:root {
  --irri-green: #006b3f;
  --irri-green-dark: #053b28;
  --irri-green-soft: #e7f2ec;
  --leaf: #3c9a4f;
  --gold: #f2b93b;
  --ink: #14231c;
  --muted: #586961;
  --line: #d9e4dd;
  --paper: #fbfcf8;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(6, 38, 27, 0.12);
}

*,
*::before,
*::after {
  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;
  line-height: 1.6;
}

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

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

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

p {
  color: var(--muted);
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--irri-green);
  border-radius: 0.4rem;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 252, 248, 0.94);
  border-bottom: 1px solid rgba(217, 228, 221, 0.84);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand__logo {
  width: clamp(230px, 30vw, 340px);
  height: auto;
  border-radius: 0.35rem;
  box-shadow: 0 8px 20px rgba(5, 59, 40, 0.12);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.nav__links::-webkit-scrollbar {
  display: none;
}

.nav__links a {
  padding: 0.65rem 0.8rem;
  color: #284338;
  border-radius: 0.35rem;
  font-size: 0.92rem;
  font-weight: 650;
}

.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--irri-green);
  background: var(--irri-green-soft);
  outline: none;
}

.hero {
  position: relative;
  height: clamp(520px, 74svh, 720px);
  min-height: 520px;
  overflow: hidden;
  isolation: isolate;
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5, 59, 40, 0.92), rgba(5, 59, 40, 0.64) 40%, rgba(5, 59, 40, 0.1) 74%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.14));
}

.hero__content {
  width: min(1180px, calc(100% - 32px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1rem;
  padding: 3rem 0 5rem;
}

.eyebrow {
  color: var(--irri-green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.section--contact .eyebrow {
  color: var(--gold);
}

.hero h1 {
  max-width: 740px;
  color: var(--white);
  font-size: clamp(2.85rem, 7vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.95);
  font-size: clamp(1.25rem, 2.3vw, 2rem);
  font-weight: 760;
  line-height: 1.2;
}

.hero__text {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.08rem;
}

.contact-list,
.resource-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.05rem;
  border-radius: 0.35rem;
  font-weight: 800;
  line-height: 1.1;
}

.button--outline {
  color: var(--irri-green);
  border: 1px solid rgba(0, 107, 63, 0.22);
  background: var(--white);
}

.button--outline:hover,
.button--outline:focus-visible {
  background: var(--irri-green-soft);
}

.button:hover,
.button:focus-visible,
.report-card[href]:hover,
.report-card[href]:focus-visible,
.news-card:hover,
.news-card:focus-visible,
.contact-list a:hover,
.contact-list a:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.section {
  padding: 88px 0;
}

.section--intro {
  padding-top: 112px;
}

.section--muted {
  background: #f0f6f2;
}

.section--vision {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.section__inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.two-column,
.feature-band,
.resources-layout,
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.section h2 {
  max-width: 780px;
  color: var(--irri-green-dark);
  font-size: clamp(2rem, 4.2vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.section--contact h2 {
  color: var(--white);
}

.section h3 {
  color: var(--irri-green-dark);
  font-size: 1.15rem;
  line-height: 1.22;
}

.section--contact h3 {
  color: var(--white);
}

.text-stack {
  display: grid;
  gap: 1.15rem;
}

.read-more {
  display: grid;
  gap: 1rem;
}

.read-more > summary {
  width: fit-content;
  list-style: none;
  cursor: pointer;
}

.read-more > summary::-webkit-details-marker {
  display: none;
}

.read-more__content {
  padding-left: clamp(1rem, 2vw, 1.4rem);
  border-left: 4px solid rgba(0, 107, 63, 0.16);
}

.text-stack p,
.feature-band p,
.resources-layout > div > p:not(.eyebrow),
.contact-panel > div > p:not(.eyebrow),
.section-heading > p:not(.eyebrow) {
  font-size: 1.04rem;
}

.feature-band {
  padding-left: clamp(1.25rem, 3vw, 2rem);
  border-left: 8px solid var(--irri-green);
}

.feature-band p {
  max-width: 660px;
  align-self: center;
}

.section-heading {
  max-width: 790px;
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.resource-grid,
.work-grid {
  display: grid;
  gap: 1rem;
}

.report-card,
.news-card,
.contact-list a {
  border-radius: 0.5rem;
}

.work-card p,
.news-card p {
  font-size: 0.96rem;
}

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

.work-card {
  min-height: 310px;
  overflow: hidden;
  display: grid;
  grid-template-rows: 180px 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  box-shadow: 0 14px 44px rgba(12, 50, 35, 0.08);
}

.work-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-card div {
  display: grid;
  gap: 0.4rem;
  align-content: start;
  padding: 1rem;
}

.work-card p {
  color: var(--irri-green);
  font-size: 0.76rem;
  font-weight: 820;
  text-transform: uppercase;
}

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

.resources-layout {
  align-items: stretch;
}

.resource-stack {
  flex-direction: column;
}

.report-card,
.news-card,
.contact-list a {
  padding: 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 14px 44px rgba(12, 50, 35, 0.06);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.report-card {
  display: grid;
  gap: 0.2rem;
}

.report-card span,
.news-card span,
.contact-list span {
  color: var(--irri-green);
  font-size: 0.76rem;
  font-weight: 820;
  text-transform: uppercase;
}

.report-card strong,
.news-card strong,
.contact-list strong {
  color: var(--irri-green-dark);
  font-size: 1.1rem;
  line-height: 1.24;
}

.report-card em,
.contact-list em {
  color: var(--muted);
  font-size: 0.93rem;
  font-style: normal;
}

.news-card {
  display: grid;
  gap: 0.35rem;
}

.news-card__summary {
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 400;
  text-transform: none;
}

.contact-panel {
  align-items: center;
}

.section--contact p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-list {
  flex-direction: column;
}

.contact-list a {
  display: grid;
  gap: 0.22rem;
}

.contact-list a:hover,
.contact-list a:focus-visible,
.report-card[href]:hover,
.report-card[href]:focus-visible,
.news-card:hover,
.news-card:focus-visible {
  border-color: rgba(0, 107, 63, 0.36);
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #031f15;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer__inner p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer__inner a {
  color: var(--white);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

@media (max-width: 960px) {
  .nav {
    min-height: 82px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 0.7rem 0;
  }

  .nav__links {
    width: 100%;
  }

  .hero {
    height: 68svh;
    min-height: 560px;
  }

  .hero__overlay {
    background:
      linear-gradient(90deg, rgba(5, 59, 40, 0.94), rgba(5, 59, 40, 0.68) 64%, rgba(5, 59, 40, 0.34)),
      linear-gradient(180deg, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.14));
  }

  .resource-grid,
  .work-grid,
  .two-column,
  .feature-band,
  .resources-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .section,
  .section--intro {
    padding: 64px 0;
  }

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

@media (max-width: 620px) {
  .nav {
    width: min(100% - 24px, 1180px);
  }

  .brand {
    width: 100%;
  }

  .brand__logo {
    width: min(280px, 100%);
  }

  .nav__links a {
    padding: 0.55rem 0.65rem;
    font-size: 0.86rem;
  }

  .hero {
    height: auto;
    min-height: 0;
  }

  .hero__content {
    min-height: 560px;
    padding: 3.5rem 0 4rem;
  }

  .hero__image {
    object-position: 56% top;
  }

  .hero__text {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .section__inner,
  .hero__content {
    width: min(100% - 24px, 1180px);
  }

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

  .work-card {
    min-height: 286px;
    grid-template-rows: 170px 1fr;
  }

  .footer__inner {
    display: grid;
  }
}