/* KDD Brands corporate hub — single stylesheet, no build step, no webfonts.
   Webfonts are deliberately avoided: every page here is text, the legal pages
   are the ones that must render instantly for a reviewer, and a blocking
   stylesheet request to fonts.googleapis.com buys nothing. */

:root {
  --bg:      #0d0e10;
  --bg-lift: #131518;
  --ink:     #e9e7e3;
  --muted:   #9a9894;
  --faint:   #6d6c69;
  --rule:    #23252a;
  --accent:  #c8a86b;
  --accent-dim: #8f7746;

  --serif: "Iowan Old Style", "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --measure: 68ch;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- layout ---------- */

.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding-inline: var(--pad);
}

.prose { max-width: var(--measure); }

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.25rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark .mark-kdd { color: var(--accent); }

.nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding-block: 0.25rem;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- hero ---------- */

.hero {
  padding-block: clamp(4rem, 12vw, 8.5rem) clamp(3rem, 8vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  max-width: 20ch;
}

.hero p {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 58ch;
  margin: 0 0 1rem;
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.5rem;
  font-weight: 600;
}

/* ---------- generic page header (legal, etc.) ---------- */

.page-head {
  padding-block: clamp(2.5rem, 7vw, 4.5rem) clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--rule);
}

.page-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.75rem;
  max-width: 24ch;
}

.page-head .lede {
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}

.crumb {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 1.25rem;
}

.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--accent); }

/* ---------- sections ---------- */

section { padding-block: clamp(3rem, 8vw, 5rem); }
section + section { border-top: 1px solid var(--rule); }

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 2.75rem 0 1rem;
}

h2:first-child { margin-top: 0; }

h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  margin: 2rem 0 0.6rem;
}

h4 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--accent);
  margin: 1.75rem 0 0.5rem;
}

p { margin: 0 0 1.1rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }

strong { font-weight: 600; color: #fff; }

ul, ol { margin: 0 0 1.1rem; padding-left: 1.35rem; }
li { margin-bottom: 0.5rem; }
li::marker { color: var(--faint); }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-lift);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.1em 0.35em;
  color: #d6cfc2;
  overflow-wrap: anywhere;
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

blockquote {
  margin: 1.5rem 0;
  padding: 0.9rem 1.25rem;
  border-left: 2px solid var(--accent-dim);
  background: var(--bg-lift);
  color: var(--muted);
}

blockquote p:last-child { margin-bottom: 0; }

/* ---------- tables (the legal pages lean on these heavily) ---------- */

.table-scroll {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--rule);
}

th {
  font-weight: 600;
  color: var(--ink);
  background: var(--bg-lift);
  white-space: nowrap;
}

td { color: var(--muted); }
td strong { color: var(--ink); font-weight: 600; }
tr:last-child td { border-bottom: 0; }

/* ---------- brand portfolio ---------- */

.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}

.brand-card {
  background: var(--bg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  transition: background 120ms ease;
}

a.brand-card:hover { background: var(--bg-lift); }

.brand-card .name {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.brand-card .sector {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.brand-card .blurb {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

.brand-card .host {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
  margin-top: auto;
  padding-top: 0.6rem;
}

a.brand-card:hover .host { color: var(--accent-dim); }

/* ---------- link list (hub index blocks) ---------- */

.link-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.link-list li { margin: 0; border-bottom: 1px solid var(--rule); }

.link-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1rem 0.25rem;
  text-decoration: none;
  color: var(--ink);
}

.link-list a:hover { color: var(--accent); }
.link-list .desc { color: var(--muted); font-size: 0.875rem; text-align: right; }

/* ---------- fact panel ---------- */

.facts {
  background: var(--bg-lift);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.5rem;
  margin: 1.75rem 0;
}

.facts dl { margin: 0; display: grid; gap: 0.85rem 1.5rem; }
@media (min-width: 34rem) { .facts dl { grid-template-columns: max-content 1fr; } }

.facts dt {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 600;
}

.facts dd { margin: 0; color: var(--ink); }

/* ---------- callout ---------- */

.note {
  border: 1px solid var(--rule);
  border-left: 2px solid var(--accent-dim);
  background: var(--bg-lift);
  border-radius: 0 4px 4px 0;
  padding: 1.1rem 1.35rem;
  margin: 1.75rem 0;
  font-size: 0.94rem;
}

.note p:last-child { margin-bottom: 0; }
.note .note-title {
  font-weight: 600;
  color: var(--ink);
  display: block;
  margin-bottom: 0.35rem;
}

/* ---------- table of contents ---------- */

.toc {
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  background: var(--bg-lift);
}

.toc h2 {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
  columns: 2;
  column-gap: 2rem;
  font-size: 0.9rem;
}

@media (max-width: 40rem) { .toc ol { columns: 1; } }

.toc li { margin-bottom: 0.3rem; break-inside: avoid; }

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--rule);
  padding-block: 3rem 4rem;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--faint);
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.foot-cols h2 {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.85rem;
  font-weight: 600;
}

.foot-cols ul { list-style: none; padding: 0; margin: 0; }
.foot-cols li { margin-bottom: 0.5rem; }
.foot-cols a { color: var(--faint); text-decoration: none; }
.foot-cols a:hover { color: var(--accent); }

.colophon {
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  line-height: 1.6;
}

.colophon p { margin: 0; max-width: 46ch; }

/* ---------- misc ---------- */

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: var(--pad);
  top: 0.5rem;
  z-index: 20;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 0.9rem;
  border-radius: 3px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.updated {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
  letter-spacing: 0.02em;
}

@media print {
  body { background: #fff; color: #000; }
  .masthead, .site-foot, .toc { display: none; }
  a { color: #000; }
}