:root{
  --bg:#0c0a18;--surface:#15112a;--surface-2:#1e1838;--text:#f8f5ff;--muted:#bdb6d5;
  --brand:#b68cff;--brand-2:#72e6cf;--border:rgba(255,255,255,.11);--shadow:0 20px 60px rgba(0,0,0,.28);
  --radius:22px;--radius-sm:14px;--container:1160px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 75% 0%,#251747 0,transparent 34%),var(--bg);color:var(--text);font:16px/1.7 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(12,10,24,.83);border-bottom:1px solid var(--border);backdrop-filter:blur(18px)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:850;letter-spacing:-.02em}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#100b1f;font-size:13px;font-weight:950;box-shadow:0 8px 30px rgba(182,140,255,.25)}.main-nav{display:flex;align-items:center;gap:10px}.main-nav a{padding:10px 16px;border-radius:11px;color:#eee9ff;font-weight:700}.main-nav a:hover{background:rgba(255,255,255,.07)}.menu-toggle{display:none;border:1px solid var(--border);background:var(--surface);color:#fff;border-radius:11px;padding:9px 12px;font-size:20px}.hero{position:relative;overflow:hidden;padding:92px 0 76px}.hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(182,140,255,.28);border-radius:50%;right:-80px;top:30px;box-shadow:0 0 0 55px rgba(182,140,255,.035),0 0 0 110px rgba(114,230,207,.025);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:58px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-2);text-transform:uppercase;font-size:12px;font-weight:850;letter-spacing:.14em}.eyebrow:before{content:"";width:28px;height:2px;background:currentColor}.hero h1{font-size:clamp(46px,7vw,82px);line-height:1.02;letter-spacing:-.055em;margin:14px 0 22px;max-width:850px}.hero h1 span,.gradient-text{background:linear-gradient(100deg,#fff 8%,var(--brand) 52%,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:760px}.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;border-radius:13px;padding:14px 20px;font-weight:820;border:1px solid transparent;transition:.2s transform,.2s background,.2s border-color}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--brand),#8d73ff);color:#110b20;box-shadow:0 10px 30px rgba(182,140,255,.3)}.btn-secondary{border-color:var(--border);background:rgba(255,255,255,.04)}.trust-line{margin-top:18px;color:#9e97b7;font-size:14px}.hero-card{position:relative;padding:26px;border:1px solid var(--border);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.025));box-shadow:var(--shadow)}.orb{aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff 0 2%,#a77cff 5%,#4e2c83 35%,#120c24 72%);box-shadow:inset -30px -20px 60px #080511,0 0 80px rgba(166,116,255,.22);margin-bottom:22px}.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mini-stat{padding:14px;background:rgba(0,0,0,.22);border:1px solid var(--border);border-radius:14px}.mini-stat b{display:block;font-size:20px}.mini-stat span{font-size:12px;color:var(--muted)}.section{padding:78px 0}.section-tight{padding:56px 0}.section.alt{background:rgba(255,255,255,.025);border-block:1px solid var(--border)}.section-head{max-width:760px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.12;letter-spacing:-.035em;margin:8px 0 12px}.section-head p{color:var(--muted);margin:0}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:linear-gradient(160deg,rgba(255,255,255,.067),rgba(255,255,255,.026));border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:0 10px 35px rgba(0,0,0,.14)}.card h3{font-size:20px;line-height:1.25;margin:8px 0 10px}.card p{color:var(--muted);margin:0}.icon{font-size:25px}.fact-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.fact{padding:22px;border-radius:18px;background:var(--surface);border:1px solid var(--border)}.fact b{font-size:26px;display:block}.fact span{color:var(--muted);font-size:14px}.feature-list{display:grid;gap:13px;margin:0;padding:0;list-style:none}.feature-list li{display:flex;gap:11px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--border)}.feature-list li:last-child{border-bottom:0}.check{color:var(--brand-2);font-weight:900}.tag-list{display:flex;flex-wrap:wrap;gap:9px}.tag{display:inline-block;padding:8px 12px;border:1px solid var(--border);background:rgba(255,255,255,.04);border-radius:999px;color:#dad4ea;font-size:13px}.step-list{counter-reset:steps;display:grid;gap:16px}.step{position:relative;padding:23px 23px 23px 72px;border:1px solid var(--border);background:var(--surface);border-radius:18px}.step:before{counter-increment:steps;content:counter(steps);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#100b1f;font-weight:950}.step h3{margin:0 0 7px;font-size:18px}.step p{margin:0;color:var(--muted)}.notice{border:1px solid rgba(114,230,207,.28);background:rgba(114,230,207,.06);border-radius:18px;padding:20px;color:#d9fff7}.download-panel{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:30px;background:linear-gradient(120deg,#21153d,#142f35);border:1px solid rgba(182,140,255,.25);border-radius:28px;padding:34px}.download-panel h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;margin:0 0 10px}.download-panel p{color:#cec7e0;margin:0}.download-panel .btn{justify-self:end}.faq{display:grid;gap:12px}.faq details{border:1px solid var(--border);border-radius:16px;background:var(--surface);padding:0 18px}.faq summary{cursor:pointer;font-weight:800;padding:18px 0}.faq p{color:var(--muted);margin:0 0 18px}.guide-hero{padding:70px 0 44px}.guide-hero h1,.article h1,.page h1{font-size:clamp(40px,6vw,66px);line-height:1.05;letter-spacing:-.05em;margin:12px 0 16px}.article-wrap{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:48px;align-items:start}.article{padding:58px 0 80px}.article h2{font-size:30px;letter-spacing:-.025em;margin-top:42px}.article h3{font-size:21px;margin-top:28px}.article p,.article li{color:#d1cae1}.article ul,.article ol{padding-left:22px}.toc{position:sticky;top:100px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px}.toc h2{font-size:14px;margin:0 0 12px;text-transform:uppercase;letter-spacing:.12em;color:var(--brand-2)}.toc a{display:block;padding:8px 0;color:var(--muted);font-size:14px}.toc a:hover{color:#fff}.breadcrumb{font-size:13px;color:#9d95b5}.breadcrumb a{color:#cfc8e2}.page{padding:70px 0 90px}.page .content{max-width:780px}.page h2{font-size:27px;margin-top:35px}.page p,.page li{color:var(--muted)}.site-footer{border-top:1px solid var(--border);background:#090713;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:50px}.footer-grid h2{font-size:15px;text-transform:uppercase;letter-spacing:.1em;color:#cfc7e3}.footer-grid p{color:#948da9;max-width:440px}.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}.footer-links a,.text-link{color:#c8c1d9}.footer-links a:hover,.text-link:hover{color:var(--brand-2)}.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:16px;color:#817990;font-size:13px}.article-card{display:flex;flex-direction:column;min-height:240px}.article-card .num{font-size:12px;color:var(--brand-2);font-weight:900;letter-spacing:.14em}.article-card a{margin-top:auto;color:#fff;font-weight:800;padding-top:18px}.article-card a:hover{color:var(--brand-2)}
@media(max-width:900px){.hero-grid,.download-panel,.article-wrap{grid-template-columns:1fr}.hero-card{max-width:520px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.fact-row{grid-template-columns:repeat(2,1fr)}.download-panel .btn{justify-self:start}.toc{position:static;order:-1}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:640px){.container{width:min(100% - 28px,var(--container))}.hero{padding:64px 0 52px}.hero h1{font-size:44px}.section{padding:60px 0}.grid-2,.grid-3,.grid-4,.fact-row{grid-template-columns:1fr}.menu-toggle{display:block}.main-nav{position:absolute;left:14px;right:14px;top:67px;display:none;padding:10px;background:#15112a;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.main-nav.open{display:block}.main-nav a{display:block}.footer-grid{grid-template-columns:1fr;gap:32px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.download-panel{padding:26px}.article{padding-top:38px}}

/* v5 responsive + accessibility hardening */
html{scroll-padding-top:96px}body{overflow-x:hidden;min-width:0}main,.container,.hero-grid,.article-wrap,.download-panel,.card,.fact,.step{min-width:0}button,input,textarea,select{font:inherit}a,button{-webkit-tap-highlight-color:transparent}p,li,h1,h2,h3,.brand{overflow-wrap:anywhere}.btn{max-width:100%;text-align:center}.main-nav a,.btn,.menu-toggle{touch-action:manipulation}.menu-toggle{cursor:pointer;line-height:1}.article h2,.article h3,.page h2,[id]{scroll-margin-top:100px}
:where(a,button,summary):focus-visible{outline:3px solid var(--brand-2);outline-offset:3px;border-radius:10px}
@media(hover:hover) and (pointer:fine){.btn:hover{transform:translateY(-2px)}}
@media(max-width:900px){.hero{padding-top:72px}.hero-grid{gap:36px}.article-wrap{gap:28px}.hero-card{width:100%}.toc{width:100%}}
@media(max-width:640px){
  .header-inner{height:68px;gap:12px}.brand{gap:8px}.brand-mark{width:34px;height:34px;border-radius:10px}.brand>span:last-child{font-size:15px}
  .main-nav{top:60px;max-height:calc(100dvh - 82px);overflow:auto}.main-nav a{padding:12px 14px}
  .hero{padding:52px 0 44px}.hero h1{font-size:clamp(36px,12vw,48px);letter-spacing:-.045em}.lead{font-size:17px;line-height:1.65}
  .guide-hero{padding:52px 0 30px}.guide-hero h1,.article h1,.page h1{font-size:clamp(34px,10.5vw,46px);letter-spacing:-.04em}
  .article h2,.page h2{font-size:clamp(24px,7.5vw,30px)}.section-head h2{font-size:clamp(28px,9vw,38px)}
  .card,.fact{padding:20px}.step{padding:20px 20px 20px 66px}.step:before{left:18px;top:18px}
  .download-panel{gap:22px;padding:24px}.download-panel .btn{width:100%}
  .article{padding-bottom:60px}.page{padding:52px 0 70px}.site-footer{padding-top:44px}
  .footer-bottom{margin-top:30px}.toc{padding:18px}
}
@media(max-width:480px){
  .container{width:min(100% - 24px,var(--container))}.cta-row{gap:10px}.cta-row .btn{width:100%}.btn{padding:13px 16px}
  .hero-card{padding:20px;border-radius:22px}.mini-stats{grid-template-columns:1fr}.section{padding:52px 0}.section-tight{padding:44px 0}
  .footer-grid{gap:28px}.footer-bottom{gap:10px}.download-panel{padding:20px;border-radius:22px}
}
@media(max-width:360px){.brand>span:last-child{font-size:14px}.menu-toggle{padding:8px 10px}.hero h1{font-size:34px}.guide-hero h1,.article h1,.page h1{font-size:32px}.eyebrow{letter-spacing:.1em}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.btn:hover{transform:none}}
/* v5.1 expanded header navigation: collapse before links can crowd the brand */
@media(max-width:980px){
  .menu-toggle{display:block}
  .main-nav{position:absolute;left:20px;right:20px;top:75px;display:none;padding:10px;background:#15112a;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);max-height:calc(100dvh - 96px);overflow:auto}
  .main-nav.open{display:block}
  .main-nav a{display:block;padding:12px 14px}
}
@media(max-width:640px){.main-nav{left:14px;right:14px;top:60px}}