:root {
  --ink: #10243f;
  --muted: #54657a;
  --line: #dce4ed;
  --surface: #ffffff;
  --soft: #f4f9e8;
  --green: #95c11f;
  --green-dark: #4f8f1f;
  --blue: #003399;
  --yellow: #fabe3c;
  --shadow: 0 18px 38px rgba(16, 36, 63, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: "Fira Sans", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--green-dark);
  text-decoration: underline;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(220, 228, 237, 0.9);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(300px, 1fr) auto;
  grid-template-areas:
    "brand funding toggle"
    "nav nav nav";
  align-items: center;
  column-gap: 30px;
  row-gap: 12px;
  padding: 14px 0 12px;
}

.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 260px;
  display: block;
}

.funding-strip {
  grid-area: funding;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  width: min(100%, 580px);
  padding: 10px 14px;
  border: 1px solid rgba(220, 228, 237, 0.9);
  border-radius: var(--radius);
  background: rgba(244, 249, 232, 0.58);
  color: var(--muted);
  font-size: 0.82rem;
}

.funding-strip span {
  min-width: 0;
}

.funding-strip img {
  width: 230px;
  max-height: 48px;
  object-fit: contain;
}

.site-nav {
  grid-area: nav;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid rgba(220, 228, 237, 0.78);
  font-size: 0.88rem;
  font-weight: 600;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
}

.site-nav > a:hover,
.site-nav > a:focus {
  background: var(--soft);
  color: var(--green-dark);
  text-decoration: none;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.language-switch a {
  min-width: 34px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.78rem;
  line-height: 1;
  text-decoration: none;
}

.language-switch a:hover,
.language-switch a:focus {
  color: var(--blue);
  text-decoration: none;
}

.language-switch a.is-active {
  background: var(--blue);
  color: #fff;
}

.menu-toggle {
  grid-area: toggle;
  display: none;
  justify-self: end;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  padding: 8px 12px;
}

.section-band {
  background:
    linear-gradient(180deg, rgba(243, 248, 246, 0.95), rgba(255, 255, 255, 1)),
    radial-gradient(circle at 20% 20%, rgba(95, 174, 45, 0.12), transparent 38%),
    radial-gradient(circle at 82% 18%, rgba(11, 78, 162, 0.12), transparent 34%);
}

.hero {
  min-height: calc(100vh - 82px);
  display: flex;
  align-items: center;
  padding: 72px 0 58px;
}

.hero-content {
  text-align: center;
}

.hero-logo-link {
  display: inline-block;
}

.hero-logo {
  width: min(520px, 86vw);
  margin: 0 auto 26px;
  display: block;
}

.eyebrow,
.card-kicker {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.16;
  color: var(--ink);
}

h1 {
  max-width: 980px;
  margin: 0 auto;
  font-size: clamp(2rem, 5vw, 4.2rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
}

h3 {
  font-size: 1.22rem;
}

.lead {
  max-width: 860px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button.primary {
  background: var(--green);
  color: #fff;
}

.button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 42px auto 0;
  max-width: 1020px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.fact-grid div {
  background: #fff;
  padding: 18px;
  text-align: left;
}

.fact-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.fact-grid dd {
  margin: 5px 0 0;
  color: var(--ink);
  font-weight: 600;
}

.content-section {
  padding: 86px 0;
}

.alt-section {
  background: var(--soft);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  margin: 16px 0 0;
}

.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 32px;
  align-items: end;
}

.feature-grid,
.collaboration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.summary-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 20px;
}

.summary-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 26px rgba(16, 36, 63, 0.07);
  padding: 24px;
}

.summary-card p {
  color: var(--muted);
}

.check-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.check-list li {
  position: relative;
  padding-left: 26px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.feature-card,
.publication-card,
.deliverable-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 26px rgba(16, 36, 63, 0.07);
}

.feature-card,
.publication-card {
  padding: 22px;
}

.feature-card p,
.publication-card p {
  color: var(--muted);
}

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

.deliverable-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
}

.deliverable-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 42px;
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
}

.download-link:hover,
.download-link:focus {
  color: #fff;
  background: var(--green-dark);
  text-decoration: none;
}

.publication-tools {
  display: grid;
  gap: 10px;
}

.publication-tools label {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
}

.publication-tools input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  font: inherit;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 8px 11px;
}

.filter-button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.publication-card {
  min-height: 230px;
  overflow-wrap: anywhere;
}

.publication-card h3 {
  margin-bottom: 12px;
}

.publication-card a {
  display: inline-block;
  margin-top: 6px;
  font-weight: 700;
}

.empty-state {
  margin: 26px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
}

.people-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.people-layout h3 {
  margin-bottom: 14px;
}

.people-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.people-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

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

.people-list a {
  color: var(--ink);
}

.people-list a:hover,
.people-list a:focus {
  color: var(--green-dark);
}

.site-footer {
  background: #fff;
  color: var(--ink);
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.site-footer .eyebrow {
  color: var(--green-dark);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

.footer-language {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.footer-language a {
  color: var(--ink);
  font-weight: 700;
}

.footer-language a.is-active {
  color: var(--blue);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 480px);
  gap: 36px;
  align-items: center;
}

.footer-logos {
  display: grid;
  gap: 18px;
  justify-items: end;
}

.footer-logos a,
.footer-logos img {
  display: block;
}

.footer-logos img {
  max-height: 96px;
  object-fit: contain;
  background: transparent;
  border-radius: 4px;
  padding: 0;
}

.footer-logos .footer-paver-logo {
  width: min(460px, 100%);
  max-height: none;
}

.footer-logos .footer-prima-logo {
  width: min(360px, 100%);
}

.paver-a-pop {
  position: fixed;
  top: 0;
  left: 0;
  width: clamp(42px, 4.4vw, 64px);
  z-index: 80;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 12px 18px rgba(16, 36, 63, 0.24));
  transform: translate(-50%, -50%) scale(0.4);
  animation: paver-a-pop 920ms cubic-bezier(0.2, 0.8, 0.24, 1) forwards;
  will-change: opacity, transform;
}

@keyframes paver-a-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.4) rotate(-8deg);
  }

  18% {
    opacity: 1;
  }

  58% {
    opacity: 1;
    transform: translate(-50%, -118%) scale(1.08) rotate(4deg);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -168%) scale(0.9) rotate(12deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .paver-a-pop {
    animation-duration: 1ms;
  }
}

@media (max-width: 1180px) {
  .header-inner {
    grid-template-columns: minmax(220px, 250px) minmax(280px, 1fr) auto;
    column-gap: 22px;
  }

  .brand img {
    width: 240px;
  }

  .funding-strip {
    justify-content: center;
    width: min(100%, 540px);
  }

  .funding-strip img {
    width: 210px;
  }
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: minmax(210px, 240px) minmax(260px, 1fr);
    grid-template-areas:
      "brand funding"
      "nav nav";
    column-gap: 20px;
  }

  .site-nav {
    gap: 5px;
  }

  .site-nav > a {
    padding-inline: 9px;
  }

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

  .split-heading,
  .footer-grid,
  .people-layout,
  .summary-layout {
    grid-template-columns: 1fr;
  }

  .footer-logos {
    justify-items: start;
  }
}

@media (max-width: 820px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand toggle"
      "funding funding"
      "nav nav";
    row-gap: 10px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px 0 4px;
  }

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

  .site-nav > a {
    width: 100%;
    justify-content: flex-start;
    min-height: 40px;
    background: #fff;
    border-color: var(--line);
    border-radius: 6px;
  }

  .language-switch {
    grid-column: 1 / -1;
    align-self: flex-start;
    margin-top: 2px;
  }

  .funding-strip {
    justify-self: stretch;
    justify-content: flex-start;
    width: 100%;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .container {
    width: min(100% - 28px, 1120px);
  }

  .header-inner {
    width: min(100% - 28px, 1120px);
    min-height: auto;
    padding: 12px 0;
  }

  .brand img {
    width: min(215px, 58vw);
  }

  .funding-strip {
    padding: 10px 12px;
  }

  .funding-strip span {
    width: 100%;
  }

  .funding-strip img {
    width: min(210px, 100%);
  }

  .language-switch a {
    min-width: 38px;
  }

  .site-nav {
    border-top: 1px solid var(--line);
  }

  .hero {
    min-height: auto;
    padding: 48px 0;
  }

  .fact-grid,
  .feature-grid,
  .collaboration-grid,
  .publication-grid,
  .deliverable-item {
    grid-template-columns: 1fr;
  }

  .download-link {
    justify-self: start;
  }

  .content-section {
    padding: 60px 0;
  }

  .footer-logos .footer-prima-logo {
    width: min(300px, 100%);
  }
}