:root {
  --bg: #0F3E2F;
  --card-bg: #111529;
  --accent: #26C7A0;
  --accent-dark: #23B794;
  --logo-highlight: #00E399;
  --text: #FFFFFF;
}

/* Global Resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Navbar Layout */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
}

/* Main nav links */
.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  padding: 0.5rem;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* Button group - desktop style */
.btn-group {
  display: flex;
  gap: 1rem;
}

.btn-login,
.btn-register {
  border-radius: 4px;
  padding: 0.5em 1em;
  font-size: 19px;
  /* border: 2px solid var(--accent); */
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}

/* Login - outlined style */
.btn-login {
  color: var(--accent);
  background: transparent;
}
.btn-login:hover {
  background: var(--accent);
  color: var(--text);
}

/* Register - filled style */
.btn-register {
  color: var(--text);
  /* background: var(--accent); */
  background: #0056b3;
}
.btn-register:hover {
  background: var(--accent-dark);
}

/* Hamburger icon, hidden on desktop */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text);
  border-radius: 2px;
}

/* Mobile view: collapse nav-links & buttons */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 1rem 0;
  }
  .nav-links.active {
    display: flex;
  }

  .btn-group {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 2rem;
    background: var(--bg);
    padding: 1rem;
    gap: 0.5rem;
    border-radius: 4px;
  }
  .btn-group.active {
    display: flex;
  }
}