/* ==========================================================================
   Vellum — a literary site for novelists.
   Parchment, ink, oxblood; serif display; editorial rules.
   ========================================================================== */

@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/cormorant-garamond-latin.woff2") format("woff2");
}

@font-face {
  font-family: "EB Garamond";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/eb-garamond-latin.woff2") format("woff2");
}

@font-face {
  font-family: "EB Garamond";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/eb-garamond-italic-latin.woff2") format("woff2");
}

:root {
  --paper: #f3ead8;
  --paper-raised: #faf4e6;
  --paper-deep: #e9ddc5;
  --ink: #211a16;
  --ink-soft: #4a3f36;
  --ink-faint: #75665a;
  --oxblood: #6c1d24;
  --oxblood-deep: #4e1318;
  --gold: #9b7a3c;
  --rule: #cdbb9c;
  --rule-soft: #ddcfb4;
  --display: "Cormorant Garamond", "Iowan Old Style", "Palatino Linotype",
    Palatino, "Book Antiqua", Georgia, serif;
  --body: "EB Garamond", "Iowan Old Style", "Palatino Linotype", Palatino,
    "Book Antiqua", Georgia, serif;
  --mono: "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono",
    Menlo, monospace;
  --measure: 68ch;
  --wrap: 1160px;
  --shadow: 0 1px 1px rgba(33, 26, 22, 0.04), 0 18px 44px -28px rgba(33, 26, 22, 0.45);
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    radial-gradient(1100px 600px at 12% -8%, rgba(255, 253, 246, 0.85), transparent 60%),
    radial-gradient(900px 700px at 100% 10%, rgba(155, 122, 60, 0.09), transparent 55%),
    radial-gradient(700px 500px at 0% 100%, rgba(108, 29, 36, 0.05), transparent 60%);
  color: var(--ink);
  font-family: var(--body);
  font-size: 19px;
  line-height: 1.65;
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
}

body::before {
  /* A faint paper tooth, kept below content and invisible to readers. */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.36 0 0 0 0 0.30 0 0 0 0 0.24 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--oxblood);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: rgba(108, 29, 36, 0.35);
}

a:hover {
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--oxblood);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.05;
  margin: 0 0 0.5em;
  letter-spacing: -0.012em;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
}

h2 {
  font-size: clamp(2rem, 3.6vw, 2.9rem);
}

h3 {
  font-size: 1.5rem;
  line-height: 1.15;
}

h4 {
  font-size: 1.15rem;
  line-height: 1.25;
}

p {
  margin: 0 0 1.05em;
}

ul,
ol {
  margin: 0 0 1.1em;
  padding-left: 1.3em;
}

li {
  margin-bottom: 0.35em;
}

strong {
  font-weight: 600;
}

small {
  font-size: 0.82em;
}

code,
kbd,
samp {
  font-family: var(--mono);
  font-size: 0.78em;
  letter-spacing: -0.01em;
}

:not(pre) > code {
  background: rgba(108, 29, 36, 0.07);
  border: 1px solid rgba(108, 29, 36, 0.12);
  border-radius: 2px;
  padding: 0.08em 0.34em;
  color: var(--oxblood-deep);
  overflow-wrap: break-word;
}

pre {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.7;
  background: #241d18;
  color: #f1e8d6;
  border-radius: 3px;
  padding: 1.15rem 1.3rem;
  overflow-x: auto;
  margin: 0 0 1.4em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

pre code {
  font-size: inherit;
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
}

pre .c {
  color: #b7a68d;
}

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

.wrap {
  width: min(var(--wrap), calc(100% - 3rem));
  margin-inline: auto;
}

main {
  display: block;
}

.section {
  padding: 5rem 0;
  border-top: 1px solid var(--rule-soft);
}

.section--tight {
  padding: 3rem 0;
}

.section--flush {
  border-top: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2.5rem;
  align-items: end;
  margin-bottom: 2.8rem;
}

.section-head p {
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0;
}

.eyebrow {
  font-family: var(--display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--oxblood);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

.eyebrow::before {
  content: "";
  width: 2.1rem;
  height: 1px;
  background: var(--oxblood);
  display: inline-block;
}

.lede {
  font-size: 1.22em;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: var(--measure);
}

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

.muted {
  color: var(--ink-faint);
}

.center {
  text-align: center;
}

.hr-orn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--gold);
  margin: 0;
  padding: 0;
}

.hr-orn::before,
.hr-orn::after {
  content: "";
  height: 1px;
  width: min(120px, 18vw);
  background: var(--rule);
}

/* ---- Masthead ------------------------------------------------------------ */

.skip {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -130%);
  background: var(--ink);
  color: var(--paper);
  padding: 0.55rem 1rem;
  z-index: 20;
  font-family: var(--display);
  letter-spacing: 0.06em;
}

.skip:focus {
  transform: translate(-50%, 0);
  top: 0.5rem;
}

.masthead {
  border-bottom: 1px solid var(--rule);
  background: rgba(243, 234, 216, 0.72);
  backdrop-filter: blur(6px);
  position: relative;
  z-index: 2;
}

.topline {
  border-bottom: 1px solid var(--rule-soft);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.topline .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.55rem 0;
}

.topline a {
  color: var(--ink-soft);
  text-decoration: none;
}

.topline a:hover {
  color: var(--oxblood);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.35rem 0 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--oxblood);
  border-radius: 50%;
  color: var(--oxblood);
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
}

.brand-word {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: 1;
}

.brand-sub {
  display: block;
  font-family: var(--body);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.42rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.6rem;
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
}

.nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--rule);
}

.nav a[aria-current="page"] {
  color: var(--oxblood);
  border-bottom-color: var(--oxblood);
}

.nav .nav-repo {
  color: var(--oxblood);
}

/* ---- Hero ---------------------------------------------------------------- */

.hero {
  padding: 5.5rem 0 4.5rem;
  position: relative;
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
  gap: 4rem;
  align-items: start;
}

.hero h1 {
  margin-bottom: 1.4rem;
  max-width: 15ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--oxblood);
}

.hero .lede {
  font-size: 1.32em;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.4rem;
  align-items: center;
  margin-top: 2.2rem;
}

.btn {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 1.5rem;
  border: 1px solid var(--oxblood);
  border-radius: 2px;
  transition: background-color 140ms ease, color 140ms ease;
}

.btn--solid {
  background: var(--oxblood);
  color: #fbf5e8;
}

.btn--solid:hover {
  background: var(--oxblood-deep);
  border-color: var(--oxblood-deep);
}

.btn--ghost {
  color: var(--oxblood);
  background: transparent;
}

.btn--ghost:hover {
  background: rgba(108, 29, 36, 0.07);
}

.textlink {
  font-family: var(--display);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.3rem;
}

.textlink:hover {
  border-bottom-color: var(--oxblood);
  color: var(--oxblood);
}

.hero-specimen {
  position: relative;
  margin-top: 0.6rem;
  padding: 1.5rem 1.4rem 1.2rem;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  transform: rotate(0.6deg);
}

.hero-specimen::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid var(--rule-soft);
  pointer-events: none;
}

.specimen-title {
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--oxblood);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.55rem;
  margin-bottom: 0.85rem;
}

.specimen-lines {
  font-family: var(--mono);
  font-size: 0.71rem;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0;
  white-space: pre-wrap;
}

.specimen-lines b {
  color: var(--ink);
  font-weight: 400;
}

.specimen-lines .ok {
  color: #42603f;
}

.specimen-lines .gate {
  color: var(--oxblood);
}

.specimen-note {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--ink-faint);
  margin: 0.9rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--rule-soft);
}

.hero-meta {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-top: 1rem;
}

.hero-meta div {
  background: var(--paper);
  padding: 1.1rem 0.9rem 1rem;
  text-align: center;
}

.hero-meta .num {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  display: block;
  font-variant-numeric: lining-nums;
}

.hero-meta .lbl {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---- Three gates --------------------------------------------------------- */

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

.gate {
  background: var(--paper-raised);
  padding: 2rem 1.7rem 1.6rem;
  position: relative;
}

.gate-num {
  font-family: var(--display);
  font-size: 3.2rem;
  font-weight: 500;
  line-height: 0.9;
  color: var(--oxblood);
  opacity: 0.85;
  display: block;
  margin-bottom: 1rem;
}

.gate h3 {
  margin-bottom: 0.6rem;
  font-size: 1.55rem;
}

.gate p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.gate .artifact {
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.6;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule-soft);
  padding-top: 0.8rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.gate .artifact b {
  display: block;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--oxblood);
  margin-bottom: 0.35rem;
}

/* ---- Highlights ---------------------------------------------------------- */

.highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.4rem 3.4rem;
}

.highlight {
  padding-top: 1.2rem;
  border-top: 1px solid var(--rule);
}

.highlight .kicker {
  font-family: var(--display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}

.highlight h3 {
  font-size: 1.4rem;
  margin-bottom: 0.35rem;
}

.highlight p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ---- Figures / screenshots ---------------------------------------------- */

.figures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.figures--wide {
  grid-template-columns: 1fr;
}

figure {
  margin: 0;
}

.shot {
  display: block;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 8px;
  box-shadow: var(--shadow);
}

.shot img {
  display: block;
  width: 100%;
  border: 1px solid var(--rule-soft);
}

figcaption {
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin-top: 0.7rem;
  font-style: italic;
  padding-left: 0.1rem;
}

figcaption b {
  font-style: normal;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--oxblood);
}

/* ---- Quote --------------------------------------------------------------- */

.pullquote {
  border-left: 2px solid var(--oxblood);
  padding: 0.2rem 0 0.2rem 2rem;
  margin: 3rem 0;
  max-width: 46ch;
}

.pullquote p {
  font-family: var(--display);
  font-size: 1.75rem;
  line-height: 1.3;
  font-style: italic;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.pullquote cite {
  font-style: normal;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---- Cards / lists ------------------------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.card {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 1.6rem 1.5rem;
}

.card h3 {
  font-size: 1.28rem;
  margin-bottom: 0.4rem;
}

.card p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.plainlist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plainlist li {
  border-top: 1px solid var(--rule-soft);
  padding: 0.8rem 0;
  display: grid;
  grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1fr);
  gap: 1.4rem;
  font-size: 0.95rem;
}

.plainlist li:last-child {
  border-bottom: 1px solid var(--rule-soft);
}

.plainlist .term {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--oxblood-deep);
  padding-top: 0.15rem;
  overflow-wrap: anywhere;
}

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

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.5;
}

caption {
  text-align: left;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--ink-faint);
  padding-bottom: 0.6rem;
}

th {
  text-align: left;
  font-family: var(--display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--oxblood);
  border-bottom: 1px solid var(--ink-soft);
  padding: 0.55rem 0.9rem 0.55rem 0;
  vertical-align: bottom;
}

td {
  border-bottom: 1px solid var(--rule-soft);
  padding: 0.8rem 0.9rem 0.8rem 0;
  vertical-align: top;
  color: var(--ink-soft);
}

td:first-child {
  color: var(--ink);
}

tr:last-child td {
  border-bottom: 0;
}

.tag {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.18rem 0.48rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink-faint);
  white-space: nowrap;
}

.tag--opus {
  color: var(--oxblood);
  border-color: rgba(108, 29, 36, 0.35);
  background: rgba(108, 29, 36, 0.05);
}

.tag--sonnet {
  color: #3e5a48;
  border-color: rgba(62, 90, 72, 0.35);
  background: rgba(62, 90, 72, 0.05);
}

.tag--block {
  color: var(--oxblood);
  border-color: var(--oxblood);
}

/* ---- Reference ----------------------------------------------------------- */

.ref-intro {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-bottom: 3.5rem;
}

.ref-intro div {
  background: var(--paper-raised);
  padding: 1.3rem 1.2rem;
}

.ref-intro .num {
  font-family: var(--display);
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 1;
  display: block;
}

.ref-intro .lbl {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.45rem;
}

.cmd-table td:first-child {
  font-family: var(--mono);
  font-size: 0.76rem;
  white-space: nowrap;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.agent {
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  padding: 1.15rem 1.25rem 1rem;
}

.agent-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.35rem;
}

.agent h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  margin: 0;
}

.agent p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.agent .loads {
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-top: 0.55rem;
  border-top: 1px dotted var(--rule);
  padding-top: 0.45rem;
}

.skill-group {
  margin-bottom: 2.6rem;
}

.skill-group > h3 {
  font-size: 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.5rem;
  margin-bottom: 0.3rem;
}

.skill-group > h3 .count {
  font-family: var(--body);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 400;
}

.skill-group > p {
  font-size: 0.88rem;
  color: var(--ink-faint);
  margin: 0.5rem 0 1rem;
  font-style: italic;
}

.skill {
  border-bottom: 1px solid var(--rule-soft);
  padding: 0.75rem 0;
}

.skill:last-child {
  border-bottom: 0;
}

.skill h4 {
  font-family: var(--mono);
  font-size: 0.82rem;
  margin: 0 0 0.2rem;
  letter-spacing: 0;
}

.skill p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 90ch;
}

/* ---- Steps --------------------------------------------------------------- */

.steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  max-width: 78ch;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 1.2rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--rule-soft);
  margin: 0;
}

.steps li::before {
  content: counter(step, upper-roman);
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--oxblood);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
}

.steps strong {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.2rem;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ---- Callout ------------------------------------------------------------- */

.callout {
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--oxblood);
  padding: 1.3rem 1.5rem;
  margin: 2rem 0;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout .label {
  font-family: var(--display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--oxblood);
  display: block;
  margin-bottom: 0.35rem;
}

/* ---- TOC ----------------------------------------------------------------- */

.toc {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.1rem 0;
  margin: 2.5rem 0 3.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.8rem;
  font-family: var(--display);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.toc a {
  color: var(--ink-soft);
  text-decoration: none;
}

.toc a:hover {
  color: var(--oxblood);
}

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

.site-footer {
  margin-top: 2rem;
  background: #1d1713;
  color: #d9cbb2;
  font-size: 0.9rem;
}

.site-footer a {
  color: #ecdfc7;
  text-decoration-color: rgba(236, 223, 199, 0.3);
}

.site-footer a:hover {
  color: #fff7e7;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.7fr));
  gap: 2.5rem;
  padding: 3.2rem 0 2.6rem;
}

.footer-brand .brand-word {
  color: #f4ead6;
  font-size: 1.55rem;
}

.footer-brand p {
  color: #a99a84;
  font-size: 0.86rem;
  max-width: 34ch;
  margin-top: 0.9rem;
}

.footer-col h4 {
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #9f8e76;
  margin-bottom: 0.9rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.45rem;
}

.footer-col a {
  text-decoration: none;
  font-size: 0.88rem;
}

.footer-bottom {
  border-top: 1px solid rgba(217, 203, 178, 0.16);
  padding: 1.2rem 0 1.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 2rem;
  color: #9c8c75;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.footer-bottom .fleuron {
  color: #c9a96b;
  margin-right: 0.4rem;
}

/* ---- Article pages ------------------------------------------------------- */

.page-head {
  padding: 4rem 0 2rem;
}

.page-head h1 {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  max-width: 18ch;
  margin-bottom: 1rem;
}

.page-head .lede {
  max-width: 58ch;
}

.article {
  padding-bottom: 5rem;
}

.article h2 {
  margin-top: 3.4rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}

.article h2:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.article h3 {
  margin-top: 2rem;
}

.article > .wrap > p,
.article .measure p {
  max-width: var(--measure);
}

.article pre {
  max-width: 100%;
}

.grid-2 > *,
.grid-3 > *,
.hero .wrap > *,
.section-head > * {
  min-width: 0;
}

.article .grid-2 > *,
.article .grid-3 > * {
  min-width: 0;
}

.lede-cap::first-letter {
  font-family: var(--display);
  font-size: 3.4em;
  float: left;
  line-height: 0.82;
  padding: 0.08em 0.1em 0 0;
  color: var(--oxblood);
}

/* ---- 404 ----------------------------------------------------------------- */

.notfound {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 0;
}

.notfound .big {
  font-family: var(--display);
  font-size: clamp(5rem, 16vw, 11rem);
  line-height: 0.8;
  color: var(--oxblood);
  opacity: 0.85;
  display: block;
  margin-bottom: 1rem;
}

.notfound h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.notfound p {
  max-width: 42ch;
  margin-inline: auto;
  color: var(--ink-soft);
}

/* ---- Dark mode ----------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #191512;
    --paper-raised: #211b17;
    --paper-deep: #2a221c;
    --ink: #f0e6d3;
    --ink-soft: #cdbfa9;
    --ink-faint: #a2917b;
    --oxblood: #d19a90;
    --oxblood-deep: #e6b3a7;
    --gold: #c6a572;
    --rule: #4a3c30;
    --rule-soft: #382e26;
    --shadow: 0 1px 1px rgba(0, 0, 0, 0.3), 0 18px 44px -28px rgba(0, 0, 0, 0.8);
  }

  body {
    background-image:
      radial-gradient(1100px 600px at 12% -8%, rgba(88, 62, 38, 0.35), transparent 60%),
      radial-gradient(900px 700px at 100% 10%, rgba(155, 122, 60, 0.08), transparent 55%),
      radial-gradient(700px 500px at 0% 100%, rgba(108, 29, 36, 0.16), transparent 60%);
  }

  body::before {
    opacity: 0.22;
  }

  .masthead {
    background: rgba(25, 21, 18, 0.8);
  }

  .btn--solid {
    color: #1d1713;
    background: #d19a90;
    border-color: #d19a90;
  }

  .btn--solid:hover {
    background: #e6b3a7;
    border-color: #e6b3a7;
  }

  .tag--sonnet {
    color: #a9c4ae;
    border-color: rgba(169, 196, 174, 0.35);
    background: rgba(169, 196, 174, 0.06);
  }

  .specimen-lines .ok {
    color: #9cbd95;
  }

  .site-footer {
    background: #100d0b;
  }

  pre {
    background: #0f0c0a;
    box-shadow: inset 0 0 0 1px rgba(240, 230, 211, 0.08);
  }

  .shot img {
    filter: brightness(0.92) contrast(1.02);
  }
}

/* ---- Responsive ---------------------------------------------------------- */

@media (max-width: 980px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-specimen {
    transform: none;
    max-width: 34rem;
  }

  .hero-meta {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .gates {
    grid-template-columns: 1fr;
  }

  .agent-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 18px;
  }

  .wrap {
    width: min(var(--wrap), calc(100% - 2rem));
  }

  .brand-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0 0.9rem;
  }

  .brand-word {
    font-size: 1.6rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
    font-size: 1.15rem;
  }

  .nav {
    gap: 0.2rem 1.1rem;
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    width: 100%;
  }

  .topline .wrap {
    font-size: 0.62rem;
    gap: 0.6rem;
  }

  .topline .topline-extra {
    display: none;
  }

  .hero {
    padding: 3rem 0 3rem;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
  }

  .hero-meta div:nth-child(5) {
    grid-column: 1 / -1;
  }

  .section {
    padding: 3.2rem 0;
  }

  .highlights,
  .figures,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .ref-intro {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plainlist li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    padding: 2.4rem 0 2rem;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .pullquote {
    padding-left: 1.2rem;
  }

  .pullquote p {
    font-size: 1.4rem;
  }

  .steps li {
    grid-template-columns: 1.8rem minmax(0, 1fr);
    gap: 0.8rem;
  }

  .page-head {
    padding: 2.6rem 0 1.4rem;
  }

  table {
    font-size: 0.85rem;
  }

  th,
  td {
    padding-right: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .masthead,
  .site-footer,
  .hero-actions,
  .toc {
    display: none;
  }

  .section {
    padding: 1.5rem 0;
  }

  a {
    color: #000;
    text-decoration: none;
  }
}