:root{
  --navy:#1B2A4A; --teal:#1F8A8C; --orange:#E8792C; --plum:#7A4E9E;
  --bg:#F6F8FA; --surface:#FFFFFF; --ink:#1B2A4A; --muted:#55627A; --line:#DCE3EA;
  --w-ard:var(--teal); --w-3d:var(--orange); --w-iot:var(--navy); --w-proj:var(--plum);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#0F1726; --surface:#17223A; --ink:#E8EDF5; --muted:#A3B0C4; --line:#2A3856; --w-iot:#5B7BB8; --navy:#24365C; color-scheme:dark; }
}
*{box-sizing:border-box}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Assistant,"Segoe UI",Arial,sans-serif;font-size:18px;line-height:1.6}
a{color:var(--teal)}
a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Secular One",Assistant,sans-serif;font-weight:400;line-height:1.2;margin:0}

/* compact header */
header.top{background:var(--navy);color:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:48px}
.brand{color:#fff;text-decoration:none;display:flex;align-items:center;gap:10px;white-space:nowrap}
.b8{display:inline-block;color:var(--orange);font-family:"Secular One",sans-serif;font-size:18px;line-height:1;letter-spacing:.5px;padding:5px 10px;border:2px solid var(--orange);border-radius:8px}
.brand-sub{font-weight:700;font-size:18px;color:#fff}
footer .b8{font-size:15px;padding:3px 8px;border-radius:6px}
@media (max-width:420px){.brand-sub{display:none}}
.top nav{display:flex;gap:14px;font-size:15px}
.top nav a{color:#D6E0EE;text-decoration:none;white-space:nowrap}
.top nav a:hover{color:#fff}
.top nav a[aria-current]{color:#fff;font-weight:700;box-shadow:inset 0 -2px 0 var(--orange)}
.top .call{background:var(--orange);color:#fff;text-decoration:none;font-weight:700;padding:5px 14px;border-radius:6px;font-size:15px;white-space:nowrap}
@media (max-width:1000px){
  header.top .wrap{flex-wrap:wrap;height:auto;row-gap:0;padding-top:3px}
  header.top .brand{order:1;height:30px}
  header.top .b8{font-size:15px;padding:3px 8px;border-width:1.5px}
  header.top .call{padding:3px 10px;font-size:14px}
  header.top .x8{width:24px;height:24px;font-size:12px}
  header.top .x8{order:2;margin-inline-start:auto}
  header.top .call{order:3}
  .top nav{order:4;flex:0 0 100%;gap:6px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:2px 0 5px;font-size:13px;mask-image:linear-gradient(to left,transparent 0,#000 18px)}
  .top nav::-webkit-scrollbar{display:none}
  .top nav a{flex:0 0 auto;white-space:nowrap;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:2px 10px;line-height:1.5;color:#fff}
  .top nav a[aria-current],.top nav a.on{background:var(--orange);border-color:var(--orange);box-shadow:none}
}

/* hero */
.hero{padding:28px 0 8px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,48px);color:var(--ink)}
.hero .sub{font-size:20px;color:var(--muted);margin:10px 0 18px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 20px;padding:0;list-style:none}
.facts li{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px;text-align:center;font-size:15px;color:var(--muted)}
.facts b{display:block;font-family:"Secular One",sans-serif;font-weight:400;font-size:24px;color:var(--ink)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:8px;font-size:17px}
.btn.primary{background:var(--orange);color:#fff}
.btn.ghost{border:2px solid var(--teal);color:var(--teal)}
.hero img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;width:100%}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.facts{grid-template-columns:repeat(2,1fr)}}

section{padding:36px 0}
section h2{font-size:30px;margin-bottom:6px}
section .lead{color:var(--muted);margin:0 0 20px;max-width:65ch}

/* the 20-meeting track */
.track{display:grid;grid-template-columns:repeat(20,1fr);gap:4px;margin:18px 0 10px;direction:rtl}
.track span{height:46px;border-radius:4px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}
.track .a{background:var(--w-ard)} .track .d{background:var(--w-3d)} .track .i{background:var(--w-iot)} .track .p{background:var(--w-proj)}
.legend{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0;padding:0;list-style:none;font-size:16px}
.legend li{display:flex;gap:8px;align-items:baseline}
.legend i{flex:none;width:12px;height:12px;border-radius:3px;display:inline-block;transform:translateY(1px)}
@media (max-width:760px){.track{grid-template-columns:repeat(10,1fr)}.legend{grid-template-columns:repeat(2,1fr)}}

/* three worlds */
.worlds{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.world{background:var(--surface);border:1px solid var(--line);border-top:6px solid var(--c);border-radius:8px;padding:20px}
.world h3{font-size:22px;margin-bottom:4px}
.world .n{color:var(--muted);font-size:15px;margin:0 0 10px}
.world ul{margin:0;padding-inline-start:20px}
.world li{margin:4px 0}
@media (max-width:820px){.worlds{grid-template-columns:1fr}}

.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}
.box h3{font-size:22px;margin-bottom:8px}
.box ul{margin:0;padding-inline-start:20px}
@media (max-width:820px){.two{grid-template-columns:1fr}}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery img{aspect-ratio:4/3;object-fit:cover;border-radius:8px;width:100%}
@media (max-width:600px){.gallery{grid-template-columns:1fr}}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quotes blockquote{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;font-size:17px}
@media (max-width:820px){.quotes{grid-template-columns:1fr}}

.price{background:var(--navy);color:#fff;border-radius:12px;padding:28px;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}
.price .amount{font-family:"Secular One",sans-serif;font-size:52px;line-height:1}
.price .amount small{font-size:20px}
.price ul{margin:0;padding:0;list-style:none;color:#D6E0EE}
.price li::before{content:"✔ ";color:var(--orange)}
@media (max-width:820px){.price{grid-template-columns:1fr;text-align:center}}

.more{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.more a{display:flex;align-items:center;justify-content:center;text-align:center;min-height:60px;background:var(--surface);border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;padding:8px}
.more a:hover{border-color:var(--teal)}
@media (max-width:820px){.more{grid-template-columns:repeat(2,1fr)}}

footer{background:var(--navy);color:#C9D4E4;margin-top:20px;padding:22px 0;font-size:15px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:#fff}
.ver{opacity:.6}

/* topic grid (robotics course) */
.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.topic{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;text-align:center}
.topic .ic{font-size:30px;line-height:1;margin-bottom:8px}
.topic h3{font-size:20px;margin-bottom:6px}
.topic p{margin:0;color:var(--muted);font-size:16px}
.topic.bonus{border-style:dashed}
@media (max-width:820px){.topics{grid-template-columns:repeat(2,1fr)}}
.price.two-opt{grid-template-columns:auto 1fr}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.opt{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:16px;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center}
.opt .amount{font-size:40px}
.opt .what{color:#D6E0EE;font-size:16px}
@media (max-width:820px){.price.two-opt{grid-template-columns:1fr}.opts{grid-template-columns:1fr}}

.hero-grid.noimg{grid-template-columns:1fr}
.hero h1{font-size:clamp(30px,4.2vw,44px)}
.hero-grid > div{min-width:0}
.gallery:empty{display:none}

/* home */
.home-hero{padding:14px 0 6px;text-align:center}
.home-hero .mark{display:inline-block;font-family:"Secular One",sans-serif;color:var(--orange);font-size:clamp(22px,3vw,28px);line-height:1;margin:0;padding:6px 16px;border:2px solid var(--orange);border-radius:10px;margin-bottom:14px}
.home-hero h1{font-size:clamp(30px,5.2vw,56px);line-height:1.1;margin:6px 0 14px;white-space:nowrap}
.nw{white-space:nowrap}
@media (max-width:760px){.home-hero h1{white-space:normal;font-size:clamp(34px,10vw,48px)}.home-hero h1 .l1,.home-hero h1 .l2{display:block}}
.home-hero .sub{color:var(--muted);font-size:20px;max-width:60ch;margin:0 auto 20px}
.home-hero .cta-row{justify-content:center}
.offers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.offer{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-top:6px solid var(--c);border-radius:8px;padding:20px;text-decoration:none;color:var(--ink)}
.offer:hover{border-color:var(--c)}
.offer h3{font-size:22px;margin-bottom:6px}
.offer .meta{color:var(--c);font-weight:700;font-size:15px;margin-bottom:8px}
.offer p{margin:0 0 14px;color:var(--muted);font-size:16px;flex:1}
.offer .go{font-weight:700;color:var(--c)}
@media (max-width:900px){.offers{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.offers{grid-template-columns:1fr}}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:820px){.services{grid-template-columns:1fr}}
.gallery.six{grid-template-columns:repeat(3,1fr)}
.gallery figure{margin:0}
.gallery figcaption{text-align:center;font-weight:600;margin-top:6px}
@media (max-width:600px){.gallery.six{grid-template-columns:repeat(2,1fr)}}
/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.contact-card{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px 14px;text-decoration:none;color:var(--ink)}
.contact-card:hover{border-color:var(--teal)}
.contact-card .ic{font-size:34px;line-height:1}
.contact-card b{font-family:"Secular One",sans-serif;font-weight:400;font-size:21px}
.contact-card span{color:var(--muted);font-size:15px;direction:ltr}
@media (max-width:820px){.contact-grid{grid-template-columns:repeat(2,1fr)}}
.topic-btns{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.topic-btns a{text-align:center}
@media (max-width:820px){.topic-btns{grid-template-columns:repeat(2,1fr)}}

.addr{white-space:nowrap;text-decoration:underline dotted;text-underline-offset:3px}
.addr:hover{text-decoration-style:solid}
footer .addr{color:#fff}

/* dark band: text + buttons; stacks on mobile */
.price.band{grid-template-columns:1fr auto}
.price.band .cta-row{justify-content:flex-start}
@media (max-width:820px){
  .price.band{grid-template-columns:1fr;text-align:center;padding:22px 18px;gap:16px}
  .price.band .cta-row{flex-direction:column;align-items:stretch}
  .price.band .btn{text-align:center}
}

/* hero with photo (home) */
.home-hero.photo{position:relative;padding:44px 0 40px;color:#fff;background:linear-gradient(rgba(11,18,34,.72),rgba(11,18,34,.86)),url(/assets/img/lab-night-wide.jpg) center 40%/cover no-repeat}
.home-hero.photo h1{color:#fff}
.home-hero.photo .sub{color:#D6E0EE}
.home-hero.photo .addr{color:#7FE3D8}
.home-hero.photo .btn.ghost{color:#fff;border-color:#7FE3D8}
/* stats band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:center}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}
.stat b{display:block;font-family:"Secular One",sans-serif;font-weight:400;font-size:44px;line-height:1;color:var(--teal)}
.stat span{color:var(--muted)}
@media (max-width:700px){.stats{grid-template-columns:1fr}}
.tagline{font-family:"Secular One",sans-serif;font-size:clamp(22px,3vw,30px);margin:6px 0 4px;color:var(--ink)}
.tagline em{font-style:normal;color:var(--teal)}
/* journey */
.journey{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:j}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px 14px;text-align:center}
.step .n{width:46px;height:46px;margin:0 auto 10px;border-radius:50%;border:3px solid var(--teal);display:flex;align-items:center;justify-content:center;font-family:"Secular One",sans-serif;font-size:20px;color:var(--teal)}
.step.ai .n{background:var(--orange);border-color:var(--orange);color:#fff}
.step h3{font-size:19px;margin-bottom:4px}
.step p{margin:0;color:var(--muted);font-size:15px}
@media (max-width:900px){.journey{grid-template-columns:repeat(2,1fr)}.step.ai{grid-column:1/-1}}
/* who learns chips */
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:760px;margin:0 auto}
.chip{padding:8px 18px;border-radius:999px;border:2px solid var(--c,var(--teal));font-weight:700;font-size:18px}
.chip.you{background:var(--orange);border-color:var(--orange);color:#fff}
.chips-note{text-align:center;font-family:"Secular One",sans-serif;font-size:24px;margin:20px 0 0}
.chips-note em{font-style:normal;color:var(--teal)}

.hero img{aspect-ratio:4/3;height:auto;max-height:440px;object-fit:cover;object-position:center 40%}

/* migrated content pages */
.prose{max-width:860px}
.prose h2{font-size:26px;margin:26px 0 8px}
.prose p{margin:0 0 10px}
.prose ul{margin:0 0 14px;padding-inline-start:22px}
.prose li{margin:4px 0}
.prose .gallery{margin:14px 0 18px}
.prose .gallery img{background:#fff}
.prose .gallery.one{grid-template-columns:1fr;max-width:560px}
.prose .gallery.one img{aspect-ratio:auto;object-fit:contain}
.crumb{display:inline-block;font-size:15px;margin-bottom:6px;text-decoration:none}
.crumb::before{content:"→ "}
.video{position:relative;aspect-ratio:16/9;margin:14px 0;border-radius:8px;overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.crs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.crs{background:var(--surface);border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:8px;padding:16px;text-align:center}
.crs .d{font-family:"Secular One",sans-serif;font-size:21px}
.crs .t{color:var(--muted)}
@media (max-width:820px){.crs-grid{grid-template-columns:1fr 1fr}}@media (max-width:520px){.crs-grid{grid-template-columns:1fr}}
.wgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.wcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;text-decoration:none;color:var(--ink)}
.wcard:hover{border-color:var(--teal)}
.wcard img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#fff}
.wcard>div{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.wcard h3{font-size:21px;margin-bottom:4px}.wcard p{margin:0 0 10px;color:var(--muted);flex:1}.wcard .go{font-weight:700;color:var(--teal)}
@media (max-width:820px){.wgrid{grid-template-columns:1fr 1fr}}@media (max-width:520px){.wgrid{grid-template-columns:1fr}}
details.qa{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:0 0 10px}
details.qa summary{cursor:pointer;font-weight:700;font-size:18px}
details.qa p{margin:10px 0 0;color:var(--muted)}
.prose img.inl{display:inline-block;max-width:100%;width:340px;aspect-ratio:auto;border-radius:8px;margin:6px 0 6px 8px;vertical-align:top;background:#fff}
.moved-pill{display:inline-block;background:var(--orange);color:#fff;font-weight:700;text-decoration:none;padding:6px 16px;border-radius:999px;margin:0 0 12px}
.top .wrap{gap:10px}
.top nav{margin-inline-start:auto}
.x8{flex:none;width:28px;height:28px;direction:ltr;letter-spacing:-.5px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--orange);color:#fff;text-decoration:none;font-family:"Secular One",sans-serif;font-size:14px;line-height:1;box-shadow:0 0 0 2px rgba(232,121,44,.35);transition:transform .15s}
.x8:hover{transform:scale(1.08)}
.top .wrap{height:52px}

@media (max-width:760px){
  .home-hero.photo{padding:16px 0 16px}
  .home-hero h1{font-size:clamp(30px,8.6vw,40px);margin:0 0 8px}
  .home-hero .mark{font-size:20px;padding:3px 12px;margin-bottom:8px}
  .moved-pill{padding:5px 14px;margin:0 0 6px;font-size:15px}
  .home-hero .sub{font-size:17px;line-height:1.45;margin:0 auto 12px}
  .addr{white-space:normal}
}



/* students dropdown */
.stu{position:relative;flex:none}
.stu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:5px;background:#1F8A8C;color:#fff;font-weight:700;font-size:15px;line-height:1;padding:6px 11px;border-radius:6px;white-space:nowrap;user-select:none}
.stu summary::-webkit-details-marker{display:none}
.stu summary::after{content:"";width:0;height:0;border-inline:4px solid transparent;border-top:5px solid #fff;margin-inline-start:2px;transition:transform .15s}
.stu[open] summary::after{transform:rotate(180deg)}
.stu .cap{width:18px;height:18px;fill:currentColor;flex:none}
.stu-menu{position:absolute;top:calc(100% + 6px);left:0;z-index:100;background:#fff;border-radius:10px;box-shadow:0 10px 28px rgba(0,0,0,.28);padding:6px;min-width:180px}
.stu-menu a{display:flex;align-items:center;gap:8px;color:#1B2A4A;text-decoration:none;font-weight:700;font-size:15px;padding:10px 12px;border-radius:7px;white-space:nowrap}
.stu-menu a:hover,.stu-menu a:focus-visible{background:#E9F4F4}
.stu-menu .cap{fill:#1F8A8C}
@media (max-width:1000px){.stu{order:3}.stu summary{padding:3px 8px;font-size:14px}.stu .cap{width:16px;height:16px}}
@media (max-width:360px){.stu-t{display:none}}
@media (max-width:1300px){.brand-sub{display:none}}
@media (max-width:360px){.contact-grid{grid-template-columns:1fr}}