:root {
  --font-heading: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --line: rgba(164, 36, 36, 0.22);
  --glass: rgba(255, 255, 255, 0.84);
  --shadow: 0 26px 70px rgba(23, 17, 17, 0.14);
}

* {
  border-radius: 0 !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  font-size: 16px;
  background: #f2f2f2;
}

h1 {
  font-size: 40px;
  line-height: 1.04;
  letter-spacing: -0.045em;
  font-weight: 900;
}

h2 {
  font-size: 31px;
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 900;
}

h3,
h4 {
  font-size: 22px;
  line-height: 1.18;
  font-weight: 800;
}

p,
li,
td,
th,
summary,
input,
textarea,
button,
a {
  font-size: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(23, 17, 17, 0.94);
  backdrop-filter: blur(16px);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
}

.desktop-nav,
.desktop-phone {
  display: none !important;
}

.mobile-menu-button {
  display: inline-flex !important;
}

.mobile-panel {
  display: none;
  background: #171111;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

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

.nav-link {
  color: #fff;
  font-weight: 800;
  opacity: 0.9;
  transition: opacity 180ms ease, color 180ms ease;
}

.nav-link:hover,
.nav-link:focus {
  color: #f3c34f;
  opacity: 1;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border: 2px solid #a42424;
  background: #a42424;
  color: #fff !important;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.56), 0 16px 36px rgba(164, 36, 36, 0.34);
  animation: pulseGlow 2.4s ease-in-out infinite;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, opacity 180ms ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background: #741818;
  border-color: #741818;
  transform: translateY(-2px);
}

.btn-header {
  min-height: 46px;
  padding: 0 16px;
  color: #fff !important;
}

.hero {
  position: relative;
  min-height: 760px;
  isolation: isolate;
  background: #171111 url('../images/hero-technician.jpg') center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, rgba(23, 17, 17, 0.96) 0%, rgba(23, 17, 17, 0.84) 48%, rgba(23, 17, 17, 0.38) 100%);
}

.hero::after,
.section-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, transparent 0, transparent calc(25% - 1px), rgba(255,255,255,.09) 25%, transparent calc(25% + 1px), transparent 100%), linear-gradient(0deg, transparent 0, transparent calc(100% - 1px), rgba(255,255,255,.08) 100%);
  z-index: -1;
}

.hero h1,
.dark-section h2,
.dark-section h3,
.dark-section h4 {
  color: #fff !important;
}

.hero p,
.dark-section p,
.dark-section li,
.dark-section a:not(.btn-primary) {
  color: rgba(255, 255, 255, 0.9);
}

.star-row {
  color: #f3c34f;
  font-size: 26px;
  letter-spacing: 0.12em;
}

.trust-icon {
  width: auto;
  height: 48px;
  max-width: 120px;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  padding: 7px 10px;
}

.glass-card {
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.floating-card {
  background: var(--glass);
  border: 1px solid rgba(164, 36, 36, 0.14);
  box-shadow: var(--shadow);
  transition: transform 220ms ease, box-shadow 220ms ease, opacity 220ms ease;
}

.floating-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 90px rgba(164, 36, 36, 0.22);
}

.accent-line {
  width: 68px;
  height: 5px;
  margin-top: 16px;
  background: linear-gradient(90deg, #a42424, #bd6e6e);
}

.kicker {
  color: #a42424;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
}

.icon-tile {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: #a42424;
  background: #fff;
  border: 1px solid rgba(164, 36, 36, 0.18);
  box-shadow: 0 12px 26px rgba(164, 36, 36, 0.12);
}

.icon-tile svg {
  width: 29px;
  height: 29px;
  stroke: currentColor;
}

.service-card {
  min-height: 100%;
  background: #fff;
  border: 1px solid rgba(23, 17, 17, 0.08);
  box-shadow: 0 16px 45px rgba(23, 17, 17, 0.08);
}

.split-block {
  display: grid;
  gap: 24px;
  align-items: center;
}

.split-block img {
  width: 100%;
  min-height: 250px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.model-chip {
  display: inline-block;
  margin: 5px 4px 0 0;
  padding: 8px 10px;
  color: #171111;
  background: #fff;
  border: 1px solid rgba(164, 36, 36, 0.18);
  font-weight: 800;
}

.problem-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  box-shadow: var(--shadow);
}

.problem-table th,
.problem-table td {
  padding: 18px;
  border: 1px solid rgba(23, 17, 17, 0.1);
  text-align: left;
  vertical-align: top;
  color: #374151;
}

.problem-table th {
  background: #171111;
  color: #fff;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: #a42424;
  font-weight: 900;
}

.reviews-track {
  display: flex;
  transition: transform 350ms ease;
}

.review-slide {
  flex: 0 0 100%;
  padding: 10px;
}

.review-card {
  height: 100%;
  background: #fff;
  color: #374151;
  border: 1px solid rgba(164, 36, 36, 0.14);
  box-shadow: var(--shadow);
}

.review-card strong,
.review-card h3 {
  color: #111827;
}

.carousel-button {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(164, 36, 36, 0.3);
  background: #fff;
  color: #a42424;
  font-weight: 900;
  transition: background 180ms ease, color 180ms ease;
}

.carousel-button:hover {
  background: #a42424;
  color: #fff;
}

.faq-item {
  background: #fff;
  border: 1px solid rgba(23, 17, 17, 0.1);
  box-shadow: 0 14px 34px rgba(23, 17, 17, 0.07);
}

.faq-item summary {
  cursor: pointer;
  color: #111827;
  font-weight: 900;
}

.site-footer {
  background: #171111;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.site-footer p,
.site-footer li,
.site-footer a,
.site-footer address {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.site-footer a:hover {
  color: #f3c34f;
}

.mobile-sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: none !important;
  transform: translateY(110%);
  opacity: 0;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(23, 17, 17, 0.95);
  transition: transform 220ms ease, opacity 220ms ease;
}

.mobile-sticky-call.is-visible {
  display: block !important;
  transform: translateY(0);
  opacity: 1;
}

.mobile-sticky-call a {
  width: 100%;
  min-height: 54px;
  color: #fff !important;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,.42), 0 16px 36px rgba(164,36,36,.34); }
  50% { box-shadow: 0 0 0 12px rgba(255,255,255,0), 0 20px 46px rgba(164,36,36,.42); }
}

@media (min-width: 768px) {
  h1 { font-size: 58px; }
  h2 { font-size: 40px; }
  .desktop-nav { display: flex !important; }
  .desktop-phone { display: inline-flex !important; }
  .mobile-menu-button,
  .mobile-panel,
  .mobile-sticky-call,
  .mobile-sticky-call.is-visible { display: none !important; }
  .split-block { grid-template-columns: 65% 35%; }
  .split-block.image-left { grid-template-columns: 35% 65%; }
  .split-block.image-left .split-image { order: 1; }
  .split-block.image-left .split-text { order: 2; }
  .review-slide { flex-basis: 33.333333%; }
}

@media (max-width: 767px) {
  body { padding-bottom: 82px; }
  .hero { min-height: 820px; }
  .trust-icon { height: 42px; max-width: 94px; padding: 6px; }
  .problem-table { display: block; overflow-x: auto; }
  .desktop-nav,
  .desktop-phone { display: none !important; }
}