/* Navbar Styles */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: var(--transition);
}

/* Scroll Progress Bar */
#scroll-progress {
  position: absolute;
  top: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  z-index: 1001;
  transition: width 0.1s ease;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

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

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

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

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* Responsive Navbar */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: white;
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    transition: var(--transition);
  }

  .nav-links.active {
    left: 0;
  }

  .nav-links li {
    margin: 15px 0;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}