@keyframes pulse {
  0%, 100% {
    transform: scale(0.9);
  }
  50% {
    transform: scale(1);
  }
}

@keyframes iconpulse {
  0%, 20%, 100% {
    transform: scale(1);
  }

  10% {
    transform: scale(1.2);
  }
}

* {
  box-sizing: border-box;
}

html, body {
  background: white;
  color: black;
  font-family: 'Raleway', sans-serif;
  font-size: 22px;
  font-weight: 400;
  margin: 0;
  padding: 0;
}

section {
  padding: 100px 0;
}

h2 {
  font-size: 48px;
  font-weight: 800;
  margin: 0;
  padding: 0;
}

small {
  font-size: 65%;
}

.container {
  margin: 0 auto;
  max-width: 1270px;
  padding: 0 45px;
}

.main {
  background: black url('../img/bg-main-int.jpg') top center no-repeat;
  color: white;
  overflow: hidden;
  position: relative;
}

.modelB .main,
.modelC .main {
  background: black url('../img/bg-main-abnt.jpg') top center no-repeat;
}

.main__title {
  background: transparent url('../img/ideapad-title.png') no-repeat;
  background-size: contain;
  max-width: 659px;
  height: 0;
  padding-bottom: 40.515%;
  margin: 40px 0 100px 0;
  overflow: hidden;
  text-indent: -9999px;
}

.main__intel {
  font-size: 16px;
}

.main__intelLogos {
  margin-bottom: 10px;
}

.main__intelLogos img {
  display: inline-block;
  margin-right: 10px;
}

.main__summary {
  color: #7ac0df;
  font-size: 18px;
  font-weight: 700;
  list-style: none;
  margin: 170px 0 0 0;
  padding: 0;
  text-align: center;
  align-items: flex-start;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.main__summary li {
  flex: 0 0 137px;
  margin: 0 15px 30px 15px;
}

.main__summary .pulse {
  animation: iconpulse 6s infinite;
}

.main__summary img {
  display: block;
  margin: 0 auto 10px auto;
  object-fit: contain;
  height: 80px;
  max-width: 90px;
}

.lenovoStamp {
  background: transparent url('../img/lenovo-stamp.gif') no-repeat;
  height: 206px;
  overflow: hidden;
  position: absolute;
  right: 0;
  text-indent: -9999px;
  top: 70px;
  width: 68px;
}

.summary {
  background: transparent url('../img/bg-summary.png') top center no-repeat;
}

.content {
  max-width: 1060px;
  margin: 0 auto;
}

.summary__video {
  max-width: 800px;
  margin: 70px auto 0 auto;
  height: 0;
  padding-top: 33.8999999999999%;
  position: relative;
}

.summary__video a,
.summary__video img {
  display: block;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  object-fit: cover;
}

.summary__videoContainer {
  max-width: 800px;
  margin: 70px auto 0 auto;
}

.performance {
  height: 1080px;
  position: relative;
  width: auto;
}

.performance__bgVid {
  margin-top: -100px;
  width: 100%;
  height: 1080px;
}

.performance__bgVid video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.performace__container {
  background: transparent url('../img/bg-performance.png') top center no-repeat;
  bottom: 0;
  left: 0;
  padding-top: 100px;
  position: absolute;
  right: 0;
  top: 0;
}

.performance__notebook {
  margin-top: 45px;
  text-align: center;
}

.precision {
  background: url('../img/bg-precision-int.png') top center no-repeat,
              url('../img/bg-precision-pattern.png') repeat;
  color: white;
}

.modelB .precision,
.modelC .precision {
  background: url('../img/bg-precision-abnt.png') top center no-repeat,
              url('../img/bg-precision-pattern.png') repeat;
}

.precision__content {
  margin: 320px 0 780px 90px;
  width: 510px;
}

.precision__comparison {
  background: transparent url('../img/pic-notebook-precision-int.png') top center no-repeat;
  height: 866px;
  margin: 130px -45px 0 -45px;
  overflow: hidden;
}

.modelB .precision__comparison,
.modelC .precision__comparison {
  background: transparent url('../img/pic-notebook-precision-abnt.png') top center no-repeat;
}

.precision__comparisonContainer {
  width: 811px;
  height: 461px;
  margin: 40px auto 0 auto;
}

.audio {
  height: 1080px;
  position: relative;
  width: auto;
}

.audio__bgVid {
  margin-top: -100px;
  width: 100%;
  height: 1080px;
}

.audio__bgVid video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.audio__container {
  background: transparent url('../img/bg-summary.png') top center no-repeat;
  bottom: 0;
  left: 0;
  padding-top: 100px;
  position: absolute;
  right: 0;
  top: 0;
}

.audio__notebook {
  margin-top: 70px;
  text-align: center;
  animation: pulse 2s infinite;
}

.desc {
  background: black;
  color: white;
  height: 1080px;
  position: relative;
}

.desc .content {
  margin-top: 720px;
}

.desc__menu {
  background: white;
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  position: relative;
  z-index: 999999;
  width: 1060px;
}

.desc__menu a {
  color: black;
  display: block;
  padding: 30px 50px;
  text-align: center;
  text-decoration: none;
}

.desc__menu a.selected {
  background-color: #68beda;
  font-weight: 700;
  text-transform: uppercase;
}

.desc__cooling,
.desc__charging,
.desc__storage,
.desc__privacy {
  background-position: top center;
  background-repeat: no-repeat;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.desc__cooling {
  background-image: url('../img/bg-cooling.jpg');
}

.desc__charging {
  display: none;
  background-image: url('../img/bg-charging.jpg');
}

.desc__storage {
  display: none;
  background-image: url('../img/bg-storage.jpg');
}

.desc__privacy {
  display: none;
  background-image: url('../img/bg-privacy.jpg');
}

.design {
  position: relative;
}

.design h2 {
  font-size: 60px;
  font-weight: 800;
  margin: 0 auto 50px auto;
  text-align: center;
  width: 920px;
}

.design__showcase {
  margin: 0;
}

.design__showcase .slick-slide {
  height: 450px;
  margin: 0 32px;
}

.design__showcase .slick-slide * {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer {
  background: transparent url('../img/bg-footer.jpg');
  height: 789px;
  margin: 0;
  padding: 0;
}

.footer .container {
  align-items: center;
  display: flex;
  height: 100%;
  justify-content: center;
  width: 965px;
}

.footer__logo {
  text-align: right;
}

.footer__content {
  color: white;
  font-size: 60px;
  font-weight: 800;
  text-align: center;
}

.slick-dots li button::before {
  content: '';
  width: 8px;
  height: 8px;
  border: 3px solid #68beda;
  border-radius: 50%;
  background-color: white;
  opacity: 1;
}

.slick-dots li.slick-active button::before {
  background-color: #68beda;
}

.slick-next::before,
.slick-prev::before {
  content: '';
}

.slick-next,
.slick-prev {
  width: 62px;
  height: 59px;
  transform: translate(0, -50%);
  z-index: 99;
}

.slick-next {
  right: 32%;
}

.slick-prev {
  left: 32%;
}

.precision__content__keyboard,
.precision__display {
  display: none;
}

@media (max-width: 639px) {
  .main__summary {
    margin-top: 80px;
  }
}

@media (max-width: 1059px) {
  section {
    padding: 45px 0;
  }
}

@media (max-width: 1279px) {
  body, html {
    font-size: 16px;
    line-height: 1.2;
  }

  h2 {
    line-height: 1;
    font-size: 24px;
    margin-bottom: 20px;
  }

  .lenovoStamp {
    display: none;
  }

  .summary {
    background-image: none;
    padding-bottom: 0;
  }

  .main {
    background-size: 260%;
  }

  .main__title {
    background: transparent url('../img/ideapad-title.png') no-repeat;
    background-size: contain;
    max-width: 659px;
    height: 0;
    padding-bottom: 40.515%;
    margin: 45px 0 130px 0;
    overflow: hidden;
    text-indent: -9999px;
  }

  .main__intel {
    font-size: 12px;
    font-weight: 700;
  }

  .main__summary {
    font-size: 18px;
    font-weight: 400;
  }

  .main__summary li {
    flex: 0 0 150px;
  }

  .performance__notebook {
    text-align: center;
    max-width: 800px;
    margin: 45px auto 0 auto;
    height: auto;
  }

  .performance__notebook img {
    width: 100%;
  }

  .performance {
    height: auto;
  }

  .performance__bgVid,
  .audio__bgVid {
    display: none;
  }

  .performace__container,
  .audio__container {
    padding-top: 0;
    background-image: none;
    position: relative;
    top: auto;
    bottom: auto;
    right: auto;
    left: auto;
  }

  .precision {
    background: url('../img/bg-precision-pattern.png') repeat;
  }

  .precision__content {
    width: auto;
    max-width: 1060px;
    margin: 0 auto;
  }

  .precision__content__keyboard,
  .precision__display {
    display: block;
    text-align: center;
    max-width: 700px;
    margin: 45px auto 45px auto;
  }

  .precision__content__keyboard img,
  .precision__display img {
    width: 100%;
  }

  .precision__comparison {
    display: none;
  }

  .audio {
    height: auto;
  }

  .audio__notebook {
    animation: none;
    max-width: 500px;
    margin: 45px auto;
  }

  .audio__notebook img {
    max-width: 100%;
  }

  .content {
    padding: 0 45px;
  }

  .container .content {
    padding: 0;
  }

  .desc {
    height: auto;
    background: url('../img/bg-precision-pattern.png') repeat;
  }

  .desc .content {
    margin-top: 0;
    margin-bottom: 45px;
  }

  .desc__menu {
    display: none;
  }

  .desc__cooling,
  .desc__charging,
  .desc__storage,
  .desc__privacy {
    display: block;
    height: auto;
    left: auto;
    position: relative;
    top: auto;
    max-width: 1060px;
    margin: 0 auto;
    background: none;
  }

  .design {
    max-width: 1060px;
    padding: 45px;
  }

  .design h2 {
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 45px auto;
    text-align: center;
    width: auto;
  }

  .slick-next,
  .slick-prev {
    transform: scale(.75);
  }

  .slick-next {
    right: 2%;
  }

  .slick-prev {
    left: 2%;
  }

  .footer {
    background-size: cover;
  }

  .footer__logo {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 45px auto;
    padding: 0 45px;
  }

  .footer__logo img {
    width: 100%;
  }

  .footer__content {
    color: white;
    font-size: 45px;
    font-weight: 800;
    text-align: center;
  }

  .footer .container {
    width: auto;
  }
}