/* ========================================
   ООО "ЦПО" — Центр промышленного оснащения
   Корпоративный стиль | steelsib.ru
   ======================================== */

:root {
  --primary:    #008FD1;
  --secondary:  #000A16;
  --text:       #000A16;
  --gray:       #6C757D;
  --light-gray: #F8F9FA;
  --card-bg:    #FFFFFF;
  --border:     #E8EDF2;
  --mono:       'IBM Plex Mono', monospace;
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: 'IBM Plex Sans', Arial, sans-serif;
  background: #FFFFFF;
  color: var(--text);
  line-height: 1.4;
  scroll-behavior: smooth;
}

a { color: inherit; text-decoration: none; }

/* === GRID PATTERN === */
.grid-pattern { position: relative; }
.grid-pattern::before {
  content: '';
  position: absolute; top:0; left:0; right:0; bottom:0;
  background-image:
    linear-gradient(0deg,  rgba(0,143,209,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,143,209,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none; z-index: 0;
}

/* === HEADER === */
header {
  background: white;
  padding: 2.5rem 2rem;
  position: sticky; top:0; z-index:100;
  border-bottom: 3px solid var(--primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1400px; margin: 0 auto; gap: 0;
}
.logo-container { display: flex; align-items: center; gap: 1.2rem; flex: 1 1 auto; }
.logo {
  background: url('logo.png') center/contain no-repeat;
  width: 180px; height: 180px; flex-shrink: 0;
  border-radius: 4px;
}
.logo-text { display: flex; flex-direction: column; justify-content: center; }
.company-name { color: var(--text); font-size: 1.6rem; font-weight: 700; letter-spacing: -0.3px; line-height: 1.3; }
.tagline      { color: var(--gray); font-size: 1.0rem; font-weight: 300; margin-top: 3px; }
.spacer { flex: 0 0 0%; display:none; }
.right-section { display:flex; flex-direction:column; gap:0.8rem; flex: 0 0 auto; align-items:flex-end; }
.nav-links { display:flex; gap:1.6rem; align-items:center; flex-wrap:wrap; justify-content:flex-end; }
.nav-links a {
  color: var(--text); font-weight:500; font-size:0.95rem;
  transition: color 0.3s; position:relative; padding:0.3rem 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a::after {
  content:''; position:absolute; bottom:0; left:0; width:0; height:2px;
  background: var(--primary); transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width:100%; }
.search-input {
  padding: 0.55rem 1rem; border: 2px solid var(--border); background:white;
  color: var(--text); border-radius: 6px; font-size:0.88rem;
  font-family: 'IBM Plex Sans', sans-serif; outline:none; width:260px; transition:all 0.3s;
}
.search-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(0,143,209,0.1); }

/* === HERO === */
.hero {
  background: white; padding: 4rem 2rem; text-align:center;
  color: var(--text); position:relative; border-bottom:3px solid var(--primary);
}
.hero-content { position:relative; z-index:1; max-width:900px; margin:0 auto; }
.hero h1 { font-size:2.6rem; font-weight:700; letter-spacing:-0.5px; margin-bottom:1rem; line-height:1.2; }
.hero .subtitle { font-size:1.2rem; font-weight:400; margin:1rem auto; color:var(--primary); letter-spacing:0.3px; }
.hero .description { font-size:1rem; line-height:1.6; margin:1.2rem auto 0; max-width:780px; color:var(--gray); }
.hero-cta { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin-top:2rem; }

/* === BUTTONS === */
.btn-primary {
  display:inline-block; padding:0.75rem 2rem; background:var(--primary);
  color:white; font-weight:600; font-size:0.95rem; border-radius:6px;
  transition:all 0.3s; border:2px solid var(--primary); cursor:pointer;
}
.btn-primary:hover { background:transparent; color:var(--primary); }
.btn-secondary {
  display:inline-block; padding:0.75rem 2rem; background:transparent;
  color:var(--primary); font-weight:600; font-size:0.95rem; border-radius:6px;
  border:2px solid var(--primary); transition:all 0.3s; cursor:pointer;
}
.btn-secondary:hover { background:var(--primary); color:white; }

/* === DIVIDER === */
.divider {
  height:3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin: 3rem auto; max-width:1200px;
}

/* === MAIN === */
main { max-width:1200px; margin:0 auto; padding:0 1.5rem; }

/* === SECTION TITLE === */
.section-title {
  text-align:center; font-size:2rem; font-weight:700; color:var(--text);
  margin:3.5rem 0 2rem; position:relative; padding-bottom:1rem;
}
.section-title::after {
  content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%);
  width:80px; height:3px; background:var(--primary);
}

/* === CATEGORIES GRID — главная === */
.categories-grid {
  display:grid; grid-template-columns:repeat(3, 1fr);
  gap:1.8rem; margin-bottom:3.5rem;
}
.category-card {
  display:block; background:var(--card-bg); border:2px solid var(--border);
  border-radius:12px; padding:2rem 1.5rem; text-align:center;
  transition:all 0.3s; cursor:pointer; position:relative; overflow:hidden;
  color:var(--text);
}
.category-card::before {
  content:''; position:absolute; top:0; left:-100%; width:100%; height:3px;
  background:var(--primary); transition:left 0.3s;
}
.category-card:hover::before { left:0; }
.category-card:hover {
  transform:translateY(-5px);
  box-shadow:0 12px 24px rgba(0,143,209,0.15);
  border-color:var(--primary);
}
.cat-icon { font-size:2.2rem; margin-bottom:1rem; display:block; }
.category-card h3 { font-size:1.15rem; font-weight:600; color:var(--text); margin-bottom:0.8rem; }
.category-card p  { font-size:0.88rem; color:var(--gray); line-height:1.5; margin-bottom:1rem; }
.cat-link { font-size:0.85rem; color:var(--primary); font-weight:500; }

/* === ADVANTAGES === */
.advantages-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:1.8rem; margin-bottom:3.5rem;
}
.advantage-item {
  background:var(--light-gray); border-radius:12px; padding:2rem 1.5rem;
  text-align:center; border:2px solid var(--border); transition:all 0.3s;
}
.advantage-item:hover { border-color:var(--primary); box-shadow:0 8px 20px rgba(0,143,209,0.1); }
.adv-number { font-size:2rem; font-weight:700; color:var(--primary); margin-bottom:0.6rem; }
.advantage-item h4 { font-size:1rem; font-weight:600; color:var(--text); margin-bottom:0.6rem; }
.advantage-item p  { font-size:0.88rem; color:var(--gray); line-height:1.5; }

/* === ABOUT SECTION === */
.about-section { background:var(--light-gray); padding:4rem 2rem; margin:3rem 0; position:relative; }
.about-content {
  max-width:1200px; margin:0 auto; background:white;
  padding:3rem; border-radius:12px; border-left:5px solid var(--primary);
  box-shadow:0 4px 16px rgba(0,0,0,0.08);
}
.about-content h2 { font-size:1.9rem; font-weight:700; color:var(--primary); margin-bottom:1.2rem; }
.about-content h3 { font-size:1.2rem; font-weight:600; color:var(--text); margin:1.8rem 0 0.6rem; }
.about-content p  { font-size:1rem; color:var(--text); line-height:1.7; margin-bottom:1rem; }

/* === STATS GRID === */
.stats-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:1.5rem; margin-top:2.5rem; padding:2rem;
  background:linear-gradient(135deg, var(--secondary) 0%, #003D5C 100%);
  border-radius:12px; color:white; text-align:center;
}
.stat-item strong { display:block; font-size:2rem; font-weight:700; margin-bottom:0.4rem; }
.stat-item p { font-size:0.9rem; font-weight:400; opacity:0.9; color:white !important; }

/* === CATALOG PAGE === */
.page-header {
  background:white; padding:3rem 2rem; border-bottom:3px solid var(--primary); text-align:center;
}
.page-header h1 { font-size:2.2rem; font-weight:700; color:var(--text); margin-bottom:0.5rem; }
.page-header p   { font-size:1rem; color:var(--gray); }
.breadcrumb { font-size:0.85rem; color:var(--gray); margin-bottom:0.5rem; }
.breadcrumb a { color:var(--primary); }

.catalog-layout { display:grid; grid-template-columns:240px 1fr; gap:2rem; align-items:start; padding:2.5rem 1.5rem 2rem; max-width:1200px; margin:0 auto; position:relative; z-index:1; }
.catalog-sidebar { background:white; border:2px solid var(--border); border-radius:12px; padding:1.5rem; position:relative; top:auto; align-self:start; word-break:break-word; }
.sidebar-title { font-size:1rem; font-weight:700; color:var(--text); margin-bottom:1rem; padding-bottom:0.5rem; border-bottom:2px solid var(--primary); }
.sidebar-nav a {
  display:block; padding:0.6rem 0.8rem; color:var(--text); font-size:0.88rem;
  border-radius:6px; transition:all 0.2s; margin-bottom:0.3rem;
  white-space:normal; word-break:break-word; line-height:1.3;
}
.sidebar-nav a:hover, .sidebar-nav a.active { background:rgba(0,143,209,0.1); color:var(--primary); font-weight:500; }

/* === PRODUCT GRID === */
.products-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1.5rem;
}
.product-card {
  background:white; border:2px solid var(--border); border-radius:12px; overflow:hidden;
  transition:all 0.3s; display:flex; flex-direction:column;
}
.product-card:hover { transform:translateY(-4px); box-shadow:0 10px 24px rgba(0,143,209,0.15); border-color:var(--primary); }
.product-card-img {
  width:100%; height:180px; background:var(--light-gray);
  display:flex; align-items:center; justify-content:center;
  font-size:3.5rem; border-bottom:2px solid var(--border);
}
.product-card-body { padding:1.2rem; flex:1; display:flex; flex-direction:column; }
.product-tag {
  display:inline-block; font-size:0.72rem; font-weight:600; color:var(--primary);
  background:rgba(0,143,209,0.1); padding:0.25rem 0.7rem; border-radius:20px;
  margin-bottom:0.8rem; font-family:var(--mono);
}
.product-card h3 { font-size:1rem; font-weight:600; color:var(--text); margin-bottom:0.5rem; line-height:1.4; }
.product-card p  { font-size:0.85rem; color:var(--gray); line-height:1.5; flex:1; }
.product-card-footer { padding:1rem 1.2rem; border-top:2px solid var(--border); display:flex; justify-content:flex-end; }
.btn-request { font-size:0.85rem; font-weight:600; color:white; background:var(--primary); border:none; padding:0.55rem 1.2rem; border-radius:6px; cursor:pointer; transition:all 0.3s; }
.btn-request:hover { background:var(--secondary); }

/* === CAT-PAGE HERO === */
.cat-hero {
  background:white; padding:3rem 2rem 2rem; text-align:left;
  border-bottom:3px solid var(--primary); position:relative; z-index:2;
}
.cat-hero-inner { max-width:1200px; margin:0 auto; }
.cat-hero h1 { font-size:2rem; font-weight:700; color:var(--text); margin-bottom:0.5rem; }
.cat-hero p  { font-size:1rem; color:var(--gray); max-width:700px; line-height:1.6; }

/* === ABOUT PAGE === */
.about-page-content { max-width:900px; margin:0 auto; padding:3rem 1.5rem; }
.about-page-content h2 { font-size:1.6rem; font-weight:700; color:var(--primary); margin:2.5rem 0 1rem; }
.about-page-content p  { font-size:1rem; color:var(--text); line-height:1.7; margin-bottom:1rem; }
.about-page-content ul { margin:0.8rem 0 1rem 1.5rem; }
.about-page-content ul li { font-size:1rem; color:var(--text); line-height:1.7; margin-bottom:0.4rem; }

/* === CONTACTS PAGE === */
.contacts-layout { display:grid; grid-template-columns:1fr 1fr; gap:2rem; max-width:1100px; margin:0 auto; padding:3rem 1.5rem; align-items:start; }
.contact-block { background:white; border:2px solid var(--border); border-radius:12px; padding:2rem; }
.contact-block h3 { font-size:1.2rem; font-weight:700; color:var(--primary); margin-bottom:1.2rem; padding-bottom:0.5rem; border-bottom:2px solid var(--primary); }
.contact-row { display:flex; gap:0.8rem; align-items:flex-start; margin-bottom:1rem; font-size:0.95rem; color:var(--text); line-height:1.5; }
.contact-row .c-label { font-weight:600; min-width:100px; color:var(--gray); font-size:0.88rem; }
.contact-row a { color:var(--primary); }
.contact-row a:hover { text-decoration:underline; }
.req-table { width:100%; border-collapse:collapse; font-size:0.88rem; }
.req-table td { padding:0.5rem 0.8rem; border-bottom:1px solid var(--border); }
.req-table td:first-child { color:var(--gray); width:45%; }
.req-table td:last-child { font-family:var(--mono); color:var(--text); font-weight:500; }
.contact-form { display:flex; flex-direction:column; gap:1rem; margin-top:0.5rem; }
.contact-form input, .contact-form textarea, .contact-form select {
  padding:0.7rem 1rem; border:2px solid var(--border); border-radius:6px;
  font-size:0.9rem; font-family:'IBM Plex Sans',sans-serif; outline:none; color:var(--text); transition:all 0.3s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(0,143,209,0.1); }
.contact-form textarea { resize:vertical; min-height:110px; }

/* === FOOTER === */
footer {
  background:var(--secondary); color:var(--gray);
  padding:3rem 2rem 1.5rem; margin-top:4rem; border-top:3px solid var(--primary);
}
.footer-content { max-width:1200px; margin:0 auto; }
.footer-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; margin-bottom:2rem; }
.footer-col p { margin:0.4rem 0; font-size:0.88rem; line-height:1.6; }
.footer-title { font-weight:700; color:white; font-size:0.95rem; margin-bottom:0.6rem !important; }
footer a { color:var(--primary); }
footer a:hover { text-decoration:underline; }
.footer-copy { text-align:center; font-size:0.82rem; opacity:0.7; border-top:1px solid rgba(255,255,255,0.1); padding-top:1.2rem; }

/* === RESPONSIVE === */
@media (max-width:1024px) {
  nav { flex-wrap:wrap; }
  .logo-container { display: flex; align-items: center; gap: 1.2rem; flex: 1 1 auto; }
  .spacer { display:none; }
  .right-section { flex:0 0 100%; align-items:center; }
  .search-input { width:100%; }
  .catalog-layout { grid-template-columns:1fr; }
  .catalog-sidebar { position:static; }
  .contacts-layout { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  header { padding:1.2rem 1rem; }
  .logo { width: 180px; height: 180px; }
  .company-name { font-size: 1.6rem; }
  .hero h1 { font-size:1.9rem; }
  .hero .subtitle { font-size:1rem; }
  .categories-grid { grid-template-columns:1fr 1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .about-content { padding:2rem 1.2rem; }
  .footer-grid { grid-template-columns:1fr; }
}
@media (max-width:480px) {
  .hero { padding:2.5rem 1rem; }
  .hero h1 { font-size:1.6rem; }
  .section-title { font-size:1.7rem; }
  .stats-grid { grid-template-columns:1fr; gap:1.2rem; }
  .categories-grid { grid-template-columns:1fr; }
  .hero-cta { flex-direction:column; align-items:center; }
}


  
/* === SHRINKING HEADER === */
header {
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}
header.header-shrink {
  padding: 0.5rem 2rem;
}
header.header-shrink .logo { width: 90px; height: 90px; }
header.header-shrink .company-name { font-size: 1rem; }
header.header-shrink .tagline { font-size: 0.7rem; }
header.header-shrink .nav-links a { font-size: 0.82rem; }
header.header-shrink .search-input { padding: 0.35rem 0.8rem; font-size: 0.78rem; width: 200px; }
header.header-shrink .logo-container { gap: 0.7rem; }
.logo { transition: width 0.3s ease, height 0.3s ease; }
.company-name, .tagline, .nav-links a, .search-input, .logo-container { transition: all 0.3s ease; }
@media (max-width:768px) {
  header.header-shrink { padding: 0.4rem 1rem; }
  header.header-shrink .logo { width: 70px; height: 70px; }
  header.header-shrink .company-name { font-size: 0.9rem; }
  header.header-shrink .search-input { width: 100%; }
}


/* === SHRINKING HEADER === */
header { transition: padding 0.3s ease, box-shadow 0.3s ease; }
header.header-shrink { padding: 0.5rem 2rem !important; }
header.header-shrink .logo { width: 90px; height: 90px; }
header.header-shrink .company-name { font-size: 1rem; }
header.header-shrink .tagline { font-size: 0.7rem; }
header.header-shrink .nav-links a { font-size: 0.82rem; }
header.header-shrink .search-input { padding: 0.35rem 0.8rem; font-size: 0.78rem; width: 200px; }
header.header-shrink .logo-container { gap: 0.7rem; }
.logo { transition: width 0.3s ease, height 0.3s ease; }
.company-name, .tagline, .nav-links a, .search-input, .logo-container { transition: all 0.3s ease; }
@media (max-width:768px) {
  header.header-shrink { padding: 0.4rem 1rem !important; }
  header.header-shrink .logo { width: 70px; height: 70px; }
  header.header-shrink .company-name { font-size: 0.9rem; }
  header.header-shrink .search-input { width: 100%; }
}

/* === SMART SEARCH === */
.search-wrapper { position: relative; }
.search-dropdown { display:none; position:absolute; top:calc(100% + 6px); left:0; right:0; background:white; border:2px solid var(--primary); border-radius:8px; box-shadow:0 8px 32px rgba(0,0,0,0.15); z-index:9999; max-height:360px; overflow-y:auto; }
.search-dropdown.active { display:block; }
.search-item { display:flex; align-items:flex-start; gap:0.7rem; padding:0.7rem 1rem; cursor:pointer; border-bottom:1px solid var(--border); transition:background 0.15s; text-decoration:none; color:var(--text); }
.search-item:last-child { border-bottom:none; }
.search-item:hover, .search-item.focused { background:var(--light-gray); }
.search-item-icon { font-size:1.1rem; margin-top:2px; flex-shrink:0; }
.search-item-body { flex:1; min-width:0; }
.search-item-title { font-weight:600; font-size:0.88rem; color:var(--text); }
.search-item-title mark { background:rgba(0,143,209,0.15); color:var(--primary); border-radius:2px; }
.search-item-desc { font-size:0.78rem; color:var(--gray); margin-top:2px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.search-item-tag { font-size:0.7rem; background:var(--light-gray); color:var(--gray); padding:1px 6px; border-radius:10px; flex-shrink:0; margin-top:3px; }
.search-no-results { padding:1rem; text-align:center; color:var(--gray); font-size:0.88rem; }

/* === PRODUCT MODAL === */
.modal-overlay { display:none; position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,10,22,0.7); z-index:1000; align-items:center; justify-content:center; }
.modal-overlay.active { display:flex; }
.modal-box { background:white; border-radius:12px; padding:2.5rem; max-width:500px; width:90%; text-align:center; border-top:4px solid var(--primary); box-shadow:0 20px 60px rgba(0,0,0,0.3); position:relative; }
.modal-close { position:absolute; top:1rem; right:1rem; background:none; border:none; font-size:1.5rem; cursor:pointer; color:var(--gray); transition:color 0.3s; }
.modal-close:hover { color:var(--text); }
.modal-box h3 { font-size:1.3rem; font-weight:700; color:var(--text); margin-bottom:1rem; }
.modal-box p { font-size:0.95rem; color:var(--gray); line-height:1.6; margin-bottom:1.5rem; }
.modal-buttons { display:flex; flex-direction:column; gap:0.8rem; }
.modal-buttons a { display:block; padding:0.75rem 2rem; font-weight:600; font-size:0.95rem; border-radius:6px; text-align:center; transition:all 0.3s; background:var(--primary); color:white; border:2px solid var(--primary); }
.modal-buttons a:hover { background:transparent; color:var(--primary); }