/* Shared stylesheet for the public /roles pages. Tokens mirror the platform's
   shipped Oxford-blue light theme (src/styles/global.css + the Astro landing).
   These pages are static and ungated; they must still read as the same product. */
:root {
  --bg: #ffffff;
  --paper-2: #fafbfc;
  --ink: #12151a;
  --ink-2: #4d545e;
  --ink-3: #6d7380;
  --hairline: #e3e6ea;
  --accent: #11457e;
  --accent-2: #002147;
  --accent-glow: rgba(17, 69, 126, 0.14);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --t-fast: 0.12s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; background: var(--bg); }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: var(--bg); }
a { color: var(--accent); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent-2); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.topbar__inner {
  max-width: 880px; margin: 0 auto; padding: 0.65rem 1.4rem;
  display: flex; align-items: baseline; gap: 1rem;
}
.brand {
  font-family: var(--mono); font-size: 0.84rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent);
  white-space: nowrap;
}
.crumb {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-3);
  padding-left: 0.8rem; border-left: 1px solid var(--hairline);
}
a.crumb:hover { color: var(--accent); }

main { max-width: 880px; margin: 0 auto; padding: 3.5rem 1.4rem 5rem; }
.prose { max-width: 70ch; }

.eyebrow {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: 0.7rem; margin: 0 0 1.2rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }

h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 500;
  letter-spacing: -0.03em; line-height: 1.06; margin: 0 0 0.8rem;
}
.meta {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 2.6rem;
}
.meta .sep { color: var(--hairline); padding: 0 0.35rem; }

.thesis p { font-size: 1.02rem; line-height: 1.65; color: var(--ink-2); margin: 0 0 1.15rem; }
.thesis p.lead { color: var(--ink); font-size: 1.08rem; }

.kpis {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent);
  background: var(--bg); margin: 2.4rem 0 0.9rem;
}
.kpi { padding: 1.3rem 1.1rem; border-right: 1px solid var(--hairline); }
.kpi:last-child { border-right: 0; }
.kpi__num {
  display: block; font-family: var(--mono); font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1; color: var(--accent);
  font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
  text-shadow: 0 0 16px var(--accent-glow);
}
.kpi__lbl {
  display: block; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-3); margin-top: 0.6rem; overflow-wrap: break-word;
}
.kpis-note { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-3); letter-spacing: 0.04em; margin: 0; }

section { margin-top: 3.2rem; }
h2 {
  font-size: 1.35rem; font-weight: 500; letter-spacing: -0.02em;
  margin: 0 0 1.2rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--hairline);
}
section p { color: var(--ink-2); line-height: 1.65; margin: 0 0 1rem; }
section p:last-child { margin-bottom: 0; }

ul.jd { list-style: none; margin: 0; padding: 0; }
ul.jd li {
  display: flex; align-items: baseline; gap: 0.7rem;
  color: var(--ink-2); font-size: 0.95rem; line-height: 1.6;
  padding: 0.55rem 0;
}
ul.jd li + li { border-top: 1px solid var(--paper-2); }
ul.jd li::before {
  content: "▸"; font-family: var(--mono); font-size: 0.72rem;
  color: var(--accent); flex-shrink: 0; transform: translateY(-1px);
}
ul.jd strong { color: var(--ink); font-weight: 500; }

.cta {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--mono); font-size: 0.84rem; letter-spacing: 0.08em;
  padding: 0.95rem 1.7rem; margin-top: 0.4rem;
  background: var(--accent); color: var(--bg); border: 1px solid var(--accent);
  transition: all var(--t-fast);
}
.cta:hover { background: var(--accent-2); border-color: var(--accent-2); color: var(--bg); box-shadow: 0 0 24px var(--accent-glow); }

/* Roles index: the open-roles board */
.board-sub { font-size: 1.02rem; line-height: 1.6; color: var(--ink-2); max-width: 70ch; margin: 0 0 0.4rem; }
ul.rolelist { list-style: none; margin: -0.4rem 0 0; padding: 0; }
ul.rolelist li { border-bottom: 1px solid var(--hairline); }
a.rolerow {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1rem 0.3rem; color: inherit; transition: background var(--t-fast);
}
a.rolerow:hover { background: var(--paper-2); }
.rolerow__main { flex: 1; min-width: 0; }
.rolerow__title { display: block; font-size: 1.05rem; font-weight: 500; letter-spacing: -0.01em; color: var(--ink); }
a.rolerow:hover .rolerow__title { color: var(--accent-2); }
.rolerow__sub { display: block; font-size: 0.88rem; line-height: 1.5; color: var(--ink-2); margin-top: 0.2rem; }
.rolerow__meta {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-3); white-space: nowrap;
}
.rolerow__arrow { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); transition: transform var(--t-fast); }
a.rolerow:hover .rolerow__arrow { transform: translateX(3px); }

footer { border-top: 1px solid var(--hairline); margin-top: 1rem; }
.foot__inner {
  max-width: 880px; margin: 0 auto; padding: 1.6rem 1.4rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem;
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3);
}

@media (max-width: 720px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi:nth-child(2) { border-right: 0; }
  .kpi:nth-child(-n + 2) { border-bottom: 1px solid var(--hairline); }
  .kpi:nth-child(3) { grid-column: 1 / -1; }
  .rolerow__meta { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}