:root {
  --font-heading: Georgia, "Times New Roman", serif;
  --font-body: Arial, Helvetica, sans-serif;
}

html { scroll-behavior: smooth; }
body { min-width: 320px; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
p, li { font-size: 16px; line-height: 1.75; }
h1 { font-size: 39px; line-height: 1.05; letter-spacing: -0.03em; }
h2 { font-size: 31px; line-height: 1.15; letter-spacing: -0.02em; }
h3, h4 { font-size: 22px; line-height: 1.25; }

.site-shell { background: linear-gradient(180deg, #ffffff 0%, #f3f7fa 44%, #ffffff 100%); }
.container { width: min(1180px, calc(100% - 32px)); margin-left: auto; margin-right: auto; }
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(30,55,73,.12); }
.logo-text { font-family: var(--font-heading); font-size: 24px; color: #111827; letter-spacing: -0.02em; }
.nav-link { color: #1f2937; font-size: 16px; font-weight: 700; }
.nav-link:hover { color: var(--primary); }
.desktop-only { display: none !important; }
.mobile-only { display: inline-flex !important; }
@media (min-width: 768px) { .desktop-only { display: flex !important; } .mobile-only { display: none !important; } }

.phone-btn, .cta-btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; background: #1E3749; color: #fff !important; border: 2px solid #1E3749; font-weight: 800; white-space: nowrap; min-height: 48px; padding: 0 1.25rem; position: relative; overflow: visible; }
.phone-btn:hover, .cta-btn:hover { background: #122433; border-color: #122433; transform: translateY(-2px); }
.cta-btn::after { content: ""; position: absolute; inset: -8px; border: 2px solid rgba(255,255,255,.54); opacity: .72; animation: pulseGlow 1.8s infinite; pointer-events: none; }

.hero { min-height: 760px; background-image: linear-gradient(90deg, rgba(8,19,29,.96) 0%, rgba(15,34,48,.83) 48%, rgba(15,34,48,.36) 100%), url('../images/hero-technician.jpg'); background-size: cover; background-position: center; position: relative; color: #fff; overflow: hidden; }
.hero::before, .motion-bg::before { content: ""; position: absolute; inset: -35%; background: repeating-linear-gradient(122deg, transparent 0 72px, rgba(91,134,164,.14) 73px, rgba(91,134,164,.14) 75px), linear-gradient(130deg, rgba(255,255,255,.08), transparent 38%); animation: backgroundDrift 18s linear infinite; pointer-events: none; }
.hero h1, .hero h2, .hero h3 { color: #fff !important; }
.hero-content { position: relative; z-index: 2; padding: 132px 0 78px; }
.stars { color: #D9A441; font-size: 24px; letter-spacing: .18em; }
.gallery-badge { width: auto; height: 48px; max-width: 96px; object-fit: contain; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.12); padding: 5px; }
.benefit-panel { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28); backdrop-filter: blur(18px); }
.benefit-panel p, .benefit-panel li, .benefit-panel span { color: #fff; }
.line-icon { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; background: rgba(91,134,164,.17); border: 1px solid rgba(91,134,164,.34); color: var(--primary); flex-shrink: 0; }
.dark-card .line-icon, .benefit-panel .line-icon { color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.12); }
.accent-rule { width: 56px; height: 4px; background: #5B86A4; margin-top: 16px; }
.section-pad { padding: 78px 0; }
.split-block { display: flex; flex-direction: column; gap: 28px; align-items: stretch; }
.split-text, .split-image { width: 100%; }
.split-image img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; display: block; }
.architect-card { position: relative; background: #fff; border: 1px solid rgba(30,55,73,.12); box-shadow: 0 24px 80px rgba(14,27,38,.09); }
.architect-card::before { content: ""; position: absolute; inset: 16px; border: 1px solid rgba(91,134,164,.18); pointer-events: none; }
.service-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 16px; }
.service-card { background: #fff; border: 1px solid rgba(30,55,73,.13); padding: 22px; min-height: 150px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 20px 45px rgba(14,27,38,.11); border-color: rgba(91,134,164,.45); }
.dark-section { position: relative; background: #0E1B26; color: #E5E7EB; overflow: hidden; }
.dark-section h2, .dark-section h3, .dark-section h4 { color: #fff !important; }
.dark-section p, .dark-section li { color: #DDE6EC; }
.review-track { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 8px 2px 24px; scrollbar-width: thin; }
.review-card { flex: 0 0 88%; scroll-snap-align: start; background: #fff; border: 1px solid rgba(30,55,73,.12); padding: 24px; min-height: 245px; color: #374151; }
.review-card strong { color: #111827; font-size: 18px; display: block; margin-bottom: 12px; }
.review-card .stars { font-size: 16px; letter-spacing: .08em; margin-bottom: 12px; }
.faq details { background: #fff; border: 1px solid rgba(30,55,73,.14); padding: 20px 22px; }
.faq summary { cursor: pointer; color: #111827; font-size: 18px; font-weight: 800; }
.faq p { margin-top: 12px; color: #374151; }
.footer { background: #07121A; color: #D1D5DB; font-size: 14px; }
.footer p, .footer a, .footer li { font-size: 14px; color: #D1D5DB; }
.footer h3, .footer h4 { color: #fff !important; }
.footer .logo-text { color: #fff; }
.mobile-menu { display: none; position: fixed; inset: 73px 0 auto 0; z-index: 45; background: #fff; border-bottom: 1px solid rgba(30,55,73,.14); box-shadow: 0 24px 60px rgba(14,27,38,.18); }
.mobile-menu.is-open { display: block; }
.mobile-sticky-call { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: none; background: #1E3749; color: #fff !important; min-height: 58px; align-items: center; justify-content: center; font-weight: 900; white-space: nowrap; transform: translateY(110%); opacity: 0; transition: opacity .28s ease, transform .28s ease; box-shadow: 0 -14px 28px rgba(14,27,38,.24); }
.mobile-sticky-call.is-visible { display: flex; transform: translateY(0); opacity: 1; }
.bottom-safe { padding-bottom: 76px; }
.floating-lines { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(120deg, transparent 0 24%, rgba(91,134,164,.12) 24.1%, transparent 24.6%), linear-gradient(32deg, transparent 0 64%, rgba(91,134,164,.16) 64.1%, transparent 64.5%); }
@keyframes pulseGlow { 0% { transform: scale(.96); opacity: .72; } 70% { transform: scale(1.12); opacity: 0; } 100% { transform: scale(1.12); opacity: 0; } }
@keyframes backgroundDrift { from { transform: translate3d(-2%, -1%, 0); } to { transform: translate3d(2%, 1%, 0); } }

@media (max-width: 767px) {
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .hero { min-height: 760px; background-position: 58% center; }
  .hero-content { padding: 104px 0 54px; }
  .stars { font-size: 20px; }
  .gallery-badge { height: 42px; max-width: 80px; }
  .section-pad { padding: 54px 0; }
}

@media (min-width: 768px) {
  .mobile-menu { display: none !important; }
  .mobile-sticky-call, .mobile-sticky-call.is-visible { display: none !important; }
  .bottom-safe { padding-bottom: 0; }
  .split-block { flex-direction: row; align-items: stretch; }
  .split-text { flex: 0 0 calc(65% - 14px); }
  .split-image { flex: 0 0 calc(35% - 14px); }
  .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .review-card { flex-basis: calc((100% - 36px) / 3); }
}

@media (min-width: 1100px) {
  h1 { font-size: 58px; }
  h2 { font-size: 42px; }
  .service-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}