:root {
  --primary-color: #d32f2f;
  --text-color: #333;
  --header-bg: rgba(255, 255, 255, 0.98);
}

/* ========== БАЗОВЫЕ СТИЛИ ========== */
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  padding-top: 140px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== ХЕДЕР ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--header-bg);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid #eee;
}

.logo {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-color);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}

.contact-info {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
}

.contact-info a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  font-size: 16px;
  white-space: nowrap;
}

.contact-info a.phone-link {
  color: var(--primary-color);
  font-weight: 800;
  font-size: 18px;
}

.btn-request {
  background: var(--primary-color);
  color: #fff;
  padding: 12px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  transition: 0.3s;
  white-space: nowrap;
}

.header-bottom {
  padding: 10px 0;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
}

.main-nav a {
  text-decoration: none;
  color: #444;
  font-weight: 600;
  font-size: 18px;
}

.main-nav a:hover {
  color: var(--primary-color);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--text-color);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  width: 25px;
  height: 3px;
  background: var(--text-color);
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

/* ========== ОСНОВНОЙ КОНТЕНТ ========== */
main {
  padding: 40px 0;
  min-height: 80vh;
}

footer {
  font-size: clamp(10px, 2vw + 10px, 12px);
  background: #222;
  color: #fff;
  padding: 15px 0;
  text-align: center;
  line-height: 1;
}

a {
  text-decoration: none;
  color: #d32f2f;
}

img,
.responsive-img {
  max-width: 100%;
  height: auto;
  display: block;
}

.responsive-img {
  margin: 20px auto;
}

/* ========== ФОРМА ОБРАТНОЙ СВЯЗИ ========== */
.feedback-form {
  max-width: 600px;
  width: calc(100% - 30px);
  margin: 20px auto;
  padding: 20px;
  background: #f9f9f9;
  border-radius: 8px;
  box-sizing: border-box;
}

.form-group {
  margin-bottom: 15px;
  text-align: left;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 2px;
  color: #333;
  font-size: 14px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
  font-size: 16px;
  box-sizing: border-box;
}

.btn-submit {
  background: #d32f2f;
  color: white;
  border: none;
  padding: 15px 20px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  width: 100%;
  transition: background 0.3s;
  -webkit-appearance: none;
}

.btn-submit:hover {
  background: #b54646;
}

/* ========== КАРУСЕЛЬ ========== */
.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border: none;
  padding: 15px;
  cursor: pointer;
  font-size: 20px;
  border-radius: 50%;
  transition: 0.3s;
  z-index: 10;
}

.carousel-prev {
  left: 20px;
}

.carousel-next {
  right: 20px;
}

.carousel-prev:hover,
.carousel-next:hover {
  background: #dc5959;
}

.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: 0.3s;
}

.dot.active {
  background: #dc5959;
  width: 25px;
  border-radius: 10px;
}

/* ========== ПРЕИМУЩЕСТВА ========== */
.benefits-section {
  padding: 20px 0;
  background: #fdfdfd;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 20px;
}

.benefit-item {
  background: white;
  border: 1px solid #eee;
  padding: 30px 25px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.benefit-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: #d32f2f;
  transform: scaleX(0);
  transition: 0.3s;
}

.benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  border-color: #d32f2f;
}

.benefit-item:hover::before {
  transform: scaleX(1);
}

.benefit-item b {
  color: #dc5959;
  font-size: 20px;
  display: block;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.benefit-item p {
  font-size: 15px;
  line-height: 1.6;
  color: #555;
  margin: 0;
}

/* ========== СТРАНИЦА УСЛУГ ========== */
.services-page {
  padding: 40px 0;
}

.page-title {
  text-align: center;
  font-size: 38px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-subtitle {
  text-align: center;
  font-size: 18px;
  color: #666;
  margin-bottom: 50px;
}

.service-item {
  margin-bottom: 60px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: 0.3s;
}

.service-item:hover {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.service-item-inner {
  display: flex;
  gap: 40px;
  padding: 40px;
  align-items: center;
}

.service-text {
  flex: 1.2;
}

.service-icon {
  font-size: 44px;
  margin-bottom: 15px;
}

.service-title {
  font-size: 26px;
  color: #222;
  margin-bottom: 15px;
  border-left: 4px solid var(--primary-color);
  padding-left: 15px;
}

.service-desc {
  font-size: 16px;
  line-height: 1.5;
  color: #555;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.service-list li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 15px;
  color: #444;
}

.service-list li::before {
  content: "✓";
  color: var(--primary-color);
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 6px;
}

.service-btn {
  display: inline-block;
  background: var(--primary-color);
  color: #fff;
  padding: 10px 24px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: 0.3s;
}

.service-btn:hover {
  background: #b71c1c;
}

.service-gallery {
  flex: 1;
}

.service-img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.service-placeholder {
  background: #f5f5f5;
  border-radius: 12px;
  padding: 60px 20px;
  text-align: center;
  color: #999;
}

.service-placeholder span {
  font-size: 48px;
  display: block;
  margin-bottom: 10px;
}

/* Простая карусель */
.simple-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.carousel-images {
  display: flex;
  transition: transform 0.4s ease;
}

.carousel-img {
  min-width: 100%;
  flex-shrink: 0;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  transition: 0.3s;
}

.carousel-btn:hover {
  background: var(--primary-color);
}

.prev {
  left: 10px;
}

.next {
  right: 10px;
}

/* ========== СТРАНИЦА КОНТАКТОВ ========== */
.contacts-page {
  padding: 30px 0;
}

.contacts-cards {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.contact-card {
  flex: 1;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 20px;
  transition: 0.3s;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
  border-color: var(--primary-color);
}

.contact-card h3 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 15px;
  padding-bottom: 6px;
  border-bottom: 2px solid #f0f0f0;
}

.contact-card p {
  margin: 10px 0;
  line-height: 1.5;
  color: #444;
  font-size: 14px;
}

.contact-phone {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
}

.work-schedule {
  list-style: none;
  padding: 0;
  margin: 0 0 15px 0;
}

.work-schedule li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed #f0f0f0;
  font-size: 14px;
}

.shipment {
  background: #fef6f6;
  padding: 8px;
  border-radius: 10px;
  text-align: center;
  font-size: 14px;
  margin: 10px 0;
}

.note {
  font-size: 11px;
  color: #888;
  margin-top: 10px;
}

.requisites-block {
  background: #fafafa;
  border-radius: 16px;
  padding: 18px 20px;
  margin-bottom: 40px;
  border: 1px solid #eee;
  text-align: center;
  transition: 0.3s;
}

.requisites-block:hover {
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
  border-color: var(--primary-color);
}

.requisites-block h3 {
  font-size: 18px;
  color: var(--primary-color);
  margin: 0 0 12px 0;
}

.requisites-line,
.bank-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
  margin-bottom: 10px;
}

.requisites-line span,
.bank-line span {
  font-size: 13px;
  background: #fff;
  padding: 4px 12px;
  border-radius: 30px;
  border: 1px solid #e0e0e0;
  white-space: nowrap;
}

.bank-name,
.legal-address {
  font-size: 13px;
  color: #555;
  margin-top: 8px;
}

.map-block {
  margin-top: 20px;
}

.map-block h3 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 12px;
}

/* ========== АДАПТИВНОСТЬ ========== */

/* Планшеты (до 1024px) */
@media (max-width: 1024px) {
  body {
    padding-top: 120px;
  }

  .logo {
    font-size: 18px;
    white-space: normal;
    max-width: 120px;
  }

  .contact-info {
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 2px;
  }

  .contact-info a {
    font-size: 12px;
  }

  .contact-info a.phone-link {
    font-size: 14px;
  }

  .header-actions {
    gap: 10px;
  }

  .btn-request {
    padding: 8px 12px;
    font-size: 10px;
  }

  .header-bottom {
    display: none;
  }

  .header-bottom.is-open,
  .header-bottom[style*="display: block"] {
    display: block !important;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .main-nav a {
    font-size: 18px;
  }

  .menu-toggle {
    display: block;
  }

  .contacts-cards {
    gap: 15px;
  }
}

/* Телефоны (до 768px) */
@media (max-width: 768px) {
  body {
    padding-top: 160px;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .benefit-item {
    padding: 15px;
  }

  .feedback-form {
    padding: 15px;
  }

  .service-item-inner {
    flex-direction: column;
    padding: 25px;
    gap: 25px;
  }

  .page-title {
    font-size: 28px;
  }

  .page-subtitle {
    font-size: 16px;
  }

  .service-title {
    font-size: 22px;
  }

  .service-icon {
    font-size: 36px;
  }

  .service-list li {
    font-size: 14px;
  }

  .carousel-btn {
    width: 30px;
    height: 30px;
    font-size: 20px;
  }

  .contacts-cards {
    flex-direction: column;
    gap: 12px;
  }

  .requisites-line,
  .bank-line {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .requisites-line span,
  .bank-line span {
    white-space: normal;
    word-break: break-all;
  }
}

/* Узкие телефоны (до 500px) */
@media (max-width: 500px) {
  body {
    padding-top: 200px;
  }

  .header-top {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .logo {
    font-size: 22px !important;
    text-align: center;
    white-space: normal !important;
  }

  .header-actions {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
  }

  .contact-info {
    flex-direction: row !important;
    justify-content: center;
    gap: 12px !important;
  }

  .contact-info a {
    font-size: 11px !important;
  }

  .contact-info a.phone-link {
    font-size: 14px !important;
  }

  .btn-request {
    padding: 8px 12px !important;
    font-size: 10px !important;
  }

  .menu-toggle {
    margin: 0 auto;
  }

  .header-top + div {
    text-align: center;
    font-size: 10px !important;
    padding: 6px;
    line-height: 1.3;
  }

  .contacts-page {
    padding-top: 10px;
  }

  .contact-card {
    margin-bottom: 8px;
    padding: 12px;
  }

  .requisites-block {
    padding: 12px;
    margin-bottom: 20px;
  }
}

/* Очень узкие телефоны (до 380px) */
@media (max-width: 380px) {
  body {
    padding-top: 220px;
  }

  .logo {
    font-size: 18px !important;
  }

  .contact-info a {
    font-size: 10px !important;
  }

  .contact-info a.phone-link {
    font-size: 12px !important;
  }

  .btn-request {
    padding: 6px 10px !important;
    font-size: 9px !important;
  }
}
/* ========== ДОПОЛНИТЕЛЬНАЯ НАСТРОЙКА ДЛЯ СРЕДНИХ РАЗРЕШЕНИЙ ========== */

/* Для экранов от 769px до 1024px (планшеты и малые ПК) */
@media (min-width: 769px) and (max-width: 1024px) {
  body {
    padding-top: 95px !important;
  }
}

/* Для экранов от 500px до 768px (большие телефоны) */
@media (min-width: 500px) and (max-width: 768px) {
  body {
    padding-top: 90px !important;
  }
}

/* Для экранов от 400px до 499px (средние телефоны) */
@media (min-width: 400px) and (max-width: 499px) {
  body {
    padding-top: 200px !important;
  }
}

/* ========== УМЕНЬШЕНИЕ ТЕКСТА В ТЕМАТИЧЕСКОЙ СТРОКЕ НА МОБИЛЬНЫХ ========== */
@media (max-width: 768px) {
  /* Строка под хедером с красным текстом */
  .header-top + div {
    font-size: 10px !important;
    line-height: 1.3;
    padding: 5px 8px;
  }
  
  /* Тематическая строка на каждой странице (внутри main) */
  main .container > div:first-child {
    font-size: 11px !important;
    line-height: 1.4;
  }
}

/* Для очень узких телефонов (до 480px) — ещё меньше */
@media (max-width: 480px) {
  main .container > div:first-child {
    font-size: 9px !important;
  }
}

/* ========== ФИКС ПОДСВЕТКИ КНОПОК ========== */
.btn-request,
.btn-price,
.service-card-btn,
.catalog-btn,
.service-btn,
.btn-submit {
  transition: all 0.3s ease !important;
}

.btn-request:hover,
.btn-price:hover,
.service-card-btn:hover,
.catalog-btn:hover,
.service-btn:hover,
.btn-submit:hover {
  background-color: #b71c1c !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

/* Особо для кнопки "Запросить цену и наличие" */
.btn-request {
  background: var(--primary-color) !important;
  color: #fff !important;
}

.btn-request:hover {
  background: #b71c1c !important;
  color: #fff !important;
}