:root {
  --font-heading: "Arial", "Helvetica Neue", sans-serif;
  --font-body: "Arial", "Helvetica Neue", sans-serif;
  --graphite: #101827;
  --line: rgba(66, 132, 211, 0.26);
  --shadow: 0 24px 70px rgba(7, 17, 31, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  text-decoration: none;
}

p {
  font-size: 16px;
}

h1, h2, h3, h4 {
  margin: 0 0 18px;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(39px, 5vw, 68px);
}

h2 {
  font-size: clamp(31px, 3.5vw, 46px);
}

h3, h4 {
  font-size: 22px;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 17, 31, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  opacity: 0.9;
}

.nav-links a:hover {
  color: #B9DBFF;
}

.phone-btn, .primary-btn, .mobile-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 14px 22px;
  border: 1px solid rgba(118, 183, 255, 0.9);
  border-radius: 0;
  background: linear-gradient(135deg, var(--primary), #0B3F80);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.42), 0 16px 34px rgba(14, 83, 167, 0.35);
  animation: pulseGlow 2.6s infinite;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.phone-btn:hover, .primary-btn:hover, .mobile-call:hover {
  color: #FFFFFF;
  transform: translateY(-2px);
  background: linear-gradient(135deg, #1668C9, var(--primary-dark));
  box-shadow: 0 0 24px rgba(118, 183, 255, 0.65), 0 18px 42px rgba(14, 83, 167, 0.42);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 0;
  background: transparent;
  color: #FFFFFF;
  font-size: 24px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 82px);
  color: #FFFFFF;
  background-image: linear-gradient(90deg, rgba(7,17,31,0.94) 0%, rgba(7,17,31,0.78) 46%, rgba(7,17,31,0.38) 100%), url('../images/hero-technician.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% 36%;
  height: 320px;
  background: radial-gradient(circle, rgba(66,132,211,0.36), transparent 62%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.62fr);
  align-items: center;
  gap: 44px;
  padding: 52px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #D8ECFF;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 13px;
}

.eyebrow::before, .accent-line {
  content: "";
  display: inline-block;
  width: 54px;
  height: 3px;
  background: var(--secondary);
  box-shadow: 0 0 18px rgba(66,132,211,0.85);
}

.hero h1, .hero h2, .hero h3 {
  color: #FFFFFF;
}

.stars {
  color: #76B7FF;
  font-size: 23px;
  letter-spacing: 5px;
  margin: 0 0 16px;
  text-shadow: 0 0 15px rgba(118,183,255,0.75);
}

.hero-copy {
  max-width: 740px;
  color: #F3F8FF;
  font-size: 18px;
  margin: 0 0 22px;
}

.trust-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  flex-wrap: wrap;
}

.trust-icons img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,0.26);
  background: rgba(255,255,255,0.08);
  padding: 8px;
}

.hero-cta-text {
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 14px;
}

.benefit-panel {
  padding: 28px;
  background: linear-gradient(145deg, rgba(255,255,255,0.14), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.benefit-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.benefit-item:last-child {
  border-bottom: 0;
}

.icon-box {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(118,183,255,0.7);
  color: #FFFFFF;
  background: rgba(14,83,167,0.28);
}

.icon-box svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.benefit-item strong {
  display: block;
  color: #FFFFFF;
  font-size: 17px;
}

.benefit-item span {
  color: #DDEEFF;
  font-size: 15px;
}

section {
  padding: 86px 0;
}

.section-dark {
  background: radial-gradient(circle at 80% 0%, rgba(66,132,211,0.22), transparent 34%), #07111F;
}

.section-alt {
  background: linear-gradient(180deg, #F4F8FD, #FFFFFF);
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

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

.section-head.centered .accent-line {
  margin: 0 auto 18px;
}

.section-head .accent-line {
  margin: 0 0 18px;
}

.intro-card {
  padding: 34px;
  background: #FFFFFF;
  border: 1px solid #DCE9F7;
  box-shadow: 0 18px 50px rgba(7, 17, 31, 0.08);
}

.split-section {
  display: grid;
  grid-template-columns: 65% 35%;
  gap: 34px;
  align-items: center;
}

.split-section.reverse {
  grid-template-columns: 35% 65%;
}

.split-section.reverse .split-media {
  order: 1;
}

.split-section.reverse .split-text {
  order: 2;
}

.split-media {
  position: relative;
  min-height: 330px;
  border: 1px solid #CFE0F2;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 330px;
  object-fit: cover;
}

.split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 56%, rgba(7,17,31,0.38));
}

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

.comparison-table th, .comparison-table td {
  padding: 20px;
  text-align: left;
  border: 1px solid #DDE8F5;
  vertical-align: top;
  font-size: 16px;
}

.comparison-table th {
  background: #07111F;
  color: #FFFFFF;
  font-size: 17px;
}

.services-grid, .problem-grid, .faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card, .problem-card, .faq-card, .review-card {
  position: relative;
  padding: 24px;
  background: rgba(255,255,255,0.94);
  border: 1px solid #DDE8F5;
  border-radius: 0;
  box-shadow: 0 16px 40px rgba(7,17,31,0.07);
}

.service-card::before, .problem-card::before, .faq-card::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  width: 54px;
  height: 3px;
  background: var(--secondary);
  box-shadow: 0 0 16px rgba(66,132,211,0.75);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(14,83,167,0.25);
  background: #F4F8FD;
  color: var(--primary);
}

.service-icon svg, .problem-card svg {
  width: 32px;
  height: 32px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

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

.problem-card svg {
  color: var(--primary);
}

.cta-band {
  padding: 38px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 22px;
  background: linear-gradient(135deg, #07111F, #0E53A7);
  color: #FFFFFF;
  border: 1px solid rgba(118,183,255,0.34);
  box-shadow: var(--shadow);
}

.cta-band h2, .cta-band h3, .cta-band p {
  color: #FFFFFF;
}

.process-steps {
  counter-reset: steps;
  display: grid;
  gap: 16px;
}

.process-step {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  background: #FFFFFF;
  border: 1px solid #DDE8F5;
}

.process-step::before {
  content: counter(steps, decimal-leading-zero);
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #07111F;
  color: #FFFFFF;
  font-weight: 900;
}

.reviews-shell {
  position: relative;
  overflow: hidden;
}

.reviews-track {
  display: flex;
  transition: transform 0.45s ease;
}

.review-slide {
  min-width: 33.3333%;
  padding: 0 9px;
}

.review-card {
  min-height: 290px;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,248,253,0.98));
}

.review-card .stars {
  color: var(--primary);
  font-size: 17px;
  letter-spacing: 2px;
  text-shadow: none;
}

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

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.slider-controls button {
  width: 48px;
  height: 48px;
  border: 1px solid var(--primary);
  background: #FFFFFF;
  color: var(--primary);
  border-radius: 0;
  font-size: 24px;
  cursor: pointer;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.contact-card {
  padding: 30px;
  background: #FFFFFF;
  border: 1px solid #DDE8F5;
  box-shadow: 0 18px 45px rgba(7,17,31,0.08);
}

.contact-card a {
  color: #000000;
  font-weight: 900;
}

.service-area-list {
  padding: 24px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.16);
  color: #FFFFFF;
}

.service-area-list p, .service-area-list h3 {
  color: #FFFFFF;
}

.site-footer {
  padding: 52px 0 96px;
  background: #07111F;
  color: #DDEEFF;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1.4fr;
  gap: 28px;
  align-items: start;
}

.site-footer a {
  color: #FFFFFF;
  font-size: 14px;
}

.site-footer p,
.site-footer span {
  font-size: 14px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.disclaimer {
  font-size: 14px;
  color: #BFD6EF;
}

.mobile-call-wrap {
  display: none;
}

.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.38), 0 16px 34px rgba(14,83,167,0.35); }
  72% { box-shadow: 0 0 0 15px rgba(255,255,255,0), 0 16px 34px rgba(14,83,167,0.35); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0), 0 16px 34px rgba(14,83,167,0.35); }
}

@media (max-width: 1020px) {
  .nav-wrap {
    min-height: 96px;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 0;
  }

  .brand {
    flex: 1 1 calc(100% - 60px);
    font-size: 24px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    flex-basis: 100%;
    order: 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding-bottom: 10px;
  }

  .nav-links.is-open {
    display: grid;
  }

  .header-phone {
    order: 2;
    min-height: 44px;
    padding: 10px 12px;
    font-size: 15px;
  }

  .hero {
    min-height: calc(100vh - 96px);
  }

  .hero-grid {
    min-height: calc(100vh - 96px);
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 34px 0;
  }

  .benefit-panel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 18px;
  }

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

  .split-section, .split-section.reverse, .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }

  .split-section.reverse .split-media, .split-section.reverse .split-text {
    order: initial;
  }

  .cta-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: clamp(28px, 9vw, 48px);
  }

  h2 {
    font-size: clamp(22px, 8vw, 34px);
  }

  section {
    padding: 58px 0;
  }

  .brand {
    font-size: 24px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .header-phone {
    flex: 1 1 100%;
    order: 3;
    width: 100%;
  }

  .nav-links {
    order: 4;
  }

  .hero-grid {
    align-items: start;
  }

  .hero-copy, .hero-cta-text {
    font-size: 16px;
  }

  .trust-icons img {
    width: 58px;
    height: 58px;
  }

  .benefit-panel {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .services-grid, .problem-grid, .faq-grid {
    grid-template-columns: 1fr;
  }

  .comparison-table, .comparison-table tbody, .comparison-table tr, .comparison-table td, .comparison-table th {
    display: block;
    width: 100%;
  }

  .comparison-table thead {
    display: none;
  }

  .comparison-table td:first-child {
    background: #07111F;
    color: #FFFFFF;
    font-weight: 800;
  }

  .review-slide {
    min-width: 100%;
  }

  .mobile-call-wrap {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    display: block;
    padding: 8px max(12px, env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-right));
    background: rgba(7,17,31,0.94);
  }

  .mobile-call {
    width: 100%;
    white-space: nowrap;
    min-height: 58px;
    padding: 12px;
  }
}
