/* The overview page. Shares board.css's tokens and type so the two pages read
 * as one tool, and keeps the same colour discipline: vermilion appears only on
 * the sentence the agent refuses to write. */

body.front {
  display: block;
  background: var(--leaf);
  max-height: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 40px;
  background: var(--ink);
  border-bottom: 1px solid var(--ink-line);
}
.brand { display: flex; align-items: baseline; gap: 9px; text-decoration: none; }
.brand-name { color: #fff; font-weight: 600; font-size: 15px; letter-spacing: .01em; }
.brand-sub { font: 400 11px var(--mono); color: #7D93B4; letter-spacing: .04em; }

.btn-lang {
  border-color: #3D5A80;
  color: var(--ink-text);
  font: 500 11px var(--mono);
  padding: 5px 10px;
  letter-spacing: .04em;
}
.btn-lang:hover { background: var(--ink-raised); color: #fff; }
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.nav-link { color: var(--ink-text); text-decoration: none; font-size: 13px; }
.nav-link:hover { color: #fff; text-decoration: underline; }
.btn-inverse { background: var(--leaf); color: var(--ink); border-color: var(--leaf); }
.btn-inverse:hover { background: #fff; }

/* ── hero ────────────────────────────────────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 56px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 74px 40px 66px;
}
.hero h1 {
  margin: 0 0 22px;
  max-width: 19ch;
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -.01em;
}
.hero h1 b { font-weight: 600; border-bottom: 2px solid var(--flag); box-shadow: 0 4px 0 -1px var(--flag); }
.hero p { margin: 0 0 12px; max-width: 46ch; font-size: 15px; line-height: 1.75; }
.hero .en { color: var(--muted); font-size: 13.5px; }
.hero strong { font-weight: 600; }

/* the demonstration: what the ledger permits, and what it refuses */
.demo {
  margin: 0;
  border: 1px solid var(--rule);
  background: #fff;
  padding: 20px 22px 22px;
}
.demo figcaption {
  font: 500 10px var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.demo-ledger {
  border-left: 2px solid var(--ink);
  padding: 2px 0 2px 11px;
  margin-bottom: 20px;
  font-size: 13.5px;
  line-height: 1.55;
}
.demo-id { font: 500 11px var(--mono); color: var(--ink); margin-right: 6px; }
.demo-meta { display: block; margin-top: 3px; font: 400 11px var(--mono); color: var(--muted); }
.demo-row + .demo-row { margin-top: 16px; }
.demo-verdict {
  display: block;
  font: 500 10px var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.demo-ok .demo-verdict { color: var(--verified); }
.demo-no .demo-verdict { color: var(--flag); }
.demo-row p { margin: 0; font-family: var(--serif); font-size: 16px; line-height: 1.7; }
.demo-row small { display: block; margin-top: 6px; font-size: 12px; color: var(--muted); line-height: 1.5; }
.demo-cite { font: 500 10px var(--mono); color: var(--ink); opacity: .55; padding-left: 2px; }
.demo-flag {
  border-bottom: 2px solid var(--flag);
  box-shadow: 0 3px 0 -1px var(--flag);
  background: rgba(214, 52, 44, .08);
}
.demo-query { font: 500 10px var(--mono); color: var(--flag); padding-left: 3px; }

/* ── bands ───────────────────────────────────────────────────────────── */

.band { max-width: 1180px; margin: 0 auto; padding: 52px 40px; border-top: 1px solid var(--rule); }
/* the topbar is sticky, so an anchored heading must clear it */
.band[id] { scroll-margin-top: 74px; }
.section-head { margin: 0 0 6px; font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.section-head em { font-style: normal; font-weight: 400; color: var(--muted); letter-spacing: .03em; text-transform: none; }
.aside { margin: 0 0 26px; max-width: 74ch; font-size: 13px; color: var(--muted); line-height: 1.65; }
.aside code { font: 400 12px var(--mono); }
.aside em { font-style: normal; }

.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 26px; margin-top: 26px; }
.rules h3 { margin: 0 0 7px; font-size: 15px; font-weight: 600; }
.rules p { margin: 0 0 7px; font-size: 13.5px; line-height: 1.65; }
.rules em { font-style: normal; font-size: 12px; color: var(--muted); line-height: 1.55; display: block; }

.pipeline { list-style: none; margin: 26px 0 24px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 26px; }
.pipeline li { border-top: 2px solid var(--ink); padding-top: 12px; }
.step { font: 500 11px var(--mono); color: var(--muted); letter-spacing: .08em; }
.pipeline h3 { margin: 5px 0 7px; font-size: 15px; font-weight: 600; }
.pipeline p { margin: 0; font-size: 13.5px; line-height: 1.65; }

/* ── tools ───────────────────────────────────────────────────────────── */

.tools { display: grid; gap: 2px; background: var(--rule); border: 1px solid var(--rule); }
.tool { background: #fff; padding: 18px 20px; }
.tool-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.tool-name { font: 600 14px var(--mono); color: var(--ink); }
.tool-desc { margin: 7px 0 0; font-size: 13.5px; line-height: 1.6; max-width: 82ch; }
.tool-params { margin: 13px 0 0; display: grid; gap: 5px; }
.param { display: grid; grid-template-columns: minmax(120px, auto) minmax(0, 1fr); gap: 12px; font-size: 12.5px; align-items: baseline; }
.param-name { font: 500 12px var(--mono); color: var(--text); }
.param-name .req { color: var(--flag); }
.param-note { color: var(--muted); line-height: 1.55; }
.param-note b { font: 400 11px var(--mono); font-weight: 400; color: var(--text); }
.tool-none { font: 400 12px var(--mono); color: var(--muted); margin-top: 10px; }
.tool-returns { margin: 13px 0 0; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.tool-returns b { font: 500 11px var(--mono); color: var(--text); font-weight: 500; }

.roles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2px; background: var(--rule); border: 1px solid var(--rule); }
.role-card { background: #fff; padding: 15px 17px; }
.role-card h3 { margin: 0 0 4px; font: 600 13px var(--mono); }
.role-card span { font: 400 11px var(--mono); color: var(--muted); }
.role-card[data-tier="strong"] span { color: var(--verified); }

.foot { max-width: 1180px; margin: 0 auto; padding: 46px 40px 70px; border-top: 1px solid var(--rule); }
.foot p { margin: 16px 0 0; font-size: 12px; color: var(--muted); }
.foot em { font-style: normal; }
.foot .btn { text-decoration: none; display: inline-block; }

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 34px; padding: 44px 22px; }
  .topbar { padding: 12px 22px; gap: 12px; }
  .topbar nav { gap: 12px; }
  .nav-link { display: none; }
  .band, .foot { padding-left: 22px; padding-right: 22px; }
}

/* inline code lifted out of the manifest's own backticks */
.param-note code, .tool-desc code {
  font: 400 11.5px var(--mono);
  background: var(--leaf-2);
  padding: 1px 4px;
  border-radius: 2px;
}

/* ── selling points ──────────────────────────────────────────────────── */

.band-sell { padding-top: 46px; padding-bottom: 46px; }
.eyebrow {
  margin: 0 0 8px;
  font: 500 10px var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--flag);
}
.sell-head {
  margin: 0 0 30px;
  font-family: var(--serif);
  font-size: clamp(21px, 2.2vw, 27px);
  font-weight: 600;
  line-height: 1.35;
  max-width: 24ch;
}
.sell { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 30px; }
.sell article { border-top: 2px solid var(--ink); padding-top: 12px; }
.sell h3 { margin: 0 0 7px; font-size: 15px; font-weight: 600; }
.sell p { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--muted); }

/* ── the agent diagram ───────────────────────────────────────────────── */

.agentmap { margin: 8px 0 30px; }
.agentmap svg {
  display: block;
  width: 100%;
  max-width: 1000px;
  height: auto;
  color: var(--ink);
  overflow: visible;
}
.agentmap figcaption {
  margin-top: 16px;
  max-width: 76ch;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--rule);
  padding-left: 12px;
}

/* the provenance path is the spine of the picture, so it is drawn heaviest */
.agentmap .flow { stroke: currentColor; stroke-width: 1.6; fill: currentColor; }
/* background is framing, not evidence — lighter, and it stops at the drafter */
.agentmap .side { stroke: var(--muted); stroke-width: 1.2; color: var(--muted); }
.agentmap .loop { stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 4 3; color: var(--muted); }
.agentmap .node rect { fill: #fff; stroke: currentColor; stroke-width: 1.4; }

.agentmap .name text { font: 600 14px var(--sans); fill: var(--text); }
.agentmap .role text { font: 400 10.5px var(--mono); fill: var(--muted); letter-spacing: .04em; }
.agentmap .edge text { font: 400 11px var(--mono); fill: var(--muted); }
.agentmap .edge .terminal { font: 600 12px var(--sans); fill: var(--text); }
.agentmap .constraint { font: 600 17px var(--sans); fill: var(--flag); }

.agentlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 24px;
}
.agentlist li { border-top: 1px solid var(--rule); padding-top: 11px; }
.agent-n { font: 500 11px var(--mono); color: var(--muted); }
.agentlist h3 { margin: 3px 0 6px; font-size: 14px; font-weight: 600; }
.agentlist p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--muted); }

@media (max-width: 860px) {
  /* the flow needs its width; let it scroll rather than shrink into illegibility */
  .agentmap { overflow-x: auto; }
  .agentmap svg { min-width: 720px; }
}

/* ── connect: how to actually call it ────────────────────────────────── */

.connect {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-bottom: 44px;
}
.connect article { border-top: 2px solid var(--ink); padding-top: 13px; }
.connect h3 { margin: 0 0 8px; font-size: 15px; font-weight: 600; }
.connect p { margin: 0 0 11px; font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.connect p code { font: 400 12px var(--mono); color: var(--text); }
.connect pre {
  margin: 0 0 11px;
  padding: 12px 14px;
  background: var(--ink);
  border-radius: 2px;
  overflow-x: auto;
}
.connect pre code {
  font: 400 11.5px/1.75 var(--mono);
  color: #CFE0F2;
  white-space: pre;
}
.connect-alt { margin-top: 0; font-size: 12.5px; }

.section-head-sub { margin-top: 8px; }