:root {
  --paper: #fbfaf6;
  --paper-2: #f4f1e8;
  --ink: #17392c;
  --text: #2f3732;
  --muted: #68716b;
  --line: #d9ddd5;
  --line-strong: #aeb8ae;
  --orange: #e8461b;
  --orange-soft: #fff1eb;
  --sage: #788b60;
  --sage-soft: #eef2e8;
  --blue: #6f98b5;
  --blue-soft: #edf4f8;
  --yellow: #e5ad27;
  --yellow-soft: #fff7df;
  --danger: #b42318;
  --danger-soft: #fff0ed;
  --white: #fff;
  --max: 1320px;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shadow: 0 14px 40px rgba(23, 57, 44, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--orange); }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { color: var(--ink); background: #f7d9c7; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid rgba(232, 70, 27, .35); outline-offset: 3px; }

[data-site-header] {
  position: sticky;
  top: 0;
  z-index: 80;
}
.site-header {
  position: relative;
  background: rgba(251, 250, 246, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.header-inner {
  width: min(calc(100% - 48px), var(--max));
  min-height: 82px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand strong { font-family: var(--serif); font-size: 24px; letter-spacing: .04em; }
.brand span { color: var(--muted); font-size: 13px; letter-spacing: .08em; }
.site-nav { justify-self: center; }
.site-nav ul { display: flex; align-items: center; gap: 25px; margin: 0; padding: 0; list-style: none; }
.site-nav a {
  position: relative;
  display: block;
  padding: 27px 0 25px;
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
}
.site-nav a[aria-current="page"]::after,
.site-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--orange);
}
.emergency-link,
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 17px;
  border: 1px solid currentColor;
  border-radius: 3px;
  background: transparent;
  color: var(--orange);
  font-weight: 680;
  text-decoration: none;
  cursor: pointer;
}
.emergency-link svg, .button svg { width: 19px; height: 19px; }
.button.primary { border-color: var(--orange); background: var(--orange); color: #fff; }
.button.ink { border-color: var(--ink); background: var(--ink); color: #fff; }
.button.quiet { border-color: var(--line-strong); color: var(--ink); background: var(--paper); }
.button:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(23, 57, 44, .1); }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; }
.menu-toggle svg { width: 22px; height: 22px; margin: auto; }

.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 48px), 860px); margin-inline: auto; }
.section { padding: 76px 0; border-top: 1px solid var(--line); }
.section.compact { padding: 48px 0; }
.kicker,
.eyebrow,
.evidence-tag,
.section-index {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.kicker, .eyebrow { color: var(--orange); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 460px); gap: 48px; align-items: end; margin-bottom: 36px; }
.section-heading h2,
.page-title,
.article h1,
.article h2,
.article h3,
.hero h1 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 650;
  line-height: 1.18;
  text-wrap: balance;
}
.section-heading h2 { margin: 8px 0 0; font-size: clamp(34px, 4vw, 52px); }
.section-heading p { margin: 0; color: var(--muted); }
.rule-mark { width: 52px; height: 3px; margin: 18px 0; background: var(--orange); }

.hero { border-bottom: 1px solid var(--line); }
.hero-grid {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(330px, .85fr) minmax(420px, 1.3fr) minmax(260px, .72fr);
  align-items: stretch;
}
.hero-copy { padding: 72px 46px 48px 0; display: flex; flex-direction: column; justify-content: center; }
.hero-copy h1 { margin: 10px 0 22px; font-size: clamp(44px, 3.5vw, 58px); letter-spacing: -.035em; }
.hero-copy > p { max-width: 590px; margin: 0 0 24px; color: #4f5852; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 6px 0 24px; }
.age-stamp { display: flex; align-items: center; gap: 12px; color: var(--sage); font-size: 14px; }
.age-stamp .dot-face { width: 30px; height: 30px; border: 1px solid var(--sage); border-radius: 50%; display: grid; place-items: center; font-weight: 800; }
.hero-media { position: relative; min-height: 520px; overflow: hidden; background: #e8e7df; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media figcaption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 7px 10px;
  background: rgba(251,250,246,.92);
  color: var(--muted);
  font-size: 12px;
}
.today-list { padding: 44px 0 44px 34px; border-left: 1px solid var(--line); }
.today-list h2 { margin: 0 0 12px; color: var(--ink); font-family: var(--serif); font-size: 25px; }
.today-list ol { margin: 0; padding: 0; list-style: none; counter-reset: today; }
.today-list li {
  min-height: 66px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 13px;
  align-items: center;
  border-top: 1px solid var(--line);
  counter-increment: today;
}
.today-list li::before {
  content: "0" counter(today);
  color: var(--sage);
  font-family: var(--mono);
  font-size: 13px;
}
.today-list a { color: var(--text); text-decoration: none; }
.today-list a:hover { color: var(--orange); }
.today-note { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.stage-rail-wrap { border-bottom: 1px solid var(--line); background: #fff; }
.stage-rail { display: grid; grid-template-columns: repeat(7, minmax(132px, 1fr)); overflow-x: auto; scrollbar-width: thin; }
.stage-link {
  position: relative;
  min-height: 124px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.stage-link:last-child { border-right: 0; }
.stage-link .stage-no { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.stage-link strong { font-family: var(--serif); font-size: 21px; font-weight: 600; }
.stage-link small { color: var(--muted); }
.stage-link.current,
.stage-link:hover { color: var(--orange); }
.stage-link.current::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 3px; background: var(--orange); }

.entry-modes { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.entry-mode { min-height: 210px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; }
.entry-mode .entry-no { color: var(--orange); font-family: var(--mono); font-size: 12px; }
.entry-mode h3 { margin: 20px 0 10px; color: var(--ink); font-family: var(--serif); font-size: 24px; }
.entry-mode p { margin: 0; color: var(--muted); font-size: 15px; }
.entry-mode .arrow { display: block; margin-top: 19px; color: var(--sage); }
.entry-mode:hover { background: var(--sage-soft); color: var(--ink); }

.path-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.path-item { min-height: 210px; padding: 25px 20px 24px; border-right: 1px solid var(--line); }
.path-item:last-child { border-right: 0; }
.path-item .path-symbol { width: 38px; height: 38px; display: grid; place-items: center; color: var(--sage); font-family: var(--serif); font-size: 29px; }
.path-item:nth-child(2) .path-symbol { color: var(--blue); }
.path-item:nth-child(3) .path-symbol { color: var(--yellow); }
.path-item:nth-child(4) .path-symbol { color: var(--orange); }
.path-item h3 { margin: 17px 0 7px; color: var(--ink); font-family: var(--serif); font-size: 20px; }
.path-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.current-week { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.week-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.week-list li { display: grid; grid-template-columns: 120px 1fr; gap: 22px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.week-list time, .week-list strong { color: var(--ink); font-family: var(--mono); font-size: 12px; }
.week-list p { margin: 0; }
.not-needed { padding: 28px; background: var(--sage-soft); border-left: 4px solid var(--sage); }
.not-needed h3 { margin: 0 0 12px; color: var(--ink); font-family: var(--serif); font-size: 24px; }
.not-needed ul { margin: 0; padding-left: 1.15em; }

.page-hero { padding: 68px 0 48px; border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 420px); gap: 64px; align-items: end; }
.page-title { margin: 9px 0 18px; font-size: clamp(45px, 6vw, 76px); }
.page-lead { max-width: 760px; margin: 0; color: var(--muted); font-size: 19px; }
.page-aside { padding: 22px 0 0 26px; border-left: 1px solid var(--line-strong); }
.page-aside p { margin: 0; }
.page-aside strong { color: var(--ink); }
.metadata { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 23px; color: var(--muted); font-family: var(--mono); font-size: 12px; }

.subnav { position: sticky; top: 82px; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(251, 250, 246, .96); }
.subnav-inner { display: flex; gap: 7px; padding: 10px 0; overflow-x: auto; }
.subnav a { flex: 0 0 auto; padding: 7px 11px; border-bottom: 2px solid transparent; color: var(--muted); font-size: 14px; text-decoration: none; }
.subnav a:hover, .subnav a.active { color: var(--ink); border-color: var(--orange); }

.content-shell { display: grid; grid-template-columns: 238px minmax(0, 790px) minmax(0, 1fr); gap: 46px; align-items: start; padding: 64px 0 96px; }
.toc { position: sticky; top: 146px; max-height: calc(100vh - 172px); overflow: auto; padding-right: 20px; border-right: 1px solid var(--line); }
.toc h2 { margin: 0 0 15px; color: var(--ink); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; }
.toc ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: grid; grid-template-columns: 28px 1fr; gap: 5px; padding: 8px 0; color: var(--muted); font-size: 13px; line-height: 1.45; text-decoration: none; }
.toc a::before { content: counter(toc, decimal-leading-zero); color: var(--line-strong); font-family: var(--mono); }
.toc a:hover { color: var(--orange); }
.side-note { position: sticky; top: 150px; padding: 22px 0 0 22px; border-left: 2px solid var(--sage); color: var(--muted); font-size: 14px; }
.side-note strong { color: var(--ink); }
.mobile-toc { display: none; }

.article { min-width: 0; }
.article > section { margin-bottom: 78px; scroll-margin-top: 156px; }
.article h2 { margin: 0 0 20px; font-size: clamp(31px, 4vw, 44px); }
.article h3 { margin: 32px 0 10px; font-size: 24px; }
.article h4 { margin: 24px 0 8px; color: var(--ink); font-size: 16px; }
.article p { margin: 0 0 17px; }
.article ul, .article ol { padding-left: 1.25em; }
.article li + li { margin-top: 8px; }
.article .lede { color: #455149; font-family: var(--serif); font-size: 24px; line-height: 1.6; }
.article blockquote { margin: 28px 0; padding: 18px 0 18px 22px; border-left: 3px solid var(--orange); color: var(--ink); font-family: var(--serif); font-size: 21px; }
.section-number { display: block; margin-bottom: 8px; color: var(--orange); font-family: var(--mono); font-size: 12px; }
.source-note { margin-top: 18px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.source-note a { color: inherit; }
.evidence-tag { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 7px; border: 1px solid var(--line-strong); color: var(--muted); background: var(--paper); }
.evidence-tag.safety { border-color: var(--danger); color: var(--danger); }
.evidence-tag.guide { border-color: var(--sage); color: var(--sage); }
.evidence-tag.option { border-color: var(--blue); color: #476c86; }

.callout { margin: 26px 0; padding: 23px 25px; border: 1px solid var(--line); border-left-width: 5px; background: #fff; }
.callout h3, .callout h4 { margin-top: 0; }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }
.callout.safety { border-left-color: var(--danger); background: var(--danger-soft); }
.callout.guide { border-left-color: var(--sage); background: var(--sage-soft); }
.callout.note { border-left-color: var(--blue); background: var(--blue-soft); }
.callout.choice { border-left-color: var(--yellow); background: var(--yellow-soft); }

.tonight-plan { display: grid; grid-template-columns: repeat(3, 1fr); margin: 28px 0; border: 1px solid var(--line-strong); background: #fff; }
.tonight-step { padding: 24px; border-right: 1px solid var(--line); }
.tonight-step:last-child { border-right: 0; }
.tonight-step .step-no { color: var(--orange); font-family: var(--mono); font-size: 12px; }
.tonight-step h3 { margin: 12px 0 7px; font-size: 20px; }
.tonight-step p { margin: 0; color: var(--muted); font-size: 14px; }

.teaching-figure { margin: 32px 0; border: 1px solid var(--line-strong); background: #fff; }
.teaching-figure .figure-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.teaching-figure .figure-head h3 { margin: 0; font-size: 20px; }
.teaching-figure .figure-head span { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.teaching-figure .figure-body { padding: 22px; }
.teaching-figure figcaption { padding: 12px 20px 16px; color: var(--muted); font-size: 13px; }

.sleep-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.sleep-panel { min-height: 310px; padding: 24px; background: var(--paper); }
.sleep-panel.good { border-top: 5px solid var(--sage); }
.sleep-panel.bad { border-top: 5px solid var(--danger); }
.sleep-panel h4 { display: flex; align-items: center; gap: 9px; margin: 0 0 16px; font-size: 18px; }
.crib-diagram { position: relative; height: 130px; margin: 20px 0; border: 4px solid var(--ink); border-top: 0; background: var(--paper-2); }
.crib-diagram::before { content: ""; position: absolute; left: 8%; right: 8%; bottom: 20px; height: 22px; border: 2px solid var(--sage); background: #fff; }
.crib-diagram .baby { position: absolute; left: 42%; bottom: 46px; width: 48px; height: 23px; border: 2px solid var(--orange); border-radius: 50% 50% 44% 44%; transform: rotate(-3deg); }
.crib-diagram .baby::after { content: ""; position: absolute; right: -13px; top: 1px; width: 18px; height: 18px; border: 2px solid var(--orange); border-radius: 50%; background: var(--paper); }
.crib-diagram.unsafe::before { transform: rotate(8deg); background: #eadfd7; }
.crib-diagram.unsafe .pillow { position: absolute; right: 12%; bottom: 44px; width: 52px; height: 28px; border: 2px dashed var(--danger); transform: rotate(-12deg); }
.crib-diagram.unsafe .toy { position: absolute; left: 12%; bottom: 46px; width: 25px; height: 35px; border: 2px dashed var(--danger); border-radius: 50%; }
.figure-checks { margin: 0; padding: 0; list-style: none; }
.figure-checks li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; margin: 7px 0; }
.good .figure-checks li::before { content: "✓"; color: var(--sage); font-weight: 800; }
.bad .figure-checks li::before { content: "×"; color: var(--danger); font-weight: 800; }

.flow { display: grid; gap: 12px; }
.flow-node { position: relative; padding: 16px 18px; border: 1px solid var(--line-strong); background: #fff; }
.flow-node:not(:last-child)::after { content: "↓"; position: absolute; left: 50%; bottom: -24px; z-index: 2; color: var(--orange); background: var(--paper); transform: translateX(-50%); }
.flow-node.question { border-color: var(--blue); background: var(--blue-soft); text-align: center; font-weight: 700; }
.flow-branches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.flow-branch { padding: 18px; border-top: 4px solid var(--sage); background: var(--sage-soft); }
.flow-branch.danger { border-color: var(--danger); background: var(--danger-soft); }
.flow-branch h4 { margin-top: 0; }

.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 24px 0; border: 1px solid var(--line); background: var(--line); }
.signal { padding: 21px; background: #fff; }
.signal h4 { margin: 0 0 12px; }
.signal.hunger h4 { color: var(--orange); }
.signal.full h4 { color: var(--sage); }
.signal.pause h4 { color: var(--blue); }
.signal ul { margin-bottom: 0; }

.handoff-card { border: 1px solid var(--line-strong); background: #fff; }
.handoff-title { padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--ink); color: #fff; font-family: var(--serif); font-size: 21px; }
.handoff-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.handoff-field { min-height: 94px; padding: 15px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.handoff-field:nth-child(even) { border-right: 0; }
.handoff-field label { display: block; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.handoff-field span { display: block; margin-top: 9px; color: var(--ink); }

.triage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 26px 0; }
.triage { padding: 24px; border: 1px solid var(--line-strong); background: #fff; }
.triage.emergency { border-top: 7px solid var(--danger); }
.triage.today { border-top: 7px solid var(--yellow); }
.triage.appointment { border-top: 7px solid var(--blue); }
.triage .triage-action { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.triage h2, .triage h3 { margin: 7px 0 12px; font-family: var(--serif); font-size: 25px; }
.triage ul { padding-left: 1.1em; }
.triage li { font-size: 15px; }

.stage-chapter { margin-bottom: 92px; }
.stage-banner { display: grid; grid-template-columns: 160px 1fr; gap: 34px; align-items: start; padding: 32px 0; border-top: 4px solid var(--ink); border-bottom: 1px solid var(--line-strong); }
.stage-banner .stage-age { color: var(--orange); font-family: var(--serif); font-size: 30px; }
.stage-banner h2 { margin: 0 0 10px; color: var(--ink); font-family: var(--serif); font-size: clamp(34px, 5vw, 52px); }
.stage-banner p { margin: 0; color: var(--muted); }
.priority-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.priority-item { padding: 23px; border-right: 1px solid var(--line); }
.priority-item:last-child { border-right: 0; }
.priority-item small { color: var(--orange); font-family: var(--mono); }
.stage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; padding: 36px 0; }
.module { padding-top: 18px; border-top: 1px solid var(--line-strong); }
.module.wide { grid-column: 1 / -1; }
.module h3 { margin: 0 0 12px; color: var(--ink); font-family: var(--serif); font-size: 24px; }
.module h4 { margin: 20px 0 6px; }
.module ul { padding-left: 1.1em; }
.cultivation-six { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cultivation-six > div { padding: 16px; border-top: 3px solid var(--sage); background: var(--sage-soft); }
.cultivation-six h4 { margin: 0 0 7px; color: var(--ink); }
.activity-card { padding: 24px; border: 1px solid var(--line-strong); background: var(--yellow-soft); }
.activity-card .activity-time { color: #8b6100; font-family: var(--mono); font-size: 12px; }
.script { padding: 19px 22px; border-left: 4px solid var(--blue); background: var(--blue-soft); color: var(--ink); font-family: var(--serif); font-size: 19px; }

.path-timeline { border-top: 1px solid var(--line-strong); }
.path-row { display: grid; grid-template-columns: 180px repeat(7, minmax(125px, 1fr)); min-width: 1110px; border-bottom: 1px solid var(--line); }
.path-row > div { padding: 16px 14px; border-right: 1px solid var(--line); font-size: 13px; }
.path-row > div:last-child { border-right: 0; }
.path-row .path-name { position: sticky; left: 0; z-index: 2; background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 18px; }
.path-row.header > div { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.path-timeline-wrap { overflow-x: auto; }

.principle-list { counter-reset: principle; border-top: 1px solid var(--line-strong); }
.principle { display: grid; grid-template-columns: 68px 250px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); counter-increment: principle; }
.principle::before { content: "0" counter(principle); color: var(--orange); font-family: var(--mono); }
.principle h3 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: 22px; }
.principle p { margin: 0; color: var(--muted); }

.checklist-toolbar { position: sticky; top: 82px; z-index: 45; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); background: rgba(251,250,246,.96); }
.progress-copy { color: var(--muted); font-size: 14px; }
.progress-bar { width: 210px; height: 7px; background: var(--line); overflow: hidden; }
.progress-bar span { display: block; height: 100%; background: var(--sage); transition: width .2s ease; }
.checklist-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; padding: 46px 0; }
.checklist-card { padding: 27px; border: 1px solid var(--line-strong); background: #fff; break-inside: avoid; }
.checklist-card h2 { margin: 0 0 5px; color: var(--ink); font-family: var(--serif); font-size: 26px; }
.checklist-card .checklist-use { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.checklist-card label { display: grid; grid-template-columns: 24px 1fr; gap: 11px; align-items: start; padding: 10px 0; border-top: 1px solid var(--line); cursor: pointer; }
.checklist-card input[type="checkbox"] { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--sage); }
.checklist-card input:checked + span { color: var(--muted); text-decoration: line-through; }

.record-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-weight: 650; }
.field input, .field textarea, .field select { width: 100%; min-height: 47px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 0; background: #fff; color: var(--text); }
.field textarea { min-height: 120px; resize: vertical; }

.data-table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); }
.data-table { width: 100%; min-width: 720px; border-collapse: collapse; background: #fff; }
.data-table th, .data-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); vertical-align: top; text-align: left; }
.data-table th { background: var(--paper-2); color: var(--ink); font-size: 14px; }
.data-table td { font-size: 14px; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table th:last-child, .data-table td:last-child { border-right: 0; }

.source-list { border-top: 1px solid var(--line-strong); }
.source-item { display: grid; grid-template-columns: 150px 1fr 180px; gap: 24px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.source-item .source-org { color: var(--orange); font-family: var(--mono); font-size: 12px; }
.source-item h3 { margin: 0 0 6px; color: var(--ink); font-family: var(--serif); font-size: 20px; }
.source-item p { margin: 0; color: var(--muted); font-size: 13px; }
.source-item .source-meta { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.glossary { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.term { padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.term dt { color: var(--ink); font-family: var(--serif); font-size: 20px; font-weight: 650; }
.term dd { margin: 7px 0 0; color: var(--muted); font-size: 14px; }

.site-footer { padding: 54px 0 28px; border-top: 1px solid var(--line-strong); background: var(--paper-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 58px; }
.footer-brand { color: var(--ink); font-family: var(--serif); font-size: 28px; }
.footer-copy { max-width: 510px; color: var(--muted); font-size: 14px; }
.footer-links { display: grid; gap: 8px; align-content: start; }
.footer-links h2 { margin: 0 0 5px; color: var(--ink); font-family: var(--mono); font-size: 12px; }
.footer-links a { color: var(--muted); font-size: 14px; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: 11px; }

.no-js { padding: 12px; border-bottom: 1px solid var(--danger); background: var(--danger-soft); color: var(--danger); text-align: center; }
.empty-state { padding: 28px; border: 1px dashed var(--line-strong); color: var(--muted); }
.print-only { display: none; }
.hidden { display: none !important; }

@media (max-width: 1180px) {
  .header-inner { grid-template-columns: auto auto auto; gap: 16px; }
  .site-nav { display: none; position: fixed; inset: 82px 0 0; width: 100%; justify-self: stretch; padding: 24px; background: var(--paper); overflow-y: auto; }
  .site-nav.open { display: block; }
  .site-nav ul { display: grid; gap: 0; }
  .site-nav a { padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 18px; }
  .site-nav a[aria-current="page"]::after, .site-nav a:hover::after { display: none; }
  .menu-toggle { display: block; justify-self: end; }
  .emergency-link { justify-self: end; }
  .hero-grid { grid-template-columns: minmax(340px, .9fr) minmax(420px, 1.1fr); }
  .today-list { grid-column: 1 / -1; display: grid; grid-template-columns: 220px 1fr; gap: 28px; padding: 26px 0; border-left: 0; border-top: 1px solid var(--line); }
  .today-list ol { display: grid; grid-template-columns: repeat(5, 1fr); }
  .today-list li { grid-template-columns: 25px 1fr; padding: 0 12px; border-top: 0; border-left: 1px solid var(--line); font-size: 14px; }
  .today-note { grid-column: 1 / -1; margin: 0; }
  .path-grid { grid-template-columns: repeat(3, 1fr); }
  .path-item:nth-child(3) { border-right: 0; }
  .path-item:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .content-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .side-note { display: none; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 74px; }
  body { font-size: 16px; line-height: 1.7; }
  .header-inner, .container, .narrow { width: min(calc(100% - 32px), var(--max)); }
  .header-inner { min-height: 70px; grid-template-columns: 1fr auto; }
  .site-header { backdrop-filter: none; }
  .brand strong { font-size: 21px; }
  .brand span { display: none; }
  .menu-toggle { grid-column: 2; grid-row: 1; }
  .emergency-link { position: fixed; right: 15px; bottom: 15px; z-index: 77; min-height: 48px; padding: 10px 14px; background: var(--danger); color: #fff; box-shadow: var(--shadow); }
  .site-nav { inset: 70px 0 0; }
  .section { padding: 56px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 15px; }
  .section-heading h2 { font-size: 36px; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; }
  .hero-copy { padding: 48px 0 36px; }
  .hero-copy h1 { font-size: clamp(50px, 14vw, 68px); }
  .hero-media { min-height: 380px; margin-inline: -16px; }
  .today-list { grid-template-columns: 1fr; padding: 28px 0 34px; }
  .today-list ol { grid-template-columns: 1fr; }
  .today-list li { min-height: 54px; padding: 0; border-left: 0; border-top: 1px solid var(--line); }
  .stage-rail-wrap .container { width: 100%; }
  .stage-rail { grid-template-columns: repeat(7, 142px); }
  .stage-link { min-height: 105px; }
  .entry-modes { grid-template-columns: 1fr 1fr; }
  .path-grid { grid-template-columns: 1fr 1fr; }
  .path-item:nth-child(3) { border-right: 1px solid var(--line); }
  .path-item:nth-child(even) { border-right: 0; }
  .path-item:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .current-week { grid-template-columns: 1fr; }
  .page-hero { padding: 48px 0 34px; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .page-title { font-size: 48px; }
  .page-aside { border-left-color: var(--sage); }
  .subnav { top: 70px; }
  .content-shell { display: block; padding: 34px 0 70px; }
  .toc { display: none; }
  .mobile-toc { display: block; margin-bottom: 32px; border: 1px solid var(--line-strong); background: #fff; }
  .mobile-toc summary { min-height: 48px; display: flex; align-items: center; padding: 10px 14px; color: var(--ink); font-weight: 700; cursor: pointer; }
  .mobile-toc ol { margin: 0; padding: 0 20px 16px 36px; }
  .article > section { margin-bottom: 62px; }
  .tonight-plan { grid-template-columns: 1fr; }
  .tonight-step { border-right: 0; border-bottom: 1px solid var(--line); }
  .tonight-step:last-child { border-bottom: 0; }
  .sleep-compare, .signal-grid, .triage-grid { grid-template-columns: 1fr; }
  .flow-branches { grid-template-columns: 1fr; }
  .stage-banner { grid-template-columns: 1fr; gap: 8px; }
  .priority-strip { grid-template-columns: 1fr; }
  .priority-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .stage-grid { grid-template-columns: 1fr; gap: 32px; }
  .module.wide { grid-column: auto; }
  .cultivation-six { grid-template-columns: 1fr 1fr; }
  .principle { grid-template-columns: 45px 1fr; gap: 12px; }
  .principle p { grid-column: 2; }
  .checklist-toolbar { top: 70px; align-items: flex-start; }
  .progress-bar { width: 120px; }
  .checklist-grid { grid-template-columns: 1fr; }
  .source-item { grid-template-columns: 110px 1fr; }
  .source-item .source-meta { grid-column: 2; }
  .glossary, .record-form { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  .hero-copy h1 { font-size: 47px; }
  .hero-media { min-height: 290px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .entry-modes, .path-grid { grid-template-columns: 1fr; }
  .entry-mode { min-height: 170px; }
  .path-item, .path-item:nth-child(3) { border-right: 0; border-bottom: 1px solid var(--line); }
  .path-item:last-child { border-bottom: 0; }
  .week-list li { grid-template-columns: 1fr; gap: 5px; }
  .page-title { font-size: 40px; }
  .article h2 { font-size: 32px; }
  .cultivation-six { grid-template-columns: 1fr; }
  .handoff-grid { grid-template-columns: 1fr; }
  .handoff-field { border-right: 0; }
  .checklist-toolbar { position: static; flex-direction: column; }
  .source-item { grid-template-columns: 1fr; gap: 7px; }
  .source-item .source-meta { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  :root { --paper: #fff; --text: #111; --ink: #111; --muted: #333; --line: #bbb; }
  body { font-size: 11pt; background: #fff; }
  .site-header, .subnav, .site-footer, .emergency-link, .button, .menu-toggle, .checklist-toolbar, .mobile-toc, .toc, .side-note, .no-print { display: none !important; }
  .print-only { display: block; }
  .container, .narrow { width: 100%; }
  .page-hero { padding: 0 0 16pt; }
  .page-title { font-size: 28pt; }
  .content-shell { display: block; padding: 16pt 0 0; }
  .article > section, .stage-chapter { break-inside: avoid; margin-bottom: 26pt; }
  .teaching-figure, .callout, .activity-card, .handoff-card, .checklist-card { break-inside: avoid; box-shadow: none; }
  .checklist-grid { display: block; padding: 0; }
  .checklist-card { margin-bottom: 18pt; }
  a { color: #111; text-decoration: none; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; word-break: break-all; }
}