:root {
  color-scheme: light;
  --paper: #f3ecde;
  --paper-bright: #fbf7ef;
  --ink: #171411;
  --muted: #65584d;
  --line: rgba(23, 20, 17, 0.18);
  --line-strong: rgba(23, 20, 17, 0.34);
  --red: #b6402c;
  --blue: #2750bf;
  --gold: #bd8d2f;
  --olive: #6f7e34;
  --teal: #126c72;
  --charcoal: #171411;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(112deg, rgba(182, 64, 44, 0.13) 0, rgba(182, 64, 44, 0.13) 18%, transparent 18%, transparent 100%),
    linear-gradient(180deg, #f8f2e5 0%, #efe6d4 54%, #e7ddca 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 34px 34px;
}

button {
  font: inherit;
}

.broadside {
  width: min(1380px, calc(100vw - 26px));
  margin: 0 auto;
  padding: 22px 0 34px;
}

.topline,
.masthead,
.coverage-field,
.focus-band {
  position: relative;
  z-index: 1;
}

.topline {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow,
.focus-kicker,
.notes-label,
.focus-facts dt,
.mix-label,
.mix-value {
  margin: 0;
  color: var(--muted);
  font: 700 0.76rem/1.2 "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.notes-button,
.notes-close {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: rgba(251, 247, 239, 0.74);
  color: var(--ink);
  padding: 8px 12px;
  cursor: pointer;
  font: 700 0.72rem/1.2 "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.notes-button:hover,
.notes-button:focus-visible,
.notes-close:hover,
.notes-close:focus-visible {
  background: rgba(23, 20, 17, 0.07);
  outline: none;
}

.masthead {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--ink);
}

h1,
h2,
.subset-count,
.focus-count {
  font-family: "Avenir Next Condensed", "Arial Narrow", "Avenir Next", "Segoe UI", sans-serif;
}

h1 {
  margin: 0;
  max-width: 980px;
  font-size: clamp(3.4rem, 8.6vw, 7.3rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
}

.caption {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.38;
}

.coverage-field {
  display: grid;
  gap: 16px;
}

.major-tier {
  display: grid;
  gap: 12px;
}

.middle-tier {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
  padding: 4px 0 6px;
}

.tail-tier {
  columns: 4 220px;
  column-gap: 24px;
  padding-top: 6px;
  border-top: 1px solid var(--line);
}

.subset-band,
.subset-step,
.tail-line {
  appearance: none;
  width: 100%;
  border: none;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 140ms ease, color 140ms ease, background-color 140ms ease;
}

.subset-band:hover,
.subset-band:focus-visible,
.subset-step:hover,
.subset-step:focus-visible,
.tail-line:hover,
.tail-line:focus-visible {
  transform: translateX(3px);
  outline: none;
}

.subset-band {
  min-height: clamp(118px, 18vw, 180px);
  padding: 16px 18px 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  border-top: 3px solid var(--band-color);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.08)),
    linear-gradient(90deg, var(--band-tint) 0%, transparent 72%);
}

.subset-band.is-active,
.subset-step.is-active,
.tail-line.is-active {
  color: var(--ink);
}

.subset-band.is-active {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.1)),
    linear-gradient(90deg, var(--band-tint-strong) 0%, transparent 82%);
}

.band-name {
  align-self: start;
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  line-height: 0.96;
}

.subset-count {
  margin: 0;
  font-size: clamp(4.5rem, 15vw, 9rem);
  line-height: 0.78;
  letter-spacing: -0.09em;
}

.subset-step {
  min-height: var(--step-height);
  padding: 10px 0 10px 10px;
  display: grid;
  align-content: space-between;
  gap: 8px;
  border-top: 10px solid var(--step-color);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--step-tint) 0%, rgba(255, 255, 255, 0) 72%);
}

.step-name,
.tail-name {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.02;
}

.step-count,
.tail-count {
  margin: 0;
  color: var(--step-color);
  font: 700 clamp(1.4rem, 3.1vw, 2rem)/0.92 "Avenir Next Condensed", "Arial Narrow", sans-serif;
  letter-spacing: -0.05em;
}

.tail-line {
  margin: 0 0 10px;
  padding: 0 0 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  break-inside: avoid;
  border-bottom: 1px solid rgba(23, 20, 17, 0.1);
}

.tail-line.is-active {
  background:
    linear-gradient(90deg, var(--tail-active, rgba(39, 80, 191, 0.16)) 0%, transparent 50%);
}

.focus-band {
  margin-top: 18px;
  padding: 16px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr) minmax(260px, 1fr);
  gap: 18px;
  align-items: start;
  border-top: 6px solid var(--ink);
}

.focus-primary {
  display: grid;
  gap: 4px;
}

.focus-primary h2 {
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 4.9rem);
  line-height: 0.84;
  letter-spacing: -0.07em;
}

.focus-count {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1;
}

.focus-context {
  margin: 2px 0 0;
  color: var(--muted);
  font: 700 0.78rem/1.2 "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.focus-facts {
  margin: 0;
  display: grid;
  gap: 8px;
}

.focus-facts div {
  display: grid;
  gap: 3px;
  padding-top: 7px;
  border-top: 1px solid var(--line);
}

.focus-facts dd {
  margin: 0;
  font-size: 1rem;
}

.mix-chart {
  display: grid;
  gap: 8px;
}

.mix-row {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.mix-bar {
  position: relative;
  height: 10px;
  background: rgba(23, 20, 17, 0.08);
}

.mix-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--width);
  background: var(--fill);
}

.notes-dialog {
  padding: 0;
  border: none;
  background: transparent;
}

.notes-dialog::backdrop {
  background: rgba(23, 20, 17, 0.28);
  backdrop-filter: blur(4px);
}

.notes-card {
  width: min(560px, calc(100vw - 24px));
  border: 1px solid var(--line-strong);
  background: var(--paper-bright);
  padding: 18px;
  display: grid;
  gap: 12px;
}

.notes-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.notes-card h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.notes-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.42;
}

@media (max-width: 1080px) {
  .middle-tier {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .focus-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .broadside {
    width: min(100vw - 18px, 100%);
    padding-top: 18px;
  }

  .middle-tier {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tail-tier {
    columns: 2 160px;
  }

  .subset-band {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 520px) {
  .middle-tier {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tail-tier {
    columns: 1;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}