html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}
.text-danger {
    color: red;
    font-size: 0.875rem;
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.popup-box {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    max-width: 320px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

    .popup-box h3 {
        font-size: 18px;
        font-weight: bold;
        margin-bottom: 10px;
    }

    .popup-box p {
        font-size: 14px;
        color: #777;
        margin-bottom: 20px;
    }

    .popup-box button {
        padding: 10px 20px;
        background-color: red;
        color: white;
        border: none;
        border-radius: 5px;
        font-weight: bold;
        cursor: pointer;
    }
.hero-bg-3a {
    background-image: url(../assets/img/slider/hero-bg-3a.png);
}