/*
  Design tokens, measured from the reference screenshots (closed and open overlay states).
  Colors sampled from the PNG pixels; sizes and positions measured in CSS pixels.

  Colors
    page background   #f7f7f7   (sampled)
    text              #363636   (sampled; 11.3:1 on the page background)
    secondary text    #5f6066   (5.9:1 on the page background)
    indigo underline  #513dc8   (sampled; 3px rule under the hero heading)
    navy              #101628   (sampled; hero button and overlay background)
    overlay link      #828590   (sampled; 4.9:1 on navy, passes AA without nudging)
    overlay rule      rgba(255,255,255,.15)  (sampled blend on navy: #2e364f)
    status red        #b42318   (6.1:1 on the page background)
    status green      #17702f   (5.5:1 on its badge background)

  Type
    mono    'IBM Plex Mono', 'Inconsolata', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace
    sans    Arial, Helvetica, sans-serif   (buttons, overlay secondary block)
    serif   Georgia, 'Times New Roman', Times, serif   (overlay links)
    hero heading 34px bold mono; hero paragraph 18px / 1.45 mono; button label 16px sans
    overlay links 44px serif, 60px between baselines (34px / 46px on phones)
    overlay secondary 18px sans, 32px between lines

  Layout
    header: mark at 30px from the left, centered 43px from the top;
            menu icon 45px wide, 2px lines 15px apart, 35px from the right
    content left offset 89px (24px on phones); hero heading top about 190px from the top
    hero paragraph column about 600px; button 186 x 44px, square corners
    overlay links start 107px from the left (28px on phones); secondary block 40px below
    no gradients, no rounded corners, no heavy shadows
*/
:root {
  --bg: #f7f7f7;
  --surface: #ffffff;
  --ink: #363636;
  --muted: #5f6066;
  --line: #dcdcdf;
  --indigo: #513dc8;
  --navy: #101628;
  --white: #ffffff;
  --nav-muted: #828590;
  --nav-rule: rgba(255, 255, 255, .15);
  --bad: #b42318;
  --bad-bg: #fdecea;
  --ok: #17702f;
  --ok-bg: #e8f5ec;

  --mono: 'IBM Plex Mono', 'Inconsolata', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: Arial, Helvetica, sans-serif;
  --serif: Georgia, 'Times New Roman', Times, serif;

  --header-h: 86px;
  --header-x: 30px;
  --toggle-right: 35px;
  --gutter: 89px;
  --content: 820px;
  --prose: 600px;
  --section-gap: 112px;
  --nav-x: 107px;
  --nav-link-size: 44px;
  --nav-link-step: 60px;
  --ease-out: cubic-bezier(.22, .61, .36, 1);
  --sbw: 0px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.nav-open { overflow: hidden; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 var(--mono);
  min-height: 100vh;
}
html.nav-open body { padding-right: var(--sbw); }
.hidden { display: none !important; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--indigo); outline-offset: 3px; }

/* Header */
.site-header {
  position: relative;
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0 var(--header-x);
}
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  color: #000; text-decoration: none;
  font: 700 20px/1 var(--sans); letter-spacing: -.2px;
}
.brand-mark {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px;
  background: #000; color: var(--white);
  font: 700 17px/1 var(--sans);
}
/* Fixed, so the menu stays reachable on this long page; at the top it sits where the header puts it.
   The page-colored square keeps the lines legible over content scrolling underneath. */
.menu-toggle {
  position: fixed;
  top: calc(var(--header-h) / 2 - 22px);
  right: var(--toggle-right);
  z-index: 1001;
  width: 45px; height: 44px; padding: 0;
  background: var(--bg); border: 0; cursor: pointer;
}
/* While the overlay is open (and while it fades out), the X sits on the navy. */
html.nav-open .menu-toggle,
html.nav-closing .menu-toggle { background: transparent; }
/* Scrolling is locked while open, so the scrollbar's width is added back to stay in place. */
html.nav-open .menu-toggle { right: calc(var(--toggle-right) + var(--sbw)); }
.menu-line {
  position: absolute; left: 0;
  width: 45px; height: 2px;
  background: var(--navy);
  transition: transform 400ms var(--ease-out), background-color 400ms var(--ease-out);
}
/* 2px lines with a 15px gap, centered in the 44px button. */
.menu-line:first-child { top: 12.5px; }
.menu-line:last-child { top: 29.5px; }
/* The two lines meet in the middle and turn into a 28px X (45px * .88 diagonal). */
.menu-toggle[aria-expanded="true"] .menu-line { background: var(--white); }
.menu-toggle[aria-expanded="true"] .menu-line:first-child { transform: translateY(8.5px) rotate(45deg) scaleX(.88); }
.menu-toggle[aria-expanded="true"] .menu-line:last-child { transform: translateY(-8.5px) rotate(-45deg) scaleX(.88); }
.menu-toggle:focus-visible { outline-color: var(--indigo); }
html.nav-open .menu-toggle:focus-visible { outline-color: var(--white); }

/* Page sections */
.page { padding: 0 var(--gutter) 64px; }
.page > * { max-width: var(--content); }
.hero { padding-top: calc(190px - var(--header-h)); }
.hero-title {
  display: inline-block;
  margin: 0;
  padding-bottom: 6px;
  border-bottom: 3px solid var(--indigo);
  font: 700 34px/1.2 var(--mono);
  letter-spacing: .5px;
}
.hero-lede {
  max-width: var(--prose);
  margin: 22px 0 0;
  font: 18px/1.45 var(--mono);
}
.btn-primary, .primary, .approve {
  min-width: 186px; height: 44px; padding: 0 22px;
  background: var(--navy); color: var(--white);
  border: 0; border-radius: 0; cursor: pointer;
  font: 16px var(--sans);
}
.hero .btn-primary { margin-top: 40px; }
.secondary, .reject {
  height: 44px; padding: 0 18px;
  background: transparent; color: var(--navy);
  border: 1px solid var(--navy); border-radius: 0; cursor: pointer;
  font: 16px var(--sans);
}
.reject { color: var(--bad); border-color: var(--bad); }
button:disabled { opacity: .55; cursor: wait; }

.section { margin-top: var(--section-gap); scroll-margin-top: 24px; }
/* Lets every section, including the last, scroll to the top when its overlay link is used. */
.section:last-child { min-height: calc(100vh - 96px); }
.section h2 { margin: 0 0 6px; font: 700 24px/1.3 var(--mono); }
.section h3 { margin: 0 0 4px; font: 700 18px/1.3 var(--mono); }
.sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.prose { max-width: var(--prose); margin: 14px 0 0; font: 16px/1.6 var(--mono); }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 14px; }
.hint { font-size: 13px; color: var(--muted); }
.tag, .label { font: 12px var(--mono); letter-spacing: .8px; text-transform: uppercase; }
.tag { color: var(--indigo); }
.label { display: block; color: var(--muted); margin-bottom: 8px; }

.banner {
  max-width: var(--content);
  margin-top: 40px; padding: 12px 14px;
  border-left: 3px solid var(--indigo);
  background: var(--surface);
  font-size: 14px;
}

/* Task input and permission manifest */
.textarea {
  display: block; width: 100%; min-height: 108px; resize: vertical;
  padding: 14px; border: 1px solid var(--line); border-radius: 0;
  background: var(--surface); color: var(--ink);
  font: 15px/1.5 var(--mono);
}
.textarea:focus { border-color: var(--indigo); outline: none; }
.manifest { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.manifest-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.perm { background: var(--surface); border: 1px solid var(--line); padding: 12px 14px; }
.value { font-size: 16px; }
.value small, .resource small { color: var(--muted); }
.resource { font-size: 13px; line-height: 1.8; }
.full { grid-column: 1 / -1; }
.time-input {
  width: 72px; padding: 4px 6px;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 0;
  font: 15px var(--mono);
}
.buttons { display: flex; gap: 12px; margin-top: 20px; }
.approve { flex: 1; }
details summary { cursor: pointer; margin-top: 10px; }

/* Red team and run audit */
.redteam-tag {
  display: inline-block; margin: 0 0 12px; padding: 5px 9px;
  border: 1px solid var(--bad); color: var(--bad);
  font: 700 12px var(--mono); letter-spacing: 1px;
}
.status { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; padding-top: 6px; }
.dot { width: 8px; height: 8px; background: #8a8c92; border-radius: 50%; flex: 0 0 auto; }
.dot.live { background: var(--ok); }
.dot.error { background: var(--bad); }
.events { margin-top: 18px; display: grid; gap: 8px; }
.event { display: flex; gap: 10px; font-size: 13px; line-height: 1.5; }
.event i { color: var(--indigo); font-style: normal; }
.report { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); }
.report pre { white-space: pre-wrap; overflow-wrap: anywhere; margin: 8px 0 14px; font: 13px/1.6 var(--mono); }
.outcome { margin: 4px 0 10px; color: var(--bad); font: 700 15px var(--mono); }
.chart { height: 170px; display: flex; align-items: end; gap: 12px; border-bottom: 1px solid var(--line); padding: 12px 4px 0; }
.barwrap { flex: 1; text-align: center; color: var(--muted); font-size: 11px; }
.bar { background: var(--indigo); min-height: 2px; margin-bottom: 7px; }
.table { font-size: 13px; color: var(--muted); margin-top: 12px; line-height: 1.8; }
.scorecard { width: 100%; border-collapse: collapse; margin: 8px 0; font: 13px/1.5 var(--mono); }
.scorecard th {
  text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--line);
  color: var(--muted); font-weight: 400; font-size: 11px; letter-spacing: .8px; text-transform: uppercase;
}
.scorecard td { padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.scorecard td:last-child { overflow-wrap: anywhere; }
.scorecard tr.blocked td { color: var(--bad); }
.badge { display: inline-block; padding: 1px 6px; font-weight: 700; white-space: nowrap; border: 1px solid; }
.badge.blocked { background: var(--bad-bg); color: var(--bad); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.nowrap { white-space: nowrap; }

/* Plain-language run report: a word label for each level (never color alone), then the sentence. */
#report-block { border-top: 0; padding-top: 0; }
.report-title { margin: 0 0 10px; font: 700 18px/1.3 var(--mono); }
.points { list-style: none; margin: 0; padding: 0; }
.point {
  display: grid; grid-template-columns: 84px 1fr; gap: 12px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--line);
}
.point-text { font: 14px/1.55 var(--mono); overflow-wrap: anywhere; }
.point-result .point-text { white-space: pre-wrap; font-weight: 700; }
.level {
  display: inline-block; justify-self: start;
  padding: 1px 6px; border: 1px solid;
  font: 700 11px/1.6 var(--mono); letter-spacing: .6px; white-space: nowrap;
}
.level-ok { background: var(--ok-bg); color: var(--ok); }
.level-note { background: var(--surface); color: var(--muted); border-color: var(--line); }
.level-blocked { background: var(--bad-bg); color: var(--bad); }
.level-problem { background: var(--bad); color: var(--white); border-color: var(--bad); }
.level-result { background: var(--indigo); color: var(--white); border-color: var(--indigo); }

/* Technical details: the raw record, collapsed by default. */
.tech-toggle {
  min-height: 44px; padding: 0; background: none; border: 0; cursor: pointer;
  color: var(--indigo); font: 700 14px var(--mono);
}
.tech-toggle::before { content: '▸'; display: inline-block; width: 1.2em; transition: transform 200ms var(--ease-out); }
.tech-toggle[aria-expanded="true"]::before { transform: rotate(90deg); }
.tech-details { margin-top: 8px; }
.danger { color: var(--bad); }

/* Footer */
.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding: 24px var(--gutter) 40px;
  color: var(--muted); font: 11px var(--mono); letter-spacing: .5px;
}
.inference-status { display: flex; align-items: center; gap: 8px; }

/* Overlay navigation */
.site-nav {
  position: fixed; inset: 0; z-index: 1000;
  overflow-y: auto;
  padding: 70px var(--nav-x) 48px;
  background: var(--navy);
  visibility: hidden; opacity: 0; transform: translateY(16px);
  transition: opacity 250ms ease-in, transform 250ms ease-in, visibility 0s linear 250ms;
}
.site-nav.open {
  visibility: visible; opacity: 1; transform: none;
  transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out), visibility 0s;
}
.nav-links { list-style: none; margin: 0; padding: 0; }
.nav-links li, .nav-meta {
  opacity: 0; transform: translateY(16px);
  transition: opacity 250ms ease-in, transform 250ms ease-in;
}
.site-nav.open .nav-links li, .site-nav.open .nav-meta {
  opacity: 1; transform: none;
  transition: opacity 400ms var(--ease-out) calc(80ms + var(--i) * 60ms),
              transform 400ms var(--ease-out) calc(80ms + var(--i) * 60ms);
}
.nav-links a {
  display: inline-block;
  color: var(--nav-muted); text-decoration: none;
  font: 400 var(--nav-link-size)/var(--nav-link-step) var(--serif);
  transition: color 200ms ease-out;
}
.nav-links a.active, .nav-links a:hover, .nav-links a:focus-visible { color: var(--white); }
.site-nav a:focus-visible { outline: 2px solid var(--white); outline-offset: 4px; }
.nav-meta {
  margin-top: 40px; padding-left: 20px;
  border-left: 1px solid var(--nav-rule);
  color: var(--nav-muted); font: 18px/32px var(--sans);
}
.nav-meta p { margin: 0; }
.nav-meta a { color: var(--nav-muted); text-decoration: none; }
.nav-meta a:hover, .nav-meta a:focus-visible { color: var(--white); }

@media (max-width: 760px) {
  :root {
    --header-x: 20px;
    --toggle-right: 20px;
    --gutter: 24px;
    --section-gap: 80px;
    --nav-x: 28px;
    --nav-link-size: 34px;
    --nav-link-step: 46px;
  }
  .hero { padding-top: 64px; }
  .hero-title { font-size: 30px; }
  .hero-lede { font-size: 17px; }
  .grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; gap: 4px; }
  .site-nav { padding-top: 96px; }
  /* Scorecard on phones: attempt, result and expected on one line, the detail full width below. */
  #scorecard, #scorecard tbody { display: block; }
  #scorecard tr {
    display: grid; grid-template-columns: 1fr auto auto; column-gap: 10px;
    padding: 6px 0; border-bottom: 1px solid var(--line);
  }
  #scorecard th, #scorecard td { padding: 2px 0; border-bottom: 0; }
  #scorecard th:last-child, #scorecard td:last-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0s !important;
    transition-delay: 0s !important;
    animation: none !important;
  }
}