:root {
    --primary: #1062FE;
    --primary-hover: #084ED5;
    --accent: #FF7A00;
    --accent-hover: #E56A00;
    --dark: #121A26;
    --light: #F4F7FB;
    --white: #FFFFFF;
    --gray: #64748B;
    --border: #E2E8F0;
    --success: #16A34A;
    --radius: 12px;
    --shadow: 0 10px 25px -5px rgba(16, 98, 254, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  }
  
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.6;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  a {
    color: inherit;
    text-decoration: none;
    transition: 0.2s ease;
  }
  
  /* Верхняя полоса */
  .top-bar {
    background: var(--dark);
    color: #94A3B8;
    font-size: 13px;
    padding: 8px 0;
  }
  .top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }
  .top-bar__socials a {
    margin-left: 12px;
    color: #CBD5E1;
    font-weight: 500;
  }
  .top-bar__socials a:hover {
    color: var(--accent);
  }
  
  /* Шапка */
  .header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
  }
  .header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .logo__badge {
    font-size: 26px;
  }
  .logo__title {
    display: block;
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
  }
  .logo__desc {
    display: block;
    font-size: 11px;
    color: var(--gray);
  }
  .nav {
    display: flex;
    gap: 24px;
  }
  .nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
  }
  .nav__link:hover, .nav__link.active {
    color: var(--primary);
  }
  .header__cta {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .phone-link {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
  }
  .phone-link:hover {
    color: var(--primary);
  }
  .burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
  }
  .burger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--dark);
  }
  
  /* Кнопки */
  .btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .btn--primary {
    background: var(--primary);
    color: var(--white);
  }
  .btn--primary:hover {
    background: var(--primary-hover);
  }
  .btn--secondary {
    background: #EBF2FE;
    color: var(--primary);
  }
  .btn--secondary:hover {
    background: #DCE8FD;
  }
  .btn--accent {
    background: var(--accent);
    color: var(--white);
  }
  .btn--accent:hover {
    background: var(--accent-hover);
  }
  .btn--lg {
    padding: 14px 28px;
    font-size: 16px;
  }
  .btn--block {
    width: 100%;
  }
  
  /* Hero Секция */
  .hero {
    padding: 60px 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #EDF4FF 100%);
  }
  .hero__inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
  }
  .pill {
    display: inline-block;
    background: #E0ECFF;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
  }
  .hero__title {
    font-size: 40px;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 16px;
  }
  .hero__lead {
    font-size: 17px;
    color: var(--gray);
    margin-bottom: 24px;
  }
  .hero__features {
    list-style: none;
    margin-bottom: 28px;
  }
  .hero__features li {
    font-weight: 600;
    margin-bottom: 8px;
    color: #1E293B;
  }
  .hero__buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
  }
  .hero__trust {
    font-size: 13px;
    color: var(--gray);
  }
  
  /* Карточка быстрой формы в Hero */
  .quick-form-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
  }
  .quick-form-card h3 {
    font-size: 20px;
    margin-bottom: 6px;
  }
  .quick-form-card p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
  }
  .lead-form input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
  }
  .form-disclaimer {
    display: block;
    font-size: 11px;
    color: #94A3B8;
    margin-top: 10px;
    text-align: center;
  }
  
  /* Секции общие */
  .section {
    padding: 70px 0;
  }
  .section--light {
    background-color: var(--light);
  }
  .section--accent {
    background-color: #0F172A;
    color: var(--white);
  }
  .section-head {
    margin-bottom: 45px;
  }
  .section-head h2 {
    font-size: 32px;
    font-weight: 700;
    margin-top: 6px;
  }
  .section-head p {
    color: var(--gray);
    font-size: 16px;
  }
  .section-tag {
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .text-center {
    text-align: center;
  }
  
  /* Сетка карточек */
  .grid {
    display: grid;
    gap: 24px;
  }
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
  }
  .card__icon {
    font-size: 32px;
    margin-bottom: 14px;
  }
  .card h3 {
    font-size: 19px;
    margin-bottom: 10px;
  }
  .card p {
    font-size: 14px;
    color: var(--gray);
  }
  
  /* Калькулятор */
  .calc-wrapper {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 30px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
  }
  .calc-group {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }
  .calc-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
  }
  .calc-group__label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 15px;
  }
  .calc-badge {
    background: #EBF2FE;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
  }
  .counter-box {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .counter-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: var(--light);
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    border-radius: 6px;
  }
  .counter-box input {
    width: 70px;
    height: 40px;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    border: 1px solid var(--border);
    border-radius: 6px;
  }
  .calc-hint {
    font-size: 12px;
    color: var(--gray);
    margin-top: 6px;
  }
  .calc-summary {
    background: var(--light);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
  .calc-summary h3 {
    font-size: 18px;
    color: var(--gray);
  }
  .calc-summary__price {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin: 12px 0;
  }
  .calc-summary__details {
    font-size: 14px;
    color: #475569;
    margin-bottom: 24px;
    min-height: 44px;
  }
  
  /* Таблица цен */
  .table-responsive {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }
  .price-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
  }
  .price-table th, .price-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
  }
  .price-table th {
    background: #F8FAFC;
    font-weight: 600;
  }
  
  /* Шаги */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .step-item {
    position: relative;
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }
  .step-item__num {
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: var(--white);
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
  }
  .step-item h4 {
    font-size: 17px;
    margin-bottom: 8px;
  }
  .step-item p {
    font-size: 13px;
    color: var(--gray);
  }
  
  /* Блок заявки */
  .order-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }
  .order-box__info h2 {
    font-size: 32px;
    margin-bottom: 16px;
  }
  .order-box__info p {
    color: #94A3B8;
    margin-bottom: 20px;
  }
  .direct-contacts p {
    margin-bottom: 8px;
    color: var(--white);
  }
  .direct-contacts a {
    color: var(--accent);
  }
  .order-box__form-wrap {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius);
    color: var(--dark);
  }
  .form-group {
    margin-bottom: 14px;
  }
  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
  }
  .form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
  }
  .form-status {
    margin-top: 14px;
    font-size: 14px;
    text-align: center;
    font-weight: 600;
  }
  .form-status.success {
    color: var(--success);
  }
  .form-status.error {
    color: #DC2626;
  }
  
  /* Футер */
  .footer {
    background: #0B0F19;
    color: #94A3B8;
    padding-top: 60px;
    font-size: 14px;
  }
  .footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  .logo--footer .logo__title {
    color: var(--white);
  }
  .footer__text {
    margin: 16px 0;
  }
  .footer__legal {
    font-size: 12px;
    color: #64748B;
    border-left: 2px solid #334155;
    padding-left: 12px;
  }
  .footer__col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 16px;
  }
  .footer__menu {
    list-style: none;
  }
  .footer__menu li {
    margin-bottom: 8px;
  }
  .footer__phone a {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
  }
  .footer__socials a {
    margin-right: 12px;
    color: var(--accent);
  }
  .footer__bottom {
    border-top: 1px solid #1E293B;
    padding: 16px 0;
    text-align: center;
    font-size: 12px;
  }
  
  /* Мобильная адаптивность */
  @media (max-width: 992px) {
    .hero__inner, .calc-wrapper, .order-box, .footer__inner {
      grid-template-columns: 1fr;
    }
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .grid--3 {
      grid-template-columns: 1fr;
    }
    .nav, .header__cta {
      display: none;
    }
    .burger {
      display: flex;
    }
    .nav.active {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 76px;
      left: 0;
      width: 100%;
      background: var(--white);
      padding: 20px;
      box-shadow: var(--shadow);
    }
  }

  /* Страничные шапки */
.page-hero {
    padding: 50px 0 40px;
    background: linear-gradient(135deg, #F8FAFC 0%, #EEF4FF 100%);
    border-bottom: 1px solid var(--border);
  }
  .page-hero__title {
    font-size: 36px;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 12px;
  }
  .page-hero__subtitle {
    font-size: 16px;
    color: var(--gray);
    max-width: 800px;
    margin-bottom: 24px;
  }
  
  /* Плашки цен на втором экране */
  .hero-price-strip {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .price-chip {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
  }
  .price-chip--highlight {
    border-color: var(--primary);
    background: #F0F6FF;
  }
  .price-chip__label {
    font-size: 12px;
    color: var(--gray);
    font-weight: 500;
  }
  .price-chip__val {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
  }
  
  /* Баннер АРШИН */
  .arshin-banner {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 30px;
    align-items: center;
  }
  .arshin-banner h2 {
    font-size: 26px;
    margin-bottom: 14px;
  }
  .arshin-banner p {
    color: #475569;
    margin-bottom: 16px;
    font-size: 15px;
  }
  .check-list {
    list-style: none;
  }
  .check-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    font-size: 14px;
    color: #334155;
  }
  .check-list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 800;
  }
  .arshin-banner__badge {
    background: #F8FAFC;
    border: 2px dashed #CBD5E1;
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
  }
  .badge-icon {
    font-size: 40px;
    margin-bottom: 10px;
  }
  .badge-text strong {
    display: block;
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 6px;
  }
  .badge-text span {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.4;
    display: block;
  }
  
  /* Блоки с интервалами */
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .info-box h3 {
    font-size: 20px;
    margin-bottom: 8px;
  }
  .interval-time {
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 10px;
  }
  
  /* Карточка услуги (замена/сантехника) */
  .service-detail-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
  }
  .service-detail-card__tag {
    display: inline-block;
    background: #E2E8F0;
    color: var(--dark);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .service-detail-card h2 {
    font-size: 24px;
    margin-bottom: 12px;
  }
  .price-callout {
    margin: 16px 0 20px;
    padding: 12px 16px;
    background: #F1F5F9;
    border-radius: 8px;
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
  .price-callout__price {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
  }
  .price-callout__desc {
    font-size: 13px;
    color: var(--gray);
  }
  .tags-group {
    display: flex;
    gap: 10px;
    margin-top: 8px;
  }
  .tag-link {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 6px;
    font-size: 13px;
  }
  .tag-link:hover {
    background: var(--accent);
  }
  
  @media (max-width: 992px) {
    .arshin-banner, .grid--2 {
      grid-template-columns: 1fr;
    }
  }

  /* Стили для таблицы цен и карточек */
.price-section-head {
    margin-bottom: 24px;
  }
  .price-section-head h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
  }
  .price-section-head p {
    color: var(--gray);
    font-size: 14px;
  }
  .price-table--featured tr.row--highlight {
    background-color: #F0F6FF;
  }
  .table-price {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
  }
  .table-price--accent {
    color: var(--accent);
  }
  .text-muted {
    color: var(--gray);
    font-size: 12px;
  }
  
  .price-service-card h4 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--dark);
    border-bottom: 2px solid var(--border);
    padding-bottom: 8px;
  }
  .clean-price-list {
    list-style: none;
  }
  .clean-price-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
  }
  .clean-price-list li:last-child {
    border-bottom: none;
  }
  .clean-price-list strong {
    color: var(--primary);
  }
  
  /* Стили карточек контактов */
  .contact-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    box-shadow: var(--shadow);
  }
  .contact-card__icon {
    font-size: 36px;
    margin-bottom: 12px;
  }
  .contact-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .contact-card__main {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
  }
  .contact-card__sub {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.5;
  }
  .social-buttons-box {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
  }
  .social-btn {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
  }
  .social-btn--tg { background-color: #229ED9; }
  .social-btn--vk { background-color: #0077FF; }
  .social-btn--max { background-color: #FF5500; }
  .social-btn:hover { opacity: 0.9; }
  
  /* Зона обслуживания */
  .coverage-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
  }
  .coverage-group h3 {
    font-size: 18px;
    margin-bottom: 14px;
  }
  .district-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .district-pill {
    background: #EBF2FE;
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
  }
  .district-pill--region {
    background: #F1F5F9;
    color: #334155;
    border: 1px solid var(--border);
  }
  .coverage-note {
    font-size: 12px;
    color: var(--gray);
    margin-top: 12px;
  }
  .map-container {
    margin-top: 20px;
    box-shadow: var(--shadow);
    border-radius: 12px;
    overflow: hidden;
  }