/* ============================================================
   TICKER & TAPE — A FIELD MANUAL FOR MARKETS
   Stylesheet · v1.0
   Aesthetic: financial reading room — deep ink ground,
   warm parchment text, oxblood accent. Editorial serif voice.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Ground & ink */
  --ink-deep: #0a1424;
  --ink:      #0E1B2C;
  --ink-soft: #16263d;
  --ink-rule: #233a58;

  /* Parchment & paper */
  --paper:     #F2E8D5;
  --paper-mid: #d9cfbb;
  --paper-dim: #a99e88;
  --paper-soft:#7a7160;

  /* Accents */
  --oxblood:      #8B2E3C;
  --oxblood-bright:#b9445a;
  --gold-aged:    #c8a96a;
  --green-ledger: #6b8e6f;
  --red-ledger:   #b34a3f;

  /* Type */
  --serif-display: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --serif-body:    'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --mono:          'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

  /* Layout */
  --rail-w:    300px;
  --side-w:    260px;
  --content-w: 720px;
  --gutter:    48px;
  --radius:    2px;

  /* Motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--paper);
  background: var(--ink-deep);
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-image:
    radial-gradient(circle at 15% 20%, rgba(200,169,106,.04), transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(139,46,60,.04), transparent 55%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 .95  0 0 0 0 .91  0 0 0 0 .83  0 0 0 .025 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--oxblood); color: var(--paper); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--serif-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--paper);
}
h1 { font-size: 3.4rem; font-variation-settings: "opsz" 144, "wght" 350, "SOFT" 30; letter-spacing: -0.025em; }
h2 { font-size: 2.1rem; font-variation-settings: "opsz" 72, "wght" 400; margin-top: 2.2em; }
h3 { font-size: 1.4rem; font-variation-settings: "opsz" 36, "wght" 500; margin-top: 1.8em; color: var(--gold-aged); }
h4 { font-size: 1.1rem; font-variation-settings: "wght" 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--paper-dim); margin-top: 1.6em; }

p { margin: 0 0 1em; }
em { font-style: italic; color: var(--paper-mid); }
strong { font-weight: 600; color: var(--gold-aged); }
code, .mono { font-family: var(--mono); font-size: .92em; color: var(--gold-aged); }
small { font-size: .82rem; color: var(--paper-dim); }

blockquote {
  margin: 1.6em 0;
  padding: 0.2em 0 0.2em 1.4em;
  border-left: 2px solid var(--oxblood);
  font-family: var(--serif-display);
  font-size: 1.18rem;
  font-style: italic;
  color: var(--paper-mid);
  font-variation-settings: "opsz" 36, "wght" 380;
}
blockquote cite {
  display: block;
  margin-top: 0.6em;
  font-family: var(--serif-body);
  font-style: normal;
  font-size: .85rem;
  color: var(--paper-dim);
  letter-spacing: 0.04em;
}
blockquote cite::before { content: "— "; }

/* Drop cap on first paragraph of major sections */
.dropcap::first-letter {
  font-family: var(--serif-display);
  font-size: 4.6em;
  float: left;
  line-height: .85;
  margin: 0.05em 0.08em -0.05em 0;
  color: var(--oxblood-bright);
  font-variation-settings: "opsz" 144, "wght" 380;
}

/* ---------- Layout ---------- */
.shell {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  min-height: 100vh;
}

/* Left rail — table of contents */
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 36px 28px 36px 36px;
  border-right: 1px solid var(--ink-rule);
  background: var(--ink);
  overflow-y: auto;
  font-size: .92rem;
}
.rail::-webkit-scrollbar { width: 6px; }
.rail::-webkit-scrollbar-thumb { background: var(--ink-rule); border-radius: 3px; }

.brand {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink-rule);
}
.brand .mark {
  font-family: var(--serif-display);
  font-size: 1.65rem;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 72, "wght" 400, "SOFT" 50;
  color: var(--paper);
  display: block;
  line-height: 1;
}
.brand .mark .amp {
  color: var(--oxblood-bright);
  font-style: italic;
  font-variation-settings: "opsz" 72, "wght" 350, "SOFT" 100;
}
.brand .tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-top: 8px;
  display: block;
}

.rail-search {
  margin-bottom: 24px;
}
.rail-search input {
  width: 100%;
  padding: 8px 10px;
  background: var(--ink-deep);
  border: 1px solid var(--ink-rule);
  color: var(--paper);
  font-family: var(--serif-body);
  font-size: .88rem;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 180ms var(--ease);
}
.rail-search input:focus { border-color: var(--oxblood); }
.rail-search input::placeholder { color: var(--paper-soft); font-style: italic; }
.search-results {
  margin-top: 6px;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--ink-rule);
  background: var(--ink-deep);
  display: none;
}
.search-results.open { display: block; }
.search-result {
  padding: 8px 10px;
  border-bottom: 1px solid var(--ink-rule);
  font-size: .82rem;
  cursor: pointer;
  transition: background 120ms var(--ease);
}
.search-result:hover { background: var(--ink-soft); }
.search-result .kind {
  font-family: var(--mono);
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-aged);
  margin-right: 8px;
}

.rail-section {
  margin-bottom: 22px;
}
.rail-section .label {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-aged);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.rail-section .label .level-pill {
  background: transparent;
  border: 1px solid var(--ink-rule);
  padding: 1px 6px;
  font-size: .58rem;
  border-radius: 8px;
  color: var(--paper-dim);
}
.rail ul { list-style: none; padding: 0; margin: 0; }
.rail li a {
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 1px solid transparent;
  color: var(--paper-mid);
  transition: all 160ms var(--ease);
}
.rail li a:hover {
  color: var(--paper);
  border-left-color: var(--ink-rule);
}
.rail li a.active {
  color: var(--paper);
  border-left-color: var(--oxblood-bright);
  background: linear-gradient(90deg, rgba(139,46,60,.12), transparent 80%);
}
.rail li a.done::after {
  content: "✓";
  float: right;
  color: var(--green-ledger);
  font-size: .8rem;
}
.rail li a.locked {
  color: var(--paper-soft);
  cursor: not-allowed;
}
.rail li a.locked::after { content: "—"; float: right; color: var(--paper-soft); }

/* Main content */
.main {
  padding: 56px var(--gutter) 120px;
  max-width: calc(var(--content-w) + var(--side-w) + var(--gutter));
  display: grid;
  grid-template-columns: minmax(0, var(--content-w)) var(--side-w);
  gap: var(--gutter);
}

.content { min-width: 0; }

.aside {
  position: sticky;
  top: 56px;
  height: max-content;
  font-size: .85rem;
  padding: 18px;
  border: 1px solid var(--ink-rule);
  background: rgba(22, 38, 61, 0.4);
}
.aside h5 {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-aged);
  margin: 0 0 10px;
}
.aside ul { list-style: none; padding: 0; margin: 0 0 16px; }
.aside li { padding: 4px 0; border-bottom: 1px dotted var(--ink-rule); color: var(--paper-mid); }
.aside li:last-child { border: 0; }

.aside .progress-bar {
  height: 4px;
  background: var(--ink-deep);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 6px;
}
.aside .progress-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--oxblood) 0%, var(--gold-aged) 100%);
  transition: width 400ms var(--ease);
}

.aside-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.aside-actions button {
  flex: 1;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid var(--ink-rule);
  color: var(--paper-mid);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 160ms var(--ease);
}
.aside-actions button:hover { border-color: var(--oxblood-bright); color: var(--paper); }
.aside-actions button.active {
  border-color: var(--oxblood);
  background: rgba(139,46,60,.18);
  color: var(--paper);
}

/* ---------- Module elements ---------- */
.crumb {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 12px;
}
.crumb a { color: var(--gold-aged); }
.crumb a:hover { color: var(--paper); }
.crumb .sep { color: var(--paper-soft); margin: 0 8px; }

.module-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink-rule);
}
.pill {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--ink-rule);
  color: var(--paper-mid);
}
.pill.level { color: var(--gold-aged); border-color: var(--gold-aged); }
.pill.read   { color: var(--paper-dim); }
.pill.prereq { color: var(--oxblood-bright); border-color: var(--oxblood); }

.exit-signal {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--oxblood);
  background: rgba(139,46,60,.08);
}
.exit-signal h4 { margin-top: 0; color: var(--oxblood-bright); }
.exit-signal p { margin: 0; font-style: italic; color: var(--paper-mid); }

.opening {
  font-family: var(--serif-display);
  font-size: 1.32rem;
  font-variation-settings: "opsz" 36, "wght" 380;
  line-height: 1.5;
  color: var(--paper);
  margin: 32px 0;
}

/* ---------- Tables (financial-style) ---------- */
.tbl {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-family: var(--mono);
  font-size: .82rem;
  border-top: 2px solid var(--paper-dim);
  border-bottom: 2px solid var(--paper-dim);
}
.tbl thead th {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-aged);
  text-align: left;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--paper-dim);
  font-weight: 500;
}
.tbl thead th.num { text-align: right; }
.tbl tbody td {
  padding: 10px 12px 10px 0;
  border-bottom: 1px dotted var(--ink-rule);
  color: var(--paper);
}
.tbl tbody td.num { text-align: right; }
.tbl tbody td.label { font-family: var(--serif-body); color: var(--paper-mid); }
.tbl tbody tr:hover td { background: rgba(200,169,106,.04); }
.tbl tfoot td {
  padding: 10px 12px 10px 0;
  border-top: 1px solid var(--paper-dim);
  color: var(--gold-aged);
  font-weight: 600;
}
.up { color: var(--green-ledger); }
.down { color: var(--red-ledger); }

/* ---------- Figures / SVG charts ---------- */
.figure {
  margin: 28px 0;
  padding: 20px 22px 22px;
  border: 1px solid var(--ink-rule);
  background: rgba(22,38,61,.35);
}
.figure svg { width: 100%; height: auto; display: block; }
.figure .caption {
  font-family: var(--serif-body);
  font-style: italic;
  font-size: .84rem;
  color: var(--paper-dim);
  margin-top: 12px;
  line-height: 1.5;
}
.figure .caption strong {
  font-style: normal;
  font-weight: 600;
  color: var(--gold-aged);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

/* ---------- Citation ---------- */
.cite {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  vertical-align: super;
  color: var(--oxblood-bright);
  cursor: pointer;
  margin: 0 1px;
  padding: 0 2px;
  border-bottom: 1px dotted var(--oxblood);
  transition: all 120ms var(--ease);
}
.cite:hover { color: var(--gold-aged); border-bottom-color: var(--gold-aged); }

/* ---------- Glossary terms inline ---------- */
.term {
  border-bottom: 1px dotted var(--gold-aged);
  cursor: help;
  color: var(--paper);
}

/* ---------- Reading list ---------- */
.reading-list {
  margin: 32px 0;
  padding: 22px 26px;
  border: 1px solid var(--ink-rule);
  background: rgba(10,20,36,.6);
}
.reading-list h4 { margin-top: 0; color: var(--gold-aged); }
.reading-list ul { list-style: none; padding: 0; margin: 0; }
.reading-list li {
  padding: 8px 0;
  border-bottom: 1px dotted var(--ink-rule);
  font-size: .92rem;
}
.reading-list li:last-child { border: 0; }
.reading-list li .auth {
  font-style: italic;
  color: var(--paper-mid);
}
.reading-list li .why {
  display: block;
  margin-top: 2px;
  font-size: .82rem;
  color: var(--paper-dim);
}

/* ---------- Home / landing ---------- */
.hero {
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--ink-rule);
  margin-bottom: 40px;
}
.hero .ticker {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: 0.18em;
  color: var(--gold-aged);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 4.2rem;
  font-variation-settings: "opsz" 144, "wght" 350, "SOFT" 30;
  margin-bottom: 18px;
}
.hero h1 em {
  color: var(--oxblood-bright);
  font-variation-settings: "opsz" 144, "wght" 350, "SOFT" 80;
}
.hero .lede {
  font-family: var(--serif-display);
  font-size: 1.32rem;
  font-variation-settings: "opsz" 36, "wght" 380;
  line-height: 1.5;
  color: var(--paper-mid);
  max-width: 60ch;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.path-card {
  padding: 24px;
  border: 1px solid var(--ink-rule);
  background: rgba(22,38,61,.4);
  cursor: pointer;
  transition: all 220ms var(--ease);
  display: block;
}
.path-card:hover {
  border-color: var(--oxblood-bright);
  background: rgba(139,46,60,.08);
  transform: translateY(-2px);
}
.path-card .num {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: 0.18em;
  color: var(--gold-aged);
}
.path-card h3 {
  margin: 8px 0 10px;
  color: var(--paper);
}
.path-card p { color: var(--paper-mid); font-size: .92rem; margin: 0; }
.path-card .stat {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dotted var(--ink-rule);
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--paper-dim);
  display: flex;
  justify-content: space-between;
}

/* Live ticker bar on home */
.ticker-bar {
  padding: 14px 0;
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
  margin: 28px 0;
  font-family: var(--mono);
  font-size: .82rem;
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  color: var(--paper-mid);
}
.ticker-bar .item .label {
  font-size: .65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.ticker-bar .item .val { color: var(--paper); }
.ticker-bar .item .chg.up { color: var(--green-ledger); }
.ticker-bar .item .chg.down { color: var(--red-ledger); }

/* ---------- Glossary page ---------- */
.glossary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.glossary-entry {
  padding: 16px 0;
  border-bottom: 1px dotted var(--ink-rule);
}
.glossary-entry .term-name {
  font-family: var(--serif-display);
  font-size: 1.15rem;
  font-variation-settings: "opsz" 36, "wght" 500;
  color: var(--gold-aged);
  margin-bottom: 4px;
}
.glossary-entry .term-name .also {
  font-family: var(--serif-body);
  font-size: .82rem;
  font-style: italic;
  color: var(--paper-dim);
  margin-left: 12px;
  font-variation-settings: normal;
}
.glossary-entry .term-def { color: var(--paper); margin: 0; }
.glossary-entry .term-related {
  margin-top: 8px;
  font-size: .8rem;
  color: var(--paper-dim);
  font-style: italic;
}
.glossary-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 30px;
  padding: 16px 0;
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
}
.glossary-jump a {
  font-family: var(--mono);
  font-size: .82rem;
  padding: 3px 8px;
  border: 1px solid var(--ink-rule);
  color: var(--paper-mid);
}
.glossary-jump a:hover { border-color: var(--oxblood-bright); color: var(--paper); }

/* ---------- References page ---------- */
.ref-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: refs;
}
.ref-list li {
  padding: 14px 0 14px 48px;
  position: relative;
  border-bottom: 1px dotted var(--ink-rule);
  counter-increment: refs;
}
.ref-list li::before {
  content: "[" counter(refs) "]";
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--oxblood-bright);
}
.ref-list li .ref-id {
  display: none;
}
.ref-list li .ref-title { color: var(--paper); }
.ref-list li .ref-author { color: var(--paper-mid); font-style: italic; }
.ref-list li .ref-meta { color: var(--paper-dim); font-size: .85rem; }
.ref-list li a { color: var(--gold-aged); border-bottom: 1px dotted var(--gold-aged); }
.ref-list li a:hover { color: var(--paper); }
.ref-list li:target { background: rgba(200,169,106,.06); }

/* ---------- Markets index ---------- */
.markets-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.markets-table th, .markets-table td {
  padding: 12px 14px 12px 0;
  text-align: left;
  border-bottom: 1px solid var(--ink-rule);
}
.markets-table th {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-aged);
  font-weight: 500;
}
.markets-table tbody tr { cursor: pointer; transition: background 140ms var(--ease); }
.markets-table tbody tr:hover { background: rgba(139,46,60,.06); }
.markets-table .market-name {
  font-family: var(--serif-display);
  font-size: 1.05rem;
  color: var(--paper);
  font-variation-settings: "opsz" 36, "wght" 500;
}
.markets-table .market-region {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.markets-table .num { font-family: var(--mono); text-align: right; }

/* ---------- Inline numbers / KPIs ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
  margin: 24px 0;
  padding: 18px 0;
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
}
.kpi {
  font-family: var(--mono);
}
.kpi .lab {
  font-size: .65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 4px;
}
.kpi .v {
  font-size: 1.4rem;
  color: var(--paper);
  font-variation-settings: "wght" 500;
}
.kpi .delta {
  font-size: .82rem;
  margin-top: 2px;
}

/* ---------- Footnote popover (modal-lite) ---------- */
.popover {
  position: fixed;
  bottom: 0; right: 0;
  width: 360px;
  max-height: 60vh;
  background: var(--ink);
  border-left: 1px solid var(--oxblood);
  border-top: 1px solid var(--oxblood);
  padding: 18px 22px 22px;
  font-size: .88rem;
  color: var(--paper-mid);
  transform: translateY(100%);
  transition: transform 280ms var(--ease);
  z-index: 100;
  overflow-y: auto;
}
.popover.open { transform: translateY(0); }
.popover .close {
  float: right;
  background: transparent;
  border: 0;
  color: var(--paper-dim);
  font-size: 1.2rem;
  cursor: pointer;
}
.popover h5 {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-aged);
  margin: 0 0 10px;
}

/* ---------- Dependency graph (home) ---------- */
.dep-graph {
  margin: 32px 0;
  padding: 24px;
  border: 1px solid var(--ink-rule);
  background: rgba(10,20,36,.6);
  overflow-x: auto;
}
.dep-graph svg { display: block; min-width: 720px; }

/* ---------- Setup / utility ---------- */
.btn-link {
  display: inline-block;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--gold-aged);
  color: var(--gold-aged);
  margin: 12px 0;
  transition: all 180ms var(--ease);
}
.btn-link:hover { background: var(--gold-aged); color: var(--ink); }

hr.rule {
  border: 0;
  border-top: 1px solid var(--ink-rule);
  margin: 36px 0;
}
hr.ornament {
  border: 0;
  text-align: center;
  margin: 40px 0;
  height: 14px;
  line-height: 14px;
  color: var(--gold-aged);
  font-family: var(--serif-display);
}
hr.ornament::after { content: "❦"; }

ul.bullets li { margin-bottom: 6px; }

/* ---------- Mobile ---------- */
@media (max-width: 1100px) {
  .main { grid-template-columns: 1fr; }
  .aside { position: static; }
}
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .rail {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--ink-rule);
  }
  .main { padding: 36px 22px 80px; }
  .hero h1 { font-size: 2.6rem; }
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.6rem; }
  .popover { width: 100%; max-height: 70vh; }
}

/* ---------- Print ---------- */
@media print {
  body { background: white; color: black; }
  .rail, .aside, .popover { display: none; }
  .main { display: block; padding: 0; max-width: 100%; }
}

/* ---------- Initial reveal animation ---------- */
@keyframes settle {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.content > * { animation: settle 480ms var(--ease) both; }
.content > *:nth-child(1) { animation-delay: 0ms; }
.content > *:nth-child(2) { animation-delay: 60ms; }
.content > *:nth-child(3) { animation-delay: 120ms; }
.content > *:nth-child(4) { animation-delay: 180ms; }
.content > *:nth-child(5) { animation-delay: 240ms; }
.content > *:nth-child(6) { animation-delay: 300ms; }