.side-nav {
        background: linear-gradient(135deg, #367588, #2f5d70);
        border-radius: 15px;
        padding: 25px;
        color: white;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        font-family: 'Segoe UI', sans-serif;
    }

    .side-nav .section-title {
        font-size: 18px;
        font-weight: bold;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding-bottom: 10px;
        margin-bottom: 15px;
    }

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

    .side-nav li {
        margin-bottom: 12px;
    }

    .side-nav a {
        display: flex;
        align-items: center;
        padding: 10px 12px;
        border-radius: 10px;
        text-decoration: none;
        color: white;
        background: rgba(255, 255, 255, 0.05);
        transition: all 0.3s ease;
        font-weight: 500;
    }

    .side-nav a:hover {
        background: rgba(255, 255, 255, 0.15);
        transform: translateX(5px);
        box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
    }

    .side-nav i {
        margin-right: 10px;
        font-size: 16px;
    }
    
    
    .modern-side-nav {
  background: linear-gradient(135deg, #22577A, #38A3A5);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.modern-side-nav h5 {
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 10px;
  margin-bottom: 15px;
}

.modern-side-nav ul li {
  margin: 10px 0;
  transition: background 0.3s ease;
}

.modern-side-nav ul li a {
  display: block;
  color: white;
  font-weight: 500;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.modern-side-nav ul li a i {
  margin-right: 8px;
  color: #fff;
}

.modern-side-nav ul li a:hover {
  background: rgba(255, 25, 25, 0.15);
  padding-left: 18px;
  color: #fe860b; /* updated hover color */
}

.modern-side-nav ul li a:hover i {
  color: #fe860b; /* also change icon color on hover if needed */
}

        body {
            background-color: #fff;
        }

.section-subtitle {
  font-size: 20px;
  color: #fe860b;
  font-weight: bold;
  margin-top: 20px;
}

.accordion-button::after {
  font-weight: bold;
  color: #fe860b;
}
.section-title {
  color: #fe860b;
  font-weight: bold;
}

.volume-button {
   background: linear-gradient(135deg, #22577A, #38A3A5);
  color: white;
  padding: 8px 16px;
  margin: 6px 8px 6px 0;
  display: inline-block;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.volume-button:hover {
      background: rgba(255, 25, 25, 0.15);
  padding-left: 18px;
  color: #fe860b; /* updated hover color */
 
  transform: translateY(-2px);
  text-decoration: none;
 
}

.year-title {
  font-size: 20px;
  font-weight: bold;
  margin-top: 30px;
  color: #fe860b;
}