:root{
  /* Blue + Green refreshed palette */
  --header-dark: #005f73;  
  --nav-light: #9be2d3;    
  --page-bg-mid: #d4f3ff;
  --text-dark: #003845;
  --card-accent: #0a9396;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: Arial, "Times New Roman", serif;
  color:var(--text-dark);
  line-height:1.6;
  background: #eefeff;
  text-align: center; /* Center all text */
}

/* HEADER WITH RANDOM RAIN DROP ANIMATION */
header.topbar{
  background: var(--header-dark);
  color: white;
  padding: 1.6rem 1.5rem;
  position: sticky;
  top:0;
  z-index:1000;
  display:flex;
  align-items:center;
  justify-content:center; /* Center header content */
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  position:relative;
  overflow:hidden;
}

/* Raindrop container overlay */
header.topbar::before {
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  pointer-events:none;
  background: transparent;
}

/* Create multiple raindrops */
header.topbar::after {
  content:"";
  position:absolute;
  top:-120%;
  left:0;
  width:100%;
  height:300%;
  background-image:
    radial-gradient(oval, rgba(255,255,255,0.6) 2.5px, transparent 3px);
  background-size: 12px 50px;
  animation: rainRandom 2.8s linear infinite;
  opacity:0.35;
}

/* Randomized falling motion */
@keyframes rainRandom {
  0% { transform: translateY(-40%) translateX(0); }
  25% { transform: translateY(-10%) translateX(5px); }
  50% { transform: translateY(10%) translateX(-3px); }
  75% { transform: translateY(30%) translateX(4px); }
  100% { transform: translateY(60%) translateX(-2px); }
}

nav.mainnav{
  background: var(--nav-light);
  padding: 0.7rem 1.5rem;
  display:flex;
  align-items:center;
  justify-content:center; /* Center the menu */
  gap:1.5rem;
  flex-wrap:wrap;
}

nav .logo-slot{
  min-width:160px;
  display:flex;
  align-items:center;
  gap:0.8rem;
}

nav ul.menu{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  gap:2rem;
  align-items:center;
}

nav ul.menu li a{
  text-decoration:none;
  color:var(--text-dark);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.35rem 0.6rem;
  border-radius:6px;
  transition:0.3s ease;
}

nav ul.menu li a:hover{
  background:#0a9396;
  color:white;
  transform: translateY(-2px);
  box-shadow:0 4px 10px rgba(0,0,0,0.15);
}

nav ul.menu li a.active{
  background: rgba(255,255,255,0.25);
}

.container{
  max-width:1100px;
  margin:1.8rem auto;
  padding:0 1rem;
  text-align: center; /* Center main content */
}

.cards {
  display:flex;
  gap:1.2rem;
  flex-wrap:wrap;
  justify-content:center; /* Center cards */
}
.card{
  background:white;
  border-radius:12px;
  box-shadow:0 10px 24px rgba(0,0,0,0.08);
  flex: 1 1 30%;
  margin:0.6rem 0;
  padding:1.1rem;
  border-top:6px solid var(--card-accent);
  min-width:260px;
  text-align: center; /* Center card text */
}
.card h3{ color:var(--card-accent); margin-top:0; }
.card p{ color:#19424a; }

.stats{
  display:flex;
  gap:1rem;
  flex-wrap:wrap;
  margin-top:1rem;
  justify-content:center; /* Center stats */
}
.stat{
  background:#d0f7ef;
  padding:0.9rem;
  border-radius:10px;
  flex:1 1 30%;
  min-width:220px;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.02);
  text-align:center;
}

.how-split{
  display:flex;
  gap:1.2rem;
  align-items:flex-start;
  flex-wrap:wrap;
  justify-content:center; /* Center split sections */
}
.how-left{
  flex:1 1 55%;
  min-width:260px;
  text-align:center;
}
.how-right{
  flex:1 1 40%;
  min-width:220px;
  display:flex;
  gap:0.8rem;
  flex-direction:column;
  text-align:center;
}
.how-right img{ width:100%; border-radius:10px; box-shadow:0 8px 20px rgba(0,0,0,0.08); }

.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1rem;
  justify-items:center; /* Center project items */
}
.project-item{
  background:white;
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 10px 24px rgba(0,0,0,0.08);
  text-align:center; /* Center project text */
}
.project-item img{ width:100%; height:170px; object-fit:cover; }

.sdg-content{
  background:white;
  padding:1.2rem;
  border-radius:12px;
  box-shadow:0 10px 24px rgba(0,0,0,0.06);
  text-align:center;
}

.contact-form{
  background:white;
  padding:1.2rem;
  border-radius:10px;
  box-shadow:0 10px 20px rgba(0,0,0,0.06);
  max-width:700px;
  margin:auto;
  text-align:center;
}
.contact-form input, .contact-form textarea{
  width:100%;
  padding:0.8rem;
  margin:0.6rem 0;
  border:1px solid #b6ece3;
  border-radius:6px;
}

footer.sitefoot{
  background:var(--header-dark);
  color:white;
  padding:1rem;
  text-align:center;
  margin-top:2rem;
}

@media (max-width:900px){
  .how-split{ flex-direction:column; }
  nav ul.menu{ gap:1rem; }
  .cards{ flex-direction:column; }
}