html {
  height: 100%;
}

body {
  background: #e2e4e7;
  text-align: center;
  font-family: "Montserrat", sans-serif;
  position: relative;
  margin: 0;
  height: 100%;
  -webkit-font-smoothing: antialiased;
  color: #143251;
}

.wrapper {
  height: 100% !important;
  height: 100%;
  margin: 0 auto;
  overflow: hidden;
}

.page-text {
  padding: 200px 60px;
  text-align: left;
  margin: 0 auto;
  background-color: #ffffff;
}

.page-text h1,
.page-text h2 {
  text-align: center;
}

.video-fixed,
.video-fixed-02 {
  position: fixed;
  left: 0;
  top: 0;
  z-index: -1; 
}

.video-fixed-02 {
  visibility: hidden;
}

.display-on {
  visibility: visible;
}

.page2 {
  background-image: url(../img/bg-shadow-down.png);
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: 100%;
}

.page4 {
  background-image: url(../img/bg-shadow-y.png);
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.shadow-center {
  background-image: url(../img/bg-shadow-center.png);
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.main section {
  overflow: hidden;
}

.header {
  padding: 70px 160px;
  display: flex;
  z-index: 10;
  position: fixed;
}
.header__logo {
  background-image: url(../img/logo-CERBER.svg);
  background-repeat: no-repeat;
  background-size: contain;
  width: 200px;
  height: 50px;
  transition: 0.5s ease; /* Transition dla zmiany koloru tła */
}

.header__logo--dark {
  background-image: url(../img/logo-CERBER-black.svg);
  background-repeat: no-repeat;
  background-size: contain;
  width: 200px;
  height: 50px;
  transition: 0.5s ease; /* Transition dla zmiany koloru tła */
}
.header__logo--none {
  display: none;
}

.header__nav ul {
  list-style: none;
  display: inline-flex;
  gap: 25px;
  color: #ffffff;
  transition: 0.5s ease; /* Transition dla zmiany koloru tła */
}

.header__nav--dark ul {
  color: #143251;
}

.title {
  font-size: 40px;
  max-width: 60vw;
  margin: 0 auto;
  font-weight: 400;
}

.title-list {
  font-size: 36px;
}
.title--white {
  color: #ffffff;
}

.title--black {
  color: #143251;
}

.title--left {
  text-align: left;
}

.list-item {
  display: grid;
  max-width: 1000px;
  margin-bottom: 20px;
  grid-template-columns: 50px auto;
  gap: 40px;
  line-height: 60px;
}

.list-cases {
  background-image: url(../img/cerber-y_title.svg);
  background-position: top right;
  background-size: contain;
  background-repeat: no-repeat;
}
.list-cases .list-item {
  margin-bottom: 80px;
  padding-right: 40%;
  margin-left: 160px;
}
.list-cases .list-item:last-child {
  margin-bottom: 0;
}

.img-arrow {
  height: 25px;
}

.sub-title {
  font-size: 17px;
  max-width: 1200px;
  margin: 0 auto;
  font-style: normal;
  font-weight: 400;
  line-height: 32px;
}

.sub-title-big {
  font-size: 30px;
  max-width: 1200px;
  margin: 0 auto;
  font-style: normal;
  font-weight: 400;
  line-height: 32px;
}

.bg--white {
  background-color: #ffffff;
}

.signature {
  text-align: right;
  margin-top: 20px;
  font-size: 25px;
  font-style: italic;
}

.center {
  height: 100vh;
  display: grid;
  align-items: center;
  align-content: center;
  gap: 20px;
}

.grid-two-column {
  height: 100vh;
  display: grid;
  grid-template-columns: 50% 50%;
  align-items: center;
  align-content: center;
  gap: 20px;
  color: #fff;
}

.grid-three-column {
  height: 100vh;
  display: grid;
  grid-template-columns: 40% 50% 10%;
  align-items: center;
  align-content: center;
  gap: 20px;
}
.arrow-left {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin: 20px 0;
  transform: rotate(180deg);
  background-position: center center;
  background-repeat: no-repeat;
}

.arrow-white {
  color: #fff;
  border: 1px solid #fff;
  background-image: url(../icon/arrow-down-white.svg);
}

.arrow-dark {
  color: #143251;
  border: 1px solid #143251;
  background-image: url(../icon/arrow-down.svg);
}

.arrow-right {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin: 20px 0;
  background-position: center center;
  background-repeat: no-repeat;
}

.oval {
  border: 1px solid #fff;
  border-radius: 50%;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  margin: 0 auto;
  font-size: 24px;
  justify-content: center;
}

.oval-dark {
  border: 1px solid #143251;
  color: #143251;
  border-radius: 50%;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  margin: 0 auto;
  font-size: 24px;
  justify-content: center;
}

#bg-video-cerber {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
}

.icon--medium {
  width: 40px;
}

/* FORM */

.page-contact-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  justify-items: center;
  gap: 20px;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  margin-bottom: 20px;
}

.form-row textarea {
  resize: none;
  height: 140px;
  font-family: "Montserrat", sans-serif;
}

textarea,
input {
  font-family: "Montserrat", sans-serif;
  font-size: 17px;
}

.form-contact {
  margin-top: 50px;
}

.form-contact-column {
  padding-left: 160px;
  text-align: justify;
}

.form-input {
  border-radius: 10px;
  border: 1px solid #fdfdfd;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  padding: 7px;
}

.form-input {
  border-radius: 10px;
  border: 1px solid #fdfdfd;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  padding: 15px;
  width: 100%;
}

.form-input-submit {
  border-radius: 10px;
  border: 1px solid #fdfdfd;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  padding: 15px;
  background-color: #143251;
  color: #fff;
  min-width: 150px;
}

.map {
  background-image: url(../img/map-placeholder.png);
  width: 100%;
  background-size: contain;
  background-position: center right;
  background-repeat: no-repeat;
}

/* SPACING */

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

.mb-40 {
  margin-bottom: 40px;
}

.mt-100 {
  margin-top: 100px;
}

.pt-60 {
  padding: 60px;
}

.gap-20 {
  gap: 20px;
}

.gap-60 {
  gap: 60px;
}

.max-w-600 {
  max-width: 600px;
}

.max-w-1000 {
  max-width: 1000px;
}

/* SHADOW */

.shadow-top {
  background: linear-gradient(
    0deg,
    rgba(34, 193, 195, 0) 85%,
    rgba(255, 255, 255, 1) 90%
  );
}
.text--shadow {
  text-shadow: 0px 0px 6px #000000;
}
.shadow--icon {
  background: radial-gradient(circle at center, #65788d 0, #ffffff 60%);
  border-radius: 50%;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shadow-primary {
  text-shadow: 22px -29px 120px 123px #1b006d;
}

@media only screen and (min-width: 320px) and (max-width: 759px) {
}

.swiper {
  width: 100%;
  height: 100%;
  margin-bottom: 160px;
}

.certSlide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url(../img/bg-slider.png);
  background-size: 100% 100%;
}

.verSlide {
  text-align: left;
  font-size: 18px;
  display: flex;
  gap: 50px;
  background-size: 100% 100%;
  height: auto;
}

.verSlide h2 {
  font-size: 36px;
  margin: 0;
  font-weight: normal;
}
.verSlideNum {
  color: #fff;
  font-weight: bold;
  text-shadow: #fff 0px 0px 14px;
  padding-left: 10px;
  padding-top: 10px;
}

.verSlideNum-dark {
  color: #ffffff;
  font-weight: bold;
  text-shadow: #143251 0px 0px 14px;
  padding-left: 10px;
  padding-top: 10px;
}

.verSlide p {
  font-size: 16px;
}

.box-slider {
  min-height: 250px;
  margin: 35px;
  padding: 20px;
  border: 1px solid #fff;
  text-align: left;
  color: #fff;
}

.box-slider-cert {
  margin: 15px;
  padding: 15px;
  border: 1px solid #fff;
  text-align: left;
  color: #fff;
}

.mark-number {
  position: absolute;
  right: 102px;
  font-size: 118px;
  font-weight: 700;
  text-shadow: #fff 0px 0px 1px, #fff 0px 0px 1px, #fff 0px 0px 1px,
    #fff 0px 0px 1px, #fff 0px 0px 1px, #fff 0px 0px 1px;
  color: #143251;
  bottom: 42px;
}

.certSwiper {
  margin-top: 100px;
}

.cert-img-wrapper img {
  width: 125%;
}

.footer {
  background-color: #143251;
  padding: 50px;
  text-align: left;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.footer a {
  color: #fff;
}

.footer-icons {
  display: flex;
  margin-top: 20px;
  gap: 10px;
}

.footer-icons img {
  width: 25px;
}
.wrap-vect {
  height: 60vh;
  margin-right: 100px;
}