/**
 * @name LANDING_SCRIPT
 * @description Tiny scroll-driven animation controller for the public protocol engine scene.
 */
export declare const LANDING_SCRIPT = "\n(() => {\n  const dropdowns = Array.from(document.querySelectorAll('[data-nav-dropdown]'));\n  const mobileToggle = document.querySelector('[data-mobile-nav-toggle]');\n  const mobilePanel = document.querySelector('#mobile-nav-panel');\n  const mobileCloseTargets = Array.from(document.querySelectorAll('[data-mobile-nav-close], [data-mobile-nav-link]'));\n  const setDetectedOs = () => {\n    const platform = String(navigator.platform || '').toLowerCase();\n    const userAgent = String(navigator.userAgent || '').toLowerCase();\n    const os = userAgent.includes('windows') || platform.includes('win')\n      ? 'windows'\n      : userAgent.includes('linux') || platform.includes('linux')\n        ? 'linux'\n        : 'macos';\n    document.documentElement.dataset.os = os;\n  };\n\n  setDetectedOs();\n\n  const setMobileNavOpen = (isOpen) => {\n    document.documentElement.classList.toggle('mobile-nav-open', isOpen);\n\n    if (mobileToggle) {\n      mobileToggle.setAttribute('aria-expanded', isOpen ? 'true' : 'false');\n      mobileToggle.setAttribute('aria-label', isOpen ? 'Close navigation' : 'Open navigation');\n    }\n\n    if (mobilePanel) {\n      mobilePanel.setAttribute('aria-hidden', isOpen ? 'false' : 'true');\n    }\n  };\n\n  if (mobileToggle) {\n    mobileToggle.addEventListener('click', () => {\n      setMobileNavOpen(!document.documentElement.classList.contains('mobile-nav-open'));\n    });\n  }\n\n  mobileCloseTargets.forEach((target) => {\n    target.addEventListener('click', () => {\n      setMobileNavOpen(false);\n    });\n  });\n\n  dropdowns.forEach((dropdown) => {\n    dropdown.addEventListener('toggle', () => {\n      if (!dropdown.open) {\n        return;\n      }\n\n      dropdowns.forEach((other) => {\n        if (other !== dropdown) {\n          other.open = false;\n        }\n      });\n    });\n  });\n\n  document.addEventListener('pointerdown', (event) => {\n    const target = event.target;\n    if (!(target instanceof Node)) {\n      return;\n    }\n\n    if (dropdowns.some((dropdown) => dropdown.contains(target))) {\n      return;\n    }\n\n    dropdowns.forEach((dropdown) => {\n      dropdown.open = false;\n    });\n  }, { passive: true });\n\n  document.addEventListener('keydown', (event) => {\n    if (event.key !== 'Escape') {\n      return;\n    }\n\n    dropdowns.forEach((dropdown) => {\n      dropdown.open = false;\n    });\n    setMobileNavOpen(false);\n  });\n\n  const scene = document.querySelector('[data-engine-scene]');\n  const machine = document.querySelector('[data-machine-section]');\n  if ((!scene && !machine) || window.matchMedia('(prefers-reduced-motion: reduce)').matches) {\n    return;\n  }\n\n  const clamp = (value, min, max) => Math.max(min, Math.min(max, value));\n  let ticking = false;\n\n  const update = () => {\n    if (scene) {\n      const rect = scene.getBoundingClientRect();\n      const progress = clamp((window.innerHeight - rect.top) / (window.innerHeight + rect.height), 0, 1);\n      scene.style.setProperty('--engine-tilt', String(-12 + progress * 20) + 'deg');\n      scene.style.setProperty('--engine-spin', String(progress * 48) + 'deg');\n      scene.style.setProperty('--orbit-a', String(progress * -120) + 'deg');\n      scene.style.setProperty('--orbit-b', String(progress * 150) + 'deg');\n      scene.style.setProperty('--orbit-c', String(progress * 90) + 'deg');\n      scene.style.setProperty('--chip-spread', String(progress * 24) + 'px');\n      scene.style.setProperty('--hero-glow', String(.14 + progress * .34));\n    }\n\n    if (machine) {\n      const rect = machine.getBoundingClientRect();\n      const progress = clamp((window.innerHeight - rect.top) / (window.innerHeight + rect.height), 0, 1);\n      machine.style.setProperty('--machine-progress', progress.toFixed(3));\n      machine.style.setProperty('--machine-open', String(progress * 150) + 'px');\n      machine.style.setProperty('--machine-rotate', String(-8 + progress * 16) + 'deg');\n      machine.style.setProperty('--machine-fade', String(.18 + progress * .82));\n      machine.style.setProperty('--machine-rail-scale', String(.4 + progress * .6));\n    }\n    ticking = false;\n  };\n\n  const requestUpdate = () => {\n    if (!ticking) {\n      window.requestAnimationFrame(update);\n      ticking = true;\n    }\n  };\n\n  update();\n  window.addEventListener('scroll', requestUpdate, { passive: true });\n  window.addEventListener('resize', requestUpdate);\n})();\n";
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