:root{
  --paper:#F5F7FA; --surface:#FFFFFF; --ink:#13223A; --muted:#4E5B70;
  --grid:#DCE3EC; --teal:#0E6F67; --teal-ink:#FFFFFF; --marker:#E2AE1E; --tint:#E7F2F0;
  --max:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0F1724; --surface:#162133; --ink:#E8EEF6; --muted:#9DABBF;
    --grid:#25344B; --teal:#4FC3B5; --teal-ink:#0F1724; --marker:#F2C94C; --tint:#173236;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);
  font:400 17px/1.6 "Public Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}
a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:3px solid var(--marker);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.12;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(28px,4vw,40px);font-weight:700}
h3{font-size:21px;font-weight:700}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}

/* header */
header{border-bottom:1px solid var(--grid);background:var(--paper);position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);
  font:800 22px "Bricolage Grotesque",sans-serif;letter-spacing:-.02em}
.logo img{width:34px;height:34px;border-radius:50%}
nav{display:flex;gap:24px}
nav a{color:var(--muted);text-decoration:none;font-weight:500;font-size:15px}
nav a:hover,nav a[aria-current="page"]{color:var(--ink)}
.menu{display:none}
@media (max-width:820px){
  nav{display:none}
  .menu{display:block;position:relative}
  .menu summary{list-style:none;cursor:pointer;font-weight:600;color:var(--ink);padding:8px 12px;border:1px solid var(--grid);border-radius:8px}
  .menu summary::-webkit-details-marker{display:none}
  .menu[open] .drop{display:flex}
  .drop{position:absolute;right:0;top:46px;flex-direction:column;background:var(--surface);border:1px solid var(--grid);border-radius:12px;padding:8px;min-width:200px}
  .drop a{padding:10px 12px;text-decoration:none;color:var(--ink);border-radius:8px}
  .drop a:hover{background:var(--tint)}
}

/* buttons */
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;padding:13px 22px;border-radius:10px;font-weight:600;
  text-decoration:none;font-size:16px;border:1.5px solid var(--teal)}
.btn.primary{background:var(--teal);color:var(--teal-ink)}
.btn.ghost{color:var(--teal);background:transparent}
.btn.small{padding:9px 15px;font-size:15px}
.btn.primary:hover{filter:brightness(1.08)}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero h1{font-size:clamp(38px,5.6vw,60px);font-weight:800;letter-spacing:-.025em}
.lede{margin-top:22px;font-size:19px;color:var(--muted);max-width:34em}
.chart{background:var(--surface);border:1px solid var(--grid);border-radius:18px;padding:22px 22px 14px;margin:0}
.chart svg{display:block;width:100%;height:auto}
.chart .cap{font-size:14px;color:var(--muted);margin-top:6px}
.chart text{font-family:"Public Sans",sans-serif;fill:var(--muted);font-size:12px}
.chart .lbl{fill:var(--ink);font-weight:600;font-size:13px}
.chart .num{fill:var(--ink);font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:22px}
.path-line{stroke-dasharray:600;stroke-dashoffset:600;animation:draw 1.4s .2s ease-out forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion: reduce){.path-line{animation:none;stroke-dashoffset:0}}
@media (max-width:880px){.hero{grid-template-columns:1fr;gap:40px;padding-top:48px;padding-bottom:56px}}

/* ways strip */
.ways{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--grid);border-radius:18px;background:var(--surface);overflow:hidden}
.way{padding:24px;text-decoration:none;color:var(--ink);border-left:1px solid var(--grid);display:flex;flex-direction:column;gap:8px}
.way:first-child{border-left:0}
.way:hover{background:var(--tint)}
.way h3{font-size:19px}
.way p{color:var(--muted);font-size:15px}
.way .go{margin-top:auto;padding-top:8px;color:var(--teal);font-weight:600;font-size:15px}
@media (max-width:880px){.ways{grid-template-columns:1fr 1fr}.way:nth-child(3){border-left:0}.way:nth-child(n+3){border-top:1px solid var(--grid)}}
@media (max-width:520px){.ways{grid-template-columns:1fr}.way{border-left:0}.way+.way{border-top:1px solid var(--grid)}}

/* sections */
section{padding:72px 0;border-top:1px solid var(--grid)}
.intro{max-width:42em;color:var(--muted);margin-top:12px}
.head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:20px}

/* course path (numbered sequence) */
.path{list-style:none;margin:36px 0 0;padding:0}
.step{display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:start;padding:26px 0;border-bottom:1px solid var(--grid)}
.step:first-child{border-top:1px solid var(--grid)}
.dot{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font:800 17px "Bricolage Grotesque",sans-serif;border:2px solid var(--teal);color:var(--teal)}
.step p{color:var(--muted);margin-top:6px;max-width:42em}
.meta{font-size:14px;color:var(--muted);margin-top:8px}
.step .btn{white-space:nowrap}
@media (max-width:720px){.step{grid-template-columns:44px 1fr}.step .btn{grid-column:2;justify-self:start}}

/* facts row */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:32px;border-top:2px solid var(--ink)}
.fact{padding:16px 16px 0 0}
.fact b{display:block;font:700 22px "Bricolage Grotesque",sans-serif}
.fact span{color:var(--muted);font-size:15px}
@media (max-width:720px){.facts{grid-template-columns:1fr 1fr;row-gap:16px}}

/* programs (expandable) */
.programs{margin-top:36px;display:grid;gap:12px}
.program{background:var(--surface);border:1px solid var(--grid);border-radius:14px}
.program summary{cursor:pointer;list-style:none;padding:22px 24px;display:grid;grid-template-columns:1fr auto;gap:6px 20px;align-items:center}
.program summary::-webkit-details-marker{display:none}
.program summary p{color:var(--muted);grid-column:1}
.program .tag{font-size:13px;font-weight:600;color:var(--teal);background:var(--tint);padding:3px 10px;border-radius:99px;margin-left:10px;vertical-align:3px;white-space:nowrap}
.program .plus{grid-row:1/3;grid-column:2;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--grid);display:grid;place-items:center;font-size:20px;color:var(--muted);transition:transform .2s}
.program[open] .plus{transform:rotate(45deg)}
@media (prefers-reduced-motion: reduce){.program .plus{transition:none}}
.program .body{padding:0 24px 24px;display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--grid);padding-top:20px;margin:0 0 0}
.program h4{margin:0 0 8px;font-size:15px;color:var(--ink)}
.program ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px}
.program li{margin:4px 0}
@media (max-width:720px){.program .body{grid-template-columns:1fr}}

/* hardware */
.hw{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.series{display:grid;gap:12px;margin-top:4px}
.series a.item{display:block;background:var(--surface);border:1px solid var(--grid);border-radius:14px;padding:20px 22px;text-decoration:none;color:var(--ink)}
.series a.item:hover{border-color:var(--teal)}
.series .item p{color:var(--muted);font-size:15px;margin-top:6px}
.kit{margin-top:24px;padding:20px 22px;border-left:3px solid var(--marker);background:var(--surface);border-radius:0 12px 12px 0}
.kit p{color:var(--muted);font-size:15px;margin-top:6px}
@media (max-width:880px){.hw{grid-template-columns:1fr}}

/* lists in two columns */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:32px}
.col h3{font-size:19px}
.col ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:15px}
.col li{margin:5px 0}
@media (max-width:880px){.cols{grid-template-columns:1fr}}

/* cards */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.card{background:var(--surface);border:1px solid var(--grid);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:12px}
.card p{color:var(--muted)}
.card a{font-weight:600;margin-top:auto}
@media (max-width:720px){.two{grid-template-columns:1fr}}

/* about */
.people{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:36px}
.person .top{display:flex;gap:18px;align-items:center}
.avatar{width:96px;height:96px;border-radius:50%;object-fit:cover;flex:none;background:var(--tint);display:grid;place-items:center;
  font:800 28px "Bricolage Grotesque",sans-serif;color:var(--teal);border:1px solid var(--grid)}
.person h3{font-size:24px}
.role{color:var(--teal);font-weight:600;margin-top:4px;font-size:15px}
.person p{color:var(--muted);margin-top:16px}
.person .links{margin-top:14px;display:flex;flex-wrap:wrap;gap:18px;font-weight:600;font-size:15px}
@media (max-width:720px){.people{grid-template-columns:1fr}}

/* contact */
.contact{background:var(--teal);color:var(--teal-ink);border-radius:20px;padding:40px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.contact h2{color:var(--teal-ink)}
.contact p{margin-top:12px;opacity:.92;max-width:34em}
.contact a.line{display:block;color:var(--teal-ink);font-weight:600;font-size:20px;margin-top:14px;text-decoration:none;
  border-bottom:1px solid currentColor;padding-bottom:4px;width:fit-content}
.contact .hours{font-size:14px;margin-top:18px;opacity:.85}
@media (max-width:820px){.contact{grid-template-columns:1fr;padding:28px}}

/* catalog page */
.group{padding:48px 0;border-top:1px solid var(--grid)}
.group:first-of-type{border-top:0}
.group>.wrap>p{color:var(--muted);margin-top:8px;max-width:42em}
.list{margin-top:24px;display:grid;gap:0;border-top:1px solid var(--grid)}
.row{display:grid;grid-template-columns:1fr 110px auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--grid)}
.row h3{font-size:19px}
.row p{color:var(--muted);font-size:15px;margin-top:4px;max-width:46em}
.row .count{font:700 18px "Bricolage Grotesque",sans-serif;text-align:right}
.row .count small{display:block;font:400 13px "Public Sans",sans-serif;color:var(--muted)}
@media (max-width:720px){.row{grid-template-columns:1fr auto}.row .btn{grid-column:1/-1;justify-self:start}}

footer{border-top:1px solid var(--grid);padding:36px 0 48px;color:var(--muted);font-size:15px}
footer .row2{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer a{color:var(--muted)}
footer .social{display:flex;flex-wrap:wrap;gap:18px}

.proof{margin-top:20px;font-size:15px;color:var(--muted);padding-left:12px;border-left:3px solid var(--marker)}