{% extends "base.html" %}

{% block announce %}
  <a href="/standards/" style="color: inherit; text-decoration: none;">
    🚀 <strong>CRP v3.0</strong> — 58 safety headers · IETF Internet-Drafts submitted ·
    <strong>IANA header registration in progress</strong> &nbsp;
    <span style="text-decoration:underline">Read the Standards Track →</span>
  </a>
{% endblock %}

{% block extrahead %}
  {{ super() }}

  {# ── Canonical URL ──────────────────────────────────────────────── #}
  <link rel="canonical" href="{{ page.canonical_url }}" />

  {# ── Open Graph / Twitter Card ─────────────────────────────────── #}
  <meta property="og:site_name" content="CRP™ — Context Relay Protocol" />
  <meta property="og:type" content="website" />
  <meta property="og:url" content="{{ page.canonical_url }}" />
  <meta property="og:title" content="{{ page.title }} | CRP™" />
  <meta property="og:description" content="{{ config.site_description }}" />
  <meta property="og:image" content="https://crprotocol.io/assets/og-image.png" />
  <meta name="twitter:card" content="summary_large_image" />
  <meta name="twitter:site" content="@autocyberai" />
  <meta name="twitter:title" content="{{ page.title }} | CRP™" />
  <meta name="twitter:description" content="{{ config.site_description }}" />
  <meta name="twitter:image" content="https://crprotocol.io/assets/og-image.png" />

  {# ── Security headers (meta fallback — primary at CDN/edge) ────── #}
  <meta http-equiv="X-Content-Type-Options" content="nosniff" />
  <meta http-equiv="X-Frame-Options" content="DENY" />
  <meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
  <meta http-equiv="Permissions-Policy" content="camera=(), microphone=(), geolocation=()" />

  {# ── Schema.org — Organisation (homepage only) ────────────────── #}
  {% if page.url == "." or page.url == "" %}
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "Organization",
    "name": "AutoCyber AI Pty Ltd",
    "alternateName": "CRP™ — Context Relay Protocol",
    "url": "https://crprotocol.io",
    "logo": "https://crprotocol.io/assets/logo.png",
    "description": "Authoring organisation of the Context Relay Protocol™ — the open HTTP-header standard for AI context governance, safety signalling, and compliance evidence.",
    "foundingDate": "2024",
    "areaServed": "Worldwide",
    "knowsAbout": [
      "AI safety",
      "AI governance",
      "EU AI Act compliance",
      "ISO/IEC 42001",
      "HTTP protocol design",
      "Context management for LLMs"
    ],
    "sameAs": [
      "https://github.com/Constantinos-uni/context-relay-protocol",
      "https://twitter.com/autocyberai",
      "https://www.linkedin.com/company/autocyberai",
      "https://www.autocyberai.com"
    ],
    "contactPoint": [
      {
        "@type": "ContactPoint",
        "email": "info@crprotocol.io",
        "contactType": "customer support"
      },
      {
        "@type": "ContactPoint",
        "email": "security@crprotocol.io",
        "contactType": "security"
      }
    ]
  }
  </script>
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "WebSite",
    "name": "CRP™ — Context Relay Protocol",
    "url": "https://crprotocol.io",
    "description": "The open HTTP-header standard for AI context governance, safety signalling, and automated compliance evidence.",
    "publisher": {
      "@type": "Organization",
      "name": "AutoCyber AI Pty Ltd"
    },
    "potentialAction": {
      "@type": "SearchAction",
      "target": {
        "@type": "EntryPoint",
        "urlTemplate": "https://crprotocol.io/?q={search_term_string}"
      },
      "query-input": "required name=search_term_string"
    }
  }
  </script>
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "SoftwareApplication",
    "name": "Context Relay Protocol™ (CRP)",
    "applicationCategory": "DeveloperApplication",
    "operatingSystem": "Cross-platform",
    "offers": {
      "@type": "Offer",
      "price": "0",
      "priceCurrency": "USD",
      "description": "Open-source under Elastic License 2.0"
    },
    "url": "https://crprotocol.io",
    "downloadUrl": "https://pypi.org/project/crprotocol/",
    "author": {
      "@type": "Organization",
      "name": "AutoCyber AI Pty Ltd"
    },
    "description": "Open HTTP-header standard for AI context governance, safety signalling, and automated compliance evidence."
  }
  </script>
  {% endif %}

  {# ── Schema.org — BreadcrumbList ──────────────────────────────── #}
  {% if page.toc %}
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      {
        "@type": "ListItem",
        "position": 1,
        "name": "Home",
        "item": "https://crprotocol.io/"
      },
      {
        "@type": "ListItem",
        "position": 2,
        "name": "{{ page.title }}",
        "item": "{{ page.canonical_url }}"
      }
    ]
  }
  </script>
  {% endif %}

  {# ── Accessibility: skip-link ─────────────────────────────────── #}
  <style>
    /* High-contrast focus rings for keyboard navigation */
    :focus-visible {
      outline: 3px solid #7c4dff;
      outline-offset: 2px;
    }

    /* Neurodivergent-friendly: readable font stack & spacing */
    .md-typeset {
      font-size: 1rem;
      line-height: 1.75;
      letter-spacing: 0.01em;
    }

    /* Slightly wider paragraph measure */
    .md-typeset p,
    .md-typeset li {
      max-width: 72ch;
    }

    /* Skip-to-content link */
    .skip-link {
      position: absolute;
      left: -9999px;
      top: auto;
      width: 1px;
      height: 1px;
      overflow: hidden;
      z-index: -999;
    }
    .skip-link:focus {
      position: fixed;
      top: 0;
      left: 0;
      width: auto;
      height: auto;
      padding: 0.75rem 1.25rem;
      background: #7c4dff;
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      z-index: 9999;
      text-decoration: none;
      border-radius: 0 0 6px 0;
    }

    /* Reduce motion for users who prefer it */
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
    }

    /* Improve table readability */
    .md-typeset table:not([class]) th {
      background-color: var(--md-primary-fg-color);
      color: var(--md-primary-bg-color);
    }
    .md-typeset table:not([class]) tr:nth-child(even) {
      background-color: var(--md-code-bg-color);
    }

    /* Dyslexia-friendly: avoid fully justified text */
    .md-typeset {
      text-align: left;
    }

    /* Sufficient colour contrast for muted text */
    .md-typeset .md-status {
      opacity: 0.9;
    }

    /* ── Navigation: prevent overflow on long docs-heavy sites ────── */
    /* Allow sidebar nav labels to wrap rather than truncate or push width */
    .md-nav__link {
      white-space: normal;
      word-break: break-word;
    }
    /* Compact spacing for deeply-nested nav items */
    .md-nav--secondary .md-nav__item {
      padding: 0;
    }
    /* If tabs are ever re-enabled, allow them to wrap on narrow viewports */
    .md-tabs__list {
      flex-wrap: wrap;
    }

    /* ── Footer: improved layout & legibility ─────────────────────── */
    .md-footer-meta {
      padding-top: 1rem;
      padding-bottom: 1rem;
    }
    .md-footer-copyright {
      font-size: 0.78rem;
      line-height: 1.65;
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 1rem;
    }
    .md-footer-copyright a {
      color: var(--md-accent-fg-color);
      text-decoration: none;
    }
    .md-footer-copyright a:hover,
    .md-footer-copyright a:focus {
      text-decoration: underline;
    }
    /* Social icons aligned + spaced */
    .md-social {
      padding: 0.5rem 0;
    }
    .md-social__link {
      margin-right: 0.25rem;
    }
  </style>
{% endblock %}

{% block content %}
  <a href="#main-content" class="skip-link" aria-label="Skip to main content">Skip to main content</a>
  <main id="main-content" tabindex="-1">
    {{ super() }}
  </main>
{% endblock %}