@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#080a0e;--line:#232833;--muted:#949cab;--blue:#92adff;--white:#f0f2f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--white);font:16px/1.65 'Manrope',Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:7px}button:disabled{cursor:not-allowed;opacity:.6}::selection{background:#92adff;color:#080a0e}.shell{max-width:1600px;margin:auto;padding:0 5.5%}header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;font-size:21px;font-weight:800;letter-spacing:-.7px}.blue{color:var(--blue)}.mark{font-size:40px;margin-right:11px;line-height:1;color:var(--blue)}nav{display:flex;gap:36px;font-size:14px;color:#b6bdc9}nav a:hover,footer a:hover{color:var(--blue)}.sound{display:flex;align-items:center;justify-content:center;gap:12px;background:#101319;border:1px solid #303746;color:#d9dfed;border-radius:6px;font-size:14px;padding:10px 16px;transition:background .2s,border-color .2s}.sound:hover{background:#1a2231;border-color:#92adff}.top-sound>span:first-child{color:var(--blue)}.hero{position:relative;overflow:hidden}.hero-top,.hero-bottom,.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:center}.hero-top{padding:35px 0}.eyebrow,.small-label,.edition,.hero-bottom,.section-note,.audio-caption,.identity-line>span{font-size:12px;font-weight:600;letter-spacing:1.7px}.eyebrow{color:#b7c1d4}.edition,.section-note{color:#707b8e}.hero-body{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:560px;padding:30px 0 50px}.intro{position:relative;z-index:2}.small-label{color:var(--blue)}h1{font-size:clamp(60px,6.9vw,112px);line-height:1.05;letter-spacing:-.07em;margin:25px 0 30px;font-weight:500}h1 span{color:var(--blue)}.intro p{font-size:18px;line-height:1.8;color:#a3abba;margin-bottom:32px}.primary{display:inline-flex;gap:45px;align-items:center;border-radius:5px;padding:13px 20px;background:var(--blue);color:#0b1120;font-size:14px;font-weight:800;transition:background .2s,transform .2s}.primary:hover{background:#b7c8ff;transform:translateY(-2px)}.primary span{font-size:21px}.signal{height:480px;position:relative;display:grid;place-items:center;isolation:isolate;background:radial-gradient(ellipse at center,#26395460,transparent 64%)}.signal-grid{position:absolute;inset:0;background-image:linear-gradient(#7187b90a 1px,transparent 1px),linear-gradient(90deg,#7187b90a 1px,transparent 1px);background-size:38px 38px;mask-image:radial-gradient(ellipse,black,transparent 70%)}.orbit{position:absolute;width:82%;aspect-ratio:1;border:1px solid #718abc30;border-radius:50%;transform:rotate(-26deg) scaleY(.56)}.orbit-one{border-top:2px solid #a9c2ff99;box-shadow:0 -6px 26px #7c9bff0a;animation:orbit 18s linear infinite}.orbit-two{transform:rotate(48deg) scaleY(.56);border-bottom-color:#86a9ff88}.orbit-three{width:66%;transform:rotate(95deg) scaleY(.7);border-color:#617aab25}.core{font-size:clamp(110px,15vw,240px);font-weight:800;line-height:1;letter-spacing:-.1em;padding-right:.1em;background:linear-gradient(130deg,#f0f6ff 5%,#7d93b4 37%,#293a53 46%,#c0d4f0 52%,#617baf 78%,#1a2639);color:transparent;background-clip:text;filter:drop-shadow(0 20px 22px #0008);transform:rotate(-9deg)}.core span{font-weight:500}.coord{position:absolute;font:12px/1.5 monospace;letter-spacing:2px;color:#8091af}.coord-top{top:35px;left:16px}.coord-bottom{bottom:35px;right:5px}.cross{position:absolute;color:#8494af;font-size:22px}.cross-one{top:30px;right:15px}.cross-two{bottom:26px;left:16px}.hero-bottom{padding:25px 0 32px;color:#7b869b;border-bottom:1px solid var(--line)}.hero-bottom a{font-size:12px;color:#c3ccdc;letter-spacing:1.5px}.hero-bottom a span{margin-left:24px}.section{padding:55px 0 70px;border-bottom:1px solid var(--line)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:60px}h2{font-size:clamp(38px,4vw,64px);line-height:1.14;letter-spacing:-.055em;font-weight:500;margin:0}h2 span{color:#778295}.about-copy{max-width:500px}.about-copy p{color:#98a2b4;margin:0 0 26px}.about-copy .lead{font-size:22px;color:#e0e6f0;line-height:1.5}.identity-line{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-top:1px solid var(--line);align-items:center}.identity-line>span{color:#7d899f}.identity-line strong{font-size:14px;font-weight:500}.signature{padding-bottom:0;overflow:hidden}.signature-head{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:65px;align-items:center}.welcome{background:linear-gradient(120deg,#121925,#0d1118);padding:30px 36px;border:1px solid #293347;border-radius:8px}.audio-caption{color:#9facbf}.welcome>p{font-size:16px;color:#c2cbdd;margin:10px 0 22px}.welcome .voice-status{font-size:12px;color:#8291a9;min-height:20px;margin:15px 0 0}.voice-button{background:transparent;min-width:163px}.play-icon{color:var(--blue);font-size:12px}.wave{height:55px;display:flex;align-items:center;gap:5px;margin:22px 0}.wave i{width:3px;height:14px;background:#90adfb;opacity:.7;border-radius:3px}.wave i:nth-child(3n){height:35px}.wave i:nth-child(4n){height:49px}.wave i:nth-child(5n){height:25px}.speaking .wave i{animation:pulse .65s ease-in-out infinite alternate}.speaking .wave i:nth-child(2n){animation-delay:.25s}.giant-word{font-weight:800;font-size:clamp(55px,15.6vw,235px);line-height:1.1;letter-spacing:-.07em;color:#141b26;margin:70px 0 -14px;white-space:nowrap;text-align:center;user-select:none}.giant-word span{color:#1d2b46}footer{padding:30px 0 40px;display:flex;justify-content:space-between;align-items:center;gap:24px}footer>span,footer>a:last-child{font-size:12px;color:#818ca1;letter-spacing:1px}.skip{position:fixed;top:-100px;left:20px;padding:10px;background:var(--blue);color:#080a0e;z-index:10}.skip:focus{top:10px}@keyframes orbit{to{transform:rotate(334deg) scaleY(.56)}}@keyframes pulse{to{transform:scaleY(.4);opacity:.35}}@media(min-width:1600px){.giant-word{font-size:225px}}@media(max-width:800px){.shell{padding:0 6%}header{height:82px}nav{gap:20px}nav a{font-size:12px}.top-sound{padding:9px}.top-sound .sound-label{display:none}.brand{font-size:18px}.mark{font-size:32px}.edition,.section-note{display:none}.hero-top{padding:26px 0}.hero-body{min-height:0;padding:15px 0 30px;grid-template-columns:1fr}.intro{padding-top:10px}h1{font-size:clamp(62px,12vw,90px)}.signal{height:320px;margin-top:10px}.core{font-size:170px}.orbit{width:70%;max-width:360px}.hero-bottom{font-size:10px}.hero-bottom a{font-size:10px;letter-spacing:1px}.hero-bottom a span{margin-left:5px}.about-grid,.signature-head{grid-template-columns:1fr;gap:35px;padding-top:35px}.signature-head{padding-top:0;margin-top:35px}.section{padding-top:35px;padding-bottom:45px}.signature{padding-bottom:0}.welcome{padding:25px}.giant-word{margin-top:45px;margin-bottom:-3px;font-size:15vw}footer{flex-wrap:wrap}footer .brand{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* STEM7X product vision */
.hero-body{grid-template-columns:1.2fr 1fr}h1{font-size:clamp(48px,5.2vw,82px);letter-spacing:-.06em}.vision-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:48px 0 20px}.vision-specs>div{padding:24px 0;border-top:1px solid var(--line)}.vision-specs strong{display:block;font-size:clamp(28px,3vw,44px);font-weight:500;letter-spacing:-.04em;margin-top:15px}.vision-specs p{color:var(--muted);font-size:16px;max-width:290px}.compatibility{color:#949fb3;font-size:14px;line-height:1.7;max-width:820px}.signature-head{margin-top:48px}.giant-word{font-size:clamp(55px,17vw,245px)}@media(max-width:800px){.hero-body{grid-template-columns:1fr}h1{font-size:clamp(43px,9vw,72px)}.vision-specs{grid-template-columns:1fr;gap:0;margin-top:28px}.vision-specs p{max-width:none}.giant-word{font-size:18vw}}

.beta-copy{max-width:530px;color:var(--muted);font-size:18px;line-height:1.8;margin:25px 0 0}.beta-form{padding:30px;background:linear-gradient(120deg,#121925,#0d1118);border:1px solid #293347;border-radius:8px;position:relative}.beta-form>label{display:block;font-size:14px;color:#dce3f1;margin-bottom:10px}.beta-form input[type=email]{width:100%;border:1px solid #39465e;background:#090e17;color:#f0f2f8;border-radius:5px;padding:14px;font:inherit}.beta-form input:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.beta-form .consent{display:flex;align-items:flex-start;gap:10px;margin:20px 0;font-size:14px;cursor:pointer}.consent input{width:18px;height:18px;flex-shrink:0;accent-color:var(--blue);margin-top:3px}.beta-submit{border:0;cursor:pointer}.beta-note,#beta-status{font-size:14px;line-height:1.6;color:#a0adc3;margin:18px 0 0}#beta-status{color:#bfd0ff;min-height:22px}.email-trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}@media(max-width:520px){header{flex-wrap:wrap;height:auto;padding:17px 0;gap:12px}header nav{order:3;flex-basis:100%;justify-content:space-between}.beta-form{padding:22px}}

.contact-email{color:var(--blue);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.contact-email:hover{color:#d5e0ff}

.sound-controls{display:flex;align-items:center;justify-content:flex-end;gap:14px;padding-top:16px;flex-wrap:wrap}.sound-controls button{font:inherit;font-size:14px;color:#bac6dc;background:#101722;border:1px solid #34415a;border-radius:5px;padding:7px 12px}.sound-controls button[aria-pressed=true]{color:#cdddff;border-color:var(--blue)}.sound-controls span{font-size:12px;color:#8997b0}.greeting-copy{margin:20px 0 26px;color:#c2cbdd;font-size:16px;line-height:1.8}.greeting-copy p{margin:0 0 16px}.greeting-copy a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.creator-signature{margin-top:28px;color:var(--blue);font-size:18px}.creator-signature span{display:block;font-size:14px;color:var(--muted);margin-top:5px}.creator .identity-line{flex-wrap:wrap}header nav{gap:24px}@media(max-width:1050px){header{height:auto;min-height:90px;flex-wrap:wrap;padding:18px 0;gap:15px}header nav{order:3;flex-basis:100%;justify-content:space-between;gap:15px;flex-wrap:wrap}}@media(max-width:520px){.sound-controls{justify-content:flex-start}.sound-controls span{display:none}header nav a{font-size:14px}.creator h2{font-size:38px}}