:root {
  --ink: #102f2b;
  --muted: #5a6a66;
  --paper: #fbfaf6;
  --soft: #eef3ec;
  --green: #1f5c4a;
  --green-dark: #123c34;
  --blue: #315f78;
  --gold: #d79c3d;
  --clay: #a85e45;
  --white: #ffffff;
  --line: rgba(16, 47, 43, 0.14);
  --shadow: 0 18px 50px rgba(16, 47, 43, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 74px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 246, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand,
.nav-links,
.header-cta,
.donate-card {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 850;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, transparent 48%, rgba(255, 255, 255, 0.7) 49%),
    linear-gradient(135deg, var(--green), var(--blue));
}

.nav-links {
  gap: 26px;
  justify-content: center;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.header-cta {
  justify-self: end;
  min-height: 42px;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 74px));
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -2;
  object-fit: cover;
  object-position: 60% center;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(251, 250, 246, 0.99) 0%, rgba(251, 250, 246, 0.91) 34%, rgba(251, 250, 246, 0.32) 66%, rgba(251, 250, 246, 0.08) 100%),
    linear-gradient(0deg, rgba(16, 47, 43, 0.1), rgba(16, 47, 43, 0.02));
}

.hero-content {
  width: min(690px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding: 58px 0;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 11ch;
  margin-bottom: 20px;
  font-size: clamp(3rem, 6.3vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 610px;
  margin-bottom: 30px;
  color: #31423e;
  font-size: clamp(1.05rem, 1.65vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.contact-form button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0 22px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button-primary,
.contact-form button {
  background: var(--green);
  color: var(--white);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(16, 47, 43, 0.18);
  color: var(--green-dark);
}

.section-inner {
  width: min(1180px, calc(100% - 36px));
  margin-inline: auto;
}

.credibility-strip {
  position: relative;
  z-index: 2;
  padding: 0 0 56px;
  background: var(--paper);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: -48px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.credibility-grid div {
  min-height: 128px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.credibility-grid div:last-child {
  border-right: 0;
}

.credibility-grid strong {
  font-size: 1.28rem;
}

.credibility-grid span,
.model-copy p,
.model-steps p,
.impact-cards p,
.proof-panel p,
.proof-list span,
.funding-layout p,
.funding-grid p,
.donate-layout p,
.contact-layout p {
  color: var(--muted);
  line-height: 1.65;
}

.model {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
  padding: 48px 0 96px;
}

.model h2,
.impact-layout h2,
.proof-panel h2,
.funding-layout h2,
.donate-layout h2,
.contact-layout h2 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: 1.03;
  letter-spacing: 0;
}

.model-steps {
  display: grid;
  gap: 14px;
}

.model-steps article,
.impact-cards article,
.proof-panel,
.funding-grid article,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.model-steps article {
  display: grid;
  grid-template-columns: 54px 1fr;
  column-gap: 18px;
  padding: 24px;
}

.model-steps span {
  grid-row: span 2;
  color: var(--gold);
  font-size: 1.5rem;
  font-weight: 850;
}

.model-steps h3,
.impact-cards h3,
.funding-grid h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.impact-band {
  padding: 92px 0;
  background: var(--soft);
}

.impact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: start;
}

.impact-cards {
  display: grid;
  gap: 16px;
}

.impact-cards article {
  padding: 26px;
}

.impact-cards article:first-child {
  border-left: 6px solid var(--gold);
}

.impact-cards article:nth-child(2) {
  border-left: 6px solid var(--green);
}

.impact-cards article:nth-child(3) {
  border-left: 6px solid var(--blue);
}

.proof-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.75fr);
  gap: clamp(30px, 7vw, 84px);
  align-items: stretch;
  padding: 96px 0;
}

.proof-panel {
  padding: 34px;
  background: var(--green-dark);
  color: var(--white);
}

.proof-panel .eyebrow,
.proof-panel p {
  color: #dce8dd;
}

.proof-list {
  display: grid;
  gap: 14px;
}

.proof-list div {
  display: grid;
  gap: 8px;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--line);
}

.proof-list strong {
  font-size: 1.15rem;
}

.funding-band {
  padding: 92px 0;
  background:
    linear-gradient(90deg, rgba(49, 95, 120, 0.1), rgba(215, 156, 61, 0.16)),
    var(--paper);
  border-top: 1px solid var(--line);
}

.funding-layout {
  display: grid;
  gap: 34px;
}

.funding-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.funding-grid article {
  min-height: 230px;
  padding: 26px;
}

.donate-band {
  padding: 82px 0;
  background: var(--paper);
}

.donate-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.52fr);
  gap: clamp(28px, 7vw, 88px);
  align-items: center;
}

.donate-card {
  min-height: 220px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 28px;
  border-radius: 8px;
  background: var(--green-dark);
  color: var(--white);
  box-shadow: var(--shadow);
}

.donate-card span {
  color: #dce8dd;
  font-weight: 750;
}

.donate-card strong {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-size: 1.05rem;
}

.contact-band {
  padding: 86px 0;
  background: var(--green-dark);
  color: var(--white);
}

.contact-band .eyebrow,
.contact-band p {
  color: #dce8dd;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.68fr);
  gap: clamp(32px, 8vw, 100px);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  color: var(--ink);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfcfa;
  font: inherit;
}

.contact-form textarea {
  min-height: 118px;
  resize: vertical;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--muted);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 850;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 730px;
    align-items: end;
  }

  .hero-image {
    object-position: 64% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(251, 250, 246, 0.99) 0%, rgba(251, 250, 246, 0.94) 43%, rgba(251, 250, 246, 0.28) 80%, rgba(251, 250, 246, 0.04) 100%),
      linear-gradient(90deg, rgba(16, 47, 43, 0.1), rgba(16, 47, 43, 0.04));
  }

  .hero-content {
    width: min(100% - 36px, 660px);
    margin: 0 auto;
    padding-bottom: 44px;
  }

  .credibility-grid,
  .model,
  .impact-layout,
  .proof-section,
  .funding-grid,
  .donate-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .credibility-grid div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .model,
  .proof-section {
    padding: 68px 0;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 64px;
    padding: 11px 14px;
  }

  .brand {
    font-size: 0.94rem;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .header-cta {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: 720px;
  }

  .hero-image {
    object-position: 66% top;
  }

  .hero-content {
    width: calc(100% - 28px);
  }

  .eyebrow {
    font-size: 0.72rem;
  }

  h1 {
    font-size: 2.95rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .credibility-grid {
    margin-top: -30px;
  }

  .model-steps article {
    grid-template-columns: 1fr;
  }

  .model h2,
  .impact-layout h2,
  .proof-panel h2,
  .funding-layout h2,
  .donate-layout h2,
  .contact-layout h2 {
    font-size: 2.18rem;
  }

  .impact-band,
  .funding-band,
  .donate-band,
  .contact-band {
    padding: 64px 0;
  }

  .site-footer {
    flex-direction: column;
  }
}