* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
html {
  font-size: 62.5%;
}

body {
  font-family: "Rubik", sans-serif;
  line-height: 1;
  font-weight: 400;
  color: rgb(51, 51, 51);
  width: 120rem;
  margin: 0 auto;
}
main {
  padding: 0 9.6rem;
  margin-top: 7.8rem;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 9.6rem;
  max-width: 150rem;
  padding: 0 4.8rem;
  margin: 2rem auto;
  margin-top: 3.2rem;
}
.logo {
  height: 8rem;
}
.main-nav-list {
  list-style: none;
  display: flex;
  gap: 3.2rem;
}
.main-nav-link:link,
.main-nav-link:visited {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 2rem;
  transition: all 0.3s;
}
.main-nav-link:hover,
.main-nav-link:active {
  color: #e8343b;
}
.main-nav-link.nav-btn:link,
.main-nav-link.nav-btn:visited {
  padding: 1rem 5rem;
  border-radius: 2rem;
  color: #fff;
  background-color: #000;
}

.main-nav-link.nav-btn:hover,
.main-nav-link.nav-btn:active {
  background-color: #e8343b;
}

.main-section,
.secondary-section,
.tertiary-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 130rem;
  gap: 9.6rem;
  margin: 5.6rem auto;
  align-items: center;
  padding-bottom: 5.6rem;
}
.text h2 {
  font-size: 2.8rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.slogan {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: #333;

  margin-bottom: 4.8rem;
}
.description {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.main-section .image {
  width: 100%;
  box-shadow: -2rem 2rem 2rem rgba(0, 0, 0, 0.6);
  border-radius: 0.3rem;
}
.secondary-section .image {
  width: 100%;
  box-shadow: 2rem 2rem 2rem rgba(0, 0, 0, 0.6);
  border-radius: 0.3rem;
}
.tertiary-section .image {
  width: 100%;
  box-shadow: -2rem 2rem 2rem rgba(0, 0, 0, 0.6);
  border-radius: 0.3rem;
}
.secondary,
.tertiary {
  padding: 0rem 9.6rem;
  max-width: 150rem;
  margin: 0 auto;
}

.winding {
  max-width: 150rem;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: center;
}
.winder-image {
  border-top: 1rem solid #e8343b;
  border-bottom: 1rem solid #e8343b;
  width: 60rem;
}
.texas {
  font-size: 4.8rem;
  font-weight: 600;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.5px;
  position: absolute;
  top: 35px;
  left: 165px;
  text-shadow: 0.3rem 0.3rem 0.2rem rgba(0, 0, 0, 0.8);
}
.copyright-text {
  font-size: 2rem;
  line-height: 1.6;
  margin: 2rem 9.6rem 4.8rem 4.8rem;
  color: #888;
}
.test-list {
  font-size: 2rem;
  line-height: 1.6;
}
.testing {
  max-width: 150rem;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  justify-items: center;
  position: relative;
}
.test-image {
  border-top: 1rem solid #e8343b;
  border-bottom: 1rem solid #e8343b;
  width: 30rem;
}
.universal {
  font-size: 4.8rem;
  font-weight: 600;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.5px;
  position: absolute;
  top: 35px;
  left: 80px;
  text-shadow: 0.3rem 0.3rem 0.2rem rgba(0, 0, 0, 0.8);
}

.main-nav-link1:link,
.main-nav-link1:visited {
  text-decoration: none;
  color: #e8343b;
  font-weight: 500;
  font-size: 2rem;
  transition: all 0.3s;
}
.main-nav-link1:hover,
.main-nav-link1:active {
  color: #e8343b;
}

.main-nav-link2:link,
.main-nav-link2:visited {
  text-decoration: none;
  color: #e8343b;
  font-weight: 500;
  font-size: 2rem;
  transition: all 0.3s;
}
.main-nav-link2:hover,
.main-nav-link2:active {
  color: #e8343b;
}
.main-nav-link3:link,
.main-nav-link3:visited {
  text-decoration: none;
  color: #e8343b;
  font-weight: 500;
  font-size: 2rem;
  transition: all 0.3s;
}
.main-nav-link3:hover,
.main-nav-link3:active {
  color: #e8343b;
}
.main-nav-link4:link,
.main-nav-link4:visited {
  text-decoration: none;
  color: #e8343b;
  font-weight: 500;
  font-size: 2rem;
  transition: all 0.3s;
}
.main-nav-link4:hover,
.main-nav-link4:active {
  color: #e8343b;
}
.aci h2,
.aci p {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.founder h2,
.founder p {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.about {
  margin: 7.8rem auto;
  padding: 0 9.6rem;
}
.aci {
  margin-bottom: 7.8rem;
}
.aci h2,
.founder h2 {
  font-size: 2.8rem;
}

.contact h2 {
  font-size: 2.4rem;

  margin-bottom: 2rem;
}
.contact p {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 4.8rem;
}

.contact {
  margin-top: 4.8rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 2fr;
  margin-bottom: 2rem;
}
.contact-us {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.contactus {
  font-size: 2.8rem;
  line-height: 1.6;

  margin-bottom: 2.8rem;
}
.contact-main {
  padding: 0 9.6rem;
  margin-top: 7.8rem;
}
.sample {
  max-width: 150rem;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: center;
}
.sample-image {
  border-top: 1rem solid #e8343b;
  border-bottom: 1rem solid #e8343b;
  width: 60rem;
}
.sample-text {
  font-size: 4.8rem;
  font-weight: 600;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.5px;
  position: absolute;
  top: 150px;
  left: 210px;
  text-shadow: 0.3rem 0.3rem 0.2rem rgba(0, 0, 0, 0.8);
}

.made-tag {
  width: 16rem;
  position: absolute;
  bottom: 5rem;
  right: 4rem;
  box-shadow: 0.3rem 0.3rem 0.2rem rgba(0, 0, 0, 0.8);
  border-radius: 2rem;
  transform: rotate(10deg);
  transform-origin: center;
}
.git {
  color: #fff;
  padding: 4.6rem 4.6rem;
  flex-direction: column;
  align-items: left;
  background-color: #e8343b;
  /*margin-top: 8.6rem;*/
  margin-bottom: 8.6rem;
  margin-left: 5rem;
  margin-right: 5rem;
}

.git-head {
  font-size: 2.8rem;

  margin-bottom: 3.6rem;
}

.git-text {
  font-size: 2rem;
  line-height: 1.6;
}
form {
  display: grid;
  grid-template-columns: 2fr 3fr;
  column-gap: 3rem;
  row-gap: 1.6rem;
  margin-top: 2.8rem;
}
input {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.6rem;
  font-family: inherit;
  border-radius: 1rem;
  border-style: none;
}
input::placeholder {
  color: #bbb;
}
.formbutton {
  font-family: inherit;
  font-size: 2rem;
  font-weight: 500;
  padding: 1rem 2rem;
  margin-right: 16.8rem;
  border-radius: 2rem;
  color: #fff;
  background-color: #000;
  cursor: pointer;
  grid-column: 1/2;
  border-style: none;
  margin-top: 2.5rem;
}
.formbutton:hover {
  background-color: rgb(255, 255, 0, 0.8);
  color: #333;
  transition: all 0.3s;
}
.message {
  grid-row: 1/5;
  grid-column: 2;
  width: 100%;
  padding: 1.2rem;
  font-size: 1.6rem;
  font-family: inherit;
  border-radius: 1rem;
  border-style: none;
  resize: none;
}

.message::placeholder {
  color: #bbb;
}
.git input:focus,
.git textarea:focus {
  outline: none;
  box-shadow: 0 0 0 0.5rem rgb(255, 255, 0, 0.8);
}