/* Document pages (bluepaper, privacy, terms). Loads after styles.css. */
body { background: var(--fog); color: var(--ink); }
.doc { --bg: var(--fog); --fg: var(--ink); --fg-muted: var(--slate); --line: rgba(1,22,20,.12); --accent: var(--jade); }
.doc__head { padding: calc(var(--nav-h) + 64px) 0 56px; border-bottom: 1px solid var(--line); background: var(--mist); }
.doc__head .kicker { color: var(--jade); }
.doc__head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.3rem, 4.6vw, 4rem); line-height: 1.05; letter-spacing: -0.03em; max-width: 18ch; }
.doc__meta { margin-top: 20px; display: flex; gap: 18px; flex-wrap: wrap; color: var(--slate); }
.doc__body { display: grid; grid-template-columns: 240px minmax(0, 720px); gap: 64px; padding: 64px 0 120px; }
.doc__toc { position: sticky; top: calc(var(--nav-h) + 32px); align-self: start; display: flex; flex-direction: column; gap: 8px; }
.doc__toc a { color: var(--slate); font-family: var(--mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; padding: 4px 0; border-left: 1px solid transparent; padding-left: 12px; }
.doc__toc a:hover, .doc__toc a.is-active { color: var(--ink); border-left-color: var(--jade); }
.doc__content h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.5rem, 2.3vw, 2rem); line-height: 1.15; letter-spacing: -0.025em; margin: 64px 0 18px; scroll-margin-top: 100px; }
.doc__content h2:first-child { margin-top: 0; }
.doc__content h2 .num { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; color: var(--jade); display: block; margin-bottom: 10px; }
.doc__content h3 { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; letter-spacing: -0.015em; margin: 30px 0 8px; }
.doc__content p { margin: 0 0 16px; color: #2b3634; }
.doc__content p.big { font-family: var(--serif); font-weight: 300; font-size: clamp(1.3rem, 2vw, 1.7rem); line-height: 1.3; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 28px; }
.doc__content ul { padding-left: 0; margin: 0 0 20px; }
.doc__content li { position: relative; padding-left: 22px; margin-bottom: 10px; color: #2b3634; }
.doc__content li::before { content: ''; position: absolute; left: 0; top: .72em; width: 10px; height: 1px; background: var(--jade); }
.doc__content li b, .doc__content p b { font-weight: 500; color: var(--ink); }
.doc__content pre { background: var(--forest); color: rgba(243,245,244,.88); font-family: var(--mono); font-size: .76rem; line-height: 1.7; padding: 22px 24px; border-radius: 4px; overflow-x: auto; margin: 20px 0 28px; }
.doc__content pre b { color: var(--mint); font-weight: 600; }
.doc__content .callout { border-left: 2px solid var(--jade); padding: 4px 0 4px 22px; margin: 28px 0; font-family: var(--serif); font-weight: 300; font-size: 1.2rem; line-height: 1.35; letter-spacing: -0.015em; color: var(--ink); }
.doc__content .note { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--slate); margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); }
.doc__content .placeholder { background: #fff4d6; border: 1px dashed #d9b452; padding: 2px 6px; border-radius: 2px; font-family: var(--mono); font-size: .72rem; text-transform: none; letter-spacing: 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0 28px; font-size: .95rem; }
.doc th, .doc td { text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--slate); font-weight: 500; }
.doc__footer { background: var(--forest); color: rgba(243,245,244,.7); padding: 40px 0; }
.doc__footer .container { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.doc__footer a:hover { color: var(--mint); }
@media (max-width: 900px) {
  .doc__body { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-top: 40px; }
  /* contents become a horizontally scrolling strip */
  .doc__toc { position: static; flex-direction: row; flex-wrap: nowrap; gap: 6px; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 10px; margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); scrollbar-width: none; }
  .doc__toc::-webkit-scrollbar { display: none; }
  .doc__toc a { white-space: nowrap; flex: 0 0 auto; border-left: 0; padding: 8px 12px; background: var(--mist); border-radius: 2px; }
  .doc__toc a.is-active { background: var(--forest); color: var(--fog); }
  .doc__head { padding-top: calc(var(--nav-h) + 40px); }
}
@media (max-width: 560px) {
  .doc__content pre { font-size: .68rem; padding: 16px; }
  .doc th, .doc td { padding: 10px 0; font-size: .9rem; }
}

/* ---- Bluepaper figures: diagrams, formula, interactive flywheel model ---- */
.doc__content .diag { background: var(--forest); border-radius: 4px; padding: 18px 14px 10px; margin: 20px 0 28px; overflow-x: auto; }
.doc__content .diag svg { display: block; width: 100%; min-width: 640px; height: auto; }
.doc__content .diag .bx { fill: var(--abyss); stroke: rgba(158,250,226,.22); stroke-width: 1.2; rx: 4; }
.doc__content .diag .bx.you { stroke: var(--mint); stroke-width: 1.6; }
.doc__content .diag .t { font-family: var(--sans); font-weight: 500; font-size: 13.5px; letter-spacing: -0.01em; fill: var(--fog); }
.doc__content .diag .s { font-family: var(--mono); font-size: 10.5px; fill: rgba(243,245,244,.62); }
.doc__content .diag .m { fill: var(--mint); }
.doc__content .diag .ln { stroke: #8B9A97; stroke-width: 1.3; fill: none; }
.doc__content .diag .ln.m { stroke: var(--mint); }
.doc__content .diag .lb { font-family: var(--mono); font-size: 9.5px; letter-spacing: .08em; text-transform: uppercase; fill: rgba(243,245,244,.55); }
.doc__content .diag .lb.m { fill: var(--mint); }
.doc__content .diag .cap { font-family: var(--mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; fill: rgba(243,245,244,.45); }
.doc__content .diag .cap b { fill: var(--mint); font-weight: 600; }
.doc__content .figcap { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--slate); margin: -18px 0 28px; }
.doc__content .formula { font-family: var(--mono); font-size: 1.05rem; color: var(--ink); background: var(--mist); border-radius: 4px; padding: 18px 22px; margin: 20px 0; overflow-x: auto; white-space: nowrap; }
.doc__content .formula sub, .doc__content .formula sup { font-size: .68em; }
.doc__content .model { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 20px; margin: 20px 0 16px; }
.doc__content .params { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px 22px; margin: 0 0 16px; }
.doc__content .params label { display: grid; gap: 6px; font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--slate); }
.doc__content .params label b { font-family: var(--sans); font-weight: 500; font-size: 1rem; letter-spacing: -0.01em; text-transform: none; color: var(--ink); font-variant-numeric: tabular-nums; }
.doc__content .params input[type=range] { width: 100%; accent-color: var(--jade); margin: 2px 0 0; }
.doc__content .model canvas { width: 100%; height: auto; display: block; border-radius: 4px; background: var(--forest); }
.doc__content .out { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 14px; font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--slate); }
.doc__content .out b { display: block; margin-top: 4px; font-family: var(--sans); font-weight: 500; font-size: 1.05rem; letter-spacing: -0.01em; text-transform: none; color: var(--jade); font-variant-numeric: tabular-nums; }
@media (max-width: 560px) {
  .doc__content .diag { padding: 12px 8px 6px; margin-inline: calc(-1 * var(--gutter)); border-radius: 0; }
  .doc__content .model { padding: 14px; }
}