:root {
  --ink: #101816;
  --lime: #C6F135;
  --panel: #E6EDE4;
  --text: #1A2420;
  --line: #C5D0C8;
  --mono: "DM Mono", ui-monospace, Consolas, monospace;
  --sans: Figtree, "Segoe UI", sans-serif;
  --measure: 68ch;
  --wide: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--panel);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

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

h1,
h2,
h3,
.eyebrow,
.tick,
.lime-btn,
.menu-toggle,
.fact-list dt,
.lane-index {
  font-family: var(--mono);
  font-weight: 500;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 0.8rem;
}

h2 {
  font-size: 1.15rem;
  line-height: 1.35;
  margin: 0 0 0.7rem;
}

h3 {
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

p {
  margin: 0 0 0.9rem;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--lime);
  color: var(--ink);
  padding: 0.6rem 0.8rem;
  z-index: 3;
}

.skip:focus {
  top: 1rem;
}

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

.scope-band :focus-visible,
.trace-header :focus-visible {
  outline-color: var(--lime);
}

.wrap {
  width: min(var(--wide), calc(100% - 2.4rem));
  margin-inline: auto;
}

.mast {
  background: var(--panel);
}

.mast-bar {
  width: min(var(--wide), calc(100% - 2.4rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0.75rem;
}

.brand img {
  width: min(248px, 70vw);
  height: auto;
}

.menu-toggle {
  display: none;
  background: var(--ink);
  color: var(--panel);
  border: 0;
  min-height: 44px;
  padding: 0 0.9rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tick-nav {
  width: min(var(--wide), calc(100% - 2.4rem));
  margin: 0 auto 0;
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.tick {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 0.4rem;
  min-height: 52px;
  padding: 0.45rem 1rem 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tick::before {
  content: "";
  width: 1px;
  height: 12px;
  background: var(--ink);
}

.tick[aria-current="page"]::before {
  width: 14px;
  height: 3px;
  background: var(--lime);
}

.tick-cta {
  margin-left: auto;
  background: var(--lime);
  color: var(--ink);
}

.tick-cta::before {
  background: var(--ink);
}

.scope-band {
  background: var(--ink);
  min-height: 168px;
  display: grid;
  align-items: center;
}

.scope-band svg,
.waveform {
  width: 100%;
  height: 168px;
}

.trace-path {
  fill: none;
  stroke: var(--lime);
  stroke-width: 3;
  stroke-linejoin: miter;
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  animation: trace-draw 1.5s ease forwards;
}

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

.statement {
  width: min(var(--wide), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 2.2rem 0 1rem;
}

.statement h1,
.statement .lead {
  max-width: 38rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  font-size: 1.12rem;
}

.lime-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.65rem 0.9rem;
  background: var(--lime);
  color: var(--ink);
  text-decoration: none;
  border: 0;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.panel-block {
  width: min(var(--wide), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 1.4rem 0 0.4rem;
}

.panel-block h2 {
  margin-bottom: 0.8rem;
}

.fact-list,
.lane-list {
  margin: 0;
  padding: 0;
}

.fact-list {
  display: block;
}

.log-row,
.lane {
  display: grid;
  grid-template-columns: minmax(9rem, 16rem) minmax(0, 1fr);
  gap: 0.8rem 1.2rem;
  border-top: 1px solid var(--line);
  padding: 0.85rem 0;
}

.lane {
  grid-template-columns: 4.5rem minmax(0, 1fr);
  color: inherit;
  text-decoration: none;
}

.lane:hover .lane-title {
  background: var(--lime);
}

.fact-list dt,
.lane-index {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fact-list dd,
.lane p {
  margin: 0;
}

.lane-title {
  display: inline;
  font-family: var(--mono);
  font-size: 1rem;
}

.log-link {
  display: grid;
  grid-template-columns: minmax(11rem, 18rem) minmax(0, 1fr);
  gap: 0.75rem 1rem;
  border-top: 1px solid var(--line);
  padding: 0.75rem 0;
  color: inherit;
  text-decoration: none;
}

.step-list,
.log-list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.step-list li,
.log-list li,
.qa {
  border-top: 1px solid var(--line);
  padding: 0.75rem 0;
}

.step-list {
  counter-reset: step;
}

.step-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.7rem;
}

.step-list li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.trace-header {
  background: var(--ink);
  color: var(--panel);
}

.trace-header .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 1rem;
  align-items: end;
  padding: 1.4rem 0 1.2rem;
}

.trace-header .eyebrow {
  color: var(--lime);
}

.trace-header h1 {
  margin: 0;
  max-width: 22ch;
}

.trace-mark {
  width: 180px;
  height: 48px;
  justify-self: end;
}

.reading {
  width: min(var(--measure), calc(100% - 2.4rem));
  margin-top: 1.6rem;
  margin-bottom: 2.5rem;
  margin-left: max(1.2rem, calc((100% - var(--wide)) / 2));
  margin-right: 1.2rem;
  border-left: 2px solid var(--ink);
  padding: 0.2rem 0 0.2rem 1.2rem;
}

.reading .lead {
  margin-top: 0;
}

.mail-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.mail-form label {
  display: grid;
  gap: 0.3rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mail-form input,
.mail-form textarea {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--text);
  font: inherit;
  padding: 0.65rem 0.7rem;
  width: 100%;
  border-radius: 0;
}

.mail-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.instrument-footer {
  border-top: 1px solid var(--ink);
  margin-top: 1rem;
}

.footer-row {
  width: min(var(--wide), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.footer-id {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--mono);
}

.footer-meta,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
}

.footer-meta a,
.footer-links a {
  color: var(--text);
}

.footer-links a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2rem;
}

@media (max-width: 800px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
  }

  .tick-nav {
    display: none;
    flex-direction: column;
    border-bottom: 0;
  }

  .tick-nav[data-open="true"] {
    display: flex;
  }

  .tick,
  .tick-cta {
    margin-left: 0;
    border-bottom: 1px solid var(--ink);
  }

  .trace-header .wrap {
    grid-template-columns: 1fr;
  }

  .trace-mark {
    justify-self: start;
  }

  .reading {
    margin-left: 1.2rem;
    margin-right: 1.2rem;
  }

  .log-row,
  .lane,
  .log-link,
  .step-list li {
    grid-template-columns: 1fr;
  }
}

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

  .trace-path {
    animation: none;
    stroke-dashoffset: 0;
  }
}