:root {
  --font-heading: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.14);
}

html {
  scroll-behavior: smooth;
}

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

body.menu-open {
  overflow: hidden;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
h4 {
  letter-spacing: -0.035em;
  line-height: 1.08;
  font-weight: 800;
}

h1 {
  font-size: clamp(2.05rem, 5vw, 4.4rem);
}

h2 {
  font-size: clamp(1.75rem, 3.7vw, 3rem);
}

h3,
h4 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

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

.container {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
}

.header-row {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #111827;
  font-family: var(--font-heading);
  font-size: 23px;
  font-weight: 850;
  white-space: nowrap;
}

.logo-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: #111827;
  box-shadow: 0 12px 30px rgba(185, 28, 28, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: #374151;
  font-size: 16px;
  font-weight: 700;
}

.nav-links a:hover {
  color: #b91c1c;
}

.phone-btn,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: var(--radius);
  font-weight: 850;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  white-space: nowrap;
}

.phone-btn,
.primary-btn {
  color: #ffffff;
  background: #b91c1c;
  box-shadow: 0 16px 32px rgba(185, 28, 28, 0.24);
}

.phone-btn:hover,
.primary-btn:hover {
  color: #ffffff;
  background: #7f1d1d;
  transform: translateY(-2px);
}

.secondary-btn {
  color: #111827;
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.12);
}

.secondary-btn:hover {
  color: #111827;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(17, 24, 39, 0.12);
}

.hamburger {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 16px;
  background: #111827;
  color: #ffffff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.mobile-panel {
  display: none;
}

.hero {
  position: relative;
  isolation: isolate;
  background: radial-gradient(circle at 12% 20%, rgba(220, 38, 38, 0.18), transparent 34%), linear-gradient(135deg, #f9fafb 0%, #e5e7eb 52%, #111827 52%, #1f2937 100%);
  padding: 74px 0 58px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: stretch;
  gap: 36px;
}

.hero-copy,
.hero-visual {
  min-height: 580px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 999px;
  background: #ffffff;
  color: #7f1d1d;
  border: 1px solid rgba(185, 28, 28, 0.18);
  font-weight: 850;
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.06);
}

.stars {
  color: #dc2626;
  letter-spacing: 4px;
  font-size: 24px;
  font-weight: 900;
}

.hero-icons,
.trust-strip,
.payment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-icon,
.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 13px;
  border-radius: var(--radius);
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.08);
  color: #111827;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

.cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-visual {
  position: relative;
  border-radius: calc(var(--radius) + 10px);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #111827;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 50px rgba(17, 24, 39, 0.2);
}

.section {
  padding: 92px 0;
}

.section-alt {
  background: #f3f4f6;
}

.section-dark {
  background: #111827;
  color: #f9fafb;
}

.section-dark p,
.section-dark li {
  color: #e5e7eb;
}

.section-head {
  max-width: 820px;
  margin-bottom: 38px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.accent-line {
  display: block;
  width: 72px;
  height: 5px;
  margin-top: 16px;
  border-radius: 999px;
  background: #dc2626;
  transform-origin: left;
  animation: lineGrow linear both;
  animation-timeline: view();
  animation-range: entry 10% cover 35%;
}

.center .accent-line {
  margin-inline: auto;
  transform-origin: center;
}

@keyframes lineGrow {
  from { width: 72px; }
  to { width: min(100%, 220px); }
}

.intro-card {
  margin-top: -34px;
  position: relative;
  z-index: 3;
  padding: 36px;
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
  border: 1px solid rgba(17, 24, 39, 0.08);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 65%) minmax(260px, 35%);
  gap: 34px;
  align-items: center;
}

.two-col.reverse {
  grid-template-columns: minmax(260px, 35%) minmax(0, 65%);
}

.feature-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.review-shell {
  position: relative;
}

.review-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 24px) / 2);
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 12px;
}

.review-track::-webkit-scrollbar {
  display: none;
}

.review-card,
.service-card,
.step-card,
.part-card,
.why-card,
.area-card {
  border-radius: var(--radius);
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.08);
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.08);
}

.review-card {
  scroll-snap-align: start;
  padding: 28px;
}

.review-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.control-btn {
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: #111827;
  color: #ffffff;
  font-weight: 900;
  cursor: pointer;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  padding: 24px;
}

.icon-badge {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 17px;
  background: #fee2e2;
  color: #991b1b;
}

.icon-badge svg,
.hero-icon svg,
.trust-pill svg,
.phone-btn svg,
.primary-btn svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.parts-grid,
.steps-grid,
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.part-card,
.step-card,
.why-card,
.area-card {
  padding: 24px;
}

.section-dark .step-card,
.section-dark .area-card {
  color: #374151;
}

.section-dark .step-card h3,
.section-dark .area-card h3 {
  color: #111827 !important;
}

.section-dark .step-card p,
.section-dark .area-card p {
  color: #374151;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 14px;
  color: #ffffff;
  background: #b91c1c;
  font-weight: 900;
}

.city-list {
  columns: 2;
  column-gap: 32px;
  padding-left: 18px;
}

.cta-band {
  border-radius: calc(var(--radius) + 8px);
  padding: 42px;
  background: linear-gradient(135deg, #111827, #7f1d1d);
  color: #ffffff;
  box-shadow: var(--shadow);
}

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

.payment-chip {
  padding: 13px 18px;
  border-radius: var(--radius);
  background: #ffffff;
  color: #111827;
  border: 1px solid rgba(17, 24, 39, 0.08);
  font-weight: 850;
}

.footer {
  padding: 54px 0 28px;
  background: #111827;
  color: #d1d5db;
}

.footer a {
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 34px;
}

.footer .logo {
  color: #ffffff;
}

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

.disclaimer {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #d1d5db;
}

.sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  display: none;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  background: rgba(17, 24, 39, 0.98);
  transform: translateY(110%);
  opacity: 0;
  transition: transform 220ms ease, opacity 220ms ease;
}

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

.sticky-call a {
  width: 100%;
  min-height: 54px;
}

@media (max-width: 1024px) {
  .nav-links {
    gap: 14px;
  }

  .services-grid,
  .parts-grid,
  .steps-grid,
  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  body {
    padding-bottom: 78px;
  }

  h1 {
    font-size: clamp(2.05rem, 11vw, 3.08rem);
  }

  h2 {
    font-size: clamp(1.55rem, 8vw, 2.1rem);
  }

  .header-row {
    min-height: 72px;
  }

  .logo {
    font-size: 22px;
  }

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

  .hamburger {
    display: inline-flex;
  }

  .mobile-panel {
    position: fixed;
    inset: 72px 0 auto 0;
    display: block;
    background: #ffffff;
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
    box-shadow: 0 28px 60px rgba(17, 24, 39, 0.18);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 200ms ease, opacity 200ms ease;
  }

  .mobile-panel.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-panel a {
    display: block;
    padding: 16px 24px;
    color: #111827;
    font-weight: 800;
    border-top: 1px solid rgba(17, 24, 39, 0.08);
  }

  .mobile-phone-row {
    padding: 14px 24px 20px;
  }

  .mobile-phone-row .phone-btn {
    width: 100%;
    padding-inline: 12px;
  }

  .hero {
    padding: 42px 0 44px;
    background: linear-gradient(180deg, #f9fafb 0%, #f3f4f6 58%, #111827 58%, #1f2937 100%);
  }

  .hero-grid,
  .two-col,
  .two-col.reverse,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-visual {
    min-height: auto;
  }

  .hero-copy {
    padding: 8px 0 0;
  }

  .hero-visual {
    min-height: 360px;
  }

  .section {
    padding: 64px 0;
  }

  .intro-card,
  .cta-band {
    padding: 24px;
  }

  .review-track {
    grid-auto-columns: 88%;
  }

  .services-grid,
  .parts-grid,
  .steps-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .city-list {
    columns: 1;
  }

  .sticky-call {
    display: block;
  }
}

@media (min-width: 768px) {
  .mobile-only,
  .sticky-call {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}