/* ==========================================================================
   NJ LEAK DETECTION - LONG BRANCH, NJ
   Design System & Editorial Stylesheet
   Targeting Lighthouse 95+ (Performance, Accessibility, SEO)
   ========================================================================== */

:root {
  --primary-navy: #004b6e;
  --primary-blue: #0b69a3;
  --primary-dark: #002b40;
  --sky-blue: #e1f0fa;
  --ice-blue: #f4f9fd;
  --call-orange: #d9480f;
  --call-orange-hover: #b03405;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --text-light: #6b7280;
  --bg-page: #f9fafb;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --border-blue: #bfdbfe;
  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0, 75, 110, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 75, 110, 0.12);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

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

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

a {
  color: var(--primary-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

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

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

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 10px;
  background: var(--primary-navy);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 10px;
}

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

.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);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.site-logo:hover {
  color: var(--primary-dark);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1.25rem;
}

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

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 44px;
}

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

/* Dropdown */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  min-width: 280px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 0.5rem 0;
  list-style: none;
  border: 1px solid var(--border-color);
  z-index: 1010;
}

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

.dropdown-menu li {
  width: 100%;
}

.dropdown-menu li a {
  display: block;
  padding: 0.65rem 1.25rem;
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  min-height: 44px;
  line-height: 1.4;
}

.dropdown-menu li a:hover,
.dropdown-menu li a:focus {
  background: var(--ice-blue);
  color: var(--primary-navy);
}

/* Call Button (Exclusive bright accent) */
.btn-call {
  background: var(--call-orange);
  color: #ffffff !important;
  text-decoration: none !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  box-shadow: 0 2px 6px rgba(217, 72, 15, 0.25);
  transition: background-color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 1.4rem;
  color: var(--text-main);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

.mobile-menu-btn:focus {
  outline: 2px solid var(--primary-blue);
}

/* Breadcrumbs */
.breadcrumb-nav {
  padding: 1rem 0 0.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.5rem;
}

.breadcrumb-list li+li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--text-light);
}

.breadcrumb-list a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb-list a:hover {
  text-decoration: underline;
  color: var(--primary-navy);
}

.breadcrumb-list [aria-current="page"] {
  color: var(--text-main);
  font-weight: 600;
}

/* Hero Section */
.hero {
  padding: 3rem 0 2.5rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--ice-blue) 100%);
  border-bottom: 1px solid var(--border-blue);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.35rem;
  line-height: 1.2;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background: #ffffff;
}

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

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero-badge-item {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--primary-navy);
  background: #ffffff;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-blue);
  font-weight: 600;
}

/* Content Sections */
.section {
  padding: 3.5rem 0;
}

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

.section h2 {
  font-size: 1.85rem;
  line-height: 1.3;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section h3 {
  font-size: 1.35rem;
  line-height: 1.35;
  color: var(--primary-navy);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.section p {
  margin-bottom: 1.2rem;
  color: var(--text-main);
  font-size: 1.02rem;
}

.section ul, .section ol {
  margin: 1rem 0 1.5rem 1.75rem;
  color: var(--text-main);
}

.section li {
  margin-bottom: 0.6rem;
  line-height: 1.6;
}

/* Editorial Two-Column Layout */
.editorial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.editorial-grid.reverse {
  grid-template-columns: 1fr 1fr;
}

.editorial-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

/* Warning Signs List */
.warning-box {
  background: #fff8f5;
  border-left: 4px solid var(--call-orange);
  padding: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0 2rem;
}

.warning-box h3 {
  color: var(--call-orange-hover);
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.warning-box ul {
  margin: 0 0 0 1.25rem;
}

/* Technical Details Callout */
.tech-box {
  background: var(--ice-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin: 2rem 0;
}

.tech-box h3 {
  color: var(--primary-navy);
  margin-top: 0;
  margin-bottom: 0.75rem;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.step-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-navy);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

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

.step-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Call to Action Box */
.cta-box {
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-md);
}

.cta-box h3 {
  font-size: 1.75rem;
  color: #ffffff;
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.cta-box p {
  color: var(--sky-blue);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto 1.5rem;
}

/* FAQ Accordion */
.faq-section {
  padding: 3.5rem 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 44px;
}

.faq-question:hover, .faq-question:focus {
  background: var(--ice-blue);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--primary-blue);
  font-weight: 700;
  flex-shrink: 0;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-main);
  line-height: 1.6;
}

.faq-answer p {
  margin-bottom: 0.75rem;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* Related Services Grid */
.related-services {
  background: var(--ice-blue);
  border-top: 1px solid var(--border-blue);
  padding: 3rem 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.related-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.related-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.related-card h4 a {
  color: var(--primary-navy);
  text-decoration: none;
}

.related-card h4 a:hover {
  text-decoration: underline;
}

.related-card p {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Service Areas Grid */
.neighborhood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.neighborhood-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.neighborhood-card h3 {
  margin-top: 0;
  font-size: 1.25rem;
  color: var(--primary-dark);
}

/* Footer */
footer {
  background: var(--primary-dark);
  color: #ffffff;
  padding: 3.5rem 0 2rem;
  border-top: 4px solid var(--primary-blue);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  color: var(--sky-blue);
  margin-bottom: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.footer-col p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: #e2e8f0;
  text-decoration: none;
  font-size: 0.95rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1e405b;
  text-align: center;
  font-size: 0.875rem;
  color: #94a3b8;
}

.footer-bottom a {
  color: #cbd5e1;
}

/* Sticky Mobile Call Bar */
.sticky-call-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--primary-dark);
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
  z-index: 999;
}

.sticky-call-bar .btn-call {
  width: 100%;
  font-size: 1.05rem;
  padding: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .editorial-grid, .editorial-grid.reverse {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 74px; /* Space for sticky call bar */
  }

  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-call-btn {
    display: none;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
    align-items: flex-start;
    gap: 0.5rem;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links > li {
    width: 100%;
  }

  .nav-links a {
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0 0 0 1rem;
    background: var(--ice-blue);
    border-radius: var(--radius-sm);
    margin: 0.25rem 0 0.5rem;
  }

  .dropdown-menu li a {
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 0.6rem 0.75rem;
  }

  .sticky-call-bar {
    display: block;
  }

  .hero-content h1 {
    font-size: 1.95rem;
  }

  .section h2 {
    font-size: 1.6rem;
  }
}