body {
  font-family: "Archivo Narrow", sans-serif;
  font-size: 20px;
  line-height: 1.5;

  background: url('../images/coral-background.png') no-repeat center top;
  background-size: cover;       
  color: white;                
  margin: 0;
  padding: 0;
}

.home-link {
  text-decoration: none;
  color: inherit;
}

.home-link:hover {
  opacity: 0.8;
}

.navbar {
  position: sticky;
  top: 0;
  background-color: rgba(173, 216, 230,0.6); 
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  z-index: 1000;

}

.navbar h1 {
  font-size: 50px;
  margin: 0;
}

.navbar nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

.navbar nav ul li a {
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 18px;
  transition: color 0.3s;
}

.hero {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-height: 110vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 140px 0 40px;
  margin: -100px 0 0 0;
  text-shadow: 0px 1px 4px rgba(0,0,0,0.7);
  gap: 40px;
}

.hero-text {
  position: absolute;
  top: 40%;                 
  left: 50%;                
  transform: translate(-50%, -50%);  
  width: 80%;
  max-width: 900px;
  text-align: center;
  color: white;
  z-index: 5;
  text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

.hero-text p {
  font-size: 28px;
  line-height: 1.5;
  max-width: 900px;
  margin: 0 auto;
}



.hero-video-wrapper {
  position: relative;
  width: calc(100% - 20px);
  height: 80vh; 
  margin: 0 auto;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
}


#bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

section:not(.hero), .footer-box {
  background: none;    
  padding: 120px 20px;  
  margin: 0 auto;
  max-width: 960px;
  border-radius: 0;
}


h2, h3, .section-title {
  text-align: center;
  font-size: 40px;
  margin-bottom: 40px; 
  text-shadow: 0px 1px 4px rgba(0,0,0,0.7);
}

#biodiversity h3,
#human-impact h3,
#gallery .section-title {
  color: darkblue;
    text-shadow: none;

}


#human-impact p {
  color: black;
}

#biodiversity p {
  color: black;
}

.intro img.bio {
  float: right;
  width: 400px;
  height: 300px;
  margin-left: 40px;
  margin-bottom: 20px;
}

#photo-section {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  list-style: none;
  padding: 0;
  max-width: 960px;
  margin: auto;
}

#photo-section li {
  background: none;  
  padding: 0;
  color: black;
}

.photo {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 10px;
}

.photo-title {
  font-size: 25px;
  text-align: center;
  margin-bottom: 5px;
  color: coral;   
}

#call-to-action {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: left;   
}

#call-to-action h4,
#call-to-action h5 {
  text-align: left;
  margin-bottom: 10px;
  color: coral;
  font-size: 26px;
}


@media (max-width: 1024px) {
  #photo-section {
    grid-template-columns: 1fr 1fr; 
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 10px;
  }

  .intro img.two-boats {
    float: none;
    display: block;
    margin: 20px auto;
  }

  #photo-section {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    font-size: 36px;
  }
}