@font-face {
  font-family: "Public Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/public-sans/PublicSans-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Public Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/public-sans/PublicSans-Bold.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --deep: #123d32;
  --deepest: #09281f;
  --mid: #287a57;
  --living: #65b96e;
  --pale: #e1f1df;
  --sand: #f3efe4;
  --paper: #fffdf7;
  --graphite: #1d2723;
  --muted: #52605a;
  --line: rgba(18, 61, 50, 0.16);
  --shadow: 0 1.5rem 4rem rgba(9, 40, 31, 0.12);
  --max: 76rem;
  --text: 46rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--graphite);
  font-family: "Public Sans", Arial, Helvetica, ui-sans-serif, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:focus-visible {
  outline: 0.2rem solid var(--living);
  outline-offset: 0.25rem;
  border-radius: 0.2rem;
}

.skip-link {
  position: fixed;
  inset: 0 auto auto 1rem;
  z-index: 100;
  transform: translateY(-140%);
  padding: 0.75rem 1rem;
  background: var(--paper);
  color: var(--deep);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(1rem);
}

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

.narrow {
  max-width: var(--text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(18, 61, 50, 0.96);
  color: var(--paper);
  backdrop-filter: blur(1rem);
}

.site-nav {
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  text-decoration: none;
}

.brand-link img {
  width: clamp(11.5rem, 23vw, 17rem);
  height: auto;
}

.nav-cluster,
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  color: rgba(255, 253, 247, 0.82);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--paper);
}

.locale-badge {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  color: var(--pale);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
}

.hero::before,
.hero::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
}

.hero::before {
  width: 42rem;
  height: 42rem;
  top: -20rem;
  right: -10rem;
  border: 8rem solid rgba(101, 185, 110, 0.14);
}

.hero::after {
  width: 24rem;
  height: 24rem;
  right: 10%;
  bottom: -18rem;
  border: 1px solid rgba(225, 241, 223, 0.2);
}

.hero-grid {
  display: grid;
  min-height: calc(100vh - 5rem);
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  padding-block: clamp(5rem, 11vw, 9rem);
}

.eyebrow {
  margin: 0 0 1.15rem;
  color: var(--mid);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.on-dark .eyebrow,
.hero .eyebrow {
  color: var(--living);
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.25rem, 7.5vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.hero-lead {
  max-width: 43rem;
  margin: 2rem 0 0;
  color: rgba(255, 253, 247, 0.8);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--living);
  border-radius: 999px;
  padding: 0.72rem 1.15rem;
  background: var(--living);
  color: var(--deepest);
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: #79c881;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.34);
  background: transparent;
  color: var(--paper);
}

.button.secondary:hover {
  border-color: var(--paper);
  background: rgba(255, 255, 255, 0.06);
}

.hero-note {
  margin: 1.5rem 0 0;
  color: rgba(255, 253, 247, 0.58);
  font-size: 0.88rem;
}

.mark-stage {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
}

.mark-stage::before {
  position: absolute;
  inset: 8%;
  border-radius: inherit;
  background: var(--paper);
  box-shadow: 0 2rem 6rem rgba(9, 40, 31, 0.4);
  content: "";
}

.mark-stage img {
  position: relative;
  width: 72%;
}

section {
  padding-block: clamp(5rem, 10vw, 8.5rem);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 6rem);
  margin-bottom: 3.5rem;
}

h2 {
  margin: 0;
  font-size: clamp(2.45rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.section-intro {
  max-width: 44rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
}

.premise {
  background: var(--sand);
}

.premise-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}

.premise h2 {
  max-width: 13ch;
}

.premise-copy {
  margin: 0;
  color: var(--muted);
  font-size: 1.16rem;
}

.problem-grid,
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--line);
}

.idea-card,
.principle-card {
  min-height: 18rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--paper);
}

.card-number {
  color: var(--mid);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h3 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.35rem;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.idea-card p,
.principle-card p {
  margin: 0;
  color: var(--muted);
}

.vision {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
}

.vision::after {
  position: absolute;
  width: 28rem;
  height: 28rem;
  right: -8rem;
  bottom: -14rem;
  border: 6rem solid rgba(101, 185, 110, 0.13);
  border-radius: 50%;
  content: "";
}

.vision-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.vision h2 {
  max-width: 11ch;
}

.vision-copy > p {
  margin: 0;
  color: rgba(255, 253, 247, 0.76);
  font-size: 1.18rem;
}

.vision-statement {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 2px solid var(--living);
  color: var(--pale);
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.principles {
  background: var(--sand);
}

.principle-card {
  background: var(--paper);
}

.principle-card h3 {
  margin-top: 0;
}

.climate {
  background: var(--deepest);
  color: var(--paper);
}

.on-dark .section-intro {
  color: rgba(255, 253, 247, 0.72);
}

.climate-path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: climate;
}

.climate-step {
  counter-increment: climate;
  padding-top: 1.25rem;
  border-top: 2px solid var(--living);
}

.climate-step::before {
  color: var(--living);
  content: "0" counter(climate);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.climate-step h3 {
  margin: 1.1rem 0 0.7rem;
}

.climate-step p {
  margin: 0;
  color: rgba(255, 253, 247, 0.68);
}

.caveat {
  max-width: 48rem;
  margin: 3.5rem 0 0;
  padding: 1.1rem 1.25rem;
  border-left: 3px solid var(--living);
  background: rgba(255, 255, 255, 0.05);
  color: var(--pale);
  font-size: 0.94rem;
}

.measure-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.measure-copy h2 {
  max-width: 14ch;
}

.measure-copy .section-intro {
  margin-top: 2rem;
}

.metric-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.metric {
  display: grid;
  min-height: 9rem;
  place-items: end start;
  border-radius: 1rem;
  padding: 1.25rem;
  background: var(--pale);
  color: var(--deep);
  font-size: 1.08rem;
  font-weight: 700;
}

.participation {
  background: var(--sand);
}

.participation-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  padding: clamp(2rem, 7vw, 5.5rem);
  background: var(--deep);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.participation-card::after {
  position: absolute;
  width: 22rem;
  height: 22rem;
  top: -13rem;
  right: -8rem;
  border: 5rem solid rgba(101, 185, 110, 0.17);
  border-radius: 50%;
  content: "";
}

.participation-card > * {
  position: relative;
  z-index: 1;
}

.participation-card h2 {
  max-width: 14ch;
}

.participation-card .section-intro {
  margin-top: 1.75rem;
  color: rgba(255, 253, 247, 0.76);
}

.feedback-note {
  max-width: 42rem;
  margin: 1rem 0 0;
  color: rgba(255, 253, 247, 0.58);
  font-size: 0.86rem;
}

.feedback-form {
  max-width: 48rem;
  margin-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
}

.feedback-fields {
  display: grid;
  gap: 1.25rem;
}

.field-group {
  display: grid;
  gap: 0.45rem;
}

.field-group label {
  color: var(--paper);
  font-weight: 700;
}

.field-group select,
.field-group textarea {
  width: 100%;
  border: 2px solid transparent;
  border-radius: 0.75rem;
  padding: 0.8rem 0.9rem;
  background: var(--paper);
  color: var(--graphite);
  font: inherit;
}

.field-group textarea {
  min-height: 10rem;
  resize: vertical;
}

.field-group select:focus-visible,
.field-group textarea:focus-visible {
  border-color: var(--living);
  outline: 0.2rem solid rgba(101, 185, 110, 0.35);
  outline-offset: 0.15rem;
}

.field-hint,
.feedback-privacy {
  margin: 0;
  color: rgba(255, 253, 247, 0.7);
  font-size: 0.86rem;
}

.feedback-privacy {
  margin: 1.25rem 0;
}

.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.feedback-form button {
  font: inherit;
  cursor: pointer;
}

.feedback-form button:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.feedback-status {
  min-height: 1.65rem;
  margin: 1rem 0 0;
  font-weight: 700;
}

.feedback-status[data-state="success"] {
  color: var(--living);
}

.feedback-status[data-state="error"] {
  color: #ffd2c9;
}

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

.site-footer {
  padding-block: 2.5rem;
  background: var(--deepest);
  color: rgba(255, 253, 247, 0.68);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 2rem;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.footer-links a:hover {
  color: var(--paper);
}

.manifesto-hero {
  padding-block: clamp(5rem, 10vw, 8rem);
  background: var(--deep);
  color: var(--paper);
}

.manifesto-hero h1 {
  max-width: 12ch;
}

.manifesto-hero .hero-lead {
  max-width: 38rem;
}

.manifesto-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.34fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.manifesto-content {
  max-width: 48rem;
}

.manifesto-content h2 {
  margin: 5rem 0 1.5rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.manifesto-content h2:first-child {
  margin-top: 0;
}

.manifesto-content h3 {
  margin-top: 3rem;
}

.manifesto-content p,
.manifesto-content li {
  font-size: 1.08rem;
}

.manifesto-content p {
  margin: 0 0 1.4rem;
}

.manifesto-content ul,
.manifesto-content ol {
  margin: 0 0 1.75rem;
  padding-left: 1.4rem;
}

.manifesto-content li + li {
  margin-top: 0.7rem;
}

.manifesto-content blockquote {
  margin: 3rem 0;
  border-left: 4px solid var(--living);
  padding: 0.25rem 0 0.25rem 1.5rem;
  color: var(--deep);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
}

.notice {
  margin: 0 0 3rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem;
  background: var(--sand);
}

.notice strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--deep);
}

.notice p {
  margin: 0;
  font-size: 0.96rem;
}

.manifesto-aside {
  position: sticky;
  top: 7rem;
  border-top: 2px solid var(--living);
  padding-top: 1.25rem;
}

.manifesto-aside p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.manifesto-aside a {
  display: block;
  margin-top: 0.85rem;
  color: var(--deep);
  font-weight: 700;
}

@media (max-width: 920px) {
  .site-nav {
    min-height: 4.5rem;
  }

  .nav-links {
    display: none;
  }

  .hero-grid,
  .premise-card,
  .section-heading,
  .vision-grid,
  .measure-grid,
  .manifesto-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
  }

  .mark-stage {
    width: min(70vw, 26rem);
    justify-self: center;
  }

  .problem-grid,
  .principle-grid {
    grid-template-columns: 1fr 1fr;
  }

  .climate-path {
    grid-template-columns: 1fr 1fr;
  }

  .manifesto-aside {
    position: static;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(calc(100% - 1.25rem), var(--max));
  }

  .brand-link img {
    width: 11rem;
  }

  .locale-badge {
    display: none;
  }

  .hero-grid {
    padding-block: 4.5rem;
  }

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

  .button {
    width: 100%;
  }

  .feedback-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .problem-grid,
  .principle-grid,
  .climate-path,
  .metric-list {
    grid-template-columns: 1fr;
  }

  .idea-card,
  .principle-card {
    min-height: auto;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

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

  .button {
    transition: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .manifesto-aside,
  .actions {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  section,
  .manifesto-hero {
    padding-block: 2rem;
    background: white;
    color: black;
  }
}
.source-note {
  margin: -1rem 0 2.5rem;
  max-width: 46rem;
  color: #4a5a53;
  font-size: 0.95rem;
}

.source-note a,
.caveat a {
  color: inherit;
  font-weight: 700;
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.18em;
}