:root {
  --forest: #111610;
  --forest-2: #20271d;
  --paper: #eee8db;
  --paper-2: #ddd6c8;
  --ink: #171c16;
  --ink-soft: #50584b;
  --signal: #d9ff75;
  --rust: #c95738;
  --rust-dark: #9f3d28;
  --white: #f3f5ed;
  --muted: #aeb7a6;
  --line-dark: rgba(243, 245, 237, 0.2);
  --line-light: rgba(23, 28, 22, 0.22);
  --display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  color: var(--white);
  background: var(--forest);
  font-family: var(--mono);
  line-height: 1.5;
  overflow-x: clip;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--signal);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(calc(100% - 3rem), var(--max));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line-dark);
  position: relative;
  z-index: 2;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--signal);
  font-size: 0.62rem;
  font-weight: 800;
}
.header-link,
.text-link {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.18rem;
}
.header-link:hover,
.text-link:hover { color: var(--signal); }

.hero {
  width: min(calc(100% - 3rem), var(--max));
  min-height: calc(100svh - 78px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  grid-template-rows: 1fr auto;
  gap: 2rem 5vw;
  align-items: center;
  padding: clamp(4rem, 9vw, 8rem) 0 2rem;
  position: relative;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--signal);
  font-size: 0.67rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow-dark { color: var(--rust-dark); }
h1, h2, h3, p { overflow-wrap: break-word; }
h1 {
  max-width: 820px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4.8rem, 10.5vw, 9.6rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}
h1 span {
  display: block;
  color: var(--signal);
}
.hero-lede {
  max-width: 640px;
  margin: 2rem 0 0;
  color: #d1d8ca;
  font-family: var(--serif);
  font-size: clamp(1.08rem, 2vw, 1.38rem);
  line-height: 1.55;
}
.hero-actions,
.result-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2rem;
}
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.035em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible,
.text-link:focus-visible,
.header-link:focus-visible,
.reset-button:focus-visible,
.check-row:focus-within {
  outline: 3px solid var(--rust);
  outline-offset: 4px;
}
.button-primary { color: var(--ink); background: var(--signal); }
.button-primary:hover { background: #e5ff9c; }
.button-dark { color: var(--white); background: var(--forest); }
.button-dark:hover { color: var(--ink); background: var(--signal); }

.signal-artifact {
  width: min(100%, 510px);
  aspect-ratio: 1;
  margin-left: auto;
  border: 1px solid var(--line-dark);
  position: relative;
  isolation: isolate;
}
.signal-artifact::before,
.signal-artifact::after {
  content: "";
  position: absolute;
  background: var(--signal);
  opacity: 0.45;
}
.signal-artifact::before { width: 34px; height: 1px; top: 22px; right: 22px; }
.signal-artifact::after { width: 1px; height: 34px; top: 6px; right: 38px; }
.signal-ring {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(217, 255, 117, 0.35);
  border-radius: 50%;
}
.signal-ring-two { inset: 28%; border-color: rgba(243, 245, 237, 0.22); }
.signal-axis { position: absolute; background: var(--line-dark); }
.signal-axis-x { left: 5%; right: 5%; top: 50%; height: 1px; }
.signal-axis-y { top: 5%; bottom: 5%; left: 50%; width: 1px; }
.signal-center {
  width: 38%;
  aspect-ratio: 1;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-5deg);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.2rem;
  color: var(--ink);
  background: var(--signal);
}
.signal-center span {
  font-family: var(--display);
  font-size: clamp(1.05rem, 2vw, 1.7rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  white-space: nowrap;
  text-transform: uppercase;
}
.signal-center b { font-size: 0.65rem; }
.signal-label {
  position: absolute;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.signal-top { left: 50%; top: 4%; transform: translateX(-50%); }
.signal-bottom { left: 50%; bottom: 4%; transform: translateX(-50%); }
.signal-left { left: 4%; top: 50%; transform: translateY(-50%) rotate(-90deg); }
.signal-right { right: 4%; top: 50%; transform: translateY(-50%) rotate(90deg); }
.signal-readout {
  position: absolute;
  padding: 0.36rem 0.46rem;
  color: var(--ink);
  background: var(--paper);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
}
.readout-one { left: 8%; top: 18%; transform: rotate(-3deg); }
.readout-two { right: 7%; bottom: 16%; color: var(--white); background: var(--rust); transform: rotate(2deg); }
.hero-footer {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.hero-footer span {
  padding: 0.8rem 1rem;
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
  border-right: 1px solid var(--line-dark);
}
.hero-footer span:last-child { border-right: 0; }

.check-section {
  color: var(--ink);
  background: var(--paper);
  padding: clamp(5rem, 10vw, 8rem) max(1.5rem, calc((100% - var(--max)) / 2));
}
.section-intro {
  max-width: 850px;
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}
.section-intro h2,
.systems-heading h2,
.guide-copy h2,
.closing-section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.3rem, 7vw, 7rem);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.065em;
  text-transform: uppercase;
}
.section-intro > p:last-child,
.systems-heading > p:last-child,
.closing-section > p {
  max-width: 680px;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.6;
}
.attention-form fieldset { margin: 0; padding: 0; border: 0; }
.check-row {
  min-height: 92px;
  display: grid;
  grid-template-columns: 30px 44px minmax(0, 1fr);
  align-items: center;
  gap: 1.2rem;
  border-top: 1px solid var(--line-light);
  cursor: pointer;
  position: relative;
}
.check-row:last-child { border-bottom: 1px solid var(--line-light); }
.check-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.check-box {
  width: 28px;
  height: 28px;
  border: 2px solid var(--ink);
  position: relative;
}
.check-row input:checked + .check-box { background: var(--rust); border-color: var(--rust); }
.check-row input:checked + .check-box::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 8px;
  height: 15px;
  border: solid var(--white);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}
.check-number { color: var(--rust-dark); font-size: 0.68rem; }
.check-copy {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.7vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-transform: uppercase;
}
.score-deck {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  background: var(--paper-2);
}
.meter-panel { padding: 2rem; border-right: 1px solid var(--line-light); }
.meter-head,
.meter-scale {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
#score-output { font-weight: 800; }
.meter-track {
  height: 64px;
  margin: 1.2rem 0 0.7rem;
  background: rgba(23, 28, 22, 0.09);
  position: relative;
  overflow: hidden;
}
.meter-fill {
  width: var(--fill);
  height: 100%;
  background: var(--rust);
  transition: width 420ms cubic-bezier(.2,.8,.2,1);
}
.meter-track i {
  position: absolute;
  left: var(--tick);
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(23, 28, 22, 0.28);
}
.meter-scale { color: var(--ink-soft); }
.form-action {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}
.form-action p { margin: 0; color: var(--ink-soft); font-family: var(--serif); }
.result-panel {
  margin-top: 1.5rem;
  padding: clamp(2rem, 5vw, 4rem);
  color: var(--white);
  background: var(--forest);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
}
.result-panel[hidden] { display: none; }
.result-label {
  margin: 0 0 0.8rem;
  color: var(--signal);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.result-panel h3 {
  max-width: 720px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 5.7rem);
  line-height: 0.88;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}
.result-panel #result-copy {
  max-width: 650px;
  color: #d1d8ca;
  font-family: var(--serif);
  font-size: 1.1rem;
}
.result-actions { margin: 0; align-items: flex-start; flex-direction: column; }
.reset-button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  font-size: 0.7rem;
  cursor: pointer;
}
.noscript-note { padding: 1rem; border: 1px solid var(--line-light); }

.systems-section {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: clamp(6rem, 11vw, 10rem) 0;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}
.systems-heading { position: sticky; top: 2rem; }
.systems-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  position: relative;
}
.systems-grid article {
  min-height: 270px;
  padding: 1.8rem;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.systems-grid article > span { color: var(--signal); font-size: 0.65rem; }
.systems-grid h3 {
  margin: 3rem 0 0.8rem;
  font-family: var(--display);
  font-size: 2rem;
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.systems-grid p { margin: 0; color: var(--muted); font-family: var(--serif); }
.systems-center {
  width: 118px;
  aspect-ratio: 1;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-4deg);
  display: grid;
  place-items: center;
  padding: 1rem;
  color: var(--ink);
  background: var(--signal);
  font-family: var(--display);
  font-weight: 900;
  line-height: 0.9;
  text-align: center;
  text-transform: uppercase;
}

.guide-section {
  color: var(--ink);
  background: var(--paper);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}
.guide-artifact {
  padding: clamp(3rem, 7vw, 7rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  padding-right: clamp(2rem, 5vw, 5rem);
  background: var(--rust);
  overflow: hidden;
}
.guide-image-wrap {
  width: min(100%, 700px);
  background: var(--white);
  padding: 0.7rem;
  transform: rotate(-2deg);
}
.guide-image-wrap img { width: 100%; }
.guide-artifact > p {
  max-width: 500px;
  margin: 2rem 0 0;
  color: var(--white);
  font-family: var(--serif);
  font-size: 1.05rem;
}
.guide-copy { padding: clamp(4rem, 8vw, 8rem) max(1.5rem, calc((100vw - var(--max)) / 2)); padding-left: clamp(2.5rem, 6vw, 6rem); }
.day-list { margin: 3rem 0; padding: 0; list-style: none; border-top: 1px solid var(--line-light); }
.day-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1.4rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line-light);
}
.day-list span { color: var(--rust-dark); font-size: 0.68rem; text-transform: uppercase; }
.day-list b { font-family: var(--serif); font-size: 1.08rem; }
.fine-print { color: var(--ink-soft); font-size: 0.68rem; }

.closing-section {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: clamp(7rem, 14vw, 13rem) 0;
  text-align: center;
}
.closing-section h2 { max-width: 980px; margin-inline: auto; }
.closing-section > p { max-width: 720px; margin-inline: auto; color: #d1d8ca; }
.closing-section .button { margin-top: 2.5rem; }
.site-footer {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 2rem;
  border-top: 1px solid var(--line-dark);
  color: var(--muted);
  font-size: 0.62rem;
}
.site-footer div { display: flex; flex-direction: column; gap: 0.4rem; text-transform: uppercase; }
.site-footer p { max-width: 700px; margin: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 941px) and (max-height: 920px) {
  .hero { padding-top: 1.5rem; gap: 2rem 4vw; }
  h1 { font-size: clamp(4.8rem, 8vw, 7.2rem); line-height: 0.82; }
  .hero-lede { max-width: 590px; margin-top: 1.2rem; font-size: 1.05rem; }
  .hero-actions { margin-top: 1.2rem; }
  .signal-artifact { max-width: 410px; }
}

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; }
  .signal-artifact { width: min(78vw, 510px); margin: 1rem auto 0; }
  .hero-footer { grid-template-columns: 1fr 1fr; }
  .hero-footer span:nth-child(2) { border-right: 0; }
  .hero-footer span:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .systems-section { grid-template-columns: 1fr; }
  .systems-heading { position: static; }
  .guide-section { grid-template-columns: 1fr; }
  .guide-artifact, .guide-copy { padding: clamp(3rem, 8vw, 5rem) max(1.5rem, calc((100vw - 760px) / 2)); }
}

@media (max-width: 700px) {
  .site-header { width: min(calc(100% - 2rem), var(--max)); min-height: 68px; }
  .brand span:last-child { display: none; }
  .header-link { font-size: 0.66rem; }
  .hero,
  .systems-section,
  .closing-section,
  .site-footer { width: min(calc(100% - 2rem), var(--max)); }
  .hero { min-height: auto; padding-top: 4rem; }
  h1 { font-size: clamp(4rem, 20vw, 6rem); }
  .hero-lede { font-size: 1.08rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .signal-artifact { width: 100%; max-width: 430px; }
  .section-intro h2,
  .systems-heading h2,
  .guide-copy h2,
  .closing-section h2 { font-size: clamp(3rem, 15vw, 4.8rem); }
  .check-row {
    grid-template-columns: 28px 30px minmax(0, 1fr);
    min-height: 86px;
    gap: 0.75rem;
  }
  .check-box { width: 26px; height: 26px; }
  .check-copy { font-size: 1.28rem; }
  .score-deck { grid-template-columns: 1fr; }
  .meter-panel { border-right: 0; border-bottom: 1px solid var(--line-light); }
  .result-panel { grid-template-columns: 1fr; }
  .result-actions { align-items: flex-start; }
  .systems-grid { grid-template-columns: 1fr; }
  .systems-grid article { min-height: auto; padding: 1.6rem; }
  .systems-grid h3 { margin-top: 1.8rem; }
  .systems-center { display: none; }
  .day-list li { grid-template-columns: 66px 1fr; gap: 0.8rem; }
  .site-footer { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
  h1 { font-size: 3.55rem; }
  .hero-footer { grid-template-columns: 1fr; }
  .hero-footer span { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .hero-footer span:last-child { border-bottom: 0; }
  .signal-center span { font-size: 1rem; }
  .check-section { padding-left: 1rem; padding-right: 1rem; }
  .check-row { gap: 0.55rem; }
  .check-copy { font-size: 1.12rem; }
  .button { width: 100%; }
  .hero-actions .text-link { margin-left: 0.2rem; }
}

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