/* Shared styling for the AIDA reading pages (Nayanta run).
   Deliberately close to the Week 2 class pages so the printed and projected
   material and the take-home reading look like one set. */

:root {
  --paper: #f4f0e7;
  --panel: #fffdf8;
  --ink: #20211f;
  --muted: #66685f;
  --line: #d8d1c4;
  --blue: #235f78;
  --blue2: #dcecf2;
  --red: #a64032;
  --red2: #f6e3de;
  --green: #356d55;
  --green2: #dfeee5;
  --gold: #956b22;
  --gold2: #f3e8c8;
  --shadow: 0 8px 28px rgba(45, 39, 28, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.6 Georgia, "Iowan Old Style", serif;
}

a { color: var(--blue); text-underline-offset: 3px; }

.wrap { width: min(1000px, calc(100% - 34px)); margin: auto; }

/* Sticky breadcrumb bar with in-page navigation. */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 253, 248, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(9px);
}

.top .wrap {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font: 13px/1.2 system-ui, sans-serif;
}

.top nav { display: flex; gap: 15px; flex-wrap: wrap; }
.top a { text-decoration: none; color: var(--ink); }
.top a:hover { color: var(--blue); }

header {
  padding: 62px 0 46px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, #fffaf0, var(--paper));
}

.kicker {
  color: var(--red);
  font: 750 12px/1.2 system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: .14em;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; }
h1 { font-size: clamp(38px, 6vw, 62px); max-width: 16ch; margin: 14px 0 18px; }
h2 { font-size: clamp(27px, 3.4vw, 38px); margin: 0 0 12px; }
h3 { font-size: 21px; margin: 26px 0 9px; }
.deck { max-width: 66ch; color: var(--muted); font-size: 20px; }

main { padding: 40px 0 80px; }

.stage {
  margin: 0 0 30px;
  padding: 30px 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 15px;
  box-shadow: var(--shadow);
  scroll-margin-top: 68px;
}

.stage > p, .stage > ul, .stage > ol { max-width: 72ch; }

/* Call-outs. Each one has a fixed meaning, used consistently on both pages. */
.def, .warn, .note, .try, .board {
  margin: 20px 0;
  padding: 17px 20px;
  border-radius: 9px;
}

.def { background: var(--green2); border-left: 4px solid var(--green); }
.warn { background: var(--red2); border-left: 4px solid var(--red); }
.note { background: var(--gold2); border: 1px solid #dfcd9b; }
.try { background: var(--blue2); border-left: 4px solid var(--blue); }

.def:before, .warn:before, .try:before {
  display: block;
  margin-bottom: 7px;
  font: 750 11px/1 system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: .11em;
}

.def:before { content: "Definition"; color: var(--green); }
.warn:before { content: "Where it misleads"; color: var(--red); }
.try:before { content: "Try this"; color: var(--blue); }

.board {
  padding: 20px 22px;
  border: 2px solid var(--ink);
  background: #fcfaf4;
  border-radius: 8px;
  font-size: 19px;
}

.board strong { font-variant-numeric: tabular-nums; }

.grid2, .grid3 { display: grid; gap: 16px; margin: 20px 0; }
.grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.big {
  font: 800 clamp(30px, 4.4vw, 50px)/1 system-ui, sans-serif;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.label { margin-top: 8px; color: var(--muted); font: 13px/1.4 system-ui, sans-serif; }

.tablewrap { overflow-x: auto; margin: 20px 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font: 15px/1.45 system-ui, sans-serif;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.reveal {
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  margin: 18px 0;
}

.reveal summary {
  cursor: pointer;
  padding: 14px 17px;
  background: var(--green2);
  color: var(--green);
  font: 750 14px/1.3 system-ui, sans-serif;
}

.reveal > div { padding: 4px 18px 18px; }

/* Numbered walk-through steps. */
.steps { counter-reset: s; margin: 22px 0; padding: 0; list-style: none; }

.steps li {
  counter-increment: s;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  margin: 15px 0;
}

.steps li:before {
  content: counter(s);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue2);
  color: var(--blue);
  font: 750 13px/1 system-ui, sans-serif;
}

/* A one-line dot plot for small datasets. */
.dotplot {
  position: relative;
  height: 78px;
  margin: 24px 10px 40px;
  border-bottom: 2px solid var(--ink);
}

.dotplot i {
  position: absolute;
  bottom: 8px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(-50%);
}

.dotplot i.out { background: var(--red); }

.dotplot span {
  position: absolute;
  bottom: -28px;
  transform: translateX(-50%);
  font: 11px/1 system-ui, sans-serif;
  color: var(--muted);
}

.sources { font: 15px/1.55 system-ui, sans-serif; color: var(--muted); }
.sources h2 { color: var(--ink); }

footer {
  padding: 28px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 13px/1.5 system-ui, sans-serif;
}

@media (max-width: 720px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .stage { padding: 22px 18px; }
  .top nav { display: none; }
  body { font-size: 17px; }
}

@media print {
  .top { position: static; }
  .stage { break-inside: avoid; box-shadow: none; }
  .reveal > div { display: block !important; }
  body { background: #fff; font-size: 14px; }
}