/* ==========================================================================
   Unykorn corporate trust surface — design system
   Dark, institutional, restrained. Tabular numerals for anything financial.
   Single stylesheet, no external fonts (system stack), print-friendly.
   ========================================================================== */

:root {
  --bg:        #06070a;
  --bg-2:      #0b0e14;
  --panel:     rgba(255,255,255,0.028);
  --panel-2:   rgba(255,255,255,0.045);
  --line:      rgba(255,255,255,0.09);
  --line-2:    rgba(255,255,255,0.14);
  --ink:       #f4f6fb;
  --ink-2:     rgba(244,246,251,0.66);
  --ink-3:     rgba(244,246,251,0.42);
  --accent:    #6ea8ff;
  --accent-2:  #9b7bff;
  --good:      #4ade80;
  --warn:      #fbbf24;
  --danger:    #f87171;
  --radius:    14px;
  --radius-sm: 9px;
  --maxw:      1120px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(110,168,255,0.10), transparent 60%),
    radial-gradient(900px 600px at 6% 4%, rgba(155,123,255,0.08), transparent 55%),
    var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 650; margin: 0 0 .5em; }
p { margin: 0 0 1em; color: var(--ink-2); }
strong { color: var(--ink); font-weight: 600; }
code { font-family: var(--mono); font-size: .88em; background: var(--panel-2); padding: .12em .4em; border-radius: 5px; border: 1px solid var(--line); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.tnum { font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 14px;
}
.muted { color: var(--ink-3); }

/* ---- Header --------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  background: rgba(6,7,10,0.72);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 680; letter-spacing: -0.02em; color: var(--ink); font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 24px; height: 24px; border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-block; box-shadow: 0 0 24px rgba(110,168,255,.35);
}
.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: var(--ink-2); font-size: 14.5px; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav .btn { margin-left: 4px; }
.nav-toggle { display: none; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 560;
  border: 1px solid var(--line-2); color: var(--ink); background: var(--panel-2);
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.btn--primary { background: linear-gradient(135deg, rgba(110,168,255,.22), rgba(155,123,255,.22)); border-color: rgba(110,168,255,.5); }
.btn--ghost { background: transparent; }

/* ---- Hero ----------------------------------------------------------------- */
.hero { padding: 96px 0 40px; }
.hero h1 { font-size: clamp(34px, 6vw, 60px); max-width: 15ch; }
.hero__lede { font-size: clamp(17px, 2.3vw, 21px); color: var(--ink-2); max-width: 58ch; margin-top: 4px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

/* ---- Claims (three pillars) ---------------------------------------------- */
.claims { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 40px 0; }
.claim { background: var(--bg-2); padding: 28px 26px; }
.claim h3 { font-size: 17px; margin-bottom: 8px; }
.claim p { font-size: 14.5px; margin-bottom: 14px; }
.claim__proof { font-family: var(--mono); font-size: 12.5px; letter-spacing: .02em; }

/* ---- Live metrics --------------------------------------------------------- */
.metrics-band { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 8px 0 48px; }
[data-live-metrics] { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.metric { background: var(--bg-2); padding: 24px 22px; }
.metric__value { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: clamp(22px, 3.4vw, 30px); color: var(--ink); font-weight: 600; }
.metric__label { margin-top: 6px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.metric__footnote { grid-column: 1 / -1; background: rgba(11,14,20,0.6); padding: 10px 22px; font-size: 11.5px; color: var(--ink-3); }

/* ---- Sections & cards ----------------------------------------------------- */
.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section--tight { padding: 40px 0; }
.section__head { max-width: 62ch; margin-bottom: 30px; }
.section__head h2 { font-size: clamp(24px, 3.6vw, 34px); }
.grid { display: grid; gap: 18px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.card:hover { border-color: var(--line-2); background: var(--panel-2); }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14.5px; margin-bottom: 10px; }
.card a.card__more { font-family: var(--mono); font-size: 12.5px; }
.card__tag { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--line-2); border-radius: 999px; padding: 3px 10px; margin-bottom: 14px; }

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---- Prose (interior pages) ---------------------------------------------- */
.prose { max-width: 74ch; }
.prose h2 { font-size: 25px; margin-top: 44px; padding-top: 8px; }
.prose h3 { font-size: 18px; margin-top: 30px; color: var(--ink); }
.prose ul, .prose ol { color: var(--ink-2); padding-left: 20px; margin: 0 0 1.2em; }
.prose li { margin-bottom: 8px; }
.prose li::marker { color: var(--accent); }

.lead { font-size: 18px; color: var(--ink-2); max-width: 66ch; }
.pagehead { padding: 84px 0 8px; }
.pagehead h1 { font-size: clamp(30px, 5vw, 46px); }

/* ---- Tables --------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); margin: 22px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; background: rgba(255,255,255,0.02); }
tr:last-child td { border-bottom: 0; }
td.mono, td .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---- Definition rows (entity identifiers) -------------------------------- */
.idrow { display: grid; grid-template-columns: 180px 1fr auto; gap: 14px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--line); }
.idrow:last-child { border-bottom: 0; }
.idrow__k { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.idrow__v { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); word-break: break-all; }

/* ---- Callouts ------------------------------------------------------------- */
.callout { border: 1px solid var(--line-2); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); background: var(--panel); padding: 16px 18px; margin: 22px 0; font-size: 14.5px; }
.callout--warn { border-left-color: var(--warn); }
.callout strong { color: var(--ink); }

/* ---- Status pills --------------------------------------------------------- */
.pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 12px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line-2); }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); }
.pill--live::before { background: var(--good); box-shadow: 0 0 10px var(--good); }
.pill--progress::before { background: var(--warn); }
.pill--planned::before { background: var(--ink-3); }

/* ---- FAQ ------------------------------------------------------------------ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 560; color: var(--ink); list-style: none; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; font-family: var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details > p { padding: 0 0 16px; }

/* ---- Forms ---------------------------------------------------------------- */
.form { max-width: 560px; display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.field input, .field select, .field textarea {
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 10px;
  color: var(--ink); padding: 12px 13px; font: inherit; font-size: 15px;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field textarea { min-height: 120px; resize: vertical; }

/* ---- Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 52px 0 40px; background: rgba(0,0,0,0.25); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.footer-grid h4 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 9px; }
.footer-grid a { color: var(--ink-2); font-size: 14px; }
.footer-grid a:hover { color: var(--ink); text-decoration: none; }
.footer-legal { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; font-size: 12.5px; color: var(--ink-3); }
.footer-legal .mono { color: var(--ink-2); }

/* ---- Utilities ------------------------------------------------------------ */
.stack-sm > * + * { margin-top: 8px; }
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.hr { height: 1px; background: var(--line); border: 0; margin: 40px 0; }

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
  .claims { grid-template-columns: 1fr; }
  [data-live-metrics] { grid-template-columns: repeat(2, 1fr); }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .idrow { grid-template-columns: 1fr; gap: 4px; }
  .nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: rgba(6,7,10,0.98); border-bottom: 1px solid var(--line); padding: 8px 24px 18px; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin: 12px 0 0; justify-content: center; }
  .site-header__inner.open .nav { display: flex; }
  .nav-toggle { display: inline-flex; margin-left: auto; background: transparent; border: 1px solid var(--line-2); color: var(--ink); border-radius: 8px; padding: 8px 12px; font: inherit; cursor: pointer; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 24px; }
}
@media print {
  body { background: #fff; color: #000; }
  .site-header, .site-footer, .hero__cta, .nav { display: none; }
  a { color: #000; }
}