Fix mobile

.claude/settings.local.json

@@ -39,7 +39,10 @@
       "Bash(python scripts/generate_demo_data.py:*)",
       "Bash(sqlite3:*)",
       "Bash(python:*)",
-      "Bash(grep:*)"
+      "Bash(grep:*)",
+      "WebFetch(domain:www.embla-carousel.com)",
+      "Bash(npm ls:*)",
+      "Bash(npm install:*)"
     ]
   }
 }

.ralph/agent/handoff.md

@@ -0,0 +1,46 @@
+# Session Handoff
+
+_Generated: 2026-02-17 21:19:40 UTC_
+
+## Git Context
+
+- **Branch:** `master`
+- **HEAD:** d51efb5: chore: auto-commit before merge (loop primary)
+
+## Tasks
+
+_No tasks tracked in this session._
+
+## Key Files
+
+Recently modified:
+
+- `.ralph/agent/scratchpad.md`
+- `.ralph/agent/summary.md`
+- `.ralph/agent/tasks.jsonl.lock`
+- `.ralph/current-events`
+- `.ralph/current-loop-id`
+- `.ralph/events-20260217-140400.jsonl`
+- `.ralph/events-20260217-205901.jsonl`
+- `.ralph/history.jsonl`
+- `.ralph/loop.lock`
+- `.ralph/plan.md`
+
+## Next Session
+
+Session completed successfully. No pending work.
+
+**Original objective:**
+
+```
+# Task: Fix Mobile Responsiveness for Small Viewport Widths (≤430px)
+
+The portfolio website is broken on phones with viewport widths around 400px. Text overflows off-screen, elements are hidden behind `overflow: hidden`, and layout components are sized inappropriately for small screens.
+
+## Context
+
+- **Tech stack:** React + TypeScript + Tailwind CSS + Framer Motion + D3
+- **Dev server:** `npm run dev` (localhost:5173)
+- **Quality gates:** `npm run lint && npm run typecheck && npm run build`
+-...
+```

.ralph/loops.json

@@ -0,0 +1,3 @@
+{
+  "loops": []
+}

src/components/BootSequence.tsx

@@ -424,7 +424,7 @@ export function BootSequence({ onComplete }: BootSequenceProps) {
       }
 
       renderedLines.push(
-        <div key={lineIdx} className="font-mono text-sm leading-relaxed whitespace-nowrap">
+        <div key={lineIdx} className="font-mono text-sm leading-relaxed">
           {spans}
         </div>
       )
@@ -459,7 +459,7 @@ export function BootSequence({ onComplete }: BootSequenceProps) {
                 )
               }
               lines.push(
-                <div key={lineIdx} className="font-mono text-sm leading-relaxed whitespace-nowrap">
+                <div key={lineIdx} className="font-mono text-sm leading-relaxed">
                   {spans}
                 </div>
               )

src/components/constellation/CareerConstellation.tsx

@@ -76,7 +76,7 @@ const CareerConstellation: React.FC<CareerConstellationProps> = ({
     let debounceTimer: ReturnType<typeof setTimeout> | null = null
     const X_CHANGE_THRESHOLD = 0.3
 
-    const updateDimensions = () => {
+    const updateDimensions = (force = false) => {
       const width = container.clientWidth
       const viewportWidth = window.innerWidth
       const height = isFullscreen ? window.innerHeight : getHeight(viewportWidth, containerHeight)
@@ -84,30 +84,59 @@ const CareerConstellation: React.FC<CareerConstellationProps> = ({
         ? Math.max(1, Math.min(1.6, viewportWidth / 1440))
         : 1
       setDimensions(prev => {
+        if (!force) {
           const widthDelta = Math.abs(prev.width - width) / prev.width
           const heightRatio = Math.max(height / prev.height, prev.height / height)
           if (widthDelta < X_CHANGE_THRESHOLD && heightRatio < 2) {
             return prev
           }
+        }
         return { width, height, scaleFactor }
       })
     }
 
-    // Use rAF for fullscreen toggle so CSS layout settles before measuring
+    // Force update on fullscreen/orientation change so animation always restarts
-    requestAnimationFrame(updateDimensions)
+    requestAnimationFrame(() => updateDimensions(true))
+
+    const onOrientationChange = () => {
+      requestAnimationFrame(() => updateDimensions(true))
+    }
+    window.addEventListener('orientationchange', onOrientationChange)
 
     const observer = new ResizeObserver(() => {
       if (debounceTimer) clearTimeout(debounceTimer)
-      debounceTimer = setTimeout(updateDimensions, 2000)
+      debounceTimer = setTimeout(() => updateDimensions(), 2000)
     })
     observer.observe(container)
     return () => {
       observer.disconnect()
+      window.removeEventListener('orientationchange', onOrientationChange)
       if (debounceTimer) clearTimeout(debounceTimer)
     }
   }, [containerHeight, isFullscreen])
 
-  const toggleFullscreen = useCallback(() => setIsFullscreen(prev => !prev), [])
+  const toggleFullscreen = useCallback(() => {
+    const entering = !isFullscreen
+    setIsFullscreen(entering)
+
+    if (entering) {
+      // On portrait touch devices, request native fullscreen + lock landscape
+      const isPortrait = window.matchMedia('(orientation: portrait)').matches
+      const isTouch = window.matchMedia('(pointer: coarse)').matches
+      if (isPortrait && isTouch && containerRef.current?.requestFullscreen) {
+        const so = screen.orientation as ScreenOrientation & { lock?: (o: string) => Promise<void> }
+        containerRef.current.requestFullscreen()
+          .then(() => so.lock?.('landscape'))
+          .catch(() => {})
+      }
+    } else {
+      const so = screen.orientation as ScreenOrientation & { unlock?: () => void }
+      try { so.unlock?.() } catch { /* not supported */ }
+      if (document.fullscreenElement) {
+        document.exitFullscreen().catch(() => {})
+      }
+    }
+  }, [isFullscreen])
 
   // ESC key to exit fullscreen
   useEffect(() => {
@@ -126,6 +155,17 @@ const CareerConstellation: React.FC<CareerConstellationProps> = ({
     return () => { document.body.style.overflow = '' }
   }, [isFullscreen])
 
+  // Sync state when native fullscreen is exited via browser controls
+  useEffect(() => {
+    const handler = () => {
+      if (!document.fullscreenElement && isFullscreen) {
+        setIsFullscreen(false)
+      }
+    }
+    document.addEventListener('fullscreenchange', handler)
+    return () => document.removeEventListener('fullscreenchange', handler)
+  }, [isFullscreen])
+
   // Focus trap when fullscreen
   useFocusTrap(containerRef, isFullscreen)
 
@@ -134,6 +174,8 @@ const CareerConstellation: React.FC<CareerConstellationProps> = ({
   const srDefault = isMobile ? MOBILE_SKILL_RADIUS_DEFAULT : Math.round(SKILL_RADIUS_DEFAULT * sf)
   const srActive = isMobile ? MOBILE_SKILL_RADIUS_ACTIVE : Math.round(SKILL_RADIUS_ACTIVE * sf)
 
+  // pinnedNodeIdRef is declared later but only accessed at call-time (not during render), so empty dep arrays are correct
+  /* eslint-disable react-hooks/exhaustive-deps */
   const resolveGraphFallback = useCallback(
     () => highlightedNodeIdRef.current ?? pinnedNodeIdRef.current,
     [],
@@ -148,6 +190,7 @@ const CareerConstellation: React.FC<CareerConstellationProps> = ({
     if (pId && pType && pType !== 'skill') return pId
     return null
   }, [])
+  /* eslint-enable react-hooks/exhaustive-deps */
 
   // Shared refs for hooks
   const highlightGraphRef = useRef<((activeNodeId: string | null) => void) | null>(null)

src/components/tiles/ProjectsTile.tsx

@@ -1,4 +1,6 @@
 import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import useEmblaCarousel from 'embla-carousel-react'
+import Autoplay from 'embla-carousel-autoplay'
 import { investigations } from '@/data/investigations'
 import { CardHeader } from '../Card'
 import { useDetailPanel } from '@/contexts/DetailPanelContext'
@@ -229,7 +231,129 @@ function ProjectItem({
   )
 }
 
-export function ProjectsCarousel() {
+// --- Embla slide-by-slide carousel for screens < 1024px ---
+
+function EmblaProjectsCarousel() {
+  const { openPanel } = useDetailPanel()
+  const wrapperRef = useRef<HTMLDivElement>(null)
+  const [wrapperWidth, setWrapperWidth] = useState(0)
+  const [selectedIndex, setSelectedIndex] = useState(0)
+  const [scrollSnaps, setScrollSnaps] = useState<number[]>([])
+
+  useEffect(() => {
+    const el = wrapperRef.current
+    if (!el) return
+    const update = () => {
+      const w = el.clientWidth
+      if (w > 0) setWrapperWidth(w)
+    }
+    update()
+    const obs = new ResizeObserver(update)
+    obs.observe(el)
+    return () => obs.disconnect()
+  }, [])
+
+  const slidesPerView = wrapperWidth < 480 ? 1 : 2
+  const slideWidth = slidesPerView === 1 ? '100%' : 'calc(50% - 6px)'
+  const cardMinHeight = wrapperWidth < 480 ? 148 : wrapperWidth < 640 ? 168 : 182
+
+  const [emblaRef, emblaApi] = useEmblaCarousel(
+    { loop: true, align: 'start' },
+    [Autoplay({ delay: 4000, stopOnInteraction: false, stopOnMouseEnter: true })],
+  )
+
+  useEffect(() => {
+    if (!emblaApi || typeof window === 'undefined') return
+    const mq = window.matchMedia('(prefers-reduced-motion: reduce)')
+    const sync = () => {
+      const autoplay = emblaApi.plugins()?.autoplay
+      if (!autoplay) return
+      if (mq.matches) autoplay.stop()
+      else autoplay.play()
+    }
+    sync()
+    mq.addEventListener('change', sync)
+    return () => mq.removeEventListener('change', sync)
+  }, [emblaApi])
+
+  useEffect(() => {
+    emblaApi?.reInit()
+  }, [emblaApi, slidesPerView])
+
+  const onSelect = useCallback(() => {
+    if (!emblaApi) return
+    setSelectedIndex(emblaApi.selectedScrollSnap())
+  }, [emblaApi])
+
+  useEffect(() => {
+    if (!emblaApi) return
+    const updateSnaps = () => {
+      setScrollSnaps(emblaApi.scrollSnapList())
+      setSelectedIndex(emblaApi.selectedScrollSnap())
+    }
+    updateSnaps()
+    emblaApi.on('select', onSelect)
+    emblaApi.on('reInit', updateSnaps)
+    return () => {
+      emblaApi.off('select', onSelect)
+      emblaApi.off('reInit', updateSnaps)
+    }
+  }, [emblaApi, onSelect])
+
+  return (
+    <div ref={wrapperRef}>
+      <div ref={emblaRef} style={{ overflow: 'hidden' }}>
+        <div style={{ display: 'flex', gap: '12px' }}>
+          {investigations.map((project) => (
+            <ProjectItem
+              key={project.id}
+              project={project}
+              slideWidth={slideWidth}
+              cardMinHeight={cardMinHeight}
+              onClick={() => openPanel({ type: 'project', investigation: project })}
+            />
+          ))}
+        </div>
+      </div>
+      {scrollSnaps.length > 1 && (
+        <div
+          style={{
+            display: 'flex',
+            justifyContent: 'center',
+            gap: '6px',
+            marginTop: '12px',
+          }}
+        >
+          {scrollSnaps.map((_, index) => (
+            <button
+              key={index}
+              type="button"
+              aria-label={`Go to slide ${index + 1}`}
+              onClick={() => emblaApi?.scrollTo(index)}
+              style={{
+                width: index === selectedIndex ? '16px' : '6px',
+                height: '6px',
+                borderRadius: '3px',
+                border: 'none',
+                padding: 0,
+                cursor: 'pointer',
+                background:
+                  index === selectedIndex
+                    ? 'var(--accent-primary, #00897B)'
+                    : 'var(--border-light, #d1d5db)',
+                transition: 'all 0.3s ease',
+              }}
+            />
+          ))}
+        </div>
+      )}
+    </div>
+  )
+}
+
+// --- Continuous scroll carousel for screens >= 1024px ---
+
+function ContinuousScrollCarousel() {
   const { openPanel } = useDetailPanel()
   const viewportRef = useRef<HTMLDivElement | null>(null)
   const trackRef = useRef<HTMLDivElement | null>(null)
@@ -245,95 +369,64 @@ export function ProjectsCarousel() {
 
   useEffect(() => {
     const viewportEl = viewportRef.current
-    if (!viewportEl || typeof window === 'undefined') {
+    if (!viewportEl || typeof window === 'undefined') return
-      return
-    }
-
     const updateWidth = () => {
       const nextWidth = viewportEl.clientWidth
-      if (nextWidth > 0) {
+      if (nextWidth > 0) setViewportWidth(nextWidth)
-        setViewportWidth(nextWidth)
-      }
     }
     updateWidth()
-
     if (typeof ResizeObserver !== 'undefined') {
       const observer = new ResizeObserver(() => updateWidth())
       observer.observe(viewportEl)
       return () => observer.disconnect()
     }
-
     window.addEventListener('resize', updateWidth)
     return () => window.removeEventListener('resize', updateWidth)
   }, [])
 
   useEffect(() => {
-    if (typeof window === 'undefined') {
+    if (typeof window === 'undefined') return
-      return
-    }
-
     const mediaQuery = window.matchMedia('(prefers-reduced-motion: reduce)')
     const syncMotionPreference = () => setPrefersReducedMotion(mediaQuery.matches)
-
     syncMotionPreference()
     mediaQuery.addEventListener('change', syncMotionPreference)
-
     return () => mediaQuery.removeEventListener('change', syncMotionPreference)
   }, [])
 
   useEffect(() => {
     const trackEl = trackRef.current
     const firstSetEl = firstSetRef.current
-    if (!trackEl || !firstSetEl || prefersReducedMotion) {
+    if (!trackEl || !firstSetEl || prefersReducedMotion) return
-      return
-    }
-
     let animationFrameId = 0
     let lastTime = 0
-    const speedPxPerSecond = viewportWidth < 768 ? 18 : 24
+    const speedPxPerSecond = 24
-
     const tick = (timestamp: number) => {
-      if (!lastTime) {
+      if (!lastTime) lastTime = timestamp
-        lastTime = timestamp
-      }
       const deltaSeconds = (timestamp - lastTime) / 1000
       lastTime = timestamp
-
       if (!isPausedRef.current) {
         const setWidth = firstSetEl.offsetWidth
         if (setWidth > 0) {
           offsetRef.current += speedPxPerSecond * deltaSeconds
-          if (offsetRef.current >= setWidth) {
+          if (offsetRef.current >= setWidth) offsetRef.current -= setWidth
-            offsetRef.current -= setWidth
-          }
           trackEl.style.transform = `translate3d(-${offsetRef.current}px, 0, 0)`
         }
       }
-
       animationFrameId = window.requestAnimationFrame(tick)
     }
-
     animationFrameId = window.requestAnimationFrame(tick)
     return () => window.cancelAnimationFrame(animationFrameId)
   }, [prefersReducedMotion, viewportWidth])
 
-  const cardsPerView = useMemo(() => {
-    if (viewportWidth < 480) return 1
-    if (viewportWidth < 768) return 2
-    return 4
-  }, [viewportWidth])
-
   const slideWidth = useMemo(() => {
+    const cardsPerView = 4
     const gap = 12
     const totalGap = (cardsPerView - 1) * gap
     const computedWidth = (viewportWidth - totalGap) / cardsPerView
     return `${Math.max(computedWidth, 0)}px`
-  }, [cardsPerView, viewportWidth])
+  }, [viewportWidth])
 
   const cardMinHeight = useMemo(() => {
-    if (viewportWidth < 480) return 148
-    if (viewportWidth < 640) return 168
-    if (viewportWidth < 1024) return 182
     if (viewportWidth < 1440) return 196
     return 214
   }, [viewportWidth])
@@ -343,9 +436,6 @@ export function ProjectsCarousel() {
   }
 
   return (
-    <div style={{ marginTop: '28px' }}>
-      <CardHeader dotColor="amber" title="SIGNIFICANT INTERVENTIONS" />
-
     <div
       ref={viewportRef}
       style={{ overflow: 'hidden' }}
@@ -386,6 +476,30 @@ export function ProjectsCarousel() {
         ))}
       </div>
     </div>
+  )
+}
+
+// --- Main export ---
+
+export function ProjectsCarousel() {
+  const [isSmallScreen, setIsSmallScreen] = useState(() =>
+    typeof window !== 'undefined'
+      ? window.matchMedia('(max-width: 1023px)').matches
+      : false,
+  )
+
+  useEffect(() => {
+    const mq = window.matchMedia('(max-width: 1023px)')
+    const handler = () => setIsSmallScreen(mq.matches)
+    setIsSmallScreen(mq.matches)
+    mq.addEventListener('change', handler)
+    return () => mq.removeEventListener('change', handler)
+  }, [])
+
+  return (
+    <div style={{ marginTop: '28px' }}>
+      <CardHeader dotColor="amber" title="SIGNIFICANT INTERVENTIONS" />
+      {isSmallScreen ? <EmblaProjectsCarousel /> : <ContinuousScrollCarousel />}
     </div>
   )
 }

src/contexts/AccessibilityContext.tsx

@@ -71,6 +71,7 @@ export function AccessibilityProvider({ children }: { children: ReactNode }) {
   )
 }
 
+// eslint-disable-next-line react-refresh/only-export-components
 export function useAccessibility() {
   const context = useContext(AccessibilityContext)
   if (!context) {

src/contexts/DetailPanelContext.tsx

@@ -43,6 +43,7 @@ export function DetailPanelProvider({ children }: DetailPanelProviderProps) {
   )
 }
 
+// eslint-disable-next-line react-refresh/only-export-components
 export function useDetailPanel(): DetailPanelContextValue {
   const context = useContext(DetailPanelContext)
   if (!context) {

src/hooks/useForceSimulation.ts

@@ -621,7 +621,7 @@ export function useForceSimulation(
     return () => {
       simulation.stop()
     }
-  }, [dimensions, options])
+  }, [dimensions, options, svgRef])
 
   return {
     simulationRef,

src/hooks/useTimelineAnimation.ts

@@ -408,7 +408,7 @@ export function useTimelineAnimation(deps: UseTimelineAnimationDeps) {
     }
 
     rafIdRef.current = requestAnimationFrame(waitForSettle)
-  }, [deps.simulationRef, deps.nodeSelectionRef, deps.linkSelectionRef, deps.connectorSelectionRef, deps.yearIndicatorRef, hideAll, revealStep, scheduleTimeout])
+  }, [deps.simulationRef, hideAll, revealStep, scheduleTimeout])
 
   const togglePlayPause = useCallback(() => {
     if (prefersReducedMotion) return

src/index.css

@@ -441,7 +441,7 @@ html {
 /* Tablet+: 2 columns */
 @media (min-width: 768px) {
   .pathway-columns {
-    grid-template-columns: minmax(0, 2fr) minmax(0, 3.5fr);
+    grid-template-columns: minmax(0, 3fr) minmax(0, 3.5fr);
     align-items: start;
     gap: 22px;
   }