:root{--ink:#11243a;--muted:#576779;--blue:#195bd7;--blue2:#0d46b1;--line:#e2eaf1;--bg:#f7f9fc;--mint:#eaf7f2;--shadow:0 16px 50px rgba(19,48,78,.09);--rad:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}p{margin:0 0 1.15em}.container{width:min(1120px,calc(100% - 44px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav{min-height:76px;display:flex;align-items:center;gap:22px;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;color:var(--ink);white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--blue);display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;letter-spacing:-1px}.brand span{display:block;font-size:16px;line-height:1.05;font-weight:790;letter-spacing:-.04em}.brand small{display:block;font-size:10px;font-weight:680;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:6px}.nav-items{display:flex;align-items:center;gap:26px}.nav-items>a:not(.btn){font-size:14px;color:#395068;font-weight:650}.nav-items>a[aria-current=page]{color:var(--blue)}.menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:7px 12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;line-height:1.2;font-weight:750;padding:14px 20px;min-height:47px;text-align:center;box-shadow:0 5px 12px rgba(25,91,215,.12);transition:transform .2s ease,background .2s ease}.btn:hover{background:var(--blue2);color:#fff;text-decoration:none;transform:translateY(-1px)}.btn.secondary{background:#fff;color:var(--ink);border-color:#cbd8e7;box-shadow:none}.btn.secondary:hover{background:#f2f6fb;color:var(--ink)}.btn.white{color:var(--blue);background:#fff}.linkarrow{white-space:nowrap;font-weight:710}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.115em;text-transform:uppercase;font-weight:830;color:var(--blue);margin-bottom:18px}.hero{background:linear-gradient(135deg,#f8fbff 0%,#fff 65%,#f3faf8 100%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:center;padding-block:88px 85px}.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.08;letter-spacing:-.055em;margin:0 0 22px;font-weight:830}.lead{font-size:19px;color:#50657a;max-width:630px;line-height:1.67}.hero .lead{max-width:580px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.stats{display:flex;gap:25px;flex-wrap:wrap;margin-top:35px}.stat{border-left:2px solid #cdd9e8;padding-left:13px;font-size:13px;color:var(--muted)}.stat strong{display:block;color:var(--ink);font-size:22px;line-height:1.05}.product-preview{background:#fff;border:1px solid #e3eaf2;border-radius:24px;box-shadow:var(--shadow);padding:20px;max-width:415px;margin:auto}.preview-cover{width:min(250px,83%);margin:0 auto;border-radius:9px;overflow:hidden;box-shadow:0 15px 30px rgba(2,18,44,.19)}.product-caption{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:19px 4px 0;font-size:13px;color:var(--muted)}.product-caption strong{font-size:20px;color:var(--ink)}.section{padding-block:78px}.section.soft{background:var(--bg)}.section h2,.page-title{font-size:clamp(30px,3.8vw,43px);letter-spacing:-.04em;line-height:1.18;margin:0 0 14px}.section-head{max-width:700px;margin-bottom:32px}.muted{color:var(--muted)}.grid{display:grid;gap:20px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.tile{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:26px;box-shadow:0 3px 9px rgba(15,44,73,.025)}.tile h3{font-size:20px;line-height:1.3;letter-spacing:-.025em;margin:10px 0 9px}.tile p{font-size:14.5px;color:var(--muted);line-height:1.7}.tile .num{color:#65829d;font-weight:800;letter-spacing:.1em;font-size:13px}.tile a{font-weight:760}.tile:hover{border-color:#bfd0e6}.tag{display:inline-block;padding:5px 11px;border-radius:30px;background:#ebf2fd;color:#2859aa;font-size:12px;font-weight:760;letter-spacing:.015em}.tag.neutral{background:#eef1f4;color:#526272}.tag.green{background:#e7f6ec;color:#156743}.feature{display:flex;align-items:flex-start;gap:15px}.feature b{display:block;letter-spacing:-.012em;font-size:17px;margin-bottom:5px}.feature-icon{flex:none;width:40px;height:40px;border:1px solid #d8e5f5;background:#eef5ff;display:grid;place-items:center;border-radius:12px;color:var(--blue);font-weight:800}.feature p{font-size:14px;color:var(--muted);margin:0}.box-offer{background:#102b50;color:#fff;border-radius:24px;padding:42px;display:grid;grid-template-columns:1.2fr .8fr;gap:25px;align-items:center}.box-offer h2{margin:0 0 13px;color:#fff}.box-offer p{color:#cbdcef;margin-bottom:0}.offer-actions{text-align:right}.price{font-size:43px;line-height:1.1;font-weight:820;letter-spacing:-.06em;color:#fff;margin-bottom:16px}.offer-actions .btn{width:100%;max-width:270px}.smallnote{font-size:12px;line-height:1.6;color:#67798a}.box-offer .smallnote{color:#b5c8de;margin:9px 0 0}.faq{max-width:820px;margin-inline:auto}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-size:17px;font-weight:740;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';font-size:24px;color:var(--blue);line-height:1}.faq details[open] summary:after{content:'−'}.faq details p{padding-top:13px;color:var(--muted);font-size:15px}.footer{border-top:1px solid var(--line);background:#f9fbfd;padding:45px 0 24px;color:var(--muted);font-size:13px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:36px}.footer strong{color:var(--ink)}.footer a{display:block;color:var(--muted);margin:7px 0}.footer a:hover{color:var(--blue)}.footer-bottom{margin-top:30px;border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.page-head{background:#f9fbff;border-bottom:1px solid var(--line);padding:62px 0 55px}.page-head .lead{margin-bottom:0}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--muted)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:65px;align-items:start}.prose{max-width:760px;font-size:16px;color:#263d53;line-height:1.82}.prose h2{color:var(--ink);font-size:28px;letter-spacing:-.035em;line-height:1.25;margin:36px 0 16px}.prose h3{color:var(--ink);font-size:20px;line-height:1.3;margin:28px 0 11px}.prose p{margin-bottom:19px}.prose li{margin-bottom:7px}.prose ul,.prose ol{padding-left:23px;margin:0 0 23px}.prose code{background:#eff4f9;padding:2px 5px;font-size:.9em;border-radius:4px}.codebox{background:#10243b;color:#e5f4ff;overflow:auto;border-radius:14px;padding:18px 19px;margin:24px 0;font-size:13px;line-height:1.72;white-space:pre}.codebox code{background:none;padding:0;color:inherit;font-size:inherit}.note{border-left:3px solid var(--blue);background:#eff5ff;padding:17px 19px;border-radius:0 12px 12px 0;margin:24px 0;font-size:14.5px}.note strong{color:var(--ink)}.aside{position:sticky;top:110px;border:1px solid var(--line);border-radius:17px;padding:22px;background:#fff}.aside h3{font-size:17px;margin:0 0 9px}.aside p{color:var(--muted);font-size:14px}.aside .btn{width:100%;font-size:13px;padding:12px}.byline{font-size:13px;color:var(--muted);margin:15px 0 0}.related{border-top:1px solid var(--line);padding-top:30px;margin-top:45px}.related h2{margin-bottom:20px}.module-card{display:flex;flex-direction:column;min-height:245px}.module-card .module-text{flex:1}.module-card h3{font-size:18px;margin:10px 0}.module-card p{font-size:14px}.module-card .linkarrow{margin-top:10px;font-size:14px}.pill-cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.pill-cats a{border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 13px;font-weight:690;color:#445d74;font-size:13px}.pill-cats a:hover{color:var(--blue);border-color:#b5cbe8;text-decoration:none}.guide-card{display:block;color:var(--ink)}.guide-card:hover{text-decoration:none}.guide-card h3{color:var(--ink)}.guide-card span.linkarrow{color:var(--blue)}.product-hero{display:grid;grid-template-columns:1fr 300px;gap:75px;align-items:center}.product-hero .cover{max-width:300px;margin:auto;border-radius:11px;box-shadow:0 15px 30px rgba(0,15,31,.16)}.bullets{list-style:none;padding:0}.bullets li{position:relative;padding:7px 0 7px 27px}.bullets li:before{content:'✓';position:absolute;left:0;color:#11856c;font-weight:900}.legal{font-size:14px;color:var(--muted)}.share-tools{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.share-tools button,.share-tools a{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:9px;color:#335877;font-weight:700;font-size:13px}.share-tools button:hover,.share-tools a:hover{background:#f0f5fb;text-decoration:none}.callout{padding:21px;border-radius:15px;background:var(--mint);border:1px solid #cae7db}.callout strong{color:#105f49}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;transform:translateY(-140%);left:15px;z-index:999;background:#fff;padding:12px}.skip:focus{transform:none}.toast{position:fixed;right:20px;bottom:20px;background:#112b4b;color:#fff;padding:14px 18px;border-radius:11px;font-size:14px;box-shadow:var(--shadow);z-index:100;max-width:340px;display:none}.toast.show{display:block}.highlight-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.highlight-list .feature{padding:10px 0}.author-strip{display:flex;align-items:center;gap:22px;border-top:1px solid var(--line);padding-top:27px;margin-top:36px}.author-avatar{display:grid;place-items:center;flex:none;width:56px;height:56px;border-radius:50%;background:#eaf2ff;color:var(--blue);font-weight:800}.author-strip strong{display:block}.author-strip p{font-size:13px;color:var(--muted);margin:0}
@media(max-width:950px){.hero-grid{gap:24px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr;gap:28px}.aside{position:static;max-width:660px}.product-hero{gap:30px}.highlight-list{grid-template-columns:1fr 1fr}}
@media(max-width:740px){.container{width:min(100% - 34px,1120px)}.nav{min-height:68px}.brand span{font-size:14px}.brand small{font-size:9px}.menu-btn{display:block}.nav-items{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 22px 22px;box-shadow:0 18px 26px rgba(15,34,54,.07);flex-direction:column;gap:12px;align-items:stretch}.nav-items.open{display:flex}.nav-items>a:not(.btn){font-size:16px;padding:7px 0}.hero-grid,.product-hero{grid-template-columns:1fr;gap:42px;padding-block:56px}.hero h1{font-size:42px}.lead{font-size:17px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.stats{gap:16px}.stat strong{font-size:19px}.product-preview{width:100%;max-width:400px}.section{padding-block:55px}.grid.three,.grid.two,.highlight-list{grid-template-columns:1fr}.box-offer{grid-template-columns:1fr;padding:28px}.offer-actions{text-align:left}.offer-actions .btn{max-width:unset}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.page-head{padding:45px 0 40px}.page-title{font-size:34px}.prose{font-size:15.5px}.prose h2{font-size:25px}.product-hero .cover{width:210px}.tile{padding:22px}.codebox{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:740px){.linkarrow{white-space:normal}}
