* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: #f8f9fa;
  color: #333;
  padding-top: 70px;
  transition: background 0.3s, color 0.3s;
}

/* DARK MODE */
body.dark {
  background: #121212;
  color: #e0e0e0;
}

body.dark .navbar,
body.dark .blog-post,
body.dark .sidebar-box {
  background: #1e1e1e;
}

body.dark footer {
  background: #1a1a1a;
}

/* NAVBAR */
.navbar {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar-brand {
  font-weight: 600;
  color: #2b7a78 !important;
}

/* HERO */
.hero {
  background: linear-gradient(to right, #2b7a78, #3aafa9);
  color: #fff;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 2.5rem;
}

/* CONTENT */
.content {
  padding: 60px 0;
}

/* BLOG */
.blog-post {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.blog-post h2 {
  color: #2b7a78;
  margin-top: 20px;
}

.blog-post blockquote {
  background: #e0f7f5;
  padding: 15px;
  border-left: 5px solid #3aafa9;
  margin: 20px 0;
}

/* SIDEBAR */
.sidebar-box {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}

/* FOOTER */
footer {
  background: #2b7a78;
  color: white;
  text-align: center;
  padding: 15px;
}

/* ANIMATION */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
}