:root {
  --bg: #ffffff;
  --paper: transparent;
  --ink: #111111;
  --muted: #4f4f4f;
  --line: rgba(0, 0, 0, 0.14);
  --accent: #111111;
  --accent-soft: #f2f2f2;
  --max-width: 860px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

body::before {
  content: none;
}

body::after {
  content: none;
}

.math-background {
  position: absolute;
  inset: 0 0 auto 0;
  width: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.math-background svg {
  display: block;
  width: 100%;
  height: 100%;
}

.math-background .curve-teal {
  stroke: rgba(0, 122, 135, 0.1);
}

.math-background .curve-red {
  stroke: rgba(194, 75, 58, 0.09);
}

.math-background .curve-blue {
  stroke: rgba(90, 103, 216, 0.085);
}

.math-background .curve-black {
  stroke: rgba(0, 0, 0, 0.075);
}

.math-background .point-neutral {
  fill: rgba(0, 0, 0, 0.11);
}

.math-background .point-teal {
  fill: rgba(0, 122, 135, 0.14);
}

.math-background .point-red {
  fill: rgba(194, 75, 58, 0.12);
}

.math-background .point-blue {
  fill: rgba(90, 103, 216, 0.12);
}

.math-equations {
  position: absolute;
  inset: 0 0 auto 0;
  width: 100%;
  pointer-events: none;
  z-index: 0;
}

.math-equation {
  position: absolute;
  color: rgba(0, 0, 0, 0.42);
  font-size: 1.12rem;
  line-height: 1.2;
  max-width: 280px;
  transform: rotate(0deg);
}

.math-equation--strong {
  color: rgba(0, 0, 0, 0.52);
}

.math-equations.is-pending {
  opacity: 0;
}

.math-equation .MathJax {
  overflow: visible;
}

.math-equation mjx-container[jax="SVG"] {
  opacity: 1;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.4rem 0 3rem;
  position: relative;
  z-index: 2;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 1rem;
  z-index: 10;
  padding: 0 0 1rem;
  margin-bottom: 1.2rem;
  background: transparent;
  border-bottom: 1px solid var(--line);
  box-shadow: none;
}

.wordmark,
.site-nav a,
.quick-facts a,
.simple-list a {
  text-decoration: none;
  color: inherit;
}

.wordmark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
}

.site-nav a:hover,
.quick-facts a:hover,
.simple-list a:hover,
.text-panel a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  border-radius: 4px;
  padding: 0.7rem 1rem;
  font: inherit;
  font-weight: 400;
}

.hero {
  display: block;
  padding: 0.2rem 0 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  position: relative;
}

.hero-copy {
  padding: 0;
}

.eyebrow {
  font-size: 1rem;
  color: var(--ink);
  font-weight: 700;
  margin: 0 0 0.5rem;
}

h1,
h2,
h3 {
  margin: 0;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 2.9rem);
  margin-top: 0;
}

h2 {
  font-size: 1.4rem;
}

h3 {
  font-size: 1rem;
  line-height: 1.3;
}

p {
  line-height: 1.75;
  color: var(--muted);
}

.hero-text {
  max-width: 60ch;
  font-size: 1rem;
  margin: 0.4rem 0 1.2rem;
}

.quick-facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.quick-facts li {
  padding: 0;
  border: 0;
  color: var(--ink);
}

.quick-facts span {
  display: inline;
  margin-right: 0.35rem;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
}

.section {
  margin-top: 1.8rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.section-heading {
  display: grid;
  gap: 0.15rem;
  margin-bottom: 0.6rem;
}

.text-panel {
  padding: 0;
}

.simple-list {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.simple-list li {
  margin-bottom: 0.5rem;
}

@media (max-width: 960px) {
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
    padding-top: 0.6rem;
  }

  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 0.5rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  h1 {
    font-size: 2rem;
  }

  .math-equation {
    display: none;
  }
}