:root {
  --ink: #1d2730;
  --hull: #56616b;
  --fog: #e8ebee;
  --paper: #f6f7f8;
  --rule: #c9cfd5;
  --red: #d8443a;
  --red-ink: #b3322a;
  /* Behind white text: 5.4:1, where --red is only 4.4:1. */
  --red-fill: #c0392f;
  --red-fill-hover: #a83026;
  --blue: #2563b8;
  --on-accent: #fff;
  /* Container faces in the hero yard and diagram, the same in both themes.
     Each keeps its label at 4.5:1 or better. */
  --box-red: #c0392f;
  --box-steel: #4a535c;
  --box-light: #c3c9cf;
  --box-light-ink: #1d2730;
  --box-blue: #2a6fc9;
  --term-chrome: #3a444d;
  --term-bg: #1a2128;
  --term-ink: #dfe5ea;
  --term-dim: #8a96a1;
  --ok: #6fcf8a;
  --ground: #1d2730;

  --sans: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e3e8ec;
    --hull: #9aa5af;
    --fog: #161c22;
    --paper: #1e252c;
    --rule: #34404a;
    --red: #e65a4f;
    --red-ink: #ff8a80;
    --blue: #5b98e6;
    --term-bg: #0f1418;
    --ground: #3a444d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #e3e8ec;
  --hull: #9aa5af;
  --fog: #161c22;
  --paper: #1e252c;
  --rule: #34404a;
  --red: #e65a4f;
  --red-ink: #ff8a80;
  --blue: #5b98e6;
  --term-bg: #0f1418;
  --ground: #3a444d;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--fog);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--blue); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 2px; }

code, pre { font-family: var(--mono); font-size: 0.9em; }
:not(pre) > code {
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  padding: 0.08em 0.3em;
  border-radius: 3px;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--paper); padding: 0.5rem 0.75rem; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* Header */

.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--fog) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.75rem; }
.brand {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--ink); text-decoration: none;
  font-weight: 700; font-variation-settings: "wdth" 115;
  letter-spacing: -0.01em;
}
.top nav { display: flex; gap: clamp(0.75rem, 2.5vw, 1.75rem); font-size: 0.95rem; }
.top nav a { color: var(--hull); text-decoration: none; }
.top nav a:hover { color: var(--ink); }
.top nav .nav-gh { color: var(--ink); font-weight: 600; white-space: nowrap; }
.gh-stars { color: var(--hull); font-weight: 500; font-variant-numeric: tabular-nums; }
.top-inner nav { margin-left: auto; }

/* Shows the theme a click switches to: a moon in light mode, a sun in dark. */
.theme-toggle {
  display: grid; place-items: center;
  width: 2.25rem; height: 2.25rem; flex: none;
  color: var(--ink); background: transparent;
  border: 1px solid var(--rule); border-radius: 50%;
  cursor: pointer;
}
.theme-toggle:hover { background: var(--paper); }
.theme-toggle .i-sun, .theme-toggle[data-current="dark"] .i-moon { display: none; }
.theme-toggle[data-current="dark"] .i-sun { display: block; }
html:not(.js) .theme-toggle { display: none; }
@media (max-width: 40rem) {
  .top nav a:not(.nav-gh):not([href="#install"]) { display: none; }
  .brand span { display: none; }
}

/* Hero */

.hero { padding-top: clamp(3rem, 8vw, 6rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 56rem) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }

h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; }

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  font-variation-settings: "wdth" 120;
  line-height: 0.98;
  letter-spacing: -0.035em;
}
h1 code { font-size: 0.82em; background: none; padding: 0; letter-spacing: -0.04em; color: var(--red-ink); }

.lede { font-size: clamp(1.1rem, 1.6vw, 1.25rem); color: var(--hull); max-width: 36rem; margin: 1.5rem 0 2rem; }

.cmd {
  display: flex; align-items: center; gap: 0.5rem;
  container-type: inline-size;
  background: var(--term-bg); color: var(--term-ink);
  border-radius: 8px;
  padding: 0.55rem 0.55rem 0.55rem 1rem;
}
/* Wraps only at spaces and the <wbr> after "tap/", never mid-word. */
/* Sized to fit the 57-character command on one line in whatever width the box
   has (a monospace glyph is 0.6em, so the line is 34.2em; 6.5rem covers the
   padding, gap, and button). Only very narrow boxes fall back to wrapping. */
.cmd code {
  flex: 1; min-width: 0; background: none; padding: 0; line-height: 1.5;
  font-size: clamp(0.72rem, calc((100cqi - 6.5rem) / 34.2), 0.9rem);
}
.nowrap { white-space: nowrap; }
.cmd .copy { flex: none; align-self: center; }
.prompt { color: var(--term-dim); user-select: none; }

.copy {
  font: 600 0.8rem var(--sans);
  background: var(--red-fill); color: var(--on-accent);
  border: 0; border-radius: 5px;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}
.copy:hover { background: var(--red-fill-hover); }

.cta-links { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1rem 0 0; font-weight: 600; }
.fine { color: var(--hull); font-size: 0.9rem; margin: 1.5rem 0 0; }

/* Terminal */

.term {
  margin: 0;
  background: var(--term-bg);
  color: var(--term-ink);
  border-radius: 10px;
  box-shadow: 0 1px 0 rgb(255 255 255 / 0.06) inset, 0 24px 48px -24px rgb(16 24 32 / 0.55);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid rgb(255 255 255 / 0.07);
  font: 0.78rem var(--mono); color: var(--term-dim);
}
.term-bar i { width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--term-chrome); }
.term-bar span { margin-left: auto; }
.term-body {
  margin: 0; padding: 1.1rem 1.2rem 1.3rem;
  font-size: clamp(0.74rem, 1.4vw, 0.86rem); line-height: 1.7;
  overflow-x: auto;
}
.term-body em { font-style: normal; color: var(--term-dim); }
.term-body .dim { color: var(--term-dim); }
.term-body .ok { color: var(--ok); font-weight: 500; }

/* The container yard: the hero's one bold element */

.yard { margin-top: clamp(3rem, 7vw, 5rem); }
.yard-row {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr 1.1fr 1fr;
  gap: 6px;
  align-items: end;
}
.box {
  --face: var(--red);
  position: relative;
  height: clamp(5.5rem, 12vw, 9rem);
  border-radius: 4px 4px 0 0;
  background:
    linear-gradient(to bottom, rgb(0 0 0 / 0.18) 0 6px, transparent 6px calc(100% - 6px), rgb(0 0 0 / 0.22) calc(100% - 6px)),
    repeating-linear-gradient(90deg,
      rgb(255 255 255 / 0.16) 0 3px,
      transparent 3px 9px,
      rgb(0 0 0 / 0.14) 9px 12px,
      transparent 12px 16px),
    var(--face);
  color: var(--on-accent);
  padding: 0.9rem 1rem;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.box span {
  font-weight: 800; font-variation-settings: "wdth" 125;
  font-size: clamp(1.1rem, 2.6vw, 1.9rem); line-height: 1;
  letter-spacing: -0.02em;
}
.box small { font: 0.75rem var(--mono); opacity: 0.85; margin-top: 0.35rem; }
.box:nth-child(2) { height: clamp(4.5rem, 10vw, 7.5rem); }
.box:nth-child(4) { height: clamp(5rem, 11vw, 8.25rem); }
.c-red { --face: var(--box-red); background-color: var(--box-red); }
.c-steel { --face: var(--box-steel); background-color: var(--box-steel); }
.c-light { --face: var(--box-light); background-color: var(--box-light); }
.c-blue { --face: var(--box-blue); background-color: var(--box-blue); }
.box.c-light { color: var(--box-light-ink); }
.yard::after {
  content: ""; display: block; height: 10px;
  background: var(--ground);
}
@media (max-width: 40rem) {
  .yard-row { grid-template-columns: 1fr 1fr; }
  .box, .box:nth-child(2), .box:nth-child(4) { height: 4.75rem; }
}

/* Load sequence: each terminal line prints, its container lands */

.js .ln { opacity: 0; }
.js .box { transform: translateY(-130%); opacity: 0; }
.js.play .ln { animation: print 0.01s linear forwards; animation-delay: calc(var(--i) * 260ms + 200ms); }
.js.play .box {
  animation: land 520ms cubic-bezier(0.3, 1.3, 0.5, 1) forwards;
  animation-delay: calc(var(--i) * 260ms + 260ms);
}
@keyframes print { to { opacity: 1; } }
@keyframes land { to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .ln, .js .box { opacity: 1; transform: none; animation: none !important; }
}

/* Sections */

.section { padding: clamp(4rem, 9vw, 7rem) 0; }
h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  font-variation-settings: "wdth" 112;
  max-width: 22ch;
}
h3 { font-size: 1.2rem; font-weight: 700; font-variation-settings: "wdth" 105; letter-spacing: -0.01em; }
.intro { color: var(--hull); max-width: 40rem; font-size: 1.125rem; margin: 1.1rem 0 0; }

.corrugate {
  height: 22px;
  background:
    repeating-linear-gradient(90deg,
      color-mix(in srgb, var(--ink) 16%, transparent) 0 2px,
      transparent 2px 7px,
      color-mix(in srgb, var(--ink) 7%, transparent) 7px 10px,
      transparent 10px 14px),
    var(--paper);
  border-block: 1px solid var(--rule);
}

/* Features */

.leads {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 3rem;
  border-top: 4px solid var(--ink);
}
.lead { padding: 1.5rem 1.5rem 0 0; display: flex; flex-direction: column; }
.lead + .lead { padding-left: 1.5rem; border-left: 1px solid var(--rule); }
.lead p { color: var(--hull); margin: 0.6rem 0 1.25rem; }
.lead pre {
  margin: auto 0 0;
  background: var(--term-bg); color: var(--term-ink);
  padding: 0.9rem 1rem; border-radius: 6px;
  font-size: 0.8rem; line-height: 1.6;
  white-space: pre-wrap;
}
@media (max-width: 56rem) {
  .leads { grid-template-columns: minmax(0, 1fr); }
  .lead, .lead + .lead { padding: 1.5rem 0; border-left: 0; }
  .lead + .lead { border-top: 1px solid var(--rule); }
}

.more {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem 2.5rem;
  margin: 4rem 0 0;
}
.more dt { font-weight: 700; margin-bottom: 0.35rem; }
.more dd { margin: 0; color: var(--hull); font-size: 0.98rem; }
.more div { border-top: 1px solid var(--rule); padding-top: 1rem; }
@media (max-width: 56rem) { .more { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 40rem) { .more { grid-template-columns: minmax(0, 1fr); } }

/* How it works */

#how { background: var(--paper); }
.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 56rem) { .how-grid { grid-template-columns: minmax(0, 1fr); } }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 2.25rem 0 0; }
.steps li {
  counter-increment: s;
  position: relative;
  padding: 0 0 1.1rem 2.75rem;
  color: var(--ink);
}
.steps li::before {
  content: counter(s);
  position: absolute; left: 0; top: -0.05rem;
  width: 1.8rem; height: 1.8rem;
  display: grid; place-items: center;
  font-weight: 800; font-size: 0.9rem;
  border: 2px solid var(--ink); border-radius: 50%;
}
.steps li:not(:last-child)::after {
  content: ""; position: absolute; left: 0.85rem; top: 1.9rem; bottom: 0.15rem;
  width: 2px; background: var(--rule);
}

.diagram { margin: 0; position: sticky; top: 6rem; }
.d-host {
  border: 2px solid var(--ink); border-radius: 12px;
  padding: 1.25rem;
  background: var(--fog);
}
.d-title { margin: 0 0 0.85rem; font-weight: 700; font-variation-settings: "wdth" 110; }
.d-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.6rem; }
.d-chip {
  border: 1px solid var(--rule); border-radius: 6px;
  background: var(--paper);
  padding: 0.6rem 0.7rem; font-size: 0.85rem; line-height: 1.35;
}
.d-chip code { font-size: 0.72rem; background: none; padding: 0; color: var(--hull); word-break: break-word; }
.d-chip.solid { background: var(--term-bg); color: var(--term-ink); border-color: transparent; font-weight: 600; text-align: center; }
.d-link {
  position: relative; text-align: center;
  padding: 1.6rem 0; font-size: 0.82rem; color: var(--hull);
}
.d-link::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: repeating-linear-gradient(to bottom, var(--ink) 0 5px, transparent 5px 9px);
}
.d-link span { position: relative; background: var(--fog); padding: 0.15rem 0.5rem; }
.d-link code { font-size: 0.78rem; }
.d-vm {
  border-radius: 8px; padding: 1.1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 6px solid var(--red);
}
.d-boxes { display: grid; grid-template-columns: 1.3fr 0.9fr 1.1fr 1fr; gap: 4px; margin-top: 0.9rem; align-items: end; }
.d-boxes i {
  height: 1.6rem; border-radius: 2px;
  background-image: repeating-linear-gradient(90deg, rgb(255 255 255 / 0.18) 0 2px, transparent 2px 6px);
}
.d-boxes i:nth-child(2) { height: 1.25rem; }
.d-note { margin: 0.8rem 0 0; font-size: 0.82rem; color: var(--hull); }
@media (max-width: 40rem) { .d-row { grid-template-columns: minmax(0, 1fr); } .diagram { position: static; } }

/* Compare */

.table-scroll { margin-top: 2.75rem; overflow-x: auto; }
table { width: 100%; min-width: 40rem; border-collapse: collapse; font-size: 0.97rem; }
th, td { text-align: left; padding: 0.85rem 1rem; vertical-align: top; border-bottom: 1px solid var(--rule); }
thead th {
  font-weight: 700; font-variation-settings: "wdth" 108;
  font-size: 1rem; border-bottom: 3px solid var(--ink);
  vertical-align: bottom;
}
tbody th { font-weight: 600; color: var(--hull); width: 22%; }
td { color: var(--ink); }
/* The highlighted column is a card framed in the header's red. Inset
   shadows draw the frame because collapsed borders would merge with the
   neighbouring cells' borders. */
.us {
  background: var(--paper);
  box-shadow: inset 2px 0 var(--red-fill), inset -2px 0 var(--red-fill);
}
thead .us { background: var(--red-fill); color: var(--on-accent); border-bottom-color: var(--red-fill); }
tbody tr:last-child .us {
  box-shadow: inset 2px 0 var(--red-fill), inset -2px 0 var(--red-fill), inset 0 -2px var(--red-fill);
}

.fit {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
  margin-top: 3.5rem;
}
.fit ul { margin: 0.9rem 0 0; padding-left: 1.15rem; color: var(--hull); }
.fit li { margin-bottom: 0.45rem; }
.fit li::marker { color: var(--red); }
.fit > div:last-child li::marker { color: var(--hull); }
@media (max-width: 40rem) { .fit { grid-template-columns: minmax(0, 1fr); } }

/* Install */

.tabs { margin-top: 2.5rem; }
/* Without the script every panel shows, each under its own heading. */
html:not(.js) .tablist { display: none; }
.js .panel .no-js { display: none; }
.panel .no-js { margin: 1rem 0 0.75rem; }
.tablist { display: flex; flex-wrap: wrap; gap: 0.35rem; border-bottom: 2px solid var(--ink); }
.tablist button {
  font: 600 0.95rem var(--sans);
  background: transparent; color: var(--hull);
  border: 0; border-radius: 6px 6px 0 0;
  padding: 0.65rem 1rem; cursor: pointer;
}
.tablist button:hover { color: var(--ink); }
.tablist button[aria-selected="true"] { background: var(--ink); color: var(--fog); }
.panel { padding: 1.5rem 0 0; }
/* Prose keeps a readable measure; code blocks take the full width. */
.panel > p, .first-run > p, .limits { max-width: 52rem; }
.panel > p { margin: 0 0 1rem; color: var(--hull); }
.panel > pre + p { margin-top: 1rem; }

.block {
  position: relative;
  margin: 0;
  background: var(--term-bg); color: var(--term-ink);
  border-radius: 8px;
  padding: 1.1rem 5rem 1.1rem 1.2rem;
  font-size: 0.85rem; line-height: 1.65;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.block .copy { position: absolute; top: 0.6rem; right: 0.6rem; }

.first-run { margin-top: 3.5rem; }
.first-run h3 { margin-bottom: 1rem; }
.first-run p { color: var(--hull); margin: 1rem 0 0; }

.limits { margin-top: 2.5rem; border-top: 1px solid var(--rule); padding-top: 1.25rem; }
.limits summary { font-weight: 700; cursor: pointer; }
.limits ul { color: var(--hull); padding-left: 1.15rem; margin: 1rem 0 0; }
.limits li { margin-bottom: 0.4rem; }

/* Dashboards */

#dashboards { background: var(--paper); }
#dashboards .tablist button[aria-selected="true"] { color: var(--paper); }
.callout {
  margin: 2.5rem 0 0; max-width: 52rem;
  padding: 1.1rem 1.25rem;
  background: var(--fog);
  border: 1px solid var(--rule);
  border-left: 6px solid var(--red);
  border-radius: 6px;
}
.callout p { margin: 0; color: var(--hull); }
.callout .callout-title { color: var(--ink); font-weight: 700; margin-bottom: 0.35rem; }

/* Footer */

.foot { background: var(--paper); border-top: 1px solid var(--rule); padding: 2.5rem 0 3rem; }
.foot-inner { display: flex; gap: 1.5rem; align-items: center; }
.foot p { margin: 0; }
.foot p:first-child { display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; font-weight: 600; }
.foot .fine { margin-top: 0.6rem; }
.foot .made { margin-top: 0.25rem; }
.foot .made a { color: inherit; }