/* LEBEDEV — строгий минималистичный редизайн (монохром) */
:root{
  --ink:#111216; --muted:#6c6f76; --line:#e6e6e6; --bg:#fff; --dark:#111216;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Manrope',-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* заголовки */
h1,h2,h3,h4{font-weight:800;line-height:1.05;letter-spacing:-.01em}
.kicker{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:14px;margin-bottom:22px}
.kicker:before{content:"";width:34px;height:1px;background:var(--ink)}

/* шапка */
.hdr{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:26px;height:70px}
.brand{font-weight:800;font-size:22px;letter-spacing:.34em;padding-left:.34em}
.nav{margin-left:auto;display:flex;gap:30px}
.nav a{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav a:hover{color:var(--ink)}
.hdr-phone{font-weight:700;letter-spacing:.02em;white-space:nowrap}
.burger{display:none;margin-left:auto;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.burger span{width:26px;height:2px;background:var(--ink);display:block}

/* кнопки */
.btn{display:inline-block;border:1.5px solid var(--ink);background:none;color:var(--ink);
  font:inherit;font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 32px;cursor:pointer;transition:.18s}
.btn:hover{background:var(--ink);color:#fff}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:#000}
.btn-light{border-color:#fff;color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}

/* секции */
section{padding:94px 0}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-head h2{font-size:clamp(28px,4vw,46px);text-transform:uppercase}

/* герой */
.hero{padding:120px 0 104px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(44px,8.5vw,104px);text-transform:uppercase;letter-spacing:-.02em}
.hero .lead{font-size:clamp(18px,2vw,22px);color:var(--muted);margin:26px 0 38px;max-width:620px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}

/* преимущества */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.adv{border-top:2px solid var(--ink);padding:22px 22px 0 0}
.adv h3{font-size:19px;text-transform:uppercase;margin-bottom:12px}
.adv p{color:var(--muted);font-size:15px}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:62px;
  padding-top:40px;border-top:1px solid var(--line)}
.trio span{font-size:18px;font-weight:700}

/* тёмная полоса — опыт */
.band{background:var(--dark);color:#fff}
.band .kicker{color:#9a9da4}
.band .kicker:before{background:#fff}
.band .big{font-size:clamp(30px,5vw,60px);font-weight:800;text-transform:uppercase;
  line-height:1.02;max-width:900px;margin-bottom:30px}
.band .big em{font-style:normal;color:#fff;-webkit-text-stroke:1px #fff;color:transparent}
.band p{color:#b9bcc2;max-width:720px;margin-bottom:14px}

/* услуги */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.srv{border-bottom:1px solid var(--line);padding:34px 30px 34px 0;display:flex;gap:26px;align-items:baseline}
.srv:nth-child(odd){padding-left:0}
.srv .n{font-size:14px;color:var(--muted);font-weight:700;min-width:34px}
.srv h3{font-size:clamp(20px,2.4vw,27px);text-transform:uppercase;margin-bottom:8px}
.srv p{color:var(--muted);font-size:15px}

/* каталог — карточки товаров */
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));
  border-top:1px solid var(--line);border-left:1px solid var(--line)}
.product-card{display:flex;flex-direction:column;color:var(--ink);
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.18s}
.product-card:hover{background:#fafafa}
.pc-media{height:118px;display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--line)}
.pc-num{font-size:42px;font-weight:800;line-height:1;-webkit-text-stroke:1.5px var(--ink);color:transparent}
.product-card:hover .pc-num{-webkit-text-stroke-color:#000;color:transparent}
.pc-body{flex:1;padding:20px 22px 12px}
.pc-tag{display:inline-block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px}
.product-card h3{font-size:17px;text-transform:uppercase;line-height:1.16;margin-bottom:8px}
.pc-body p{font-size:14px;color:var(--muted)}
.pc-cta{padding:12px 22px 20px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  font-weight:700;color:var(--muted)}
.product-card:hover .pc-cta{color:var(--ink)}

/* этапы */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.step{padding:0 22px 0 0}
.step .idx{font-size:40px;font-weight:800;color:#fff;-webkit-text-stroke:1.5px var(--ink);
  color:transparent;line-height:1;margin-bottom:18px}
.step h3{font-size:17px;text-transform:uppercase;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px}

/* для селлеров */
.sellers-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line)}
.seller{background:#fff;padding:54px 40px;min-height:170px;display:flex;align-items:center;
  justify-content:center;text-align:center}
.seller h3{font-size:clamp(22px,3vw,34px);text-transform:uppercase;letter-spacing:.02em}
.sellers-note{margin-top:34px;display:flex;gap:16px;align-items:baseline;flex-wrap:wrap}
.sellers-note .soon{font-size:13px;letter-spacing:.2em;text-transform:uppercase;
  border:1.5px solid var(--ink);padding:6px 14px;font-weight:700}
.sellers-note p{color:var(--muted);max-width:560px}

/* цитата */
.quote{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quote p{font-size:clamp(22px,3.4vw,40px);font-weight:800;line-height:1.18;
  text-transform:uppercase;letter-spacing:-.01em;max-width:960px}

/* контакты + форма */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.cinfo p.intro{color:var(--muted);margin-bottom:30px;max-width:420px}
.cinfo dl{display:grid;grid-template-columns:auto 1fr;gap:14px 20px;align-items:baseline}
.cinfo dt{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.cinfo dd{font-size:18px;font-weight:700}
.cinfo dd a:hover{text-decoration:underline}

.form .field{margin-bottom:24px}
.form label{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:9px}
.form input,.form textarea{width:100%;border:0;border-bottom:1.5px solid var(--line);
  background:none;font:inherit;color:var(--ink);padding:10px 0;outline:none}
.form input:focus,.form textarea:focus{border-color:var(--ink)}
.form input.err,.form textarea.err{border-color:#c0392b}
.form textarea{min-height:70px;resize:vertical}
.radios{display:flex;gap:26px}
.radios label{display:flex;align-items:center;gap:9px;letter-spacing:.04em;
  text-transform:none;font-size:15px;color:var(--ink);margin:0;cursor:pointer}
.radios input{width:auto}
.form .btn{margin-top:6px}
.form-success{display:none;border-left:2px solid var(--ink);padding:18px 22px;background:#f6f6f6}
.form-success strong{display:block;font-size:20px;text-transform:uppercase;margin-bottom:6px}
.form-wrap.done form{display:none}
.form-wrap.done .form-success{display:block}

/* подвал */
.ftr{background:var(--dark);color:#b9bcc2;padding:60px 0 34px}
.ftr .top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.ftr .brand{color:#fff}
.ftr a{color:#e6e6e6}
.ftr a:hover{color:#fff}
.ftr .fcont{display:flex;flex-direction:column;gap:6px;text-align:right}
.ftr .copy{margin-top:40px;padding-top:20px;border-top:1px solid #2a2b31;font-size:13px;color:#7e818a}

/* адаптив */
@media(max-width:900px){
  .nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;
    flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:6px 28px 18px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:flex}
  .hdr-phone{display:none}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 20px}
  .trio{grid-template-columns:1fr;gap:16px}
  .services{grid-template-columns:1fr}
  .srv{padding-left:0}
  .contact-grid{grid-template-columns:1fr;gap:44px}
}
@media(max-width:560px){
  section{padding:66px 0}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sellers-grid{grid-template-columns:1fr}
  .ftr .top{flex-direction:column}
  .ftr .fcont{text-align:left}
}