*{box-sizing:border-box}body{margin:0;min-width:320px;overflow-x:hidden;color:var(--obs-text);background:radial-gradient(circle at 82% 5%,rgba(50,119,140,.14),transparent 30%),radial-gradient(circle at 8% 46%,rgba(36,112,82,.08),transparent 27%),var(--obs-night-950);font-family:var(--obs-font-sans,'Manrope',system-ui,sans-serif)}a{color:inherit}.home-stars{position:fixed;z-index:-1;inset:0;opacity:.2;pointer-events:none;background-image:radial-gradient(circle,rgba(224,250,244,.75) 0 1px,transparent 1.3px);background-size:131px 131px}.home-stars i{position:absolute;width:3px;height:3px;border-radius:50%;background:#e9fff8;box-shadow:0 0 14px var(--obs-mint)}.home-stars i:nth-child(1){left:11%;top:20%}.home-stars i:nth-child(2){right:15%;top:28%}.home-stars i:nth-child(3){left:62%;top:64%}.home-stars i:nth-child(4){right:6%;top:82%}
.home-main{width:min(1220px,calc(100% - 40px));margin:auto}.home-hero{min-height:calc(100svh - 72px);padding:clamp(68px,8vw,118px) 0 80px;display:grid;grid-template-columns:1fr minmax(400px,.82fr);align-items:center;gap:clamp(52px,8vw,112px)}.home-hero h1{max-width:710px;margin:22px 0;font-size:clamp(52px,7vw,91px);line-height:.91;letter-spacing:-.068em}.home-hero h1 em,.about-card h2 em{color:var(--obs-mint);font-style:normal;font-weight:520}.home-hero__copy>p:not(.obs-eyebrow){max-width:620px;margin:0;color:var(--obs-muted);font-size:clamp(14px,1.35vw,17px);line-height:1.75}.home-hero__actions{margin-top:31px;display:flex;gap:9px;flex-wrap:wrap}.button{min-height:54px;padding:0 19px;display:inline-flex;align-items:center;justify-content:space-between;gap:32px;border-radius:13px;text-decoration:none;font-size:11px;font-weight:800}.button--primary{color:#04110d;background:linear-gradient(135deg,#b7ecd9,#82d4c2);box-shadow:0 17px 45px rgba(90,199,164,.13)}.button--quiet{border:1px solid var(--obs-line-strong);color:#bed4d5;background:rgba(8,23,33,.7)}.home-facts{max-width:530px;margin:37px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--obs-line);list-style:none}.home-facts li{min-height:72px;padding:13px 16px;display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--obs-line)}.home-facts li:first-child{padding-left:0;border-left:0}.home-facts b{font:500 18px 'DM Mono',monospace}.home-facts span{color:#6f8891;font-size:9px;font-weight:700}
.home-hero__visual{overflow:hidden;border:1px solid var(--obs-line-strong);border-radius:28px;background:linear-gradient(150deg,rgba(12,33,44,.94),rgba(4,13,21,.98));box-shadow:0 36px 95px rgba(0,0,0,.38)}.sky-instrument{position:relative;min-height:470px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(rgba(139,201,216,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(139,201,216,.035) 1px,transparent 1px),radial-gradient(circle,rgba(62,145,139,.12),transparent 54%);background-size:54px 54px,54px 54px,auto}.orbit{position:absolute;border:1px solid rgba(157,220,216,.19);border-radius:50%}.orbit--one{width:65%;aspect-ratio:1}.orbit--two{width:43%;aspect-ratio:1;transform:rotateX(67deg)}.axis{position:absolute;width:72%;height:1px;background:linear-gradient(90deg,transparent,var(--obs-mint),transparent);transform:rotate(-24deg);opacity:.44}.sky-instrument i{position:absolute;width:7px;height:7px;border-radius:50%;background:#eafff8;box-shadow:0 0 15px var(--obs-mint)}.p1{left:24%;top:31%}.p2{right:26%;top:27%}.p3{right:20%;bottom:28%}.p4{left:31%;bottom:21%}.sky-instrument strong{z-index:1;color:var(--obs-mint);font:500 18px 'DM Mono',monospace;letter-spacing:.04em}.sky-instrument small{position:absolute;right:18px;bottom:16px;color:#57717c;font:500 8px 'DM Mono',monospace;letter-spacing:.09em}.visual-caption{min-height:76px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--obs-line);font:600 8px 'DM Mono',monospace;letter-spacing:.1em}.visual-caption span{color:#617e88}.visual-caption b{color:#9bc2be}
.home-section{padding:clamp(76px,9vw,118px) 0;border-top:1px solid var(--obs-line)}.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.48fr);align-items:end;gap:48px}.section-head>div>p{margin:0;color:#68858e;font:650 8px 'DM Mono',monospace;letter-spacing:.12em}.section-head h2{max-width:760px;margin:13px 0 0;font-size:clamp(38px,5.5vw,65px);line-height:.98;letter-spacing:-.056em}.section-head>p{margin:0;color:var(--obs-muted);font-size:12px;line-height:1.7}.section-head--row{grid-template-columns:1fr auto}.section-head>a{min-height:44px;padding:0 2px;display:flex;align-items:center;color:var(--obs-mint);text-decoration:none;font-size:11px;font-weight:800}
.marathon-grid{margin-top:34px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.marathon-card{min-height:450px;padding:26px;display:flex;flex-direction:column;border:1px solid var(--obs-line);border-radius:24px;color:inherit;background:linear-gradient(150deg,rgba(13,34,45,.94),rgba(5,16,24,.96));text-decoration:none;transition:transform .18s,border-color .18s}.marathon-card:hover,.category-card:hover,.essential-card:hover{transform:translateY(-3px);border-color:var(--obs-line-strong)}.marathon-card--games{background:radial-gradient(circle at 82% 14%,rgba(88,177,151,.15),transparent 34%),linear-gradient(150deg,rgba(13,36,42,.96),rgba(5,16,24,.98))}.marathon-card--messier{background:radial-gradient(circle at 80% 12%,rgba(84,147,190,.16),transparent 34%),linear-gradient(150deg,rgba(11,31,45,.96),rgba(5,16,24,.98))}.marathon-card__meta{display:flex;align-items:center;justify-content:space-between;color:#6f8991;font:600 8px 'DM Mono',monospace;letter-spacing:.11em}.marathon-card__meta b{color:#c8dcd9;font-size:14px;letter-spacing:0}.marathon-card__meta i{color:#6f8991;font-size:8px;font-style:normal}.marathon-card>div:nth-child(2){margin:auto 0}.marathon-mark{width:70px;height:70px;margin-bottom:22px;display:grid;place-items:center;border:1px solid var(--obs-line-strong);border-radius:50%;color:var(--obs-mint);background:rgba(145,230,194,.06);font:500 19px 'DM Mono',monospace}.marathon-card h3{margin:0 0 13px;font-size:clamp(30px,4vw,48px);line-height:1;letter-spacing:-.05em}.marathon-card p{max-width:530px;margin:0;color:var(--obs-muted);font-size:12px;line-height:1.7}.marathon-card footer{padding-top:21px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--obs-line);color:#bad5d1;font-size:10px;font-weight:800}
.category-grid{margin-top:32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.category-card{min-height:310px;padding:21px;display:flex;flex-direction:column;border:1px solid var(--obs-line);border-radius:19px;background:linear-gradient(155deg,rgba(11,30,42,.91),rgba(6,18,27,.94));text-decoration:none;transition:transform .18s,border-color .18s}.category-card>div{display:flex;align-items:center;justify-content:space-between;color:#63808a;font:600 8px 'DM Mono',monospace}.category-card>div b{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--obs-line);border-radius:50%;color:var(--obs-mint);font-size:12px}.category-card h3{margin:auto 0 10px;font-size:24px;letter-spacing:-.035em}.category-card>p{min-height:58px;margin:0;color:var(--obs-muted);font-size:10px;line-height:1.65}.category-card footer{margin-top:20px;padding-top:15px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--obs-line);color:#a9c9c4;font-size:9px;font-weight:750}
.essential-grid{margin-top:34px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}.essential-card{min-height:180px;padding:19px;display:flex;flex-direction:column;gap:16px;border:1px solid var(--obs-line);border-radius:18px;background:rgba(7,21,31,.78);text-decoration:none;transition:transform .18s,border-color .18s}.essential-card:first-child,.essential-card:nth-child(2){grid-column:span 3}.essential-card:nth-child(n+3){grid-column:span 2}.essential-card>span{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;color:var(--obs-mint);background:rgba(145,230,194,.08)}.essential-card h3{margin:0 0 7px;font-size:18px}.essential-card p{margin:0;color:var(--obs-muted);font-size:10px;line-height:1.6}.essential-card>b{margin-top:auto;align-self:end;color:#6e8991}
.final-section{display:grid;grid-template-columns:1fr 1fr;gap:13px}.about-card,.install-card{min-height:470px;padding:clamp(25px,4vw,42px);border:1px solid var(--obs-line);border-radius:25px;background:linear-gradient(150deg,rgba(11,29,41,.94),rgba(5,16,24,.96))}.about-card{display:flex;flex-direction:column}.about-card h2{margin:20px 0;font-size:clamp(36px,5vw,59px);line-height:.98;letter-spacing:-.055em}.about-card>p:not(.obs-eyebrow){margin:0;color:var(--obs-muted);font-size:12px;line-height:1.75}.about-links{margin-top:auto;padding-top:27px;display:flex;gap:9px;flex-wrap:wrap}.about-links a{min-height:46px;padding:0 15px;display:flex;align-items:center;border:1px solid var(--obs-line-strong);border-radius:12px;color:#b6d4d0;text-decoration:none;font-size:10px;font-weight:750}.install-card{display:flex;flex-direction:column;background:radial-gradient(circle at 84% 12%,rgba(105,203,166,.15),transparent 34%),linear-gradient(150deg,rgba(13,35,39,.96),rgba(5,16,24,.98))}.install-symbol{position:relative;width:84px;height:84px;margin-bottom:24px;display:grid;place-items:center;border:1px solid var(--obs-line-strong);border-radius:24px;color:var(--obs-mint);background:rgba(145,230,194,.07);font-size:27px}.install-symbol i{position:absolute;right:11px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--obs-mint);box-shadow:0 0 10px var(--obs-mint)}.install-card h2{max-width:510px;margin:16px 0 12px;font-size:clamp(33px,4.5vw,52px);line-height:1;letter-spacing:-.05em}.install-card>p:not(.obs-eyebrow){margin:0;color:var(--obs-muted);font-size:12px;line-height:1.7}.install-card button{min-height:54px;margin-top:auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border:0;border-radius:13px;color:#04110d;background:linear-gradient(135deg,#b7ecd9,#82d4c2);cursor:pointer;font-weight:850}.install-card>small{margin-top:11px;color:#637e87;font-size:8px;line-height:1.5}.home-footer{min-height:90px;padding:0 max(22px,env(safe-area-inset-right)) calc(env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--obs-line);color:#5f7881;font:550 8px 'DM Mono',monospace;letter-spacing:.09em}
@media(max-width:1024px){.home-hero{min-height:0;grid-template-columns:1fr}.home-hero__visual{width:min(720px,100%);margin:auto}.marathon-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.essential-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.essential-card:first-child,.essential-card:nth-child(2),.essential-card:nth-child(n+3){grid-column:auto}.final-section{grid-template-columns:1fr}.about-card,.install-card{min-height:410px}}
@media(max-width:680px){body{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.home-main{width:calc(100% - 24px)}.home-hero{padding:49px 0 66px;gap:42px}.home-hero h1{font-size:clamp(45px,14vw,64px)}.home-hero__actions{display:grid}.button{width:100%}.home-facts li{padding:12px 8px}.sky-instrument{min-height:340px}.home-section{padding:67px 0}.section-head,.section-head--row{grid-template-columns:1fr;gap:15px}.section-head h2{font-size:clamp(36px,11vw,50px)}.marathon-card{min-height:390px;padding:21px}.category-grid,.essential-grid{grid-template-columns:1fr}.category-card{min-height:245px}.about-card,.install-card{min-height:450px;padding:23px}.home-footer{display:none}}
@media(max-width:390px){.home-hero h1{font-size:44px}.home-facts b{font-size:15px}.home-facts span{font-size:8px}.sky-instrument{min-height:300px}.marathon-card h3{font-size:31px}}
@media(prefers-reduced-motion:reduce){.marathon-card,.category-card,.essential-card{transition:none}}