html, body {
  margin: 0;
  height: 100%;
  font-family: "Segoe UI", "Frutiger", "Arial", sans-serif;
  background-repeat: repeat;
  color: #00334d;
}

body::before {
  content: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
   background: linear-gradient(to bottom, rgba(150,150,150,0.7), rgba(0,00,00,0.7));
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
}

/* Connected header and sidebar */
header, .sidebar {
  
  backdrop-filter: blur(8px);
}

header {
  
  overflow: hidden;
  background: rgba(0,0,0,0.7);
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
}
header img {
  width: 100%;
  height: auto;
  display: block;
}

.content-row {
  display: flex;
  gap: 15px;
}

.sidebar {
  width: 25%;
 
  font-size: 14px;
   background:rgba(0,0,0,0.7);
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
}

.main {
  flex: 1;
  background: rgba(0,0,0,0.7);
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
}

h1, h3 {
  color: lightblue;
  text-shadow: 0 1px 2px rgba(255,255,255,0.7);
}

.banner-links {
  display: flex;
  gap: 15px;
  margin-bottom: 10px;

  background:rgba(0,00,00,0.2);
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  

}
.banner-links a {
  text-decoration: none;
  color: lightgreen;
  transition: background 0.3s ease;
}
.banner-links a:hover {
  background: clear;
}

footer {
  margin-top: auto;
  text-align: center;
  font-size: 12px;
  color:lightblue;
  
  background: rgba(0,0,0,0.7);
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
}
.glass-button {
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(200,200,200,0.2));
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,0.6),
              inset 0 -2px 6px rgba(0,0,0,0.2),
              0 4px 12px rgba(0,0,0,0.25);
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  color: #333;
}