/* ============================================
   rentag.by - Системный интегратор
   Стили сайта
   ============================================ */

/* === Variables & Reset === */
:root {
  --dark-blue: #0B1F3A;
  --light-blue: #0099FF;
  --white: #FFFFFF;
  --light-gray: #F5F7FA;
  --dark-text: #1a1a2e;
  --gray-text: #6c757d;
  --border-color: #e9ecef;
  --gradient-primary: linear-gradient(135deg, #0B1F3A 0%, #1a3a6a 100%);
  --gradient-accent: linear-gradient(135deg, #0099FF 0%, #0077cc 100%);
  --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.08);
  --shadow-md: 0 4px 20px rgba(11, 31, 58, 0.12);
  --shadow-lg: 0 8px 40px rgba(11, 31, 58, 0.16);
  --shadow-accent: 0 4px 20px rgba(0, 153, 255, 0.3);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-width: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--dark-text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--gradient-primary);
  color: var(--white);
}

.section-light {
  background: var(--light-gray);
}

.section-light .contact-form input,
.section-light .contact-form textarea,
.section-light .contact-form select {
  background: var(--white);
  color: var(--dark-text);
  border: 1px solid var(--border-color);
}

.section-light .contact-form input::placeholder,
.section-light .contact-form textarea::placeholder {
  color: var(--gray-text);
}

.section-light .contact-form input:focus,
.section-light .contact-form textarea:focus,
.section-light .contact-form select:focus {
  border-color: var(--light-blue);
  box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.1);
}

.section-light .form-policy {
  color: var(--gray-text);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 15px;
  color: var(--dark-blue);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-text);
  max-width: 600px;
  margin-bottom: 50px;
}

.section-dark .section-title { color: var(--white); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

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

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 153, 255, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--light-blue);
  border: 2px solid var(--light-blue);
}

.btn-outline:hover {
  background: var(--light-blue);
  color: var(--white);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* === Header & Navigation === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 31, 58, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
  width: 100%;
}

.header.scrolled {
  background: rgba(11, 31, 58, 0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.header-inner,
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  z-index: 1001;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo span {
  color: var(--light-blue);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.2rem;
}

.nav {
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-list a {
  color: rgba(255,255,255,0.7);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--light-blue);
  border-radius: 1px;
}

/* === BEM Nav (city pages) === */
.nav__list {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav__item {
  list-style: none;
}

.nav__link {
  color: rgba(255,255,255,0.7);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--light-blue);
  border-radius: 1px;
}

.header__contacts {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header__phone {
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  white-space: nowrap;
}

.header__phone:hover {
  color: var(--light-blue);
}

/* === Simple dropdown (BEM pages) === */
.nav__item--dropdown {
  position: relative;
}

.nav__item--dropdown > .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--dark-blue);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  min-width: 220px;
  padding: 8px 0;
  list-style: none;
  margin: 0;
}

.nav__item--dropdown:hover > .dropdown,
.nav__item--dropdown.is-focused > .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.dropdown a {
  display: block;
  padding: 8px 20px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.dropdown a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  flex-shrink: 0;
  white-space: nowrap;
}

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

/* === Mobile Menu === */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
  background: none;
  border: none;
}

.burger span {
  width: 28px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  overflow: hidden;
  padding-top: 70px;
}

.hero.section {
  min-height: auto;
  padding: 120px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(11,31,58,0.85) 0%, rgba(11,31,58,0.7) 100%),
    url('../img/hero-bg.webp') center/cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3rem;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-content p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 35px;
  max-width: 540px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-animation {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  position: relative;
}

.hero-animation .circle {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(0, 153, 255, 0.2);
  animation: pulse-ring 3s ease-in-out infinite;
}

.hero-animation .circle:nth-child(1) {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.hero-animation .circle:nth-child(2) {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  animation-delay: 0.5s;
}

.hero-animation .circle:nth-child(3) {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  animation-delay: 1s;
}

.hero-animation .center-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: var(--gradient-accent);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  box-shadow: 0 0 60px rgba(0,153,255,0.3);
  animation: float 3s ease-in-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, -60%); }
}

/* === Advantages Strip === */
.advantages-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  padding: 30px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
}

.advantage-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: rgba(0, 153, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.advantage-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark-blue);
}

/* === Services Section === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 35px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 153, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--dark-blue);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--gray-text);
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-link {
  color: var(--light-blue);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.service-link:hover { gap: 10px; }

.city-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 40px 0;
}

.city-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.city-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.city-card__image {
  overflow: hidden;
  line-height: 0;
}

.city-card__image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.city-card:hover .city-card__image img {
  transform: scale(1.05);
}

.city-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.city-card__title {
  font-size: 1.2rem;
  color: var(--dark-blue);
  margin: 0;
}

.city-card__desc {
  font-size: 0.95rem;
  color: var(--gray-text);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.city-card__btn {
  display: inline-flex;
  align-items: center;
  color: var(--light-blue);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: auto;
  gap: 4px;
}

.city-card__btn::after {
  content: '\2192';
  transition: transform 0.2s;
}

.city-card:hover .city-card__btn::after {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .city-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 600px) {
  .city-grid { grid-template-columns: 1fr; gap: 16px; padding: 20px 0; }
}

.form-select {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--dark-blue);
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
  cursor: pointer;
  appearance: auto;
}
.form-select:focus {
  border-color: var(--light-blue);
  box-shadow: 0 0 0 3px rgba(0,153,255,0.15);
}

/* === Reviews Section === */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 30px;
  border: 1px solid var(--border-color);
}

.review-stars {
  color: #ffc107;
  font-size: 1rem;
  margin-bottom: 15px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--dark-text);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
}

.review-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.review-pos {
  font-size: 0.85rem;
  color: var(--gray-text);
}

/* === Form Section === */
.form-section {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.form-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(11,31,58,0.88) 0%, rgba(11,31,58,0.75) 100%),
    url('../img/hero-bg.webp') center/cover no-repeat;
}

.form-wrapper {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.4);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--light-blue);
  background: rgba(255,255,255,0.1);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-policy {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.form-policy a {
  color: var(--light-blue);
  text-decoration: underline;
}

/* === Messenger Cards (Telegram, Viber) === */
.messenger-section {
  overflow: hidden;
}

.messenger-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 680px;
  margin: 0 auto;
}

.messenger-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  background: var(--white);
  border-radius: 16px;
  padding: 40px 28px 36px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  position: relative;
}

.messenger-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.messenger-card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.messenger-card-icon svg {
  width: 48px;
  height: 48px;
}

.messenger-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--dark-text);
}

.messenger-card-desc {
  font-size: 0.95rem;
  color: var(--gray-text);
  line-height: 1.5;
  margin: 0 0 24px;
}

.messenger-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  transition: background 0.3s ease;
}

.messenger-card-btn--tg {
  background: #0088cc;
}

.messenger-card-btn--vb {
  background: #7360F2;
}

.messenger-card:hover .messenger-card-btn--tg {
  background: #0077b3;
}

.messenger-card:hover .messenger-card-btn--vb {
  background: #5e4fe0;
}

@media (max-width: 768px) {
  .messenger-section .section-subtitle {
    margin-bottom: 36px;
  }

  .messenger-cards {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 400px;
  }

  .messenger-card {
    padding: 32px 24px 28px;
  }
}

@media (max-width: 480px) {
  .messenger-cards {
    max-width: 100%;
  }

  .messenger-card {
    padding: 28px 20px 24px;
  }
}

/* === Page Hero === */
.page-hero {
  background: var(--gradient-primary);
  padding: 110px 0 50px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(11,31,58,0.85) 0%, rgba(11,31,58,0.7) 100%),
    url('../img/hero-bg.webp') center/cover no-repeat;
}

.page-hero h1 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  position: relative;
  z-index: 1;
}

/* === Breadcrumbs === */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.breadcrumbs a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

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

.breadcrumbs span {
  color: rgba(255,255,255,0.3);
  font-size: 0.9rem;
}

.breadcrumbs .current {
  color: var(--white);
}

/* === Content Grid === */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  align-items: start;
}

.content-main h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--dark-blue);
  margin-top: 40px;
}

.content-main h2:first-child {
  margin-top: 0;
}

.content-main p {
  margin-bottom: 20px;
  color: var(--gray-text);
  line-height: 1.8;
}

/* === Sidebar === */
.sidebar {
  position: sticky;
  top: 90px;
}

.sidebar-widget {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 24px;
}

.sidebar-widget h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--dark-blue);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-menu a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--dark-text);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background: var(--white);
  color: var(--light-blue);
  box-shadow: var(--shadow-sm);
}

/* === FAQ === */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}

.faq-question:hover {
  background: var(--light-gray);
}

.faq-question .faq-icon {
  transition: var(--transition);
  font-size: 1.2rem;
  color: var(--light-blue);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--gray-text);
  line-height: 1.7;
}

/* === Calculator === */
.calculator {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.calc-group {
  margin-bottom: 24px;
}

.calc-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.calc-group select,
.calc-group input[type="range"] {
  width: 100%;
}

.calc-group select {
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-main);
  color: var(--dark-text);
  background: var(--white);
  cursor: pointer;
}

.calc-group input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--light-gray);
  border-radius: 3px;
  outline: none;
}

.calc-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--light-blue);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,153,255,0.3);
}

/* Чекбоксы: кастомные для Safari/iOS */
input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 2px solid var(--border-color);
  background: var(--white);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.2s ease, background 0.2s ease;
}

input[type="checkbox"]:checked {
  border-color: var(--light-blue);
  background: var(--light-blue);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--light-blue);
  outline-offset: 2px;
}

/* Лейблы чекбоксов калькулятора (touch-friendly) */
.calc-checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  cursor: pointer;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.calc-checkbox-label span {
  font-size: 0.95rem;
}

.calc-checkbox-label:hover input[type="checkbox"] {
  border-color: var(--light-blue);
}

.calc-value {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--light-blue);
  margin-top: 20px;
}

.calc-result {
  text-align: center;
  padding: 30px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  margin-top: 20px;
}

.calc-result .price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-blue);
}

.calc-result .note {
  font-size: 0.9rem;
  color: var(--gray-text);
  margin-top: 8px;
}

/* === Portfolio Gallery === */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.portfolio-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,31,58,0.9) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.portfolio-overlay p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

/* === Clients / Partners === */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px;
  align-items: center;
}

.client-logo {
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  font-weight: 700;
  color: var(--gray-text);
  font-size: 1.1rem;
  transition: var(--transition);
  text-align: center;
}

.client-logo:hover {
  border-color: var(--light-blue);
  box-shadow: var(--shadow-sm);
}

/* === Blog Cards === */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.blog-img {
  width: 100%;
  height: 200px;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--light-blue);
}

.blog-body {
  padding: 24px;
}

.blog-date {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin-bottom: 10px;
}

.blog-body h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--dark-blue);
}

.blog-body p {
  font-size: 0.9rem;
  color: var(--gray-text);
  margin-bottom: 15px;
  line-height: 1.6;
}

/* === About Page === */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--light-gray);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--light-blue);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
  padding-top: 50px;
}

.step-card::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(0, 153, 255, 0.1);
  line-height: 1;
}

.step-card h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.step-card p {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.6;
}

/* === Team Section === */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  text-align: center;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  transition: var(--transition);
}

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

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--light-gray);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--light-blue);
}

.team-card h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.team-card p {
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* === Tariffs === */
.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tariff-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.tariff-card.featured {
  border-color: var(--light-blue);
  box-shadow: 0 0 0 2px var(--light-blue);
  margin: -12px -4px;
  padding: 52px 34px;
}

.tariff-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: var(--white);
  padding: 6px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

.tariff-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--dark-blue);
}

.tariff-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--light-blue);
  margin-bottom: 20px;
}

.tariff-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-text);
}

.tariff-features {
  text-align: left;
  margin-bottom: 25px;
}

.tariff-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tariff-features li::before {
  content: '✓';
  color: var(--light-blue);
  font-weight: 700;
}

/* === Table (Cartridge models) === */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.table-wrapper table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table-wrapper th {
  background: var(--dark-blue);
  color: var(--white);
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
}

.table-wrapper td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
}

.table-wrapper tr:nth-child(even) {
  background: var(--light-gray);
}

.table-wrapper tr:hover {
  background: rgba(0, 153, 255, 0.05);
}

/* === Map === */
.map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 400px;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
}

/* === Contacts Info === */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 25px;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: rgba(0, 153, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--light-blue);
}

.contact-info-item h4 {
  font-size: 0.9rem;
  color: var(--gray-text);
  margin-bottom: 4px;
  font-weight: 400;
}

.contact-info-item a,
.contact-info-item p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-blue);
}

.contact-info-item a:hover {
  color: var(--light-blue);
}

/* === Pagination === */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 50px;
}

.pagination a {
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--dark-text);
  transition: var(--transition);
}

.pagination a:hover,
.pagination a.active {
  background: var(--light-blue);
  color: var(--white);
  border-color: var(--light-blue);
}

/* === Footer === */
.footer {
  background: var(--dark-blue);
  color: rgba(255,255,255,0.7);
  padding: 40px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-about p {
  margin: 20px 0;
  line-height: 1.7;
  font-size: 0.95rem;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--light-blue);
  border-color: var(--light-blue);
  color: var(--white);
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 12px;
}

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--light-blue);
  padding-left: 4px;
}

.footer-contacts li {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.footer-contacts .icon {
  color: var(--light-blue);
  min-width: 20px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 0.9rem;
}

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Callback Button === */
.callback-btn-fixed {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 999;
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  padding: 14px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-main);
  cursor: pointer;
  box-shadow: var(--shadow-accent);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.callback-btn-fixed:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 30px rgba(0,153,255,0.5);
}

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--light-gray);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--border-color);
}

.modal h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.modal p {
  color: var(--gray-text);
  margin-bottom: 24px;
}

/* Modal form override (contact-form on white background) */
.modal .contact-form input,
.modal .contact-form textarea,
.modal .contact-form select {
  background: var(--white);
  color: var(--dark-text);
  border: 1px solid var(--border-color);
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
}

.modal .contact-form input::placeholder,
.modal .contact-form textarea::placeholder {
  color: var(--gray-text);
}

.modal .contact-form input:focus,
.modal .contact-form textarea:focus,
.modal .contact-form select:focus {
  border-color: var(--light-blue);
  box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.1);
}

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

.modal .contact-form .btn--primary,
.modal .contact-form .btn-primary {
  width: 100%;
  justify-content: center;
}

.modal .contact-form .form-policy {
  color: var(--gray-text);
}

.modal .contact-form input.error,
.modal .contact-form textarea.error,
.modal .contact-form select.error {
  border-color: #dc3545;
}

.modal .contact-form input.error:focus,
.modal .contact-form textarea.error:focus,
.modal .contact-form select.error:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
  border-color: #dc3545;
}

/* === Service Page Process === */
.process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.process-item {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
}

.process-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--light-blue);
  opacity: 0.3;
  margin-bottom: 10px;
}

.process-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--dark-blue);
}

.process-item p {
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* === Tech Specs (for IP telephony) === */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tech-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}

.tech-card:hover {
  border-color: var(--light-blue);
  box-shadow: var(--shadow-sm);
}

.tech-card h4 {
  font-size: 1.2rem;
  color: var(--dark-blue);
  margin-bottom: 8px;
}

.tech-card p {
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* === Scroll To Top === */
.scroll-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 998;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--dark-blue);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.scroll-top.visible {
  display: flex;
}

.scroll-top:hover {
  background: var(--light-blue);
  transform: translateY(-3px);
}

/* === Cookie Consent === */
.cookie-bar {
  position: fixed;
  bottom: 20px;
  right: 20px;
  left: auto;
  max-width: 380px;
  background: var(--dark-blue);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  display: none;
}

.cookie-bar.visible {
  display: block;
}

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cookie-inner p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.5;
}

.cookie-btn {
  background: var(--light-blue);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font-main);
  align-self: flex-end;
  min-height: 44px;
  min-width: 120px;
  font-size: 0.9rem;
}

/* На мобильных — тонкая полоска сверху */
@media (max-width: 768px) {
  .cookie-bar {
    bottom: auto;
    top: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    border-radius: 0;
    padding: 10px 16px;
    z-index: 2000;
  }

  .cookie-inner {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .cookie-inner p {
    font-size: 0.75rem;
    flex: 1;
  }

  .cookie-btn {
    padding: 6px 16px;
    min-height: 36px;
    min-width: 80px;
    font-size: 0.8rem;
    flex-shrink: 0;
  }
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin: 0 auto 35px; }
  .hero-buttons { justify-content: center; }
  .hero-animation { max-width: 350px; margin: 0 auto; }
  .advantages-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .tariffs-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .tariff-card.featured { margin: 0; padding: 40px 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .section-title { font-size: 1.8rem; }
  .hero-content h1 { font-size: 2.2rem; }
}

/* Планшеты: включаем мобильное меню */
@media (max-width: 1024px) {
  .burger { display: flex; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--dark-blue);
    padding: 80px 24px 24px;
    transition: right 0.3s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }
  .nav.active { right: 0; }
  .nav-list,
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-list a,
  .nav-list .nav-link-btn,
  .nav__link { padding: 14px 16px; font-size: 1rem; }
  .nav-list .nav-link-btn { width: 100%; text-align: left; justify-content: flex-start; }
  .header-phone,
  .header__phone { font-size: 0.8rem; gap: 4px; }
  .header-phone svg { width: 14px; height: 14px; }
}

@media (max-width: 768px) {
  .nav { width: 300px; }
  .nav-list a,
  .nav-list .nav-link-btn,
  .nav__link { padding: 14px 16px; min-height: 48px; display: flex; align-items: center; }
  .mega-cat { min-height: 48px; }
  .callback-btn-fixed { min-height: 48px; }
  .burger { width: 44px; height: 44px; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-content p { font-size: 1rem; }
  .hero-animation { max-width: 280px; }
  .section { padding: 60px 0; }
  .hero.section { padding: 120px 0 60px; }
  .hero .hero-bg { background-size: cover; }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 300px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 110px 0 40px; }
  .page-hero h1 { font-size: 1.8rem; }
  .form-row { grid-template-columns: 1fr; }
  .callback-btn-fixed { left: 15px; bottom: 15px; padding: 10px 16px; font-size: 0.8rem; }
  .scroll-top { right: 15px; bottom: 80px; width: 40px; height: 40px; }
  .section-title { font-size: 1.5rem; }
  .logo { font-size: 1.2rem; }
  .calculator { padding: 24px; }
  .tariff-card.featured { margin: 0; padding: 40px 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .modal { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.5rem; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .btn-lg { padding: 14px 28px; }
  .advantages-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .page-hero h1 { font-size: 1.5rem; }
  .container { padding: 0 15px; }
  .nav { width: 280px; }
  .mega-cat { font-size: 0.85rem; padding: 10px 14px; }
}

@media (max-width: 360px) {
  .hero-content h1 { font-size: 1.3rem; }
  .hero { padding: 100px 0 40px; }
  .hero.section { padding: 100px 0 40px; }
  .hero-content p { font-size: 0.9rem; margin-bottom: 20px; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { text-align: center; }
  .container { padding: 0 12px; }
  .nav { width: 260px; }
  .section-title { font-size: 1.3rem; }
  .page-hero h1 { font-size: 1.3rem; }
  .page-hero { padding: 100px 0 30px; }
}

/* === Dark overlay for mobile menu === */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  display: none;
}

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

/* === Page Hero inner page styles === */
.page-hero .container {
  position: relative;
  z-index: 1;
}

/* === Service detail lists === */
.service-detail-list {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.service-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.service-detail-list li::before {
  content: '→';
  color: var(--light-blue);
  font-weight: 700;
  flex-shrink: 0;
}

/* === Network Diagram for LAN page === */
.network-diagram {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 40px;
  margin: 30px 0;
  text-align: center;
  position: relative;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.network-diagram svg {
  max-width: 100%;
  height: auto;
}

/* === When needed block (4G page) === */
.when-needed {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.need-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
}

.need-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: rgba(0, 153, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.need-item h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.need-item p {
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* === Alternate Component Styles === */
.cta-section {
  background: var(--gradient-primary);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(11,31,58,0.88) 0%, rgba(11,31,58,0.75) 100%),
    url('../img/hero-bg.webp') center/cover no-repeat;
}

.cta-section__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-section__inner h2 {
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.cta-section__inner p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 30px;
  font-size: 1.05rem;
}

.cta-form__row {
  display: flex;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-form .input {
  padding: 14px 20px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
  flex: 1;
  min-width: 200px;
}

.cta-form .input::placeholder {
  color: rgba(255,255,255,0.4);
}

.cta-form .input:focus {
  border-color: var(--light-blue);
  background: rgba(255,255,255,0.1);
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}

.solution-card:hover {
  border-color: var(--light-blue);
  box-shadow: var(--shadow-sm);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-col p,
.footer-col li {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; }
  .cta-form__row { flex-direction: column; }
  .cta-form .input { min-width: 0; }
}

/* === BEM Compatibility Styles === */
.service-card__icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 153, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--dark-blue);
  font-weight: 700;
  line-height: 1.2;
}

.service-card__text {
  font-size: 0.95rem;
  color: var(--gray-text);
  margin-bottom: 20px;
  line-height: 1.6;
}

.solution-card__icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 153, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px;
}

.solution-card__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--dark-blue);
  font-weight: 700;
}

.solution-card__text {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.6;
}

.sidebar__title {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--dark-blue);
  font-weight: 700;
}

.sidebar__menu {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 24px;
}

.sidebar__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar__list a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--dark-text);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.sidebar__list a:hover {
  background: var(--white);
  color: var(--light-blue);
  box-shadow: var(--shadow-sm);
}

.sidebar__cta {
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  padding: 30px;
  color: var(--white);
  text-align: center;
}

.sidebar__cta .sidebar__title {
  color: var(--white);
}

.sidebar__cta p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.footer__title {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.footer__text {
  margin: 20px 0;
  line-height: 1.7;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer__list a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
  text-decoration: none;
}

.footer__list a:hover {
  color: var(--light-blue);
  padding-left: 4px;
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer__contacts a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}

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

.footer__socials {
  display: flex;
  gap: 10px;
}

.footer__social {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
  text-decoration: none;
}

.footer__social:hover {
  background: var(--light-blue);
  border-color: var(--light-blue);
  color: var(--white);
}

.footer__copyright {
  color: rgba(255,255,255,0.4);
  font-size: 0.9rem;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--light-gray);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  transition: var(--transition);
}

.modal__close:hover {
  background: var(--border-color);
}

.modal__title {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.modal__form {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.modal__form input,
.modal__form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
}

.modal__form input:focus,
.modal__form textarea:focus {
  border-color: var(--light-blue);
}

.diagram-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 10px 0;
}

.diagram-arrow {
  text-align: center;
  color: var(--light-blue);
  font-size: 1.5rem;
}

.diagram-arrow--down {
  margin: 5px 0;
}

.diagram-row--split {
  gap: 40px;
}

.btn--primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: var(--shadow-accent);
  justify-content: center;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 153, 255, 0.4);
}

.btn--small {
  background: var(--light-blue);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font-main);
}

.btn--outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--light-blue);
  background: transparent;
  color: var(--light-blue);
  text-decoration: none;
  white-space: nowrap;
}

.btn--outline:hover {
  background: var(--light-blue);
  color: var(--white);
}

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

.floating-btn--phone { background: var(--gradient-accent); }
.floating-btn--viber { background: #665CAC; }
.floating-btn--telegram { background: #0088cc; }

.floating-btn--phone,
.floating-btn--viber,
.floating-btn--telegram {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  text-decoration: none;
}

.floating-btn--phone:hover,
.floating-btn--viber:hover,
.floating-btn--telegram:hover {
  transform: scale(1.1);
}

.cookie-bar__text {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin: 0;
}

.cookie-bar__text a {
  color: var(--light-blue);
  text-decoration: underline;
}

.diagram-item {
  text-align: center;
  padding: 15px;
}

.diagram-item__icon {
  width: 60px;
  height: 60px;
  background: var(--white);
  border: 2px solid var(--light-blue);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 8px;
}

.diagram-item__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark-blue);
}

/* === Mega Menu — Desktop & Mobile === */
.nav-list > li {
  position: relative;
}

.nav-list > li > a,
.nav-list .nav-link-btn {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list .nav-link-btn {
  color: rgba(255,255,255,0.7);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  line-height: inherit;
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
}

.nav-list .nav-link-btn:hover,
.nav-list .nav-link-btn.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-list .nav-link-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--light-blue);
  border-radius: 1px;
}

.dropdown-arrow {
  font-size: 0.6rem;
  transition: transform 0.3s ease;
  display: inline-block;
}

/* === Desktop (≥1025px): two-column grid, no scroll, white-space: nowrap === */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--dark-blue);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  width: auto;
  min-width: 900px;
  max-width: min(1040px, calc(100vw - 48px));
}

@media (min-width: 1025px) {
  .nav-list > li:hover > .mega-menu,
  .nav-list > li.is-focused > .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
  }

  .nav-list > li:hover > .nav-link-btn .dropdown-arrow,
  .nav-list > li.is-focused > .nav-link-btn .dropdown-arrow {
    transform: rotate(180deg);
  }

  .mega-menu-inner {
    display: grid;
    grid-template-columns: 220px 1fr;
  }

  .mega-pair {
    display: contents;
  }

  .mega-cat {
    grid-column: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    color: rgba(255,255,255,0.65);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    gap: 8px;
    white-space: nowrap;
    min-height: 40px;
    transition: background 0.15s ease, color 0.15s ease;
    border-right: 1px solid rgba(255,255,255,0.08);
  }

  .mega-cat:hover,
  .mega-cat.active {
    color: var(--white);
    background: rgba(255,255,255,0.06);
  }

  .mega-cat.active {
    color: var(--light-blue);
  }

  .mega-cat-arrow {
    font-size: 1rem;
    color: rgba(255,255,255,0.3);
    flex-shrink: 0;
  }

  .mega-cat.active .mega-cat-arrow {
    color: var(--light-blue);
  }

  .mega-submenu {
    grid-column: 2;
    grid-row: 1 / span 99;
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 20px 28px;
    background: var(--dark-blue);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
  }

  .mega-submenu.active {
    display: flex;
  }

  .mega-submenu a {
    color: rgba(255,255,255,0.7);
    padding: 6px 0;
    font-size: 0.875rem;
    transition: color 0.15s ease, padding-left 0.15s ease;
    display: block;
    border-radius: 4px;
    white-space: nowrap;
  }

  .mega-submenu a:hover,
  .mega-submenu a:focus-visible {
    color: var(--white);
    padding-left: 8px;
  }

  .mega-submenu-all {
    margin-top: 6px;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--light-blue);
    font-weight: 600;
  }
}

/* === Cities dropdown — simple list, no category accordion on desktop === */
.mega-menu--cities {
  min-width: 220px;
}

@media (min-width: 1025px) {
  .mega-menu--cities .mega-menu-inner {
    display: block;
    padding: 8px 0;
  }
  .mega-menu--cities .mega-pair {
    display: block;
  }
  .mega-menu--cities .mega-cat {
    display: none;
  }
  .mega-menu--cities .mega-submenu {
    display: flex !important;
    flex-direction: column;
    gap: 2px;
    padding: 0 20px;
    position: static;
    background: transparent;
    border-radius: 0;
  }
  .mega-menu--cities .mega-submenu a {
    white-space: nowrap;
    padding: 6px 0;
    font-size: 0.9rem;
  }
  .mega-menu--cities .city-link--all {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 10px;
    margin-bottom: 4px;
    color: var(--light-blue);
    font-weight: 600;
  }
}

/* === Mobile (≤1024px): accordion inside side-panel === */
@media (max-width: 1024px) {
  .mega-menu {
    display: none;
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    background: transparent;
    min-width: 0;
    width: 100%;
  }

  .nav-list > li.js-submenu-open > .mega-menu {
    display: block;
  }

  .nav-list > li.js-submenu-open > .nav-link-btn .dropdown-arrow {
    transform: rotate(180deg);
  }

  .mega-menu-inner {
    display: flex;
    flex-direction: column;
  }

  .mega-pair {
    display: flex;
    flex-direction: column;
  }

  .mega-cat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    min-height: 48px;
    gap: 8px;
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .mega-cat:active {
    background: rgba(255,255,255,0.06);
  }

  .mega-cat .mega-cat-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: rgba(255,255,255,0.4);
    flex-shrink: 0;
  }

  .mega-cat.open .mega-cat-arrow {
    transform: rotate(90deg);
  }

  .mega-submenu {
    display: flex;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 16px;
    background: rgba(0,0,0,0.15);
  }

  .mega-submenu a {
    display: block;
    padding: 10px 12px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    border-radius: 6px;
    white-space: normal;
  }

  .mega-submenu a:active {
    background: rgba(255,255,255,0.08);
    color: var(--white);
  }

  a.mega-submenu-all {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--light-blue);
    font-weight: 600;
  }

  /* BEM dropdown: inline accordion inside mobile panel */
  .nav__item--dropdown > .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    box-shadow: none;
    background: transparent;
    min-width: 0;
    width: 100%;
    padding: 0 0 8px 16px;
  }
  .nav__item--dropdown.is-focused > .dropdown {
    display: block;
  }
  .dropdown a {
    padding: 10px 12px;
    font-size: 0.9rem;
    border-radius: 6px;
  }
  .dropdown a:active {
    background: rgba(255,255,255,0.08);
    color: var(--white);
  }
}

/* Mobile 480px: compact */
@media (max-width: 480px) {
  .mega-cat {
    padding: 12px 14px;
    font-size: 0.9rem;
    min-height: 44px;
  }
  .mega-submenu a {
    padding: 8px 10px;
    font-size: 0.85rem;
  }
}

/* Mobile nav: proper scrolling, no content shift from scrollbar */
@media (max-width: 1024px) {
  .nav {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
  }
  .nav.active {
    height: 100dvh;
    height: 100vh;
    max-height: 100vh;
  }
}

/* === PageSpeed: lazy-load, preload === */
.lazy {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lazy.loaded {
  opacity: 1;
}

/* === Performance hints === */
.modal-overlay {
  will-change: opacity;
}

/* === EEAT Block === */
.eaat-block {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 30px;
  margin: 30px 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
}

.eaat-avatar {
  width: 80px;
  height: 80px;
  min-width: 80px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.eaat-info h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--dark-blue);
}

.eaat-info .eaat-role {
  color: var(--light-blue);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 10px;
}

.eaat-info .eaat-desc {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.6;
}

.eaat-info .eaat-cert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--light-blue);
  margin-top: 8px;
  font-weight: 500;
}

@media (max-width: 600px) {
  .eaat-block {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .eaat-avatar {
    margin: 0 auto;
  }
}

/* === Article Content (Blog) === */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.6rem;
  margin: 40px 0 16px;
  color: var(--dark-blue);
}

.article-content h3 {
  font-size: 1.2rem;
  margin: 30px 0 12px;
  color: var(--dark-blue);
}

.article-content p {
  margin-bottom: 16px;
  color: var(--gray-text);
  line-height: 1.8;
}

.article-content ul, .article-content ol {
  margin: 16px 0;
  padding-left: 24px;
  color: var(--gray-text);
  line-height: 1.8;
}

.article-content ul li {
  list-style: disc;
  margin-bottom: 8px;
}

.article-content ol li {
  list-style: decimal;
  margin-bottom: 8px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

.article-content th {
  background: var(--dark-blue);
  color: var(--white);
  padding: 12px 16px;
  text-align: left;
}

.article-content td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
}

.article-content tr:nth-child(even) td {
  background: var(--light-gray);
}

.article-toc {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 24px 0;
}

.article-toc h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.article-toc ol {
  margin: 0;
  padding-left: 20px;
}

.article-toc ol li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.article-toc ol li a {
  color: var(--light-blue);
}

.article-toc ol li a:hover {
  text-decoration: underline;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: 30px 0;
}

.article-author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.article-author-info h4 {
  font-size: 1rem;
  color: var(--dark-blue);
  margin-bottom: 2px;
}

.article-author-info p {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin: 0;
}

/* === Category Badge === */
.category-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(0, 153, 255, 0.1);
  color: var(--light-blue);
  margin-bottom: 10px;
}

/* === Related Articles === */
.related-articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.related-card {
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.related-card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--light-blue);
}

.related-card h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--dark-blue);
}

.related-card p {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin: 0;
}

/* === Practice block === */
.practice-block {
  background: #e8f4fd;
  border-left: 4px solid #2196F3;
  padding: 20px;
  margin: 25px 0;
  border-radius: 0 8px 8px 0;
}

.practice-block h4 {
  color: #1565C0;
  margin: 0 0 10px 0;
  font-size: 1.1rem;
}

.practice-block p {
  margin: 0;
  line-height: 1.6;
}

/* === Checklist block === */
.checklist-block {
  background: #e8f5e9;
  border-left: 4px solid #4CAF50;
  padding: 20px;
  margin: 25px 0;
  border-radius: 0 8px 8px 0;
}

.checklist-block h4 {
  color: #2E7D32;
  margin: 0 0 10px 0;
  font-size: 1.1rem;
}

.checklist-block ul {
  margin: 0;
  padding-left: 20px;
}

.checklist-block li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* === Article CTA === */
.article-cta {
  background: var(--light-gray);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  margin: 30px 0;
  text-align: center;
}

.article-cta h3 {
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.article-cta p {
  color: var(--gray-text);
  margin-bottom: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.article-cta__form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}

.article-cta__form input {
  flex: 1 1 220px;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.article-cta__form .form-policy {
  width: 100%;
  font-size: 0.8rem;
  margin-bottom: 0;
}

/* === Page Hero Meta === */
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.page-hero-meta .badge {
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.page-hero-meta .badge-wifi { background: rgba(0,153,255,0.1); color: var(--light-blue); }
.page-hero-meta .badge-sks { background: rgba(76,175,80,0.1); color: #2E7D32; }
.page-hero-meta .badge-ip { background: rgba(156,39,176,0.1); color: #7B1FA2; }
.page-hero-meta .badge-4g { background: rgba(255,152,0,0.1); color: #E65100; }
.page-hero-meta .badge-security { background: rgba(244,67,54,0.1); color: #C62828; }
.page-hero-meta .badge-pc { background: rgba(0,188,212,0.1); color: #00838F; }
.page-hero-meta .badge-cartridge { background: rgba(255,87,34,0.1); color: #BF360C; }
.page-hero-meta .badge-server { background: rgba(63,81,181,0.1); color: #283593; }

.page-hero-meta .meta-date,
.page-hero-meta .meta-author,
.page-hero-meta .meta-readtime {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
}

/* === Floating Contact Button (единая кнопка связи) === */
.floating-contact {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.floating-contact-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  z-index: 2;
}

.floating-contact-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(0,153,255,0.5);
}

.floating-contact-toggle .fc-icon-close { display: none; }

.floating-contact.open .floating-contact-toggle .fc-icon-main { display: none; }
.floating-contact.open .floating-contact-toggle .fc-icon-close { display: inline; }

.floating-contact.open .floating-contact-toggle {
  transform: rotate(90deg);
  background: #dc3545;
}

/* Tooltip «Написать нам» */
.fc-tooltip {
  position: absolute;
  right: 66px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  color: var(--dark-text);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  z-index: 1;
}

.floating-contact.open .fc-tooltip {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-50%) translateX(8px);
}

/* Menu with cards */
.floating-contact-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 14px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.floating-contact.open .floating-contact-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Stagger animation */
.floating-contact.open .fc-item {
  opacity: 0;
  transform: translateX(20px);
  animation: fcFadeIn 0.3s ease forwards;
}

.floating-contact.open .fc-item:nth-child(1) { animation-delay: 0.05s; }
.floating-contact.open .fc-item:nth-child(2) { animation-delay: 0.12s; }

@keyframes fcFadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Card item */
.fc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--dark-text);
  background: var(--white);
  padding: 10px 18px 10px 10px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-width: 220px;
  max-width: 260px;
}

.fc-item:hover {
  transform: translateX(-4px);
  box-shadow: var(--shadow-lg);
}

.fc-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fc-item--tg .fc-item-icon { background: #0088cc; }
.fc-item--vb .fc-item-icon { background: #7360F2; }

.fc-item-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.fc-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
}

.fc-item-desc {
  font-size: 0.75rem;
  color: var(--gray-text);
  line-height: 1.3;
}

/* Mobile: narrow screens */
@media (max-width: 480px) {
  .floating-contact {
    bottom: 100px;
    right: 16px;
  }

  .fc-item {
    min-width: 200px;
    max-width: 220px;
    padding: 10px 14px 10px 10px;
  }

  .fc-item-title { font-size: 0.9rem; }
  .fc-item-desc { font-size: 0.72rem; }

  .fc-tooltip { display: none; }
}

@media (max-width: 360px) {
  .fc-item {
    min-width: 180px;
    max-width: 200px;
    padding: 8px 12px 8px 8px;
  }

  .fc-item-icon {
    width: 38px;
    height: 38px;
  }

  .fc-item-icon svg { width: 22px; height: 22px; }
}

/* === Stats / Trust Section === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label {
  font-size: 0.95rem;
  color: var(--gray-text);
  margin-top: 8px;
}

/* === Related Services === */
.related-services-section .services-grid {
  grid-template-columns: repeat(3, 1fr);
}
.related-services-section .service-link {
  display: block;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  color: var(--dark-blue);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  text-align: center;
}
.related-services-section .service-link:hover {
  border-color: var(--light-blue);
  color: var(--light-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,153,255,0.12);
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .related-services-section .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .related-services-section .services-grid { grid-template-columns: 1fr; }
}

/* === Print styles === */
@media print {
  .header, .footer, .callback-btn-fixed, .scroll-top, .cookie-bar, .floating-contact { display: none; }
  .hero { min-height: auto; padding: 40px 0; }
}