:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --orange: #ff8c00;
  --orange-dim: rgba(255, 140, 0, 0.15);
  --white: #ffffff;
  --gray: #a0a0a0;
  --gray-dark: #666;
  --border: #2a2a2a;
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.875rem 0;
}

.header__brand {
  flex: 1;
  min-width: 0;
}

/* Общий блок: логотип + «Саратов…» — шапка и подвал одинаково */
.brand-block {
  display: inline-block;
  max-width: 100%;
  --logo-h: 72px;
}

.brand-block__logo {
  display: block;
  line-height: 0;
}

.brand-block__logo img {
  height: var(--logo-h);
  width: auto;
  max-width: min(100%, calc(var(--logo-h) * 4.0625));
  object-fit: contain;
  object-position: left center;
}

.brand-block__region {
  margin: calc(var(--logo-h) * -0.055) 0 0;
  padding-left: 22%;
  font-size: calc(var(--logo-h) * 0.0955);
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
}

/* Шапка — размер логотипа не менять */
.header .brand-block {
  --logo-h: 120px;
}

.header__call {
  flex-shrink: 0;
  padding: 1rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
}

.btn--primary {
  background: var(--orange);
  color: #000;
}

.btn--primary:hover {
  background: #ff9f2e;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255, 140, 0, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}

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

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--orange-dim) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 40%, transparent);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--orange-dim);
  border: 1px solid rgba(255, 140, 0, 0.3);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--orange);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero__title span {
  color: var(--orange);
}

.hero__text {
  font-size: 1.0625rem;
  color: var(--gray);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero__stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--orange);
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--gray);
  margin-top: 0.25rem;
}

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

.hero__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.16);
  transition: border-color 0.2s, transform 0.2s;
}

.hero__card:hover {
  border-color: rgba(255, 140, 0, 0.38);
  transform: translateY(-2px);
}

.hero__card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-bottom: 0.75rem;
}

.hero__card-list {
  list-style: none;
}

.hero__card-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hero__card-list li:last-child {
  border-bottom: none;
}

.hero__card-list li::before {
  content: "⚡";
  color: var(--orange);
  font-size: 0.875rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section--dark {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section__title::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-top: 0.75rem;
  background: var(--orange);
  border-radius: 3px;
}

.section__subtitle {
  color: var(--gray);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* Services grid */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.service {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  min-height: 100%;
  transition: border-color 0.2s, transform 0.2s;
}

a.service {
  display: block;
  color: inherit;
}

a.service:hover {
  color: inherit;
}

.section--dark .service,
.section--dark .review {
  background: var(--bg);
}

.service:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
}

.service__icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.service__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service--komtrans {
  border-color: rgba(255, 140, 0, 0.55);
  background: linear-gradient(160deg, var(--bg-card) 0%, rgba(255, 140, 0, 0.07) 100%);
}

.section--dark .service--komtrans {
  background: linear-gradient(160deg, var(--bg) 0%, rgba(255, 140, 0, 0.09) 100%);
}

.service--komtrans .service__title {
  color: var(--orange);
}

.service--fuel {
  border-color: rgba(76, 175, 80, 0.55);
  background: linear-gradient(160deg, var(--bg-card) 0%, rgba(76, 175, 80, 0.08) 100%);
}

.section--dark .service--fuel {
  background: linear-gradient(160deg, var(--bg) 0%, rgba(76, 175, 80, 0.1) 100%);
}

.service--fuel .service__title {
  color: #5dce62;
}

.service__text {
  font-size: 0.875rem;
  color: var(--gray);
}

.service-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.service-links a {
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  background: var(--bg-card);
  transition: border-color 0.2s, color 0.2s;
}

.section--dark .service-links a {
  background: var(--bg);
}

.service-links a:hover {
  border-color: var(--orange);
  color: var(--orange);
}

a.hero__pill:hover {
  border-color: rgba(255, 140, 0, 0.45);
  color: var(--orange);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step {
  text-align: center;
  padding: 1.5rem 1rem;
}

.step__num {
  width: 48px;
  height: 48px;
  background: var(--orange);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.125rem;
  margin: 0 auto 1rem;
}

.step__title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step__text {
  font-size: 0.875rem;
  color: var(--gray);
}

/* Why us */
.why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.why__item {
  padding: 1.5rem;
  border-left: 3px solid var(--orange);
  background: var(--bg);
  transition: transform 0.2s, background 0.2s;
}

.why__item:hover {
  background: #101010;
  transform: translateY(-2px);
}

.why__title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.why__text {
  font-size: 0.875rem;
  color: var(--gray);
}

/* CTA */
.cta {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--orange-dim), transparent);
  border: 1px solid rgba(255, 140, 0, 0.2);
  border-radius: 16px;
}

.cta__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta__text {
  color: var(--gray);
  margin-bottom: 2rem;
}

.cta__phone {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--orange);
  display: block;
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  padding: 2.5rem 0 2rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer .brand-block {
  --logo-h: 72px;
}

.footer__copy {
  width: 100%;
  font-size: 0.75rem;
  color: var(--gray-dark);
  padding-top: 1.25rem;
  margin-top: 0.25rem;
  border-top: 1px solid var(--border);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8125rem;
}

.footer__links a {
  color: var(--gray);
}

.footer__links a:hover {
  color: var(--orange);
}

.footer__phone {
  font-weight: 700;
  color: var(--white);
}

.footer__phone:hover {
  color: var(--orange);
}

/* Reviews */
.reviews-summary {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding: 1.5rem 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.reviews-summary__score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}

.reviews-summary__stars {
  color: var(--orange);
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.reviews-summary__count {
  font-size: 0.875rem;
  color: var(--gray);
  margin-top: 0.25rem;
}

.reviews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.review {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.review:hover {
  border-color: rgba(255, 140, 0, 0.38);
  transform: translateY(-2px);
}

.review__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.review__name {
  font-weight: 700;
}

.review__meta {
  font-size: 0.8125rem;
  color: var(--gray);
  margin-top: 0.125rem;
}

.review__stars {
  color: var(--orange);
  font-size: 0.875rem;
  white-space: nowrap;
}

.review__text {
  font-size: 0.9375rem;
  color: var(--gray);
}

.review__tag {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.25rem 0.625rem;
  background: var(--orange-dim);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--orange);
}

/* SEO text */
.seo-text {
  max-width: 820px;
}

.seo-text p {
  color: var(--gray);
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.seo-text__h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin: 1.75rem 0 0.75rem;
}

.seo-text strong {
  color: var(--white);
  font-weight: 600;
}

.seo-text {
  position: relative;
  padding-left: 1.5rem;
}

.seo-text::before {
  content: "";
  position: absolute;
  top: 0.4rem;
  bottom: 0.4rem;
  left: 0;
  width: 2px;
  background: linear-gradient(var(--orange), transparent);
  border-radius: 2px;
}

/* Подпись региона ровно по ширине строки «ФЕДЕРАЛЬНЫЙ … ДИАГНОСТИКИ» */
@media (min-width: 769px) {
  .header .brand-block__region {
    font-size: calc(var(--logo-h) * 0.102);
    padding-left: 19.5%;
    margin-top: calc(var(--logo-h) * -0.08);
    letter-spacing: 0.025em;
    transform: scaleX(1.37);
    transform-origin: left center;
  }

  .footer .brand-block__region {
    font-size: calc(var(--logo-h) * 0.115);
    padding-left: 19.5%;
    margin-top: calc(var(--logo-h) * -0.08);
    letter-spacing: 0.025em;
    transform: scaleX(1.27);
    transform-origin: left center;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .brand-block__region {
    font-size: calc(var(--logo-h) * 0.125);
    padding-left: 22%;
    margin-top: calc(var(--logo-h) * -0.06);
  }

  .footer .brand-block__region {
    font-size: calc(var(--logo-h) * 0.125);
  }

  .header__inner {
    gap: 0.75rem;
  }

  .header__logo img {
    height: 80px;
    max-width: min(100%, 480px);
  }

  .header .brand-block {
    --logo-h: 80px;
  }

  .header__call {
    padding: 0.875rem 1.125rem;
    font-size: 0.875rem;
  }

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

  .hero {
    padding: 2.75rem 0 3.5rem;
  }

  .hero__visual {
    order: -1;
  }

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

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

  .section {
    padding: 3rem 0;
  }

  .service-links {
    gap: 0.5rem;
  }

  .service-links a {
    flex: 1 1 145px;
    text-align: center;
  }

  .seo-text {
    padding-left: 1rem;
  }

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

  .review__head {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .review__stars {
    order: -1;
  }
}

@media (max-width: 900px) and (min-width: 769px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    gap: 1.5rem;
  }
}

/* Главная Саратова — основной контент */
.saratov-main .hero--saratov {
  padding: 5.25rem 0 5.75rem;
  background:
    radial-gradient(circle at 76% 32%, rgba(255, 140, 0, 0.13), transparent 26rem),
    linear-gradient(135deg, rgba(255, 140, 0, 0.05), transparent 42%);
}

.saratov-main .hero__content {
  position: relative;
}

.saratov-main .hero__content::before {
  content: "";
  position: absolute;
  top: 0.3rem;
  bottom: 0.5rem;
  left: -1.25rem;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(var(--orange), transparent 82%);
}

.saratov-main .hero__title {
  max-width: 650px;
  font-size: clamp(2.35rem, 5.2vw, 4rem);
  letter-spacing: -0.045em;
}

.saratov-main .hero__text {
  max-width: 570px;
  font-size: 1.075rem;
}

.saratov-main .hero__actions {
  margin-bottom: 1.25rem;
}

.saratov-main .hero__service-nav {
  margin: 0 0 2rem;
}

.saratov-main .hero__pill {
  transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s;
}

.saratov-main .hero__pill:hover {
  background: var(--orange-dim);
  transform: translateY(-1px);
}

.saratov-main .hero__stats {
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 1.35rem;
}

.saratov-main .hero__stats > div {
  min-width: 145px;
  padding: 0 1.25rem;
  border-right: 1px solid var(--border);
}

.saratov-main .hero__stats > div:first-child {
  padding-left: 0;
}

.saratov-main .hero__stats > div:last-child {
  border-right: 0;
}

.saratov-main .hero__card {
  overflow: hidden;
}

.saratov-main .hero__card--tasks {
  border-color: rgba(255, 140, 0, 0.26);
  background:
    linear-gradient(135deg, rgba(255, 140, 0, 0.08), transparent 55%),
    var(--bg-card);
}

.saratov-main .hero__card--coverage {
  position: relative;
  background: #101010;
}

.saratov-main .hero__card--coverage::after {
  content: "24V";
  position: absolute;
  right: 1.25rem;
  bottom: -0.55rem;
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 140, 0, 0.08);
  pointer-events: none;
}

.coverage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.coverage-tags span {
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(255, 140, 0, 0.25);
  border-radius: 100px;
  color: var(--orange);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.saratov-main #uslugi .services {
  gap: 1rem;
}

.saratov-main #uslugi .service {
  position: relative;
  overflow: hidden;
}

.saratov-main #uslugi .service::after {
  content: "";
  position: absolute;
  top: 0;
  left: 1.75rem;
  right: 1.75rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 140, 0, 0.48), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.saratov-main #uslugi .service:hover::after {
  opacity: 1;
}

.saratov-main #trassy .route-card {
  min-height: 100%;
  background:
    linear-gradient(135deg, rgba(255, 140, 0, 0.08), transparent 50%),
    var(--bg);
}

.saratov-main .cta {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.26);
}

@media (max-width: 768px) {
  .saratov-main .hero--saratov {
    padding: 3.25rem 0 3.75rem;
  }

  .saratov-main .hero__content::before {
    display: none;
  }

  .saratov-main .hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .saratov-main .hero__stats > div,
  .saratov-main .hero__stats > div:first-child {
    min-width: 0;
    padding: 0 0.65rem;
  }

  .saratov-main .hero__stats > div:first-child {
    padding-left: 0;
  }

  .saratov-main .hero__stat-value {
    font-size: 1.35rem;
  }

  .saratov-main .hero__stat-label {
    font-size: 0.7rem;
    line-height: 1.35;
  }
}