/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  font-family: 'Segoe UI', sans-serif;
  color: #333;
  background-color: #f2f7fc;
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Navbar */
.navbar {
  background-color: #004080;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 1.2rem;
}

.nav-links a {
  color: #fff;
  text-transform: capitalize;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: 0.3s;
}

.nav-links a.active,
.nav-links a:hover {
  border-color: #ffd700;}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.courses-hero {
  background-color: #f0f4ff;
  text-align: center;
  padding: 60px 10% 40px;
}

.courses-hero h1 {
  font-size: 2.8rem;
  color: #002f6c;
  margin-bottom: 10px;
}

.courses-hero p {
  font-size: 1.2rem;
  color: #555;
}

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  padding: 40px 10%;
}

.course-card {
  background-color: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.course-card h3 {
  color: #002f6c;
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.course-card p {
  color: #444;
  margin-bottom: 15px;
}

.course-card button {
  padding: 10px 20px;
  background-color: #ff5c5c;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.course-card button:hover {
  background-color: #e04b4b;
}

/* Footer */
footer {
  background-color: #004080;
  text-align: center;
  padding: 20px 10%;
  margin-top: 40px;

}

footer p {
  color: #fff;
  margin-bottom: 10px;
}

.socials a {
  margin: 0 10px;
  display: inline-block;
}

.socials img {
  width: 24px;
  height: 24px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background-color: #fff;
    position: absolute;
    top: 70px;
    right: 10%;
    padding: 15px;
    border: 1px solid #ccc;
    z-index: 1000;
  }

  .menu-toggle {
    display: block;
  }
}