/* Личный сайт: Владимир Герасимов. Светлая строгая подача, без зависимостей. */
:root{
  --ink:#101828; --ink-2:#33405a; --muted:#5b6880; --line:#dfe4ec;
  --navy:#14213d; --blue:#1f4e79; --bg:#ffffff; --bg-2:#f6f8fb;
  --pad:clamp(16px,4vw,40px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 clamp(16px,1.05vw,17px)/1.6 "Golos Text","Helvetica Neue",Arial,sans-serif;
  font-feature-settings:"kern" 1;text-rendering:optimizeLegibility}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 var(--pad)}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted)}

/* header */
.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.2) blur(6px);z-index:5}
.top__in{display:flex;align-items:center;gap:24px;min-height:64px;flex-wrap:wrap}
.brand{font-weight:600;letter-spacing:-.01em;text-decoration:none}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:12px;letter-spacing:.02em;
  text-transform:none}
.nav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--ink-2);font-size:15px;padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a:focus-visible{border-bottom-color:var(--blue);color:var(--navy)}
.btn{display:inline-block;text-decoration:none;font-weight:500;padding:12px 20px;border-radius:2px;
  border:1px solid var(--navy);white-space:nowrap;font-size:16px}
.btn--solid{background:var(--navy);color:#fff}
.btn--solid:hover{background:#0b1628}
.btn--ghost{background:transparent;color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff}
.btn--sm{padding:9px 14px;font-size:15px}

/* hero */
.hero{padding:clamp(40px,5.5vw,76px) 0 clamp(20px,3vw,32px)}
.hero h1{margin:18px 0 0;font-size:clamp(30px,4.6vw,58px);line-height:1.06;
  letter-spacing:-.025em;color:var(--navy);font-weight:600;max-width:19ch}
.hero p.lead{margin:22px 0 0;max-width:62ch;color:var(--ink-2);font-size:clamp(16px,1.35vw,19px)}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 0}

/* numbers */
.nums{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin:clamp(28px,3.5vw,44px) 0 0;display:grid;grid-template-columns:repeat(4,1fr)}
.nums div{padding:22px 0 20px;border-left:1px solid var(--line);padding-left:18px}
.nums div:first-child{border-left:0;padding-left:0}
.nums b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:600;color:var(--navy);letter-spacing:-.02em}
.nums span{display:block;color:var(--muted);font-size:13px;margin-top:4px}

section{padding:clamp(36px,4.5vw,72px) 0}
h2{margin:12px 0 0;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.02em;color:var(--navy);font-weight:600}
.rule{height:1px;background:var(--line);margin:18px 0 0}

/* cases */
.case{display:grid;grid-template-columns:minmax(0,290px) minmax(0,1fr);
  gap:clamp(16px,3vw,48px);padding:28px 0;border-top:1px solid var(--line)}
.case:first-of-type{border-top:0}
.case h3{margin:0;font-size:17px;line-height:1.35;color:var(--navy);font-weight:600}
.case .kpi{display:block;margin-top:8px;font-size:12.5px;line-height:1.45;color:var(--blue);
  font-weight:500;letter-spacing:.01em}
.case p{margin:0;color:var(--ink-2)}
.case dl{margin:14px 0 0;display:grid;gap:8px}
.case dt{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)}
.case dd{margin:0;color:var(--ink-2)}

/* services */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:28px}
.card{background:#fff;padding:clamp(20px,2.4vw,30px);display:flex;flex-direction:column}
.card h3{margin:0 0 10px;font-size:18px;color:var(--navy);font-weight:600}
.card p{margin:0;color:var(--ink-2);font-size:15.5px}
.card ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:7px}
.card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted)}
.card li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:1px;background:var(--blue)}
.card .foot{margin-top:auto;padding-top:16px;font-size:13.5px;color:var(--muted)}

/* steps + expectations */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.4vw,32px);counter-reset:s;margin-top:30px}
.step{position:relative;padding-top:18px;border-top:2px solid var(--navy)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:"JetBrains Mono",monospace;
  font-size:12px;color:var(--blue)}
.step h3{margin:6px 0 6px;font-size:16px;color:var(--navy)}
.step p{margin:0;font-size:14.5px;color:var(--muted)}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,60px);margin-top:32px}
.twocol h3{margin:0 0 12px;font-size:16px;color:var(--navy)}
.twocol ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.twocol li{position:relative;padding-left:20px;color:var(--ink-2);font-size:15px}
.twocol li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:1px;background:var(--blue)}

/* faq */
.faq{border-top:1px solid var(--line);margin-top:26px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:18px 34px 18px 0;position:relative;font-weight:500;
  color:var(--navy);list-style:none;font-size:16.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;color:var(--blue);
  font-family:"JetBrains Mono",monospace;font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 0 20px;color:var(--ink-2);max-width:80ch;font-size:15.5px}

/* contacts */
.contact{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.contact__in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(20px,4vw,60px);align-items:start}
.contact h2{margin-top:10px}
.contact p{color:var(--ink-2);max-width:44ch}
.links{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.links a{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;
  padding:15px 18px;text-decoration:none}
.links a:hover{background:var(--navy);color:#fff}
.links a:hover span{color:#cfd8e6}
.links span{color:var(--muted);font-size:12px;font-family:"JetBrains Mono",monospace;
  letter-spacing:.08em;text-transform:uppercase}

footer{padding:26px 0 40px;color:var(--muted);font-size:13px}
footer a{color:var(--muted)}
footer p{margin:0 0 6px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:20;background:#fff;padding:10px 14px;border:1px solid var(--navy)}

/* privacy */
.prose{padding:clamp(36px,4.5vw,64px) 0 clamp(28px,4vw,48px);max-width:76ch}
.prose h1{font-size:clamp(26px,3vw,36px);line-height:1.14;letter-spacing:-.02em;color:var(--navy);margin:0 0 10px}
.prose h2{font-size:20px;margin:32px 0 10px}
.prose p,.prose li{color:var(--ink-2)}
.prose ul{padding-left:20px}
.prose .note{color:var(--muted);font-size:14px}

@media (max-width:900px){
  .nums{grid-template-columns:repeat(2,1fr)}
  .nums div:nth-child(3){border-left:0;padding-left:0}
  .nums div:nth-child(3),.nums div:nth-child(4){border-top:1px solid var(--line)}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .case{grid-template-columns:1fr;gap:12px}
  .contact__in{grid-template-columns:1fr}
  .twocol{grid-template-columns:1fr;gap:26px}
}
@media (max-width:560px){
  .nav{order:3;width:100%;gap:12px;padding:8px 0 10px;border-top:1px solid var(--line);
    font-size:14px}
  .nav a[href="#faq"]{display:none}
  .steps{grid-template-columns:1fr}
  .links a{flex-direction:column;align-items:flex-start;gap:4px}
  .hero h1{max-width:none}
  .hero .actions .btn{flex:1 1 100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;transition:none !important}
}