:root {
  --line: rgba(32, 96, 173, .18);
  --shadow: 0 22px 60px rgba(11, 23, 40, .12);
}

html {
  scroll-behavior: smooth;
}

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

body.nav-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4 {
  font-weight: 800;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(39px, 8.8vw, 72px);
  line-height: .98;
}

h2 {
  font-size: clamp(31px, 6.2vw, 48px);
  line-height: 1.05;
}

h3,
h4 {
  font-size: 22px;
  line-height: 1.15;
}

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

.site-shell {
  background:
    linear-gradient(90deg, rgba(32,96,173,.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(32,96,173,.04) 1px, transparent 1px);
  background-size: 44px 44px;
}

.topbar {
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 850;
  letter-spacing: -.04em;
}

.nav-link {
  color: #111827;
  font-weight: 700;
  line-height: 1;
  transition: color .2s ease;
}

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

.phone-btn,
.cta-btn {
  border-radius: 0;
  font-weight: 850;
  letter-spacing: -.01em;
  white-space: nowrap;
  transition: transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}

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

.cta-btn {
  position: relative;
  overflow: visible;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 16px 36px rgba(32, 96, 173, .34);
}

.cta-btn::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 2px solid rgba(255,255,255,.54);
  opacity: 0;
  animation: pulse-glow 2.2s ease-in-out infinite;
}

.hero {
  position: relative;
  min-height: 760px;
  background-image: linear-gradient(90deg, rgba(6, 16, 31, .93) 0%, rgba(9, 28, 55, .82) 45%, rgba(9, 28, 55, .32) 100%), url('../images/hero-technician.jpg');
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(83,143,214,.4), transparent 28%), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(180deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  pointer-events: none;
}

.hero h1,
.hero h2,
.hero h3,
.hero p,
.hero li {
  color: #fff;
}

.hero .section-kicker,
.dark-band .section-kicker {
  color: #fff;
}

.hero-card {
  background: rgba(255, 255, 255, .15);
  border: 1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(18px);
}

.stars {
  color: var(--accent);
  font-size: 28px;
  letter-spacing: .1em;
  text-shadow: 0 6px 18px rgba(0,0,0,.3);
}

.brand-badges img {
  width: auto;
  height: 48px;
  max-width: 31%;
  object-fit: contain;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.5);
  padding: 7px 10px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 13px;
}

.section-kicker::after,
.accent-line {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  background: var(--secondary);
}

.panel {
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
  border-radius: 0;
}

.split-card {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: ;
  box-shadow: 0 18px 50px rgba(32,96,173,.09);
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.check-list li,
.service-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
}

.check-list li::before,
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--secondary);
  background: linear-gradient(135deg, #fff 0 45%, var(--primary) 46% 100%);
}

.icon-box {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #F4F8FD;
}

.icon-box svg {
  width: 31px;
  height: 31px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2.1;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.dark-band {
  background: linear-gradient(135deg, #0B1728, #102C52 58%, #2060AD);
  color: #fff;
}

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

.dark-band .cta-btn.bg-white {
  background: #fff;
  color: #111827;
}

.dark-band .cta-btn.bg-white::after {
  border-color: rgba(255,255,255,.54);
}

.review-track {
  display: flex;
  transition: transform .45s ease;
}

.review-slide {
  flex: 0 0 100%;
  padding: 0 8px;
}

.review-card {
  height: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 24px;
  box-shadow: 0 14px 32px rgba(11,23,40,.08);
}

.faq-item {
  border-top: 1px solid var(--line);
}

.faq-item button {
  width: 100%;
  text-align: left;
}

.mobile-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

body.nav-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  transform: translateY(110%);
  opacity: 0;
  transition: transform .28s ease, opacity .28s ease;
}

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

.footer-text,
.footer-text p,
.footer-text a,
.footer-text li {
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}

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

@keyframes pulse-glow {
  0% { opacity: 0; transform: scale(.96); }
  45% { opacity: .65; transform: scale(1.02); }
  100% { opacity: 0; transform: scale(1.08); }
}

@media (min-width: 768px) {
  .hero {
    min-height: 820px;
  }

  .split-card {
    grid-template-columns: 65fr 35fr;
  }

  .split-card.media-left {
    grid-template-columns: 35fr 65fr;
  }

  .review-slide {
    flex-basis: 33.3333%;
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: clamp(39px, 11vw, 50px);
  }

  h2 {
    font-size: clamp(31px, 8vw, 36px);
  }

  .hero {
    min-height: 800px;
    background-position: 58% center;
  }

  .brand-badges img {
    height: 42px;
    padding: 6px;
  }

  .mobile-safe-bottom {
    padding-bottom: 86px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}