:root {
  --press-white: #F4EFE4;
  --key-black: #12141A;
  --slate: #2C3340;
  --teal: #1F6F73;
  --tint: #8FB8B6;
  --amber: #FFB000;
  --tan: #E2A07A;
  --night: #0E1218;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, monospace;
  --max: 1080px;
  --gutter: 1.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--press-white);
  color: var(--key-black);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--teal); text-underline-offset: 0.15em; }
a:hover { color: var(--key-black); }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--amber); color: var(--key-black); padding: 0.5rem 1rem; z-index: 100;
}
.skip:focus { left: var(--gutter); }

/* Header */
.top {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--press-white) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--slate) 18%, transparent);
}
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 3.5rem; padding-block: 0.5rem;
}
.mark {
  display: flex; align-items: center; gap: 0.65rem;
  text-decoration: none; color: inherit;
}
.mark-grid {
  width: 1.75rem; height: 1.75rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  background: var(--key-black); padding: 2px;
}
.mark-grid::before,
.mark-grid::after { content: ""; background: var(--teal); }
.mark-grid { background:
  linear-gradient(var(--key-black), var(--key-black)) padding-box;
}
.mark-grid {
  background:
    conic-gradient(
      var(--teal) 0 90deg,
      var(--tint) 90deg 180deg,
      var(--tint) 180deg 270deg,
      var(--amber) 270deg 360deg
    );
  border: 2px solid var(--key-black);
}
.mark-text { display: flex; flex-direction: column; line-height: 1.1; }
.mark-text strong {
  font-family: var(--mono); letter-spacing: 0.12em; font-size: 0.95rem;
}
.mark-text span { font-size: 0.7rem; color: var(--slate); letter-spacing: 0.04em; }
.nav { display: flex; flex-wrap: wrap; gap: 0.85rem 1.1rem; align-items: center; }
.nav a {
  text-decoration: none; color: var(--slate); font-size: 0.88rem; font-weight: 500;
}
.nav a:hover { color: var(--teal); }
.nav-cta {
  background: var(--key-black); color: var(--press-white) !important;
  padding: 0.4rem 0.75rem; border: 2px solid var(--key-black);
}
.nav-cta:hover { background: var(--teal); border-color: var(--teal); color: var(--press-white) !important; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--key-black);
  background: var(--night);
  color: var(--press-white);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--teal) 22%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--teal) 22%, transparent) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 75%);
  opacity: 0.55;
  pointer-events: none;
}
.hero-inner { position: relative; padding: 4.5rem 0 4rem; }
.eyebrow {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--tint); margin: 0 0 0.75rem;
}
.hero h1 { margin: 0 0 1.25rem; }
.word-cubit {
  display: block;
  font-family: var(--mono);
  font-size: clamp(3rem, 12vw, 6.5rem);
  letter-spacing: 0.08em;
  line-height: 0.95;
  color: var(--press-white);
}
.word-sub {
  display: block;
  margin-top: 0.75rem;
  font-size: clamp(1.15rem, 2.8vw, 1.65rem);
  font-weight: 500;
  color: var(--tint);
  max-width: 18ch;
  letter-spacing: -0.01em;
}
.lede {
  max-width: 38rem;
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--press-white) 88%, var(--tint));
  margin: 0 0 1.75rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.04em; text-decoration: none;
  padding: 0.7rem 1.1rem; border: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-primary {
  background: var(--teal); color: var(--press-white); border-color: var(--teal);
}
.btn-primary:hover { background: var(--tint); color: var(--key-black); border-color: var(--tint); }
.btn-ghost {
  background: transparent; color: var(--press-white); border-color: var(--tint);
}
.btn-ghost:hover { background: var(--tint); color: var(--key-black); }
.btn-amber {
  background: var(--amber); color: var(--key-black); border-color: var(--amber);
}
.btn-amber:hover { background: var(--press-white); border-color: var(--press-white); }
.hero-meta {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 1rem 1.5rem;
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--tint);
}
.swatch {
  display: inline-block; width: 0.65rem; height: 0.65rem;
  margin-right: 0.35rem; vertical-align: middle;
  border: 1px solid color-mix(in srgb, var(--press-white) 30%, transparent);
}
.swatch.teal { background: var(--teal); }
.swatch.tint { background: var(--tint); }
.swatch.amber { background: var(--amber); }

/* Issued strip */
.strip-issued {
  background: var(--press-white);
  border-bottom: 1px solid color-mix(in srgb, var(--slate) 20%, transparent);
}
.strip-inner {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 0; flex-wrap: wrap;
}
.stamp {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.18em; padding: 0.35rem 0.55rem;
  border: 2px solid var(--key-black); color: var(--key-black);
  background: color-mix(in srgb, var(--amber) 35%, var(--press-white));
}
.strip-inner p { margin: 0; color: var(--slate); font-size: 0.95rem; max-width: 48rem; }

/* Panels */
.panel { padding: 3.5rem 0; background: var(--press-white); }
.panel-alt {
  background: color-mix(in srgb, var(--tint) 12%, var(--press-white));
  border-block: 1px solid color-mix(in srgb, var(--slate) 15%, transparent);
}
.panel-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1.2fr 0.8fr; align-items: center;
}
.panel-grid.flip { grid-template-columns: 0.8fr 1.2fr; }
.panel-grid.flip .panel-copy { order: 2; }
.panel-grid.flip .panel-visual { order: 1; }
.panel-copy .eyebrow { color: var(--teal); }
.panel-copy h2 {
  font-family: var(--mono); font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: 0.04em; margin: 0 0 1rem;
}
.panel-copy p { color: var(--slate); margin: 0 0 1rem; max-width: 36rem; }
.panel-copy .btn { margin-top: 0.5rem; }
.panel-alt .btn-ghost {
  color: var(--key-black); border-color: var(--key-black);
}
.panel-alt .btn-ghost:hover {
  background: var(--key-black); color: var(--press-white);
}

.cubit-board {
  position: relative;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px;
  aspect-ratio: 1; max-width: 280px; margin-inline: auto;
  padding: 10px; background: var(--key-black);
  border: 2px solid var(--key-black);
}
.cell { border: 1px solid color-mix(in srgb, var(--press-white) 12%, transparent); }
.c1 { background: var(--teal); }
.c2 { background: var(--slate); }
.c3 { background: var(--tint); }
.c4 { background: var(--slate); }
.c5 { background: var(--amber); }
.c6 { background: var(--teal); }
.c7 { background: var(--tint); }
.c8 { background: var(--teal); }
.c9 { background: var(--slate); }
.board-label {
  position: absolute; bottom: -1.6rem; left: 0; right: 0;
  text-align: center; font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.2em; color: var(--slate);
}

.case-stack {
  position: relative;
  background: var(--key-black); color: var(--press-white);
  padding: 1.25rem; max-width: 280px; margin-inline: auto;
  border: 2px solid var(--key-black);
  display: flex; flex-direction: column; gap: 0.75rem;
  min-height: 220px; justify-content: center;
}
.case-row { display: flex; align-items: center; gap: 0.65rem; }
.dot {
  width: 0.65rem; height: 0.65rem; border-radius: 0;
  background: var(--teal); flex-shrink: 0;
}
.dot.amber { background: var(--amber); }
.dot.tint { background: var(--tint); }
.bar {
  height: 0.55rem; background: color-mix(in srgb, var(--press-white) 18%, transparent);
}
.bar.w80 { width: 80%; }
.bar.w60 { width: 60%; }
.bar.w90 { width: 90%; }
.bar.w45 { width: 45%; }

/* Phenomena */
.phenomena {
  background: var(--slate);
  color: var(--press-white);
  border-block: 2px solid var(--key-black);
}
.phenomena-inner {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.5rem 0;
}
.phenomena-mark { color: var(--amber); font-size: 1.1rem; line-height: 1.6; }
.phenomena p { margin: 0; max-width: 48rem; font-size: 1.02rem; }
.phenomena strong {
  font-family: var(--mono); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--amber);
}

/* CTA band */
.cta-band {
  background: var(--night);
  color: var(--press-white);
  text-align: center;
  padding: 3.5rem 0;
  border-bottom: 2px solid var(--key-black);
}
.cta-band h2 {
  font-family: var(--mono); letter-spacing: 0.06em;
  margin: 0 0 0.75rem; font-size: clamp(1.4rem, 3vw, 1.9rem);
}
.cta-band p {
  margin: 0 auto 1.5rem; max-width: 32rem;
  color: var(--tint); font-size: 0.98rem;
}

/* Footer */
.foot {
  background: var(--key-black);
  color: color-mix(in srgb, var(--press-white) 75%, transparent);
  padding: 2.5rem 0 2rem;
  font-size: 0.9rem;
}
.foot-inner {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr 1.2fr;
}
.foot-brand strong {
  display: block; color: var(--press-white);
  font-family: var(--mono); letter-spacing: 0.1em; margin-bottom: 0.35rem;
}
.foot-brand p { margin: 0; color: var(--tint); font-size: 0.8rem; letter-spacing: 0.06em; }
.foot-links {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; justify-content: flex-end;
}
.foot-links a { color: var(--tint); text-decoration: none; }
.foot-links a:hover { color: var(--amber); }
.foot-note {
  grid-column: 1 / -1; margin: 0.5rem 0 0;
  font-size: 0.75rem; color: color-mix(in srgb, var(--slate) 70%, var(--press-white));
  border-top: 1px solid color-mix(in srgb, var(--slate) 60%, transparent);
  padding-top: 1rem;
}

/* Stub pages */
.stub { padding: 3.5rem 0 4rem; min-height: 50vh; }
.stub h1 {
  font-family: var(--mono); letter-spacing: 0.06em;
  font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0 0 1rem;
}
.stub p { color: var(--slate); max-width: 40rem; }
.stub a.back { display: inline-block; margin-bottom: 1.5rem; font-family: var(--mono); font-size: 0.8rem; }

@media (max-width: 760px) {
  .nav a:not(.nav-cta) { display: none; }
  .panel-grid, .panel-grid.flip {
    grid-template-columns: 1fr;
  }
  .panel-grid.flip .panel-copy,
  .panel-grid.flip .panel-visual { order: initial; }
  .foot-inner { grid-template-columns: 1fr; }
  .foot-links { justify-content: flex-start; }
  .hero-inner { padding: 3rem 0 2.75rem; }
}

.foot-suo {
  margin: 1rem 0 0.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal, #1F6F73);
  font-weight: 700;
}
.ontrac-line {
  font-weight: 600;
  color: var(--slate, #2C3340);
  margin-bottom: 0.75rem;
}