/* ==========================================================================
   CUUHOXEMAYMOTOR.IO.VN - Hệ Thống Cứu Hộ Xe Máy & Motor PKL 24/7 TP.HCM
   Hotline / Zalo: 0937.466.210
   ========================================================================== */

:root {
  --bg-dark: #0b0f19;
  --bg-dark-secondary: #111827;
  --bg-dark-card: #1e293b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --primary: #ff5722;
  --primary-hover: #e64a19;
  --primary-light: #fff3ef;
  --accent-amber: #f59e0b;
  --accent-amber-light: #fef3c7;
  --danger: #ef4444;
  --success: #10b981;
  --zalo: #0068ff;
  --zalo-hover: #0052cc;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --text-white: #f8fafc;
  --border-color: #e2e8f0;
  --border-dark: #334155;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.16);
  --shadow-orange: 0 10px 25px rgba(255, 87, 34, 0.35);
  --shadow-zalo: 0 10px 25px rgba(0, 104, 255, 0.35);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 72px; /* space for mobile bottom bar */
}

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   TOP EMERGENCY BAR
   ========================================================================== */
.top-bar {
  background: linear-gradient(90deg, #090d16 0%, #172033 50%, #090d16 100%);
  color: var(--text-white);
  font-size: 0.85rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #e2e8f0;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: var(--success);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 1.8s infinite;
}

@keyframes pulseGreen {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

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

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
}

.top-bar-item strong {
  color: var(--accent-amber);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-amber) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 4px 14px rgba(255, 87, 34, 0.4);
  flex-shrink: 0;
}

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

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-transform: uppercase;
}

.brand-title span {
  color: var(--primary);
}

.brand-subtitle {
  font-size: 0.74rem;
  color: #94a3b8;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 0.94rem;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  background: rgba(255, 87, 34, 0.16);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0.95rem;
  right: 0.95rem;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.72rem 1.3rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #ff7043 100%);
  color: #ffffff;
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(255, 87, 34, 0.45);
}

.btn-zalo {
  background: linear-gradient(135deg, var(--zalo) 0%, #1e88e5 100%);
  color: #ffffff;
  box-shadow: var(--shadow-zalo);
}

.btn-zalo:hover {
  background: linear-gradient(135deg, var(--zalo-hover) 0%, var(--zalo) 100%);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0, 104, 255, 0.45);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #ffffff;
}

.btn-lg {
  padding: 0.95rem 1.75rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.mobile-menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(255, 87, 34, 0.18), transparent 45%),
              radial-gradient(circle at 20% 80%, rgba(0, 104, 255, 0.15), transparent 45%),
              linear-gradient(180deg, #0b0f19 0%, #111827 100%);
  color: #ffffff;
  padding: 3.5rem 0 4.5rem;
  overflow: hidden;
}

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

.emergency-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(255, 87, 34, 0.18);
  border: 1px solid rgba(255, 87, 34, 0.45);
  color: #ffab91;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.42rem 0.95rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 1.15rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: var(--primary);
  background: linear-gradient(90deg, #ff5722, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.08rem;
  color: #cbd5e1;
  margin-bottom: 1.5rem;
  max-width: 640px;
}

.district-tags-hero {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.75rem;
}

.district-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f8fafc;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.32rem 0.75rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.district-badge i {
  color: var(--accent-amber);
}

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

.hero-trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-mini {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trust-mini-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.trust-mini-text strong {
  display: block;
  font-size: 0.98rem;
  color: #ffffff;
}

.trust-mini-text span {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* Hero Visual & SOS Card */
.hero-visual-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  aspect-ratio: 16 / 10;
  background: #1e293b;
}

.hero-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-floating-card {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.sos-quick-box {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(255, 87, 34, 0.4);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
}

.sos-quick-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}

.sos-quick-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sos-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.form-control {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid #334155;
  background: #0f172a;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.9rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

.form-control-light {
  width: 100%;
  padding: 0.78rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-control-light:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.15);
}

/* ==========================================================================
   SECTION COMMONS
   ========================================================================== */
.section {
  padding: 4.5rem 0;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-white);
}

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

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.section-dark .section-tag {
  background: rgba(255, 87, 34, 0.15);
  color: #ff8a65;
}

.section-title {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.02rem;
}

.section-dark .section-subtitle {
  color: #94a3b8;
}

/* ==========================================================================
   STATS STRIP
   ========================================================================== */
.stats-strip {
  background: linear-gradient(90deg, #ff5722 0%, #e64a19 50%, #d84315 100%);
  color: #ffffff;
  padding: 2rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-size: 0.92rem;
  font-weight: 500;
  opacity: 0.95;
}

/* ==========================================================================
   SERVICES GRID
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 87, 34, 0.4);
}

.service-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #1e293b;
}

.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.service-card:hover .service-img-wrap img {
  transform: scale(1.06);
}

.service-price-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(6px);
  color: var(--accent-amber);
  font-weight: 800;
  font-size: 0.84rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.service-time-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.service-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-body h3 {
  font-size: 1.22rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
  color: var(--text-main);
}

.service-body p {
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.service-features {
  margin-bottom: 1.35rem;
  flex-grow: 1;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 0.45rem;
  font-weight: 500;
}

.service-features li i {
  color: var(--success);
  margin-top: 4px;
}

.service-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* ==========================================================================
   10 DISTRICTS COVERAGE GRID
   ========================================================================== */
.district-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.district-filter-btn {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-dark);
  background: var(--bg-dark-card);
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}

.district-filter-btn:hover,
.district-filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.districts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(275px, 1fr));
  gap: 1.25rem;
}

.district-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.district-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.district-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.district-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.district-name i {
  color: var(--primary);
}

.eta-badge {
  background: rgba(16, 185, 129, 0.16);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-full);
}

.district-streets {
  font-size: 0.86rem;
  color: #cbd5e1;
  margin-bottom: 0.75rem;
}

.district-station {
  font-size: 0.82rem;
  color: #94a3b8;
  background: rgba(15, 23, 42, 0.65);
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  border-left: 3px solid var(--accent-amber);
}

.district-card-actions {
  display: flex;
  gap: 0.5rem;
}

.district-card-actions .btn {
  flex: 1;
  padding: 0.55rem 0.75rem;
  font-size: 0.84rem;
}

/* ==========================================================================
   INTERACTIVE PRICE CALCULATOR & PRICING TABLE
   ========================================================================== */
.calculator-box {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid rgba(255, 87, 34, 0.35);
  box-shadow: var(--shadow-lg);
  margin-bottom: 3rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
}

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

.calc-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 0.4rem;
}

.calc-result-card {
  background: rgba(11, 15, 25, 0.85);
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.calc-price-display {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-amber);
  margin: 0.5rem 0;
}

.pricing-table-wrap {
  overflow-x: auto;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.pricing-table th {
  background: #0f172a;
  color: #ffffff;
  text-align: left;
  padding: 1.1rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.pricing-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.94rem;
}

.pricing-table tr:hover td {
  background: #f8fafc;
}

.price-highlight {
  font-weight: 800;
  color: var(--primary);
}

/* ==========================================================================
   PROCESS STEPS
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.4rem;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-amber) 100%);
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.1rem;
  box-shadow: var(--shadow-orange);
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   TESTIMONIALS & FAQ
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.review-stars {
  color: var(--accent-amber);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 1.15rem;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
}

.review-author strong {
  display: block;
  font-size: 0.92rem;
}

.review-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

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

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.15rem 1.35rem;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-answer {
  padding: 0 1.35rem 1.15rem;
  font-size: 0.94rem;
  color: var(--text-muted);
  display: none;
}

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

.faq-item.open .faq-question {
  color: var(--primary);
}

/* ==========================================================================
   PAGE BANNER (SUBPAGES)
   ========================================================================== */
.page-hero {
  background: radial-gradient(circle at 80% 20%, rgba(255, 87, 34, 0.22), transparent 50%),
              linear-gradient(180deg, #0b0f19 0%, #162032 100%);
  color: #ffffff;
  padding: 3.2rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: #94a3b8;
  margin-bottom: 0.75rem;
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #070a12;
  color: #cbd5e1;
  padding: 4rem 0 2rem;
  border-top: 3px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.25rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
}

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

.footer-links a {
  color: #94a3b8;
  font-size: 0.92rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: #64748b;
}

/* ==========================================================================
   FLOATING ZALO & CALL WIDGETS + MOBILE STICKY BAR
   ========================================================================== */
.floating-contact-stack {
  position: fixed;
  right: 20px;
  bottom: 90px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

@media (min-width: 992px) {
  .floating-contact-stack {
    bottom: 28px;
  }
}

.float-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-full);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  transition: var(--transition);
}

.float-btn-zalo {
  background: linear-gradient(135deg, #0068ff 0%, #0091ff 100%);
  animation: bounceSubtle 2.6s infinite;
}

.float-btn-call {
  background: linear-gradient(135deg, #ff5722 0%, #ef4444 100%);
}

.float-btn:hover {
  transform: scale(1.06);
}

.float-btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

@keyframes bounceSubtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: #070a12;
  border-top: 2px solid var(--primary);
  display: grid;
  grid-template-columns: 1.85fr 1fr;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.55);
}

.mobile-call-giant {
  background: linear-gradient(135deg, #ff3d00 0%, #ff6d00 100%);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 0.98rem;
  box-shadow: 0 4px 16px rgba(255, 61, 0, 0.55);
  animation: pulseCallBtn 1.6s infinite;
}

.mobile-call-giant small {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: #ffe082;
  line-height: 1.1;
}

@keyframes pulseCallBtn {
  0% { box-shadow: 0 0 0 0 rgba(255, 87, 34, 0.75); }
  70% { box-shadow: 0 0 0 10px rgba(255, 87, 34, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 87, 34, 0); }
}

/* ==========================================================================
   ADS CONVERSION OPTIMIZATION (CRO) COMPONENTS
   ========================================================================== */
.ads-urgency-banner {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.18) 0%, rgba(245, 158, 11, 0.18) 100%);
  border: 1px solid rgba(16, 185, 129, 0.45);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: #f8fafc;
}

.ads-price-anchors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.4rem;
}

.price-anchor-pill {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 3px solid var(--accent-amber);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
}

.price-anchor-pill span {
  display: block;
  font-size: 0.76rem;
  color: #cbd5e1;
}

.price-anchor-pill strong {
  font-size: 1rem;
  color: var(--accent-amber);
  font-weight: 800;
}

.hero-call-super {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #ff3d00 0%, #ff6d00 100%);
  color: #ffffff;
  padding: 1rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(255, 61, 0, 0.45);
  border: 2px solid rgba(255, 255, 255, 0.25);
  animation: pulseCallBtn 1.8s infinite;
  width: 100%;
  max-width: 440px;
}

.hero-call-super:hover {
  transform: translateY(-3px);
  background: linear-gradient(135deg, #dd2c00 0%, #ff3d00 100%);
}

.hero-call-super-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-align: left;
}

.hero-call-super-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  color: #ff3d00;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
  animation: shakePhone 2.2s infinite;
}

@keyframes shakePhone {
  0%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(-14deg); }
  20%, 40% { transform: rotate(14deg); }
  50% { transform: rotate(0deg); }
}

.guarantee-strip-box {
  background: linear-gradient(90deg, #fffbeb 0%, #fff7ed 100%);
  border: 2px dashed #f59e0b;
  border-radius: var(--radius-md);
  padding: 1.15rem 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Live Conversion Toast */
.live-conversion-toast {
  position: fixed;
  left: 16px;
  bottom: 84px;
  z-index: 998;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  color: #ffffff;
  border: 1px solid rgba(16, 185, 129, 0.45);
  border-left: 4px solid #10b981;
  border-radius: var(--radius-md);
  padding: 0.65rem 0.95rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  max-width: 310px;
  font-size: 0.78rem;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

@media (min-width: 992px) {
  .live-conversion-toast {
    bottom: 24px;
  }
}

@media (max-width: 640px) {
  .ads-price-anchors {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
  }
  .price-anchor-pill {
    padding: 0.45rem 0.5rem;
  }
  .price-anchor-pill strong {
    font-size: 0.88rem;
  }
  .hero-section {
    padding: 1.65rem 0 2.75rem;
  }
  .live-conversion-toast {
    display: none;
  }
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 991px) {
  .hero-grid,
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid,
  .stats-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #0b0f19;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-bottom: 2px solid var(--primary);
    display: none;
  }

  .nav-menu.open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .services-grid,
  .reviews-grid,
  .steps-grid,
  .stats-grid,
  .footer-grid,
  .sos-form-grid,
  .calc-controls,
  .hero-trust-row {
    grid-template-columns: 1fr;
  }

  .top-bar-right {
    display: none;
  }

  .float-btn span.float-label {
    display: none;
  }

  .float-btn {
    padding: 0.5rem;
  }
}