:root {
  --brand: #2f5f3a;
  --brand-dark: #1f3f28;
  --brand-soft: #eef6ef;
  --surface: #ffffff;
  --surface-soft: #f7faf7;
  --ink: #17211b;
  --muted: #637267;
  --line: rgba(47, 95, 58, 0.18);
  --shadow: 0 1.35rem 3rem rgba(31, 63, 40, 0.08);
  --radius: 18px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfdfb 0%, #f2f7f2 58%, #ffffff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--brand-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(47, 95, 58, 0.42);
  outline-offset: 4px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 253, 251, 0.92);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.2rem 0.75rem;
}

.site-nav a {
  border-radius: 999px;
  padding: 0.38rem 0.64rem;
  color: var(--brand-dark);
  font-size: 0.92rem;
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  background: var(--brand-soft);
}

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

main {
  padding-block: clamp(2.6rem, 6vw, 5rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  min-height: calc(100vh - 126px);
}

.hero-copy {
  max-width: 680px;
}

.eyebrow,
.label {
  display: inline-flex;
  align-items: center;
  margin: 0 0 0.85rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  padding: 0.3rem 0.68rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 11ch;
  font-size: clamp(2.65rem, 7vw, 5.4rem);
}

h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: 1.15rem;
}

.lead {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--brand);
  color: #ffffff;
  padding: 0.66rem 1.05rem;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--brand-dark);
}

.media-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.media-card picture img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
}

.media-caption {
  margin: 0;
  padding: 1rem 1.1rem 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding-block: clamp(3rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.section-header {
  margin-bottom: 1.6rem;
}

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

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: clamp(1rem, 4vw, 2rem);
  align-items: start;
}

.card {
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  padding: 1.35rem;
}

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

.fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  padding: 1rem;
}

.fact-list strong {
  display: block;
  color: var(--brand-dark);
}

.topic-list {
  display: grid;
  gap: 0.75rem;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  padding: 0.95rem 1.05rem;
}

summary {
  cursor: pointer;
  color: var(--brand-dark);
  font-weight: 800;
}

.notice {
  border: 1px solid rgba(47, 95, 58, 0.25);
  border-radius: var(--radius);
  background: var(--brand-soft);
  color: var(--brand-dark);
  padding: 1rem 1.1rem;
}

.video-shell {
  margin-top: 1.4rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #0f1712;
}

.video-shell video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem 3rem;
  color: var(--muted);
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

@media (max-width: 900px) {
  .nav-wrap,
  .hero,
  .two-col {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    align-items: flex-start;
    padding-block: 0.9rem;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .grid,
  .fact-list {
    grid-template-columns: 1fr;
  }

  h1,
  h2 {
    max-width: none;
  }
}