/* B2 "Studio, quiet": tokens, navbar, Courses menu, phone drawer, footer, buttons.
   Page bodies come from the design boards with their own inline styles; the phone
   and tablet overrides for those live at the end of this file (keyed on .b2-page). */
:root{
  --b2-ground:#F5F7FA; --b2-surface:#FFFFFF; --b2-line:#E1E5EB; --b2-soft:#ECEFF3; --b2-strong:#CFD5DE;
  --b2-ink:#1A2233; --b2-text:#3B4558; --b2-muted:#5E6878; --b2-accent:#5B6B8C;
  --b2-dark:#1A2233; --b2-dark-line:#2E3A52; --b2-dark-raise:#232D42; --b2-on-dark:#C9D2E0; --b2-on-dark-2:#A9B4C6;
  --b2-amber:#A86E1A; --b2-amber-dark:#C08230;
  --b2-serif:Newsreader,Georgia,serif; --b2-sans:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  --b2-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --b2-gutter:40px;
}
.b2-sr{position:absolute !important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip-link{position:absolute;left:12px;top:-60px;z-index:10000;padding:10px 16px;border-radius:10px;background:#1A2233;color:#FFFFFF;font:600 14px Inter,system-ui,sans-serif;text-decoration:none;transition:top .12s}
.skip-link:focus{top:12px;color:#FFFFFF;outline:2px solid #FFFFFF;outline-offset:2px;box-shadow:0 0 0 4px #1A2233}
.b2-hp{position:absolute !important;left:-9999px;width:1px;height:1px;opacity:0}
.b2-eyebrow{margin:0 0 12px;font:600 12px/1.4 var(--b2-sans);letter-spacing:.06em;text-transform:uppercase;color:var(--b2-muted)}

/* ---- logo ---- */
.b2-logo{display:inline-flex;align-items:baseline;gap:1px}
.b2-logo svg{flex:none;display:block}
.b2-logo-w{font-family:"Inter Tight",Inter,sans-serif;font-weight:700;line-height:1;letter-spacing:-.03em;white-space:nowrap}
.b2-logo-p{margin-left:2px;font-weight:800}

/* ---- buttons ---- */
.b2-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 16px;box-sizing:border-box;
  border-radius:8px;font:500 15px/1.2 var(--b2-sans);text-decoration:none;cursor:pointer;transition:background .2s ease,border-color .2s ease}
.b2-btn-ink{background:var(--b2-ink);color:#FFFFFF !important;border:1px solid var(--b2-ink)}
.b2-btn-ink:hover{background:#2A3447;border-color:#2A3447}
.b2-btn-ghost{background:#FFFFFF;color:var(--b2-ink) !important;border:1px solid var(--b2-strong)}
.b2-btn-ghost:hover{background:var(--b2-ground)}

/* ---- navbar ---- */
.b2nav{position:relative;z-index:50;background:#FFFFFF;border-bottom:1px solid var(--b2-line);font-family:var(--b2-sans);color:var(--b2-text)}
.b2nav a{text-decoration:none}
.b2nav-bar{max-width:1200px;margin:0 auto;padding:12px var(--b2-gutter);min-height:66px;box-sizing:border-box;display:flex;align-items:center;gap:16px 36px}
.b2nav-brand{display:inline-flex;align-items:center;flex:none;min-height:44px}
.b2nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 26px;font-size:15px;flex:1 1 auto;min-width:0}
.b2nav-links a{color:var(--b2-muted)}
.b2nav-links a:hover,.b2nav-links a.on,.b2nav-links a[aria-current="page"]{color:var(--b2-ink)}
.b2nav-links a.on,.b2nav-links a[aria-current="page"]{font-weight:500}
.b2nav-links .snav-dash{display:none}
body.state-pro .b2nav-links .snav-dash{display:inline}
.b2nav-courses{display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:0;border:0;background:transparent;color:var(--b2-muted);
  font:inherit;font-size:15px;cursor:pointer}
.b2nav-courses:hover,.b2nav-courses[aria-expanded="true"]{color:var(--b2-ink)}
.b2nav-chev{transition:transform .2s ease}
.b2nav-courses[aria-expanded="true"] .b2nav-chev{transform:rotate(180deg)}
.b2nav-right{display:flex;align-items:center;gap:18px;flex:none}
.b2nav-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--b2-line);border-radius:8px;
  background:var(--b2-ground);color:var(--b2-text);cursor:pointer;padding:0}
.b2nav-icon:hover{border-color:var(--b2-strong)}
.b2nav-burger{display:none}
.b2nav-signin{color:var(--b2-ink) !important;font-size:15px}
.b2nav .auth-anon{display:inline-flex !important;align-items:center}
.b2nav .auth-user{display:none !important}
body.state-pro .b2nav .auth-anon,body.state-pro .b2nav-cta{display:none !important}
body.state-pro .b2nav .auth-user{display:inline-flex !important;align-items:center;gap:8px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--b2-accent);outline-offset:2px}

/* site-nav.js search panel (created on first use, appended inside the navbar) */
.b2nav .snav-spanel{display:none;position:absolute;left:0;right:0;top:100%;background:#FFFFFF;border-bottom:1px solid var(--b2-line);
  box-shadow:0 24px 48px rgba(26,34,51,.12);padding:16px var(--b2-gutter) 20px;box-sizing:border-box}
.b2nav .snav-spanel.open{display:block}
.b2nav .snav-spanel form{max-width:760px;margin:0 auto;display:flex;align-items:center;gap:10px;padding:0 14px;min-height:48px;
  border:1px solid var(--b2-strong);border-radius:10px;background:var(--b2-ground)}
.b2nav .snav-spanel input{flex:1;min-width:0;border:0;background:transparent;font:16px var(--b2-sans);color:var(--b2-ink);outline:0;min-height:44px}
.b2nav .snav-sresults{max-width:760px;margin:10px auto 0;max-height:60vh;overflow:auto}
.b2nav .snav-sitem{display:block;padding:10px 12px;border-radius:8px;color:var(--b2-ink)}
.b2nav .snav-sitem:hover,.b2nav .snav-sitem:focus{background:var(--b2-ground)}
.b2nav .snav-stitle{display:block;font-weight:500}
.b2nav .snav-sex{display:block;font-size:14px;color:var(--b2-muted)}
.b2nav .snav-snone,.b2nav .snav-smore{padding:10px 12px;font-size:14px;color:var(--b2-muted)}

/* ---- Courses menu ---- */
.b2-menu{position:absolute;left:0;right:0;top:100%;background:#FFFFFF;border-bottom:1px solid var(--b2-line);box-shadow:0 24px 48px rgba(26,34,51,.12);
  animation:b2-pop .4s cubic-bezier(.2,.8,.2,1)}
.b2-menu[hidden]{display:none}
.b2-menu-in{max-width:1200px;margin:0 auto;padding:28px var(--b2-gutter) 32px;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:32px 48px}
.b2-menu-stages{flex:2 1 460px;min-width:0}
.b2-menu-stages ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));gap:4px 24px}
.b2-menu-stage,.b2-drawer-stage{display:flex;align-items:center;gap:12px;padding:8px;margin:0 -8px;border-radius:8px;color:var(--b2-ink);font-size:15px}
.b2-menu-stage:hover,.b2-drawer-stage:hover{background:var(--b2-ground)}
.b2-stage-n{width:30px;height:30px;flex:none;border-radius:8px;display:flex;align-items:center;justify-content:center;font:14px var(--b2-serif)}
.b2-stage-t{flex:1;min-width:0}
.b2-stage-c{font-size:13px;color:var(--b2-muted);white-space:nowrap}
.b2-menu-free{flex:1 1 220px;min-width:0}
.b2-menu-free ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:15px}
.b2-menu-free a{color:var(--b2-ink)}
.b2-menu-free a:hover{text-decoration:underline;text-underline-offset:3px}
.b2-menu-card{flex:1 1 260px;min-width:0;padding:20px;border-radius:14px;background:var(--b2-ground);border:1px solid var(--b2-line)}
.b2-menu-card-k{margin:0 0 4px;font-size:13px;font-weight:500;color:var(--b2-muted)}
.b2-menu-card-t{margin:0 0 6px;font:22px/1.25 var(--b2-serif);color:var(--b2-ink)}
.b2-menu-card-p{margin:0 0 16px;font-size:14px}
.b2-menu-card-b{display:flex;flex-wrap:wrap;gap:8px}
.b2-menu-card-b .b2-btn{min-height:38px;padding:0 14px;font-size:14px}
@keyframes b2-pop{from{opacity:0;transform:translateY(8px)}}

/* ---- phone drawer ---- */
.b2-drawer{position:fixed;inset:0;z-index:1000;font-family:var(--b2-sans)}
.b2-drawer[hidden]{display:none}
.b2-drawer-scrim{position:absolute;inset:0;background:rgba(26,34,51,.45)}
.b2-drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(380px,100%);box-sizing:border-box;overflow-y:auto;background:#FFFFFF;
  padding:12px 20px 32px;box-shadow:-12px 0 40px rgba(26,34,51,.2);animation:b2-slide .25s ease}
@keyframes b2-slide{from{transform:translateX(24px);opacity:.6}}
.b2-drawer-top{display:flex;align-items:center;justify-content:space-between;min-height:56px;margin-bottom:12px}
.b2-drawer-stages{margin:0 0 16px;padding:0;list-style:none}
.b2-drawer-stage{margin:0;padding:8px 6px}
.b2-drawer-links{margin:0 0 20px;padding:12px 0 0;list-style:none;border-top:1px solid var(--b2-line)}
.b2-drawer-links a{display:flex;align-items:center;min-height:46px;padding:0 6px;color:var(--b2-ink);font-size:17px;text-decoration:none;border-radius:8px}
.b2-drawer-links a:hover{background:var(--b2-ground)}
.b2-drawer-dash{display:none}
body.state-pro .b2-drawer-dash{display:block}
.b2-drawer-cta{display:flex;flex-direction:column;gap:10px}
.b2-drawer-cta .b2-btn{min-height:48px;font-size:16px}
body.state-pro .b2-drawer-cta{display:none}
html.b2-lock,html.b2-lock body{overflow:hidden}

/* ---- footer ---- */
.b2ft{background:var(--b2-dark);color:var(--b2-on-dark);font:16px/1.6 var(--b2-sans)}
.b2ft a{text-decoration:none}
.b2ft-news{max-width:1200px;margin:0 auto;padding:72px var(--b2-gutter) 56px;box-sizing:border-box;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:28px 56px;border-bottom:1px solid var(--b2-dark-line)}
.b2ft-news-t{flex:1 1 440px;min-width:0}
.b2ft-news h2{margin:0 0 8px;font:400 34px/1.2 var(--b2-serif);color:#FFFFFF}
.b2ft-news p{margin:0}
.b2ft-form{flex:1 1 420px;min-width:0;display:flex;flex-wrap:wrap;gap:10px;margin:0}
.b2ft-form input[type=email]{flex:1 1 240px;min-width:0;min-height:50px;padding:0 16px;box-sizing:border-box;border:1px solid #3A4763;border-radius:10px;
  background:var(--b2-dark-raise);color:#FFFFFF;font:inherit}
.b2ft-form input[type=email]::placeholder{color:var(--b2-on-dark-2);opacity:1}
.b2ft-form button{min-height:50px;padding:0 22px;border:0;border-radius:10px;background:#FFFFFF;color:var(--b2-ink);font:inherit;font-weight:600;cursor:pointer}
.b2ft-form button:hover{background:#E1E5EB}
.b2ft-form button:disabled{opacity:.6;cursor:default}
.b2ft-msg{flex:1 0 100%;margin:0;font-size:14px;color:var(--b2-on-dark)}
.b2ft-msg:empty{display:none}
.b2ft-msg.err{color:#F2B8A8}
.b2ft-main{max-width:1200px;margin:0 auto;padding:56px var(--b2-gutter) 40px;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:40px 56px}
.b2ft-brand{flex:1 1 240px;min-width:0}
.b2ft-brand>p{margin:0 0 22px;font-size:15px}
.b2ft-brand>.b2ft-logo{margin:0 0 14px}
.b2ft-brand .b2-logo-p{margin-left:1px}
.b2ft-social{margin:0 0 28px;padding:0;list-style:none;display:flex;gap:10px}
.b2ft-social a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--b2-dark-line);
  background:var(--b2-dark-raise);color:#FFFFFF}
.b2ft-social a:hover{border-color:#3A4763;background:#2B3650}
.b2ft-brand>.b2ft-pay-k{margin:0 0 8px;font-size:13px;color:var(--b2-on-dark-2)}
.b2ft-brand img{display:block;width:258px;max-width:100%;height:auto}
.b2ft-cols{flex:3 1 640px;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(140px,100%),1fr));gap:32px 28px;font-size:14px}
.b2ft-cols h2{margin:0 0 14px;font:600 13px/1.4 var(--b2-sans);letter-spacing:.06em;text-transform:uppercase;color:#FFFFFF}
.b2ft-cols ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.b2ft-cols a{color:var(--b2-on-dark)}
.b2ft-cols a:hover,.b2ft-legal a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:3px}
.b2ft-legal{max-width:1200px;margin:0 auto;padding:22px var(--b2-gutter) 34px;box-sizing:border-box;border-top:1px solid var(--b2-dark-line);display:flex;
  flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 32px;font-size:13px;color:var(--b2-on-dark-2)}
.b2ft-legal p{margin:0}
.b2ft-legal ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 20px}
.b2ft-legal a{color:var(--b2-on-dark-2)}

/* ---- video player (opened by page scripts from a[data-vimeo]) ---- */
.b2-vmodal{position:fixed;inset:0;z-index:1100;display:flex;align-items:center;justify-content:center;padding:64px 20px 20px;box-sizing:border-box}
.b2-vmodal-scrim{position:absolute;inset:0;background:rgba(10,14,24,.8)}
.b2-vmodal-box{position:relative;width:min(1000px,100%);aspect-ratio:16/9;max-height:calc(100vh - 96px);background:#000;border-radius:12px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.5)}
.b2-vmodal-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.b2-vmodal-x{position:fixed;top:12px;right:12px;z-index:2;width:44px;height:44px;border:0;border-radius:50%;background:#FFFFFF;color:var(--b2-ink);
  font:28px/1 var(--b2-sans);cursor:pointer}

/* ---- chrome on tablets and phones ---- */
@media (max-width:1080px){
  .b2nav-links{display:none}
  .b2nav-burger{display:flex}
  .b2nav-bar{justify-content:space-between}
  .b2nav-right{gap:12px}
  .b2-menu{display:none !important}
}
@media (max-width:640px){
  :root{--b2-gutter:20px}
  .b2nav-bar{min-height:58px;padding-top:8px;padding-bottom:8px}
  .b2nav-brand .b2-logo-w{font-size:21px !important}
  .b2nav-brand svg{width:19px;height:14px}
  .b2nav .auth-anon,.b2nav-cta{display:none !important}
  .b2nav-right{gap:8px}
  .b2ft-news{padding-top:48px;padding-bottom:40px}
  .b2ft-news h2{font-size:26px}
  .b2ft-form button{flex:1 1 100%}
  .b2ft-main{padding-top:40px}
  .b2ft-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:360px){
  .b2nav-brand .b2-logo-w{font-size:19px !important}
}
@media (prefers-reduced-motion:reduce){
  .b2-menu,.b2-drawer-panel{animation:none}
  .b2nav-chev{transition:none}
}