/* FriendIT — B2B инфраструктура. Один файл стилей, без внешних зависимостей. */
:root{
  --bg:#0a0e1a; --bg2:#0d1426; --panel:#0f1730;
  --card:rgba(255,255,255,.04); --stroke:rgba(255,255,255,.10);
  --txt:#e9eefb; --mut:#93a0c0; --acc:#4f86ff; --acc2:#9a6bff; --ok:#2fe0ad;
  --max:1160px; --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.eyebrow{color:var(--acc);font-weight:700;font-size:12.5px;letter-spacing:2px;text-transform:uppercase}
.center{text-align:center}
.mut{color:var(--mut)}

/* фон */
.bgfx{position:fixed;inset:0;z-index:-1;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(95px);opacity:.5;animation:float 20s ease-in-out infinite}
.b1{width:520px;height:520px;background:#284dff;top:-160px;left:-120px}
.b2{width:460px;height:460px;background:#7d3cff;bottom:-180px;right:-120px;animation-delay:-7s}
.b3{width:360px;height:360px;background:#0fb89a;top:42%;left:58%;animation-delay:-13s;opacity:.3}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.12)}}
.grid-overlay{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px;mask:radial-gradient(circle at 50% 25%,#000,transparent 78%);
  -webkit-mask:radial-gradient(circle at 50% 25%,#000,transparent 78%)}

/* кнопки */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:15px;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;box-shadow:0 8px 26px rgba(79,134,255,.4);
  transition:transform .15s,box-shadow .2s;cursor:pointer;border:0}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(79,134,255,.55)}
.btn.ghost{background:transparent;border:1px solid var(--stroke);box-shadow:none;color:var(--txt)}
.btn.ghost:hover{border-color:var(--acc)}
.btn.phone{background:transparent;border:1px solid var(--stroke);box-shadow:none}

/* шапка */
header.site{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(10,14,26,.62);border-bottom:1px solid var(--stroke)}
nav.site{display:flex;align-items:center;justify-content:space-between;height:66px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.3px;white-space:nowrap}
.logo .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:grid;place-items:center;
  font-size:15px;box-shadow:0 6px 20px rgba(79,134,255,.45)}
.logo small{display:block;font-size:10.5px;font-weight:600;color:var(--mut);letter-spacing:.5px}
.navlinks{display:flex;gap:22px;font-size:14.5px;color:var(--mut)}
.navlinks a{transition:color .2s}
.navlinks a:hover,.navlinks a.active{color:var(--txt)}
.nav-cta{display:flex;align-items:center;gap:14px;white-space:nowrap}
.nav-phone{font-weight:700;font-size:15px}
.burger{display:none;background:none;border:1px solid var(--stroke);border-radius:9px;color:var(--txt);font-size:20px;width:42px;height:40px;cursor:pointer}
@media(max-width:920px){.navlinks{display:none}.nav-phone{display:none}.burger{display:block}}

/* мобильное меню */
.mnav{display:none;position:fixed;inset:66px 0 0;z-index:55;background:rgba(8,11,22,.97);backdrop-filter:blur(8px);padding:24px 22px;flex-direction:column;gap:6px}
.mnav.open{display:flex}
.mnav a{padding:14px 8px;border-bottom:1px solid var(--stroke);font-size:17px;color:var(--txt)}

/* секции */
section{padding:78px 0}
.hero{padding:88px 0 64px}
h1{font-size:clamp(30px,5.2vw,54px);line-height:1.1;font-weight:800;letter-spacing:-1px}
h2{font-size:clamp(25px,3.6vw,38px);font-weight:800;letter-spacing:-.5px}
h3{font-size:19px;font-weight:700}
.grad{background:linear-gradient(120deg,var(--acc),var(--acc2) 58%,var(--ok));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(16px,2.1vw,19px);color:var(--mut);max-width:680px}
.sub{color:var(--mut);max-width:640px;margin:12px auto 44px}
.h2wrap{margin-bottom:14px}
.cta-row{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
.hero .cta-row{margin-top:34px}

/* плашка хлебных крошек */
.crumbs{font-size:13px;color:var(--mut);padding:18px 0 0}
.crumbs a:hover{color:var(--txt)}
.crumbs span{margin:0 7px;opacity:.5}

/* hero бейдж */
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);border:1px solid var(--stroke);background:var(--card);padding:7px 15px;border-radius:30px;margin-bottom:24px}
.pill .live{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,224,173,.6)}70%{box-shadow:0 0 0 9px rgba(47,224,173,0)}100%{box-shadow:0 0 0 0 rgba(47,224,173,0)}}

/* статистика */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:64px}
.stat{background:var(--card);border:1px solid var(--stroke);border-radius:var(--r);padding:24px 16px;text-align:center}
.stat b{display:block;font-size:30px;font-weight:800;background:linear-gradient(120deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:var(--mut)}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* карточки */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:880px){.cards,.cards.two{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--stroke);border-radius:18px;padding:28px;transition:transform .2s,border-color .2s,background .2s;position:relative}
.card:hover{transform:translateY(-5px);border-color:rgba(79,134,255,.5);background:rgba(79,134,255,.06)}
.card .ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:23px;background:linear-gradient(135deg,rgba(79,134,255,.25),rgba(154,107,255,.25));border:1px solid var(--stroke);margin-bottom:16px}
.card h3{margin-bottom:7px}
.card p{color:var(--mut);font-size:14.5px}
.card .more{display:inline-block;margin-top:14px;color:var(--acc);font-size:14px;font-weight:600}

/* список галочек */
.checks{list-style:none;display:grid;gap:12px;margin-top:8px}
.checks.two{grid-template-columns:1fr 1fr}
@media(max-width:680px){.checks.two{grid-template-columns:1fr}}
.checks li{position:relative;padding-left:30px;color:var(--mut)}
.checks li:before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:5px;
  background:linear-gradient(135deg,var(--acc),var(--ok))}
.checks li b{color:var(--txt);font-weight:600}

/* «как мы работаем» */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
@media(max-width:880px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--stroke);border-radius:var(--r);padding:24px}
.step:before{counter-increment:s;content:"0" counter(s);font-size:26px;font-weight:800;color:var(--acc);opacity:.7}
.step h3{margin:8px 0 6px}
.step p{color:var(--mut);font-size:14px}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--stroke);border-radius:13px;padding:4px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;font-size:16.5px;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--acc);font-size:22px;transition:transform .2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{color:var(--mut);padding:0 0 18px}

/* CTA-полоса */
.band{background:linear-gradient(120deg,rgba(79,134,255,.16),rgba(154,107,255,.16));border:1px solid var(--stroke);border-radius:24px;padding:54px 30px;text-align:center}

/* форма */
.formwrap{background:var(--card);border:1px solid var(--stroke);border-radius:20px;padding:34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--mut)}
.field input,.field textarea,.field select{background:var(--panel);border:1px solid var(--stroke);border-radius:11px;padding:12px 14px;color:var(--txt);font:inherit;font-size:15px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--acc)}
.field textarea{min-height:96px;resize:vertical}
.consent{font-size:12.5px;color:var(--mut);margin-top:6px}
.consent a{color:var(--acc)}

/* двухколоночный split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
@media(max-width:880px){.split{grid-template-columns:1fr}}

/* инфо-панель контактов */
.infocard{background:var(--card);border:1px solid var(--stroke);border-radius:var(--r);padding:22px;margin-bottom:14px}
.infocard .k{font-size:13px;color:var(--mut)}
.infocard .v{font-size:19px;font-weight:700;margin-top:2px}

/* липкая мобильная CTA */
.sticky-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;padding:10px;background:rgba(8,11,22,.95);border-top:1px solid var(--stroke);backdrop-filter:blur(8px)}
.sticky-cta a{flex:1;justify-content:center}
@media(max-width:920px){.sticky-cta{display:flex}body{padding-bottom:70px}}

/* футер */
footer.site{border-top:1px solid var(--stroke);padding:46px 0 30px;color:var(--mut);font-size:14px;margin-top:30px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}
@media(max-width:820px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.fgrid{grid-template-columns:1fr}}
footer.site h4{color:var(--txt);font-size:14px;margin-bottom:12px;text-transform:uppercase;letter-spacing:1px}
footer.site a{display:block;padding:4px 0;color:var(--mut)}
footer.site a:hover{color:var(--txt)}
.fbottom{border-top:1px solid var(--stroke);margin-top:30px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}
.tag-blizco{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--stroke);border-radius:30px;padding:5px 13px;font-size:12.5px;color:var(--mut);background:var(--card)}
.tag-blizco b{color:var(--txt)}

/* появление при скролле */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

.formerr{background:rgba(255,90,90,.12);border:1px solid rgba(255,120,120,.5);color:#ffc2c2;padding:12px 16px;border-radius:11px;margin-bottom:16px;font-size:14px}

/* cookie-баннер */
.cookie{position:fixed;left:14px;right:14px;bottom:14px;z-index:80;display:none;gap:16px;align-items:center;justify-content:space-between;
  background:rgba(13,20,38,.97);border:1px solid var(--stroke);border-radius:16px;padding:16px 20px;backdrop-filter:blur(10px);
  box-shadow:0 12px 40px rgba(0,0,0,.4);max-width:920px;margin:0 auto;font-size:14px;color:var(--mut)}
.cookie.show{display:flex}
.cookie a{color:var(--acc)}
.cookie .btn{padding:10px 20px;white-space:nowrap}
@media(max-width:600px){.cookie{flex-direction:column;align-items:stretch;text-align:center}.sticky-cta+.cookie,.cookie{bottom:80px}}

/* типографика контента */
.prose{max-width:760px;margin:0 auto}
.prose p{color:var(--mut);margin:14px 0}
.prose h2{margin:34px 0 10px}
.prose h3{margin:24px 0 6px;color:var(--txt)}
.mt0{margin-top:0}
.section-tight{padding:50px 0}