hanzo.ai/app/(marketing)/careers/page.tsx

"use client"

/**
 * /careers — the openings, the terms, and how hiring runs.
 *
 * NO TAILWIND. The four section frames are `components/marketing/band`'s `Band`
 * and `Head`; @hanzo/ui's marketing components carry the type and the controls
 * (`Display`, `Lede`, `Title`, `Chip`, `Action`, `Leaf`, `Line`); everything
 * left is gui props over @hanzo/design's tokens.
 */

import { useState, useEffect, type FormEvent } from "react"
import { motion } from "@/components/motion"
import {
  Briefcase,
  Globe,
  Clock,
  MapPin,
  Users,
  Sparkles,
  ArrowRight,
  Heart,
  CheckCircle2,
  X,
  Share2,
  Check,
  ExternalLink,
} from "lucide-react"
import { Box, Button, Dialog, DialogContent, DialogTitle, Input, Text, Textarea, View, XStack, YStack } from '@hanzo/ui'
import { Grid } from '@hanzo/ui/grid'
import { Band, Head } from '@/components/marketing/band'
import { Action, Chip, Display, Lede, Title, Leaf, Lift, Line, type LineProps } from '@hanzo/ui/marketing'
import { api } from '@hanzo/app/lib/api'
import { track } from '@hanzo/app/lib/tags'
import { jobOpenings, getJobOpening, type JobOpening } from '@/lib/careers'
import { shownCareer } from '@/lib/launch'
import { ResumeAndConsent, resumeProblem, uploadResume } from './apply'

/** The two inks this page draws body copy in. */
const INK = 'var(--foreground)'
const DIM = 'var(--muted-foreground)'

/** The pair of controls that closes a section, wrapping on a phone. */
const ROW = { flexWrap: 'wrap', items: 'center', justify: 'center', gap: 16 } as const

/** The hairline tile, centred. */
const CARD = { rounded: 'var(--radius-xl)', borderWidth: 1, borderColor: 'var(--border)', bg: 'var(--secondary)', p: 24 } as const

/** A card's heading and the paragraph under it. */
const CardTitle = (p: LineProps) => (
  <Line render="h3" display="block" mb={8} fontSize="$4" lineHeight="1.5556" fontWeight="600" color={INK} {...p} />
)
const CardBody = (p: LineProps) => (
  <Line render="p" display="block" fontSize="$2" lineHeight="1.4286" color={DIM} {...p} />
)

/** A job card's own frame: `Leaf` with its edge drawn at rest and 24px inside. */
const OPENING = { p: 24, borderColor: "var(--border)", bg: "var(--secondary)" } as const

/** An icon on a tinted tile — the mark that opens a card. */
const TILE = {
  width: 48,
  height: 48,
  items: 'center',
  justify: 'center',
  rounded: 'var(--radius-lg)',
  '$platform-web': { backgroundColor: 'color-mix(in oklab, var(--pure-white) 10%, transparent)' },
} as const

/** The one fact line beside a job: a mark and a word. */
const Fact = (p: LineProps) => (
  <Line display="inline-flex" items="center" gap={4} whiteSpace="normal" fontSize="$2" lineHeight="1.4286" color={DIM} {...p} />
)

const benefits = [
  { icon: Globe, title: "Remote-first", description: "The team is distributed. Work from wherever you already live." },
  { icon: Clock, title: "Your own hours", description: "We care what you ship, not what time you were online." },
  { icon: Users, title: "Small team", description: "Few enough people that you own whole systems rather than tickets." },
  { icon: Sparkles, title: "The work is public", description: "Most of what we build is open source, under your own name." },
]

const hiringSteps = [
  { step: "1", title: "Application Review", description: "We review your resume and application materials" },
  { step: "2", title: "Initial Interview", description: "Get to know you and your experience" },
  { step: "3", title: "Technical Assessment", description: "Showcase your skills (no whiteboarding)" },
  { step: "4", title: "Final Interview", description: "Meet the team and discuss next steps" },
]

/** An address as https: one typed without a scheme gets https://, and cloud drops any other. */
const https = (u: string): string => {
  const t = u.trim()
  return !t || /^[a-z][a-z0-9+.-]*:/i.test(t) ? t : `https://${t}`
}

export default function CareersPage() {
  const [activeJob, setActiveJob] = useState<JobOpening | null>(null)
  const [copiedId, setCopiedId] = useState<string | null>(null)
  const [form, setForm] = useState({
    name: '',
    email: '',
    github: '',
    linkedin: '',
    location: '',
    resume: '',
    notes: '',
  })
  const [file, setFile] = useState<File | null>(null)
  const [consent, setConsent] = useState(false)
  const [busy, setBusy] = useState(false)
  const [sent, setSent] = useState(false)
  const [wrong, setWrong] = useState<string | null>(null)

  useEffect(() => {
    if (typeof window === 'undefined') return
    const params = new URLSearchParams(window.location.search)
    const applyId = params.get('apply')
    if (applyId) {
      const match = getJobOpening(applyId)
      if (match) setActiveJob(match)
    }
  }, [])

  const openApply = (job: JobOpening) => {
    setActiveJob(job)
    setSent(false)
    setWrong(null)
    if (typeof window !== 'undefined') {
      history.pushState(null, '', `?apply=${job.id}`)
    }
  }

  const closeApply = () => {
    setActiveJob(null)
    setSent(false)
    setWrong(null)
    if (typeof window !== 'undefined') {
      const url = new URL(window.location.href)
      url.searchParams.delete('apply')
      history.pushState(null, '', url.pathname + (url.hash || ''))
    }
  }

  const copyRoleLink = (jobId: string, e: React.MouseEvent) => {
    e.preventDefault()
    e.stopPropagation()
    if (typeof window !== 'undefined') {
      const origin = window.location.origin
      navigator.clipboard.writeText(`${origin}/careers/${jobId}`)
      setCopiedId(jobId)
      setTimeout(() => setCopiedId(null), 2000)
    }
  }

  const handleSubmit = async (e: FormEvent) => {
    e.preventDefault()
    if (busy) return
    if (!form.name.trim() || !form.email.trim() || !form.notes.trim()) {
      setWrong('Please fill in your name, email, and cover note / background.')
      return
    }
    const EMAIL_TEST = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
    if (!EMAIL_TEST.test(form.email.trim())) {
      setWrong('Please enter a valid email address.')
      return
    }
    if (file && resumeProblem(file)) {
      setWrong(resumeProblem(file))
      return
    }
    setWrong(null)
    setBusy(true)

    let resumeFile = ''
    try {
      if (file) resumeFile = await uploadResume(file)
    } catch {
      setWrong('Your resume did not upload. Please try again, or give a link instead.')
      setBusy(false)
      return
    }
    const payload = {
      name: form.name.trim(),
      email: form.email.trim(),
      role: activeJob?.title || 'Open Application',
      department: activeJob?.department || 'General',
      country: form.location.trim() || activeJob?.location || 'Remote',
      source: `hanzo.ai/careers/${activeJob?.id || 'open'}`,
      // An application to an opening is a candidate in the CRM (cloud apps/marketing
      // leads.go `job`): what the person wrote, their resume and their links, with no
      // call offered and nothing sent to the ad platforms.
      job: activeJob?.id || 'open',
      need: form.notes.trim(),
      resume: https(form.resume),
      links: [https(form.github), https(form.linkedin)].filter(Boolean),
      resume_file: resumeFile,
      consent,
    }

    try {
      const r = await fetch(`${api()}/v1/marketing/leads`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(payload),
      })
      if (!r.ok) throw new Error(`HTTP ${r.status}`)
      track('career_application_submitted', { role: payload.role, department: payload.department, slug: activeJob?.id })
      setSent(true)
    } catch (err) {
      track('career_application_submitted', { role: payload.role, department: payload.department, slug: activeJob?.id, error: String(err) })
      setWrong('Your application did not reach us. Please try again, or email it to [email protected].')
    } finally {
      setBusy(false)
    }
  }

  return (
    <Box minH="100vh" $platform-web={{ color: INK }}>
      <main>
        {/* Hero Section */}
        <Box
          render="section"
          position="relative"
          overflow="hidden"
          pt={96}
          pb={64}
          px={16}
          $md={{ px: 32 }}
          $lg={{ px: 48 }}
        >
          <View
            aria-hidden
            position="absolute"
            t={0}
            l="50%"
            x="-50%"
            width={800}
            height={400}
            backgroundImage="radial-gradient(circle, color-mix(in srgb, var(--primary) 12%, transparent) 0%, transparent 70%)"
            filter="blur(80px)"
            pointerEvents="none"
          />
          <Box position="relative" z="var(--z-raised)" width="100%" maxW={1024} mx="auto">
            <Box $platform-web={{ textAlign: 'center' }}>
              <Chip render={<motion.div initial={{ opacity: 0, y: 16 }} animate={{ opacity: 1, y: 0 }} transition={{ duration: 0.4 }} />} mb={24} px={12} py={4} fontSize="$1" lineHeight="1.3333" fontWeight="500" borderColor="var(--border)" bg="color-mix(in oklab, var(--pure-white) 20%, transparent)" color={INK}>
                <Heart width={14} height={14} />
                Careers
              </Chip>

              <Display render={<motion.h1 initial={{ opacity: 0, y: 16 }} animate={{ opacity: 1, y: 0 }} transition={{ duration: 0.4, delay: 0.05 }} />} mb={24}>
                Compilers, cryptography,<br />
                and the cloud they run on.
              </Display>

              <Lede render={<motion.p initial={{ opacity: 0, y: 16 }} animate={{ opacity: 1, y: 0 }} transition={{ duration: 0.4, delay: 0.1 }} />} mb={40} width="100%" maxW={768} mx="auto">
                Hanzo is a small team building an open AI cloud — the inference engine, the models, the backend services, and the agents that use them. Most of what we write is public, so you can read the codebase before you apply.
              </Lede>

              <XStack render={<motion.div initial={{ opacity: 0, y: 16 }} animate={{ opacity: 1, y: 0 }} transition={{ duration: 0.4, delay: 0.15 }} />} {...ROW}>
                <Action href="#open-positions" fill>
                  View Open Positions
                  <ArrowRight width={16} height={16} />
                </Action>
                <Action href="/about">
                  Read the history
                </Action>
              </XStack>
            </Box>
          </Box>
        </Box>

        {/* Benefits Section */}
        <Band rule={false} pad="$10" measure={1152} ground="color-mix(in oklab, var(--secondary) 20%, transparent)">
          <Head title="Benefits & Perks" lede="How the team actually works." />
          <Grid columns={{ min: 260, max: 4 }} gap={24}>
            {benefits.map((benefit, index) => {
              const Icon = benefit.icon
              return (
                <Box
                  key={benefit.title}
                  render={<motion.div initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} transition={{ delay: index * 0.1 }} />}
                  {...CARD}
                  $platform-web={{ textAlign: 'center' }}
                >
                  <XStack mb={16} mx="auto" {...TILE}>
                    <Icon width={24} height={24} color={INK} />
                  </XStack>
                  <CardTitle>{benefit.title}</CardTitle>
                  <CardBody>{benefit.description}</CardBody>
                </Box>
              )
            })}
          </Grid>
        </Band>

        {/* Open Positions Section */}
        <Band id="open-positions" rule={false} pad="$10" measure={1152}>
          <Head title="Open Positions" lede="Remote, unless the work needs hardware in a room." />
          <Grid columns={{ min: 320, max: 2 }} gap={24}>
            {jobOpenings.filter((job) => shownCareer(job.id)).map((job, index) => (
              <Leaf
                id={job.id}
                render={<motion.div initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} transition={{ delay: index * 0.05 }} />}
                key={job.id}
                {...OPENING}
              >
                <XStack items="flex-start" gap={16}>
                  <XStack shrink={0} {...TILE}>
                    <Briefcase width={24} height={24} color={INK} />
                  </XStack>
                  <YStack grow={1} shrink={1} flexBasis="0%">
                    <XStack items="center" justify="space-between" mb={8} gap={8}>
                      <Line href={`/careers/${job.id}`} color="inherit" whiteSpace="inherit">
                        <Lift render="h3" display="block" fontSize="$6" lineHeight="1.4" fontWeight="700">
                          {job.title}
                        </Lift>
                      </Line>
                      <Line
                        render="button"
                        type="button"
                        onClick={(e) => copyRoleLink(job.id, e)}
                        title="Copy direct link to this position"
                        display="inline-flex"
                        items="center"
                        p={4}
                        color={copiedId === job.id ? 'var(--primary)' : DIM}
                      >
                        {copiedId === job.id ? <Check size={16} /> : <Share2 size={16} />}
                      </Line>
                    </XStack>

                    <XStack gap={12} mb={12} flexWrap="wrap">
                      <Fact><MapPin width={16} height={16} /> {job.location}</Fact>
                      <Fact><Clock width={16} height={16} /> {job.type}</Fact>
                      <Fact><Users width={16} height={16} /> {job.department}</Fact>
                    </XStack>
                    <CardBody mb={16}>{job.description}</CardBody>

                    <XStack gap={12} flexWrap="wrap" items="center">
                      <Action
                        href={`/careers/${job.id}`}
                        onClick={(e) => {
                          e.preventDefault()
                          openApply(job)
                        }}
                        fill
                        self="flex-start"
                      >
                        Apply for this role
                        <ArrowRight width={16} height={16} />
                      </Action>
                      <Action
                        href={`/careers/${job.id}`}
                        self="flex-start"
                      >
                        View Details
                        <ExternalLink width={14} height={14} />
                      </Action>
                    </XStack>
                  </YStack>
                </XStack>
              </Leaf>
            ))}
          </Grid>
          <Box render={<motion.div initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} />} mt={32} $platform-web={{ textAlign: 'center' }}>
            <Line render="p" display="block" mb={16} color={DIM}>
              Don&apos;t see a position that fits your skills?
            </Line>
            <Action
              href="/careers/open"
              onClick={(e) => {
                e.preventDefault()
                const openRole = getJobOpening('open')
                if (openRole) openApply(openRole)
              }}
            >
              Submit Open Application
            </Action>
          </Box>
        </Band>

        {/* Hiring Process Section */}
        <Band rule={false} pad="$10" measure={896} ground="color-mix(in oklab, var(--secondary) 20%, transparent)">
          <Head title="Our Hiring Process" lede="No whiteboarding. Here is the whole thing." />
          <Grid columns={{ min: 180, max: 4 }} gap={24}>
            {hiringSteps.map((step, index) => (
              <Box
                key={step.step}
                render={<motion.div initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} transition={{ delay: index * 0.1 }} />}
                $platform-web={{ textAlign: 'center' }}
              >
                <XStack
                  mb={16}
                  mx="auto"
                  {...TILE}
                  rounded="var(--radius-full)"
                  $platform-web={{ backgroundColor: 'color-mix(in oklab, var(--pure-white) 20%, transparent)' }}
                >
                  <Line fontWeight="700" color={INK}>
                    {step.step}
                  </Line>
                </XStack>
                <CardTitle>{step.title}</CardTitle>
                <CardBody>{step.description}</CardBody>
              </Box>
            ))}
          </Grid>
        </Band>

        {/* CTA Section */}
        <Band rule={false} pad="$12" measure={896}>
          <View
            position="absolute"
            t={-160}
            r={-160}
            width={320}
            height={320}
            rounded="var(--radius-full)"
            filter="blur(64px)"
            pointerEvents="none"
            $platform-web={{ backgroundColor: 'color-mix(in oklab, var(--pure-white) 10%, transparent)' }}
          />
          <View
            position="absolute"
            b={-160}
            l={-160}
            width={320}
            height={320}
            rounded="var(--radius-full)"
            filter="blur(64px)"
            pointerEvents="none"
            $platform-web={{ backgroundColor: 'color-mix(in oklab, var(--pure-white) 5%, transparent)' }}
          />
          <Box position="relative" z="var(--z-raised)" $platform-web={{ textAlign: 'center' }}>
            <Title render={<motion.h2 initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} />} quiet mb={16}>Ready to join us?</Title>
            <Lede render={<motion.p initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} transition={{ delay: 0.1 }} />} mb={40} width="100%" maxW={672} mx="auto" mt="$3.5">
              If you have read the codebase and had opinions about it, we want to hear them.
            </Lede>
            <XStack render={<motion.div initial={{ opacity: 0, y: 20 }} whileInView={{ opacity: 1, y: 0 }} viewport={{ once: true }} transition={{ delay: 0.2 }} />} {...ROW}>
              <Action href="#open-positions" fill>
                Browse Open Positions
                <ArrowRight width={20} height={20} />
              </Action>
              <Action href="mailto:[email protected]">
                careers@hanzo.ai
              </Action>
            </XStack>
          </Box>
        </Band>

        <Dialog open={Boolean(activeJob)} onOpenChange={(o) => (!o ? closeApply() : undefined)}>
          <DialogContent
            showCloseButton={false}
            width="calc(100vw - 32px)"
            maxW={540}
            rounded="$6"
            p="$5"
            gap="$4"
            bg="var(--secondary)"
            borderWidth={1}
            borderColor="var(--border)"
          >
            <XStack items="center" justify="space-between" width="100%">
              <YStack gap="$1">
                <DialogTitle fontSize="$6" fontWeight="700" color={INK}>
                  {sent ? 'Application Received' : activeJob?.title}
                </DialogTitle>
                {!sent && activeJob ? (
                  <Text fontSize="$2" color={DIM}>
                    {activeJob.department} · {activeJob.location} · {activeJob.type}
                  </Text>
                ) : null}
              </YStack>
              <XStack
                render="button"
                aria-label="Close"
                p="$1.5"
                rounded="$3"
                hoverStyle={{ bg: 'var(--white-06)' }}
                cursor="pointer"
                onPress={closeApply}
              >
                <X size={18} color={INK} />
              </XStack>
            </XStack>

            {sent ? (
              <YStack gap="$4" py="$4" items="center">
                <CheckCircle2 size={48} color="var(--primary)" />
                <YStack gap="$2" items="center">
                  <Text fontSize="$4" fontWeight="600" color={INK}>
                    Thank you for applying!
                  </Text>
                  <Text fontSize="$2" color={DIM} maxW={420} $platform-web={{ textAlign: 'center' }}>
                    Your application for <Text fontWeight="600" color={INK}>{activeJob?.title}</Text> has been submitted to our team. We review submissions promptly and will reach out to <Text fontWeight="600" color={INK}>{form.email}</Text>.
                  </Text>
                  <Text fontSize="$1" color={DIM} mt="$2" $platform-web={{ textAlign: 'center' }}>
                    You can also email additional materials or portfolio samples directly to{' '}
                    <Text render="a" {...{ href: `mailto:[email protected]?subject=${encodeURIComponent(`Application: ${activeJob?.title} - ${form.name}`)}` }} color="var(--primary)" textDecorationLine="underline">
                      careers@hanzo.ai
                    </Text>.
                  </Text>
                </YStack>
                <Button variant="primary" onPress={closeApply} mt="$2">
                  Done
                </Button>
              </YStack>
            ) : (
              <YStack render="form" {...{ onSubmit: handleSubmit }} width="100%" gap={14}>
                <YStack gap="$1">
                  <Text fontSize="$2" fontWeight="500" color={INK}>
                    Full Name <Text render="span" color="var(--destructive)">*</Text>
                  </Text>
                  <Input
                    value={form.name}
                    onChange={(e) => setForm((f) => ({ ...f, name: e.target.value }))}
                    placeholder="Ada Lovelace"
                    required
                  />
                </YStack>

                <YStack gap="$1">
                  <Text fontSize="$2" fontWeight="500" color={INK}>
                    Work Email <Text render="span" color="var(--destructive)">*</Text>
                  </Text>
                  <Input
                    type="email"
                    value={form.email}
                    onChange={(e) => setForm((f) => ({ ...f, email: e.target.value }))}
                    placeholder="[email protected]"
                    required
                  />
                </YStack>

                <XStack gap="$3" flexWrap="wrap">
                  <YStack flex={1} minW={200} gap="$1">
                    <Text fontSize="$2" fontWeight="500" color={INK}>
                      GitHub / Portfolio
                    </Text>
                    <Input
                      value={form.github}
                      onChange={(e) => setForm((f) => ({ ...f, github: e.target.value }))}
                      placeholder="https://github.com/..."
                    />
                  </YStack>
                  <YStack flex={1} minW={200} gap="$1">
                    <Text fontSize="$2" fontWeight="500" color={INK}>
                      LinkedIn / Website
                    </Text>
                    <Input
                      value={form.linkedin}
                      onChange={(e) => setForm((f) => ({ ...f, linkedin: e.target.value }))}
                      placeholder="https://linkedin.com/in/..."
                    />
                  </YStack>
                </XStack>

                <YStack gap="$1">
                  <Text fontSize="$2" fontWeight="500" color={INK}>
                    Resume link
                  </Text>
                  <Input
                    value={form.resume}
                    onChange={(e) => setForm((f) => ({ ...f, resume: e.target.value }))}
                    placeholder="A link to your resume: PDF, Google Drive or Dropbox"
                  />
                </YStack>

                <ResumeAndConsent file={file} onFile={setFile} consent={consent} onConsent={setConsent} />

                <YStack gap="$1">
                  <Text fontSize="$2" fontWeight="500" color={INK}>
                    Location / Timezone
                  </Text>
                  <Input
                    value={form.location}
                    onChange={(e) => setForm((f) => ({ ...f, location: e.target.value }))}
                    placeholder="e.g. San Francisco, CA or Remote (UTC-8)"
                  />
                </YStack>

                <YStack gap="$1">
                  <Text fontSize="$2" fontWeight="500" color={INK}>
                    Background & Why Hanzo <Text render="span" color="var(--destructive)">*</Text>
                  </Text>
                  <Textarea
                    value={form.notes}
                    onChange={(e) => setForm((f) => ({ ...f, notes: e.target.value }))}
                    placeholder="Briefly tell us what systems you've built, open source work, or what interests you about our cloud and models."
                    rows={4}
                    required
                  />
                </YStack>

                {wrong ? (
                  <Text fontSize="$2" color="var(--destructive)">
                    {wrong}
                  </Text>
                ) : null}

                <XStack justify="space-between" items="center" mt="$2">
                  <Text
                    render="a"
                    {...{ href: `mailto:[email protected]?subject=${encodeURIComponent(`Application: ${activeJob?.title}`)}` }}
                    fontSize="$1"
                    color="var(--muted-foreground)"
                    textDecorationLine="underline"
                  >
                    Or email resume directly
                  </Text>
                  <XStack gap="$2">
                    <Button variant="ghost" size="sm" type="button" onPress={closeApply}>
                      Cancel
                    </Button>
                    <Button variant="primary" size="sm" type="submit" disabled={busy}>
                      {busy ? 'Submitting…' : 'Submit Application'}
                    </Button>
                  </XStack>
                </XStack>
              </YStack>
            )}
          </DialogContent>
        </Dialog>
      </main>
    </Box>
  )
}