/* ONSQ Enterprise Press storefront */
:root{--bg:#07090A;--bg2:#0D1113;--bg3:#141A1C;--gold:#FEE600;--gold-soft:#F0CE2A;
--cyan:#00C8CF;--cyan-hi:#4DE0E6;--text:#E7EDEE;--muted:#8A989A;--line:rgba(0,200,207,.16);
--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--text);font:400 1rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
h1,h2,h3,.disp{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:700;line-height:1.15;color:#fff}
.label{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.grad{background:linear-gradient(90deg,var(--gold),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-block;font-family:var(--mono);font-size:.82rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:15px 26px;border-radius:6px;border:1.5px solid transparent;cursor:pointer;text-align:center;transition:transform .15s,box-shadow .2s}
.btn:active{transform:scale(.98)}
.btn-gold{background:var(--gold);color:#0A0A0A}
.btn-gold:hover{background:var(--gold-soft);box-shadow:0 0 24px rgba(254,230,0,.3)}
.btn-line{border-color:var(--cyan);color:var(--cyan-hi)}
.btn-line:hover{background:rgba(0,200,207,.1)}
.btn-block{display:block;width:100%}
/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(7,9,10,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;max-width:1100px;margin:0 auto}
.wordmark{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.02rem;color:#fff;white-space:nowrap}
.hd-nav{display:flex;gap:18px;align-items:center}
.hd-nav a{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#cfe}
.hd-nav a:hover{color:var(--gold)}
.hd-nav .cart-link{border:1.5px solid var(--cyan);border-radius:6px;padding:8px 14px;color:var(--cyan-hi)}
@media(max-width:640px){.hd-nav a:not(.cart-link){display:none}}
/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 48px;text-align:center}
.hero .arch{position:absolute;top:-30px;left:50%;transform:translateX(-50%);width:min(860px,140vw);opacity:.5;pointer-events:none}
.hero h1{position:relative;font-size:clamp(1.9rem,6.5vw,3.2rem);max-width:760px;margin:0 auto}
.hero p{position:relative;color:var(--muted);font-size:1.05rem;max-width:520px;margin:18px auto 30px}
.hero .cta{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* sections */
.sec{padding:56px 0}
.sec-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;max-width:560px;margin:0 auto 36px}
.sec-head h2{font-size:clamp(1.5rem,4.5vw,2.1rem);margin-top:12px}
.sec-head p{color:var(--muted);margin-top:10px}
/* book grid */
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.bcard{display:grid;grid-template-columns:104px 1fr;gap:16px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:18px;transition:border-color .2s,transform .2s}
.bcard:hover{border-color:var(--cyan);transform:translateY(-2px)}
.bcard img{border-radius:5px;box-shadow:0 10px 26px rgba(0,0,0,.5)}
.bcard h3{font-size:1.04rem;margin-bottom:5px}
.bcard p{font-size:.84rem;color:var(--muted);margin-bottom:10px}
.bprice{font-family:"Space Grotesk",sans-serif;font-weight:700;color:var(--gold)}
.bcard .go{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan-hi);margin-top:8px;display:inline-block}
/* video */
.chgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.chhead{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:14px}
.chhead h3{font-size:.95rem;margin-top:5px}
.chhead .all{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);white-space:nowrap;padding-top:4px}
.vtc{display:block;margin-bottom:14px}
.vtc-th{aspect-ratio:16/9;background:var(--bg3);border-radius:6px;overflow:hidden;position:relative;margin-bottom:7px}
.vtc-th img{width:100%;height:100%;object-fit:cover}
.vtc-t{font-size:.82rem;color:#cdd;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vtc-d{font-family:var(--mono);font-size:.64rem;color:var(--muted);margin-top:3px}
.vplay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.vplay span{width:46px;height:46px;border-radius:50%;background:rgba(7,9,10,.72);border:1.5px solid var(--cyan);display:flex;align-items:center;justify-content:center;color:var(--cyan-hi)}
/* book page */
.bp-hero{padding:36px 0 28px}
.bp-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media(min-width:760px){.bp-grid{grid-template-columns:340px 1fr;gap:44px}.bp-hero{padding:56px 0 40px}}
.bp-cover{max-width:280px;margin:0 auto;border-radius:8px;box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 60px rgba(0,200,207,.12)}
@media(min-width:760px){.bp-cover{max-width:340px}}
.bp-hero h1{font-size:clamp(1.7rem,5.5vw,2.6rem);margin:10px 0 12px}
.bp-sub{color:var(--muted);font-size:1.02rem;max-width:560px}
.fmt-list{margin-top:26px;display:grid;gap:10px}
.fmt{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:15px 16px;transition:border-color .2s}
.fmt:hover{border-color:var(--cyan)}
.fmt.pick{border-color:var(--gold);background:linear-gradient(rgba(254,230,0,.05),rgba(254,230,0,.02))}
.fmt-name{font-family:"Space Grotesk",sans-serif;font-weight:600;color:#fff;font-size:.95rem}
.fmt-note{font-family:var(--mono);font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.fmt.pick .fmt-note{color:var(--gold)}
.fmt-buy{display:flex;align-items:center;gap:14px;flex-shrink:0}
.fmt-price{font-family:"Space Grotesk",sans-serif;font-weight:700;color:var(--gold);font-size:1.05rem}
.fmt-cta{font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--gold);color:#0a0a0a;border-radius:6px;padding:10px 14px;white-space:nowrap}
.fmt-cta.line{background:none;border:1.5px solid var(--cyan);color:var(--cyan-hi)}
.amzn{margin-top:14px;font-size:.82rem;color:var(--muted)}
.amzn a{color:var(--cyan-hi);border-bottom:1px solid rgba(0,200,207,.35)}
.prose{max-width:640px;margin:0 auto;font-size:1.02rem}
.prose p{margin-bottom:16px}
.prose .g{color:var(--gold-soft)}
.videobox{max-width:640px;margin:0 auto}
.videobox.vert{max-width:300px}
.vwrap{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--bg3)}
.vwrap.v{aspect-ratio:9/16}
.vwrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vrow{display:grid;gap:18px;max-width:760px;margin:0 auto}
@media(min-width:680px){.vrow.two{grid-template-columns:1fr 1fr}}
/* faq */
.faq{max-width:640px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;padding:17px 2px;font-family:"Space Grotesk",sans-serif;font-weight:600;color:#fff;font-size:.96rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-weight:400;flex-shrink:0}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--muted);font-size:.92rem;padding:0 2px 17px}
/* newsletter */
.news{padding:56px 0;text-align:center;background:var(--bg2);border-top:1px solid var(--line)}
.news h2{font-size:1.5rem;margin:12px 0 8px}
.news p{color:var(--muted);max-width:440px;margin:0 auto 24px}
.nform{display:flex;gap:10px;max-width:430px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.nform input{flex:1;min-width:210px;padding:14px 16px;border:1.5px solid var(--line);border-radius:6px;background:var(--bg3);color:#fff;font-size:16px}
.nform input::placeholder{color:var(--muted)}
/* footer */
.ft{border-top:1px solid var(--line);padding:36px 20px 90px;text-align:center}
.ft p{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.ft .ft-links{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.ft .ft-links a{font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;color:#9ab}
.ft .ft-links a:hover{color:var(--cyan-hi)}
/* sticky buy bar (mobile) */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(10,13,14,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:14px}
.buybar .bb-t{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:.88rem;color:#fff;line-height:1.25}
.buybar .bb-p{font-family:var(--mono);font-size:.72rem;color:var(--gold)}
.buybar .btn{padding:12px 20px;font-size:.74rem;white-space:nowrap}
@media(min-width:760px){.buybar{display:none}.ft{padding-bottom:36px}}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.skel{animation:sk 1.4s ease-in-out infinite}
@keyframes sk{0%,100%{opacity:1}50%{opacity:.35}}