html {
    scroll-behavior: smooth;
}

body {
    background-color: rgba(28, 34, 38, 1);
}

.bg-dark-1 {
    background-color: rgba(0, 2, 4, 0.5);
}

.section-title {
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.main-title {
    font-size: 1.8em;
    /* Mobile by default */
    line-height: 1;
    max-width: 80%;
}

.main-subtitle {
    font-size: 0.9em;
    color: #b9c7cd;
}

.subtitle {
    color: #b9c7cd;
}

.footer {
    background-color: rgba(10, 14, 18, 1);
}


.sticky-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(10, 14, 18, 1);
}

.emphasis-line {
    display: inline-block;
    width: 60px;
    height: 6px;
    background-color: #49d6f7;
    border-radius: 10px;
    margin-bottom: 20px;
}

.main-emphasis-line {
    display: inline-block;
    width: 80px;
    height: 6px;
    background-color: #49d6f7;
    border-radius: 10px;
    margin-bottom: 0;
    margin-top: 20px;
}


[data-scroll] {
    transition: opacity 0.3s;
}

[data-scroll="out"] {
    opacity: 0;
}

[data-scroll="in"] {
    opacity: 1;
}


/* For desktop screens */
@media (min-width: 768px) {
    .main-title {
        font-size: 5em;
    }

    .main-subtitle {
        font-size: 1.4em;
    }
}