/* Shaaz — graph-paper teacher's desk. One memorable thing: the robot. */
@font-face{font-family:"Bricolage";src:url("/s/fonts/bricolage.woff2") format("woff2");font-weight:600 800;font-stretch:80% 90%;font-display:swap}
@font-face{font-family:"Instrument";src:url("/s/fonts/instrument.woff2") format("woff2");font-weight:400 700;font-display:swap}

:root{
  --paper:#F6F7FB;
  --white:#FFFFFF;
  --ink:#0E1A3A;
  --ink-soft:#3B4768;
  --cobalt:#2B4EFF;
  --cobalt-deep:#1B35C4;
  --sun:#FFC933;
  --tomato:#E8442A;
  --line:#D5DAEA;
  --radius:18px;
  --shell:1120px;
  --display:"Bricolage","Arial Narrow",system-ui,sans-serif;
  --body:"Instrument",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0B1226;--white:#131C3A;--ink:#EEF1FF;--ink-soft:#B3BCDD;--line:#26315A;--cobalt:#6C86FF;--cobalt-deep:#8EA2FF;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--body);
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px;background-position:-1px -1px;background-attachment:scroll}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(1200px 600px at 70% -10%,transparent,var(--paper) 70%);pointer-events:none;z-index:-1}
img,svg{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--paper);padding:.6rem 1rem;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.shell{width:min(100% - 2.5rem,var(--shell));margin-inline:auto}
.icon{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* Type scale: 1.25 ratio */
h1,h2,h3{font-family:var(--display);font-optical-sizing:auto;margin:0;letter-spacing:-.02em;line-height:1.05;text-wrap:balance}
h1{font-size:clamp(2.6rem,6.2vw,4.9rem);font-weight:800;font-stretch:80%}
h2{font-size:clamp(2rem,4vw,3rem);font-weight:750;font-stretch:85%}
h3{font-size:1.4rem;font-weight:700;line-height:1.15;letter-spacing:-.01em}
p{margin:0;max-width:62ch}
.lede{font-size:1.2rem;color:var(--ink-soft);max-width:48ch}

/* Header */
.site-header{position:sticky;top:0;z-index:50;transition:background .25s,box-shadow .25s,padding .25s}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 0;transition:padding .25s}
.site-header.is-scrolled{background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.site-header.is-scrolled .bar{padding:.65rem 0}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font:800 1.5rem/1 var(--display);font-stretch:80%;letter-spacing:-.02em}
.brand-mark{width:34px;height:34px}
.nav{display:flex;gap:.3rem;align-items:center}
.nav a{text-decoration:none;font-weight:600;font-size:.97rem;padding:.5rem .8rem;border-radius:999px;position:relative}
.nav a::after{content:"";position:absolute;left:.8rem;right:.8rem;bottom:.3rem;height:2px;background:var(--cobalt);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav a:hover::after,.nav a[aria-current="true"]::after{transform:scaleX(1)}
.nav .cta{background:var(--ink);color:var(--paper);margin-left:.4rem}
.nav .cta::after{display:none}
.nav .cta:hover{background:var(--cobalt);color:#fff}
@media (max-width:720px){.nav a:not(.cta){display:none}}

/* Hero */
.hero{padding:clamp(2rem,6vw,5rem) 0 clamp(3rem,7vw,6rem)}
.hero .shell{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.hero h1{margin-bottom:1.4rem}
.hero .lede{margin-bottom:2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;align-items:center}
.btn{display:inline-flex;align-items:center;gap:.55rem;font:700 1rem/1 var(--body);text-decoration:none;padding:1rem 1.4rem;border-radius:14px;border:2px solid var(--ink);background:var(--sun);color:#0E1A3A;box-shadow:4px 4px 0 var(--ink);transition:transform .15s,box-shadow .15s,background .15s;cursor:pointer}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn.ghost{background:var(--white);color:var(--ink)}
.btn[aria-disabled="true"]{background:var(--paper);color:var(--ink-soft);border-style:dashed;box-shadow:none;cursor:default;transform:none}
.facts{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin:2rem 0 0;padding:0;list-style:none;color:var(--ink-soft);font-weight:500;font-size:.97rem}
.facts li{display:flex;gap:.5rem;align-items:center}
.facts .icon{color:var(--cobalt)}
@media (max-width:860px){.hero .shell{grid-template-columns:1fr}.robot-wrap{order:-1;max-width:340px;margin-inline:auto}}

/* Robot — the one memorable thing */
.robot-wrap{position:relative;padding-top:4.5rem}
.robot{width:100%;height:auto;overflow:visible}
.bubble{position:absolute;top:0;right:0;left:6%;min-height:4.4rem;background:var(--white);border:2px solid var(--ink);border-radius:18px 18px 18px 4px;padding:.9rem 1.1rem;font-weight:600;font-size:.98rem;line-height:1.35;box-shadow:4px 4px 0 var(--ink);display:flex;align-items:center;transition:opacity .3s,transform .3s}
.bubble.is-swapping{opacity:0;transform:translateY(6px)}
.robot .r-fill-cobalt{fill:var(--cobalt)}
.robot .r-fill-ink{fill:#0E1A3A}
.robot .r-fill-sun{fill:var(--sun)}
.robot .r-fill-white{fill:#fff}
.robot .r-stroke{stroke:#0E1A3A;stroke-width:5;stroke-linejoin:round;stroke-linecap:round}
.robot .r-line{fill:none;stroke:#0E1A3A;stroke-width:5;stroke-linecap:round}
.robot .eye-lid{transform-box:fill-box;transform-origin:center;animation:blink 5.5s infinite 3s}
.robot .arm-wave{transform-box:fill-box;transform-origin:15% 90%;animation:wave 1.4s ease-in-out 1.6s 2}
.robot .bulb{animation:pulse 2.4s ease-in-out infinite 2s}
/* boot sequence: parts drop in once on load */
.robot .part{opacity:0;transform:translateY(-26px);transform-box:fill-box;animation:drop .6s cubic-bezier(.2,1.3,.4,1) forwards}
.robot .p1{animation-delay:.15s}.robot .p2{animation-delay:.35s}.robot .p3{animation-delay:.55s}.robot .p4{animation-delay:.75s}.robot .p5{animation-delay:.95s}
.bubble{animation:fadein .5s 1.4s both}
@keyframes drop{to{opacity:1;transform:none}}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes blink{0%,94%,100%{transform:scaleY(1)}97%{transform:scaleY(.08)}}
@keyframes wave{0%,100%{transform:rotate(0)}50%{transform:rotate(-14deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* Sections */
section{padding:clamp(3.5rem,8vw,6.5rem) 0}
.section-head{display:grid;gap:1rem;margin-bottom:2.6rem;max-width:44rem}
.section-head p{color:var(--ink-soft);font-size:1.1rem}

/* Courses */
.courses{background:var(--white);border-block:2px solid var(--ink)}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;align-items:stretch}
@media (max-width:980px){.course-grid{grid-template-columns:1fr;max-width:620px}}
.course{position:relative;background:var(--paper);border:2px solid var(--ink);border-radius:var(--radius);padding:1.4rem;display:flex;flex-direction:column;gap:1rem;box-shadow:6px 6px 0 var(--ink);transition:transform .2s,box-shadow .2s}
.course:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.course.is-live{background:#FFF8E0}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .course.is-live{background:#2A2A1C}}
.course-art{height:150px;border-radius:12px;border:2px solid var(--ink);display:grid;place-items:center;background:var(--cobalt);color:#fff;overflow:hidden;position:relative}
.course-art .icon{width:72px;height:72px;stroke-width:1.4}
.course-art.art-doc{background:var(--cobalt)}
.course-art.art-shield{background:#0E1A3A}
.course-art.art-cal{background:var(--tomato)}
.course-art img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;top:.8rem;left:.8rem;font:700 .85rem/1 var(--body);padding:.4rem .65rem;border-radius:999px;border:2px solid #0E1A3A;background:var(--sun);color:#0E1A3A}
.tag.live{background:var(--tomato);color:#fff}
.price{font:800 1.7rem/1 var(--display);font-stretch:85%}
.price s{font-size:1rem;color:var(--ink-soft);margin-right:.4rem}
.course .for{font-size:.93rem;color:var(--ink-soft);font-weight:600}
.course p.blurb{font-size:1rem}
.more{border-top:2px dashed var(--line);padding-top:.9rem}
.more button{all:unset;cursor:pointer;display:flex;align-items:center;justify-content:space-between;width:100%;font-weight:700;padding:.2rem 0}
.more button:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:6px}
.more .icon{transition:transform .25s}
.more button[aria-expanded="true"] .icon{transform:rotate(45deg)}
.reveal{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.reveal.open{grid-template-rows:1fr}
.reveal>div{overflow:hidden}
.reveal ul{margin:.7rem 0 .2rem;padding-left:1.15rem;color:var(--ink-soft)}
.reveal li{margin-block:.3rem}
.course .btn{justify-content:center;margin-top:auto}

/* Approach */
.approach .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem 2rem}
@media (max-width:860px){.approach .grid{grid-template-columns:1fr}}
.rule{display:grid;gap:.7rem;align-content:start;border-top:3px solid var(--ink);padding-top:1.1rem}
.rule .icon{width:34px;height:34px;color:var(--cobalt)}
.rule p{color:var(--ink-soft)}
.quote-q{font:700 1.15rem/1.3 var(--display);font-stretch:90%;color:var(--ink)}

/* About */
.about{background:var(--ink);color:#EEF1FF}
.about h2{color:#fff}
.about .shell{display:grid;grid-template-columns:.8fr 1.2fr;gap:3rem;align-items:start}
@media (max-width:860px){.about .shell{grid-template-columns:1fr}}
.about p{color:#C9D1F2;margin-bottom:1rem}
.about a{color:var(--sun);text-underline-offset:4px}
.about .links{display:flex;flex-wrap:wrap;gap:.8rem 1.4rem;margin-top:1.4rem}
.about .links a{display:inline-flex;gap:.5rem;align-items:center;font-weight:700}

/* Community teaser */
.community .box{border:2px dashed var(--ink);border-radius:var(--radius);padding:clamp(1.5rem,4vw,2.6rem);display:grid;grid-template-columns:auto 1fr;gap:1.4rem;align-items:center;background:var(--white)}
.community .icon{width:52px;height:52px;color:var(--cobalt)}
.community h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.6rem}
@media (max-width:620px){.community .box{grid-template-columns:1fr}}

/* FAQ */
.faq-list{display:grid;gap:.8rem;max-width:46rem}
details{background:var(--white);border:2px solid var(--ink);border-radius:14px;padding:0 1.2rem}
summary{cursor:pointer;list-style:none;font:700 1.12rem/1.3 var(--display);font-stretch:90%;padding:1.05rem 0;display:flex;justify-content:space-between;gap:1rem;align-items:center}
summary::-webkit-details-marker{display:none}
summary .icon{transition:transform .25s}
details[open] summary .icon{transform:rotate(45deg)}
details p{padding-bottom:1.1rem;color:var(--ink-soft)}

/* Footer */
.site-footer{border-top:2px solid var(--ink);padding:2.4rem 0 3rem;font-size:.97rem;color:var(--ink-soft)}
.site-footer .shell{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center}
.site-footer nav{display:flex;gap:1.2rem;flex-wrap:wrap}
.site-footer a{text-underline-offset:4px}

/* Simple pages */
.doc{padding:clamp(3rem,8vw,6rem) 0;max-width:46rem}
.doc h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:1.5rem}
.doc h2{font-size:1.5rem;margin:2rem 0 .6rem}
.doc p,.doc li{color:var(--ink-soft)}
.doc p+p{margin-top:.9rem}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .robot .part,.bubble{opacity:1;transform:none}
}

.sprite-hidden{position:absolute;width:0;height:0;overflow:hidden}

.about .portrait{margin:1.6rem 0 0;border:3px solid var(--sun);border-radius:20px;overflow:hidden;box-shadow:8px 8px 0 var(--cobalt)}
.about .portrait img{display:block;width:100%;height:auto}