/* GIT STRATA Desktop
   Session #143848  Plate #E6F2F6  Sand #D4C6AE
   Lichen #4F6240   Chain #C4843A  Ink #1C1915
   Display: Darker Grotesque. Body: Commissioner. Utility: Spline Sans Mono.
   The page is a core: full-bleed layers, one fork diagram, no card grid. */

:root {
  --session: #143848;
  --plate: #e6f2f6;
  --sand: #d4c6ae;
  --lichen: #4f6240;
  --chain: #c4843a;
  --ink: #1c1915;
  --display: "Darker Grotesque", "Avenir Next Condensed", "Franklin Gothic Medium", sans-serif;
  --body: "Commissioner", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "Spline Sans Mono", "SFMono-Regular", ui-monospace, monospace;
  --wrap: 68rem;
  --measure: 40rem;
}

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

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

body {
  margin: 0;
  background: var(--plate);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

::selection {
  background: var(--chain);
  color: var(--ink);
}

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

.band-session :focus-visible,
.band-lichen :focus-visible {
  outline-color: var(--plate);
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0;
  transform: translateY(-120%);
  background: var(--chain);
  color: var(--ink);
  padding: 0.5rem 0.8rem;
  z-index: 20;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.skip:focus {
  transform: none;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 0.85rem clamp(1.15rem, 3vw, 2rem);
  background: var(--plate);
  color: var(--ink);
}

.bar-top {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 16%, transparent);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: 0.04em;
  line-height: 1;
}

.brand-role,
.brand-ver {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
}

.nav a {
  color: inherit;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-underline-offset: 0.22em;
}

.nav a:hover,
.nav a:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.band {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.15rem, 4vw, 2.5rem);
  scroll-margin-top: 4.25rem;
}

.band-session {
  background: var(--session);
  color: var(--plate);
  color-scheme: dark;
}

.band-session + .band-session {
  padding-top: 0;
}

.band-fill {
  min-height: 100svh;
  display: grid;
  align-items: center;
}

.band-sand {
  background: var(--sand);
  color: var(--ink);
}

.band-lichen {
  background: var(--lichen);
  color: var(--plate);
  color-scheme: dark;
}

.band-plate {
  background: var(--plate);
  color: var(--ink);
}

.band-chain {
  background: var(--chain);
  color: var(--ink);
  padding-block: clamp(2.2rem, 5vw, 3.4rem);
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
}

.narrow {
  max-width: var(--measure);
}

.kicker {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.9;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(3.5rem, 8.4vw, 6.6rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  max-width: 18ch;
}

.band-chain h2 {
  max-width: 18ch;
  font-size: clamp(2.6rem, 5vw, 4rem);
}

.lede,
.band p {
  max-width: var(--measure);
}

.lede {
  margin: 0 0 1.25rem;
  font-size: 1.2rem;
  line-height: 1.5;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

.band a {
  text-decoration-color: color-mix(in srgb, currentColor 50%, transparent);
}

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

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

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  margin: 0 0 0.25rem;
  padding: 0;
  list-style: none;
  max-width: 36rem;
}

.facts li {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  padding: 0.28rem 0.5rem;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.85fr);
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  row-gap: 2rem;
  align-items: center;
}

.hero-copy {
  grid-column: 1;
}

.core {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  align-self: center;
}

.hero > .hero-install {
  grid-column: 1 / -1;
}

.hero-install {
  display: grid;
  gap: 0.75rem;
}

.core svg {
  display: block;
  width: min(100%, 34rem);
  height: auto;
  margin-inline: auto;
}

.layers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.layers li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.swatch {
  width: 0.85rem;
  height: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--plate) 70%, transparent);
}

.swatch-base { background: var(--sand); }
.swatch-deps { background: color-mix(in srgb, var(--lichen) 42%, var(--plate)); }
.swatch-session { background: var(--plate); }

.plate-body .top-base { fill: var(--sand); }
.plate-body .side-base { fill: color-mix(in srgb, var(--sand) 68%, var(--ink)); }
.plate-body .top-deps { fill: color-mix(in srgb, var(--lichen) 42%, var(--plate)); }
.plate-body .side-deps { fill: color-mix(in srgb, var(--lichen) 78%, var(--ink)); }
.plate-body .top-session { fill: var(--plate); }
.plate-body .side-session { fill: color-mix(in srgb, var(--plate) 58%, var(--session)); }

.fork-line {
  fill: none;
  stroke: var(--plate);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cmd {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem 1rem;
  align-items: start;
  margin: 0;
  padding: 0.85rem 0.95rem;
  background: var(--plate);
  color: var(--ink);
}

.band-plate .cmd,
.band-sand .cmd {
  background: var(--session);
  color: var(--plate);
}

.cmd pre {
  margin: 0;
  white-space: pre-wrap;
  font-size: 0.86rem;
  line-height: 1.5;
}

.cmd button {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: inherit;
  background: transparent;
  border: 1px solid color-mix(in srgb, currentColor 55%, transparent);
  padding: 0.45rem 0.65rem;
  cursor: pointer;
}

.cmd button:hover {
  background: color-mix(in srgb, currentColor 10%, transparent);
}

.stack {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--measure);
}

.stack li {
  margin: 0 0 0.85rem;
  padding-left: 0;
}

.stack li strong {
  font-weight: 600;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1.75rem;
}

.steps > li {
  counter-increment: step;
  display: grid;
  gap: 0.65rem;
  max-width: 46rem;
}

.steps > li h3::before {
  content: counter(step);
  margin-right: 0.55rem;
  font-family: var(--mono);
  font-size: 0.72em;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.steps > li h3,
.subhead {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.95;
}

.subhead {
  margin-bottom: 0.75rem;
  max-width: 16ch;
}

.follow {
  margin-top: 2.75rem;
}

.specimen {
  margin-top: 1.5rem;
  max-width: 100%;
}

.specimen-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin: 0 0 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid color-mix(in srgb, currentColor 28%, transparent);
}

.specimen-row span {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.fields li {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid color-mix(in srgb, currentColor 30%, transparent);
}

.tray {
  margin: 1rem 0 0;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.faq {
  display: grid;
  gap: 1.35rem;
  margin: 0;
  max-width: 46rem;
}

.faq h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.faq p {
  margin: 0;
}

.foot {
  background: var(--session);
  color: var(--plate);
  color-scheme: dark;
  padding: 1.4rem clamp(1.15rem, 4vw, 2.5rem) 1.8rem;
  border-top: 1px solid color-mix(in srgb, var(--plate) 18%, transparent);
}

.foot-row {
  max-width: var(--wrap);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.foot a {
  color: inherit;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

@media (max-width: 860px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .core,
  .hero > .hero-install {
    grid-column: 1;
    grid-row: auto;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 4.4rem);
  }
}

@media (max-width: 640px) {
  .bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .cmd {
    grid-template-columns: 1fr;
  }

  .cmd button {
    justify-self: start;
  }
}

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

@media (prefers-reduced-motion: no-preference) {
  .fork-line {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: draw 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.2s forwards;
  }

  .plate-body {
    opacity: 0;
    animation: settle 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  }

  .plate-base .plate-body { animation-delay: 0s; }
  .plate-deps .plate-body { animation-delay: 0.72s; }
  .plate-session .plate-body { animation-delay: 0.86s; }
}

@keyframes draw {
  to { stroke-dashoffset: 0; }
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}