:root{--bg: #0b0f1a;--bg-alt: #111727;--card: #161d30;--border: #242d45;--text: #e6e9f2;--muted: #9aa3b8;--accent: #ff7a3d;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}*{box-sizing:border-box}body{margin:0;background:var(--bg)}html{scroll-behavior:smooth}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 20px}.nav{position:sticky;top:0;z-index:10;background:#0b0f1ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem;color:var(--accent)}.nav nav{display:flex;gap:24px}.nav nav a{color:var(--muted);font-size:.95rem}.nav nav a:hover,.nav nav a.active{color:var(--text)}.nav nav a.active{box-shadow:inset 0 -2px 0 var(--accent)}.hero{text-align:center;padding:120px 0 100px}.hero-icon{display:inline-flex;padding:20px;border-radius:50%;background:var(--card);border:1px solid var(--border);color:var(--accent);margin-bottom:24px}.hero h1{font-size:clamp(2.4rem,6vw,4rem);margin:0 0 16px;letter-spacing:-.02em}.lead{max-width:600px;margin:0 auto 32px;color:var(--muted);font-size:1.15rem}.button{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;background:var(--accent);color:#1a0d05;font-weight:600}.button:hover{filter:brightness(1.1)}.section{padding:80px 0}.section.alt{background:var(--bg-alt)}.section h2{display:flex;align-items:center;gap:10px;font-size:2rem;margin:0 0 40px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px}.card-icon{color:var(--accent)}.card h3{margin:12px 0 8px;font-size:1.15rem}.card p{margin:0;color:var(--muted)}.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--border)}.timeline li{position:relative;padding:0 0 28px 28px}.timeline li:before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent)}.year{font-weight:700;color:var(--accent)}.timeline p{margin:4px 0 0;color:var(--muted)}.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:28px;color:var(--accent);font-weight:600}.more-link:hover{text-decoration:underline}.page-hero{padding:80px 0 60px;border-bottom:1px solid var(--border)}.prose{max-width:760px}.prose p{color:var(--muted);font-size:1.05rem}.prose strong{color:var(--text)}.equation{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.2rem!important;color:var(--text)!important;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 20px;overflow-x:auto}.steps{list-style:none;counter-reset:step;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.steps li{counter-increment:step;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px}.steps h3:before{content:counter(step) ". ";color:var(--accent)}.steps h3{margin:0 0 8px;font-size:1.1rem}.steps p{margin:0;color:var(--muted)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:14px}.data-table{width:100%;border-collapse:collapse;background:var(--card);min-width:640px}.data-table th,.data-table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--border);vertical-align:top}.data-table th{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.data-table tr:last-child td{border-bottom:none}.cell-title{display:flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap}.cell-title svg{color:var(--accent)}.muted{color:var(--muted)}.rocket-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.rocket-card{display:flex;flex-direction:column}.rocket-card header{display:flex;align-items:center;justify-content:space-between;gap:12px}.rocket-card h3{margin:0}.rocket-card p{flex:1;margin:12px 0 20px}.tag{font-size:.8rem;color:var(--accent);border:1px solid var(--border);border-radius:999px;padding:2px 10px;white-space:nowrap}.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0;padding-top:16px;border-top:1px solid var(--border)}.specs dt{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.specs dd{margin:2px 0 0;font-weight:600}.footnote{margin-top:28px;color:var(--muted);font-size:.9rem}.glossary{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:0 40px;margin:0}.glossary div{padding:18px 0;border-bottom:1px solid var(--border)}.glossary dt{font-weight:700;color:var(--accent)}.glossary dd{margin:4px 0 0;color:var(--muted)}.footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted);font-size:.9rem}.footer .container{display:flex;align-items:center;gap:8px}@media (max-width: 800px){.nav-inner{flex-direction:column;justify-content:center;gap:6px;height:auto;padding-top:10px;padding-bottom:10px}.nav nav{gap:14px;max-width:100%;overflow-x:auto;white-space:nowrap}.nav nav a{font-size:.85rem}}@media (max-width: 600px){.steps,.rocket-list,.glossary{grid-template-columns:1fr}.hero{padding:80px 0 64px}}