/* ==========================================================================
   Cost Predictor — site styles
   Editorial, NEJM-meets-Stripe. Cream paper, deep ink, muted claret accent.
   ========================================================================== */

/* ---- Tokens ------------------------------------------------------------- */

:root {
  /* Ink & paper */
  --paper:          #F4EFE6;     /* warm cream */
  --paper-soft:     #EDE6D9;     /* deeper cream — sidebars, table stripes */
  --paper-edge:     #E2DACB;     /* hairlines on cream */
  --ink:            #1B1A17;     /* near-black, slight warm */
  --ink-soft:       #3C3A35;
  --ink-mute:       #6B655B;     /* secondary copy */
  --ink-faint:      #9A9286;     /* meta */
  --rule:           #C9C0AE;     /* keylines */
  --rule-strong:    #8E8676;

  /* Single accent: muted claret */
  --claret:         #7A2E2E;
  --claret-deep:    #5E2222;
  --claret-faint:   rgba(122, 46, 46, 0.08);

  /* Charts */
  --chart-billed:   #C9C0AE;     /* light hatch */
  --chart-realized: #1B1A17;     /* dark fill */
  --chart-p10:      #7A2E2E;
  --chart-p50:      #1B1A17;
  --chart-p90:      #6B655B;

  /* Type stack */
  --serif: "Iowan Old Style", "Charter", "Palatino Linotype", "Palatino",
           ui-serif, Georgia, serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue",
           Arial, "Noto Sans", sans-serif;
  --mono:  ui-monospace, "SF Mono", "Menlo", "Consolas", "Liberation Mono",
           monospace;

  /* Scale */
  --measure: 64ch;
  --gutter: clamp(1.25rem, 2.5vw, 2rem);
  --content-max: 1180px;

  /* Numbers */
  --tnum: "tnum" 1, "lnum" 1;       /* tabular lining */
  --onum: "onum" 1, "pnum" 1;       /* old-style proportional */
}

/* ---- Reset-ish ---------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color 120ms ease, color 120ms ease;
}
a:hover { text-decoration-color: var(--claret); color: var(--claret); }

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

/* ---- Subtle paper grain via SVG noise ---------------------------------- */

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.09  0 0 0 0 0.08  0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

main, header, footer { position: relative; z-index: 1; }

/* ---- Header / nav ------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
}
.brand__mark {
  display: inline-block;
  width: 9px; height: 9px;
  background: var(--claret);
  transform: translateY(-1px) rotate(45deg);
}
.brand__name { font-style: italic; }

.brand sub {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-left: 0.5rem;
  position: relative;
  bottom: 0.05em;
}

.nav { display: flex; gap: 1.6rem; }
.nav a {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--claret); border-bottom-color: var(--claret); }
.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

@media (max-width: 720px) {
  .site-header__inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .nav { flex-wrap: wrap; gap: 1rem; }
}

/* ---- Layout primitives -------------------------------------------------- */

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

main {
  padding-bottom: 5rem;
}

section + section { margin-top: 4.5rem; }

/* Asymmetric editorial grid: marginalia on the left, body on the right */
.layout-margin {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 2.25rem;
  align-items: start;
}
.layout-margin > .marginalia {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 0.6rem;
  border-top: 1px solid var(--rule);
}
.layout-margin > .marginalia em {
  display: block;
  font-style: normal;
  letter-spacing: 0;
  text-transform: none;
  font-size: 0.85rem;
  color: var(--ink-mute);
  margin-top: 0.5rem;
  font-family: var(--serif);
}

@media (max-width: 880px) {
  .layout-margin { grid-template-columns: 1fr; gap: 0.75rem; }
  .layout-margin > .marginalia {
    border-top: none;
    border-left: 2px solid var(--claret);
    padding: 0.1rem 0 0.1rem 0.75rem;
  }
}

/* ---- Typography --------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
  line-height: 1.15;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: -0.018em;
  line-height: 1.05;
}
h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-top: 0;
}
h3 {
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: 0;
}
h4 {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  margin-bottom: 0.4em;
}

p { margin: 0 0 1.05em; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--claret);
  margin: 0 0 1rem;
  display: inline-block;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.6rem;
  height: 1px;
  background: var(--claret);
  vertical-align: middle;
  margin-right: 0.6rem;
  transform: translateY(-2px);
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 38ch;
  margin: 0 0 2rem;
}

.dropcap::first-letter {
  font-family: var(--serif);
  float: left;
  font-size: 4.2em;
  line-height: 0.85;
  padding: 0.15em 0.12em 0 0;
  color: var(--claret);
  font-weight: 500;
}

.smallcaps {
  font-variant-caps: all-small-caps;
  letter-spacing: 0.06em;
}

.num-tab { font-variant-numeric: tabular-nums lining-nums; }
.num-old { font-variant-numeric: oldstyle-nums proportional-nums; }

/* Page hero */
.hero {
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--rule);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}
@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; }
}

/* ---- Headline numbers (stat block) ------------------------------------- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.stat {
  padding: 1.4rem 1.2rem 1.5rem;
  border-right: 1px solid var(--rule);
}
.stat:last-child { border-right: none; }
.stat__label {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.6rem;
}
.stat__value {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-feature-settings: var(--onum);
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.stat__value--accent { color: var(--claret); }
.stat__sub {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin-top: 0.45rem;
}

@media (max-width: 720px) {
  .stat { border-right: none; border-bottom: 1px solid var(--rule); }
  .stat:last-child { border-bottom: none; }
}

/* ---- Cards (what-it-does) ---------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.card {
  padding: 2rem 1.6rem 2.2rem;
  border-right: 1px solid var(--rule);
  position: relative;
}
.card:last-child { border-right: none; }
.card__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--claret);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}
.card h3 { margin-bottom: 0.5em; font-size: 1.22rem; }
.card p { color: var(--ink-mute); font-size: 0.96rem; margin: 0; }

@media (max-width: 880px) {
  .cards { grid-template-columns: 1fr; }
  .card { border-right: none; border-bottom: 1px solid var(--rule); }
  .card:last-child { border-bottom: none; }
}

/* ---- Buttons / CTAs ----------------------------------------------------- */

.btn-row {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78em 1.25em;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease,
              transform 120ms ease;
}
.btn:hover {
  background: var(--claret);
  border-color: var(--claret);
  color: var(--paper);
  text-decoration: none;
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn::after {
  content: "→";
  transition: transform 160ms ease;
}
.btn:hover::after { transform: translateX(3px); }

/* ---- Footer ------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 5rem;
  padding: 2.5rem 0 3rem;
  background: var(--paper-soft);
  position: relative;
  z-index: 1;
}
.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: end;
}
.colophon {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-mute);
  max-width: 48ch;
}
.colophon strong { font-weight: 600; color: var(--ink-soft); font-style: normal; }

.footer-meta {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
}
.footer-meta a { color: var(--ink-soft); }

@media (max-width: 720px) {
  .site-footer__inner { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
}

/* ---- Tables ------------------------------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums lining-nums;
  font-size: 0.95rem;
  margin: 1.4rem 0 1.8rem;
}
thead th {
  text-align: left;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--ink);
  padding: 0.55rem 0.85rem 0.5rem;
  font-weight: 600;
}
tbody td {
  border-bottom: 1px solid var(--paper-edge);
  padding: 0.65rem 0.85rem;
  color: var(--ink-soft);
}
tbody tr:last-child td { border-bottom: 1px solid var(--rule); }
.num { text-align: right; font-variant-numeric: tabular-nums lining-nums; }
.warn { color: var(--claret); font-weight: 600; }
.win  { color: var(--ink); font-weight: 600; }

caption {
  caption-side: top;
  text-align: left;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.65rem;
}

/* ---- Code blocks -------------------------------------------------------- */

code, kbd, samp, pre {
  font-family: var(--mono);
}
code {
  font-size: 0.88em;
  background: var(--paper-soft);
  border: 1px solid var(--paper-edge);
  padding: 0.08em 0.42em;
  border-radius: 2px;
}

pre {
  position: relative;
  background: #FAF6EE;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--claret);
  padding: 1rem 1.1rem 1rem;
  font-size: 0.84rem;
  line-height: 1.55;
  overflow-x: auto;
  margin: 1.2rem 0 1.6rem;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

.code-copy {
  position: absolute;
  top: 0.5rem;
  right: 0.55rem;
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 0.32rem 0.55rem;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
}
.code-copy:hover { color: var(--claret); border-color: var(--claret); }
.code-copy[data-state="copied"] { color: var(--ink); border-color: var(--ink); }

/* ---- Lists -------------------------------------------------------------- */

ul, ol { padding-left: 1.4rem; margin: 0 0 1.05em; }
li { margin-bottom: 0.4em; color: var(--ink-soft); }
li::marker { color: var(--ink-faint); }

ul.dash {
  list-style: none;
  padding-left: 0;
}
ul.dash li {
  position: relative;
  padding-left: 1.4em;
}
ul.dash li::before {
  content: "—";
  color: var(--claret);
  position: absolute;
  left: 0;
  font-family: var(--serif);
}

/* ---- Pull-quote / sidenote --------------------------------------------- */

.pull {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.2vw, 1.6rem);
  line-height: 1.35;
  color: var(--ink);
  border-left: 2px solid var(--claret);
  padding: 0.2em 0 0.2em 1.1em;
  margin: 2rem 0;
  font-style: italic;
}

.callout {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  padding: 1.2rem 1.3rem;
  margin: 1.6rem 0;
  font-size: 0.95rem;
}
.callout strong { color: var(--ink); }

/* ---- Tabs (install page) ----------------------------------------------- */

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 1.8rem;
}
.tab-btn {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.85rem 1.3rem;
  margin-bottom: -1px;
  color: var(--ink-mute);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
}
.tab-btn:hover { color: var(--claret); }
.tab-btn[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.tab-panel { display: none; }
.tab-panel[data-active="true"] { display: block; }

/* ---- Demo controls ----------------------------------------------------- */

.demo-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 980px) {
  .demo-grid { grid-template-columns: 1fr; }
}

.controls {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  padding: 1.5rem 1.4rem 1.7rem;
  position: sticky;
  top: 1rem;
}
.controls h2 {
  font-size: 1.05rem;
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 1.2rem;
  color: var(--ink-mute);
  font-weight: 600;
}

.field {
  margin-bottom: 1.1rem;
}
.field__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.35rem;
}
.field__label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.field__value {
  font-family: var(--serif);
  font-feature-settings: var(--onum);
  font-size: 1.05rem;
  color: var(--claret);
  font-style: italic;
}
.field__sub {
  font-family: var(--sans);
  font-size: 0.74rem;
  color: var(--ink-faint);
  margin-top: 0.25rem;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]:focus { outline: none; }
input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--rule-strong);
  border-radius: 0;
}
input[type="range"]::-moz-range-track {
  height: 2px;
  background: var(--rule-strong);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink);
  margin-top: -7px;
  transition: background 120ms ease, transform 120ms ease;
}
input[type="range"]:hover::-webkit-slider-thumb { background: var(--claret); border-color: var(--claret); }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--claret-faint); }
input[type="range"]::-moz-range-thumb {
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink);
}

.radio-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--rule);
}
.radio-row label {
  flex: 1;
  text-align: center;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.55rem 0.4rem;
  cursor: pointer;
  border-right: 1px solid var(--rule);
  transition: background 120ms ease, color 120ms ease;
}
.radio-row label:last-child { border-right: none; }
.radio-row input { position: absolute; opacity: 0; pointer-events: none; }
.radio-row input:checked + span,
.radio-row label.is-checked { color: var(--paper); }
.radio-row label:has(input:checked) {
  background: var(--ink);
  color: var(--paper);
}

/* Demo readouts */
.readout-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.5rem;
}
.readout {
  padding: 1.1rem 1rem 1.2rem;
  border-right: 1px solid var(--rule);
}
.readout:last-child { border-right: none; }
.readout__label {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.5rem;
}
.readout__value {
  font-family: var(--serif);
  font-feature-settings: var(--onum);
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  line-height: 1;
}
.readout__value--accent { color: var(--claret); }
.readout__sub { font-family: var(--sans); font-size: 0.74rem; color: var(--ink-mute); margin-top: 0.4rem; }

@media (max-width: 720px) {
  .readout-grid { grid-template-columns: 1fr; }
  .readout { border-right: none; border-bottom: 1px solid var(--paper-edge); }
}

.banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  margin-bottom: 1.5rem;
}
.banner__title {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: 0.75;
}
.banner__value {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  font-feature-settings: var(--onum);
  color: #E9C16A;        /* warm gold within the dark banner — a single permitted secondary */
}

.badge {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.32em 0.7em;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-mute);
}
.badge--good { border-color: var(--ink); color: var(--ink); }
.badge--warn { border-color: var(--claret); color: var(--claret); }
.badge__dot {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink);
}
.badge--good .badge__dot { background: var(--ink); }
.badge--warn .badge__dot { background: var(--claret); }

/* Charts container */
.chart-block {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.2rem 1.3rem 1.4rem;
  margin-bottom: 1.4rem;
}
.chart-block h3 {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.95rem;
  font-weight: 600;
}

/* Methodology section markers */
.section-num {
  font-family: var(--serif);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--claret);
  font-style: italic;
  margin-right: 0.6rem;
}

/* Architecture diagram surround */
.figure {
  margin: 2rem 0 2.4rem;
  border: 1px solid var(--rule);
  background: #FAF6EE;
  padding: 1.5rem 1.4rem 1.2rem;
}
.figure svg { width: 100%; height: auto; }
.figure figcaption {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin-top: 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--paper-edge);
  font-style: normal;
}
.figure figcaption strong {
  font-family: var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--claret);
  font-weight: 600;
  margin-right: 0.5rem;
}

/* Anchor list (methodology contents) */
.toc {
  margin: 0 0 2.5rem;
  padding: 1.1rem 1.2rem;
  background: var(--paper-soft);
  border-left: 2px solid var(--ink);
}
.toc h4 { margin: 0 0 0.6em; }
.toc ol {
  margin: 0;
  padding-left: 1.3rem;
  font-family: var(--serif);
  font-size: 1rem;
  font-feature-settings: var(--onum);
}
.toc ol li { color: var(--ink-soft); }
.toc a {
  text-decoration: none;
  color: var(--ink-soft);
}
.toc a:hover { color: var(--claret); }

/* Limitations list */
.limit-list {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0;
  border-top: 1px solid var(--rule);
}
.limit-list li {
  padding: 0.85rem 0 0.85rem 1.5em;
  border-bottom: 1px solid var(--paper-edge);
  position: relative;
  font-size: 0.96rem;
  color: var(--ink-soft);
}
.limit-list li::before {
  content: "§";
  position: absolute;
  left: 0;
  top: 0.95rem;
  color: var(--claret);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95em;
}

/* Honest Disclosure box */
.disclose {
  border: 1px dashed var(--rule-strong);
  padding: 1.1rem 1.3rem;
  margin: 2rem 0 1rem;
  background: transparent;
}
.disclose h4 {
  color: var(--claret);
  margin-bottom: 0.55em;
}
.disclose p { margin: 0; font-size: 0.96rem; color: var(--ink-soft); }

/* Skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip:focus {
  position: fixed;
  top: 1rem; left: 1rem;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 0.9rem; z-index: 100;
}