/* ==========================================================================
   NJ LEAK DETECTION - PENNSAUKEN, NJ
   Design System & Stylesheet
   ========================================================================== */

:root {
  --primary-navy: #0b3b60;
  --primary-light: #1864ab;
  --primary-dark: #072238;
  --accent-blue: #0284c7;
  --accent-cyan: #e0f2fe;
  --call-orange: #d9480f;
  --call-orange-hover: #b03405;
  --text-main: #2b303a;
  --text-light: #495057;
  --text-muted: #6c757d;
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(11, 59, 96, 0.08);
  --shadow-lg: 0 10px 25px rgba(11, 59, 96, 0.12);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-stack);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Navigation */
header {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.site-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo span {
  color: var(--accent-blue);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-links > li {
  position: relative;
}

.nav-links a {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--primary-light);
}

/* Dropdown Menu */
.dropdown > a {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  min-width: 270px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 0.75rem 0;
  list-style: none;
  border: 1px solid var(--border-color);
  z-index: 1001;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu,
.dropdown.active .dropdown-menu {
  display: block;
}

.dropdown-menu li a {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
}

.dropdown-menu li a:hover {
  background-color: var(--accent-cyan);
  color: var(--primary-navy);
}

/* Call Button - Exclusively Styled */
.call-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--call-orange);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  min-height: 44px;
  min-width: 44px;
  transition: background-color 0.2s ease, transform 0.15s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(217, 72, 15, 0.25);
}

.call-btn:hover, .call-btn:focus {
  background-color: var(--call-orange-hover);
  color: #ffffff !important;
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  color: var(--primary-navy);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #072238 0%, #0b3b60 100%);
  color: #ffffff;
  padding: 4.5rem 0 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-text p {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #e2e8f0;
  margin-bottom: 1.75rem;
}

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* Breadcrumbs */
.breadcrumbs-nav {
  background: #ffffff;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
}

.breadcrumbs-list li+li::before {
  content: "/";
  margin-right: 0.5rem;
  color: #cbd5e1;
}

.breadcrumbs-list a {
  color: var(--primary-light);
}

/* Main Content & Section Layouts */
main {
  padding-bottom: 3rem;
}

.section-block {
  padding: 4.5rem 0;
}

.section-block.bg-alt {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-heading-center {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-heading-center h2 {
  font-size: 2.1rem;
  color: var(--primary-navy);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.section-heading-center p {
  font-size: 1.1rem;
  color: var(--text-light);
}

/* Content Grid: 2 Column Alternating */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.two-col-grid.reverse {
  direction: rtl;
}

.two-col-grid.reverse > * {
  direction: ltr;
}

.content-block h2 {
  font-size: 1.9rem;
  color: var(--primary-navy);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.content-block h3 {
  font-size: 1.35rem;
  color: var(--primary-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-block p {
  margin-bottom: 1.25rem;
  color: var(--text-main);
  font-size: 1.025rem;
}

.image-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background: #ffffff;
}

.image-card img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

/* Feature & Diagnostic Cards */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--primary-navy);
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  display: inline-block;
}

/* Call Boxes (Placed naturally throughout pages) */
.inline-call-box {
  background: linear-gradient(135deg, #0b3b60 0%, #1864ab 100%);
  color: #ffffff;
  padding: 2.25rem 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  margin: 3.5rem 0;
  box-shadow: var(--shadow-md);
}

.inline-call-text h3 {
  color: #ffffff;
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

.inline-call-text p {
  color: #e2e8f0;
  font-size: 1rem;
}

/* Process Timeline / Steps */
.step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.step-item {
  display: flex;
  gap: 1.25rem;
  background: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.step-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.step-details h4 {
  font-size: 1.15rem;
  color: var(--primary-navy);
  margin-bottom: 0.4rem;
}

.step-details p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Checklist */
.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.checklist li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--text-main);
  font-size: 1rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-light);
  font-weight: 800;
}

/* FAQ Accordion */
.faq-section {
  max-width: 900px;
  margin: 0 auto;
}

.faq-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-toggle-icon {
  font-size: 1.3rem;
  color: var(--primary-light);
  transition: transform 0.2s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-light);
  font-size: 0.975rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Related Services Box */
.related-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.related-service-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: border-color 0.2s ease;
}

.related-service-card:hover {
  border-color: var(--primary-light);
}

.related-service-card h4 {
  color: var(--primary-navy);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.related-service-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

/* Final CTA Section */
.final-cta-section {
  background: linear-gradient(135deg, #072238 0%, #0b3b60 100%);
  color: #ffffff;
  text-align: center;
  padding: 4.5rem 1.5rem;
  border-radius: var(--radius-lg);
  margin: 3rem auto 0;
  max-width: var(--container-max);
}

.final-cta-section h2 {
  color: #ffffff;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.final-cta-section p {
  color: #e2e8f0;
  max-width: 650px;
  margin: 0 auto 2rem;
  font-size: 1.15rem;
}

/* Footer */
footer {
  background-color: var(--primary-dark);
  color: #ffffff;
  padding: 4.5rem 0 2rem;
  margin-top: 4rem;
  border-top: 4px solid var(--primary-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr 1fr 1.4fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col h3, .footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-col p {
  color: #cbd5e1;
  font-size: 0.925rem;
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: #cbd5e1;
  font-size: 0.925rem;
}

.footer-col a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Sticky Mobile Call Bar */
.sticky-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  box-shadow: 0 -3px 10px rgba(0,0,0,0.1);
  padding: 0.65rem 1rem;
  z-index: 999;
}

.sticky-mobile-bar .call-btn {
  width: 100%;
  font-size: 1.1rem;
  padding: 0.85rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid, .two-col-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .two-col-grid.reverse {
    direction: ltr;
  }
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 64px;
  }
  .sticky-mobile-bar {
    display: block;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 1.5rem 1.25rem;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border-color);
    align-items: stretch;
  }
  .main-nav.active {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    width: 100%;
  }
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background: var(--bg-light);
    margin-top: 0.5rem;
    padding-left: 1rem;
  }
  .card-grid-3, .card-grid-2, .card-grid-4 {
    grid-template-columns: 1fr;
  }
  .inline-call-box {
    flex-direction: column;
    text-align: center;
    padding: 1.75rem 1.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  .hero-text h1 {
    font-size: 2rem;
  }
}