styles.css

/*CSS*/
*,
*::after,
*::before {
  margin: 0;
  padding: 0;
}

html {
  font-size: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  scroll-behavior: smooth;
}

a {
  display: block;
  text-decoration: none;
}

.container {
  max-width: 98rem;
  margin: 0 auto;
  padding: 0 2.2rem;
}

/* header section */

header {
  position: fixed;
  top: 0;
  z-index: 1400;
  width: 100%;
  height: 4.4rem;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(1.5rem);
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 -1rem;
}

.nav-list-mobile {
  display: none;
}

.nav-link {
  font-size: 1.4rem;
  color: #fff;
  padding: 0 1rem;
  transition: opacity 0.5s;
}

.nav-link:hover {
  opacity: 0.7;
}

.nav-link-apple {
  width: 1.6rem;
  height: 4.4rem;
  background: url("images/icons/apple.svg") center no-repeat;
}

.nav-link-search {
  width: 1.6rem;
  height: 4.4rem;
  background: url("images/icons/search.svg") center no-repeat;
}

.nav-link-bag {
  width: 1.4rem;
  height: 4.4rem;
  background: url("images/icons/bag.svg") center no-repeat;
}

.imac {
  margin-top: 0;
  background: url("images/hero/iMac/imac_large.jpg");
}

/* iphone11pro section */

.iphone-12-pro {
  background: url("images/hero/iphone-12-pro/iphone_12_pro_large.jpg");
}

.title {
  color: #fff;
  text-align: center;
  padding-top: 5.5rem;
}

.title-heading {
  font-size: 5.6rem;
  line-height: 1.08;
  letter-spacing: 0.005rem;
}

.title-sub-heading {
  font-size: 2.65rem;
  margin-top: 0.6rem;
  letter-spacing: 0.008rem;
  font-weight: 400;
}

.title-price {
  font-size: 1.7rem;
  color: #888;
  margin-top: 0.68rem;
}

.cta {
  text-align: center;
  margin-top: 1.8rem;
}

.cta-link {
  color: #66bbff;
  font-size: 2.1rem;
  display: inline-block;
}

.cta-link:nth-child(2) {
  margin-left: 2.6rem;
}

.cta-link:hover {
  border-bottom: 2px solid #66bbff;
}

/* iphone 11 section */

.iphone-12 {
  background: url("images/hero/iphone-12/hero_iphone_12_large.jpg");
}

.title-dark {
  color: black;
}

.cta-link-darker {
  color: #0070c9;
}

.cta-link-darker:hover {
  border-bottom-color: #0070c9;
}

/* apple watch */

.watch {
  background: url("images/hero/watch/watch_large.jpg");
}

.title-heading-watch {
  height: 7.8rem;
  background: url("images/hero/watch/logo_watch_medium.png") center no-repeat;
  background-size: auto 7.8rem;
  margin-top: 1.6rem;
}
footer{
  text-align: center;
  background-color: black;
  color: white;
  font-size: medium;
}
/* Move this to bottom of style.css file always */
.hero {
  height: 69.2rem;
  background-size: auto 74;
  background-position: center;
  background-repeat: no-repeat;
  border-top: 0.6rem solid #fff;
  border-bottom: 0.6rem solid #fff;
}

.imac {
  border-top: none;
}

/* end  */

/* TABLET view */

@media screen and (max-width: 1024px) {
  .imac{
    background: url("images/hero/iMac/imac_medium.jpg");
  }
  .iphone-12-pro {
    background: url("images/hero/iphone-12-pro/iphone_12_pro_medium.jpg");
  }
  .iphone-12 {
    background: url("images/hero/iphone-12/hero_iphone_12_small.jpg");
  }
  .watch {
    background: url("images/hero/watch/watch_medium.jpg");
  }
  .hero {
    height: 65rem;
    background-size: auto;
    background-position: bottom center;
    background-repeat: no-repeat;
  }

  .title-heading {
    font-size: 4.4rem;
  }

  .title-sub-heading {
    font-size: 2.4rem;
  }

  .cta-link:nth-child(2) {
    margin-left: 2rem;
  }

  .title-heading-watch {
    height: 6.2rem;
    background: url("images/hero/watch/logo_watch_medium.png") center no-repeat;
    background-size: auto 6.2rem;
  }
}

/* MOBILE VIEW  */

@media screen and (max-width: 640px) {
  header {
    height: 4.8rem;
    transition: background 0.36s cubic-bezier(0.32, 0.08, 0.24, 1),
      height 0.56s cubic-bezier(0.32, 0.08, 0.24, 1);
  }

  header .container {
    padding: 0;
  }

  .imac {
    margin-top: 4.8rem;
  }

  .nav-list {
    margin-top: 0;
  }

  .nav-list-mobile {
    display: flex;
  }

  .nav-item {
    width: 4.8rem;
    height: 4.8rem;
    display: flex;
    justify-content: center;
  }

  .nav-item-hidden {
    display: none;
  }

  .mobile-menu {
    position: relative;
    z-index: 1500;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .line {
    position: absolute;
    width: 1.7rem;
    height: 1px;
    background-color: white;
    transition: margin-top 0.3192s cubic-bezier(0.04, 0.04, 0.12, 0.96);
  }

  .line-top {
    margin-top: 3px;
  }

  .line-bottom {
    margin-top: -0.4rem;
  }

  .active .line-top {
    margin-top: 0;
    transform: rotate(45deg);
    transition: transform 0.3192s 0.1s cubic-bezier(0.04, 0.04, 0.12, 0.96);
  }
  .active .line-bottom {
    margin-top: 0;
    transform: rotate(-45deg);
    transition: transform 0.3192s 0.1s cubic-bezier(0.04, 0.04, 0.12, 0.96);
  }

  header.active {
    height: 100%;
    background-color: black;
  }

  .nav-link-apple {
    width: 1.8rem;
    height: 4.8rem;
    position: relative;
    z-index: 1500;
  }

  .nav-link-bag {
    width: 1.6rem;
    height: 4.8rem;
    transition: opacity 3s;
  }

  .nav {
    position: relative;
  }

  .nav-link {
    font-size: 1.7rem;
    padding: 0;
    margin: auto;
  }

  .nav-list-larger {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    display: block;
    padding: 10.5rem 5rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    box-sizing: border-box;
    transition: opacity 0.3s;
  }

  .active .nav-list-larger {
    width: 100%;
    height: 100vh;
    opacity: 1;
    visibility: visible;
  }

  .active .nav-list-bag {
    opacity: 0;
    transition: opacity 0.3s;
  }

  .nav-list-larger .nav-item {
    width: 100%;
    justify-content: flex-start;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  }

  .nav-list-larger .nav-item:nth-child(9) {
    border-bottom: none;
  }
  .active .nav-list-larger .nav-item {
    animation: fadeIn 1s ease-in;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
}

@media screen and (max-width: 640px) {
  .imac{
    background: url("images/hero/iMac/imac_small.jpg");
  }
  .iphone-12-pro {
    background: url("images/hero/iphone-12-pro/iphone_12_pro_small.jpg");
  }
  .iphone-12 {
    background: url("images/hero/iphone-12/hero_iphone_12_small.jpg");
  }
  .watch {
    background: url("images/hero/watch/watch_small.jpg");
  }
  .hero {
    height: 54rem;
    background-size: auto 55rem;
    background-position: bottom center;
    background-repeat: no-repeat;
  }
  .title {
    padding: 3.7rem;
  }

  .title-heading {
    font-size: 3.2rem;
  }
  .title-sub-heading {
    font-size: 1.9rem;
  }
  .title-heading-watch {
    margin-top: -0.5rem;
    margin-bottom: 0;
  }

  .title-price {
    font-size: 1.4rem;
  }

  .cta {
    margin-top: 0.7rem;
  }

  .cta-link {
    font-size: 1.9rem;
  }
}