@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

/* ==========================================================================
   Central AC Repair Poway, CA - Production CSS
   Colors: Trust Navy (#0F2C59), Safety Orange (#FF6B00), Clean Slate/White
   Typography: Plus Jakarta Sans (Headings/CTAs), Inter (Body)
   ========================================================================== */

:root {
  --color-primary: #0F2C59;
  --color-primary-dark: #0A1C38;
  --color-primary-light: #1A3E7A;
  --color-accent: #FF6B00;
  --color-accent-hover: #E05E00;
  --color-accent-soft: #FFF4EC;
  --color-emergency: #DC2626;
  --color-emergency-soft: #FEF2F2;
  --color-success: #16A34A;
  
  --color-bg-main: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E1;
  
  --color-text-main: #1E293B;
  --color-text-muted: #475569;
  --color-text-light: #64748B;
  --color-text-inverse: #FFFFFF;
  
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 44, 89, 0.08), 0 2px 4px -2px rgba(15, 44, 89, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 44, 89, 0.1), 0 4px 6px -4px rgba(15, 44, 89, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 44, 89, 0.15), 0 8px 10px -6px rgba(15, 44, 89, 0.08);
  
  --container-max: 1200px;
  --transition: all 0.2s ease-in-out;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 70px;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

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

a:hover, a:focus-visible {
  color: var(--color-accent);
  text-decoration-thickness: 2px;
}

p a, li a {
  font-weight: 600;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: var(--font-display);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.85rem; margin-bottom: 1rem; margin-top: 2rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.75rem; margin-top: 1.5rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; margin-top: 1rem; }

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;
}

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

/* Top Utility Bar (Matches Covina & Allen Reference Header) */
.top-bar {
  background: #0d1b2a;
  color: #e2e8f0;
  font-size: 0.8125rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
  color: #e2e8f0;
  white-space: nowrap;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.7);
  animation: pulse-ring 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
  display: inline-block;
  flex-shrink: 0;
}

@keyframes pulse-ring {
  to {
    box-shadow: 0 0 0 8px rgba(255, 107, 0, 0);
  }
}

.top-bar-divider {
  color: #64748b;
  font-weight: 300;
  user-select: none;
}

.top-bar-icon {
  color: #38bdf8;
  display: inline-block;
  flex-shrink: 0;
}

.top-bar-rating {
  gap: 0.35rem;
}

.top-stars {
  color: #fbbf24;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

.top-rating-text {
  color: #e2e8f0;
}

.top-bar-license {
  color: #cbd5e1;
}

@media (max-width: 900px) {
  .top-bar {
    font-size: 0.75rem;
  }
  .top-bar-inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.75rem;
  }
}

@media (max-width: 600px) {
  .top-bar-right .top-bar-divider,
  .top-bar-license {
    display: none;
  }
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: auto;
}

.main-nav {
  display: none;
}

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

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

.nav-item {
  position: relative;
  margin: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.25rem;
  font-weight: 600;
  color: var(--color-text-main);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-link:focus-visible, .nav-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.nav-dropdown-caret {
  display: inline-block;
  width: 0;
  height: 0;
  vertical-align: middle;
  border-top: 4px solid currentColor;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  transition: transform 0.2s ease;
}

.nav-item-dropdown:hover .nav-dropdown-caret {
  transform: rotate(180deg);
}

/* Desktop Dropdown Menus */
@media (min-width: 1024px) {
  .nav-item-dropdown {
    position: relative;
  }

  .nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 0.75rem 0;
    margin-top: 0.25rem;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease-in-out;
    z-index: 1000;
  }

  .nav-dropdown-menu-services {
    min-width: 620px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem;
    padding: 0.75rem;
  }

  .nav-dropdown-menu-areas {
    min-width: 480px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem;
    padding: 0.75rem;
  }

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

  .nav-dropdown-item {
    margin: 0;
    padding: 0;
  }

  .nav-dropdown-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1.25rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
  }

  .nav-dropdown-link:hover, .nav-dropdown-link:focus-visible {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    padding-left: 1.5rem;
  }
}

.header-cta-btn {
  display: none;
}

@media (min-width: 768px) {
  .header-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--color-accent);
    color: #FFFFFF !important;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-display);
    font-size: 1.05rem;
    padding: 0.65rem 1.35rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(255, 107, 0, 0.25);
    transition: var(--transition);
    white-space: nowrap;
  }
  
  .header-cta-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(255, 107, 0, 0.35);
  }

  .header-cta-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
  }
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}

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

.mobile-nav-toggle span {
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Drawer Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #FFFFFF;
  border-bottom: 2px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
  padding: 1.5rem;
  max-height: 80vh;
  overflow-y: auto;
}

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

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

.mobile-nav-item {
  margin-bottom: 0.5rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 0;
  font-weight: 700;
  color: var(--color-text-main);
  text-decoration: none;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--color-border);
}

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

.mobile-dropdown-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text-main);
  cursor: pointer;
  text-align: left;
}

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

.mobile-dropdown-item.open .mobile-submenu {
  display: block;
}

.mobile-submenu-item {
  margin-bottom: 0.35rem;
}

.mobile-submenu-link {
  display: block;
  padding: 0.45rem 0;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.mobile-submenu-link:hover {
  color: var(--color-accent);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #0A1C38 0%, #0F2C59 60%, #1A3E7A 100%);
  color: #FFFFFF;
  padding: 3.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
  }
}

.hero-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 107, 0, 0.2);
  color: #FFA559;
  border: 1px solid rgba(255, 107, 0, 0.4);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  color: #FFFFFF;
  font-size: 2.5rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-subtitle {
  color: #E2E8F0;
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 650px;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

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

.hero-guarantee-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-guarantee-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: #CBD5E1;
  font-weight: 600;
  margin: 0;
}

.hero-guarantee-icon {
  color: var(--color-accent);
  font-weight: 800;
}

/* Hero Lead Card (Urgent Dispatch Box) */
.hero-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: var(--color-text-main);
  box-shadow: var(--shadow-xl);
  border: 2px solid var(--color-accent);
}

.hero-card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.hero-card-tag {
  color: var(--color-emergency);
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.hero-card-title {
  color: var(--color-primary);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.hero-phone-cta {
  display: block;
  background: var(--color-accent);
  color: #FFFFFF !important;
  text-align: center;
  padding: 1.15rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
  transition: var(--transition);
  margin-bottom: 1rem;
}

.hero-phone-cta:hover, .hero-phone-cta:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.5);
  text-decoration: none;
}

.hero-card-features {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.hero-card-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.hero-card-feature svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.875rem 1.75rem;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF !important;
  box-shadow: 0 4px 12px rgba(255, 107, 0, 0.35);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 107, 0, 0.45);
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-primary);
  color: #FFFFFF !important;
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--color-primary);
  color: #FFFFFF !important;
  text-decoration: none;
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.2rem;
}

.btn-block {
  width: 100%;
}

/* Sections & Layout */
.section {
  padding: 4rem 0;
}

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

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

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

.section-dark p {
  color: #E2E8F0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-subtitle {
  color: var(--color-accent);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 1rem;
}

/* Direct Answer Quick Box */
.quick-answer-box {
  background: var(--color-accent-soft);
  border-left: 5px solid var(--color-accent);
  padding: 1.75rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

.quick-answer-title {
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* Cards Grid */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

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

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

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

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

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Service Cards */
.service-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

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

.service-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

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

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

/* Neighborhood Link Cards */
.neighborhood-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-main);
  box-shadow: var(--shadow-sm);
}

.neighborhood-card:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateX(4px);
  text-decoration: none;
}

.neighborhood-name {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.05rem;
}

.neighborhood-arrow {
  color: var(--color-accent);
  font-weight: 800;
  font-size: 1.2rem;
}

/* FAQ Accordion */
.faq-container {
  max-width: 850px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-display);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

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

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  counter-reset: step-counter;
}

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

.process-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-sm);
}

.process-step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 10px rgba(255, 107, 0, 0.3);
}

/* Trust / Why Choose Us */
.trust-badge-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.trust-badge-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
  color: var(--color-accent);
}

/* Call Strip / Banner */
.call-strip {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  padding: 3.5rem 0;
  text-align: center;
}

.call-strip-title {
  color: #FFFFFF;
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.call-strip-desc {
  color: #E2E8F0;
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 2rem;
}

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

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

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

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

.breadcrumbs-separator {
  color: var(--color-border-dark);
}

.breadcrumbs-current {
  color: var(--color-text-main);
  font-weight: 700;
}

/* Page Header for Inner Pages */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  padding: 3rem 0;
}

.page-header h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-header p {
  color: #E2E8F0;
  font-size: 1.15rem;
  max-width: 750px;
  margin-bottom: 1.5rem;
}

/* Content + Sidebar Layout */
.content-sidebar-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

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

.main-content h2 {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.sidebar-sticky {
  position: sticky;
  top: 90px;
}

.sidebar-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-card-cta p {
  color: var(--color-text-muted) !important;
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.sidebar-card-cta div {
  color: #64748B;
}

.sidebar-card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.5rem;
}

.sidebar-call-card {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  border: 2px solid var(--color-accent);
  text-align: center;
}

.sidebar-call-card h3 {
  color: #FFFFFF;
  margin-top: 0;
}

.sidebar-call-card p {
  color: #E2E8F0;
  font-size: 0.95rem;
}

.sidebar-phone-btn {
  display: block;
  background: var(--color-accent);
  color: #FFFFFF !important;
  font-weight: 800;
  font-size: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(255, 107, 0, 0.4);
  margin-top: 1rem;
}

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

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

.sidebar-links-list li {
  margin-bottom: 0.65rem;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 0.65rem;
}

.sidebar-links-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.sidebar-links-list a:hover {
  color: var(--color-accent);
}

/* Footer */
.site-footer {
  background: #081426;
  color: #94A3B8;
  padding: 4rem 0 2rem;
  margin-top: auto;
  border-top: 4px 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: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background: var(--color-accent);
}

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

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

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-phone-big {
  display: inline-block;
  color: #FFFFFF !important;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0.75rem 0;
  text-decoration: none;
}

.footer-phone-big:hover {
  color: var(--color-accent) !important;
}

.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: #64748B;
}

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

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-legal-links a {
  color: #64748B;
  text-decoration: none;
}

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

/* Mobile Sticky Bottom CTA Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #0A1C38;
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 15px 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: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-btn {
  width: 100%;
  background: var(--color-accent);
  color: #FFFFFF !important;
  text-align: center;
  font-weight: 800;
  font-size: 1.15rem;
  padding: 0.85rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(255, 107, 0, 0.4);
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 8px 16px;
  z-index: 2000;
  text-decoration: none;
  font-weight: 700;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* Technical Illustration & Diagram Container */
.tech-diagram-container {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.tech-diagram-container svg {
  max-width: 100%;
  height: auto;
  margin: 0 auto 0.75rem;
}

.tech-diagram-caption {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 0.5rem;
}

/* Technical Data & Comparison Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
  background: #FFFFFF;
}

.tech-table th {
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  padding: 0.85rem 1rem;
  font-family: var(--font-display);
}

.tech-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-main);
  line-height: 1.5;
}

.tech-table tr:nth-child(even) td {
  background-color: var(--color-bg-alt);
}

.tech-table tr:hover td {
  background-color: var(--color-accent-soft);
}

.tech-badge-danger {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: var(--color-emergency-soft);
  color: var(--color-emergency);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
}

.tech-badge-success {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: #DCFCE7;
  color: #15803D;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
}

.tech-badge-warn {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: #FEF3C7;
  color: #B45309;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
}

.callout-box {
  background: #F0F9FF;
  border-left: 4px solid #0EA5E9;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
}

.callout-box h4 {
  color: #0C4A6E;
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.callout-box p {
  color: #075985;
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Semantic Keyword & Diagnostic Tags */
.keyword-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 2rem;
}

.keyword-tag {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  color: var(--color-text-muted);
  font-weight: 600;
  transition: var(--transition);
}

.keyword-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}