/* ===== VAZHMOJ Ultra 2: refined system + native-app mobile ===== */
:root{color-scheme:light;--sp:8px;--hair:rgba(8,48,40,.1);--sh1:0 1px 2px rgba(4,32,27,.06),0 8px 24px -12px rgba(4,32,27,.18);--sh2:0 2px 4px rgba(4,32,27,.06),0 30px 70px -24px rgba(4,32,27,.35)}
@view-transition{navigation:auto}
::view-transition-old(root){animation:vtout .22s ease both}::view-transition-new(root){animation:vtin .38s cubic-bezier(.2,.8,.2,1) both}
@keyframes vtout{to{opacity:0;transform:translateY(-6px)}}@keyframes vtin{from{opacity:0;transform:translateY(10px)}}
html{-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}
h1,h2,h3{text-wrap:balance;letter-spacing:-.015em}p{text-wrap:pretty}
::selection{background:var(--turq);color:#04281f}
body{font-feature-settings:"kern","liga"}
.section{padding-block:clamp(56px,9vw,112px)}
.section h2,.page-head h1{font-weight:900;line-height:1.15}
.section h2{font-size:clamp(1.7rem,4vw,2.7rem)}
.section h2:after{content:"";display:block;width:56px;height:4px;border-radius:4px;margin-top:14px;background:linear-gradient(90deg,var(--turq),var(--gold))}
.section-head h2:after,.center h2:after,.page-head h1:after{margin-inline:auto}
.page-head{background:radial-gradient(900px 360px at 85% -20%,rgba(45,212,191,.35),transparent),linear-gradient(180deg,#05342c,#0a5a49);color:#fff;padding-block:clamp(110px,14vw,160px) clamp(48px,7vw,80px);position:relative;overflow:hidden}
.page-head p{color:#bfeadf;max-width:46em}.breadcrumb a{color:#9ff3e3}
.card{border:1px solid var(--hair)!important;box-shadow:var(--sh1);border-radius:24px!important;background:linear-gradient(180deg,#fff,#fbfefd)}
.card:hover{box-shadow:var(--sh2)!important}
.grid-3>.card:first-child{background:linear-gradient(145deg,#073d33,#0b6b57);color:#e8fff9}.grid-3>.card:first-child h3{color:#fff}.grid-3>.card:first-child p{color:#bfeadf}
.faq-item{border:1px solid var(--hair);border-radius:20px;background:#fff;box-shadow:var(--sh1)}
.level{border-radius:20px;border:1px solid var(--hair);box-shadow:var(--sh1)}
.chapter-title{font-weight:900;letter-spacing:-.01em;padding-top:12px}
input,select{border-radius:16px;border:1.5px solid var(--hair);min-height:48px;background:#fff;transition:border-color .2s,box-shadow .2s}input:focus,select:focus{border-color:var(--emerald);box-shadow:0 0 0 4px rgba(16,185,129,.18);outline:0}
footer,#site-footer{background:radial-gradient(800px 300px at 20% 0,rgba(16,185,129,.18),transparent),#03140f!important}
@supports(animation-timeline:view()){
 .hero-visual .phone.back{animation:pxb linear both;animation-timeline:scroll(root);animation-range:0 600px}
 .hero-visual .phone.front{animation:pxf linear both;animation-timeline:scroll(root);animation-range:0 600px}
 @keyframes pxb{to{translate:0 -40px;rotate:-3deg}}@keyframes pxf{to{translate:0 60px}}
 .hero-logo{animation-timeline:auto}
}
.tabbar{display:none}
/* ---------- Mobile: native-app experience ---------- */
@media(max-width:820px){
 body{padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))!important;-webkit-tap-highlight-color:transparent}
 .m-cta{display:none!important}.hcta{display:none}
 .header{padding-block:8px}.header .container{min-height:52px}
 .brand-logo{width:38px;height:38px}
 .header .burger,#burger{display:none!important}
 .hero{padding-top:92px!important;text-align:center}
 .hero .container{gap:28px}.hero h1{font-size:clamp(2.6rem,13vw,3.6rem)!important}
 .hero-logo{margin-inline:auto;display:block}
 .hero-cta{display:grid!important;grid-template-columns:1fr 1fr;gap:10px!important}.hero-cta .btn:first-child{grid-column:1/-1}
 .btn{min-height:50px;justify-content:center;font-size:1rem}
 .hero-stats{display:grid!important;grid-template-columns:repeat(3,1fr);gap:8px!important}.hero-stats>div{padding:12px 6px!important;font-size:.78rem}.hero-stats strong{display:block;font-size:1.25rem}
 .hero-visual{height:auto;min-height:340px}
 .section{padding-block:44px}.container{padding-inline:18px}
 .section h2{font-size:1.65rem}
 /* swipeable rails instead of long stacks */
 .grid-3,.gallery{display:flex!important;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px!important;margin-inline:-18px;padding:6px 18px 18px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
 .grid-3::-webkit-scrollbar,.gallery::-webkit-scrollbar{display:none}
 .grid-3>*,.gallery>*{flex:0 0 82%;scroll-snap-align:center}
 #vg.grid-3{display:grid!important;overflow:visible;margin:0;padding:0}#vg.grid-3>*{flex:none}
 .levels{grid-template-columns:repeat(5,1fr)!important;gap:8px!important}
 .card{padding:20px!important}
 .level-tools{position:sticky;top:60px;z-index:20;background:rgba(244,248,247,.9);backdrop-filter:blur(14px);padding:10px 0;margin-inline:-18px;padding-inline:18px}
 .split{gap:28px!important}.play-frame{height:calc(100svh - 190px)!important;max-width:100%!important;border-width:6px!important;border-radius:30px!important}
 /* bottom sheet menu */
 .nav{display:none!important}
 .nav.open{display:flex!important;position:fixed!important;inset:auto 0 0 0!important;top:auto!important;z-index:200;flex-direction:column;gap:2px;padding:14px 18px calc(110px + env(safe-area-inset-bottom,0px))!important;border-radius:28px 28px 0 0!important;background:rgba(4,32,27,.98)!important;max-height:78svh;overflow:auto;box-shadow:0 -30px 80px rgba(0,0,0,.55);animation:sheet .45s cubic-bezier(.2,.8,.2,1)}
 .nav.open:before{content:"";width:44px;height:5px;border-radius:5px;background:rgba(255,255,255,.25);margin:0 auto 10px}
 .nav.open a{padding:15px 14px!important;border-radius:16px;font-size:1.05rem}
 @keyframes sheet{from{transform:translateY(100%)}}
 .tabbar{display:grid;grid-template-columns:repeat(5,1fr);align-items:end;position:fixed;z-index:210;inset-inline:10px;bottom:calc(10px + env(safe-area-inset-bottom,0px));padding:8px 6px;border-radius:28px;background:rgba(4,32,27,.82);backdrop-filter:blur(22px) saturate(1.7);-webkit-backdrop-filter:blur(22px) saturate(1.7);border:1px solid rgba(255,255,255,.14);box-shadow:0 20px 50px -10px rgba(0,0,0,.6)}
 .tabbar a,.tabbar button{display:grid;justify-items:center;gap:3px;color:#a9d8cc;text-decoration:none;font:inherit;font-size:.68rem;font-weight:700;background:none;border:0;padding:6px 0;min-height:52px;border-radius:18px;transition:color .2s,transform .25s}
 .tabbar svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
 .tabbar .on{color:#fff}.tabbar .on svg{stroke:var(--turq)}.tabbar :active{transform:scale(.92)}
 .tabbar .fab{transform:translateY(-14px);color:#2b1d00}.tabbar .fab i{width:58px;height:58px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(135deg,#ffd86b,#f5c04a 55%,#e39b1e);box-shadow:0 14px 30px -6px rgba(245,192,74,.7),0 0 0 4px rgba(4,32,27,.9)}
 .tabbar .fab svg{stroke:#2b1d00;width:26px;height:26px}.tabbar .fab span{color:#fff;margin-top:2px}
 footer,#site-footer{padding-bottom:30px}
}
@media(max-width:380px){.tabbar{inset-inline:6px}.tabbar a,.tabbar button{font-size:.62rem}}

/* 1,500-level guide pagination */
.guide-summary{margin:18px 0}
.guide-pager{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:16px 0;padding:12px 14px;border:1px solid var(--gray-2);border-radius:16px;background:var(--surface,#fff)}
.guide-pager-actions{display:flex;gap:8px;align-items:center}
.guide-pager button:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}
@media(max-width:520px){.guide-pager{align-items:stretch;flex-direction:column}.guide-pager-actions{display:grid;grid-template-columns:1fr 1fr}.guide-pager-actions .btn{margin:0}}