:root {
    --bg:           #1c2e58;     /* основной фон — глубокий синий */
    --bg-2:         #20386e;     /* вторичный фон */
    --bg-3:         #253f80;     /* карточки, панели */
    --surface:      #2d4898;     /* поверхности */
    --border:       #3856aa;     /* границы */
    --border-bright:#4a6cc4;     /* яркие границы */
    --fg:           #dce8ff;     /* основной текст */
    --fg-dim:       #88b0ee;     /* второстепенный текст */
    --fg-muted:     #5880cc;     /* приглушённый текст */
    --accent:       #dc2626;     /* красный акцент */
    --accent-2:     #4090ff;     /* светло-синий акцент */
    --steel:        #4a6888;     /* металл на синем фоне */
    --steel-light:  #6888b8;
    --glow: 0 0 0 1px rgba(220,38,38,.4), 0 0 40px -10px rgba(220,38,38,.6);
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --display: 'Unbounded', sans-serif;
    --body: 'Manrope', -apple-system, sans-serif;
  }

  * { margin:0; padding:0; box-sizing:border-box; }
  html { scroll-behavior:smooth; }
  body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--body);
    font-weight: 400;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  /* фон с зерном и сеткой */
  body::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    z-index: 0;
  }
  body::after {
    content:'';
    position: fixed; inset:0;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.03 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    pointer-events:none;
    z-index:0;
    mix-blend-mode:overlay;
    opacity:.08;
  }

  .container { max-width: 1400px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }

  /* ===== ТОП-БАР ===== */
  .topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(28,46,88,.96);
    backdrop-filter: blur(10px);
    font-family: var(--mono);
    font-size: 12px;
    position: relative;
    z-index: 10;
  }
  .topbar-inner {
    display:flex; justify-content:space-between; align-items:center;
    padding: 10px 32px;
    color: var(--fg-dim);
  }
  .topbar-left { display:flex; gap: 24px; align-items:center; }
  .topbar-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: #22c55e; box-shadow: 0 0 8px #22c55e;
    display:inline-block; margin-right: 6px;
    animation: pulse 2s infinite;
  }
  @keyframes pulse { 50% { opacity:.5; } }
  .topbar-right { display:flex; gap: 20px; }
  .topbar-right a { color: var(--fg-dim); text-decoration:none; transition: color .2s; }
  .topbar-right a:hover { color: var(--accent); }

  /* ===== HEADER ===== */
  header {
    position: sticky;
    top: 0;
    background: rgba(28,46,88,.94);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
  }
  .header-inner {
    display:flex; align-items:center; justify-content:space-between;
    padding: 20px 32px;
    max-width: 1400px; margin: 0 auto;
  }
  .logo {
    display:flex; align-items:center; gap: 14px;
    text-decoration:none; color:var(--fg);
  }
  .logo-mark {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--accent) 0%, #991b1b 100%);
    display:flex; align-items:center; justify-content:center;
    font-family: var(--display); font-weight: 900;
    font-size: 22px; color: #fff;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 75%, 85% 100%, 0 100%);
  }
  .logo-text {
    display:flex; flex-direction:column; line-height: 1.1;
  }
  .logo-text .name {
    font-family: var(--display);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -.02em;
  }
  .logo-text .sub {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--fg-muted);
    text-transform:uppercase;
    letter-spacing: .15em;
  }

  nav ul { list-style:none; display:flex; gap: 4px; }
  nav a {
    display:inline-block;
    padding: 10px 16px;
    color: var(--fg-dim);
    text-decoration:none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    transition: all .2s;
    position: relative;
  }
  nav a:hover { color: var(--fg); background: var(--bg-3); }
  nav a.active { color: var(--accent); }

  .header-actions { display:flex; align-items:center; gap: 16px; }
  .phone-lg {
    font-family: var(--display);
    font-weight: 600;
    font-size: 16px;
    color: var(--fg);
    text-decoration:none;
    letter-spacing: -.01em;
  }
  .phone-lg span { color: var(--fg-muted); font-weight:400; font-size:13px; margin-right:4px; }

  .btn {
    display:inline-flex; align-items:center; gap: 8px;
    padding: 12px 22px;
    border-radius: 6px;
    font-family: var(--body);
    font-weight: 600;
    font-size: 14px;
    text-decoration:none;
    border: none;
    cursor: pointer;
    transition: all .25s;
    position: relative;
    overflow: hidden;
  }
  .btn-primary {
    background: var(--accent);
    color: #fff;
  }
  .btn-primary:hover {
    background: #b91c1c;
    box-shadow: var(--glow);
    transform: translateY(-1px);
  }
  .btn-ghost {
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border-bright);
  }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

  /* ===== HERO ===== */
  .hero {
    position: relative;
    padding: 80px 0 120px;
    overflow: hidden;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1.3fr .9fr;
    gap: 60px;
    align-items: center;
  }
  .hero-tag {
    display: inline-flex; align-items:center; gap: 10px;
    padding: 8px 14px;
    border: 1px solid var(--border-bright);
    border-radius: 100px;
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--fg-dim);
    margin-bottom: 32px;
  }
  .hero-tag::before {
    content:''; width: 6px; height: 6px; border-radius:50%;
    background: var(--accent); box-shadow: 0 0 8px var(--accent);
  }
  .hero h1 {
    font-family: var(--display);
    font-weight: 800;
    font-size: clamp(48px, 6.5vw, 96px);
    line-height: .95;
    letter-spacing: -.03em;
    margin-bottom: 28px;
  }
  .hero h1 .accent {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-style: italic;
    font-weight: 300;
  }
  .hero h1 .outline {
    -webkit-text-stroke: 1.5px var(--fg);
    color: transparent;
  }
  .hero p.lead {
    font-size: 18px;
    color: var(--fg-dim);
    max-width: 540px;
    margin-bottom: 40px;
    line-height: 1.55;
  }
  .hero-actions { display:flex; gap: 14px; margin-bottom: 60px; flex-wrap:wrap; }
  .hero-stats {
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
  }
  .stat {
    background: var(--bg-2);
    padding: 24px 20px;
  }
  .stat-num {
    font-family: var(--display);
    font-weight: 800;
    font-size: 36px;
    line-height: 1;
    letter-spacing: -.02em;
    margin-bottom: 6px;
  }
  .stat-num .plus { color: var(--accent); }
  .stat-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform:uppercase;
    letter-spacing: .1em;
    color: var(--fg-muted);
  }

  /* hero визуал - стопка стали */
  .hero-visual {
    position: relative;
    aspect-ratio: 1 / 1.1;
  }
  .steel-stack {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }
  .steel-bar {
    height: 24px;
    background: linear-gradient(90deg,
      #3a4554 0%,
      #6a7582 15%,
      #a8b3bf 40%,
      #8b95a3 60%,
      #5a6472 85%,
      #3a4554 100%);
    border-radius: 2px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.15);
    animation: slide 6s ease-in-out infinite;
  }
  .steel-bar::after {
    content:''; position:absolute; inset:0;
    background: linear-gradient(90deg, transparent 30%, rgba(255,255,255,.3) 50%, transparent 70%);
    animation: shine 4s ease-in-out infinite;
  }
  .steel-bar:nth-child(1) { width: 90%; animation-delay: 0s; }
  .steel-bar:nth-child(2) { width: 70%; animation-delay: .3s; }
  .steel-bar:nth-child(3) { width: 85%; animation-delay: .6s; }
  .steel-bar:nth-child(4) { width: 60%; animation-delay: .9s; }
  .steel-bar:nth-child(5) { width: 95%; animation-delay: 1.2s; }
  .steel-bar:nth-child(6) { width: 75%; animation-delay: 1.5s; }
  .steel-bar:nth-child(7) { width: 88%; animation-delay: 1.8s; }
  .steel-bar:nth-child(8) { width: 65%; animation-delay: 2.1s; }
  .steel-bar:nth-child(9) { width: 92%; animation-delay: 2.4s; }

  @keyframes slide {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
  }
  @keyframes shine {
    0%, 100% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 1; transform: translateX(100%); }
  }

  .hero-visual-badge {
    position: absolute;
    padding: 16px 20px;
    background: var(--bg-2);
    border: 1px solid var(--border-bright);
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 12px;
    z-index: 2;
    backdrop-filter: blur(10px);
  }
  .hero-visual-badge.b1 {
    top: 15%; left: -30px;
    display:flex; align-items:center; gap: 12px;
  }
  .hero-visual-badge.b1 .ico {
    width: 36px; height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display:flex; align-items:center; justify-content:center;
    font-size: 18px;
  }
  .hero-visual-badge.b1 strong { display:block; color:var(--fg); font-size:13px; }
  .hero-visual-badge.b1 span { color: var(--fg-muted); font-size: 10px; }

  .hero-visual-badge.b2 {
    bottom: 10%; right: -20px;
    color: var(--fg-dim);
  }
  .hero-visual-badge.b2 strong { color: var(--accent-2); }

  /* ===== МАРКИ СТАЛИ ТИКЕР ===== */
  .ticker {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
    overflow: hidden;
    background: var(--bg-2);
    white-space: nowrap;
  }
  .ticker-track {
    display: inline-block;
    animation: ticker 40s linear infinite;
  }
  .ticker span {
    display:inline-block;
    padding: 0 40px;
    font-family: var(--display);
    font-weight: 600;
    font-size: 32px;
    color: var(--fg-muted);
    letter-spacing: -.02em;
  }
  .ticker span i {
    color: var(--accent);
    font-style: normal;
    margin-right: 16px;
    font-size: 14px;
    vertical-align: middle;
  }
  @keyframes ticker {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
  }

  /* ===== СЕКЦИЯ ===== */
  section { padding: 120px 0; position: relative; }
  .section-head { margin-bottom: 60px; display:flex; justify-content:space-between; align-items:flex-end; gap: 40px; flex-wrap:wrap;}
  .section-head .left { flex: 1; min-width: 280px; }
  .eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .2em;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .eyebrow::before {
    content: '';
    width: 24px; height: 1px;
    background: var(--accent);
    display: inline-block;
  }
  h2 {
    font-family: var(--display);
    font-weight: 800;
    font-size: clamp(36px, 4.5vw, 64px);
    line-height: 1;
    letter-spacing: -.03em;
  }
  h2 .accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
    font-style: italic;
    font-weight: 300;
  }

  /* ===== КАТАЛОГ - BENTO ===== */
  .catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 180px;
    gap: 16px;
  }
  .cat-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all .3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
  }
  .cat-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    background: var(--bg-3);
    box-shadow: 0 8px 30px rgba(220,38,38,.08);
  }
  .cat-card .cat-num {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-muted);
    letter-spacing: .1em;
  }
  .cat-card .cat-name {
    font-family: var(--display);
    font-weight: 600;
    font-size: 22px;
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-top: auto;
  }
  .cat-card .cat-gost {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-muted);
    margin-top: 6px;
  }
  .cat-card .cat-arrow {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 32px; height: 32px;
    border: 1px solid var(--border-bright);
    border-radius: 50%;
    display:flex; align-items:center; justify-content:center;
    transition: all .25s;
  }
  .cat-card:hover .cat-arrow {
    background: var(--accent);
    border-color: var(--accent);
    transform: rotate(-45deg);
  }
  .cat-card:hover .cat-arrow svg { stroke: #fff; }
  .cat-card svg.arr { stroke: var(--fg-dim); transition: stroke .25s; }

  /* Bento разные размеры */
  .cat-card.wide { grid-column: span 2; }
  .cat-card.tall { grid-row: span 2; }
  .cat-card.featured {
    grid-column: span 2;
    grid-row: span 2;
    background: linear-gradient(135deg, #0d2568 0%, #061b52 100%);
    border-color: var(--border-bright);
  }
  .cat-card.featured .cat-name { font-size: 42px; }
  .cat-card.featured::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(220,38,38,.08), transparent 50%);
    pointer-events:none;
  }
  .cat-card.featured .bar-vis {
    display: flex; flex-direction: column; gap: 6px;
    margin-top: 20px;
  }
  .cat-card.featured .bar-vis span {
    height: 8px;
    background: linear-gradient(90deg, #3a4554, #8b95a3, #3a4554);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
  }
  .cat-card.featured .bar-vis span:nth-child(1) { width: 90%; }
  .cat-card.featured .bar-vis span:nth-child(2) { width: 70%; }
  .cat-card.featured .bar-vis span:nth-child(3) { width: 85%; }

  /* ===== КАЛЬКУЛЯТОР ===== */
  .calc-section {
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  }
  .calc-wrap {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
  }
  .calc-card {
    background: var(--bg-2);
    border: 1px solid var(--border-bright);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
  }
  .calc-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent));
  }
  .calc-row { margin-bottom: 24px; }
  .calc-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--fg-muted);
    margin-bottom: 10px;
    display: block;
  }
  .calc-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .calc-tab {
    padding: 10px 16px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: var(--body);
    font-size: 13px;
    font-weight: 500;
    color: var(--fg-dim);
    cursor: pointer;
    transition: all .2s;
  }
  .calc-tab:hover { border-color: var(--border-bright); color: var(--fg); }
  .calc-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
  }
  .calc-input {
    width: 100%;
    padding: 16px 18px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--fg);
    font-family: var(--display);
    font-weight: 600;
    font-size: 20px;
    transition: border-color .2s;
  }
  .calc-input:focus {
    outline: none;
    border-color: var(--accent);
  }
  .calc-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--bg-3);
    border-radius: 2px;
    margin: 16px 0;
  }
  .calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px; height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 0 4px rgba(220,38,38,.15);
  }
  .calc-result {
    margin-top: 32px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(220,38,38,.1), rgba(64,144,255,.08));
    border: 1px solid rgba(220,38,38,.3);
    border-radius: 12px;
  }
  .calc-result .result-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--fg-muted);
  }
  .calc-result .result-value {
    font-family: var(--display);
    font-weight: 800;
    font-size: 48px;
    letter-spacing: -.03em;
    line-height: 1;
    margin-top: 8px;
    color: var(--fg);
  }
  .calc-result .result-value .cur { color: var(--accent); }
  .calc-result .result-note {
    font-size: 12px;
    color: var(--fg-muted);
    margin-top: 10px;
  }
  .calc-info h3 {
    font-family: var(--display);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 20px;
    line-height: 1.1;
  }
  .calc-info p {
    color: var(--fg-dim);
    margin-bottom: 32px;
    font-size: 16px;
  }
  .calc-features { list-style: none; }
  .calc-features li {
    padding: 16px 0;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: start;
    gap: 16px;
  }
  .calc-features li:last-child { border-bottom: 1px solid var(--border); }
  .calc-features .idx {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-muted);
    min-width: 30px;
    padding-top: 4px;
  }
  .calc-features strong {
    font-family: var(--display);
    font-weight: 600;
    font-size: 17px;
    display: block;
    margin-bottom: 4px;
  }
  .calc-features span.desc {
    color: var(--fg-dim);
    font-size: 14px;
  }

  /* ===== УСЛУГИ ===== */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .service {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all .3s;
    position: relative;
    overflow: hidden;
  }
  .service:hover {
    border-color: var(--border-bright);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(220,38,38,.08);
  }
  .service::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 0;
    background: linear-gradient(180deg, rgba(220,38,38,.05), transparent);
    transition: height .4s;
    pointer-events: none;
  }
  .service:hover::before { height: 100%; }
  .service-ico {
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--bg-3);
    border: 1px solid var(--border-bright);
    display:flex; align-items:center; justify-content:center;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
  }
  .service:hover .service-ico {
    background: var(--accent);
    border-color: var(--accent);
  }
  .service-ico svg { width: 24px; height: 24px; stroke: var(--fg); transition: stroke .3s; }
  .service:hover .service-ico svg { stroke: #fff; }
  .service h3 {
    font-family: var(--display);
    font-weight: 600;
    font-size: 22px;
    letter-spacing: -.02em;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }
  .service p {
    color: var(--fg-dim);
    font-size: 14px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
  }

  /* ===== ПРЕИМУЩЕСТВА / СТАТЫ ===== */
  .why-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }
  .why-list { }
  .why-item {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: min-content 1fr auto;
    gap: 24px;
    align-items: center;
    transition: padding .3s;
    cursor: default;
  }
  .why-item:last-child { border-bottom: 1px solid var(--border); }
  .why-item:hover { padding-left: 12px; }
  .why-item .big-num {
    font-family: var(--display);
    font-weight: 800;
    font-size: 56px;
    line-height: 1;
    letter-spacing: -.04em;
    white-space: nowrap;
    background: linear-gradient(180deg, var(--fg), var(--fg-muted));
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
  }
  .why-item .big-num small { font-size: 24px; color: var(--accent); -webkit-text-fill-color: var(--accent); }
  .why-item .why-text strong {
    display:block;
    font-family: var(--display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -.01em;
    margin-bottom: 4px;
  }
  .why-item .why-text span {
    color: var(--fg-dim);
    font-size: 14px;
  }
  .why-item .why-arr {
    color: var(--fg-muted);
    font-size: 24px;
    transition: transform .3s, color .3s;
  }
  .why-item:hover .why-arr { color: var(--accent); transform: translateX(4px); }

  /* CTA блок справа */
  .cta-block {
    padding: 48px;
    background: linear-gradient(135deg, #0d2568 0%, #061b52 100%);
    border: 1px solid var(--border-bright);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
  }
  .cta-block::before {
    content:'';
    position:absolute;
    top:-50%; right:-30%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(220,38,38,.12), transparent 70%);
    pointer-events: none;
  }
  .cta-block h3 {
    font-family: var(--display);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.1;
    margin-bottom: 20px;
    position: relative;
  }
  .cta-block p {
    color: var(--fg-dim);
    font-size: 15px;
    margin-bottom: 28px;
    position: relative;
  }
  .cta-form { position: relative; display:flex; flex-direction:column; gap: 14px; }
  .cta-form input {
    padding: 16px 18px;
    background: var(--bg);
    border: 1px solid var(--border-bright);
    border-radius: 10px;
    color: var(--fg);
    font-family: var(--body);
    font-size: 15px;
    transition: border-color .2s;
  }
  .cta-form input:focus { outline:none; border-color: var(--accent); }
  .cta-form input::placeholder { color: var(--fg-muted); }
  .cta-form button {
    padding: 16px;
    background: var(--accent);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-family: var(--body);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all .2s;
  }
  .cta-form button:hover { background: #b91c1c; box-shadow: var(--glow); }
  .cta-fine {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-muted);
    margin-top: 12px;
    position: relative;
  }

  /* ===== КОНТАКТЫ ===== */
  .contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
  }
  .contact-card {
    padding: 28px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: all .3s;
  }
  .contact-card:hover { border-color: var(--accent); background: var(--bg-3); box-shadow: 0 4px 16px rgba(220,38,38,.08); }
  .contact-card .contact-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform:uppercase;
    letter-spacing: .15em;
    color: var(--fg-muted);
    margin-bottom: 14px;
  }
  .contact-card .contact-main {
    font-family: var(--display);
    font-weight: 600;
    font-size: 20px;
    letter-spacing: -.01em;
    line-height: 1.2;
    margin-bottom: 8px;
    color: var(--fg);
    text-decoration:none;
    display:block;
  }
  .contact-card .contact-sub {
    color: var(--fg-dim);
    font-size: 13px;
  }

  .messengers {
    display:flex;
    gap: 12px;
    flex-wrap: wrap;
  }
  .messenger {
    display:inline-flex;
    align-items:center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--fg);
    text-decoration:none;
    font-size: 14px;
    font-weight: 500;
    transition: all .2s;
  }
  .messenger:hover { border-color: var(--accent); color: var(--accent); }
  .messenger .dot {
    width: 8px; height: 8px; border-radius: 50%;
  }
  .m-tg .dot  { background: #29a9ea; box-shadow: 0 0 8px #29a9ea; }
  .m-wa .dot  { background: #25d366; box-shadow: 0 0 8px #25d366; }
  .m-vb .dot  { background: #7360f2; box-shadow: 0 0 8px #7360f2; }

  /* ===== FOOTER ===== */
  footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
    background: var(--bg-2);
    position: relative;
    z-index: 1;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }
  .footer-col h4 {
    font-family: var(--mono);
    font-size: 11px;
    text-transform:uppercase;
    letter-spacing: .15em;
    color: var(--fg-muted);
    margin-bottom: 20px;
    font-weight: 500;
  }
  .footer-col ul { list-style:none; }
  .footer-col li { margin-bottom: 10px; }
  .footer-col a {
    color: var(--fg-dim);
    text-decoration: none;
    font-size: 14px;
    transition: color .2s;
  }
  .footer-col a:hover { color: var(--accent); }
  .footer-about p {
    color: var(--fg-dim);
    font-size: 14px;
    line-height: 1.6;
    margin-top: 20px;
    max-width: 360px;
  }
  .footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--fg-muted);
    flex-wrap: wrap;
    gap: 12px;
  }

  /* floating виджет чата */
  .float-chat {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--accent);
    display:flex; align-items:center; justify-content:center;
    box-shadow: 0 10px 30px rgba(220,38,38,.4);
    cursor: pointer;
    z-index: 200;
    animation: bounce 3s ease-in-out infinite;
  }
  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
  }
  .float-chat svg { stroke: #fff; }

  /* ===== Мобильная адаптация ===== */
  @media (max-width: 1100px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { max-width: 400px; aspect-ratio: 1; }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
    .calc-wrap { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: 1fr; }
    .why-wrap { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 720px) {
    .container { padding: 0 20px; }
    section { padding: 80px 0; }
    nav, .phone-lg, .topbar { display: none; }
    .header-inner { padding: 16px 20px; }
    .hero { padding: 60px 0 80px; }
    .hero-stats { grid-template-columns: 1fr; }
    .catalog-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
    .cat-card.wide, .cat-card.tall, .cat-card.featured { grid-column: span 1; grid-row: span 1; min-height: 160px; }
    .cat-card.featured .cat-name { font-size: 28px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    h2 { font-size: 36px; }
  }