/* IT-PHENIX — тёмный premium-tech дизайн */
:root{
  --bg:#08080d; --bg-2:#0c0c14; --bg-3:#10101a;
  --surface:rgba(255,255,255,.035); --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.08); --border-2:rgba(255,255,255,.14);
  --text:#f3f3f8; --muted:#a6a6b6; --muted-2:#7e7e8e;
  --accent:#ff5a3c; --accent-2:#ff9a3d; --accent-soft:#ff8a5c;
  --grad:linear-gradient(120deg,#ff5a3c,#ff9a3d);
  --grad-soft:linear-gradient(120deg,rgba(255,90,60,.16),rgba(122,43,255,.13));
  --radius:14px; --radius-lg:20px; --maxw:1180px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.7);
  --glow:0 10px 40px -10px rgba(255,90,60,.5);
  --font:'Inter','Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;
  font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(255,90,60,.3)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}

/* background ambience */
.bg-fx{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg-fx span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.4}
.bg-fx span:nth-child(1){width:520px;height:520px;background:#ff4d2e;top:-160px;right:-120px}
.bg-fx span:nth-child(2){width:480px;height:480px;background:#7a2bff;top:600px;left:-180px;opacity:.22}
.bg-fx span:nth-child(3){width:560px;height:560px;background:#ff7a1a;bottom:-200px;right:-160px;opacity:.18}

/* header */
header.nav{position:sticky;top:0;z-index:50;transition:background .3s,border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent}
header.nav.scrolled{background:rgba(8,8,13,.72);backdrop-filter:blur(16px);border-bottom-color:var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:18px;letter-spacing:.01em}
.brand img{width:34px;height:34px}
.brand b{font-weight:600}.brand .dot{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14.5px;color:var(--muted);transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:1px solid var(--border-2);border-radius:10px;width:42px;height:42px;
  color:var(--text);font-size:22px;cursor:pointer;align-items:center;justify-content:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:500;padding:12px 22px;
  border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#1a0a05;box-shadow:var(--glow)}
.btn-primary:hover{box-shadow:0 14px 44px -10px rgba(255,90,60,.7)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border-2)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px}

/* sections */
section{padding:88px 0}
.sec-tag{font-size:13px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-soft)}
h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.1}
h1{font-size:clamp(34px,5.4vw,58px)}
h2{font-size:clamp(28px,3.6vw,40px)}
h3{font-size:20px;letter-spacing:-.01em}
.sec-head{max-width:680px}
.sec-head.center{margin:0 auto;text-align:center}
.sec-head h2{margin:10px 0 14px}
.sec-head p{color:var(--muted);font-size:17px}

/* chips / badges */
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#d6d6e0;background:var(--surface);
  border:1px solid var(--border-2);border-radius:999px;padding:7px 15px}
.chip i{color:var(--accent-soft)}
.partner-badge{display:inline-flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--border-2);
  border-radius:12px;padding:11px 16px;font-size:13.5px;color:#d6d6e0}
.partner-badge .pb-ico{width:30px;height:30px;border-radius:8px;background:var(--grad-soft);display:flex;
  align-items:center;justify-content:center;color:var(--accent-soft);font-size:17px;border:1px solid rgba(255,120,70,.25)}
.partner-badge b{color:#fff;font-weight:500}

/* cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;
  transition:transform .25s,border-color .25s,background .25s}
.card:hover{transform:translateY(-4px);border-color:var(--border-2);background:var(--surface-2)}
.card .ico{width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:25px;background:var(--grad-soft);color:var(--accent-soft);border:1px solid rgba(255,120,70,.22);margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* hero */
.hero{position:relative;padding:70px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero h1{margin:18px 0 20px}
.hero p.lead{font-size:18px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:24px;margin-top:34px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.hero-trust i{color:var(--accent-soft);margin-right:5px}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--radius-lg);border:1px solid var(--border-2);box-shadow:var(--shadow)}
.hero-visual .float-card{position:absolute;background:rgba(12,12,20,.85);backdrop-filter:blur(10px);
  border:1px solid var(--border-2);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow)}
.float-card .fc-num{font-size:22px;font-weight:700}
.float-card .fc-lbl{font-size:12px;color:var(--muted)}
.fc-1{bottom:-22px;left:-26px}
.fc-2{top:-22px;right:-22px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{text-align:center;padding:24px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.stat .n{font-size:34px;font-weight:700}
.stat .l{font-size:14px;color:var(--muted);margin-top:4px}

/* pricing */
.price-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}
.price-card.featured{border:2px solid var(--accent);background:rgba(255,90,60,.05)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#1a0a05;
  font-size:12px;font-weight:600;padding:4px 14px;border-radius:999px}
.price-card .pname{font-size:14px;color:var(--muted)}
.price-card .pprice{font-size:36px;font-weight:700;margin:8px 0 2px}
.price-card .pprice span{font-size:14px;color:var(--muted);font-weight:400}
.price-card .puse{font-size:14px;color:var(--muted);margin-bottom:18px}
.price-card ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.price-card li{font-size:14.5px;display:flex;align-items:center;gap:9px}
.price-card li i{color:var(--accent-soft);font-size:17px}
.price-card .btn{width:100%;justify-content:center}

/* tiers strip (5 тарифов) */
.tiers{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:14px 2px 18px;
  scrollbar-width:thin;scrollbar-color:var(--border-2) transparent}
.tiers::-webkit-scrollbar{height:7px}
.tiers::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:10px}
.tier{position:relative;flex:1 1 0;min-width:210px;background:var(--surface);border:1px solid var(--border);
  border-radius:16px;padding:24px 20px;display:flex;flex-direction:column;scroll-snap-align:start;
  transition:transform .25s,border-color .25s,background .25s}
.tier:hover{transform:translateY(-5px);border-color:var(--border-2);background:var(--surface-2)}
.tier.featured{border:2px solid var(--accent);background:rgba(255,90,60,.07);box-shadow:0 20px 50px -24px rgba(255,90,60,.5)}
.tier-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#1a0a05;
  font-size:11px;font-weight:600;padding:4px 13px;border-radius:999px;white-space:nowrap}
.tier-name{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.tier-price{font-size:32px;font-weight:700;margin:8px 0 2px;line-height:1}
.tier-price span{font-size:13px;color:var(--muted);font-weight:400}
.tier-use{font-size:13px;color:var(--muted);min-height:36px;margin:8px 0 16px;line-height:1.4}
.tier-specs{display:flex;flex-direction:column;gap:9px;padding:16px 0;border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);margin-bottom:14px}
.tier-specs div{display:flex;align-items:center;gap:9px;font-size:14px}
.tier-specs i{color:var(--accent-soft);font-size:17px;width:18px;text-align:center}
.tier-free{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:7px;margin-bottom:18px}
.tier-free i{color:var(--accent-soft)}
.tier-cta{margin-top:auto}
.tier-cta .btn{width:100%;justify-content:center;padding:11px}

/* feature row (image + text) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:var(--radius-lg);border:1px solid var(--border-2);box-shadow:var(--shadow)}
.split ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:12px}
.split li{display:flex;gap:12px;font-size:15.5px}
.split li i{color:var(--accent-soft);font-size:21px;flex-shrink:0}
.split li b{font-weight:500}.split li span{color:var(--muted)}

/* CTA band */
.cta-band{background:var(--grad-soft);border:1px solid rgba(255,120,70,.2);border-radius:var(--radius-lg);
  padding:54px 40px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:#d0d0db;max-width:480px;margin:0 auto 26px;font-size:17px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.step .sn{width:36px;height:36px;border-radius:10px;background:var(--grad);color:#1a0a05;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:6px}.step p{font-size:14px;color:var(--muted)}

/* form */
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:7px}
.field input,.field textarea{width:100%;background:var(--bg-3);border:1px solid var(--border-2);border-radius:11px;
  color:var(--text);font-family:inherit;font-size:15px;padding:12px 14px;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:13px;color:var(--muted-2);margin-top:6px}
.form-msg{margin-top:14px;font-size:14.5px;padding:12px 14px;border-radius:11px;display:none}
.form-msg.ok{display:block;background:rgba(60,200,120,.12);border:1px solid rgba(60,200,120,.3);color:#7ee0a8}
.form-msg.err{display:block;background:rgba(255,90,60,.12);border:1px solid rgba(255,90,60,.3);color:#ff9a85}

/* contact list */
.contact-item{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.contact-item .ci-ico{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:flex;
  align-items:center;justify-content:center;color:var(--accent-soft);font-size:21px;border:1px solid rgba(255,120,70,.2)}
.contact-item .ci-l{font-size:13px;color:var(--muted)}.contact-item .ci-v{font-size:16px;font-weight:500}

/* footer */
footer{border-top:1px solid var(--border);padding:54px 0 30px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:280px}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);margin-bottom:14px;font-weight:500}
.foot-col a,.foot-col p{display:block;font-size:14.5px;color:var(--muted);margin-bottom:9px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:22px;
  border-top:1px solid var(--border);font-size:13px;color:var(--muted-2)}

/* page hero (inner pages) */
.page-hero{padding:64px 0 30px;text-align:center}
.page-hero h1{font-size:clamp(30px,4.6vw,48px);margin:14px auto 16px;max-width:760px}
.page-hero p{color:var(--muted);font-size:18px;max-width:600px;margin:0 auto}
.breadcrumb{font-size:13px;color:var(--muted-2)}
.breadcrumb a:hover{color:var(--text)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:960px){
  .hero-grid,.split{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:-1}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats,.steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:60px 0}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(10,10,16,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:8px 24px 18px}
  .nav-links.open a{padding:13px 0;border-bottom:1px solid var(--border);width:100%}
  .nav-links.open a.active::after{display:none}
  .burger{display:flex}
  .nav-cta .btn-ghost{display:none}
  .grid-2,.grid-3,.grid-4,.price-grid{grid-template-columns:1fr!important}
  .stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 22px}
  .hero-visual .float-card{display:none}
  .tier{min-width:80%}
}