:root {
  color-scheme: light;
  --bg: #f6f7f2;
  --ink: #111418;
  --muted: #5f6770;
  --panel: #ffffff;
  --line: #d9ddd7;
  --line-strong: #aeb7ac;
  --accent: #245b46;
  --accent-2: #8a4a2f;
  --hold: #a8332a;
  --release: #21724d;
  --code: #18211d;
  --soft: #eef1eb;
  --shadow: 0 18px 50px rgba(28, 35, 30, 0.08);
  --sans: "Avenir Next", "Helvetica Neue", Helvetica, sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(246, 247, 242, 0.94)),
    repeating-linear-gradient(90deg, rgba(17, 20, 24, 0.035) 0 1px, transparent 1px 96px);
  color: var(--ink);
  font-family: var(--sans);
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.topbar {
  width: min(1160px, calc(100vw - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.brand,
nav,
.hero-actions,
.response-head,
.endpoint,
footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.84rem;
}

nav {
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

nav a {
  text-decoration: none;
}

main {
  width: min(1160px, calc(100vw - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 54px;
  align-items: center;
  padding: 68px 0 44px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 800px;
  font-size: 4.4rem;
  line-height: 1;
  font-weight: 760;
}

h2 {
  font-size: 2.35rem;
  line-height: 1.08;
}

h3 {
  font-size: 1.05rem;
}

.lede {
  margin-top: 24px;
  max-width: 680px;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.62;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  border: 1px solid var(--line-strong);
  min-height: 44px;
  padding: 11px 16px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button.secondary {
  background: transparent;
}

.runtime-figure {
  margin: 0;
  display: grid;
  gap: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.lane,
.gate-stage {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.lane span,
.lane b,
.gate-stage small,
figcaption,
.endpoint span,
label span,
dt {
  color: var(--muted);
}

.lane span,
.gate-stage .gate-label,
.endpoint span,
label span,
dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lane b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.lane.muted {
  opacity: 0.72;
}

.gate-stage {
  position: relative;
  min-height: 190px;
  place-items: center;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(36, 91, 70, 0.1), rgba(138, 74, 47, 0.1)),
    var(--panel);
}

.gate-stage::before,
.gate-stage::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  height: 1px;
  background: var(--line-strong);
}

.gate-stage::before {
  top: 52px;
}

.gate-stage::after {
  bottom: 52px;
}

.gate-stage strong {
  font-family: var(--mono);
  font-size: 3rem;
  color: var(--hold);
}

.band {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.split,
.section-head,
.console-layout,
.status-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 44px;
}

.copy-block {
  display: grid;
  gap: 18px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.section-head {
  align-items: end;
  margin-bottom: 22px;
}

.endpoint {
  gap: 10px;
  justify-self: end;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

code,
pre {
  font-family: var(--mono);
}

.console,
.response-panel,
.principles article,
.status-band dl {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.console {
  display: grid;
  gap: 16px;
  padding: 20px;
}

label {
  display: grid;
  gap: 8px;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(36, 91, 70, 0.24);
  outline-offset: 2px;
}

.response-panel {
  min-width: 0;
  overflow: hidden;
}

.response-head {
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.decision-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  color: #fff;
  background: var(--hold);
}

.decision-chip.release {
  background: var(--release);
}

#response-time {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

pre {
  margin: 0;
  max-height: 430px;
  overflow: auto;
  padding: 16px;
  color: #e9f1eb;
  background: var(--code);
  font-size: 0.82rem;
  line-height: 1.55;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.principles article {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.principles span {
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.principles p {
  color: var(--muted);
  line-height: 1.58;
}

.status-band dl {
  margin: 0;
  display: grid;
}

.status-band dl div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.status-band dl div:last-child {
  border-bottom: 0;
}

dd {
  margin: 0;
  overflow-wrap: anywhere;
}

footer {
  width: min(1160px, calc(100vw - 32px));
  min-height: 80px;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 860px) {
  .topbar,
  nav,
  footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .hero,
  .split,
  .section-head,
  .console-layout,
  .status-band,
  .principles {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .endpoint {
    justify-self: start;
  }
}

@media (max-width: 520px) {
  main,
  .topbar,
  footer {
    width: min(100vw - 22px, 1160px);
  }

  h1 {
    font-size: 2.35rem;
  }

  .runtime-figure,
  .console,
  .principles article {
    padding: 16px;
  }
}