*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-alt: #eef2f3;
  --text: #1f2933;
  --muted: #52606d;
  --border: #d9e2ec;
  --accent: #1f5f66;
  --accent-dark: #16474c;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --max-width: 1120px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.narrow {
  width: min(760px, 100%);
}

.site-header {
  background: rgba(246, 247, 248, 0.94);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 50;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 138px;
}

.site-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.site-title:hover {
  text-decoration: none;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  transition: color 0.15s ease, opacity 0.15s ease;
}

.site-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.1;
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.hero-small {
  padding: 2.5rem 0 2rem;
}

.button {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.hero-card,
.card,
.feature-list,
.split-highlight > div,
.supporter-card,
.support-story,
.highlight-card,
.research-theme-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-card:hover,
.card:hover,
.feature-list:hover,
.split-highlight > div:hover,
.supporter-card:hover,
.support-story:hover,
.highlight-card:hover,
.research-theme-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}

.hero-card {
  padding: 1.6rem;
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.section {
  padding: 4.5rem 0;
}

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

.section h2 {
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-size: 2rem;
  line-height: 1.2;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 2rem;
}

.card {
  padding: 1.5rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.two-column {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.feature-list {
  padding: 1.5rem;
}

.feature-list ul {
  margin: 0;
  padding-left: 1.1rem;
}

.feature-list li + li {
  margin-top: 0.7rem;
}

.split-highlight {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.split-highlight > div {
  padding: 1.5rem;
}

.text-link {
  font-weight: 700;
}

.callout {
  text-align: center;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.site-footer p {
  margin: 0.35rem 0;
  color: var(--muted);
}

main .narrow p {
  margin-bottom: 1rem;
}

.publication-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.publication-image-wrap {
  width: 100%;
  margin-bottom: 0.4rem;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}

.publication-image {
  width: 100%;
  height: 120px;
  object-fit: contain;
  display: block;
  background: transparent;
  border: none;
  border-radius: 0;
}

.publication-top {
  display: block;
}

.publication-middle {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.75rem 0 1rem;
}

.publication-figure {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  display: block;
  background: transparent;
  border: none;
  border-radius: 0;
}

.publication-bottom {
  margin-top: auto;
}

.publication-link {
  margin: 0;
  padding-top: 0.4rem;
}

.hero-photo-wrap {
  margin: 1rem 0 1rem;
}

.hero-photo {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 14px;
}

.page-banner-section {
  padding-top: 1rem;
  padding-bottom: 1.25rem;
}

.page-banner-image {
  display: block;
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 18px;
}

.page-image-section {
  padding-top: 1.5rem;
  padding-bottom: 0.75rem;
}

.page-image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.page-image-grid img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 16px;
}

.supporters-intro {
  max-width: 820px;
  color: var(--muted);
  margin-bottom: 2rem;
}

.supporters-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.supporter-card {
  padding: 1.5rem;
}

.logo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: center;
  justify-items: center;
}

.logo-grid img {
  max-width: 100%;
  max-height: 95px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
}

.supporters-link {
  margin-top: 1.5rem;
}

.logo-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.logo-panel img {
  max-width: 100%;
  max-height: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
}

.support-story {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
}

.support-story-image img {
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.support-story-text h2 {
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.support-story-text p:last-child {
  margin-bottom: 0;
}

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

.site-brand:hover .site-logo-full {
  transform: scale(1.03);
}

.site-logo-full {
  height: 125px;
  width: auto;
  display: block;
  transition: transform 0.15s ease;
}

.footer-logo {
  height: 120px;
  width: auto;
  margin-bottom: 0.75rem;
  display: block;
  transition: transform 0.15s ease;
}

.site-footer a:hover .footer-logo {
  transform: scale(1.03);
}

.highlights-section {
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.highlight-card {
  padding: 1.5rem;
}

.highlight-label {
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
}

.highlight-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
  line-height: 1.3;
}

.highlight-card p:last-of-type {
  margin-bottom: 1rem;
}

.research-themes-section {
  padding-top: 1rem;
  padding-bottom: 2.5rem;
}

.research-themes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.research-theme-card {
  padding: 1.5rem;
}

.research-theme-label {
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
}

.research-theme-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
  line-height: 1.3;
}

.research-theme-card p:last-of-type {
  margin-bottom: 1rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .two-column,
  .split-highlight,
  .card-grid,
  .supporters-grid,
  .highlights-grid,
  .research-themes-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .site-nav ul {
    gap: 0.9rem;
  }

  .hero {
    padding-top: 3.5rem;
  }
}

@media (max-width: 700px) {
  .page-banner-image {
    height: 80px;
  }

  .page-image-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .page-image-grid img {
    height: 160px;
    object-fit: cover;
  }

  .support-story {
    grid-template-columns: 1fr;
  }

  .site-logo-full {
    height: 78px;
  }

  .footer-logo {
    height: 78px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}