:root {
  --primary: #004321;
  --secondary: #efefef;
  --dark: #222;
  --light: #fff;
  --href: #27ae60;
  --max-width: 960px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
  font-size: 1.1rem;
}

#intro p {
  margin-bottom: 1rem;
}

a {
  color: var(--href);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ---------- Navigation ---------- */
header {
  background: var(--primary);
  color: var(--light);
  padding: 1rem 0;
}
.navbar {
  max-width: var(--max-width);
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar a {
  color: var(--light);
  text-decoration: none;
  margin-left: 1rem;
  margin-right: 1.5rem;
  font-weight: 600;
}
.navbar a:hover {
  opacity: 0.8;
}

/* ---------- Hero ---------- */
.hero {
  padding: 4rem 1rem 0rem;
  text-align: center;
  /* background: linear-gradient(135deg, #005432 0%, #528bff 100%); */
  color: var(--light);
}
.hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark);
}
.hero h2 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--dark);
}

/* ---------- Sections ---------- */
section {
  padding: 1rem 1rem 2rem;
  max-width: var(--max-width);
  margin: auto;
}
section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary);
}
section ul {
  margin-left: 1.5rem;
  list-style: disc;
}

/* ---------- Card Grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background: var(--secondary);
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.card h3 {
  font-size: 1.1rem;
  margin: 0.75rem 0;
  font-weight: 600;
}
.card p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.card h3 a {
  color: var(--dark);
  text-decoration: none;
}
.card h3 a:hover {
  text-decoration: underline;
}

.org-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.org-card {
  background: var(--secondary);
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.org-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}
.org-card h3 {
  font-size: 1.1rem;
  margin: 0.75rem 0;
  font-weight: 600;
}
.org-card p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.org-card h3 a {
  color: var(--dark);
  text-decoration: none;
}
.org-card h3 a:hover {
  text-decoration: underline;
}

.pc-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
.pc-table th, .pc-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--secondary);
}
.pc-table th {
  background: var(--primary);
  color: var(--light);
}
.pc-table td {
  color: var(--dark);
}
.pc-table a {
  color: var(--primary);
  text-decoration: none;
}
.pc-table a:hover {
  text-decoration: underline;
}

/* ---------- Footer ---------- */
footer {
  padding: 2rem 1rem;
  background: var(--dark);
  color: var(--light);
  text-align: center;
}
footer a {
  color: #d0d8ff;
  text-decoration: none;
}

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
  .hero h1 {
    font-size: 2.75rem;
  }
}