:root {
  --paper: #f2efe7;
  --paper-deep: #e7e0d3;
  --ink: #171814;
  --ink-soft: #45473f;
  --vermilion: #c13d2a;
  --moss: #6e7457;
  --rule: rgba(23, 24, 20, 0.2);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: Avenir, "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: min(100% - 48px, 1240px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 24, 20, 0.026) 1px, transparent 1px) 0 0 / 100% 32px,
    var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  opacity: 0.22;
  background-image: radial-gradient(rgba(23, 24, 20, 0.16) 0.55px, transparent 0.55px);
  background-size: 7px 7px;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

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

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--vermilion);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 16px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  width: var(--page);
  min-height: 76px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  background: rgba(242, 239, 231, 0.94);
}

.site-header::before {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: -1;
  height: 76px;
  content: "";
  background: rgba(242, 239, 231, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand img {
  display: block;
  border-radius: 50%;
}

.site-header nav,
footer nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
}

.site-header nav a,
footer nav a {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-header nav a:hover,
footer nav a:hover {
  color: var(--vermilion);
}

main > section,
footer {
  width: var(--page);
  margin-inline: auto;
}

.hero {
  display: grid;
  min-height: min(780px, calc(100vh - 76px));
  grid-template-columns: minmax(0, 1.42fr) minmax(340px, 0.74fr);
  gap: clamp(52px, 8vw, 124px);
  align-items: center;
  padding-block: clamp(70px, 11vw, 144px);
}

.eyebrow,
.section-number,
.proof-label {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--vermilion);
}

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

h1,
h2 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.97;
}

h1 {
  max-width: 850px;
  margin-bottom: 30px;
  font-size: clamp(66px, 8.2vw, 126px);
}

h2 {
  font-size: clamp(48px, 6vw, 84px);
}

h3 {
  font-size: 20px;
  line-height: 1.25;
}

.hero-deck {
  max-width: 730px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 29px);
  line-height: 1.38;
}

.install {
  display: flex;
  width: min(100%, 570px);
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.24);
}

.install code {
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: clamp(14px, 1.5vw, 17px);
}

.install code span {
  margin-right: 8px;
  color: var(--vermilion);
}

.install button {
  align-self: stretch;
  min-width: 92px;
  border: 0;
  border-left: 1px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
  font: 800 12px/1 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 160ms var(--ease), background 160ms var(--ease);
}

.install button:hover {
  color: var(--ink);
  background: var(--vermilion);
}

.hero-actions {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.button.primary {
  padding: 0 22px;
  color: var(--paper);
  background: var(--vermilion);
}

.button.primary:hover {
  background: var(--ink);
}

.text-link {
  border-bottom: 1px solid var(--ink);
}

.hero-proof {
  position: relative;
  padding: 170px 0 0;
  align-self: stretch;
}

.watch-mark {
  position: absolute;
  top: 18px;
  right: 0;
  left: 0;
  height: 128px;
  border-top: 18px solid var(--ink);
  border-radius: 50% 50% 0 0;
}

.watch-mark::before,
.watch-mark::after {
  position: absolute;
  top: -18px;
  width: 60px;
  height: 24px;
  content: "";
  border-top: 5px solid var(--vermilion);
}

.watch-mark::before {
  left: 34px;
  transform: rotate(18deg);
}

.watch-mark::after {
  right: 34px;
  transform: rotate(-18deg);
}

.eye {
  position: absolute;
  top: 20px;
  width: 86px;
  height: 86px;
  border: 20px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 8px var(--vermilion);
}

.eye::after {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 16px;
  height: 16px;
  content: "";
  border-radius: 50%;
  background: var(--ink);
}

.eye.left {
  left: 50%;
  transform: translateX(-100%);
}

.eye.right {
  right: 50%;
  transform: translateX(100%);
}

.beak {
  position: absolute;
  top: 75px;
  left: 50%;
  width: 0;
  height: 0;
  border-top: 52px solid var(--ink);
  border-right: 22px solid transparent;
  border-left: 22px solid transparent;
  transform: translateX(-50%);
}

.proof-label {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
}

.hero-proof ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-proof li {
  display: grid;
  grid-template-columns: 42px 1fr;
  padding: 17px 0;
  border-bottom: 1px solid var(--rule);
}

.hero-proof li > span {
  grid-row: 1 / 3;
  color: var(--vermilion);
  font: 700 11px/1.3 var(--mono);
}

.hero-proof strong {
  font-size: 15px;
}

.hero-proof small {
  color: var(--ink-soft);
  font: 12px/1.55 var(--mono);
}

.ledger {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--ink);
}

.ledger div {
  min-height: 178px;
  padding: 28px clamp(22px, 4vw, 52px);
}

.ledger div + div {
  border-left: 1px solid var(--ink);
}

.ledger strong {
  display: block;
  margin-bottom: 12px;
  color: var(--vermilion);
  font: 500 clamp(44px, 5vw, 68px)/1 var(--serif);
  letter-spacing: -0.05em;
}

.ledger span {
  display: block;
  max-width: 250px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.manifesto {
  display: grid;
  grid-template-columns: 0.3fr 1.1fr 0.9fr;
  gap: clamp(30px, 6vw, 90px);
  padding-block: clamp(110px, 15vw, 200px);
}

.section-number {
  padding-top: 8px;
  writing-mode: vertical-rl;
}

.manifesto h2,
.principles h2 {
  margin-bottom: 0;
}

.manifesto-body {
  padding-top: 42px;
  color: var(--ink-soft);
}

.manifesto-body .lead,
.agent-copy .lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.4;
}

.manifesto-body strong {
  color: var(--vermilion);
}

.finding-section {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: clamp(44px, 8vw, 120px);
  padding-bottom: clamp(110px, 14vw, 190px);
}

.finding-intro {
  padding-top: 38px;
}

.finding-intro h2 {
  font-size: clamp(42px, 5.2vw, 72px);
}

.finding-intro > p:last-child {
  color: var(--ink-soft);
}

.finding-window {
  margin: 0;
  border: 1px solid var(--ink);
  background: #1d1e1a;
  color: #f1ede2;
  box-shadow: 18px 18px 0 var(--vermilion);
}

.finding-window figcaption,
.finding-meta,
.finding-title-row,
.fix {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.finding-window figcaption {
  padding: 14px 18px;
  border-bottom: 1px solid #4b4c44;
  font: 700 11px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 5px;
  border-radius: 50%;
  background: #c7bd74;
}

.finding-meta {
  justify-content: flex-start;
  padding: 22px 24px 8px;
  color: #aaa99f;
  font: 11px/1.3 var(--mono);
}

.severity {
  padding: 5px 7px;
  color: var(--paper);
  background: var(--vermilion);
  font-weight: 800;
  text-transform: uppercase;
}

.finding-title-row {
  padding: 12px 24px 20px;
}

.finding-title-row strong {
  font: 500 24px/1.2 var(--serif);
}

.finding-title-row span {
  color: #aaa99f;
  font: 11px/1.3 var(--mono);
  white-space: nowrap;
}

.finding-window pre {
  overflow-x: auto;
  margin: 0;
  padding: 24px;
  border-block: 1px solid #4b4c44;
  color: #f1ede2;
  font: 13px/1.75 var(--mono);
}

.finding-window .line {
  display: block;
  width: max-content;
  min-width: 100%;
}

.finding-window .muted {
  color: #aaa99f;
}

.finding-window .hot {
  color: #fff;
  background: rgba(217, 79, 54, 0.22);
}

.finding-window .note {
  color: #df7a62;
}

.fix {
  align-items: flex-start;
  justify-content: flex-start;
  padding: 24px;
}

.fix-index {
  min-width: 120px;
  color: #df7a62;
  font: 700 11px/1.4 var(--mono);
  text-transform: uppercase;
}

.fix p {
  margin-bottom: 10px;
}

.fix code {
  color: #c7cab7;
  font: 11px/1.65 var(--mono);
}

.principles {
  display: grid;
  grid-template-columns: 0.22fr repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  padding-block: clamp(90px, 12vw, 150px);
}

.principles-intro {
  grid-column: 2 / 5;
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 50px;
  margin-bottom: 90px;
}

.principles .section-number {
  grid-row: 1 / 3;
}

.principles article {
  position: relative;
  grid-row: 2;
  padding: 32px 32px 0;
  border-left: 1px solid var(--ink);
}

.article-number {
  display: block;
  margin-bottom: 56px;
  color: var(--vermilion);
  font: 500 48px/1 var(--serif);
}

.principles article p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.frameworks {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: clamp(50px, 9vw, 140px);
  padding-block: clamp(90px, 12vw, 150px);
  border-top: 1px solid var(--ink);
}

.frameworks h2 {
  font-size: clamp(46px, 5vw, 70px);
}

.frameworks > div > p:last-child {
  max-width: 500px;
  color: var(--ink-soft);
}

.frameworks ul {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, 1fr);
  list-style: none;
  counter-reset: frameworks;
}

.frameworks li {
  position: relative;
  min-height: 78px;
  padding: 23px 16px 18px 56px;
  border-bottom: 1px solid var(--rule);
  font: 500 clamp(20px, 2.4vw, 31px)/1.15 var(--serif);
  counter-increment: frameworks;
}

.frameworks li:nth-child(odd) {
  border-right: 1px solid var(--rule);
}

.frameworks li::before {
  position: absolute;
  top: 26px;
  left: 10px;
  color: var(--vermilion);
  content: counter(frameworks, decimal-leading-zero);
  font: 700 10px/1 var(--mono);
}

.agents {
  position: relative;
  display: grid;
  width: 100%;
  max-width: none;
  padding: clamp(100px, 12vw, 160px) max(24px, calc((100vw - 1240px) / 2));
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: clamp(70px, 10vw, 160px);
  color: var(--paper);
  background: var(--ink);
}

.agents::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  content: "";
  background: rgba(242, 239, 231, 0.15);
}

.agents .eyebrow,
.agents .section-number {
  color: #a9aa9d;
}

.agent-copy h2 {
  max-width: 760px;
}

.agent-copy .lead {
  max-width: 710px;
  color: #e6dfd1;
}

.agent-command {
  display: inline-block;
  margin: 18px 0 26px;
  padding: 16px 19px;
  border: 1px solid #66675f;
  color: #fff;
  font: 14px/1 var(--mono);
}

.agent-command::before {
  margin-right: 10px;
  color: var(--vermilion);
  content: "$";
}

.agent-safety {
  max-width: 640px;
  color: #a9aa9d;
  font-size: 14px;
}

.tool-list {
  margin: 116px 0 0;
}

.tool-list > div {
  display: grid;
  padding: 22px 0;
  grid-template-columns: 0.65fr 1fr;
  gap: 22px;
  border-bottom: 1px solid #4b4c44;
}

.tool-list dt {
  color: #df7a62;
  font: 12px/1.4 var(--mono);
}

.tool-list dd {
  margin: 0;
  color: #d2cfc6;
  font-size: 14px;
}

.limits {
  padding-block: clamp(110px, 14vw, 180px);
}

.limits > div:first-child {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 80px;
}

.limits h2 {
  max-width: 920px;
}

.reach {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.reach article {
  min-height: 330px;
  padding: clamp(32px, 5vw, 66px);
  border: 1px solid var(--ink);
}

.reach article + article {
  border-left: 0;
}

.reach .out-of-reach {
  color: var(--paper);
  background: var(--vermilion);
}

.reach p {
  color: var(--ink-soft);
}

.reach .out-of-reach p {
  color: #fbede8;
}

.reach a {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.answers {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: clamp(60px, 10vw, 150px);
  padding-block: clamp(90px, 12vw, 150px);
  border-top: 1px solid var(--ink);
}

.answers h2 {
  font-size: clamp(50px, 5vw, 72px);
}

.question-list {
  border-top: 1px solid var(--ink);
}

.question-list details {
  border-bottom: 1px solid var(--ink);
}

.question-list summary {
  position: relative;
  padding: 26px 52px 26px 0;
  font: 500 clamp(20px, 2vw, 26px)/1.3 var(--serif);
  cursor: pointer;
  list-style: none;
}

.question-list summary::-webkit-details-marker {
  display: none;
}

.question-list summary::after {
  position: absolute;
  top: 26px;
  right: 4px;
  color: var(--vermilion);
  content: "+";
  font: 300 30px/1 var(--sans);
}

.question-list details[open] summary::after {
  content: "−";
}

.question-list details p {
  max-width: 700px;
  padding: 0 50px 28px 0;
  color: var(--ink-soft);
}

.question-list code {
  font: 0.88em var(--mono);
}

.closing {
  padding-block: clamp(110px, 15vw, 190px);
  border-top: 1px solid var(--ink);
  text-align: center;
}

.closing img {
  display: block;
  margin: 0 auto 30px;
  border-radius: 50%;
}

.closing h2 {
  margin: 0 auto 48px;
}

.closing-install {
  margin-inline: auto;
  text-align: left;
}

.closing-note {
  margin-top: 26px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

footer {
  display: grid;
  min-height: 180px;
  grid-template-columns: 0.55fr 1fr auto;
  gap: 48px;
  align-items: center;
  border-top: 1px solid var(--ink);
}

footer p {
  max-width: 450px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 16px;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-proof {
    min-height: 480px;
    padding-top: 190px;
  }

  .watch-mark {
    max-width: 420px;
    margin-inline: auto;
  }

  .manifesto {
    grid-template-columns: 50px 1fr;
  }

  .manifesto-body {
    grid-column: 2;
  }

  .finding-section,
  .frameworks,
  .answers {
    grid-template-columns: 1fr;
  }

  .principles {
    grid-template-columns: 50px 1fr;
  }

  .principles-intro {
    grid-column: 2;
    grid-template-columns: 1fr;
    margin-bottom: 36px;
  }

  .principles article {
    grid-column: 2;
    grid-row: auto;
    padding: 32px 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .article-number {
    margin-bottom: 22px;
  }

  .agents {
    grid-template-columns: 1fr;
  }

  .agents::before {
    display: none;
  }

  .tool-list {
    margin-top: 0;
  }

  .limits > div:first-child {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr 1fr;
    padding-block: 42px;
  }

  footer p {
    grid-column: 1 / 3;
    grid-row: 1;
  }
}

@media (max-width: 680px) {
  :root {
    --page: min(100% - 32px, 1240px);
  }

  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 66px;
  }

  .site-header::before {
    height: 66px;
  }

  .site-header nav {
    gap: 15px;
  }

  .site-header nav a {
    font-size: 10px;
  }

  .site-header nav a:first-child {
    display: none;
  }

  .brand span {
    display: none;
  }

  .hero {
    min-height: 0;
    padding-block: 70px 100px;
  }

  h1 {
    font-size: clamp(58px, 19vw, 86px);
  }

  .hero-deck {
    font-size: 21px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-proof {
    min-height: 440px;
  }

  .ledger {
    grid-template-columns: 1fr;
  }

  .ledger div {
    min-height: 136px;
  }

  .ledger div + div {
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .manifesto,
  .principles {
    grid-template-columns: 1fr;
  }

  .section-number {
    padding-top: 0;
    writing-mode: initial;
  }

  .manifesto-heading,
  .manifesto-body,
  .principles-intro,
  .principles article {
    grid-column: 1;
  }

  .manifesto-body {
    padding-top: 0;
  }

  .finding-window {
    width: calc(100% - 10px);
    box-shadow: 10px 10px 0 var(--vermilion);
  }

  .finding-meta,
  .finding-title-row,
  .fix {
    align-items: flex-start;
    flex-direction: column;
  }

  .finding-window pre {
    padding: 20px 14px;
    font-size: 11px;
  }

  .frameworks ul {
    grid-template-columns: 1fr;
  }

  .frameworks li:nth-child(odd) {
    border-right: 0;
  }

  .agents {
    grid-template-columns: 1fr;
  }

  .tool-list > div {
    grid-template-columns: 1fr;
  }

  .limits > div:first-child {
    gap: 20px;
  }

  .reach {
    grid-template-columns: 1fr;
  }

  .reach article + article {
    border-top: 0;
    border-left: 1px solid var(--ink);
  }

  .install code {
    padding-inline: 13px;
    font-size: 12px;
  }

  .install button {
    min-width: 72px;
  }

  footer {
    grid-template-columns: 1fr;
  }

  footer p {
    grid-column: 1;
  }

  footer nav {
    flex-wrap: wrap;
  }
}

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

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

@media print {
  .site-header,
  .hero-actions,
  .install button {
    display: none;
  }

  body {
    background: #fff;
  }

  .agents,
  .finding-window {
    color: #000;
    background: #fff;
  }
}