex; gap: 12px; padding: 0; background: none; border: 0; box-shadow: none; white-space: nowrap; }
@media (max-width: 640px) { .mono-tags { display: flex; gap: 8px; font-size: 10.5px; bottom: 27%; } }
/* orbit tiles: background lives on the (round) wrapper so icon inversion never flips it */
.orbit .o { border-radius: 50%; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; place-items: center; }
.orbit .o img { width: 28px; height: 28px; padding: 0; border: 0; border-radius: 0; background: none; box-shadow: none; }
@media (max-width: 640px) { .orbit .o img { width: 22px; height: 22px; padding: 0; } .mono-tags { display: none; } }
@media (max-width: 640px) { .legend { white-space: normal; } }