/* ============================================================
   SkillGuard: landing page
   Cream paper and black ink, taken from the logo. The only
   colour on the page is a severity verdict.
   Dials: VARIANCE 7 / MOTION 5 / DENSITY 4
   ============================================================ */

:root {
  color-scheme: light;

  /* paper, straight from the logo */
  --paper:      #fdf8f1;
  --paper-2:    #f7f0e4;   /* banded sections */
  --paper-3:    #f2e9db;   /* hover, chips */
  --line:       #ded4c3;
  --line-soft:  #ebe3d6;

  /* ink */
  --ink:        #100e0c;
  --ink-2:      #4a453c;
  --ink-3:      #6f6862;

  /* the dark half of the brand: the panel and the code blocks */
  --dark:       #100e0c;
  --dark-2:     #1b1713;
  --dark-line:  #2e2822;
  --cream:      #fdf8f1;
  --cream-dim:  #bdb3a2;
  --cream-faint:#94897a;

  /* severity: printed proof colours, red pencil and friends */
  --critical:   #9c1c1c;
  --high:       #8a4a10;
  --medium:     #75570a;
  --low:        #1b5b34;
  --critical-tint: #f4e3de;
  --high-tint:  #f5e9dd;
  --medium-tint:#f3eddf;
  --low-tint:   #e6ede2;
  /* the same meanings, lit for the black panel */
  --critical-on-dark: #ff9a8a;
  --high-on-dark:     #ffb877;
  --medium-on-dark:   #f0cf86;
  --low-on-dark:      #8fd6a6;

  --font: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --mono: var(--font);

  --gutter: 5.5rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --maxw: 1200px;

  --r: 4px;
  --r-lg: 8px;

  --shadow: 0 1px 2px rgba(16, 14, 12, .05), 0 16px 36px -30px rgba(16, 14, 12, .45);
  --shadow-dark: 0 24px 56px -32px rgba(16, 14, 12, .6);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font: 400 16px/1.75 var(--font);
  letter-spacing: -0.004em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* links are ink with a drawn rule, like a marked-up document */
a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
  text-decoration-color: #b3a795;
}
a:hover { text-decoration-thickness: 2px; text-decoration-color: var(--ink); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: var(--r);
}

h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 500; }
p { margin: 0; }
code, pre, kbd { font-family: var(--mono); font-size: .88em; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); position: relative; z-index: 1; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.skip { position: absolute; left: -999px; top: 0; z-index: 99; background: var(--ink); color: var(--cream); padding: .6rem 1rem; }
.skip:focus { left: .5rem; top: .5rem; }

/* mono label, used for every structural marker on the page */
.label {
  font: 500 .7rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--ink);
}
.label::before { content: ''; display: inline-block; width: .5rem; height: .5rem; background: var(--ink); margin-right: .5rem; vertical-align: .02em; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(253, 248, 241, .9);
  backdrop-filter: blur(12px) saturate(130%);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease, background .25s ease;
}
.nav.is-scrolled { box-shadow: 0 12px 26px -24px rgba(16, 14, 12, .75); background: rgba(253, 248, 241, .96); }
/* one centred group of links, and a reading progress line under it */
.nav__in { display: flex; align-items: center; justify-content: center; padding-block: .7rem; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand__logo { display: block; width: 52px; height: 52px; }
.nav__links { display: flex; align-items: center; justify-content: center; gap: 1.75rem; font: 500 .78rem/1 var(--mono); letter-spacing: .02em; }
.nav__links a { position: relative; color: var(--ink-2); text-decoration: none; }
.nav__links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -.4rem; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform .28s cubic-bezier(.2,.8,.2,1);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__gh { display: inline-flex; align-items: center; gap: .45rem; }
.progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; }

.gh { display: block; flex: none; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font: 500 .84rem/1 var(--font);
  padding: .7rem 1rem;
  border: 1px solid var(--ink); border-radius: var(--r);
  background: transparent; color: var(--ink);
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background .14s ease, color .14s ease, transform .14s ease;
}
.btn:hover { background: var(--paper-3); text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }

/* shared type */
.lede { color: var(--ink-2); font-size: clamp(.94rem, 1.3vw, 1rem); line-height: 1.85; max-width: 64ch; }
.sub { color: var(--ink-2); max-width: 64ch; }
.body { color: var(--ink-2); font-size: .95rem; }
.fine { color: var(--ink-3); font-size: .82rem; line-height: 1.55; }
.fine code { color: var(--ink-2); }

/* hero */
.hero { padding: clamp(1.75rem, 3.5vw, 2.75rem) 0 clamp(1.5rem, 3vw, 2.5rem); }
.hero__grid {
  display: grid; gap: clamp(1.5rem, 3vw, 2.75rem);
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  align-items: start;
}
.hero__copy > * + * { margin-top: 1.05rem; }
.hero__top { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 1.9rem); }
.hero__top h1 { flex: 1 1 auto; min-width: 0; }
.hero__mark { display: block; flex: none; width: 104px; height: 104px; }
.hero h1 {
  font-size: clamp(1.85rem, 4.3vw, 2.9rem);
  font-weight: 500; line-height: 1.16; letter-spacing: -0.045em;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: .6rem; }

.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0; padding-top: 1.1rem; border-top: 1px solid var(--line);
  gap: .9rem;
}
.stats dt { font: 500 .68rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.stats dd { margin: .45rem 0 0; font: 500 1.28rem/1 var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); }

/* command block */
.cmd {
  border: 1px solid var(--dark-line); border-radius: var(--r-lg);
  background: var(--dark); overflow: hidden; box-shadow: var(--shadow-dark);
  color: var(--cream-dim);
}
.cmd__bar {
  display: flex; align-items: center; gap: .5rem;
  padding: .55rem .75rem; border-bottom: 1px solid var(--dark-line); background: var(--dark-2);
}
.cmd__title { font: 500 .7rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cream-faint); }
.cmd pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; font-size: .8rem; line-height: 1.75; color: var(--cream-dim); }
.cmd pre code { font-size: inherit; }
.c-kw { color: var(--cream); font-weight: 500; }
.c-dim { color: var(--cream-faint); }
.copy {
  margin-left: auto; font: 500 .68rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  background: transparent; color: var(--cream-dim);
  border: 1px solid var(--dark-line); border-radius: var(--r);
  padding: .34rem .55rem; cursor: pointer;
}
.copy:hover { color: var(--cream); border-color: #4a4238; }
.copy[data-copied] { color: var(--low-on-dark); border-color: #3d5c46; }

/* verdict card */
.verdict {
  border: 1px solid var(--dark-line); border-radius: var(--r-lg);
  background: var(--dark); box-shadow: var(--shadow-dark); overflow: clip; position: relative;
  color: var(--cream);
}
.verdict__head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .8rem 1rem; border-bottom: 1px solid var(--dark-line); background: var(--dark-2);
}
.verdict__path { font: 400 .76rem/1 var(--mono); color: var(--cream-dim); }
.verdict__score { display: flex; align-items: baseline; gap: .5rem; padding: 1.2rem 1rem .7rem; }
.verdict__num { font: 500 2.7rem/1 var(--mono); letter-spacing: -0.05em; font-variant-numeric: tabular-nums; color: var(--critical-on-dark); }
.verdict__of { font: 400 .95rem/1 var(--mono); color: var(--cream-faint); }
.verdict__meta { margin-left: auto; display: flex; align-items: center; gap: .6rem; }
.verdict__findings { font: 400 .76rem/1 var(--mono); color: var(--cream-dim); }

/* ten segment readout, like an instrument settling */
.gauge { list-style: none; display: grid; grid-template-columns: repeat(10, 1fr); gap: 2px; margin: 0 1rem; padding: 0; }
.gauge li {
  height: 5px; background: #241f1a;
  transition: opacity .28s ease, transform .5s cubic-bezier(.2,.8,.2,1);
}
html.js-anim .gauge li { opacity: 0; transform: scaleX(.3); transform-origin: left center; }
.gauge li.on:nth-child(-n+2) { background: var(--low-on-dark); }
.gauge li.on:nth-child(n+3):nth-child(-n+4) { background: var(--medium-on-dark); }
.gauge li.on:nth-child(n+5):nth-child(-n+6) { background: var(--high-on-dark); }
.gauge li.on:nth-child(n+7) { background: var(--critical-on-dark); }
.verdict.is-in .gauge li { opacity: 1; transform: none; }
.verdict.is-in .gauge li:nth-child(1) { transition-delay: .12s; }
.verdict.is-in .gauge li:nth-child(2) { transition-delay: .16s; }
.verdict.is-in .gauge li:nth-child(3) { transition-delay: .2s; }
.verdict.is-in .gauge li:nth-child(4) { transition-delay: .24s; }
.verdict.is-in .gauge li:nth-child(5) { transition-delay: .28s; }
.verdict.is-in .gauge li:nth-child(6) { transition-delay: .32s; }
.verdict.is-in .gauge li:nth-child(7) { transition-delay: .36s; }
.verdict.is-in .gauge li:nth-child(8) { transition-delay: .4s; }
.verdict.is-in .gauge li:nth-child(9) { transition-delay: .44s; }
.verdict.is-in .gauge li:nth-child(10) { transition-delay: .48s; }

.verdict__list { list-style: none; margin: 1.1rem 0 0; padding: 0 1rem; }
.verdict__list li {
  display: flex; align-items: baseline; gap: .7rem;
  padding: .5rem 0; border-top: 1px solid var(--dark-line);
  font-size: .86rem; color: var(--cream);
}
.verdict__list em { margin-left: auto; font: 400 .72rem/1 var(--mono); color: var(--cream-faint); font-style: normal; white-space: nowrap; }
.verdict__foot { padding: .85rem 1rem 1rem; color: var(--cream-faint); font-size: .76rem; }

/* severity tags: square, printed */
.tag {
  display: inline-block;
  font: 600 .64rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem .42rem; border-radius: 2px; border: 1px solid currentColor; white-space: nowrap;
}
.tag--critical { color: var(--critical); background: var(--critical-tint); }
.tag--high     { color: var(--high);     background: var(--high-tint); }
.tag--medium   { color: var(--medium);   background: var(--medium-tint); }
.tag--low      { color: var(--low);      background: var(--low-tint); }
/* lit for the black panel */
.verdict .tag--critical { color: var(--critical-on-dark); background: rgba(255, 154, 138, .12); }

/* generic section */
.section { padding: clamp(2.5rem, 4.5vw, 4rem) 0; scroll-margin-top: 4.5rem; position: relative; }
.section--band { background: var(--paper-2); border-block: 1px solid var(--line); }
.section--ink { background: var(--dark); color: var(--cream-dim); }
.section--ink .shead h2, .section--ink .label { color: var(--cream); }
.section--ink .label::before { background: var(--cream); }
.section--ink .sub { color: var(--cream-dim); }
.section > .wrap { display: grid; grid-template-columns: var(--gutter) minmax(0, 1fr); }
.section > .wrap > * { grid-column: 2; }
.shead { margin-bottom: 1.75rem; }
.shead > * + * { margin-top: .7rem; }
.shead h2 { font-weight: 500; font-size: clamp(1.28rem, 2.3vw, 1.8rem); letter-spacing: -0.04em; max-width: 32ch; line-height: 1.3; }

/* pipeline: a spine with square nodes */
.flowwrap { position: relative; max-width: 960px; }
.flow {
  list-style: none; margin: 0 0 1.6rem; padding: 0 0 0 1.6rem;
  display: grid; gap: 0;
}
.section--band .flow { border-left-color: var(--line); }
.flow li {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: .9rem 1.5rem; align-items: baseline; padding: .75rem 0;
  border-top: 1px solid var(--line-soft);
}
.flow li:first-child { border-top: 0; padding-top: .35rem; }
.flow li::before {
  content: ''; position: absolute; left: -1.6rem; top: 1.15rem;
  width: 7px; height: 7px; margin-left: -4px;
  background: var(--paper); border: 1px solid var(--ink);
}
.flow li:first-child::before { top: .5rem; }
/* the step that fans out into twelve analyzers gets a filled marker */
.flow__split::before { background: var(--ink); }
.flow h3 { font-weight: 600; font-size: .92rem; letter-spacing: -0.02em; }
.flow p { color: var(--ink-2); font-size: .86rem; max-width: 72ch; margin-top: .3rem; }
.node {
  font: 400 .72rem/1 var(--mono); color: var(--ink-2);
  background: var(--paper-3); border: 1px solid var(--line);
  border-radius: 3px; padding: .32rem .5rem; white-space: nowrap;
}
.arrow { color: var(--ink-3); }

.analyzers { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--paper); padding: 1.15rem; }
.analyzers .label { color: var(--ink-3); }
.analyzers .label::before { background: var(--ink-3); }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0 .9rem; padding: 0; }
.chips li {
  font: 400 .76rem/1 var(--mono); color: var(--ink-2);
  border: 1px solid var(--line); background: var(--paper-2);
  border-radius: 3px; padding: .38rem .6rem;
}
.opt { color: var(--high); }

/* rules table */
.filter { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; margin-bottom: .8rem; }
.fbtn {
  font: 500 .72rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-2); background: transparent;
  border: 1px solid var(--line); border-radius: 3px;
  padding: .5rem .6rem; cursor: pointer;
}
.fbtn:hover { border-color: var(--ink-3); color: var(--ink); }
.fbtn.is-on { color: var(--cream); background: var(--ink); border-color: var(--ink); }
.fcount { opacity: .65; font-weight: 400; }
.filter__count { margin-left: auto; font: 400 .74rem/1 var(--mono); color: var(--ink-3); }

.table-scroll {
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--paper); max-height: 62vh; overflow: auto;
}
.rules { width: 100%; border-collapse: collapse; font-size: .85rem; }
.rules thead th {
  position: sticky; top: 0; z-index: 2; text-align: left;
  font: 500 .68rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3);
  background: var(--paper-2); padding: .8rem .75rem; border-bottom: 1px solid var(--line);
}
.rules td { padding: .55rem .75rem; border-top: 1px solid var(--line-soft); color: var(--ink-2); vertical-align: top; transition: background .14s ease; }
.rules tbody tr:hover td { background: var(--paper-3); }
.rules td:nth-child(2) { color: var(--ink-3); white-space: nowrap; }
.rules td:nth-child(3) { color: var(--ink); }
.rules td:last-child { text-align: right; }
.rules td code { color: var(--ink-2); }
.rules [hidden] { display: none; }

/* panels */
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem; }
.panel { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--paper); padding: 1.2rem 1.25rem; box-shadow: var(--shadow); }
.panel h3 { font-size: .95rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 1rem; }
.panel--wide { grid-column: 1 / -1; }
.panel > * + * { margin-top: .75rem; }

.kv { width: 100%; border-collapse: collapse; font-size: .87rem; }
.kv td { padding: .48rem .25rem; border-top: 1px solid var(--line-soft); color: var(--ink-2); vertical-align: middle; }
.kv tr:first-child td { border-top: 0; }
.kv td:last-child { text-align: right; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 500; }

.ext { font-family: var(--mono); font-size: .76rem; line-height: 1.7; color: var(--ink-3); }
.ext code { font-size: inherit; }
.worked { border: 1px solid var(--dark-line); border-radius: var(--r); background: var(--dark); padding: .9rem 1rem; }
.worked .label { color: var(--cream-faint); }
.worked .label::before { background: var(--cream-faint); }
.calc { list-style: none; margin: .85rem 0 0; padding: 0; display: grid; gap: .5rem; }
.calc li {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .15rem 1rem;
  font: 400 .75rem/1.5 var(--mono); color: var(--cream-dim);
}
.calc li span { color: var(--cream-faint); }
.calc li code { overflow-wrap: anywhere; }

.bands { width: 100%; border-collapse: collapse; font-size: .87rem; }
.bands th {
  text-align: left; font: 500 .68rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); padding: .6rem .5rem; border-bottom: 1px solid var(--line);
}
.bands td { padding: .6rem .5rem; border-top: 1px solid var(--line-soft); color: var(--ink-2); }
.bands td:last-child, .bands th:last-child { text-align: right; }
.rec { font: 600 .7rem/1 var(--mono); letter-spacing: .1em; }
.rec--safe { color: var(--low); }
.rec--caution { color: var(--medium); }
.rec--danger { color: var(--critical); }

/* ship it: the black band */
.cmd--onInk { background: var(--dark-2); }
.cmd--onInk .cmd__bar { background: #241f1a; }
.cmd--onInk pre { color: var(--cream-dim); }
.fine--onInk { color: var(--cream-faint); }
.fine--onInk code { color: var(--cream-dim); }
.fine--onInk a { color: var(--cream); text-decoration-color: #7d7263; }
.fine--onInk a:hover { text-decoration-color: var(--cream); }


/* footer */
.foot { border-top: 1px solid var(--line); background: var(--paper); padding: clamp(1.75rem, 3vw, 2.5rem) 0 1.25rem; }
.foot__in { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; }
.foot__brand { display: flex; align-items: flex-start; gap: 1.1rem; max-width: 64ch; }
.foot__brand .brand__logo { width: 52px; height: 52px; }
.foot__brand .fine { margin-top: .2rem; }
.foot__name { font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.foot__meta { display: flex; flex-direction: column; gap: .5rem; align-items: flex-end; text-align: right; }
.foot__meta .fine { margin: 0; }

/* rule ids: mono, ink in the table, cream on the panel */
.rid { font: 500 .74rem/1 var(--mono); color: var(--ink); min-width: 2.6rem; }
.verdict .rid { color: var(--cream); }

/* motion
   Everything animated starts hidden only once the script has marked the page,
   so a reader without JS still sees all of it. */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .55s cubic-bezier(.22,.8,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }

/* the spine of the flow draws itself down as the diagram arrives */
.flowwrap::before {
  content: ''; position: absolute; left: 0; top: .4rem; bottom: .2rem; width: 1px;
  background: var(--line); transform-origin: top;
}
html.js-anim .flowwrap::before { transform: scaleY(0); transition: transform 1.2s cubic-bezier(.3,.9,.2,1) .1s; }
html.js-anim .flowwrap.is-in::before { transform: scaleY(1); }

/* one scan pass across the verdict card, like the scanner reading it.
   The gradient moves inside a full size overlay, so nothing is ever laid out
   outside the card. */
.verdict::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background-image: linear-gradient(100deg, transparent 40%, rgba(253, 248, 241, .13) 50%, transparent 60%);
  background-size: 320% 100%;
  background-position: 140% 0;
}
html.js-anim .verdict.is-in::after { animation: sweep 1.1s cubic-bezier(.45, 0, .2, 1) .2s 1; opacity: 1; }
@keyframes sweep {
  from { background-position: 140% 0; }
  to { background-position: -40% 0; }
}

/* the rule list arrives row by row */
html.js-anim .rules tbody tr { opacity: 0; transform: translateY(5px); }
html.js-anim .table-scroll.is-in .rules tbody tr {
  opacity: 1; transform: none;
  transition: opacity .4s ease, transform .45s cubic-bezier(.2,.8,.2,1);
  transition-delay: calc(var(--i, 0) * 17ms);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .gauge li { opacity: 1; transform: none; transition: none; }
  html.js-anim .verdict.is-in::after { animation: none; opacity: 0; }
  html.js-anim .flowwrap::before { transform: none; transition: none; }
  html.js-anim .rules tbody tr { opacity: 1; transform: none; transition: none; }
  .nav__links a::after { transition: none; }
}
@media print {
  .reveal { opacity: 1 !important; transform: none !important; }
  .gauge li { opacity: 1 !important; transform: none !important; }
  html.js-anim .rules tbody tr { opacity: 1 !important; transform: none !important; }
  html.js-anim .flowwrap::before { transform: none !important; }
  .nav { position: static; }
  .progress { display: none; }
}

/* responsive */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .spec-grid { grid-template-columns: minmax(0, 1fr); }
  .foot__in { align-items: flex-start; }
}

@media (max-width: 720px) {
  :root { --gutter: 0rem; }
  body { font-size: 16px; }
  .section > .wrap { grid-template-columns: minmax(0, 1fr); }
  .section > .wrap > * { grid-column: 1; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .nav__links { gap: 1.1rem; }
  .hero__top { flex-direction: column; align-items: flex-start; gap: .9rem; }
  .hero__mark { width: 76px; height: 76px; }
  .foot__in { gap: 1.5rem; }
  /* the flow gets a narrower spine */
  .flow { padding-left: 1.25rem; }
  .flow li { grid-template-columns: minmax(0, 1fr); gap: .6rem; }
  .flow li::before { left: -1.25rem; }
  .node { justify-self: start; }
  .table-scroll { max-height: none; }
  /* the rules table becomes stacked rows: id + rule + severity, then the category */
  .rules, .rules tbody { display: block; width: auto; }
  .rules thead { display: none; }
  .rules tr {
    display: grid; grid-template-columns: 3.4rem minmax(0, 1fr) auto;
    gap: .25rem .6rem; padding: .7rem .8rem;
  }
  .rules td { display: block; padding: 0; border: 0; }
  .rules td:nth-child(1) { grid-area: 1 / 1; }
  .rules td:nth-child(3) { grid-area: 1 / 2; }
  .rules td:nth-child(4) { grid-area: 1 / 3; text-align: right; }
  .rules td:nth-child(2) { grid-area: 2 / 2 / 3 / 4; font-family: var(--mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; white-space: normal; }
  .rules tbody tr + tr { border-top: 1px solid var(--line-soft); }
  /* long URLs should wrap rather than hide behind a sideways scroll */
  .cmd pre { white-space: pre-wrap; overflow-wrap: anywhere; }
}

@media (max-width: 420px) {
  .bands th:last-child, .bands td:last-child { display: none; }
  .bands th, .bands td { padding-inline: .35rem; }
  .verdict__score { flex-wrap: wrap; }
  .verdict__list em { white-space: normal; }
  .verdict__list li { flex-wrap: wrap; row-gap: .15rem; }
  .panel { padding-inline: 1rem; }
  .filter__count { margin-left: 0; width: 100%; }
}