* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.5 Arial, Helvetica, sans-serif; letter-spacing: 0; }
h1,h2,h3,p,figure { margin: 0; }
h1,h2,h3 { line-height: 1.12; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 5px; }
button,input,select { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible { outline: 3px solid #ef3d5d; outline-offset: 4px; }
.round-nav { height: 42px; display: flex; justify-content: space-between; align-items: center; padding: 0 26px; background: #f0f1f2; color: #3d4440; font-size: 12px; }
.round-nav a { text-decoration: none; padding: 4px 8px; }
.round-nav > a { font-weight: bold; }
.round-nav nav { display: flex; gap: 5px; }
.round-nav [aria-current] { background: white; border-radius: 3px; color: #111; }

/* Directory: the publication index is the primary surface. */
.directory { background: #fafbfc; color: #242c35; }
.directory-shell { min-height: calc(100vh - 42px); display: grid; grid-template-columns: 270px minmax(0,1fr); }
.directory-sidebar { border-right: 1px solid #dce1e7; background: #fff; padding: 42px 30px 26px; display: flex; flex-direction: column; align-items: start; }
.index-label { font: 12px/1.5 'Courier New',monospace; text-transform: uppercase; color: #66727e; }
.directory-sidebar h1 { font-size: 42px; font-weight: 500; margin-top: 20px; }
.directory-role { color: #687481; margin-top: 12px; font-size: 14px; }
.directory-tabs { display: flex; flex-direction: column; width: calc(100% + 16px); gap: 4px; margin: 38px -8px 32px; }
.directory-tabs button { display: flex; justify-content: space-between; text-align: left; color: #63707d; font-size: 14px; padding: 12px 12px; background: transparent; border: 0; border-radius: 3px; }
.directory-tabs button span { font: 12px/1.7 'Courier New',monospace; }
.directory-tabs button[aria-selected="true"] { background: #e9f0ff; color: #1c51b8; font-weight: 600; }
.directory-photo { margin-top: auto; width: 100%; }
.directory-photo img { width: 100%; aspect-ratio: 1.65; object-fit: cover; }
.directory-photo figcaption { font-size: 11px; color: #687481; margin-top: 9px; }
.directory-external { display: flex; flex-direction: column; gap: 9px; font-size: 12px; margin-top: 24px; }
.directory-main { min-width: 0; padding: 43px 44px 24px; display: flex; flex-direction: column; }
.directory-view { flex: 1; }
.directory-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 31px; }
.directory-main h2 { font-size: 33px; font-weight: 500; margin-top: 13px; }
.directory-heading > a { font-size: 13px; color: #1b53ba; flex-shrink: 0; }
.directory-search { display: grid; grid-template-columns: minmax(0,1fr) 180px; gap: 8px 18px; padding: 22px 0; border-top: 1px solid #dce1e7; border-bottom: 1px solid #dce1e7; }
.directory-search > label { grid-column: 1; font-size: 12px; color: #67717c; }
.directory-search input { grid-column: 1; grid-row: 2; width: 100%; border: 1px solid #cbd3dc; background: #fff; border-radius: 4px; padding: 11px 13px; font-size: 14px; }
.directory-search .topic-select { grid-column: 2; grid-row: 1 / 3; display: flex; flex-direction: column; justify-content: space-between; gap: 8px; }
.topic-select select { width: 100%; border: 1px solid #cbd3dc; border-radius: 4px; background: #fff; padding: 11px 10px; color: #303b48; font-size: 14px; height: 45px; }
.directory-results { display: flex; justify-content: space-between; margin: 22px 0 18px; color: #65717d; font-size: 12px; }
.table-head,.directory-paper { display: grid; grid-template-columns: 50px minmax(0,1fr) 112px 55px; gap: 20px; }
.table-head { border-bottom: 1px solid #c7d0db; padding-bottom: 12px; text-transform: uppercase; font: 11px/1.5 'Courier New',monospace; color: #67717b; }
.directory-paper { padding: 24px 0; border-bottom: 1px solid #dce1e7; }
.directory-year { font: 13px/1.5 'Courier New',monospace; color: #66717c; }
.directory-paper p { color: #1b53ba; font-size: 11px; margin-bottom: 8px; }
.directory-paper h3 { font-size: 17px; font-weight: 500; line-height: 1.35; }
.directory-paper h3 a { text-decoration: none; }
.directory-paper h3 a:hover { text-decoration: underline; }
.directory-authors { display: block; font-size: 12px; color: #73808c; margin-top: 8px; }
.directory-area { font-size: 12px; color: #64727f; }
.directory-read { display: flex; flex-direction: column; gap: 9px; font-size: 12px; color: #1b53ba; }
.directory-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 45px; font-size: 11px; color: #6b7781; }
.no-results { padding: 50px 0; color: #687481; }
.tool-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 36px; padding: 32px 0; border-top: 1px solid #dce1e7; }
.tool-row h3 { margin: 12px 0; font-size: 24px; font-weight: 500; }
.tool-row p { max-width: 530px; color: #65717d; }
.tool-row > a { white-space: nowrap; color: #1b53ba; font-size: 14px; }
.tool-kind { font-size: 12px; color: #1b53ba; }
.about-intro { max-width: 670px; font-size: 23px; line-height: 1.5; margin-top: 38px; }
.about-list { margin: 45px 0; }
.about-list > div { display: grid; grid-template-columns: 120px 1fr; gap: 24px; border-top: 1px solid #dce1e7; padding: 23px 0; }
.about-list dt { color: #687481; font-size: 14px; }
.about-list dd { margin: 0; }

/* Explorer: one immersive Earth view with an interactive research selector. */
.explorer { color: #f8f8f6; background: #000; }
.explorer .round-nav { background: #1c1c1c; color: #c1c1bf; }
.explorer .round-nav [aria-current] { background: #363633; color: #fff; }
.earth-stage { min-height: 720px; height: calc(100svh - 105px); max-height: 1050px; position: relative; overflow: hidden; isolation: isolate; }
.earth-image { position: absolute; inset: 90px 21% 85px 20%; z-index: -1; }
.earth-image img { width: 100%; height: 100%; object-fit: contain; }
.explorer-header { display: flex; align-items: start; justify-content: space-between; gap: 30px; padding: 34px 40px; }
.explorer-wordmark { font-size: 24px; font-weight: 500; text-decoration: none; }
.explorer-wordmark span { display: block; font-size: 12px; color: #a1a1a1; margin-top: 5px; }
.explorer-header nav { display: flex; gap: 28px; }
.explorer-header button { border: 0; background: transparent; color: #d6d6d3; font-size: 14px; padding: 7px 0; }
.explorer-header button:hover { color: #dcf785; }
.explorer-title { position: absolute; top: 32%; left: 40px; max-width: 400px; }
.explorer-title > p { font-size: 12px; color: #dcf785; margin-bottom: 28px; }
.explorer-title h1 { font-size: 79px; line-height: 1.06; font-weight: 500; }
.explorer-title h1 span { color: #dcf785; }
.explorer-intro { margin-top: 30px; font-size: 16px; line-height: 1.7; color: #b7b7b2; }
.explorer-project { position: absolute; right: 40px; top: 35%; width: 254px; border-top: 1px solid #696963; padding-top: 16px; }
.explorer-caption { font-size: 11px; color: #d7ef8c; display: flex; justify-content: space-between; }
.explorer-caption span { color: #a1a1a1; }
.explorer-project h2 { font-family: Georgia, 'Times New Roman',serif; font-size: 31px; font-weight: 400; margin: 25px 0 19px; min-height: 70px; }
.explorer-project > p:not(.explorer-caption) { color: #b7b7b2; font-size: 14px; line-height: 1.65; min-height: 70px; }
.explorer-project a { display: inline-block; font-size: 13px; color: #dcf785; margin-top: 22px; }
.explorer-bottom { position: absolute; left: 40px; right: 40px; bottom: 26px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.focus-tabs { display: flex; gap: 18px; }
.focus-tabs button { background: none; border: 0; border-top: 2px solid #44443f; color: #9a9a95; text-align: left; min-width: 120px; padding: 15px 0 0; font-size: 14px; }
.focus-tabs button span { display: block; font: 11px/1.5 'Courier New',monospace; margin-bottom: 7px; }
.focus-tabs button[aria-pressed="true"] { border-color: #dcf785; color: #dcf785; }
.earth-credit { font-size: 10px; color: #81817c; }
.explorer-below { display: flex; justify-content: space-between; align-items: center; gap: 30px; border-top: 1px solid #3a3a36; padding: 30px 40px; }
.explorer-below span { font-family: Georgia,serif; font-size: 24px; }
.explorer-below p { font-size: 13px; max-width: 370px; color: #b7b7b2; }
.explorer-below button { font-size: 13px; color: #dcf785; padding: 0 0 4px; border: 0; border-bottom: 1px solid #dcf785; background: none; }
#explorer-dialog { margin: 0 0 0 auto; position: fixed; inset: 0; width: min(640px,100%); max-width: 100%; height: 100svh; max-height: 100svh; border: 0; background: #f5f5ee; color: #171917; padding: 55px 44px; overflow-y: auto; }
#explorer-dialog::backdrop { background: #0009; }
.dialog-close { position: absolute; top: 17px; right: 24px; border: 0; background: none; font-size: 34px; padding: 0 5px; color: #171917; }
.dialog-label { font-size: 12px; color: #526734; text-transform: uppercase; }
#dialog-title { font-family: Georgia,serif; font-weight: 400; font-size: 40px; margin: 12px 0 35px; }
.dialog-paper { padding: 24px 0; border-top: 1px solid #c7cbc0; }
.dialog-paper > span { font-size: 12px; color: #576547; }
.dialog-paper h3 { font-size: 20px; line-height: 1.35; font-weight: 400; margin: 10px 0 17px; }
.dialog-paper div { display: flex; gap: 25px; font-size: 14px; }
.dialog-paper p { color: #68705f; margin: 10px 0 20px; }
.dialog-paper a { color: #365022; }
.dialog-intro { margin: 20px 0 32px; }
.dialog-email { font-size: 28px; }
.dialog-contact-links { display: flex; gap: 26px; margin-top: 35px; font-size: 14px; }

/* Poster: oversized type and an asymmetric mosaic, without a conventional hero. */
.poster { color: #10100f; background: #fff; }
.poster-header { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; padding: 21px 32px; font-size: 13px; border-bottom: 2px solid #10100f; }
.poster-header a { text-decoration: none; }
.poster-header nav { display: flex; justify-content: center; gap: 25px; }
.poster-header > span { text-align: right; }
.poster-masthead { display: grid; grid-template-columns: 2fr 1fr; min-height: 320px; }
.poster-name { background: #f25448; padding: 27px 32px 32px; border-right: 2px solid #10100f; }
.poster-name > p { font: 12px/1.5 'Courier New',monospace; text-transform: uppercase; }
.poster-name h1 { font-family: Impact, 'Arial Narrow', Arial,sans-serif; font-size: 112px; font-weight: 400; line-height: .96; margin-top: 18px; }
.poster-name h1 span { color: #fff; }
.poster-intro { padding: 30px 32px; display: flex; flex-direction: column; justify-content: space-between; gap: 20px; }
.poster-cross { font-family: Arial,sans-serif; font-size: 64px; line-height: .8; }
.poster-intro p { font-size: 20px; line-height: 1.4; }
.poster-intro a { font-size: 13px; align-self: start; }
.poster-mosaic { display: grid; grid-template-columns: 1.4fr 1fr 1fr; border-top: 2px solid #10100f; border-bottom: 2px solid #10100f; }
.poster-mosaic > a { min-width: 0; position: relative; min-height: 370px; padding: 27px 30px; text-decoration: none; overflow: hidden; }
.poster-mosaic > a:not(:last-child) { border-right: 2px solid #10100f; }
.poster-landscape { color: white; display: flex; align-items: end; }
.poster-landscape img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 28% 55%; }
.poster-landscape div { position: relative; z-index: 1; text-shadow: 0 1px 4px #0008; }
.poster-mosaic h2 { font-size: 44px; font-weight: 500; line-height: 1.05; margin: 24px 0 17px; }
.poster-mosaic span:not(.poster-index) { font: 12px/1.5 'Courier New',monospace; }
.poster-mosaic p { font-size: 16px; line-height: 1.5; }
.poster-forest { background: #e3f34e; }
.poster-ocean { background: #174bd8; color: white; }
.poster-index { position: absolute; bottom: -13px; right: 10px; font: 110px/1 Impact, 'Arial Narrow',Arial,sans-serif; opacity: .17; pointer-events: none; }
.poster-mosaic a:hover h2 { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 7px; }
.poster-work { display: grid; grid-template-columns: 270px minmax(0,1fr); gap: 55px; padding: 55px 32px 70px; }
.poster-section-title > p { font: 12px/1.5 'Courier New',monospace; text-transform: uppercase; }
.poster-section-title h2 { font-size: 58px; font-weight: 500; margin: 17px 0 24px; }
.poster-section-title > a { font-size: 14px; }
.poster-paper { display: grid; grid-template-columns: 30px 1fr 65px; gap: 25px; padding: 28px 0; border-top: 2px solid #10100f; }
.poster-paper-number { font: 12px/1.5 'Courier New',monospace; }
.poster-paper p { font: 11px/1.5 'Courier New',monospace; text-transform: uppercase; margin-bottom: 13px; }
.poster-paper h3 { font-size: 23px; line-height: 1.25; font-weight: 500; }
.poster-paper h3 a { text-decoration: none; }
.poster-paper h3 a:hover { text-decoration: underline; }
.poster-read { display: flex; flex-direction: column; gap: 12px; font-size: 13px; }
.poster-resources { background: #e3f34e; border-top: 2px solid #10100f; border-bottom: 2px solid #10100f; padding: 50px 32px; display: grid; grid-template-columns: 270px minmax(0,1fr); gap: 55px; }
.poster-resources > div > p { font: 12px/1.5 'Courier New',monospace; text-transform: uppercase; }
.poster-resources h2 { font-size: 50px; font-weight: 500; margin-top: 18px; }
.poster-downloads { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.poster-downloads > a { text-decoration: none; border-top: 2px solid #10100f; padding: 20px 0; }
.poster-downloads span { font: 12px/1.5 'Courier New',monospace; }
.poster-downloads h3 { font-size: 27px; font-weight: 500; margin: 22px 0 16px; }
.poster-downloads p { margin-bottom: 30px; }
.poster-downloads span:last-child { text-decoration: underline; text-underline-offset: 5px; }
.poster-contact { background: #f25448; padding: 50px 32px 27px; }
.poster-contact > p { font-size: 14px; }
.poster-contact h2 { font-size: 78px; font-weight: 500; margin: 18px 0 25px; }
.poster-contact > a { font-size: 26px; }
.poster-contact > div { border-top: 2px solid #10100f; margin-top: 55px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; font-size: 13px; }

@media(min-width:1600px) { .directory-main { padding-right: max(44px,calc((100vw - 1550px)/2)); } .earth-image { inset-inline: 24%; } .poster-name h1 { font-size: 130px; } .poster-mosaic > a { min-height: 410px; } }
@media(max-width:1100px) {
  .directory-shell { grid-template-columns: 220px minmax(0,1fr); }
  .directory-sidebar { padding: 32px 23px; }
  .directory-main { padding: 32px 28px; }
  .directory-sidebar h1 { font-size: 36px; }
  .table-head,.directory-paper { grid-template-columns: 44px minmax(0,1fr) 48px; gap: 16px; }
  .table-head span:nth-child(3),.directory-area { display: none; }
  .directory-heading { flex-wrap: wrap; }
  .earth-image { inset: 145px 17% 130px 25%; }
  .explorer-title h1 { font-size: 61px; }
  .explorer-project { right: 28px; width: 215px; }
  .explorer-title { left: 28px; max-width: 310px; }
  .explorer-header { padding-inline: 28px; }
  .explorer-project h2 { font-size: 27px; }
  .earth-credit { max-width: 160px; }
  .poster-name h1 { font-size: 88px; }
  .poster-mosaic h2 { font-size: 34px; }
  .poster-work,.poster-resources { grid-template-columns: 210px minmax(0,1fr); gap: 35px; }
}
@media(max-width:720px) {
  .round-nav { padding: 0 10px; font-size: 11px; }
  .round-nav a { padding: 4px 5px; }
  .round-nav nav { gap: 1px; }
  .directory-shell { display: block; }
  .directory-sidebar { padding: 26px 20px 0; border-right: 0; border-bottom: 1px solid #dce1e7; }
  .directory-sidebar h1 { font-size: 34px; margin-top: 14px; }
  .directory-sidebar h1 br { display: none; }
  .directory-role { margin-top: 7px; }
  .directory-tabs { width: 100%; margin: 23px 0 0; flex-direction: row; gap: 0; justify-content: space-between; }
  .directory-tabs button { padding: 12px 8px; font-size: 12px; border-radius: 0; border-bottom: 2px solid transparent; }
  .directory-tabs button span { display: none; }
  .directory-tabs button[aria-selected="true"] { border-bottom-color: #1c51b8; }
  .directory-photo,.directory-external { display: none; }
  .directory-main { padding: 27px 20px; }
  .directory-main h2 { font-size: 28px; }
  .directory-heading { margin-bottom: 22px; gap: 16px; }
  .directory-search { grid-template-columns: minmax(0,1fr); }
  .directory-search .topic-select { grid-column: 1; grid-row: 3; margin-top: 10px; }
  .table-head { display: none; }
  .directory-paper { grid-template-columns: 1fr; gap: 10px; padding: 23px 0; }
  .directory-read { flex-direction: row; gap: 24px; font-size: 14px; }
  .directory-paper p { font-size: 12px; }
  .directory-paper h3 { font-size: 18px; }
  .directory-authors { font-size: 13px; }
  .directory-footer { flex-direction: column; gap: 10px; font-size: 12px; }
  .tool-row { flex-direction: column; align-items: start; }
  .about-intro { font-size: 20px; }
  .about-list > div { grid-template-columns: 1fr; gap: 10px; }
  .earth-stage { height: auto; min-height: 930px; max-height: none; }
  .explorer-header { padding: 22px 20px; flex-direction: column; gap: 19px; }
  .explorer-wordmark { font-size: 22px; }
  .explorer-header nav { gap: 27px; }
  .explorer-header button { font-size: 13px; }
  .earth-image { inset: 170px 0 auto; height: 320px; }
  .explorer-title { position: relative; top: auto; left: auto; margin: 350px 20px 0; }
  .explorer-title > p { margin-bottom: 17px; }
  .explorer-title h1 { font-size: 50px; }
  .explorer-title h1 br { display: block; }
  .explorer-intro { display: none; }
  .explorer-project { position: relative; top: auto; right: auto; width: auto; margin: 30px 20px 135px; }
  .explorer-project h2 { margin: 19px 0 15px; font-size: 29px; min-height: 65px; }
  .explorer-project > p:not(.explorer-caption) { max-width: 320px; min-height: 55px; }
  .explorer-project a { margin-top: 14px; }
  .explorer-bottom { left: 20px; right: 20px; bottom: 22px; display: block; }
  .focus-tabs { justify-content: space-between; gap: 15px; }
  .focus-tabs button { min-width: 0; flex: 1; font-size: 13px; padding-top: 10px; }
  .earth-credit { display: block; max-width: none; margin-top: 24px; font-size: 10px; }
  .explorer-below { flex-direction: column; align-items: start; padding: 30px 20px; gap: 17px; }
  .explorer-below span { font-size: 26px; }
  #explorer-dialog { padding: 60px 24px 30px; }
  #dialog-title { font-size: 34px; }
  .dialog-contact-links { flex-direction: column; gap: 17px; }
  .poster-header { padding: 17px 20px; grid-template-columns: 1fr auto; font-size: 11px; gap: 15px; }
  .poster-header nav { gap: 17px; }
  .poster-header > span { display: none; }
  .poster-masthead { grid-template-columns: 1fr; }
  .poster-name { padding: 24px 20px; border-right: 0; }
  .poster-name h1 { font-size: 79px; }
  .poster-intro { padding: 21px 20px; flex-direction: row; align-items: center; gap: 18px; }
  .poster-cross { font-size: 45px; }
  .poster-intro p { font-size: 14px; }
  .poster-intro a { display: none; }
  .poster-mosaic { grid-template-columns: 1fr 1fr; }
  .poster-mosaic > a { padding: 24px 20px; min-height: 285px; }
  .poster-mosaic .poster-landscape { grid-column: 1 / -1; min-height: 280px; border-right: 0; border-bottom: 2px solid #10100f; }
  .poster-mosaic h2 { font-size: 29px; }
  .poster-landscape h2 { font-size: 43px; }
  .poster-mosaic p { font-size: 13px; }
  .poster-mosaic span:not(.poster-index) { font-size: 10px; }
  .poster-index { font-size: 80px; }
  .poster-work,.poster-resources { display: block; padding: 36px 20px; }
  .poster-section-title { margin-bottom: 35px; }
  .poster-section-title h2 { font-size: 47px; }
  .poster-paper { grid-template-columns: 20px 1fr; gap: 14px; }
  .poster-paper h3 { font-size: 20px; }
  .poster-read { grid-column: 2; flex-direction: row; gap: 24px; font-size: 14px; }
  .poster-resources h2 { font-size: 40px; margin-bottom: 32px; }
  .poster-downloads { grid-template-columns: 1fr; gap: 15px; }
  .poster-contact { padding: 36px 20px 24px; }
  .poster-contact h2 { font-size: 58px; }
  .poster-contact > div { flex-wrap: wrap; gap: 16px; font-size: 12px; }
}
@media(max-width:360px) { .poster-name h1 { font-size: 65px; } .poster-mosaic h2 { font-size: 25px; } .poster-mosaic > a { padding-inline: 14px; } .poster-header nav { gap: 10px; } .explorer-title h1 { font-size: 43px; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }