/* The site of Burnout. The colours come from the logo and the wordmark: ember
   red through orange and amber to the pale yellow at the base of a flame, on
   a warm black. Code and the terminal stay dark in both themes. */

:root {
  --bg: #0c0706;
  --bg-alt: #110b09;
  --card: #17110e;
  --line: #2e231c;
  --text: #f6efe7;
  --muted: #bcad9e;
  --faint: #8f7f70;
  --link: #fbbf24;
  --accent: #f97316;
  --code-inline: #fcd34d;
  --code-inline-bg: rgba(249, 115, 22, 0.12);
  --term: #0a0605;
  --term-line: #2a1d16;
  --term-text: #d8cbbd;
  --warn-bg: rgba(220, 38, 38, 0.1);
  --warn-line: rgba(220, 38, 38, 0.45);
  --focus: #fbbf24;
  --flame: linear-gradient(90deg, #dc2626, #f97316 42%, #fbbf24 75%, #facc15);
  --glow: rgba(249, 115, 22, 0.16);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fffaf4;
    --bg-alt: #fdf1e3;
    --card: #ffffff;
    --line: #efd9c1;
    --text: #1f1510;
    --muted: #5c4a3d;
    --faint: #7a6555;
    --link: #b45309;
    --accent: #c2410c;
    --code-inline: #9a3412;
    --code-inline-bg: rgba(234, 88, 12, 0.1);
    --warn-bg: rgba(220, 38, 38, 0.07);
    --warn-line: rgba(185, 28, 28, 0.4);
    --focus: #c2410c;
    --glow: rgba(249, 115, 22, 0.14);
    --shadow: 0 16px 40px rgba(120, 53, 15, 0.14);
    color-scheme: light;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 var(--sans);
  overflow-x: hidden;
}

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

a {
  color: var(--link);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.6em;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--code-inline);
  background: var(--code-inline-bg);
  padding: 0.1em 0.35em;
  border-radius: 5px;
  overflow-wrap: anywhere;
}

pre {
  margin: 0 0 1em;
  padding: 14px 16px;
  background: var(--term);
  border: 1px solid var(--term-line);
  border-radius: 10px;
  overflow-x: auto;
  color: var(--term-text);
  font: 14px/1.55 var(--mono);
}

pre code {
  color: inherit;
  background: none;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
}

pre.out code {
  white-space: pre-wrap;
}

/* A command in a card or a step wraps, so the whole command stays in view.
   The terminal in the hero keeps its lines, because they are columns. */
.card pre,
.step pre {
  white-space: pre-wrap;
}

.card pre code,
.step pre code {
  overflow-wrap: anywhere;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: min(1120px, 100% - 32px);
  margin-inline: auto;
}

.narrow {
  width: min(760px, 100% - 32px);
}

/* The bar at the top. */

.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}

.bar-in {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand img {
  border-radius: 8px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 10px;
  border-radius: 8px;
}

.nav a:hover {
  color: var(--text);
  background: var(--code-inline-bg);
}

.nav .gh {
  color: var(--text);
  border: 1px solid var(--line);
  margin-left: 6px;
}

@media (max-width: 460px) {
  .nav .wide {
    display: none;
  }
}

/* The hero. */

.hero {
  position: relative;
  padding: 72px 0 84px;
  background:
    radial-gradient(60rem 28rem at 85% -12%, var(--glow), transparent 62%),
    radial-gradient(44rem 22rem at 5% -6%, rgba(220, 38, 38, 0.1), transparent 60%);
  border-bottom: 1px solid var(--line);
}

/* The lines of the terminal are as wide as the output of Burnout, so the
   terminal takes the full width under the text. */
.hero-in {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

.hero-copy {
  max-width: 780px;
}

.wordmark {
  display: block;
  width: min(420px, 100%);
  border-radius: 12px;
  box-shadow: 0 0 60px rgba(249, 115, 22, 0.18);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 850;
  letter-spacing: -0.025em;
}

.lede {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 34em;
}

.get {
  margin: 26px 0 22px;
}

.get-label {
  margin: 0 0 8px;
  color: var(--faint);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.cmd {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--term);
  border: 1px solid var(--term-line);
  border-radius: 10px;
  padding: 10px 10px 10px 14px;
  margin-bottom: 10px;
}

.cmd code {
  flex: 1;
  min-width: 0;
  color: var(--term-text);
  background: none;
  padding: 0;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.cmd code::before {
  content: "$ ";
  color: #f97316;
}

.copy {
  flex: none;
  font: 600 0.8rem var(--sans);
  color: #1a0f07;
  background: #fbbf24;
  border: 0;
  border-radius: 7px;
  padding: 7px 12px;
  cursor: pointer;
}

.copy:hover {
  background: #fcd34d;
}

.copy[data-done] {
  background: #86efac;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--card);
  font-weight: 700;
  text-decoration: none;
}

.btn:hover {
  border-color: var(--accent);
}

.btn.primary {
  color: #1a0f07;
  background: var(--flame);
  border: 0;
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.28);
}

.btn.primary:hover {
  filter: brightness(1.06);
}

.meta {
  margin-top: 16px;
  color: var(--faint);
  font-size: 0.92rem;
}

/* The terminal in the hero. */

.term {
  margin: 0;
  background: var(--term);
  border: 1px solid var(--term-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), 0 0 0 1px rgba(249, 115, 22, 0.06);
  overflow: hidden;
  min-width: 0;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--term-line);
  background: #120b08;
}

.term-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #dc2626;
}

.term-bar span:nth-child(2) {
  background: #f97316;
}

.term-bar span:nth-child(3) {
  background: #fbbf24;
}

.term-bar p {
  margin: 0 0 0 8px;
  color: #8f7f70;
  font: 12px var(--mono);
}

.term-body {
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 20px 22px 22px;
  font-size: 13.5px;
  line-height: 1.6;
}

.term-body .p {
  color: #f97316;
}

.term-body .c {
  color: #fff7ed;
  font-weight: 700;
}

.term-body .o {
  color: #bcae9f;
}

.term-body .h {
  color: #fb923c;
}

.term-body .w {
  color: #fca5a5;
}

.term-body .k {
  color: #fde047;
}

/* Sections. */

.section {
  padding: 84px 0;
}

.section.alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--line);
}

.sub {
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 28px;
}

.aside {
  color: var(--muted);
  margin-top: 28px;
  max-width: 60em;
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 0;
}

.card > :last-child {
  margin-bottom: 0;
}

.ticks,
.crosses,
.reasons {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ticks li,
.crosses li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
}

.ticks li::before,
.crosses li::before {
  position: absolute;
  left: 0;
  top: 0.18em;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  font: 700 12px/1 var(--mono);
}

.ticks li::before {
  content: "+";
  color: #1a0f07;
  background: var(--flame);
}

.crosses li::before {
  content: "x";
  color: #fecaca;
  background: #7f1d1d;
}

/* The modes. */

.flow {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  counter-reset: none;
}

.flow li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.flow p {
  margin: 0;
  font-size: 0.95rem;
}

.flow-step {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-right: 10px;
  border-radius: 8px;
  color: #1a0f07;
  background: var(--flame);
  font: 800 14px/1 var(--mono);
}

.flow .flow-step {
  margin-right: 0;
}

@media (max-width: 900px) {
  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .flow {
    grid-template-columns: 1fr;
  }
}

.mode .tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border-radius: 999px;
  font: 700 0.78rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #1a0f07;
  background: var(--flame);
}

.mode dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 18px;
  margin: 16px 0 0;
}

.mode dt {
  color: var(--faint);
  font-weight: 600;
}

.mode dd {
  margin: 0;
}

@media (max-width: 480px) {
  .mode dl {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .mode dd {
    margin-bottom: 10px;
  }
}

/* The layout of a Windows drive. */

.disk {
  background: var(--term);
  border: 1px solid var(--term-line);
  border-radius: var(--radius);
  padding: 14px;
  color: var(--term-text);
  margin-bottom: 28px;
}

.mbr {
  text-align: center;
  font: 700 0.9rem var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px;
  border: 1px dashed #5a3a26;
  border-radius: 10px;
  margin-bottom: 12px;
  color: #fdba74;
}

.parts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr);
  gap: 12px;
}

.part {
  border-radius: 10px;
  padding: 18px;
  border: 1px solid #3a2a20;
}

.part.p1 {
  background: linear-gradient(180deg, rgba(220, 38, 38, 0.16), rgba(220, 38, 38, 0.04));
}

.part.p2 {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.14), rgba(251, 191, 36, 0.03));
}

.part-name {
  margin: 0;
  font-weight: 800;
  color: #fff7ed;
}

.part-fs {
  margin: 0 0 10px;
  color: #fdba74;
  font: 600 0.9rem var(--mono);
}

.part ul {
  margin: 0 0 12px;
  padding-left: 18px;
}

.part code {
  color: #fde68a;
  background: rgba(0, 0, 0, 0.3);
}

.part-note {
  margin: 0;
  color: #a8998b;
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .parts {
    grid-template-columns: 1fr;
  }
}

.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 16px;
}

.reasons li {
  padding: 18px;
  border-left: 3px solid var(--accent);
  background: var(--card);
  border-radius: 0 12px 12px 0;
}

/* Downloads. */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 16px;
}

.downloads {
  width: 100%;
  border-collapse: collapse;
}

.downloads th,
.downloads td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.downloads thead th {
  color: var(--faint);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.downloads tbody tr:last-child td {
  border-bottom: 0;
}

.downloads tr.yours {
  background: var(--code-inline-bg);
}

.downloads .you {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #1a0f07;
  background: #fbbf24;
  vertical-align: 1px;
}

.sys-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}

.proc {
  color: var(--muted);
}

.fname {
  margin-top: 2px;
  color: var(--faint);
  font: 0.8rem var(--mono);
  overflow-wrap: anywhere;
}

.downloads td.size {
  white-space: nowrap;
  color: var(--muted);
}

.downloads td.get {
  text-align: right;
}

.btn.small {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.9rem;
}

/* On a small screen, each binary is a card. */
@media (max-width: 720px) {
  .downloads thead {
    display: none;
  }

  .downloads,
  .downloads tbody,
  .downloads tr,
  .downloads td {
    display: block;
  }

  .downloads tr {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "sys sys"
      "size get"
      "sha sha";
    gap: 8px 12px;
    padding: 16px;
    border-bottom: 1px solid var(--line);
  }

  .downloads tbody tr:last-child {
    border-bottom: 0;
  }

  .downloads td {
    padding: 0;
    border: 0;
  }

  .downloads td.sys {
    grid-area: sys;
  }

  .downloads td.size {
    grid-area: size;
    align-self: center;
  }

  .downloads td.get {
    grid-area: get;
  }

  .downloads td.sha {
    grid-area: sha;
  }

  .downloads .note-cell {
    padding: 16px;
  }
}

.hash {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.hash code {
  font-size: 0.82rem;
}

.hash .copy {
  padding: 5px 9px;
  font-size: 0.72rem;
}

.note-cell {
  color: var(--muted);
}

.fallback {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
}

.checks {
  margin-top: 28px;
}

/* Use. */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.step {
  min-width: 0;
}

.step h3 {
  display: flex;
  align-items: center;
}

/* Safety. */

.warning {
  border: 1px solid var(--warn-line);
  background: var(--warn-bg);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}

.warning p {
  margin: 0;
}

/* Questions. */

details {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  margin-bottom: 12px;
}

summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 48px 16px 18px;
  font-weight: 700;
  position: relative;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font: 700 1.2rem var(--mono);
  color: var(--accent);
}

details[open] summary::after {
  content: "-";
}

details p {
  padding: 0 18px 16px;
  margin: 0;
  color: var(--muted);
}

/* The foot. */

.foot {
  border-top: 1px solid var(--line);
  padding: 36px 0 44px;
  background: var(--bg-alt);
}

.foot-in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.foot nav a {
  color: var(--muted);
  text-decoration: none;
}

.foot nav a:hover {
  color: var(--text);
}

.fine {
  width: 100%;
  margin: 0;
  color: var(--faint);
  font-size: 0.88rem;
}

/* Small screens. */

@media (max-width: 900px) {
  .hero {
    padding: 48px 0 60px;
  }
}

@media (max-width: 720px) {
  .term-body {
    font-size: 11.5px;
    padding: 16px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .card {
    padding: 18px;
  }

  .term-body {
    font-size: 10.5px;
  }
}

/* The page for a missing path. */

.gap-top {
  margin-top: 32px;
}