@font-face{font-family:"Bricolage";src:url(/fonts/BricolageGrotesque.ttf) format("truetype");font-weight:200 800;font-display:swap}
@font-face{font-family:"Geist";src:url(/fonts/Geist.ttf) format("truetype");font-weight:100 900;font-display:swap}
@font-face{font-family:"GeistMono";src:url(/fonts/GeistMono.ttf) format("truetype");font-weight:100 900;font-display:swap}
:root{--ink:#0A0B0D;--s1:#121316;--s2:#16181C;--fg:#F4F5F7;--mut:#9AA1AB;--dim:#6B7280;--lime:#D8E52F;--lime-s:rgba(216,229,47,.12);--hot:#FF6B4A;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
--d:"Bricolage",system-ui,sans-serif;--b:"Geist",system-ui,sans-serif;--m:"GeistMono",ui-monospace,monospace;--max:1240px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--ink);color:var(--fg);font-family:var(--b);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.055) 1px,transparent 1.2px);background-size:28px 28px;pointer-events:none;z-index:0}
body:after{content:"";position:fixed;left:-25vw;top:-40vh;width:90vw;height:90vh;background:radial-gradient(closest-side,rgba(216,229,47,.10),transparent);pointer-events:none;z-index:0}
.grain{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
main,footer,header{position:relative;z-index:2}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--m);letter-spacing:.14em;text-transform:uppercase;font-size:12px}
.lime{color:var(--lime)}
img{display:block;max-width:100%}
/* header */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:28px;height:68px;padding:0 max(24px,calc((100vw - var(--max))/2));background:rgba(10,11,13,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:14px}.brand img{height:22px;width:auto}
.brand .sep{width:1px;height:20px;background:var(--line2)}.brand .acad{font-family:var(--m);font-size:12px;letter-spacing:.24em;color:var(--mut)}
.nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--mut)}.nav a:hover{color:var(--fg)}
.pill{white-space:nowrap;display:inline-flex;align-items:center;gap:9px;height:32px;padding:0 14px;border:1px solid var(--line2);border-radius:16px;font-family:var(--m);font-size:11px;letter-spacing:.16em;color:#C9CED6}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}
/* hero */
.hero{position:relative;max-width:var(--max);margin:0 auto;padding:84px 24px 72px;display:grid;grid-template-columns:1fr 380px;gap:64px;align-items:center}
.crumbs{color:var(--dim);font-size:11px}.crumbs b{color:var(--lime);font-weight:400;margin:0 8px}
.eyebrow{display:flex;align-items:center;gap:10px;margin-top:34px;color:var(--lime)}
.dot{width:8px;height:8px;background:var(--lime);display:inline-block}
h1{font-family:var(--d);font-weight:600;font-size:clamp(44px,6.4vw,84px);line-height:.98;letter-spacing:-.035em;margin-top:16px;text-wrap:balance}
.lede{font-size:19px;color:#C9CED6;max-width:600px;margin-top:22px}
.tools{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tool{display:inline-flex;align-items:center;gap:10px;height:40px;padding:0 18px;border-radius:20px;background:var(--lime-s);border:1px solid rgba(216,229,47,.38);color:var(--lime);font-family:var(--m);font-size:13px;letter-spacing:.08em;transition:background .2s}
.tool:hover{background:rgba(216,229,47,.22)}.tdot{width:6px;height:6px;background:var(--lime)}
.meta{display:grid;grid-template-columns:repeat(4,auto);gap:28px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.meta dt{color:var(--dim);font-size:11px}.meta dd{font-size:15px;margin-top:6px}
.ctas{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;height:50px;padding:0 26px;border-radius:25px;font-weight:600;font-size:15px;transition:transform .15s,background .2s}
.btn:hover{transform:translateY(-1px)}.btn.lime{background:var(--lime);color:var(--ink)}.btn.ghost{border:1px solid var(--line2);color:var(--fg)}.btn.ghost:hover{background:rgba(255,255,255,.04)}
.prof-card{position:relative;background:linear-gradient(180deg,var(--s2),var(--s1));border:1px solid var(--line2);border-radius:24px;padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.pc-top{display:flex;justify-content:space-between;color:var(--dim);font-size:11px}
.pc-photo{margin-top:16px;border-radius:16px;overflow:hidden;aspect-ratio:1;position:relative;background:#1b1d22}
.pc-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(.15) contrast(1.03)}
.pc-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,11,13,.55));}
.pc-name{font-family:var(--d);font-size:30px;font-weight:600;letter-spacing:-.02em;margin-top:18px}
.pc-role{color:#C9CED6;font-size:14px;margin-top:4px}.pc-role span{color:var(--dim)}
.pc-quote{margin-top:16px;padding:14px 16px;border-left:3px solid var(--lime);background:rgba(255,255,255,.03);border-radius:4px 12px 12px 4px;font-size:15px;color:#DADDE2}
.pc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;color:var(--dim)}.pc-foot b{color:var(--fg);font-weight:500;letter-spacing:.08em}
.nodes{position:absolute;right:-60px;bottom:-30px;width:520px;opacity:.5;pointer-events:none;z-index:-1}
/* sections */
section{scroll-margin-top:84px}
.classroom,.episodes,.toolkit,.professor{max-width:var(--max);margin:0 auto;padding:72px 24px}
.sec-h{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:30px}
.sec-h .num{color:var(--lime)}
h2{font-family:var(--d);font-size:clamp(32px,4vw,48px);font-weight:600;letter-spacing:-.03em}
.sec-sub{color:var(--mut);flex-basis:100%;margin-top:-4px}
.prog{margin-left:auto;min-width:280px}.prog-t{display:flex;justify-content:space-between;color:var(--mut);font-size:11px}
.prog-bar{position:relative;height:6px;background:rgba(255,255,255,.08);border-radius:3px;margin-top:10px;overflow:hidden}
.prog-bar i{position:absolute;inset:0 auto 0 0;background:rgba(216,229,47,.22);width:0;transition:width .6s}
.prog-bar b{position:absolute;inset:0 auto 0 0;background:var(--lime);width:0;z-index:1;transition:width .6s;box-shadow:0 0 12px rgba(216,229,47,.6)}
.room{display:grid;grid-template-columns:1fr 360px;gap:24px}
.stage{min-width:0}
.player{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;background:#000;border:1px solid var(--line2);box-shadow:0 40px 100px rgba(0,0,0,.5)}
.player video{width:100%;height:100%;display:block;background:#000}
.soon-ov{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;background:radial-gradient(circle at 30% 20%,rgba(216,229,47,.12),transparent 60%),#0d0e11}
.soon-ov[hidden]{display:none}.soon-ov .mono{color:var(--lime)}.so-t{font-family:var(--d);font-size:clamp(22px,3vw,36px);font-weight:600;margin-top:12px;max-width:620px;letter-spacing:-.02em}.so-s{color:var(--mut);margin-top:8px}
.now{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;margin-top:22px;padding:24px;background:var(--s1);border:1px solid var(--line);border-radius:18px}
.now-ep{color:var(--lime)}.now h3{font-family:var(--d);font-size:28px;font-weight:600;letter-spacing:-.02em;margin-top:6px;line-height:1.15}.now p{color:var(--mut);margin-top:8px}
.now-r{border-left:1px solid var(--line);padding-left:24px}.now-r .k{color:var(--dim)}.rule{font-family:var(--d);font-size:20px;line-height:1.3;margin-top:8px}
.chapters{display:flex;gap:8px;margin-top:14px;list-style:none;flex-wrap:wrap}
.chapters li{flex:1;min-width:110px;font-size:10.5px;color:var(--dim)}.chapters li:before{content:"";display:block;height:2px;background:rgba(255,255,255,.12);margin-bottom:10px}
.chapters li.on{color:var(--fg)}.chapters li.on:before{background:var(--lime)}
.playlist{background:var(--s1);border:1px solid var(--line);border-radius:20px;padding:10px;align-self:start;position:sticky;top:88px}
.pl-h{display:flex;justify-content:space-between;padding:12px 12px 14px;color:var(--dim);font-size:11px;border-bottom:1px solid var(--line);margin-bottom:6px}
.playlist ol{list-style:none}
.pl{display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;width:100%;padding:12px;border-radius:12px;background:none;border:1px solid transparent;color:var(--fg);text-align:left;cursor:pointer;font:inherit}
.pl:hover{background:rgba(255,255,255,.03)}.pl.cur{background:#16180f;border-color:rgba(216,229,47,.4)}
.pl .n{font-family:var(--m);font-size:12px;color:var(--dim)}.pl.cur .n{color:var(--lime)}
.pl .t{font-size:14px;font-weight:500;line-height:1.3}.pl .s{font-family:var(--m);font-size:10px;letter-spacing:.12em;color:var(--dim);margin-top:4px;text-transform:uppercase}
.pl .st{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;font-size:11px;color:var(--ink)}
.pl .st.done{background:var(--lime);border-color:var(--lime)}.pl .st.part{border-color:var(--lime)}.pl .st.lock{border-style:dashed}
.pl.soon .t{color:var(--mut)}
/* grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;display:flex;flex-direction:column;background:var(--s1);border:1px solid var(--line);border-radius:20px;overflow:hidden;cursor:pointer;transition:transform .2s,border-color .2s;text-align:left;color:var(--fg);font:inherit;padding:0}
.card:hover{transform:translateY(-3px);border-color:rgba(216,229,47,.45)}
.thumb{position:relative;aspect-ratio:16/9;background:#0d0e11;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .ph{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;background-image:radial-gradient(circle,rgba(255,255,255,.07) 1px,transparent 1.2px),radial-gradient(circle at 20% 0%,rgba(216,229,47,.14),transparent 60%);background-size:18px 18px,100% 100%}
.thumb .ph b{font-family:var(--d);font-size:64px;line-height:1;color:rgba(216,229,47,.9);letter-spacing:-.04em}
.thumb .badge{position:absolute;top:12px;left:12px;height:26px;padding:0 10px;border-radius:13px;display:flex;align-items:center;gap:7px;font-family:var(--m);font-size:10px;letter-spacing:.14em;background:rgba(10,11,13,.75);border:1px solid var(--line2);backdrop-filter:blur(6px)}
.badge.live{color:var(--lime);border-color:rgba(216,229,47,.45)}.badge.live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.thumb .play{position:absolute;right:14px;bottom:14px;width:46px;height:46px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:15px;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.thumb .dur{position:absolute;right:12px;top:12px;font-family:var(--m);font-size:11px;background:rgba(10,11,13,.75);padding:3px 8px;border-radius:6px}
.thumb .wbar{position:absolute;left:0;bottom:0;height:3px;background:var(--lime);width:0}
.cbody{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.cbody .mono{color:var(--dim);font-size:11px}.cbody h3{font-family:var(--d);font-size:21px;font-weight:600;line-height:1.2;letter-spacing:-.015em;margin-top:8px}
.cbody p{color:var(--mut);font-size:14px;margin-top:8px;flex:1}
.cbody .rl{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:#C9CED6}.cbody .rl span{font-family:var(--m);font-size:10px;letter-spacing:.14em;color:var(--lime);display:block;margin-bottom:4px}
/* toolkit */
.tk{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tk-c{background:var(--s1);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column}
.tk-n{color:var(--dim);font-size:10.5px}.tk-c h3{font-family:var(--d);font-size:28px;font-weight:600;letter-spacing:-.02em;margin-top:12px;color:var(--lime)}
.tk-c p{color:var(--mut);font-size:14px;margin-top:10px;flex:1}.tk-e{margin-top:18px;font-size:10.5px;color:#C9CED6}
.tk-c:target{border-color:var(--lime)}
.flow{display:flex;align-items:center;gap:12px;margin-top:28px;color:var(--mut);font-size:11px;flex-wrap:wrap}.flow i{flex:1;min-width:20px;height:1px;background:linear-gradient(90deg,rgba(216,229,47,.6),rgba(216,229,47,.1))}
/* professor */
.pf{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:center;background:var(--s1);border:1px solid var(--line);border-radius:24px;padding:32px}
.pf img{border-radius:18px;aspect-ratio:1;object-fit:cover;width:100%}
.pf-n{font-family:var(--d);font-size:40px;font-weight:600;letter-spacing:-.03em}.pf-r{color:var(--lime);font-size:11px;margin-top:6px}
.pf p{color:#C9CED6;font-size:17px;margin-top:18px;max-width:720px}.pf .pf-note{color:var(--dim);font-size:14px}
.foot{max-width:var(--max);margin:40px auto 0;padding:34px 24px 48px;border-top:1px solid var(--line);display:flex;gap:32px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.f-l{display:flex;flex-direction:column;gap:12px}.f-l img{height:20px;width:auto}.f-l .mono{color:var(--dim);font-size:10.5px}
.f-r{max-width:560px;color:var(--dim);font-size:10.5px;line-height:1.8;text-transform:none;letter-spacing:.04em}
/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}.rv.in{opacity:1;transform:none}
@media (max-width:1080px){.hero{grid-template-columns:1fr;gap:40px}.prof-card{max-width:420px}.room{grid-template-columns:1fr}.playlist{position:static}.grid{grid-template-columns:repeat(2,1fr)}.tk{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.top{gap:12px;padding:0 16px}.brand .sep,.brand .acad{display:none}.pill{font-size:10px;padding:0 10px}.nav{display:none}.pill{margin-left:auto}.hero{padding:44px 20px 40px}.lede{font-size:17px}.meta{grid-template-columns:1fr 1fr;gap:18px}.grid,.tk{grid-template-columns:1fr}.now{grid-template-columns:1fr}.now-r{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}.pf{grid-template-columns:1fr;padding:22px}.pf img{max-width:220px}.classroom,.episodes,.toolkit,.professor{padding:48px 20px}.prog{min-width:100%;margin-left:0}.chapters li{min-width:70px}.brand img{height:18px}.nodes{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}

.signin{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:18px;background:var(--lime);color:var(--ink);font-weight:600;font-size:14px;white-space:nowrap;transition:transform .15s,filter .2s}.signin:hover{transform:translateY(-1px);filter:brightness(1.05)}
@media (max-width:680px){.signin{height:32px;padding:0 14px;font-size:13px}}