:root {
  --font-heading: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --navy-950: #041023;
  --navy-900: #071326;
  --navy-850: #0b1d37;
  --cyan: #40CAFF;
  --blue: #4065FF;
  --ink: #111827;
  --muted-light: #c8d8ea;
}

html { scroll-behavior: smooth; }
body { margin: 0; font-size: 16px; line-height: 1.7; background: var(--navy-950); color: #eaf4ff; }
body.mobile-menu-open { overflow: hidden; }
a { text-decoration: none; }
p { font-size: 16px; }
h1, h2, h3, h4 { font-weight: 800; letter-spacing: -0.03em; }
h1 { font-size: clamp(39px, 6vw, 74px); line-height: 0.98; color: #ffffff; }
h2 { font-size: clamp(31px, 4vw, 48px); line-height: 1.08; color: #ffffff; }
h3, h4 { font-size: 22px; line-height: 1.22; }
.light-section h2, .light-section h3, .light-section h4, .light-card h3, .light-card h4 { color: #111827; }
.light-section p, .light-card p, .light-card li { color: #334155; }

.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: rgba(4,16,35,0.88); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(64,202,255,0.18); }
.header-inner { max-width: 1220px; margin: 0 auto; min-height: 82px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 12px; color: #ffffff; font-size: 24px; font-weight: 800; white-space: nowrap; }
.logo-mark { width: 42px; height: 42px; display: inline-grid; place-items: center; border: 1px solid rgba(64,202,255,0.65); background: linear-gradient(135deg, rgba(64,202,255,0.16), rgba(64,101,255,0.28)); box-shadow: 0 0 28px rgba(64,202,255,0.18); }
.desktop-nav { display: none; align-items: center; gap: 18px; }
.desktop-nav a { color: #eaf4ff; font-size: 16px; font-weight: 700; opacity: 0.86; }
.desktop-nav a:hover { color: var(--cyan); opacity: 1; }
.header-phone-desktop { display: none !important; }
.hamburger { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; color: #ffffff; border: 1px solid rgba(64,202,255,0.5); background: rgba(64,202,255,0.08); }
.hamburger span, .hamburger span::before, .hamburger span::after { width: 22px; height: 2px; background: #ffffff; display: block; position: relative; content: ""; }
.hamburger span::before { position: absolute; top: -7px; }
.hamburger span::after { position: absolute; top: 7px; }
.mobile-panel { display: none; position: fixed; top: 82px; left: 0; right: 0; z-index: 49; background: rgba(7,19,38,0.98); border-bottom: 1px solid rgba(64,202,255,0.2); padding: 20px 24px 28px; }
.mobile-panel.open { display: block; }
.mobile-panel a { display: block; color: #ffffff; font-size: 17px; font-weight: 700; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }

.hero { min-height: 100vh; position: relative; display: flex; align-items: center; padding: 130px 24px 72px; overflow: hidden; background-image: linear-gradient(90deg, rgba(4,16,35,0.96) 0%, rgba(4,16,35,0.82) 45%, rgba(4,16,35,0.54) 100%), url('../images/hero-technician.jpg'); background-size: cover; background-position: center; }
.hero::before { content: ""; position: absolute; inset: -20%; background: radial-gradient(circle at 18% 22%, rgba(64,202,255,0.26), transparent 28%), radial-gradient(circle at 72% 72%, rgba(64,101,255,0.24), transparent 30%); animation: floatGlow 9s ease-in-out infinite alternate; }
.hero-inner { position: relative; z-index: 1; max-width: 1220px; width: 100%; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr); gap: 44px; align-items: center; }
.eyebrow { display: inline-flex; color: #ffffff; border-left: 4px solid var(--cyan); padding-left: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; font-size: 13px; }
.stars { color: var(--cyan); font-size: 28px; letter-spacing: 6px; margin: 18px 0 12px; text-shadow: 0 0 22px rgba(64,202,255,0.7); }
.hero-icons-row { display: flex; align-items: center; gap: 12px; margin: 12px 0 26px; flex-wrap: wrap; }
.gallery-badge { height: 48px; width: auto; max-width: 112px; object-fit: contain; padding: 6px 12px; border: 1px solid rgba(64,202,255,0.6); background: rgba(255,255,255,0.1); box-shadow: 0 0 18px rgba(64,202,255,0.16); }
.hero-copy { color: #eaf4ff; font-size: 18px; max-width: 760px; }
.hero-benefits { background: rgba(7,19,38,0.72); border: 1px solid rgba(64,202,255,0.34); box-shadow: 0 0 48px rgba(64,101,255,0.18), inset 0 0 42px rgba(64,202,255,0.06); padding: 34px; backdrop-filter: blur(18px); transform: translateY(0); animation: panelLift 5s ease-in-out infinite alternate; }
.benefit-row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.09); color: #eaf4ff; }
.benefit-row:last-child { border-bottom: 0; }
.icon-box { flex: 0 0 44px; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(64,202,255,0.56); color: var(--cyan); background: rgba(64,202,255,0.08); }
.cta-button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 56px; padding: 0 28px; margin-top: 18px; background: linear-gradient(90deg, var(--blue), var(--cyan)); color: #031124 !important; font-weight: 900; font-size: 17px; border: 0; box-shadow: 0 0 0 rgba(255,255,255,0.0); white-space: nowrap; animation: whitePulse 2.4s infinite; }
.cta-button:hover { transform: translateY(-2px); filter: brightness(1.08); }

.section { padding: 88px 24px; position: relative; overflow: hidden; }
.container { max-width: 1220px; margin: 0 auto; }
.section-dark { background: linear-gradient(180deg, var(--navy-900), var(--navy-950)); color: #eaf4ff; }
.section-mid { background: linear-gradient(135deg, #071326, #0d2242 56%, #071326); color: #eaf4ff; }
.light-section { background: #f6f9fd; color: #334155; }
.section-heading { max-width: 900px; margin-bottom: 38px; }
.accent-line { width: 76px; height: 4px; background: linear-gradient(90deg, var(--cyan), var(--blue)); margin: 18px 0 0; box-shadow: 0 0 18px rgba(64,202,255,0.58); }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { border: 1px solid rgba(64,202,255,0.24); background: rgba(9,28,54,0.78); padding: 26px; color: #eaf4ff; box-shadow: 0 0 30px rgba(64,101,255,0.08); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-5px); border-color: rgba(64,202,255,0.62); box-shadow: 0 0 42px rgba(64,202,255,0.14); }
.card h3, .card h4 { color: #ffffff; }
.card p, .card li { color: #d8e8f8; }
.light-card { background: #ffffff; color: #334155; border: 1px solid #d9e4ef; box-shadow: 0 24px 70px rgba(15,23,42,0.08); }
.light-card p, .light-card li { color: #334155; }
.light-card h3, .light-card h4 { color: #111827; }
.service-icon { width: 54px; height: 54px; margin-bottom: 18px; color: var(--cyan); }
.check-list { list-style: none; padding: 0; margin: 18px 0 0; }
.check-list li { position: relative; padding-left: 24px; margin: 8px 0; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 9px; height: 9px; background: var(--cyan); box-shadow: 0 0 12px rgba(64,202,255,0.6); }
.split { display: grid; grid-template-columns: minmax(0, 65%) minmax(260px, 35%); gap: 38px; align-items: center; }
.split.reverse { grid-template-columns: minmax(260px, 35%) minmax(0, 65%); }
.feature-image { width: 100%; min-height: 300px; object-fit: cover; border: 1px solid rgba(64,202,255,0.28); box-shadow: 0 0 44px rgba(64,101,255,0.18); }
.process-step { display: grid; grid-template-columns: 72px 1fr; gap: 22px; align-items: start; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.step-num { width: 56px; height: 56px; display: grid; place-items: center; color: #031124; font-weight: 900; background: linear-gradient(135deg, var(--cyan), var(--blue)); }
.review-shell { position: relative; overflow: hidden; }
.review-track { display: flex; transition: transform .45s ease; }
.review-card { min-width: 33.3333%; padding: 12px; }
.review-inner { height: 100%; background: rgba(255,255,255,0.96); color: #334155; border: 1px solid #d9e4ef; padding: 26px; box-shadow: 0 18px 45px rgba(3,17,36,0.16); }
.review-inner h3 { color: #111827; }
.review-inner p { color: #334155; }
.review-controls { display: flex; justify-content: center; gap: 12px; margin-top: 22px; }
.review-controls button { width: 48px; height: 48px; border: 1px solid rgba(64,202,255,0.55); color: #ffffff; background: rgba(64,202,255,0.12); font-size: 22px; }
.zip-row, .payment-row { display: flex; flex-wrap: wrap; gap: 12px; }
.pill { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border: 1px solid rgba(64,202,255,0.44); background: rgba(64,202,255,0.08); color: #ffffff; font-weight: 800; }
.light-section .pill { background: #ffffff; color: #111827; border-color: #cbd5e1; }
.cta-band { background: linear-gradient(90deg, rgba(64,101,255,0.24), rgba(64,202,255,0.16)); border: 1px solid rgba(64,202,255,0.36); padding: 34px; display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer { background: #030b17; color: #dbeafe; padding: 56px 24px 96px; font-size: 14px; }
.footer p, .footer a { font-size: 14px; color: #dbeafe; }
.footer-grid { display: grid; grid-template-columns: 1.1fr 0.8fr 1.2fr; gap: 34px; }
.mobile-sticky-call { display: none !important; }
.mobile-sticky-call.show { transform: translateY(0); opacity: 1; pointer-events: auto; }

@media (min-width: 768px) {
  .desktop-nav { display: flex !important; }
  .header-phone-desktop { display: inline-flex !important; }
  .hamburger, .mobile-panel, .mobile-sticky-call { display: none !important; }
}

@media (max-width: 767px) {
  h1 { font-size: clamp(39px, 13vw, 52px); }
  h2 { font-size: clamp(31px, 10vw, 38px); }
  .header-inner { min-height: 72px; padding: 0 16px; }
  .logo { font-size: 24px; }
  .logo-mark { width: 38px; height: 38px; }
  .desktop-nav, .header-phone-desktop { display: none !important; }
  .hamburger { display: inline-flex !important; }
  .mobile-panel { top: 72px; }
  .hero { padding: 112px 18px 58px; }
  .hero-inner, .grid-2, .grid-3, .grid-4, .split, .split.reverse, .footer-grid { grid-template-columns: 1fr; }
  .hero-benefits { padding: 24px; }
  .cta-button { width: 100%; padding: 0 16px; font-size: 16px; }
  .section { padding: 62px 18px; }
  .review-card { min-width: 100%; }
  .cta-band { display: block; }
  .feature-image { min-height: 230px; }
  .mobile-sticky-call { display: flex !important; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; height: 64px; align-items: center; justify-content: center; background: linear-gradient(90deg, var(--blue), var(--cyan)); color: #031124 !important; font-weight: 900; font-size: 16px; white-space: nowrap; transform: translateY(100%); opacity: 0; pointer-events: none; transition: transform .28s ease, opacity .28s ease; box-shadow: 0 -10px 30px rgba(64,202,255,0.28); }
  body { padding-bottom: 64px; }
}

@keyframes whitePulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.42), 0 0 28px rgba(64,202,255,0.18); } 50% { box-shadow: 0 0 0 13px rgba(255,255,255,0), 0 0 42px rgba(64,202,255,0.32); } }
@keyframes floatGlow { from { transform: translate3d(-12px,-8px,0); } to { transform: translate3d(14px,10px,0); } }
@keyframes panelLift { from { transform: translateY(0); } to { transform: translateY(-12px); } }