:root {
  --ink: #000000;        /* brand ink — pure black (charcoal retired 2026-08-12) */
  --yellow: #FFF116;     /* quantum yellow — the Q */
  --blue: #68A8DF;       /* sky blue — logo ring, rules */
  --blue-deep: #2878B8;  /* deep blue — links */
  --bone: #EDEBE6;
  --muted: #A8A5A0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: Inter, "Helvetica Neue", Arial, system-ui, sans-serif;
  line-height: 1.7;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 66rem;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid rgba(104, 168, 223, .22);
}
.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: var(--bone);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .82rem;
}
.brand em { font-style: normal; font-weight: 400; color: var(--muted); }
nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  letter-spacing: .05em;
  padding: .2rem 0;
  border-bottom: 2px solid transparent;
}
nav a:hover { color: var(--bone); }
nav a.active { color: var(--bone); border-bottom-color: var(--yellow); }

main { max-width: 66rem; margin: 0 auto; padding: 0 1.5rem; }

.hero { text-align: center; padding: 4.5rem 0 3rem; }
.hero h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  font-weight: 650;
  line-height: 1.2;
  margin: 1.6rem 0 .8rem;
  color: #fff;
}
.hero .sub { color: var(--muted); max-width: 34rem; margin: 0 auto; }
.cta-row { margin-top: 2rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: .7rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .03em;
}
.btn-yellow { background: var(--yellow); color: #000; }
.btn-yellow:hover { filter: brightness(1.06); }
.btn-ghost { border: 1px solid var(--blue); color: var(--blue); }
.btn-ghost:hover { color: var(--bone); border-color: var(--bone); }

.lead {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 0;
  font-size: 1.05rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.2rem;
  padding: 2rem 0 4rem;
}
.pillar {
  border: 1px solid rgba(104, 168, 223, .25);
  padding: 1.4rem 1.5rem;
}
.pillar h2 {
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--yellow);
  margin: 0 0 .5rem;
}
.pillar p { margin: 0; color: var(--muted); font-size: .95rem; }

.page { max-width: 46rem; padding: 3.5rem 0 4rem; }
.page h1 { font-size: clamp(1.6rem, 4vw, 2.1rem); color: #fff; margin: 0 0 1rem; }
.page .big { font-size: 1.2rem; }
.page .big strong { color: var(--yellow); font-size: 1.5rem; }
.page ul { color: var(--muted); padding-left: 1.2rem; }
.page li { margin: .4rem 0; }
.rule { width: 56px; height: 3px; background: var(--yellow); border: 0; margin: 0 0 1.8rem; }
.muted { color: var(--muted); font-size: .9rem; }

a { color: var(--blue); }
a:hover { color: var(--bone); }
.btn-yellow, .btn-yellow:hover { color: #000; }

footer { border-top: 1px solid rgba(104, 168, 223, .22); margin-top: 2rem; }
.foot-inner { max-width: 66rem; margin: 0 auto; padding: 1.6rem 1.5rem; }
.foot-inner p { margin: .2rem 0; font-size: .85rem; color: var(--muted); }
.fine { font-size: .75rem; letter-spacing: .06em; }