/* ==========================================================================
   revmux.com — control-room type system
   graphite ground, warm paper ink, amber signal, severity palette as accent
   ========================================================================== */

@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/newsreader-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Newsreader";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/newsreader-italic-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/plex-mono-400-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/plex-mono-600-latin.woff2") format("woff2");
}

:root {
  --ink: #0d0e10;
  --ink-2: #121417;
  --panel: #16181c;
  --panel-2: #1b1e23;
  --rule: rgba(233, 229, 221, 0.11);
  --rule-strong: rgba(233, 229, 221, 0.2);
  --paper: #e9e5dd;
  --paper-dim: #b8b4ac;
  --muted: #8c8880;
  --muted-2: #6c6963;

  --amber: #e0a134;
  --amber-lit: #f2b44a;
  --amber-wash: rgba(224, 161, 52, 0.1);
  --crimson: #e0564a;
  --green: #7fb069;
  --slate: #7d93a8;

  --mono: "Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: "Newsreader", Iowan Old Style, Palatino, Georgia, serif;

  --gut: 28px;
  --wide: 1180px;
  --read: 720px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.62;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
::selection {
  background: rgba(224, 161, 52, 0.26);
}
a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 161, 52, 0.3);
  transition: color 120ms, border-color 120ms;
}
a:hover {
  color: var(--amber-lit);
  border-bottom-color: var(--amber-lit);
}
h1,
h2,
h3,
h4 {
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
p {
  margin: 0 0 1.05em;
}
code,
kbd,
pre,
.mono {
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
}
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- shell ------------------------------------------------------------- */

.wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gut);
}
.rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

/* the instrument hairline: a faint vertical grid behind the page */
.grid-field {
  position: relative;
}
.grid-field::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--rule) 1px, transparent 1px) 0 0 / 25% 100%;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 12%, #000 88%, transparent);
  opacity: 0.6;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(13, 14, 16, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-bar {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gut);
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper);
  border: 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.brand:hover {
  color: var(--paper);
}
.brand svg {
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--mono);
  font-size: 13px;
}
.nav-links a {
  color: var(--paper-dim);
  border: 0;
  padding: 7px 11px;
  border-radius: 4px;
}
.nav-links a:hover {
  color: var(--paper);
  background: rgba(233, 229, 221, 0.06);
}
.nav-links a.on {
  color: var(--amber);
}
.nav-links .ext::after {
  content: " ↗";
  color: var(--muted-2);
}

.nav-mobile {
  display: none;
  position: relative;
  font-family: var(--mono);
  font-size: 14px;
}
.nav-mobile summary {
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  color: var(--paper-dim);
  cursor: pointer;
  list-style: none;
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px var(--rule-strong);
}
.nav-mobile summary::-webkit-details-marker {
  display: none;
}
.nav-mobile[open] summary {
  color: var(--amber);
}
.nav-mobile nav {
  position: absolute;
  top: 52px;
  right: 0;
  width: min(260px, calc(100vw - 32px));
  padding: 6px;
  display: grid;
  background: var(--panel-2);
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
}
.nav-mobile nav a {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--paper-dim);
  border: 0;
  border-radius: 4px;
}
.nav-mobile nav a:hover {
  color: var(--paper);
  background: rgba(233, 229, 221, 0.06);
}

/* --- type helpers ------------------------------------------------------ */

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow .dot {
  color: var(--amber);
}
.lede {
  font-size: 21px;
  line-height: 1.55;
  color: var(--paper-dim);
}
.small {
  font-size: 15.5px;
  color: var(--muted);
}
.tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
  border: 1px solid var(--rule-strong);
  color: var(--paper-dim);
  white-space: nowrap;
}
.tag.amber {
  color: var(--amber);
  border-color: rgba(224, 161, 52, 0.45);
  background: var(--amber-wash);
}
.tag.crimson {
  color: var(--crimson);
  border-color: rgba(224, 86, 74, 0.45);
}
.tag.green {
  color: var(--green);
  border-color: rgba(127, 176, 105, 0.4);
}
.tag.slate {
  color: var(--slate);
  border-color: rgba(125, 147, 168, 0.4);
}

/* --- sections ---------------------------------------------------------- */

section {
  padding: 84px 0;
  border-top: 1px solid var(--rule);
}
.sec-head {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 32px;
  align-items: baseline;
  margin-bottom: 42px;
}
.sec-head h2 {
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.12;
}
.sec-head .sec-note {
  margin: 14px 0 0;
  max-width: var(--read);
  color: var(--paper-dim);
}
.sec-index {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding-top: 10px;
  border-top: 1px solid var(--rule-strong);
}
.sec-body {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 32px;
}
.sec-body > .col-note {
  font-size: 15px;
  color: var(--muted);
  font-family: var(--mono);
  line-height: 1.7;
}

/* --- hero -------------------------------------------------------------- */

.hero {
  border-top: 0;
  padding: 76px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  top: -260px;
  right: -180px;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, rgba(224, 161, 52, 0.09), transparent 62%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: 52px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(42px, 6.2vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  margin: 20px 0 22px;
}
.hero h1 em {
  font-style: italic;
  color: var(--amber);
}
.hero .lede {
  max-width: 34em;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 28px;
}
.btn {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 11px 18px;
  border-radius: 4px;
  border: 1px solid var(--rule-strong);
  color: var(--paper);
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn:hover {
  color: var(--paper);
  border-color: var(--rule-strong);
  background: rgba(233, 229, 221, 0.05);
}
.btn.primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #16120a;
}
.btn.primary:hover {
  background: var(--amber-lit);
  border-color: var(--amber-lit);
  color: #16120a;
}

.copyline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  max-width: 100%;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--paper-dim);
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 9px 10px 9px 14px;
}
.copyline .prompt {
  color: var(--amber);
}
.copyline span:not(.prompt) {
  min-width: 0;
  overflow-wrap: anywhere;
}
.copyline button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 5px 8px;
  cursor: pointer;
}
.copyline button:hover {
  color: var(--amber);
  border-color: rgba(224, 161, 52, 0.45);
}

/* --- terminal panels --------------------------------------------------- */

.term {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--rule-strong);
  border-radius: 7px;
  box-shadow:
    0 1px 0 rgba(233, 229, 221, 0.05) inset,
    0 26px 60px rgba(0, 0, 0, 0.5);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.75;
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--rule);
  background: rgba(0, 0, 0, 0.22);
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.term-bar .lamp {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(224, 161, 52, 0.6);
}
.term-bar .right {
  margin-left: auto;
  color: var(--muted-2);
}
.term-body {
  padding: 16px 18px 18px;
  overflow-x: auto;
}
.term pre {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre;
}
.c-amber {
  color: var(--amber);
}
.c-green {
  color: var(--green);
}
.c-crimson {
  color: var(--crimson);
}
.c-slate {
  color: var(--slate);
}
.c-muted {
  color: var(--muted);
}
.c-dim {
  color: var(--muted-2);
}
.c-paper {
  color: var(--paper);
}

/* status table inside the hero terminal */
.rows {
  display: grid;
  gap: 3px;
}
.row {
  display: grid;
  grid-template-columns: 128px 92px 62px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 3px 0;
  color: var(--paper-dim);
  white-space: nowrap;
}
.row .name {
  color: var(--paper);
}
.row .act {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
}
.state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.state::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.state.run {
  color: var(--amber);
}
.state.run::before {
  animation: breathe 1.8s ease-in-out infinite;
}
.state.retry {
  color: var(--crimson);
}
.state.done {
  color: var(--green);
}
.state.wait {
  color: var(--muted-2);
}
@keyframes breathe {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

/* one rolling digit, so the elapsed clock reads as live */
.roll {
  display: inline-block;
  height: 1.75em;
  overflow: hidden;
  vertical-align: bottom;
}
.roll span {
  display: block;
  animation: roll 10s steps(10, end) infinite;
}
.roll.slow span {
  animation-duration: 40s;
  animation-timing-function: steps(4, end);
}
@keyframes roll {
  to {
    transform: translateY(-100%);
  }
}

/* the run bar: find -> synthesis -> verify */
.runbar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.seg {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.seg i {
  display: block;
  height: 3px;
  margin-top: 6px;
  border-radius: 2px;
  background: rgba(233, 229, 221, 0.09);
  position: relative;
  overflow: hidden;
}
.seg i::after {
  content: "";
  position: absolute;
  inset: 0;
  transform-origin: left;
  transform: scaleX(0);
  background: var(--amber);
  animation: fill 21s linear infinite;
}
.seg:nth-child(1) i::after {
  animation-delay: 0s;
}
.seg:nth-child(2) i::after {
  animation-delay: 7s;
}
.seg:nth-child(3) i::after {
  animation-delay: 14s;
}
@keyframes fill {
  0% {
    transform: scaleX(0);
  }
  33.3% {
    transform: scaleX(1);
  }
  100% {
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .state.run::before,
  .roll span,
  .seg i::after {
    animation: none;
  }
  .seg i::after {
    transform: scaleX(1);
  }
}

/* --- cards, lists ------------------------------------------------------ */

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.cards .card {
  background: var(--ink);
  padding: 26px 28px 28px;
}
.card h3 {
  font-size: 22px;
  margin: 0 0 10px;
}
.card p {
  margin: 0;
  color: var(--paper-dim);
  font-size: 17px;
}
.card p + p {
  margin-top: 0.8em;
}
.card .eyebrow {
  display: block;
  margin-bottom: 12px;
}

.three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.stage {
  border-top: 2px solid var(--amber);
  padding-top: 16px;
}
.stage.b2 {
  border-top-color: var(--slate);
}
.stage.b3 {
  border-top-color: var(--green);
}
.stage h3 {
  font-size: 21px;
  margin: 0 0 8px;
}
.stage p {
  color: var(--paper-dim);
  font-size: 16.5px;
  margin: 0 0 0.8em;
}
.stage .num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--muted-2);
  display: block;
  margin-bottom: 6px;
}

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

.shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}
.shot {
  margin: 0;
}
.shot.wide {
  grid-column: 1 / -1;
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule-strong);
  border-radius: 7px;
  background: var(--panel);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.48);
}
.shot figcaption {
  margin-top: 14px;
  font-size: 16px;
  color: var(--muted);
  max-width: 34em;
}
.shot figcaption b {
  color: var(--paper-dim);
  font-weight: 500;
}

.quote {
  font-size: clamp(23px, 3.1vw, 31px);
  line-height: 1.34;
  font-style: italic;
  color: var(--paper);
  max-width: 22em;
  margin: 0;
}
.quote-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 34em;
}

/* --- tables ------------------------------------------------------------ */

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
}
.tbl th {
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 14px 10px 0;
  border-bottom: 1px solid var(--rule-strong);
  white-space: nowrap;
}
.tbl td {
  padding: 11px 14px 11px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--paper-dim);
  vertical-align: top;
}
.tbl td:first-child {
  color: var(--paper);
  white-space: nowrap;
}
.tbl td code,
.tbl th code {
  font-size: 13px;
}
.tbl tr:hover td {
  background: rgba(233, 229, 221, 0.025);
}
.tbl .prose {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.5;
}
.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- code -------------------------------------------------------------- */

pre.code {
  margin: 0 0 22px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--rule-strong);
  border-radius: 5px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-dim);
  overflow-x: auto;
  white-space: pre;
}
pre.code b {
  color: var(--paper);
  font-weight: 400;
}
p code,
li code,
td code,
dd code {
  font-size: 0.86em;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(233, 229, 221, 0.07);
  color: var(--paper);
}
kbd {
  font-size: 0.82em;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--rule-strong);
  border-bottom-width: 2px;
  background: var(--panel);
  color: var(--paper);
  white-space: nowrap;
}

/* --- diagram ----------------------------------------------------------- */

.diagram {
  width: 100%;
  height: auto;
  display: block;
}
.diagram text {
  font-family: var(--mono);
  fill: var(--paper-dim);
}
.diagram .lbl {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  fill: var(--muted);
}
.diagram .nm {
  font-size: 12.5px;
  fill: var(--paper);
}
.diagram .box {
  fill: var(--panel);
  stroke: var(--rule-strong);
}
.diagram .wire {
  stroke: var(--rule-strong);
  fill: none;
}
.diagram .wire.hot {
  stroke: var(--amber);
}

/* --- footer ------------------------------------------------------------ */

footer {
  border-top: 1px solid var(--rule);
  padding: 46px 0 60px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}
footer .cols {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 56px;
  justify-content: space-between;
}
footer a {
  color: var(--paper-dim);
  border: 0;
}
footer a:hover {
  color: var(--amber);
}
footer .set {
  display: grid;
  gap: 7px;
  align-content: start;
}
footer .set b {
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* --- docs layout ------------------------------------------------------- */

.doc-wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gut);
  display: grid;
  grid-template-columns: 234px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}
.doc-nav {
  position: sticky;
  top: 62px;
  max-height: calc(100vh - 62px);
  overflow-y: auto;
  padding: 34px 12px 60px 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
}
.doc-nav b {
  display: block;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 22px 0 9px;
}
.doc-nav b:first-child {
  margin-top: 0;
}
.doc-nav a {
  display: block;
  padding: 5px 10px;
  margin-left: -10px;
  border: 0;
  border-radius: 4px;
  color: var(--paper-dim);
}
.doc-nav a:hover {
  color: var(--paper);
  background: rgba(233, 229, 221, 0.06);
}
.doc-nav::-webkit-scrollbar {
  width: 7px;
}
.doc-nav::-webkit-scrollbar-thumb {
  background: rgba(233, 229, 221, 0.1);
  border-radius: 7px;
}

.doc {
  max-width: 810px;
  padding: 34px 0 110px;
  min-width: 0;
}
.doc-head {
  padding-bottom: 26px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.doc-head h1 {
  font-size: clamp(34px, 5vw, 46px);
  line-height: 1.08;
  margin: 14px 0 14px;
}
.doc h2 {
  font-size: 30px;
  line-height: 1.2;
  margin: 62px 0 6px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
}
.doc h2:first-of-type {
  border-top: 0;
  padding-top: 0;
}
.doc h3 {
  font-size: 22px;
  margin: 38px 0 10px;
}
.doc h4 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 30px 0 10px;
}
.doc p,
.doc li {
  color: var(--paper-dim);
}
.doc p {
  max-width: var(--read);
}
.doc ul,
.doc ol {
  max-width: var(--read);
  padding-left: 20px;
  margin: 0 0 1.05em;
}
.doc li {
  margin-bottom: 0.45em;
}
.doc li::marker {
  color: var(--muted-2);
}
.doc strong {
  color: var(--paper);
  font-weight: 600;
}
.doc .tbl {
  margin-bottom: 24px;
}
.doc h2 + p,
.doc h3 + p {
  margin-top: 0;
}
.doc .anchor {
  color: var(--muted-2);
  border: 0;
  font-family: var(--mono);
  font-size: 0.5em;
  vertical-align: middle;
  margin-left: 10px;
  opacity: 0;
}
.doc h2:hover .anchor,
.doc h3:hover .anchor {
  opacity: 1;
}

.note {
  margin: 0 0 22px;
  padding: 16px 20px;
  max-width: var(--read);
  background: rgba(224, 161, 52, 0.05);
  border-left: 2px solid var(--amber);
  border-radius: 0 4px 4px 0;
  color: var(--paper-dim);
  font-size: 17px;
}
.note.warn {
  background: rgba(224, 86, 74, 0.05);
  border-left-color: var(--crimson);
}
.note p:last-child {
  margin-bottom: 0;
}
.note b,
.note strong {
  color: var(--paper);
}

.deflist {
  margin: 0 0 24px;
  max-width: var(--read);
}
.deflist dt {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--paper);
  margin-top: 16px;
}
.deflist dd {
  margin: 4px 0 0;
  color: var(--paper-dim);
  font-size: 17px;
}

.doc-drawer-toggle,
.doc-drawer-overlay,
.doc-drawer-btn {
  display: none;
}

/* --- responsive -------------------------------------------------------- */

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  .sec-head,
  .sec-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }
  .sec-index {
    border-top: 0;
    padding-top: 0;
  }
  .three {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  .doc-wrap {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  .doc-nav {
    position: fixed;
    top: 62px;
    left: 0;
    z-index: 55;
    width: min(310px, calc(100vw - 46px));
    height: calc(100dvh - 62px);
    max-height: none;
    padding: 24px 16px 60px 20px;
    background: var(--ink-2);
    border-right: 1px solid var(--rule-strong);
    transform: translateX(-104%);
    visibility: hidden;
    transition: transform 160ms cubic-bezier(0.2, 0, 0, 1);
  }
  .doc-drawer-toggle:checked ~ .doc-wrap .doc-nav {
    transform: translateX(0);
    visibility: visible;
  }
  .doc-drawer-toggle:checked + .doc-drawer-overlay {
    position: fixed;
    inset: 62px 0 0;
    z-index: 54;
    display: block;
    background: rgba(0, 0, 0, 0.55);
    border: 0;
    padding: 0;
    width: 100%;
    cursor: pointer;
  }
  .doc-drawer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper-dim);
    padding: 9px 13px;
    margin: 22px 0 0;
    border: 1px solid var(--rule-strong);
    border-radius: 4px;
    cursor: pointer;
  }
  .doc {
    padding-top: 4px;
  }
  .doc-head {
    padding-top: 18px;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 17px;
  }
  :root {
    --gut: 18px;
  }
  .nav-links {
    display: none;
  }
  .nav-mobile {
    display: block;
  }
  section {
    padding: 58px 0;
  }
  .cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .shots {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }
  .hero {
    padding: 46px 0 52px;
  }
  .row {
    grid-template-columns: 104px 78px 50px;
  }
  .row .act {
    display: none;
  }
  .term-body {
    padding: 13px 14px 15px;
  }
  .quote {
    font-size: 22px;
  }
}