@font-face {
  font-family: "Source Sans Pro";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/dist/fonts/source-sans-pro-400.ttf") format("truetype");
}

@font-face {
  font-family: "Source Sans Pro";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/dist/fonts/source-sans-pro-700.ttf") format("truetype");
}

@font-face {
  font-family: "Source Sans Pro";
  font-style: normal;
  font-weight: 800 900;
  font-display: swap;
  src: url("/assets/dist/fonts/source-sans-pro-900.ttf") format("truetype");
}

:root {
  --paper: #f7f3ed;
  --ink: #080808;
  --muted: #5f5b54;
  --line: #151515;
  --yellow: #fcbd3b;
  --orange: #fb6839;
  --red: #f23040;
  --pink: #ce2968;
  --purple: #701164;
  --green: #36a852;
  --gutter: clamp(1.25rem, 3.2vw, 3.25rem);
  --max: 96rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans Pro", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

button, input, textarea, output { font: inherit; }

button { color: inherit; }

.mono,
.body-copy,
.tool-copy,
.field label,
.field-note,
.result-label,
.footer,
.page-copy,
.tiny,
.principle p {
  font-family: "Courier New", Courier, monospace;
}

.site-header {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 2px solid var(--line);
  background-color: var(--paper);
  padding: 0 var(--gutter);
}

.wordmark {
  font-family: "Source Sans Pro", Arial, Helvetica, sans-serif;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  text-decoration: none;
}

.nav { display: flex; align-items: center; gap: clamp(1.4rem, 4vw, 4.7rem); }

.nav a {
  position: relative;
  padding: 1.9rem 0 1.7rem;
  font-size: 1rem;
  font-weight: 750;
  text-decoration: none;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 1.15rem;
  left: 0;
  height: 4px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.menu-button { display: none; }

.shell { width: min(100%, var(--max)); margin: 0 auto; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(34rem, 1.22fr);
  grid-template-rows: auto auto;
  -moz-column-gap: clamp(3rem, 6vw, 7rem);
       column-gap: clamp(3rem, 6vw, 7rem);
  row-gap: clamp(2rem, 4vw, 4rem);
  min-height: 40rem;
  overflow: hidden;
  padding: clamp(2.5rem, 4vw, 4rem) var(--gutter) 4rem;
}

.hero-copy { min-width: 0; max-width: 47rem; }

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

h1 {
  max-width: 10ch;
  margin-bottom: 1.4rem;
  font-size: clamp(4rem, 7vw, 4.8rem);
  font-weight: 950;
  letter-spacing: -0.045em;
  line-height: 0.86;
}

.body-copy {
  max-width: 40rem;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.05rem;
}

.button-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.5rem; }

.button {
  display: inline-flex;
  min-height: 3.75rem;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  border: 3px solid var(--line);
  border-radius: 0.45rem;
  background: transparent;
  padding: 0.85rem 1.55rem;
  cursor: pointer;
  font-weight: 850;
  text-decoration: none;
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}

.button:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }

.button:focus-visible,
.tool-link:focus-visible,
.nav a:focus-visible,
.wordmark:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 4px solid var(--yellow);
  outline-offset: 4px;
}

.arrow { width: 1.1rem; height: 1.1rem; }

.hero-signal {
  width: calc(100% + var(--gutter));
  height: 15rem;
  align-self: center;
  margin-right: calc(-1 * var(--gutter));
}

.tool-directory {
  min-width: 0;
  align-self: end;
}

.section-title {
  margin-bottom: 0.6rem;
  font-size: clamp(2.3rem, 4vw, 4rem);
  font-weight: 950;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.tool-link {
  display: grid;
  grid-template-columns: 3.5rem 12rem 1fr 2rem;
  align-items: center;
  gap: 1rem;
  min-height: 4.25rem;
  border-bottom: 2px solid var(--line);
  text-decoration: none;
}

.tool-link strong { font-size: 1.35rem; }

.tool-link .tool-copy { font-size: 0.88rem; line-height: 1.3; }

.tool-link:hover strong { text-decoration: underline; text-decoration-thickness: 3px; }

.hero-signal-low {
  width: calc(100% + var(--gutter));
  height: 8rem;
  align-self: end;
  margin-left: calc(-1 * var(--gutter));
}

.principles {
  display: grid;
  grid-template-columns: 1.8fr repeat(4, 1fr);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.principles > * { min-height: 9rem; padding: 2.25rem var(--gutter); }

.principles h2 { margin: 0; font-size: clamp(2rem, 3vw, 3rem); letter-spacing: -0.05em; }

.principle { border-left: 1px solid var(--line); }

.principle::before { display: block; margin-bottom: 0.9rem; content: "×"; font-size: 2rem; line-height: 0.5; }

.principle strong { display: block; margin-bottom: 0.4rem; }

.principle p { margin: 0; font-size: 0.78rem; line-height: 1.4; }

.status-strip { padding: 0.8rem var(--gutter); border-bottom: 2px solid var(--line); }

.status-link {
  display: grid;
  grid-template-columns: auto 15rem 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 4.5rem;
  border: 2px solid var(--line);
  border-radius: 0.4rem;
  padding: 0.8rem 2rem;
  text-decoration: none;
}

.dot { width: 0.75rem; height: 0.75rem; border-radius: 50%; background: var(--green); }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 3rem;
  min-height: 5.25rem;
  padding: 1rem var(--gutter);
}

.footer-mark { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.035em; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 2.5rem; }

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

.page-hero { padding: clamp(4rem, 8vw, 7.5rem) var(--gutter); border-bottom: 2px solid var(--line); }

.page-hero::after {
  position: absolute;
  z-index: -1;
  top: -2.5rem;
  right: -6.8rem;
  width: 17rem;
  height: 17rem;
  border: 1.25rem solid var(--yellow);
  box-shadow: inset 0 0 0 1.25rem var(--orange), inset 0 0 0 2.5rem var(--red), inset 0 0 0 3.75rem var(--pink), inset 0 0 0 5rem var(--purple);
  border-radius: 0 0 0 1rem;
  content: "";
}

.page-hero h1 { max-width: 11ch; }

.page-copy { max-width: 50rem; font-size: clamp(1rem, 1.4vw, 1.25rem); line-height: 1.55; }

.content-band { display: grid; grid-template-columns: minmax(17rem, 32%) minmax(0, 1fr); border-bottom: 2px solid var(--line); }

.content-band > * { padding: clamp(2rem, 5vw, 5rem) var(--gutter); }

.content-band h2 { font-size: clamp(2rem, 4vw, 4rem); letter-spacing: -0.055em; line-height: 0.95; }

.content-band .prose { border-left: 2px solid var(--line); }

.prose { min-width: 0; overflow-wrap: anywhere; }

.prose p { max-width: 50rem; font-size: 1.05rem; line-height: 1.65; }

.prose a { font-weight: 800; }

.facts { list-style: none; margin: 0; padding: 0; }

.facts li { display: grid; grid-template-columns: minmax(9rem, 12rem) minmax(0, 1fr); gap: 1.5rem; border-top: 1px solid var(--line); padding: 1.1rem 0; }

.tools-layout { display: grid; grid-template-columns: 18rem minmax(0, 1fr); min-height: calc(100vh - 5.25rem); align-items: stretch; }

.tools-layout::after {
  position: absolute;
  z-index: -1;
  top: -2.5rem;
  right: -6.8rem;
  width: 17rem;
  height: 17rem;
  border: 1.25rem solid var(--yellow);
  box-shadow: inset 0 0 0 1.25rem var(--orange), inset 0 0 0 2.5rem var(--red), inset 0 0 0 3.75rem var(--pink), inset 0 0 0 5rem var(--purple);
  border-radius: 0 0 0 1rem;
  content: "";
}

.tool-rail { position: relative; min-height: 100%; border-right: 2px solid var(--line); }

.rail-label { padding: 2.25rem 2rem; border-bottom: 1px solid var(--line); font-family: "Courier New", monospace; }

.rail-button {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 3.8rem 1fr;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 1.4rem 2rem;
  cursor: pointer;
  text-align: left;
  isolation: isolate;
}

.rail-button .number { font-family: "Courier New", monospace; font-size: 2rem; }

.rail-button .label { font-family: "Courier New", monospace; font-weight: 700; line-height: 1.35; }

.rail-button[aria-selected="true"] { background: var(--ink); color: var(--paper); }

.rail-button[aria-selected="true"]::after {
  position: absolute;
  z-index: -1;
  top: 0;
  right: -1.45rem;
  width: 1.5rem;
  height: 100%;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  content: "";
}

.rail-note { position: absolute; bottom: 2rem; left: 2rem; font-size: 0.75rem; line-height: 1.55; }

.tools-main { position: relative; overflow: hidden; padding: clamp(2.5rem, 5vw, 5rem) var(--gutter); }

.tools-intro { margin-bottom: 2rem; }

.tools-intro h1 { margin-bottom: 1rem; font-size: clamp(3.2rem, 6vw, 6rem); }

.tool-panel { display: none; border: 3px solid var(--line); border-radius: 0.65rem; background: var(--paper); }

.tool-panel.active { display: block; }

.tool-heading { display: flex; align-items: center; gap: 1.4rem; padding: 1.25rem 1.5rem; border-bottom: 2px solid var(--line); }

.tool-number { display: grid; width: 3.1rem; height: 3.1rem; place-items: center; background: var(--ink); color: var(--paper); font: 1.3rem "Courier New", monospace; }

.tool-heading h2 { margin: 0; font-size: clamp(1.4rem, 2.5vw, 2.2rem); }

.tool-body { display: grid; grid-template-columns: 1fr 1.25fr; }

.tool-body > * { padding: clamp(1.5rem, 3vw, 3rem); }

.tool-body > * + * { border-left: 1px solid var(--line); }

.field { margin-bottom: 1.25rem; }

.field label, .result-label { display: block; margin-bottom: 0.45rem; font-size: 0.82rem; font-weight: 700; }

input[type="text"],
input[type="datetime-local"],
input[type="number"],
textarea,
.result {
  width: 100%;
  min-height: 3.25rem;
  border: 2px solid var(--line);
  border-radius: 0.35rem;
  background: #fffdf8;
  padding: 0.75rem 0.9rem;
  font-family: "Courier New", monospace;
  font-size: 0.95rem;
}

textarea { min-height: 10rem; resize: vertical; }

.field-note { margin-top: 0.4rem; color: var(--muted); font-size: 0.74rem; }

.result-row { display: grid; grid-template-columns: 1fr auto; gap: 0.65rem; margin-bottom: 1rem; }

.small-button {
  min-height: 3.25rem;
  border: 2px solid var(--line);
  border-radius: 0.35rem;
  background: transparent;
  padding: 0.65rem 1rem;
  cursor: pointer;
  font-weight: 800;
}

.small-button:hover { background: var(--ink); color: var(--paper); }

.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; margin: 1.2rem 0; }

.check { display: flex; align-items: center; gap: 0.55rem; font: 0.88rem "Courier New", monospace; }

.check input { width: 1.1rem; height: 1.1rem; accent-color: var(--ink); }

.tool-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.feedback { min-height: 1.3rem; margin: 0.7rem 0 0; color: #246b35; font: 0.78rem "Courier New", monospace; }

.local-note { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; border-top: 2px solid var(--line); padding: 2rem var(--gutter); }

.shield { width: 2rem; height: 2.4rem; }

@media (max-width: 900px) {
  .site-header { min-height: 4.5rem; }
  .wordmark { font-size: 2rem; }
  .menu-button {
    display: inline-flex;
    border: 2px solid var(--line);
    background: transparent;
    padding: 0.55rem 0.7rem;
    font-weight: 800;
  }
  .nav {
    position: absolute;
    z-index: 20;
    top: 4.5rem;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    border-bottom: 2px solid var(--line);
    background: var(--paper);
  }
  .nav.open { display: flex; }
  .nav a { border-top: 1px solid var(--line); padding: 1rem var(--gutter); }
  .nav a::after { display: none; }
  .hero { min-height: auto; padding-bottom: 0; }
  .hero { display: block; }
  .hero-copy { max-width: 100%; }
  .hero-signal { width: calc(100% + 2 * var(--gutter)); height: 11rem; margin: 3rem calc(-1 * var(--gutter)) 0; }
  .hero-signal-low { display: none; }
  .tool-directory { width: auto; padding: 2rem 0; }
  .tool-link { grid-template-columns: 2.5rem 8rem 1fr 1rem; }
  .principles { grid-template-columns: 1fr 1fr; }
  .principles > :first-child { grid-column: 1 / -1; }
  .principle:nth-child(even) { border-left: 0; }
  .status-link { grid-template-columns: auto 1fr auto; }
  .status-link .status-copy { display: none; }
  .tools-layout { display: block; }
  .tool-rail { min-height: auto; border-right: 0; border-bottom: 2px solid var(--line); }
  .rail-label, .rail-note { display: none; }
  .rail-buttons { display: grid; grid-template-columns: repeat(3, 1fr); background-color: var(--paper);}
  .rail-button { grid-template-columns: 1fr; justify-items: center; padding: 0.8rem; text-align: center; }
  .rail-button[aria-selected="true"]::after { top: auto; right: 0; bottom: -0.8rem; left: 0; width: 100%; height: 0.85rem; clip-path: polygon(0 0, 100% 0, 50% 100%); }
  .rail-button .number { font-size: 1.2rem; }
  .rail-button .label { font-size: 0.68rem; }
}

@media (max-width: 620px) {
  h1 { font-size: clamp(3.55rem, 18vw, 5.5rem); }
  .button-row, .button { width: 100%; }
  .tool-link { grid-template-columns: 2rem 1fr 1rem; padding: 0.8rem 0; }
  .tool-link .tool-copy { display: none; }
  .principles { grid-template-columns: 1fr; }
  .principles > :first-child { grid-column: auto; }
  .principle { border-top: 1px solid var(--line); border-left: 0; }
  .status-link { padding: 0.8rem 1rem; font-size: 0.83rem; }
  .site-footer { grid-template-columns: 1fr; gap: 1rem; }
  .footer-nav { gap: 1rem; }
  .content-band { grid-template-columns: 1fr; }
  .content-band .prose { border-top: 2px solid var(--line); border-left: 0; }
  .tools-main::after { display: none; }
  .facts li { grid-template-columns: minmax(7rem, 9rem) minmax(0, 1fr); gap: 1rem; }
  .tool-body { grid-template-columns: 1fr; }
  .tool-body > * + * { border-top: 1px solid var(--line); border-left: 0; }
  .checks { grid-template-columns: 1fr; }
  .result-row { grid-template-columns: 1fr; }
}

@media (max-width: 440px) {
  .facts li { grid-template-columns: 1fr; gap: 0.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}