:root{
  --bg:#08080c;
  --bg-alt:#0d0d13;
  --line:#1e1e29;
  --fg:#f2f2f5;
  --fg-dim:#9b9baa;
  --violet:#8b5cf6;
  --violet-dim:#6d3fe0;
  --radius:14px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:400 16px/1.6 Inter,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.muted{color:var(--fg-dim)}
.small{font-size:14px}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(8,8,12,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav__in{display:flex;align-items:center;gap:32px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--fg-dim)}
.nav__links a{transition:color .15s var(--ease)}
.nav__links a:hover{color:var(--fg)}

/* buttons */
.btn{
  display:inline-block;padding:13px 24px;border-radius:10px;border:1px solid var(--violet);
  background:var(--violet);color:#fff;font-weight:500;font-size:15px;cursor:pointer;
  transition:background .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.btn:hover{background:var(--violet-dim);border-color:var(--violet-dim)}
.btn:active{transform:translateY(1px)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn--ghost:hover{background:#14141c;border-color:#2c2c3a}

/* hero */
.hero{padding:96px 0 88px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-220px;left:-120px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(139,92,246,.20),transparent 68%);pointer-events:none;
}
.hero__in{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative}
.eyebrow{color:var(--violet);font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:clamp(34px,5vw,58px)}
.lead{margin-top:22px;max-width:52ch;color:var(--fg-dim);font-size:17px}
.hero__cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero__note{margin-top:16px;font-size:14px;color:#6f6f80}

/* phone mock */
.hero__art{display:flex;justify-content:center}
.phone{width:262px;height:520px;border-radius:38px;padding:11px;background:#15151e;border:1px solid #262633;box-shadow:0 30px 70px -30px rgba(0,0,0,.9)}
.phone__screen{height:100%;border-radius:28px;background:linear-gradient(180deg,#101018,#0a0a10);padding:22px 16px 14px;display:flex;flex-direction:column;gap:12px}
.ph-top{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.ph-dot{width:26px;height:26px;border-radius:50%;background:#26263a;flex:none}
.ph-bar{height:8px;border-radius:4px;background:#1e1e2c;flex:1}
.ph-card{border:1px solid #1d1d28;border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:8px}
.ph-card span{height:7px;border-radius:4px;background:#1c1c28}
.ph-card span:first-child{width:62%;background:#2a2a3c}
.ph-card--accent{border-color:rgba(139,92,246,.45);background:rgba(139,92,246,.10)}
.ph-card--accent span:first-child{background:var(--violet);width:48%}
.ph-card--accent span{background:rgba(139,92,246,.35)}
.ph-row{display:flex;gap:9px}
.ph-row i{flex:1;height:52px;border-radius:10px;background:#14141e;border:1px solid #1d1d28}
.ph-tabs{margin-top:auto;display:flex;gap:10px;padding-top:12px;border-top:1px solid #17171f}
.ph-tabs i{flex:1;height:5px;border-radius:3px;background:#1c1c28}
.ph-tabs i.on{background:var(--violet)}

/* sections */
.section{padding:88px 0;border-bottom:1px solid var(--line)}
.section--alt{background:var(--bg-alt)}
.h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:12px}
.section__lead{color:var(--fg-dim);max-width:60ch;margin-bottom:34px}
.section .h2+.grid,.section .h2+.steps{margin-top:34px}

.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}

.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#0b0b11;transition:border-color .18s var(--ease),transform .18s var(--ease)}
.card:hover{border-color:#32324a;transform:translateY(-2px)}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--fg-dim);font-size:15px}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.steps li{display:flex;gap:24px;padding:26px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps__n{color:var(--violet);font-size:14px;font-weight:600;padding-top:4px;flex:none;width:34px}
.steps h3{font-size:19px;margin-bottom:8px}
.steps h3 em{font-style:normal;color:var(--fg-dim);font-weight:400;font-size:15px}
.steps p{color:var(--fg-dim);max-width:70ch;font-size:15px}

/* cases */
.cases{margin-bottom:22px}
.case{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#0b0b11;transition:border-color .18s var(--ease)}
.case:hover{border-color:#32324a}
.case__tag{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--violet);margin-bottom:14px}
.case h3{font-size:18px;margin-bottom:10px}
.case p:last-child{color:var(--fg-dim);font-size:15px}

/* price */
.price{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#0b0b11}
.price--mid{border-color:rgba(139,92,246,.45);background:rgba(139,92,246,.06)}
.price h3{font-size:16px;color:var(--fg-dim);font-weight:500;margin-bottom:10px}
.price__num{font-size:28px;font-weight:600;letter-spacing:-.02em;margin-bottom:12px}
.price p:last-child{color:var(--fg-dim);font-size:15px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact__text p{color:var(--fg-dim);margin-top:14px;max-width:46ch}
.contact__list{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-direction:column;gap:10px;font-size:15px}
.contact__list a{border-bottom:1px solid #2e2e42;padding-bottom:2px;transition:border-color .15s var(--ease)}
.contact__list a:hover{border-color:var(--violet)}
.contact__list li:last-child{color:var(--fg-dim)}

.form{display:flex;flex-direction:column;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#0b0b11}
.form label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--fg-dim)}
.form input,.form textarea{
  font:inherit;font-size:15px;color:var(--fg);background:#101017;
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;resize:vertical;
  transition:border-color .15s var(--ease);
}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--violet)}
.form input.err,.form textarea.err{border-color:#e05252}
.form__note{font-size:12.5px;color:#6f6f80}
.form__ok{font-size:14px;color:#7ee0a8}

/* footer */
.footer{padding:28px 0}
.footer__in{display:flex;justify-content:space-between;gap:16px;font-size:14px;color:var(--fg-dim);flex-wrap:wrap}

/* reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.rv.in{opacity:1;transform:none}

@media (max-width:900px){
  .hero__in{grid-template-columns:1fr;gap:44px}
  .hero__art{order:-1}
  .grid--3{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr;gap:34px}
  .nav__links{display:none}
}
@media (max-width:620px){
  .hero{padding:64px 0 60px}
  .section{padding:60px 0}
  .grid--3{grid-template-columns:1fr}
  .steps li{gap:14px}
  .phone{width:220px;height:440px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}