/*
Theme Name: Tecnoclima Responsive
Theme URI: https://tcgroupenergia.ru/
Description: Адаптивный шаблон для сайта ООО «ТС Груп Энергия» (Tecnoclima)
Author: TC Group Energia
Version: 1.0.0
Text Domain: tecnoclima
*/

:root {
  --primary-color: #0d47a1;
  --primary-dark: #082d69;
  --primary-light: #1976d2;
  --accent-color: #d32f2f;
  --accent-hover: #b71c1c;
  --text-main: #2c3e50;
  --text-muted: #667085;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
  --container-max: 1240px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background-color: #f1f4f8;
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
}

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

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-color);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid #eef2f6;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  gap: 20px;
}

.header-logo {
  flex-shrink: 0;
}

.header-logo img {
  max-height: 55px;
  width: auto;
}

.header-slogan {
  flex: 1;
  font-size: 12px;
  line-height: 1.4;
  color: #4b5563;
  padding: 0 15px;
  border-left: 1px solid var(--border-color);
  max-width: 480px;
}

.header-slogan strong {
  display: block;
  font-size: 13px;
  color: var(--primary-dark);
}

.header-contacts {
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: right;
  flex-shrink: 0;
}

.contact-info .tel {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  white-space: nowrap;
}

.contact-info .tel strong {
  color: var(--accent-color);
}

.contact-info .mail {
  font-size: 13px;
  color: var(--text-muted);
}

.contact-info .mail:hover {
  color: var(--primary-light);
}

.header-cta-btn {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #fff !important;
  font-weight: 600;
  font-size: 13px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  box-shadow: 0 3px 8px rgba(211, 47, 47, 0.3);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: var(--transition);
}

.header-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(211, 47, 47, 0.4);
}

/* Nav Menu */
.header-nav {
  background: var(--primary-dark);
}

.header-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main-menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.main-menu > li {
  position: relative;
}

.main-menu > li > a {
  display: block;
  padding: 13px 18px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 3px solid transparent;
}

.main-menu > li:hover > a,
.main-menu > li.current-menu-item > a {
  background: rgba(255, 255, 255, 0.1);
  border-bottom-color: var(--accent-color);
}

/* Submenu dropdown */
.main-menu ul.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  box-shadow: var(--shadow-lg);
  min-width: 230px;
  list-style: none;
  padding: 8px 0;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 100;
}

.main-menu li:hover > ul.sub-menu {
  display: block;
}

.main-menu ul.sub-menu a {
  display: block;
  padding: 8px 18px;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
}

.main-menu ul.sub-menu a:hover {
  background: var(--bg-light);
  color: var(--primary-light);
}

/* Mobile Hamburger */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #ffffff;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  padding: 60px 20px 20px;
  overflow-y: auto;
  transition: right 0.35s ease;
}

.mobile-nav-drawer.active {
  right: 0;
}

.mobile-nav-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 26px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
}

.mobile-menu {
  list-style: none;
  margin-top: 15px;
}

.mobile-menu li {
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu a {
  display: block;
  padding: 12px 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.mobile-menu a:hover {
  color: var(--accent-color);
}

.mobile-contacts {
  margin-top: 25px;
  padding-top: 15px;
  border-top: 2px solid var(--border-color);
}

.mobile-contacts a {
  display: block;
  margin-bottom: 10px;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
}

.mobile-overlay.active {
  display: block;
}

/* ==========================================================================
   Hero & Equipment Selector
   ========================================================================== */
.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, #edf2f7 100%);
  padding: 40px 0 30px;
  border-bottom: 1px solid var(--border-color);
}

.hero-header {
  text-align: center;
  margin-bottom: 30px;
}

.hero-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto;
}

/* Selector Tabs */
.equipment-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.tab-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

/* Equipment Grid */
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.equipment-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.equipment-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.card-img-wrap {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  background: #fbfcfe;
  border-radius: var(--radius-sm);
  padding: 10px;
}

.card-img-wrap img {
  max-height: 160px;
  object-fit: contain;
}

.equipment-card h3 {
  font-size: 17px;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.equipment-card p {
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 15px;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: auto;
}

.card-cta::after {
  content: "→";
  margin-left: 6px;
  transition: var(--transition);
}

.equipment-card:hover .card-cta::after {
  transform: translateX(4px);
}

/* Hero Action Bar */
.hero-action-bar {
  text-align: center;
  margin-top: 15px;
}

.btn-large {
  display: inline-block;
  background: linear-gradient(135deg, #e41b13 0%, #b71c1c 100%);
  color: #ffffff !important;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 34px;
  border-radius: 40px;
  box-shadow: 0 4px 15px rgba(228, 27, 19, 0.35);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
}

.btn-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(228, 27, 19, 0.45);
}

/* ==========================================================================
   Applications & Features Section
   ========================================================================== */
.section {
  padding: 50px 0;
}

.section-title {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 30px;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.app-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.app-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.app-item-img {
  height: 150px;
  overflow: hidden;
}

.app-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.app-item:hover .app-item-img img {
  transform: scale(1.05);
}

.app-item-content {
  padding: 15px;
}

.app-item-content h4 {
  font-size: 15px;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.app-item-content p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Rosneft Feature Block */
.partner-feature {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 35px;
  margin: 40px auto;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 35px;
}

.partner-feature-img {
  flex: 0 0 45%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.partner-feature-img img {
  width: 100%;
  height: auto;
  display: block;
}

.partner-feature-info {
  flex: 1;
}

.partner-feature-info h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 15px;
  line-height: 1.3;
}

.partner-feature-info p {
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 20px;
}

.partner-feature-info .btn-readmore {
  display: inline-block;
  background: var(--primary-color);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.partner-feature-info .btn-readmore:hover {
  background: var(--primary-dark);
}

/* Customers Grid */
.customers-section {
  background: #ffffff;
  padding: 45px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.customers-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 15px;
  align-items: center;
}

.customer-logo-box {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  transition: var(--transition);
}

.customer-logo-box:hover {
  border-color: var(--primary-light);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.customer-logo-box img {
  max-height: 50px;
  max-width: 100%;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.customer-logo-box:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Call to Action Box */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 40px 0;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  box-shadow: var(--shadow-lg);
}

.cta-banner h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.cta-banner p {
  font-size: 15px;
  color: #dbeafe;
}

.btn-white {
  background: #ffffff;
  color: var(--primary-dark) !important;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 30px;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-white:hover {
  background: var(--accent-color);
  color: #ffffff !important;
  transform: translateY(-2px);
}

/* ==========================================================================
   Inner Page Layout
   ========================================================================== */
.page-container {
  padding: 40px 0;
}

.page-content-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 35px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.breadcrumbs {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumbs a {
  color: var(--primary-color);
}

.breadcrumbs span {
  margin: 0 6px;
}

.entry-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 25px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

.entry-content {
  font-size: 15px;
  line-height: 1.7;
}

.entry-content p {
  margin-bottom: 16px;
}

.entry-content h2, .entry-content h3 {
  color: var(--primary-dark);
  margin: 25px 0 15px;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.entry-content th, .entry-content td {
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  text-align: left;
}

.entry-content th {
  background: var(--bg-light);
  font-weight: 700;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #1e293b;
  color: #94a3b8;
  padding: 45px 0 25px;
  margin-top: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 35px;
  margin-bottom: 35px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background: var(--accent-color);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 14px;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-contacts p {
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-contacts .phone {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  display: block;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-bottom a {
  color: #94a3b8;
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Modal Dialog
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(3px);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  max-width: 480px;
  width: 100%;
  padding: 30px;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 18px;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.btn-submit {
  width: 100%;
  background: var(--accent-color);
  color: #ffffff;
  font-weight: 700;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 15px;
  transition: var(--transition);
}

.btn-submit:hover {
  background: var(--accent-hover);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Tablet Landscape / Small Desktop (max-width: 1024px) */
@media (max-width: 1024px) {
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .customers-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }
}

/* Tablet Portrait (max-width: 860px) */
@media (max-width: 860px) {
  .header-slogan {
    display: none; /* Hide secondary text on tablets for neatness */
  }
  .header-nav {
    display: none; /* Switch to mobile hamburger drawer */
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .partner-feature {
    flex-direction: column;
    padding: 25px;
    gap: 20px;
  }
  .partner-feature-img {
    flex: auto;
    width: 100%;
  }
  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }
}

/* Mobile Screens (max-width: 600px) */
@media (max-width: 600px) {
  .header-top {
    padding: 10px 0;
  }
  .header-logo img {
    max-height: 42px;
  }
  .contact-info .tel {
    font-size: 15px;
  }
  .header-cta-btn {
    display: none; /* Available in mobile drawer */
  }
  .hero-title {
    font-size: 22px;
  }
  .hero-subtitle {
    font-size: 14px;
  }
  .equipment-grid {
    grid-template-columns: 1fr;
  }
  .apps-grid {
    grid-template-columns: 1fr;
  }
  .customers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .page-content-box {
    padding: 20px 15px;
  }
}