Startup hero

import { ArrowRight } from 'lucide-react'
import { ButtonLink } from '@/components/ui/button'
import { Container } from '@/components/ui/layout'
import { Avatar, AvatarGroup } from '@/components/ui/avatar'
import { team } from '@/content/demo'

/**
 * Startup header
 *
 * Short, direct, and human: an oversized claim, one action, and social proof
 * built from faces rather than logos. Early-stage companies rarely have a
 * logo wall worth showing, so the proof here is who is already using it.
 */
export default function StartupHeader() {
  const names = team.slice(0, 5).map((member) => member.name)

  return (
    <header className="border-b border-line bg-canvas py-section">
      <Container size="narrow" className="text-center">
        <h1 className="display-type text-4xl leading-[1.08] font-semibold text-ink-strong sm:text-5xl">
          Stop rebuilding the same twenty components.
        </h1>
        <p className="mx-auto mt-5 max-w-lg text-md text-ink-muted sm:text-lg">
          Foundry gives a small team the component set a large one would take a year to write.
        </p>

        <div className="mt-8">
          <ButtonLink
            href="/starters/startup/preview"
            size="lg"
            trailingIcon={<ArrowRight className="size-4" />}
          >
            See the startup starter
          </ButtonLink>
        </div>

        <div className="mt-10 flex flex-col items-center gap-3">
          <AvatarGroup names={names} size="sm" label="Teams already building with Foundry" />
          <p className="text-sm text-ink-muted">
            Used by <span className="font-medium text-ink">240+ teams</span> in the demo universe
          </p>
        </div>

        <figure className="mx-auto mt-10 max-w-xl border-t border-line pt-8">
          <blockquote className="text-md text-ink italic">
            “Our first landing page took an afternoon. The second took forty minutes, because by
            then we were composing rather than building.”
          </blockquote>
          <figcaption className="mt-4 flex items-center justify-center gap-2.5 text-sm">
            <Avatar name="Jun Watanabe" size="sm" decorative />
            <span className="font-medium text-ink-strong">Jun Watanabe</span>
            <span className="text-ink-subtle">Product Lead, Kestrel</span>
          </figcaption>
        </figure>
      </Container>
    </header>
  )
}

import type { ReactNode } from 'react'
import { cn } from '@/lib/cn'
import { initials as toInitials } from '@/lib/format'

/**
 * Avatar / AvatarGroup
 *
 * Foundry ships no photography, so avatars render deterministic initials on a
 * tinted surface. The tint is derived from the name's character codes, which
 * keeps the same person the same colour on every page without a colour field
 * in the data.
 *
 * A decorative avatar next to a visible name is `aria-hidden`; a standalone
 * one exposes the name as its label.
 */
export interface AvatarProps {
  name: string
  size?: 'xs' | 'sm' | 'md' | 'lg' | 'xl'
  /** Suppresses the accessible name when the name is already on screen. */
  decorative?: boolean
  /** Small badge anchored bottom-right, e.g. a presence dot. */
  indicator?: ReactNode
  shape?: 'circle' | 'square'
  className?: string
}

const sizes = {
  xs: 'size-5 text-2xs',
  sm: 'size-7 text-2xs',
  md: 'size-9 text-xs',
  lg: 'size-12 text-sm',
  xl: 'size-16 text-lg',
} as const

const tints = [
  'bg-accent-soft text-accent-soft-ink',
  'bg-success-soft text-success',
  'bg-warning-soft text-warning',
  'bg-info-soft text-info',
  'bg-danger-soft text-danger',
  'bg-surface-sunken text-ink-muted',
] as const

function tintFor(name: string): string {
  let hash = 0
  for (let i = 0; i < name.length; i += 1) hash = (hash * 31 + name.charCodeAt(i)) % 997
  return tints[hash % tints.length] ?? tints[0]
}

export function Avatar({
  name,
  size = 'md',
  decorative = false,
  indicator,
  shape = 'circle',
  className,
}: AvatarProps) {
  return (
    <span className={cn('relative inline-flex shrink-0', className)}>
      <span
        role={decorative ? undefined : 'img'}
        aria-label={decorative ? undefined : name}
        aria-hidden={decorative || undefined}
        className={cn(
          'inline-flex items-center justify-center border border-line font-semibold select-none',
          shape === 'circle' ? 'rounded-full' : 'rounded-md',
          sizes[size],
          tintFor(name),
        )}
      >
        {toInitials(name)}
      </span>
      {indicator ? <span className="absolute -right-0.5 -bottom-0.5">{indicator}</span> : null}
    </span>
  )
}

export interface AvatarGroupProps {
  names: string[]
  size?: AvatarProps['size']
  /** Names beyond this count collapse into a "+n" chip. */
  max?: number
  className?: string
  label?: string
}

export function AvatarGroup({ names, size = 'sm', max = 4, className, label }: AvatarGroupProps) {
  const visible = names.slice(0, max)
  const overflow = names.length - visible.length

  return (
    <span
      className={cn('flex items-center', className)}
      role="group"
      aria-label={label ?? `${names.length} people`}
    >
      {visible.map((name) => (
        <span
          key={name}
          className="-ml-2 first:ml-0 ring-2 ring-[var(--color-surface)] rounded-full"
        >
          <Avatar name={name} size={size} decorative />
        </span>
      ))}
      {overflow > 0 ? (
        <span
          className={cn(
            '-ml-2 inline-flex items-center justify-center rounded-full border border-line bg-surface-sunken font-semibold text-ink-muted ring-2 ring-[var(--color-surface)]',
            sizes[size],
          )}
        >
          +{overflow}
        </span>
      ) : null}
      <span className="sr-only">{names.join(', ')}</span>
    </span>
  )
}