:root{
  --ink:#17191C;
  --steel-700:#3B4148;
  --steel-400:#8B939B;
  --concrete-100:#EDEAE2;
  --concrete-200:#E1DDD3;
  --paper:#F7F5F0;
  --amber:#E39A2D;
  --amber-dark:#B87418;
  --wood:#9C6B3E;
  --wood-light:#C98A4E;
  --line: rgba(23,25,28,0.12);
  --radius: 4px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Manrope', sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Oswald', sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
  margin:0;
  color:var(--ink);
  font-weight:600;
}
a{color:inherit;}
.mono{font-family:'JetBrains Mono', monospace;}
.wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
img,svg{display:block;}

/* ===== Header ===== */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(247,245,240,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand-mark{width:44px; height:44px; flex-shrink:0;}
.brand-text{display:flex; flex-direction:column; line-height:1.1;}
.brand-name{font-family:'Oswald', sans-serif; font-weight:700; font-size:19px; letter-spacing:0.04em; color:var(--ink);}
.brand-sub{font-family:'JetBrains Mono', monospace; font-size:10px; letter-spacing:0.06em; color:var(--amber-dark); text-transform:uppercase; margin-top:2px;}
nav{display:flex; align-items:center; gap:30px;}
nav a{
  text-decoration:none; color:var(--steel-700); font-size:14px; font-weight:600;
  letter-spacing:0.01em;
}
nav a:hover{color:var(--ink);}
.nav-links{display:flex; gap:26px;}
.nav-links a{position:relative; padding-bottom:4px;}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--amber);}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 20px; border-radius:var(--radius);
  font-weight:700; font-size:14px; text-decoration:none;
  border:1.5px solid transparent; cursor:pointer;
  font-family:'Manrope', sans-serif;
  transition:transform .15s ease, background .15s ease;
}
.btn-primary{background:var(--amber); color:var(--ink);}
.btn-primary:hover{background:var(--amber-dark); color:#fff;}
.btn-outline{border-color:var(--ink); color:var(--ink); background:transparent;}
.btn-outline:hover{background:var(--ink); color:var(--paper);}
.btn-ghost{color:var(--ink); background:transparent; padding:11px 4px;}

/* ===== Hero (home) ===== */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--concrete-100);
  overflow:hidden;
}
.slats{
  position:absolute; inset:0;
  opacity:0.09;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  padding:88px 0 96px;
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap:48px;
  align-items:end;
}
.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:12px; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--amber);
  margin-bottom:18px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:22px; height:2px; background:var(--amber); display:inline-block;}
.hero h1{
  font-size:clamp(34px, 4.6vw, 58px);
  line-height:1.06;
  color:#fff;
  max-width:14ch;
}
.hero h1 em{color:var(--amber); font-style:normal;}
.hero-lead{
  margin-top:22px;
  font-size:17px;
  color:var(--concrete-100);
  max-width:46ch;
  opacity:0.88;
}
.hero-cta{display:flex; gap:14px; margin-top:32px; flex-wrap:wrap;}
.hero-side{
  border-left:2px solid rgba(237,234,226,0.18);
  padding-left:28px;
}
.hero-stat{margin-bottom:24px;}
.hero-stat:last-child{margin-bottom:0;}
.hero-stat .num{font-family:'Oswald', sans-serif; font-size:32px; color:var(--amber); font-weight:600;}
.hero-stat .lbl{font-size:13px; color:var(--concrete-100); opacity:0.75; margin-top:2px;}

/* ===== Page hero (inner pages) ===== */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--concrete-100);
  overflow:hidden;
}
.page-hero-inner{
  position:relative;
  padding:56px 0 60px;
}
.page-hero h1{
  font-size:clamp(28px, 3.6vw, 44px);
  color:#fff;
  max-width:22ch;
}
.page-hero .hero-lead{max-width:56ch; margin-top:16px; font-size:16px;}
.breadcrumb{
  font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--amber);
  opacity:0.85; margin-bottom:16px;
}
.breadcrumb a{text-decoration:none; opacity:0.75;}
.breadcrumb a:hover{opacity:1; text-decoration:underline;}

/* ===== Section shell ===== */
section{padding:84px 0;}
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; margin-bottom:44px; flex-wrap:wrap;
}
.section-head .num{
  font-family:'JetBrains Mono', monospace; font-size:13px; color:var(--amber-dark);
  letter-spacing:0.08em;
}
.section-head h2{font-size:clamp(26px,3vw,36px);}
.section-head p{max-width:44ch; color:var(--steel-700); font-size:15px; margin-top:8px;}

/* ===== Categories ===== */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.cat-card{
  background:var(--paper);
  padding:32px 26px;
  position:relative;
  min-height:230px;
  display:flex; flex-direction:column; justify-content:space-between;
}
.cat-index{font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--steel-400);}
.cat-icon{width:38px; height:38px; margin:18px 0 14px;}
.cat-card h3{font-size:17px; letter-spacing:0.01em;}
.cat-card p{font-size:13.5px; color:var(--steel-700); margin-top:10px; line-height:1.5;}
.cat-card:hover{background:var(--concrete-100);}

/* ===== Advantages ===== */
.adv-section{background:var(--ink); color:var(--concrete-100);}
.adv-section .section-head p{color:var(--concrete-100); opacity:0.75;}
.adv-section .num{color:var(--amber);}
.adv-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:36px;
}
.adv-item{border-top:2px solid rgba(237,234,226,0.2); padding-top:20px;}
.adv-item .adv-num{font-family:'Oswald',sans-serif; font-size:22px; color:var(--amber); margin-bottom:10px;}
.adv-item h3{font-size:16px; color:#fff; letter-spacing:0.01em;}
.adv-item p{font-size:14px; color:var(--concrete-100); opacity:0.8; margin-top:8px;}

/* ===== Warehouse strip ===== */
.wh{
  background:var(--concrete-100);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.wh-inner{
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;
}
.wh-label{font-family:'JetBrains Mono', monospace; font-size:12px; letter-spacing:0.1em; color:var(--amber-dark); text-transform:uppercase; margin-bottom:14px;}
.wh h2{font-size:clamp(24px,3vw,32px); margin-bottom:16px;}
.wh-addr{font-size:16px; margin-bottom:6px;}
.wh-note{font-size:14px; color:var(--steel-700); margin-top:14px; max-width:44ch;}
.wh-panel{
  background:var(--ink); color:var(--concrete-100);
  padding:30px; border-radius:var(--radius);
  position:relative; overflow:hidden;
}
.wh-panel .slats{opacity:0.1;}
.wh-row{display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px solid rgba(237,234,226,0.15); font-size:14px; position:relative;}
.wh-row:last-child{border-bottom:none;}
.wh-row span:first-child{color:var(--concrete-100); opacity:0.65;}
.wh-row span:last-child{font-family:'JetBrains Mono', monospace; color:#fff;}

/* ===== Requisites ===== */
.req-grid{display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line);}
.req-col{background:var(--paper); padding:34px 30px;}
.req-col h3{font-size:14px; letter-spacing:0.08em; color:var(--amber-dark); margin-bottom:20px;}
.req-row{display:flex; justify-content:space-between; gap:16px; padding:10px 0; border-bottom:1px dashed var(--line); font-size:14px;}
.req-row:last-child{border-bottom:none;}
.req-row span:first-child{color:var(--steel-700);}
.req-row span:last-child{font-family:'JetBrains Mono', monospace; text-align:right; font-weight:500;}
.req-actions{margin-top:28px; display:flex; gap:14px; flex-wrap:wrap;}

/* ===== Quick links (home) ===== */
.quick-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.quick-card{
  background:var(--paper); padding:30px 26px; text-decoration:none; color:var(--ink);
  display:flex; flex-direction:column; justify-content:space-between; min-height:170px;
  transition:background .15s ease;
}
.quick-card:hover{background:var(--concrete-100);}
.quick-card .qnum{font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--steel-400);}
.quick-card h3{font-size:17px; margin-top:14px;}
.quick-card p{font-size:13.5px; color:var(--steel-700); margin-top:8px;}
.quick-card .qarrow{margin-top:16px; font-family:'JetBrains Mono', monospace; font-size:13px; color:var(--amber-dark); font-weight:600;}

/* ===== Contacts / footer ===== */
.contact{background:var(--ink); color:var(--concrete-100);}
.contact .section-head p{color:var(--concrete-100); opacity:.75;}
.contact .num{color:var(--amber);}
.contact-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(237,234,226,0.15);}
.contact-card{padding:30px 6px;}
.contact-card .lbl{font-family:'JetBrains Mono', monospace; font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--amber); margin-bottom:10px;}
.contact-card .val{font-size:19px; font-weight:700; color:#fff;}
.contact-card a.val{text-decoration:none;}
.contact-card a.val:hover{color:var(--amber);}

.contact-note{
  margin-top:40px; padding-top:32px; border-top:1px solid rgba(237,234,226,0.15);
  font-size:14px; color:var(--concrete-100); opacity:0.75; max-width:60ch;
}

footer{
  background:var(--ink); color:var(--concrete-100);
  border-top:1px solid rgba(237,234,226,0.15);
  padding:26px 0;
}
.footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:12.5px; color:rgba(237,234,226,0.55);}

/* ===== responsive ===== */
@media (max-width: 900px){
  .nav-links{display:none;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-side{border-left:none; border-top:1px solid rgba(237,234,226,0.18); padding-left:0; padding-top:24px; display:flex; gap:32px;}
  .cat-grid{grid-template-columns:1fr 1fr;}
  .adv-grid{grid-template-columns:1fr;}
  .wh-inner{grid-template-columns:1fr;}
  .req-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .cat-grid{grid-template-columns:1fr;}
  .hero-side{flex-direction:column; gap:16px;}
  .quick-grid{grid-template-columns:1fr;}
}

:focus-visible{outline:2px solid var(--amber); outline-offset:2px;}