/* 7TEST brand */
:root {
  --blue: #1251a3;
  --blue-dark: #0d3d7a;
  --blue-light: #3c91e6;
  --black: #000000;
  --white: #ffffff;
  --red: #d12127;
  --gray-50: #f5f7fa;
  --gray-100: #e8ecf1;
  --gray-200: #d1d9e3;
  --gray-600: #5a6578;
  --gray-800: #2d3748;
  --shadow: 0 4px 24px rgba(18, 81, 163, 0.12);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.15);
  --radius: 6px;
  --header-h: 88px;
  --font: "Montserrat", system-ui, sans-serif;
}

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: grid;
  place-items: center;
  background: radial-gradient(1200px 800px at 50% 45%, rgba(18, 81, 163, 0.12), rgba(0, 0, 0, 0.02) 55%, rgba(0, 0, 0, 0) 72%),
    #ffffff;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

.preloader__inner {
  width: min(84vw, 520px);
  display: grid;
  gap: 18px;
  place-items: center;
  text-align: center;
}

.preloader__logo {
  width: min(70vw, 420px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.22));
  transform-origin: 50% 50%;
  animation: preloader-pop 1.2s ease-in-out infinite alternate;
}

.preloader__hint {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(45, 55, 72, 0.65);
}

.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes preloader-pop {
  0% { transform: scale(0.94); opacity: 0.92; }
  100% { transform: scale(1); opacity: 1; }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: clip;
  min-width: 320px;
}

body.nav-open {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
}

/* Top bar */
.top-bar {
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  padding: 8px 0;
  padding-top: max(8px, env(safe-area-inset-top));
}

.top-bar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.top-bar__right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-bar__phones {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.top-bar__phones a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  transition: color 0.2s;
}

.top-bar__phones a:hover {
  color: var(--blue-light);
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.2s;
}

.lang-btn:hover,
.lang-btn.active {
  background: var(--blue);
  border-color: var(--blue);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 1px 0 var(--gray-100);
  transition: box-shadow 0.3s;
  overflow: visible;
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.logo-link img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

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

.logo-text strong {
  font-size: 26px;
  font-style: italic;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.logo-text span {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-600);
  font-weight: 500;
}

.main-nav {
  display: flex;
  align-items: center;
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

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

.main-nav a,
.nav-dropdown__trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-800);
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  max-width: 100%;
}

.main-nav a:hover,
.nav-dropdown__trigger:hover {
  background: var(--gray-50);
  color: var(--blue);
}

.nav-dropdown__chevron {
  transition: transform 0.2s;
}

/* Products dropdown — UTEST-style panel */
.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 300px;
  margin: 0;
  padding: 6px 0;
  list-style: none;
  background: var(--blue-dark);
  border-radius: 0 0 4px 4px;
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.nav-dropdown__menu a {
  display: block;
  width: 100%;
  padding: 12px 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  border-radius: 0;
  white-space: normal;
  line-height: 1.35;
}

.nav-dropdown__menu a:hover {
  background: rgba(0, 0, 0, 0.22);
  color: var(--white);
}

.nav-dropdown__menu li:first-child a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 4px;
  padding-bottom: 14px;
}

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
}

.nav-cta:hover {
  background: var(--blue-dark) !important;
  color: var(--white) !important;
}

/* Desktop: open on hover */
@media (min-width: 769px) and (hover: hover) {
  .nav-dropdown:hover .nav-dropdown__menu,
  .nav-dropdown:focus-within .nav-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-dropdown:hover .nav-dropdown__trigger,
  .nav-dropdown:focus-within .nav-dropdown__trigger {
    background: var(--blue);
    color: var(--white);
  }

  .nav-dropdown:hover .nav-dropdown__chevron,
  .nav-dropdown:focus-within .nav-dropdown__chevron {
    transform: rotate(180deg);
  }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, #1a6bc4 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.6;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.08) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding-block: clamp(56px, 8vw, 88px);
}

.hero-content {
  text-align: left;
}

.hero-content h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-start;
}

.hero-media {
  display: flex;
  justify-content: flex-end;
}

.hero-media img {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    text-align: center;
  }

  .hero-content p {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-media {
    justify-content: center;
  }

  .hero-media img {
    max-width: 420px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--white);
  color: var(--blue);
}

.btn-primary:hover {
  background: var(--gray-50);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn-accent {
  background: var(--red);
  color: var(--white);
  border: none;
}

.btn-accent:hover {
  background: #b01c21;
}

/* Section common */
.section {
  padding: 80px 0;
}

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

.section-header h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--gray-600);
  font-size: 16px;
}

.section-header::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--red);
  margin: 20px auto 0;
  border-radius: 2px;
}

/* Categories */
.categories {
  background: var(--gray-50);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 24px;
}

.category-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--blue);
  display: block;
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card:nth-child(2) { border-top-color: var(--red); }
.category-card:nth-child(4) { border-top-color: var(--blue-light); }

.category-card__icon {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.category-card__icon img {
  width: auto;
  height: 100%;
  max-height: 120px;
  max-width: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.12));
}

.category-card__body {
  padding: 24px;
}

.category-card__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.category-card__body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.55;
}

.category-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
}

.category-card__link:hover {
  color: var(--red);
}

/* Product pages */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, #1a6bc4 100%);
  color: var(--white);
  padding: 64px 0 40px;
}

.page-hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.breadcrumb {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  word-break: break-word;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.95);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.breadcrumb span {
  opacity: 0.9;
}

.page-hero h1 {
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  margin-top: 10px;
}

.page-hero p {
  margin-top: 14px;
  max-width: 840px;
  color: rgba(255, 255, 255, 0.9);
}

.products-section {
  padding: 70px 0;
  background: var(--gray-50);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 22px;
}

.product-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid var(--gray-100);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card__media {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--gray-100);
  padding: 18px;
}

.product-card__media img {
  display: block;
  width: 100%;
  height: auto;
}

.product-card__media--half {
  overflow: hidden;
}

.product-card__media--half img {
  width: 200%;
  max-width: none;
}

.product-card__media--half-right img {
  margin-left: -100%;
}

.product-card__body {
  padding: 22px;
}

.product-card__title {
  font-size: clamp(15px, 3.8vw, 18px);
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 8px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(18, 81, 163, 0.08);
  color: var(--blue-dark);
}

.product-card__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 14px;
}

.product-card__actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 14px;
}

.btn-details {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  font-weight: 800;
  font-size: 13px;
  color: var(--blue-dark);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.btn-details:hover {
  border-color: rgba(18, 81, 163, 0.35);
  box-shadow: 0 8px 18px rgba(18, 81, 163, 0.12);
  transform: translateY(-1px);
}

.btn-details:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(18, 81, 163, 0.18);
}

.product-card__details {
  margin-top: 14px;
}

.meta-block h4 {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.meta-block ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.meta-block li {
  position: relative;
  padding-left: 18px;
  color: var(--gray-800);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.meta-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--blue);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

.product-card__footer a {
  font-weight: 800;
  color: var(--blue);
}

.product-card__footer a:hover {
  color: var(--red);
}

.muted {
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 52px 0 34px;
  }

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

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 28px;
}

.feature-item {
  text-align: center;
  padding: 32px 24px;
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-item:hover {
  border-color: var(--blue-light);
  box-shadow: var(--shadow);
}

.feature-item__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.feature-item:nth-child(2) .feature-item__icon { background: var(--red); }
.feature-item:nth-child(3) .feature-item__icon { background: var(--white); border: 2px solid var(--blue-light); }

.feature-item__icon--delivery img {
  display: block;
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.feature-item:nth-child(4) .feature-item__icon { background: var(--black); }

.feature-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--gray-800);
}

.feature-item p {
  font-size: 14px;
  color: var(--gray-600);
}

/* About */
.about {
  background: var(--black);
  color: var(--white);
}

.about .section-header h2 {
  color: var(--white);
}

.about .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text p {
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-box {
  text-align: center;
  padding: 28px 16px;
  background: rgba(18, 81, 163, 0.4);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-box strong {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-box span {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.75);
}

/* Contact strip */
.contact-strip {
  background: var(--blue);
  color: var(--white);
  padding: 48px 0;
}

.contact-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.contact-strip h2 {
  font-size: 24px;
  font-weight: 700;
}

.contact-strip__phones {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-strip__phones a {
  font-size: 22px;
  font-weight: 800;
}

.contact-strip__phones a:hover {
  text-decoration: underline;
}

.contact-strip__meta {
  font-size: 14px;
  opacity: 0.9;
}

/* Top products */
.top-products {
  background: var(--gray-50);
}

.top-products-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.top-product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.top-product-card:hover {
  border-color: var(--blue-light);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.top-product-card__media {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--gray-100);
  padding: 18px;
}

.top-product-card__media img {
  display: block;
  width: 100%;
  height: auto;
}

.top-product-card__body {
  padding: 18px;
  flex: 1;
}

.top-product-card__body h3 {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--gray-800);
}

@media (max-width: 1024px) {
  .top-products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .top-products-grid {
    grid-template-columns: 1fr;
  }
}

/* Callback */
.callback-section {
  background: var(--gray-50);
  padding: 80px 0;
}

.callback-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.callback-info {
  background: linear-gradient(160deg, var(--blue-dark), var(--blue));
  color: var(--white);
  padding: 48px;
}

.callback-info h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.callback-info > p {
  opacity: 0.9;
  margin-bottom: 32px;
}

.callback-info .phone-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.callback-info .phone-list a {
  font-size: 20px;
  font-weight: 700;
}

.callback-info .phone-list a:hover {
  color: var(--blue-light);
}

.callback-form-wrap {
  padding: 48px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(18, 81, 163, 0.15);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-notice {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
}

.form-notice.success {
  background: #e6f4ea;
  color: #1e7e34;
}

/* Footer */
.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand img {
  width: 80px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  max-width: 280px;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--white);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

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

.footer-col a:hover {
  color: var(--blue-light);
}

.footer-phones a {
  display: block;
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 992px) {
  .about-grid,
  .callback-wrapper {
    grid-template-columns: 1fr;
  }

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

  .top-products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .top-bar {
    position: relative;
    z-index: 1301;
  }

  .site-header {
    z-index: 1300;
  }

  .nav-toggle {
    position: relative;
    z-index: 1;
  }

  :root {
    --header-h: 72px;
  }

  .container {
    width: min(1200px, 94vw);
  }

  .top-bar {
    font-size: 12px;
  }

  .top-bar .container {
    justify-content: center;
    text-align: center;
  }

  .top-bar > .container > p {
    flex: 1 1 100%;
    line-height: 1.45;
  }

  .top-bar__right {
    width: 100%;
    justify-content: center;
  }

  .top-bar__phones {
    justify-content: center;
    gap: 12px;
  }

  .logo-link img {
    width: 48px;
    height: 48px;
  }

  .logo-text strong {
    font-size: 20px;
  }

  .logo-text span {
    font-size: 8px;
    letter-spacing: 0.05em;
  }

  .header-inner {
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100dvh;
    background: var(--white);
    padding: calc(env(safe-area-inset-top) + 108px) 20px calc(env(safe-area-inset-bottom) + 24px);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 1200;
  }

  .main-nav.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav__list > li {
    width: 100%;
  }

  .main-nav a,
  .nav-dropdown__trigger {
    width: 100%;
    justify-content: center;
    padding: 14px 16px;
    font-size: 15px;
    white-space: normal;
    text-align: center;
    min-height: 48px;
  }

  .nav-dropdown__trigger {
    justify-content: space-between;
    text-align: left;
  }

  .nav-dropdown__menu {
    position: static;
    min-width: 0;
    width: 100%;
    box-shadow: none;
    border-radius: var(--radius);
    margin: 0 0 8px;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: hidden;
    transform: none;
    transition: max-height 0.35s ease;
  }

  .nav-dropdown__menu a {
    white-space: normal;
    text-align: left;
    line-height: 1.4;
    padding: 12px 16px;
    font-size: 11px;
  }

  .nav-dropdown.is-open .nav-dropdown__menu {
    visibility: visible;
    max-height: 640px;
  }

  .nav-dropdown.is-open .nav-dropdown__chevron {
    transform: rotate(180deg);
  }

  .nav-dropdown.is-open .nav-dropdown__trigger {
    background: var(--blue);
    color: var(--white);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-block: 48px 56px;
    gap: 28px;
  }

  .hero-content h1 {
    font-size: clamp(22px, 6.2vw, 34px);
  }

  .hero-content p {
    font-size: 15px;
  }

  .hero-media img {
    max-width: min(100%, 380px);
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-header p {
    font-size: 15px;
  }

  .category-grid,
  .product-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .category-card__body h3,
  .top-product-card__body h3 {
    font-size: 16px;
    line-height: 1.4;
  }

  .page-hero {
    padding: 48px 0 32px;
  }

  .page-hero h1 {
    font-size: clamp(22px, 6vw, 32px);
  }

  .page-hero p {
    font-size: 14px;
  }

  .products-section {
    padding: 48px 0;
  }

  .product-card__body {
    padding: 18px;
  }

  .product-card__media {
    padding: 14px;
  }

  .btn-details {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .contact-strip {
    padding: 40px 0;
  }

  .contact-strip .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact-strip h2 {
    font-size: 20px;
  }

  .contact-strip__phones a {
    font-size: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand p {
    max-width: none;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .stat-box strong {
    font-size: 30px;
  }
}

@media (max-width: 600px) {
  .top-bar > .container > p {
    display: none;
  }

  .top-bar .container {
    justify-content: center;
  }

  .main-nav {
    padding-top: calc(env(safe-area-inset-top) + 88px);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .lang-btn {
    min-width: 40px;
    min-height: 36px;
  }

  .category-card__icon {
    height: 140px;
  }

  .badge {
    font-size: 11px;
    padding: 5px 8px;
  }
}

@media (max-width: 560px) {
  .top-products-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 400px) {
  .container {
    width: min(1200px, 96vw);
  }

  .logo-text span {
    display: none;
  }

  .top-bar__phones {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }

  .top-bar__phones a {
    font-size: 12px;
  }

  .feature-item {
    padding: 24px 18px;
  }

  .category-card__body,
  .top-product-card__body {
    padding: 18px;
  }
}

@media (max-width: 768px) and (orientation: landscape) {
  .hero-inner {
    padding-block: 32px 40px;
  }

  .main-nav {
    padding-top: calc(env(safe-area-inset-top) + 76px);
  }
}