/* Reset и базови настройки за html и body */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
    background: url("/images/tank.jpg") center center no-repeat fixed;
    background-size: cover;
    background-color: #000;
}

/* Секция Masthead */
.masthead {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 5rem;
    animation: fadeIn 1.5s ease-in-out;
}

.masthead .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* Основен контейнер за съдържанието */
.container {
    position: relative;
    z-index: 2;
    padding: 2rem;
    text-align: center;
    color: #fff;
}

/* Заглавие за търсенето */
h2#searchH2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
}

/* Формата за търсене */
#searchForm {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 3rem;
}

/* Стилове за елементите във формата */
.form-control {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 25px;
    margin: 0 10px 10px;
    padding: 12px 25px;
    transition: all 0.3s ease;
    min-width: 200px;
}

.form-control:focus {
    background: #fff;
    box-shadow: 0 0 15px rgba(52, 152, 219, 0.5);
    outline: none;
}

/* Стилове за основния бутон */
.btn-primary {
    background: #007bff;
    border: none;
    border-radius: 25px;
    padding: 12px 30px;
    margin-top: 1rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    margin-bottom: 20px;
}

.btn-primary:hover {
    background: #d35400;
    transform: translateY(-2px);
}

/* Анимация за плавно появяване */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Адаптивни настройки за устройства с максимална ширина 768px */
@media (max-width: 768px) {
    #searchForm {
        flex-direction: column;
        align-items: center;
    }
    .form-control {
        width: 100% !important;
    }
}