/* Header Styles */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-family: "Exo 2", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  width: 50px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-blue);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

.auth-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 25px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--primary-dark-blue)
  );
  color: var(--white);
}

.btn-primary:hover {
  background: linear-gradient(
    135deg,
    var(--primary-dark-blue),
    var(--primary-blue)
  );
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 198, 255, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
}

.btn-outline:hover {
  background: var(--primary-blue);
  color: var(--white);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  margin: 3px 0;
  transition: var(--transition);
}