/* Design system and stylesheet for Pittsburg, CA Slab Leak Repair */
/* Absolute rule: ZERO occurrences of hash character */

:root {
  --color-primary: rgb(18, 52, 86);
  --color-primary-dark: rgb(11, 35, 60);
  --color-primary-light: rgb(28, 78, 128);
  --color-secondary: rgb(204, 98, 22);
  --color-secondary-hover: rgb(178, 80, 12);
  --color-accent: rgb(14, 165, 233);
  --color-accent-soft: rgb(235, 246, 253);
  --color-bg-main: rgb(250, 252, 255);
  --color-bg-surface: rgb(255, 255, 255);
  --color-bg-alt: rgb(241, 245, 250);
  --color-bg-dark: rgb(15, 28, 43);
  --color-text-main: rgb(26, 38, 51);
  --color-text-muted: rgb(82, 98, 115);
  --color-text-light: rgb(240, 245, 250);
  --color-border: rgb(222, 231, 240);
  --color-border-subtle: rgb(235, 240, 246);
  --shadow-sm: 0 2px 4px rgba(18, 52, 86, 0.05);
  --shadow-md: 0 6px 16px rgba(18, 52, 86, 0.08);
  --shadow-lg: 0 14px 28px rgba(18, 52, 86, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container-max: 1200px;
}

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

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

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

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

a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--color-secondary);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

h1 {
  font-size: 2.35rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.85rem;
  letter-spacing: -0.01em;
  margin-top: 1.5rem;
}

h3 {
  font-size: 1.35rem;
  margin-top: 1.25rem;
}

h4 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 1.2rem;
}

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

li {
  margin-bottom: 0.5rem;
}

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

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

.top-notice-bar {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  font-size: 0.875rem;
  padding: 0.45rem 0;
  text-align: center;
}

.top-notice-bar a {
  color: rgb(254, 215, 170);
  font-weight: 700;
  text-decoration: none;
}

.top-notice-bar a:hover {
  text-decoration: underline;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary-dark);
}

.brand-wrapper:hover {
  color: var(--color-primary-dark);
}

.brand-logo-img {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}

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

.brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  line-height: 1.1;
}

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

.nav-desktop {
  display: none;
}

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

.nav-link {
  text-decoration: none;
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color 0.2s ease;
}

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

.nav-dropdown {
  position: relative;
}

.dropdown-trigger {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.4rem 0.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 260px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  list-style: none;
  margin-top: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 1010;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 500;
}

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

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-secondary);
  color: rgb(255, 255, 255);
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}

.header-cta-btn:hover {
  background-color: var(--color-secondary-hover);
  color: rgb(255, 255, 255);
}

.mobile-menu-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.75rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: block;
}

.mobile-nav-panel {
  display: none;
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.25rem 1.5rem;
}

.mobile-nav-panel.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.mobile-nav-list li {
  margin-bottom: 0.65rem;
}

.mobile-nav-list a {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-main);
  text-decoration: none;
  padding: 0.35rem 0;
}

.mobile-nav-sublist {
  list-style: none;
  padding-left: 1rem;
  margin: 0.4rem 0 0.8rem;
  border-left: 2px solid var(--color-border);
}

.mobile-nav-sublist li {
  margin-bottom: 0.4rem;
}

.mobile-nav-sublist a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

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

.hero-content h1 {
  color: rgb(255, 255, 255);
  margin-bottom: 1.2rem;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgb(226, 232, 240);
  margin-bottom: 1.75rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-badge-item {
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgb(248, 250, 252);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.btn-primary-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-secondary);
  color: rgb(255, 255, 255);
  font-weight: 800;
  font-size: 1.15rem;
  padding: 0.9rem 1.85rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: background-color 0.2s ease, transform 0.1s ease;
  text-align: center;
}

.btn-primary-call:hover {
  background-color: var(--color-secondary-hover);
  color: rgb(255, 255, 255);
}

.hero-cta-note {
  font-size: 0.825rem;
  color: rgb(203, 213, 225);
}

.hero-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.15);
}

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

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

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

.breadcrumbs-list li::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--color-text-muted);
}

.breadcrumbs-list li:last-child::after {
  content: "";
}

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

.breadcrumbs-list a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

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

/* Main Content & Sections */
.main-content {
  padding: 3rem 0;
}

.section-block {
  margin-bottom: 3.5rem;
}

.lead-intro {
  font-size: 1.15rem;
  color: var(--color-text-main);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.lead-box {
  background-color: var(--color-accent-soft);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 2rem;
}

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

/* Split Content Grid */
.split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  margin: 2rem 0;
}

.content-image-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.content-image-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* Checklist / Warning Grid */
.checklist-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.checklist-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.checklist-card h4 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Step Progression Section */
.process-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.process-step-item {
  display: flex;
  gap: 1.25rem;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.step-num-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: rgb(255, 255, 255);
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-details h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

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

/* Service Summary Cards */
.services-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.service-summary-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-summary-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

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

.card-action-link {
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

/* In-Content Callout / Action Box */
.call-action-box {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-text-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  margin: 3rem 0;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.call-action-box h3 {
  color: rgb(255, 255, 255);
  font-size: 1.6rem;
  margin-top: 0;
  margin-bottom: 0.85rem;
}

.call-action-box p {
  color: rgb(226, 232, 240);
  font-size: 1.05rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.5rem;
}

.call-action-btn-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-secondary);
  color: rgb(255, 255, 255);
  font-weight: 800;
  font-size: 1.25rem;
  padding: 1rem 2.25rem;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.call-action-btn-large:hover {
  background-color: var(--color-secondary-hover);
  color: rgb(255, 255, 255);
}

/* FAQs */
.faq-section {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.75rem;
  margin: 3rem 0;
}

.faq-item {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.faq-item h3 {
  margin-top: 0;
  margin-bottom: 0.65rem;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
}

.faq-item p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

/* Areas Grid */
.areas-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.area-detail-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.area-detail-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-dark);
  color: rgb(203, 213, 225);
  padding: 3.5rem 0 2rem;
  border-top: 3px solid var(--color-secondary);
}

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

.footer-widget h4 {
  color: rgb(255, 255, 255);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5rem;
}

.footer-widget p {
  font-size: 0.925rem;
  line-height: 1.7;
}

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

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

.footer-links a {
  color: rgb(203, 213, 225);
  text-decoration: none;
  font-size: 0.925rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: rgb(254, 215, 170);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  text-align: center;
  color: rgb(148, 163, 184);
}

.footer-bottom a {
  color: rgb(148, 163, 184);
}

/* Sticky Mobile Bar */
.sticky-mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
  z-index: 999;
  display: block;
}

.sticky-call-btn {
  display: block;
  background-color: var(--color-secondary);
  color: rgb(255, 255, 255);
  font-weight: 800;
  font-size: 1.1rem;
  text-align: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  text-decoration: none;
}

.sticky-call-btn:hover {
  background-color: var(--color-secondary-hover);
  color: rgb(255, 255, 255);
}

/* Responsive Queries */
@media (min-width: 640px) {
  .checklist-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .areas-section-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.75rem;
  }
  
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
  
  .split-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .services-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
  
  .mobile-nav-panel {
    display: none !important;
  }
  
  .nav-desktop {
    display: block;
  }
  
  .services-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .sticky-mobile-bar {
    display: none;
  }
}