body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #fff;
  background-color: #001f3f;
}

/* Header */
header {
  background-color: #001b33;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-img {
  height: 45px;
  width: auto;
  border-radius: 6px;
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffcc00;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline-block;
  position: relative;
}

nav ul li a {
  color: #ffcc00;
  text-decoration: none;
  padding: 0.8rem 1rem;
  transition: background 0.3s;
}

nav ul li a:hover {
  background-color: #e63946;
  color: #fff;
  border-radius: 6px;
}

/* Dropdown */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #002b5c;
  min-width: 180px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  z-index: 100;
  border-radius: 6px;
}

.dropdown-content li {
  display: block;
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #001f3f, #002b5c);
  padding: 4rem 1.5rem;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-text {
  flex: 1 1 400px;
  padding: 1rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  color: #ffcc00;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 2rem;
}

.hero-image {
  flex: 1 1 350px;
  text-align: center;
}

.hero-image img {
  max-width: 90%;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.cta-button {
  background-color: #e63946;
  color: #fff;
  padding: 0.8rem 1.6rem;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  transition: background 0.3s;
}

.cta-button:hover {
  background-color: #ffcc00;
  color: #001b33;
}

/* Waste Section */
.waste-section {
  background-color: #002b5c;
  text-align: center;
  padding: 3rem 1rem;
}

.waste-section h2 {
  color: #ffcc00;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.waste-image {
  max-width: 350px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Benefits */
.benefits {
  background-color: #002b5c;
  text-align: center;
  padding: 4rem 1rem;
}

.benefits h2 {
  font-size: 2rem;
  color: #ffcc00;
  margin-bottom: 2rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.benefit-item {
  background-color: #001b33;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  transition: transform 0.3s;
}

.benefit-item:hover {
  transform: translateY(-5px);
}

.benefit-item h3 {
  color: #e63946;
  margin-bottom: 0.5rem;
}

/* Contact */
.contact {
  background-color: #001f3f;
  text-align: center;
  padding: 3rem 1rem;
  border-top: 2px solid #e63946;
}

.contact h2 {
  color: #ffcc00;
  margin-bottom: 1rem;
}

.contact p {
  color: #fff;
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.contact a {
  color: #ffcc00;
  text-decoration: none;
}

.contact a:hover {
  color: #e63946;
}

/* WhatsApp Button */
.whatsapp-button {
  display: inline-block;
  background-color: #25D366;
  color: #fff;
  padding: 0.8rem 1.6rem;
  margin-top: 1rem;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s;
}

.whatsapp-button i {
  margin-right: 8px;
}

.whatsapp-button:hover {
  background-color: #128C7E;
}

/* Footer */
footer {
  background-color: #001b33;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #ffcc00;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    flex-direction: column;
  }
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .waste-image {
    max-width: 80%;
  }
}