/* ==========================================================================
   CYANOMITRA PHELPS HEATING AND AIR CONDITIONING - STYLESHEET
   Clean, Professional, Fast, 100% Vanilla CSS3
   ========================================================================== */

/* 1. CSS Reset & Variables */
:root {
  --primary-navy: #0e2746;
  --primary-dark: #07172b;
  --primary-blue: #0284c7;
  --primary-blue-hover: #0369a1;
  --accent-heating: #ea580c;
  --accent-heating-hover: #c2410c;
  --accent-cooling: #06b6d4;
  --accent-cooling-soft: #e0f2fe;
  --accent-heating-soft: #ffedd5;
  
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-dark: #0a192f;
  
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #ffffff;
  --text-light-muted: #cbd5e1;
  
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: #1e293b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-page);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* Safe Container */
.container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.container-narrow {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
}

/* 2. Typography & Section Headers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
}

p {
  color: var(--text-body);
  margin-bottom: 1rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 2.75rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--accent-cooling-soft);
  color: var(--primary-blue);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-tag.heating-tag {
  background-color: var(--accent-heating-soft);
  color: var(--accent-heating);
}

.section-title {
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* 3. Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--text-light);
  box-shadow: 0 2px 4px rgba(2, 132, 199, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-blue-hover);
  color: var(--text-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(2, 132, 199, 0.3);
}

.btn-accent {
  background-color: var(--accent-heating);
  color: var(--text-light);
  box-shadow: 0 2px 4px rgba(234, 88, 12, 0.25);
}

.btn-accent:hover {
  background-color: var(--accent-heating-hover);
  color: var(--text-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(234, 88, 12, 0.35);
}

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

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

.btn-outline-white {
  background-color: transparent;
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--text-light);
}

.btn-white {
  background-color: #ffffff;
  color: var(--primary-navy);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: #f8fafc;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  min-height: 38px;
}

.btn-icon {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
}

/* 4. Top Info Bar */
.top-bar {
  background-color: var(--primary-dark);
  color: var(--text-light-muted);
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

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

.top-info-item svg {
  width: 0.95rem;
  height: 0.95rem;
  color: var(--accent-cooling);
}

.top-info-item a:hover {
  color: var(--text-light);
}

.top-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: rgba(234, 88, 12, 0.2);
  color: #fdba74;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 6px #22c55e;
}

/* 5. Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--primary-navy);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.2;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
  flex-shrink: 0;
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

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

.brand-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary-navy);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--accent-heating);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Desktop Nav */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-body);
  padding: 0.4rem 0.2rem;
  position: relative;
}

.nav-link:hover {
  color: var(--primary-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--primary-navy);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
}

.header-phone:hover {
  background-color: #e2e8f0;
  color: var(--primary-blue);
}

.header-phone svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--accent-heating);
}

/* Hamburger button */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-main);
  min-height: 42px;
  min-width: 42px;
  align-items: center;
  justify-content: center;
}

.mobile-toggle svg {
  width: 1.35rem;
  height: 1.35rem;
}

/* Mobile Menu Drawer */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(2px);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(340px, 85vw);
  height: 100vh;
  background-color: #ffffff;
  z-index: 1001;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
}

.mobile-drawer.active {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-drawer-close {
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.4rem;
  cursor: pointer;
  color: var(--text-muted);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  border-left: 3px solid transparent;
}

.mobile-nav-link:hover, .mobile-nav-link:active {
  background-color: var(--bg-subtle);
  color: var(--primary-blue);
  border-left-color: var(--primary-blue);
}

.mobile-drawer-actions {
  margin-top: auto;
  padding: 1.5rem 1.25rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: var(--bg-subtle);
}

/* 6. Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #f0f7ff 0%, var(--bg-page) 100%);
  padding: 3rem 0 3.5rem;
  border-bottom: 1px solid var(--border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary-navy);
  background-color: #ffffff;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.location-badge svg {
  width: 0.95rem;
  height: 0.95rem;
  color: var(--accent-heating);
}

.hero-title {
  color: var(--primary-navy);
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-highlight {
  color: var(--primary-blue);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-body);
  line-height: 1.6;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.hero-trust-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.85rem;
  margin-top: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.hero-trust-item svg {
  width: 1.1rem;
  height: 1.1rem;
  color: #16a34a;
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
}

.hero-card-wrapper {
  position: relative;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 0.85rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
}

.hero-image {
  width: 100%;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: var(--bg-subtle);
}

.hero-floating-badge {
  position: absolute;
  bottom: 1.75rem;
  left: 1.75rem;
  background-color: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}

.hero-floating-icon {
  width: 2.25rem;
  height: 2.25rem;
  background-color: var(--accent-heating);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}

.hero-floating-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.hero-floating-text strong {
  display: block;
  font-size: 0.95rem;
  color: #ffffff;
}

.hero-floating-text span {
  font-size: 0.75rem;
  color: #cbd5e1;
}

/* 7. Services Section */
.services-section {
  padding: 4.5rem 0;
  background-color: #ffffff;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background-color: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: #bfdbfe;
  background-color: #ffffff;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-cooling-soft) 0%, #e0e7ff 100%);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-icon-box.heating-icon {
  background: linear-gradient(135deg, var(--accent-heating-soft) 0%, #fee2e2 100%);
  color: var(--accent-heating);
}

.service-icon-box svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  margin-bottom: 0.6rem;
  color: var(--primary-navy);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--text-body);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-light);
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.service-feature-item svg {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.service-action {
  margin-top: auto;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--primary-blue);
}

.service-link:hover {
  color: var(--primary-navy);
  gap: 0.55rem;
}

/* 8. Why Choose Us */
.why-section {
  padding: 4.5rem 0;
  background-color: var(--bg-page);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.why-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1.25rem;
}

.why-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--primary-dark);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-cooling);
}

.why-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
}

.why-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* 9. Service Areas Section */
.areas-section {
  padding: 4.5rem 0;
  background-color: #ffffff;
}

.areas-box {
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.areas-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  text-align: center;
}

.areas-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.area-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: #ffffff;
  color: var(--primary-navy);
  border: 1px solid var(--border-medium);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.area-chip:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: translateY(-1px);
}

.area-chip svg {
  width: 1rem;
  height: 1rem;
  color: var(--accent-heating);
}

.area-chip.primary-location {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

.area-chip.primary-location svg {
  color: #38bdf8;
}

.areas-cta-banner {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  border: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.areas-cta-text strong {
  display: block;
  font-size: 1.05rem;
  color: var(--primary-navy);
}

.areas-cta-text span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* 10. Our Process Section */
.process-section {
  padding: 4.5rem 0;
  background-color: var(--bg-page);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.process-step-num {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.875rem;
}

.process-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--accent-cooling-soft);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.process-icon svg {
  width: 24px;
  height: 24px;
}

.process-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.process-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.55;
}

/* 11. FAQ Section */
.faq-section {
  padding: 4.5rem 0;
  background-color: #ffffff;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-page);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-item.active {
  border-color: #bfdbfe;
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
}

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

.faq-button:hover {
  color: var(--primary-blue);
}

.faq-icon-chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon-chevron {
  transform: rotate(180deg);
  color: var(--primary-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* 12. Contact & Quote Section */
.contact-section {
  padding: 4.5rem 0;
  background-color: var(--bg-page);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info-card {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
  color: #ffffff;
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

.contact-info-card p {
  color: var(--text-light-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--accent-cooling);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact-detail-icon svg {
  width: 18px;
  height: 18px;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-light-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.contact-detail-text a, .contact-detail-text span {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.contact-detail-text a:hover {
  color: var(--accent-cooling);
}

.emergency-callout-box {
  background-color: rgba(234, 88, 12, 0.15);
  border: 1px solid rgba(234, 88, 12, 0.4);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.emergency-callout-box strong {
  display: block;
  color: #fdba74;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.emergency-callout-box p {
  color: #fed7aa;
  font-size: 0.85rem;
  margin: 0;
}

/* Contact Form */
.contact-form-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.contact-form-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.contact-form-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-main);
  background-color: #ffffff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-notice {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.4;
}

.form-status-msg {
  display: none;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  margin-top: 1rem;
  font-size: 0.875rem;
}

.form-status-msg.success {
  display: block;
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.form-status-msg.error {
  display: block;
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* 13. Final CTA Banner */
.final-cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
  color: #ffffff;
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta-content {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.final-cta-content h2 {
  color: #ffffff;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 1rem;
}

.final-cta-content p {
  color: var(--text-light-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.final-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 14. Social Media Section (Clearly Grouped) */
.social-links-section {
  padding: 3rem 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

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

.social-header h3 {
  font-size: 1.15rem;
  color: var(--primary-navy);
  margin-bottom: 0.25rem;
}

.social-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.social-icons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: var(--bg-page);
  border: 1px solid var(--border-light);
  color: var(--text-body);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.social-btn svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.social-btn:hover {
  background-color: #ffffff;
  color: var(--primary-blue);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* 15. Footer */
.site-footer {
  background-color: var(--primary-dark);
  color: var(--text-light-muted);
  padding: 4rem 0 1.5rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-light-muted);
  font-size: 0.875rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-list a {
  color: var(--text-light-muted);
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-nav-list a:hover {
  color: #ffffff;
  padding-left: 0.25rem;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
}

.footer-contact-item svg {
  width: 1rem;
  height: 1rem;
  color: var(--accent-cooling);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-contact-item a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8125rem;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* 16. Asura Download Banner & Float */
.asura-download-bar {
  background: #1e293b;
  color: #f8fafc;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.asura-download-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.asura-download-info svg {
  width: 1.1rem;
  height: 1.1rem;
  color: #38bdf8;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (Mandatory Support: 1920px -> 375px)
   ========================================================================== */

/* Tablet & Smaller Desktop: 1024px */
@media screen and (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-toggle {
    display: inline-flex;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-visual {
    max-width: 540px;
    margin: 0 auto;
    width: 100%;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Tablet: 768px */
@media screen and (max-width: 768px) {
  .top-bar-left, .top-bar-right {
    justify-content: center;
    width: 100%;
  }
  
  .top-bar-inner {
    justify-content: center;
    gap: 0.5rem;
  }
  
  .header-phone {
    display: none;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
  
  .hero-trust-list {
    grid-template-columns: 1fr;
  }
}

/* Mobile Small: 480px / 390px / 375px */
@media screen and (max-width: 480px) {
  .container, .container-narrow {
    width: calc(100% - 24px);
  }
  
  .brand-name {
    font-size: 0.95rem;
  }
  
  .brand-mark {
    width: 36px;
    height: 36px;
  }
  
  .brand-mark svg {
    width: 20px;
    height: 20px;
  }
  
  .hero-section {
    padding: 2rem 0;
  }
  
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta-group .btn {
    width: 100%;
  }
  
  .final-cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .final-cta-buttons .btn {
    width: 100%;
  }
  
  .areas-cta-banner {
    flex-direction: column;
    text-align: center;
  }
  
  .areas-cta-banner .btn {
    width: 100%;
  }
  
  .contact-info-card, .contact-form-card {
    padding: 1.5rem 1.25rem;
  }
  
  .faq-button {
    padding: 1rem 1.15rem;
    font-size: 0.95rem;
  }
  
  .faq-answer {
    padding: 0 1.15rem;
  }
  
  .faq-item.active .faq-answer {
    padding: 0 1.15rem 1rem 1.15rem;
  }
  
  .hero-floating-badge {
    position: static;
    margin-top: 1rem;
  }
}