:root {
  --bg-color: #05070b;
  --surface-color: #0d1117;
  --surface-card: #121821;
  --surface-card-hover: #182231;
  --text-main: #ffffff;
  --text-secondary: #9ba7b7;
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-color: #2f80ed;
  --accent-dark: #1f5fb7;
  --accent-glow: rgba(47, 128, 237, 0.25);
  --accent-soft: rgba(47, 128, 237, 0.12);
  --success-color: #35c78a;
  --font-family: 'Manrope', sans-serif;
  --container-width: 1200px;
  --header-height: 76px;
  --radius: 22px;
  --radius-sm: 14px;
  --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  overflow-x: hidden;
  line-height: 1.5;
}

body.no-scroll {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--accent-color);
  color: #fff;
  padding: 12px 16px;
  border-radius: 999px;
  z-index: 200;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: min(92%, var(--container-width));
  margin: 0 auto;
}

.section {
  padding: 100px 0;
}

.section-dark {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
}

h1 {
  font-size: clamp(38px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
}

h3 {
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 12px;
}

p, li {
  font-size: 16px;
  color: var(--text-secondary);
}

.text-gradient {
  background: linear-gradient(90deg, #ffffff 0%, #9ec5ff 45%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent {
  color: #8ab8ff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.accent-light {
  color: rgba(255,255,255,0.75);
}

.center {
  text-align: center;
}

.center-block {
  margin-inline: auto;
  text-align: center;
}

.mt-10 {
  margin-top: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
  min-height: 48px;
}

.btn-primary {
  background: var(--accent-color);
  color: #fff;
  box-shadow: 0 12px 30px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #3b8df8;
}

.btn-white {
  background: #fff;
  color: var(--accent-dark);
}

.btn-white:hover {
  transform: translateY(-2px);
  background: #eef5ff;
}

.btn-sm {
  padding: 10px 20px;
  min-height: 42px;
  font-size: 14px;
}

.btn-xl {
  padding: 18px 32px;
  min-height: 58px;
  font-size: 17px;
}

.btn-link {
  color: #8ab8ff;
  font-size: 14px;
  font-weight: 700;
}

.btn-link:hover {
  color: #fff;
}

.btn-arrow {
  transition: transform var(--transition);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: rgba(5, 7, 11, 0.76);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  color: #fff;
  font-size: 15px;
  box-shadow: 0 10px 24px var(--accent-glow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.nav-link:hover {
  color: #fff;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.city-badge,
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
  color: #d7e6ff;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-color);
  box-shadow: 0 0 12px rgba(53, 199, 138, 0.65);
}

.burger-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.burger-btn span {
  width: 18px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}

.burger-btn.active span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.burger-btn.active span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 11, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.4s ease;
  z-index: 90;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-inner {
  width: min(92%, 360px);
  display: flex;
  flex-direction: column;
  gap: 22px;
  text-align: center;
}

.mobile-link {
  font-size: 24px;
  font-weight: 800;
}

.mobile-contacts {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.full-width {
  width: 100%;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,7,11,0.9) 0%, rgba(5,7,11,0.74) 45%, rgba(5,7,11,0.58) 100%);
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  filter: saturate(0.95);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 0;
}

.hero-desc {
  max-width: 720px;
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 36px;
  color: #d4deea;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 36px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

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

.stat-num {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}

.stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.stat-separator {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.16);
}

.section-top {
  max-width: 760px;
  margin-bottom: 52px;
}

.services-grid,
.reviews-wrapper,
.problems-grid {
  display: grid;
  gap: 24px;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.review-card,
.problem-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 30px;
  transition: var(--transition);
}

.service-card:hover,
.review-card:hover,
.problem-card:hover {
  transform: translateY(-6px);
  background: var(--surface-card-hover);
  border-color: rgba(138, 184, 255, 0.32);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--accent-soft);
  color: #8ab8ff;
  font-weight: 800;
}

.service-card p,
.review-card p {
  margin-bottom: 20px;
}

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

.problem-card ul {
  display: grid;
  gap: 12px;
}

.problem-card li {
  position: relative;
  padding-left: 18px;
}

.problem-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-color);
}

.prices-bg {
  background: #090d13;
}

.split-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 64px;
}

.sticky-side {
  position: sticky;
  top: 110px;
  align-self: start;
}

.prices-list {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 20px 28px;
}

.price-item {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.price-item:last-child {
  border-bottom: none;
}

.price-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 8px;
}

.service-name {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.service-price {
  font-size: 18px;
  font-weight: 800;
  color: #9ec5ff;
  white-space: nowrap;
}

.service-note {
  font-size: 14px;
  color: var(--text-secondary);
}

.reviews-wrapper {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #233043;
  color: #fff;
  font-weight: 800;
}

.user-avatar.orange {
  background: var(--accent-color);
}

.review-user span {
  font-size: 13px;
  color: var(--text-secondary);
}

.stars {
  color: #ffcb45;
  letter-spacing: 0.2em;
}

.cta-section {
  padding: 0 0 100px;
}

.cta-box {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  border-radius: 34px;
  padding: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  box-shadow: 0 20px 60px rgba(47, 128, 237, 0.24);
}

.cta-content {
  max-width: 680px;
}

.cta-title {
  color: #fff;
  margin-bottom: 16px;
}

.cta-subtitle,
.cta-note {
  color: rgba(255,255,255,0.88);
}

.pulse-animation {
  animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.55); }
  70% { box-shadow: 0 0 0 18px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}

.footer {
  border-top: 1px solid var(--border-color);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

.footer-logo {
  margin-bottom: 10px;
}

.footer-logo-img {
  width: 34px;
  height: 34px;
}

.contact-link {
  display: inline-block;
  font-size: 24px;
  font-weight: 700;
  margin-top: 4px;
}

.hover-line:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
}

.preloader {
  position: fixed;
  inset: 0;
  background: #040608;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hide {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  animation: fadeText 1.5s infinite;
}

@keyframes fadeText {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

@media (max-width: 1100px) {
  .services-grid,
  .reviews-wrapper {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .sticky-side {
    position: static;
  }

  .cta-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .desktop-only {
    display: none;
  }

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

  .section {
    padding: 80px 0;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(34px, 10vw, 52px);
  }

  .hero-content {
    padding: 48px 0 72px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .hero-stats {
    gap: 16px;
  }

  .stat-separator {
    display: none;
  }

  .services-grid,
  .problems-grid,
  .reviews-wrapper,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .prices-list {
    padding: 10px 22px;
  }

  .price-head {
    flex-direction: column;
    gap: 8px;
  }

  .cta-box {
    padding: 36px 24px;
    border-radius: 26px;
  }

  .contact-link {
    font-size: 20px;
  }
}