* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

/* Navbar */
header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background: transparent;
  transition: 0.3s;
  z-index: 1000;
}

header.scrolled {
  background: #111;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 50px;
}

.logo {
  color: #fff;
}

/* Menu */
.nav-menu {
  display: flex;
  list-style: none;
}

.nav-menu li {
  margin-left: 20px;
}

.nav-link {
  text-decoration: none;
  color: white;
  font-size: 16px;
  transition: 0.3s;
}

/* Hover Effect */
.nav-link:hover {
  color: #00bcd4;
  border-bottom: 2px solid #00bcd4;
}

/* Active */
.nav-link.active {
  color: #00bcd4;
}

/* Sections */
.section {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 80px;
}

.home {
  background: linear-gradient(to right, #000428, #004e92);
  color: white;
}

.menu-toggle {
  display: none;
  font-size: 28px;
  color: white;
  cursor: pointer;
}

@media (max-width: 768px) {

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 220px;
    height: 100vh;
    background: #111;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    padding-top: 30px;
    transition: 0.3s ease;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu li {
    margin: 20px 0;
  }
}
#navbar {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background: #000;
  z-index: 1000;
}
/* Button */
.btn {
  padding: 10px 20px;
  background: #00bcd4;
  color: white;
  border: none;
  cursor: pointer;
  margin-top: 15px;
}

/* Cards */
.card-container {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.card {
  background: #f4f4f4;
  padding: 20px;
  width: 250px;
  border-radius: 10px;
  transition: 0.3s;
  text-align: center;
}

.card:hover {
  transform: translateY(-10px);
  background: #00bcd4;
  color: white;
}
/* About Section Improve */
#about {
  max-width: 900px;
  margin: auto;
  text-align: center;
}

#about h1 {
  font-size: 36px;
  margin-bottom: 15px;
}

#about p {
  font-size: 18px;
  line-height: 1.7;
  color: #444;
  padding: 0 20px;
}
#about {
  background: #f9f9f9;
  border-radius: 10px;
  padding: 40px 20px;
}
/* Footer */
.footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 15px 10px;
  font-size: 14px;
}
/* Navbar */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: #000;   /* BLACK TOP BAR */
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

/* Container */
.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
}

/* Logo */
.logo {
  color: #fff;
  font-size: 22px;
}

/* Menu */
.nav-menu {
  list-style: none;
  display: flex;
}

.nav-menu li {
  margin-left: 25px;
}

.nav-link {
  text-decoration: none;
  color: white;
  font-size: 16px;
  transition: 0.3s;
}

/* Hover Effect */
.nav-link:hover {
  color: #00bcd4;
  border-bottom: 2px solid #00bcd4;
}

/* Active Link */
.nav-link.active {
  color: #00bcd4;
}