body {
  font-family: 'Poppins', sans-serif;
}

.main-navbar {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 18px 0;
  transition: 0.4s ease;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-logo {
  font-size: 1.7rem;
  font-weight: 700;
  color:rgb(0, 42, 53) !important;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: rgb(0, 42, 53);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 1.2rem;
  box-shadow: 0 10px 25px rgb(0, 42, 53);
}

.nav-links .nav-link {
  color: rgba(0, 0, 0, 0.75);
  font-size: 0.98rem;
  font-weight: 500;
  margin: 0 14px;
  position: relative;
  transition: 0.3s ease;
}

.nav-links .nav-link:hover,
.nav-links .nav-link.active {
  color: rgb(0, 42, 53);
}

.nav-links .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: rgb(0, 42, 53);
  transition: 0.3s ease;
  border-radius: 10px;
}

.nav-links .nav-link:hover::after,
.nav-links .nav-link.active::after {
  width: 100%;
}

.login-btn {
    background-color: rgb(0, 42, 53) !important;
  color: white !important;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 10px 22px;
  border-radius: 14px;
  transition: 0.3s ease;
}

.login-btn:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.donate-btn {
  background: white !important;
  color: rgb(0, 42, 53);
  padding: 11px 26px;
  border-radius: 14px;
  border: none;
  font-weight: 600;
  transition: 0.35s ease;
  box-shadow: 0 10px 30px rgb(0, 42, 53);
}

.donate-btn:hover {
  transform: translateY(-2px);
  color: white;
  box-shadow: 0 15px 35px rgb(0, 42, 53);
}

.custom-toggler {
  border: none;
  background-color:  rgb(0, 42, 53) !important;
  box-shadow: none !important;
}

.navbar-toggler-icon {
  filter: invert(1);
}

@media (max-width: 991px) {

  .main-navbar {
    padding: 15px 0;
  }

  .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    margin-top: 18px;
    border-radius: 20px;
    padding: 25px;
  }

  .nav-links .nav-link {
    margin: 12px 0;
  }

  .d-flex {
    margin-top: 20px;
    flex-direction: column;
    width: 100%;
  }

  .login-btn,
  .donate-btn {
    background-color: rgb(0, 42, 53) !important;
    width: 100%;
    color: white !important;
  }
}