/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #004d40;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

nav h1 {
  font-size: 22px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffd700;
  border-bottom: 2px solid #ffd700;
}

/* ===== FOOTER ===== */
footer {
  background: #004d40;
  color: white;
  text-align: center;
  padding: 25px 15px;
  margin-top: 60px;
}

footer a {
  color: #ffd700;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ===== MOBILE MENU ===== */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links {
    flex-direction: column;
    width: 100%;
    display: none;
  }
  .nav-links.show {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
}