/* ==========================================================================
   TERMINAL VALUE — design system
   Austere, essay-first, serif. One accent. Nothing decorative.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400..700;1,400..600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- 1. Tokens ---------- */

:root {
  /* Light — "paper" */
  --paper:      #F7F5F0;
  --paper-2:    #EFECE3;
  --paper-3:    #E6E2D6;
  --ink:        #13120F;
  --ink-2:      #3C3930;
  --muted:      #6E6A5D;
  --rule:       #DCD6C7;
  --rule-soft:  #E8E3D7;
  --accent:     #A63C1E;
  --accent-ink: #8C2F14;
  --accent-wash:rgba(166, 60, 30, 0.09);
  --void:       #0C0C0A;
  --void-ink:   #EDE9DF;

  --serif: 'EB Garamond', 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, 'Times New Roman', serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;

  --measure: 34rem;          /* ~66 characters */
  --shell:   72rem;
  --gutter:  clamp(1.25rem, 5vw, 3.5rem);

  --step: clamp(3.5rem, 9vw, 7rem);   /* vertical section rhythm */
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #0D0D0B;
    --paper-2:    #141412;
    --paper-3:    #1B1A17;
    --ink:        #EDE9DF;
    --ink-2:      #C6C1B4;
    --muted:      #8E897B;
    --rule:       #2B2A24;
    --rule-soft:  #201F1B;
    --accent:     #D9714F;
    --accent-ink: #E8896A;
    --accent-wash:rgba(217, 113, 79, 0.12);
    --void:       #050504;
    --void-ink:   #EDE9DF;
  }
}

/* ---------- 2. Reset & base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 0.35vw + 1rem, 1.1875rem);
  line-height: 1.62;
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

p { margin: 0 0 1.15em; }

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.014em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 6.2vw, 4.25rem); letter-spacing: -0.026em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 1.6vw, 1.5rem); letter-spacing: -0.008em; }
h4 { font-size: 1.0625rem; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: var(--step) 0;
}

::selection { background: var(--accent); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 3. Utilities ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.measure { max-width: var(--measure); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
  transform: translateY(-0.28em);
}

.eyebrow--plain::after { display: none; }

.num {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.lede {
  font-size: clamp(1.1875rem, 1.1vw + 1rem, 1.5rem);
  line-height: 1.48;
  color: var(--ink-2);
  letter-spacing: -0.011em;
}

.small {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--muted);
}

.mono {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.sc {
  font-variant-caps: all-small-caps;
  letter-spacing: 0.09em;
}

.center { text-align: center; }
.dim { color: var(--muted); }

/* prose links */
.prose a,
.link {
  color: inherit;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 0.5px;
  transition: background-color .18s ease, color .18s ease;
}
.prose a:hover,
.link:hover { background: var(--accent-wash); color: var(--accent-ink); }

/* ---------- 4. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

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

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

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

.btn__arrow { transition: transform .2s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- 5. Draft ribbon (remove before launch) ---------- */

.draft-bar {
  background: var(--void);
  color: var(--void-ink);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.5rem 1rem;
}
.draft-bar b { color: var(--accent); font-weight: 500; }

/* ---------- 6. Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--rule-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.brand__mark { width: 26px; height: 26px; flex-shrink: 0; }

.brand__word {
  font-family: var(--serif);
  font-size: 1.0625rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.15em;
  font-weight: 600;
  white-space: nowrap;
}

.nav { display: flex; align-items: center; gap: 2rem; }

.nav a {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  padding-block: 0.4rem;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.nav__cta {
  border: 1px solid var(--rule) !important;
  padding: 0.55rem 1rem !important;
  color: var(--ink) !important;
}
.nav__cta:hover { background: var(--ink); color: var(--paper) !important; border-color: var(--ink) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 4.5rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem var(--gutter) 1.75rem;
    transform: translateY(-120%);
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    max-height: calc(100dvh - 4.5rem);
    overflow-y: auto;
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav a {
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule-soft);
    font-size: 0.8rem;
  }
  .nav__cta { margin-top: 1.25rem; text-align: center; }
}

/* ---------- 7. Hero ---------- */

.hero { padding: clamp(4rem, 10vw, 8.5rem) 0 clamp(3rem, 6vw, 5rem); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
}

.hero h1 { margin-bottom: 1.5rem; }
.hero h1 em { font-style: italic; color: var(--accent); }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

/* figure: the terminal-value curve */
.figure {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 1.5rem 1.5rem 1.1rem;
}
.figure svg { width: 100%; height: auto; }
.figure figcaption {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
  text-transform: uppercase;
}

/* ---------- 8. Sections ---------- */

.section { padding-block: var(--step); }
.section--rule { border-top: 1px solid var(--rule); }
.section--tint { background: var(--paper-2); border-block: 1px solid var(--rule); }

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__head .lede { max-width: var(--measure); }

/* ---------- 9. Ledger (numbered rows) ---------- */

.ledger { border-top: 1px solid var(--rule); }

.ledger__row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

@media (max-width: 760px) {
  .ledger__row { grid-template-columns: 3rem minmax(0, 1fr); }
  .ledger__row .ledger__body { grid-column: 2; }
}

.ledger__row h3 { margin: 0; }
.ledger__body { color: var(--ink-2); }
.ledger__body p:last-child { margin-bottom: 0; }

.ledger__meta {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.75rem;
}

/* ---------- 10. Card grid ---------- */

.grid { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 860px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.card h3 { margin: 0; }
.card p { color: var(--ink-2); margin: 0; }
.card__meta {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 11. Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.stat { background: var(--paper); padding: 1.75rem 1.5rem; }
.stat__n {
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 600;
  display: block;
  margin-bottom: 0.6rem;
}
.stat__l {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 12. Void (inverted) block ---------- */

.void {
  background: var(--void);
  color: var(--void-ink);
}
.void h2, .void h3 { color: var(--void-ink); }
.void .lede, .void p { color: color-mix(in srgb, var(--void-ink) 76%, transparent); }
.void .eyebrow { color: color-mix(in srgb, var(--void-ink) 55%, transparent); }
.void .eyebrow::after { background: color-mix(in srgb, var(--void-ink) 22%, transparent); }
.void .btn { border-color: color-mix(in srgb, var(--void-ink) 45%, transparent); color: var(--void-ink); }
.void .btn:hover { background: var(--void-ink); color: var(--void); }
.void .btn--solid { background: var(--void-ink); color: var(--void); }
.void .btn--solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- 13. Essay ---------- */

.essay-layout {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, var(--measure)) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

@media (max-width: 1080px) {
  .essay-layout { grid-template-columns: minmax(0, 1fr); }
  .essay-toc { display: none; }
}

.essay-toc {
  position: sticky;
  top: 6.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.5;
  border-left: 1px solid var(--rule);
  padding-left: 1.25rem;
}
.essay-toc__label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.1rem;
  font-size: 0.62rem;
}
.essay-toc a {
  display: block;
  padding: 0.42rem 0;
  color: var(--muted);
  transition: color .18s ease;
}
.essay-toc a:hover { color: var(--ink); }
.essay-toc a.is-active { color: var(--accent); }

.prose { max-width: var(--measure); }
.prose h2 {
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  margin-top: 2.75em;
  margin-bottom: 0.55em;
  scroll-margin-top: 6.5rem;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 2em; }
.prose > p:first-of-type { font-size: 1.0625em; }

.prose blockquote {
  margin: 2.25rem 0;
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent);
  font-style: italic;
  color: var(--ink-2);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose ul, .prose ol { padding-left: 1.35rem; margin: 0 0 1.4em; }
.prose li { margin-bottom: 0.55em; }
.prose li::marker { color: var(--muted); }

.prose code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--paper-3);
  padding: 0.12em 0.4em;
}

.essay-header { border-bottom: 1px solid var(--rule); padding-bottom: clamp(2rem, 4vw, 3rem); }
.essay-meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--accent);
  width: 0;
  z-index: 90;
  transition: width .1s linear;
}

/* ---------- 14. Writing index ---------- */

.entry {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.75rem, 3vw, 2.5rem) 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: background-color .2s ease;
}
.entry:first-child { border-top: 1px solid var(--rule); }
.entry:hover { background: var(--paper-2); }
.entry h3 { margin-bottom: 0.4rem; }
.entry p { color: var(--ink-2); margin: 0; }
.entry__date {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 700px) {
  .entry { grid-template-columns: 1fr; gap: 0.6rem; }
}

/* ---------- 15. Forms ---------- */

.form { display: grid; gap: 1.5rem; max-width: 38rem; }

.field { display: grid; gap: 0.5rem; }
.field--split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 640px) { .field--split { grid-template-columns: 1fr; } }

.field label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 0.65rem 0;
  border-radius: 0;
  transition: border-color .18s ease;
  width: 100%;
}
.field select { font-family: var(--serif); }
.field textarea { resize: vertical; min-height: 7rem; line-height: 1.55; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.field input::placeholder,
.field textarea::placeholder { color: color-mix(in srgb, var(--muted) 65%, transparent); }

.form__note {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.55;
  border-left: 1px solid var(--rule);
  padding-left: 1rem;
}

.form__status {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  min-height: 1.2em;
}

/* honeypot */
.hp { position: absolute; left: -9999px; opacity: 0; }

/* ---------- 16. Footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem;
  margin-top: var(--step);
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: 3rem;
}
@media (max-width: 860px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

.footer__brand p { color: var(--muted); font-size: 0.9375rem; max-width: 24rem; margin-top: 1rem; }

.footer__col h4 {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.1rem;
  font-weight: 500;
}
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.footer__col a { font-size: 0.9375rem; color: var(--ink-2); }
.footer__col a:hover { color: var(--accent); }

.footer__legal {
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.6;
}
.footer__legal p { max-width: 46rem; margin: 0; }

/* ---------- 17. Reveal-on-scroll ---------- */

/* Only hide when JS is confirmed running (the `js` class is set by an inline
   snippet in <head>). Without it, content must never be invisible. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 17b. Essay homepage (.sa-home) ----------
   Deliberately mirrors situational-awareness.ai (Independent Publisher 2):
   Georgia 17px/1.75 on white, system-sans headings #333332, links #0087be,
   one centered 740px column, small sans left sidebar, no decoration.
   Scoped to body.sa-home — the rest of the site keeps the house design. */

.sa-home {
  background: #fff;
  color: #383838;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.75;
  font-feature-settings: normal;
}

.sa-home .sa-main {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 1.75em;
}

.sa-home .sa-title {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: normal;
  color: #333332;
  margin: 2.2em 0 0.4375em;
  -webkit-font-smoothing: antialiased;
  text-wrap: initial;
}

.sa-home .sa-byline { margin: 0 0 1.75em; }

.sa-home h2 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: normal;
  color: #333332;
  margin: 1.75em 0 0.875em;
}

.sa-home p { margin: 0 0 0.875em; }

.sa-home a { color: #0087be; text-decoration: none; border: 0; }
.sa-home a:hover { text-decoration: underline; color: #0087be; background: none; }

.sa-home .sa-toc p { margin-bottom: 1.1em; }
.sa-home .sa-toc strong a { font-weight: 700; }

.sa-home hr {
  border: 0;
  border-top: 1px solid #dcdcde;
  margin: 2.625em auto;
  max-width: 100px;
}

.sa-home .sa-note {
  font-size: 14px;
  color: #8d8d8a;
  line-height: 1.6;
}

.sa-home .sa-footer {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
  font-size: 14px;
  text-align: center;
  color: #8d8d8a;
  padding: 5.25em 1.75em 1.75em;
  -webkit-font-smoothing: antialiased;
}
.sa-home .sa-footer a { color: #8d8d8a; text-decoration: underline; }
.sa-home .sa-footer p { margin: 0 0 0.4em; }

/* left chapter sidebar — visible only when there is room beside the column */
.sa-home .sa-side {
  display: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 1240px) {
  .sa-home .sa-side {
    display: block;
    position: fixed;
    top: 7.5rem;
    left: calc(50% - 370px - 250px);
    width: 210px;
  }
  .sa-home .sa-side ul { list-style: none; margin: 0; padding: 0; }
  .sa-home .sa-side li { margin-bottom: 0.55em; }
  .sa-home .sa-side a { color: #6a6a68; }
  .sa-home .sa-side a:hover { color: #0087be; }
  .sa-home .sa-side a[aria-current="page"] { color: #333332; font-weight: 700; }
  .sa-home .sa-side .sa-side__sep { margin-top: 1.4em; padding-top: 1.4em; border-top: 1px solid #dcdcde; }
}

/* the homepage stays light even in system dark mode, like the original */
@media (prefers-color-scheme: dark) {
  .sa-home { background: #fff; color: #383838; }
}

/* ---------- 18. Tombstones (track record) ---------- */

.tombstones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.tombstone {
  background: var(--paper);
  padding: clamp(2.25rem, 4vw, 3.25rem) 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.tombstone__meta {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tombstone__amount {
  font-size: clamp(2.25rem, 4.5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
}

.tombstone__rule { width: 3rem; height: 1px; background: var(--accent); }

.tombstone h3 { margin: 0; }
.tombstone p { margin: 0; color: var(--ink-2); }

/* ---------- 19. Brand-guide page only ---------- */

.swatches { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.swatch { background: var(--paper); padding: 0; }
.swatch__chip { height: 6rem; }
.swatch__meta { padding: 0.9rem 1rem 1.1rem; }
.swatch__meta b { display: block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; }
.swatch__meta span { font-family: var(--mono); font-size: 0.68rem; color: var(--muted); }

.type-spec { border-top: 1px solid var(--rule); padding: 1.75rem 0; }
.type-spec__label { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.9rem; }