html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
body {
  line-height: 1.3;
}
ol,
ul {
  list-style: none;
}
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

html {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 62.5%;
}

body > * {
  overflow: hidden;
}

.heading-primary {
  font-size: 4rem;
  font-weight: 600;
}

.heading-secondary {
  font-size: 2.4rem;
}

.text-cont {
  font-size: 1.6rem;
}

@media (max-width: 749px) {
  .big-img {
    display: none;
  }
}

@media (min-width: 750px) {
  .small-img {
    display: none;
  }
}

.section-hero {
  position: relative;
}

.hero-img {
  width: 100%;
  margin-bottom: -10px;
}

.hero-text {
  color: white;
  position: absolute;
  height: fit-content;
  top: 0;
  bottom: 0;
  margin: auto 0;
  width: 25%;
  left: 8vw;
}

.hero-text img {
  width: 50%;
  margin-bottom: 2rem;
}

@media (max-width: 600px) {
  .hero-text {
    left: 0;
    right: 0;
    top: 25vw;
    margin: 0 auto;
    width: 70%;
    text-align: center;
  }
}

.section-title {
  background-color: black;
  color: white;
}

.title-cont {
  width: 80%;
  text-align: center;
  margin: 0 auto;
  padding: 3rem 0;
}

.section-spectral {
  width: 100%;
  background-image: url("firstbg_dsk.webp");
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 15rem 0 4rem;

  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
}

.section-spectral video {
  width: 40%;
  border: 1px white solid;
}

.spectral-text {
  width: 40%;
  color: white;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.spectral-text img {
  width: 15%;
}

.section-optimized {
  width: 100%;
  background-image: url("secondbg_dsk.webp");
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding: 15rem 0 4rem;

  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
}

.section-optimized video {
  width: 40%;
  border: 1px white solid;
}

.optimized-text {
  width: 40%;
  color: white;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.optimized-text img {
  width: 15%;
}

.section-advanced {
  width: 100%;
  background-image: url("thirdbg_dsk.webp");
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding: 15rem 0 4rem;

  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
}

.section-advanced video {
  width: 40%;
  border: 1px white solid;
}

.advanced-text {
  width: 40%;
  color: white;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.advanced-text img {
  width: 15%;
}

.section-fps {
  background-color: black;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding: 15rem 0 4rem;
}

.fps-img {
  width: 40%;
}

.fps-text {
  width: 40%;
  color: white;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fps-text img {
  width: 15%;
}

.section-features {
  background-color: black;
  color: white;
  text-align: center;
}

.feature-text {
  width: 90%;
  margin: 0 auto;
}

.ps-pic {
  width: 60%;
}

.feature-cell img {
  width: 7vw;
}

.feature-grid {
  width: 90%;
  display: grid;
  grid-template-columns: repeat(3, 30%);
  margin: 0 auto;
  gap: 4rem;
  align-items: center;
}

.feature-cell {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  width: 100%;
  margin: 0 auto;
}

.section-controller {
  background-color: black;
  padding-top: 20vw;
  position: relative;
}

.controller-bg {
  width: 100%;
  margin-bottom: -5px;
}

.ctrl-text1 {
  color: white;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 10vw;
  width: 80%;
  text-align: center;
}

.section-double {
  background-color: #444756;
  color: white;
}

.double-intro {
  width: 60%;
  text-align: center;
  margin: 0 auto;
  padding: 5rem 0 3rem;
}

.double-double {
  width: 80%;
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  padding-bottom: 5rem;
}

.double-cell {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  text-align: center;
  width: 50%;
}

.double-cell img {
  width: 5vw;
  margin: 0 auto;
}

.section-speed {
  display: grid;
  grid-template-columns: repeat(2, 50%);
  background-color: black;
  color: white;
}

.speed-img {
  margin-bottom: -5px;
  padding-top: 15vw;
  width: 100%;
}

.speed-text {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  height: fit-content;
  margin: auto 0;
  padding-right: 2rem;
}

.section-ushi {
  position: relative;
}

.ushi-text {
  position: absolute;
  color: white;
  top: 0;
  bottom: 0;
  height: fit-content;
  margin: auto 0;
  width: 40%;
  left: 10vw;
}

@media (max-width: 750px) {
  .ushi-text {
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 25vw;
    width: 70%;
    text-align: center;
  }
}

@media (min-width: 1000px) {
  .ctrl-text1 {
    top: 20vw;
  }
}

@media (max-width: 1000px) {
  .section-speed {
    grid-template-columns: repeat(1, 100%);
  }

  .speed-text {
    width: 80%;
    margin: 0 auto;
    padding: 3rem 0;
  }
}

@media (max-width: 750px) {
  .ctrl-text1 {
    top: 100vw;
  }
}

@media (max-width: 450px) {
  .feature-grid {
    grid-template-columns: repeat(1, 100%) !important;
  }

  .feature-cell img {
    width: 17vw;
  }
}

@media (max-width: 600px) {
  .section-spectral {
    background-image: url("firstbg_mb.webp");
    flex-direction: column;
  }

  .section-optimized {
    background-image: url("secondbg_mb.webp");
    flex-direction: column-reverse;
  }

  .section-advanced {
    background-image: url("thirdbg_mb.webp");
    flex-direction: column;
  }

  .section-spectral video,
  .spectral-text,
  .section-optimized video .optimized-text,
  .section-advanced video,
  .advanced-text,
  .section-optimized video,
  .optimized-text {
    width: 80%;
  }

  .ps-pic {
    width: 80%;
  }
}

@media (max-width: 768px) {
  .section-fps {
    flex-direction: column-reverse;
  }
  .ps-pic {
    width: 80%;
  }

  .fps-img,
  .fps-text {
    width: 80%;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 47%);
  }

  .feature-cell img {
    width: 13vw;
  }
}