* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
  font-family: 'Cairo', sans-serif;
}
body { 
  background: #f4f6f8; 
  color: #333; 
  line-height: 1.6;
}
header { 
  background: linear-gradient(135deg, #4facfe, #00f2fe); 
  color: white; 
  padding: 80px 20px; 
  text-align: center;
}
header h1 { 
  font-size: 3em; 
  margin-bottom: 10px; 
}
header p { 
  font-size: 1.2em; 
}
section { 
  padding: 60px 20px; 
  max-width: 1000px; 
  margin: auto; 
}
section h2 { 
  text-align: center; 
  margin-bottom: 40px; 
  font-size: 2em; 
  color: #333; 
}
.card { 
  background: white; 
  border-radius: 15px; 
  padding: 30px; 
  box-shadow: 0 5px 15px rgba(0,0,0,0.1); 
  margin-bottom: 30px; 
  transition: transform 0.3s;
}
.card:hover { 
  transform: translateY(-5px); 
}
form { 
  display: flex; 
  flex-direction: column; 
  gap: 15px; 
  max-width: 500px; 
  margin: auto; 
  background: white; 
  padding: 30px; 
  border-radius: 15px; 
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
input, textarea, select { 
  padding: 15px; 
  font-size: 16px; 
  border: 1px solid #ccc; 
  border-radius: 10px; 
  width: 100%; 
}
button { 
  padding: 15px; 
  font-size: 18px; 
  background: #4facfe; 
  color: white; 
  border: none; 
  border-radius: 10px; 
  cursor: pointer; 
  transition: background 0.3s;
}
button:hover { 
  background: #00f2fe; 
}
footer { 
  background: #222; 
  color: white; 
  text-align: center; 
  padding: 30px 20px; 
}
footer p { 
  margin: 5px 0; 
}
.social-links { 
  margin: 20px 0; 
}
.social-links a { 
  color: white; 
  margin: 0 10px; 
  font-size: 1.5em; 
}
.content-section { 
  margin-bottom: 40px; 
}
.content-section p { 
  margin-bottom: 15px; 
  line-height: 1.8; 
}
@media(max-width:600px) {
  header h1 { font-size: 2em; }
  section h2 { font-size: 1.5em; }
}

/* شريط التنقل */
nav {
  background: #222;              /* لون غامق متناسق مع الفوتر */
  text-align: center;
  padding: 15px 10px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  color: #fff;                   /* لون النص أبيض */
  text-decoration: none;
  margin: 0 15px;
  font-size: 1.1em;
  font-weight: 600;
  transition: color 0.3s, border-bottom 0.3s;
}

nav a:hover {
  color: #00f2fe;                /* نفس لون التدرج في الهيدر */
  border-bottom: 2px solid #00f2fe;
  padding-bottom: 3px;
}

@media (max-width: 768px) {
  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  nav a {
    display: block;
    margin: 8px 10px;
    font-size: 1em;
  }
}