:root {
  color-scheme: dark;
  --ink: #f5efe6;
  --tan: #dbb68f;
  --muted: var(--tan);
  --teal: #0ca4a5;
  --teal-soft: rgba(8, 146, 165, 0.14);
  --copper: #bb7e5d;
  --black: #0a1414;
  --panel: #0f1c1c;
  --line: rgba(12, 164, 165, 0.28);
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(8, 146, 165, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 146, 165, 0.07) 1px, transparent 1px),
    var(--black);
  background-size: 72px 72px;
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.19em;
  text-decoration: none;
}

.wordmark img {
  display: block;
}

.header-link {
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 160ms ease;
}

.header-link:hover,
.header-link:focus-visible {
  color: var(--copper);
}

.hero {
  display: flex;
  min-height: min(780px, calc(100vh - 88px));
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(68px, 10vw, 130px) 0 72px;
}

.eyebrow,
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow span,
.section-label span {
  color: var(--teal);
}

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

h1 {
  max-width: 1100px;
  margin: 60px 0;
  font-size: clamp(4rem, 10.8vw, 9.25rem);
  font-weight: 540;
  letter-spacing: -0.07em;
  line-height: 0.82;
}

h1 em {
  color: var(--copper);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-footer {
  display: grid;
  grid-template-columns: minmax(0, 660px) 1fr;
  gap: 80px;
  align-items: end;
}

.hero-lede {
  margin-bottom: 0;
  color: rgba(245, 239, 230, 0.88);
  font-size: clamp(1.2rem, 2.1vw, 1.75rem);
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.orbital-mark {
  position: relative;
  width: 96px;
  height: 96px;
  justify-self: end;
}

.orbital-mark span {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 74px;
  height: 74px;
  border: 1px solid var(--teal);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbital-mark span:nth-child(2) {
  transform: translate(-50%, -50%) rotate(60deg) scaleX(0.34);
}

.orbital-mark span:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-60deg) scaleX(0.34);
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 64px;
  padding: clamp(100px, 14vw, 180px) 0;
  border-top: 1px solid var(--line);
}

.section-copy {
  max-width: 820px;
}

h2 {
  margin-bottom: 48px;
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  font-weight: 520;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.section-copy > p:not(.callout) {
  max-width: 690px;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-copy > p.large-copy {
  color: var(--ink);
  font-size: clamp(1.4rem, 2.35vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.36;
}

.section-copy > p.source {
  margin: -24px 0 44px;
  font-size: 0.95rem;
  line-height: 1.55;
}

.source a {
  text-decoration-color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 160ms ease;
}

.source a:hover,
.source a:focus-visible {
  color: var(--teal);
}

.callout {
  margin: 64px 0 0;
  padding: 28px 30px;
  border-left: 2px solid var(--teal);
  background: var(--teal-soft);
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-style: italic;
}

.manifesto {
  padding: clamp(100px, 14vw, 180px) 0;
  border-top: 1px solid var(--line);
}

.manifesto-heading {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 64px;
}

.manifesto-heading h2 {
  max-width: 850px;
}

.articles {
  margin: 60px 0 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.articles li {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 64px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.article-number {
  color: var(--teal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-style: italic;
}

.articles h3 {
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.articles h3 a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease;
}

.articles h3 a span {
  color: var(--teal);
}

.articles h3 a:hover,
.articles h3 a:focus-visible {
  color: var(--teal);
}

.articles p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.article-page {
  padding-top: clamp(56px, 8vw, 96px);
  border-top: 0;
}

.article-page h1 {
  max-width: none;
  margin: 0 0 40px;
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  font-weight: 520;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.article-next {
  display: block;
  max-width: 690px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: color 160ms ease;
}

.next-label {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.article-next:hover,
.article-next:focus-visible {
  color: var(--teal);
}

.practice {
  padding: clamp(100px, 14vw, 180px) 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.practice .section-label {
  justify-content: center;
}

.practice h2 {
  max-width: 1000px;
  margin: 60px auto;
  color: var(--teal);
}

.practice > p {
  max-width: 680px;
  margin-inline: auto;
  color: var(--muted);
}

.practice strong {
  color: var(--ink);
  font-weight: 500;
}

.join {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(60px, 9vw, 120px);
  align-items: end;
  margin-bottom: 48px;
  padding: clamp(72px, 10vw, 120px);
  background: var(--tan);
  color: var(--black);
}

.join .section-label,
.join .section-label span {
  color: rgba(10, 20, 20, 0.6);
}

.join h2 {
  margin: 54px 0 32px;
}

.join-copy > p {
  max-width: 560px;
  margin-bottom: 0;
  color: rgba(10, 20, 20, 0.72);
}

.signup label {
  display: block;
  margin-bottom: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signup-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  border-bottom: 2px solid var(--black);
}

.signup input {
  min-width: 0;
  padding: 18px 0;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--black);
  font: inherit;
  font-size: 1.05rem;
}

.signup input::placeholder {
  color: rgba(10, 20, 20, 0.45);
}

.signup button {
  padding: 18px 0 18px 24px;
  border: 0;
  background: transparent;
  color: var(--black);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.signup button:disabled {
  cursor: wait;
  opacity: 0.5;
}

.signup-row:focus-within {
  box-shadow: 0 3px 0 var(--black);
}

.form-note,
.form-status {
  margin: 12px 0 0;
  color: rgba(10, 20, 20, 0.62);
  font-size: 0.76rem;
}

.form-status {
  min-height: 1.2em;
  color: var(--black);
  font-weight: 650;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
  min-height: 130px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

footer p {
  margin: 0;
}

footer p:last-child {
  justify-self: end;
}

@media (max-width: 760px) {
  .site-header,
  main,
  footer {
    width: min(calc(100% - 32px), var(--max));
  }

  .site-header {
    min-height: 72px;
  }

  .header-link {
    max-width: 130px;
    text-align: right;
  }

  .hero {
    min-height: calc(100svh - 72px);
    padding: 48px 0;
  }

  h1 {
    margin: 52px 0;
    font-size: clamp(3.4rem, 17vw, 6rem);
  }

  .hero-footer,
  .section-grid,
  .manifesto-heading,
  .articles li,
  .join {
    grid-template-columns: 1fr;
  }

  .hero-footer {
    gap: 48px;
  }

  .orbital-mark {
    display: none;
  }

  .section-grid,
  .manifesto-heading,
  .articles li {
    gap: 36px;
  }

  .manifesto-heading h2 {
    margin-bottom: 0;
  }

  .articles {
    margin-top: 60px;
  }

  .articles li {
    padding: 36px 0;
  }

  .join {
    gap: 56px;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-bottom: 0;
    padding: 64px 24px;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 42px 0;
  }

  footer p:last-child {
    justify-self: start;
  }
}

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