/* Tokens copied from the app's src/App.css (shadcn "base-lyra", neutral + teal, radius 0). */
:root{
  --background:oklch(1 0 0);--foreground:oklch(0.145 0 0);
  --card:oklch(1 0 0);--muted:oklch(0.97 0 0);--muted-foreground:oklch(0.556 0 0);
  --primary:oklch(0.511 0.096 186.391);--primary-foreground:oklch(0.984 0.014 180.72);
  --primary-hover:oklch(0.46 0.09 186.391);
  --teal-text:oklch(0.511 0.096 186.391);
  --border:oklch(0.922 0 0);--ring:oklch(0.708 0 0);
  --sidebar:oklch(0.985 0 0);--sidebar-primary:oklch(0.6 0.118 184.704);
  --font:"Fira Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  color-scheme:light;
}
:root.dark{
  --background:oklch(0.145 0 0);--foreground:oklch(0.985 0 0);
  --card:oklch(0.205 0 0);--muted:oklch(0.269 0 0);--muted-foreground:oklch(0.708 0 0);
  --primary:oklch(0.437 0.078 188.216);--primary-foreground:oklch(0.984 0.014 180.72);
  --primary-hover:oklch(0.49 0.085 188.216);
  --teal-text:oklch(0.704 0.14 182.503);
  --border:oklch(1 0 0 / 10%);--ring:oklch(0.556 0 0);
  --sidebar:oklch(0.205 0 0);--sidebar-primary:oklch(0.704 0.14 182.503);
  color-scheme:dark;
}
*{box-sizing:border-box;border-radius:0}
html{scroll-behavior:smooth}
body{margin:0;background:var(--background);color:var(--foreground);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--teal-text);text-underline-offset:3px}
img,svg{max-width:100%;display:block}
h1,h2,h3{font-weight:600;letter-spacing:-.025em;line-height:1.1;margin:0}
p{margin:0}
code,kbd{font-family:var(--mono);font-size:.88em}
:not(pre)>code{background:var(--muted);border:1px solid var(--border);padding:.08em .35em}
pre{margin:0;font:400 .85rem/1.65 var(--mono);overflow:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.measure{max-width:64ch}
.muted{color:var(--muted-foreground)}
:focus-visible{outline:2px solid var(--ring);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--primary);color:var(--primary-foreground);padding:8px 12px;z-index:50}
.skip:focus{left:8px}

/* header */
.site-header{position:sticky;top:0;z-index:30;background:var(--background);border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;align-items:center;gap:28px;height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--foreground);text-decoration:none;letter-spacing:-.02em}
.brand img{width:26px;height:26px}
.nav{display:flex;align-items:center;gap:22px;flex:1}
.nav a{color:var(--muted-foreground);text-decoration:none;font-size:.92rem;font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{color:var(--foreground)}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;background:none;border:1px solid var(--border);color:var(--foreground);cursor:pointer}
.icon-btn:hover{background:var(--muted)}
.icon-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.menu-btn{display:none}
@media(max-width:760px){
  .menu-btn{display:grid}
  .nav{display:none;position:absolute;top:56px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:16px;padding:18px 24px;background:var(--background);border-bottom:1px solid var(--border)}
  .nav.open{display:flex}
  .site-header .wrap{gap:12px}
  .header-actions .btn{display:none}
}

/* buttons (shadcn: sharp, 500 weight) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border:1px solid var(--border);background:var(--background);color:var(--foreground);font:500 .92rem var(--font);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--muted)}
.btn:active{transform:translateY(1px)}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-foreground)}
.btn.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn.sm{height:34px;padding:0 14px;font-size:.85rem}
.btn.lg{height:46px;padding:0 24px;font-size:1rem}

/* hero */
.hero{padding:72px 0 0}
.hero h1{font-size:clamp(2.4rem,6.2vw,4.4rem);max-width:19ch}
.hero .lead{margin-top:22px;font-size:1.15rem;color:var(--muted-foreground);max-width:56ch}
.hero .cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;align-items:center}
.hero .fine{margin-top:14px;font-size:.85rem;color:var(--muted-foreground)}

/* app window mock (a faithful miniature of the real UI) */
.shot{margin-top:56px;border:1px solid var(--border);background:var(--card);box-shadow:12px 12px 0 var(--primary)}
.shot-bar{display:flex;align-items:center;gap:7px;height:34px;padding:0 12px;border-bottom:1px solid var(--border);background:var(--sidebar)}
.shot-bar i{width:10px;height:10px;background:var(--border);display:block}
.shot-bar span{margin-left:8px;font-size:.75rem;color:var(--muted-foreground)}
.app{display:grid;grid-template-columns:168px 188px 1fr;min-height:360px}
.app-nav{background:var(--sidebar);border-right:1px solid var(--border);padding:10px 8px;display:flex;flex-direction:column;gap:2px;font-size:.82rem}
.app-nav b{display:flex;align-items:center;gap:8px;padding:6px 8px;font-weight:600;margin-bottom:8px}
.app-nav b img{width:18px;height:18px}
.app-nav a{display:flex;align-items:center;gap:9px;padding:7px 8px;color:var(--muted-foreground);text-decoration:none;font-weight:500}
.app-nav a.on{background:var(--muted);color:var(--foreground)}
.app-nav svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;flex:none}
.app-files{border-right:1px solid var(--border);padding:12px 0;font-size:.82rem}
.app-files h4{margin:0 12px 8px;font-size:.75rem;font-weight:600;color:var(--muted-foreground)}
.app-files div{display:flex;justify-content:space-between;padding:6px 12px;color:var(--muted-foreground)}
.app-files div.on{background:var(--muted);color:var(--foreground)}
.app-files em{font-style:normal;font-family:var(--mono);font-size:.7rem;color:var(--teal-text)}
.app-main{display:grid;grid-template-rows:1fr auto;min-width:0}
.app-tabs{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding:0 12px;height:36px;font-size:.8rem}
.app-tabs .run{background:var(--primary);color:var(--primary-foreground);padding:3px 12px;font-weight:500;font-size:.78rem}
.app-code{padding:14px 16px;overflow:hidden}
.k{color:var(--teal-text);font-weight:500}.s{color:oklch(0.6 0.13 60)}.c{color:var(--muted-foreground)}.f{color:var(--foreground);font-weight:500}
.app-console{border-top:1px solid var(--border);background:var(--muted);padding:10px 16px 12px;font:400 .8rem/1.6 var(--mono)}
.app-console small{display:block;font:500 .72rem var(--font);color:var(--muted-foreground);margin-bottom:4px}
@media(max-width:860px){.app{grid-template-columns:1fr}.app-nav,.app-files{display:none}.shot{box-shadow:6px 6px 0 var(--primary)}}

/* sections */
section{padding:88px 0}
.sec-head{margin-bottom:36px}
.sec-head h2{font-size:clamp(1.7rem,3.6vw,2.4rem);max-width:22ch}
.sec-head p{margin-top:12px;color:var(--muted-foreground);max-width:58ch}
.lang-row{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--border)}
.lang-row div{padding:20px 16px;border-right:1px solid var(--border)}
.lang-row div:last-child{border-right:0}
.lang-row strong{display:block;font-weight:600;font-size:1.05rem}
.lang-row code{background:none;border:0;padding:0;color:var(--teal-text);font-size:.8rem}
@media(max-width:760px){.lang-row{grid-template-columns:repeat(2,1fr)}.lang-row div{border-bottom:1px solid var(--border)}.lang-row div:nth-child(2n){border-right:0}}

.mods{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--border);border:1px solid var(--border)}
.mod{background:var(--background);padding:26px;grid-column:span 2}
.mod.w3{grid-column:span 3}
.mod .ico{width:34px;height:34px;display:grid;place-items:center;background:var(--primary);color:var(--primary-foreground);margin-bottom:18px}
.mod .ico svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2}
.mod h3{font-size:1.2rem;margin-bottom:8px}
.mod p{color:var(--muted-foreground);font-size:.96rem}
.mod ul{margin:14px 0 0;padding:0;list-style:none;font-size:.88rem}
.mod li{padding:6px 0;border-top:1px solid var(--border)}
@media(max-width:900px){.mod,.mod.w3{grid-column:span 6}}

.tint{background:var(--muted);border-block:1px solid var(--border)}
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border)}
.dl{background:var(--background);padding:24px;display:flex;flex-direction:column;gap:6px}
.dl h3{font-size:1.1rem}
.dl p{font-size:.88rem;color:var(--muted-foreground);flex:1;margin-bottom:12px}
.dl .more{font-size:.82rem;display:flex;gap:12px;flex-wrap:wrap;margin-top:10px;height:1.5em;line-height:1.5}
.dl.rec{outline:2px solid var(--primary);outline-offset:-2px}
@media(max-width:900px){.dl-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.dl-grid{grid-template-columns:1fr}}
.dl-note{margin-top:16px;font-size:.88rem;color:var(--muted-foreground)}

.faq{border:1px solid var(--border);max-width:780px}
.faq details{border-bottom:1px solid var(--border);padding:16px 20px}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--teal-text)}
.faq details[open] summary::after{content:"\2212"}
.faq p{margin-top:10px;color:var(--muted-foreground);max-width:62ch}

/* inner pages */
.wrap.page{padding:56px 24px 96px}
.page h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:14px}
.page h2{font-size:1.4rem;margin:2.2em 0 .6em}
.page h3{font-size:1.05rem;margin:1.6em 0 .4em}
.page p,.page li{max-width:66ch}
.page p{margin-bottom:1em}
.page ul,.page ol{padding-left:1.2em}
.page li{margin-bottom:.4em}
.callout{border:1px solid var(--border);border-left:3px solid var(--primary);padding:12px 16px;margin:1.4em 0;background:var(--muted);max-width:66ch}
.docs-layout{display:grid;grid-template-columns:200px 1fr;gap:56px}
.docs-nav{position:sticky;top:80px;align-self:start;font-size:.92rem;display:flex;flex-direction:column;border-left:1px solid var(--border)}
.docs-nav a{padding:6px 14px;color:var(--muted-foreground);text-decoration:none;margin-left:-1px;border-left:2px solid transparent}
.docs-nav a[aria-current="page"]{color:var(--foreground);border-left-color:var(--primary);font-weight:500}
@media(max-width:800px){.docs-layout{grid-template-columns:1fr;gap:24px}.docs-nav{position:static;flex-direction:row;flex-wrap:wrap;border:0;gap:4px}.docs-nav a{border:1px solid var(--border);margin:0}}
.doc-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);margin-top:28px}
.doc-cards a{background:var(--background);padding:22px;text-decoration:none;color:var(--foreground)}
.doc-cards a:hover{background:var(--muted)}
.doc-cards strong{display:block;margin-bottom:4px}
.doc-cards span{color:var(--muted-foreground);font-size:.9rem}
.post-list{border:1px solid var(--border);margin-top:28px}
.post-list a{display:block;padding:22px;text-decoration:none;color:var(--foreground);border-bottom:1px solid var(--border)}
.post-list a:last-child{border-bottom:0}
.post-list a:hover{background:var(--muted)}
.post-list time,.meta{font-size:.82rem;color:var(--muted-foreground)}
.post-list h3{margin:4px 0 6px;font-size:1.2rem}
.steps{counter-reset:s;list-style:none;padding:0;border:1px solid var(--border);max-width:620px}
.steps li{counter-increment:s;display:flex;gap:16px;padding:16px 18px;border-bottom:1px solid var(--border);margin:0}
.steps li:last-child{border-bottom:0}
.steps li::before{content:counter(s);flex:none;width:26px;height:26px;display:grid;place-items:center;background:var(--primary);color:var(--primary-foreground);font-weight:600;font-size:.85rem}

footer.site-footer{border-top:1px solid var(--border);padding:36px 0;font-size:.88rem;color:var(--muted-foreground)}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px 36px;justify-content:space-between}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted-foreground)}
footer a:hover{color:var(--foreground)}

/* one deliberate moment: the hero window slides in once */
@media (prefers-reduced-motion:no-preference){
  .shot{animation:rise .7s cubic-bezier(.2,.7,.2,1) both .1s}
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.page .steps{padding:0}

.shot{margin:56px 0 0}
.shot img{width:100%;height:auto;display:block}
.soon{margin-top:18px;color:var(--muted-foreground);font-size:.95rem;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag{border:1px solid var(--primary);color:var(--teal-text);font-size:.78rem;font-weight:600;padding:2px 8px}

.dark .img-light{display:none}
:root:not(.dark) .img-dark{display:none}

/* ---- pricing + college teaser ---- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);margin-top:32px}
.plan{background:var(--background);padding:28px;display:flex;flex-direction:column}
.plan.rec{outline:2px solid var(--primary);outline-offset:-2px}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-top h3{margin:0;font-size:1.25rem}
.tag.ok{background:var(--primary);color:var(--primary-foreground)}
.price{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin:18px 0 6px}
.plan-blurb{color:var(--muted-foreground);font-size:.95rem;margin-bottom:20px;min-height:3.2em}
.plan .btn{align-self:flex-start;margin-bottom:22px}
.feat{list-style:none;margin:0;padding:0;font-size:.93rem;border-top:1px solid var(--border)}
.page .feat{padding:0}
.feat li{display:flex;gap:10px;padding:9px 0;border-bottom:1px solid var(--border);margin:0}
.feat li:last-child{border-bottom:0}
.feat svg{width:16px;height:16px;flex:none;margin-top:3px;stroke:var(--teal-text);fill:none;stroke-width:2.5}
.college{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.college h2{font-size:clamp(1.6rem,3.2vw,2.2rem);margin-bottom:10px}
.college p{margin-bottom:18px}
.soon-list{list-style:none;margin:0;padding:0;border:1px solid var(--border);background:var(--background)}
.soon-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}
.soon-list li:last-child{border-bottom:0}
.page .faq{margin-top:16px}
.page .faq p{margin-bottom:0}
.nav-dl{display:none}

/* ---- mobile ---- */
html{-webkit-text-size-adjust:100%}
body{overflow-x:clip}
@media(max-width:900px){
  .plans{grid-template-columns:1fr}
  .plan-blurb{min-height:0}
  .college{grid-template-columns:1fr;gap:24px}
}
@media(max-width:760px){
  .wrap{padding:0 18px}
  .wrap.page{padding:40px 18px 72px}
  section{padding:56px 0}
  .hero{padding-top:44px}
  .hero .cta .btn{flex:1 1 100%}
  .shot{margin-top:36px;overflow:hidden;aspect-ratio:2/3}
  .shot img{width:330%;max-width:none;margin-left:-79%}
  .icon-btn{width:44px;height:44px}
  .nav{padding:16px 18px 20px}
  .nav a{font-size:1rem;padding:4px 0}
  .nav .nav-dl{display:inline-flex;align-self:stretch;justify-content:center;height:44px;padding:0 18px;margin-top:6px}
  .nav .btn.primary{color:var(--primary-foreground)}
  .faq summary{padding:4px 0}
  .docs-nav a{padding:10px 14px}
  .dl{padding:20px}
  .btn{min-height:44px}
  .plan{padding:22px}
  footer .wrap{flex-direction:column;gap:18px}
}