.site-header{background:rgba(255,255,255,.96)!important;backdrop-filter:blur(16px);border-bottom:1px solid #edf0f8;box-shadow:0 8px 30px rgba(30,45,90,.05)}
.site-header .studiare-logo img{max-height:48px!important;width:auto!important}.site-header .studiare-navigation a{font-weight:750}.site-header .navigation-right .button,.site-header .navigation-right a.button{border-radius:12px!important}
:root{--n:#07183f;--b:#2e56d6;--v:#6f35e6;--p:#cc2aa1;--ink:#0c1634;--mut:#64708b;--line:#dfe6f4;--soft:#f7f8ff;--soft2:#fbf9ff}
.zst-v5{width:100vw;position:relative;right:50%;margin-right:-50vw;background:#fff;color:var(--ink);overflow:hidden;line-height:1.9}.zst-v5 *{box-sizing:border-box}.zst5-container{width:min(1220px,calc(100% - 36px));margin:0 auto}.zst-v5 h1,.zst-v5 h2,.zst-v5 p{margin-top:0}.zst-v5 strong{color:var(--v)}
.zst5-eyebrow{display:inline-block;font-size:14px;font-weight:900;color:#9b6d00;margin-bottom:10px}.zst5-world{display:inline-flex;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid #e3e7f2;box-shadow:0 8px 24px rgba(32,50,90,.06);font-size:13px;font-weight:800;color:#394761;margin-bottom:12px}.zst5-world+ h1{margin-top:8px}.zst5-primary,.zst5-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 26px;border-radius:13px;text-decoration:none!important;font-weight:900;transition:.25s}.zst5-primary{background:linear-gradient(100deg,#5135cf,#8b39ef);color:#fff!important;box-shadow:0 16px 30px rgba(92,53,210,.22)}.zst5-secondary{background:#fff;color:var(--n)!important;border:1px solid #cfd7e8}.zst5-primary:hover,.zst5-secondary:hover{transform:translateY(-3px)}

.zst5-hero{position:relative;padding:58px 0 36px;background:radial-gradient(circle at 83% 16%,rgba(116,87,232,.12),transparent 30%),linear-gradient(180deg,#fff,#f8f9ff)}.zst5-hero:before{content:"";position:absolute;inset:0;background-image:var(--zst-lines);background-position:left -100px top -100px;background-size:520px;background-repeat:no-repeat;opacity:.12}.zst5-hero-grid{position:relative;display:grid;grid-template-columns:.93fr 1.07fr;gap:38px;align-items:center}.zst5-copy h1{font-size:clamp(46px,5.5vw,78px);line-height:1.15;color:var(--n);font-weight:950;letter-spacing:-.04em;margin:4px 0 18px}.zst5-copy h1 strong{display:block;background:linear-gradient(90deg,#2f53d6,#7035e5,#c62ca2);-webkit-background-clip:text;background-clip:text;color:transparent}.zst5-copy>p{font-size:17px;color:#40506b;max-width:630px}.zst5-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.zst5-safe{margin-top:16px;padding:11px 14px;border-radius:10px;background:#fff;border-right:3px solid #6f35e6;color:#667085;font-size:13px}.zst5-safe b{color:var(--n)}.zst5-hero-art{position:relative}.zst5-hero-art img{display:block;width:100%;border-radius:28px;box-shadow:0 30px 70px rgba(41,52,103,.13);border:8px solid #fff}

.zst5-statbar{position:relative;z-index:4;padding:0 0 30px}.zst5-statgrid{background:linear-gradient(100deg,#0b153e,#141852,#0b153e);color:#fff;border-radius:24px;padding:24px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;box-shadow:0 20px 45px rgba(10,19,56,.18)}.zst5-statgrid>div{padding:0 22px;border-left:1px solid rgba(255,255,255,.14)}.zst5-statgrid>div:last-child{border-left:0}.zst5-statgrid b{display:block;font-size:18px}.zst5-statgrid span{display:block;color:#bec8e1;font-size:12px}

.zst5-compare{padding:70px 0;background:#fff}.zst5-compare-grid{display:grid;grid-template-columns:1.25fr repeat(2,.75fr) .65fr;gap:16px;align-items:stretch}.zst5-compare-copy{padding:22px 8px}.zst5-compare-copy>span,.zst5-rx-copy>span,.zst5-bomb-grid>div>span,.zst5-section-head>span{color:#6841d6;font-weight:900;font-size:14px}.zst5-compare-copy h2,.zst5-rx-copy h2,.zst5-section-head h2{font-size:clamp(30px,3.3vw,46px);line-height:1.45;color:var(--n);margin:8px 0 12px}.zst5-compare-copy p{color:var(--mut);font-size:15px}.zst5-radar-card,.zst5-fingerprint-card{border:1px solid #e2e7f2;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(29,47,95,.07);padding:20px;text-align:center}.zst5-radar-card small{font-weight:800;color:#58647d}.zst5-radar-card b{display:block;color:var(--n);margin-top:10px}.zst5-radar-shape{width:120px;height:110px;margin:14px auto 4px;background:conic-gradient(from 40deg,#7a52e8,#bfaefb,#7555e6,#e0d9ff,#7a52e8);clip-path:polygon(50% 0,92% 25%,82% 78%,50% 100%,14% 76%,6% 28%);opacity:.82;filter:drop-shadow(0 5px 12px rgba(102,66,210,.17))}.zst5-radar-shape.r2{transform:scale(.88) rotate(15deg)}.zst5-fingerprint-card{display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(180deg,#fff,#f8f5ff)}.zst5-fingerprint-card span{font-size:72px;line-height:1;color:#6c42d8}.zst5-fingerprint-card b{color:#58647d;font-size:13px}.zst5-fingerprint-card strong{margin-top:8px}

.zst5-ai{padding:86px 0;background:linear-gradient(135deg,#0d153e,#20206a);color:#fff;position:relative}.zst5-ai:before{content:"";position:absolute;inset:0;background-image:var(--zst-lines);opacity:.05;background-size:560px;background-repeat:no-repeat;background-position:left center}.zst5-ai-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.zst5-eyebrow.light{color:#f3b5ff}.zst5-ai-copy h2{font-size:clamp(34px,4vw,56px);line-height:1.45;margin:10px 0 16px}.zst5-ai-copy h2 strong{color:#d77dff}.zst5-ai-copy p{color:#cad3ea;font-size:16px}.zst5-ai-copy ul{list-style:none;margin:24px 0 0;padding:0}.zst5-ai-copy li{padding:8px 32px 8px 0;position:relative;color:#e4e9f7}.zst5-ai-copy li:before{content:"✓";position:absolute;right:0;color:#79f0cd;font-weight:900}.zst5-fingerprint-big{min-height:410px;display:grid;place-items:center;position:relative}.zst5-fp-lines{width:330px;height:330px;border-radius:50%;background:repeating-radial-gradient(ellipse at center,transparent 0 9px,rgba(190,111,255,.82) 10px 12px,transparent 13px 18px);filter:drop-shadow(0 0 18px rgba(169,89,255,.28));transform:scaleX(.78)}.zst5-ai-card{position:absolute;right:14px;top:65px;background:#fff;color:#17213f;border-radius:20px;padding:18px 20px;box-shadow:0 20px 50px rgba(0,0,0,.22);min-width:225px}.zst5-ai-card b{display:block;margin-bottom:8px;color:#151d3f}.zst5-ai-card span{display:block;padding:6px 0;border-bottom:1px solid #edf0f6;font-size:12px;color:#5b6680}

.zst5-journey{padding:82px 0;background:#fff}.zst5-section-head{text-align:center;max-width:900px;margin:0 auto 35px}.zst5-section-head p{color:var(--mut)}.zst5-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.zst5-steps article{position:relative;padding:22px 15px;background:#fff;border:1px solid #e1e6f1;border-radius:18px;text-align:center;box-shadow:0 12px 30px rgba(31,48,92,.05)}.zst5-steps i{display:grid;place-items:center;width:46px;height:46px;margin:0 auto 12px;border-radius:50%;background:#f1ecff;color:#6f35e6;font-style:normal;font-weight:900}.zst5-steps b{display:block;color:var(--n);font-size:17px}.zst5-steps p{font-size:12px;color:#74809a;margin:5px 0 0}

.zst5-rx{padding:78px 0;background:linear-gradient(180deg,#f8f9ff,#fff)}.zst5-rx-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.zst5-dashboard{position:relative;padding:22px;background:#fff;border:1px solid #e0e6f2;border-radius:26px;box-shadow:0 24px 55px rgba(31,52,96,.09)}.zst5-dashboard img{display:block;width:100%;border-radius:17px}.zst5-dashboard-tag{position:absolute;right:8px;bottom:8px;background:#111a4b;color:#fff;border-radius:15px;padding:12px 16px;font-size:11px}.zst5-dashboard-tag b{display:block}.zst5-rx-copy p{color:var(--mut);font-size:16px}.zst5-dose{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}.zst5-dose>div{padding:14px;border:1px solid #e0e5f0;border-radius:14px;background:#fff}.zst5-dose b{display:block;color:var(--n)}.zst5-dose span{font-size:11px;color:#74809a}

.zst5-bomb{padding:78px 0;background:#fff}.zst5-bomb-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}.zst5-bomb-grid h2{font-size:clamp(31px,3.7vw,50px);line-height:1.45;color:var(--n);margin:9px 0}.zst5-bomb-grid p{color:var(--mut)}.zst5-bomb-cards{display:grid;grid-template-columns:1fr;gap:12px}.zst5-bomb-cards>div{padding:20px;border-radius:18px;background:linear-gradient(110deg,#f7f4ff,#f6f9ff);border:1px solid #e0e5f0}.zst5-bomb-cards b{display:block;color:#6537cf;font-size:19px}.zst5-bomb-cards span{font-size:12px;color:#6f7990}

.zst5-revolution{padding:72px 0;background:linear-gradient(120deg,#f7f3ff,#edf4ff)}.zst5-revolution .zst5-section-head{margin-bottom:0}.zst5-revolution .zst5-section-head p{font-size:16px}
.zst5-final{padding:68px 0;background:#fff}.zst5-final-box{background:linear-gradient(110deg,#0d153e,#23206d);border-radius:26px;padding:30px 34px;color:#fff;display:grid;grid-template-columns:110px 1fr auto;gap:24px;align-items:center;overflow:hidden}.zst5-final-box img{width:100px}.zst5-final-box span{color:#dbbaff;font-weight:800}.zst5-final-box h2{margin:3px 0 0;font-size:clamp(26px,3vw,42px)}.zst5-final-box h2 strong{color:#e08aff}

.zst-roamer{position:fixed;z-index:1;pointer-events:none;left:100vw;top:38vh;width:280px;opacity:0;filter:drop-shadow(0 20px 30px rgba(29,41,77,.13));will-change:transform,opacity}.zst-roamer img{display:block;width:100%}.zst-v5>section{position:relative;z-index:2}
.zst-reveal{opacity:1;transform:none}.zst-js .zst-reveal{opacity:0;transform:translateY(15px);transition:.6s ease}.zst-js .zst-reveal.is-visible{opacity:1;transform:none}

@media(max-width:1100px){.zst5-hero-grid,.zst5-ai-grid,.zst5-rx-grid,.zst5-bomb-grid{grid-template-columns:1fr}.zst5-copy{text-align:center}.zst5-copy>p{margin-inline:auto}.zst5-cta{justify-content:center}.zst5-safe{max-width:760px;margin-inline:auto;text-align:right}.zst5-hero-art{max-width:720px;margin:auto}.zst5-statgrid{grid-template-columns:repeat(2,1fr);gap:18px}.zst5-statgrid>div{border-left:0}.zst5-compare-grid{grid-template-columns:1fr 1fr}.zst5-compare-copy{grid-column:1/-1}.zst5-steps{grid-template-columns:repeat(5,minmax(160px,1fr));overflow-x:auto;padding-bottom:10px}.zst5-final-box{grid-template-columns:90px 1fr}.zst5-final-box .zst5-primary{grid-column:1/-1}.zst-roamer{display:none}}
@media(max-width:700px){.zst5-container{width:min(100% - 24px,1220px)}.zst5-copy h1{font-size:42px}.zst5-copy>p{font-size:15px}.zst5-cta a{width:100%}.zst5-statgrid{grid-template-columns:1fr}.zst5-compare-grid{grid-template-columns:1fr}.zst5-dose{grid-template-columns:1fr}.zst5-ai-card{position:relative;right:auto;top:auto;margin-top:-80px}.zst5-fp-lines{width:260px;height:260px}.zst5-final-box{grid-template-columns:1fr;text-align:center}.zst5-final-box img{margin:auto}.zst5-section-head h2,.zst5-compare-copy h2,.zst5-rx-copy h2,.zst5-bomb-grid h2{font-size:30px}.zst5-world{font-size:11px}}
@media(prefers-reduced-motion:reduce){.zst-roamer{display:none!important}.zst-js .zst-reveal{opacity:1!important;transform:none!important;transition:none!important}}

/* v0.6 polish: real SVG data visuals, custom footer, richer visual hierarchy */
#footer.site-footer,#footer.el_footer,.studi_pre_footer{display:none!important}
.zst-v5{background:
  radial-gradient(circle at 12% 8%,rgba(89,83,225,.045),transparent 22%),
  radial-gradient(circle at 88% 26%,rgba(196,42,162,.04),transparent 22%),#fff}
.zst5-compare{position:relative;overflow:hidden}.zst5-compare:before{content:"";position:absolute;left:-70px;bottom:-100px;width:330px;height:330px;border:1px solid rgba(106,62,221,.08);border-radius:50%;box-shadow:0 0 0 38px rgba(106,62,221,.025),0 0 0 76px rgba(106,62,221,.018)}
.zst5-radar-card{position:relative;overflow:hidden}.zst5-radar-card:after{content:"";position:absolute;inset:auto -50px -60px auto;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(117,70,231,.10),transparent 70%)}
.zst5-radar-card span{display:block;color:#7a8499;font-size:11px;line-height:1.7;margin-top:6px}.zst5-radar-svg{display:block;width:100%;max-width:220px;height:170px;margin:4px auto}.zst5-radar-svg .grid polygon{fill:none;stroke:#e2e7f1;stroke-width:1.5}.zst5-radar-svg .axes line{stroke:#e8ebf3;stroke-width:1}.zst5-radar-svg .area{stroke-width:3}.zst5-radar-svg .area.a{fill:rgba(114,66,225,.22);stroke:#7044de}.zst5-radar-svg .area.b{fill:rgba(46,101,224,.18);stroke:#3266dd}
.zst5-fingerprint-card{background:linear-gradient(180deg,#fff,#f8f5ff);position:relative;overflow:hidden}.zst5-fingerprint-card:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(111,53,230,.11),transparent 70%);top:-70px;left:-50px}.zst5-fingerprint-card img{width:128px;height:128px;object-fit:contain;margin:0 auto 2px;filter:drop-shadow(0 12px 18px rgba(88,51,190,.16))}.zst5-fingerprint-card b,.zst5-fingerprint-card strong{position:relative;z-index:2}.zst5-fingerprint-card strong{font-size:18px;color:#5f35d4}
.zst5-fingerprint-big{overflow:visible}.zst5-fp-art{width:360px;max-width:78%;position:relative;z-index:2;filter:drop-shadow(0 0 28px rgba(171,91,255,.28))}.zst5-fp-orbit{position:absolute;width:390px;height:390px;max-width:90%;max-height:90%;border:1px solid rgba(204,151,255,.28);border-radius:50%;box-shadow:0 0 0 30px rgba(169,105,255,.035),0 0 0 62px rgba(169,105,255,.02);animation:zstOrbit 9s linear infinite}.zst5-fp-orbit:before,.zst5-fp-orbit:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#d67cff;box-shadow:0 0 18px #d67cff}.zst5-fp-orbit:before{right:25px;top:70px}.zst5-fp-orbit:after{left:35px;bottom:58px;background:#5c8cff;box-shadow:0 0 18px #5c8cff}@keyframes zstOrbit{to{transform:rotate(360deg)}}
.zst5-ai-card{z-index:4;border:1px solid rgba(255,255,255,.42)}
.zst5-ai-card span:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#6b47df,#d43aa8);margin-left:7px}

.zst5-proof{padding:20px 0 78px;background:#fff}.zst5-proof-head{text-align:center;max-width:820px;margin:0 auto 26px}.zst5-proof-head>span{color:#6942d6;font-size:14px;font-weight:900}.zst5-proof-head h2{font-size:clamp(28px,3.2vw,44px);line-height:1.5;color:var(--n);margin:5px 0}.zst5-proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.zst5-proof-grid article{position:relative;padding:24px 20px;border-radius:20px;background:linear-gradient(145deg,#fff,#f8f6ff);border:1px solid #e2e7f2;box-shadow:0 15px 34px rgba(39,50,91,.06);overflow:hidden}.zst5-proof-grid article:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#325fdc,#7245e7,#d633a3)}.zst5-proof-grid b{display:block;font-size:34px;line-height:1.2;color:#6236d3;direction:ltr;text-align:right}.zst5-proof-grid span{display:block;color:#69758f;font-size:12px;margin-top:8px}

.zst5-final{padding-bottom:18px}.zst5-footer{position:relative;z-index:3;background:#fff;border-top:1px solid #e7ebf3;padding:54px 0 20px}.zst5-footer:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(247,248,255,.8),#fff 55%);pointer-events:none}.zst5-footer-grid,.zst5-footer-bottom{position:relative;z-index:2}.zst5-footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:42px;align-items:start}.zst5-footer-brand img{width:150px;max-height:80px;object-fit:contain;object-position:right center}.zst5-footer-brand p{font-size:12px;color:#6d7890;max-width:310px;margin-top:12px}.zst5-footer-grid>div:not(.zst5-footer-brand){display:flex;flex-direction:column;gap:9px}.zst5-footer-grid b{color:#0d1838;font-size:15px;margin-bottom:5px}.zst5-footer-grid a{color:#6d7890!important;text-decoration:none!important;font-size:12px}.zst5-footer-grid a:hover{color:#6638d5!important}.zst5-footer-grid>div>span{color:#8993a8;font-size:11px;line-height:1.8}.zst5-footer-cta{display:inline-flex!important;width:max-content;padding:10px 15px;border-radius:11px;background:linear-gradient(100deg,#5637d7,#8b3aea);color:#fff!important;font-weight:900;font-size:12px!important;box-shadow:0 12px 24px rgba(86,55,215,.18)}.zst5-footer-cta:hover{color:#fff!important;transform:translateY(-2px)}.zst5-footer-bottom{margin-top:35px;padding-top:18px;border-top:1px solid #edf0f5;display:flex;align-items:center;justify-content:space-between;gap:15px;color:#8b95a8;font-size:11px}

@media(max-width:1100px){.zst5-proof-grid{grid-template-columns:repeat(2,1fr)}.zst5-footer-grid{grid-template-columns:1.3fr 1fr 1fr}.zst5-footer-grid>div:last-child{grid-column:1/-1}.zst5-fp-art{width:320px}}
@media(max-width:700px){.zst5-proof-grid{grid-template-columns:1fr 1fr}.zst5-proof-grid b{font-size:28px}.zst5-footer-grid{grid-template-columns:1fr 1fr}.zst5-footer-brand{grid-column:1/-1}.zst5-footer-grid>div:last-child{grid-column:1/-1}.zst5-footer-bottom{flex-direction:column;text-align:center}.zst5-fp-orbit{display:none}.zst5-fp-art{width:270px}.zst5-radar-svg{max-width:190px}}
@media(max-width:440px){.zst5-proof-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.zst5-fp-orbit{animation:none!important}}


/* ===== v0.7.0 refinements ===== */
:root{--b:#2f66ff;--v:#6f35e6;--p:#e731af;--n:#091a48;--ink:#101936;--mut:#65718b;--soft:#f8f9ff}
/* This stylesheet loads only on the Zistesteron Builder page. Studiare's
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.studiare-preloader{display:none!important;visibility:hidden!important;opacity:0!important;pointer-events:none!important}
.site-header{background:rgba(255,255,255,.92)!important;backdrop-filter:blur(22px)!important;border-bottom:1px solid rgba(222,228,243,.9)!important;box-shadow:0 12px 34px rgba(26,39,76,.06)!important}
.site-header .studiare-navigation a{font-weight:800!important;color:#122049!important}
.site-header .navigation-right .button,.site-header .navigation-right a.button{background:linear-gradient(100deg,var(--v),var(--p))!important;color:#fff!important;border:0!important;box-shadow:0 14px 28px rgba(111,53,230,.18)!important}
.site-header .studiare-logo img{max-height:56px!important}
.zst-v5{background:linear-gradient(180deg,#fff 0%,#fbfbff 100%)}
.zst5-hero{padding:66px 0 42px;background:
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  radial-gradient(circle at 82% 16%,rgba(47,102,255,.11),transparent 25%),
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.zst5-hero:after{content:"";position:absolute;left:-120px;right:-120px;bottom:-70px;height:190px;background:
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  radial-gradient(circle at 30% 25%,rgba(111,53,230,.12),transparent 40%);opacity:.75;pointer-events:none}
.zst5-hero-grid{gap:52px}
.zst5-copy h1 strong{background:linear-gradient(90deg,#2f66ff 5%,#6f35e6 55%,#e731af 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.zst5-world{background:linear-gradient(180deg,#fff,#faf7ff);border-color:#e5daf7;color:#4b3b72}
.zst5-primary{background:linear-gradient(95deg,#6940e4,#e731af)!important;box-shadow:0 18px 34px rgba(111,53,230,.22)!important}
.zst5-secondary{border-color:#dce3f1;background:rgba(255,255,255,.86)}
.zst5-safe{background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(249,251,255,.98));border:1px solid #e5e9f3;border-right:4px solid var(--v);box-shadow:0 12px 32px rgba(38,53,95,.05)}
.zst5-hero-art{transform:translateY(8px)}
.zst5-hero-art:before{content:"";position:absolute;inset:-18px -18px auto auto;width:180px;height:180px;background:url('ring-shape.png') center/contain no-repeat;opacity:.18;pointer-events:none}
.zst5-hero-art:after{content:"";position:absolute;left:-40px;bottom:-34px;width:240px;height:130px;background:url('header-scene.svg') center/contain no-repeat;opacity:.25;pointer-events:none}
.zst5-hero-art img{border-radius:34px;box-shadow:0 36px 80px rgba(33,48,96,.14);border:12px solid rgba(255,255,255,.94)}

.zst5-statbar{padding-bottom:44px;margin-top:-10px}.zst5-statgrid{position:relative;border:1px solid rgba(255,255,255,.06);background:linear-gradient(110deg,#0a133b,#141d55 52%,#0d1441);overflow:hidden}
.zst5-statgrid:before{content:"";position:absolute;inset:-40% auto auto -8%;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.08)}
.zst5-statgrid:after{content:"";position:absolute;left:18%;right:18%;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent)}
.zst5-statgrid b{font-size:19px;color:#fff}.zst5-statgrid span{font-size:12px}

.zst5-compare{padding-top:78px;padding-bottom:84px;background:linear-gradient(180deg,#fff,#fbfbff)}
.zst5-compare-copy h2,.zst5-rx-copy h2,.zst5-section-head h2,.zst5-bomb-grid h2{letter-spacing:-.035em}
.zst5-radar-card,.zst5-fingerprint-card{border-radius:24px;box-shadow:0 20px 48px rgba(29,47,95,.08)}
.zst5-radar-card small{font-size:13px;color:#6f35e6}
.zst5-radar-card b{font-size:17px;margin-top:4px}
.zst5-radar-card span{font-size:12px}
.zst5-radar-svg{max-width:240px;height:188px}
.zst5-radar-svg .grid polygon{stroke:#dde4f3;stroke-width:1.8}.zst5-radar-svg .axes line{stroke:#e8edf6}.zst5-radar-svg .area.a{fill:rgba(231,49,175,.18);stroke:#d636a4}.zst5-radar-svg .area.b{fill:rgba(47,102,255,.18);stroke:#2f66ff}
.zst5-fingerprint-card{background:linear-gradient(135deg,#fff,#f8f5ff 55%,#f7fbff);padding-top:18px}
.zst5-fingerprint-card img{width:138px;height:138px}.zst5-fingerprint-card b{font-size:13px;color:#58647d}.zst5-fingerprint-card strong{font-size:20px;background:linear-gradient(90deg,#2f66ff,#6f35e6,#e731af);-webkit-background-clip:text;background-clip:text;color:transparent}

.zst5-ai{background:linear-gradient(135deg,#09143d,#11194d 45%,#12164a);overflow:hidden}
.zst5-ai:after{content:"";position:absolute;right:-80px;top:-40px;width:340px;height:340px;background:radial-gradient(circle,rgba(231,49,175,.16),transparent 60%);filter:blur(8px)}
.zst5-ai-grid{gap:70px}
.zst5-ai-copy h2 strong{background:linear-gradient(90deg,#71a2ff,#bc7dff,#ff79cb);-webkit-background-clip:text;background-clip:text;color:transparent}
.zst5-fingerprint-big{min-height:460px}
.zst5-fp-art{width:382px;max-width:82%}
.zst5-fp-orbit{width:430px;height:430px;border-color:rgba(230,164,255,.22);box-shadow:0 0 0 26px rgba(169,105,255,.04),0 0 0 60px rgba(80,119,255,.025)}
.zst5-ai-card{background:rgba(255,255,255,.96);min-width:245px;right:10px;top:48px}
.zst5-ai-card b{font-size:16px}

.zst5-journey{position:relative;padding-top:92px}.zst5-journey:before{content:"";position:absolute;right:-30px;top:0;width:250px;height:250px;background:url('step-rings.png') center/contain no-repeat;opacity:.11}.zst5-journey:after{content:"";position:absolute;left:-10px;bottom:20px;width:170px;height:170px;background:url('paper-plane.png') center/contain no-repeat;opacity:.22}
.zst5-steps article{border-radius:22px;box-shadow:0 16px 36px rgba(31,48,92,.06)}
.zst5-steps article:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#2f66ff,#6f35e6,#e731af);opacity:0;transition:.25s}.zst5-steps article:hover{transform:translateY(-5px);transition:.25s}.zst5-steps article:hover:before{opacity:1}
.zst5-steps i{background:linear-gradient(135deg,#efe8ff,#f6f9ff);box-shadow:inset 0 0 0 1px #dddaf9}

.zst5-rx{position:relative;overflow:hidden}.zst5-rx:before{content:"";position:absolute;inset:auto auto 0 -50px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(47,102,255,.08),transparent 65%)}
.zst5-dashboard{border-radius:28px;overflow:hidden}
.zst5-dashboard:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 30%)}
.zst5-dose>div{background:linear-gradient(180deg,#fff,#fbfbff);border-radius:16px;box-shadow:0 10px 22px rgba(31,48,92,.04)}

.zst5-bomb{position:relative}.zst5-bomb:after{content:"";position:absolute;right:-40px;bottom:20px;width:260px;height:260px;background:url('ring-shape.png') center/contain no-repeat;opacity:.1}
.zst5-bomb-cards>div{border-radius:20px;box-shadow:0 12px 30px rgba(31,48,92,.05)}
.zst5-bomb-cards>div:nth-child(1){background:linear-gradient(120deg,#f6f8ff,#eef3ff)}
.zst5-bomb-cards>div:nth-child(2){background:linear-gradient(120deg,#fcf7ff,#f7f0ff)}
.zst5-bomb-cards>div:nth-child(3){background:linear-gradient(120deg,#fff7fb,#fff)}

.zst5-proof{position:relative;padding-top:28px;padding-bottom:90px}.zst5-proof:before{content:"";position:absolute;left:0;right:0;top:0;height:120px;background:linear-gradient(180deg,rgba(248,249,255,.7),transparent)}
.zst5-proof-grid article{border-radius:22px;padding:28px 22px 22px}
.zst5-proof-grid article:nth-child(1) b{color:#2f66ff}.zst5-proof-grid article:nth-child(2) b{color:#6f35e6}.zst5-proof-grid article:nth-child(3) b{color:#e731af}.zst5-proof-grid article:nth-child(4) b{color:#111a4b}

.zst5-final-box{position:relative;background:linear-gradient(102deg,#0d1541,#1b1c59 48%,#132a77);border:1px solid rgba(255,255,255,.08);box-shadow:0 28px 56px rgba(14,22,65,.18)}
.zst5-final-box:before{content:"";position:absolute;left:-40px;top:-40px;width:220px;height:220px;background:radial-gradient(circle,rgba(231,49,175,.18),transparent 65%)}
.zst5-final-box:after{content:"";position:absolute;right:5%;bottom:-10px;width:180px;height:180px;background:url('header-scene.svg') center/contain no-repeat;opacity:.18}
.zst5-final-box img{width:116px}

.zst5-footer{padding-top:62px;background:linear-gradient(180deg,#fff,#fafbff)}
.zst5-footer-grid{grid-template-columns:1.5fr .7fr .7fr 1.1fr;gap:46px}
.zst5-footer-brand img{width:166px;max-height:92px}.zst5-footer-brand p{font-size:13px;line-height:2}
.zst5-footer-grid b{font-size:16px}.zst5-footer-grid a{font-size:13px}
.zst5-footer-cta{padding:12px 16px!important;border-radius:13px!important}

.zst-roamer{left:auto;right:-420px;top:26vh;width:340px;opacity:.18;mix-blend-mode:multiply;filter:drop-shadow(0 28px 44px rgba(32,48,86,.12)) saturate(1.05);z-index:1}
.zst-roamer img{opacity:.9;border-radius:24px}
.zst-v5>section,.zst-v5>footer{z-index:2}

@media(max-width:1100px){.zst5-hero-grid{gap:40px}.zst5-compare-grid{grid-template-columns:1fr 1fr}.zst5-bomb-grid,.zst5-rx-grid,.zst5-ai-grid{gap:42px}}
@media(max-width:700px){.zst5-hero:after{bottom:-25px;height:95px;background-size:cover;opacity:.45}.zst5-hero-art img{border-width:8px;border-radius:22px}.zst5-compare,.zst5-proof{padding-bottom:70px}.zst5-fingerprint-card strong{font-size:18px}.zst5-footer{padding-top:52px}}


/* ===== v0.8.0 refinements ===== */
.zst5-typing-box{display:inline-flex;align-items:center;gap:12px;margin:14px 0 4px;padding:11px 16px;border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.88),rgba(248,250,255,.82));border:1px solid rgba(222,229,243,.92);box-shadow:0 16px 34px rgba(29,47,95,.08);backdrop-filter:blur(14px)}
.zst5-typing-box span{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;background:linear-gradient(100deg,#eef3ff,#f6efff);color:#5f4fa8;font-size:11px;font-weight:900;letter-spacing:.02em;text-transform:uppercase}
.zst5-typing-box b{min-width:210px;min-height:24px;color:#23355f;font-size:14px;font-weight:850;position:relative}
.zst5-typing-box b:after{content:"";display:inline-block;width:1px;height:18px;background:#6f35e6;margin-right:5px;vertical-align:-3px;animation:zstCaret .9s step-end infinite}
@keyframes zstCaret{50%{opacity:0}}

.zst5-fingerprint-card img{width:132px;height:132px;opacity:.94}
.zst5-fingerprint-card{background:linear-gradient(145deg,rgba(255,255,255,.96),rgba(247,248,255,.92) 58%,rgba(245,238,255,.9));backdrop-filter:blur(12px)}
.zst5-fingerprint-card:after{content:"";position:absolute;inset:auto auto -26px -18px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(47,102,255,.09),transparent 70%)}
.zst5-fp-art{width:300px;max-width:66%;opacity:.98}
.zst5-fingerprint-big{display:grid;place-items:center}
.zst5-fp-orbit{display:grid;place-items:center}
.zst5-fp-orbit:after{content:"";position:absolute;inset:56px;border-radius:50%;background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px)}
.zst5-fingerprint-big .zst5-fp-art{position:relative;z-index:3;filter:drop-shadow(0 0 14px rgba(212,226,255,.22)) drop-shadow(0 18px 28px rgba(140,101,226,.14))}

.zst5-hero:before{opacity:.14}
.zst5-hero .zst5-copy{position:relative;z-index:3}
.zst5-hero-art:before{opacity:.24}
.zst5-hero-art:after{opacity:.32}
.zst5-hero-art .zst5-floating-badge{display:none}

.zst-roamer{right:-160px;left:auto;top:72vh;width:295px;opacity:.18;mix-blend-mode:multiply;z-index:1;transition:opacity .2s linear}
.zst-roamer img{display:block;width:100%;border-radius:26px;filter:drop-shadow(0 30px 40px rgba(23,38,82,.12))}

.zst5-ai{padding-bottom:110px}
.zst5-ai:before{opacity:.075}
.zst5-ai-copy ul li{padding-right:34px}
.zst5-ai-copy ul li:before{width:18px;height:18px;display:grid;place-items:center;background:rgba(121,240,205,.12);border-radius:50%;top:8px}

.zst5-statgrid>div{position:relative}
.zst5-statgrid>div:before{content:"";position:absolute;top:8px;right:0;width:1px;height:calc(100% - 16px);background:rgba(255,255,255,.12)}
.zst5-statgrid>div:first-child:before{display:none}

.zst5-proof-grid article{background:linear-gradient(145deg,#fff,rgba(248,249,255,.98));position:relative}
.zst5-proof-grid article:after{content:"";position:absolute;left:14px;bottom:14px;width:34px;height:34px;border-radius:12px;background:linear-gradient(145deg,rgba(47,102,255,.09),rgba(231,49,175,.08))}

@media(max-width:1100px){.zst-roamer{display:none}.zst5-fp-art{max-width:72%}}
@media(max-width:700px){.zst5-typing-box{display:flex;width:100%;justify-content:space-between}.zst5-typing-box b{min-width:0;font-size:13px}.zst5-fp-art{max-width:70%;width:230px}.zst5-fingerprint-card img{width:118px;height:118px}}


/* v0.8.1 fingerprint refinement */
.zst5-fingerprint-big{min-height:500px}
.zst5-fp-orbit{width:448px;height:448px;border:1px solid rgba(220,228,255,.28);background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.12),rgba(255,255,255,.03) 55%,rgba(255,255,255,.02) 100%)}
.zst5-fp-orbit:before{content:"";position:absolute;inset:18px;border-radius:50%;border:1px solid rgba(255,255,255,.10)}
.zst5-fp-orbit:after{inset:74px;background:radial-gradient(circle at 50% 35%,rgba(255,255,255,.12),rgba(255,255,255,.02) 68%);border:1px solid rgba(255,255,255,.10)}
.zst5-fp-art{width:286px;max-width:62%;opacity:.98}
.zst5-fingerprint-card img{width:126px;height:126px;filter:drop-shadow(0 0 10px rgba(208,225,255,.18))}
@media(max-width:700px){.zst5-fp-orbit{width:320px;height:320px}.zst5-fp-orbit:after{inset:54px}.zst5-fp-art{width:210px;max-width:66%}}

/* ===== v0.9.3 hybrid: original character + biology-first product story ===== */
.zst-v5{--bio:#0fa58c;--bio-dark:#087868;--mint:#e7faf4;--coral:#ff765f;--violet:#6f35e6;--blue:#2f66ff;--night:#091a48;background:
  radial-gradient(circle at 8% 12%,rgba(15,165,140,.045),transparent 21%),
  radial-gradient(circle at 92% 34%,rgba(111,53,230,.045),transparent 24%),
  linear-gradient(180deg,#fff 0%,#fbfbff 100%)}
.zst5-eyebrow{background:linear-gradient(100deg,#eafaf5,#f3efff);border-color:#cdeee5;color:#087868}
.zst5-world{box-shadow:0 10px 24px rgba(67,47,123,.06)}
.zst5-statgrid{background:linear-gradient(112deg,#09163f 0%,#14235c 46%,#0b5e5a 135%)}

/* Biology section */
.zst5-biology{position:relative;overflow:hidden;padding:92px 0 96px;background:
  radial-gradient(circle at 8% 20%,rgba(15,165,140,.10),transparent 25%),
  radial-gradient(circle at 92% 85%,rgba(255,118,95,.09),transparent 24%),
  linear-gradient(180deg,#f8fffd 0%,#fff 58%,#fbfbff 100%)}
.zst5-biology:before,.zst5-biology:after{position:absolute;font-weight:300;line-height:1;color:rgba(15,165,140,.17);pointer-events:none}
.zst5-biology:before{content:"＋";font-size:74px;right:5%;top:62px;transform:rotate(9deg)}
.zst5-biology:after{content:"✦";font-size:54px;left:5%;bottom:58px;color:rgba(255,118,95,.18);transform:rotate(-12deg)}
.zst5-biology-head{max-width:900px;margin:0 auto 34px;text-align:center;position:relative;z-index:2}
.zst5-biology-head>span,.zst5-compare-copy>span,.zst5-faq-head>span{display:inline-flex;align-items:center;gap:8px;color:var(--bio-dark);font-size:14px;font-weight:900}
.zst5-biology-head>span:before,.zst5-compare-copy>span:before,.zst5-faq-head>span:before{content:"";width:24px;height:3px;border-radius:99px;background:linear-gradient(90deg,var(--bio),var(--violet))}
.zst5-biology-head h2,.zst5-compare-copy h2,.zst5-faq-head h2{font-size:clamp(30px,3.8vw,48px);line-height:1.5;color:var(--night);letter-spacing:-.035em;margin:7px 0 8px}
.zst5-biology-head h2 strong{background:linear-gradient(90deg,var(--bio-dark),var(--bio),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.zst5-biology-head p,.zst5-compare-copy p,.zst5-faq-head p{color:#64718a;font-size:15px;line-height:2.15;margin:0 auto;max-width:820px}
.zst5-biology-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative;z-index:2}
.zst5-biology-grid article{position:relative;min-height:245px;padding:26px 25px 24px;border:1px solid #e0ecea;border-radius:24px;background:linear-gradient(150deg,rgba(255,255,255,.98),rgba(246,253,251,.94));box-shadow:0 18px 48px rgba(20,67,72,.07);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.zst5-biology-grid article:nth-child(2),.zst5-biology-grid article:nth-child(5){background:linear-gradient(150deg,#fff,#faf7ff);border-color:#e8e0f4}
.zst5-biology-grid article:nth-child(3),.zst5-biology-grid article:nth-child(6){background:linear-gradient(150deg,#fff,#fff9f7);border-color:#f1e2dd}
.zst5-biology-grid article:after{content:"";position:absolute;inset:auto -45px -60px auto;width:145px;height:145px;border-radius:50%;background:radial-gradient(circle,rgba(15,165,140,.11),transparent 69%)}
.zst5-biology-grid article:nth-child(2):after,.zst5-biology-grid article:nth-child(5):after{background:radial-gradient(circle,rgba(111,53,230,.10),transparent 69%)}
.zst5-biology-grid article:nth-child(3):after,.zst5-biology-grid article:nth-child(6):after{background:radial-gradient(circle,rgba(255,118,95,.12),transparent 69%)}
.zst5-biology-grid article:hover{transform:translateY(-6px);box-shadow:0 26px 58px rgba(20,67,72,.11);border-color:#bfe4db}
.zst5-biology-grid i{display:grid;place-items:center;width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--mint),#f3efff);color:var(--bio-dark);font-size:13px;font-style:normal;font-weight:950;box-shadow:inset 0 0 0 1px rgba(15,165,140,.09)}
.zst5-biology-grid small{display:block;color:#a06b63;font-size:10px;font-weight:850;margin:19px 0 3px}
.zst5-biology-grid b{display:block;color:#112149;font-size:19px;font-weight:950}
.zst5-biology-grid p{position:relative;z-index:2;color:#69758c;font-size:12px;line-height:2.05;margin:8px 0 0}

/* Rich comparison cluster */
.zst5-compare{position:relative;padding:92px 0 104px;background:
  radial-gradient(circle at 50% 48%,rgba(111,53,230,.075),transparent 24%),
  radial-gradient(circle at 14% 72%,rgba(15,165,140,.075),transparent 24%),
  linear-gradient(180deg,#fff,#fafbff)}
.zst5-compare:after{content:"＋";position:absolute;left:4%;top:12%;font-size:62px;color:rgba(47,102,255,.11);transform:rotate(12deg)}
.zst5-compare-copy{max-width:910px;margin:0 auto;text-align:center}
.zst5-compare-copy h2 strong{background:linear-gradient(90deg,var(--violet),var(--blue),var(--bio));-webkit-background-clip:text;background-clip:text;color:transparent}
.zst5-compare-copy>small{display:inline-block;margin-top:12px;padding:7px 12px;border-radius:999px;background:#f0f5ff;color:#71809c;font-size:10px;font-weight:800}
.zst5-score-same{position:relative;z-index:4;width:168px;margin:28px auto -28px;padding:12px 18px;text-align:center;border:1px solid rgba(255,255,255,.9);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.94),rgba(241,247,255,.87));box-shadow:0 20px 42px rgba(40,51,103,.13);backdrop-filter:blur(16px)}
.zst5-score-same:after{content:"";position:absolute;right:50%;top:100%;width:1px;height:40px;background:linear-gradient(var(--violet),transparent)}
.zst5-score-same span,.zst5-score-same small{display:block;color:#73809a;font-size:10px;font-weight:800}
.zst5-score-same b{display:block;color:var(--night);font-size:34px;line-height:1.1;direction:ltr}
.zst5-cluster-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px minmax(0,1fr);gap:22px;align-items:center;position:relative;margin-top:12px}
.zst5-cluster-grid:before{content:"";position:absolute;left:18%;right:18%;top:50%;height:1px;background:linear-gradient(90deg,rgba(15,165,140,.18),rgba(111,53,230,.35),rgba(255,118,95,.20));z-index:0}
.zst5-student-card{position:relative;z-index:2;padding:25px;border-radius:26px;border:1px solid #e1e7f0;background:rgba(255,255,255,.94);box-shadow:0 24px 60px rgba(29,45,93,.10);backdrop-filter:blur(18px);overflow:hidden}
.zst5-student-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--bio),var(--blue))}
.zst5-student-card.student-b:before{background:linear-gradient(90deg,var(--violet),var(--coral))}
.zst5-student-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding-bottom:16px;border-bottom:1px solid #edf0f5}
.zst5-student-head span{display:block;color:#7a859b;font-size:11px;font-weight:850}
.zst5-student-head b{display:block;color:#15234b;font-size:16px;line-height:1.65;margin-top:2px}
.zst5-student-head em{white-space:nowrap;padding:7px 10px;border-radius:999px;background:var(--mint);color:var(--bio-dark);font-size:9px;font-style:normal;font-weight:900}
.student-b .zst5-student-head em{background:#f6ecff;color:#7540d2}
.zst5-metric{margin-top:14px}
.zst5-metric>span{display:flex;align-items:center;justify-content:space-between;color:#5e6a83;font-size:11px;font-weight:800}
.zst5-metric>span b{direction:ltr;color:#26365f;font-size:11px}
.zst5-metric>i{display:block;position:relative;height:8px;margin-top:7px;border-radius:99px;background:#edf1f5;overflow:hidden}
.zst5-metric>i:after{content:"";display:block;width:var(--score);height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--bio),#4ac7b0);box-shadow:0 0 16px rgba(15,165,140,.20)}
.student-b .zst5-metric>i:after{background:linear-gradient(90deg,var(--violet),#a267f0)}
.zst5-metric.warn>i:after{background:linear-gradient(90deg,#f3a83f,#ffd36f)}
.zst5-metric.danger>i:after,.student-b .zst5-metric.danger>i:after{background:linear-gradient(90deg,var(--coral),#ffac8e)}
.zst5-prescription{margin-top:20px;padding:15px;border-radius:17px;background:linear-gradient(135deg,#f4fbf9,#f8f6ff);border:1px solid #e2edea}
.zst5-prescription small{display:block;color:#7c879b;font-size:9px;font-weight:900;margin-bottom:9px}
.zst5-prescription>div{display:flex;flex-wrap:wrap;gap:6px}
.zst5-prescription span{padding:6px 8px;border-radius:9px;background:#fff;color:#33415f;font-size:9px;font-weight:850;box-shadow:0 5px 12px rgba(29,45,93,.05)}
.zst5-cluster-core{position:relative;z-index:3;display:grid;place-items:center;min-height:390px}
.zst5-cluster-glass{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;width:190px;height:236px;border:1px solid rgba(255,255,255,.88);border-radius:46% 54% 47% 53%/42% 44% 56% 58%;background:linear-gradient(150deg,rgba(255,255,255,.91),rgba(236,247,247,.66));box-shadow:inset 0 1px 0 #fff,0 28px 58px rgba(42,54,105,.14),0 0 0 12px rgba(255,255,255,.38);backdrop-filter:blur(20px)}
.zst5-cluster-glass img{width:106px;height:106px;object-fit:contain;filter:drop-shadow(0 12px 18px rgba(93,65,183,.18))}
.zst5-cluster-glass b{color:#6d7890;font-size:10px;margin-top:2px}.zst5-cluster-glass strong{color:#6537d3;font-size:18px}
.zst5-cluster-orbit{position:absolute;width:264px;height:264px;border:1px dashed rgba(111,53,230,.28);border-radius:50%;animation:zstOrbit 15s linear infinite}
.zst5-cluster-orbit:before,.zst5-cluster-orbit:after{content:"";position:absolute;inset:24px;border:1px solid rgba(15,165,140,.15);border-radius:50%}.zst5-cluster-orbit:after{inset:-22px;border-color:rgba(47,102,255,.09)}
.zst5-cluster-orbit i{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--bio);box-shadow:0 0 18px rgba(15,165,140,.65)}
.zst5-cluster-orbit i:nth-child(1){top:28px;right:38px}.zst5-cluster-orbit i:nth-child(2){bottom:30px;left:34px;background:var(--violet);box-shadow:0 0 18px rgba(111,53,230,.55)}.zst5-cluster-orbit i:nth-child(3){top:48%;left:-6px;background:var(--coral);box-shadow:0 0 18px rgba(255,118,95,.55)}
.zst5-cluster-core .node{position:absolute;z-index:4;padding:6px 9px;border:1px solid #e4e8f1;border-radius:9px;background:rgba(255,255,255,.92);color:#58657d;font-size:8px;font-weight:900;box-shadow:0 8px 16px rgba(35,49,91,.08)}
.zst5-cluster-core .node-1{top:45px;right:-4px}.zst5-cluster-core .node-2{top:95px;left:-12px}.zst5-cluster-core .node-3{bottom:76px;right:-6px}.zst5-cluster-core .node-4{bottom:40px;left:2px}

/* Glass fingerprint */
.zst5-ai{background:
  radial-gradient(circle at 73% 45%,rgba(15,165,140,.14),transparent 28%),
  radial-gradient(circle at 14% 24%,rgba(111,53,230,.18),transparent 30%),
  linear-gradient(135deg,#071438,#11194d 48%,#083f48)}
.zst5-fingerprint-big{isolation:isolate}
.zst5-fp-glass{position:absolute;z-index:2;width:310px;height:366px;max-width:70%;border:1px solid rgba(255,255,255,.32);border-radius:47% 53% 45% 55%/42% 45% 55% 58%;background:linear-gradient(145deg,rgba(255,255,255,.20),rgba(127,224,205,.08) 50%,rgba(135,103,232,.11));box-shadow:inset 0 1px 1px rgba(255,255,255,.38),inset 0 -30px 55px rgba(8,24,62,.18),0 32px 80px rgba(0,0,0,.22),0 0 0 13px rgba(255,255,255,.025);backdrop-filter:blur(15px)}
.zst5-fp-glass:before{content:"";position:absolute;right:16%;top:9%;width:42%;height:17%;border-radius:50%;background:linear-gradient(180deg,rgba(255,255,255,.28),transparent);filter:blur(2px);transform:rotate(-10deg)}
.zst5-fp-art{z-index:3;filter:drop-shadow(0 0 18px rgba(173,242,225,.24)) drop-shadow(0 18px 32px rgba(103,80,202,.20))}
.zst5-fp-orbit{z-index:1;background:transparent;backdrop-filter:none}
.zst5-fp-orbit:before{inset:28px;border:1px solid rgba(117,232,206,.13)}
.zst5-fp-orbit:after{inset:72px;background:transparent;border:1px dashed rgba(255,255,255,.13);backdrop-filter:none}
.zst5-fp-orbit .orb{position:absolute;display:block;border-radius:50%}
.zst5-fp-orbit .orb-a{width:13px;height:13px;right:20px;top:90px;background:#70e4c8;box-shadow:0 0 22px #70e4c8}
.zst5-fp-orbit .orb-b{width:10px;height:10px;left:24px;bottom:100px;background:#b684ff;box-shadow:0 0 20px #b684ff}
.zst5-fp-orbit .orb-c{width:8px;height:8px;right:118px;bottom:-4px;background:#ff8e79;box-shadow:0 0 18px #ff8e79}
.zst5-fp-orbit .orb-d{width:7px;height:7px;left:112px;top:-3px;background:#73a4ff;box-shadow:0 0 18px #73a4ff}

/* FAQ + closing */
.zst5-faq{position:relative;padding:92px 0 84px;background:linear-gradient(180deg,#fbfffe,#fff)}
.zst5-faq:before{content:"?";position:absolute;right:3%;top:30px;font-size:180px;font-weight:950;color:rgba(15,165,140,.045);line-height:1}
.zst5-faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.zst5-faq-head{text-align:right;position:sticky;top:120px}.zst5-faq-head h2 strong{color:var(--violet)}
.zst5-faq-list{display:grid;gap:12px}
.zst5-faq-list details{border:1px solid #e1e8ed;border-radius:18px;background:#fff;box-shadow:0 13px 34px rgba(27,51,76,.055);overflow:hidden}
.zst5-faq-list summary{position:relative;padding:20px 22px 20px 58px;list-style:none;cursor:pointer;color:#14234a;font-size:14px;font-weight:950}
.zst5-faq-list summary::-webkit-details-marker{display:none}.zst5-faq-list summary:after{content:"＋";position:absolute;left:20px;top:16px;display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,var(--mint),#f3efff);color:var(--bio-dark);font-size:18px;transition:transform .2s ease}
.zst5-faq-list details[open] summary:after{transform:rotate(45deg)}
.zst5-faq-list details[open]{border-color:#cfe8e2;box-shadow:0 18px 42px rgba(15,104,91,.08)}
.zst5-faq-list p{margin:0;padding:0 22px 20px;color:#6a768e;font-size:12px;line-height:2}
.zst5-final-box{background:
  radial-gradient(circle at 84% 20%,rgba(15,165,140,.22),transparent 24%),
  linear-gradient(102deg,#0a153f,#1a1d59 50%,#0a514f)}
.zst5-final-box>div{position:relative;z-index:2}.zst5-final-box p{max-width:560px;margin:6px 0 0;color:rgba(255,255,255,.67);font-size:11px;line-height:1.9}.zst5-final-box h2{margin:2px 0}.zst5-final-box h2 strong{color:#86ead3}
.zst5-footer-cta{background:linear-gradient(100deg,var(--violet),var(--bio))!important}

@media(max-width:1100px){
  .zst5-biology-grid{grid-template-columns:repeat(2,1fr)}
  .zst5-cluster-grid{grid-template-columns:1fr 230px 1fr;gap:14px}
  .zst5-cluster-core{min-height:360px}.zst5-cluster-orbit{width:226px;height:226px}.zst5-cluster-glass{width:166px;height:210px}
  .zst5-faq-grid{gap:42px}
}
@media(max-width:820px){
  .zst5-cluster-grid{grid-template-columns:1fr 1fr;margin-top:34px}.zst5-cluster-core{grid-column:1/-1;grid-row:1;min-height:310px}.zst5-cluster-grid:before{display:none}.zst5-score-same{margin-bottom:-12px}
  .zst5-faq-grid{grid-template-columns:1fr}.zst5-faq-head{position:static;text-align:center}.zst5-faq-head>span{justify-content:center}
}
@media(max-width:700px){
  .zst5-biology,.zst5-compare,.zst5-faq{padding:68px 0}
  .zst5-biology-grid{grid-template-columns:1fr}.zst5-biology-grid article{min-height:0}
  .zst5-cluster-grid{grid-template-columns:1fr}.zst5-cluster-core{grid-column:auto;min-height:290px}.zst5-student-card{padding:21px}
  .zst5-biology-head h2,.zst5-compare-copy h2,.zst5-faq-head h2{font-size:29px}
  .zst5-fp-glass{width:235px;height:282px;max-width:74%}
  .zst5-final-box{align-items:flex-start}.zst5-final-box p{font-size:10px}
}
@media(max-width:440px){.zst5-student-head{flex-direction:column}.zst5-faq-list summary{font-size:13px}.zst5-score-same{width:150px}}
@media(prefers-reduced-motion:reduce){.zst5-cluster-orbit{animation:none!important}}