:root{color-scheme:dark;--bg:#060d1a;--surface:#0e1b2d;--line:#26354c;--text:#eff5fc;--muted:#97aabd;--accent:#97d3f8;--warm:#f4cb8d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55}body:before{content:"";position:absolute;pointer-events:none;top:0;left:0;right:0;height:680px;background:radial-gradient(ellipse at 71% 20%,rgba(34,81,121,.32),transparent 55%),linear-gradient(180deg,#0b1829,transparent);z-index:-2}.starfield{position:absolute;top:0;left:0;right:0;height:1600px;z-index:-1;pointer-events:none;opacity:.4;background-image:radial-gradient(1px 1px at 6% 11%,#b7cfe0 99%,transparent),radial-gradient(1px 1px at 27% 24%,#d7e7ff 99%,transparent),radial-gradient(1.5px 1.5px at 71% 7%,#d7e7ff 99%,transparent),radial-gradient(1px 1px at 91% 18%,#d7e7ff 99%,transparent),radial-gradient(1px 1px at 42% 35%,#d7e7ff 99%,transparent);background-size:310px 260px}.shell{width:min(1160px,calc(100% - 42px));margin:0 auto}.topbar{display:flex;align-items:center;gap:25px;height:93px;border-bottom:1px solid rgba(139,167,201,.16)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}.brand-mark{display:block;position:relative;border:2px solid var(--accent);border-radius:100%;width:30px;height:30px;transform:rotate(-25deg)}.brand-mark:after{content:"";position:absolute;inset:7px;border-radius:100%;background:var(--accent)}.brand-orbit{position:absolute;left:-9px;right:-9px;top:12px;border-top:1.5px solid var(--accent);transform:rotate(-28deg)}.brand strong{font-size:13px;letter-spacing:1.1px}.brand-highlight{color:var(--accent)}.brand small{display:block;font-size:9px;letter-spacing:2.6px;color:var(--muted);line-height:1.5}.topbar nav{display:flex;gap:27px;margin-left:auto}.topbar nav a,.footer a{font-size:12px;text-decoration:none;color:#bdcad8}.topbar nav a:hover,.footer a:hover{color:var(--accent)}.preview-tag{border:1px solid #34506c;border-radius:999px;color:#9cc3de;font-size:10px;white-space:nowrap;padding:6px 11px;letter-spacing:1px}.hero{position:relative;padding:88px 0 56px;min-height:417px;overflow:hidden}.hero-intro{position:relative;z-index:2;max-width:730px}.eyebrow,.section-eyebrow,.module-topline,.signal-caption,.data-footer,.globe-controls,.intro-note,.discovery-number,.teacher-label{letter-spacing:1.4px;font-size:11px;font-weight:700}.eyebrow{color:#a8c8de}.status-dot,.pulse{display:inline-block;width:7px;height:7px;background:#72dec5;border-radius:50%;box-shadow:0 0 12px #72dec5;margin-right:8px}.sep{padding:0 8px;color:#52657d}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(46px,7.5vw,88px);letter-spacing:-4.4px;line-height:1.04;margin:24px 0}h1 em{font-style:normal;color:var(--accent)}.hero-description{font-size:16px;max-width:620px;color:#bdcadc;line-height:1.8}.hero-description strong{color:#f5faff;font-weight:600}.hero-actions{display:flex;gap:10px;margin-top:28px}.button{display:inline-flex;justify-content:space-between;gap:28px;align-items:center;padding:12px 19px;border-radius:7px;border:1px solid #38536c;font-size:13px;font-weight:650;text-decoration:none;cursor:pointer;transition:background .2s,color .2s}.button-primary{color:#091526;background:#a9dcf7;border-color:#a9dcf7}.button-primary:hover{background:#d5f0ff}.button-subtle{color:#dbeefa;background:rgba(27,57,81,.4)}.button-subtle:hover{background:#1a334b}.intro-note{color:#8ba4b7;display:flex;align-items:center;gap:11px;margin-top:33px}.line{height:1px;width:28px;background:#55718d}.orbit-decoration{position:absolute;width:620px;height:620px;right:-160px;top:-275px;border:1px solid rgba(127,174,215,.15);border-radius:50%;box-shadow:0 0 0 90px rgba(76,124,163,.022),0 0 0 180px rgba(76,124,163,.013)}.orbit-dot{position:absolute;top:400px;left:29px;width:9px;height:9px;border-radius:50%;background:#b7dff7;box-shadow:0 0 18px #b7dff7}.orbit-dot.secondary{top:215px;left:36px;width:5px;height:5px;background:#d7ad76}.surface{background:linear-gradient(145deg,rgba(18,36,58,.95),rgba(10,23,40,.98));border:1px solid rgba(116,156,198,.21);border-radius:15px}.earth-layout{display:grid;grid-template-columns:1.16fr .84fr;gap:45px;align-items:center;scroll-margin-top:35px}.earth-module{overflow:hidden}.module-topline{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;color:#94bddb;border-bottom:1px solid rgba(124,164,208,.12);gap:8px}.module-topline .pulse{width:6px;height:6px}.globe-stage{position:relative;display:flex;justify-content:center;align-items:center;padding:4px 10px 17px;min-height:440px;overflow:hidden}.globe-stage:before{content:"";position:absolute;inset:26px;background:radial-gradient(ellipse,#2f679224,transparent 59%);pointer-events:none}.orbit-ring{position:absolute;width:450px;height:450px;border:1px solid rgba(93,151,190,.16);border-radius:50%;transform:rotate(22deg) scaleY(.55);pointer-events:none}.ring-2{transform:rotate(-28deg) scaleY(.74);width:485px;height:485px;border-color:rgba(93,151,190,.10)}#earthCanvas{z-index:2;position:relative;display:block;width:100%;height:auto;max-width:390px;aspect-ratio:1;cursor:grab;touch-action:none;filter:drop-shadow(0 0 30px #387ec03b)}#earthCanvas:active{cursor:grabbing}.globe-caption{position:absolute;bottom:10px;color:#8fb3ce;font-size:10px;letter-spacing:1.2px;z-index:3}.crosshair{font-size:15px;margin:0 12px}.globe-controls{padding:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;background:#0b1829}.globe-controls button{background:transparent;border:1px solid #2a415a;color:#8fa5b8;border-radius:7px;font-size:10px;font-weight:700;letter-spacing:.5px;min-height:37px;cursor:pointer}.globe-controls button.selected,.globe-controls button:hover{background:#254561;border-color:#5c9dc7;color:#fff}.accuracy-bar{font-size:10px;line-height:1.4;color:#839aae;border-top:1px solid #23374b;padding:11px 18px}.accuracy-bar span{color:#b6d8ef;margin-right:7px}.earth-side .section-eyebrow,.section-eyebrow{color:#83b6d5}.earth-side h2,.section-head h2{font-size:clamp(28px,3.6vw,49px);line-height:1.16;letter-spacing:-1.5px;margin:13px 0 17px}.earth-side h2 span{color:#8cbfdf}.earth-side>p{color:#aebed0;line-height:1.85;font-size:15px}.facts-stack{display:grid;gap:14px;margin:31px 0 27px}.fact{display:flex;gap:15px;border-bottom:1px solid #26384a;padding:0 0 15px}.fact-icon{width:42px;height:42px;flex:0 0 auto;display:grid;place-items:center;background:#11283e;border:1px solid #2b536b;border-radius:9px;font-size:23px;color:#a6d4f1}.fact small{display:block;font-size:10px;letter-spacing:1px;color:#87afc8;font-weight:700}.fact strong{font-size:21px;display:block;line-height:1.5}.fact span{font-size:12px;color:#879fb3}.small-link{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-size:13px;font-weight:650;color:#a2d6f6;border-bottom:1px solid #53738c;padding-bottom:5px}.small-link:hover{color:#fff}.signal-section,.missions-layout,.discovery-layout{margin-top:106px;scroll-margin-top:30px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.section-head h2{margin-bottom:0}.section-head>p{max-width:260px;font-size:13px;color:#91a6b8;text-align:right;margin-bottom:7px}.signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.signal-card{padding:24px;min-height:260px;display:flex;flex-direction:column}.signal-icon{font-size:29px;color:#c2d9f0;height:44px}.signal-caption{color:#8dafc7;font-size:10px}.signal-card h3{font-size:24px;line-height:1.35;margin:12px 0}.signal-card p{color:#9db0c1;font-size:13px;line-height:1.65}.data-footer{border-top:1px solid #2c4157;padding-top:15px;margin-top:auto;display:flex;gap:8px;justify-content:space-between;color:#849caf;font-size:10px;letter-spacing:.4px;font-weight:500}.data-footer a{color:#a8d3ed;text-decoration:none}.calc-pill{color:#e9c795}.mission-panel{display:grid;grid-template-columns:.37fr .63fr;overflow:hidden}.mission-visual{position:relative;min-height:360px;background:radial-gradient(circle at 51% 79%,#40658d 0,#1e3858 20%,#0d1e34 53%,#0b172b 80%);display:flex;justify-content:center;align-items:center}.mission-visual:after{content:"";position:absolute;width:180px;height:180px;border:1px solid #7798b04c;border-radius:50%;box-shadow:0 0 0 65px #91a8d20b,0 0 0 130px #91a8d208}.launch-light{position:absolute;bottom:0;width:110px;height:220px;background:linear-gradient(0deg,#faa46b57,transparent);filter:blur(27px)}.rocket-silhouette{font-size:125px;color:#dae8f5;text-shadow:0 0 70px #b4deff;transform:translateY(-12px)}.launch-axis{position:absolute;bottom:21px;left:26px;font-size:10px;letter-spacing:1.6px;color:#93afc4}.mission-content{padding:35px}.mission-content .eyebrow{font-size:10px}.launch-list{display:grid;gap:12px;margin:23px 0}.launch-item{padding:12px 0;border-bottom:1px solid #2a3d51}.launch-item .title{font-size:16px;font-weight:650;line-height:1.35}.launch-item .meta{color:#a7b9c8;font-size:12px;margin-top:5px}.launch-placeholder{color:#a7b8ca}.mission-note{font-size:11px;color:#879cad;line-height:1.6;margin:20px 0}.discovery-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:17px;margin-bottom:100px}.discovery-main{position:relative;padding:38px;overflow:hidden;background:linear-gradient(138deg,#182e46,#0a1c31)}.discovery-main:before{position:absolute;content:"?";right:10px;top:-78px;font-size:325px;line-height:1;color:#2945624d;pointer-events:none}.discovery-number{margin-top:31px;color:#a5c1d5;font-size:10px}.discovery-main h2{max-width:630px;font-size:clamp(29px,3.2vw,43px);letter-spacing:-1.2px;line-height:1.2;margin:12px 0}.discovery-main>p{color:#afc3d3;font-size:14px;max-width:570px}.discovery-main button{position:relative;margin-top:18px}.discovery-answer{margin-top:22px;position:relative;max-width:620px;padding:17px 19px;background:#102a42;border-left:3px solid #acdafa}.discovery-answer strong{color:#c6e9ff;font-size:17px}.discovery-answer p{color:#d2e0ec;font-size:14px}.discovery-answer a{font-size:12px;color:#add8fa}.teacher-panel{padding:29px}.teacher-icon{font-size:42px;color:#e6ce8b}.teacher-panel h3{font-size:28px;letter-spacing:-.7px;line-height:1.25;margin:14px 0}.teacher-panel p{color:#acbfd0;font-size:13px;line-height:1.7}.teacher-label{display:inline-block;border:1px solid #365e72;color:#b2d4e8;padding:8px 11px;border-radius:5px;margin:12px 0}.teacher-foot{font-size:11px!important;color:#7893a8!important}.footer{display:flex;justify-content:space-between;gap:25px;padding:34px 0 70px;border-top:1px solid #2a3849}.footer strong{font-size:12px;letter-spacing:1.4px}.footer p{font-size:11px;color:#8698a9;max-width:510px}.footer>div:last-child{display:flex;gap:18px;align-items:start;flex-wrap:wrap}.footer a{font-size:11px}
@media(max-width:900px){.topbar nav{display:none}.preview-tag{margin-left:auto}.hero{padding:65px 0 38px;min-height:365px}.earth-layout{gap:25px;grid-template-columns:1fr}.earth-side{padding:14px 8px}.earth-side h2{font-size:37px}.facts-stack{grid-template-columns:repeat(3,1fr)}.fact{border-bottom:none;display:block}.fact-icon{margin-bottom:12px}.fact strong{font-size:17px}.signal-section,.missions-layout,.discovery-layout{margin-top:70px}.globe-stage{min-height:410px}}@media(max-width:600px){.shell{width:min(100% - 28px,480px)}.topbar{height:73px}.brand strong{font-size:10px}.brand small{font-size:7px;letter-spacing:1.9px}.brand-mark{height:27px;width:27px}.preview-tag{font-size:8px;letter-spacing:.5px;padding:5px 7px}.hero{padding:51px 0 25px;min-height:auto}.hero .eyebrow{font-size:9px;letter-spacing:.7px}.hero .sep{padding:0 2px}h1{font-size:clamp(43px,12vw,65px);letter-spacing:-2.6px;margin:20px 0}.hero-description{font-size:14px;line-height:1.75}.hero-actions{margin-top:22px}.button{font-size:12px;padding:11px 13px;gap:12px}.intro-note{font-size:9px;margin-top:22px}.earth-layout{gap:27px}.module-topline{padding:14px;font-size:9px;letter-spacing:.7px}.globe-stage{min-height:0;padding:0 6px 21px}.globe-controls{padding:10px}.globe-controls button{font-size:9px;letter-spacing:0;min-height:39px}.accuracy-bar{padding:10px;font-size:9px}.earth-side h2{font-size:36px}.earth-side>p{font-size:14px}.facts-stack{grid-template-columns:1fr;margin:22px 0 15px;gap:11px}.fact{display:flex;gap:12px;border-bottom:1px solid #25374a;padding-bottom:11px}.fact-icon{margin:0;width:39px;height:39px}.fact strong{font-size:17px}.fact small{font-size:9px}.section-head{display:block}.section-head h2{font-size:32px;margin-bottom:11px}.section-head>p{text-align:left;font-size:12px;max-width:100%}.signal-grid{grid-template-columns:1fr;gap:11px}.signal-card{min-height:195px;padding:21px}.signal-card h3{font-size:22px}.mission-panel{grid-template-columns:1fr}.mission-visual{min-height:130px}.rocket-silhouette{font-size:83px}.launch-axis{bottom:14px}.mission-content{padding:24px}.discovery-layout{grid-template-columns:1fr}.discovery-main{padding:25px}.discovery-main h2{font-size:31px}.discovery-number{margin-top:20px}.teacher-panel{padding:24px}.footer{display:block;padding-bottom:44px}.footer>div:last-child{margin-top:24px}.orbit-decoration{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* v0.2 — Living Earth: Earth is the first screen, not a below-the-fold section. */
.earth-layout{margin-top:24px;grid-template-columns:minmax(0,1.08fr) minmax(310px,.92fr);gap:46px}
.earth-module{background:linear-gradient(145deg,#11243c,#08172a 72%);border-color:#345574;box-shadow:0 24px 80px rgba(2,12,26,.33),0 0 65px rgba(32,113,168,.10)}
.globe-stage{min-height:0;padding:12px 12px 20px;background:radial-gradient(ellipse at 50% 53%,rgba(64,139,198,.16),transparent 72%);touch-action:pan-y}
#earthCanvas{width:100%;height:auto;max-width:520px;aspect-ratio:1;touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none}
#earthCanvas:active{cursor:grabbing}
.globe-stage:before{inset:5px;background:radial-gradient(circle at center,rgba(52,127,189,.12),transparent 68%)}
.globe-caption{bottom:9px;text-align:center;font-size:10px;letter-spacing:1.1px}
.earth-online{font-size:10px;font-weight:750;letter-spacing:1.2px;color:#a1c7df;margin-bottom:24px}
.earth-online .status-dot{margin-right:9px}
.earth-online .sep{color:#607d94;padding:0 10px}
.earth-headline{font-size:clamp(48px,5.25vw,73px);line-height:1.06;letter-spacing:-3.7px;margin:13px 0 21px}
.earth-headline em{font-style:normal;color:#96d2f6}
.earth-side>p{font-size:16px;line-height:1.75;max-width:460px}
.earth-explore-link{display:inline-flex;align-items:center;gap:17px;background:#b1e0fb;color:#06172a;text-decoration:none;font-weight:750;font-size:13px;border-radius:8px;padding:12px 16px;margin-top:7px}
.earth-explore-link:hover,.earth-explore-link:focus-visible{background:#fff}
.earth-side .facts-stack{margin-top:35px;margin-bottom:17px;gap:13px}
.earth-insight{margin:2px 13px 13px;border-radius:9px;border:1px solid rgba(100,172,219,.25);padding:12px 14px;background:rgba(19,51,78,.72);display:flex;flex-direction:column;gap:4px;min-height:67px}
.earth-insight strong{font-size:12px;letter-spacing:.35px;color:#d6ecff}
.earth-insight span{font-size:12px;color:#9ebdd6;line-height:1.5}
.accuracy-bar{line-height:1.65;color:#9bb4c9}
.accuracy-bar #textureStatus{color:#a5cbe1;margin:0}
.accuracy-bar a{color:#a8dafa}
.earth-module .module-topline{font-size:10px;letter-spacing:1px}
@media(max-width:900px){
 .earth-layout{grid-template-columns:1fr;gap:25px;margin-top:17px}
 .earth-side{padding:7px 7px 0}
 .earth-headline{font-size:clamp(45px,8vw,64px)}
 .earth-side .facts-stack{margin-top:25px}
}
@media(max-width:600px){
 .earth-layout{margin-top:14px;gap:22px}
 .earth-online{margin:2px 0 15px;font-size:9px}
 .earth-headline{font-size:clamp(43px,10vw,56px);letter-spacing:-2.5px;margin:9px 0 14px}
 .globe-stage{padding:4px 2px 21px}
 .globe-caption{bottom:4px;font-size:8px;letter-spacing:.5px}
 .earth-insight{margin:0 9px 9px;padding:10px 11px;min-height:62px}
 .earth-insight strong,.earth-insight span{font-size:11px}
 .earth-side>p{font-size:14px;line-height:1.7}
 .earth-explore-link{padding:11px 14px;font-size:12px}
 .earth-side .facts-stack{margin-top:24px}
 .globe-controls{gap:5px;padding:9px}
 .globe-controls button{min-height:41px}
}