:root{--black:#08090a;--ink:#101214;--white:#f5f5f2;--paper:#ecece8;--muted:#85898c;--line:#d8d9d5;--dark-line:#292c2e;--accent:#00ffc8;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}p{line-height:1.65}
.site-header{height:74px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:rgba(8,9,10,.97);color:#fff;border-bottom:1px solid var(--dark-line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:13px;font:800 14px/1 monospace;letter-spacing:.16em}.brand-logo{width:36px;height:36px;object-fit:contain}.nav{display:flex;align-items:center;gap:27px;font:600 11px/1 monospace;text-transform:uppercase;letter-spacing:.08em}.nav a{opacity:.65}.nav a:hover,.nav a.active{opacity:1}.nav-github{color:var(--accent)!important}.nav-toggle{display:none;background:none;color:#fff;border:0;font:700 11px monospace}
.hero{position:relative;min-height:calc(100vh - 74px);background:var(--black);color:#fff;overflow:hidden;display:grid;grid-template-columns:1.05fr .95fr;padding:clamp(50px,8vw,110px) max(28px,calc((100vw - var(--max))/2));gap:50px;align-items:center}.hero-copy{position:relative;z-index:3;max-width:700px}.eyebrow,.section-label{font:700 10px/1.3 monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.hero .eyebrow{color:var(--accent)}h1,h2,h3{margin:0;line-height:.98;letter-spacing:-.045em}.hero h1{font-size:clamp(54px,7.2vw,108px);max-width:850px;margin:18px 0 28px}.hero-lead{max-width:610px;color:#aeb2b5;font-size:18px}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:38px}.button{display:inline-flex;gap:18px;align-items:center;padding:14px 18px;border:1px solid currentColor;font:700 11px monospace;text-transform:uppercase;letter-spacing:.08em}.button-light{background:#fff;color:#08090a}.button-dark{background:#08090a;color:#fff}.text-link,.arrow-link{font:700 11px monospace;text-transform:uppercase;letter-spacing:.08em}.hero-meta{position:absolute;left:max(28px,calc((100vw - var(--max))/2));bottom:30px;right:max(28px,calc((100vw - var(--max))/2));display:flex;justify-content:space-between;color:#62676a;font:700 9px monospace;letter-spacing:.14em;z-index:3}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:50px 50px;mask-image:linear-gradient(to right,transparent,black 20%,black 80%,transparent)}
.hero-stage{position:absolute;right:4vw;bottom:8%;width:min(42vw,570px);height:min(62vh,620px);display:grid;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.05);background:radial-gradient(circle at 58% 42%,rgba(200,255,0,.06),transparent 30%)}.hero-stage:before{content:"";position:absolute;width:78%;aspect-ratio:1;border:1px solid rgba(255,255,255,.08);border-radius:50%;transform:rotate(-17deg)}.hero-stage:after{content:"";position:absolute;width:110%;height:1px;background:rgba(255,255,255,.06);transform:rotate(-18deg)}.esp32-photo{position:relative;z-index:2;width:min(88%,560px);max-height:82%;object-fit:contain;transform:rotate(-8deg) translateY(8px);filter:drop-shadow(0 30px 34px rgba(0,0,0,.65))}.esp32-cutout{position:relative;width:min(75%,450px);aspect-ratio:1.38;transform:rotate(-7deg);filter:drop-shadow(0 30px 34px rgba(0,0,0,.65));z-index:2}.esp32-board{position:absolute;inset:8% 5%;background:linear-gradient(90deg,transparent 0 12%,rgba(0, 255, 221, 0.8) 12.4% 13%,transparent 13.4% 24%,rgba(0, 255, 170, 0.38) 24.4% 25%,transparent 25.4%),linear-gradient(0deg,transparent 0 18%,rgba(0, 255, 179, 0.45) 18.4% 19%,transparent 19.4% 43%,rgba(0, 255, 221, 0.45) 43.4% 44%,transparent 44.4%),#163b2a;border-radius:12px;border:1px solid rgba(255,255,255,.22);box-shadow:inset 0 0 0 2px rgba(0,0,0,.28),inset 0 0 35px rgba(0,0,0,.35)}.esp32-board:before{content:"ESP32";position:absolute;left:23%;top:39%;font:700 clamp(16px,2.4vw,28px)/1 Arial,sans-serif;letter-spacing:.14em;color:rgba(255,255,255,.76)}.esp32-board:after{content:"ASTREA / FLIGHT COMPUTER";position:absolute;left:23%;top:52%;font:600 clamp(7px,1vw,11px)/1 monospace;letter-spacing:.18em;color:rgba(0, 255, 179, 0.72)}.esp32-module{position:absolute;left:29%;top:23%;width:25%;height:49%;border-radius:5px;background:#22272a;border:1px solid rgba(255,255,255,.25);box-shadow:inset 0 0 18px rgba(0,0,0,.8)}.esp32-module:after{content:"";position:absolute;inset:9% 13%;background:repeating-linear-gradient(90deg,#a8aa9e 0 2px,transparent 2px 5px);opacity:.48}.esp32-pins{position:absolute;inset:5% 0;display:flex;justify-content:space-between}.esp32-pins span{width:4%;height:90%;background:repeating-linear-gradient(0deg,#b9b9ae 0 5px,transparent 5px 11px);opacity:.8}.esp32-label{position:absolute;bottom:9%;right:8%;font:600 9px/1 monospace;letter-spacing:.2em;color:rgba(255,255,255,.42)}.stage-caption{position:absolute;left:18px;right:18px;bottom:17px;display:flex;justify-content:space-between;gap:18px;z-index:3;color:#72777a;font:600 9px/1.4 monospace;letter-spacing:.12em}.stage-caption strong{color:var(--accent)}
.section{max-width:var(--max);margin:auto;padding:clamp(90px,12vw,170px) 28px}.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.intro h2,.roadmap h2,.mission-reason h2{font-size:clamp(42px,5.2vw,76px)}.intro-copy{max-width:720px}.intro-copy p{font-size:21px;color:#555b5e}
.program-banner{background:#111;color:#fff;padding:90px max(28px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}.program-banner h2{font-size:clamp(48px,6vw,84px);margin-top:16px}.program-banner p:last-child{max-width:650px;color:#9ba0a3;font-size:20px;align-self:end}
.project-feature{display:grid;grid-template-columns:1fr 1fr;min-height:720px}.project-feature.dark{background:var(--black);color:#fff}.project-image{min-height:520px;position:relative;overflow:hidden}.project-image.ic{background:radial-gradient(circle at 58% 44%,rgba(0, 255, 200, 0.13),transparent 23%),linear-gradient(135deg,#181c1e,#08090a)}.technical-lines{position:absolute;inset:15%;border:1px solid rgba(0, 255, 128, 0.16);transform:rotate(-9deg)}.technical-lines:before,.technical-lines:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.08)}.technical-lines:before{inset:12% 28%}.technical-lines:after{inset:25% 12%}.image-caption{position:absolute;left:26px;bottom:24px;font:700 9px monospace;letter-spacing:.13em;color:#707578}.project-info{padding:clamp(55px,7vw,100px);display:flex;flex-direction:column;justify-content:center}.project-info h2{font-size:clamp(48px,6vw,88px);margin:15px 0 20px}.project-info>p:not(.eyebrow){max-width:570px;color:#aeb2b5;font-size:18px}.spec-list{margin:40px 0;max-width:570px}.spec-list div{display:flex;justify-content:space-between;gap:30px;padding:13px 0;border-top:1px solid var(--dark-line);font:700 10px monospace}.spec-list dt{color:#707578}.spec-list dd{margin:0;text-align:right}.project-feature.jo{background:#fff}.project-feature.jo .project-info>p:not(.eyebrow){color:#555b5e}.project-feature.jo .spec-list div{border-color:var(--line)}.jo-img{background:#111;color:#fff}.star-field{position:absolute;inset:0;background-image:radial-gradient(#fff 0 1px,transparent 1px);background-size:67px 67px;opacity:.24}.light-curve{position:absolute;left:9%;right:9%;top:47%;height:2px;background:var(--accent);box-shadow:0 0 20px rgba(0, 255, 213, 0.3);transform:rotate(-5deg)}
.roadmap{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.roadmap-main{max-width:850px}.timeline{margin-top:55px}.timeline article{border-top:1px solid var(--line);padding:25px 0 28px;display:grid;grid-template-columns:140px 1fr;gap:20px}.timeline article span{font:700 10px monospace;color:#777}.timeline h3{font-size:25px;letter-spacing:-.025em}.timeline p{grid-column:2;margin:8px 0 0;color:#666}.timeline .current{border-color:#111}.timeline .current span{color:#009f92}
.statement{padding:clamp(100px,15vw,200px) 28px;text-align:center;background:var(--accent)}.statement h2{font-size:clamp(60px,9vw,130px);margin:20px auto 40px}.footer{padding:25px 28px;background:var(--black);color:#73787b;display:flex;justify-content:space-between;font:700 9px monospace;letter-spacing:.1em}.footer div{display:flex;gap:22px}
.page-hero{background:var(--black);color:#fff;padding:clamp(100px,13vw,180px) max(28px,calc((100vw - var(--max))/2));min-height:520px}.page-hero h1{font-size:clamp(58px,8vw,112px);margin:20px 0}.page-hero>p:last-child{max-width:650px;color:#aeb2b5;font-size:19px}.project-index{max-width:var(--max);margin:auto;padding:100px 28px}.index-card{display:grid;grid-template-columns:100px 1fr;padding:55px 0;border-top:1px solid var(--line)}.index-card:last-child{border-bottom:1px solid var(--line)}.index-no{font:700 10px monospace;color:#777}.index-card h2{font-size:clamp(45px,6vw,80px);margin:10px 0 15px}.index-card p:not(.eyebrow){max-width:650px;color:#5d6265}.detail-grid{max-width:var(--max);margin:auto;padding:120px 28px;display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.detail-grid h2{font-size:clamp(42px,5vw,70px)}.detail-grid p{font-size:19px;color:#555b5e;max-width:700px}.principles{display:grid;grid-template-columns:repeat(3,1fr);background:#111;color:#fff}.principles article{padding:65px 40px;border-right:1px solid var(--dark-line)}.principles article:last-child{border-right:0}.principles span{font:700 10px monospace;color:var(--accent)}.principles h3{font-size:30px;margin:30px 0 15px}.principles p{color:#94999c}.about-roadmap{background:#e2e3df;max-width:none;padding-left:max(28px,calc((100vw - var(--max))/2));padding-right:max(28px,calc((100vw - var(--max))/2))}.about-roadmap{display:grid;grid-template-columns:.8fr 1.2fr}.about-roadmap h2{font-size:60px;margin-bottom:20px}.about-roadmap p{max-width:680px;color:#555b5e}.mission-reason{max-width:var(--max);margin:auto;display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;padding:130px 28px}.reason-kicker{color:#008d6a;font:700 10px monospace;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}.reason-copy{max-width:760px;color:#555b5e;font-size:21px}.reason-copy em{color:#111;font-style:normal;font-weight:700}.discord-strip{max-width:var(--max);margin:0 auto 100px;padding:30px 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px}.discord-strip h3{font-size:32px;margin:8px 0 0}.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:900px){.hero-stage{position:relative;right:auto;bottom:auto;width:100%;height:420px;order:2}.hero{display:flex;flex-direction:column;align-items:stretch}.mission-reason,.program-banner{grid-template-columns:1fr}}
@media(max-width:800px){.site-header{padding:0 18px}.nav-toggle{display:block}.nav{position:absolute;display:none;left:0;right:0;top:74px;background:#08090a;padding:25px 20px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--dark-line)}.nav.is-open{display:flex}.hero{grid-template-columns:1fr;min-height:auto;padding-top:85px;padding-bottom:100px}.hero-graphic{height:420px;order:2}.hero-meta{bottom:20px;left:20px;right:20px}.intro,.roadmap,.detail-grid,.mission-reason,.about-roadmap{grid-template-columns:1fr}.project-feature{grid-template-columns:1fr}.project-feature .project-info{order:2}.project-image{min-height:400px}.principles{grid-template-columns:1fr}.principles article{border-right:0;border-bottom:1px solid var(--dark-line)}.footer{flex-direction:column;gap:18px}.index-card{grid-template-columns:55px 1fr}.discord-strip{align-items:flex-start;flex-direction:column}.statement{text-align:left}.hero h1{font-size:clamp(50px,14vw,78px)}.timeline article{grid-template-columns:1fr}.timeline p{grid-column:1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}