:root {
  --bg: #78B9B5;       
  --card: #0F828C;     
  --text: #065084;     
  --muted: #320A6B;    
  --accent: #065084;  
  --accent-2: #0F828C; 
  --border: #065084;   
}


* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 20px 30px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  border-bottom: 2px solid var(--border);
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
  letter-spacing: 1px;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 10px 15px;
  border-radius: 6px;
  transition: background 0.3s ease;
}

nav a:hover {
  background: rgba(255,255,255,0.15);
}

/* Main content */
main {
  padding: 40px 20px;
  text-align: center;
}

.card {
  background-color: var(--card);
  border-radius: 12px;
  padding: 20px;
  margin: 20px auto;
  max-width: 500px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
  color: #fff;
}

.card h2 {
  margin-top: 0;
  margin-bottom: 12px;
}

input, textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: #E1E9C9;  
  color: var(--text);
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
  font-style: italic;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: #fff;
  color: var(--accent-2);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* Footer */
footer {
  background-color: var(--accent);
  color: #fff;
  text-align: center;
  padding: 15px 20px;
  margin-top: 30px;
  border-top: 2px solid var(--border);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  nav ul {
    flex-direction: column;
    gap: 12px;
  }

  .card {
    max-width: 90%;
  }

  input, textarea {
    padding: 10px 14px;
  }

  .btn {
    width: 100%;
    padding: 12px 0;
  }
}


label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--muted);
}