@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/manrope-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/manrope-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --white: #ffffff;
  --paper: #f4f3ee;
  --ink: #171a17;
  --muted: #5b625c;
  --line: #ced2ca;
  --green: #245642;
  --green-dark: #16392b;
  --lime: #dbea83;
  --container: 1180px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0;
}

html {
  scroll-behavior: smooth;
  background: var(--white);
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Manrope", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

main section[id] {
  scroll-margin-top: 5.5rem;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-color: var(--green);
}

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-120%);
}

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.topline {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.topline__inner {
  display: flex;
  min-height: 2.4rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.topline__message {
  display: none;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(14px);
}

.header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand__short {
  display: grid;
  width: 3rem;
  height: 3rem;
  flex: 0 0 3rem;
  place-items: center;
  background: var(--ink);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand__full {
  display: block;
  max-width: 8.5rem;
  padding-left: 0.65rem;
  font-size: 0.59rem;
  font-weight: 650;
  line-height: 1.2;
}

.nav-toggle {
  display: inline-flex;
  min-width: 4.3rem;
  min-height: 3rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  border: 1px solid var(--ink);
  background: var(--white);
  color: var(--ink);
}

.nav-toggle__label {
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-toggle__icon,
.nav-toggle__icon::before {
  display: block;
  width: 1rem;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 160ms ease;
}

.nav-toggle__icon::before {
  transform: translateY(-0.3rem);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  transform: rotate(-90deg);
}

.site-nav {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  display: none;
  max-height: calc(100svh - 4.75rem);
  overflow-y: auto;
  background: var(--white);
  box-shadow: 0 24px 50px rgb(23 26 23 / 12%);
}

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

.site-nav a {
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  padding-inline: 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a::after {
  width: 0.58rem;
  height: 0.58rem;
  flex: 0 0 0.58rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(-45deg);
}

.site-nav a[aria-current="page"] {
  color: var(--green);
}

.site-nav a.is-current-section {
  color: var(--green);
}

.site-nav__contact {
  background: var(--green);
  color: var(--white);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 2;
  height: 2px;
  background: var(--lime);
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.noscript-nav {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-4);
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 750;
  white-space: nowrap;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 var(--space-4);
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.kicker::before {
  width: 1.6rem;
  height: 0.25rem;
  background: var(--lime);
  content: "";
}

.kicker--light {
  color: var(--white);
}

.hero {
  border-bottom: 1px solid var(--line);
  overflow: clip;
}

.hero__grid {
  display: grid;
}

.hero__main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 3.75rem;
}

.hero h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(3rem, 13vw, 7.4rem);
  font-weight: 520;
  letter-spacing: -0.075em;
  line-height: 0.91;
}

.hero h1 span {
  padding-inline: 0.03em;
  background:
    linear-gradient(
      to bottom,
      transparent 0 76%,
      var(--lime) 76% 91%,
      transparent 91% 100%
    );
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero__lead {
  max-width: 41rem;
  margin: var(--space-5) 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-top: var(--space-5);
}

.button {
  display: inline-flex;
  min-height: 3.4rem;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

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

.button--lime {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.button--lime:hover {
  border-color: var(--white);
  background: var(--white);
}

.text-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
}

.text-link__icon {
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-0.18rem) rotate(45deg);
}

.hero__aside {
  position: relative;
  display: flex;
  min-height: 16rem;
  flex-direction: column;
  justify-content: flex-start;
  overflow: visible;
  padding: var(--space-5);
  background: var(--green);
  color: var(--white);
}

.hero__aside-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__aside p {
  position: relative;
  z-index: 1;
  max-width: none;
  margin-block: auto;
  font-size: clamp(1.8rem, 7vw, 3.2rem);
  font-weight: 550;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.hero__aside p span {
  display: block;
}

.facts {
  background: var(--paper);
}

.facts__grid {
  display: grid;
}

.fact {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0 var(--space-3);
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.fact:last-child {
  border-bottom: 0;
}

.fact__number {
  grid-row: span 2;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
}

.fact h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.fact p {
  max-width: 34rem;
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.section {
  padding-block: 4.75rem;
}

.section__head h2,
.calculator-copy h2,
.calculator-copy h1,
.federation h2,
.contact h2 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.4rem, 9vw, 5.5rem);
  font-weight: 520;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.section__head > p:last-child {
  max-width: 42rem;
  margin: var(--space-4) 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.topics {
  display: grid;
  margin-top: var(--space-6);
  border-top: 1px solid var(--ink);
}

.topic {
  min-height: 10.5rem;
  padding-block: 2rem;
  border-bottom: 1px solid var(--line);
}

.topic__index {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.topic h3 {
  margin: var(--space-5) 0 0;
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.topic p {
  max-width: 31rem;
  margin: var(--space-3) 0 0;
  color: var(--muted);
}

.topic--link {
  color: inherit;
  text-decoration: none;
  transition: background-color 160ms ease;
}

.topic--link:hover {
  background: var(--paper);
}

.calculator-section {
  background: var(--green-dark);
  color: var(--white);
}

.calculator-section--page {
  display: grid;
  min-height: calc(100svh - 7.15rem);
  align-items: center;
  padding-block: var(--space-7);
}

.calculator-section--document {
  padding-block: var(--space-7) var(--space-8);
}

.calculator-layout {
  display: grid;
  gap: var(--space-6);
}

.calculator-copy p:last-child {
  max-width: 40rem;
  margin: var(--space-4) 0 0;
  color: #c9d5ce;
}

.calculator {
  border-top: 5px solid var(--lime);
  background: var(--white);
  color: var(--ink);
}

.calculator__readout {
  padding: var(--space-5);
  background: var(--lime);
}

.calculator__eyebrow {
  margin: 0;
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.calculator__result {
  display: block;
  min-height: 8.2rem;
  padding-block: var(--space-3) var(--space-4);
}

.calculator__value {
  display: block;
  font-size: clamp(4.5rem, 17vw, 7rem);
  font-weight: 600;
  letter-spacing: -0.085em;
  line-height: 0.95;
}

.calculator__category {
  display: block;
  margin-top: 0.7rem;
  font-size: 1rem;
  font-weight: 750;
}

.calculator__scale {
  position: relative;
  height: 0.55rem;
  margin-top: var(--space-2);
  background:
    linear-gradient(
      to right,
      #c8cec8 0 14%,
      var(--white) 14% 40%,
      #83a98c 40% 60%,
      var(--green-dark) 60% 100%
    );
}

.calculator__marker {
  position: absolute;
  top: -0.48rem;
  left: 31.6%;
  width: 2px;
  height: 1.5rem;
  background: var(--ink);
  transform: translateX(-1px);
  transition: left 180ms ease;
}

.calculator__scale-labels {
  display: grid;
  grid-template-columns: 14fr 26fr 20fr 40fr;
  margin-top: 0.55rem;
  color: var(--green-dark);
  font-size: 0.68rem;
  font-weight: 750;
}

.calculator__scale-labels span {
  text-align: right;
  transform: translateX(0.7rem);
}

.calculator__scale-labels span:last-child {
  padding-right: 0;
  text-align: right;
  transform: none;
}

.calculator__controls {
  display: grid;
  padding: var(--space-5);
}

.field {
  padding-block: var(--space-4);
  border-top: 1px solid var(--line);
}

.field:first-child {
  padding-top: 0;
  border-top: 0;
}

.field__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.field__head label {
  font-size: 1rem;
  font-weight: 750;
}

.field__number {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.field__number input {
  width: 5.2rem;
  min-width: 0;
  padding: 0.65rem 0.25rem 0.65rem 0.8rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 700;
}

.field__number span {
  padding-right: 0.8rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.field__number:focus-within {
  outline: 3px solid var(--green);
  outline-offset: 2px;
}

.field__range {
  appearance: none;
  width: 100%;
  height: 2.75rem;
  margin: 0.65rem 0 0;
  cursor: pointer;
  background: transparent;
}

.field__range::-webkit-slider-runnable-track {
  height: 4px;
  background: var(--line);
}

.field__range::-webkit-slider-thumb {
  width: 1.35rem;
  height: 1.35rem;
  appearance: none;
  margin-top: -0.55rem;
  border: 4px solid var(--white);
  background: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}

.field__range::-moz-range-track {
  height: 4px;
  border: 0;
  background: var(--line);
}

.field__range::-moz-range-thumb {
  width: 0.85rem;
  height: 0.85rem;
  border: 4px solid var(--white);
  border-radius: 0;
  background: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}

.calculator__note {
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

.audiences__grid {
  display: grid;
  margin-top: var(--space-6);
  border: 1px solid var(--ink);
}

.audience {
  padding: 2rem;
  border-bottom: 1px solid var(--ink);
}

.audience:last-child {
  border-bottom: 0;
  background: var(--paper);
}

.audience__tag {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.audience h3 {
  max-width: 20ch;
  margin: var(--space-5) 0 0;
  font-size: clamp(1.65rem, 6vw, 2.65rem);
  font-weight: 550;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.audience ul {
  display: grid;
  gap: 0.7rem;
  margin: var(--space-5) 0 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.audience li {
  display: grid;
  grid-template-columns: 1rem 1fr;
  gap: 0.6rem;
}

.audience li::before {
  width: 0.48rem;
  height: 0.48rem;
  margin-top: 0.52rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  color: var(--green);
  content: "";
  transform: rotate(45deg);
}

.federation {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.federation__grid {
  display: grid;
  gap: var(--space-6);
}

.federation__copy {
  max-width: 42rem;
}

.federation__copy p {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  font-size: 1.08rem;
}

.contact {
  padding-block: 5.5rem;
  background: var(--ink);
  color: var(--white);
}

.contact__grid {
  display: grid;
  gap: var(--space-6);
}

.contact h2 {
  max-width: 15ch;
  font-size: clamp(3rem, 6vw, 5rem);
}

.contact__action {
  display: grid;
  align-content: center;
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-left: 3px solid var(--lime);
}

.contact__action p {
  max-width: 32rem;
  margin: var(--space-3) 0 0;
  color: #bfc4bf;
}

.contact__label {
  margin-bottom: var(--space-2);
  color: #bfc4bf;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.contact__action a {
  width: fit-content;
  color: var(--lime);
  font-size: clamp(1.35rem, 4.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
}

.site-footer {
  padding-block: var(--space-6) var(--space-5);
  border-top: 1px solid #414541;
  background: var(--ink);
  color: var(--white);
}

.footer__top {
  display: grid;
  gap: var(--space-5);
  align-items: start;
}

.footer__brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.footer__brand strong {
  color: var(--lime);
  font-size: 1.6rem;
  letter-spacing: -0.05em;
}

.footer__brand span {
  color: #bfc4bf;
  font-size: 0.75rem;
  line-height: 1.35;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem var(--space-5);
}

.footer__nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration-color: #5e635e;
}

.footer__bottom {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid #414541;
  color: #bfc4bf;
  font-size: 0.76rem;
}

.footer__disclaimer {
  max-width: 48rem;
  margin: 0;
}

.archive-hero {
  padding-block: 4.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.archive-hero__grid {
  display: grid;
  gap: var(--space-5);
}

.archive-hero h1,
.document-hero h1 {
  margin: 0;
  font-size: clamp(3rem, 15vw, 9rem);
  font-weight: 520;
  letter-spacing: -0.08em;
  line-height: 0.88;
}

.archive-hero__lead {
  max-width: 44rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 3vw, 1.45rem);
}

.post-archive-section {
  padding-block: 3.5rem 6rem;
}

.post-archive__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 3px solid var(--ink);
}

.post-archive__head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.post-archive__head span {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-archive {
  display: grid;
  border-block: 1px solid var(--ink);
  background: var(--ink);
  gap: 1px;
  counter-reset: archive-post;
}

.post-preview {
  position: relative;
  display: flex;
  min-height: 28rem;
  flex-direction: column;
  overflow: hidden;
  padding: var(--space-5);
  background: var(--white);
  counter-increment: archive-post;
  isolation: isolate;
  transition: box-shadow 160ms ease;
}

.post-preview:nth-child(even) {
  background: var(--paper);
}

.post-preview::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.35rem;
  background: var(--lime);
  content: "";
}

.post-preview::after {
  position: absolute;
  right: -0.04em;
  bottom: -0.18em;
  z-index: -1;
  color: rgb(36 86 66 / 7%);
  content: counter(archive-post, decimal-leading-zero);
  font-size: clamp(9rem, 24vw, 17rem);
  font-weight: 750;
  letter-spacing: -0.12em;
  line-height: 0.75;
}

.post-preview:hover {
  box-shadow: inset 0 0 0 4px var(--lime);
}

.post-preview__meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.post-preview h3 {
  max-width: 18ch;
  margin: var(--space-6) 0 0;
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 540;
  letter-spacing: -0.06em;
  line-height: 1;
}

.post-preview h3 a {
  text-decoration: none;
}

.post-preview h3 a:hover {
  color: var(--green);
}

.post-preview > p {
  max-width: 38rem;
  margin: var(--space-4) 0 var(--space-6);
  color: var(--muted);
}

.post-preview__link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  font-weight: 750;
  text-decoration-thickness: 1px;
}

.post-preview__link span {
  color: var(--green);
  font-size: 1.35rem;
  transition: transform 160ms ease;
}

.post-preview__link:hover span {
  transform: translateX(0.25rem);
}

.archive-review-note {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding: var(--space-4);
  border-left: 5px solid var(--lime);
  background: var(--paper);
}

.archive-review-note strong {
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.archive-review-note p {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
}

.document-hero {
  padding-block: 5rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.document-hero__lead {
  max-width: 46rem;
  margin: var(--space-5) 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 3vw, 1.45rem);
}

.document-content {
  padding-block: 4rem 7rem;
}

.document-content__grid {
  display: grid;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 3px solid var(--ink);
}

.document-content__label {
  margin: 0;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.document-content h2 {
  max-width: 15ch;
  margin: 0 0 var(--space-4);
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  font-weight: 540;
  letter-spacing: -0.06em;
  line-height: 1;
}

.document-content__grid > div > p {
  max-width: 48rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.document-action {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  color: var(--green);
  font-weight: 750;
}

.document-action span {
  font-size: 1.35rem;
}

.document-email {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--green);
  font-size: clamp(1.35rem, 5vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.document-content__grid > div > .document-note {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
}

.document-audiences {
  margin-top: var(--space-5);
}

.article-date {
  margin: var(--space-4) 0 0;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.article-hero {
  padding-block: 4.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.article-hero h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(3rem, 10vw, 6.5rem);
  font-weight: 520;
  letter-spacing: -0.07em;
  line-height: 0.96;
}

.article-hero__lead {
  max-width: 50rem;
  margin: var(--space-5) 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 3vw, 1.45rem);
}

.article-status {
  display: grid;
  gap: var(--space-2);
  max-width: 50rem;
  margin-top: var(--space-5);
  padding: var(--space-4) 0;
  border-block: 1px solid var(--line);
}

.article-status strong {
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-status p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.article-layout {
  display: grid;
  gap: var(--space-6);
  padding-block: 3rem 5rem;
}

.article-toc {
  padding: var(--space-4);
  border-top: 4px solid var(--green);
  background: var(--paper);
}

.article-toc__title {
  margin: 0 0 var(--space-3);
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-toc nav {
  display: grid;
}

.article-toc a {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: var(--space-2);
  padding-block: 0.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.article-toc a span {
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
}

.article-content {
  min-width: 0;
  max-width: 52rem;
}

.article-section {
  padding-block: 4.5rem;
  border-top: 1px solid var(--ink);
}

.article-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.article-section__number {
  margin: 0 0 var(--space-3);
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-section h2 {
  max-width: 18ch;
  margin: 0 0 var(--space-5);
  font-size: clamp(2.25rem, 7vw, 4.25rem);
  font-weight: 540;
  letter-spacing: -0.06em;
  line-height: 1;
}

.article-section h3 {
  margin: var(--space-6) 0 var(--space-3);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.article-section h4 {
  margin: 0;
  font-size: 1.1rem;
}

.article-section > p,
.framework > p,
.term-list p,
.measure-list p,
.step-list p {
  color: #404741;
}

.article-section > p {
  margin: 0 0 var(--space-4);
  font-size: 1.04rem;
}

.article-lead {
  color: var(--ink) !important;
  font-size: clamp(1.2rem, 3vw, 1.55rem) !important;
  font-weight: 550;
  line-height: 1.5;
}

.article-callout {
  margin-block: var(--space-5);
  padding: var(--space-5);
  border-left: 5px solid var(--lime);
  background: var(--paper);
}

.article-callout p {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
}

.article-callout > strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--lime);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-callout--dark {
  background: var(--green-dark);
  color: var(--white);
}

.article-callout--dark p {
  color: #dce4df;
}

.article-formula {
  margin-block: var(--space-5) !important;
  padding: var(--space-5);
  border-block: 1px solid var(--ink);
  color: var(--ink) !important;
  font-size: clamp(1.6rem, 5vw, 2.6rem) !important;
  font-weight: 650;
  letter-spacing: -0.04em;
  text-align: center;
}

.article-inline-calculator {
  margin-block: var(--space-6);
  padding: var(--space-4);
  background: var(--green-dark);
}

.article-table-wrap {
  max-width: 100%;
  margin-block: var(--space-5);
  overflow-x: auto;
}

.article-table-wrap table {
  width: 100%;
  min-width: 32rem;
  border-collapse: collapse;
  border-top: 2px solid var(--ink);
}

.article-table-wrap th,
.article-table-wrap td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.article-table-wrap th {
  background: var(--paper);
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-table-wrap td:first-child {
  width: 34%;
  font-weight: 750;
}

.article-note {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border: 1px solid var(--ink);
}

.article-note strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--green);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-note p {
  margin: 0;
}

.measure-list,
.term-list {
  margin-top: var(--space-6);
  border-top: 2px solid var(--ink);
}

.measure-list article {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--line);
}

.measure-list article > span {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
}

.measure-list h3,
.term-list h3 {
  margin: 0 0 var(--space-2);
}

.measure-list p,
.term-list p {
  margin: 0;
}

.article-list {
  display: grid;
  gap: var(--space-4);
  margin-block: var(--space-5);
  padding: 0;
  list-style: none;
}

.article-list li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: var(--space-3);
}

.article-list li::before {
  width: 0.48rem;
  height: 0.48rem;
  margin-top: 0.52rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  color: var(--green);
  content: "";
  transform: rotate(45deg);
}

.framework {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border-top: 5px solid var(--lime);
  background: var(--paper);
}

.framework + .framework {
  border-top-color: var(--green);
}

.framework__tag {
  margin: 0 !important;
  color: var(--green) !important;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.framework h3 {
  margin-top: var(--space-3);
}

.step-list {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.step-list li > span {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-list p {
  margin: var(--space-2) 0 0;
}

.term-list article {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--line);
}

.term-list article:nth-child(even) {
  padding-inline: var(--space-4);
  background: var(--paper);
}

.term-list p + p {
  margin-top: var(--space-3);
}

.article-roadmap {
  background: var(--paper);
  box-shadow: 2rem 0 0 var(--paper), -2rem 0 0 var(--paper);
}

.roadmap-grid {
  display: grid;
  margin-top: var(--space-5);
  border-top: 2px solid var(--ink);
}

.roadmap-grid article,
.roadmap-grid > a {
  min-height: 9rem;
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--line);
}

.roadmap-grid > a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.roadmap-grid > a:hover h3 {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-decoration-thickness: 0.25rem;
  text-underline-offset: 0.2rem;
}

.roadmap-grid span {
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
}

.roadmap-grid h3 {
  margin: var(--space-4) 0 0;
  font-size: 1.25rem;
}

.article-sources ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  counter-reset: sources;
  list-style: none;
}

.article-sources li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: 1px solid var(--line);
  counter-increment: sources;
}

.article-sources li::before {
  color: var(--green);
  content: counter(sources, decimal-leading-zero);
  font-size: 0.7rem;
  font-weight: 800;
}

.article-sources a {
  font-weight: 650;
  overflow-wrap: anywhere;
}

.article-sources__note {
  margin-bottom: var(--space-5) !important;
  padding: var(--space-3);
  border-left: 4px solid var(--lime);
  background: var(--paper);
}

.article-pagination {
  display: grid;
  margin-top: var(--space-6);
  border-top: 2px solid var(--ink);
}

.article-pagination a {
  display: grid;
  gap: var(--space-2);
  min-height: 7rem;
  align-content: center;
  padding-block: var(--space-4);
  color: inherit;
  text-decoration: none;
}

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

.article-pagination span {
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-pagination strong {
  font-size: clamp(1.15rem, 3vw, 1.45rem);
  line-height: 1.25;
}

.article-pagination a:hover strong {
  color: var(--green);
}

.reveal {
  transition:
    opacity 520ms ease,
    transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(1.5rem);
}

.not-found {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 2rem;
}

.not-found__inner {
  max-width: 48rem;
}

.not-found__code {
  margin: 0;
  color: var(--green);
  font-size: clamp(6rem, 32vw, 14rem);
  font-weight: 750;
  letter-spacing: -0.1em;
  line-height: 0.75;
}

.not-found h1 {
  margin: var(--space-5) 0 0;
  font-size: clamp(2rem, 8vw, 4rem);
  letter-spacing: -0.06em;
  line-height: 1;
}

.not-found p {
  max-width: 42rem;
  margin: var(--space-4) 0 var(--space-5);
  color: var(--muted);
}

@media (min-width: 520px) {
  .container {
    width: min(calc(100% - 3rem), var(--container));
  }

  .topline__message {
    display: block;
  }

  .header__inner {
    gap: 1rem;
  }

  .brand__short {
    width: 3.4rem;
    height: 3.4rem;
    flex-basis: 3.4rem;
    font-size: 0.78rem;
  }

  .brand__full {
    max-width: none;
    padding-left: 0.85rem;
    font-size: 0.72rem;
    line-height: 1.25;
  }

  .nav-toggle {
    min-width: 4.75rem;
    min-height: 3.25rem;
  }

  .nav-toggle__label {
    font-size: 0.74rem;
  }

}

@media (min-width: 760px) {
  .article-inline-calculator {
    padding: var(--space-5);
  }

  .article-inline-calculator .calculator {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .step-list li {
    grid-template-columns: 5rem 1fr;
  }

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

  .roadmap-grid article,
  .roadmap-grid > a {
    padding: var(--space-4);
    border-right: 1px solid var(--line);
  }

  .roadmap-grid article:nth-child(even),
  .roadmap-grid > a:nth-child(even) {
    border-right: 0;
  }

  .article-pagination {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-pagination__next {
    grid-column: 2;
    padding-left: var(--space-4);
    border-left: 1px solid var(--line);
  }

  .article-pagination a + a {
    border-top: 0;
  }

  .facts__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .fact {
    grid-template-columns: 1fr;
    align-content: start;
    padding: 2rem;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .fact:first-child {
    padding-left: 0;
  }

  .fact:last-child {
    padding-right: 0;
    border-right: 0;
  }

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

  .topic {
    padding: 2rem;
  }

  .topic:nth-child(odd) {
    padding-left: 0;
    border-right: 1px solid var(--line);
  }

  .audiences__grid,
  .footer__top {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__nav {
    justify-content: flex-end;
  }

  .footer__bottom {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .audience {
    border-right: 1px solid var(--ink);
    border-bottom: 0;
  }

  .audience:last-child {
    border-right: 0;
  }
}

@media (min-width: 1120px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    overflow: visible;
    align-items: center;
    background: transparent;
    box-shadow: none;
  }

  .site-nav a {
    display: inline-flex;
    min-height: 2.8rem;
    padding-inline: 0.75rem;
    border: 0;
    font-size: 0.76rem;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a.is-current-section {
    color: var(--green);
    box-shadow: inset 0 -3px 0 var(--lime);
  }

  .site-nav a[aria-current="page"] {
    box-shadow: inset 0 -3px 0 var(--lime);
  }

  .site-nav__contact {
    margin-left: 0.5rem;
    padding-inline: 1rem !important;
  }
}

@media (min-width: 980px) {

  .hero__grid {
    grid-template-columns: minmax(0, 3fr) minmax(19rem, 1fr);
    min-height: 43rem;
  }

  .hero__main {
    padding-right: var(--space-6);
    padding-block: 4.5rem;
  }

  .hero__aside {
    box-shadow: 50vw 0 0 50vw var(--green);
  }

  .hero__aside p span {
    white-space: nowrap;
  }

  .topics {
    grid-template-columns: repeat(4, 1fr);
  }

  .topic {
    padding-inline: var(--space-4);
    border-right: 1px solid var(--line);
  }

  .topic:nth-child(odd) {
    padding-left: var(--space-4);
  }

  .topic:first-child {
    padding-left: 0;
  }

  .topic:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .calculator-layout,
  .federation__grid,
  .contact__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(22rem, 0.9fr);
    align-items: center;
  }

  .article-layout {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 5rem;
    align-items: start;
    padding-block: 4rem 7rem;
  }

  .article-toc {
    position: sticky;
    top: 6.5rem;
  }

  .article-content {
    width: 100%;
  }

  .article-hero {
    padding-block: 6rem;
  }

  .article-roadmap {
    box-shadow: 3rem 0 0 var(--paper), -3rem 0 0 var(--paper);
  }

  .archive-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(24rem, 0.9fr);
    align-items: end;
  }

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

  .post-preview {
    padding: var(--space-6);
  }

  .document-content__grid {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 5rem;
  }
}

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

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

  .reveal:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
}