* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scrollbar-width: thin !important;
    background: url('../img/ecu-background.jpg') no-repeat center center fixed !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    position: relative;
}
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.68); 
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: -1; 
}
::-webkit-scrollbar {
    width: 5px;
    display: none !important;
}
::-webkit-scrollbar-track {
    display: none !important;
}
::-webkit-scrollbar-thumb {
    background-color: var(--grey-opacity); /* Thumb color */
    border-radius: 10px !important; /* Roundness of the thumb */
}
/* Remove default Bootstrap dropdown arrow */
.dropdown-toggle::after {
    display: none !important;
}
.portal-logo img {
    width: 120px;
    margin-bottom: 20px;
}
.lazy-load {
    opacity: 0;
    transform: translateY(40px); 
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.lazy-load.is-visible {
    opacity: 1;
    transform: translateY(0);
}