// tech.jsx - "Your solution, our stack". Faithful port of the original: a Solutions // column, six tech-category columns, and a Results column, with an SVG neural path // that weaves from the active solution → through each tech in its stack → to its result. // Nodes activate in sequence with a traveling signal pulse. Rebuilt on-brand (Violet Blue). const CATEGORIES = [ { name: 'Frontend', techs: ['Next.js', 'React', 'Dashboards', 'React Native'] }, { name: 'Backend', techs: ['Node.js', 'Django', 'Python', 'Go'] }, { name: 'Cloud', techs: ['AWS', 'Azure', 'Google Cloud'] }, { name: 'Data', techs: ['PostgreSQL', 'Redis', 'Analytics', 'Elasticsearch', 'Data Lake'] }, { name: 'AI/ML', techs: ['Recommendations', 'Claude AI', 'LLM Agents', 'Predictive ML', 'Process AI', 'On-device AI'] }, { name: 'DevOps', techs: ['CI/CD', 'GitLab CI', 'LLMOps', 'Pipelines', 'Auto-scaling', 'Fastlane'] }, ]; const PROJECTS = [ { name: 'Operations Hub', stack: ['React', 'Node.js', 'Azure', 'Data Lake', 'Process AI', 'Auto-scaling'], result: '−70–80% manual tasks in 30 days' }, { name: 'AI Support Agent', stack: ['React', 'Python', 'Google Cloud', 'Analytics', 'LLM Agents', 'LLMOps'], result: '−60–70% tickets · 24/7 coverage' }, { name: 'Business Intelligence', stack: ['Dashboards', 'Python', 'Google Cloud', 'Elasticsearch', 'Predictive ML', 'Pipelines'], result: 'Decisions in minutes, not days' }, { name: 'Online Store', stack: ['Next.js', 'Node.js', 'AWS', 'PostgreSQL', 'Recommendations', 'CI/CD'], result: '+40–50% sales · Zero downtime' }, { name: 'Custom SaaS', stack: ['React', 'Django', 'Azure', 'Redis', 'Claude AI', 'GitLab CI'], result: 'Idea to production in 6–8 weeks' }, { name: 'Mobile App', stack: ['React Native', 'Go', 'AWS', 'PostgreSQL', 'On-device AI', 'Fastlane'], result: 'Your brand in every pocket' }, ]; const ROTATE_MS = 3600; const STEP_MS = 110; const RESUME_MS = 2000; function Tech() { const [ref, inView] = useInView({ threshold: 0.25 }); const containerRef = React.useRef(null); const solRefs = React.useRef(new Map()); const techRefs = React.useRef(new Map()); const resRefs = React.useRef(new Map()); const [active, setActive] = React.useState(0); const [auto, setAuto] = React.useState(true); const [pathD, setPathD] = React.useState(''); const [pathKey, setPathKey] = React.useState(0); const [activated, setActivated] = React.useState(() => new Set()); const [showPulse, setShowPulse] = React.useState(true); const pulseTimer = React.useRef(null); const [pos, setPos] = React.useState(null); const resumeRef = React.useRef(null); const stepTimers = React.useRef([]); const proj = PROJECTS[active]; // measure node positions relative to the container const measure = React.useCallback(() => { const c = containerRef.current; if (!c) return; const cr = c.getBoundingClientRect(); const m = new Map(); const add = (key, el) => { if (el) { const r = el.getBoundingClientRect(); m.set(key, { left: r.left - cr.left, top: r.top - cr.top, w: r.width, h: r.height }); } }; solRefs.current.forEach((el, k) => add('sol-' + k, el)); techRefs.current.forEach((el, k) => add(k, el)); resRefs.current.forEach((el, k) => add('res-' + k, el)); setPos(m); }, []); React.useEffect(() => { measure(); const t = setTimeout(measure, 200); window.addEventListener('resize', measure); return () => { clearTimeout(t); window.removeEventListener('resize', measure); }; }, [measure, inView]); // build the weaving path for the active project React.useEffect(() => { if (!pos) { setPathD(''); return; } const sol = pos.get('sol-' + active); if (!sol) { setPathD(''); return; } let d = `M ${sol.left + sol.w} ${sol.top + sol.h / 2}`; let prevExit = sol.left + sol.w, prevY = sol.top + sol.h / 2; proj.stack.forEach((tech) => { const r = pos.get(tech); if (!r) return; const enterX = r.left, exitX = r.left + r.w, y = r.top + r.h / 2; const midX = (prevExit + enterX) / 2; d += ` C ${midX} ${prevY}, ${midX} ${y}, ${enterX} ${y} L ${exitX} ${y}`; prevExit = exitX; prevY = y; }); const res = pos.get('res-' + active); if (res) { const rx = res.left, ry = res.top + res.h / 2, midX = (prevExit + rx) / 2; d += ` C ${midX} ${prevY}, ${midX} ${ry}, ${rx} ${ry}`; } setPathD(d); setPathKey((k) => k + 1); }, [active, pos]); // pulse plays ONCE per change then unmounts, so the SVG stops repainting when // idle (avoids constant backdrop-filter re-raster behind it = the main jank). React.useEffect(() => { setShowPulse(true); if (pulseTimer.current) clearTimeout(pulseTimer.current); pulseTimer.current = setTimeout(() => setShowPulse(false), 1700); return () => { if (pulseTimer.current) clearTimeout(pulseTimer.current); }; }, [active]); // sequential node activation, TIMED so each chip reaches full opacity/blur exactly // as the drawing line arrives at it (lead by the 300ms chip transition). const DRAW_MS = 1000, CHIP_TRANS = 300; React.useEffect(() => { stepTimers.current.forEach(clearTimeout); stepTimers.current = []; setActivated(new Set()); const sol = pos && pos.get('sol-' + active); const res = pos && pos.get('res-' + active); proj.stack.forEach((tech, i) => { let delay = i * 110; // fallback before positions are measured if (sol && res) { const tr = pos.get(tech); if (tr) { const solR = sol.left + sol.w, resL = res.left, span = resL - solR; const f = span > 0 ? Math.min(1, Math.max(0, (tr.left - solR) / span)) : 0; delay = Math.max(0, DRAW_MS * f - CHIP_TRANS); } } const id = setTimeout(() => setActivated((prev) => new Set(prev).add(tech)), delay); stepTimers.current.push(id); }); return () => stepTimers.current.forEach(clearTimeout); }, [active, pos]); // auto-rotate React.useEffect(() => { if (!inView || !auto) return; const id = setInterval(() => setActive((a) => (a + 1) % PROJECTS.length), ROTATE_MS); return () => clearInterval(id); }, [inView, auto]); const pick = (i) => { if (resumeRef.current) clearTimeout(resumeRef.current); setAuto(false); setActive(i); }; const scheduleResume = () => { if (resumeRef.current) clearTimeout(resumeRef.current); resumeRef.current = setTimeout(() => setAuto(true), RESUME_MS); }; const activeStack = new Set(proj.stack); const SideBtn = ({ i, label, refMap, keyPrefix }) => { const on = i === active; return ( ); }; return (
Your solution, our stack {/* desktop: full neural grid */}
{/* Solutions */}

Solutions

{PROJECTS.map((p, i) => )}
{/* Categories */}
{CATEGORIES.map((cat) => (

{cat.name}

{cat.techs.map((tech) => { const inPath = activeStack.has(tech); const lit = activated.has(tech); return (
techRefs.current.set(tech, el)} className={lit ? 'tk-surface on' : ''} style={{ padding: '7px 6px', borderRadius: 9, fontSize: 11.5, textAlign: 'center', lineHeight: 1.2, color: lit ? 'var(--accent)' : (inPath ? 'var(--fg-muted)' : 'var(--fg-faint)'), background: lit ? undefined : 'transparent', border: `1px solid ${lit ? 'var(--accent)' : (inPath ? 'var(--eyebrow-bd)' : 'var(--hairline)')}`, transform: lit ? 'scale(1.05)' : 'scale(1)', boxShadow: lit ? '0 0 16px color-mix(in srgb, var(--accent) 30%, transparent)' : 'none', transition: 'all 300ms ease', }}>{tech}
); })}
))}
{/* Results */}

Results

{PROJECTS.map((p, i) => )}
{/* auto-cycle indicator - inside .tech-stage at its bottom edge, no layout impact */}
{auto ? 'Auto-cycling. Hover any solution to pause' : 'Paused • resumes shortly'}
{/* mobile fallback */}
{PROJECTS.map((p, i) => { const on = i === active; return ( ); })}
{proj.stack.map((t) => ( {t} ))}

→ {proj.result}

); } window.Tech = Tech;