:root {
  --color-forest: #1f3d2b;
  --color-forest-deep: #15291d;
  --color-leaf: #2f6b3b;
  --color-leaf-light: #e3efe2;
  --color-wheat: #d9a441;
  --color-wheat-light: #f6ead0;
  --color-paper: #f4f1ea;
  --color-card: #ffffff;
  --color-ink: #1f2a24;
  --color-muted: #5f6b63;
  --color-line: #e2ded3;
  --radius-card: 18px;
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0 0 10px;
  line-height: 1.2;
}

h1 {
  font-size: 40px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 26px;
  margin-bottom: 14px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0 0 12px;
  line-height: 1.55;
}

a {
  color: var(--color-leaf);
}

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

:focus-visible {
  outline: 3px solid var(--color-wheat);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 20;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--color-card);
  color: var(--color-forest);
  font-weight: 650;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 calc(20px + var(--safe-right)) 0 calc(20px + var(--safe-left));
}

.narrow > p,
.narrow > ul {
  max-width: 760px;
}

.narrow-text {
  max-width: 720px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 12px 22px;
  border-radius: 14px;
  border: 1.5px solid transparent;
  font: inherit;
  font-size: 16px;
  font-weight: 650;
  text-decoration: none;
  touch-action: manipulation;
}

.button-primary {
  background: var(--color-leaf);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--color-forest);
}

.hero .button-primary {
  background: #367a49;
  color: #ffffff;
}

.hero .button-primary:hover {
  background: var(--color-leaf);
}

.button-secondary-dark {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.7);
}

.button-secondary-dark:hover {
  background: rgba(255, 255, 255, 0.1);
}

.button-small {
  width: auto;
  min-height: 40px;
  padding: 6px 14px;
  font-size: 14px;
  background: var(--color-leaf-light);
  color: var(--color-leaf);
}

.button-small:hover {
  background: #ffffff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-forest);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
}

.header-nav {
  display: none;
}

.hero {
  background: radial-gradient(circle at 75% 40%, #2a5238 0%, var(--color-forest) 45%, var(--color-forest-deep) 100%);
  color: #ffffff;
  overflow: hidden;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 32px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--color-wheat);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-promise {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
}

.hero-detail {
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
}

.hero-globe {
  margin: 0 auto;
  width: 260px;
  max-width: 72vw;
  text-align: center;
}

.hero-globe img {
  display: block;
  width: 100%;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(236, 214, 160, 0.25), 0 0 48px 6px rgba(120, 180, 255, 0.22);
}

.hero-globe figcaption {
  margin-top: 14px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.section {
  padding: 48px 0;
}

.section-tinted {
  background: var(--color-wheat-light);
}

.lead {
  font-size: 19px;
  line-height: 1.5;
  font-weight: 550;
  color: var(--color-ink);
}

.note {
  margin-top: 8px;
  color: var(--color-muted);
}

.small {
  font-size: 13px;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: 0 1px 3px rgba(31, 42, 36, 0.08);
}

.card p:last-child {
  margin-bottom: 0;
}

.card-subheading {
  margin-top: 22px;
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: var(--color-leaf-light);
  color: var(--color-leaf);
  font-size: 18px;
  font-weight: 750;
}

.input-list {
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
  background: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: 0 1px 3px rgba(31, 42, 36, 0.08);
}

.input-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border-top: 1px solid var(--color-line);
  line-height: 1.5;
}

.input-list li:first-child {
  border-top: none;
}

.input-list span {
  color: var(--color-muted);
}

.name-grid,
.volunteer-grid,
.data-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.word {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 10px;
  background: var(--color-forest);
  color: var(--color-wheat-light);
  font-size: 22px;
}

.plain-list {
  margin: 0;
  padding: 0 0 0 20px;
}

.plain-list li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.plain-list li:last-child {
  margin-bottom: 0;
}

.plain-list li::marker {
  color: var(--color-leaf);
}

.section-action {
  margin-top: 22px;
}

.site-footer {
  background: var(--color-forest);
  color: rgba(255, 255, 255, 0.82);
  padding: 36px 0 calc(36px + env(safe-area-inset-bottom, 0px));
}

.site-footer strong {
  color: #ffffff;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 750;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-links a {
  display: inline-block;
  padding: 8px 0;
  color: #ffffff;
  font-weight: 600;
}

@media (min-width: 600px) {
  h1 {
    font-size: 48px;
  }

  .hero-actions {
    flex-direction: row;
  }

  .hero-actions .button {
    width: auto;
  }

  .section-action .button {
    width: auto;
  }

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

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

@media (min-width: 900px) {
  h1 {
    font-size: 60px;
  }

  h2 {
    font-size: 32px;
  }

  .header-nav {
    display: flex;
    gap: 6px;
    margin-left: auto;
  }

  .header-nav a {
    padding: 8px 12px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
  }

  .header-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
  }

  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .hero-text {
    flex: 1;
    max-width: 560px;
  }

  .hero-promise {
    font-size: 24px;
  }

  .hero-detail {
    font-size: 17px;
  }

  .hero-globe {
    flex: none;
    width: 480px;
    margin: 0;
  }

  .section {
    padding: 80px 0;
  }

  .steps,
  .volunteer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .card {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .footer-inner > div {
    max-width: 560px;
  }

  .footer-links {
    align-items: flex-end;
  }
}

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