/* ИП Бородин Е. М. — снабжение строительных объектов
   Палитра: бумага + графит + глубокий зелёный. Без фреймворков, без внешних зависимостей. */

:root{
  --paper:#FAF9F6;
  --card:#FFFFFF;
  --ink:#15181A;
  --muted:#6C7176;
  --line:#E4DFD5;
  --line-soft:rgba(21,24,26,.12);
  --accent:#0F6B4F;
  --accent-h:#0A5740;
  --accent-lt:#57A98A;
  --sand:#F0EBE0;
  --dark:#121A17;
  --dark-2:#0B100E;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */

.hdr{
  position:sticky;top:0;z-index:20;
  background:rgba(250,249,246,.94);
  border-bottom:1px solid var(--line);
}
.hdr-in{
  display:flex;align-items:center;gap:26px;
  height:74px;
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.mark{display:flex}
.brand-t{display:flex;flex-direction:column;line-height:1.15}
.brand-t b{font-size:17px;letter-spacing:.005em;font-weight:700}
.brand-t i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.02em}

.nav{display:flex;gap:24px;margin-left:auto}
.nav a{
  text-decoration:none;font-size:14px;color:var(--ink);
  padding-bottom:2px;border-bottom:1px solid transparent;
}
.nav a:hover{border-bottom-color:var(--accent);color:var(--accent)}

.hdr-c{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2;flex-shrink:0}
.tel{font-size:16px;font-weight:600;text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.tel:hover{color:var(--accent)}
.worktime{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* ---------- hero ---------- */

.hero{
  display:grid;grid-template-columns:1.02fr .98fr;
  border-bottom:1px solid var(--line);
}
.hero-copy{display:flex;align-items:center;background:var(--paper)}
.hero-in{
  width:100%;max-width:1136px;margin:0 auto;
  padding:78px 40px 78px max(22px,calc((100vw - 1136px) / 2));
}
.hero-media{position:relative;min-height:520px;background:var(--sand);overflow:hidden}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:52% 42%}
.hero h1{
  font-size:clamp(29px,3.5vw,46px);line-height:1.06;letter-spacing:-.024em;font-weight:700;
  margin-bottom:20px;
}
.lead{font-size:clamp(15px,1.2vw,16.5px);line-height:1.62;color:#4E5457}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 22px;border:1px solid transparent;border-radius:2px;
  font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-h)}
.btn-o{border-color:rgba(21,24,26,.35);color:var(--ink)}
.btn-o:hover{border-color:var(--ink);background:rgba(21,24,26,.05)}

/* ---------- facts strip ---------- */

.facts{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-top:0;
}
.facts li{padding:20px 22px;border-left:1px solid var(--line)}
.facts li:first-child{border-left:0}
.facts b{display:block;font-size:15px;font-weight:650;letter-spacing:-.01em}
.facts span{display:block;margin-top:3px;font-size:12.5px;color:var(--muted)}

/* ---------- sections ---------- */

.section{padding:0}
.section-sand{background:var(--sand);padding:66px 0}
.section-dark{background:var(--dark);color:#EDF1EE;padding:66px 0 74px}
.section-dark .sec-head{border-top-color:rgba(255,255,255,.35)}
.section-dark h2{color:#fff}

.sec-head{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 18px;
  border-top:1px solid var(--ink);
  padding-top:16px;margin-top:78px;margin-bottom:34px;
}
.section-sand .sec-head,.section-dark .sec-head{margin-top:0}
.sec-num{
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--accent);
}
.sec-head h2{font-size:clamp(23px,2.6vw,32px);line-height:1.15;letter-spacing:-.018em;font-weight:700}
.sec-note{margin-left:auto;max-width:390px;font-size:13.5px;line-height:1.5;color:var(--muted)}

/* ---------- columns of services ---------- */

.cols4{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.col{border-top:1px solid var(--line-soft);padding-top:16px}
.col h3{font-size:15px;font-weight:650;margin-bottom:8px;letter-spacing:-.005em}
.col p{font-size:14px;line-height:1.6;color:var(--muted)}

/* ---------- catalogue ---------- */

.cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden;
}
.card{background:var(--card);display:flex;flex-direction:column;transition:background .15s ease}
.card figure{aspect-ratio:4/3;overflow:hidden;background:var(--sand);margin:0}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover img{transform:scale(1.035)}
.card-body{padding:17px 19px 18px;display:flex;flex-direction:column;gap:7px;flex:1}
.tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);
}
.card h3{font-size:15.5px;line-height:1.32;font-weight:650;letter-spacing:-.005em}
.spec{font-size:13px;line-height:1.5;color:var(--muted)}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:11px;border-top:1px solid var(--line);
}
.price{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink)}
.ask{font-size:12.5px;color:var(--accent);text-decoration:none;border-bottom:1px solid currentColor}
.ask:hover{color:var(--accent-h)}

.cat-note{
  margin-top:26px;max-width:760px;font-size:13.5px;line-height:1.6;color:var(--muted);
  border-left:2px solid var(--accent);padding-left:16px;
}

/* ---------- two-column blocks ---------- */

.split{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:start}

.steps{counter-reset:st;margin-top:-6px}
.steps li{
  counter-increment:st;position:relative;
  padding:18px 0 18px 48px;border-top:1px solid rgba(21,24,26,.13);
}
.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:19px;
  font-family:var(--mono);font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.1em;
}
.steps h3{font-size:15px;font-weight:650;margin-bottom:5px}
.steps p{font-size:14px;line-height:1.6;color:#4E5457}
.steps a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(15,107,79,.35)}
.steps a:hover{border-bottom-color:var(--accent)}

.pay{background:var(--card);border:1px solid var(--line);border-radius:3px;padding:26px 26px 22px}
.pay h3{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.pay h3 + ul{margin-bottom:22px}
.pay ul li{font-size:14px;line-height:1.45;padding:7px 0 7px 16px;position:relative;border-top:1px solid var(--line)}
.pay ul li::before{content:"";position:absolute;left:0;top:16px;width:6px;height:1px;background:var(--accent)}
.pay-note{font-size:12.5px;line-height:1.55;color:var(--muted);padding-top:6px;border-top:1px solid var(--line)}

/* ---------- about ---------- */

.about-lead{font-size:17px;line-height:1.55;font-weight:550;letter-spacing:-.01em;margin-bottom:16px}
.split p{font-size:14.5px;line-height:1.65;color:#4E5457}
.split p + p{margin-top:12px}

.req{border-top:1px solid var(--ink);padding-top:6px;margin-top:2px}
.req > div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--line-soft)}
.req dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);padding-top:2px;
}
.req dd{font-size:14px;line-height:1.4}

/* ---------- contacts ---------- */

.contacts{margin-top:-4px}
.contacts li{
  display:grid;grid-template-columns:186px 1fr;gap:10px;align-items:baseline;
  padding:13px 0;border-top:1px solid rgba(255,255,255,.14);
}
.contacts span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:rgba(255,255,255,.5);
}
.contacts a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.28)}
.contacts a:hover{border-bottom-color:var(--accent-lt);color:var(--accent-lt)}
.contacts li{color:rgba(255,255,255,.86);font-size:15px}
.contacts-note{
  margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;line-height:1.6;color:rgba(255,255,255,.55);max-width:460px;
}

.form{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);
  border-radius:3px;padding:26px;
}
.form h3{font-size:17px;font-weight:650;margin-bottom:16px}
.form label{display:block;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.62);margin-bottom:14px}
.form input,.form textarea{
  display:block;width:100%;margin-top:6px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);border-radius:2px;
  color:#fff;font-family:var(--sans);font-size:14.5px;padding:11px 13px;
}
.form textarea{resize:vertical;min-height:84px}
.form input::placeholder,.form textarea::placeholder{color:rgba(255,255,255,.36)}
.form input:focus,.form textarea:focus{
  outline:none;border-color:var(--accent-lt);box-shadow:0 0 0 3px rgba(87,169,138,.16);
}
.form .btn{width:100%;margin-top:4px}
.form-note{margin-top:12px;font-size:11.5px;line-height:1.5;color:rgba(255,255,255,.45)}

/* ---------- footer ---------- */

.ftr{background:var(--dark-2);color:#98A19D;font-size:12.5px;line-height:1.6;padding:38px 0 34px}
.ftr-in{display:grid;grid-template-columns:1.2fr 1fr auto;gap:36px;align-items:start}
.ftr-brand{font-size:14px;letter-spacing:.16em;font-weight:700;color:#E8EDEA;margin-bottom:8px}
.ftr-about p{max-width:330px}
.ftr-req p + p{margin-top:2px}
.ftr-meta{text-align:right}
.ftr a{color:#C9D2CE;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.18)}
.ftr a:hover{color:#fff;border-bottom-color:var(--accent-lt)}

/* ---------- responsive ---------- */

@media (max-width:1080px){
  .hero{grid-template-columns:1fr}
  .hero-in{padding:64px 22px 56px}
  .hero-media{min-height:360px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cols4{grid-template-columns:repeat(2,1fr);gap:26px}
  .split{grid-template-columns:1fr;gap:38px}
  .ftr-in{grid-template-columns:1fr 1fr;gap:26px}
  .ftr-meta{text-align:left;grid-column:1 / -1}
}

@media (max-width:880px){
  .nav{display:none}
  .hdr-c{margin-left:auto}
  .facts{grid-template-columns:1fr 1fr}
  .facts li:nth-child(3){border-left:0}
  .facts li:nth-child(n+3){border-top:1px solid var(--line)}
  .sec-head{margin-top:56px}
  .section-sand .sec-head,.section-dark .sec-head{margin-top:0}
}

@media (max-width:640px){
  .cards{grid-template-columns:1fr}
  .cols4{grid-template-columns:1fr}
  .hdr-in{gap:12px}
  .brand-t b{font-size:15px}
  .tel{font-size:14.5px}
  .worktime{display:none}
  .brand-t i{display:none}
  .section{padding:52px 0}
  .sec-note{margin-left:0}
  .contacts li{grid-template-columns:1fr;gap:2px}
  .req > div{grid-template-columns:1fr;gap:2px}
  .ftr-in{grid-template-columns:1fr}
  .form{padding:20px}
  .pay{padding:20px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
  .card:hover img{transform:none}
}