@import url("https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400i,700,700i&display=swap");
@font-face {
  font-family: 'Harding';
  src: url(https://www.nature.com/static/fonts/HardingText-Regular-Web.b167e675dc.woff2) format("woff2"), url(https://www.nature.com/static/fonts/HardingText-Regular-Web.62711b6c07.woff) format("woff");
  font-display: fallback; }

@font-face {
  font-family: 'Harding';
  src: url(https://www.nature.com/static/fonts/HardingText-Bold-Web.72203f58c0.woff2) format("woff2"), url(https://www.nature.com/static/fonts/HardingText-Bold-Web.d102a21e4f.woff) format("woff");
  font-display: swap;
  font-weight: 700; }

@font-face {
  font-family: 'Harding';
  src: url(https://www.nature.com/static/fonts/HardingText-RegularItalic-Web.a3136343af.woff2) format("woff2"), url(https://www.nature.com/static/fonts/HardingText-RegularItalic-Web.3cd6cb26e4.woff) format("woff");
  font-display: swap;
  font-style: italic; }

@font-face {
  font-family: 'Harding';
  src: url(https://www.nature.com/static/fonts/HardingText-BoldItalic-Web.fe6dc3019e.woff2) format("woff2"), url(https://www.nature.com/static/fonts/HardingText-BoldItalic-Web.6db8bc0375.woff) format("woff");
  font-display: swap;
  font-weight: 700;
  font-style: italic; }

*,
*:before,
*:after {
  box-sizing: border-box; }

body {
  font-family: Harding, Palatino, Times, "Times New Roman", serif;
  font-size: 17px;
  margin: 0;
  color: #333;
  background-color: #eee;
  -webkit-font-smoothing: antialiased; }

h1,
h2,
h3 {
  font-weight: 700; }

p {
  font-size: 1.1rem;
  line-height: 1.6rem;
  margin: 0 0 1.3rem 0; }

a {
  text-decoration: none;
  color: #069; }
  a:hover {
    text-decoration: underline; }

figcaption,
p.credit {
  font-family: "Source Sans Pro", arial, helvetica, sans-serif;
  font-size: .9rem;
  font-style: normal;
  line-height: 1.2em; }

p.credit {
  margin: 0 0 .6em; }

address {
  display: inline; }

sup, sub {
  vertical-align: baseline;
  position: relative;
  top: -0.4em; }

sub {
  top: 0.4em; }

.visually-hidden {
  position: absolute !important;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  width: 1px;
  height: 1px;
  margin: -1px !important;
  padding: 0 !important;
  opacity: 0;
  border: 0 !important; }

a:focus,
button:focus {
  outline: 3px solid #fece3e; }

.article-container {
  overflow-x: hidden; }

.main-header {
  font-family: "Source Sans Pro", arial, helvetica, sans-serif;
  font-size: .9rem;
  width: 100%;
  max-width: 100%;
  padding: 10px;
  background-color: #29303c; }
  .main-header a {
    text-decoration: none;
    color: #fff;
    fill: #fff; }
    .main-header a:hover {
      color: #ccc;
      fill: #ccc; }
  @media screen and (min-width: 1000px) {
    @supports not (-webkit-overflow-scrolling: touch) {
      .main-header {
        font-size: 1rem;
        position: absolute;
        z-index: 100;
        top: 0;
        left: 0;
        background-color: rgba(0, 0, 0, 0.4); } } }

.main-header__list {
  padding: 0;
  list-style: none;
  text-align: center; }
  @supports (display: grid) {
    .main-header__list {
      display: grid;
      margin: 0;
      padding: 5px 0;
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: 30px; } }
  @media screen and (min-width: 560px) {
    .main-header__list {
      grid-template-columns: 130px 20% auto 20% 130px; } }

.main-header__list__item {
  display: inline-block;
  padding: 20px; }
  @supports (display: grid) {
    .main-header__list__item {
      padding: 0; }
      .main-header__list__item--home-page {
        display: -webkit-box;
        display: flex; }
      .main-header__list__item--current-issue {
        display: -webkit-box;
        display: flex;
        -webkit-box-pack: end;
                justify-content: flex-end;
        -webkit-box-align: center;
                align-items: center; }
        @media screen and (min-width: 560px) {
          .main-header__list__item--current-issue {
            -webkit-box-pack: start;
                    justify-content: flex-start; } }
      .main-header__list__item--pdf {
        display: none; }
        .main-header__list__item--pdf span {
          margin: 0 0 0 6px; }
        .main-header__list__item--pdf a {
          display: -webkit-box;
          display: flex;
          -webkit-box-align: center;
                  align-items: center; }
        @media screen and (min-width: 560px) {
          .main-header__list__item--pdf {
            display: -webkit-box;
            display: flex;
            -webkit-box-pack: end;
                    justify-content: flex-end;
            grid-column: 4 / 5;
            grid-row: 1 / 2; } }
      .main-header__list__item--social {
        display: none; }
        @media screen and (min-width: 560px) {
          .main-header__list__item--social {
            display: -webkit-box;
            display: flex;
            -webkit-box-pack: end;
                    justify-content: flex-end;
            grid-column: 5 / 6;
            grid-row: 1 / 2; } } }

.main-header__social-list {
  margin: 0;
  padding: 0; }

.main-header__social-list__item {
  display: inline-block;
  box-sizing: unset;
  width: 30px;
  height: 30px;
  margin: 0 0 0 4px;
  padding: 0;
  border: 1px solid #ececec;
  border-radius: 50%; }
  .main-header__social-list__item:hover {
    border: 1px solid #ccc; }

.full-width-media {
  position: relative; }
  .full-width-media figure {
    margin: 0; }
  .full-width-media img, .full-width-media video {
    width: 100%;
    height: 100%; }

.fullscreen-media--video__video {
  display: inline-block;
  opacity: 1;
  top: 50%;
  left: 50%;
  position: absolute;
  z-index: -10;
  -o-object-fit: cover;
     object-fit: cover; }

.fullscreen-media--video__button {
  font-size: .8em;
  font-weight: 800;
  position: absolute;
  right: 10px;
  bottom: 15px;
  display: -webkit-box;
  display: flex;
  text-transform: uppercase;
  color: #fff;
  border: none;
  background: none;
  -webkit-box-align: center;
          align-items: center; }
  .fullscreen-media--video__button path {
    -webkit-transition: opacity 200ms linear;
    transition: opacity 200ms linear; }
  .fullscreen-media--video__button span {
    margin: auto; }
  .fullscreen-media--video__button path {
    fill: #fff; }

.fullscreen-media--video-dark-button .fullscreen-media--video__button {
  color: #333; }
  .fullscreen-media--video-dark-button .fullscreen-media--video__button path {
    fill: #333; }

.about-the-image-link {
  font-family: "Source Sans Pro", arial, helvetica, sans-serif;
  font-size: 0.9em;
  line-height: 1.2rem;
  color: #333;
  margin: 0.3rem 7.5% 1.3rem;
  width: 85%; }
  @media screen and (min-width: 1000px) {
    .about-the-image-link {
      margin: 0.3rem 0.5rem 1.3rem 0.5rem;
      width: auto; } }

.article-nav-natures-10 {
  font-family: "Source Sans Pro", arial, helvetica, sans-serif;
  margin-bottom: 2rem;
  z-index: 1000; }
  @media screen and (min-width: 1000px) {
    @supports ((position: -webkit-sticky) or (position: sticky)) {
      .article-nav-natures-10 {
        position: sticky;
        position: -webkit-sticky;
        top: 0;
        left: 0; } } }

.article-nav-natures-10__list {
  margin: 0;
  padding: 10px 0 40px 0;
  list-style: none;
  background-color: #29303c; }
  @media screen and (min-width: 560px) {
    .article-nav-natures-10__list {
      padding: 40px 7.5% 20px;
      -webkit-column-count: 3;
         -moz-column-count: 3;
              column-count: 3; } }
  @media screen and (min-width: 800px) {
    .article-nav-natures-10__list {
      -webkit-column-count: 4;
         -moz-column-count: 4;
              column-count: 4; } }
  @media screen and (min-width: 1000px) {
    @supports ((position: -webkit-sticky) or (position: sticky)) {
      .article-nav-natures-10__list {
        position: absolute;
        display: -webkit-box;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
                flex-direction: column;
        width: 65px;
        height: 100vh;
        padding: 0;
        -webkit-box-pack: initial;
                justify-content: initial; } } }

.article-nav-natures-10__list__item {
  position: relative;
  margin: 20px auto 0;
  width: 85%;
  padding: 0; }
  @media screen and (min-width: 560px) {
    .article-nav-natures-10__list__item {
      margin: 0 0 20px 0;
      display: inline-block;
      width: 100%; } }
  @media screen and (min-width: 1000px) {
    @supports ((position: -webkit-sticky) or (position: sticky)) {
      .article-nav-natures-10__list__item {
        display: -webkit-box;
        display: flex;
        padding: 0;
        -webkit-box-align: center;
                align-items: center;
        -webkit-box-flex: 1;
                flex-grow: 1;
        -webkit-box-pack: center;
                justify-content: center; } } }

.article-nav-natures-10__nested-list {
  margin: 0;
  padding: 0;
  list-style: none;
  -webkit-transition: left 0.15s;
  transition: left 0.15s; }
  @media screen and (min-width: 1000px) {
    @supports ((position: -webkit-sticky) or (position: sticky)) {
      .article-nav-natures-10__nested-list {
        position: absolute;
        top: 50%;
        left: -280px;
        display: -webkit-box;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
                flex-direction: column;
        width: -webkit-max-content;
        width: -moz-max-content;
        width: max-content;
        min-height: 100%;
        padding: 10px 0;
        -webkit-transform: translateY(-50%);
                transform: translateY(-50%);
        pointer-events: none;
        background-color: #29303c;
        -webkit-box-pack: center;
                justify-content: center; }
        @supports not ((width: -webkit-max-content) or (width: -moz-max-content) or (width: max-content)) {
          .article-nav-natures-10__nested-list {
            min-width: 280px; } }
        .article-nav-natures-10__nested-list:before {
          position: absolute;
          top: 40%;
          left: -7px;
          content: '';
          border-top: 8px solid transparent;
          border-right: 8px solid #29303c;
          border-bottom: 8px solid transparent;
          border-left: 0; } } }

@media screen and (min-width: 1000px) {
  .article-nav-natures-10__nested-list__item {
    width: -webkit-max-content;
    width: -moz-max-content;
    width: max-content;
    padding: 0 20px; } }

.article-nav-natures-10__nested-list__item--name {
  font-weight: 800; }

.article-nav-natures-10__link {
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
  color: #fff; }
  @media screen and (min-width: 1000px) {
    @supports ((position: -webkit-sticky) or (position: sticky)) {
      .article-nav-natures-10__link:hover .article-nav-natures-10__nested-list, .article-nav-natures-10__link:focus .article-nav-natures-10__nested-list {
        left: 75px; } } }

.article-nav-natures-10__icon {
  display: none;
  -webkit-transition: fill 0.3s;
  transition: fill 0.3s;
  fill: #ffffff; }
  @media screen and (min-width: 1000px) {
    @supports ((position: -webkit-sticky) or (position: sticky)) {
      .article-nav-natures-10__icon {
        display: inline; } } }

.heading {
  position: relative;
  width: 80%;
  margin: 60px auto;
  text-align: center; }
  @media screen and (min-width: 800px) {
    .heading {
      margin: 60px auto; } }
  .heading h1,
  .heading h2 {
    font-size: 2.4em;
    line-height: auto;
    letter-spacing: -0.04em;
    margin: 0 auto;
    padding: 0 0 20px; }
    @media screen and (min-width: 800px) {
      .heading h1,
      .heading h2 {
        font-size: 3.4em; } }
    @media screen and (min-width: 1000px) {
      .heading h1,
      .heading h2 {
        font-size: 4.5em; } }
  .heading p {
    font-size: 1.1em;
    font-weight: normal;
    font-style: normal;
    letter-spacing: 1px; }
    @media screen and (min-width: 800px) {
      .heading p {
        font-size: 1.2em; } }
    @media screen and (min-width: 1000px) {
      .heading p {
        font-size: 1.5em;
        line-height: 2rem; } }
  .heading .by-line {
    font-size: .8em;
    font-weight: 800;
    font-style: normal;
    margin: 0; }
    @media screen and (min-width: 1000px) {
      .heading .by-line {
        font-size: 1em; } }
  .heading .about {
    font-size: .8em;
    font-weight: 800;
    font-family: "Source Sans Pro", arial, helvetica, sans-serif;
    margin: 0; }
    @media screen and (min-width: 1000px) {
      .heading .about {
        font-size: 1em; } }

.text-section {
  width: 85%;
  margin: 0 auto; }
  .text-section h2 {
    font-size: 2rem; }
  .text-section--margin-top {
    margin-top: 60px; }
  .text-section--margin-bottom {
    margin-bottom: 60px; }
  @media screen and (min-width: 1000px) {
    .text-section {
      width: 45em; } }

.text-section__caption {
  width: 85%;
  margin: 0 auto; }

.text-section__first-para:first-letter {
  font-size: 86px;
  line-height: 62px;
  float: left;
  padding-top: 7px;
  padding-right: 8px;
  padding-left: 0;
  color: #444; }

.text-section--natures-10 {
  min-height: 100vh;
  margin-bottom: 100px;
  padding-bottom: 50px;
  border-bottom: 1px solid #666666; }
  @media screen and (min-width: 1000px) {
    .text-section--natures-10 {
      padding-bottom: 100px; } }

.text-section__natures-10-heading {
  position: relative;
  margin-bottom: 2rem;
  padding: 20px 0;
  background-color: #cccccc; }
  .text-section__natures-10-heading:before {
    position: absolute;
    top: 0;
    left: -100%;
    display: block;
    width: 100%;
    height: 100%;
    content: '';
    background: #cccccc; }
  .text-section__natures-10-heading:after {
    position: absolute;
    top: 0;
    right: -100%;
    display: block;
    width: 100%;
    height: 100%;
    content: '';
    background: #cccccc; }
  @media screen and (min-width: 1000px) {
    .text-section__natures-10-heading {
      margin-bottom: 4rem;
      padding: 50px 0; } }
  .text-section__natures-10-heading h2 {
    font-size: 1.8rem;
    margin: 0.6 0 0.8rem; }
    @media screen and (min-width: 800px) {
      .text-section__natures-10-heading h2 {
        font-size: 2rem; } }
  .text-section__natures-10-heading__about {
    font-style: italic;
    font-size: 1.2rem;
    line-height: 1.6rem; }
    @media screen and (min-width: 800px) {
      .text-section__natures-10-heading__about {
        font-size: 1.4rem;
        line-height: 1.8rem; } }
  .text-section__natures-10-heading__by-line {
    font-family: "Source Sans Pro", arial, helvetica, sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase; }

.text-section__natures-10-heading__heading__name {
  text-transform: uppercase; }

.text-section--ones-to-watch {
  margin-bottom: 100px;
  padding-bottom: 50px;
  border-bottom: 1px solid #666666; }
  @media screen and (min-width: 1000px) {
    .text-section--ones-to-watch {
      padding-bottom: 100px; } }
  .text-section--ones-to-watch h3 {
    margin-bottom: 0; }
  .text-section--ones-to-watch__about {
    font-style: italic;
    margin-bottom: 0.5rem; }
  .text-section--ones-to-watch__list {
    padding-left: 20px;
    list-style: disc; }

.text-section--footer {
  font-family: "Source Sans Pro", arial, helvetica, sans-serif;
  margin-bottom: 60px;
  padding-bottom: 100px; }
  .text-section--footer__sn-logo {
    width: 140px;
    margin: 0;
    fill: #4e4e4e; }
  .text-section--footer__copyright {
    font-size: .8rem;
    color: #666; }

.text-section--footer__list {
  list-style: none;
  padding: 0; }

.text-section--footer__list-item {
  display: block; }
  @media screen and (min-width: 800px) {
    .text-section--footer__list-item {
      display: inline-block;
      margin-right: 10px; } }

.text-section--briefing {
  margin-bottom: 100px;
  padding-bottom: 100px;
  border-bottom: 1px solid #000000; }
  .text-section--briefing__header {
    margin-bottom: 20px;
    padding: 12px 20px 5px;
    background-color: #000000; }
  .text-section--briefing__logo {
    fill: #ffffff; }
  .text-section--briefing__slogan {
    font-weight: 800; }
  .text-section--briefing__standfirst {
    font-family: "Source Sans Pro", arial, helvetica, sans-serif; }
  .text-section--briefing__link {
    font-family: "Source Sans Pro", arial, helvetica, sans-serif;
    font-weight: bold;
    float: right;
    padding: 10px 20px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #ffffff;
    border-radius: 20px;
    background-color: #069; }

.text-section__inline-social-icon-list {
  list-style: none;
  padding: 0;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: end;
          justify-content: flex-end; }
  .text-section__inline-social-icon-list__item {
    padding-left: 10px; }
    .text-section__inline-social-icon-list__item svg {
      fill: #999999;
      -webkit-transition: fill 0.3s;
      transition: fill 0.3s; }
    .text-section__inline-social-icon-list__item--facebook:hover svg {
      fill: #37589A; }
    .text-section__inline-social-icon-list__item--twitter:hover svg {
      fill: #39A9E0; }

.text-section__image {
  width: 117.6%;
  margin: 0 0 2rem -8.8%; }
  .text-section__image img {
    width: 100%;
    height: 100%; }

@media screen and (min-width: 560px) {
  .text-section__image--small-left {
    width: 50%;
    margin: 0 2rem 2rem 0;
    float: left; } }

@media screen and (min-width: 1400px) {
  .text-section__image--small-left {
    margin: 0 2rem 2rem -20%; } }

@media screen and (min-width: 560px) {
  .text-section__image--small-right {
    width: 50%;
    margin: 0 0 2rem 2rem;
    float: right; } }

@media screen and (min-width: 1400px) {
  .text-section__image--small-right {
    margin: 0 -20% 2rem 2rem; } }

/* Nature Color Palette */
.js-active-article.article-nav-natures-10__list__item:nth-child(1) .article-nav-natures-10__icon circle {
  fill: #fbba00; }

.text-section--natures-10:nth-child(1) > .text-section__first-para:first-letter {
  color: #fbba00; }

.js-active-article.article-nav-natures-10__list__item:nth-child(2) .article-nav-natures-10__icon circle {
  fill: #eb5b25; }

.text-section--natures-10:nth-child(2) > .text-section__first-para:first-letter {
  color: #eb5b25; }

.js-active-article.article-nav-natures-10__list__item:nth-child(3) .article-nav-natures-10__icon circle {
  fill: #e40428; }

.text-section--natures-10:nth-child(3) > .text-section__first-para:first-letter {
  color: #e40428; }

.js-active-article.article-nav-natures-10__list__item:nth-child(4) .article-nav-natures-10__icon circle {
  fill: #c82285; }

.text-section--natures-10:nth-child(4) > .text-section__first-para:first-letter {
  color: #c82285; }

.js-active-article.article-nav-natures-10__list__item:nth-child(5) .article-nav-natures-10__icon circle {
  fill: #6c4796; }

.text-section--natures-10:nth-child(5) > .text-section__first-para:first-letter {
  color: #6c4796; }

.js-active-article.article-nav-natures-10__list__item:nth-child(6) .article-nav-natures-10__icon circle {
  fill: #1951a0; }

.text-section--natures-10:nth-child(6) > .text-section__first-para:first-letter {
  color: #1951a0; }

.js-active-article.article-nav-natures-10__list__item:nth-child(7) .article-nav-natures-10__icon circle {
  fill: #0085c8; }

.text-section--natures-10:nth-child(7) > .text-section__first-para:first-letter {
  color: #0085c8; }

.js-active-article.article-nav-natures-10__list__item:nth-child(8) .article-nav-natures-10__icon circle {
  fill: #0094a4; }

.text-section--natures-10:nth-child(8) > .text-section__first-para:first-letter {
  color: #0094a4; }

.js-active-article.article-nav-natures-10__list__item:nth-child(9) .article-nav-natures-10__icon circle {
  fill: #229863; }

.text-section--natures-10:nth-child(9) > .text-section__first-para:first-letter {
  color: #229863; }

.js-active-article.article-nav-natures-10__list__item:nth-child(10) .article-nav-natures-10__icon circle {
  fill: #c7d530; }

.text-section--natures-10:nth-child(10) > .text-section__first-para:first-letter {
  color: #c7d530; }

.article-nav-natures-10__list__item .article-nav-natures-10__icon > svg {
  -webkit-transition: -webkit-transform 0.3s;
  transition: -webkit-transform 0.3s;
  transition: transform 0.3s;
  transition: transform 0.3s, -webkit-transform 0.3s; }

.article-nav-natures-10__list__item.js-active-article .article-nav-natures-10__icon > svg {
  -webkit-transform: scale(1.5);
          transform: scale(1.5); }