/* ── tokens ──────────────────────────────────────────────────── */
/* The cover's palette (cover/render-cover.py in the book repo), nothing else.
   Ember is the one off-note and is used once, in the valley drawing. */
:root {
  --paper: #EDF0E6;
  --paper-deep: #E4E9DD;
  --ink: #22362A;
  --ink-soft: #4D6153;
  --ink-mute: #7E8F83;
  --sage: #8AA283;
  --rule: #9BB093;
  --hair: rgba(34, 54, 42, 0.28);
  --serif: "Lora", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1120px;
  --gutter: 32px;
  --frame: 18px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; color-scheme: light; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; line-height: 1.1; }
ol, ul { margin: 0; padding: 0; }
.plain { list-style: none; }

.mono {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.6;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.arrow { width: 16px; height: 16px; flex: none; transition: transform .18s ease; }

/* ── the frame ───────────────────────────────────────────────── */
/* Two hairlines with a tick scale down the left edge, as on the cover. Fixed,
   so the page scrolls behind it like a sheet pulled through a viewfinder. */
.frame {
  position: fixed;
  inset: var(--frame);
  border: 1px solid var(--hair);
  pointer-events: none;
  z-index: 60;
}
.frame::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid var(--hair);
  opacity: .5;
}
.frame::after {
  content: "";
  position: absolute;
  top: 24px; bottom: 24px; left: -1px;
  width: 6px;
  background: repeating-linear-gradient(to bottom, var(--hair) 0 1px, transparent 1px 24px);
  opacity: .9;
}

/* ── header ──────────────────────────────────────────────────── */
.site-header {
  padding-top: calc(var(--frame) + 14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 56px;
  border-bottom: 1px solid var(--hair);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
}
/* A ring and a point: the survey mark from the cover, in ink. */
.brand-mark {
  width: 14px; height: 14px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  position: relative;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--ink);
}
.brand-slash { color: var(--sage); margin-inline: 3px; }

.menu { display: flex; align-items: center; gap: 22px; }

.menu-link {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-block: 2px;
}
.menu-link:hover { color: var(--ink); border-color: var(--rule); }

.menu-btn {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 14px;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: background .15s ease, color .15s ease;
}
.menu-btn:hover { background: var(--ink); color: var(--paper); }

/* ── hero ────────────────────────────────────────────────────── */
.hero { padding-block: 64px 16px; }

.hero-inner {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 72px;
  align-items: start;
}
.hero-inner > * { min-width: 0; }

.hero-cover { margin: 0; }
.hero-cover img {
  border: 1px solid var(--hair);
  box-shadow: 0 1px 0 rgba(34, 54, 42, 0.06), 0 18px 40px -24px rgba(34, 54, 42, 0.35);
}
.hero-cover figcaption {
  margin-top: 12px;
  color: var(--ink-mute);
  font-size: 11px;
}

.hero-text { padding-top: 8px; max-width: 600px; }

.eyebrow { color: var(--ink-soft); }

.title {
  font-size: clamp(64px, 9vw, 108px);
  letter-spacing: 0.045em;
  line-height: 1;
  margin-top: 18px;
  margin-left: -0.03em;
}

.tagline {
  font-style: italic;
  font-size: 24px;
  margin-top: 14px;
  color: var(--ink-soft);
}

.author {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  letter-spacing: 0.16em;
}

.lede {
  margin-top: 30px;
  font-size: 20px;
  line-height: 1.6;
  max-width: 34em;
}

.cta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  transition: background .15s ease, color .15s ease;
}
.btn:hover { background: #1A2A20; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.cta-note {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.cta-note a { border-bottom: 1px solid var(--rule); }
.cta-note a:hover { border-color: var(--ink); color: var(--ink); }

.meta {
  margin: 44px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px;
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  text-transform: none;
  letter-spacing: 0.02em;
}
.meta div { display: grid; gap: 2px; }
.meta dt { font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); }
.meta dd { margin: 0; font-size: 13px; color: var(--ink); }

/* ── the valley ──────────────────────────────────────────────── */
.valley {
  margin-top: 40px;
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
  display: flex;
  justify-content: center;   /* a too-wide image overflows both sides equally */
}
.valley img {
  width: 100%;
  min-width: 900px;   /* keeps the line spacing readable when the viewport is narrow */
  flex: none;
}

/* ── sections ────────────────────────────────────────────────── */
.section { padding-block: 88px; border-bottom: 1px solid var(--hair); }
.section:last-of-type { border-bottom: 0; }

.section-num {
  color: var(--ink-mute);
  margin-bottom: 36px;
}

.h2 {
  font-size: clamp(30px, 4vw, 42px);
  letter-spacing: 0.005em;
  max-width: 22em;
}
.h3 { color: var(--ink-mute); margin-bottom: 16px; }

.prose p + p { margin-top: 1.1em; }
.prose em { font-style: italic; }
.prose strong { font-weight: 600; }

.question {
  font-style: italic;
  font-size: 30px;
  line-height: 1.25;
  margin-top: 1.4em !important;
  color: var(--ink);
}

/* the story */
.story-grid > *, .stories-grid > *, .fit-grid > *, .buy-inner > * { min-width: 0; }

.story-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: start;
}

.pull { position: sticky; top: 48px; }
.pull-quote {
  font-style: italic;
  font-size: clamp(48px, 6vw, 76px);
  line-height: 1;
  letter-spacing: -0.005em;
}
.pull-cap {
  margin-top: 22px;
  color: var(--ink-mute);
  max-width: 22em;
}

/* virtues */
.virtues { background: var(--paper-deep); }

.virtue-list {
  list-style: none;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hair);
  border-left: 1px solid var(--hair);
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 17px;
}
.virtue-list li {
  padding: 22px 18px 20px;
  border-right: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.virtue-list .n { font-size: 11px; color: var(--ink-mute); letter-spacing: 0.12em; }
.virtue-list li:last-child { font-weight: 500; }

.handwritten {
  margin-top: 28px;
  font-style: italic;
  font-size: 26px;
  color: var(--ink-soft);
  padding-left: 18px;
}
.virtue-note { margin-top: 20px; max-width: 38em; color: var(--ink-soft); }

/* stories */
.stories-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 72px;
  align-items: start;
}

.interlude {
  margin-top: 40px;
  padding-block: 4px;
  text-transform: none;
  letter-spacing: 0.01em;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 30em;
}
.interlude .rule { display: block; height: 1px; background: var(--rule); margin-block: 18px; width: 64px; }
.interlude p + p { margin-top: 8px; }

.story-list {
  list-style: none;
  counter-reset: story;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 13px;
  line-height: 1.5;
  columns: 2;
  column-gap: 28px;
  border-top: 1px solid var(--hair);
  padding-top: 18px;
}
.story-list li {
  counter-increment: story;
  break-inside: avoid;
  padding-block: 5px;
  display: flex;
  gap: 10px;
  color: var(--ink);
}
.story-list li::before {
  content: counter(story, decimal-leading-zero);
  color: var(--ink-mute);
  font-size: 11px;
  letter-spacing: 0.1em;
  flex: none;
  width: 22px;
  padding-top: 2px;
}

/* excerpt */
.excerpt-from { color: var(--ink-soft); margin-top: -20px; margin-bottom: 44px; }
.excerpt-from i { text-transform: none; letter-spacing: 0.02em; font-style: italic; }

.excerpt-text {
  max-width: 36em;
  font-size: 19px;
  line-height: 1.75;
}
.excerpt-text p + p { margin-top: 1.2em; }
.excerpt-text .first {
  font-size: 26px;
  line-height: 1.35;
  font-style: italic;
  margin-bottom: 1.4em;
}
.excerpt-more {
  max-width: 36em;
  margin: 44px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
}
.excerpt-more a { border-bottom: 1px solid var(--ink); }
.excerpt-more .mono { text-transform: none; letter-spacing: 0.02em; color: var(--ink-mute); }

/* fit */
.fit-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: start;
}
.fit-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 8px;
}
.fit-col ul { font-size: 16px; line-height: 1.5; }
.fit-col li { padding-block: 9px; border-top: 1px solid var(--hair); }
.fit-col li:last-child { border-bottom: 1px solid var(--hair); }
.contents li { display: grid; gap: 2px; }
.contents span { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); }
.contents small { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); letter-spacing: 0.02em; }

/* gud.place */
.gud { background: var(--ink); color: var(--paper); }
.gud .section-num { color: var(--sage); }
.gud .prose { font-size: 19px; max-width: 40em; }
.gud-link { border-bottom: 1px solid var(--sage); font-weight: 500; }
.gud-link:hover { border-color: var(--paper); }
.gud .question { color: var(--paper); }

/* buy */
.buy-inner {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 48px;
  align-items: center;
}
.buy-cover { border: 1px solid var(--hair); }
.buy-lede { margin-top: 14px; font-size: 19px; color: var(--ink-soft); max-width: 30em; }
.buy .cta { margin-top: 26px; gap: 12px; }
.buy .cta-note { margin-top: 14px; width: 100%; }

/* author */
.author-sec { padding-block: 56px 72px; }
.author-inner .prose { max-width: 40em; }

/* ── footer ──────────────────────────────────────────────────── */
.site-footer {
  padding-block: 28px calc(var(--frame) + 28px);
  color: var(--ink-mute);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  text-transform: none;
  letter-spacing: 0.03em;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { border-bottom: 1px solid transparent; }
.footer-links a:hover { color: var(--ink); border-color: var(--rule); }

/* ── responsive ──────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: minmax(220px, 300px) 1fr; gap: 44px; }
  .story-grid, .stories-grid, .fit-grid { grid-template-columns: 1fr; gap: 40px; }
  .pull { position: static; }
  .virtue-list { grid-template-columns: repeat(2, 1fr); }
  .fit-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; --frame: 10px; }
  body { font-size: 17px; }
  .frame::after { display: none; }
  .menu-link { display: none; }
  .header-inner { height: 52px; }
  .hero { padding-block: 40px 8px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-cover { max-width: 240px; }
  .title { font-size: clamp(44px, 13vw, 80px); }
  .lede { font-size: 18px; }
  .meta { grid-template-columns: 1fr; gap: 12px; }
  .section { padding-block: 60px; }
  .valley img { min-width: 720px; }
  .pull-quote { font-size: 48px; }
  .virtue-list { grid-template-columns: 1fr 1fr; font-size: 15px; }
  .virtue-list li { padding: 16px 12px 14px; }
  .story-list { columns: 1; }
  .fit-cols { grid-template-columns: 1fr; gap: 24px; }
  .excerpt-text { font-size: 17.5px; }
  .buy-inner { grid-template-columns: 120px 1fr; gap: 24px; }
  .buy .btn { width: 100%; justify-content: center; }
  .question { font-size: 25px; }
}

@media (max-width: 460px) {
  .buy-inner { grid-template-columns: 1fr; }
  .buy-cover { max-width: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .arrow, .btn, .menu-btn { transition: none; }
}