:root {
  color-scheme: light;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
  --green: #2a6956;
  --green-deep: #174a3c;
  --paper: #f2f1ed;
  --work: #fbfbf8;
  --white: #ffffff;
  --ink: #161715;
  --muted: #62645f;
  --line: #cecec7;
  --line-strong: #73776f;
  background: var(--paper);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  margin: 0;
  background: var(--paper);
}

a {
  color: var(--green-deep);
  text-underline-offset: 0.2em;
}

:where(a, [tabindex]):focus-visible {
  outline: 3px solid var(--green-deep);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  min-height: 72px;
  border-bottom: 1px solid var(--line);
  background: var(--work);
}

.site-header-inner {
  width: min(calc(100% - 32px), 1180px);
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 10px;
  font: 800 12px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.local-note {
  color: var(--muted);
  font-size: 14px;
}

main {
  width: min(calc(100% - 32px), 1180px);
  margin: 0 auto;
}

.intro {
  padding: clamp(56px, 9vw, 104px) 0 clamp(46px, 7vw, 76px);
  border-bottom: 1px solid var(--line-strong);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font: 750 12px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 17ch;
  margin: 0;
  font-size: clamp(46px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.intro-copy {
  max-width: 68ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
  text-wrap: pretty;
}

.intro-cta {
  min-height: 44px;
  width: fit-content;
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border: 1px solid var(--green-deep);
  border-radius: 10px;
  color: var(--white);
  background: var(--green-deep);
  font-weight: 750;
  text-decoration: none;
}

.principles {
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  font: 700 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.principles li::before {
  content: "✓ ";
  color: var(--green-deep);
}

.catalog-layout {
  padding: 48px 0 80px;
  display: grid;
  grid-template-columns: minmax(180px, 0.26fr) minmax(0, 0.74fr);
  align-items: start;
  gap: clamp(34px, 6vw, 72px);
}

.catalog-nav {
  position: sticky;
  top: 20px;
  display: grid;
  border-top: 2px solid var(--ink);
}

.catalog-nav p {
  margin: 0;
  padding: 13px 4px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.catalog-nav a {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 8px 4px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.catalog-nav a:hover {
  color: var(--green-deep);
}

.catalog-nav span {
  color: var(--muted);
  font: 700 12px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.tool-groups {
  min-width: 0;
  display: grid;
  gap: 64px;
}

.tool-group {
  min-width: 0;
  scroll-margin-top: 18px;
}

.group-heading {
  min-height: 62px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 2px solid var(--ink);
  padding: 0 4px 14px;
}

.group-heading div {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.group-heading p,
.group-heading > span {
  margin: 0;
  color: var(--muted);
  font: 700 12px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.group-heading h2 {
  margin: 0;
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.tool-list {
  display: grid;
}

.tool-row {
  min-width: 0;
  min-height: 96px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding: 16px 4px;
  color: var(--ink);
  text-decoration: none;
}

.tool-row:hover {
  background: var(--work);
}

.tool-row:active {
  transform: translateY(1px);
}

.tool-number,
.tool-output {
  color: var(--muted);
  font: 700 11px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.tool-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.tool-copy strong {
  font-size: 17px;
  line-height: 1.25;
}

.tool-copy > span {
  max-width: 66ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  text-wrap: pretty;
}

.tool-output {
  min-width: 64px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 5px 7px;
  color: var(--ink);
  text-align: center;
}

.site-footer {
  min-height: 112px;
  border-top: 1px solid var(--line);
  padding: 22px max(16px, calc((100% - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: var(--work);
}

.site-footer div {
  min-width: 0;
}

.site-footer span {
  font-weight: 750;
}

.site-footer p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.site-footer a {
  min-height: 44px;
  flex: none;
  display: inline-flex;
  align-items: center;
}

@media (max-width: 800px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .catalog-nav {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .catalog-nav p {
    grid-column: 1 / -1;
  }

  .catalog-nav a {
    padding-inline: 8px;
  }
}

@media (max-width: 560px) {
  .site-header-inner {
    min-height: 68px;
  }

  .local-note {
    display: none;
  }

  .intro {
    padding-top: 44px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 54px);
  }

  .catalog-nav {
    grid-template-columns: 1fr;
  }

  .catalog-nav p {
    grid-column: auto;
  }

  .group-heading {
    align-items: start;
  }

  .group-heading div {
    align-items: start;
    flex-direction: column;
    gap: 5px;
  }

  .tool-row {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .tool-output {
    grid-column: 2;
    width: fit-content;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

@media (forced-colors: active) {
  .tool-output,
  .catalog-nav,
  .group-heading {
    border-color: CanvasText;
  }
}