/* ==========================================================================
   NY Plumbing — Ocean Hill, Brooklyn, New York City
   Master Design System & Production Stylesheet
   ========================================================================== */

:root {
  --color-primary-navy: #10243a;
  --color-navy-dark: #0a1728;
  --color-navy-light: #18375e;
  --color-accent-amber: #f2b544;
  --color-accent-hover: #d99a2b;
  --color-accent-light: #fef3c7;
  --color-emergency-red: #dc2626;
  --color-emergency-bg: #fef2f2;
  --color-emergency-border: #f87171;
  --color-text-main: #263445;
  --color-text-muted: #4b5563;
  --color-text-light: #6b7280;
  --color-bg-white: #ffffff;
  --color-bg-neutral: #f4f7fa;
  --color-bg-alt: #e9eff5;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-subtle: #edf2f7;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --max-width: 1200px;
  --header-height: 76px;
}

/* Reset & Base */
*, *::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-main);
  background-color: var(--color-bg-neutral);
  line-height: 1.65;
  padding-bottom: 74px; /* Space for mobile sticky call bar */
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-accent-hover);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-navy);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 3.8vw, 2.75rem); }
h2 { font-size: clamp(1.45rem, 2.8vw, 2rem); margin-top: 1.75rem; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); margin-top: 1.25rem; }

p {
  margin-bottom: 1.25rem;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary-navy);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary-navy);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-location {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.desktop-nav {
  display: none;
}

@media (min-width: 992px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color 0.15s ease;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-navy-light);
}

.dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.5rem 0.25rem;
}

.dropdown-trigger svg {
  transition: transform 0.2s ease;
}

.dropdown:hover .dropdown-trigger svg,
.dropdown:focus-within .dropdown-trigger svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-bg-white);
  min-width: 260px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 0.5rem 0;
  list-style: none;
  z-index: 1010;
}

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

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem 1.25rem;
  color: var(--color-text-main);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus {
  background-color: var(--color-bg-neutral);
  color: var(--color-primary-navy);
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent-amber);
  color: var(--color-navy-dark);
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.header-cta-btn:hover {
  background-color: var(--color-accent-hover);
  color: #000;
  text-decoration: none;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary-navy);
}

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

.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-white);
  padding: 1.5rem;
  overflow-y: auto;
  z-index: 999;
  border-top: 1px solid var(--color-border);
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.mobile-nav-list li {
  margin-bottom: 0.75rem;
}

.mobile-nav-list a {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-list .mobile-sublist {
  list-style: none;
  padding-left: 1rem;
  margin-top: 0.5rem;
}

.mobile-sublist a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* Breadcrumbs */
.breadcrumb-nav {
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  font-size: 0.875rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.5rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-light);
  margin: 0;
}

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

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

.breadcrumb-separator {
  color: var(--color-text-light);
}

.breadcrumb-item[aria-current="page"] {
  color: var(--color-primary-navy);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-primary-navy) 100%);
  color: #ffffff;
  padding: 3rem 0;
  position: relative;
}

@media (min-width: 992px) {
  .hero-section {
    padding: 4rem 0;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }
}

.hero-content h1 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(242, 181, 68, 0.2);
  color: var(--color-accent-amber);
  border: 1px solid rgba(242, 181, 68, 0.4);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

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

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 576px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

.btn-primary-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--color-accent-amber);
  color: var(--color-navy-dark);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(242, 181, 68, 0.35);
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-primary-phone:hover {
  background-color: var(--color-accent-hover);
  color: #000;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.25);
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.btn-secondary-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  text-decoration: none;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

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

/* Feature/Warning Callouts */
.emergency-callout {
  background-color: var(--color-emergency-bg);
  border-left: 5px solid var(--color-emergency-red);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.emergency-callout h3 {
  color: var(--color-emergency-red);
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.emergency-callout p:last-child {
  margin-bottom: 0;
}

.info-callout {
  background-color: #eff6ff;
  border-left: 5px solid #2563eb;
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.info-callout h3 {
  color: #1e40af;
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.info-callout p:last-child {
  margin-bottom: 0;
}

/* Content Sections */
.section {
  padding: 3rem 0;
}

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

.section-title-wrap {
  margin-bottom: 2rem;
}

.section-title-wrap.text-center {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Service Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.service-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-light);
  color: var(--color-navy-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-weight: 800;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-card .card-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary-navy);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
}

.service-card .card-link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Process Steps */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  position: relative;
}

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

.step-card h3 {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Mid-Page Callout Banner */
.callout-banner {
  background: linear-gradient(135deg, var(--color-primary-navy) 0%, var(--color-navy-light) 100%);
  color: #ffffff;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  margin: 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .callout-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.callout-text h2,
.callout-text h3 {
  color: #ffffff;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.callout-text p {
  color: #e2e8f0;
  margin-bottom: 0;
  max-width: 650px;
}

/* Accordion FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 2rem auto 0 auto;
}

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

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

.faq-question:hover {
  background-color: var(--color-bg-neutral);
}

.faq-icon {
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

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

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--color-text-main);
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.95rem;
}

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

.faq-answer p:first-child {
  margin-top: 1rem;
}

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

/* Page Featured Image Container */
.page-featured-image {
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.page-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Content Columns & Text formatting */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .content-grid {
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
  }
}

.sidebar-box {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-box h3 {
  margin-top: 0;
  font-size: 1.2rem;
  border-bottom: 2px solid var(--color-accent-amber);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.sidebar-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-links li {
  margin-bottom: 0.5rem;
}

.sidebar-links a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text-main);
  display: block;
  padding: 0.35rem 0;
}

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

/* Footer */
.site-footer {
  background-color: var(--color-navy-dark);
  color: #cbd5e1;
  padding: 3.5rem 0 2rem 0;
  border-top: 3px solid var(--color-accent-amber);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.footer-col h3,
.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-accent-amber);
  text-decoration: underline;
}

.footer-phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent-amber);
  color: var(--color-navy-dark);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  margin-top: 0.5rem;
  transition: background-color 0.15s ease;
}

.footer-phone-btn:hover {
  background-color: var(--color-accent-hover);
  color: #000;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.85rem;
  color: #94a3b8;
}

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

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

.footer-bottom a:hover {
  color: var(--color-accent-amber);
}

/* Mobile Sticky Call Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-navy-dark);
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.15);
  z-index: 1020;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.mobile-sticky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 400px;
  background-color: var(--color-accent-amber);
  color: var(--color-navy-dark);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
}

.mobile-sticky-btn:hover {
  background-color: var(--color-accent-hover);
  color: #000;
}