*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:#04060f;color:#dfe8ff;font-family:Inter,system-ui,sans-serif;line-height:1.55;
background-image:radial-gradient(circle at 20% 0%,#10204a 0,transparent 50%),radial-gradient(circle at 90% 60%,#24104a 0,transparent 45%)}
a{color:inherit}h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;margin:0 0 .5rem}
h2{font-size:clamp(1.8rem,4vw,2.8rem)}
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.2rem;
background:rgba(4,8,20,.7);backdrop-filter:blur(12px);border-bottom:1px solid rgba(94,240,255,.15)}
.brand{display:flex;gap:.5rem;align-items:center;font-weight:700;letter-spacing:.1em;text-decoration:none}
.links{display:flex;gap:1.2rem}.links a{text-decoration:none;opacity:.8}.links a:hover{color:#5ef0ff}
.burger{display:none;background:none;border:1px solid #2a3a66;color:#fff;border-radius:8px;padding:.3rem .6rem;font-size:1.2rem}
@media(max-width:700px){.burger{display:block}.links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
padding:1rem;background:#060b1c}.links.open{display:flex}}
.hero{position:relative;min-height:100vh;display:grid;place-items:center;text-align:center;overflow:hidden;
background:linear-gradient(rgba(94,240,255,.05) 1px,transparent 1px) 0 0/40px 40px,linear-gradient(90deg,rgba(94,240,255,.05) 1px,transparent 1px) 0 0/40px 40px}
.particles{position:absolute;inset:0;width:100%;height:100%}
.hero-in{position:relative;max-width:760px;padding:1.5rem}
h1{font-size:clamp(3rem,12vw,7rem);letter-spacing:.15em;background:linear-gradient(90deg,#5ef0ff,#6a8bff,#b07bff);
-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 25px rgba(94,240,255,.35))}
.tag{font-size:1.3rem;color:#fff}.muted{color:#93a3c8}.small{font-size:.85rem}
.eyebrow{color:#5ef0ff;text-transform:uppercase;letter-spacing:.18em;font-size:.75rem}
.row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:1.5rem}
.btn{padding:.8rem 1.4rem;border-radius:999px;border:1px solid #5ef0ff66;text-decoration:none;transition:.2s}
.btn.primary{background:linear-gradient(90deg,#1ad6ff,#7a5bff);color:#020410;font-weight:700;border:0;box-shadow:0 0 30px #1ad6ff55}
.btn:hover{transform:translateY(-2px)}
.sec{max-width:1100px;margin:0 auto;padding:6rem 1.2rem}
.reveal{opacity:0;transform:translateY(40px);transition:1s}.reveal.in{opacity:1;transform:none}
.glass{background:rgba(20,32,70,.35);border:1px solid rgba(120,180,255,.18);border-radius:18px;backdrop-filter:blur(10px)}
.pad{padding:1.3rem}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.big{font-size:2rem;font-weight:700;color:#5ef0ff}
.lead{font-size:1.15rem;margin-top:2rem}.chips{display:inline-flex;flex-wrap:wrap;gap:.4rem;margin:0 .4rem}
.chips i{font-style:normal;padding:.15rem .7rem;border-radius:999px;background:#7a5bff33;border:1px solid #7a5bff88}
.explorer{display:grid;grid-template-columns:1.2fr 1fr;overflow:hidden}
@media(max-width:760px){.explorer,.two{grid-template-columns:1fr!important}}
.viewport{position:relative;aspect-ratio:1;max-height:440px;width:100%;display:grid;place-items:center;overflow:hidden;background:#02040c}
.grid-bg{position:absolute;inset:0;background:linear-gradient(#5ef0ff14 1px,transparent 1px) 0 0/24px 24px,linear-gradient(90deg,#5ef0ff14 1px,transparent 1px) 0 0/24px 24px;
animation:pulse 6s linear infinite}
@keyframes pulse{to{background-position:24px 24px}}
.zoomin{position:relative;width:70%;animation:zoom .8s cubic-bezier(.2,.8,.2,1)}
@keyframes zoom{from{transform:scale(.15) rotate(-20deg);opacity:0;filter:blur(8px)}to{transform:none;opacity:1}}
.hud{position:absolute;left:12px;bottom:12px;font-family:monospace;color:#5ef0ff;background:#000a;padding:.3rem .7rem;border-radius:8px}
.info{padding:1.6rem}.size{font-size:1.6rem;color:#b07bff;font-weight:700}
.meter{height:6px;background:#1a2550;border-radius:9px;overflow:hidden}.meter div{height:100%;background:linear-gradient(90deg,#5ef0ff,#b07bff);transition:.5s}
.slider{width:100%;margin:1.2rem 0 .6rem;accent-color:#5ef0ff}
.ticks{display:flex;flex-wrap:wrap;gap:.4rem}
.ticks button{background:#0d1530;border:1px solid #23305a;color:#93a3c8;border-radius:999px;padding:.3rem .7rem;cursor:pointer;font-size:.8rem}
.ticks button.on{border-color:#5ef0ff;color:#5ef0ff;box-shadow:0 0 12px #5ef0ff55}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.cubes{display:grid;gap:2px;aspect-ratio:1;max-width:260px;margin:0 auto 1rem}
.cubes div{background:linear-gradient(135deg,#5ef0ff,#7a5bff);border-radius:2px;box-shadow:0 0 6px #5ef0ff66}
.glow{color:#5ef0ff;font-size:1.3rem}
.props{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}.prop p{margin:0;font-size:.88rem;color:#93a3c8}.prop h4{color:#5ef0ff}
.mats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}
.mat{text-align:left;color:inherit;font:inherit;padding:1.3rem;cursor:pointer;display:flex;flex-direction:column;gap:.6rem;transition:.3s}
.mat:hover,.mat.active{border-color:#5ef0ff;box-shadow:0 0 30px #5ef0ff33}
.matname{font-size:1.3rem;font-weight:700}
.steps{display:flex;flex-direction:column;gap:.5rem}.step{border-left:2px solid #7a5bff;padding-left:.7rem;font-size:.9rem}
.step b{display:block;color:#5ef0ff;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em}
.foot{display:flex;gap:.6rem;align-items:center;justify-content:center;padding:2rem 1rem;color:#93a3c8;font-size:.85rem;text-align:center;flex-wrap:wrap}