/* ==========================================================================
   NY PLUMBING — THROGS NECK, BRONX
   Core Stylesheet & Technical SEO Design System
   ========================================================================== */

:root {
  --color-primary: #0f172a;       /* Deep slate / navy */
  --color-primary-dark: #090d16;  /* Midnight navy */
  --color-primary-light: #1e293b; /* Secondary navy */
  --color-secondary: #334155;     /* Slate text */
  --color-muted: #64748b;         /* Muted gray */
  --color-accent: #ea580c;        /* High-contrast call accent (vibrant warm orange) */
  --color-accent-hover: #c2410c;  /* Darker orange on hover */
  --color-accent-active: #9a3412;
  --color-bg-main: #ffffff;       /* Pure white */
  --color-bg-subtle: #f8fafc;     /* Ice gray / slate 50 */
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;        /* Subtle slate border */
  --color-border-dark: #cbd5e1;
  --color-emergency-bg: #fef2f2;  /* Alert / warning red background */
  --color-emergency-border: #fca5a5;
  --color-emergency-text: #991b1b;
  --color-urgent-bg: #fffbeb;     /* Amber alert */
  --color-urgent-border: #fcd34d;
  --color-urgent-text: #92400e;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --container-max: 1200px;
  --container-content: 860px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --transition: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-secondary);
  background-color: var(--color-bg-main);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: 72px; /* Reserved space for mobile sticky call bar */
}

@media (min-width: 900px) {
  body {
    padding-bottom: 0;
  }
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -999px;
  left: 20px;
  background: var(--color-primary);
  color: #ffffff;
  padding: 12px 20px;
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  outline: 3px solid var(--color-accent);
}

.skip-link:focus {
  top: 20px;
}

/* Focus styles for keyboard accessibility */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.85rem;
  }
}

h2 {
  font-size: 1.75rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  h2 {
    font-size: 2.1rem;
  }
}

h3 {
  font-size: 1.35rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

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

p.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #38bdf8;
  font-weight: 400;
}

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

li {
  margin-bottom: 0.5rem;
}

strong {
  color: var(--color-primary);
}

a {
  color: #0284c7;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover {
  color: #0369a1;
}

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

.container-narrow {
  max-width: var(--container-content);
  margin-left: auto;
  margin-right: auto;
}

/* Emergency Safety Bar */
.emergency-bar {
  background-color: var(--color-emergency-text);
  color: #ffffff;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  text-align: center;
  line-height: 1.4;
}

.emergency-bar strong {
  color: #ffffff;
}

.emergency-bar a {
  color: #fef08a;
  text-decoration: underline;
  font-weight: 700;
}

/* Site Header */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.site-logo {
  display: flex;
  flex-direction: column;
}

.logo-link {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.logo-location {
  font-size: 0.78rem;
  color: var(--color-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

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

@media (max-width: 1023px) {
  .main-nav.is-active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 2px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 1.25rem;
    z-index: 99;
  }

  .nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    list-style: none;
    padding-left: 0;
  }

  .nav-link {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.4rem 0;
  }

  .dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    background: none;
    border: none;
    text-align: left;
    padding: 0.4rem 0;
    cursor: pointer;
  }

  .dropdown-menu {
    display: none;
    list-style: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
    border-left: 2px solid var(--color-border);
  }

  .dropdown.is-open .dropdown-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .dropdown-menu a {
    display: block;
    font-size: 0.95rem;
    color: var(--color-secondary);
    text-decoration: none;
    padding: 0.35rem 0;
  }
}

@media (min-width: 1024px) {
  .main-nav {
    display: block;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
  }

  .nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color var(--transition);
  }

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

  .dropdown {
    position: relative;
  }

  .dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem 0;
    font-family: inherit;
    transition: color var(--transition);
  }

  .dropdown-trigger:hover {
    color: var(--color-accent);
  }

  .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 280px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.65rem 0;
    list-style: none;
    display: none;
    z-index: 101;
  }

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

  .dropdown-menu li {
    margin-bottom: 0;
  }

  .dropdown-menu a {
    display: block;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    color: var(--color-secondary);
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition);
  }

  .dropdown-menu a:hover {
    background-color: var(--color-bg-subtle);
    color: var(--color-accent);
  }
}

/* Call-To-Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  line-height: 1;
}

.btn-phone {
  background-color: var(--color-accent);
  color: #ffffff !important;
  padding: 0.75rem 1.35rem;
  font-size: 0.95rem;
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.btn-phone:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-phone-lg {
  padding: 1rem 2rem;
  font-size: 1.15rem;
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.75rem 1.35rem;
  font-size: 0.95rem;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border-dark);
  padding: 0.75rem 1.35rem;
  font-size: 0.95rem;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg-subtle);
}

.header-cta {
  display: none;
}

@media (min-width: 640px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #ffffff;
  padding: 3.5rem 1rem 3rem;
  position: relative;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.hero-title {
  color: #ffffff;
}

.hero-section p {
  color: #e2e8f0;
  font-size: 1.05rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
  margin-bottom: 1.25rem;
}

.hero-meta-note {
  font-size: 0.85rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Breadcrumbs Component */
.breadcrumb-nav {
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 0.65rem 0;
  font-size: 0.85rem;
}

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

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

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

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

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

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

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

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

.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
}

/* Grids and Cards */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

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

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

.card-link {
  margin-top: auto;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-accent);
  text-decoration: none;
  padding-top: 0.85rem;
}

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

/* Callout / Alert Boxes */
.alert-box {
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
  border-left: 5px solid;
}

.alert-box h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.alert-box p:last-child {
  margin-bottom: 0;
}

.alert-warning {
  background-color: var(--color-urgent-bg);
  border-color: var(--color-urgent-text);
  color: var(--color-urgent-text);
}

.alert-warning h3 {
  color: var(--color-urgent-text);
}

.alert-danger {
  background-color: var(--color-emergency-bg);
  border-color: var(--color-emergency-text);
  color: var(--color-emergency-text);
}

.alert-danger h3 {
  color: var(--color-emergency-text);
}

/* Image Framing & Visual Presentation */
.featured-image-wrap {
  margin: 2.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
}

.featured-image-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.image-caption {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 0.75rem 1rem;
  background-color: #ffffff;
  border-top: 1px solid var(--color-border);
  font-style: italic;
}

/* Mid-Page Call-To-Action Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  margin: 3rem 0;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-banner h2, .cta-banner h3 {
  color: #ffffff;
  margin-top: 0;
}

.cta-banner p {
  color: #e2e8f0;
  max-width: 640px;
  margin: 0.75rem auto 1.5rem;
  font-size: 1.05rem;
}

/* Process Steps */
.step-list {
  list-style: none;
  padding-left: 0;
  counter-reset: step-counter;
  margin: 2rem 0;
}

.step-item {
  counter-increment: step-counter;
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 2rem;
}

.step-item::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.step-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* FAQ Accordion / Cards */
.faq-section {
  margin-top: 3rem;
}

.faq-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.faq-card h3 {
  margin-top: 0;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

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

/* Footer */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  padding: 3.5rem 0 2rem;
  border-top: 3px solid var(--color-accent);
}

.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: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

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

.footer-col ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

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

.footer-col a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-phone-cta {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-accent) !important;
  text-decoration: none !important;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.85rem;
  color: #64748b;
  text-align: center;
}

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

.footer-bottom a {
  color: #94a3b8;
}

/* Sticky Mobile Call Bar */
.sticky-call-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.2);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 2px solid var(--color-accent);
}

@media (min-width: 900px) {
  .sticky-call-bar {
    display: none;
  }
}

.sticky-call-text {
  display: flex;
  flex-direction: column;
  color: #ffffff;
}

.sticky-call-label {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  font-weight: 600;
}

.sticky-call-number {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
}

.sticky-call-btn {
  background-color: var(--color-accent);
  color: #ffffff !important;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sticky-call-btn:hover {
  background-color: var(--color-accent-hover);
}