html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  overflow-x: hidden;
}

.site-logo {
  font-weight: 900;
  font-size: 2rem;
  color: var(--text);
  text-decoration: none;
}

header {
  --text: #fafafa;
  --text-inverse: #333;
  --background: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em 3em;
  transition: background 250ms ease-in;
  background: var(--background);
  color: var(--text);
}

@media (max-width: 800px) {
  .hamburger-icon {
    width: 35px;
    height: 30px;
    position: fixed;
    top: 25px;
    right: 50px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
  }

  .line {
    width: 100%;
    height: 3px;
    background-color: var(--text);
    transition: all 0.4s;
  }

  .change .line-1 {
    transform: rotateZ(-45deg) translate(-8px, 6px);
  }

  .change .line-2 {
    opacity: 0;
  }

  .change .line-3 {
    transform: rotateZ(45deg) translate(-8px, -6px);
  }

  .main-nav {
    width: 300px;
    height: 100%;
    background-color: white;
    position: fixed;
    top: 0;
    right: -300px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: right 0.4s;
  }

  .change {
    right: 0;
  }

  .black-background {
    background-color: black;
  }

  .black-text {
    color: black !important;
  }

  .nav-list {
    display: inline-block !important;
  }
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.nav-link {
  --spacing: 1em;
  text-decoration: none;
  color: inherit;
  display: inline-block;
  padding: calc(var(--spacing) / 2) var(--spacing);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--spacing);
  right: var(--spacing);
  height: 2px;
  background: currentColor;
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  transition: -webkit-transform 150ms ease-in-out;
  transition: transform 150ms ease-in-out;
  transition: transform 150ms ease-in-out, -webkit-transform 150ms ease-in-out;
}

.nav-link:hover::after {
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
}

.nav-scrolled {
  --text: #6495ed;
  --text-inverse: #f4f4f4;
  --background: #f4f4f4;
  box-shadow: 0 3px 20px rgba(0, 0, 0, 0.2);
}

.home {
  padding: 50vh 0;
  background: #6495ed;
  background-size: cover;
  background-blend-mode: multiply;
  color: white;
  text-align: center;
}

.container {
  padding: 0 50px;
  margin: 0 auto;
}

#about,
#products,
#details,
#contact {
  margin-top: -75px;
  padding-top: 75px;
}

.about,
.products,
.details,
.contact {
  padding: 4em 0;
}

.columns {
  display: flex;
}

.col + .col {
  margin-left: 2em;
}

@media (max-width: 800px) {
  .columns {
    display: block;
  }

  .col + .col {
    margin-left: 0;
  }
}

.fade-in {
  opacity: 0;
  transition: opacity 250ms ease-in;
}

.fade-in.appear {
  opacity: 1;
}

.bold {
  font-weight: 600;
  font-size: 20px;
}

.center {
  text-align: center;
}

.products,
.contact {
  background: #f4f4f4;
}

.item {
  padding: 1.5em 0;
  display: grid;
  width: 100%;
  margin: 0 auto;
  grid-gap: 2em;
  align-items: center;
  grid-template-columns: minmax(1em, 1fr) repeat(2, minmax(200px, 400px)) minmax(
      1em,
      1fr
    );
}

.image {
  text-align: center;
}

@media (max-width: 780px) {
  .item {
    display: block;
    margin: auto;
  }
  h3.txt-item {
    margin-top: 1rem;
  }
}

.img-item,
.txt-item {
  width: 350px;
  margin: auto;
  padding: 0;
}

ul.txt-item {
  padding-left: 40px;
}

@media (max-width: 992px) {
  .img-item,
  .txt-item {
    width: 300px;
  }
}

@media (max-width: 400px) {
  .img-item,
  .txt-item {
    width: 250px;
  }
}

@media (max-width: 780px) {
  .reverse {
    display: flex;
    flex-flow: column;
  }
  #a {
    order: 2;
  }
  #b {
    order: 1;
  }
}

@media (min-width: 1200px) {
  .proc-img-item1 {
    content: url('img/details/procedure.png') !important;
  }
  .proc-img-item2 {
    display: none;
  }
}

@media (max-width: 1199px) {
  .proc-img-item1,
  .proc-img-item2 {
    display: block;
    margin: auto;
  }
}

@media (max-width: 700px) {
  .proc-img-item1,
  .proc-img-item2,
  .res-img-item1,
  .res-img-item2,
  .res-img-item3 {
    width: 300px;
  }
}

@media (max-width: 400px) {
  .proc-img-item1,
  .proc-img-item2,
  .res-img-item1,
  .res-img-item2,
  .res-img-item3 {
    width: 200px;
  }
}

.directions ol {
  padding: 0;
}

video {
  height: 300px;
  display: block;
  margin: 4rem auto;
}

@media (max-width: 700px) {
  video {
    height: 250px;
  }
}

@media (max-width: 600px) {
  video {
    height: 200px;
  }
}

@media (max-width: 480px) {
  video {
    height: 150px;
  }
}

.from-left {
  grid-column: 2 / 3;
  transform: translateX(-50%);
}

.from-right {
  grid-column: 3 / 4;
  transform: translateX(50%);
}

.from-left,
.from-right {
  transition: opacity 250ms ease-in, transform 400ms ease-in;
  opacity: 0;
}

.from-left.appear,
.from-right.appear {
  transform: translatex(0);
  opacity: 1;
}

table {
  margin: auto;
  padding-bottom: 4rem;
}

th {
  color: #fff;
  font-weight: 500;
}

th,
td {
  border: 1px solid black;
  padding: 1rem;
}

@media (max-width: 780px) {
  th,
  td {
    padding: 0.5rem;
  }
}

@media (max-width: 630px) {
  th,
  td {
    padding: 0.2rem;
  }
}

th {
  background-color: #6495ed;
}

tr td:first-child {
  background-color: #c0c0c0;
}

.instructions {
  text-align: center;
  padding-bottom: 3rem;
}

.link {
  text-decoration: none;
  color: #6495ed;
  font-weight: 550;
}

.questions {
  padding-bottom: 4em;
  text-align: center;
}

.phone {
  text-decoration: none;
  color: #000;
}

.website {
  width: 250px;
}

.button {
  padding-bottom: 6rem;
  text-align: center;
}

.pdfs-btn {
  background-color: #6495ed;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
}

/* Contact form */
.form {
  width: 100%;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 20px 1px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 2rem 0;
}

.contact-form {
  background-color: #6495ed;
  position: relative;
}

.contact-form:before {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  background-color: #6495ed;
  transform: rotate(45deg);
  top: 50px;
  left: -13px;
}

form {
  padding: 2.3rem 2.2rem;
  z-index: 10;
  overflow: hidden;
  position: relative;
}

.input-container {
  position: relative;
  margin: 1rem 0;
  padding-right: 2rem;
}

.input {
  width: 100%;
  outline: none;
  border: 2px solid #fafafa;
  background: none;
  padding: 0.6rem 1.2rem;
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  border-radius: 25px;
  transition: 0.3s;
  font-family: 'Poppins', sans-serif;
}

textarea.input {
  padding: 0.8rem 1.2rem;
  min-height: 150px;
  border-radius: 22px;
  resize: none;
  overflow-y: auto;
}

.input-container label {
  position: absolute;
  top: 50%;
  left: 15px;
  transform: translateY(-50%);
  padding: 0 0.4rem;
  color: #fafafa;
  font-size: 0.9rem;
  font-weight: 400;
  pointer-events: none;
  z-index: 1000;
  transition: 0.5s;
}

.input-container.textarea label {
  top: 1rem;
  transform: translateY(0);
}

.btn {
  padding: 0.6rem 1.3rem;
  background-color: #fff;
  border: 2px solid #fafafa;
  font-size: 0.95rem;
  color: #6495ed;
  line-height: 1;
  border-radius: 25px;
  outline: none;
  cursor: pointer;
  transition: 0.3s;
  margin: 0;
}

.btn:hover {
  background-color: transparent;
  color: #fff;
}

.input-container span {
  position: absolute;
  top: 0;
  left: 25px;
  transform: translateY(-50%);
  font-size: 0.8rem;
  padding: 0 0.4rem;
  color: transparent;
  pointer-events: none;
  z-index: 500;
}

.input-container span:before,
.input-container span:after {
  content: '';
  position: absolute;
  width: 10%;
  opacity: 0;
  transition: 0.3s;
  height: 5px;
  background-color: #6495ed;
  top: 50%;
  transform: translateY(-50%);
}

.input-container span:before {
  left: 50%;
}

.input-container span:after {
  right: 50%;
}

.input-container.focus label {
  top: 0;
  transform: translateY(-50%);
  left: 25px;
  font-size: 0.8rem;
}

.input-container.focus span:before,
.input-container.focus span:after {
  width: 50%;
  opacity: 1;
}

.contact-info {
  padding: 2.3rem 2.2rem;
  position: relative;
}

.text {
  color: #333;
  margin: 1.5rem 0 2rem 0;
}

.information {
  display: flex;
  color: #555;
  margin: 0.7rem 0;
  align-items: center;
  font-size: 0.95rem;
}

.icon {
  font-size: 28px;
  color: #6495ed;
  margin-right: 0.7rem;
}

.social-media {
  padding: 2rem 0 0 0;
}

.social-media p {
  color: #333;
}

.social-icons {
  display: flex;
  margin-top: 0.5rem;
}

.social-icons a {
  width: 35px;
  height: 35px;
  border-radius: 5px;
  background: linear-gradient(45deg, #6495ed, #2c65c9);
  color: #fff;
  text-align: center;
  line-height: 35px;
  margin-right: 0.5rem;
  transition: 0.3s;
}

.social-icons a:hover {
  transform: scale(1.05);
}

.information a {
  text-decoration: none;
  color: black;
}

.send {
  display: flex;
}

#status {
  font-weight: bold;
  margin: 5px 0 0 10px;
}

@media (max-width: 850px) {
  .form {
    grid-template-columns: 1fr;
  }

  .contact-form:before {
    top: -13px;
    left: initial;
    right: 70px;
  }

  .text {
    margin: 1rem 0 1.5rem 0;
  }

  .social-media {
    padding: 1.5rem 0 0 0;
  }
}

@media (max-width: 480px) {
  form,
  .contact-info {
    padding: 1.7rem 1.6rem;
  }

  .columns,
  .explanation,
  .txt-item,
  .directions,
  table,
  .questions,
  .upload-results,
  .text,
  .information,
  .social-media p,
  #status {
    font-size: 0.8rem;
  }

  .social-icons a {
    width: 30px;
    height: 30px;
    line-height: 30px;
  }

  .icon {
    width: 23px;
  }

  .input {
    padding: 0.45rem 1.2rem;
  }

  .btn {
    padding: 0.45rem 1.2rem;
  }
}

footer {
  height: 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
}