miracles_in_motion/src/components/ui/LogoMark.tsx

export type LogoMarkVariant = 'nav' | 'footer' | 'square'

export interface LogoMarkProps {
  /** nav: symbol on mobile, horizontal on md+; footer: symbol on xs, horizontal on sm+ */
  variant?: LogoMarkVariant
  className?: string
}

const BRAND = {
  symbolNavSvg: '/brand/logo-symbol-nav.svg',
  symbolNav: '/brand/logo-symbol-nav.png',
  horizontalNavSvg: '/brand/logo-horizontal-nav.svg',
  horizontalNav: '/brand/logo-horizontal-nav.png',
  horizontalNavWebp: '/brand/logo-horizontal-nav.webp',
  horizontal: '/brand/logo-horizontal.png',
  square: '/brand/logo-square.png',
} as const

function ResponsiveLockup({
  symbolClassName,
  horizontalClassName,
}: {
  symbolClassName: string
  horizontalClassName: string
}) {
  return (
    <>
      <picture className={symbolClassName}>
        <source srcSet={BRAND.symbolNavSvg} type="image/svg+xml" />
        <img
          src={BRAND.symbolNav}
          alt=""
          className="logo-mark__img logo-mark__img--symbol"
          width={256}
          height={256}
          decoding="async"
          fetchPriority="high"
        />
      </picture>
      <picture className={horizontalClassName}>
        <source srcSet={BRAND.horizontalNavSvg} type="image/svg+xml" />
        <source srcSet={BRAND.horizontalNavWebp} type="image/webp" />
        <img
          src={BRAND.horizontalNav}
          alt=""
          className="logo-mark__img logo-mark__img--horizontal"
          width={1024}
          height={354}
          decoding="async"
          fetchPriority="high"
        />
      </picture>
    </>
  )
}

export function LogoMark({ variant = 'nav', className = '' }: LogoMarkProps) {
  const isDecorative = variant === 'nav' || variant === 'footer'

  if (variant === 'nav') {
    return (
      <span
        className={['logo-mark', 'logo-mark--nav', className].filter(Boolean).join(' ')}
        aria-hidden={true}
      >
        <ResponsiveLockup
          symbolClassName="logo-mark__img-wrap logo-mark__img-wrap--symbol block md:hidden"
          horizontalClassName="logo-mark__img-wrap logo-mark__img-wrap--horizontal hidden md:block"
        />
      </span>
    )
  }

  if (variant === 'footer') {
    return (
      <span
        className={['logo-mark', 'logo-mark--footer', className].filter(Boolean).join(' ')}
        aria-hidden={true}
      >
        <ResponsiveLockup
          symbolClassName="logo-mark__img-wrap logo-mark__img-wrap--symbol block sm:hidden"
          horizontalClassName="logo-mark__img-wrap logo-mark__img-wrap--horizontal hidden sm:block"
        />
      </span>
    )
  }

  return (
    <span
      className={['logo-mark', 'logo-mark--square', className].filter(Boolean).join(' ')}
      aria-hidden={isDecorative || undefined}
    >
      <img
        src={BRAND.square}
        alt={isDecorative ? '' : 'Miracles in Motion Foundation'}
        className="logo-mark__img"
        width={1024}
        height={1024}
        decoding="async"
      />
    </span>
  )
}

export default LogoMark