:root{--ink:#0f172a;--text:#2b3140;--mute:#64748b;--line:#e5e7eb;--soft:#f5f6f8;--soft2:#eef1fb;--accent:#2f4fe0;--accent-d:#2238b8;--ok:#0f7a4a;--r:10px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto}
strong{color:var(--ink);font-weight:650}
h1,h2,h3{color:var(--ink);line-height:1.2;letter-spacing:-.015em}
h1{font-size:clamp(32px,5vw,50px);font-weight:750;margin:0 0 18px}
h2{font-size:clamp(24px,3vw,31px);font-weight:700;margin:56px 0 14px}
h3{font-size:20px;font-weight:650;margin:30px 0 8px}
p{margin:0 0 16px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:6px;z-index:20}
.skip:focus{left:8px}
:focus-visible{outline:3px solid rgba(47,79,224,.35);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px;margin:0 auto;padding:0 20px}
/* header */
.top{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.top__in{max-width:1180px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:750;font-size:17px;text-decoration:none;white-space:nowrap}
.brand img{width:30px;height:30px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav>a,.dd__btn{color:var(--text);text-decoration:none;font:inherit;font-size:15px;font-weight:500;padding:8px 12px;border-radius:8px;white-space:nowrap;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.nav>a:hover,.nav>a[aria-current],.dd__btn:hover,.dd:focus-within .dd__btn,.dd.open .dd__btn{color:var(--ink);background:var(--soft)}
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:600;font-size:15.5px;padding:12px 20px;border-radius:9px;border:0;cursor:pointer;font-family:inherit;line-height:1.2}
.btn:hover{background:var(--accent-d)}
.btn--ghost{background:#fff;color:var(--ink)!important;border:1px solid var(--line)}
.btn--ghost:hover{background:var(--soft)}
.btn--sm{padding:9px 14px;font-size:14.5px}
.dd{position:relative}
.dd__btn svg{width:12px;height:12px;transition:transform .15s}
.dd:hover .dd__btn svg,.dd.open .dd__btn svg{transform:rotate(180deg)}
.dd__panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:10px;display:none;z-index:20}
.dd:hover .dd__panel,.dd:focus-within .dd__panel,.dd.open .dd__panel{display:block}
.dd__grid{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px rgba(15,23,42,.12);padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:2px;width:560px}
.dd__item{display:flex;gap:12px;padding:12px;border-radius:10px;text-decoration:none;color:var(--text)}
.dd__item:hover{background:var(--soft)}
.dd__item .ico{display:flex;width:34px;height:34px;flex:0 0 34px;margin:0}
.dd__item .ico svg{width:18px;height:18px}
.dd__item strong{display:block;font-size:14.5px;color:var(--ink);font-weight:650;line-height:1.3}
.dd__item span{display:block;font-size:13px;color:var(--mute);line-height:1.4;margin-top:2px}
.dd__item span span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dd__all{grid-column:1/-1;border-top:1px solid var(--line);margin-top:4px;padding:10px 12px 4px;font-size:14px;font-weight:600;color:var(--accent);text-decoration:none}
.lang{position:relative;margin-left:4px}
.lang summary{list-style:none;cursor:pointer;font-size:14px;font-weight:600;color:var(--text);padding:8px 10px;border-radius:8px;display:flex;align-items:center;gap:6px}
.lang summary::-webkit-details-marker{display:none}
.lang summary:hover,.lang[open] summary{background:var(--soft)}
.lang summary svg{width:16px;height:16px}
.lang__list{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px rgba(15,23,42,.12);padding:6px;min-width:170px;z-index:20}
.lang__list a{display:flex;justify-content:space-between;gap:16px;padding:9px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14.5px}
.lang__list a:hover{background:var(--soft)}
.lang__list a[aria-current]{color:var(--accent);font-weight:600}
.lang__list small{color:var(--mute);font-weight:600}
.top .btn{margin-left:10px}
.menu{display:none;margin-left:auto}
.menu summary{list-style:none;cursor:pointer;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--ink)}
.menu summary::-webkit-details-marker{display:none}
.menu summary svg{width:20px;height:20px}
.menu .i-close{display:none}
.menu[open] .i-open{display:none}
.menu[open] .i-close{display:block}
.menu__panel{position:fixed;left:0;right:0;top:64px;bottom:0;overflow-y:auto;background:#fff;border-top:1px solid var(--line);padding:8px 16px 32px}
.menu__label{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--mute);margin:18px 0 6px}
.menu__svc{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--ink);text-decoration:none;font-weight:550;border-bottom:1px solid var(--soft)}
.menu__svc .ico{width:32px;height:32px;margin:0;flex:0 0 32px}
.menu__svc .ico svg{width:17px;height:17px}
.menu__link{display:block;padding:13px 0;border-bottom:1px solid var(--soft);color:var(--ink);text-decoration:none;font-weight:600;font-size:17px}
.menu__langs{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.menu__langs a{padding:7px 12px;border:1px solid var(--line);border-radius:99px;font-size:14px;color:var(--text);text-decoration:none}
.menu__langs a[aria-current]{border-color:var(--accent);color:var(--accent);font-weight:600}
.menu__panel .btn{margin:22px 0 0;width:100%;padding:14px 20px}
body.menu-open{overflow:hidden}
@media (max-width:960px){.nav,.lang,.top .btn--cta{display:none}.menu{display:block}.top__in{gap:12px}}
/* hero */
.hero{padding:72px 0 64px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff 0%,var(--soft2) 100%)}
.hero__grid{display:grid;grid-template-columns:1.25fr .9fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.lead{font-size:19.5px;color:#3a4150;max-width:640px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}
.hero__facts{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14.5px;color:var(--mute);padding:0;margin:0;list-style:none}
.hero__facts li::before{content:"✓";color:var(--ok);font-weight:700;margin-right:7px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.hero__card h2{font-size:18px;margin:0 0 6px}
.hero__card p{font-size:15px;color:var(--mute);margin-bottom:16px}
.checklist{list-style:none;padding:0;margin:0 0 18px}
.checklist li{display:flex;gap:10px;padding:9px 0;border-top:1px solid var(--soft);font-size:15px}
.checklist li span{flex:0 0 22px;height:22px;border-radius:50%;background:var(--soft2);color:var(--accent);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px}
/* sections */
.sec{padding:76px 0}
.sec--soft{background:var(--soft)}
.sec__head{max-width:720px;margin-bottom:34px}
.sec__head h2{margin-top:0}
.sec__head p{color:#475063;font-size:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.svc{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;color:var(--text);transition:border-color .15s,box-shadow .15s}
.svc:hover{border-color:#c7cff7;box-shadow:0 8px 24px rgba(47,79,224,.08)}
.svc h3{margin:0 0 8px;font-size:19px}
.svc p{font-size:15.5px;color:#4b5363;margin:0 0 14px}
.svc .more{margin-top:auto;color:var(--accent);font-weight:600;font-size:15px}
.ico{width:40px;height:40px;border-radius:10px;background:var(--soft2);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.ico svg{width:22px;height:22px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.steps li::before{content:"0" counter(s);display:block;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px;letter-spacing:.05em}
.steps h3{margin:0 0 6px;font-size:18px}
.steps p{font-size:15px;margin:0;color:#4b5363}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding:0 0 14px 30px}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--soft2);box-shadow:inset 0 0 0 5px var(--accent)}
.person{display:flex;gap:18px;align-items:flex-start}
.avatar{flex:0 0 64px;height:64px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:21px;letter-spacing:.02em}
.person h3{margin:0 0 2px}
.person .role{color:var(--mute);font-size:14.5px;margin-bottom:10px}
.cta{background:var(--ink);color:#cbd5e1;border-radius:18px;padding:48px;display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center}
.cta h2{color:#fff;margin:0 0 10px}
.cta p{margin:0}
/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;font-weight:600;color:var(--ink);padding:16px 36px 16px 0;position:relative;font-size:17.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:24px;font-weight:400;color:var(--mute)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 16px;color:#424a5a}
/* page head */
.phead{padding:52px 0 40px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff 0%,var(--soft) 100%)}
.crumbs{font-size:14px;color:var(--mute);margin-bottom:16px}
.crumbs a{color:var(--mute);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.byline{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:14.5px;color:var(--mute);margin-top:6px}
.byline .mini{width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.byline strong{font-weight:600}
/* article */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:56px;max-width:1120px;margin:0 auto;padding:44px 20px 80px}
.prose{max-width:740px}
.prose h2{scroll-margin-top:84px}
.prose h3{scroll-margin-top:84px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}
.prose li{margin-bottom:8px}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--soft);color:var(--ink);font-weight:650;white-space:nowrap}
.prose code{background:var(--soft);padding:1px 6px;border-radius:5px;font-size:.92em}
.takeaways{background:var(--soft2);border-radius:12px;padding:20px 24px 8px;margin:0 0 28px}
.takeaways__t{font-weight:700;color:var(--ink);margin:0 0 8px;font-size:15px;text-transform:uppercase;letter-spacing:.05em}
.aside{position:sticky;top:88px;align-self:start;font-size:14.5px}
.toc{border-left:2px solid var(--line);padding-left:16px;margin-bottom:28px}
.toc p{font-weight:700;color:var(--ink);margin:0 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.toc ol{list-style:none;padding:0;margin:0}
.toc li{margin:0 0 8px;line-height:1.4}
.toc a{color:var(--text);text-decoration:none}
.toc a:hover{color:var(--accent)}
.aside .card{padding:20px}
.aside .card h3{margin:0 0 6px;font-size:16px}
.aside .card p{font-size:14.5px;color:var(--mute)}
.authorbox{display:flex;gap:16px;border:1px solid var(--line);border-radius:14px;padding:22px;margin-top:44px}
.authorbox p{margin:0;font-size:15.5px}
.related{margin-top:48px}
/* blog list */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s}
.post:hover{border-color:#c7cff7;box-shadow:0 8px 24px rgba(47,79,224,.08)}
.post .cat{font-size:12.5px;font-weight:650;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.post h3{margin:0 0 8px;font-size:18.5px}
.post p{font-size:15px;color:#4b5363;margin:0 0 14px}
.post .meta{margin-top:auto;font-size:13.5px;color:var(--mute)}
.post--wide{grid-column:1/-1;flex-direction:row;gap:28px;align-items:center;background:var(--soft2);border-color:#d9def8}
.post--wide>div{flex:1}
.post--wide h3{font-size:24px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.filters a{font-size:14px;padding:6px 12px;border:1px solid var(--line);border-radius:99px;text-decoration:none;color:var(--text)}
.filters a:hover{border-color:var(--accent);color:var(--accent)}
/* ranking (moved) */
.agency{border-top:1px solid var(--line);padding-top:8px;margin-top:40px}
.agency__logo{display:block;height:44px;width:auto;max-width:180px;object-fit:contain;margin:20px 0 6px}
.agency h3{font-size:24px;margin:8px 0 4px}
.agency .tagline{font-weight:600;color:var(--ink);margin-bottom:12px}
.facts{background:var(--soft);border-radius:10px;padding:12px 16px;font-size:15px}
.glance{padding-left:0;list-style:none;counter-reset:g}
.glance li{counter-increment:g;padding:10px 0 10px 44px;border-bottom:1px solid var(--soft);position:relative}
.glance li::before{content:counter(g,decimal-leading-zero);position:absolute;left:0;top:10px;font-weight:700;color:var(--accent);font-size:15px}
.rate{border:1px solid var(--line);border-radius:14px;padding:22px;margin-top:40px}
.rate .stars{display:flex;gap:4px;margin:8px 0}
.rate .star{background:none;border:0;font-size:30px;line-height:1;color:#d1d5db;cursor:pointer;padding:0 2px}
.rate .star.on{color:#f5a524}
/* form */
.form{display:grid;gap:14px}
.form label{font-size:14.5px;font-weight:600;color:var(--ink);display:block;margin-bottom:6px}
.form input,.form textarea,.form select{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #cfd5df;border-radius:9px;background:#fff;color:var(--ink)}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--accent);outline:3px solid rgba(47,79,224,.15)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .hp{position:absolute;left:-5000px}
.form .note{font-size:13.5px;color:var(--mute)}
.msg{padding:14px 16px;border-radius:9px;font-size:15.5px;display:none}
.msg.ok{display:block;background:#e7f6ee;color:#0b5d38}
.msg.err{display:block;background:#fdecec;color:#9b1c1c}
/* footer */
.foot{background:var(--ink);color:#a7b0c0;padding:56px 0 32px;font-size:15px}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin-bottom:8px}
.foot a{color:#cbd5e1;text-decoration:none}
.foot a:hover{color:#fff}
.foot .brand{color:#fff;margin-bottom:12px}
.foot__bar{border-top:1px solid #243049;margin-top:40px;padding-top:20px;font-size:13.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media (max-width:980px){
 .hero__grid,.split,.cta{grid-template-columns:1fr;gap:32px}
 .grid3,.posts{grid-template-columns:1fr 1fr}
 .steps{grid-template-columns:1fr 1fr}
 .layout{grid-template-columns:1fr;gap:0}
 .aside{position:static;display:none}
 .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
 body{font-size:16.5px}
 .wrap,.narrow{padding:0 16px}
 .top__in{padding:0 16px}
 .hero{padding:44px 0 40px}
 .sec{padding:52px 0}
 .grid3,.grid2,.posts,.steps,.form .row{grid-template-columns:1fr}
 .post--wide{flex-direction:column;align-items:flex-start}
 .cta{padding:30px 22px}
 .layout{padding:28px 16px 60px}
 .foot__grid{grid-template-columns:1fr}
}