@font-face{font-family:Space Grotesk;src:url(/assets/fonts/space-grotesk-var-latin.woff2) format("woff2");font-weight:300 700;font-display:swap}@font-face{font-family:IBM Plex Mono;src:url(/assets/fonts/ibm-plex-mono-400-latin.woff2) format("woff2");font-weight:400;font-display:swap}@font-face{font-family:IBM Plex Mono;src:url(/assets/fonts/ibm-plex-mono-600-latin.woff2) format("woff2");font-weight:600;font-display:swap}:root{color-scheme:dark;--ink: #0c1310;--pine: #12211a;--chalk: #edf2ea;--muted: #9cb0a1;--gold: #d9a441;--turf: #57a773;--line: rgba(237, 242, 234, .14);--line-soft: rgba(237, 242, 234, .08);--font-body: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--max: 1160px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--ink);color:var(--chalk);font-family:var(--font-body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}h1,h2,h3{font-weight:600;line-height:1.12;letter-spacing:-.015em}h2{font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:24ch}p{color:var(--muted);max-width:62ch}a{color:inherit}::selection{background:var(--gold);color:var(--ink)}:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:2rem;padding:.85rem clamp(1rem,4vw,2.5rem);background:#0c1310db;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}.brand{font-size:1.15rem;text-decoration:none;letter-spacing:.01em;display:flex;gap:.3rem;align-items:baseline}.brand span{font-family:var(--font-mono);font-weight:600;color:var(--gold)}.brand strong{font-weight:600}.site-header nav{display:flex;gap:1.4rem;margin-left:auto}.site-header nav a{text-decoration:none;color:var(--muted);font-size:.95rem;transition:color .12s ease}.site-header nav a:hover{color:var(--chalk)}.button{display:inline-block;font-family:var(--font-mono);font-weight:600;font-size:.86rem;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;padding:.78rem 1.35rem;border:1px solid transparent;transition:background .13s ease,border-color .13s ease,color .13s ease}.button-primary{background:var(--gold);color:var(--ink)}.button-primary:hover{background:#e7b657}.button-secondary{border-color:var(--line);color:var(--chalk)}.button-secondary:hover{border-color:var(--chalk)}.header-cta{padding:.55rem 1rem;font-size:.78rem}.hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:flex-end;overflow:hidden}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0c13108c,#0c13101a 34%,#0c1310e0 82%),linear-gradient(90deg,#0c13108c,#0c131000 55%)}.hero-tracer{position:absolute;right:0;bottom:0;left:0;width:100%;height:min(42vw,100%);z-index:2;pointer-events:none}.tracer-line{fill:none;stroke:var(--chalk);stroke-width:2.2;stroke-linecap:round;opacity:.85;stroke-dasharray:1400;stroke-dashoffset:1400;animation:tracer-draw 2.1s cubic-bezier(.5,0,.3,1) .35s forwards}.tracer-apex{fill:var(--gold);opacity:0;animation:tracer-pop .4s ease 1.55s forwards}.tracer-landing{fill:var(--turf);opacity:0;animation:tracer-pop .4s ease 2.2s forwards}.tracer-label{font-family:var(--font-mono);font-size:15px;fill:var(--gold);opacity:0;animation:tracer-pop .4s ease 1.7s forwards}@keyframes tracer-draw{to{stroke-dashoffset:0}}@keyframes tracer-pop{to{opacity:1}}.hero-chyron{position:relative;z-index:3;margin:0 auto;width:min(var(--max),100%);padding:0 clamp(1rem,4vw,2.5rem) clamp(2.2rem,5vh,4rem)}.chyron-tag{display:inline-block;font-family:var(--font-mono);font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);border-left:3px solid var(--gold);padding-left:.65rem;margin-bottom:1rem}.hero h1{font-size:clamp(2.2rem,5.4vw,4rem);max-width:15ch;margin-bottom:1rem}.hero h1 em{font-style:normal;color:var(--turf)}.hero-sub{color:var(--chalk);opacity:.82;max-width:52ch;margin-bottom:1.6rem}.hero-stats{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.8rem}.stat-chip{border:1px solid var(--line);background:#0c1310b8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:.5rem .85rem;min-width:7.2rem}.stat-label{display:block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.15rem}.stat-value{font-family:var(--font-mono);font-weight:600;font-size:1.05rem}.stat-value em{font-style:normal;font-size:.72rem;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}.ticker{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem 2.6rem;padding:.9rem clamp(1rem,4vw,2.5rem);background:var(--pine);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.ticker-item strong{color:var(--gold);font-weight:600;margin-right:.35rem}.section{width:min(var(--max),100%);margin:0 auto;padding:clamp(3.4rem,8vh,6rem) clamp(1rem,4vw,2.5rem) 0}.section-label{font-family:var(--font-mono);font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);border-left:3px solid var(--gold);padding-left:.65rem;margin-bottom:.9rem}.section-intro{margin-bottom:2.4rem}.section-intro h2{margin-bottom:.9rem}.section-intro.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:2rem;align-items:end}.section-intro.split h2{margin-bottom:0}[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}[data-reveal].is-visible{opacity:1;transform:none}.physics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-bottom:2rem}.panel{background:var(--pine);padding:1.5rem}.panel h3{font-size:1.02rem;margin-bottom:.55rem}.panel p{font-size:.92rem}.telemetry-lab{border:1px solid var(--line-soft);background:var(--pine)}.lab-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--line-soft)}.lab-header h3{font-size:1rem}.segmented{display:flex;border:1px solid var(--line)}.segmented button{font-family:var(--font-mono);font-size:.78rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;background:none;border:none;color:var(--muted);padding:.45rem 1.1rem;cursor:pointer}.segmented button.active{background:var(--gold);color:var(--ink)}.lab-body{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:1.5rem;padding:1.5rem;align-items:center}.lab-body svg{width:100%;height:auto}.grid-line{stroke:var(--line-soft);stroke-width:1}.flight-path{fill:none;stroke:var(--chalk);stroke-width:2;stroke-linecap:round}.apex-dot{fill:var(--gold)}.landing-dot{fill:var(--turf)}.chart-label{font-family:var(--font-mono);font-size:10px;fill:var(--muted)}.telemetry-readout{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 1.2rem}.telemetry-readout dt{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.1rem}.telemetry-readout dd{font-family:var(--font-mono);font-weight:600;font-size:1.05rem}.telemetry-readout dd span{font-size:.72rem;color:var(--muted)}.course-board{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:2rem;align-items:start}.leaderboard{width:100%;border-collapse:collapse;border:1px solid var(--line-soft);background:var(--pine)}.leaderboard th{font-family:var(--font-mono);font-size:.66rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--line)}.leaderboard th.num{text-align:right}.leaderboard td{padding:.72rem 1rem;border-bottom:1px solid var(--line-soft);font-size:.95rem}.leaderboard tr:last-child td{border-bottom:none}.leaderboard .pos{font-family:var(--font-mono);font-weight:600;color:var(--gold);width:3rem}.leaderboard .num{font-family:var(--font-mono);font-weight:600;text-align:right;width:6rem}.leaderboard .region{font-weight:600}.leaderboard .profile-col{color:var(--muted);font-size:.88rem}.terrain-panel{border:1px solid var(--line-soft);background:var(--pine);padding:1.5rem}.terrain-panel h3{font-size:1rem;margin-bottom:1rem}.terrain-list{list-style:none;display:grid;gap:.55rem;margin-bottom:1.2rem}.terrain-list li{display:grid;grid-template-columns:6.2rem 1fr 2.2rem;align-items:center;gap:.7rem;font-size:.9rem}.terrain-list strong{font-family:var(--font-mono);font-weight:600;text-align:right;color:var(--chalk)}.terrain-bar{height:6px;background:var(--line-soft);overflow:hidden}.terrain-bar i{display:block;height:100%;background:var(--turf)}.provenance{font-size:.82rem;color:var(--muted)}.split-media{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:2.4rem;align-items:center}.split-media figure img{border:1px solid var(--line-soft)}.split-media figcaption{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:.6rem}.split-media h2{margin-bottom:1rem}.split-media p+p{margin-top:.8rem}.room-chip{display:inline-block;font-family:var(--font-mono);font-weight:600;font-size:.66em;letter-spacing:.28em;color:var(--gold);border:1px solid var(--gold);padding:.18em .5em .18em .72em;vertical-align:.14em;margin-left:.35rem}.rules-panel{border:1px solid var(--line-soft);background:var(--pine);padding:1.6rem}.rules-panel h3{font-size:1rem;margin-bottom:1.1rem}.rules-panel dl{display:grid;gap:.85rem}.rules-panel dt{font-family:var(--font-mono);font-size:.64rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:.12rem}.rules-panel dd{font-size:.92rem;color:var(--chalk)}.modes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}.mode-card{border:1px solid var(--line-soft);background:var(--pine)}.mode-card img{width:100%;aspect-ratio:16 / 9;object-fit:cover;border-bottom:1px solid var(--line-soft)}.mode-card>div{padding:1.3rem 1.5rem 1.5rem}.mode-card h3{font-size:1.05rem;margin-bottom:.5rem}.mode-card p{font-size:.92rem}.connect-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}.connect-panel>div{background:var(--pine);padding:1.5rem;display:grid;gap:.3rem}.connect-panel strong{font-size:1rem}.connect-panel span{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.04em;color:var(--muted)}.final-cta{width:min(var(--max),100%);margin:0 auto;padding:clamp(4rem,10vh,7rem) clamp(1rem,4vw,2.5rem);text-align:center;display:grid;justify-items:center;gap:1.4rem}.final-cta .section-label{border-left:none;border-bottom:3px solid var(--gold);padding:0 0 .4rem;margin-bottom:0}.final-cta h2{max-width:24ch}.site-footer{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;width:min(var(--max),100%);margin:0 auto;padding:1.4rem clamp(1rem,4vw,2.5rem);border-top:1px solid var(--line-soft);font-family:var(--font-mono);font-size:.76rem;letter-spacing:.05em;color:var(--muted)}.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--chalk)}@media(max-width:960px){.section-intro.split,.course-board,.split-media{grid-template-columns:minmax(0,1fr)}.physics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-body{grid-template-columns:minmax(0,1fr)}.site-header nav{display:none}}@media(max-width:640px){.physics-grid,.modes-grid,.connect-panel{grid-template-columns:minmax(0,1fr)}.hero{min-height:min(88vh,720px)}.leaderboard .profile-col{display:none}.leaderboard th,.leaderboard td{padding:.6rem}.leaderboard .pos{width:2rem}.leaderboard .num{width:3.4rem}.hero-sub,.hero h1{max-width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-reveal]{opacity:1;transform:none;transition:none}.tracer-line{animation:none;stroke-dashoffset:0}.tracer-apex,.tracer-label{animation:none;opacity:1}}