/* Brainz Group — основной стиль */
*,*:before,*:after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Roboto",Arial,Helvetica,sans-serif;font-size:14px;line-height:1.75;color:#555;background:#fff}
a{color:#333;text-decoration:none;transition:color .2s,border-color .2s,background .2s}
a:hover{color:#000}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:"Raleway","Roboto",Arial,sans-serif;color:#333;font-weight:600;line-height:1.3;margin:0 0 15px}
p{margin:0 0 15px}
.container{width:100%;max-width:1060px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:860px}

/* ---------- Шапка ---------- */
.header{position:absolute;top:0;left:0;right:0;z-index:50;padding:14px 0}
.header .container{display:flex;align-items:center;justify-content:space-between;max-width:1180px}
.header.fixed{position:fixed;background:rgba(17,17,17,.94);padding:8px 0;box-shadow:0 1px 6px rgba(0,0,0,.25)}
.logo{display:flex;align-items:center;gap:9px;color:#fff;font-family:"Raleway",Arial,sans-serif;font-size:22px;font-weight:400;letter-spacing:.6px;white-space:nowrap}
.logo:hover{color:#fff}
.logo svg{width:30px;height:30px;flex:0 0 30px}
.logo b{font-weight:700}
.nav{display:flex;align-items:center;gap:4px}
.nav>li{list-style:none;position:relative}
.nav{margin:0;padding:0}
.nav>li>a{display:block;color:#fff;font-size:11.5px;font-weight:700;padding:6px 9px;letter-spacing:.2px}
.nav>li>a:hover,.nav>li.active>a{color:#fff;text-decoration:underline;text-underline-offset:4px}
.nav>li>a.nav-btn{border:1px solid #fff;padding:3px 8px;margin-left:6px}
.nav>li>a.nav-btn:hover{background:#fff;color:#222;text-decoration:none}
.nav .sub{display:none;position:absolute;top:100%;left:0;min-width:250px;background:#fff;padding:8px 0;margin:0;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.nav .sub li{list-style:none}
.nav .sub a{display:block;padding:7px 18px;font-size:12.5px;color:#444}
.nav .sub a:hover{background:#f2f2f2;color:#000}
.nav>li:hover .sub{display:block}
.burger{display:none;background:none;border:1px solid #fff;width:38px;height:32px;padding:6px;cursor:pointer}
.burger span{display:block;height:2px;background:#fff;margin:4px 0}

/* ---------- Главный экран ---------- */
.hero{position:relative;height:640px;min-height:480px;max-height:100vh;background:#111 url(../img/hero-main.jpg) center/cover no-repeat;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.28)}
.hero-inner{position:relative;z-index:2;padding:0 20px}
.hero h1{color:#fff;font-family:"Roboto",Arial,sans-serif;font-weight:300;font-size:46px;margin:0 0 6px;min-height:60px}
.hero h1 .cursor{display:inline-block;width:2px;height:40px;background:#fff;margin-left:3px;vertical-align:-4px;animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}
.hero p{font-size:15px;margin:0 0 24px;color:#eee}
.btn{display:inline-block;border:1px solid #333;color:#333;background:transparent;font-size:11.5px;font-weight:700;padding:10px 24px;cursor:pointer;font-family:inherit;letter-spacing:.2px;text-align:center}
.btn:hover{background:#333;color:#fff}
.btn-white{border-color:#fff;color:#fff}
.btn-white:hover{background:#fff;color:#222}
.btn-dark{background:#333;color:#fff}
.btn-dark:hover{background:#000;border-color:#000;color:#fff}

/* страницы: верхний баннер */
.page-hero{position:relative;padding:150px 0 80px;background:#1b1b1b url(../img/page-bg-1.jpg) center/cover no-repeat;color:#fff;text-align:center}
.page-hero.bg2{background-image:url(../img/page-bg-2.jpg)}
.page-hero.bg3{background-image:url(../img/page-bg-3.jpg)}
.page-hero:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.35)}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-family:"Roboto",Arial,sans-serif;font-weight:300;font-size:38px;margin:0 0 8px}
.page-hero p{color:#e6e6e6;font-size:15px;margin:0 auto;max-width:700px}
.crumbs{font-size:12px;color:#bbb;margin-bottom:16px}
.crumbs a{color:#ddd}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span{margin:0 6px}

/* ---------- Секции ---------- */
.section{position:relative;padding:80px 0}
.section.grey{background:#f1f1f1}
.section.notch:before{content:"";position:absolute;top:0;left:50%;margin-left:-14px;border:14px solid transparent;border-top-color:#f1f1f1;border-bottom:0}
.section.grey.notch:before{border-top-color:#fff}
.section.dark{background:#222;color:#bbb}
.section.dark h2,.section.dark h3{color:#fff}
.section-title{text-align:center;font-size:21px;margin-bottom:46px;position:relative;padding-bottom:16px}
.section-title:after{content:"";position:absolute;left:50%;bottom:0;width:160px;margin-left:-80px;height:1px;background:#ddd}
.section.dark .section-title:after{background:#444}
.section-sub{text-align:center;max-width:680px;margin:-28px auto 44px;font-size:13.5px}

/* Три услуги */
.services3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;text-align:center}
.services3 .ico{width:110px;height:90px;margin:0 auto 18px}
.services3 h3{font-size:15px;margin-bottom:12px}
.services3 p{font-size:12.5px;line-height:1.8}
.center{text-align:center}
.mt30{margin-top:30px}.mt40{margin-top:40px}

/* Шаги */
.step{display:grid;grid-template-columns:1fr 1.6fr;gap:60px;align-items:center}
.step.rev{grid-template-columns:1.6fr 1fr}
.step.rev .step-ico{order:2}
.step-ico svg{width:130px;height:130px;margin:0 auto;display:block}
.step h3{font-size:20px;padding-bottom:12px;border-bottom:1px solid #e0e0e0;margin-bottom:18px;display:inline-block;padding-right:60px}
.step p{font-size:12.5px;line-height:1.85}
.step-sec{padding:95px 0}

/* Цифры */
.stats{background:#1a1a1a url(../img/stats-bg.jpg) center/cover fixed;position:relative;color:#fff;padding:80px 0}
.stats:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.55)}
.stats .container{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stats .num{font-family:"Roboto",Arial,sans-serif;font-weight:300;font-size:46px;line-height:1.1}
.stats .lbl{font-size:12px;color:#ccc;text-transform:uppercase;letter-spacing:1px;margin-top:8px}

/* Карточки проектов */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.project{background:#fff;display:block;color:#555;border:1px solid #e6e6e6}
.project:hover{color:#555;border-color:#bbb}
.project .thumb{position:relative;overflow:hidden}
.project .thumb img{transition:transform .5s;width:100%}
.project:hover .thumb img{transform:scale(1.04)}
.project .tag{position:absolute;left:0;top:14px;background:#222;color:#fff;font-size:10.5px;font-weight:700;padding:3px 10px;text-transform:uppercase;letter-spacing:.5px}
.project .body{padding:18px 20px 20px}
.project h3{font-size:15px;margin-bottom:6px}
.project .meta{font-size:11.5px;color:#999;margin-bottom:8px}
.project p{font-size:12.5px;margin:0}

/* Карточки услуг (расширенный список) */
.svc{border:1px solid #e3e3e3;background:#fff;padding:30px 26px;display:block;color:#555;text-align:center}
.svc:hover{border-color:#999;color:#555}
.svc svg{width:62px;height:62px;margin:0 auto 14px;display:block}
.svc h3{font-size:15px;margin-bottom:10px}
.svc p{font-size:12.5px;margin-bottom:12px}
.svc .more{font-size:11.5px;font-weight:700;color:#333;border-bottom:1px solid #999}

/* Преимущества */
.adv{display:flex;gap:18px;align-items:flex-start}
.adv svg{flex:0 0 46px;width:46px;height:46px}
.adv h3{font-size:15px;margin-bottom:6px}
.adv p{font-size:12.5px;margin:0}

/* Цены */
.price{border:1px solid #ddd;background:#fff;padding:36px 28px;text-align:center;display:flex;flex-direction:column}
.price.hl{border-color:#333;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.price h3{font-size:17px;margin-bottom:6px}
.price .sum{font-family:"Roboto",Arial,sans-serif;font-weight:300;font-size:32px;color:#222;margin:10px 0 2px}
.price .term{font-size:12px;color:#999;margin-bottom:18px}
.price ul{list-style:none;padding:0;margin:0 0 24px;text-align:left;font-size:12.5px;flex:1}
.price li{padding:7px 0 7px 22px;border-bottom:1px dashed #e3e3e3;position:relative}
.price li:before{content:"";position:absolute;left:3px;top:13px;width:8px;height:4px;border-left:1.5px solid #333;border-bottom:1.5px solid #333;transform:rotate(-45deg)}

/* Команда */
.person{text-align:center}
.person .ava{width:120px;height:120px;border-radius:50%;margin:0 auto 14px;background:#e6e6e6;display:flex;align-items:center;justify-content:center;font-family:"Raleway",sans-serif;font-size:30px;color:#777;border:1px solid #d6d6d6}
.person h3{font-size:14.5px;margin-bottom:2px}
.person .role{font-size:12px;color:#999}

/* Отзывы */
.review{background:#fff;border:1px solid #e3e3e3;padding:28px 26px;position:relative}
.review:before{content:"\201C";position:absolute;right:20px;top:-6px;font-size:80px;color:#e3e3e3;font-family:Georgia,serif;line-height:1}
.review p{font-size:13px;font-style:italic}
.review .who{font-size:12px;color:#888;font-style:normal;margin:0}
.review .who b{color:#333;display:block;font-size:13px}

/* Блог-карточки */
.post{display:block;color:#555;background:#fff;border:1px solid #e6e6e6}
.post:hover{color:#555;border-color:#bbb}
.post img{width:100%}
.post .body{padding:18px 20px 22px}
.post .cat{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:#999;font-weight:700}
.post h3{font-size:15px;margin:6px 0 8px;line-height:1.4}
.post p{font-size:12.5px;margin:0 0 10px}
.post .date{font-size:11.5px;color:#aaa}

/* FAQ */
.faq-item{border-bottom:1px solid #e3e3e3}
.faq-q{display:block;width:100%;text-align:left;background:none;border:0;padding:16px 40px 16px 0;font-family:"Raleway",Arial,sans-serif;font-weight:600;font-size:15px;color:#333;cursor:pointer;position:relative}
.faq-q:after{content:"+";position:absolute;right:6px;top:12px;font-size:22px;font-weight:300}
.faq-item.open .faq-q:after{content:"\2212"}
.faq-a{display:none;padding:0 0 16px;font-size:13px}
.faq-item.open .faq-a{display:block}

/* Технологии */
.tools{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.tools span{border:1px solid #d8d8d8;padding:8px 18px;font-size:12.5px;color:#555;background:#fff}

/* Таймлайн */
.timeline{position:relative;max-width:820px;margin:0 auto}
.timeline:before{content:"";position:absolute;left:110px;top:6px;bottom:6px;width:1px;background:#ccc}
.tl{display:grid;grid-template-columns:110px 1fr;gap:34px;margin-bottom:28px;position:relative}
.tl .t{text-align:right;font-weight:700;color:#333;font-size:13px;padding-top:2px}
.tl:before{content:"";position:absolute;left:105px;top:7px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid #333}
.tl h3{font-size:15px;margin-bottom:4px}
.tl p{font-size:12.5px;margin:0}

/* Чек-лист до/после */
.checks{list-style:none;padding:0;margin:0}
.checks li{padding:8px 0 8px 30px;position:relative;font-size:13px;border-bottom:1px dashed #e0e0e0}
.checks li:before{content:"";position:absolute;left:6px;top:15px;width:10px;height:5px;border-left:1.5px solid #333;border-bottom:1.5px solid #333;transform:rotate(-45deg)}
.checks.minus li:before{width:10px;height:0;border-left:0;border-bottom:1.5px solid #999;transform:none;top:19px}
.box{border:1px solid #e0e0e0;background:#fff;padding:30px}

/* SEO-текст */
.seo-text{font-size:13.5px;line-height:1.85}
.seo-text h2{font-size:21px;text-align:center;margin-bottom:30px}
.seo-text h3{font-size:16px;margin:24px 0 10px}
.seo-text a{color:#222;border-bottom:1px solid #999}
.seo-text a:hover{border-color:#222}
.cols2{column-count:2;column-gap:46px}
.cols2 p{break-inside:avoid}

/* Форма */
.form{max-width:640px;margin:0 auto}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form input[type=text],.form input[type=email],.form textarea,.form select{width:100%;border:1px solid #ccc;background:#fff;padding:11px 14px;font-family:inherit;font-size:13.5px;color:#333;margin-bottom:16px;border-radius:0;outline:none}
.form input:focus,.form textarea:focus,.form select:focus{border-color:#333}
.form textarea{min-height:120px;resize:vertical}
.form .agree{display:flex;align-items:flex-start;gap:10px;font-size:12px;color:#777;line-height:1.55;margin:4px 0 18px;text-align:left;cursor:pointer}
.form .agree input{margin:2px 0 0;width:15px;height:15px;flex:0 0 15px;accent-color:#333;cursor:pointer}
.form .agree a{color:#333;border-bottom:1px solid #aaa}
.form .actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.form .actions .agree{margin:0;flex:1;min-width:240px}
.form .note{font-size:12.5px;margin-top:12px;min-height:20px}
.form .note.err{color:#b33}
.form .note.ok{color:#2c6b33}
.section.dark .form input,.section.dark .form textarea{background:#2b2b2b;border-color:#444;color:#eee}
.section.dark .form .agree{color:#999}
.section.dark .form .agree a{color:#ddd}

/* Контакты */
.contacts-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:stretch}
.contact-line{display:flex;gap:14px;margin-bottom:18px;font-size:13.5px}
.contact-line svg{flex:0 0 22px;width:22px;height:22px;margin-top:2px}
.contact-line b{display:block;color:#333}
.map{background:#e9e9e9;min-height:320px;position:relative;overflow:hidden;border:1px solid #ddd}
.map svg{position:absolute;inset:0;width:100%;height:100%}
.socials{display:flex;gap:10px}
.socials span{width:34px;height:34px;border:1px solid #bbb;display:flex;align-items:center;justify-content:center;cursor:default}
.socials svg{width:16px;height:16px}

/* ---------- Контент страниц ---------- */
.content{font-size:14px;line-height:1.85}
.content h2{font-size:22px;margin:0 0 22px}
.content h3{font-size:16.5px;margin:26px 0 10px}
.content ul,.content ol{padding-left:22px;margin:0 0 18px}
.content li{margin-bottom:6px}
.content a{color:#222;border-bottom:1px solid #aaa}
.content a:hover{border-color:#222}
.content blockquote{margin:20px 0;padding:18px 24px;border-left:3px solid #333;background:#f6f6f6;font-style:italic}
.section.grey .content blockquote{background:#fff}
.content blockquote p:last-child{margin:0}
.content table{width:100%;border-collapse:collapse;margin:10px 0 22px;font-size:13px;background:#fff}
.content th,.content td{border:1px solid #ddd;padding:10px 12px;text-align:left;vertical-align:top}
.content th{background:#f3f3f3;color:#333;font-weight:700}
.content code{background:#f0f0f0;padding:1px 5px;font-size:12.5px}
.page-section h2{text-align:center;position:relative;padding-bottom:16px;margin-bottom:34px}
.page-section h2:after{content:"";position:absolute;left:50%;bottom:0;width:140px;margin-left:-70px;height:1px;background:#ddd}
.facts{display:flex;justify-content:center;gap:50px;flex-wrap:wrap;margin-top:28px}
.facts div{text-align:center}
.facts b{display:block;font-family:"Roboto",sans-serif;font-weight:300;font-size:26px;color:#fff}
.facts span{font-size:11.5px;color:#ccc;text-transform:uppercase;letter-spacing:.8px}

/* Статья */
.article-wrap{display:grid;grid-template-columns:1fr 280px;gap:50px}
.article-meta{font-size:12px;color:#bbb;margin-top:10px}
.article-meta span{margin:0 8px}
.article .lead-img{margin-bottom:30px;border:1px solid #e6e6e6}
.sidebar .widget{margin-bottom:34px}
.sidebar h4{font-size:14px;padding-bottom:10px;border-bottom:1px solid #e3e3e3;margin-bottom:12px}
.sidebar ul{list-style:none;padding:0;margin:0}
.sidebar li{padding:6px 0;font-size:13px;border-bottom:1px dashed #eee;display:flex;justify-content:space-between;gap:8px}
.sidebar li a:hover{text-decoration:underline}
.sidebar li.cur a{font-weight:700}
.sidebar .cta-box{background:#222;color:#bbb;padding:24px;font-size:12.5px}
.sidebar .cta-box h4{color:#fff;border-color:#444}
.cat-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:40px}
.cat-tabs a{border:1px solid #ccc;padding:6px 14px;font-size:12px;font-weight:700;color:#555;background:#fff}
.cat-tabs a.on,.cat-tabs a:hover{background:#333;border-color:#333;color:#fff}
.share-row{margin-top:36px;padding-top:20px;border-top:1px solid #e3e3e3;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.post-nav a{border:1px solid #e3e3e3;padding:16px 18px;font-size:13px;display:block}
.post-nav a small{display:block;color:#999;font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.post-nav a:hover{border-color:#999}
.post-nav .next{text-align:right}

/* Кейс */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.metrics .m{border:1px solid #e0e0e0;padding:26px 16px;background:#fff}
.metrics b{display:block;font-family:"Roboto",sans-serif;font-weight:300;font-size:34px;color:#222;line-height:1.2}
.metrics span{font-size:12px;color:#888}
.case-info{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;font-size:13px;margin-bottom:30px}
.case-info b{display:block;color:#333;font-size:11px;text-transform:uppercase;letter-spacing:.6px}

/* 404 */
.e404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:#111 url(../img/hero-alt.jpg) center/cover;color:#fff;position:relative;padding:120px 20px}
.e404:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.45)}
.e404 .in{position:relative}
.e404 .code{font-family:"Roboto",sans-serif;font-weight:300;font-size:130px;line-height:1}
.e404 h1{color:#fff;font-weight:300;font-family:"Roboto",sans-serif;font-size:26px}

/* ---------- Подвал ---------- */
.footer{background:#1d1d1d;color:#999;font-size:12.5px;padding:56px 0 0}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:7px}
.footer a{color:#aaa}
.footer a:hover{color:#fff}
.footer .logo{margin-bottom:16px}
.footer .socials span{border-color:#444}
.footer .socials svg{fill:#999}
.footer-bottom{border-top:1px solid #2e2e2e;margin-top:40px;padding:18px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-bottom .docs a{margin-left:18px}

/* Cookie */
.cookie{position:fixed;left:20px;right:20px;bottom:20px;max-width:760px;margin:0 auto;background:#222;color:#ccc;font-size:12.5px;padding:16px 20px;display:none;align-items:center;gap:20px;z-index:200;box-shadow:0 6px 24px rgba(0,0,0,.35)}
.cookie.show{display:flex}
.cookie a{color:#fff;border-bottom:1px solid #777}
.cookie .btn{flex:0 0 auto}
.to-top{position:fixed;right:20px;bottom:20px;width:40px;height:40px;background:#333;color:#fff;display:none;align-items:center;justify-content:center;z-index:90;cursor:pointer;border:0}
.to-top.show{display:flex}

/* ---------- Адаптив ---------- */
@media (max-width:980px){
 .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#151515;flex-direction:column;align-items:stretch;padding:10px 20px 20px}
 .nav.open{display:flex}
 .nav>li>a{padding:10px 0;font-size:13px}
 .nav>li>a.nav-btn{margin:10px 0 0;text-align:center}
 .nav .sub{position:static;display:block;background:none;box-shadow:none;padding:0 0 0 14px}
 .nav .sub a{color:#aaa;padding:5px 0}
 .nav .sub a:hover{background:none;color:#fff}
 .burger{display:block}
 .header{background:rgba(17,17,17,.6)}
 .grid4{grid-template-columns:repeat(2,1fr)}
 .footer .cols{grid-template-columns:1fr 1fr}
 .article-wrap{grid-template-columns:1fr}
 .stats .container{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
 .services3,.grid3,.grid2,.contacts-grid,.metrics,.case-info{grid-template-columns:1fr}
 .step,.step.rev{grid-template-columns:1fr;gap:20px;text-align:center}
 .step.rev .step-ico{order:0}
 .step h3{padding-right:0}
 .hero h1{font-size:30px}
 .hero h1 .cursor{height:28px}
 .page-hero{padding:120px 0 60px}
 .page-hero h1{font-size:28px}
 .cols2{column-count:1}
 .form .row{grid-template-columns:1fr;gap:0}
 .post-nav{grid-template-columns:1fr}
 .timeline:before{left:8px}
 .tl{grid-template-columns:1fr;gap:4px;padding-left:30px}
 .tl .t{text-align:left}
 .tl:before{left:3px}
 .footer .cols{grid-template-columns:1fr}
 .cookie{flex-direction:column;align-items:flex-start}
 .section{padding:54px 0}
 .stats{background-attachment:scroll}
}