/* Общие стили сайта ovsyannikovonline.ru. Стиль: брутальный редакционный (референс dayos.com). */
:root{
  --black:#000; --graphite:#141414; --graphite-2:#1d1d1d; --line-d:#2a2a2a;
  --canvas:#e5e5e5; --mist:#f3f3f3; --white:#fff; --slate:#444; --smoke:#979797; --ash:#c6c6c6;
  --volt:#fff100; --mint:#d1ffca; --green:#5cff7a; --violet:#8f7bff; --coral:#ff7a59; --sky:#5ab8ff;
  --cond:Oswald,"Arial Narrow",sans-serif; --sans:Inter,system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--black);color:var(--white);font:500 16px/1.4 var(--sans);letter-spacing:-.011em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.wrap{max-width:1264px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-size:12px;font-weight:400;letter-spacing:.06em;text-transform:uppercase;line-height:1.3}
.d{font-family:var(--cond);font-weight:700;text-transform:uppercase;letter-spacing:-.02em;line-height:.9}
.muted{color:var(--smoke)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:80px;display:flex;align-items:center;transition:background .4s,color .4s}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:none;padding:0 40px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;letter-spacing:-.03em;white-space:nowrap}
.logo i{width:22px;height:22px;border:3px solid currentColor;border-radius:50%;position:relative;flex:none}
.logo i::after{content:"";position:absolute;inset:4px;background:var(--volt);border-radius:50%}
.pillnav{display:flex;gap:2px;background:var(--graphite-2);border-radius:48px;padding:6px}
.pillnav a{padding:10px 16px;border-radius:48px;font-size:14px;color:#bdbdbd;transition:background .25s,color .25s;white-space:nowrap}
.pillnav a:hover,.pillnav a.on{background:#333;color:#fff}
.nav-cta{background:var(--volt);color:#000;padding:12px 20px;border-radius:8px;font-weight:600;font-size:15px;white-space:nowrap;transition:transform .3s var(--ease)}
.nav-cta:hover{transform:translateY(-2px)}
.nav.light{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);color:#000}
.nav.light .pillnav{background:var(--mist)}
.nav.light .pillnav a{color:var(--slate)}
.nav.light .pillnav a:hover,.nav.light .pillnav a.on{background:#fff;color:#000}
.nav.light .nav-cta{background:#000;color:#fff}
.nav.dark-solid{background:rgba(0,0,0,.88);backdrop-filter:blur(12px)}
.burger{display:none;width:44px;height:44px;border-radius:50%;background:var(--graphite-2);position:relative}
.burger::before,.burger::after{content:"";position:absolute;left:13px;right:13px;height:2px;background:currentColor;transition:transform .3s}
.burger::before{top:17px}.burger::after{top:25px}
.nav.light .burger{background:var(--mist)}
.mnav{position:fixed;inset:80px 12px auto 12px;z-index:49;background:#111;border-radius:24px;padding:12px;display:none;flex-direction:column}
.mnav a{padding:14px 16px;border-radius:14px;font-size:17px;color:#ddd}
.mnav a:hover{background:#222}
.mnav.open{display:flex}
@media (max-width:1100px){.pillnav{display:none}.burger{display:block}.nav .wrap{padding:0 20px}}
@media (max-width:520px){.nav-cta{display:none}}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(36px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}
.lines .ln{display:block;overflow:hidden;padding-bottom:.04em}
.lines .ln>span{display:block;transform:translateY(105%);transition:transform 1.1s var(--ease)}
.lines.in .ln>span{transform:none}
.lines .ln:nth-child(2)>span{transition-delay:.08s}.lines .ln:nth-child(3)>span{transition-delay:.16s}.lines .ln:nth-child(4)>span{transition-delay:.24s}

/* ---------- buttons ---------- */
.btn-y{display:inline-flex;align-items:center;gap:10px;background:var(--volt);color:#000;padding:16px 24px;border-radius:48px;font-weight:600;font-size:16px;transition:transform .35s var(--ease)}
.btn-y:hover{transform:translateY(-2px)}
.btn-k{display:inline-flex;align-items:center;gap:10px;background:#000;color:#fff;padding:14px 20px;border-radius:8px;font-weight:600;font-size:15px;transition:transform .35s var(--ease)}
.btn-k:hover{transform:translateY(-2px)}
.btn-w{display:inline-flex;align-items:center;gap:10px;background:#fff;color:#000;padding:14px 20px;border-radius:8px;font-weight:600;font-size:15px}
.ar{transition:transform .35s var(--ease)}
a:hover .ar{transform:translateX(4px)}
.tlink{display:inline-flex;gap:8px;font-weight:500;font-size:17px}

/* ---------- page head (inner pages) ---------- */
.phead{padding:160px 0 72px}
.phead .eyebrow{color:#cfcfcf;margin-bottom:24px}
.phead h1{font-size:clamp(52px,7vw,112px);max-width:1100px}
.phead h1 .g{color:#9d9d9d}
.phead .lead{margin-top:28px;font-size:clamp(17px,1.5vw,21px);line-height:1.35;color:#d6d6d6;max-width:640px;letter-spacing:-.02em}
.phead .cta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:32px}

/* ---------- sheets ---------- */
.sheet{background:var(--white);color:#000;border-radius:64px 64px 0 0;position:relative;z-index:2;padding:110px 0 100px}
.sheet-dark{background:#000;color:#fff;border-radius:64px 64px 0 0;margin-top:-64px;position:relative;z-index:3;padding:140px 0 120px}
.sheet+.sheet,.sheet-dark+.sheet{margin-top:-64px}
.sheet.z4{z-index:4}.sheet.z5{z-index:5}
.sec-head{display:grid;gap:18px;margin-bottom:48px}
.sec-head h2{font-family:var(--sans);font-size:clamp(32px,3.4vw,46px);line-height:1.08;letter-spacing:-.035em;font-weight:500;max-width:720px}
.sec-head p{font-size:18px;color:var(--smoke);max-width:560px;line-height:1.4}
.big{font-size:clamp(48px,6.4vw,96px)}
@media (max-width:820px){.sheet,.sheet-dark{border-radius:32px 32px 0 0;padding:72px 0 64px}.sheet+.sheet,.sheet-dark+.sheet,.sheet-dark{margin-top:-32px}}

/* ---------- solution cards ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sol{background:var(--canvas);border-radius:24px;padding:24px;display:flex;flex-direction:column;gap:14px;min-height:300px;transition:transform .4s var(--ease),background .3s;color:#000;text-align:left}
.sol:hover{transform:translateY(-4px);background:#dcdcdc}
.sol .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.tag{display:inline-block;background:var(--mint);color:#000;padding:5px 10px;border-radius:64px}
.tag.y{background:var(--volt)}
.sol .num{color:#777}
.sol h3{font-size:22px;font-weight:600;letter-spacing:-.03em;line-height:1.12}
.sol p{color:#444;font-size:15px;line-height:1.38}
.sol .metric{margin-top:auto;display:flex;align-items:baseline;gap:10px;border-top:1px solid #cfcfcf;padding-top:14px}
.sol .metric b{font-family:var(--cond);font-size:30px;line-height:1;letter-spacing:-.01em;text-transform:uppercase}
.sol .metric span{font-size:13px;color:#555}
.sol .more{font-size:14px;font-weight:600}
@media (max-width:980px){.sol-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.sol-grid{grid-template-columns:1fr}.sol{min-height:0}}

/* ---------- entries (three doors) ---------- */
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.door{border-radius:32px;padding:32px;display:flex;flex-direction:column;gap:14px;min-height:340px;background:var(--canvas);color:#000;transition:transform .4s var(--ease)}
.door:hover{transform:translateY(-4px)}
.door.k{background:#000;color:#fff}
.door.y{background:var(--volt)}
.door h3{font-size:clamp(34px,3.2vw,46px)}
.door p{line-height:1.4;color:inherit;opacity:.8}
.door .go{margin-top:auto;font-weight:600;display:flex;gap:8px}
@media (max-width:900px){.doors{grid-template-columns:1fr}.door{min-height:0}}

/* ---------- contact ---------- */
.contact-block h2{font-size:clamp(48px,6.4vw,96px);max-width:1000px}
.contact-block p{font-size:clamp(18px,1.6vw,22px);color:var(--smoke);max-width:620px;margin-top:28px;line-height:1.35;letter-spacing:-.02em}
.contact-row{margin-top:48px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.mail{font-size:clamp(18px,2vw,24px);font-weight:600;background:var(--volt);color:#000;padding:8px 14px;border-radius:8px;letter-spacing:-.03em}
.marquee{overflow:hidden;border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5;margin-top:96px;padding:22px 0;white-space:nowrap}
.marquee div{display:inline-flex;gap:56px;animation:mq 40s linear infinite;padding-right:56px}
.marquee span{font-weight:600;font-size:22px;color:#222;letter-spacing:-.03em}
@keyframes mq{to{transform:translateX(-100%)}}

footer{background:#000;color:#999;padding:56px 0;position:relative;z-index:6}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;font-size:14px}
footer .logo{color:#fff}
footer nav{display:flex;flex-wrap:wrap;gap:20px}
footer nav a:hover{color:#fff}

@media (max-width:600px){.wrap{padding:0 16px}.phead{padding:120px 0 56px}.door{padding:24px;border-radius:24px}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}.lines .ln>span{transform:none}
}
@media print{
  .nav,.mnav,.burger,.marquee{display:none}
  body{background:#fff;color:#000}
  .rv{opacity:1;transform:none}.lines .ln>span{transform:none}
}