:root {
    --bg-color-pink-darkBlue: #FCD4D6;
    --bg-color-pink-lightBlue: #FCD4D6;
    --bg-color-red-lightBlue: #B00D13;
    --bg-color-red-orange: #B00D13;
    --bg-color-white-darkBlue: #fff;
    --color-bg1: rgba(253, 253, 253, 0.7);
    --font-red-white: #B00D13;
}

h2:not(:first-child) {
    margin-top: 5rem;
}

.dark-theme {
    --bg-color-pink-darkBlue: #1f2641;
    --bg-color-pink-lightBlue: #6c63ff;
    --bg-color-red-lightBlue: #6c63ff;
    --bg-color-red-orange: #f75842;
    --bg-color-white-darkBlue: #424890;
    --color-bg1: #2e3267;
    --font-red-white: #FFF;
}


/*=============== NAVBAR =============*/
nav {
    background-color: var(--bg-color-red-lightBlue);
}

.nav__container {
    align-items: center; 
    background-color: var(--bg-color-red-lightBlue);
    display: flex;
    height: 100%;
    justify-content: space-between;
}

.contact__container {
    background: var(--color-bg1);
    border-radius: 1rem;
    display: grid;
    gap: 4rem;
    grid-template-columns: 40% 60%;
    height: 30rem;
    margin: 7rem auto;
    padding: 4rem;
}

/* ==================== SPLASH SCREEN ============================*/
#loading-screen {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0.5;
}

.loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 2s linear infinite; /* Safari */
    animation: spin 2s linear infinite;
}

/* Safari */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fade-out {
    animation: fadeOut 1s;
    animation-fill-mode: forwards;
}

@keyframes fadeOut {
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

/*=============== COURSES ============*/
.courses {
    background-image: none;
    padding-top: 10rem;
}

.course img {
    align-items: center;
    justify-content: center;
    width: 100%;
}

.banks-section {
    padding-top: 0;
}

.course__info:hover {
    background-image: var(--textured-bg);
}

.logistic-section {
    background-image: var(--textured-bg);
}

.crs-section {
    background-image: var(--textured-bg);
}


/*=============== FOOTER ============*/
.footer__2 ul li a {
    color: var(--font-color-socials);
}

.footer {
    padding-top: 3rem;
}

.footer__copyright {
    margin-top: 4rem;
}