/* Brand palette, taken from the scrubber in the desktop app's design. */
:root {
  --bg: #0e1013;
  --panel: #15181d;
  --panel-2: #121418;
  --raised: #171a1f;
  --line: #262a31;
  --line-2: #2f343c;
  --text: #ebe7df;
  --soft: #c9c5bd;
  --muted: #a19d95;
  --faint: #5f6571;
  /* The playhead and anything you can act on. */
  --amber: #f2a541;
  --amber-hi: #ffc978;
  --amber-ink: #1a1206;
  /* The first step where two runs differ. */
  --blue: #7fb2ff;
  --blue-soft: #a9cbff;
  /* The failure. */
  --red: #ff7a6b;
  --red-soft: #ff9a8e;
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", system-ui, "Helvetica Neue", Arial, sans-serif;
  /* Only for the "Try me" note on the scrubber. */
  --hand: "Caveat", "Comic Sans MS", cursive;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

/* No programming ligatures: transcripts and code show "->" and "--" as typed. */
code,
pre,
.demo {
  font-variant-ligatures: none;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 var(--body);
}

a {
  color: var(--amber);
}
a:hover {
  color: var(--amber-hi);
}

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

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--text);
  background: #1d2127;
  padding: 1px 5px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.7rem);
  letter-spacing: -0.035em;
  line-height: 1;
}
h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
}
h3 {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: 20px;
}

section {
  padding-block: 72px;
}

/* Visible to screen readers only. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Header */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font: 700 1.35rem var(--display);
  letter-spacing: -0.02em;
}
.brand:hover {
  color: var(--text);
}
/* The mark: two chevrons pointing back, drawn in the accent. */
.brand svg,
.demo-brand svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--amber);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links a:not(.btn) {
  color: var(--soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav-links a:not(.btn):hover {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 8px;
}
.btn:hover {
  background: var(--amber-hi);
  color: var(--amber-ink);
}
.btn:focus-visible,
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.btn.small {
  padding: 8px 14px;
  font-size: 0.9rem;
}
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid #3a3f48;
}
.btn.ghost:hover {
  border-color: var(--amber);
  color: var(--text);
}

/* Hero: the copy on the left, the scrubber on the right. */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.25fr);
  gap: 48px;
  align-items: start;
  padding-top: 40px;
}
.hero-copy {
  padding-top: 24px;
}
.eyebrow {
  color: var(--amber);
  font: 500 0.85rem var(--mono);
  letter-spacing: 0.04em;
  margin: 0 0 14px;
}
.lede {
  color: var(--soft);
  font-size: 1.15rem;
  max-width: 36em;
}
.cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.soon {
  font: 0.85rem var(--mono);
  color: var(--muted);
  border: 1px solid #2c3139;
  border-radius: 999px;
  padding: 4px 10px;
}
.fine {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 22px;
  max-width: 34em;
}
.hero-demo {
  margin: 0;
}
/* "Try me" above the scrubber: a handwritten note with an arrow down into
   the demo. It takes its own row so it never covers a control, and keeps
   that row after it fades so the demo does not jump. */
.try-me {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin: 0 0 -6px 28px;
  color: var(--amber);
  font: 600 1.45rem/1 var(--hand);
  transition: opacity 0.5s ease;
}
.try-me span {
  padding-bottom: 14px;
}
.try-me svg {
  width: 56px;
  height: 40px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--amber);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: nudge 1.8s ease-in-out infinite;
}
.try-me.gone {
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.5s ease,
    visibility 0s linear 0.5s;
}
@keyframes nudge {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(2px, 4px);
  }
}
.demo-caption {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 12px;
}

/* The scrubber demo. Everything inside is sized for a panel of about 700px
   and falls back to one column on a phone. */
.demo {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  font-size: 14px;
}
.demo button {
  font-family: inherit;
  cursor: pointer;
}
.demo svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.demo-bar {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: #101216;
  font: 12px var(--mono);
}
.demo-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 700 15px var(--display);
}
.demo-brand svg {
  width: 16px;
  height: 16px;
}
.demo-path {
  color: var(--muted);
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.badge {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid;
  white-space: nowrap;
}
.badge.fail {
  background: #2a1a18;
  color: var(--red-soft);
  border-color: #4a2723;
}
.badge.pass {
  background: #16202e;
  color: var(--blue-soft);
  border-color: #25364d;
}
.badge.example {
  margin-left: auto;
  color: var(--amber);
  border-color: #5a4520;
  background: #221a0e;
}

/* Timeline: phase segments with the markers and playhead laid over them. */
.timeline {
  padding: 22px 16px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.track {
  position: relative;
  height: 36px;
  cursor: pointer;
  touch-action: none;
}
.segments {
  display: flex;
  gap: 2px;
  height: 100%;
  font: 11px var(--mono);
}
.segments div {
  border-radius: 3px;
  display: flex;
  align-items: center;
  padding-left: 7px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: clip;
  color: var(--soft);
}
.segments div.active {
  background: #5a4520 !important;
  color: #f2d3a0;
}
.flag,
.playhead {
  position: absolute;
  top: -6px;
  bottom: -6px;
  width: 2px;
  pointer-events: none;
}
.flag.divergence {
  background: var(--blue);
}
.flag.failure {
  width: 3px;
  background: var(--red);
}
.flag.fork {
  width: 2px;
  background: repeating-linear-gradient(
    var(--amber) 0 4px,
    transparent 4px 7px
  );
}
.playhead {
  top: -10px;
  bottom: -10px;
  width: 3px;
  margin-left: -1px;
  background: var(--amber);
  border-radius: 2px;
  box-shadow: 0 0 0 3px rgba(242, 165, 65, 0.18);
  transition: left 90ms linear;
}
#scrub {
  width: 100%;
  margin: 8px 0 0;
  accent-color: var(--amber);
}

.controls,
.readout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.readout {
  gap: 8px 20px;
  font: 12.5px var(--mono);
}
.readout b {
  color: var(--amber);
  font-weight: 600;
}
.dim {
  color: var(--muted);
}
.ctl {
  height: 34px;
  padding: 0 11px;
  border-radius: 7px;
  border: 1px solid var(--line-2);
  background: var(--raised);
  color: var(--text);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ctl:hover {
  border-color: #464c57;
}
.ctl svg {
  width: 14px;
  height: 14px;
}
.ctl.blue {
  border-color: #25364d;
  background: #131b26;
  color: var(--blue-soft);
}
.ctl.red {
  border-color: #4a2723;
  background: #1f1513;
  color: var(--red-soft);
}
.fork-btn {
  margin-left: auto;
  height: 34px;
  padding: 0 14px;
  border-radius: 7px;
  border: 0;
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
/* Outranks `.demo button`, which would otherwise hand the readout's mono down. */
.demo .fork-btn {
  font-family: var(--body);
}
.fork-btn:hover {
  background: var(--amber-hi);
}
.fork-btn svg {
  width: 14px;
  height: 14px;
}

/* Panels: the log across the top, then processes and files beside the
   step's detail. One pixel gaps over the line color draw the rules. */
.panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
}
.panel {
  background: var(--panel-2);
  min-width: 0;
}
.panel-log {
  grid-column: 1 / -1;
}
.panel-head {
  margin: 0;
  padding: 9px 16px;
  font: 500 11px var(--body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid #1f2329;
}
.panel-procs .panel-head + .rows + .panel-head {
  border-top: 1px solid #1f2329;
}
.rows {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  font: 12px/1.8 var(--mono);
}
.rows li {
  display: flex;
  gap: 12px;
  padding: 0 16px;
  white-space: nowrap;
}
.rows .n {
  color: var(--faint);
  min-width: 46px;
  text-align: right;
  flex-shrink: 0;
}
.rows .t {
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--soft);
}
/* The log holds its last lines against the bottom, like a terminal. */
.log {
  height: calc(9 * 1.8 * 12px + 16px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.log li.now {
  background: #1c2026;
}
.procs {
  min-height: calc(6 * 1.8 * 12px + 16px);
}
.procs .n {
  color: var(--blue);
  min-width: 30px;
  text-align: left;
}
.procs .t {
  color: var(--text);
}
.files {
  min-height: calc(5 * 1.8 * 12px + 16px);
}
.t.phase {
  color: var(--amber);
}
.t.err {
  color: var(--red);
}
.t.recent {
  color: var(--amber);
}
.t.thread {
  color: var(--muted);
}

.step-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card-ev,
.card-diff,
.card-note {
  border-radius: 9px;
  padding: 11px 13px;
  font-size: 13px;
  line-height: 1.5;
}
.card-ev {
  background: var(--raised);
  border: 1px solid var(--line);
}
.ev-meta {
  font: 11px var(--mono);
  color: var(--muted);
  margin-bottom: 4px;
}
.ev-text {
  font: 12.5px/1.5 var(--mono);
  overflow-wrap: anywhere;
}
.ev-text.err {
  color: var(--red);
}
.ev-text.div {
  color: var(--blue-soft);
}
.card-diff {
  background: #131b26;
  border: 1px solid #25364d;
  color: var(--soft);
}
.card-diff strong {
  display: block;
  color: var(--blue-soft);
  font-weight: 600;
}
.card-note {
  background: #1a160f;
  border: 1px solid #3a2e19;
  color: var(--soft);
}
.card-note strong {
  color: #f2d3a0;
  font-weight: 600;
}
.inspect {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
.inspect .ctl {
  justify-content: center;
}

/* How it works */
.steps {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.steps li::before {
  content: counter(step);
  display: block;
  font: 2.2rem var(--mono);
  color: #4d5463;
  margin-bottom: 10px;
}
.steps p {
  color: var(--soft);
  margin: 0;
  font-size: 0.97rem;
}

/* Features */
.features {
  background: var(--panel-2);
  border-block: 1px solid var(--line);
  padding-inline: 20px;
}
.features > * {
  max-width: 1200px;
  margin-inline: auto;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.card p {
  color: var(--soft);
  margin: 0;
  font-size: 0.97rem;
}
.card.marker {
  border-color: #5a4520;
}
.card.marker h3 {
  color: var(--amber);
}
.card.marker-blue {
  border-color: #25364d;
}
.card.marker-blue h3 {
  color: var(--blue);
}
.card.marker-red {
  border-color: #4a2723;
}
.card.marker-red h3 {
  color: var(--red);
}

/* Workloads: any root filesystem on the left, Nix on the right. */
.lanes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 28px;
}
.lane {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px;
  min-width: 0;
}
.lane.nix {
  border-color: #5a4520;
  background:
    linear-gradient(180deg, rgba(242, 165, 65, 0.07), transparent 60%),
    var(--panel);
}
.lane h3 {
  font-size: 1.5rem;
}
.lane-lede {
  color: var(--soft);
}
.term {
  margin: 18px 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font: 13.5px/1.7 var(--mono);
}
.term code {
  background: none;
  padding: 0;
  font-size: inherit;
}
.prompt {
  color: var(--muted);
  user-select: none;
}
.term .comment {
  color: var(--muted);
}
.rows-def {
  margin: 22px 0 0;
}
.rows-def div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding-block: 14px;
  border-top: 1px solid var(--line);
}
.rows-def dt {
  font: 13.5px/1.6 var(--mono);
  color: var(--blue);
  padding-top: 1px;
}
.rows-def dd {
  margin: 0;
  color: var(--soft);
  font-size: 0.97rem;
}

/* Download */
.download .term {
  max-width: 100%;
}
.download h3 {
  margin-top: 36px;
}
.download > p {
  color: var(--soft);
  max-width: 46em;
}
.download .note {
  color: var(--muted);
}

/* Pricing */
.note {
  color: var(--muted);
}
.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.plan {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.plan.pro {
  border-color: var(--amber);
  background: linear-gradient(180deg, rgba(242, 165, 65, 0.08), transparent);
}
.price {
  font: 700 2.4rem var(--display);
  letter-spacing: -0.02em;
  margin: 0;
}
.price span {
  font: 500 1rem var(--body);
  letter-spacing: 0;
  color: var(--muted);
}
.alt {
  color: var(--soft);
  margin: 4px 0 0;
}
.plan ul {
  padding-left: 1.1em;
  margin: 18px 0 24px;
}
.plan li {
  margin: 6px 0;
}
/* Buttons sit at the bottom of each plan so they line up across plans. */
.plan .btn {
  margin-top: auto;
  text-align: center;
}
.pricing .note {
  margin-top: 22px;
  scroll-margin-top: 24px;
}
.pricing .note + .note {
  margin-top: 6px;
}

/* Caution */
.caution {
  border-left: 3px solid var(--amber);
  padding-block: 8px;
  margin-block: 16px 72px;
}
.caution ul {
  margin: 0;
  padding-left: 1.2em;
}
.caution li {
  color: var(--soft);
  max-width: 46em;
  margin-block: 6px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 28px 48px;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer p {
  margin: 6px 0;
}

/* Privacy page */
.prose {
  max-width: 720px;
  padding-block: 24px 64px;
}
.prose p,
.prose li {
  color: var(--soft);
}
.prose h2 {
  margin-top: 1.6em;
  font-size: 1.35rem;
}

/* A screenshot of the real app: a framed image with its caption below. */
/* Only the top margin: the features band centres its children, and the
   tutorials widen the figure with their own side margins. */
.shot {
  margin-top: 28px;
  margin-bottom: 0;
}
.shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.shot figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 10px;
}

/* The app tour: the real screenshot at about two thirds of the content
   width with the numbered cards beside it, stacking under it on narrow
   screens. */
.tour {
  display: grid;
  grid-template-columns: minmax(0, 800px) minmax(260px, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: 28px;
}
.tour-shot {
  margin: 0;
}
/* The frame: a hairline border and an amber glow behind it, so the dark
   screenshot separates from the dark page. */
.tour-frame {
  position: relative;
  border-radius: 12px;
  box-shadow:
    0 0 0 1px var(--line),
    0 20px 80px -20px rgba(242, 165, 65, 0.35);
}
.tour-link {
  display: block;
  border-radius: 12px;
  overflow: hidden;
}
.tour-link img {
  width: 100%;
  height: auto;
}
.tour-shot figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 12px;
}

/* Numbered pins over the screenshot. The positions were measured on the
   1440x900 image and are percentages of it, so they hold at any size. */
.pin {
  position: absolute;
  width: 26px;
  height: 26px;
  margin: -13px 0 0 -13px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--amber-ink);
  font: 700 13px/26px var(--mono);
  text-align: center;
  text-decoration: none;
  box-shadow:
    0 0 0 4px rgba(242, 165, 65, 0.28),
    0 2px 10px rgba(0, 0, 0, 0.6);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}
.pin:hover {
  color: var(--amber-ink);
}
/* The timeline, on the build segment. */
.pin-1 {
  left: 69.4%;
  top: 11.1%;
}
/* The build log, in the space right of the log lines. */
.pin-2 {
  left: 29.9%;
  top: 55.6%;
}
/* On the line between the process tree and the files; the card covers both. */
.pin-3 {
  left: 64.6%;
  top: 61.3%;
}
/* The "At this step" panel, between the SIGSEGV and the divergence card. */
.pin-4 {
  left: 95.5%;
  top: 42%;
}
/* The "Fork from here" button, just under it so the label stays readable. */
.pin-5 {
  left: 93.3%;
  top: 23%;
}

.tour-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: pin;
}
.tour-card {
  counter-increment: pin;
  position: relative;
  padding: 14px 16px 14px 54px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.15s ease;
}
/* The card's number, drawn like its pin. */
.tour-card::before {
  content: counter(pin);
  position: absolute;
  left: 16px;
  top: 15px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--amber-ink);
  font: 700 12px/24px var(--mono);
  text-align: center;
  box-shadow: 0 0 0 3px rgba(242, 165, 65, 0.22);
}
.tour-card h3 {
  font-size: 1.02rem;
  margin: 2px 0 4px;
}
.tour-card p {
  margin: 0;
  color: var(--soft);
  font-size: 0.93rem;
  line-height: 1.5;
}
.tour-card:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.tour-planned {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.93rem;
}
.tour-planned .tag {
  display: inline-block;
  margin: 0 6px 0 0;
}

/* A card and its pin light up together: hover or focus either one, or
   arrive at the card from its pin's link. */
.tour:has(#tour-1:is(:hover, :focus-visible)) .pin-1,
.tour:has(#tour-2:is(:hover, :focus-visible)) .pin-2,
.tour:has(#tour-3:is(:hover, :focus-visible)) .pin-3,
.tour:has(#tour-4:is(:hover, :focus-visible)) .pin-4,
.tour:has(#tour-5:is(:hover, :focus-visible)) .pin-5,
.pin:hover,
.pin:focus-visible {
  transform: scale(1.25);
  box-shadow:
    0 0 0 6px rgba(242, 165, 65, 0.45),
    0 0 24px 6px rgba(242, 165, 65, 0.5);
}
.tour:has(.pin-1:is(:hover, :focus-visible)) #tour-1,
.tour:has(.pin-2:is(:hover, :focus-visible)) #tour-2,
.tour:has(.pin-3:is(:hover, :focus-visible)) #tour-3,
.tour:has(.pin-4:is(:hover, :focus-visible)) #tour-4,
.tour:has(.pin-5:is(:hover, :focus-visible)) #tour-5,
.tour-card:hover,
.tour-card:focus-visible,
.tour-card:target {
  border-color: var(--amber);
}

/* A feature on the roadmap rather than in the app today. */
/* It sits on its own line under the card's heading. */
.tag {
  display: table;
  margin-top: 6px;
  padding: 1px 8px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font: 500 0.7rem var(--mono);
  letter-spacing: 0;
  color: var(--muted);
}
.card .eyebrow {
  display: block;
}

/* Tutorials on the landing page: two cards that are links. */
.tutorials .grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
a.card {
  display: block;
  color: var(--text);
  text-decoration: none;
}
a.card:hover {
  border-color: var(--amber);
  color: var(--text);
}
.card-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--amber);
  font-weight: 600;
}

/* Tutorial pages: one readable column. Console blocks and the screenshot
   may run wider than the text, up to 960px, but never past the page's side
   gutters; long lines scroll inside the block. */
.page-links {
  display: flex;
  gap: 20px;
}
.page-links a {
  color: var(--soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.page-links a:hover {
  color: var(--text);
}
.article {
  max-width: 760px;
  padding-block: 24px 72px;
}
.article > p,
.article section > p,
.article li {
  color: var(--soft);
}
.article h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
}
.article section {
  padding-block: 0;
}
.article h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.75rem);
  margin-top: 1.9em;
  scroll-margin-top: 20px;
}
/* A small comparison table in an article, such as the two clocks. */
.article table.times {
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.95rem;
}
.article table.times th,
.article table.times td {
  padding: 8px 16px 8px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.article table.times th {
  color: var(--muted);
  font-weight: 500;
}
.article table.times td {
  color: var(--soft);
}
.article .console,
.article .shot {
  --bleed: min(960px, 100vw - 40px);
  margin-inline: calc((var(--bleed) - 100%) / -2);
}
.toc {
  margin-top: 28px;
  padding: 18px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.toc-head {
  margin: 0 0 6px;
  font: 500 0.8rem var(--mono);
  color: var(--amber);
}
.toc ol {
  margin: 0;
  padding-left: 1.4em;
  columns: 2;
  column-gap: 32px;
}
.toc li {
  margin: 0 0 6px;
  break-inside: avoid;
}
.toc a {
  color: var(--text);
  text-decoration: none;
}
.toc a:hover {
  color: var(--amber);
}
.card.next {
  margin-top: 48px;
}
.card.next span {
  display: block;
}
.card.next .eyebrow {
  margin-bottom: 6px;
}
.next-title {
  font: 700 1.3rem var(--display);
  letter-spacing: -0.01em;
}
.next-text {
  color: var(--soft);
  margin-top: 4px;
}

/* Console blocks: what was typed in the accent, what came back muted. */
.console {
  margin-block: 18px;
  padding: 14px 18px;
  background: #0a0c0f;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow-x: auto;
  font: 13px/1.65 var(--mono);
  color: var(--muted);
  tab-size: 8;
}
.console code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}
.console .cmd {
  color: var(--amber);
}
.console .prompt {
  color: #8a6a3a;
  user-select: none;
}
/* Diff lines fill the block's width so their tint reads as a band. */
.diff .add,
.diff .del,
.diff .ctx,
.diff .hunk {
  display: inline-block;
  min-width: 100%;
}
.diff .ctx {
  color: var(--soft);
}
.diff .add {
  color: #9be3a6;
  background: rgba(86, 196, 110, 0.13);
}
.diff .del {
  color: #ffaaa0;
  background: rgba(255, 122, 107, 0.13);
}
.diff .hunk {
  color: var(--blue);
}

@media (max-width: 1080px) {
  .tour {
    grid-template-columns: minmax(0, 1fr);
  }
  .tour-shot {
    width: 100%;
    max-width: 800px;
    margin-inline: auto;
  }
  .tour-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-copy {
    padding-top: 0;
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  section {
    padding-block: 48px;
  }
  .hero {
    padding-top: 16px;
  }
  .nav-links a:not(.btn) {
    display: none;
  }
  .lanes,
  .plans,
  .tutorials .grid {
    grid-template-columns: 1fr;
  }
  .toc ol {
    columns: 1;
  }
  .tour-cards {
    grid-template-columns: 1fr;
  }
}

/* A phone: the scrubber's panels stack, and definitions sit above their text. */
@media (max-width: 600px) {
  .panels {
    grid-template-columns: 1fr;
  }
  /* The log scrolls sideways instead of cutting its lines short. */
  .log {
    overflow-x: auto;
  }
  .log .t {
    overflow: visible;
    text-overflow: clip;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .lane {
    padding: 22px 18px;
  }
  .rows-def div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .demo-bar {
    flex-wrap: wrap;
  }
  .demo-path {
    flex-basis: 100%;
    order: 1;
  }
  .badge.example {
    margin-left: 0;
  }
  .fork-btn {
    margin-left: 0;
  }
}

@media (max-width: 420px) {
  .nav .btn.small {
    display: none;
  }
  /* Smaller pins on a phone-sized screenshot. */
  .pin {
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    font-size: 11px;
    line-height: 20px;
  }
}

/* Reduced motion: the playhead jumps instead of gliding, the "Try me" arrow
   holds still and vanishes without a fade, pins and tour cards light up
   without easing, and demo.js skips its opening sweep. */
@media (prefers-reduced-motion: reduce) {
  .playhead,
  .try-me,
  .try-me.gone,
  .pin,
  .tour-card {
    transition: none;
  }
  .try-me svg {
    animation: none;
  }
}