:root {
  --font-heading: "Arial", "Helvetica Neue", sans-serif;
  --font-body: "Arial", "Helvetica Neue", sans-serif;
  --blue: #344ff7;
  --cyan: #21b5f6;
  --ink: #111827;
  --text: #243042;
  --muted: #5d6a7c;
  --dark: #07111f;
  --panel: rgba(255, 255, 255, 0.12);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: #f7fbff;
  font-size: 16px;
  line-height: 1.65;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 { font-size: clamp(39px, 8vw, 76px); }
h2 { font-size: clamp(31px, 5.2vw, 52px); }
h3, h4 { font-size: 22px; }
p, li, a, button, input, textarea { font-size: 16px; }

.container-page {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(52, 79, 247, 0.14);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 16px 32px rgba(52, 79, 247, 0.25);
}

.brand-mark svg { width: 25px; height: 25px; }

.desktop-nav {
  display: none;
  align-items: center;
  gap: 20px;
}

.desktop-nav a {
  color: #1f2937;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.desktop-nav a:hover { color: var(--blue); }

.phone-button,
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  text-decoration: none;
  font-weight: 900;
  white-space: nowrap;
  border: 0;
  border-radius: 0;
  box-shadow: 0 20px 44px rgba(52, 79, 247, 0.32), 0 0 0 0 rgba(255, 255, 255, 0.42);
  animation: pulseGlow 2.6s infinite;
  transition: transform .22s ease, filter .22s ease;
}

.phone-button:hover,
.cta-button:hover {
  color: #fff;
  transform: translateY(-2px);
  filter: brightness(1.06);
}

.desktop-phone { display: none; }

.hamburger {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  color: #111827;
  background: #eef6ff;
  border: 1px solid rgba(52, 79, 247, .18);
  border-radius: 0;
}

.mobile-panel {
  display: none;
  position: fixed;
  inset: 76px 0 auto 0;
  z-index: 45;
  background: rgba(7, 17, 31, 0.98);
  padding: 20px 16px 28px;
}

.mobile-panel.open { display: block; }

.mobile-panel a {
  display: block;
  color: #fff;
  padding: 14px 4px;
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.mobile-panel .phone-button {
  margin-top: 18px;
  width: 100%;
  border-bottom: 0;
  padding: 0 12px;
}

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background-image: linear-gradient(90deg, rgba(7,17,31,.96) 0%, rgba(7,17,31,.78) 48%, rgba(7,17,31,.34) 100%), url('../images/hero-technician.jpg');
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 22%, rgba(33,181,246,.45), transparent 30%), radial-gradient(circle at 80% 75%, rgba(52,79,247,.35), transparent 32%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding: 92px 0 64px;
}

.hero h1,
.hero p { color: #fff; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #dff7ff;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
  font-weight: 900;
}

.stars {
  color: var(--cyan);
  font-size: 24px;
  letter-spacing: .12em;
  margin: 18px 0 12px;
}

.hero-icons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0 22px;
  flex-wrap: wrap;
}

.hero-icons img {
  width: auto;
  height: 48px;
  max-width: 120px;
  object-fit: contain;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.5);
  padding: 6px;
}

.hero-copy {
  max-width: 720px;
}

.hero-copy > p {
  max-width: 650px;
  font-size: 18px;
  color: #e8f4ff;
}

.hero-aside {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(24px);
  padding: 24px;
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
}

.hero-aside h2 {
  color: #fff;
  font-size: 28px;
  margin-bottom: 18px;
}

.hero-benefit {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 14px 0;
  color: #f8fbff;
  border-top: 1px solid rgba(255,255,255,.16);
}

.hero-benefit strong { color: #fff; display: block; }

.icon-box {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 30px rgba(33,181,246,.25);
}

section { padding: 72px 0; }

.section-dark {
  background: radial-gradient(circle at top left, rgba(33,181,246,.18), transparent 30%), #07111f;
  color: #e7eef8;
}

.section-dark h2,
.section-dark h3,
.section-dark p,
.section-dark li { color: #fff; }

.section-soft { background: #eef6ff; }

.section-white { background: #fff; }

.section-title {
  max-width: 800px;
  margin-bottom: 34px;
}

.section-title.center { text-align: center; margin-left: auto; margin-right: auto; }

.accent-line {
  width: 68px;
  height: 4px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.center .accent-line { margin-left: auto; margin-right: auto; }

.glass-card,
.info-card,
.service-card,
.review-card,
.step-card,
.part-card,
.faq-card {
  background: rgba(255 255 255 / 28%);
  border: 1px solid rgba(52,79,247,.13);
  border-radius: 0;
  box-shadow: 0 20px 60px rgba(17,24,39,.08);
}

.info-card,
.service-card,
.review-card,
.step-card,
.part-card,
.faq-card { padding: 24px; }

.split-row {
  display: grid;
  gap: 28px;
  align-items: center;
}

.split-text { min-width: 0; }
.split-image img,
.wide-image {
  width: 100%;
  display: block;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  box-shadow: 0 24px 70px rgba(17,24,39,.18);
}

.reviews-shell { position: relative; overflow: hidden; }
.reviews-track { display: flex; transition: transform .45s ease; }
.review-slide { flex: 0 0 100%; padding: 6px; }
.review-card { height: 100%; background: #fff; }
.review-card .name { color: var(--ink); font-weight: 900; margin-bottom: 8px; }
.review-card .mini-stars { color: #f8b400; letter-spacing: .05em; }

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
}

.control-btn {
  width: 46px;
  height: 46px;
  color: #fff;
  background: var(--dark);
  border: 0;
  border-radius: 0;
  font-size: 20px;
}

.why-grid,
.parts-grid,
.services-grid,
.faq-grid {
  display: grid;
  gap: 18px;
}

.step-grid { display: grid; gap: 18px; counter-reset: steps; }
.step-card { position: relative; padding-top: 58px; }
.step-card::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  top: 18px;
  left: 24px;
  color: var(--blue);
  font-weight: 900;
  font-size: 22px;
}

.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  right: -36px;
  top: -36px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(33,181,246,.18), transparent 65%);
}

.service-card ul,
.part-card ul { padding-left: 18px; }
.service-card li,
.part-card li { margin: 10px 0; }

.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #07111f, #102c72 55%, #0b91d4);
  color: #fff;
  padding: 42px;
}

.cta-band h2,
.cta-band p { color: #fff; }
.cta-band::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(255,255,255,.22);
  transform: rotate(18deg);
}

.payment-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0;
  list-style: none;
}
.payment-list li {
  background: #fff;
  color: #111827;
  border: 1px solid rgba(52,79,247,.13);
  padding: 10px 14px;
  font-weight: 800;
}

.site-footer {
  background: #07111f;
  color: #d8e6f7;
  padding: 46px 0 102px;
  font-size: 14px;
}

.site-footer p,
.site-footer a,
.site-footer li { font-size: 14px; color: #d8e6f7; }
.site-footer a { text-decoration: none; }
.site-footer .brand { color: #fff; }
.footer-grid { display: grid; gap: 26px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.disclaimer { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 22px; }

.sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 62px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  text-decoration: none;
  font-weight: 900;
  white-space: nowrap;
  transform: translateY(110%);
  opacity: 0;
  transition: transform .28s ease, opacity .28s ease;
  box-shadow: 0 -16px 34px rgba(7,17,31,.28);
}

.sticky-call.show { transform: translateY(0); opacity: 1; }

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-animate].in-view { opacity: 1; transform: translateY(0); }

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 20px 44px rgba(52,79,247,.32), 0 0 0 0 rgba(255,255,255,.36); }
  50% { box-shadow: 0 20px 44px rgba(52,79,247,.38), 0 0 0 10px rgba(255,255,255,0); }
}

@media (min-width: 768px) {
  .desktop-nav, .desktop-phone { display: inline-flex; }
  .hamburger, .mobile-panel, .sticky-call { display: none !important; }
  .hero-grid { grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr); }
  .split-row { grid-template-columns: 65fr 35fr; }
  .split-row.reverse { grid-template-columns: 35fr 65fr; }
  .split-row.reverse .split-image { order: 1; }
  .split-row.reverse .split-text { order: 2; }
  .why-grid { grid-template-columns: repeat(5, 1fr); }
  .step-grid { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .parts-grid { grid-template-columns: repeat(5, 1fr); }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
  .review-slide { flex-basis: 33.333%; }
  .footer-grid { grid-template-columns: 1.3fr .9fr 1fr; }
}

@media (max-width: 767px) {
  h1 { font-size: clamp(39px, 12vw, 53px); }
  h2 { font-size: clamp(31px, 9vw, 36px); }
  .container-page { width: min(100% - 24px, 640px); }
  .hero { min-height: 720px; background-position: 58% center; }
  .hero-grid { padding-top: 54px; }
  .hero-aside { padding: 18px; }
  section { padding: 54px 0; }
  .cta-band { padding: 28px 20px; }
  .brand span:last-child { max-width: 210px; line-height: 1.05; }
}
