/* ==========================================================================
   prava-hel.sbs - Strict Legal & Business Design System (2026)
   Palette: White, Deep Navy (#0f2b48), Graphite Text (#1e293b), State Gold (#c2882a)
   Zero Emojis. Pure SVG Icons. Mobile-First Responsive Architecture.
   ========================================================================== */

/* 1. CSS Custom Properties / Tokens */
:root {
  --color-primary: #0f2b48;
  --color-primary-dark: #091b2e;
  --color-primary-light: #1b3d64;
  --color-accent-blue: #0284c7;
  --color-accent-blue-hover: #0369a1;
  --color-accent-gold: #c2882a;
  --color-accent-gold-hover: #a16e1e;
  --color-success: #15803d;
  --color-success-bg: #f0fdf4;
  --color-warning-bg: #fffbeb;
  --color-danger: #b91c1c;

  --color-text-main: #1e293b;
  --color-text-muted: #475569;
  --color-text-light: #64748b;
  --color-text-inverse: #ffffff;

  --color-bg-main: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-subtle: #f1f5f9;
  --color-bg-dark: #091b2e;

  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;
  --color-border-focus: #0f2b48;

  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --shadow-sm: 0 1px 2px 0 rgba(15, 43, 72, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 43, 72, 0.08), 0 2px 4px -2px rgba(15, 43, 72, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 43, 72, 0.1), 0 4px 6px -4px rgba(15, 43, 72, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 43, 72, 0.12), 0 8px 10px -6px rgba(15, 43, 72, 0.05);

  --container-max: 1240px;
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.25s ease-in-out;
}

/* 2. Base Reset & Mandatory Strict Overflow Protection */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: hidden !important;
  overflow-wrap: break-word !important;
  word-wrap: break-word;
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* All CSS grid children must have min-width: 0 */
* > *, 
.layout__main, 
.layout__side, 
.grid > *, 
.main-grid > *, 
.catalog-grid > *, 
.cards-grid > *, 
.hero-grid > *,
.footer-main__grid > * {
  min-width: 0 !important;
}

/* Content wrappers */
.wrap, 
.site-main, 
article, 
.rt, 
.content-wrapper,
.article-content {
  overflow-x: hidden;
  overflow-wrap: break-word;
}

.site-header,
.main-header,
.main-header__inner,
.desktop-nav,
.nav-list,
.nav-item,
.has-dropdown {
  overflow: visible !important;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* 3. Container & Layout Helpers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  position: relative;
}

.section--alt {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.section-header {
  margin-bottom: 2.5rem;
  max-width: 800px;
}

.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background-color: var(--color-bg-subtle);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.section--dark .section-title {
  color: #ffffff;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.section--dark .section-subtitle {
  color: #94a3b8;
}

/* 4. Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  font-size: 0.9375rem;
}

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

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

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

.btn--gold:hover {
  background-color: var(--color-accent-gold-hover);
  color: #ffffff;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-dark);
}

.btn--outline:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn--lg {
  padding: 0.95rem 2rem;
  font-size: 1.0625rem;
}

.badge-tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.badge-tag--gold {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
}

.badge-tag--success {
  background-color: #dcfce7;
  color: #166534;
  border-color: #bbf7d0;
}

/* 5. Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Footer Status Bar (SEO & Trust migrated from top-bar) */
.footer-status-bar {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.6rem 0;
}

.footer-status-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.footer-status-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
  flex-shrink: 0;
}

.footer-status-bar__item strong {
  color: #f8fafc;
}

/* Main Header */
.main-header {
  padding: 0.75rem 0;
  background-color: #ffffff;
}

.main-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-width: 0;
  flex-shrink: 1;
}

.brand-logo__emblem {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo__emblem svg {
  display: block;
}

.brand-logo__titles {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-logo__name {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-logo__sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.desktop-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 260px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 110;
}

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

.dropdown-menu li a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-main);
  transition: background-color var(--transition-fast);
}

.dropdown-menu li a:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 0.35rem 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.btn--header {
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn--header .icon-btn {
  flex-shrink: 0;
}

/* Mobile Burger Button */
.burger-btn {
  display: none;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-primary);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.burger-btn:hover {
  background-color: var(--color-border);
  border-color: var(--color-border-dark);
}

.burger-box {
  display: block;
  width: 20px;
  height: 14px;
  position: relative;
}

.burger-inner, .burger-inner::before, .burger-inner::after {
  width: 20px;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  left: 0;
  border-radius: 2px;
  transition: transform var(--transition-fast), top var(--transition-fast), opacity var(--transition-fast);
}

.burger-inner {
  top: 6px;
}

.burger-inner::before {
  content: "";
  top: -6px;
}

.burger-inner::after {
  content: "";
  top: 6px;
}

.burger-btn.is-active .burger-inner {
  background-color: transparent;
}

.burger-btn.is-active .burger-inner::before {
  top: 0;
  transform: rotate(45deg);
}

.burger-btn.is-active .burger-inner::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav.is-open {
  visibility: visible;
  opacity: 1;
}

.mobile-nav__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(9, 27, 46, 0.7);
  backdrop-filter: blur(2px);
}

.mobile-nav__drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: 88%;
  max-width: 380px;
  height: 100%;
  background-color: #ffffff;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav.is-open .mobile-nav__drawer {
  transform: translateX(0);
}

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
  position: sticky;
  top: 0;
  z-index: 10;
}

.mobile-nav__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
}

.mobile-nav__close {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.mobile-nav__close:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
}

.mobile-nav__content {
  padding: 1.25rem 1.25rem 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-menu-link {
  display: block;
  padding: 0.65rem 0.75rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-alt);
  transition: all var(--transition-fast);
}

.mobile-menu-link:hover, .mobile-menu-link:active {
  background-color: var(--color-bg-subtle);
  color: var(--color-accent-blue);
}

.mobile-menu-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-top: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-left: 3px solid var(--color-accent-gold);
}

.mobile-menu-sublink {
  display: block;
  padding: 0.45rem 0.75rem 0.45rem 1.15rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid rgba(226, 232, 240, 0.4);
  transition: all var(--transition-fast);
}

.mobile-menu-sublink:hover, .mobile-menu-sublink:active {
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
  padding-left: 1.35rem;
}

.mobile-nav__cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.mobile-nav__contacts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.mobile-phone-link {
  text-align: center;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.125rem;
  padding: 0.5rem;
}

/* 6. Breadcrumbs */
.breadcrumbs {
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 0.65rem 0;
  font-size: 0.8125rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 0.4rem;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-muted);
}

.breadcrumb-item a {
  color: var(--color-text-muted);
}

.breadcrumb-item a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-border-dark);
}

/* 7. Hero Section */
.hero-section {
  padding: 3.5rem 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-badge-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.18;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.hero-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 0.5rem 0;
}

.hero-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.hero-bullet-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-success);
  margin-top: 0.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.hero-security-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background-color: var(--color-bg-subtle);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8438rem;
  color: var(--color-text-muted);
}

.hero-visual {
  position: relative;
}

.hero-card-preview {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.hero-card-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.hero-card-body {
  padding: 1.25rem;
  background-color: #ffffff;
}

.hero-card-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.hero-point {
  display: flex;
  flex-direction: column;
  padding: 0.6rem;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.hero-point__title {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  font-weight: 700;
}

.hero-point__val {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* 8. Trust Highlights Ribbon */
.footer-ribbon, .trust-bar {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-primary-dark);
}

.footer-ribbon__inner, .trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.ribbon-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ribbon-item__icon {
  flex-shrink: 0;
  color: var(--color-accent-gold);
}

.ribbon-item__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.ribbon-item__text strong {
  font-size: 0.9375rem;
  color: #ffffff;
}

.ribbon-item__text span {
  font-size: 0.75rem;
  color: #94a3b8;
}

/* 9. Catalog & Cards Grid */
.catalog-grid, .cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

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

.service-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background-color: var(--color-bg-subtle);
  overflow: hidden;
}

.service-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.service-card__badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.service-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card__header {
  margin-bottom: 0.5rem;
}

.service-card__code {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.service-card__title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0.15rem;
  line-height: 1.3;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.service-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.service-card__price-box {
  display: flex;
  flex-direction: column;
}

.service-card__price-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--color-text-light);
  font-weight: 600;
}

.service-card__price {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.service-card__time {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.service-card__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* 10. Interactive Pricing Calculator */
.calc-widget {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  margin-top: 1rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2rem;
}

.calc-options {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.calc-group-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.calc-cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.calc-cat-btn {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-cat-btn:hover {
  border-color: var(--color-primary);
}

.calc-cat-btn.is-active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.calc-cat-btn__code {
  font-size: 0.875rem;
  font-weight: 700;
}

.calc-cat-btn__price {
  font-size: 0.75rem;
  opacity: 0.85;
}

.calc-addons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-addon-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.calc-addon-item input {
  margin-right: 0.5rem;
}

.calc-summary-card {
  background-color: var(--color-bg-dark);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.calc-summary-title {
  font-size: 1.125rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 0.75rem;
}

.calc-summary-rows {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.calc-summary-row {
  display: flex;
  justify-content: space-between;
}

.calc-total-box {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1rem;
}

.calc-total-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  color: #94a3b8;
  font-weight: 600;
}

.calc-total-val {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-top: 0.25rem;
}

.calc-payment-guarantee {
  font-size: 0.75rem;
  color: #94a3b8;
  line-height: 1.35;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-accent-gold);
}

/* 11. Interactive Verification Simulator */
.verifier-box {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  margin-top: 1.5rem;
}

.verifier-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.verifier-step {
  padding: 1rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
}

.verifier-step__num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.verifier-step__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.verifier-step__desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* 12. Article Content / Rich Text / Tables */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  align-items: start;
}

.article-content {
  background-color: #ffffff;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-main);
}

.article-content h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.article-content h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content a.link-inline {
  color: var(--color-accent-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a.link-inline:hover {
  color: var(--color-primary);
}

/* Tables Styling with Strict Horizontal Scroll Wrapper */
.table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.75rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
  min-width: 600px;
}

.data-table th, .data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.data-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background-color: var(--color-bg-alt);
}

/* Legal Callouts & Blockquotes */
.legal-callout {
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-bg-alt);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  margin: 1.75rem 0;
}

.legal-callout.alert-warning {
  border-left-color: var(--color-accent-gold);
  background-color: var(--color-warning-bg);
}

.legal-callout.alert-success {
  border-left-color: var(--color-success);
  background-color: var(--color-success-bg);
}

.callout-header {
  color: var(--color-primary);
  font-size: 0.9375rem;
  margin-bottom: 0.35rem;
}

.callout-content {
  font-size: 0.9375rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

.legal-divider {
  border: 0;
  height: 1px;
  background-color: var(--color-border);
  margin: 2.5rem 0;
}

/* Code diagram */
.code-diagram {
  background-color: var(--color-bg-dark);
  color: #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.inline-code {
  font-family: var(--font-family-mono);
  background-color: var(--color-bg-subtle);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
  color: var(--color-primary);
}

/* 13. Sidebar & Sticky Box */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 90px;
}

.sidebar-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}

.sidebar-card--primary {
  background-color: var(--color-bg-alt);
  border-color: var(--color-border-dark);
  border-top: 3px solid var(--color-primary);
}

.sidebar-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.sidebar-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.sidebar-price {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--color-primary);
}

.sidebar-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.sidebar-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-main);
}

.author-card {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-top: 2rem;
}

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.author-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* 14. FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.15rem 1.25rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-question:hover {
  background-color: var(--color-bg-alt);
}

.faq-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 1.25rem 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* 15. Reviews Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.review-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.review-card__author {
  font-weight: 700;
  color: var(--color-primary);
}

.review-card__city {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.review-card__stars {
  color: var(--color-accent-gold);
  font-size: 0.875rem;
}

.review-card__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.review-card__footer {
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-light);
  display: flex;
  justify-content: space-between;
}

/* 16. Footer Styles & Geo-Block */
.site-footer {
  background-color: var(--color-bg-dark);
  color: #cbd5e1;
  border-top: 1px solid var(--color-primary);
}

.footer-main {
  padding: 3.5rem 0 2.5rem 0;
}

.footer-main__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr 1fr;
  gap: 2.5rem;
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand__name {
  font-size: 1.125rem;
  font-weight: 800;
  color: #ffffff;
}

.footer-brand__desc {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8125rem;
}

.footer-contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-label {
  color: #64748b;
  text-transform: uppercase;
  font-size: 0.6875rem;
  font-weight: 700;
}

.contact-val {
  color: #ffffff;
  font-weight: 600;
}

.footer-messenger-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.foot-btn {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  transition: background-color var(--transition-fast);
}

.foot-btn:hover {
  background-color: var(--color-accent-blue);
  color: #ffffff;
}

.footer-col__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.875rem;
}

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

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

/* Geo-Anchor Block for 89 Regions */
.footer-geo {
  background-color: #061322;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2rem 0;
  font-size: 0.75rem;
}

.footer-geo__header {
  margin-bottom: 0.75rem;
}

.geo-title {
  color: #94a3b8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.footer-geo__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  color: #64748b;
  line-height: 1.5;
}

.geo-item a {
  color: #64748b;
}

.geo-item a:hover {
  color: #cbd5e1;
  text-decoration: underline;
}

.footer-bottom {
  background-color: #040d17;
  padding: 1.5rem 0;
  font-size: 0.75rem;
  color: #64748b;
}

.footer-bottom__inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-bottom__copy {
  color: #94a3b8;
}

/* 17. Modal Dialog */
.modal-dialog {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-dialog.is-open {
  visibility: visible;
  opacity: 1;
}

.modal-dialog__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(9, 27, 46, 0.75);
}

.modal-dialog__content {
  position: relative;
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  padding: 2rem;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--color-border);
}

.modal-dialog__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.modal-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #1e40af;
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.modal-dialog__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.modal-dialog__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  background-color: #ffffff;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 43, 72, 0.1);
}

.form-checkbox {
  margin-top: 0.75rem;
  margin-bottom: 1.25rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.checkbox-label input {
  margin-top: 0.15rem;
}

.form-security-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.85rem;
  text-align: center;
  justify-content: center;
}

/* Form validation states & Lead alerts */
.field {
  position: relative;
}

.field__err {
  display: block;
  font-size: 0.75rem;
  color: #dc2626;
  margin-top: 0.25rem;
  min-height: 0;
}

.field.is-invalid .form-input,
.field.is-invalid .form-select,
.field.is-invalid .form-textarea {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.form__ok {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
}

.form__ok svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: #059669;
}

.form__fail {
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
}

.form__fail[hidden],
.form__ok[hidden] {
  display: none !important;
}

/* ==========================================================================
   18. Responsive Media Queries (Mobile-First / Downwards)
   Breakpoints: 1440px, 1024px, 768px, 425px, 375px, 320px
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .catalog-grid, .cards-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

  .verifier-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    margin-top: 2rem;
  }

  .footer-main__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .footer-ribbon__inner, .trust-bar__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .main-header {
    padding: 0.55rem 0;
  }

  .main-header__inner {
    gap: 0.75rem;
  }

  .desktop-nav {
    display: none;
  }

  .burger-btn {
    display: inline-flex;
  }

  .btn--header {
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .catalog-grid, .cards-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }

  .calc-cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .verifier-steps {
    grid-template-columns: 1fr;
  }

  .footer-main__grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-ribbon__inner, .trust-bar__inner {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .service-card__actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .brand-logo__sub {
    display: none;
  }

  .brand-logo__name {
    font-size: 1.05rem;
  }

  .brand-logo__emblem svg {
    width: 36px;
    height: 36px;
  }

  .main-header__inner {
    gap: 0.5rem;
  }

  .header-actions {
    gap: 0.4rem;
  }

  .btn--header {
    padding: 0.45rem 0.7rem;
    font-size: 0.8rem;
    gap: 0.3rem;
  }
}

@media (max-width: 425px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .brand-logo__name {
    font-size: 0.95rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .calc-widget {
    padding: 1.25rem;
  }

  .modal-dialog__content {
    padding: 1.5rem 1rem;
  }

  .burger-btn {
    width: 38px;
    height: 38px;
  }

  .btn--header {
    padding: 0.4rem 0.6rem;
    font-size: 0.775rem;
  }

  .btn--header .icon-btn {
    width: 14px;
    height: 14px;
  }
}

@media (max-width: 375px) {
  .brand-logo__name {
    font-size: 0.875rem;
  }

  .brand-logo__emblem svg {
    width: 32px;
    height: 32px;
  }

  .btn--header {
    padding: 0.38rem 0.5rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 320px) {
  html, body {
    font-size: 15px;
  }

  .brand-logo__name {
    font-size: 0.8125rem;
  }
}