/* ============================================================
   CSS Variables
   ============================================================ */
:root {
  /* Màu chính — Xanh Dương Cao Cấp */
  --primary: #1d6be8;
  --primary-dark: #1554c0;
  --primary-light: #4d94f0;
  --accent: #7cc8fb;

  /* Nền — Đen xanh dương */
  --bg-dark: #060a12;
  --bg-card: #0c1424;
  --bg-card-hover: #141e30;
  --bg-section-alt: #090e1c;

  /* Glassmorphism — viền blue nhẹ */
  --glass: rgba(29, 107, 232, 0.06);
  --glass-border: rgba(29, 107, 232, 0.22);
  --glass-hover: rgba(29, 107, 232, 0.10);

  /* Chữ — trắng xanh dễ đọc */
  --text-primary: #eef2fc;
  --text-secondary: #8a9cc4;
  --text-muted: #4e5e80;
  --text-accent: #7cc8fb;

  /* Layout */
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --transition: all 0.3s ease;
  --shadow-card: 0 8px 32px rgba(29, 107, 232, 0.15);
  --shadow-hover: 0 20px 52px rgba(29, 107, 232, 0.28);
}

/* ============================================================
   Base Reset & Global
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: 60px;
  /* chừa chỗ cho mobile bottom bar */
}

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

h1,
h2,
h3,
h4 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

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

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

/* ============================================================
   Section Layout Helpers
   ============================================================ */
.section-pad {
  padding: 80px 0;
}

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

.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.section-badge {
  display: inline-block;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 5px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 0;
  max-width: 560px;
}

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Shared CTA button */
.btn-primary-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary-cta:hover,
.btn-primary-cta:focus-visible {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
  color: #fff;
}

/* ============================================================
   Animations
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(28px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes pulse {

    0%,
    100% {
      box-shadow: 0 0 0 0 rgba(29, 107, 232, 0.55);
    }

    50% {
      box-shadow: 0 0 0 14px rgba(29, 107, 232, 0);
    }
  }

  @keyframes blink {

    0%,
    100% {
      opacity: 1;
    }

    50% {
      opacity: 0.3;
    }
  }

  @keyframes floatBob {

    0%,
    100% {
      transform: translateY(0);
    }

    50% {
      transform: translateY(-6px);
    }
  }

  .animate-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }

  .animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   Navbar
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: transparent;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, padding 0.3s ease;
}

#navbar.scrolled {
  background: rgba(10, 15, 30, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary) !important;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  padding: 0;
}

.navbar-brand i {
  font-size: 1.5rem;
  color: var(--accent);
}

.navbar-toggler {
  border-color: var(--glass-border);
  padding: 6px 10px;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(241,245,249,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
  color: #ffffff !important;
  font-weight: 500;
  padding: 0.5rem 0.75rem !important;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary) !important;
}

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff !important;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-nav-cta:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-card);
  color: #fff !important;
}

@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-card);
    padding: 1rem;
    margin-top: 0.5rem;
    border: 1px solid var(--glass-border);
  }

  .nav-link {
    padding: 0.65rem 0.5rem !important;
  }

  .btn-nav-cta {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   Hero Section
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('../img/z7851418692821_651c302e0f704ac38dfcfdaa76658acd.jpg') center center / cover no-repeat,
    linear-gradient(135deg, #060a12 0%, #0a1428 100%);
  transform: scale(1.05);
  transition: transform 8s ease;
}

#hero:hover .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
      rgba(6, 10, 18, 0.92) 0%,
      rgba(6, 10, 18, 0.68) 25%,
      rgba(6, 10, 18, 0.28) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 120px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 1.8s ease-in-out infinite;
  flex-shrink: 0;
}

#hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.highlight-word {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.italic-word {
  font-style: italic;
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2rem;
}

.btn-primary-cta {
  animation: pulse 2.5s ease-in-out infinite;
}

.btn-primary-cta:hover {
  animation: none;
}

.btn-ghost-zalo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 24px;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.btn-ghost-zalo:hover {
  background: var(--glass-hover);
  border-color: var(--primary);
  color: var(--text-primary);
}

.hero-perks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.perk {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.perk .bi-check-circle-fill {
  color: var(--accent);
  font-size: 1rem;
}

.hero-price-chip {
  position: absolute;
  bottom: 2.5rem;
  left: var(--bs-gutter-x, 12px);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-card);
  padding: 12px 20px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.hero-price-chip small {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.hero-price-chip strong {
  color: var(--accent);
}

/* Hero Price Card */
.hero-price-card {
  background: rgba(8, 12, 26, 0.88);
  border: 1px solid rgba(29, 107, 232, 0.45);
  border-top: 3px solid var(--primary);
  border-radius: var(--radius-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 8px 40px rgba(29, 107, 232, 0.25), 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-pc-title {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.15rem;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.01em;
}

.hero-pc-title .bi-tag-fill {
  color: var(--accent);
}

.hero-pc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(29, 107, 232, 0.18);
}

.hero-pc-row--last {
  border-bottom: none;
}

.hero-pc-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  min-width: 0;
  flex-shrink: 1;
}

.hero-pc-label .bi {
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.9rem;
}

.hero-pc-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary) 0%, #5ba8ff 100%);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 3px 12px rgba(29, 107, 232, 0.45);
  letter-spacing: 0.01em;
}

.hero-pc-badge--best {
  background: linear-gradient(135deg, #d97706 0%, #fbbf24 100%);
  box-shadow: 0 3px 12px rgba(245, 158, 11, 0.45);
}

.hero-pc-muted {
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  font-style: italic;
}

.hero-pc-cta {
  width: 100%;
  justify-content: center;
  margin-top: 1.25rem;
}

@media (max-width: 767px) {
  .hero-inner {
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .btn-primary-cta,
  .btn-ghost-zalo {
    width: 100%;
    justify-content: center;
  }

  .hero-price-card {
    padding: 1.25rem 1rem;
  }

  .hero-pc-label {
    font-size: 0.8rem;
  }

  .hero-pc-badge {
    font-size: 0.75rem;
    padding: 4px 10px;
  }
}

/* ============================================================
   Stats Strip
   ============================================================ */
.stats-strip {
  background: linear-gradient(135deg, #0a1228 0%, #080e1e 100%);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  padding: 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
  border-right: 1px solid var(--glass-border);
  text-align: center;
  position: relative;
}

.stat-item--last {
  border-right: none;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.4s;
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  display: inline;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-suffix {
  display: inline;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-left: 2px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ============================================================
   Services Section
   ============================================================ */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
  height: 100%;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
  background: var(--bg-card-hover);
}

.service-card--featured {
  border-color: var(--primary);
  background: linear-gradient(160deg, #0c1424 0%, #0a1230 100%);
}

.service-card--featured::before {
  transform: scaleX(1);
}

.service-badge-top {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(29, 107, 232, 0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--accent);
  transition: background 0.3s, transform 0.3s;
}

.service-card:hover .service-icon {
  background: rgba(29, 107, 232, 0.18);
  transform: scale(1.08);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.service-price {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding: 8px 0;
  border-top: 1px solid var(--glass-border);
}

.service-price strong {
  color: var(--text-primary);
  font-weight: 700;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
}

.service-link:hover {
  color: var(--accent);
  gap: 10px;
}

/* ============================================================
   Pricing Section
   ============================================================ */
.price-tabs {
  flex-wrap: wrap;
}

.price-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 24px;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.price-tab-btn:hover,
.price-tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(29, 107, 232, 0.28);
}

.price-tab-content {
  display: none;
}

.price-tab-content.active {
  display: block;
}

/* Table-based pricing */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}

.price-table thead tr {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.price-table thead th {
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 14px 20px;
  white-space: nowrap;
  border: none;
}

.price-table tbody tr {
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.2s;
}

.price-table tbody tr:last-child {
  border-bottom: none;
}

.price-table tbody tr:hover {
  background: var(--glass-hover);
}

.price-table td {
  padding: 14px 20px;
  color: var(--text-primary);
  vertical-align: middle;
}

.price-table td .bi-geo-alt-fill {
  color: var(--primary);
  margin-right: 6px;
}

.price-val {
  font-weight: 800;
  color: var(--accent);
  white-space: nowrap;
  font-size: 1rem;
}

.price-val small {
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.7;
  margin-left: 2px;
}

.price-val--accent {
  color: #f59e0b;
  font-size: 1.1rem;
}

.row-featured {
  background: rgba(29, 107, 232, 0.06);
}

.row-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  vertical-align: middle;
  margin-left: 8px;
  white-space: nowrap;
}

.vehicle-tag {
  display: inline-block;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.vehicle-tag--7 {
  background: rgba(29, 107, 232, 0.12);
  border-color: var(--primary);
  color: var(--accent);
}

.vehicle-tag--vip {
  background: rgba(245, 158, 11, 0.15);
  border-color: #f59e0b;
  color: #fbbf24;
}

.vehicle-tag--lg {
  background: rgba(139, 92, 246, 0.15);
  border-color: #8b5cf6;
  color: #a78bfa;
}

.price-cta-sm {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
}

.price-cta-sm:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 20px rgba(29, 107, 232, 0.32);
  color: #fff;
}

/* Shipping card */
.shipping-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  text-align: center;
}

.shipping-icon {
  font-size: 2.8rem;
  color: var(--primary);
  margin-bottom: 1rem;
  line-height: 1;
}

.shipping-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.shipping-price {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.shipping-price span {
  font-size: 0.85em;
}

.shipping-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.shipping-routes {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.shipping-routes .bi-geo-alt-fill {
  color: var(--primary);
  margin-right: 3px;
}

.route-arrow {
  color: var(--text-muted);
}

.shipping-features {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem;
  text-align: left;
  display: inline-block;
}

.shipping-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.shipping-features .bi-check-circle-fill {
  color: var(--primary);
  flex-shrink: 0;
}

.price-note {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.price-note .bi {
  color: var(--primary);
  margin-right: 4px;
}

/* ============================================================
   Feature Cards (Why Us)
   ============================================================ */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 1.75rem 1.5rem;
  text-align: center;
  height: 100%;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
  background: var(--bg-card-hover);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  line-height: 1;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================================
   Gallery Section
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 767px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 30, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.gallery-overlay i {
  font-size: 2rem;
  color: #fff;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.3s, transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item:hover .gallery-overlay {
  background: rgba(10, 15, 30, 0.55);
}

.gallery-item:hover .gallery-overlay i {
  opacity: 1;
  transform: scale(1);
}

/* Gallery Modal */
.gallery-modal-content {
  background: rgba(10, 15, 30, 0.97) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-card) !important;
  position: relative;
  padding: 0.5rem;
}

.gallery-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  padding: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-modal-img {
  width: 100%;
  height: auto;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 12px;
}

/* ============================================================
   Testimonials
   ============================================================ */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
}

.review-card--featured {
  border-color: var(--primary);
  background: linear-gradient(160deg, #0c1424 0%, #0a1230 100%);
  box-shadow: var(--shadow-card);
}

.review-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.review-text {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

.review-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

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

.review-location i {
  color: var(--primary);
  margin-right: 2px;
}

/* ============================================================
   FAQ / Accordion
   ============================================================ */
.accordion-custom .accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card) !important;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-custom .accordion-button {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 1.25rem 1.5rem;
  box-shadow: none !important;
  border-radius: var(--radius-card) !important;
}

.accordion-custom .accordion-button:not(.collapsed) {
  background: var(--bg-card-hover);
  color: var(--primary);
}

.accordion-custom .accordion-button::after {
  filter: brightness(0) saturate(100%) invert(40%) sepia(90%) saturate(500%) hue-rotate(200deg) brightness(1.05);
}

.accordion-custom .accordion-body {
  background: var(--bg-card-hover);
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--glass-border);
}

/* ============================================================
   Contact Form
   ============================================================ */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(29, 107, 232, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-icon--zalo {
  background: rgba(0, 104, 255, 0.12);
  color: #0068FF;
}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact-info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

a.contact-info-value:hover {
  color: var(--primary);
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 2rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.required {
  color: var(--accent);
}

.custom-input {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 10px !important;
  color: var(--text-primary) !important;
  font-size: 16px !important;
  /* avoid iOS zoom */
  padding: 12px 14px !important;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.custom-input::placeholder {
  color: var(--text-muted);
}

.custom-input option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.custom-input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(29, 107, 232, 0.20) !important;
  outline: none;
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 28px;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-submit:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.btn-submit:disabled {
  opacity: 0.7;
  transform: none;
  cursor: not-allowed;
}

.form-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-top: 1rem;
  font-weight: 500;
}

.form-alert--success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.form-alert--error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.form-alert a {
  color: var(--accent);
  font-weight: 700;
}

.invalid-feedback {
  display: none;
  font-size: 0.8rem;
  color: #f87171;
  margin-top: 4px;
}

.was-validated .custom-input:invalid~.invalid-feedback,
.was-validated .custom-input:invalid+.invalid-feedback {
  display: block;
}

.was-validated .custom-input:invalid {
  border-color: #f87171 !important;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.18) !important;
}

.was-validated .custom-input:valid {
  border-color: rgba(74, 222, 128, 0.5) !important;
  box-shadow: none !important;
}

/* ============================================================
   Footer
   ============================================================ */
#footer {
  background: #05080e;
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.footer-brand i {
  font-size: 1.5rem;
  color: var(--accent);
}

.footer-brand:hover {
  color: var(--accent);
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-contact-item i {
  color: var(--primary);
  font-size: 0.9rem;
}

a.footer-contact-item:hover {
  color: var(--primary);
}

.footer-links-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.footer-map {
  margin-top: 0.25rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 1.5rem 0;
  margin-top: 3rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--text-muted);
}

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

/* ============================================================
   Sticky Mobile Bottom Bar
   ============================================================ */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  height: 60px;
}

@media (max-width: 767px) {
  .mobile-bottom-bar {
    display: flex;
  }
}

.mobile-bar-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  transition: filter 0.2s;
}

.mobile-bar-btn:hover {
  filter: brightness(1.1);
  color: #fff;
}

.mobile-bar-call {
  background: #16a34a;
}

.mobile-bar-zalo {
  background: #0068FF;
}

/* ============================================================
   Floating FAB Buttons
   ============================================================ */
.fab-container {
  position: fixed;
  bottom: 30px;
  left: 20px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.fab-btn {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  /* animation: floatBob 3s ease-in-out infinite; */
  animation: rotateRight infinite ease 0.9s;
}

.fab-btn::before {
  position: absolute;
  content: "";
  z-index: -1;
  border-radius: 50%;
  background: rgba(0, 217, 255, 0.5);
  animation: zoomIn infinite 0.9s;
}

.fab-btn::after {
  position: absolute;
  content: "";
  z-index: -1;
  border-radius: 50%;
  background: rgba(0, 217, 255, 0.2);
  animation: zoomIn2 infinite 0.9s;
}

.fab-btn:nth-child(2) {
  animation-delay: 0.8s;
}

.fab-zalo {
  background: linear-gradient(135deg, #0068FF, #0052cc);
  box-shadow: 0 4px 20px rgba(0, 104, 255, 0.4);
}

.fab-phone {
  background: linear-gradient(135deg, #0068FF, #0052cc);
  box-shadow: 0 4px 20px rgba(22, 163, 74, 0.4);
}

.fab-btn:hover {
  transform: scale(1.12) !important;
  animation-play-state: paused;
}

.fab-zalo:hover {
  box-shadow: 0 6px 28px rgba(0, 104, 255, 0.6);
  color: #fff;
}

.fab-phone:hover {
  box-shadow: 0 6px 28px rgba(22, 163, 74, 0.6);
  color: #fff;
}

.fab-tooltip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10, 15, 30, 0.92);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  backdrop-filter: blur(8px);
}

.fab-btn:hover .fab-tooltip {
  opacity: 1;
}

@media (max-width: 767px) {
  .fab-btn {
    width: 46px;
    height: 46px;
    font-size: 1.1rem;
  }
}

@keyframes rotateRight {
  0% {
    transform: rotate(0)
  }

  50% {
    transform: rotate(45deg)
  }

  100% {
    transform: rotate(0)
  }
}

@keyframes zoomIn {
  0% {
    opacity: 0;
    width: 60px;
    height: 60px;
  }

  50% {
    opacity: 1;
    width: 65px;
    height: 65px;
  }

  100% {
    opacity: 0;
    width: 60px;
    height: 60px;
  }
}

@keyframes zoomIn2 {
  0% {
    opacity: 0;
    width: 60px;
    height: 60px;
  }

  50% {
    opacity: 1;
    width: 80px;
    height: 80px;
  }

  100% {
    opacity: 0;
    width: 80px;
    height: 80px;
  }
}

/* ============================================================
   Back to Top
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 997;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--primary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}