body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  background-color: #f5faff; /* subtle blue tint for a fresh feel */
}

/* Navigation bar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #005b9c; /* primary blue */
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.navbar .brand {
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 0.5px;
}
.navbar .nav-links {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}
.navbar .nav-links li {
  margin-left: 1.5rem;
}
.navbar .nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.3s, color 0.3s;
}
.navbar .nav-links a:hover {
  opacity: 0.85;
  color: #d0e6ff;
}

/* Hero section */
.hero {
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(rgba(0, 91, 156, 0.6), rgba(0, 91, 156, 0.6));
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}
.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
  max-width: 800px;
  padding: 0 1rem;
}
.hero-content h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 1.8rem;
  line-height: 1.5;
}
.btn {
  background-color: #1fa45b; /* secondary green */
  color: #fff;
  padding: 0.75rem 1.6rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s;
}
.btn:hover {
  background-color: #158d4d;
}

/* Sections */
.section {
  padding: 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.section h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #005b9c;
  font-size: 2rem;
}

/* Home features */
.home-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 2rem;
}
.feature {
  background-color: #fff;
  border-radius: 8px;
  padding: 2rem;
  flex: 1 1 260px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}
.feature h3 {
  color: #005b9c;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}
.feature p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Footer */
footer {
  background-color: #005b9c;
  color: #fff;
  padding: 2rem 2rem;
  text-align: center;
}
footer a {
  color: #cde8ff;
  text-decoration: underline;
}

/* Projects */
.projects-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
.project-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-width: 320px;
  flex: 1 1 280px;
  display: flex;
  flex-direction: column;
}
.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.project-card h3 {
  margin: 1rem;
  color: #005b9c;
}
.project-card p {
  margin: 0 1rem 1rem;
  flex-grow: 1;
  font-size: 0.9rem;
  line-height: 1.4;
}
.project-card a {
  margin: 0 1rem 1rem;
  align-self: flex-start;
  color: #1fa45b;
  text-decoration: none;
  font-weight: bold;
}
.project-card a:hover {
  text-decoration: underline;
}

/* Partners */
.partners-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}
.partner {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 1.5rem;
  flex: 1 1 220px;
  text-align: center;
  max-width: 260px;
}
.partner h3 {
  color: #005b9c;
  margin-bottom: 0.5rem;
}
.partner p {
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Testimonials */
.testimonial-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}
.testimonial {
  background-color: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  flex: 1 1 280px;
  max-width: 320px;
}
.testimonial p {
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 1rem;
}
.testimonial span {
  font-weight: bold;
  color: #005b9c;
}