/**********************
  0 - 600px     : phone
  600 - 900px   : tablet portrait
  900 - 1200px  : Tablet landscape
  [1200 -1800px]: Desktop, is where normal styles apply
  1800px +      : Big desktop

  $beakpoint arguments choices:
  - phone
  - tab-port
  - tab-land
  - big-desktop
  
  Notes:
    - 'em' works better than 'rem' for media query.
    - 1em = 16px
  
  ORDER: Base(font-size) + typography > general layout + grid > page layout > components
  */
*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
  /* force the property 'box-sizing' to be inherited for all elements including the pseudo elements ('::after' & '::before') */ }

html {
  font-size: 62.5%; }
  @media (max-width: 75em) {
    html {
      font-size: 56.25%; } }
  @media (max-width: 56.25em) {
    html {
      font-size: 50%; } }
  @media (min-width: 112.5em) {
    html {
      font-size: 75%; } }

body {
  box-sizing: border-box;
  padding: 3rem; }
  @media (max-width: 56.25em) {
    body {
      padding: 0; } }

@keyframes moveInLeft {
  0% {
    opacity: 0;
    transform: translateX(-10rem); }
  80% {
    transform: translateX(-1rem); }
  100% {
    opacity: 1;
    transform: translateX(0); } }

@keyframes moveInRight {
  0% {
    opacity: 0;
    transform: translateX(10rem); }
  80% {
    transform: translateX(-1rem); }
  100% {
    opacity: 1;
    transform: translateX(0); } }

@keyframes moveInBottom {
  0% {
    opacity: 0;
    transform: translateY(10rem); }
  100% {
    opacity: 1;
    transform: translateY(0); } }

@keyframes rotate {
  0% {
    transform: rotateY(0deg); }
  50% {
    transform: rotateY(180deg); } }

body {
  font-family: "Lato", sans-serif;
  font-weight: 400;
  line-height: 1.7;
  color: #777; }

.heading-primary {
  color: #fff;
  text-transform: uppercase;
  backface-visibility: hidden;
  /* prevent the element shaking at the end of animation*/
  margin-bottom: 6rem; }
  .heading-primary--main {
    display: block;
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: 1rem;
    animation: moveInLeft;
    animation-duration: 1s;
    animation-timing-function: ease-out; }
    @media (max-width: 56.25em) {
      .heading-primary--main {
        letter-spacing: 1rem;
        font-size: 4rem; } }
    @media (max-width: 37.5em) {
      .heading-primary--main {
        font-size: 3rem; } }
  .heading-primary--sub {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 1rem;
    animation: moveInRight 1s ease-out; }
    @media (max-width: 56.25em) {
      .heading-primary--sub {
        font-size: 2rem; } }
    @media (max-width: 37.5em) {
      .heading-primary--sub {
        font-size: 1.2rem; } }

.heading-secondary {
  font-size: 3.5rem;
  text-transform: uppercase;
  font-weight: 700;
  display: inline-block;
  background-image: linear-gradient(to right, #7ed56f, #28b485);
  -webkit-background-clip: text;
  color: transparent;
  letter-spacing: 0.2rem;
  transition: all 0.2s; }
  @media (max-width: 56.25em) {
    .heading-secondary {
      font-size: 3rem; } }
  @media (max-width: 37.5em) {
    .heading-secondary {
      font-size: 2.5rem; } }
  .heading-secondary:hover {
    transform: skewY(2deg) skewX(15deg) scale(1.1);
    text-shadow: 0.5rem 1rem 2rem rgba(51, 51, 51, 0.8); }

.heading-tertiary {
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase; }

.paragraph {
  font-size: 1.6rem; }
  .paragraph:not(:last-child) {
    margin-bottom: 3rem; }

.u-center-text {
  text-align: center !important; }

.u-margin-bottom-small {
  margin-bottom: 1.5rem !important; }

.u-margin-bottom-medium {
  margin-bottom: 4rem !important; }
  @media (max-width: 56.25em) {
    .u-margin-bottom-medium {
      margin-bottom: 2rem !important; } }

.u-margin-bottom-big {
  margin-bottom: 8rem !important; }
  @media (max-width: 56.25em) {
    .u-margin-bottom-big {
      margin-bottom: 5rem !important; } }

.u-margin-top-big {
  margin-top: 8rem !important; }

.u-margin-top-huge {
  margin-top: 10rem !important; }

.u-text-white {
  color: #fff; }

.u-text-white {
  color: #fff; }

.u-text-white {
  color: #fff; }

.u-width-medium {
  width: 24rem; }

.u-width-small {
  width: 20rem; }

.btn {
  /* Use pseudo element 'after' to create a child element of btn */ }
  .btn, .btn:link, .btn:visited {
    text-transform: uppercase;
    text-decoration: none;
    font-size: 1.6rem;
    padding: 1.5rem 4rem;
    display: inline-block;
    border-radius: 10rem;
    position: relative;
    transition: all 0.2s;
    border: none;
    cursor: pointer; }
  .btn:hover {
    transform: translateY(-0.3rem);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
    /* box-shadow: x y blur color */ }
    .btn:hover::after {
      transform: scaleX(1.4) scaleY(1.6);
      opacity: 0; }
  .btn:active, .btn:focus {
    transform: translateY(-0.1rem);
    box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.2);
    outline: none; }
  .btn--white {
    background-color: #fff;
    color: #777; }
    .btn--white::after {
      background-color: #fff; }
  .btn--green {
    background-color: #55c57a;
    color: #fff; }
    .btn--green::after {
      background-color: #55c57a; }
  .btn::after {
    content: "";
    /* This is a required property even if it's set to empty "" */
    width: 100%;
    height: 100%;
    display: inline-block;
    border-radius: 10rem;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    transition: all 0.4s; }
  .btn--animated {
    animation: moveInBottom 0.5s ease-out 0.75s;
    /* set delay .75s for other animation to finish first */
    animation-fill-mode: backwards;
    /* apply the style of keyframe's starting animation (0%) before the animation starts */ }

.btn-text:link, .btn-text:visited {
  font-size: 1.6rem;
  color: #55c57a;
  display: inline-block;
  text-decoration: none;
  border-bottom: 1px solid #55c57a;
  padding: 3px;
  transition: all 0.2s; }

.btn-text:hover {
  background-color: #55c57a;
  color: #fff;
  box-shadow: 0 1rem 2rem rgba(51, 51, 51, 0.15);
  transform: translateY(-2px); }

.btn-text:active {
  box-shadow: 0 0.5rem 2rem rgba(51, 51, 51, 0.15);
  transform: translateY(0); }

.composition {
  position: relative;
  height: 5rem; }
  .composition__photo {
    width: 55%;
    box-shadow: 0 1.5rem 4rem rgba(51, 51, 51, 0.4);
    border-radius: 2px;
    z-index: 10;
    position: absolute;
    transition: all 0.2s;
    outline-offset: 2rem; }
    @media (max-width: 56.25em) {
      .composition__photo {
        float: left;
        position: relative;
        width: 33.333333%; } }
    .composition__photo--p1 {
      left: 0;
      top: -2rem; }
      @media (max-width: 56.25em) {
        .composition__photo--p1 {
          top: 0;
          transform: scale(1.2); } }
    .composition__photo--p2 {
      right: 0;
      top: -2rem; }
      @media (max-width: 56.25em) {
        .composition__photo--p2 {
          top: -1rem;
          transform: scale(1.3);
          z-index: 100; } }
    .composition__photo--p3 {
      left: 20%;
      top: 10rem; }
      @media (max-width: 56.25em) {
        .composition__photo--p3 {
          top: 1rem;
          left: 0;
          transform: scale(1.1); } }
    .composition__photo:hover {
      outline: 1.5rem solid #55c57a;
      transform: scale(1.05) translateY(-0.5rem);
      box-shadow: 0 2.5rem 4rem rgba(51, 51, 51, 0.5);
      z-index: 20; }
  .composition:hover .composition__photo:not(:hover) {
    transform: scale(0.9); }

.feature-box {
  background-color: rgba(255, 255, 255, 0.8);
  height: 30rem;
  font-size: 1.5rem;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 1.5rem 4rem rgba(51, 51, 51, 0.15);
  transition: transform 0.2s; }
  .feature-box ul {
    list-style: square; }
  .feature-box .task__box {
    text-align: left;
    transform: translateX(45%);
    width: 65%; }
  @media (max-width: 56.25em) {
    .feature-box {
      padding: 2rem; } }
  .feature-box__icon {
    font-size: 6rem;
    margin-bottom: 0.5rem;
    display: inline-block;
    background-image: linear-gradient(to right, #7ed56f, #28b485);
    -webkit-background-clip: text;
    color: transparent; }
    @media (max-width: 56.25em) {
      .feature-box__icon {
        margin-bottom: 0; } }
  .feature-box:hover {
    transform: translateY(-1.5rem) scale(1.03); }

.card {
  /* This makes card rotation move toward the user
     The perspective must set at the parent (card) of the element that rotates (card__side) */
  perspective: 150rem;
  -moz-perspective: 150rem;
  position: relative;
  height: 64rem;
  /* When we hover over the parent el.(card):
   - Select the child/grand child el.(card__side--front) and rotate it 180deg
   - Select the child/grand child el.(card__side--back) and rotate it back to 0deg
  */ }
  .card__side {
    height: 64rem;
    transition: transform 0.8s ease;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    backface-visibility: hidden;
    border-radius: 3px;
    box-shadow: 0 1.5rem 4rem rgba(51, 51, 51, 0.3);
    overflow: hidden; }
    .card__side--front {
      background-color: white; }
    .card__side--back {
      transform: rotateY(180deg);
      background-image: linear-gradient(to right bottom, #7ed56f, #28b485); }
  .card:hover .card__side--front {
    transform: rotateY(-180deg); }
  .card:hover .card__side--back {
    transform: rotateY(0); }
  .card__picture {
    height: 28rem;
    margin-top: -1.8rem;
    -webkit-clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    border-top-left-radius: 3px;
    border-top-right-radius: 3px; }
    .card__picture img {
      width: 100%; }
  .card__heading {
    font-size: 2.8rem;
    font-weight: 300;
    text-transform: uppercase;
    color: #fff;
    text-align: right;
    position: absolute;
    top: 15rem;
    right: 2rem;
    width: 75%; }
  .card__heading-span {
    padding: 1rem 1.5rem;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
    background-image: linear-gradient(to right bottom, #333333, rgba(51, 51, 51, 0.85)); }
  .card__details {
    padding: 1.5rem; }
    .card__details ul {
      list-style: none;
      width: 80%;
      margin: 0 auto; }
      .card__details ul li {
        padding: 0.5rem 1rem;
        text-align: center;
        font-size: 1.5rem; }
        .card__details ul li:not(:last-child) {
          border-bottom: 1px solid #eee; }
  .card__description {
    height: 4rem;
    margin-bottom: 6rem; }
  .card__cta {
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    width: 95%; }
  @media (max-width: 56.25em) {
    .card {
      height: auto;
      border-radius: 3px;
      background-color: #fff;
      box-shadow: 0 1.5rem 4rem rgba(51, 51, 51, 0.15);
      overflow: hidden; }
      .card__side {
        height: auto;
        position: relative;
        box-shadow: none;
        border-radius: 0; }
        .card__side--back {
          transform: rotateY(0);
          -webkit-clip-path: polygon(0 15%, 100% 0, 100% 100%, 0 100%);
          clip-path: polygon(0 15%, 100% 0, 100% 100%, 0 100%); }
      .card:hover .card__side--front {
        transform: rotateY(0); }
      .card--front {
        background-color: white; }
      .card__details {
        padding: 1rem 3rem; }
      .card__cta {
        position: relative;
        top: 0;
        left: 0;
        transform: translate(0);
        width: 100%;
        padding: 7rem 4rem 4rem 4rem; } }

.bg-video {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden; }
  .bg-video__content {
    width: 100%;
    height: 100%;
    opacity: 0.15;
    object-fit: cover; }

.form__group:not(:last-child) {
  margin-bottom: 0; }

.form__input {
  font-size: 1.5rem;
  font-family: inherit;
  color: inherit;
  padding: 1.2rem 1.8rem;
  border: none;
  border-radius: 2px;
  background-color: rbga(#fff, 0.5);
  border-bottom: 3px solid transparent;
  width: 90%;
  display: block;
  transition: all 0.3s; }
  @media (max-width: 56.25em) {
    .form__input {
      width: 100%; } }
  .form__input:focus {
    outline: none;
    box-shadow: 0 1rem 2rem rgba(51, 51, 51, 0.1);
    border-bottom: 3px solid #55c57a; }
  .form__input:focus:invalid {
    border-bottom: 3px solid #ff7730; }
  .form__input::-webkit-input-placeholder {
    color: #999; }

.form__label {
  display: block;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-left: 2rem;
  margin-bottom: 0.7rem;
  transition: all 0.2s; }

.form__input:placeholder-shown + .form__label {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4rem); }

.tool {
  margin: 0 auto;
  border-radius: 3px;
  overflow: hidden;
  display: table;
  background-color: #333; }
  @media (max-width: 56.25em) {
    .tool {
      display: block; } }
  .tool__detail {
    width: 34rem;
    display: table-cell;
    text-align: center;
    padding-top: 6rem;
    padding-left: 6rem;
    position: relative; }
    @media (max-width: 56.25em) {
      .tool__detail {
        width: 100%;
        display: block;
        padding: 2rem; } }
    .tool__detail h3 {
      font-size: 3rem;
      color: #fff;
      text-shadow: 0 4px 8px #28b485;
      border-bottom: 0.2rem solid #fff;
      margin-bottom: 1.5rem; }
    .tool__detail p,
    .tool__detail h4 {
      font-size: 1.6rem; }
    .tool__detail p {
      color: #fff; }
    .tool__detail h4 {
      color: #7ed56f;
      text-shadow: 0 4px 8px #f7f7f7;
      position: absolute;
      top: 44rem;
      right: 0.5rem; }
    .tool__detail-box {
      height: 48rem;
      border: 0.5rem solid #999;
      border-radius: 5px;
      position: relative;
      padding: 18.5rem 1rem; }
  .tool__logo-box {
    width: 16rem;
    height: 16rem;
    border: 0.5rem solid green;
    border-radius: 50%;
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 3px 3px 6px #53be61, 3px -3px 6px #c1dac4, -3px -3px 6px #778642, -3px 3px 6px #006eff; }
    .tool__logo-box img {
      width: 10rem;
      transform: translateY(2.5rem); }
      .tool__logo-box img[alt="git"] {
        transform: translate(0, 3rem) scale(2); }
  .tool__logo {
    width: 100%;
    border-radius: 3px; }
  .tool__box {
    width: 60rem;
    height: 60rem;
    display: table-cell;
    padding: 3rem;
    position: relative; }
    @media (max-width: 56.25em) {
      .tool__box {
        display: block;
        width: 100%; } }
  .tool__wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: max-content; }
    .tool__wrapper-row {
      transition: all 0.2s; }
      .tool__wrapper-row::after {
        content: "";
        display: table;
        clear: both; }
      .tool__wrapper-row:hover ~ div {
        transform: translateY(3.8rem); }
  .tool div[class^="tool-"] {
    width: 12rem;
    height: 12rem;
    border: 0.5rem solid green;
    border-radius: 50%;
    float: left;
    cursor: pointer;
    transition: all 0.2s;
    position: relative; }
    .tool div[class^="tool-"]:not(:last-child) {
      margin-right: 1px; }
    .tool div[class^="tool-"] img {
      width: 8rem;
      position: absolute;
      top: 1.5rem;
      left: 1.5rem; }
      .tool div[class^="tool-"] img[alt="aws"] {
        top: 2.8rem; }
      .tool div[class^="tool-"] img[alt="git"] {
        top: 2.3rem;
        transform: scale(2); }
      .tool div[class^="tool-"] img[alt="jest"] {
        transform: scale(0.8); }
    .tool div[class^="tool-"]:hover {
      transform: scale(1.5);
      background-color: #333333;
      box-shadow: 3px 3px 6px #53be61, 3px -3px 6px #c1dac4, -3px -3px 6px #778642, -3px 3px 6px #006eff; }
    .tool div[class^="tool-"]:hover ~ div {
      transform: translateX(3.8rem); }

.popup {
  height: 100vh;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background-color: rgba(51, 51, 51, 0.8);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s; }
  .popup__content {
    width: 75%;
    background-color: #fff;
    border-radius: 3px;
    box-shadow: 0 2rem 4rem rgba(51, 51, 51, 0.5);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: table;
    overflow: hidden;
    transform: translate(-50%, -50%) scale(0.5);
    transition: all 0.9s 0.2s; }
    @media (max-width: 56.25em) {
      .popup__content {
        width: 90%; } }
    @media (max-width: 37.5em) {
      .popup__content {
        display: inline-block; } }
  .popup__left {
    width: 33.33333%;
    display: table-cell; }
    @media (max-width: 37.5em) {
      .popup__left {
        display: block;
        width: 100%;
        height: 14rem;
        position: relative;
        top: 5rem;
        margin-bottom: 2rem; } }
  @media (max-width: 37.5em) {
    .popup__img-box {
      height: 10rem;
      width: 50%;
      float: left;
      overflow: hidden; } }
  .popup__img-box img {
    width: 100%; }
    @media (max-width: 37.5em) {
      .popup__img-box img {
        transform: translateY(-25%); } }
  .popup__right {
    width: 66.66667%;
    display: table-cell;
    vertical-align: middle;
    padding: 3rem 5rem; }
    @media (max-width: 37.5em) {
      .popup__right {
        width: 100%;
        position: relative; }
        .popup__right :last-child,
        .popup__right h2,
        .popup__right h3 {
          display: block;
          text-align: center; } }
  .popup__text {
    font-size: 1.4rem;
    margin-bottom: 4rem;
    -moz-column-count: 2;
    -moz-column-gap: 4rem;
    -moz-column-rule: 1px solid #999;
    column-count: 2;
    column-gap: 4rem;
    column-rule: 1px solid #999;
    -moz-hyphens: auto;
    -ms-hyphens: auto;
    -webkit-hyphens: auto;
    hyphens: auto; }
    @media (max-width: 37.5em) {
      .popup__text {
        -moz-column-count: 1;
        column-count: 1; } }
  .popup:target {
    opacity: 1;
    visibility: visible; }
  .popup:target .popup__content {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1); }
  .popup__close:link, .popup__close:active {
    color: #999;
    position: absolute;
    top: 2.5rem;
    right: 2.5rem;
    font-size: 3rem;
    line-height: 0.5;
    text-decoration: none;
    display: inline-block; }
    @media (max-width: 37.5em) {
      .popup__close:link, .popup__close:active {
        top: -15rem;
        right: 1rem; } }
  .popup__close:hover {
    color: #55c57a; }

.logo {
  height: 12rem;
  width: 12rem;
  border-radius: 100%;
  text-align: center;
  line-height: 1.8;
  box-shadow: 3px 3px 6px #7ed56f, 3px -3px 6px #ffb900, -3px -3px 6px #ff7730, -3px 3px 6px #777;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  perspective: 150rem; }
  @media (min-width: 112.5em) {
    .logo {
      height: 13rem;
      width: 13rem; } }
  .logo--white {
    color: #fff;
    border: 5px solid #fff; }
  .logo--green {
    color: #7ed56f;
    border: 5px solid #28b485; }
  .logo__icon--white {
    font-size: 3rem;
    display: inline-block;
    color: #fff;
    margin-bottom: -1.5rem;
    animation: rotate 3s linear infinite; }
    @media (min-width: 112.5em) {
      .logo__icon--white {
        font-size: 5rem;
        margin-top: -1rem;
        margin-bottom: -2rem; } }
  .logo__icon--green {
    font-size: 3rem;
    display: inline-block;
    color: #7ed56f;
    margin-bottom: -1.5rem;
    animation: rotate 3s linear infinite; }
    @media (min-width: 112.5em) {
      .logo__icon--green {
        font-size: 5rem;
        margin-top: -1rem;
        margin-bottom: -2rem; } }
  .logo__coding-symbol {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.1rem; }
    @media (min-width: 112.5em) {
      .logo__coding-symbol {
        font-size: 2.5rem; } }
  .logo__name {
    font-family: "Lobster", cursive;
    font-size: 1.7rem;
    letter-spacing: 0.05rem;
    margin-bottom: -0.5rem; }
    @media (min-width: 112.5em) {
      .logo__name {
        font-size: 1.8rem;
        margin-bottom: -1rem; } }

.backdrop {
  height: 100vh;
  width: 100vw;
  background-image: linear-gradient(rgba(51, 51, 51, 0.8), rgba(51, 51, 51, 0.8));
  position: relative;
  transform: scaleY(160) scaleX(2);
  z-index: 99998;
  display: none; }
  .backdrop--close {
    display: none; }
  .backdrop--open {
    display: inline-block; }

.messagebox {
  display: none;
  background-color: #fff;
  z-index: 99999;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); }
  .messagebox__message {
    background-color: #f7f7f7;
    padding: 4rem; }
  .messagebox__close-button {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer; }
  .messagebox--close {
    display: none; }
  .messagebox--open {
    display: inline-block; }

.header {
  height: 95vh;
  background-image: linear-gradient(to right bottom, rgba(40, 180, 133, 0.9), rgba(126, 213, 111, 0.9)), url("../images/hero-large.jpg");
  background-size: cover;
  background-position: top;
  position: relative;
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 75vh, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% 75vh, 0 100%); }
  @media (max-width: 37.5em) {
    .header {
      -webkit-clip-path: polygon(0 0, 100% 0, 100% 85vh, 0 100%);
      clip-path: polygon(0 0, 100% 0, 100% 85vh, 0 100%); } }
  .header__logo-box {
    position: absolute;
    top: 9rem;
    left: 9rem; }
  .header__text-box {
    width: 100%;
    position: absolute;
    text-align: center;
    top: 40%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%); }

.row {
  max-width: 114rem;
  margin: 0 auto; }
  @media (max-width: 56.25em) {
    .row {
      max-width: 50rem;
      padding: 0 2rem; } }
  .row:not(:last-child) {
    margin-bottom: 8rem; }
    @media (max-width: 56.25em) {
      .row:not(:last-child) {
        margin-bottom: 6rem; } }
  .row::after {
    content: "";
    display: table;
    clear: both; }
  .row [class^="col-"] {
    float: left; }
    .row [class^="col-"]:not(:last-child) {
      margin-right: 6rem; }
      @media (max-width: 56.25em) {
        .row [class^="col-"]:not(:last-child) {
          margin-right: 0;
          margin-bottom: 6rem; } }
    @media (max-width: 56.25em) {
      .row [class^="col-"] {
        width: 100% !important; } }
  .row .col-1-of-2 {
    width: calc((100% - 6rem) / 2); }
  .row .col-1-of-3 {
    width: calc((100% - 2 * 6rem) / 3); }
  .row .col-1-of-4 {
    width: calc((100% - 3 * 6rem) / 4); }
  .row .col-2-of-3 {
    width: calc( 2 * ((100% - 2 * 6rem) / 3) + 6rem); }
  .row .col-2-of-4 {
    width: calc( 2 * ((100% - 3 * 6rem) / 4) + 6rem); }
  .row .col-3-of-4 {
    width: calc( 3 * ((100% - 3 * 6rem) / 4) + 2 * 6rem); }

.footer {
  background-color: #333;
  padding: 10rem 0;
  font-size: 1.4rem;
  color: #f7f7f7; }
  @media (max-width: 56.25em) {
    .footer {
      padding: 8rem 0; } }
  .footer__logo-box {
    position: relative;
    margin-bottom: 10rem;
    padding-bottom: 8rem; }
    @media (max-width: 56.25em) {
      .footer__logo-box {
        margin-bottom: 6rem; } }
  .footer__logo {
    width: 15rem;
    height: auto; }
  .footer__navigation {
    border-top: 1px solid #777;
    padding-top: 2rem;
    display: inline-block; }
    @media (max-width: 56.25em) {
      .footer__navigation {
        width: 100%;
        text-align: center; } }
  .footer__list {
    list-style: none; }
  .footer__item {
    display: inline-block; }
    .footer__item:not(:last-child) {
      margin-right: 1.5rem; }
  .footer__link:link, .footer__link:visited {
    color: #f7f7f7;
    background-color: #333;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s; }
  .footer__link:hover, .footer__link:active {
    color: #55c57a;
    box-shadow: 0 1rem 2rem rgba(51, 51, 51, 0.4);
    transform: rotate(5deg) scale(1.3); }
  .footer__copyright {
    border-top: 1px solid #777;
    padding-top: 2rem;
    width: 80%;
    float: right; }
    @media (max-width: 56.25em) {
      .footer__copyright {
        width: 100%;
        text-align: center;
        float: none; } }

.navigation__checkbox {
  display: none; }

.navigation__button {
  background-color: #fff;
  height: 7rem;
  width: 7rem;
  border-radius: 50%;
  position: fixed;
  top: 6rem;
  right: 6rem;
  z-index: 2000;
  box-shadow: 0 1rem 2rem rgba(51, 51, 51, 0.2);
  cursor: pointer;
  text-align: center; }
  @media (max-width: 56.25em) {
    .navigation__button {
      top: 4rem;
      right: 4rem; } }

.navigation__background {
  height: 6rem;
  width: 6rem;
  border-radius: 50%;
  position: fixed;
  top: 6.5rem;
  right: 6.5rem;
  background-image: radial-gradient(#7ed56f, #28b485);
  z-index: 1000;
  transition: transform 0.6s; }
  @media (max-width: 56.25em) {
    .navigation__background {
      top: 4.5rem;
      right: 4.5rem; } }

.navigation--hide {
  width: 0;
  opacity: 0;
  left: -100rem; }

.navigation__nav {
  height: 100vh;
  position: fixed;
  top: 0;
  z-index: 1500;
  width: 0;
  opacity: 0;
  left: -100rem;
  transition: all 0.6s cubic-bezier(0.83, 0, 0.17, 1); }

.navigation__list {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  list-style: none;
  text-align: center;
  width: 100%; }

.navigation__item {
  margin: 1rem; }

.navigation__link:link, .navigation__link:visited {
  display: inline-block;
  font-size: 3rem;
  font-weight: 300;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  background-image: linear-gradient(120deg, transparent 0%, transparent 0%, 50%, #fff 50%);
  padding: 1rem 2rem;
  background-size: 230%;
  transition: all 0.3s; }
  .navigation__link:link span, .navigation__link:visited span {
    margin-right: 1.5rem;
    display: inline-block; }

.navigation__link:hover, .navigation__link:active {
  background-position: 100%;
  color: #55c57a;
  transform: translateX(1rem); }

.navigation__checkbox:checked ~ .navigation__background {
  transform: scale(80); }

.navigation__checkbox:checked ~ .navigation__nav {
  width: 100%;
  opacity: 1;
  left: 0; }

.navigation__icon {
  position: relative;
  margin-top: 3.5rem; }
  .navigation__icon, .navigation__icon::before, .navigation__icon::after {
    width: 3rem;
    height: 2px;
    background-color: #333;
    display: inline-block; }
  .navigation__icon::before, .navigation__icon::after {
    content: "";
    position: absolute;
    left: 0;
    transition: all 0.3s; }
  .navigation__icon::before {
    top: -0.8rem; }
  .navigation__icon::after {
    top: 0.8rem; }

.navigation__button:hover .navigation__icon::before {
  top: -1rem; }

.navigation__button:hover .navigation__icon::after {
  top: 1rem; }

.navigation__checkbox:checked + .navigation__button .navigation__icon {
  background-color: transparent; }

.navigation__checkbox:checked + .navigation__button .navigation__icon::before {
  top: 0;
  transform: rotate(135deg); }

.navigation__checkbox:checked + .navigation__button .navigation__icon::after {
  top: 0;
  transform: rotate(-135deg); }

.section-about {
  background-color: #f7f7f7;
  padding: 25rem 0;
  margin-top: -20vh; }
  @media (max-width: 56.25em) {
    .section-about {
      padding: 20rem 0; } }
  @media (max-width: 37.5em) {
    .section-about {
      padding: 30rem 0; } }

.section-features {
  padding: 12rem 0rem 15rem 0rem;
  background-image: linear-gradient(to right bottom, rgba(126, 213, 111, 0.8), rgba(40, 180, 133, 0.8)), url("../images/feature-bg-large.jpg");
  background-size: cover;
  transform: skewY(-7deg);
  margin-top: -10rem; }
  @media (max-width: 56.25em) {
    .section-features {
      padding: 10rem 0; } }
  .section-features > * {
    transform: skewY(7deg); }

.section-projects {
  background-color: #f7f7f7;
  padding: 25rem 0 15rem 0;
  margin-top: -10rem; }
  @media (max-width: 56.25em) {
    .section-projects {
      padding: 20rem 0 10rem 0; } }

.section-toolbox {
  padding: 15rem 0;
  position: relative; }
  @media (max-width: 56.25em) {
    .section-toolbox {
      padding: 10rem 0; } }

.section-book {
  padding: 15rem 0;
  background-image: linear-gradient(to right bottom, #7ed56f, #28b485); }
  @media (max-width: 56.25em) {
    .section-book {
      padding: 10rem 0; } }

.book {
  background-image: linear-gradient(105deg, rgba(51, 51, 51, 0.8) 0%, rgba(51, 51, 51, 0.5) 50%, transparent 50%), url("../images/agreement-small.jpg");
  background-size: 100%;
  border-radius: 3px;
  box-shadow: 0 1rem 2rem rgba(51, 51, 51, 0.5); }
  @media (max-width: 75em) {
    .book {
      background-image: linear-gradient(105deg, rgba(51, 51, 51, 0.8) 0%, rgba(51, 51, 51, 0.5) 65%, transparent 65%), url("../images/agreement-small.jpg");
      background-size: cover; } }
  @media (max-width: 56.25em) {
    .book {
      background-image: linear-gradient(to right, rgba(51, 51, 51, 0.8) 0%, rgba(51, 51, 51, 0.8) 100%), url("../images/nat-10.jpg"); } }
  .book__form {
    width: 50%;
    padding: 3rem 4rem 3rem 4rem; }
    @media (max-width: 75em) {
      .book__form {
        width: 65%; } }
    @media (max-width: 56.25em) {
      .book__form {
        width: 100%; } }