/* ==========================================================================
   NY PLUMBING - GLEN OAKS, QUEENS
   Design System & Master Stylesheet
   Palette: Deep Navy (#0A192F), Slate Blue (#1E293B), Crimson Flame (#D9381E)
   ========================================================================== */

:root {
  --color-primary: #0A192F;
  --color-primary-light: #172A45;
  --color-secondary: #1E293B;
  --color-accent: #D9381E;
  --color-accent-hover: #BF2D15;
  --color-accent-soft: rgba(217, 56, 30, 0.08);
  --color-text-main: #1E293B;
  --color-text-muted: #475569;
  --color-text-light: #F8FAFC;
  --color-bg-light: #F8FAFC;
  --color-bg-white: #FFFFFF;
  --color-bg-alt: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-dark: #334155;
  --color-warning: #B45309;
  --color-warning-bg: #FEF3C7;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --container-max: 1200px;
  --header-height: 80px;
}

/* 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-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-main);
  background-color: var(--color-bg-white);
  padding-bottom: 70px; /* Space for sticky mobile bar */
}

@media (min-width: 993px) {
  body {
    padding-bottom: 0;
  }
}

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

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

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

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 2rem; }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); margin-top: 1.5rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-main);
}

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

li {
  margin-bottom: 0.5rem;
}

.go-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

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

.go-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.go-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.go-brand-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.go-brand-text {
  display: flex;
  flex-direction: column;
}

.go-brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.go-brand-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* Nav Menu */
.go-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.go-nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem;
}

.go-nav-item {
  position: relative;
}

.go-nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-secondary);
  padding: 0.5rem 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.go-nav-link:hover, .go-nav-link.active {
  color: var(--color-accent);
}

/* Dropdown Menu */
.go-has-dropdown:hover .go-dropdown-menu,
.go-has-dropdown:focus-within .go-dropdown-menu {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.go-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.75rem 0;
  list-style: none;
  display: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 1010;
}

.go-dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 500;
}

.go-dropdown-link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-accent);
}

.go-dropdown-icon {
  width: 18px;
  height: 18px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

/* Call Button in Header */
.go-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 4px rgba(217, 56, 30, 0.25);
  transition: background-color 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}

.go-header-cta:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.go-header-cta svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Hamburger toggle */
.go-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
}

.go-menu-toggle svg {
  width: 28px;
  height: 28px;
}

/* Hero Section */
.go-hero {
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: #FFFFFF;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.go-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 80% 20%, rgba(217, 56, 30, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.go-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.go-hero-content h1 {
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.go-hero-subtitle {
  font-size: 1.15rem;
  color: #CBD5E1;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.go-hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.go-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(255, 255, 255, 0.1);
  color: #E2E8F0;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.go-badge svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-accent);
}

.go-hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.go-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.go-btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF !important;
  box-shadow: 0 4px 12px rgba(217, 56, 30, 0.35);
}

.go-btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.go-btn-secondary {
  background-color: transparent;
  color: #FFFFFF !important;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.go-btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

.go-hero-media {
  position: relative;
}

.go-hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid rgba(255, 255, 255, 0.1);
}

.go-hero-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* Page Header for Inner Pages */
.go-page-header {
  background: linear-gradient(135deg, #0A192F 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 3rem 0;
  border-bottom: 3px solid var(--color-accent);
}

.go-page-header h1 {
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.go-page-header p {
  color: #CBD5E1;
  font-size: 1.1rem;
  max-width: 800px;
  margin-bottom: 0;
}

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

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

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

.go-breadcrumb-item a {
  color: var(--color-secondary);
  font-weight: 500;
}

.go-breadcrumb-item a:hover {
  color: var(--color-accent);
}

.go-breadcrumb-sep {
  color: #94A3B8;
}

/* Main Content Sections */
.go-section {
  padding: 4rem 0;
}

.go-section-alt {
  background-color: var(--color-bg-light);
}

.go-section-dark {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.go-section-dark h2, .go-section-dark h3 {
  color: #FFFFFF;
}

.go-section-dark p {
  color: #CBD5E1;
}

.go-section-title {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
}

.go-section-title h2 {
  margin-top: 0;
}

.go-lead {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* Grid Layouts */
.go-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.go-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

/* Feature & Service Cards */
.go-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.go-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #CBD5E1;
}

.go-card-icon {
  width: 52px;
  height: 52px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.go-card-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
}

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

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

.go-card-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.go-card-link:hover {
  text-decoration: underline;
}

/* Safety Callout Strip */
.go-alert-box {
  background-color: #FEF2F2;
  border-left: 5px solid #EF4444;
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.go-alert-icon {
  width: 32px;
  height: 32px;
  stroke: #EF4444;
  flex-shrink: 0;
}

.go-alert-content h4 {
  color: #991B1B;
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.go-alert-content p {
  color: #7F1D1D;
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Process Steps */
.go-step-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step-counter;
}

.go-step-item {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
}

.go-step-num {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.75rem;
  font-weight: 800;
  color: #E2E8F0;
  line-height: 1;
}

.go-step-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.go-step-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
}

.go-step-item h4 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

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

/* Service Page Media Framing */
.go-service-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  margin: 2rem 0;
}

.go-service-img-wrap img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

/* In-Content Call to Action */
.go-cta-strip {
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  margin: 3.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-lg);
}

.go-cta-strip-text h3 {
  color: #FFFFFF;
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.go-cta-strip-text p {
  color: #CBD5E1;
  margin-bottom: 0;
  font-size: 1rem;
}

.go-cta-strip .go-btn {
  flex-shrink: 0;
  font-size: 1.1rem;
  padding: 1rem 2rem;
}

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

.go-faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  background-color: #FFFFFF;
  overflow: hidden;
}

.go-faq-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.go-faq-trigger:hover {
  background-color: var(--color-bg-light);
}

.go-faq-icon {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.go-faq-trigger[aria-expanded="true"] .go-faq-icon {
  transform: rotate(180deg);
}

.go-faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

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

/* Footer */
.go-footer {
  background-color: #070F1D;
  color: #CBD5E1;
  padding: 4.5rem 0 2rem 0;
  border-top: 4px solid var(--color-accent);
  font-size: 0.925rem;
}

.go-footer h3, .go-footer h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.go-footer p {
  color: #94A3B8;
  margin-bottom: 1rem;
}

.go-footer a {
  color: #CBD5E1;
  transition: color 0.2s ease;
}

.go-footer a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.go-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

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

.go-footer-links li {
  margin-bottom: 0.65rem;
}

.go-footer-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent);
  color: #FFFFFF !important;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
  text-decoration: none !important;
}

.go-footer-cta:hover {
  background-color: var(--color-accent-hover);
}

.go-footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.85rem;
  color: #64748B;
}

.go-footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.go-footer-legal-links a {
  color: #94A3B8;
}

.go-attribution {
  font-size: 0.85rem;
  color: #94A3B8;
}

.go-attribution a {
  color: #38BDF8;
  text-decoration: underline;
}

/* Sticky Mobile Call Bar */
.go-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-top: 2px solid var(--color-accent);
  padding: 0.75rem 1rem;
  z-index: 999;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.15);
}

.go-mobile-bar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--color-accent);
  color: #FFFFFF !important;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  width: 100%;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .go-menu-toggle {
    display: block;
  }

  .go-header-cta {
    display: none; /* Relies on mobile bar and mobile nav link */
  }

  .go-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow-xl);
  }

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

  .go-nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
  }

  .go-nav-item {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .go-nav-link {
    width: 100%;
    padding: 1rem 0.5rem;
    font-size: 1.05rem;
    justify-content: space-between;
  }

  .go-has-dropdown .go-dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
    background-color: var(--color-bg-light);
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .go-has-dropdown.open .go-dropdown-menu {
    display: block;
  }

  .go-mobile-bar {
    display: block;
  }

  .go-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .go-grid-2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .go-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .go-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .go-step-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .go-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .go-cta-strip {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .go-grid-3 {
    grid-template-columns: 1fr;
  }

  .go-grid-4 {
    grid-template-columns: 1fr;
  }

  .go-step-list {
    grid-template-columns: 1fr;
  }

  .go-footer-grid {
    grid-template-columns: 1fr;
  }
}