/* Bay Terrace NY Plumbing — Dedicated Boiler Repair Stylesheet */
:root {
  --bt-navy-950: #061325;
  --bt-navy-900: #0c1e36;
  --bt-navy-800: #142c4c;
  --bt-navy-700: #1e3d66;
  --bt-cyan-600: #0284c7;
  --bt-cyan-500: #0ea5e9;
  --bt-cyan-100: #e0f2fe;
  --bt-orange: #f97316;
  --bt-orange-hover: #ea580c;
  --bt-slate-800: #1e293b;
  --bt-slate-700: #334155;
  --bt-slate-600: #475569;
  --bt-slate-500: #64748b;
  --bt-slate-400: #94a3b8;
  --bt-slate-300: #cbd5e1;
  --bt-slate-200: #e2e8f0;
  --bt-slate-100: #f1f5f9;
  --bt-slate-50: #f8fafc;
  --bt-white: #ffffff;
  --bt-red-600: #dc2626;
  --bt-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --bt-radius-sm: 4px;
  --bt-radius-md: 8px;
  --bt-radius-lg: 12px;
  --bt-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --bt-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --bt-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --bt-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --bt-transition: all 0.2s ease-in-out;

  /* Aliases for inner-page variable references */
  --bt-primary: var(--bt-cyan-600);
  --bt-accent: var(--bt-orange);
  --bt-navy: var(--bt-navy-950);
  --bt-text-muted: var(--bt-slate-600);
  --bt-border: var(--bt-slate-200);
}

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

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

body {
  font-family: var(--bt-font-sans);
  background-color: var(--bt-white);
  color: var(--bt-slate-700);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 74px; /* Space for mobile sticky bar */
}

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

/* Accessibility Skip Link */
.bt-skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--bt-orange);
  color: var(--bt-white);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  z-index: 9999;
  border-radius: var(--bt-radius-sm);
  text-decoration: none;
}
.bt-skip-link:focus {
  top: 1rem;
}

/* Container */
.bt-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.bt-header {
  background-color: var(--bt-navy-950);
  border-bottom: 2px solid var(--bt-cyan-600);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--bt-shadow-md);
}

.bt-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.bt-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.bt-brand__badge {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--bt-navy-800) 0%, var(--bt-cyan-600) 100%);
  border: 1px solid var(--bt-cyan-500);
  border-radius: var(--bt-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bt-orange);
}

.bt-brand__col {
  display: flex;
  flex-direction: column;
}

.bt-brand__title {
  color: var(--bt-white);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.bt-brand__loc {
  color: var(--bt-cyan-500);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

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

.bt-nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.4rem;
}

.bt-nav__item a,
.bt-dropdown__trigger {
  color: var(--bt-slate-200);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--bt-radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--bt-transition);
}

.bt-nav__item a:hover,
.bt-dropdown__trigger:hover,
.bt-nav__item a[aria-current="page"] {
  color: var(--bt-white);
  background-color: var(--bt-navy-800);
}

/* Services Dropdown */
.bt-dropdown {
  position: relative;
}

.bt-dropdown__arrow {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.bt-dropdown.is-open .bt-dropdown__arrow {
  transform: rotate(180deg);
}

@media (min-width: 992px) {
  .bt-dropdown:hover .bt-dropdown__arrow,
  .bt-dropdown:focus-within .bt-dropdown__arrow {
    transform: rotate(180deg);
  }
}

.bt-dropdown__panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: 295px;
  background-color: var(--bt-navy-900);
  border: 1px solid var(--bt-navy-700);
  border-radius: var(--bt-radius-md);
  box-shadow: var(--bt-shadow-xl);
  padding: 0.6rem 0;
  list-style: none;
  display: none;
  z-index: 1010;
  margin-top: 0;
}

.bt-dropdown__panel::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 10px;
}

.bt-dropdown.is-open .bt-dropdown__panel {
  display: block;
}

@media (min-width: 992px) {
  .bt-dropdown:hover .bt-dropdown__panel,
  .bt-dropdown:focus-within .bt-dropdown__panel {
    display: block;
  }
}

.bt-dropdown__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.15rem;
  color: var(--bt-slate-300);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--bt-transition);
}

.bt-dropdown__link:hover,
.bt-dropdown__link[aria-current="page"] {
  background-color: var(--bt-navy-800);
  color: var(--bt-cyan-500);
  padding-left: 1.4rem;
}

/* Call Button */
.bt-call-btn {
  background: linear-gradient(135deg, var(--bt-orange) 0%, #ea580c 100%);
  color: var(--bt-white) !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--bt-radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  box-shadow: 0 4px 10px rgba(249, 115, 22, 0.35);
  transition: var(--bt-transition);
  border: none;
  cursor: pointer;
}

.bt-call-btn:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  box-shadow: 0 6px 14px rgba(249, 115, 22, 0.45);
  transform: translateY(-1px);
}

.bt-call-btn--lg {
  font-size: 1.15rem;
  padding: 0.95rem 2.1rem;
  border-radius: var(--bt-radius-lg);
}

/* Menu Toggle Button (Mobile) */
.bt-menu-toggle {
  background: transparent;
  border: 1px solid var(--bt-navy-700);
  color: var(--bt-white);
  padding: 0.5rem;
  border-radius: var(--bt-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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

/* Mobile Drawer */
.bt-mobile-drawer {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  height: calc(100vh - 76px);
  background-color: var(--bt-navy-950);
  border-top: 1px solid var(--bt-navy-800);
  padding: 1.5rem;
  overflow-y: auto;
  display: none;
  z-index: 999;
}

.bt-mobile-drawer.is-active {
  display: block;
}

.bt-mobile-drawer .bt-nav__list {
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  width: 100%;
}

.bt-mobile-drawer .bt-dropdown__panel {
  position: static;
  width: 100%;
  box-shadow: none;
  border: none;
  background-color: var(--bt-navy-900);
  margin-top: 0.5rem;
  padding-left: 0.5rem;
}

/* Breadcrumbs */
.bt-breadcrumbs {
  background-color: var(--bt-slate-100);
  border-bottom: 1px solid var(--bt-slate-200);
  padding: 0.75rem 0;
  font-size: 0.85rem;
}

.bt-breadcrumbs__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.bt-breadcrumbs__item a {
  color: var(--bt-slate-600);
  text-decoration: none;
}
.bt-breadcrumbs__item a:hover {
  color: var(--bt-cyan-600);
}
.bt-breadcrumbs__sep {
  color: var(--bt-slate-400);
}
.bt-breadcrumbs__cur {
  color: var(--bt-navy-950);
  font-weight: 600;
}

/* Section Common */
.bt-section {
  padding: 3.5rem 0;
}

.bt-section--slate {
  background-color: var(--bt-slate-50);
  border-top: 1px solid var(--bt-slate-200);
  border-bottom: 1px solid var(--bt-slate-200);
}

/* Typography */
h1, h2, h3, h4, h5 {
  color: var(--bt-navy-950);
  font-weight: 800;
  line-height: 1.25;
}

h1 {
  font-size: 2.35rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

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

h2 {
  font-size: 1.85rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

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

p {
  margin-bottom: 1.25rem;
}

a {
  color: var(--bt-cyan-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--bt-orange);
}

.bt-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--bt-slate-600);
  margin-bottom: 2rem;
}

/* Grids */
.bt-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.bt-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

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

@media (min-width: 992px) {
  .bt-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Cards */
.bt-card {
  background-color: var(--bt-white);
  border: 1px solid var(--bt-slate-200);
  border-radius: var(--bt-radius-md);
  padding: 1.75rem;
  box-shadow: var(--bt-shadow-sm);
  transition: var(--bt-transition);
  display: flex;
  flex-direction: column;
}

.bt-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--bt-shadow-lg);
  border-color: var(--bt-cyan-500);
}

.bt-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--bt-cyan-100);
  color: var(--bt-cyan-600);
  border-radius: var(--bt-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.bt-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.bt-card__desc {
  font-size: 0.95rem;
  color: var(--bt-slate-600);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.bt-card__link {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--bt-navy-900);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}

.bt-card__link:hover {
  color: var(--bt-orange);
}

/* Image Frame */
.bt-frame {
  border-radius: var(--bt-radius-lg);
  overflow: hidden;
  box-shadow: var(--bt-shadow-xl);
  border: 1px solid var(--bt-slate-200);
}

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

/* Callouts & Alert Banners */
.bt-callout {
  background-color: var(--bt-slate-50);
  border-left: 4px solid var(--bt-cyan-500);
  border-radius: 0 var(--bt-radius-md) var(--bt-radius-md) 0;
  padding: 1.75rem;
  margin: 2rem 0;
}

.bt-callout__title {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--bt-navy-950);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.bt-alert-emergency {
  background-color: #fef2f2;
  border-left: 5px solid var(--bt-red-600);
  border-radius: 0 var(--bt-radius-md) var(--bt-radius-md) 0;
  padding: 1.75rem;
  margin: 2.5rem 0;
}

.bt-alert-emergency__title {
  color: var(--bt-red-600);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

/* High-Contrast CTA Banner */
.bt-banner {
  background: linear-gradient(135deg, var(--bt-navy-950) 0%, var(--bt-navy-900) 100%);
  border: 1px solid var(--bt-navy-700);
  border-radius: var(--bt-radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  margin: 3.5rem 0;
  box-shadow: var(--bt-shadow-xl);
}

.bt-banner h2 {
  color: var(--bt-white);
  margin-top: 0;
  margin-bottom: 1rem;
}

.bt-banner p {
  color: var(--bt-slate-300);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto 1.75rem auto;
}

/* FAQs Accordion */
.bt-faq-list {
  margin: 2rem 0;
}

.bt-faq-node {
  border: 1px solid var(--bt-slate-200);
  border-radius: var(--bt-radius-md);
  margin-bottom: 1rem;
  background-color: var(--bt-white);
  overflow: hidden;
}

.bt-faq-head {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: transparent;
  border: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--bt-navy-950);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}

.bt-faq-head:hover {
  background-color: var(--bt-slate-50);
}

.bt-faq-icon {
  width: 18px;
  height: 18px;
  color: var(--bt-cyan-600);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.bt-faq-node.is-open .bt-faq-icon {
  transform: rotate(180deg);
}

.bt-faq-body {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--bt-slate-600);
  display: none;
}

.bt-faq-node.is-open .bt-faq-body {
  display: block;
}

/* Footer */
.bt-footer {
  background-color: var(--bt-navy-950);
  color: var(--bt-slate-300);
  border-top: 3px solid var(--bt-cyan-600);
  padding: 4rem 0 2rem 0;
  font-size: 0.95rem;
}

.bt-footer a {
  color: var(--bt-slate-300);
  text-decoration: none;
  transition: var(--bt-transition);
}

.bt-footer a:hover {
  color: var(--bt-cyan-500);
}

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

@media (min-width: 768px) {
  .bt-footer__grid {
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
  }
}

.bt-footer h4 {
  color: var(--bt-white);
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.bt-footer__list {
  list-style: none;
}

.bt-footer__list li {
  margin-bottom: 0.65rem;
}

.bt-footer__bottom {
  border-top: 1px solid var(--bt-navy-800);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  font-size: 0.85rem;
  color: var(--bt-slate-400);
}

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

.bt-parent-ref {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--bt-slate-400);
}

.bt-parent-ref a {
  color: var(--bt-orange);
  font-weight: 600;
  text-decoration: underline;
}

/* Fixed Mobile Call Bar */
.bt-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bt-navy-950);
  border-top: 2px solid var(--bt-orange);
  padding: 0.75rem 1rem;
  z-index: 1020;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.bt-sticky-bar .bt-call-btn {
  width: 100%;
  justify-content: center;
  font-size: 1.1rem;
  padding: 0.8rem;
}

/* SVG icon helper */
.bt-svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

/* ==========================================================================
   INNER PAGES COMPATIBILITY STYLES (.bt-top-bar, .bt-nav-bar, .bt-badge, etc.)
   ========================================================================== */

/* Top Bar */
.bt-top-bar {
  background-color: #030a14;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0;
  font-size: 0.82rem;
  color: var(--bt-slate-300);
}

.bt-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.bt-top-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Nav Bar Container & Elements */
.bt-nav-bar {
  background-color: var(--bt-navy-950);
  padding: 0.6rem 0;
}

.bt-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.bt-logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--bt-navy-800) 0%, var(--bt-cyan-600) 100%);
  border: 1px solid var(--bt-cyan-500);
  border-radius: var(--bt-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bt-orange);
}

.bt-logo-text {
  display: flex;
  flex-direction: column;
}

.bt-logo-title {
  color: var(--bt-white);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.1;
}

.bt-logo-sub {
  color: var(--bt-cyan-500);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Navigation Links & Dropdown */
.bt-nav-links {
  display: none;
  align-items: center;
  gap: 0.35rem;
}

@media (min-width: 992px) {
  .bt-nav-links {
    display: flex;
  }
}

.bt-nav-link {
  color: var(--bt-slate-200);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--bt-radius-sm);
  transition: var(--bt-transition);
}

.bt-nav-link:hover,
.bt-nav-link.bt-active {
  color: var(--bt-cyan-500);
  background-color: rgba(14, 165, 233, 0.1);
}

/* Desktop Dropdown in Inner Pages */
.bt-nav-dropdown {
  position: relative;
}

.bt-dropdown-btn {
  background: transparent;
  border: none;
  color: var(--bt-slate-200);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--bt-radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: var(--bt-transition);
}

.bt-dropdown-btn:hover,
.bt-dropdown-btn.bt-active {
  color: var(--bt-cyan-500);
}

.bt-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 285px;
  background-color: var(--bt-navy-900);
  border: 1px solid var(--bt-navy-700);
  border-radius: var(--bt-radius-md);
  box-shadow: var(--bt-shadow-xl);
  padding: 0.5rem 0;
  display: none;
  z-index: 1010;
  margin-top: 0;
}

/* Hover bridge pseudo-element */
.bt-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 10px;
}

/* Open on hover, focus-within, and active class */
.bt-nav-dropdown:hover .bt-dropdown-menu,
.bt-nav-dropdown:focus-within .bt-dropdown-menu,
.bt-nav-dropdown.is-open .bt-dropdown-menu {
  display: block;
}

.bt-dropdown-item {
  display: block;
  padding: 0.55rem 1.15rem;
  color: var(--bt-slate-300);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--bt-transition);
}

.bt-dropdown-item:hover,
.bt-dropdown-item.bt-active {
  background-color: var(--bt-navy-800);
  color: var(--bt-cyan-500);
  padding-left: 1.4rem;
}

/* Header CTA & Toggle */
.bt-nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--bt-radius-md);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--bt-transition);
  font-family: inherit;
}

.bt-btn-primary {
  background: linear-gradient(135deg, var(--bt-orange) 0%, #ea580c 100%);
  color: var(--bt-white) !important;
  box-shadow: 0 4px 10px rgba(249, 115, 22, 0.35);
}

.bt-btn-primary:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(249, 115, 22, 0.45);
}

.bt-btn-header {
  background: linear-gradient(135deg, var(--bt-orange) 0%, #ea580c 100%);
  color: var(--bt-white) !important;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  box-shadow: 0 3px 8px rgba(249, 115, 22, 0.3);
}

.bt-btn-header:hover {
  transform: translateY(-1px);
}

.bt-btn-lg {
  font-size: 1.1rem;
  padding: 0.9rem 1.85rem;
  border-radius: var(--bt-radius-lg);
}

.bt-btn-outline {
  background: transparent;
  color: var(--bt-navy-950);
  border: 2px solid var(--bt-slate-300);
}

.bt-btn-outline:hover {
  border-color: var(--bt-cyan-600);
  color: var(--bt-cyan-600);
  background-color: var(--bt-cyan-100);
}

/* Mobile Nav Drawer */
.bt-mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85%;
  height: 100vh;
  background-color: var(--bt-navy-950);
  z-index: 2000;
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.4);
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 1.5rem;
}

.bt-mobile-nav.is-active,
.bt-mobile-nav.active {
  right: 0;
}

.bt-mobile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--bt-navy-800);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.bt-menu-close {
  background: transparent;
  border: none;
  color: var(--bt-white);
  cursor: pointer;
  padding: 0.4rem;
}

.bt-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.bt-mobile-item {
  color: var(--bt-slate-200);
  text-decoration: none;
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--bt-radius-sm);
  transition: var(--bt-transition);
}

.bt-mobile-item:hover,
.bt-mobile-item.bt-active {
  color: var(--bt-cyan-500);
  background-color: var(--bt-navy-900);
}

/* Breadcrumb list */
.bt-crumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.bt-crumb-item a {
  color: var(--bt-slate-600);
  text-decoration: none;
}

.bt-crumb-item a:hover {
  color: var(--bt-cyan-600);
}

.bt-crumb-item + .bt-crumb-item::before {
  content: "›";
  color: var(--bt-slate-400);
  margin-right: 0.5rem;
}

.bt-crumb-item[aria-current="page"] {
  color: var(--bt-navy-950);
  font-weight: 600;
}

/* Hero & General Layout Elements */
.bt-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .bt-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.bt-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.bt-image-frame {
  border-radius: var(--bt-radius-lg);
  overflow: hidden;
  box-shadow: var(--bt-shadow-xl);
  border: 1px solid var(--bt-slate-200);
  background-color: var(--bt-slate-100);
}

.bt-image-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Badge */
.bt-badge {
  display: inline-block;
  background-color: var(--bt-cyan-100);
  color: var(--bt-cyan-600);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(14, 165, 233, 0.25);
  margin-bottom: 0.75rem;
}

.bt-h1 {
  font-size: 2.25rem;
  color: var(--bt-navy-950);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .bt-h1 { font-size: 2.75rem; }
}

.bt-h2 {
  font-size: 1.85rem;
  color: var(--bt-navy-950);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.bt-h3 {
  font-size: 1.35rem;
  color: var(--bt-navy-950);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.bt-h4 {
  font-size: 1.15rem;
  color: var(--bt-navy-950);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.bt-bg-alt {
  background-color: var(--bt-slate-50);
  border-top: 1px solid var(--bt-slate-200);
  border-bottom: 1px solid var(--bt-slate-200);
}

.bt-bg-navy {
  background-color: var(--bt-navy-950);
  color: var(--bt-white);
}

.bt-card-icon {
  width: 44px;
  height: 44px;
  background-color: var(--bt-cyan-100);
  color: var(--bt-cyan-600);
  border-radius: var(--bt-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.bt-link-inline {
  color: var(--bt-cyan-600);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.bt-link-inline:hover {
  color: var(--bt-orange);
  text-decoration: underline;
}

/* FAQ Items in Inner Pages */
.bt-faq-item {
  border: 1px solid var(--bt-slate-200);
  border-radius: var(--bt-radius-md);
  margin-bottom: 1rem;
  background-color: var(--bt-white);
  overflow: hidden;
}

.bt-faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: transparent;
  border: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--bt-navy-950);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}

.bt-faq-question:hover {
  background-color: var(--bt-slate-50);
}

.bt-faq-question .bt-icon {
  transition: transform 0.2s ease;
  flex-shrink: 0;
  color: var(--bt-cyan-600);
}

.bt-faq-item.is-open .bt-faq-question .bt-icon {
  transform: rotate(180deg);
}

.bt-faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--bt-slate-600);
  display: none;
}

.bt-faq-item.is-open .bt-faq-answer {
  display: block;
}

/* Footer in Inner Pages */
.bt-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .bt-footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}

.bt-footer-brand {
  color: var(--bt-white);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.bt-footer-desc {
  color: var(--bt-slate-400);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.bt-footer-geo {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--bt-cyan-500);
  font-size: 0.9rem;
  font-weight: 600;
}

.bt-footer-heading {
  color: var(--bt-white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.bt-footer-links {
  list-style: none;
}

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

.bt-footer-links a {
  color: var(--bt-slate-300);
  text-decoration: none;
  transition: var(--bt-transition);
}

.bt-footer-links a:hover {
  color: var(--bt-cyan-500);
}

.bt-footer-bottom {
  border-top: 1px solid var(--bt-navy-800);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--bt-slate-400);
}

/* Mobile Bottom Bar for Inner Pages */
.bt-mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bt-navy-950);
  border-top: 2px solid var(--bt-orange);
  padding: 0.75rem 1rem;
  z-index: 1020;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.bt-mobile-call-btn {
  width: 100%;
  justify-content: center;
  font-size: 1.1rem;
  padding: 0.8rem;
  background: linear-gradient(135deg, var(--bt-orange) 0%, #ea580c 100%);
  color: var(--bt-white) !important;
  font-weight: 700;
  border-radius: var(--bt-radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

/* Icon Sizing Utility Classes */
.bt-icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  vertical-align: middle;
}

.bt-icon-xs {
  width: 14px;
  height: 14px;
}

.bt-icon-sm {
  width: 16px;
  height: 16px;
}

.bt-icon-lg {
  width: 28px;
  height: 28px;
}