:root{--bg:#080D1C;--bg2:#101A30;--pu:#8B5CF6;--bl:#3B82F6;--cy:#22D3EE;--tx:#F8FAFC;--tx2:#94A3B8;--line:#ffffff17;
--fh:'Bricolage Grotesque',Georgia,sans-serif;--fb:'Instrument Sans',system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--tx);font:400 1rem/1.6 var(--fb)}
a{color:var(--cy)}h1,h2,h3{font-family:var(--fh);letter-spacing:-.02em;margin:0}
h2{font-size:2.1rem;margin-bottom:1rem}h3{font-size:1.15rem;margin:1rem 0 .4rem}
section{max-width:1200px;margin:0 auto;padding:4.5rem 1.25rem}
.small{font-size:.85rem;margin:0 0 .6rem}.muted{color:var(--tx2)}

/* navbar: floating glass pill */
.nav{position:sticky;top:12px;z-index:1000;padding:0 12px}
.navin{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem .6rem .5rem 1.1rem;background:#0f1830cc;backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:999px;position:relative}
.brand{display:flex;gap:.55rem;align-items:center;font:700 1.15rem var(--fh);color:var(--tx);text-decoration:none}
#menu{display:flex;gap:.2rem;background:#ffffff0a;border-radius:999px;padding:.2rem}
#menu a{color:var(--tx2);text-decoration:none;padding:.4rem .9rem;border-radius:999px;font-size:.92rem;transition:.2s}
#menu a:hover{color:var(--tx)}#menu a.active{background:#ffffff14;color:var(--tx)}
.navact{display:flex;gap:.5rem;align-items:center}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger i{display:block;width:20px;height:2px;background:var(--tx);border-radius:2px}
#std-mnm{
    text-decoration: none;
}
.btn{display:inline-flex;gap:.45rem;align-items:center;background:var(--bg2);color:var(--tx);border:1px solid #ffffff26;border-radius:999px;padding:.55rem 1.1rem;cursor:pointer;font:500 .95rem var(--fb);transition:.2s}
.btn:hover{border-color:var(--cy)}.btn:disabled{opacity:.5;cursor:wait}
.btn.primary{background:var(--pu);border-color:var(--pu)}.btn.primary:hover{background:#7c3aed}
.btn.ghost{background:transparent;border-color:transparent;color:var(--tx2)}.btn.ghost:hover,.btn.ghost.on{color:var(--cy)}
.btn.big{padding:.8rem 1.5rem;font-size:1rem}.btn.glow{border-color:var(--cy);color:var(--cy)}
.card{position:relative;background:var(--bg2);border:1px solid var(--line);border-radius:18px;padding:1.3rem;margin-bottom:1rem}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:2rem;align-items:center;min-height:78vh}
.eyebrow{color:var(--cy);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;margin:0 0 .8rem}
.hero h1{font-size:clamp(2.6rem,6.5vw,4.8rem);line-height:1.02}.hero h1 em{font-style:normal;color:var(--cy)}
.lead{color:var(--tx2);font-size:1.2rem;max-width:30rem}.lead2{color:var(--tx2);margin:-.5rem 0 1.5rem}
.row{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;margin:.6rem 0}
.globewrap{display:grid;gap:1rem}
.globe{position:relative;height:320px;display:grid;place-items:center}
.orb{width:230px;height:230px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#22D3EE,#3B82F6 45%,#1e1b4b 80%);box-shadow:0 0 60px #8B5CF655;transition:.4s}
.ring{position:absolute;border:1px solid #22D3EE55;border-radius:50%;opacity:0}
.r1{width:270px;height:270px}.r2{width:310px;height:310px}
.bars{position:absolute;bottom:4px;display:flex;gap:4px;align-items:flex-end;height:60px}
.bars i{width:6px;height:6px;border-radius:3px;background:var(--cy);transition:height .3s}
.globe.speaking .orb{animation:pulse 1.1s ease-in-out infinite;box-shadow:0 0 90px #22D3EE88}
.globe.speaking .ring{animation:ring 1.8s ease-out infinite}.globe.speaking .r2{animation-delay:.6s}
.globe.speaking .bars i{animation:b 1s ease-in-out infinite alternate}
@keyframes pulse{50%{transform:scale(1.05)}}@keyframes ring{from{opacity:.8;transform:scale(.85)}to{opacity:0;transform:scale(1.15)}}
@keyframes b{from{height:8%}to{height:100%}}
.caption{min-height:4.5rem;padding:.9rem 1.1rem;background:var(--bg2);border:1px solid var(--line);border-radius:14px;color:var(--tx2)}
.caption.live{color:var(--tx);border-color:var(--cy)}

.grid2{display:grid;grid-template-columns:2fr 1fr;gap:1rem}
#map{height:480px;border-radius:12px;margin:.5rem 0}
input,select{background:var(--bg);color:var(--tx);border:1px solid #ffffff26;border-radius:10px;padding:.5rem;font:inherit}
#searchInput{flex:1;min-width:160px}label{color:var(--tx2);font-size:.9rem;display:flex;gap:.4rem;align-items:center}
.info{list-style:none;padding:0;margin:0}.info li{display:flex;justify-content:space-between;gap:.5rem;padding:.2rem 0;color:var(--tx2)}.info b{color:var(--tx);text-align:right;font-weight:500;max-width:65%}
.params{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.pcard{position:relative;background:var(--bg);border:1px solid #ffffff1f;border-radius:14px;padding:.7rem;cursor:pointer;color:var(--tx);text-align:left;font:inherit}
.pcard small{display:block;color:var(--tx2)}.pcard svg{color:var(--cy);width:18px;height:18px;vertical-align:-3px}
.pcard.sel{border-color:var(--pu);background:#8B5CF61f}.pcard.sel::after{content:'✓';position:absolute;top:6px;right:10px;color:var(--cy)}
.chartWrap{height:320px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.6rem;margin-top:1rem}
.stat{background:var(--bg);border-radius:12px;padding:.7rem;color:var(--tx2);font-size:.88rem}.stat b{display:block;color:var(--tx);font-family:var(--fh);margin-bottom:.2rem}.stat span{color:var(--cy)}
.overlay{position:absolute;inset:0;background:#080D1Ccc;display:grid;place-items:center;border-radius:18px;z-index:5}
.error{background:#7f1d1d55;border:1px solid #ef4444;border-radius:12px;padding:.7rem;margin-bottom:.7rem}
#wave{width:100%;background:var(--bg);border-radius:12px}.meta{justify-content:space-between;color:var(--tx2)}
input[type=range]{padding:0;accent-color:var(--pu)}#progress{width:100%}
#mapText ul{margin:.4rem 0 0;padding-left:1.1rem}

/* NASA -> Sound section */
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:.8rem;align-items:stretch;margin-bottom:1rem}
.node{margin:0}.arrow{align-self:center;font-size:1.8rem;color:var(--cy)}
.tag{color:var(--cy);font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.tablecard{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:560px}
th,td{text-align:left;padding:.65rem .7rem;border-bottom:1px solid var(--line)}th{color:var(--tx2);font-weight:500;font-size:.85rem}td:first-child{font-weight:600}

#toasts{position:fixed;right:1rem;bottom:1rem;z-index:2000;display:grid;gap:.5rem}
.toast{background:var(--bg2);border-left:4px solid var(--cy);padding:.7rem 1rem;border-radius:10px;box-shadow:0 6px 24px #0008}.toast.error{border-color:#ef4444}.toast.success{border-color:#22c55e}
[hidden]{display:none!important}
@media(max-width:1000px){#menu a{padding:.4rem .6rem}}
@media(max-width:900px){
 .hero,.grid2{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.arrow{transform:rotate(90deg);justify-self:center}
 .burger{display:flex}#startBtn{display:none}.navin{border-radius:26px}
 #menu{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;background:#0f1830f2;border:1px solid var(--line);border-radius:18px;padding:.5rem}
 #menu.open{display:flex}#map{height:360px}}

.maphelp{display:flex;flex-wrap:wrap;gap:.4rem .5rem;margin:.4rem 0}
.maphelp span{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.25rem .6rem;font-size:.82rem;color:var(--tx2)}
kbd{display:inline-block;min-width:1.5em;text-align:center;margin-right:.25rem;padding:0 .35rem;border:1px solid #ffffff33;border-bottom-width:2px;border-radius:6px;background:var(--bg2);color:var(--tx);font:600 .78rem var(--fb)}
.voicebar{margin:.2rem 0 .6rem}.voicebar .btn.on{border-color:var(--cy);color:var(--cy)}#chartCaption{margin-bottom:.8rem}
.btn.on{border-color:var(--cy);color:var(--cy)}