/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  --iron: #0b1829;
  --iron-mid: #0e2040;
  --steel: #153060;
  --rust: #1a56db;
  --rust-light: #3b82f6;
  --gold: #f5c518;
  --gold-light: #ffe066;
  --smoke: #eef3fb;
  --white: #ffffff;
  --muted: #6b80a0;
  --border: #1e3a6e;
  --text-dark: #0b1829;
  --text-body: #1e3050;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --shadow: 0 4px 24px rgba(11,24,41,0.18);
  --shadow-lg: 0 12px 48px rgba(11,24,41,0.28);
  --radius: 4px;
  --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  color: var(--iron);
  line-height: 1.15;
  letter-spacing: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-primary { background: var(--rust); color: var(--white); }
.btn-primary:hover { background: var(--rust-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,86,219,0.4); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }
.btn-gold { background: var(--gold); color: var(--iron); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--iron);
  transition: var(--transition);
}
header.scrolled {
  background: rgba(13,21,30,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.5);
}

/* ---- TOP BAR ---- */
.header-topbar {
  background: #0a131c;
  border-bottom: 1px solid rgba(212,168,67,0.18);
  padding: 0;
}
.header-topbar-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 36px;
}
.topbar-contacts {
  display: flex;
  align-items: center;
  gap: 0;
}
.topbar-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 18px;
  border-right: 1px solid rgba(255,255,255,0.06);
  font-size: 0.76rem;
  color: rgba(255,255,255,0.55);
  height: 100%;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.topbar-item:hover { color: var(--gold); background: rgba(255,255,255,0.03); }
.topbar-item svg { width: 13px; height: 13px; fill: var(--gold); flex-shrink: 0; opacity: 0.8; }
.topbar-item strong { color: rgba(255,255,255,0.82); font-weight: 600; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0;
}
.topbar-hours {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.3px;
  border-left: 1px solid rgba(255,255,255,0.06);
}
.topbar-hours svg { width: 12px; height: 12px; fill: rgba(255,255,255,0.3); }
.topbar-website {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  font-size: 0.7rem;
  color: rgba(212,168,67,0.7);
  border-left: 1px solid rgba(255,255,255,0.06);
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.topbar-website:hover { color: var(--gold); }

/* ---- MAIN HEADER ROW ---- */
.header-main {
  padding: 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-main-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 0;
  min-height: 72px;
}

/* ---- LOGO ---- */
.logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  padding-right: 28px;
  border-right: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
}
.logo-img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  background: white;
  border-radius: 50%;
  padding: 4px;
  margin-right: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.logo-text-block { line-height: 1; }
.logo-company {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  white-space: nowrap;
  display: block;
}
.logo-company em {
  font-style: normal;
  color: var(--gold);
}
.logo-type {
  font-size: 0.62rem;
  color: rgba(255,255,255,0.38);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-top: 4px;
}
.logo-divider {
  width: 32px; height: 1px;
  background: linear-gradient(to right, var(--rust), transparent);
  margin: 5px 0;
}
.logo-since {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
}

/* ---- NAV ---- */
nav.main-nav {
  flex: 1;
  display: flex;
  align-items: center;
  padding-left: 8px;
}
.nav-list {
  display: flex;
  align-items: stretch;
  gap: 0;
  height: 100%;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 14px;
  height: 72px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  text-decoration: none;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 14px; right: 14px;
  height: 2px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.04);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-arrow {
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.5;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.nav-item:hover .nav-arrow { transform: rotate(180deg); }

/* DROPDOWN */
.dropdown {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  background: #0d1a26;
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 2px solid var(--rust);
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  z-index: 200;
}
.nav-item:hover .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.dropdown-header {
  padding: 10px 16px 8px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  text-decoration: none;
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--rust);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.6;
  transition: var(--transition);
}
.dropdown a:hover {
  color: var(--white);
  background: rgba(192,57,43,0.1);
  padding-left: 20px;
}
.dropdown a:hover::before { opacity: 1; }

/* ---- CTA BLOCK ---- */
.header-cta-block {
  display: flex;
  align-items: center;
  gap: 0;
  border-left: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.header-phone-block {
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.header-phone-label {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.header-phone-num {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.5px;
  white-space: nowrap;
  text-decoration: none;
  transition: var(--transition);
}
.header-phone-num:hover { color: var(--gold); }
.header-btn-wrap {
  padding: 0 20px 0 0;
}
.btn-callback {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px;
  background: var(--rust);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.3;
  gap: 2px;
}
.btn-callback span { font-size: 0.6rem; font-weight: 400; opacity: 0.75; letter-spacing: 0.5px; }
.btn-callback:hover {
  background: var(--rust-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26,86,219,0.45);
}

/* ---- SEARCH BUTTON ---- */
.search-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border-radius: var(--radius);
}
.search-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--gold);
}
.search-btn svg {
  display: block;
}

/* ===== SEARCH MODAL ===== */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11,24,41,0.95);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 60px;
  overflow-y: auto;
  animation: fadeInDown 0.3s ease-out;
}
.search-modal.open {
  display: flex;
}
.search-modal-content {
  position: relative;
  width: 100%;
  max-width: 800px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  padding: 32px;
  margin: 0 24px;
}
.search-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--muted);
  transition: var(--transition);
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-modal-close:hover {
  color: var(--iron);
  transform: rotate(90deg);
}
.search-modal-header {
  margin-bottom: 24px;
}
.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-icon {
  color: var(--muted);
  flex-shrink: 0;
}
.search-input {
  flex: 1;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-body);
  transition: var(--transition);
}
.search-input:focus {
  outline: none;
  border-color: var(--rust);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.search-input::placeholder {
  color: var(--muted);
}
.search-results {
  max-height: 600px;
  overflow-y: auto;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .search-modal {
    padding-top: 100px;
  }
  .search-modal-content {
    padding: 24px;
  }
  .search-input {
    font-size: 16px;
  }
}

/* ---- ACCENT BAR ---- */
.header-accent-bar {
  height: 3px;
  background: linear-gradient(to right, var(--rust) 0%, var(--gold) 50%, var(--rust) 100%);
  background-size: 200% 100%;
  animation: barShimmer 4s linear infinite;
}
@keyframes barShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- BURGER ---- */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  margin: auto 12px;
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
}
.burger span {
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* ---- MOBILE NAV ---- */
/* ---- MOBILE NAV OVERLAY ---- */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.mobile-nav-overlay.open { display: block; opacity: 1; }

/* ---- MOBILE NAV DRAWER (slides from LEFT, styled like header) ---- */
.mobile-nav {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: min(310px, 86vw);
  background: var(--iron);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 8px 0 48px rgba(0,0,0,0.7);
  overflow-y: auto;
  overflow-x: hidden;
}
.mobile-nav.open { transform: translateX(0); }

/* Sticky header strip — mirrors desktop topbar */
.mobile-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #0a131c;
  border-bottom: 2px solid var(--rust);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 2;
  gap: 8px;
}

/* Contact mini-bar inside mobile nav — mirrors topbar */
.mnav-contacts-bar {
  background: rgba(0,0,0,0.35);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.mnav-contacts-bar a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
  text-decoration: none;
}
.mnav-contacts-bar a:last-child { border-bottom: none; }
.mnav-contacts-bar a:hover { color: var(--gold); background: rgba(255,255,255,0.03); }
.mnav-contacts-bar a svg { width: 13px; height: 13px; fill: var(--gold); flex-shrink: 0; }
.mnav-contacts-bar a strong { color: rgba(255,255,255,0.82); }
.mnav-hours {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.28);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mnav-hours svg { width: 11px; height: 11px; fill: rgba(255,255,255,0.22); }

/* Nav links */
.mobile-nav-links {
  flex: 1;
  padding: 4px 0 12px;
  display: flex;
  flex-direction: column;
}
.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, padding-left 0.2s;
}
.mobile-nav-links a:hover { background: rgba(26,86,219,0.18); color: var(--white); padding-left: 22px; }
.mobile-nav-links a .mnav-icon {
  width: 28px; height: 28px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.mobile-nav-links a .mnav-icon svg { width: 14px; height: 14px; fill: var(--gold); }

.mnav-section-label {
  padding: 12px 16px 5px;
  font-family: var(--font-display);
  font-size: 0.56rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  background: rgba(245,197,24,0.05);
  border-bottom: 1px solid rgba(245,197,24,0.1);
  flex-shrink: 0;
}

.mobile-nav-links a.sub {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.48);
  padding: 9px 16px 9px 28px;
  text-transform: none;
  letter-spacing: 0.3px;
  gap: 7px;
}
.mobile-nav-links a.sub::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--rust);
  border-radius: 50%;
  flex-shrink: 0;
}
.mobile-nav-links a.sub:hover { color: var(--white); padding-left: 34px; }

.mobile-nav-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
  background: rgba(0,0,0,0.22);
}
.mobile-nav-contacts a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 0.82rem;
  margin-bottom: 9px;
  text-decoration: none;
  transition: var(--transition);
}
.mobile-nav-contacts a:hover { color: var(--gold); }
.mobile-nav-contacts a svg { width: 15px; height: 15px; fill: var(--gold); flex-shrink: 0; }
.mobile-nav-close {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  color: var(--white);
  cursor: pointer;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  line-height: 1;
  transition: var(--transition);
  flex-shrink: 0;
}
.mobile-nav-close:hover { background: rgba(255,255,255,0.15); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  background: var(--iron);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 148px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, rgba(11,24,41,0.98) 0%, rgba(21,48,96,0.85) 60%, rgba(26,86,219,0.18) 100%),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.012) 40px,
      rgba(255,255,255,0.012) 41px
    );
}

.hero-geometric {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 650px; height: 650px;
  border: 80px solid rgba(26,86,219,0.08);
  border-radius: 50%;
}
.hero-geometric::before {
  content: '';
  position: absolute;
  inset: 60px;
  border: 40px solid rgba(245,197,24,0.06);
  border-radius: 50%;
}
.hero-geometric::after {
  content: '';
  position: absolute;
  inset: 130px;
  border: 2px solid rgba(245,197,24,0.15);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(26,86,219,0.2);
  border: 1px solid rgba(26,86,219,0.4);
  border-radius: 2px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}
.hero-eyebrow span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.hero-title .accent { color: var(--rust); display: block; }
.hero-title .thin { font-weight: 400; opacity: 0.85; }

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
  max-width: 500px;
  line-height: 1.8;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 32px;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.hero-stat {}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.hero-stat-num span { color: var(--rust); }
.hero-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero-scroll::before {
  content: '';
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.35));
}

/* ===== ADVANTAGES ===== */
#advantages {
  padding: 96px 0;
  background: var(--smoke);
  position: relative;
}
#advantages::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--rust), var(--gold));
}

.advantages-header {
  text-align: center;
  margin-bottom: 60px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
}

.advantage-card {
  background: var(--white);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.advantage-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.advantage-card:hover::before { transform: scaleX(1); }

.advantage-num {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(26,86,219,0.07);
  line-height: 1;
  margin-bottom: -10px;
  letter-spacing: -2px;
}
.advantage-icon {
  width: 52px; height: 52px;
  background: var(--iron);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.advantage-icon svg { width: 26px; height: 26px; fill: var(--gold); }
.advantage-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.advantage-text {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== CATALOG ===== */
#catalog {
  padding: 96px 0;
  background: var(--white);
}

.catalog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}

.cat-card {
  position: relative;
  overflow: hidden;
  background: var(--iron);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
  cursor: pointer;
  transition: var(--transition);
}
.cat-card:first-child { grid-row: span 2; }

.cat-bg {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease, opacity 0.3s ease;
}
.cat-card:hover .cat-bg { transform: scale(1.06); opacity: 0.55; }

/* Real industrial/metal photos from Unsplash */
.cat-bg-panels {
  background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=900&q=80');
  background-size: cover;
  background-position: center;
}
.cat-bg-metal {
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=800&q=80');
  background-size: cover;
  background-position: center;
}
.cat-bg-pipes {
  background-image: url('https://images.unsplash.com/photo-1565793298595-6a879b1d9492?w=800&q=80');
  background-size: cover;
  background-position: center;
}
.cat-bg-fittings {
  background-image: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?w=800&q=80');
  background-size: cover;
  background-position: center;
}

.cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,25,35,0.95) 0%, rgba(15,25,35,0.3) 60%, transparent 100%);
}
.cat-content { position: relative; z-index: 2; }
.cat-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--rust);
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 14px;
  border-radius: 2px;
}
.cat-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
  margin-bottom: 10px;
  line-height: 1.2;
}
.cat-card:first-child .cat-title { font-size: 2rem; }
.cat-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
  line-height: 1.6;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  transition: var(--transition);
}
.cat-link::after { content: '→'; transition: var(--transition); }
.cat-card:hover .cat-link::after { transform: translateX(4px); }

/* ===== PRODUCT SECTIONS ===== */
.products-section {
  padding: 80px 0;
}
.products-section:nth-child(odd) { background: var(--smoke); }
.products-section:nth-child(even) { background: var(--white); }

.products-section-header {
  margin-bottom: 40px;
}

.product-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.product-table thead {
  background: var(--iron);
  color: var(--white);
}
.product-table th {
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
  white-space: nowrap;
}
.product-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #edf0f3;
  color: var(--text-body);
  vertical-align: top;
}
.product-table tbody tr:hover { background: #f7f9fb; }
.product-table tbody tr:last-child td { border-bottom: none; }
.price-val { font-weight: 600; color: var(--rust); white-space: nowrap; }
.spec-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--smoke);
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 1px;
}

/* Product cards grid */
.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--white);
  border: 1px solid #e5eaf0;
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card-head {
  background: var(--iron);
  padding: 20px 24px;
}
.product-card-type {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.product-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--white);
  font-weight: 500;
  line-height: 1.3;
}
.product-card-body { padding: 20px 24px; }
.product-specs-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #edf0f3;
}
.spec-item { display: flex; flex-direction: column; }
.spec-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; }
.spec-val { font-size: 0.88rem; font-weight: 600; color: var(--iron); }
.price-rows { display: flex; flex-direction: column; gap: 8px; }
.price-row {
  display: flex; align-items: center;
  padding: 8px 12px;
  background: var(--smoke);
  border-radius: 3px;
  gap: 8px;
}
.thickness-tag {
  min-width: 48px;
  padding: 2px 8px;
  background: var(--iron);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.75rem;
  border-radius: 3px;
  text-align: center;
}
.price-cols { display: flex; gap: 14px; margin-left: auto; }
.price-col { display: flex; flex-direction: column; align-items: flex-end; }
.p-unit { font-size: 0.6rem; color: var(--muted); text-transform: uppercase; }
.p-val { font-size: 0.9rem; font-weight: 700; color: var(--rust); }

/* ===== SERVICES ===== */
#services {
  padding: 96px 0;
  background: var(--iron);
  position: relative;
  overflow: hidden;
}
#services::before {
  content: 'УСЛУГИ';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 18vw;
  font-weight: 700;
  color: rgba(255,255,255,0.015);
  white-space: nowrap;
  letter-spacing: 8px;
  pointer-events: none;
}
#services .section-title { color: var(--white); }
#services .section-label { color: var(--gold); }

.services-header { margin-bottom: 56px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
}
.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.service-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--gold);
}
.service-card::before {
  content: attr(data-num);
  position: absolute;
  top: -10px; right: 20px;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  line-height: 1;
}
.service-icon {
  width: 48px; height: 48px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon { border-color: var(--gold); }
.service-icon svg { width: 24px; height: 24px; fill: var(--gold); }
.service-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.service-text { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.7; }

/* ===== NEWS ===== */
#news {
  padding: 96px 0;
  background: var(--smoke);
}
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}
.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3px;
}
.news-card {
  background: var(--white);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow); }
.news-card-img {
  height: 200px;
  background: var(--iron-mid);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.news-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11,24,41,0.35) 0%, rgba(11,24,41,0.6) 100%);
  transition: opacity 0.3s ease;
}
.news-card:hover .news-card-img { transform: scale(1.03); }
.news-card:first-child .news-card-img { height: 280px; }
.news-card-label {
  position: absolute;
  top: 16px; left: 16px;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
  z-index: 2;
}
.label-news { background: var(--iron); color: var(--gold); }
.label-promo { background: var(--rust); color: var(--white); }
.news-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-date {
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.news-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--iron);
  line-height: 1.35;
  margin-bottom: 12px;
  transition: var(--transition);
  flex: 1;
}
.news-card:hover .news-title { color: var(--rust); }
.news-excerpt { font-size: 0.82rem; color: var(--muted); line-height: 1.65; }
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--rust);
}

/* ===== PRICE LISTS ===== */
#price-lists {
  padding: 96px 0;
  background: var(--white);
}
.section-desc {
  font-size: 1rem;
  color: var(--text-body);
  margin-top: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.price-lists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.price-card {
  background: var(--white);
  border: 2px solid #e0e8f0;
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.price-card:hover {
  border-color: var(--rust);
  box-shadow: 0 8px 32px rgba(26,86,219,0.12);
  transform: translateY(-4px);
}
.price-card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}
.price-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 12px;
}
.price-card-text {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}
.btn-small {
  padding: 10px 20px;
  font-size: 0.8rem;
  width: 100%;
}
.price-info {
  margin-top: 40px !important;
}

/* ===== CONTACTS ===== */
#contacts {
  padding: 96px 0;
  background: var(--white);
}
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contacts-info { display: flex; flex-direction: column; gap: 32px; }
.contact-block {}
.contact-block-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 12px;
}
.contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
  align-items: flex-start;
}
.contact-icon {
  width: 36px; height: 36px;
  background: var(--iron);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 16px; height: 16px; fill: var(--gold); }
.contact-text { font-size: 0.9rem; color: var(--text-body); line-height: 1.5; }
.contact-text a { color: var(--rust); }
.contact-text a:hover { text-decoration: underline; }

.contact-form-wrap {}
.contact-form-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.contact-form-sub { font-size: 0.85rem; color: var(--muted); margin-bottom: 32px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--smoke);
  border: 1px solid #e0e7ee;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-body);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--rust);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-privacy {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.map-placeholder {
  margin-top: 64px;
  background: var(--iron-mid);
  height: 360px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}
.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 30px,
    rgba(255,255,255,0.02) 30px, rgba(255,255,255,0.02) 31px
  ),
  repeating-linear-gradient(
    90deg, transparent, transparent 30px,
    rgba(255,255,255,0.02) 30px, rgba(255,255,255,0.02) 31px
  );
}
.map-pin {
  width: 48px; height: 48px;
  background: var(--rust);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  position: relative;
  animation: pulse 2s infinite;
}
.map-pin::after {
  content: '';
  position: absolute;
  inset: 8px;
  background: var(--white);
  border-radius: 50%;
}
.map-text {
  font-family: var(--font-display);
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--rust);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 1px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.map-link:hover { background: var(--rust-light); }

/* ===== FOOTER ===== */
footer {
  background: var(--iron);
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--rust), var(--gold), var(--rust));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-about {}
.footer-logo { margin-bottom: 20px; }
.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  margin-bottom: 24px;
}
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  font-weight: 700;
  transition: var(--transition);
}
.social-btn:hover { background: var(--rust); border-color: var(--rust); color: var(--white); }

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.footer-links a::before { content: '—'; color: var(--border); font-size: 0.65rem; }
.footer-links a:hover { color: var(--white); padding-left: 4px; }

.footer-legal {}
.footer-legal-item {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.footer-legal-key {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  min-width: 40px;
  flex-shrink: 0;
  padding-top: 2px;
}
.footer-legal-val {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  font-family: 'Courier New', monospace;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.65); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,18,25,0.85);
  backdrop-filter: blur(8px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
  padding: 4px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.modal-sub { font-size: 0.88rem; color: var(--muted); margin-bottom: 28px; }

/* ===== TABS ===== */
.tabs { margin-bottom: 0; }
.tab-buttons {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #edf0f3;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn.active, .tab-btn:hover { color: var(--rust); border-bottom-color: var(--rust); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192,57,43,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(192,57,43,0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .catalog-grid { grid-template-columns: 1fr 1fr; }
  .cat-card:first-child { grid-row: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card:first-child .news-card-img { height: 200px; }
}

@media (max-width: 1100px) {
  .topbar-item:not(:first-child):not(:nth-child(2)) { display: none; }
  .nav-link { padding: 0 10px; font-size: 0.72rem; }
  .header-phone-block { display: none; }
  .logo-since { display: none; }
}
@media (max-width: 900px) {
  .header-topbar { display: none; }
  nav.main-nav { display: none; }
  .burger { display: flex; }
  .header-btn-wrap { display: none; }
  
  .hero-stats { grid-template-columns: repeat(3,1fr); gap: 16px; }
  .hero-stat-num { font-size: 1.8rem; }
  
  .catalog-grid { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  
  .modal { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .tab-buttons { overflow-x: auto; flex-wrap: nowrap; }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.divider {
  width: 40px; height: 3px;
  background: var(--rust);
  margin: 16px 0;
}
.divider.center { margin: 16px auto; }

/* ===== TOP RIBBON ===== */
.top-ribbon {
  background: var(--rust);
  text-align: center;
  padding: 8px 24px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: var(--white);
  position: relative;
}
.top-ribbon a { text-decoration: underline; }
.top-ribbon-close {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  font-size: 1rem;
}


body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  color: var(--iron);
  line-height: 1.15;
  letter-spacing: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-primary { background: var(--rust); color: var(--white); }
.btn-primary:hover { background: var(--rust-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,86,219,0.4); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }
.btn-gold { background: var(--gold); color: var(--iron); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--iron);
  transition: var(--transition);
}
header.scrolled {
  background: rgba(13,21,30,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.5);
}

/* ---- TOP BAR ---- */
.header-topbar {
  background: #0a131c;
  border-bottom: 1px solid rgba(212,168,67,0.18);
  padding: 0;
}
.header-topbar-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 36px;
}
.topbar-contacts {
  display: flex;
  align-items: center;
  gap: 0;
}
.topbar-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 18px;
  border-right: 1px solid rgba(255,255,255,0.06);
  font-size: 0.76rem;
  color: rgba(255,255,255,0.55);
  height: 100%;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.topbar-item:hover { color: var(--gold); background: rgba(255,255,255,0.03); }
.topbar-item svg { width: 13px; height: 13px; fill: var(--gold); flex-shrink: 0; opacity: 0.8; }
.topbar-item strong { color: rgba(255,255,255,0.82); font-weight: 600; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0;
}
.topbar-hours {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.3px;
  border-left: 1px solid rgba(255,255,255,0.06);
}
.topbar-hours svg { width: 12px; height: 12px; fill: rgba(255,255,255,0.3); }
.topbar-website {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  font-size: 0.7rem;
  color: rgba(212,168,67,0.7);
  border-left: 1px solid rgba(255,255,255,0.06);
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.topbar-website:hover { color: var(--gold); }

/* ---- MAIN HEADER ROW ---- */
.header-main {
  padding: 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-main-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 0;
  min-height: 72px;
}

/* ---- LOGO ---- */
.logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  padding-right: 28px;
  border-right: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
}
.logo-img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  background: white;
  border-radius: 50%;
  padding: 4px;
  margin-right: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.logo-text-block { line-height: 1; }
.logo-company {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  white-space: nowrap;
  display: block;
}
.logo-company em {
  font-style: normal;
  color: var(--gold);
}
.logo-type {
  font-size: 0.62rem;
  color: rgba(255,255,255,0.38);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-top: 4px;
}
.logo-divider {
  width: 32px; height: 1px;
  background: linear-gradient(to right, var(--rust), transparent);
  margin: 5px 0;
}
.logo-since {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
}

/* ---- NAV ---- */
nav.main-nav {
  flex: 1;
  display: flex;
  align-items: center;
  padding-left: 8px;
}
.nav-list {
  display: flex;
  align-items: stretch;
  gap: 0;
  height: 100%;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 14px;
  height: 72px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  text-decoration: none;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 14px; right: 14px;
  height: 2px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.04);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-arrow {
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.5;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.nav-item:hover .nav-arrow { transform: rotate(180deg); }

/* DROPDOWN */
.dropdown {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  background: #0d1a26;
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 2px solid var(--rust);
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  z-index: 200;
}
.nav-item:hover .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.dropdown-header {
  padding: 10px 16px 8px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  text-decoration: none;
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--rust);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.6;
  transition: var(--transition);
}
.dropdown a:hover {
  color: var(--white);
  background: rgba(192,57,43,0.1);
  padding-left: 20px;
}
.dropdown a:hover::before { opacity: 1; }

/* ---- CTA BLOCK ---- */
.header-cta-block {
  display: flex;
  align-items: center;
  gap: 0;
  border-left: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.header-phone-block {
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.header-phone-label {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.header-phone-num {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.5px;
  white-space: nowrap;
  text-decoration: none;
  transition: var(--transition);
}
.header-phone-num:hover { color: var(--gold); }
.header-btn-wrap {
  padding: 0 20px 0 0;
}
.btn-callback {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px;
  background: var(--rust);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.3;
  gap: 2px;
}
.btn-callback span { font-size: 0.6rem; font-weight: 400; opacity: 0.75; letter-spacing: 0.5px; }
.btn-callback:hover {
  background: var(--rust-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26,86,219,0.45);
}

/* ---- SEARCH BUTTON ---- */
.search-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border-radius: var(--radius);
}
.search-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--gold);
}
.search-btn svg {
  display: block;
}

/* ===== SEARCH MODAL ===== */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11,24,41,0.95);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 60px;
  overflow-y: auto;
  animation: fadeInDown 0.3s ease-out;
}
.search-modal.open {
  display: flex;
}
.search-modal-content {
  position: relative;
  width: 100%;
  max-width: 800px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  padding: 32px;
  margin: 0 24px;
}
.search-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--muted);
  transition: var(--transition);
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-modal-close:hover {
  color: var(--iron);
  transform: rotate(90deg);
}
.search-modal-header {
  margin-bottom: 24px;
}
.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-icon {
  color: var(--muted);
  flex-shrink: 0;
}
.search-input {
  flex: 1;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-body);
  transition: var(--transition);
}
.search-input:focus {
  outline: none;
  border-color: var(--rust);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.search-input::placeholder {
  color: var(--muted);
}
.search-results {
  max-height: 600px;
  overflow-y: auto;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .search-modal {
    padding-top: 100px;
  }
  .search-modal-content {
    padding: 24px;
  }
  .search-input {
    font-size: 16px;
  }
}

/* ---- ACCENT BAR ---- */
.header-accent-bar {
  height: 3px;
  background: linear-gradient(to right, var(--rust) 0%, var(--gold) 50%, var(--rust) 100%);
  background-size: 200% 100%;
  animation: barShimmer 4s linear infinite;
}
@keyframes barShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- BURGER ---- */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  margin: auto 12px;
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
}
.burger span {
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* ---- MOBILE NAV ---- */
/* ---- MOBILE NAV OVERLAY ---- */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.mobile-nav-overlay.open { display: block; opacity: 1; }

/* ---- MOBILE NAV DRAWER (slides from LEFT, styled like header) ---- */
.mobile-nav {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: min(310px, 86vw);
  background: var(--iron);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 8px 0 48px rgba(0,0,0,0.7);
  overflow-y: auto;
  overflow-x: hidden;
}
.mobile-nav.open { transform: translateX(0); }

/* Sticky header strip — mirrors desktop topbar */
.mobile-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #0a131c;
  border-bottom: 2px solid var(--rust);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 2;
  gap: 8px;
}

/* Contact mini-bar inside mobile nav — mirrors topbar */
.mnav-contacts-bar {
  background: rgba(0,0,0,0.35);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.mnav-contacts-bar a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
  text-decoration: none;
}
.mnav-contacts-bar a:last-child { border-bottom: none; }
.mnav-contacts-bar a:hover { color: var(--gold); background: rgba(255,255,255,0.03); }
.mnav-contacts-bar a svg { width: 13px; height: 13px; fill: var(--gold); flex-shrink: 0; }
.mnav-contacts-bar a strong { color: rgba(255,255,255,0.82); }
.mnav-hours {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.28);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mnav-hours svg { width: 11px; height: 11px; fill: rgba(255,255,255,0.22); }

/* Nav links */
.mobile-nav-links {
  flex: 1;
  padding: 4px 0 12px;
  display: flex;
  flex-direction: column;
}
.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, padding-left 0.2s;
}
.mobile-nav-links a:hover { background: rgba(26,86,219,0.18); color: var(--white); padding-left: 22px; }
.mobile-nav-links a .mnav-icon {
  width: 28px; height: 28px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.mobile-nav-links a .mnav-icon svg { width: 14px; height: 14px; fill: var(--gold); }

.mnav-section-label {
  padding: 12px 16px 5px;
  font-family: var(--font-display);
  font-size: 0.56rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  background: rgba(245,197,24,0.05);
  border-bottom: 1px solid rgba(245,197,24,0.1);
  flex-shrink: 0;
}

.mobile-nav-links a.sub {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.48);
  padding: 9px 16px 9px 28px;
  text-transform: none;
  letter-spacing: 0.3px;
  gap: 7px;
}
.mobile-nav-links a.sub::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--rust);
  border-radius: 50%;
  flex-shrink: 0;
}
.mobile-nav-links a.sub:hover { color: var(--white); padding-left: 34px; }

.mobile-nav-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
  background: rgba(0,0,0,0.22);
}
.mobile-nav-contacts a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 0.82rem;
  margin-bottom: 9px;
  text-decoration: none;
  transition: var(--transition);
}
.mobile-nav-contacts a:hover { color: var(--gold); }
.mobile-nav-contacts a svg { width: 15px; height: 15px; fill: var(--gold); flex-shrink: 0; }
.mobile-nav-close {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  color: var(--white);
  cursor: pointer;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  line-height: 1;
  transition: var(--transition);
  flex-shrink: 0;
}
.mobile-nav-close:hover { background: rgba(255,255,255,0.15); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  background: var(--iron);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 148px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, rgba(11,24,41,0.98) 0%, rgba(21,48,96,0.85) 60%, rgba(26,86,219,0.18) 100%),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.012) 40px,
      rgba(255,255,255,0.012) 41px
    );
}

.hero-geometric {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 650px; height: 650px;
  border: 80px solid rgba(26,86,219,0.08);
  border-radius: 50%;
}
.hero-geometric::before {
  content: '';
  position: absolute;
  inset: 60px;
  border: 40px solid rgba(245,197,24,0.06);
  border-radius: 50%;
}
.hero-geometric::after {
  content: '';
  position: absolute;
  inset: 130px;
  border: 2px solid rgba(245,197,24,0.15);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(26,86,219,0.2);
  border: 1px solid rgba(26,86,219,0.4);
  border-radius: 2px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}
.hero-eyebrow span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.hero-title .accent { color: var(--rust); display: block; }
.hero-title .thin { font-weight: 400; opacity: 0.85; }

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
  max-width: 500px;
  line-height: 1.8;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 32px;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.hero-stat {}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.hero-stat-num span { color: var(--rust); }
.hero-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero-scroll::before {
  content: '';
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.35));
}

/* ===== ADVANTAGES ===== */
#advantages {
  padding: 96px 0;
  background: var(--smoke);
  position: relative;
}
#advantages::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--rust), var(--gold));
}

.advantages-header {
  text-align: center;
  margin-bottom: 60px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
}

.advantage-card {
  background: var(--white);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.advantage-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.advantage-card:hover::before { transform: scaleX(1); }

.advantage-num {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(26,86,219,0.07);
  line-height: 1;
  margin-bottom: -10px;
  letter-spacing: -2px;
}
.advantage-icon {
  width: 52px; height: 52px;
  background: var(--iron);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.advantage-icon svg { width: 26px; height: 26px; fill: var(--gold); }
.advantage-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.advantage-text {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== CATALOG ===== */
#catalog {
  padding: 96px 0;
  background: var(--white);
}

.catalog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}

.cat-card {
  position: relative;
  overflow: hidden;
  background: var(--iron);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
  cursor: pointer;
  transition: var(--transition);
}
.cat-card:first-child { grid-row: span 2; }

.cat-bg {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease, opacity 0.3s ease;
}
.cat-card:hover .cat-bg { transform: scale(1.06); opacity: 0.55; }

/* Real industrial/metal photos from Unsplash */
.cat-bg-panels {
  background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=900&q=80');
  background-size: cover;
  background-position: center;
}
.cat-bg-metal {
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=800&q=80');
  background-size: cover;
  background-position: center;
}
.cat-bg-pipes {
  background-image: url('https://images.unsplash.com/photo-1565793298595-6a879b1d9492?w=800&q=80');
  background-size: cover;
  background-position: center;
}
.cat-bg-fittings {
  background-image: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?w=800&q=80');
  background-size: cover;
  background-position: center;
}

.cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,25,35,0.95) 0%, rgba(15,25,35,0.3) 60%, transparent 100%);
}
.cat-content { position: relative; z-index: 2; }
.cat-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--rust);
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 14px;
  border-radius: 2px;
}
.cat-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
  margin-bottom: 10px;
  line-height: 1.2;
}
.cat-card:first-child .cat-title { font-size: 2rem; }
.cat-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
  line-height: 1.6;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  transition: var(--transition);
}
.cat-link::after { content: '→'; transition: var(--transition); }
.cat-card:hover .cat-link::after { transform: translateX(4px); }

/* ===== PRODUCT SECTIONS ===== */
.products-section {
  padding: 80px 0;
}
.products-section:nth-child(odd) { background: var(--smoke); }
.products-section:nth-child(even) { background: var(--white); }

.products-section-header {
  margin-bottom: 40px;
}

.product-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.product-table thead {
  background: var(--iron);
  color: var(--white);
}
.product-table th {
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
  white-space: nowrap;
}
.product-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #edf0f3;
  color: var(--text-body);
  vertical-align: top;
}
.product-table tbody tr:hover { background: #f7f9fb; }
.product-table tbody tr:last-child td { border-bottom: none; }
.price-val { font-weight: 600; color: var(--rust); white-space: nowrap; }
.spec-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--smoke);
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 1px;
}

/* Product cards grid */
.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--white);
  border: 1px solid #e5eaf0;
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card-head {
  background: var(--iron);
  padding: 20px 24px;
}
.product-card-type {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.product-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--white);
  font-weight: 500;
  line-height: 1.3;
}
.product-card-body { padding: 20px 24px; }
.product-specs-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #edf0f3;
}
.spec-item { display: flex; flex-direction: column; }
.spec-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; }
.spec-val { font-size: 0.88rem; font-weight: 600; color: var(--iron); }
.price-rows { display: flex; flex-direction: column; gap: 8px; }
.price-row {
  display: flex; align-items: center;
  padding: 8px 12px;
  background: var(--smoke);
  border-radius: 3px;
  gap: 8px;
}
.thickness-tag {
  min-width: 48px;
  padding: 2px 8px;
  background: var(--iron);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.75rem;
  border-radius: 3px;
  text-align: center;
}
.price-cols { display: flex; gap: 14px; margin-left: auto; }
.price-col { display: flex; flex-direction: column; align-items: flex-end; }
.p-unit { font-size: 0.6rem; color: var(--muted); text-transform: uppercase; }
.p-val { font-size: 0.9rem; font-weight: 700; color: var(--rust); }

/* ===== SERVICES ===== */
#services {
  padding: 96px 0;
  background: var(--iron);
  position: relative;
  overflow: hidden;
}
#services::before {
  content: 'УСЛУГИ';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 18vw;
  font-weight: 700;
  color: rgba(255,255,255,0.015);
  white-space: nowrap;
  letter-spacing: 8px;
  pointer-events: none;
}
#services .section-title { color: var(--white); }
#services .section-label { color: var(--gold); }

.services-header { margin-bottom: 56px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
}
.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.service-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--gold);
}
.service-card::before {
  content: attr(data-num);
  position: absolute;
  top: -10px; right: 20px;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  line-height: 1;
}
.service-icon {
  width: 48px; height: 48px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon { border-color: var(--gold); }
.service-icon svg { width: 24px; height: 24px; fill: var(--gold); }
.service-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.service-text { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.7; }

/* ===== NEWS ===== */
#news {
  padding: 96px 0;
  background: var(--smoke);
}
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}
.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3px;
}
.news-card {
  background: var(--white);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow); }
.news-card-img {
  height: 200px;
  background: var(--iron-mid);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.news-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11,24,41,0.35) 0%, rgba(11,24,41,0.6) 100%);
  transition: opacity 0.3s ease;
}
.news-card:hover .news-card-img { transform: scale(1.03); }
.news-card:first-child .news-card-img { height: 280px; }
.news-card-label {
  position: absolute;
  top: 16px; left: 16px;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
  z-index: 2;
}
.label-news { background: var(--iron); color: var(--gold); }
.label-promo { background: var(--rust); color: var(--white); }
.news-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-date {
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.news-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--iron);
  line-height: 1.35;
  margin-bottom: 12px;
  transition: var(--transition);
  flex: 1;
}
.news-card:hover .news-title { color: var(--rust); }
.news-excerpt { font-size: 0.82rem; color: var(--muted); line-height: 1.65; }
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--rust);
}

/* ===== PRICE LISTS ===== */
#price-lists {
  padding: 96px 0;
  background: var(--white);
}
.section-desc {
  font-size: 1rem;
  color: var(--text-body);
  margin-top: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.price-lists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.price-card {
  background: var(--white);
  border: 2px solid #e0e8f0;
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.price-card:hover {
  border-color: var(--rust);
  box-shadow: 0 8px 32px rgba(26,86,219,0.12);
  transform: translateY(-4px);
}
.price-card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}
.price-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 12px;
}
.price-card-text {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}
.btn-small {
  padding: 10px 20px;
  font-size: 0.8rem;
  width: 100%;
}
.price-info {
  margin-top: 40px !important;
}

/* ===== CONTACTS ===== */
#contacts {
  padding: 96px 0;
  background: var(--white);
}
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contacts-info { display: flex; flex-direction: column; gap: 32px; }
.contact-block {}
.contact-block-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 12px;
}
.contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
  align-items: flex-start;
}
.contact-icon {
  width: 36px; height: 36px;
  background: var(--iron);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 16px; height: 16px; fill: var(--gold); }
.contact-text { font-size: 0.9rem; color: var(--text-body); line-height: 1.5; }
.contact-text a { color: var(--rust); }
.contact-text a:hover { text-decoration: underline; }

.contact-form-wrap {}
.contact-form-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.contact-form-sub { font-size: 0.85rem; color: var(--muted); margin-bottom: 32px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--smoke);
  border: 1px solid #e0e7ee;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-body);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--rust);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-privacy {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.map-placeholder {
  margin-top: 64px;
  background: var(--iron-mid);
  height: 360px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}
.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 30px,
    rgba(255,255,255,0.02) 30px, rgba(255,255,255,0.02) 31px
  ),
  repeating-linear-gradient(
    90deg, transparent, transparent 30px,
    rgba(255,255,255,0.02) 30px, rgba(255,255,255,0.02) 31px
  );
}
.map-pin {
  width: 48px; height: 48px;
  background: var(--rust);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  position: relative;
  animation: pulse 2s infinite;
}
.map-pin::after {
  content: '';
  position: absolute;
  inset: 8px;
  background: var(--white);
  border-radius: 50%;
}
.map-text {
  font-family: var(--font-display);
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--rust);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 1px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.map-link:hover { background: var(--rust-light); }

/* ===== FOOTER ===== */
footer {
  background: var(--iron);
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--rust), var(--gold), var(--rust));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-about {}
.footer-logo { margin-bottom: 20px; }
.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  margin-bottom: 24px;
}
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  font-weight: 700;
  transition: var(--transition);
}
.social-btn:hover { background: var(--rust); border-color: var(--rust); color: var(--white); }

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.footer-links a::before { content: '—'; color: var(--border); font-size: 0.65rem; }
.footer-links a:hover { color: var(--white); padding-left: 4px; }

.footer-legal {}
.footer-legal-item {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.footer-legal-key {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  min-width: 40px;
  flex-shrink: 0;
  padding-top: 2px;
}
.footer-legal-val {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  font-family: 'Courier New', monospace;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.65); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,18,25,0.85);
  backdrop-filter: blur(8px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
  padding: 4px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--iron);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.modal-sub { font-size: 0.88rem; color: var(--muted); margin-bottom: 28px; }

/* ===== TABS ===== */
.tabs { margin-bottom: 0; }
.tab-buttons {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #edf0f3;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn.active, .tab-btn:hover { color: var(--rust); border-bottom-color: var(--rust); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192,57,43,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(192,57,43,0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .catalog-grid { grid-template-columns: 1fr 1fr; }
  .cat-card:first-child { grid-row: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card:first-child .news-card-img { height: 200px; }
}

@media (max-width: 1100px) {
  .topbar-item:not(:first-child):not(:nth-child(2)) { display: none; }
  .nav-link { padding: 0 10px; font-size: 0.72rem; }
  .header-phone-block { display: none; }
  .logo-since { display: none; }
}

@media (max-width: 900px) {
  /* ---- HEADER MOBILE ---- */
  .header-topbar { display: none; }
  nav.main-nav { display: none; }
  .burger { display: flex; }
  .header-btn-wrap { display: none; }
  .search-btn { margin-left: auto; }

  /* Logo shrink on mobile */
  .logo-img { width: 44px; height: 44px; margin-right: 10px; }
  .logo-company { font-size: 0.82rem; letter-spacing: 0.8px; }
  .logo-type { font-size: 0.54rem; }
  .logo-divider { display: none; }
  .logo { padding-right: 0; border-right: none; }

  /* Header main inner spacing */
  .header-main-inner { min-height: 60px; padding: 0 4px; }
  .header-cta-block { gap: 4px; }

  /* ---- HERO ---- */
  #hero { padding-top: 80px; min-height: auto; padding-bottom: 60px; }
  .hero-content { max-width: 100%; }
  .hero-stats { grid-template-columns: repeat(3,1fr); gap: 16px; }
  .hero-stat-num { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* ---- SECTIONS ---- */
  .catalog-grid { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* ---- MODAL ---- */
  .modal { padding: 32px 24px; }
  .modal-overlay { padding: 16px; }

  /* ---- ADVANTAGES ---- */
  .advantages-grid { grid-template-columns: 1fr 1fr; }

  /* ---- SERVICES ---- */
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 20px; }

  /* ---- FOOTER ---- */
  .footer-bottom-inner { flex-direction: column; gap: 10px; text-align: center; }

  /* ---- MOBILE NAV CALLBACK BUTTON ---- */
  .mobile-nav-footer .btn-callback {
    display: flex !important;
    width: 100% !important;
    justify-content: center !important;
    padding: 14px 20px !important;
    font-size: 0.88rem !important;
  }
  .mobile-nav-footer .btn-callback span {
    display: block !important;
    font-size: 0.68rem !important;
    opacity: 0.75;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }

  /* Section padding */
  section { padding: 48px 0 !important; }

  /* Headings */
  .section-title { font-size: 1.6rem !important; }

  /* Hero */
  .hero-title { font-size: clamp(1.8rem, 8vw, 2.8rem) !important; }
  .hero-desc { font-size: 0.92rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero-stat { padding: 14px 10px; }
  .hero-stat-num { font-size: 1.6rem; }
  .hero-geometric { display: none; }

  /* Catalog tabs */
  .tab-buttons { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .tab-btn { white-space: nowrap; flex-shrink: 0; padding: 10px 14px; font-size: 0.72rem; }

  /* Product cards */
  .product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-card { padding: 16px 12px; }
  .product-card-title { font-size: 0.78rem; }

  /* Price list buttons */
  .price-grid { grid-template-columns: 1fr; gap: 12px; }
  .price-card { padding: 20px; }

  /* Contacts */
  .contact-card { padding: 20px; }

  /* News */
  .news-card-body { padding: 16px; }

  /* Form */
  .contact-form { padding: 24px 18px; }
  .form-input, .form-select, .form-textarea { font-size: 16px; /* prevent zoom on iOS */ }

  /* Modal */
  .modal { padding: 24px 18px; }
  .modal-title { font-size: 1.3rem; }
  .modal-form-row { grid-template-columns: 1fr; gap: 12px; }

  /* Advantages */
  .advantages-grid { grid-template-columns: 1fr; }
  .adv-card { padding: 20px; }

  /* Footer */
  .footer-grid { gap: 32px; }
  .footer-col { padding: 0; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .tab-buttons { overflow-x: auto; flex-wrap: nowrap; }

  /* Burger bigger tap area */
  .burger { padding: 10px; margin: 0 4px; }

  /* Logo even smaller */
  .logo-img { width: 38px; height: 38px; }
  .logo-company { font-size: 0.74rem; }

  /* Top ribbon wraps */
  .top-ribbon { font-size: 0.68rem; padding: 8px 40px 8px 12px; line-height: 1.5; }

  /* Search button */
  .search-btn { padding: 6px; }

  /* Product grid single column on tiny screens */
  .product-grid { grid-template-columns: 1fr; }

  /* Stat grid */
  .hero-stat-num { font-size: 1.4rem; }
  .hero-stat-label { font-size: 0.6rem; }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.divider {
  width: 40px; height: 3px;
  background: var(--rust);
  margin: 16px 0;
}
.divider.center { margin: 16px auto; }

/* ===== FLOATING MOBILE CALL BUTTON ===== */
.fab-call {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 900;
  background: var(--rust);
  color: var(--white);
  border: none;
  border-radius: 50px;
  padding: 14px 20px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(26,86,219,0.5);
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
}
.fab-call svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }
.fab-call:hover { background: var(--rust-light); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(26,86,219,0.6); }

@media (max-width: 900px) {
  .fab-call { display: flex; }
}

/* ===== TOP RIBBON ===== */
.top-ribbon {
  background: var(--rust);
  text-align: center;
  padding: 8px 24px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: var(--white);
  position: relative;
}
.top-ribbon a { text-decoration: underline; }
.top-ribbon-close {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}