:root{
  --ground:#F3F4F5; --surface:#FFFFFF; --surface-2:#EAECEE; --surface-3:#DFE2E5;
  --ink:#0B0D10; --ink-2:#4B535B; --ink-3:#7D858D;
  --line:#DDE0E3; --line-2:#E9EBED;
  --accent:#C2202C; --accent-ink:#FFFFFF; --link:#12467F;
  --disp:'Archivo',system-ui,-apple-system,sans-serif;
  --body:'Instrument Sans',system-ui,-apple-system,sans-serif;
  --ui:'Instrument Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,monospace;
  --maxw:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  color-scheme:dark;
  --ground:#0A0B0D; --surface:#121417; --surface-2:#1A1D21; --surface-3:#23272C;
  --ink:#F2F4F6; --ink-2:#A8B0B8; --ink-3:#767E86;
  --line:#22262B; --line-2:#1A1E22;
  --accent:#FF5C69; --accent-ink:#0B0D10; --link:#8FBDF5;
}}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#0A0B0D; --surface:#121417; --surface-2:#1A1D21; --surface-3:#23272C;
  --ink:#F2F4F6; --ink-2:#A8B0B8; --ink-3:#767E86;
  --line:#22262B; --line-2:#1A1E22;
  --accent:#FF5C69; --accent-ink:#0B0D10; --link:#8FBDF5;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ground);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{font-family:var(--disp);text-wrap:balance;margin:0;letter-spacing:-.03em;font-weight:800}
a{color:var(--link);text-underline-offset:3px}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---------- nav ---------- */
.nav{background:var(--ink);color:var(--ground);position:relative;z-index:30}
.nav .wrap{display:flex;align-items:center;gap:26px;padding-block:15px;flex-wrap:wrap}
.brand{font-family:var(--disp);font-weight:800;font-size:19px;letter-spacing:-.04em;color:var(--ground);text-decoration:none;white-space:nowrap}
.brand span{color:var(--accent)}
.navlinks{display:flex;gap:20px;flex-wrap:wrap;margin-left:auto}
.navlinks a{font-family:var(--ui);font-size:13.5px;font-weight:500;letter-spacing:-.005em;color:var(--ground);text-decoration:none;opacity:.7;transition:opacity .15s var(--ease)}
.navlinks a:hover,.navlinks a[aria-current]{opacity:1}
.navlinks a[aria-current]{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px}

/* ---------- crumb ---------- */
.crumb{font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);padding-block:20px 0}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--ink)}

/* ---------- big hero ---------- */
.bighero{position:relative;background:#0B0D10;color:#fff;overflow:hidden;isolation:isolate}
.bighero .bg{position:absolute;inset:0;z-index:-2}
.bighero .bg img{width:100%;height:100%;object-fit:cover;object-position:center 38%;opacity:.5}
.bighero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(11,13,16,.96) 0%,rgba(11,13,16,.82) 46%,rgba(11,13,16,.35) 100%)}
.bighero .inner{max-width:var(--maxw);margin:0 auto;padding:clamp(56px,9vw,104px) 24px clamp(40px,6vw,64px)}
.bighero h1{font-size:clamp(40px,7.4vw,84px);line-height:.98;letter-spacing:-.045em;max-width:15ch;color:#fff}
.bighero .lede{margin-top:20px;font-size:clamp(17px,2.1vw,20px);line-height:1.45;color:rgba(255,255,255,.76);max-width:50ch}
.bighero .by{margin-top:24px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.bighero .by a{color:rgba(255,255,255,.8)}
.herostats{display:flex;gap:34px;flex-wrap:wrap;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.herostats div{display:flex;flex-direction:column;gap:3px}
.herostats b{font-family:var(--disp);font-size:26px;font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1}
.herostats span{font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:rgba(255,255,255,.52)}

/* ---------- page hero (inner pages) ---------- */
.hero{padding-block:clamp(36px,5vw,58px) 26px}
.hero h1{font-size:clamp(32px,5.6vw,54px);line-height:1.02;max-width:18ch}
.hero .lede{margin-top:15px;font-size:18px;color:var(--ink-2);max-width:56ch;line-height:1.5}
.hero .by{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.hero .by a{color:var(--ink-3)}

/* ---------- sticky finder ---------- */
.finder{padding-block:4px 64px}
.stickybar{position:sticky;top:0;z-index:20;background:var(--ground);padding-block:18px 14px;
  box-shadow:0 1px 0 var(--line), 0 14px 20px -16px rgba(0,0,0,.25)}
.stickybar .wrap{display:block}
.flabel{flex:none}
#q{width:100%;padding:16px 18px;font-family:var(--ui);font-size:17px;font-weight:500;
  border:0;border-bottom:2.5px solid var(--ink);background:transparent;color:var(--ink);border-radius:0;
  transition:border-color .16s var(--ease)}
#q::placeholder{color:var(--ink-3);font-weight:400}
#q:focus{outline:none;border-bottom-color:var(--accent)}
.filters{margin-top:14px;display:grid;gap:8px}
.frow{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.flabel{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);min-width:40px}
.chip{font-family:var(--ui);font-size:13.5px;font-weight:500;padding:7px 13px;border:1px solid var(--line);
  background:transparent;color:var(--ink-2);border-radius:99px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  line-height:1.2;transition:background .14s var(--ease),color .14s var(--ease),border-color .14s var(--ease)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.dot{width:7px;height:7px;border-radius:99px;flex:none}
.chip .ct{font-family:var(--mono);font-size:10.5px;opacity:.55}
.resultcount{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);margin:22px 0 16px}

/* ---------- cards: poster grid, no chrome ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:34px 26px}
.card{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;background:none;border:0;padding:0}
.card .thumb{position:relative;aspect-ratio:16/9;background:var(--surface-3);overflow:hidden;border-radius:4px}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .3s var(--ease)}
.card:hover .thumb img{transform:scale(1.045)}
.card .thumb::after{content:"";position:absolute;inset:0;border-radius:4px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.07);pointer-events:none}
.card .body{display:flex;flex-direction:column;gap:7px}
.card h3{font-size:19px;line-height:1.18;letter-spacing:-.025em;transition:color .14s var(--ease)}
.card:hover h3{color:var(--accent)}
.card .fault{font-size:14.5px;color:var(--ink-2);line-height:1.42;margin:0}
.card .foot{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);
  display:flex;gap:8px;align-items:center;margin-top:2px}
.card .foot .cdot{width:7px;height:7px;border-radius:99px;flex:none}
.cguest{font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--accent);font-weight:500}
.empty{padding:60px 16px;text-align:center;color:var(--ink-3);font-family:var(--ui);font-size:16px}

/* ---------- section heads ---------- */
.sechead{display:flex;align-items:baseline;gap:16px;border-bottom:2.5px solid var(--ink);padding-bottom:10px;margin:64px 0 26px;flex-wrap:wrap}
.sechead h2{font-size:clamp(22px,3.4vw,30px)}
.sechead .more{margin-left:auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase}

/* ---------- tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(262px,1fr));gap:2px;background:var(--line);border:1px solid var(--line)}
.tile{background:var(--ground);padding:22px 22px 24px;text-decoration:none;color:inherit;display:block;position:relative;
  transition:background .16s var(--ease)}
.tile:hover{background:var(--surface)}
.tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--ink)}
.tile h3{font-size:18px;margin-bottom:7px;letter-spacing:-.025em}
.tile p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.45}
.tile .n{font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin-top:12px;display:block}

/* ---------- article ---------- */
.art{max-width:41rem;padding-block:10px 0}
.art .eyebrow{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:14px;font-weight:500}
.art h1{font-size:clamp(30px,5vw,48px);line-height:1.03;letter-spacing:-.038em}
.art .byline{margin-top:20px;padding-block:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink-3)}
.art .byline strong{font-weight:600;color:var(--ink)}
.player{margin:30px 0;border-radius:5px;overflow:hidden;background:#000;position:relative}
.player button{all:unset;display:block;position:relative;width:100%;aspect-ratio:16/9;cursor:pointer}
.player img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),opacity .3s var(--ease)}
.player button:hover img{transform:scale(1.03);opacity:.82}
.player .play{position:absolute;inset:0;display:grid;place-items:center}
.player .play svg{width:74px;height:74px;filter:drop-shadow(0 3px 14px rgba(0,0,0,.55));transition:transform .2s var(--ease)}
.player button:hover .play svg{transform:scale(1.07)}
.player iframe{width:100%;aspect-ratio:16/9;border:0;display:block}
.art h2{font-size:23px;margin:38px 0 12px;letter-spacing:-.028em}
.art p{margin:0 0 16px;font-size:17px;line-height:1.6}
.art .kicker{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:8px}
.guestbox{margin:30px 0;background:var(--surface);border-left:3px solid var(--accent);border-radius:0 4px 4px 0;padding:18px 20px}
.guestbox .k{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}
.guestbox .n{font-family:var(--disp);font-size:19px;font-weight:800;letter-spacing:-.025em}
.guestbox p{margin:7px 0 0;font-size:15px;color:var(--ink-2);line-height:1.5}
.source{margin:30px 0;padding:18px 20px;background:var(--surface-2);border-radius:4px;font-size:15px;color:var(--ink-2);line-height:1.55}
.source .k{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin:28px 0}
.tag{font-family:var(--ui);font-size:13px;font-weight:500;padding:7px 13px;border:1px solid var(--line);border-radius:99px;
  text-decoration:none;color:var(--ink-2);transition:border-color .14s var(--ease),color .14s var(--ease)}
.tag:hover{border-color:var(--ink);color:var(--ink)}

/* ---------- prose ---------- */
.prose{max-width:40rem;padding-block:10px 0}
.prose h1{font-size:clamp(30px,5vw,48px);line-height:1.03;letter-spacing:-.038em;margin-bottom:22px}
.prose h2{font-size:23px;margin:36px 0 12px;letter-spacing:-.028em}
.prose p{margin:0 0 16px;font-size:17px;line-height:1.6}
.prose ul{margin:0 0 18px;padding-left:20px}
.prose li{margin-bottom:9px;font-size:17px;line-height:1.55}
ul.clean{margin:0 0 16px;padding-left:19px}
ul.clean li{margin-bottom:8px}

/* ---------- triage ---------- */
.triage{background:var(--surface);border-radius:6px;padding:clamp(24px,4vw,40px)}
.tprogress{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}
.tprogress button{all:unset;cursor:pointer;margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--accent);border-bottom:1px solid currentColor}
#tq{font-size:clamp(24px,4vw,34px);letter-spacing:-.035em;margin-bottom:22px;line-height:1.08}
.topts{display:grid;gap:8px}
.topt{all:unset;cursor:pointer;display:flex;align-items:center;gap:14px;padding:17px 20px;border-radius:5px;
  background:var(--surface-2);font-family:var(--ui);font-size:17px;font-weight:500;line-height:1.3;color:var(--ink);
  transition:background .14s var(--ease),transform .16s var(--ease)}
.topt::after{content:"→";margin-left:auto;color:var(--ink-3);transition:transform .18s var(--ease),color .14s var(--ease)}
.topt:hover{background:var(--ink);color:var(--ground);transform:translateX(4px)}
.topt:hover::after{color:var(--ground);transform:translateX(3px)}
.rtitle{font-size:clamp(24px,4vw,32px);letter-spacing:-.035em;margin-bottom:8px}
.rnote{font-size:16px;color:var(--ink-2);margin:0 0 24px;max-width:56ch;line-height:1.5}
#tresult .grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:26px 20px}

/* ---------- checklist ---------- */
.checklist{display:grid;gap:2px;margin:30px 0;background:var(--line);border:1px solid var(--line)}
.cgroup{background:var(--ground);padding:20px 22px}
.cgroup .ck{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;font-weight:600}
.cgroup ol{margin:0;padding-left:22px}
.cgroup li{margin-bottom:8px;font-size:17px;line-height:1.45}
.cgroup li:last-child{margin-bottom:0}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:var(--ground);font-family:var(--ui);
  font-size:16px;font-weight:600;padding:14px 26px;border-radius:99px;text-decoration:none;
  transition:transform .16s var(--ease),opacity .16s var(--ease)}
.btn:hover{transform:translateY(-2px);opacity:.92}
.btn.buy{background:var(--accent);color:#fff}

/* ---------- resources ---------- */
.reslist{display:grid;gap:2px;margin:30px 0;background:var(--line);border:1px solid var(--line)}
.res{background:var(--ground);padding:20px 22px}
.rhead{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:7px}
.res h3{font-size:20px;letter-spacing:-.028em}
.changed{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);padding:3px 8px;border-radius:99px}
.res p{margin:0 0 10px;font-size:16px;color:var(--ink-2);max-width:66ch;line-height:1.5}
.rlinks{font-family:var(--mono);font-size:11.5px;letter-spacing:.02em}

/* ---------- course ---------- */
.pricebox{display:flex;align-items:center;gap:26px;flex-wrap:wrap;background:var(--ink);color:var(--ground);
  border-radius:6px;padding:26px 28px;margin:30px 0}
.pricebox .p{font-family:var(--disp);font-size:46px;font-weight:800;letter-spacing:-.045em;line-height:1;color:#fff}
.pricebox .u{font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:rgba(255,255,255,.58);margin-top:8px}
.pricebox .cta{margin-left:auto}
.modlist{counter-reset:m;list-style:none;padding:0;margin:24px 0}
.modlist li{counter-increment:m;display:grid;grid-template-columns:auto 1fr;gap:16px;padding:13px 0;
  border-bottom:1px solid var(--line-2);font-size:17px;align-items:baseline}
.modlist li:before{content:counter(m,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--ink-3)}

/* ---------- footer ---------- */
footer{margin-top:80px;background:var(--ink);color:var(--ground);padding-block:44px 34px}
footer .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:30px}
footer h4{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.45;margin-bottom:12px;font-weight:500}
footer a{color:var(--ground);text-decoration:none;opacity:.76;display:block;margin-bottom:8px;font-family:var(--ui);font-size:14.5px;
  transition:opacity .14s var(--ease)}
footer a:hover{opacity:1}
footer .colophon{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.14);padding-top:22px;font-family:var(--mono);
  font-size:10.5px;opacity:.48;line-height:1.8;letter-spacing:.04em}

@media (max-width:640px){
  .grid{grid-template-columns:1fr;gap:30px}
  .herostats{gap:24px}
  .pricebox .cta{margin-left:0;width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  .card:hover .thumb img{transform:none}
  .topt:hover{transform:none}
}

/* ---- course access page ---- */
.access{max-width:52rem;padding-bottom:20px}
.toc{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:2px;background:var(--line);
  border:1px solid var(--line);margin:8px 0 48px}
.toc .tocl{grid-column:1/-1;background:var(--ink);color:var(--ground);font-family:var(--mono);font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;padding:10px 16px}
.toc a{background:var(--ground);padding:12px 16px;text-decoration:none;color:var(--ink-2);font-family:var(--mono);
  font-size:12px;letter-spacing:.02em;transition:background .14s var(--ease),color .14s var(--ease)}
.toc a:hover{background:var(--surface);color:var(--ink)}
.mod{margin-bottom:56px;scroll-margin-top:24px}
.modhead{display:flex;align-items:baseline;gap:14px;border-bottom:2.5px solid var(--ink);padding-bottom:10px;margin-bottom:12px}
.modhead .mnum{font-family:var(--mono);font-size:12px;color:var(--ink-3);font-weight:600}
.modhead h2{font-size:clamp(21px,3.2vw,28px);letter-spacing:-.03em}
.mblurb{font-size:16.5px;color:var(--ink-2);margin:0 0 16px;max-width:62ch;line-height:1.5}
.vwrap{position:relative;aspect-ratio:16/9;background:#000;border-radius:5px;overflow:hidden}
.vwrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.mdl{margin:12px 0 0;font-family:var(--mono);font-size:12px;letter-spacing:.03em}