/* ==========================================================================
   СТУДИЯ КЛИМАТА — АРХИТЕКТУРНАЯ ДИЗАЙН-СИСТЕМА (2026)
   Светлые поверхности • Графитовые и темно-синие акценты • Четкая сетка
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-slate: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-navy: #1e293b;
  --bg-subtle: #e2e8f0;

  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-on-dark: #f8fafc;

  --primary: #0284c7;        /* Engineering Cyan / Sky */
  --primary-hover: #0369a1;
  --primary-subtle: #e0f2fe;

  --accent-navy: #0f172a;     /* Deep Graphite */
  --accent-blue: #2563eb;     /* Technical Blue */
  --border-color: #e2e8f0;
  --border-focus: #0284c7;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', -apple-system, sans-serif;

  /* Spacing & Layout */
  --container-max: 1240px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.12), 0 4px 8px -2px rgba(15, 23, 42, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

.section-padding {
  padding-top: 80px;
  padding-bottom: 80px;
}

.bg-slate {
  background-color: var(--bg-slate);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-navy);
  color: #ffffff;
  border-color: var(--accent-navy);
}

.btn-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent-navy);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background-color: #ffffff;
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Section Header Typography */
.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-navy);
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
}

.section-header {
  margin-bottom: 48px;
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Site Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background-color: var(--accent-navy);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-navy);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.logo-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  text-transform: uppercase;
}

.desktop-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

/* Dropdown */
.nav-item.dropdown {
  position: relative;
}

.dropdown-chevron {
  transition: transform var(--transition-fast);
}

.nav-item.dropdown:hover .dropdown-chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  width: 320px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 1010;
}

.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-slate);
}

.dropdown-title {
  font-weight: 600;
  color: var(--accent-navy);
  font-size: 0.95rem;
}

.dropdown-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--accent-navy);
}

.header-phone:hover {
  color: var(--primary);
}

.phone-icon-wrap {
  width: 32px;
  height: 32px;
  background-color: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle .bar {
  width: 24px;
  height: 2px;
  background-color: var(--accent-navy);
  transition: var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background-color: #ffffff;
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  transform: translateX(105%);
  visibility: hidden;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
  padding: 24px;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.drawer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--accent-navy);
}

.drawer-close {
  font-size: 28px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
}

.drawer-menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.drawer-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-navy);
}

.drawer-sub {
  padding-left: 14px;
}

.drawer-sub a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.drawer-footer {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
}

.drawer-phone {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.drawer-city {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.drawer-vk {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 60px;
  padding-bottom: 60px;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-main) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-slate);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-navy);
  margin-bottom: 20px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--accent-navy);
  margin-bottom: 20px;
}

.highlight-text {
  color: var(--primary);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--border-color);
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-navy);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.hero-media {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  background-color: #ffffff;
}

.hero-banner-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.hero-overlay-tag {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
}

.hero-overlay-tag .tag-title {
  font-weight: 700;
  font-size: 0.9rem;
}

.hero-overlay-tag .tag-sub {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.service-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.service-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.service-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 12px;
}

.service-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-features-list {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.service-features-list svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-navy);
  margin-top: auto;
}

.service-link:hover {
  color: var(--primary);
}

/* ==========================================================================
   Approach Section
   ========================================================================== */
.approach-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.standards-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.standard-item {
  display: flex;
  gap: 18px;
}

.std-icon {
  width: 48px;
  height: 48px;
  background-color: #ffffff;
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.std-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 4px;
}

.std-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.workflow-card {
  background-color: var(--bg-navy);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.workflow-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 16px;
}

.step-item {
  display: flex;
  gap: 18px;
  margin-bottom: 24px;
}

.step-item:last-child {
  margin-bottom: 0;
}

.step-num {
  width: 32px;
  height: 32px;
  background-color: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.step-desc strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

.step-desc p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ==========================================================================
   Portfolio Grid
   ========================================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.project-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.project-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--bg-slate);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-img {
  transform: scale(1.03);
}

.project-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.project-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 8px;
  line-height: 1.3;
}

.project-title a:hover {
  color: var(--primary);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.project-date {
  color: var(--text-light);
}

.project-more {
  font-weight: 600;
  color: var(--primary);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 20px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--accent-navy);
  color: #ffffff;
  border-color: var(--accent-navy);
}

/* ==========================================================================
   News Feed
   ========================================================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.news-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.news-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.news-category-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--primary-subtle);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
}

.news-date {
  font-size: 0.82rem;
  color: var(--text-light);
}

.news-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 10px;
  line-height: 1.35;
}

.news-card-title a:hover {
  color: var(--primary);
}

.news-card-lead {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.news-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.source-tag {
  color: var(--text-light);
}

.news-read-link {
  font-weight: 600;
  color: var(--primary);
}

/* ==========================================================================
   News Page Layout & Feed
   ========================================================================== */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.news-controls {
  margin-bottom: 32px;
}

.news-search-form {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.news-category-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cat-pill {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  color: var(--text-muted);
}

.cat-pill:hover, .cat-pill.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.news-feed {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-feed-item {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.news-feed-meta {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
}

.news-feed-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 12px;
  line-height: 1.3;
}

.news-feed-title a:hover {
  color: var(--primary);
}

.news-feed-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.55;
}

.news-feed-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.source-badge {
  color: var(--text-muted);
}

.read-more-btn {
  font-weight: 600;
  color: var(--primary);
}

/* ==========================================================================
   Contact Form & Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

.phone-highlight {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.c-info-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.c-info-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-navy);
}

.contact-form-wrap {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-navy);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: var(--bg-slate);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 22px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-consent input {
  margin-top: 3px;
}

.form-consent a {
  color: var(--primary);
  text-decoration: underline;
}

.form-status-msg {
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-status-msg.success {
  display: block;
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status-msg.error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   Page Headers & Breadcrumbs
   ========================================================================== */
.page-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 44px 0;
}

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

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

.page-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-navy);
  line-height: 1.25;
  margin-bottom: 10px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 720px;
}

.sync-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  background-color: var(--bg-slate);
  padding: 6px 12px;
  border-radius: 14px;
  color: var(--text-muted);
  margin-top: 14px;
}

.sync-dot {
  width: 6px;
  height: 6px;
  background-color: #10b981;
  border-radius: 50%;
}

/* ==========================================================================
   Detail Pages (Services, Projects, News)
   ========================================================================== */
.service-detail-grid, .project-detail-grid, .news-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
}

.sidebar-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.sidebar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 14px;
}

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

.sidebar-links a {
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 500;
}

.sidebar-links a:hover {
  color: var(--primary);
}

.tech-box {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-top: 28px;
}

.tech-box-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 18px;
}

.tech-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tech-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.tech-list svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.equipment-notice {
  margin-top: 24px;
  padding: 20px;
  background-color: var(--primary-subtle);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
}

.equipment-notice h4 {
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 4px;
}

.source-attribution-card {
  display: flex;
  gap: 18px;
  background-color: var(--bg-slate);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-top: 32px;
  align-items: flex-start;
}

.attr-icon {
  font-size: 1.5rem;
}

.version-history-box {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
}

.version-history-box h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.version-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.page-link {
  padding: 8px 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--accent-navy);
}

.page-link:hover {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.page-current {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  margin-top: auto;
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo .logo-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.05em;
}

.footer-logo .logo-sub {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.08em;
  font-weight: 600;
  display: block;
  margin-bottom: 14px;
}

.footer-text {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 20px;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.f-badge {
  font-size: 0.75rem;
  background-color: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: var(--text-light);
  font-size: 0.9rem;
}

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

.f-contact-item {
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.f-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.f-value {
  color: #ffffff;
  font-weight: 600;
}

.f-value.phone-val {
  font-size: 1.15rem;
  color: var(--primary);
}

.f-vk-link {
  color: #60a5fa;
  font-weight: 600;
}

.footer-bottom {
  background-color: #090d16;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
}

.disclaimer-note {
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.copyright-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.copyright-line a {
  color: var(--text-muted);
}

.copyright-line a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .approach-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .service-detail-grid, .project-detail-grid, .news-detail-layout, .news-layout {
    grid-template-columns: 1fr;
  }
}




/* Overflow protection */
html, body {
  width: 100%; max-width: 100%;
  overflow-x: hidden;
}

.hero-title, .section-title, .page-title {
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}

@media (max-width: 768px) {
  .hero-cta-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-cta-group .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  *, *::before, *::after {
    box-sizing: border-box;
  }
  body {
    position: relative;
    width: 100%;
    overflow-x: hidden;
  }
  .container {
    width: 100%;
    max-width: 100%;
    padding-left: 14px;
    padding-right: 14px;
    box-sizing: border-box;
  }
  .site-header {
    width: 100%;
    overflow: hidden;
  }
  .site-header .header-inner {
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1 1 auto;
    min-width: 0;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }
  .logo-icon svg {
    width: 18px;
    height: 18px;
  }
  .logo-text {
    min-width: 0;
    flex: 1 1 auto;
  }
  .logo-name {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .logo-tag {
    font-size: 0.55rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
    margin-left: auto;
  }
  .desktop-nav {
    display: none !important;
  }
  .mobile-toggle {
    display: flex !important;
    padding: 4px;
  }
  .header-cta {
    display: none !important;
  }
  .header-phone .phone-number {
    display: none !important;
  }
  .phone-icon-wrap {
    width: 32px;
    height: 32px;
  }
  .hero-section {
    padding-top: 36px;
    padding-bottom: 36px;
    width: 100%;
    overflow: hidden;
  }
  .hero-title {
    font-size: 1.55rem;
    line-height: 1.25;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .hero-desc {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .services-grid, .portfolio-grid, .news-grid {
    grid-template-columns: 1fr !important;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .section-padding {
    padding-top: 40px;
    padding-bottom: 40px;
  }
}

@media (max-width: 360px) {
  .logo-name {
    font-size: 0.88rem;
  }
  .logo-tag {
    display: none;
  }
  .hero-title {
    font-size: 1.5rem;
  }
}


@media (max-width: 900px) {
  .desktop-nav {
    display: none !important;
  }
  .mobile-toggle {
    display: flex !important;
  }
  .header-cta {
    display: none !important;
  }
  .header-phone .phone-number {
    display: none !important;
  }
  .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-shrink: 0 !important;
  }
  .brand-logo {
    max-width: calc(100% - 90px) !important;
    overflow: hidden !important;
  }
  .logo-text {
    min-width: 0 !important;
    overflow: hidden !important;
  }
  .logo-name {
    font-size: 0.95rem !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    overflow: hidden !important;
  }
  .logo-tag {
    font-size: 0.58rem !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    overflow: hidden !important;
  }
}


/* ==========================================================================
   Services List Page Styles
   ========================================================================== */
.services-list-vertical {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.service-detail-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.service-detail-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.service-num-lg {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-block;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.service-lg-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 14px;
}

.service-lg-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 900px;
}

.service-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 28px;
  padding: 28px;
  background-color: var(--bg-slate);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.service-columns h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 14px;
}

.service-columns ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-columns li {
  font-size: 0.92rem;
  color: var(--text-main);
  position: relative;
  padding-left: 20px;
  line-height: 1.45;
}

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

.equipment-box {
  background-color: #f0f9ff;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: #0369a1;
  margin-bottom: 28px;
}

.service-card-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-cta-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-cta-group .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  .service-detail-card {
    padding: 24px;
  }
  .service-lg-title {
    font-size: 1.45rem;
  }
  .service-columns {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 18px;
  }
}


/* ==========================================================================
   Archive & Inner Pages Styles
   ========================================================================== */
.archive-years-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.year-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-normal);
}

.year-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.year-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-navy);
  line-height: 1;
}

.year-count {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.year-btn {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 10px;
}

.active-year {
  color: var(--primary) !important;
  font-weight: 700;
}

/* About Page */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
}

.about-main-text h2 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 16px;
}

.about-main-text h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-top: 36px;
  margin-bottom: 20px;
}

.about-main-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.p-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.p-card h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 8px;
}

.p-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.about-cta-box {
  background-color: var(--bg-navy);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-top: 40px;
}

.about-cta-box h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: #ffffff;
  margin-top: 0;
  margin-bottom: 10px;
}

.about-cta-box p {
  color: var(--text-light);
  margin-bottom: 24px;
}

/* Contacts Page */
.contact-page-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card-item {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-card-item .c-icon {
  font-size: 2rem;
  line-height: 1;
}

.contact-card-item h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-bottom: 6px;
}

.phone-link-big {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.email-link-big, .vk-link-big {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent-blue);
  display: block;
}

.loc-val {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-navy);
}

.c-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Privacy Page */
.privacy-content {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.privacy-content h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-navy);
  margin-top: 28px;
  margin-bottom: 12px;
}

.privacy-content p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.privacy-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.privacy-content li {
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .about-grid, .contact-page-grid {
    grid-template-columns: 1fr;
  }
  .principles-grid {
    grid-template-columns: 1fr;
  }
  .privacy-content {
    padding: 24px;
  }
}