/* =========================================================================
   ServXHub HVAC Subdomain Stylesheet
   Theme: High-Contrast Luxury Gold & Dark Charcoal for Pay-Per-Call Leads
   ========================================================================= */

:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --bg-primary: #FAF9F5;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;

  --primary: #D97706;
  --primary-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --gold-bright: #FFC107;

  --text-primary: #0F172A;
  --text-secondary: #475569;

  --border: rgba(15, 23, 42, 0.1);
  --border-gold: rgba(245, 158, 11, 0.4);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --max-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* =========================================================================
   PAGE PRELOADER STYLES
   ========================================================================= */
.page-preloader {
  position: fixed;
  inset: 0;
  background: #0F172A;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.preloader-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 0 50px rgba(245, 158, 11, 0.5);
  animation: pulsePreloader 1.8s ease-in-out infinite alternate;
}

.loading-text {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.loading-word {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.loading-subtext {
  font-size: 0.8rem;
  color: #FFC107;
  letter-spacing: 0.05em;
}

@keyframes pulsePreloader {
  0% {
    transform: scale(0.92);
    filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.3));
  }
  100% {
    transform: scale(1.08);
    filter: drop-shadow(0 0 45px rgba(255, 193, 7, 0.8));
  }
}

/* --- Always Visible Scrollbar --- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #0F172A;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #F59E0B 0%, #D97706 100%);
  border-radius: 5px;
  border: 2px solid #0F172A;
}

::-webkit-scrollbar-thumb:hover {
  background: #FFC107;
}

/* --- Glow Orbs --- */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

.orb-1 {
  width: 350px;
  height: 350px;
  background: rgba(245, 158, 11, 0.25);
  top: -80px;
  right: -80px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: rgba(217, 119, 6, 0.18);
  bottom: 10%;
  left: -120px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* --- Glassmorphic Cards --- */
.glass-card {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--border-gold);
  border-radius: var(--radius-lg);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15), 0 0 25px rgba(245, 158, 11, 0.12);
}

/* --- Top Urgency Hotline Bar --- */
.top-urgency-bar {
  background: #0F172A;
  color: #FFFFFF;
  padding: 8px 0;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
}

.urgency-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.urgency-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: #EF4444;
  border-radius: 50%;
  box-shadow: 0 0 8px #EF4444;
  animation: blinkRed 1.5s infinite;
}

@keyframes blinkRed {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.top-call-link {
  color: #FFC107;
  text-decoration: none;
  font-weight: 700;
  transition: color 0.2s;
}

.top-call-link:hover {
  color: #FFFFFF;
}

/* =========================================================================
   HEADER & ULTRA-PROMINENT LOGO STYLES
   ========================================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 2px solid #F59E0B;
  padding: 10px 0;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

/* PROMINENT LOGO STYLING */
.nav-logo-badge {
  background: #0F172A;
  padding: 6px 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #F59E0B;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
  transition: transform 0.2s ease;
}

.nav-logo:hover .nav-logo-badge {
  transform: scale(1.05);
}

.nav-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--text-primary);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  color: #065F46;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.btn-phone-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-gradient);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.88rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(217, 119, 6, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-phone-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.55);
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */
.hero-section {
  padding: 32px 0 40px;
  position: relative;
  min-height: 460px;
}

.hero-bg-image {
  background-image: url('../assets/hvac_tech_filling_ac.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.72) 0%, rgba(15, 23, 42, 0.62) 65%, rgba(250, 249, 245, 1) 100%);
  z-index: 0;
}

.hero-content {
  text-align: center;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.95);
}

.hero-title span {
  color: #FFC107;
  text-shadow: 0 0 16px rgba(255, 193, 7, 0.5);
}

.hero-subtitle {
  font-size: 0.98rem;
  color: #FFFFFF;
  max-width: 680px;
  margin: 0 auto 20px;
  line-height: 1.5;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
  font-weight: 500;
}

/* =========================================================================
   GIANT CALL BOX
   ========================================================================= */
.giant-call-box {
  max-width: 680px;
  margin: 0 auto 24px;
  padding: 24px 28px;
  background: rgba(15, 23, 42, 0.94);
  border: 2px solid #FFC107;
  box-shadow: 0 16px 45px rgba(0,0,0,0.5), 0 0 30px rgba(255, 193, 7, 0.3);
  text-align: center;
}

.call-box-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  color: #FFC107;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.btn-giant-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, #FFC107 0%, #D97706 100%);
  color: #0F172A;
  padding: 14px 24px;
  border-radius: 14px;
  text-decoration: none;
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 12px;
}

.btn-giant-call:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 35px rgba(255, 193, 7, 0.6);
}

.phone-icon-circle {
  width: 44px;
  height: 44px;
  background: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.call-btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.call-btn-sub {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #0F172A;
}

.call-btn-main {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.1;
  color: #0F172A;
}

.call-perks {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  color: #E2E8F0;
  font-size: 0.82rem;
  font-weight: 600;
}

.hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.96);
  border: 1.5px solid var(--border-gold);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

/* =========================================================================
   TRUST PILLARS & ABOUT SECTION STYLES
   ========================================================================= */
.trust-pillars-section {
  padding: 40px 0;
  background: #FFFFFF;
}

.trust-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.trust-card {
  padding: 24px 18px;
  text-align: left;
  transition: transform 0.3s ease;
}

.trust-card:hover {
  transform: translateY(-4px);
}

.trust-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.trust-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.trust-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.about-section {
  padding: 40px 0;
}

.about-card {
  padding: 32px 36px;
  text-align: left;
}

.about-content h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.about-content h2 span {
  color: var(--primary);
}

.about-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

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

/* =========================================================================
   SERVICE AREAS DIRECTORY STYLES
   ========================================================================= */
.service-areas-section {
  padding: 40px 0;
  background: #FFFFFF;
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.area-card {
  padding: 20px;
  text-align: left;
}

.area-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--primary);
}

.city-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.city-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.city-links a:hover {
  color: var(--primary);
}

/* =========================================================================
   SECTIONS & FOOTER
   ========================================================================= */
.features-section, .faq-section, .testimonials-section {
  padding: 36px 0;
}

.section-head {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 28px;
}

.section-head h2 {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.section-head h2 span {
  color: var(--primary);
}

.section-head p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 20px 16px;
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feat-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* --- FAQ Section --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-card {
  padding: 14px 18px;
  text-align: left;
}

.faq-btn {
  width: 100%;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  font-size: 1.1rem;
  color: var(--primary);
  transition: transform 0.3s;
}

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

.faq-body {
  display: none;
  padding-top: 8px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.45;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  margin-top: 8px;
}

.faq-body.show {
  display: block;
}

/* --- Testimonials --- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 14px;
}

.review-card {
  padding: 20px;
}

.review-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.review-head img {
  border-radius: 50%;
  border: 2px solid var(--primary);
}

.stars {
  color: #F59E0B;
  font-size: 0.78rem;
  margin-top: 2px;
}

.badge-verified {
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  margin-left: 4px;
}

.review-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
  font-style: italic;
}

/* --- Disclaimer Section --- */
.disclaimer-section {
  padding: 30px 0;
}

.disclaimer-card {
  padding: 20px 24px;
  border-left: 4px solid var(--primary);
  text-align: left;
}

.disclaimer-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.disclaimer-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* =========================================================================
   FOOTER STYLES
   ========================================================================= */
.legal-footer {
  background: #0B0F17;
  color: #94A3B8;
  padding: 50px 0 24px;
  font-size: 0.82rem;
  border-top: 2px solid #F59E0B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.82rem;
  line-height: 1.55;
  color: #94A3B8;
  margin-bottom: 16px;
}

.footer-phone-btn {
  display: inline-block;
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.4);
  transition: transform 0.2s;
}

.footer-phone-btn:hover {
  transform: translateY(-2px);
  color: #FFFFFF;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: #FFFFFF;
  font-size: 0.98rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 20px;
  height: 2px;
  background: #F59E0B;
}

.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-menu a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.2s;
}

.footer-menu a:hover {
  color: #FFC107;
}

.compliance-badges {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: #CBD5E1;
  font-size: 0.82rem;
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 20px;
}

.footer-legal-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-legal-links button {
  background: transparent;
  border: none;
  color: #94A3B8;
  cursor: pointer;
  font-size: 0.8rem;
  transition: color 0.2s;
}

.footer-legal-links button:hover {
  color: #FFC107;
}

/* --- Mobile Sticky Bar --- */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #0F172A;
  padding: 10px 14px;
  z-index: 9998;
  gap: 10px;
  border-top: 2px solid #F59E0B;
}

.btn-mobile-call {
  flex: 1;
  text-align: center;
  background: var(--primary-gradient);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

/* --- Modals --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 99999;
  overflow-y: auto;
  padding: 30px 16px;
}

.modal-box {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  max-width: 640px;
  margin: 30px auto;
  padding: 28px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: #E2E8F0;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 700;
}

.modal-box h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.modal-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.modal-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 650px) {
  .nav-status { display: none; }
  .mobile-sticky-bar { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .giant-call-box { padding: 20px 14px; }
  .areas-grid, .trust-pillars-grid { grid-template-columns: 1fr; }
}