header {
    margin: 0;
    background-color: #050505;
    height: 945px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: auto;
    overflow: hidden;
}

body {
    overflow: auto;
}

/* Canvas covering the entire header section */
#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.fix2 {
    overflow: hidden;
    height: 63.5em;
    position: relative;
    z-index: 10;
    text-align: center;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#main {
    position: relative;
    overflow: hidden;
    width: auto;
    height: auto;
}

main {
    overflow: hidden;
}

.fill-100 {
    width: auto;
    height: auto;
}

.header-podtekst {
    font-family: "Roboto Slab", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    padding-bottom: 25px;
}

.header-glowny {
    font-size: 350%;
    line-height: 3.2rem;
    margin-bottom: 30px;
    font-weight: 700;
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

nav {
    background-color: transparent;
    transition: all 0.3s ease-in-out;
}

nav img {
    transition: all 0.3s ease-in-out;
    height: 3rem;
}

.navbar-rozwiniety {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    mask-image: linear-gradient(to bottom, black 50%, rgba(0, 0, 0, 0) 100%);
}

.navbar-zwiniety {
    transition: all 0.3s ease-in-out;
    background-color: #212529;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-zwiniety img {
    transition: all 0.3s ease-in-out;
    height: 2.5rem;
}

.tekst-sekcji {
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    padding-top: 50px;
    font-weight: 700;
    line-height: 30px;
}

.tekst-podsekcji {
    font-weight: 150;
    font-size: 110%;
    padding-bottom: 90px;
}

#portfolio img {
    z-index: 5;
    width: auto;
    height: auto;
}

#portfolio {
    z-index: 5;
    padding-top: 55px;
}

#o-mnie img {
    clip-path: circle();
}

article {
    padding-bottom: 50px;
}

#o-mnie {
    padding-top: 50px;
    padding-bottom: 15px;
}

#kontakt {
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}


/*.animacja-scroll {
    animation: pojawienie linear;
    animation-timeline: view();
    animation-range: entry 0 cover 40%;
}*/

@keyframes pojawienie {
    0% {
        opacity: 0;
        scale: 0.7;
    }

    100% {
        opacity: 1;
        scale: 1;
    }
}

.pole-tekstowe {
    margin-top: 15px;
}

/* --- Responsive --- */
@media only screen and (max-width: 991px) {
    header {
        padding-top: 150px;
        padding-bottom: 150px;
    }

    #mainNav {
        background-color: #212529;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .fix2 {
        padding: 0px;
        height: 450px;
    }

    .navbar-rozwiniety {
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        mask-image: linear-gradient(to bottom, black 100%, rgba(0, 0, 0, 0) 100%);
    }

    .navbar-zwiniety {
        transition: all 0.3s ease-in-out;
        background-color: #212529;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .navbar-zwiniety img {
        transition: all 0.3s ease-in-out;
        height: 2.5rem;
    }

    .tekst-podsekcji {
        font-weight: 150;
        font-size: 110%;
        padding-bottom: 30px;
    }
    .ikona{
        
    }
}

/* Hide scroll wheel decoration on most screen sizes (only visible on very specific resolutions) */
@media only screen and (max-width: 1904px),
only screen and (min-width: 1950px),
only screen and (max-height: 920px),
only screen and (min-height: 960px) {

    .kolo-scroll,
    .kolo-scroll div,
    .kolo2 {
        display: none;
    }
}