@font-face {
  font-family: SekosSerif;
  src: url('assets/garamond.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: SekosSerif;
  src: url('assets/garamond-bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: SekosSerif;
  src: url('assets/garamond-italic.woff2') format('woff2');
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: SekosMono;
  src: url('assets/typewriter.woff2') format('woff2');
  font-display: swap;
}

:root {
  --ink: #191d20;
  --muted: #60676d;
  --paper: #fff;
  --surface: #f4f6f7;
  --line: #d9dde0;
  --accent: #c83a25;
  --serif: SekosSerif,Georgia,serif;
  --mono: SekosMono,'Courier New',monospace;
  --sans: Arial,Helvetica,sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button,input,select {
  font: inherit;
}

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

a:focus-visible,button:focus-visible,select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

button {
  cursor: pointer;
}

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

img {
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 20;
  padding: 1rem;
  background: var(--ink);
  color: white;
}

.skip-link:focus {
  top: 1rem;
}

.section-shell {
  padding-left: max(5.4vw,1.5rem);
  padding-right: max(5.4vw,1.5rem);
  max-width: 1800px;
  margin: auto;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem max(3.2vw,1.5rem);
  border-bottom: 1px solid var(--line);
  background: #fff;
  min-height: 96px;
}

.brand {
  display: block;
  flex-shrink: 0;
}

.brand img {
  display: block;
  width: 134px;
}

.brand-caption {
  max-width: 9rem;
  font-family: var(--mono);
  font-size: .75rem;
  line-height: 1.6;
  letter-spacing: .08em;
  color: var(--muted);
}

nav {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
  font-size: .875rem;
  white-space: nowrap;
}

nav a:hover,.text-link:hover,.site-footer a:hover {
  color: var(--accent);
}

.header-cta {
  font-size: .875rem;
  padding: .65rem 1.1rem;
  border: 1px solid var(--ink);
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--ink);
  color: white;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  column-gap: 8%;
  padding-top: 6.2rem;
  padding-bottom: 1.75rem;
}

.eyebrow,.micro-label,.section-kicker,.hero-note,.hero-bottom,.figure-heading,.figure-footer,.authority-line>span {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .075em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: .8rem;
}

.red-rule {
  width: 2.25rem;
  height: 2px;
  background: var(--accent);
}

h1 {
  font-family: var(--serif);
  font-size: clamp(4rem,6.3vw,6.5rem);
  font-weight: 400;
  line-height: .99;
  letter-spacing: -.04em;
  margin: 1.8rem 0 1.6rem;
}

h1 em {
  color: var(--accent);
  font-weight: 400;
}

.hero-description {
  max-width: 30rem;
  font-size: 1.06rem;
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.7rem;
  align-items: center;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .9rem 1.3rem;
  border: 1px solid var(--ink);
  font-size: .875rem;
  font-weight: 600;
  min-height: 48px;
}

.button-dark {
  background: var(--ink);
  color: #fff;
}

.button-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.text-link {
  font-size: .875rem;
  border-bottom: 1px solid var(--ink);
  padding: .35rem 0;
}

.hero-note {
  color: var(--muted);
  margin-top: 1.3rem;
  letter-spacing: 0;
}

.boundary-figure {
  align-self: center;
  border: 1px solid var(--line);
  background: var(--surface);
  margin-top: .5rem;
}

.figure-heading,.figure-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  font-size: .75rem;
}

.proposal,.gate,.consequence {
  display: flex;
  gap: 1rem;
  padding: 1.6rem 1.5rem;
  align-items: flex-start;
}

.step-number {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--muted);
  padding-top: .2rem;
}

.micro-label {
  color: var(--muted);
  font-size: .75rem;
  display: block;
  margin-bottom: .4rem;
}

.boundary-figure h3 {
  font-family: var(--serif);
  font-size: 1.8rem;
  line-height: 1.15;
  font-weight: 400;
}

.proposal p,.consequence p {
  font-size: .875rem;
  color: var(--muted);
  margin-top: .5rem;
  line-height: 1.5;
}

.outline-tag {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .04em;
  line-height: 1.5;
  border: 1px solid #afb6bc;
  padding: .15rem .45rem;
  margin-left: auto;
}

.authority-line {
  margin: 0 1.5rem 0 3.1rem;
  border-left: 2px solid var(--accent);
  padding: .5rem 0 .5rem 1rem;
}

.authority-line>span {
  color: var(--accent);
  font-size: .75rem;
}

.authority-line p {
  font-size: .875rem;
  margin-top: .3rem;
}

.gate {
  margin: 1.5rem;
  background: var(--ink);
  padding: 1.5rem;
  color: white;
}

.gate .micro-label,.gate .step-number {
  color: #b7bfc5;
}

.gate-symbol {
  margin-left: auto;
  color: #e85a41;
  font-size: 4rem;
  font-family: var(--serif);
  line-height: 1;
}

.consequence {
  padding-top: 0;
}

.figure-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  font-size: .75rem;
  color: var(--muted);
}

.hero-bottom {
  grid-column: 1/-1;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .025em;
}

.hero-bottom a {
  color: var(--ink);
}

.principle {
  padding-top: 5rem;
  padding-bottom: 5.5rem;
}

.section-kicker {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.section-kicker span:first-child {
  color: var(--accent);
}

.section-intro {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 8%;
  align-items: center;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(2.6rem,3.9vw,4rem);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: 1.08;
}

h2 em {
  font-weight: 400;
}

.section-intro>p {
  color: var(--muted);
  max-width: 30rem;
  line-height: 1.8;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  margin-top: 3.4rem;
  border-top: 1px solid var(--line);
}

.principle-grid article {
  padding: 2rem 2rem 0 0;
}

.principle-grid article+article {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.article-index {
  font-family: var(--serif);
  color: var(--accent);
  font-size: 1.5rem;
}

.principle-grid h3 {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.2;
  margin: 1rem 0;
}

.principle-grid p {
  font-size: 1rem;
  color: var(--muted);
  max-width: 25rem;
  line-height: 1.7;
}

.site-footer {
  display: flex;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.site-footer img {
  width: 100px;
}

.site-footer p {
  font-size: .875rem;
  color: var(--muted);
}

.site-footer a {
  margin-left: auto;
  font-family: var(--mono);
  font-size: .875rem;
}

@media(min-width:1500px) {
  .hero {
    padding-top: 7rem;
    padding-bottom: 2rem;
  }
  .hero-bottom {
    margin-top: 6rem;
  }
}

@media(max-width:1150px) {
  .brand-caption {
    display: none;
  }
  .site-header {
    gap: 1.2rem;
  }
  nav {
    gap: 1.1rem;
  }
  .hero {
    column-gap: 5%;
    padding-top: 4rem;
  }
  .boundary-figure h3 {
    font-size: 1.6rem;
  }
  .outline-tag {
    display: none;
  }
}

@media(max-width:850px) {
  .site-header {
    flex-wrap: wrap;
    min-height: 0;
    padding: 1.1rem 1.5rem;
    gap: 1rem;
  }
  .brand img {
    width: 112px;
  }
  .header-cta {
    margin-left: auto;
  }
  nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    margin: 0;
    padding-top: .8rem;
    border-top: 1px solid var(--line);
    font-size: .875rem;
    gap: .7rem;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3rem;
  }
  .hero-copy {
    max-width: 42rem;
  }
  h1 {
    font-size: clamp(3.8rem,9.5vw,5.5rem);
  }
  .hero-description {
    max-width: 35rem;
  }
  .boundary-figure {
    margin-top: 3rem;
    max-width: 40rem;
    width: 100%;
  }
  .hero-bottom {
    margin-top: 2.5rem;
    flex-wrap: wrap;
  }
  .hero-bottom span:nth-child(2) {
    display: none;
  }
  .section-intro {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .section-kicker span:nth-child(2) {
    display: none;
  }
  .section-intro>p {
    max-width: 40rem;
  }
  .principle {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
  .principle-grid {
    margin-top: 2rem;
  }
  .principle-grid article {
    padding-right: 1rem;
  }
  .principle-grid article+article {
    padding-left: 1rem;
  }
  .principle-grid h3 {
    font-size: 1.55rem;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media(max-width:550px) {
  .hero {
    padding-top: 2.4rem;
  }
  h1 {
    font-size: 3.8rem;
    margin-top: 1.5rem;
  }
  .eyebrow {
    font-size: .75rem;
    letter-spacing: .035em;
  }
  .hero-actions {
    gap: 1.2rem;
    flex-wrap: wrap;
  }
  .hero-note {
    font-size: .75rem;
  }
  .figure-heading,.figure-footer {
    padding: 1rem;
    font-size: .75rem;
  }
  .proposal,.consequence {
    padding: 1.25rem 1rem;
    gap: .75rem;
  }
  .authority-line {
    margin-left: 2.6rem;
  }
  .gate {
    margin: 1.25rem 1rem;
    padding: 1.25rem;
    gap: .75rem;
  }
  .gate h3 {
    font-size: 1.6rem;
  }
  .gate-symbol {
    font-size: 3.2rem;
  }
  .consequence {
    padding-top: 0;
  }
  .figure-footer span:last-child {
    display: none;
  }
  .principle-grid {
    grid-template-columns: 1fr;
  }
  .principle-grid article,.principle-grid article+article {
    padding: 1.5rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .principle-grid h3 {
    font-size: 1.9rem;
  }
  .principle-grid p {
    max-width: none;
  }
  .site-footer p {
    width: calc(100% - 116px);
  }
  .site-footer a {
    margin-left: 0;
  }
  h2 {
    font-size: 2.7rem;
  }
  nav {
    font-size: .875rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: .5rem 1rem;
  }
  .header-cta {
    font-size: .875rem;
    padding: .55rem .75rem;
  }
  .brand img {
    width: 104px;
  }
}

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