/* Spring Boot 4 poster
   Colors from spring.io, fonts self-hosted (no third-party requests). */

@font-face { font-family: "Metropolis"; font-weight: 400; font-display: swap; src: url("../fonts/metropolis-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Metropolis"; font-weight: 600; font-display: swap; src: url("../fonts/metropolis-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Metropolis"; font-weight: 700; font-display: swap; src: url("../fonts/metropolis-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Metropolis"; font-weight: 800; font-display: block; src: url("../fonts/metropolis-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Work Sans"; font-weight: 400; font-display: swap; src: url("../fonts/work-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Work Sans"; font-weight: 400; font-style: italic; font-display: swap; src: url("../fonts/work-sans-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: "Work Sans"; font-weight: 500; font-display: swap; src: url("../fonts/work-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Work Sans"; font-weight: 600; font-display: swap; src: url("../fonts/work-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 600; font-display: swap; src: url("../fonts/jetbrains-mono-latin-600-normal.woff2") format("woff2"); }

:root {
  --green: #6db33f;        /* Spring green: rules, route, graphics */
  --leaf: #80ea6e;         /* bright green, dark surfaces only */
  --green-ink: #3d7a20;    /* green text on white, AA contrast */
  --night: #191e1e;        /* spring.io dark */
  --night-2: #232a2a;
  --surface: #141818;      /* code blocks, pom.xml card, warning box */
  --surface-head: #1b2121; /* tab bar on top of a surface */
  --surface-line: #2f3838; /* borders and dividers of a surface */

  /* colors used inside those boxes; the high-contrast theme overrides them */
  --code-text: var(--on-night);
  --code-muted: #9fb0b0;
  --code-accent: var(--leaf);
  --code-annotation: var(--leaf);
  --code-keyword: #b9dcae;
  --code-string: #f1d38a;
  --code-comment: #849696;
  --code-del: #c98d8d;
  --code-del-line: #8f7a7a;
  --code-del-bg: rgba(201, 141, 141, 0.08);
  --code-strike: rgba(201, 141, 141, 0.55);
  --code-add-bg: rgba(128, 234, 110, 0.09);
  --code-size: 13px;
  --box-title: #ffffff;
  --radius: 10px;          /* every box on the page */
  --mist: #ebf2f2;
  --mist-line: #d9e9e9;
  --paper: #ffffff;
  --ink: #191e1e;
  --ink-soft: #4b5656;
  --on-night: #e6eeee;
  --on-night-soft: #9fb0b0;

  --display: "Metropolis", "Work Sans", system-ui, sans-serif;
  --text: "Work Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --pad-x: 80px;
  --gap: 32px;
}

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

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

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-ink); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, .ref:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; border-radius: 2px; }

code, .mono { font-family: var(--mono); font-size: 0.86em; }

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

.icon { width: 28px; height: 28px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- poster canvas ---------- */

.poster {
  max-width: 1600px;
  margin: 40px auto;
  background: var(--paper);
  box-shadow: 0 30px 80px -40px rgba(25, 30, 30, 0.35);
}

.section { padding: 72px var(--pad-x); }

.section-head {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: var(--gap);
  align-items: end;
  margin-bottom: 48px;
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: 67px;
  line-height: 1;
  letter-spacing: -0.02em;
}

/* a heading without intro text uses the full width, so it stays on one line */
.section-head h2:only-child { grid-column: 1 / -1; }

.section-head p {
  margin: 0;
  max-width: 62ch;
  font-size: 21px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.ref {
  font-family: var(--text);
  font-size: 12px;
  font-weight: 600;
  vertical-align: super;
  line-height: 0;
  color: var(--green-ink);
  text-decoration: none;
  margin-left: 2px;
}
.ref:hover { text-decoration: underline; }
.ref + .ref::before { content: ","; margin-right: 2px; }

/* ---------- header ---------- */

.masthead {
  position: relative;
  background: var(--night);
  color: var(--on-night);
  overflow: hidden;
}

/* spring.io's gradient hero bar */
.masthead::before {
  content: "";
  display: block;
  height: 10px;
  background: linear-gradient(90deg, var(--green) 50%, var(--leaf) 50%);
}

.masthead-main {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--gap);
  padding: 72px var(--pad-x) 40px;
  align-items: end;
}

.masthead h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: 152px;
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: #fff;
}

.masthead .tagline {
  margin: 28px 0 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: 38px;
  line-height: 1.15;
  color: var(--leaf);
  max-width: 22ch;
}

.masthead .lead {
  margin: 36px 0 0;
  font-size: 21px;
  line-height: 1.5;
  max-width: 50ch;
  color: var(--on-night);
}

.masthead a { color: var(--leaf); }
.masthead .ref { color: var(--leaf); }

/* header: pom.xml diff card. Base styles are the finished state, so
   print, reduced motion and no-JS all show the result. */
.diff-card {
  align-self: start;
  margin: 110px 0 0 auto;
  width: 100%;
  max-width: 600px;
  background: var(--surface);
  border: 1px solid var(--surface-line);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
  border-radius: var(--radius);
}
.diff-card figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 42px;
  padding: 0 18px;
  border-bottom: 1px solid var(--surface-line);
  background: var(--surface-head);
  font-size: 13px;
}
.diff-card .tab { font-family: var(--mono); color: var(--code-text); border-bottom: 2px solid var(--code-accent); padding: 11px 0 10px; }
.diff-card .meta { color: var(--code-muted); }
.diff-card .code { padding: 14px 0; font-family: var(--mono); font-size: 13.5px; line-height: 1.9; }
.diff-card .ln { display: grid; grid-template-columns: 22px 1fr; padding: 0 18px; white-space: pre; overflow: hidden; }
.diff-card .ctx { min-height: 1.9em; }
.diff-card .sg { color: var(--code-muted); }
.diff-card code { font-size: inherit; color: var(--code-text); }
.diff-card .del { background: var(--code-del-bg); }
.diff-card .del .sg, .diff-card .del code { color: var(--code-del-line); }
.diff-card .del code { text-decoration: line-through; text-decoration-color: var(--code-strike); }
.diff-card .add { background: var(--code-add-bg); max-height: 2em; }
.diff-card .add .sg, .diff-card .add code { color: var(--code-accent); }

/* On load: the file starts as plain 3.5 code. Each change strikes the old
   line, then inserts the new one below it, one pair after another. */
@media screen and (prefers-reduced-motion: no-preference) {
  .diff-card .del, .diff-card .del .sg, .diff-card .del code {
    animation-duration: 0.35s;
    animation-timing-function: ease-out;
    animation-fill-mode: both;
    animation-delay: calc(0.8s + var(--n) * 1.2s);
  }
  .diff-card .del { animation-name: diff-mark; }
  .diff-card .del .sg { animation-name: diff-sign; }
  .diff-card .del code { animation-name: diff-strike; }
  .diff-card .add {
    animation: diff-insert 0.45s cubic-bezier(0.3, 0, 0.2, 1) both;
    animation-delay: calc(1.25s + var(--n) * 1.2s);
  }
  @keyframes diff-mark { from { background: transparent; } }
  @keyframes diff-sign { from { opacity: 0; } }
  @keyframes diff-strike { from { color: var(--code-text); text-decoration-color: transparent; } }
  @keyframes diff-insert { from { max-height: 0; opacity: 0; background: transparent; } }
}

/* timeline */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 36px var(--pad-x) 56px;
  list-style: none;
  background: var(--night-2);
}
.timeline::before {
  content: "";
  position: absolute;
  left: var(--pad-x);
  right: var(--pad-x);
  top: 50px;
  height: 2px;
  background: linear-gradient(90deg, #4b5656 0 18%, var(--green) 18% 100%);
}
.timeline li { position: relative; padding: 32px 24px 0 0; }
.timeline li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--night-2);
}
.timeline li.past::before { background: #6f7c7c; }
.timeline li.next::before { background: var(--night-2); border: 2px solid var(--leaf); }
.timeline time { display: block; font-size: 14px; color: var(--on-night-soft); }
.timeline .ev {
  display: block;
  margin-top: 2px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  color: #fff;
}
.timeline .note { display: block; margin-top: 4px; font-size: 14px; line-height: 1.4; color: var(--on-night-soft); max-width: 28ch; }

/* ---------- what's new ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 40px 32px;
}

.feature {
  grid-column: span 4;
  padding: 4px 8px 8px 28px;
  border-left: 4px solid var(--green);
}
.feature, .migrate-grid > *, .masthead-main > * { min-width: 0; }
.feature.wide { grid-column: span 6; }
.feature.narrow { grid-column: span 3; }

.feature header { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; color: var(--green-ink); }
.feature h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.feature p { margin: 0 0 14px; max-width: 60ch; }
.feature ul { margin: 0 0 14px; padding-left: 1.1em; }
.feature li { margin-bottom: 6px; }
.feature li::marker { color: var(--green); }
.feature .small { font-size: 14px; color: var(--ink-soft); }

/* naming scheme table inside modularization */
.naming {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0 18px;
  font-size: 15px;
}
.naming th { text-align: left; font-weight: 500; color: var(--ink-soft); padding: 8px 16px 8px 0; width: 30%; vertical-align: top; }
.naming td { padding: 8px 0; font-family: var(--mono); font-size: 14px; }
.naming tr + tr { border-top: 1px solid var(--mist-line); }
.naming var { font-style: normal; color: var(--green-ink); font-weight: 600; }

/* size comparison */
.sizebar { margin: 4px 0 18px; }
.sizebar .row { display: grid; grid-template-columns: 160px 1fr; align-items: center; gap: 12px; font-size: 14px; color: var(--ink-soft); }
.sizebar .row + .row { margin-top: 8px; }
.sizebar .bar { height: 22px; background: var(--mist); position: relative; }
.sizebar .bar span { position: absolute; inset: 0 auto 0 0; background: var(--green); }
.sizebar .bar b { position: absolute; left: calc(var(--w) + 8px); top: 0; line-height: 22px; font-weight: 600; color: var(--ink); font-size: 14px; white-space: nowrap; }
.sizebar .bar b.in { left: auto; right: 10px; color: var(--night); }

/* code */
pre {
  margin: 0 0 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--surface-line);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: var(--code-size);
  line-height: 1.6;
  overflow-x: auto;
  tab-size: 2;
  border-radius: var(--radius);
}
pre code { font-size: inherit; }
pre .an { color: var(--code-annotation); }
pre .kw { color: var(--code-keyword); }
pre .st { color: var(--code-string); }
pre .cm { color: var(--code-comment); }
pre .del { color: var(--code-del); text-decoration: line-through; text-decoration-color: var(--code-strike); }
pre .key { color: var(--code-keyword); }

.also {
  margin-top: 24px;
  padding: 28px 32px;
  background: var(--mist);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--gap);
  align-items: baseline;
  border-radius: var(--radius);
}
.also h3 { margin: 0; font-family: var(--display); font-weight: 700; font-size: 21px; }
.also ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 32px; }
.also li { padding-left: 16px; position: relative; font-size: 15px; }
.also li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px; background: var(--green); }

/* ---------- migration ---------- */

.migration { background: var(--mist); }

.route {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0 24px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.route::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 28px;
  right: 28px;
  height: 3px;
  background: var(--green);
}
.route li { position: relative; counter-increment: step; }
.route li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--green);
  font-family: var(--display);
  font-weight: 800;
  font-size: 24px;
  color: var(--ink);
  position: relative;
}
.route li:last-child::before { background: var(--green); color: var(--paper); }
.route h3 {
  margin: 20px 0 8px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.2;
}
.route p { margin: 0; font-size: 15px; color: var(--ink-soft); }
.route code { color: var(--ink); }

.automate {
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 36px 0 56px;
  padding: 18px 24px;
  background: var(--paper);
  border-left: 4px solid var(--green);
  font-size: 16px;
  border-radius: var(--radius);
}
.automate .icon { color: var(--green-ink); }
.automate p { margin: 0; min-width: 0; overflow-wrap: anywhere; }

.migrate-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: stretch;
}
/* left column fills the row height, so its last box ends level with the warning box */
.migrate-left { display: flex; flex-direction: column; }

.panel-title {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 8px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
}
.panel-intro { margin: 0 0 20px; color: var(--ink-soft); }

.renames { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--paper); table-layout: fixed; border-radius: var(--radius); overflow: hidden; }
.renames td { overflow-wrap: anywhere; }
.renames .c-old { width: 46%; }
.renames .c-arrow { width: 32px; }
.renames caption { text-align: left; }
.renames tbody th {
  text-align: left;
  padding: 20px 20px 8px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  color: var(--green-ink);
  background: var(--paper);
}
.renames td {
  padding: 7px 20px;
  font-family: var(--mono);
  font-size: 13.5px;
  vertical-align: top;
  border-top: 1px solid var(--mist);
}
.renames td.old { color: var(--ink-soft); width: 47%; }
.renames td.arrow { width: 28px; padding: 6px 0; color: var(--green-ink); }
.renames td.arrow .icon { width: 18px; height: 18px; display: block; }
.renames td.new { color: var(--ink); font-weight: 600; }
.renames .why { display: block; font-family: var(--text); font-weight: 400; font-size: 13px; color: var(--ink-soft); }
.renames tbody:last-child tr:last-child td { padding-bottom: 18px; }

.breakers {
  background: var(--surface);
  color: var(--code-text);
  padding: 32px 32px 24px;
  border-top: 6px solid var(--code-accent);
  border-radius: var(--radius);
  overflow: hidden;
}
.breakers .panel-title { color: var(--box-title); }
.breakers .panel-title .icon { color: var(--code-accent); }
.breakers .panel-intro { color: var(--code-muted); }
.breakers dl { margin: 0; }
.breakers dt { font-weight: 600; color: var(--box-title); padding-top: 14px; border-top: 1px solid var(--surface-line); }
.breakers dt:first-of-type { border-top: 0; padding-top: 0; }
.breakers dd { margin: 4px 0 14px; font-size: 15px; color: var(--code-muted); }
.breakers code { color: var(--code-accent); font-size: 13.5px; }
.breakers .ref { color: var(--code-accent); }

.removed { flex: 1; margin-top: 32px; padding: 24px 24px 28px; background: var(--paper); border-radius: var(--radius); }
.removed .panel-title { font-size: 21px; }
.removed ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 10px 32px; }
.removed li { font-size: 16px; }
.removed s { text-decoration-thickness: 2px; text-decoration-color: var(--green); color: var(--ink); }
.removed .aside { font-size: 14px; color: var(--ink-soft); margin-left: 6px; }

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

.after {
  display: grid;
  grid-template-columns: 4fr 4fr 4fr;
  gap: var(--gap);
}
.after h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: 50px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.after h2 + p { margin: 16px 0 0; color: var(--ink-soft); max-width: 36ch; }
.after section { border-top: 4px solid var(--green); padding-top: 18px; }
.after h3 { margin: 0 0 4px; font-family: var(--display); font-weight: 700; font-size: 28px; }
.after .when { margin: 0 0 12px; font-size: 14px; color: var(--ink-soft); }
.after ul { margin: 0; padding-left: 1.1em; }
.after li { margin-bottom: 6px; }
.after li::marker { color: var(--green); }

.sources { background: var(--night); color: var(--on-night); }
.sources h2 { margin: 0 0 24px; font-family: var(--display); font-weight: 800; font-size: 38px; color: #fff; }
.sources ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: src;
  columns: 3;
  column-gap: 48px;
  font-size: 14px;
}
.sources li { counter-increment: src; break-inside: avoid; display: grid; grid-template-columns: 34px 1fr; padding: 6px 0; }
.sources li::before { content: counter(src); font-family: var(--display); font-weight: 700; color: var(--leaf); }
.sources li:target { background: #263030; outline: 1px solid var(--green); }
.sources a { color: var(--on-night); text-decoration-color: rgba(128, 234, 110, 0.5); }
.sources a:hover { color: var(--leaf); }
.sources .fine {
  margin: 40px 0 0;
  padding-top: 20px;
  border-top: 1px solid #2f3838;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 40px;
  font-size: 13px;
  color: var(--on-night-soft);
}
.sources .fine p { margin: 0; max-width: 90ch; }


/* ---------- high-contrast theme (toggle in the header) ----------
   Light code boxes with dark text; every text color is at least 7:1 on its background. */
:root[data-theme="contrast"] {
  --surface: #ffffff;
  --surface-head: #eef3f3;
  --surface-line: #8fa3a3;
  --code-text: #0f1414;
  --code-muted: #2f3a3a;
  --code-accent: #1a500b;
  --code-annotation: #1a500b;
  --code-keyword: #0f3f5c;
  --code-string: #6b3200;
  --code-comment: #3c4747;
  --code-del: #8a1414;
  --code-del-line: #8a1414;
  --code-del-bg: #fbe7e7;
  --code-strike: #8a1414;
  --code-add-bg: #e1f4da;
  --box-title: #0f1414;
  --ink-soft: #2f3a3a;
  --on-night-soft: #c9d6d6;
}
:root[data-theme="contrast"] .diff-card { box-shadow: none; border-width: 2px; }
:root[data-theme="contrast"] .breakers { border: 2px solid var(--surface-line); border-top: 6px solid var(--code-accent); }
:root[data-theme="contrast"] .breakers code { font-weight: 600; }

.theme-toggle {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid #3a4545;
  border-radius: 999px;
  background: transparent;
  color: var(--on-night);
  font: 500 14px var(--text);
  cursor: pointer;
}
.theme-toggle .icon { width: 18px; height: 18px; }
.theme-toggle:hover { border-color: var(--leaf); }
.theme-toggle:focus-visible { outline: 3px solid var(--leaf); outline-offset: 2px; }
.theme-toggle[aria-pressed="true"] { background: var(--leaf); border-color: var(--leaf); color: var(--night); }

/* ---------- smaller screens ---------- */

@media (max-width: 1560px) {
  :root { --pad-x: 56px; }
  .poster { margin: 0 auto; }
  .masthead h1 { font-size: 120px; }
  .feature, .feature.narrow { grid-column: span 6; }
  .feature.wide, .feature.full-mid { grid-column: span 12; }
  .also ul { grid-template-columns: repeat(2, 1fr); }
  .route { grid-template-columns: repeat(3, 1fr); gap: 40px 24px; }
  .route::before { display: none; }
  .migrate-grid { grid-template-columns: 1fr; }
  .sources ol { columns: 2; }
}

@media (max-width: 1200px) {
  pre { font-size: 12px; padding: 16px; }
}

@media (max-width: 960px) {
  :root { --pad-x: 24px; --gap: 24px; }
  body { font-size: 16px; }
  .section { padding: 48px var(--pad-x); }
  .section-head { grid-template-columns: 1fr; margin-bottom: 32px; }
  .section-head h2 { font-size: 44px; }
  .section-head p { font-size: 18px; }
  .masthead-main { grid-template-columns: 1fr; padding-top: 80px; }
  .masthead h1 { font-size: 72px; }
  .masthead .tagline { font-size: 28px; }
  .masthead .lead { font-size: 18px; }
  .diff-card { margin: 8px 0 0; }
  .diff-card .code { font-size: 11px; }
  .theme-toggle { top: 20px; right: 16px; padding: 6px 12px; font-size: 13px; }
  .diff-card .ln { grid-template-columns: 16px 1fr; padding: 0 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
  .diff-card .add { max-height: 4em; }
  .timeline { grid-template-columns: 1fr; gap: 20px; }
  .timeline::before { left: calc(var(--pad-x) + 6px); right: auto; top: 44px; bottom: 56px; width: 2px; height: auto; background: var(--green); }
  .timeline li { padding: 0 0 0 36px; }
  .timeline li::before { top: 4px; }
  .features { grid-template-columns: minmax(0, 1fr); }
  .poster { overflow-wrap: anywhere; }
  .naming th { width: 34%; }
  .feature, .feature.wide, .feature.narrow, .feature.full-mid { grid-column: auto; padding-left: 18px; }
  .also { grid-template-columns: 1fr; gap: 16px; padding: 24px; }
  .also ul { grid-template-columns: 1fr; }
  .route { grid-template-columns: 1fr; gap: 28px; }
  .route li { display: grid; grid-template-columns: 56px 1fr; column-gap: 16px; }
  .route li::before { grid-row: span 2; }
  .route h3 { margin-top: 4px; }
  .automate { align-items: flex-start; }
  .renames td { padding: 6px 12px; font-size: 12.5px; word-break: break-word; }
  .renames tbody th { padding: 16px 12px 4px; }
  .renames td.old { width: 44%; }
  .breakers { padding: 24px 20px; }
  .panel-title { font-size: 24px; align-items: flex-start; }
  .panel-title .icon { margin-top: 1px; }
  .after { grid-template-columns: 1fr; }
  .after h2 { font-size: 40px; }
  .sources ol { columns: 1; }
}

/* ---------- print: one page the exact size of the poster ----------
   poster.js sets the @page size before printing, so "Save as PDF"
   gives a single vector page that scales to any print size. */

@page { margin: 0; }

@media print {
  body { background: var(--night); }
  .poster { margin: 0; max-width: none; width: 1600px; box-shadow: none; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { text-decoration: none; }
  .no-print, .theme-toggle { display: none; }
}