:root {
  --canvas: #eef0ff;
  --paper: #fbfbff;
  --ink: #12131a;
  --muted: #5f6170;
  --rule: #c9ccdc;
  --accent: #334bd4;
  --accent-dark: #2438a4;
  --danger: #a63b48;
  --success: #187051;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

main,
footer {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  padding: 76px 0 72px;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  margin-bottom: 26px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: clamp(4rem, 11vw, 7.4rem);
  font-weight: 500;
  letter-spacing: -0.09em;
  line-height: 0.9;
}

.wordmark span,
.footer-mark span {
  text-decoration: line-through;
  text-decoration-color: var(--danger);
  text-decoration-thickness: 0.08em;
}

.kicker,
.label,
.step-number,
.credential-label {
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 52px;
  font-family: var(--mono);
  font-size: clamp(2.15rem, 5.5vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

h3 {
  margin-bottom: 5px;
  font-size: 1rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 72px;
  align-items: end;
}

.lede {
  max-width: 650px;
  color: #32343e;
  font-size: 1.12rem;
}

.promise-list {
  display: grid;
  gap: 8px;
  margin: 26px 0 32px;
  padding: 0;
  list-style: none;
}

.promise-list li::before {
  content: "−";
  margin-right: 12px;
  color: var(--accent);
  font-family: var(--mono);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button,
.command button {
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
  font: 650 0.9rem/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease, transform 120ms ease;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
}

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

.button:hover,
.command button:hover {
  border-color: var(--accent);
}

.button.primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.button:active,
.command button:active {
  transform: translateY(1px);
}

.button:focus-visible,
.command button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(51, 75, 212, 0.3);
  outline-offset: 3px;
}

.install-wrap .label {
  margin-bottom: 8px;
}

.install-wrap {
  min-width: 0;
}

.workflow-snippet {
  position: relative;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: 0 12px 35px rgba(30, 35, 80, 0.07);
}

.workflow-snippet pre {
  margin: 0;
  padding: 18px 68px 18px 18px;
  overflow-x: auto;
}

.workflow-snippet code {
  font: 0.72rem/1.65 var(--mono);
  white-space: pre;
}

.workflow-snippet code span {
  color: var(--accent);
}

.workflow-snippet button {
  position: absolute;
  top: 10px;
  right: 10px;
  min-width: 54px;
  min-height: 36px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
  font: 650 0.8rem/1 var(--sans);
  cursor: pointer;
}

.command {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 9px 9px 18px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: 0 12px 35px rgba(30, 35, 80, 0.07);
}

.command code {
  font-family: var(--mono);
  font-size: 0.9rem;
  white-space: nowrap;
}

.command code span {
  color: var(--accent);
}

.command button {
  min-width: 62px;
  min-height: 40px;
  padding: 0 12px;
}

.fine-print {
  margin: 8px 2px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

section {
  padding: 72px 0;
  border-bottom: 1px solid var(--rule);
}

.playground-teaser {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.playground-teaser > div > p:not(.label) {
  max-width: 560px;
  margin: 18px 0 26px;
  color: var(--muted);
}

.teaser-tape {
  margin: 0;
  padding: 8px 0;
  border: 1px solid #343744;
  border-radius: 7px;
  background: #12131a;
  color: #f6f6fb;
  box-shadow: 0 16px 38px rgba(30, 35, 80, 0.12);
  list-style: none;
}

.teaser-tape li {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 52px minmax(130px, 1fr);
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid #292c37;
  font: 0.72rem/1.4 var(--mono);
}

.teaser-tape li:last-child {
  border-bottom: 0;
}

.teaser-tape code {
  color: #d9dcff;
}

.teaser-tape strong {
  color: #6ed3a9;
}

.teaser-tape span {
  color: #969aa9;
}

.teaser-tape .denied strong {
  color: #ff939f;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  gap: 40px;
  margin-bottom: 38px;
  align-items: start;
}

.credential-path {
  display: flex;
  align-items: center;
  border: 1px solid var(--rule);
  border-radius: 7px;
  background: var(--paper);
  overflow: hidden;
}

.credential {
  display: grid;
  flex: 1 1 0;
  min-height: 132px;
  align-content: center;
  gap: 7px;
  padding: 24px;
}

.credential code {
  font: 650 1rem/1.3 var(--mono);
}

.credential-note {
  color: var(--muted);
  font-size: 0.78rem;
}

.credential.old code {
  color: var(--danger);
  text-decoration: line-through;
}

.credential.good code {
  color: var(--success);
}

.credential.action code {
  color: var(--accent);
}

.arrow {
  color: var(--accent);
  font-family: var(--mono);
}

.evidence {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 16px 0 0;
  border: 1px solid var(--rule);
  border-radius: 7px;
  background: rgba(251, 251, 255, 0.55);
  overflow: hidden;
}

.evidence div {
  padding: 16px 18px;
  border-right: 1px solid var(--rule);
}

.evidence div:last-child {
  border-right: 0;
}

.evidence dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.evidence dd {
  margin: 3px 0 0;
  font: 650 0.88rem/1.3 var(--mono);
}

.steps ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  gap: 40px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.steps li:last-child {
  border-bottom: 0;
}

.steps li p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
}

.boundary {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  gap: 22px 40px;
}

.boundary p:not(.label) {
  grid-column: 2;
  max-width: 720px;
  margin-bottom: 0;
}

.boundary-note {
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(251, 251, 255, 0.55);
  color: var(--muted);
}

.closing {
  display: grid;
  grid-template-columns: 1fr minmax(310px, 0.7fr);
  gap: 40px;
  align-items: end;
  border-bottom: 0;
}

.closing h2 {
  font-family: var(--mono);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 500;
}

.closing-actions {
  display: grid;
  gap: 10px;
}

.closing-actions .button {
  justify-content: center;
}

.command.compact {
  min-height: 58px;
}

footer {
  display: flex;
  min-height: 110px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid var(--rule);
  font-size: 0.82rem;
}

.footer-mark {
  color: var(--accent);
  font: 600 1rem/1 var(--mono);
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

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

footer a:hover {
  color: var(--ink);
}

@media (max-width: 760px) {
  main,
  footer {
    width: min(100% - 28px, 620px);
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    margin-bottom: 38px;
  }

  .hero-grid,
  .section-heading,
  .boundary,
  .closing,
  .playground-teaser {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .boundary p:not(.label) {
    grid-column: 1;
  }

  .credential-path {
    align-items: stretch;
    flex-direction: column;
  }

  .credential {
    min-height: 108px;
  }

  .arrow {
    padding-left: 24px;
    transform: rotate(90deg);
    transform-origin: 31px center;
  }

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

  .evidence div:nth-child(2) {
    border-right: 0;
  }

  .evidence div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--rule);
  }

  .steps li {
    grid-template-columns: 56px 1fr;
    gap: 12px;
  }

  footer {
    padding: 28px 0;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .wordmark {
    font-size: 3.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  .actions,
  .button {
    width: 100%;
  }

  .button {
    justify-content: center;
  }

  .command code {
    font-size: 0.78rem;
  }

  .workflow-snippet code {
    font-size: 0.66rem;
  }

  .teaser-tape li {
    grid-template-columns: 1fr 44px;
  }

  .teaser-tape span {
    grid-column: 1 / -1;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}