/* Coffee Shot Timer site: the brewing control chart */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-latin-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  --paper: #f6f6f1;
  --paper-2: #ecece4;
  --ink: #17202b;
  --ink-2: #4a5361;
  --rule: #17202b;
  --grid: rgb(23 32 43 / 0.055);
  --grid-major: rgb(23 32 43 / 0.09);
  --plot-grid: rgb(23 32 43 / 0.12);

  --sour: #e9c23b;
  --sour-tint: rgb(233 194 59 / 0.24);
  --bitter: #8e3b2a;
  --bitter-tint: rgb(142 59 42 / 0.13);
  --ideal: #3e8e5a;
  --ideal-ink: #2a6b41;
  --ideal-tint: rgb(62 142 90 / 0.18);

  /* solid fields carrying white text stay the same in both schemes */
  --field-ok: #2c6e44;
  --field-slow: #8e3b2a;

  --on-ink: #f6f6f1;
  --on-ink-2: #b9c0ca;

  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --wide: 118%;
  --narrow: 78%;

  --cell: 24px;
  --gutter: clamp(20px, 4vw, 56px);
  --max: 1360px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #10161d;
    --paper-2: #18202a;
    --ink: #e8e8e1;
    --ink-2: #a7b0bc;
    --rule: #e8e8e1;
    --grid: rgb(232 232 225 / 0.045);
    --grid-major: rgb(232 232 225 / 0.075);
    --plot-grid: rgb(232 232 225 / 0.11);

    --sour-tint: rgb(233 194 59 / 0.16);
    --bitter: #c2614b;
    --bitter-tint: rgb(194 97 75 / 0.16);
    --ideal: #5db37b;
    --ideal-ink: #7fcb98;
    --ideal-tint: rgb(93 179 123 / 0.16);

    --on-ink: #10161d;
    --on-ink-2: #3c4552;
  }
}

/* ---------- base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--ink-2) var(--paper-2);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:
    calc(var(--cell) * 5) calc(var(--cell) * 5),
    calc(var(--cell) * 5) calc(var(--cell) * 5),
    var(--cell) var(--cell),
    var(--cell) var(--cell);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--sour); color: #17202b; }

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

a {
  color: inherit;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.2em;
}
a:hover { text-decoration-thickness: 3px; }

:focus-visible {
  outline: 3px solid var(--sour);
  outline-offset: 3px;
}

h1, h2, h3 {
  margin: 0;
  font-stretch: var(--wide);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 { font-size: clamp(2.125rem, 4.2vw, 3.75rem); }
h3 { font-size: clamp(1.375rem, 2vw, 1.75rem); letter-spacing: -0.01em; }

p { margin: 0; text-wrap: pretty; }

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

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}
.skip:focus { top: 12px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* axis-label voice: condensed caps for data labels only */
.label {
  font-stretch: var(--narrow);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 22px;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  font-stretch: 100%;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--ideal-ink); border-color: var(--ideal-ink); color: var(--paper); }
@media (prefers-color-scheme: dark) {
  .btn-primary:hover { color: #10161d; }
}

.btn-lg { min-height: 60px; padding: 0 28px; font-size: 1.125rem; }

.btn svg { width: 18px; height: 18px; flex: none; }

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

.site-nav {
  border-bottom: 1.5px solid var(--rule);
  background: var(--paper);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  min-height: 72px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  font-stretch: var(--wide);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.wordmark img { width: 32px; height: 32px; }
.site-nav ul {
  display: flex;
  gap: clamp(16px, 2.5vw, 32px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav ul a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-weight: 500;
  text-decoration: none;
}
.site-nav ul a:hover,
.site-nav ul a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}
.site-nav .btn { min-height: 44px; padding: 0 18px; }

@media (max-width: 760px) {
  .site-nav .wrap { flex-wrap: wrap; gap: 0 20px; padding-block: 8px 0; }
  .site-nav ul {
    order: 3;
    width: 100%;
    border-top: 1px solid var(--plot-grid);
    gap: 24px;
  }
  .site-nav .btn { min-height: 44px; padding: 0 14px; }
  .site-nav .btn .long { display: none; }
}

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

.hero { padding-block: clamp(32px, 5vw, 56px) clamp(48px, 6vw, 80px); }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.75rem, 5.2vw, 5.25rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  font-weight: 850;
}
.hero-lead {
  margin-top: 28px;
  max-width: 36ch;
  font-size: 1.1875rem;
  color: var(--ink-2);
}
.hero-actions { margin-top: 36px; }
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink-2);
}
.facts li::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  margin: 0 8px 0.15em 0;
  background: var(--ideal);
  vertical-align: middle;
}

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

/* ---------- the chart ---------- */

.chart {
  margin: 0;
  border: 1.5px solid var(--rule);
  background: var(--paper);
}
.chart-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--plot-grid);
  color: var(--ink-2);
}
.chart svg { display: block; width: 100%; height: auto; }

.plot-grid line { stroke: var(--plot-grid); stroke-width: 1; }
.plot-axis { stroke: var(--rule); stroke-width: 1.5; }
.zone-fast { fill: var(--sour-tint); }
.zone-slow { fill: var(--bitter-tint); }
.zone-target { fill: var(--ideal-tint); stroke: var(--ideal); stroke-width: 2.5; }
.tick, .axis-title, .zone-label {
  fill: var(--ink-2);
  font-family: var(--font);
  font-stretch: var(--narrow);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
}
.axis-title { fill: var(--ink); text-transform: uppercase; }
.zone-label { text-transform: uppercase; font-size: 12px; fill: var(--ink); }
.zone-label.target { fill: var(--ideal-ink); font-weight: 800; }

.trail {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}
.trail.drawing { animation: draw 700ms var(--ease-out) both; }
@keyframes draw {
  from { stroke-dashoffset: var(--len); stroke-dasharray: var(--len) var(--len); }
  to   { stroke-dashoffset: 0; stroke-dasharray: var(--len) var(--len); }
}

.shot circle { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }
/* preview of where the loop goes, shown until the first tap */
.ghost path { fill: none; stroke: var(--ink); stroke-width: 2; stroke-dasharray: 3 7; opacity: 0.45; }
.ghost circle { fill: none; stroke: var(--ink); stroke-width: 2; stroke-dasharray: 4 4; opacity: 0.45; }
.ghost text { fill: var(--ink-2); font-family: var(--font); font-weight: 700; font-size: 13px; text-anchor: middle; dominant-baseline: central; }
.shot text {
  fill: var(--ink);
  font-family: var(--font);
  font-weight: 800;
  font-size: 13px;
  text-anchor: middle;
  dominant-baseline: central;
}
.shot.current circle { fill: var(--ink); }
.shot.current text { fill: var(--paper); }
.shot.dialed circle { fill: var(--field-ok); stroke: var(--field-ok); }
.shot.dialed text { fill: #fff; }
.shot.arrive { animation: arrive 420ms var(--ease-out) both; transform-box: fill-box; transform-origin: center; }
@keyframes arrive {
  from { opacity: 0; transform: scale(0.4); }
  to   { opacity: 1; transform: scale(1); }
}

.chart-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px 24px;
  align-items: center;
  padding: 16px;
  border-top: 1.5px solid var(--rule);
}
.shot-readout { font-weight: 600; font-size: 1.0625rem; }
.shot-readout .label { display: block; margin-bottom: 2px; color: var(--ink-2); }
.taste { display: flex; gap: 8px; }
.taste button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 16px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}
.taste button::before {
  content: "";
  width: 12px; height: 12px;
  background: var(--swatch);
  border: 1px solid var(--ink);
}
.taste [data-taste="sour"] { --swatch: var(--sour); }
.taste [data-taste="perfect"] { --swatch: var(--ideal); }
.taste [data-taste="bitter"] { --swatch: var(--bitter); }
.taste button:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.taste button:disabled { opacity: 0.38; cursor: default; }
.taste-q { grid-column: 1 / -1; display: none; }

.verdict {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  min-height: 52px;
  padding-top: 14px;
  border-top: 1px solid var(--plot-grid);
}
.verdict-main {
  font-stretch: var(--wide);
  font-weight: 800;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
}
.verdict-why { flex: 1 1 100%; color: var(--ink-2); font-size: 0.9375rem; }
.verdict.is-dialed .verdict-main { color: var(--ideal-ink); }
.verdict[data-empty] .verdict-main { color: var(--ink-2); font-weight: 600; font-stretch: 100%; font-size: 1rem; letter-spacing: 0; }
.reset {
  min-height: 44px;
  padding: 0 14px;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
}
.reset[hidden] { display: none; }

.chart-note { padding: 0 16px 14px; color: var(--ink-2); font-size: 0.875rem; }

/* the svg scales to ~half size on phones, so its type has to grow in user units */
.axis-y-short { display: none; }
@media (max-width: 620px) {
  .hero { padding-top: 20px; }
  .hero .wrap { gap: 24px; }
  .hero h1 { font-size: 2.375rem; }
  .hero-lead { margin-top: 14px; font-size: 1.0625rem; }
  .hero-actions { margin-top: 20px; }
  .hero-actions .btn-lg { min-height: 54px; }
  .facts { margin-top: 12px; font-size: 0.9375rem; }
  .cap-long { display: none; }
  .chart-head { padding: 8px 12px; }
  .chart svg { padding: 8px 10px 0 6px; }
  .axis-y-short { display: inline; font-size: 20px; }
  .tick, .axis-title { font-size: 24px; }
  .axis-y { display: none; }
  .zone-label { font-size: 21px; }
  .zone-label.target { font-size: 22px; }
  .shot circle { r: 20px; }
  .ghost circle { r: 18px; }
  .shot text { font-size: 20px; }
  .trail { stroke-width: 3; }
  .chart-panel { grid-template-columns: 1fr; }
  .taste button { flex: 1; justify-content: center; padding: 0 8px; }
}

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

.section { padding-block: clamp(72px, 10vw, 136px); }
.section-head { max-width: 760px; }
.section-head p { margin-top: 20px; font-size: 1.1875rem; color: var(--ink-2); max-width: 60ch; }

/* rule strip: the three rules at their true widths on the time axis (10-45 s) */
.rule-strip { margin: 56px 0 0; }
.rs-zones {
  display: grid;
  grid-template-columns: 15fr 5fr 15fr;
  border: 1.5px solid var(--rule);
  border-bottom: 0;
}
.rs-zone { display: flex; flex-direction: column; padding: clamp(20px, 2.6vw, 36px); min-height: 320px; }
.rs-zone + .rs-zone { border-left: 1.5px solid var(--rule); }
.rs-fast { background: var(--sour); color: #17202b; }
.rs-ok { background: var(--field-ok); color: #fff; padding-inline: clamp(12px, 1.2vw, 18px); }
.rs-slow { background: var(--field-slow); color: #fff; }
.rs-zone h3 { font-size: clamp(1.5rem, 2.3vw, 2.5rem); }
.rs-cond {
  margin-top: 10px;
  font-stretch: var(--narrow);
  font-weight: 700;
  font-size: 1rem;
}
.rs-zone p:not(.rs-cond) { margin-top: 16px; max-width: 34ch; }
.rs-zone q { margin-top: auto; padding-top: 24px; font-weight: 700; quotes: none; }

.rs-axis { position: relative; height: 64px; border-top: 1.5px solid var(--rule); }
.rs-bar {
  height: 10px;
  background: linear-gradient(90deg,
    var(--sour) 0 42.86%, var(--field-ok) 42.86% 57.14%, var(--field-slow) 57.14% 100%);
  border-bottom: 1.5px solid var(--rule);
}
.rs-path { position: absolute; left: 0; top: 13px; width: 100%; height: 16px; overflow: visible; }
.rs-path path { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 5 5; fill: none; }
.rs-dot {
  position: absolute;
  top: 9px;
  width: 24px; height: 24px;
  margin-left: -12px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  font-weight: 800;
  font-size: 0.75rem;
  line-height: 20px;
  text-align: center;
}
.rs-dot.is-ok { background: var(--field-ok); border-color: var(--field-ok); color: #fff; }
.rs-tick {
  position: absolute;
  bottom: 4px;
  transform: translateX(-50%);
  color: var(--ink-2);
  font-stretch: var(--narrow);
  font-weight: 600;
  font-size: 0.8125rem;
}
.rs-tick.is-start { transform: none; }
.rs-tick.is-end { transform: translateX(-100%); }
.rs-title { margin-top: 6px; text-align: center; color: var(--ink); }

@media (max-width: 860px) {
  .rule-strip { display: flex; flex-direction: column; }
  .rs-axis { order: -1; border-top: 0; margin-bottom: 4px; }
  .rs-title { order: -1; margin: 0 0 8px; text-align: left; }
  .rs-zones { grid-template-columns: 1fr; border-bottom: 1.5px solid var(--rule); }
  .rs-zone { min-height: 0; }
  .rs-ok { padding-inline: clamp(20px, 2.6vw, 36px); }
  .rs-zone + .rs-zone { border-left: 0; border-top: 1.5px solid var(--rule); }
  .rs-axis .rs-bar { border-top: 1.5px solid var(--rule); border-inline: 1.5px solid var(--rule); }
}

.steps-table {
  width: 100%;
  margin-top: 40px;
  border-collapse: collapse;
}
.steps-table caption { text-align: left; padding-bottom: 12px; font-weight: 700; font-size: 1.125rem; }
.steps-table th,
.steps-table td {
  padding: 14px 16px 14px 0;
  border-top: 1px solid var(--plot-grid);
  text-align: left;
  vertical-align: baseline;
}
.steps-table thead th { border-top: 1.5px solid var(--rule); color: var(--ink-2); }
.steps-table tbody tr:last-child td,
.steps-table tbody tr:last-child th { border-bottom: 1.5px solid var(--rule); }
.steps-table td.big { font-stretch: var(--wide); font-weight: 800; font-size: 1.5rem; }
.footnote { margin-top: 20px; color: var(--ink-2); max-width: 70ch; }

/* per-bean memory */
.split {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.spec {
  margin: 40px 0 0;
  padding: 0;
  border-top: 1.5px solid var(--rule);
}
.spec div {
  display: grid;
  grid-template-columns: minmax(140px, 2fr) 3fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--plot-grid);
}
.spec div:last-child { border-bottom: 1.5px solid var(--rule); }
.spec dt { font-weight: 700; }
.spec dd { margin: 0; color: var(--ink-2); }

.phones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.phones figure:nth-child(2) { margin-top: 72px; }

.shot-fig { margin: 0; }
.shot-fig img {
  width: 100%;
  border: 1.5px solid var(--rule);
  background: #2a2520;
}
.shot-fig figcaption { margin-top: 12px; font-size: 0.9375rem; color: var(--ink-2); }
.shot-fig figcaption b { color: var(--ink); }

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

/* figure strip */
.strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 56px;
}
@media (max-width: 980px) {
  .strip {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(220px, 62vw);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    scroll-padding-inline: var(--gutter);
  }
  .strip .shot-fig { scroll-snap-align: start; }
}

/* privacy: the inverted sheet */
.inverse {
  background: var(--ink);
  color: var(--paper);
  background-image:
    linear-gradient(rgb(128 128 128 / 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgb(128 128 128 / 0.09) 1px, transparent 1px);
  background-size: calc(var(--cell) * 5) calc(var(--cell) * 5);
}
.inverse .section-head p { color: var(--on-ink-2); }
@media (prefers-color-scheme: light) {
  .inverse .section-head p { color: #b9c0ca; }
}
.ledger {
  width: 100%;
  margin-top: 48px;
  border-collapse: collapse;
}
.ledger th,
.ledger td {
  padding: 20px 16px 20px 0;
  border-top: 1px solid rgb(128 128 128 / 0.35);
  text-align: left;
  vertical-align: baseline;
}
.ledger tr:first-child th,
.ledger tr:first-child td { border-top: 1.5px solid currentColor; }
.ledger tr:last-child th,
.ledger tr:last-child td { border-bottom: 1.5px solid currentColor; }
.ledger th { width: 32%; font-weight: 600; }
.ledger td.val {
  width: 22%;
  font-stretch: var(--wide);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
}
.ledger td.note { opacity: 0.78; }
@media (max-width: 700px) {
  .ledger tr { display: grid; grid-template-columns: 1fr auto; }
  .ledger th, .ledger td { width: auto; border-top: 0; }
  .ledger tr { border-top: 1px solid rgb(128 128 128 / 0.35); }
  .ledger tr:first-child { border-top: 1.5px solid currentColor; }
  .ledger td.note { grid-column: 1 / -1; padding-top: 0; }
  .ledger th, .ledger td.val { padding-bottom: 6px; }
  .ledger tr:last-child th, .ledger tr:last-child td { border-bottom: 0; }
  .ledger tr:last-child { border-bottom: 1.5px solid currentColor; }
}

/* open source */
.links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1.5px solid var(--rule);
}
.links-grid a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 24px 24px 0;
  border-bottom: 1px solid var(--plot-grid);
  text-decoration: none;
}
.links-grid a:nth-child(odd) { border-right: 1px solid var(--plot-grid); }
.links-grid a:nth-child(even) { padding-left: 24px; }
.links-grid strong { font-stretch: var(--wide); font-weight: 800; font-size: 1.375rem; letter-spacing: -0.01em; }
.links-grid span { color: var(--ink-2); }
.links-grid a:hover strong { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
@media (max-width: 700px) {
  .links-grid { grid-template-columns: 1fr; }
  .links-grid a:nth-child(odd) { border-right: 0; }
  .links-grid a:nth-child(even) { padding-left: 0; }
}

/* close: inside the target box */
.close {
  background: var(--field-ok);
  color: #fff;
  border-block: 1.5px solid var(--rule);
}
.close .wrap {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px;
  align-items: center;
}
.close h2 { font-size: clamp(2.5rem, 5.5vw, 5rem); line-height: 0.96; letter-spacing: -0.03em; }
.close p { margin-top: 20px; font-size: 1.1875rem; max-width: 40ch; }
.close .btn-primary { margin-top: 32px; background: #17202b; border-color: #17202b; color: #f6f6f1; }
.close .btn-primary:hover { background: #f6f6f1; border-color: #f6f6f1; color: #17202b; }
.close-mark { width: 100%; max-width: 360px; justify-self: end; }
.close-mark rect.box { fill: rgb(255 255 255 / 0.14); stroke: #fff; stroke-width: 3; }
.close-mark line { stroke: rgb(255 255 255 / 0.35); }
.close-mark circle { fill: #17202b; }
.close-mark path { fill: none; stroke: #17202b; stroke-width: 2.5; stroke-dasharray: 7 7; }
@media (max-width: 860px) {
  .close .wrap { grid-template-columns: 1fr; }
  .close-mark { justify-self: start; max-width: 260px; }
}

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

.site-foot {
  border-top: 1.5px solid var(--rule);
  background: var(--paper);
  padding-block: 40px;
  color: var(--ink-2);
  font-size: 0.9375rem;
}
.site-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 40px;
}
.site-foot ul { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 0; padding: 0; list-style: none; }
.site-foot a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; color: var(--ink); }
.site-foot a:hover { text-decoration: underline; }
.site-foot p { align-self: center; }

/* ---------- reading pages (guides, roadmap, contribute, privacy) ---------- */

.page-head {
  padding-block: clamp(48px, 7vw, 96px) clamp(32px, 4vw, 48px);
  border-bottom: 1.5px solid var(--rule);
}
.page-head h1 { font-size: clamp(2.5rem, 6vw, 5rem); line-height: 0.96; letter-spacing: -0.03em; font-weight: 850; max-width: 16ch; }
.page-head p { margin-top: 20px; max-width: 58ch; font-size: 1.1875rem; color: var(--ink-2); }

.doc {
  display: grid;
  grid-template-columns: minmax(180px, 3fr) minmax(0, 9fr);
  gap: clamp(32px, 5vw, 80px);
  padding-block: clamp(48px, 6vw, 80px) clamp(72px, 9vw, 120px);
}
.doc-toc {
  position: sticky;
  top: 24px;
  align-self: start;
  border-top: 1.5px solid var(--rule);
}
.doc-toc ol { margin: 0; padding: 0; list-style: none; }
.doc-toc a {
  display: flex;
  min-height: 44px;
  align-items: center;
  border-bottom: 1px solid var(--plot-grid);
  text-decoration: none;
  font-weight: 500;
}
.doc-toc a:hover { text-decoration: underline; }
.doc-body { max-width: 72ch; min-width: 0; }
@media (max-width: 860px) {
  .doc { grid-template-columns: minmax(0, 1fr); }
  .doc-toc { position: static; }
}
.doc-body > section + section { margin-top: clamp(56px, 7vw, 88px); padding-top: 32px; border-top: 1.5px solid var(--rule); }
.doc-body h2 { font-size: clamp(1.875rem, 3.4vw, 2.75rem); scroll-margin-top: 24px; }
.doc-body h3 { margin-top: 40px; font-size: 1.375rem; }
.doc-body h2 + p { margin-top: 18px; }
.doc-body p + p, .doc-body ul + p, .doc-body ol + p { margin-top: 14px; }
.doc-body h3 + p, .doc-body h3 + ul, .doc-body h3 + ol { margin-top: 12px; }
.doc-body p, .doc-body li { color: var(--ink); }
.doc-body ul, .doc-body ol { margin: 14px 0 0; padding-left: 1.25em; }
.doc-body li + li { margin-top: 6px; }
.doc-body li::marker { color: var(--ink-2); font-weight: 700; }

.rule-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  margin-top: 24px;
  padding: 18px 0;
  border-block: 1.5px solid var(--rule);
}
.rule-line .label { color: var(--ink-2); align-self: center; }
.rule-line p { font-stretch: var(--wide); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.01em; }
.rule-line.is-tip p { font-stretch: 100%; font-weight: 500; font-size: 1.0625rem; letter-spacing: 0; }
@media (max-width: 620px) {
  /* label runs in before the statement instead of sitting above it */
  .rule-line { display: block; }
  .rule-line .label {
    display: inline;
    font: inherit;
    font-weight: 700;
    font-stretch: 100%;
    font-size: 1rem;
    letter-spacing: 0;
    text-transform: none;
    color: var(--ink-2);
  }
  .rule-line .label::after { content: ": "; }
  .rule-line p { display: inline; }
  .doc th, .doc td { padding-right: 10px; font-size: 0.9375rem; }
  .doc td { white-space: nowrap; }
  .doc td:last-child { white-space: normal; }
  /* dots 2 and 3 sit 2 s apart: shrink to plain markers so they share the row */
  .rs-dot { top: 15px; width: 12px; height: 12px; margin-left: -6px; font-size: 0; border-width: 2px; }
}

.table-wrap { margin-top: 24px; overflow-x: auto; }
.doc table { width: 100%; border-collapse: collapse; }
.doc th, .doc td { padding: 12px 16px 12px 0; text-align: left; vertical-align: baseline; border-top: 1px solid var(--plot-grid); }
.doc thead th { border-top: 1.5px solid var(--rule); color: var(--ink-2); }
.doc tbody tr:last-child > * { border-bottom: 1.5px solid var(--rule); }

.zone-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 24px;
  border: 1.5px solid var(--rule);
}
.zone-grid > div { padding: 20px; }
.zone-grid > div:nth-child(even) { border-left: 1.5px solid var(--rule); }
.zone-grid > div:nth-child(n+3) { border-top: 1.5px solid var(--rule); }
.zone-grid h3 { margin: 0; font-size: 1.25rem; }
.zone-grid ul { margin-top: 10px; }
.z-fast { background: var(--sour-tint); }
.z-slow { background: var(--bitter-tint); }
@media (max-width: 640px) {
  .zone-grid { grid-template-columns: 1fr; }
  .zone-grid > div:nth-child(even) { border-left: 0; }
  .zone-grid > div + div { border-top: 1.5px solid var(--rule); }
}

.action-list { margin-top: 0; border-top: 1.5px solid var(--rule); }
.action-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px 32px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--plot-grid);
}
.action-row:last-child { border-bottom: 1.5px solid var(--rule); }
.action-row h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.action-row p { margin-top: 8px; color: var(--ink-2); max-width: 60ch; }
.action-row ul { margin: 10px 0 0; padding-left: 1.2em; color: var(--ink-2); }
@media (max-width: 700px) {
  .action-row { grid-template-columns: 1fr; }
  .action-row .btn { justify-self: start; }
}

.lang-switch { display: inline-flex; margin-bottom: 40px; border: 1.5px solid var(--rule); }
.lang-switch button {
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.lang-switch button + button { border-left: 1.5px solid var(--rule); }
.lang-switch button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* 404: a shot off the chart */
.lost {
  min-height: calc(100vh - 74px - 126px);
  display: grid;
  align-content: center;
  padding-block: 64px;
}
.lost .wrap { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 48px; align-items: center; }
.lost h1 { font-size: clamp(3rem, 8vw, 7rem); line-height: 0.92; letter-spacing: -0.035em; font-weight: 850; }
.lost p { margin-top: 20px; font-size: 1.1875rem; color: var(--ink-2); max-width: 40ch; }
.lost .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.lost svg { width: 100%; max-width: 440px; overflow: visible; }
@media (max-width: 800px) { .lost .wrap { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}