:root {
  --font-heading: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --radius: 18px;
  --container: 1180px;
  --shadow: 0 18px 55px rgba(14, 18, 27, 0.12);
  --border: 1px solid rgba(17, 24, 39, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

body.mobile-menu-open {
  overflow: hidden;
}

a {
  text-decoration: none;
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: var(--border);
}

.header-row {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #111827;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  white-space: nowrap;
}

.logo img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #1f2937;
  font-size: 18px;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-size: 16px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 14px 35px rgba(48, 24, 196, 0.28);
}

.btn-dark {
  background: #111827;
  color: #fff;
}

.btn-light {
  background: #fff;
  color: #111827;
}

.pulse {
  animation: pulseButton 2.4s infinite;
}

@keyframes pulseButton {
  0%, 100% { box-shadow: 0 0 0 0 rgba(48, 24, 196, 0.36); }
  50% { box-shadow: 0 0 0 12px rgba(48, 24, 196, 0); }
}

.icon-inline {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.burger {
  display: none;
  width: 46px;
  height: 46px;
  border: var(--border);
  border-radius: var(--radius);
  background: #fff;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}

.burger span {
  width: 20px;
  height: 2px;
  background: #111827;
}

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(90deg, rgba(5, 6, 10, 0.92) 0%, rgba(8, 9, 14, 0.78) 43%, rgba(8, 9, 14, 0.2) 100%), url('../images/hero.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
}

.hero-content {
  width: min(720px, 100%);
  padding: 90px 0;
}

h1, h2, h3, h4 {
  line-height: 1.08;
  margin: 0;
  font-weight: 850;
}

h1 {
  color: #fff;
  font-size: clamp(45px, 5.4vw, 70px);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(30px, 3.2vw, 46px);
  letter-spacing: -0.035em;
}

h3, h4 {
  font-size: 20px;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 19px;
  max-width: 650px;
  margin: 22px 0 26px;
}

.review-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 10px;
}

.review-icons img {
  width: 88px;
  height: 36px;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
  padding: 5px;
}

.stars {
  color: var(--accent);
  font-size: 26px;
  letter-spacing: 4px;
  margin-bottom: 28px;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-dark {
  background: #0a0a0d;
  color: #fff;
}

.section-head {
  max-width: 850px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.section-head p {
  margin: 16px 0 0;
  color: #4b5563;
  font-size: 18px;
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.accent-line {
  width: 58px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
  margin: 18px auto 0;
}

.section-head.left .accent-line {
  margin-left: 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 65fr) minmax(300px, 35fr);
  gap: 46px;
  align-items: center;
}

.intro-text p {
  font-size: 19px;
  margin: 0;
}

.feature-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-image img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.offer-card, .service-card, .review-card, .problem-panel, .model-box, .area-box, .payment-card, .faq-item {
  background: #fff;
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: 0 14px 45px rgba(15, 23, 42, 0.06);
}

.offer-card {
  padding: 22px;
}

.offer-card strong {
  color: #111827;
  display: block;
  font-size: 18px;
  margin-bottom: 5px;
}

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

.service-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card img {
  width: 68px;
  height: 68px;
  border-radius: 16px;
  object-fit: cover;
  margin-bottom: 18px;
  background: #f3f4f6;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  margin: 0;
  color: #4b5563;
}

.reviews-wrap {
  position: relative;
}

.reviews-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 48px) / 3);
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 2px 22px;
  scrollbar-color: var(--primary) #e5e7eb;
}

.review-card {
  scroll-snap-align: start;
  padding: 26px;
}

.review-card .rating {
  color: var(--accent);
  font-size: 20px;
  letter-spacing: 2px;
}

.review-card strong {
  display: block;
  color: #111827;
  font-size: 18px;
  margin-top: 10px;
}

.review-card span {
  color: #6b7280;
  font-size: 16px;
}

.review-card p {
  color: #374151;
  margin-bottom: 0;
}

.cta {
  position: relative;
  padding: 96px 0;
  background-image: linear-gradient(rgba(5, 6, 10, 0.78), rgba(5, 6, 10, 0.78)), url('../images/cta.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
}

.cta h2 {
  color: #fff;
}

.cta p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
  max-width: 720px;
  margin: 18px auto 28px;
}

.cta-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

.problems-layout {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.tab-list {
  display: grid;
  gap: 10px;
}

.tab-button {
  width: 100%;
  text-align: left;
  background: #fff;
  border: var(--border);
  border-radius: var(--radius);
  padding: 15px 16px;
  font-size: 16px;
  font-weight: 800;
  color: #111827;
  cursor: pointer;
}

.tab-button.active {
  background: #111827;
  color: #fff;
  border-color: #111827;
}

.problem-panel {
  padding: 32px;
  min-height: 420px;
}

.problem-panel h3 {
  margin-bottom: 18px;
}

.problem-panel ul, .faq-item ul {
  margin: 0;
  padding-left: 22px;
}

.problem-panel li {
  margin: 8px 0;
}

.mobile-accordion {
  display: none;
}

.model-box, .area-box {
  padding: 28px;
}

.model-list, .city-grid, .payment-grid {
  display: grid;
  gap: 14px;
}

.model-list {
  grid-template-columns: repeat(4, 1fr);
}

.model-list span, .city-grid span, .zip-list span, .street-list span {
  background: #f4f5f7;
  border-radius: 14px;
  padding: 10px 12px;
  color: #111827;
  font-weight: 700;
}

.zip-list, .street-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.payment-grid {
  grid-template-columns: repeat(6, 1fr);
}

.payment-card {
  padding: 18px 12px;
  text-align: center;
  font-weight: 800;
  color: #111827;
}

.payment-icon {
  width: 34px;
  height: 34px;
  margin: 0 auto 10px;
  border-radius: 12px;
  background: rgba(48, 24, 196, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-narrow {
  max-width: 920px;
  margin: 0 auto;
  font-size: 18px;
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 930px;
  margin: 0 auto;
}

.faq-item summary {
  padding: 22px 24px;
  cursor: pointer;
  color: #111827;
  font-size: 18px;
  font-weight: 850;
}

.faq-item p {
  padding: 0 24px 24px;
  margin: 0;
}

.site-footer {
  background: #0a0a0d;
  color: rgba(255, 255, 255, 0.78);
  padding: 62px 0 32px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.6fr;
  gap: 36px;
  align-items: start;
  margin-bottom: 36px;
}

.site-footer .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a, .site-footer a {
  color: #fff;
  font-size: 14px;
}

.disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 24px;
  font-size: 14px;
  line-height: 1.6;
}

.mobile-call {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 60;
  border-radius: var(--radius);
  min-height: 52px;
}

@media (max-width: 1024px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px 20px;
    border-bottom: var(--border);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links.open {
    display: flex;
  }

  .burger {
    display: inline-flex;
  }

  .offer-grid, .model-list, .payment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .reviews-track {
    grid-auto-columns: calc((100% - 24px) / 2);
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-row {
    min-height: 68px;
    gap: 8px;
  }

  .logo {
    font-size: 24px;
  }

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

  .header-actions .btn {
    min-height: 42px;
    padding: 10px 11px;
    font-size: 0;
  }

  .header-actions .btn .icon-inline {
    margin: 0;
  }

  .burger {
    width: 42px;
    height: 42px;
  }

  .nav-links {
    top: 68px;
  }

  .hero {
    min-height: 560px;
    background-image: linear-gradient(90deg, rgba(5, 6, 10, 0.94) 0%, rgba(5, 6, 10, 0.82) 100%), url('../images/hero.webp');
  }

  .hero-content {
    padding: 70px 0 86px;
  }

  h1 {
    font-size: 35px;
  }

  h2 {
    font-size: 30px;
  }

  .section {
    padding: 62px 0;
  }

  .intro-grid, .problems-layout, .footer-grid {
    grid-template-columns: 1fr;
  }

  .offer-grid, .services-grid, .model-list, .city-grid, .payment-grid {
    grid-template-columns: 1fr;
  }

  .reviews-track {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow: visible;
  }

  .tab-list, .problem-panel {
    display: none;
  }

  .mobile-accordion {
    display: grid;
    gap: 12px;
  }

  .review-icons img {
    width: 74px;
    height: 32px;
  }

  .stars {
    font-size: 22px;
  }

  .cta-meta {
    display: grid;
    gap: 10px;
  }

  .mobile-call {
    display: inline-flex;
  }

  body {
    padding-bottom: 74px;
  }
}

@media (max-width: 390px) {
  .logo span {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}