/* Nexus Prism public site.
   Palette and typography are docs/brand/BRAND_GUIDE.md verbatim. Prism Teal
   existed only in documentation until the public datasets shipped; this is the
   second artifact to actually use it, and the site the portal should eventually
   be reconciled against.

   No webfont is fetched. See the note in build.py: a third-party font request
   on every page of a privacy-engineering company is a bad trade for typographic
   fidelity, so the stack degrades to the system UI face. */

:root {
  --brand:   #21B6A8;   /* Prism Teal */
  --ink:     #0B1220;   /* Deep Field */
  --surface: #111A2B;
  --text:    #E6EDF6;
  --text2:   #93A4BC;
  --rule:    #1E2B41;
  --cyan:    #06B6D4;   /* Signal Cyan  - links, focus */
  --violet:  #6F42C1;   /* Inference Violet - ML surfaces */
  --amber:   #F59E0B;   /* Caution */
  --crimson: #DC2626;   /* Critical */
  --green:   #2EA44F;   /* Verified */
  --ui:   Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
          "Liberation Mono", monospace;
  --wrap: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 17px/1.65 var(--ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--brand);
  color: var(--ink); padding: 10px 16px; z-index: 100; font-weight: 600;
}
.skip:focus { left: 0; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

code, kbd, samp, .mono { font-family: var(--mono); font-size: .92em; }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,18,32,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.bar { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 5px; }
.brand span { display: flex; flex-direction: column; line-height: 1.15; }
.brand b { font-size: 15px; font-weight: 650; letter-spacing: .2px; }
.brand em { font-style: normal; font-size: 11.5px; color: var(--brand);
            letter-spacing: 1.6px; text-transform: uppercase; }
.bar nav { display: flex; gap: 17px; margin-left: auto; }
.bar nav a { color: var(--text2); font-size: 13.5px; font-weight: 500; white-space: nowrap; }
.bar nav a:hover, .bar nav a.on { color: var(--text); text-decoration: none; }
.bar nav a.on { border-bottom: 2px solid var(--brand); padding-bottom: 3px; }
.cta {
  background: var(--brand); color: var(--ink); font-weight: 650;
  padding: 9px 17px; border-radius: 7px; font-size: 14.5px; white-space: nowrap;
}
.cta:hover { background: #2ad0c0; text-decoration: none; }

/* ---------- prose ---------- */
.prose { padding: 64px 24px 88px; max-width: 880px; }
.prose.legal { max-width: 800px; }
.prose h1 {
  font-size: clamp(34px, 5vw, 52px); line-height: 1.1; margin: 0 0 20px;
  letter-spacing: -.6px; font-weight: 700;
}
.prose h2 {
  font-size: clamp(24px, 3vw, 33px); line-height: 1.2; margin: 56px 0 16px;
  letter-spacing: -.3px; font-weight: 650;
}
.prose h3 {
  font-size: 20px; margin: 36px 0 10px; font-weight: 650; color: var(--brand);
}
.prose h4 { font-size: 16px; margin: 26px 0 8px; color: var(--text2);
            text-transform: uppercase; letter-spacing: 1.1px; }
.prose p { margin: 0 0 18px; color: #D3DEEB; }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 22px; color: #D3DEEB; }
.prose li { margin: 8px 0; }
.prose strong { color: var(--text); font-weight: 650; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 52px 0; }

.lede { font-size: 21px; line-height: 1.55; color: var(--text2);
        margin: 0 0 30px; }

blockquote {
  margin: 26px 0; padding: 18px 24px; border-left: 3px solid var(--brand);
  background: var(--surface); border-radius: 0 8px 8px 0; color: var(--text2);
}
blockquote p:last-child { margin-bottom: 0; }

.notice {
  background: rgba(245,158,11,.09); border: 1px solid rgba(245,158,11,.35);
  border-radius: 8px; padding: 13px 17px; font-size: 14.5px;
  color: #F0D5A0 !important;
}
.crumb { font-size: 13.5px; color: var(--text2); margin-bottom: 8px; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 15px; }
th, td { text-align: left; padding: 11px 13px; border-bottom: 1px solid var(--rule); }
th { color: var(--brand); font-weight: 650; font-size: 13px;
     text-transform: uppercase; letter-spacing: .7px; }
tbody tr:hover { background: rgba(33,182,168,.05); }

/* ---------- hero ---------- */
.hero { padding: 92px 0 74px; border-bottom: 1px solid var(--rule); }
.hero h1 { font-size: clamp(38px, 6vw, 62px); line-height: 1.05;
           letter-spacing: -1.2px; margin: 0 0 22px; }
.hero .lede { font-size: clamp(19px, 2.2vw, 24px); max-width: 760px; }
.hero .row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }

.btn { display: inline-block; padding: 13px 26px; border-radius: 8px;
       font-weight: 650; font-size: 16px; }
.btn.primary { background: var(--brand); color: var(--ink); }
.btn.primary:hover { background: #2ad0c0; text-decoration: none; }
.btn.ghost { border: 1px solid var(--rule); color: var(--text); }
.btn.ghost:hover { border-color: var(--brand); text-decoration: none; }

/* ---------- cards ---------- */
.cards { display: grid; gap: 20px; margin: 34px 0;
         grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--rule);
        border-radius: 11px; padding: 24px; }
.card h3 { margin: 0 0 9px; font-size: 17.5px; color: var(--brand); }
.card p { margin: 0; font-size: 15px; color: var(--text2); }

.stat { font-family: var(--mono); font-size: 30px; font-weight: 700;
        color: var(--brand); display: block; line-height: 1.2; }
.stat + span { font-size: 13.5px; color: var(--text2); }

/* ---------- pricing ---------- */
.tiers { display: grid; gap: 18px; margin: 34px 0;
         grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }
.tier { background: var(--surface); border: 1px solid var(--rule);
        border-radius: 11px; padding: 26px 22px; }
.tier.featured { border-color: var(--brand); }
.tier h3 { margin: 0 0 4px; color: var(--text); font-size: 18px; }
.tier .price { font-family: var(--mono); font-size: 33px; font-weight: 700;
               color: var(--brand); }
.tier .per { font-size: 13px; color: var(--text2); }
.tier ul { list-style: none; padding: 0; margin: 18px 0 0; font-size: 14.5px; }
.tier li { padding: 6px 0; border-bottom: 1px solid var(--rule);
           color: var(--text2); }
.tier li:last-child { border-bottom: 0; }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--rule); background: #080E1A;
              margin-top: 80px; padding: 52px 0 26px; }
footer .cols { display: grid; gap: 34px;
               grid-template-columns: 2fr 1fr 1fr 1fr; }
footer b { display: block; margin-bottom: 13px; font-size: 14px;
           color: var(--text); }
footer a { display: block; color: var(--text2); font-size: 14.5px;
           padding: 4px 0; }
footer a:hover { color: var(--brand); }
footer p { color: var(--text2); font-size: 14.5px; margin: 0 0 10px; }
.fine { display: flex; justify-content: space-between; flex-wrap: wrap;
        gap: 12px; margin-top: 40px; padding-top: 20px;
        border-top: 1px solid var(--rule); font-size: 13px;
        color: var(--text2); }

@media (max-width: 860px) {
  .bar { height: auto; padding: 14px 24px; flex-wrap: wrap; gap: 14px; }
  .bar nav { order: 3; width: 100%; margin-left: 0; overflow-x: auto;
             padding-bottom: 4px; }
  .cta { margin-left: auto; }
  footer .cols { grid-template-columns: 1fr 1fr; }
}