/* BEM CSS ARCHITECTURE — gaz-akgs.ru */
:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --color-bg: #070b14;
  --color-bg-card: #0f172a;
  --color-border: #1e293b;
  --color-text-primary: #ffffff;
  --color-text-secondary: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-cyan-400: #22d3ee;
  --color-cyan-500: #06b6d4;
  --color-cyan-600: #0891b2;
  --color-cyan-950: #083344;
  --color-emerald-400: #34d399;
  --color-emerald-500: #10b981;
  --color-emerald-600: #059669;
  --color-sky-400: #38bdf8;
  --color-sky-500: #0ea5e9;
  --color-sky-600: #0284c7;
  --color-amber-400: #fbbf24;
  --color-amber-500: #f59e0b;
  --shadow-glow: 0 0 25px -5px rgba(6, 182, 212, 0.4);
  --shadow-glass: 0 20px 40px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-secondary);
  font-family: var(--font-main);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 5.5rem;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.main-content {
  flex-grow: 1;
}

.glass-panel {
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.glass-panel--elevated {
  background: linear-gradient(145deg, rgba(23, 34, 56, 0.85) 0%, rgba(13, 20, 36, 0.95) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(6, 182, 212, 0.25);
  box-shadow: var(--shadow-glass);
}

.section-header {
  text-align: center;
  max-width: 52rem;
  margin: 0 auto 3rem;
}

.section-header__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cyan-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-header__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: #ffffff;
  margin-top: 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.section-header__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 0.75rem;
  padding: 0.75rem 1.25rem;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.5rem 0.875rem;
  font-size: 0.75rem;
  border-radius: 0.5rem;
}

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

.btn--primary {
  background: linear-gradient(to right, var(--color-cyan-500), #2563eb);
  color: #030712;
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  background: linear-gradient(to right, var(--color-cyan-400), #3b82f6);
  transform: translateY(-2px);
}

.btn--secondary {
  background-color: rgba(30, 41, 59, 0.9);
  color: #ffffff;
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background-color: rgba(51, 65, 85, 0.9);
  border-color: #334155;
}

.btn--accent {
  background-color: var(--color-cyan-500);
  color: #030712;
  box-shadow: var(--shadow-glow);
}

.btn--accent:hover {
  background-color: var(--color-cyan-400);
}

.btn--whatsapp {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.btn--whatsapp:hover {
  background: var(--color-emerald-600);
  color: #ffffff;
}

.btn--telegram {
  background: rgba(14, 165, 233, 0.15);
  color: var(--color-sky-400);
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.btn--telegram:hover {
  background: var(--color-sky-600);
  color: #ffffff;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge--emerald {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge--cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-cyan-400);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge--amber {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-amber-400);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge--hot {
  background: linear-gradient(to right, var(--color-amber-500), #f97316);
  color: #030712;
  font-weight: 900;
  font-size: 0.6875rem;
}

.badge--promo {
  background: linear-gradient(to right, #ef4444, #ec4899);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.6875rem;
}

.badge--optimal {
  background: #1e293b;
  color: var(--color-cyan-400);
  border: 1px solid rgba(6, 182, 212, 0.3);
  font-size: 0.6875rem;
}

.badge--compact {
  background: #1e293b;
  color: var(--color-text-muted);
  font-size: 0.6875rem;
}

.badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.9); }
}

.top-banner {
  background: linear-gradient(to right, #083344, #0f172a, #083344);
  border-bottom: 1px solid rgba(6, 182, 212, 0.2);
  color: #cbd5e1;
  font-size: 0.75rem;
  padding: 0.375rem 1rem;
  text-align: center;
}

.top-banner__container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.top-banner__dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--color-emerald-400);
  animation: pulseAnimation 2s infinite;
}

.top-banner__label {
  font-weight: 600;
  color: #ffffff;
}

.top-banner__phone {
  margin-left: 0.25rem;
  font-weight: 700;
  color: var(--color-cyan-400);
  text-decoration: underline;
}

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--color-border);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.logo__icon-wrap {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background: linear-gradient(to top right, var(--color-cyan-600), #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  color: #ffffff;
}

.logo__svg {
  width: 1.25rem;
  height: 1.25rem;
}

.logo__title {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.logo__domain {
  color: var(--color-cyan-400);
}

.logo__subtitle {
  font-size: 0.5625rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: clamp(0.6rem, 1.1vw, 1.2rem);
    white-space: nowrap;
  }
}

.nav__link {
  font-size: clamp(0.8125rem, 0.95vw, 0.875rem);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: 0.25rem 0.2rem;
}

.nav__link:hover, .nav__link--active {
  color: var(--color-cyan-400);
  font-weight: 600;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.phone-widget {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.875rem;
  border-radius: 0.75rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: #ffffff;
}

.phone-widget__icon-box {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background-color: var(--color-cyan-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #030712;
}

.phone-widget__icon {
  width: 1rem;
  height: 1rem;
}

.phone-widget__number {
  font-size: clamp(0.875rem, 1.1vw, 1rem);
  font-weight: 900;
  line-height: 1;
}

.phone-widget__status {
  font-size: 0.625rem;
  color: var(--color-emerald-400);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.phone-widget__pulse {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: var(--color-emerald-400);
  animation: pulseAnimation 1.5s infinite;
}

.burger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem;
  border-radius: 0.75rem;
  background-color: #1e293b;
  color: var(--color-text-secondary);
  border: 1px solid #334155;
}

@media (min-width: 1024px) {
  .burger-btn {
    display: none;
  }
}

.burger-btn__icon {
  width: 1.5rem;
  height: 1.5rem;
}

.mobile-menu {
  display: none;
  background-color: #0f172a;
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
}

.mobile-menu--open {
  display: block;
}

@media (min-width: 1024px) {
  .mobile-menu, .mobile-menu--open {
    display: none !important;
  }
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  font-size: 1rem;
}

.mobile-menu__link {
  color: var(--color-text-secondary);
}

.mobile-menu__link:hover {
  color: var(--color-cyan-400);
}

.mobile-menu__footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.breadcrumbs__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.breadcrumbs__item::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--color-text-dim);
}

.breadcrumbs__item:last-child::after {
  content: "";
}

.breadcrumbs__current {
  color: var(--color-cyan-400);
}

.hero {
  position: relative;
  padding-top: 2rem;
  padding-bottom: 4rem;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding-top: 3.5rem;
    padding-bottom: 5.5rem;
  }
}

.hero__glow-sphere {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

.hero__glow-sphere--cyan {
  top: 25%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24rem;
  height: 24rem;
  background-color: rgba(6, 182, 212, 0.1);
}

.hero__glow-sphere--blue {
  top: 2.5rem;
  right: 2.5rem;
  width: 18rem;
  height: 18rem;
  background-color: rgba(37, 99, 235, 0.1);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 7fr 5fr;
  }
}

.hero__content {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .hero__content {
    text-align: left;
  }
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
}

@media (min-width: 1024px) {
  .hero__badges {
    justify-content: flex-start;
  }
}

.hero__title {
  font-size: clamp(1.875rem, 4.5vw, 3.5rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero__title-gradient {
  background: linear-gradient(to right, var(--color-cyan-400), #7dd3fc, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__desc {
  font-size: clamp(0.9375rem, 1.4vw, 1.125rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 42rem;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .hero__desc {
    margin: 0;
  }
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  padding-top: 0.5rem;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (min-width: 1024px) {
  .hero__actions {
    justify-content: flex-start;
  }
}

.hero__messengers {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

@media (min-width: 640px) {
  .hero__messengers {
    width: auto;
  }
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(30, 41, 59, 0.8);
}

@media (min-width: 640px) {
  .stats-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stats-bar__item {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(30, 41, 59, 0.6);
  text-align: center;
}

.stats-bar__val {
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 800;
  color: var(--color-cyan-400);
}

.stats-bar__val--amber {
  color: var(--color-amber-400);
}

.stats-bar__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.featured-card {
  position: relative;
  border-radius: 1.5rem;
  padding: 1.5rem;
}

@media (min-width: 640px) {
  .featured-card {
    padding: 2rem;
  }
}

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

.featured-card__header {
  text-align: center;
  padding-bottom: 0.5rem;
}

.featured-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cyan-400);
  text-transform: uppercase;
}

.featured-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 0.25rem;
}

.featured-card__subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.featured-card__cylinder {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5rem 0;
  margin: 1rem 0;
}

.featured-card__prices {
  background-color: rgba(15, 23, 42, 0.9);
  border-radius: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.featured-card__price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

.featured-card__price-row--border {
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.featured-card__price-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-cyan-400);
}

.featured-card__price-val--secondary {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

.advantages {
  padding: 4rem 0;
  background-color: rgba(15, 23, 42, 0.4);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.advantages__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .advantages__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.advantage-card {
  padding: 1.5rem;
  border-radius: 1rem;
  transition: all var(--transition-normal);
}

.advantage-card:hover {
  border-color: rgba(6, 182, 212, 0.5);
  transform: translateY(-4px);
}

.advantage-card__icon-box {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan-400);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.advantage-card__icon-box--amber {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--color-amber-400);
}

.advantage-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

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

.catalog {
  padding: 4rem 0;
}

.catalog__header {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .catalog__header {
    flex-direction: row;
    align-items: flex-end;
  }
}

.catalog__tip {
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  background-color: rgba(8, 51, 68, 0.4);
  border: 1px solid rgba(6, 182, 212, 0.3);
  font-size: 0.75rem;
  color: #67e8f9;
}

.catalog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .catalog__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .catalog__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  border-radius: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.product-card:hover {
  border-color: rgba(6, 182, 212, 0.5);
}

.product-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.product-card__volume {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.product-card__image-box {
  position: relative;
  height: 12rem;
  background-color: rgba(3, 7, 18, 0.7);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(30, 41, 59, 0.8);
}

.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

.product-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.product-card__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.product-card__prices {
  background-color: rgba(3, 7, 18, 0.7);
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(30, 41, 59, 0.9);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.product-card__price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
}

.product-card__price-row--border {
  padding-top: 0.375rem;
  border-top: 1px solid var(--color-border);
}

.product-card__price-val {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-cyan-400);
}

.product-card__price-val--secondary {
  color: var(--color-text-secondary);
  font-weight: 700;
}

.product-card__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-card__messengers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.accessories {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.accessories__header {
  margin-bottom: 1.5rem;
}

.accessories__title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: #ffffff;
}

.accessories__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.accessories__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .accessories__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.accessory-card {
  padding: 1.25rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--color-border);
}

.accessory-card__image-box {
  width: 6rem;
  height: 6rem;
  background-color: #030712;
  border-radius: 0.75rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.accessory-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.accessory-card__info {
  flex-grow: 1;
}

.accessory-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.accessory-card__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.accessory-card__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  gap: 0.5rem;
}

.accessory-card__price {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-cyan-400);
}

.delivery {
  padding: 4rem 0;
  background-color: rgba(15, 23, 42, 0.5);
  border-top: 1px solid var(--color-border);
}

.delivery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .delivery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.delivery__conditions {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.condition-card {
  padding: 1.5rem;
  border-radius: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-left-width: 4px;
}

.condition-card--cyan { border-left-color: var(--color-cyan-400); }
.condition-card--amber { border-left-color: var(--color-amber-400); }
.condition-card--emerald { border-left-color: var(--color-emerald-400); }

.condition-card__icon-box {
  padding: 0.75rem;
  border-radius: 0.75rem;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.condition-card--cyan .condition-card__icon-box {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-cyan-400);
}

.condition-card--amber .condition-card__icon-box {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-amber-400);
}

.condition-card--emerald .condition-card__icon-box {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-emerald-400);
}

.condition-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.condition-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  line-height: 1.5;
}

.calculator {
  border-radius: 1.5rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .calculator {
    padding: 2rem;
  }
}

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

.calculator__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.calculator__rate {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-cyan-400);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.calculator__subtitle {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 0.75rem;
}

.calculator__slider-group {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calculator__slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
}

.calculator__slider-label {
  color: var(--color-text-muted);
}

.calculator__slider-value {
  color: var(--color-cyan-400);
  font-size: 1.125rem;
  font-weight: 900;
}

.calculator__range {
  -webkit-appearance: none;
  width: 100%;
  height: 0.5rem;
  background: #1e293b;
  border-radius: 0.5rem;
  outline: none;
  cursor: pointer;
}

.calculator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 22px;
  width: 22px;
  border-radius: 50%;
  background: var(--color-cyan-500);
  cursor: pointer;
  box-shadow: 0 0 12px var(--color-cyan-500);
  border: 2px solid #ffffff;
}

.calculator__scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--color-text-dim);
}

.calculator__breakdown {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 0.75rem;
  background-color: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.calculator__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.calculator__row--total {
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
  align-items: center;
}

.calculator__row-val {
  color: var(--color-text-secondary);
  font-weight: 600;
}

.calculator__row-total-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: #ffffff;
}

.calculator__row-total-val {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-cyan-400);
}

.calculator__cta {
  margin-top: 1.5rem;
}

.steps {
  padding: 4rem 0;
}

.steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .steps__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
}

.step-card__num {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-cyan-400);
  font-size: 1.25rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

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

.legality {
  padding: 4rem 0;
  background-color: rgba(15, 23, 42, 0.6);
  border-top: 1px solid var(--color-border);
}

.legality__info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .legality__info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.legal-card {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
}

.legal-card__icon-box {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-cyan-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.legal-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.legal-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.docs-gallery {
  margin-top: 3rem;
}

.docs-gallery__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  margin-bottom: 1.5rem;
}

.docs-gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .docs-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.doc-card {
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.doc-card:hover {
  border-color: rgba(6, 182, 212, 0.5);
}

.doc-card__preview {
  height: 11rem;
  background-color: #030712;
  border-radius: 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.doc-card__icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.doc-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.doc-card__sublabel {
  font-size: 0.625rem;
  color: var(--color-text-dim);
}

.doc-card__title {
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  margin-top: 0.75rem;
}

.faq {
  padding: 4rem 0;
}

.faq__container {
  max-width: 56rem;
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.faq-item__trigger {
  width: 100%;
  padding: 1.25rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.faq-item__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-cyan-400);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item--active .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__content {
  display: none;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  border-top: 1px solid rgba(30, 41, 59, 0.6);
  padding-top: 0.75rem;
}

.faq-item--active .faq-item__content {
  display: block;
}

.seo-section {
  padding: 4rem 0;
  background-color: rgba(3, 7, 18, 0.7);
  border-top: 1px solid var(--color-border);
}

.seo-section__container {
  max-width: 68rem;
}

.seo-card {
  padding: 1.5rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(30, 41, 59, 0.9);
  position: relative;
}

@media (min-width: 640px) {
  .seo-card {
    padding: 2.5rem;
  }
}

.seo-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cyan-400);
  text-transform: uppercase;
}

.seo-card__title {
  font-size: clamp(1.25rem, 2.3vw, 1.875rem);
  font-weight: 800;
  color: #ffffff;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.seo-card__content {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  font-size: 0.925rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.seo-card__content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 1rem;
}

.seo-card__content ul, .seo-card__content ol {
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.seo-card__content li strong {
  color: var(--color-cyan-400);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

.custom-table th, .custom-table td {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
}

.custom-table th {
  background-color: rgba(8, 51, 68, 0.6);
  color: var(--color-cyan-400);
  font-weight: 700;
}

.custom-table tr:nth-child(even) {
  background-color: rgba(15, 23, 42, 0.6);
}

.product-detail {
  padding: 3rem 0;
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .product-detail__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.product-detail__gallery {
  background-color: rgba(3, 7, 18, 0.8);
  border-radius: 1.5rem;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 2rem;
}

.product-detail__img {
  max-height: 380px;
  object-fit: contain;
}

.product-detail__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-detail__price-box {
  background: rgba(15, 23, 42, 0.8);
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  padding: 1.5rem;
  border-radius: 1.25rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-fast);
}

.article-card:hover {
  border-color: rgba(6, 182, 212, 0.5);
  transform: translateY(-3px);
}

.article-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
}

.article-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.contacts {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
}

.contacts__cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .contacts__cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  padding: 1.5rem;
  border-radius: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--color-border);
}

.contact-card--featured {
  border-color: rgba(6, 182, 212, 0.4);
}

.contact-card__icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.contact-card__icon-box--cyan {
  background: rgba(6, 182, 212, 0.2);
  color: var(--color-cyan-400);
}

.contact-card__icon-box--emerald {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-emerald-400);
}

.contact-card__icon-box--amber {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-amber-400);
}

.contact-card__tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.contact-card__tag--cyan { color: var(--color-cyan-400); }
.contact-card__tag--emerald { color: var(--color-emerald-400); }
.contact-card__tag--amber { color: var(--color-amber-400); }

.contact-card__title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 800;
  color: #ffffff;
  margin-top: 0.5rem;
}

.contact-card__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.4;
}

.contact-card__action {
  margin-top: 1.5rem;
}

.contact-card__messengers {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.contact-card__messenger-btn {
  flex: 1;
}

.footer {
  padding-top: 2.5rem;
  border-top: 1px solid rgba(30, 41, 59, 0.8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 4fr 5fr 3fr;
  }
}

.footer__col--brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer__requisites {
  font-size: 0.6875rem;
  color: var(--color-text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer__nav-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  font-size: 0.75rem;
}

.footer__nav-title {
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.footer__nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__nav-link {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__nav-link:hover {
  color: var(--color-cyan-400);
}

.footer__col--contacts {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__phone {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-cyan-400);
}

.footer__phone:hover {
  color: #67e8f9;
}

.footer__badge-status {
  font-size: 0.75rem;
  color: var(--color-emerald-400);
  font-weight: 500;
}

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.6875rem;
  color: var(--color-text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__copy-row {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .footer__copy-row {
    flex-direction: row;
    align-items: center;
  }
}

.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-top: 1px solid var(--color-border);
  padding: 0.625rem;
}

@media (min-width: 768px) {
  .bottom-bar {
    display: none;
  }
}

.bottom-bar__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0.5rem;
  align-items: center;
}

.bottom-bar__item--call { grid-column: span 4; }
.bottom-bar__item--order { grid-column: span 4; }
.bottom-bar__item--messenger { grid-column: span 2; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem;
}

.modal--hidden {
  display: none !important;
}

.modal__dialog {
  border-radius: 1.5rem;
  max-width: 32rem;
  width: 100%;
  padding: 1.5rem;
  position: relative;
  text-align: center;
}

@media (min-width: 640px) {
  .modal__dialog {
    padding: 2rem;
  }
}

.modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  color: var(--color-text-muted);
  padding: 0.5rem;
  font-size: 1.25rem;
}

.modal__close:hover {
  color: #ffffff;
}

.modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.modal__preview-box {
  padding: 1.5rem;
  background-color: #030712;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.modal__doc-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.modal__doc-reg {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.modal__doc-badge {
  font-size: 0.6875rem;
  color: var(--color-emerald-400);
  font-weight: 500;
  margin-top: 0.5rem;
}

.modal__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}