:root {
  --paper: #f7f4ef;
  --surface: #fffefb;
  --ink: #181714;
  --muted: #66625c;
  --line: #d8d2c9;
  --line-dark: #aaa39a;
  --orange: #df6b32;
  --orange-dark: #a8471f;
  --peach: #f7dfcf;
  --peach-soft: #fbefe7;
  --green: #2b9d68;
  --green-dark: #176946;
  --green-soft: #e3f2e9;
  --yellow: #dda52b;
  --yellow-soft: #f9efcf;
  --plum: #826174;
  --plum-soft: #f0e8ed;
  --grey-soft: #ebe9e5;
  --shadow: 0 14px 40px rgba(31, 28, 23, 0.08);
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 0.5rem;
  z-index: 100;
  transform: translateY(-150%);
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: white;
  border-radius: 999px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.75rem;
  padding: 0.65rem max(1rem, env(safe-area-inset-left));
  background: rgba(247, 244, 239, 0.92);
  border-bottom: 1px solid rgba(170, 163, 154, 0.6);
  backdrop-filter: blur(16px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark-dot {
  width: 0.72rem;
  height: 0.72rem;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 1rem 0 0 var(--yellow), 2rem 0 0 var(--green);
  margin-right: 2rem;
}

.share-button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.75rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font: 700 0.78rem/1 var(--sans);
  cursor: pointer;
}

.share-button svg {
  width: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.hero,
.section,
.site-footer {
  width: min(100%, 76rem);
  margin-inline: auto;
}

.hero {
  padding: 4rem 1.15rem 2.5rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--orange-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  text-wrap: balance;
}

h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.25rem, 8.2vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.93;
  text-wrap: wrap;
}

.title-sentence {
  display: block;
}

.hero-intro {
  max-width: 43rem;
  margin: 2rem 0 0;
  color: #4e4a45;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 4.7vw, 1.8rem);
  line-height: 1.35;
}

.section {
  padding: 3.25rem 1.15rem;
}

.section-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--ink);
}

.section-number {
  margin: 0.55rem 0 0;
  color: var(--orange);
  font: 800 0.7rem/1 var(--sans);
  letter-spacing: 0.08em;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 10vw, 4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.section-heading p:last-child {
  max-width: 44rem;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.priority-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.priority-card {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.9rem;
  padding: 1.15rem 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.priority-number {
  color: var(--orange);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.7rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
}

.status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.55rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.055em;
  line-height: 1;
  text-transform: uppercase;
}

.status-peer {
  color: var(--green-dark);
  background: var(--green-soft);
}

.status-foundational {
  color: #393633;
  background: var(--grey-soft);
}

.status-working,
.status-preprint {
  color: var(--orange-dark);
  background: var(--peach-soft);
}

.status-essay,
.status-report {
  color: #69495b;
  background: var(--plum-soft);
}

.status-industry {
  color: #76550d;
  background: var(--yellow-soft);
}

.priority-card h3,
.compact-card h3,
.sector-card h3 {
  margin: 0.75rem 0 0;
  font-size: clamp(1.65rem, 7vw, 2.5rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.priority-card .dek,
.sector-card .dek {
  margin: 0.55rem 0 0;
  color: var(--orange-dark);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.priority-card p:not(.dek):not(.insights-link),
.compact-card p,
.sector-card p:not(.dek) {
  margin: 0.9rem 0 0;
  color: #4f4b46;
  font-size: 0.92rem;
}

.insights-link {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.88rem;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding: 0.75rem 0.9rem;
  color: white;
  background: var(--ink);
  border: 1px solid var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
}

.supporting-links {
  border: 1px solid var(--line);
}

.supporting-links summary {
  position: relative;
  padding: 0.72rem 2.25rem 0.72rem 0.85rem;
  font-size: 0.76rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.supporting-links summary::-webkit-details-marker,
.provocation summary::-webkit-details-marker {
  display: none;
}

.supporting-links summary::after {
  position: absolute;
  right: 0.9rem;
  content: "+";
  font-size: 1rem;
  font-weight: 500;
}

.supporting-links[open] summary::after {
  content: "−";
}

.details-body {
  display: grid;
  border-top: 1px solid var(--line);
}

.details-body a {
  padding: 0.8rem 0.85rem;
  color: var(--orange-dark);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.details-body a + a {
  border-top: 1px solid var(--line);
}

.provocations-section {
  background: #f0ede7;
}

.provocation-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.provocation {
  background: var(--surface);
  border: 1px solid var(--line);
}

.provocation > summary {
  display: grid;
  grid-template-columns: 2rem 1fr 1.5rem;
  gap: 0.7rem;
  align-items: start;
  min-height: 5rem;
  padding: 1rem;
  cursor: pointer;
  list-style: none;
}

.provocation-index {
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  color: white;
  background: var(--orange);
  border-radius: 50%;
  font: 800 0.7rem/1 var(--sans);
}

.provocation summary strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.provocation summary small {
  display: block;
  margin-top: 0.42rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.35;
}

.toggle-mark {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
}

.toggle-mark::before,
.toggle-mark::after {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.9rem;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.toggle-mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.provocation[open] .toggle-mark::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.provocation-body {
  display: grid;
  gap: 0.75rem;
  padding: 0 1rem 1rem;
}

.begin-with {
  margin: 0;
  padding: 0.85rem;
  color: var(--green-dark);
  background: var(--green-soft);
  font-size: 0.78rem;
  font-weight: 750;
}

.begin-with a {
  text-underline-offset: 0.18em;
}

.compact-card {
  padding: 1rem;
  border: 1px solid var(--line);
}

.compact-card h3 {
  font-size: 1.45rem;
}

.text-link {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--orange-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.sector-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.sector-card {
  padding: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.sector-card .primary-link {
  margin-top: 1.1rem;
}

.method-section {
  padding-top: 1.25rem;
}

.method-card {
  padding: 1.3rem;
  color: white;
  background: var(--ink);
}

.method-card .eyebrow {
  color: #f0a278;
}

.method-card h2 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.05;
}

.method-card > p:not(.eyebrow) {
  margin: 0.9rem 0 0;
  color: #d6d1ca;
  font-size: 0.88rem;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.site-footer {
  display: grid;
  gap: 0.3rem;
  padding: 1.5rem 1.15rem calc(2rem + env(safe-area-inset-bottom));
  color: var(--muted);
  border-top: 1px solid var(--line-dark);
  font-size: 0.7rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--ink);
  font-weight: 750;
  text-underline-offset: 0.18em;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 30;
  padding: 0.7rem 1rem;
  color: white;
  background: var(--ink);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 0.78rem;
  font-weight: 750;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 1rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 21.25rem) {
  h1 {
    font-size: 2.05rem;
    text-wrap: wrap;
  }

  .title-sentence > span {
    display: block;
  }
}

@media (min-width: 44rem) {
  .site-header {
    padding-inline: 2rem;
  }

  .hero,
  .section {
    padding-inline: 2rem;
  }

  .hero {
    padding-top: 6rem;
  }

  .priority-card {
    grid-template-columns: 3.5rem 1fr;
    gap: 1.3rem;
    padding: 1.6rem;
  }

  .priority-number {
    font-size: 1.35rem;
  }

  .card-actions {
    flex-direction: row;
    align-items: start;
  }

  .primary-link {
    min-width: 12rem;
  }

  .supporting-links {
    min-width: 15rem;
  }

  .provocation > summary {
    grid-template-columns: 2.5rem 1fr 2rem;
    padding: 1.3rem;
  }

  .provocation summary strong {
    font-size: 1.55rem;
  }

  .provocation-body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0 1.3rem 1.3rem;
  }

  .begin-with {
    grid-column: 1 / -1;
  }

  .sector-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    padding-inline: 2rem;
  }
}

@media (min-width: 70rem) {
  .hero {
    padding-top: 7.5rem;
    padding-bottom: 5rem;
  }

  .section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .priority-card {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    padding: 2rem;
  }

  .priority-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
    column-gap: 3rem;
  }

  .priority-content .card-meta,
  .priority-content h3,
  .priority-content .dek,
  .priority-content .insights-link {
    grid-column: 1;
  }

  .priority-content > p:not(.dek):not(.insights-link) {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
    padding-left: 2rem;
    border-left: 1px solid var(--line);
  }

  .priority-content .card-actions {
    grid-column: 1 / -1;
  }

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

  .method-card {
    display: grid;
    grid-template-columns: minmax(16rem, 0.65fr) 1fr;
    column-gap: 4rem;
    padding: 2.25rem;
  }

  .method-card .eyebrow,
  .method-card h2 {
    grid-column: 1;
  }

  .method-card > p:not(.eyebrow),
  .legend {
    grid-column: 2;
  }

  .method-card > p:not(.eyebrow) {
    grid-row: 1 / span 2;
    margin-top: 0;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .share-button,
  .toast {
    display: none !important;
  }

  body {
    background: white;
  }

  .priority-card,
  .sector-card {
    break-inside: avoid;
    box-shadow: none;
  }
}