:root {
    --white: #ffffff;
    --black: #000000;
    --gray: #999999; /* smal font; */
    --gray2: #eeeeee; /* tlo; wiersz 11 */
    --gray3: #666666; /* footer; */
    --gray4: #525252; /* linia; */
    --nvidiagreen: #77B900;
    --blackBackgroundColor50proc: rgba(0,0,0,0.5);
    --transition03: 0.3s;
    --transition05: 0.5s;
    --transition08: 0.8s;
    /* --zzz: wartosc */
    /* var(--zzz) */
}
@font-face {
    font-family: 'NvidiaSans';
    src: url('../fonts/nvidiasans_md.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}
@font-face {
    font-family: 'NvidiaSans';
    src: url('../fonts/nvidiasans_mdIt.ttf') format('truetype');
    font-weight: normal;
    font-style: italic;
}

@font-face {
    font-family: 'NvidiaSans';
    src: url('../fonts/nvidiasans_bd.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}
@font-face {
    font-family: 'NvidiaSans';
    src: url('../fonts/nvidiasans_bdIt.ttf') format('truetype');
    font-weight: bold;
    font-style: italic;
}

@font-face {
    font-family: 'NvidiaSans';
    src: url('../fonts/nvidiasans_lt.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'NvidiaSans';
    src: url('../fonts/nvidiasans_ltIt.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}

body {
    position: relative;
    margin: 0;
    padding: 0;
    font-family: 'NvidiaSans', Helvetica, Arial, sans-serif;
    font-size: 1.0em;
    line-height: 1.82857;
    color: var(--gray2);
    background-color: var(--black);
    transition: font-size var(--transition05);
}

img {
    border: none;
}

.row {
    margin-left: 0;
    margin-right: 0;
}
.mt-6 {
    margin-top: 4rem !important;
}
.mb-6 {
    margin-bottom: 4rem !important;
}

h1, h2, h3, h4 {
    font-weight: bold;
}
h1 {
    font-size: 280%;
}
h2 {
    font-size: 210%;
    margin-bottom: 25px;
}

h3 {
    font-size: 160%;
}
h4 {
    font-size: 140%;
}

p {
    line-height: 160%;
}

.small {
    font-size: 75%;
    color: var(--gray);
}

a {
    color: var(--nvidiagreen);
    font-weight: bold;
    text-decoration: underline var(--black);
    transition: text-decoration 0.3s, color 0.3s;
}
a:hover,
a:focus {
    color: var(--nvidiagreen);
    text-decoration: underline var(--nvidiagreen);
}
a.przycisk {
    display: table;
    margin: 0 auto;
    padding: 5px 15px;
    color: var(--black);
    border: 2px solid var(--nvidiagreen);
    border-radius: 1px;
    font-weight: bold;
    text-transform: uppercase;
    text-decoration: none;
    background-color: var(--nvidiagreen);
    transition: background-color var(--transition05), color 0.3s;
}
a.przycisk:hover {
    border: 2px solid var(--nvidiagreen);
    color: var(--nvidiagreen);
    background-color: var(--black);
}
hr.liniaSzara {
    margin: 30px auto;
    border: 1px var(--gray4) solid;
    width: 100%;
}

div.embed-responsive,
section.filmSekcja div.embed-responsive {
    transition: margin var(--transition05), max-width var(--transition05);
}

section.tekstSekcja div.container,
section.filmSekcja  div.container {
    /*padding: 4rem 0*/
    /*padding-top: 4rem;*/
    /*padding-bottom: 4rem;*/
}

section#naglowekSekcja { }
.naglowekTlo {
    background-image: url("../images/resident_naglowek-tloDesktop2.jpg");
    background-repeat: no-repeat;
    transition: background-position 0.5s;
}
section.naglowekWysokosc {
    /*margin-bottom: 4rem;*/
}
section.naglowekWysokosc div.row {
    min-height: 580px;
}
div.naglowekKontener .kolumnaMobile {
    position: relative;
    margin: 0 !important;
    padding: 0 !important;
}
div.naglowekKontener .kolumnaMobile img {
    width: 100%;
}
div.naglowekKontener .kolumnaMobile {
    border-bottom: 12px solid var(--nvidiagreen);
}
div.naglowekKontener h1 {
    margin-bottom: 0;
}
div.naglowekKontener h3 {
    margin-bottom: 20px;
}
div.naglowekKontener img.naglowekLogo { }
div.naglowekKontener a.przycisk {
    margin: 2rem 0;
}

section#tekstSekcja { }
div.tekst2Kontener { }
div.tekst2Kontener > div {
    min-height: 580px;
}
.tekst2Tlo {
    /*background-image: url("../images/xxxxxx_tekst2-tlo.jpg");*/
    /*background-repeat: no-repeat;*/
    /*transition: background-position 0.5s;*/
}
div.tekst2Kontener p.small {
    max-width: 60%;
}
div.tekst1Kontener {

}

section#filmSekcja { }
div.film1Kontener,
div.film2Kontener {
    background-size: cover;
    background-repeat: no-repeat;
    transition: background-position 0.5s;
}
section.film1Tlo,
section.tekst3Tlo {
    background-color: #111111;
    /*background-color: rgba(17,17,17,1.0);*/
    /*background-image: url("../images/xxxxx_film1-tlo.jpg");*/
}
/*div.film1Kontener {
    background-color: #111111;
}*/

section.produktySekcja {
    padding: 20px 0;
}
section.produktySekcja h4 {
    text-align: center;
    min-height: 56px;
}
section.produktySekcja img {
    display: block;
    margin: 0 auto;
    width: 80%;
}

div.produktBoxKontener { }

div.produktBox { }


/* -------------- STOPKA */
footer {
    margin: 30px 0;
}
footer div.stopkaTekst p {
    width: 100%;
    font-family: Verdana, sans-serif;
    font-size: 66%;
    color: var(--gray3);
    line-height: 1.3em;
    text-align: center;
}
footer div.stopkaImg img {
    margin: 0 auto;
    margin-bottom: 30px;
}



/* --------------------------------------------- */
/* ------------------------------- RESPONSYWNOSC */

@media only screen and (min-width: 1600px) {
    /*div.embed-responsive,*/
    section.filmSekcja div.embed-responsive {
        margin: 3rem auto;
        max-width: 70%;
    }
    div.naglowekKontener {
        text-align: left;
    }
    .naglowekTlo {
        background-position: 60% 0%; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
    div.kolumnaMobile {
        display: none;
    }
    .tekst2Tlo {
        background-position: 30% 0; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
}

@media only screen and (min-width: 1200px) and (max-width: 1600px) {
    /*div.embed-responsive,*/
    section.filmSekcja div.embed-responsive {
        margin: 3rem auto;
        max-width: 70%;
    }
    div.naglowekKontener {
        text-align: left;
    }
    div.kolumnaMobile {
        display: none;
    }
    .naglowekTlo {
        background-position: 70% 0%; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
    .tekst2Tlo {
        background-position: 50% 100%; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
}

@media only screen and (min-width: 992px) and (max-width: 1200px) {
    /*div.embed-responsive,*/
    section.filmSekcja div.embed-responsive {
        margin: 3rem auto;
        max-width: 75%;
    }
    div.naglowekKontener {
        text-align: left;
    }
    div.kolumnaMobile {
        display: none;
    }
    .naglowekTlo {
        background-position: 52% 0%; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
    div.naglowekKontener div.col-12 {
        background-color: rgba(0,0,0,0.5);
    }
    div.naglowekKontener h1 {
        margin-top: 30px;
    }
    /*div.wiersz02tlo,*/
    .tekst2Tlo {
        background-position: 50% 100%; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
    div.tekst2Kontener p.small {
        max-width: 80%;
    }
}

@media only screen and (min-width: 768px) and (max-width: 992px) {
    /*div.embed-responsive,*/
    section.filmSekcja div.embed-responsive {
        margin: 3rem auto;
        max-width: 85%;
    }
    div.naglowekKontener {
        text-align: center;
    }
    .naglowekTlo {
        background-image: inherit;
    }
    div.naglowekKontener h1 {
        margin-top: 30px;
    }
    div.naglowekKontener a.przycisk {
        margin: 2rem auto;
    }
    .tekst2Tlo {
        background-position: 60% 0; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
    div.tekst2Kontener p.small {
        max-width: 80%;
    }
}

@media only screen and (min-width: 576px) and (max-width: 768px) {
    .naglowekTlo {
        background-image: inherit;
    }
    div.naglowekKontener {
        text-align: center;
    }
    div.naglowekKontener h1 {
        margin-top: 30px;
    }
    div.naglowekKontener a.przycisk {
        margin: 2rem auto;
    }
    .tekst2Tlo {
        background-position: 62% 0; /* first horizontal, second vertical */
        background-size: auto 100%; /* first width, second height. */
    }
    div.tekst2Kontener div.col-12 {
        background-color: rgba(0,0,0,0.5);
    }
    div.tekst2Kontener p.small {
        max-width: 100%;
    }
}

@media only screen and (max-width: 576px){
    .naglowekTlo {
        background-image: inherit;
    }
    div.naglowekKontener {
        text-align: center;
    }
    div.naglowekKontener h1 {
        margin-top: 30px;
        font-size: 200%;
    }
    div.naglowekKontener h3 {
        font-size: 130%;
    }
    div.naglowekKontener a.przycisk {
        margin: 2rem auto;
    }
    .tekst2Tlo {
        background-position: 80% 0; /* first horizontal, second vertical */
        background-size: auto 70%; /* first width, second height. */
    }
    div.tekst2Kontener div.col-12 {
        background-color: rgba(0,0,0,0.5);
    }
    div.tekst2Kontener p.small {
        max-width: inherit;
    }
    section.produktySekcja {
        padding: 40px 0;
    }
}



/*
@media only screen and (min-width: 1600px) { }
@media only screen and (min-width: 1280px) and (max-width: 1600px) { }
@media only screen and (min-width: 992px) and (max-width: 1280px) { }
*/
/* Bootstrap 4.6 */
/*
@media only screen and (min-width: 1200px) { }
@media only screen and (min-width: 992px) and (max-width: 1200px) { }
@media only screen and (min-width: 768px) and (max-width: 992px) { }
@media only screen and (min-width: 576px) and (max-width: 768px) { }
@media only screen and (max-width: 576px) { }
*/