/* ==========================================================================
   NY Plumbing — Lincoln Square, Manhattan
   High-Contrast, Accessible Design System & Responsive Layout
   ========================================================================== */

:root {
  --color-primary: #0b1f3a;         /* Deep Navy Blue */
  --color-primary-light: #162f54;   /* Navy Hover / Light */
  --color-accent: #d97706;          /* Rich Amber / Gold Call Accent */
  --color-accent-hover: #b45309;    /* Amber Hover */
  --color-cyan: #0284c7;            /* Water / Diagnostic Cyan Accent */
  --color-text-dark: #1e293b;       /* Charcoal Text */
  --color-text-muted: #475569;      /* Slate Grey Muted */
  --color-bg-light: #f8fafc;        /* Off-White Surface */
  --color-bg-white: #ffffff;        /* Pure White */
  --color-border: #e2e8f0;          /* Subtle Border */
  --color-card-border: #cbd5e1;     /* Card Border */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 1200px;
  --border-radius-sm: 4px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-text-dark);
  background-color: var(--color-bg-white);
  line-height: 1.6;
  padding-bottom: 72px; /* Space for mobile sticky call bar */
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

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

a {
  color: var(--color-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease-in-out;
}

a:hover, a:focus {
  color: #0369a1;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; margin-top: 1.5rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.2rem;
  font-size: 1.025rem;
}

/* Header & Navigation */
.site-header {
  background-color: var(--color-primary);
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand-logo {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo:hover, .brand-logo:focus {
  color: #ffffff;
}

.logo-mark {
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 3px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 1.1rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--border-radius-sm);
  padding: 9px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-toggle:focus {
  outline: 2px solid var(--color-accent);
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
}

/* Navigation List */
.main-nav {
  display: none;
}

.main-nav.nav-open {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-top: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
  padding: 16px 20px 24px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.main-nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  display: block;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
}

.main-nav a:hover, .main-nav a:focus, .main-nav a.active {
  background-color: var(--color-primary-light);
  color: #ffffff;
}

/* Dropdown */
.has-dropdown {
  position: relative;
}

.dropdown-trigger {
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border-radius: var(--border-radius-sm);
}

.dropdown-trigger:hover, .dropdown-trigger:focus {
  background-color: var(--color-primary-light);
}

/* CRITICAL: Dropdown menu hidden by default */
.dropdown-menu,
.main-nav .dropdown-menu {
  display: none !important;
  list-style: none;
  padding: 8px 0;
  margin: 0;
}

.has-dropdown.dropdown-open .dropdown-menu,
.has-dropdown.dropdown-open > .dropdown-menu {
  display: block !important;
}

.header-cta .phone-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: background-color 0.15s ease-in-out;
}

.header-cta .phone-link:hover, .header-cta .phone-link:focus {
  background-color: var(--color-accent-hover);
  color: #ffffff;
}

/* Desktop Navigation Breakpoint */
@media (min-width: 992px) {
  .mobile-toggle {
    display: none;
  }

  .main-nav {
    display: block !important;
    position: static;
    background: transparent;
    padding: 0;
    box-shadow: none;
    border: none;
  }

  .main-nav > ul {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }

  .dropdown-trigger {
    width: auto;
    justify-content: flex-start;
    gap: 4px;
  }

  .dropdown-menu,
  .main-nav .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-primary);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 260px;
    padding: 8px;
    z-index: 1050;
  }

  .dropdown-menu li {
    margin-bottom: 2px;
  }

  .dropdown-menu a {
    padding: 8px 12px;
    font-size: 0.95rem;
  }
}

/* Breadcrumbs */
.breadcrumb-bar {
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
  font-size: 0.9rem;
}

.breadcrumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.breadcrumbs li+li::before {
  content: "/";
  margin-right: 8px;
  color: var(--color-text-muted);
}

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

.breadcrumbs a:hover, .breadcrumbs a:focus {
  text-decoration: underline;
  color: var(--color-primary);
}

.breadcrumbs li[aria-current="page"] {
  color: var(--color-text-dark);
  font-weight: 600;
}

/* Hero Section */
.page-hero {
  background-color: #ffffff;
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--color-border);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-layout {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.badge {
  display: inline-block;
  background-color: #e0f2fe;
  color: #0369a1;
  font-size: 0.825rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background-color: #e0e7ff;
  color: #3730a3;
}

.lead-text {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--color-text-dark);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
}

.hero-image-wrapper {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--border-radius);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  border: 2px solid transparent;
  min-height: 48px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-accent-hover);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-primary-light);
  color: #ffffff;
}

.btn-large {
  font-size: 1.1rem;
  padding: 14px 28px;
}

.btn-block {
  width: 100%;
}

/* Sections */
.content-section {
  padding: 56px 0;
}

.bg-light {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-heading {
  margin-bottom: 36px;
}

.section-heading.text-center {
  text-align: center;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-top: -6px;
}

.max-w-700 {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Grids & Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 24px;
}

@media (min-width: 640px) {
  .col-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .col-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .col-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card, .feature-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.split-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

@media (min-width: 900px) {
  .split-row {
    grid-template-columns: 1.3fr 0.7fr;
  }
}

.highlight-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.clean-list {
  list-style: none;
  margin-top: 12px;
  margin-bottom: 18px;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 1rem;
}

.clean-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-cyan);
  font-weight: bold;
}

/* Steps Process */
.step-item {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  background: #ffffff;
  padding: 20px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.step-num {
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 1.2rem;
}

/* Call to Action Banner */
.cta-banner {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 40px 0;
}

.cta-flex {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .cta-flex {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.cta-banner h3 {
  color: #ffffff;
  margin-bottom: 6px;
}

.cta-banner p {
  color: #cbd5e1;
  margin-bottom: 0;
}

/* Final CTA Section */
.final-cta {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 64px 0;
}

.final-cta h2 {
  color: #ffffff;
}

.final-cta .cta-subtext {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 600px;
  margin: 12px auto 28px;
}

.service-note {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-top: 16px;
}

/* Safety Warning Box */
.safety-box {
  background-color: #fff1f2;
  border: 2px solid #e11d48;
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin: 20px 0;
}

.safety-icon {
  font-size: 2.2rem;
  color: #e11d48;
  line-height: 1;
}

.safety-content h3 {
  color: #9f1239;
  margin-bottom: 8px;
}

.safety-content p {
  margin-bottom: 0;
  color: #4c0519;
}

/* FAQs */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.faq-question:hover, .faq-question:focus {
  background-color: var(--color-bg-light);
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--color-text-muted);
}

.faq-answer {
  padding: 0 22px 20px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-dark);
}

.faq-answer p {
  margin-bottom: 0;
  margin-top: 12px;
}

/* Service Link Cards */
.service-link-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 20px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.service-link-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-cyan);
}

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

.service-link-card h4 a:hover {
  color: var(--color-cyan);
}

/* Footer */
.site-footer {
  background-color: #071527;
  color: #94a3b8;
  padding-top: 56px;
  padding-bottom: 24px;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer-logo {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
  display: block;
  margin-bottom: 12px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-cyan);
  padding-bottom: 6px;
  display: inline-block;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}

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

.footer-address {
  margin: 12px 0;
  color: #cbd5e1;
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer-phone a {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.legal-links a {
  color: #94a3b8;
  font-size: 0.85rem;
  text-decoration: none;
}

.legal-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* Mobile Sticky Call Bar */
.mobile-call-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-top: 2px solid var(--color-accent);
  padding: 10px 16px;
  z-index: 1000;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.25);
  display: block;
}

@media (min-width: 992px) {
  .mobile-call-bar {
    display: none;
  }
}

.mobile-call-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--border-radius);
  width: 100%;
}

.mobile-call-btn:hover, .mobile-call-btn:focus {
  background-color: var(--color-accent-hover);
  color: #ffffff;
}

/* Helper Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-xl { font-size: 1.4rem; }
.text-sm { font-size: 0.875rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.legal-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 24px;
}