body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  margin: 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  padding: 10px 20px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.nav-btn {
  margin-left: 15px;
  padding: 6px 14px;
  background: #1e6f5c;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.nav-btn:hover {
  background: #165441;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 5px;
}

.subtitle {
  text-align: center;
  color: #555;
  margin-bottom: 20px;
}

/* Blog Form */
.blog-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
}

.blog-form input, .blog-form textarea {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  width: 100%;
}

.blog-form button {
  width: 150px;
  align-self: flex-end;
  padding: 10px 20px;
  border: none;
  background-color: #1e6f5c;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}

.blog-form button:hover {
  background-color: #165441;
}

/* Blog Cards */
.blog-posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.blog-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s;
}

.blog-card:hover {
  transform: translateY(-5px);
}

.blog-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.blog-card h3 {
  margin: 10px 15px 5px;
}

.blog-card p {
  margin: 0 15px 10px;
  color: #555;
}

.know-more-btn {
  margin: 10px 15px 15px;
  padding: 8px 12px;
  background: #1e6f5c;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  align-self: flex-start;
  transition: 0.3s;
}

.know-more-btn:hover {
  background: #165441;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0; top: 0;
  width: 100%; height: 100%;
  overflow: auto;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  background: #fff;
  margin: 60px auto;
  padding: 20px;
  width: 90%;
  max-width: 600px;
  border-radius: 10px;
  position: relative;
  animation: fadeIn 0.3s ease-in-out;
}

.modal-content img {
  width: 100%;
  margin-bottom: 15px;
  border-radius: 8px;
}

.close-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 28px;
  cursor: pointer;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px);}
  to { opacity: 1; transform: translateY(0);}
}