:root {
  --paper: #f4f2ea; --ink: #17211d; --muted: #5d6b62; --line: #dcd8ca;
  --water: #0d4b57; --water2: #1f7a8c; --algae: #2fae86; --gold: #a3701a; --card: #fbfaf5;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #0b1512; --ink: #e7ece7; --muted: #93a49a; --line: #22302b;
    --water: #4bb3c4; --water2: #2b8fa1; --algae: #4fc79a; --gold: #d0a24e; --card: #121d19; }
}
:root[data-theme="dark"] { --paper: #0b1512; --ink: #e7ece7; --muted: #93a49a; --line: #22302b;
  --water: #4bb3c4; --water2: #2b8fa1; --algae: #4fc79a; --gold: #d0a24e; --card: #121d19; }
:root[data-theme="light"] { --paper: #f4f2ea; --ink: #17211d; --muted: #5d6b62; --line: #dcd8ca;
  --water: #0d4b57; --water2: #1f7a8c; --algae: #2fae86; --gold: #a3701a; --card: #fbfaf5; }

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6; }
h1, h2, h3, p { margin: 0; }
em { font-style: italic; } strong { font-weight: 700; }
a { color: var(--water2); }

.nav { position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 22px; background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink);
  font-size: 18px; letter-spacing: -0.01em; }
.brand strong { color: var(--water2); font-weight: 800; }
.brand span { font-weight: 500; }
.nav nav { display: flex; flex-wrap: wrap; gap: 6px; }
.nav nav a { padding: 7px 12px; border-radius: 7px; text-decoration: none; color: var(--ink);
  font-size: 14px; font-weight: 600; }
.nav nav a:hover { background: color-mix(in srgb, var(--water2) 14%, transparent); }

main { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

.hero { text-align: center; padding: 56px 8px 40px; display: grid; justify-items: center; gap: 16px; }
.hero-logo { filter: drop-shadow(0 8px 20px color-mix(in srgb, var(--water) 30%, transparent)); }
.kicker { font-size: 12.5px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--water2); }
.hero h1 { font-size: clamp(28px, 5vw, 46px); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; }
.lede { max-width: 68ch; color: var(--muted); font-size: 18px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.btn { padding: 12px 20px; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 15px;
  border: 1px solid var(--line); color: var(--ink); background: var(--card); }
.btn.primary { background: var(--water); border-color: var(--water); color: #fff; }
.btn:hover { transform: translateY(-1px); }

.band { padding: 40px 0; border-top: 1px solid var(--line); }
.band.alt { }
.band > h2 { font-size: 27px; letter-spacing: -0.01em; margin-bottom: 12px; }
.band-lead { max-width: 74ch; color: var(--muted); font-size: 16px; margin-bottom: 20px; }

.stack { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; counter-reset: s;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.stack li { position: relative; padding: 16px 16px 16px 52px; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; font-size: 14px; color: var(--muted); }
.stack li b { display: block; color: var(--ink); font-size: 14.5px; margin-bottom: 3px; }
.stack li::before { counter-increment: s; content: counter(s); position: absolute; left: 14px; top: 15px;
  width: 26px; height: 26px; border-radius: 50%; background: var(--water); color: #fff;
  font-weight: 700; font-size: 13px; display: flex; align-items: center; justify-content: center; }

.levers { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.lever { padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.lever .dot { display: inline-block; width: 14px; height: 14px; border-radius: 4px; margin-bottom: 10px; }
.lever h3 { font-size: 16px; margin-bottom: 6px; }
.lever p { font-size: 13.5px; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.split h2 { font-size: 22px; margin-bottom: 8px; }
.split p { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.link { font-weight: 700; text-decoration: none; }
.link:hover { text-decoration: underline; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.card { display: grid; gap: 8px; padding: 20px; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--water2); transform: translateY(-2px); }
.card h3 { font-size: 17px; }
.card p { font-size: 13.5px; color: var(--muted); }
.card span { color: var(--water2); font-weight: 700; font-size: 14px; }

footer { padding: 34px 0 60px; border-top: 1px solid var(--line); margin-top: 40px;
  color: var(--muted); font-size: 13px; max-width: 80ch; }

@media (max-width: 720px) {
  .split { grid-template-columns: 1fr; }
  .nav { padding: 10px 14px; }
}

/* Grouped top nav — organized sections instead of a 10-link soup (Ryan, 2026-08-10). */
.nav nav.groupnav { display: flex; flex-direction: column; gap: 4px; }
.navgroup { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.navlabel { font-size: 10.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 55%, transparent); min-width: 118px; }
@media (max-width: 700px) {
  .navlabel { min-width: 100%; margin-top: 2px; }
  .navgroup a { padding: 6px 10px; font-size: 14px; }
}

/* Home scorecard band (live from pubos/scoreboard.json) */
.scoregrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.scorecell { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 12px; text-align: center; }
.scorecell b { display: block; font-size: 28px; line-height: 1.1; }
.scorecell span { font-size: 12.5px; color: var(--muted); }
.scorecell.hot { border-color: var(--algae); }
.scorecell.hot b { color: var(--algae); }