/* Aureoniox — sticker-book design system. Flat fills, 1px black outlines, no gradients, no shadows. */
:root{--carbon:#000;--paper:#fff;--sky:#dceeff;--gray:#ccc;--mist:#e9e9e9;--blue:#4da2ff;--mint:#55db9c;--lav:#e9ccff;--ember:#fb4903;--sun:#ffd731;--vio:#5c4ade;
--display:'Bowlby One',Impact,'Arial Black',sans-serif;--body:'Figtree',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,monospace;--max:1440px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--carbon);font-family:var(--body);font-weight:500;font-size:17px;line-height:1.5;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--vio);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.band{padding:clamp(56px,8vw,120px) 0;position:relative;overflow:hidden}
.band--sky{background:var(--sky)}.band--gray{background:var(--gray)}.band--blue{background:var(--blue)}.band--black{background:#000;color:#fff}
.eyebrow{font-weight:700;font-size:13px;letter-spacing:.032em;text-transform:uppercase;margin:0 0 16px}
.d{font-family:var(--display);font-weight:400;text-transform:uppercase;line-height:.84;letter-spacing:0;margin:0}
.d--xl{font-size:clamp(56px,13.5vw,230px);line-height:.8}
.d--lg{font-size:clamp(44px,9vw,150px)}
.d--md{font-size:clamp(34px,5vw,72px)}
.d--sm{font-size:clamp(26px,3vw,40px);line-height:.95}
h2.d{margin-bottom:28px}
.lead{font-size:clamp(18px,2vw,24px);line-height:1.3;font-weight:500;max-width:34em}
p{margin:0 0 1em}
/* marquee */
.marquee{background:#000;color:#fff;overflow:hidden;white-space:nowrap;font-weight:700;font-size:12px;letter-spacing:.032em;text-transform:uppercase}
.marquee__track{display:inline-flex;animation:marq 38s linear infinite;padding:9px 0}
.marquee__track span{padding:0 22px}.marquee__track span::after{content:"✦";margin-left:44px;color:var(--sun)}
@keyframes marq{to{transform:translateX(-50%)}}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid #000;display:flex;align-items:center;gap:16px;padding:12px 24px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-size:20px;text-transform:uppercase;line-height:1}
.logo__mark{width:42px;height:42px;border:1px solid #000;border-radius:50%;display:grid;place-items:center;background:var(--sun);font-size:22px}
.nav{display:flex;gap:4px;margin:0 auto}
.pill{display:inline-block;border:1px solid #000;border-radius:1600px;background:#fff;padding:11px 16px;font-weight:700;font-size:13px;letter-spacing:.032em;text-decoration:none;text-transform:uppercase;transition:background .15s,transform .15s;line-height:1}
.pill:hover,.pill[aria-current="page"]{background:var(--sun)}
.pill:hover{transform:translateY(-2px)}
.btn{display:inline-block;border:1px solid #000;border-radius:1600px;padding:14px 24px;font-weight:700;font-size:14px;letter-spacing:.032em;text-decoration:none;background:#fff;color:#000;cursor:pointer;font-family:var(--body);line-height:1.1;transition:background .15s,color .15s,transform .15s}
.btn:hover{background:var(--sun);transform:translateY(-2px)}
.btn--fill{background:#000;color:#fff}.btn--fill:hover{background:var(--vio);color:#fff}
.btn[disabled]{background:var(--mist);color:#777;cursor:not-allowed;transform:none}
.plus{display:none;width:44px;height:44px;border:1px solid #000;border-radius:50%;background:#fff;font-size:26px;font-weight:700;cursor:pointer;line-height:1;margin-left:auto;font-family:var(--body)}
@media(max-width:980px){.plus{display:block}.header-cta{display:none}.nav{display:none;width:100%;flex-direction:column;margin:8px 0 0}.nav.open{display:flex}.nav .pill{text-align:center;padding:15px}.site-header[data-open="1"] .plus{background:var(--sun);transform:rotate(45deg)}}
/* hero */
.hero{background:var(--sky);padding:clamp(40px,6vw,90px) 0 clamp(60px,8vw,110px);position:relative;overflow:hidden;min-height:min(92vh,880px)}
.hero__ribbon{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero__ribbon .sway{animation:sway 9s ease-in-out infinite alternate;transform-origin:50% 50%}
.hero__ribbon .hl{stroke-dasharray:2 26;animation:dash 2.4s linear infinite}
@keyframes dash{to{stroke-dashoffset:-56}}
@keyframes sway{from{transform:translateY(-14px) rotate(-.6deg)}to{transform:translateY(16px) rotate(.8deg)}}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.hero .d .ch{display:inline-block}
.js .hero .d .ch{opacity:0;transform:translateY(60%) rotate(7deg);animation:rise .7s cubic-bezier(.2,.9,.25,1.2) forwards;animation-delay:calc(var(--i)*38ms + .1s)}
@keyframes rise{to{opacity:1;transform:none}}
.hero .d .line{display:block}
.hero .d .line:nth-child(2){padding-left:clamp(0px,6vw,110px)}
.hero__sub{max-width:30em;background:#fff;border:1px solid #000;border-radius:30px;padding:22px 26px;position:relative;z-index:3}
.hero__cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.hero__stickers{position:absolute;right:max(24px,2vw);bottom:4%;width:min(46vw,640px);z-index:1;animation:bob 6s ease-in-out infinite}
.hero__stickers img{width:100%}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-18px) rotate(2deg)}}
@media(max-width:900px){.hero{min-height:0}.hero__stickers{position:relative;right:auto;bottom:auto;width:min(86vw,460px);margin:20px auto -20px}}
.reveal{opacity:1}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s,transform .6s}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.js .hero .d .ch,.js .reveal{opacity:1;transform:none}}
/* about */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,80px);align-items:center}
.about__img{border:1px solid #000;border-radius:40px;overflow:hidden;transform:rotate(2deg)}
.stat-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.tag{display:inline-block;border:1px solid #000;border-radius:1600px;padding:7px 14px;font-weight:700;font-size:12px;letter-spacing:.032em;text-transform:uppercase;background:#fff}
.tag--sun{background:var(--sun)}.tag--mint{background:var(--mint)}.tag--lav{background:var(--lav)}.tag--blue{background:var(--blue)}.tag--ember{background:var(--ember);color:#fff}
@media(max-width:820px){.about{grid-template-columns:1fr}}
/* banner */
.banner{position:relative;background:var(--blue);border-top:1px solid #000;border-bottom:1px solid #000}
.banner img{width:100%;height:clamp(260px,34vw,520px);object-fit:cover}
.banner__text{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(92%,980px);text-align:center;pointer-events:none}
.banner__text .d{background:#fff;border:1px solid #000;border-radius:30px;padding:.35em .5em .25em;display:inline-block;line-height:1;font-size:clamp(24px,5vw,72px)}
/* catalog */
.filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:28px}
.filters button{font-family:var(--body);cursor:pointer}
.filters button[aria-pressed="true"]{background:#000;color:#fff}
.catalog{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.tile{--tb:#fff;grid-column:span 4;background:var(--tb);border:1px solid #000;border-radius:28px;text-decoration:none;display:flex;flex-direction:column;overflow:hidden;transition:transform .2s;position:relative}
.tile:nth-child(1){grid-column:span 5}.tile:nth-child(2){grid-column:span 7;flex-direction:row}.tile:nth-child(6){grid-column:span 7;flex-direction:row}.tile:nth-child(7){grid-column:span 5}
.tile:nth-child(2) .tile__img,.tile:nth-child(6) .tile__img{width:42%;aspect-ratio:auto;border-bottom:0;border-right:1px solid #000}
.tile:nth-child(3n+1){--tb:var(--lav)}.tile:nth-child(3n+2){--tb:var(--mint)}.tile:nth-child(3n){--tb:var(--sun)}
.tile:hover{transform:rotate(-1.2deg) translateY(-6px)}.tile:nth-child(even):hover{transform:rotate(1.2deg) translateY(-6px)}
.tile__img{aspect-ratio:1/1;border-bottom:1px solid #000;overflow:hidden;background:#fff}
.tile__img img{width:100%;height:100%;object-fit:cover}
.tile__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.tile__top{display:flex;justify-content:space-between;gap:8px;align-items:center;flex-wrap:wrap}
.tile__name{font-family:var(--display);text-transform:uppercase;font-size:clamp(28px,3vw,44px);line-height:.88;margin:4px 0 0}
.tile__tag{margin:0;font-size:16px}
.price{display:inline-block;background:#000;color:#fff;border-radius:1600px;padding:8px 16px;font-weight:700;font-size:15px;letter-spacing:.02em;margin-top:auto;align-self:flex-start}
.price--free{background:var(--ember)}
@media(max-width:1020px){.tile,.tile:nth-child(n){grid-column:span 6;flex-direction:column}.tile:nth-child(n) .tile__img{width:100%;aspect-ratio:1/1;border-right:0;border-bottom:1px solid #000}}
@media(max-width:620px){.tile,.tile:nth-child(n){grid-column:span 12}}
/* learning paths */
.path{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start;position:relative}
.step{border:1px solid #000;border-radius:40px;padding:28px;position:relative;background:#fff}
.step:nth-child(1){background:var(--mint)}.step:nth-child(2){background:var(--sun);margin-top:56px}.step:nth-child(3){background:var(--lav);margin-top:112px}
.step__n{position:absolute;top:-22px;left:24px;background:#000;color:#fff;border-radius:1600px;font-weight:700;padding:6px 14px;font-size:13px;letter-spacing:.04em}
.step .d{margin:10px 0 14px}
.step:not(:last-child)::after{content:"→";position:absolute;right:-26px;top:50%;font-size:34px;font-weight:700;background:#fff;border:1px solid #000;border-radius:50%;width:44px;height:44px;display:grid;place-items:center;z-index:3;line-height:1;transform:translateY(-50%)}
.step ul{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.step li a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;border:1px solid #000;background:#fff;border-radius:1600px;padding:10px 16px;font-weight:700;font-size:15px;transition:background .15s}
.step li a:hover{background:#000;color:#fff}
@media(max-width:900px){.path{grid-template-columns:1fr}.step:nth-child(n){margin-top:0}.step:not(:last-child)::after{content:"↓";right:auto;left:50%;top:auto;bottom:-28px;transform:translateX(-50%)}}
/* material */
.material{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,64px);align-items:start}
.mlist{list-style:none;margin:0;padding:0;counter-reset:m}
.mlist li{counter-increment:m;display:grid;grid-template-columns:52px 1fr;gap:16px;padding:18px 0;border-top:1px solid #000;align-items:start}
.mlist li:last-child{border-bottom:1px solid #000}
.mlist li::before{content:counter(m);width:44px;height:44px;border:1px solid #000;border-radius:50%;display:grid;place-items:center;font-weight:700;background:var(--sun)}
.mlist li:nth-child(2)::before{background:var(--mint)}.mlist li:nth-child(3)::before{background:var(--lav)}.mlist li:nth-child(4)::before{background:var(--blue)}.mlist li:nth-child(5)::before{background:var(--ember);color:#fff}
.mlist h3{margin:0 0 4px;font-size:20px}.mlist p{margin:0}
.matrix-wrap{border:1px solid #000;border-radius:28px;overflow:auto;background:#fff}
.matrix{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
.matrix th,.matrix td{padding:11px 12px;text-align:center;border-bottom:1px solid #000}
.matrix th{background:#000;color:#fff;font-size:11px;letter-spacing:.04em;text-transform:uppercase}
.matrix th:first-child,.matrix td:first-child{text-align:left}
.matrix tr:last-child td{border-bottom:0}
.matrix td:first-child a{font-weight:700;text-decoration:none}
.dot{display:inline-block;width:18px;height:18px;border-radius:50%;border:1px solid #000;background:var(--mint)}
.dash{opacity:.35}
@media(max-width:900px){.material{grid-template-columns:1fr}}
/* benefits */
.benefit{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:center;margin-bottom:clamp(40px,6vw,88px)}
.benefit:last-child{margin-bottom:0}
.benefit:nth-child(even) .benefit__img{order:2}
.benefit__img{border:1px solid #000;border-radius:40px;overflow:hidden;max-width:460px;width:100%;justify-self:center;transition:transform .3s}
.benefit:nth-child(odd) .benefit__img{transform:rotate(-2.5deg)}.benefit:nth-child(even) .benefit__img{transform:rotate(2.5deg)}
.benefit__n{font-family:var(--display);font-size:clamp(64px,9vw,140px);line-height:.8;color:var(--blue);-webkit-text-stroke:1.5px #000;margin:0 0 6px}
@media(max-width:820px){.benefit{grid-template-columns:1fr}.benefit:nth-child(even) .benefit__img{order:0}}
/* practice */
.practice{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.term{border:1px solid #000;border-radius:28px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.term:nth-child(2){margin-top:40px}.term:nth-child(3){margin-top:12px}
.term__bar{background:#000;padding:10px 16px;display:flex;gap:6px;align-items:center;color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.term__bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.term__bar i:nth-child(1){background:var(--ember)}.term__bar i:nth-child(2){background:var(--sun)}.term__bar i:nth-child(3){background:var(--mint)}.term__bar span{margin-left:auto}
.term__body{padding:22px}
.term h3{font-family:var(--display);font-weight:400;text-transform:uppercase;font-size:28px;line-height:.95;margin:0 0 12px}
.code{font-family:var(--mono);font-size:13px;line-height:1.55;background:var(--sky);border:1px solid #000;border-radius:16px;padding:14px;margin:14px 0;overflow:auto;white-space:pre;font-weight:500}
.term:nth-child(2) .code{background:var(--lav)}.term:nth-child(3) .code{background:var(--mint)}
.term ul{margin:10px 0 16px;padding-left:20px}
.term .lbl{font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em;margin:14px 0 4px;display:block}
@media(max-width:980px){.practice{grid-template-columns:1fr}.term:nth-child(n){margin-top:0}}
/* faq */
details.faq{border:1px solid #000;border-radius:24px;background:#fff;margin-bottom:10px;overflow:hidden}
details.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:18px;display:flex;justify-content:space-between;gap:16px;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";flex:none;width:34px;height:34px;border:1px solid #000;border-radius:50%;display:grid;place-items:center;font-size:22px;background:var(--sun);transition:transform .2s}
details.faq[open] summary::after{transform:rotate(45deg);background:var(--mint)}
details.faq .ans{padding:0 22px 20px;max-width:46em}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,5vw,72px);align-items:start}
@media(max-width:820px){.faq-grid{grid-template-columns:1fr}}
.faq-cat{margin:40px 0 14px}
/* footer */
.footer{background:#000;color:#fff;padding:64px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer h2{font-family:var(--display);font-weight:400;text-transform:uppercase;font-size:28px;margin:0 0 18px;line-height:1}
.footer p,.footer li{font-size:15px;margin:0 0 10px}
.footer ul{list-style:none;padding:0;margin:0}
.footer a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4)}
.footer a:hover{color:var(--sun);border-color:var(--sun)}
.footer .logo{font-size:20px;border:0;margin-bottom:14px}
.footer__legal{margin-top:44px;padding-top:20px;border-top:1px solid #444;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#ccc}
@media(max-width:820px){.footer__grid{grid-template-columns:1fr}}
/* inner pages */
.page-head{background:var(--sky);padding:clamp(48px,7vw,100px) 0;border-bottom:1px solid #000;position:relative;overflow:hidden}
.page-head .stk{position:absolute;right:4%;top:50%;width:min(24vw,260px);transform:translateY(-50%) rotate(6deg);animation:bob 6s ease-in-out infinite}
@media(max-width:760px){.page-head .stk{display:none}}
.prose{max-width:46em}
.prose h2{font-family:var(--display);font-weight:400;text-transform:uppercase;font-size:clamp(24px,3vw,34px);line-height:1;margin:2.2em 0 .6em}
.prose h3{font-size:20px;margin:1.6em 0 .4em}
.prose ul{padding-left:22px}.prose li{margin-bottom:.5em}
.prose a{font-weight:700}
.prose .meta{font-weight:700;background:var(--sun);border:1px solid #000;border-radius:1600px;padding:6px 14px;display:inline-block;font-size:13px}
.ph{background:var(--sun);padding:0 4px;border-radius:4px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px)}
@media(max-width:820px){.two{grid-template-columns:1fr}}
.panel{border:1px solid #000;border-radius:30px;padding:28px;background:var(--lav)}
.panel--mint{background:var(--mint)}.panel--sun{background:var(--sun)}
.form label{display:block;font-weight:700;font-size:14px;margin:0 0 6px}
.form input,.form textarea,.form select{width:100%;border:1px solid #000;border-radius:18px;padding:14px 16px;font:inherit;background:#fff;margin-bottom:16px}
.form textarea{min-height:150px;resize:vertical}
/* product page */
.crumbs{font-size:14px;font-weight:700;margin-bottom:22px}.crumbs a{text-decoration:none;border-bottom:1px solid #000}
.pdp{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,5vw,72px);align-items:start}
.pdp__img{border:1px solid #000;border-radius:40px;overflow:hidden;position:sticky;top:96px;transform:rotate(-1.5deg)}
.pdp__buy{border:1px solid #000;border-radius:30px;background:var(--sun);padding:24px;margin:24px 0}
.pdp__price{font-family:var(--display);font-size:clamp(44px,6vw,80px);line-height:.85;margin:0 0 14px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin:0 0 16px}
.check input{width:20px;height:20px;margin-top:2px;accent-color:#000;flex:none}
.fine{font-size:13px;margin:14px 0 0}
.mod{list-style:none;padding:0;margin:0;counter-reset:mod}
.mod li{counter-increment:mod;display:grid;grid-template-columns:44px 1fr;gap:14px;padding:14px 0;border-top:1px solid #000}
.mod li::before{content:counter(mod,decimal-leading-zero);font-family:var(--display);font-size:26px;line-height:1}
.mod strong{display:block}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.pnav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:56px}
@media(max-width:900px){.pdp{grid-template-columns:1fr}.pdp__img{position:static;max-width:520px}}
details.mods{border:1px solid #000;border-radius:28px;background:#fff;margin-bottom:14px;overflow:hidden}
details.mods summary{cursor:pointer;list-style:none;padding:20px 24px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
details.mods summary::-webkit-details-marker{display:none}
details.mods summary img{width:56px;height:56px;border-radius:14px;border:1px solid #000}
details.mods summary .d{font-size:26px;flex:1;min-width:140px}
details.mods .mbody{padding:0 24px 22px}
/* loading */
.load{min-height:70vh;display:grid;place-items:center;text-align:center;background:var(--sky);padding:40px 24px}
.spin{width:84px;height:84px;border:10px solid #000;border-top-color:var(--sun);border-right-color:var(--ember);border-bottom-color:var(--mint);border-radius:50%;margin:0 auto 28px;animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.load__box{background:#fff;border:1px solid #000;border-radius:40px;padding:clamp(28px,5vw,56px);max-width:560px}

/* Aureoniox: centered social links at the bottom of every footer */
.footer__social{display:flex;justify-content:center;align-items:center;gap:16px;margin:36px 0 0}
.footer a.footer__social-link{width:50px;height:50px;border:1px solid #bdbdbd;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;background:#121212;text-decoration:none;transition:color .18s,background .18s,border-color .18s,transform .18s}
.footer a.footer__social-link:hover,.footer a.footer__social-link:focus-visible{color:#000;background:var(--sun);border-color:var(--sun);transform:translateY(-3px)}
.footer__social-link svg{display:block;flex-shrink:0}
.footer__legal{margin-top:22px}