:root {
  --green-dark: #15803d;
  --green-main: #16a34a;
  --green-mid: #22c55e;
  --green-light: #4ade80;
  --green-pale: #dcfce7;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --gradient-main: linear-gradient(135deg, #16a34a 0%, #22c55e 50%, #4ade80 100%);
  --gradient-dark: linear-gradient(135deg, #14532d 0%, #166534 50%, #15803d 100%);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(22,163,74,0.12), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(22,163,74,0.18), 0 4px 16px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(22,163,74,0.22), 0 8px 24px rgba(0,0,0,0.1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-body: 'Be Vietnam Pro', sans-serif;
  --font-display: 'Lexend', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(22,163,74,0.1);
  transition: box-shadow 0.3s;
}
header.scrolled { box-shadow: 0 2px 20px rgba(22,163,74,0.12); }
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 40px; height: 40px;
  background: var(--gradient-main);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 20px;
}
.logo-text { line-height: 1.2; }
.logo-text .brand { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--green-dark); }
.logo-text .sub { font-size: 11px; color: var(--gray-500); font-weight: 400; }
nav { display: flex; align-items: center; gap: 6px; }
nav a {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: background 0.2s, color 0.2s;
}
nav a:hover { background: var(--green-pale); color: var(--green-main); }
.header-cta {
  background: var(--gradient-main) !important;
  color: white !important;
  padding: 8px 18px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 10px rgba(22,163,74,0.3);
  transition: transform 0.2s, box-shadow 0.2s !important;
}
.header-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(22,163,74,0.4) !important; }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--green-main);
  border-radius: 2px;
  transition: all 0.3s;
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: white;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  z-index: 998;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  color: var(--gray-700);
  transition: background 0.2s;
}
.mobile-nav a:hover { background: var(--green-pale); color: var(--green-main); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 100px 20px 70px;
  background: linear-gradient(160deg, #f0fdf4 0%, #dcfce7 40%, #bbf7d0 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,222,128,0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -100px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(22,163,74,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(22,163,74,0.1);
  border: 1px solid rgba(22,163,74,0.2);
  color: var(--green-dark);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero-badge::before { content: '●'; color: var(--green-mid); font-size: 8px; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1}50%{opacity:0.4} }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--gray-900);
  margin-bottom: 18px;
}
.hero-title span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-main);
  color: white;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 20px rgba(22,163,74,0.35);
  transition: transform 0.25s, box-shadow 0.25s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(22,163,74,0.45); }
.btn-zalo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0068FF;
  color: white;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 20px rgba(0,104,255,0.3);
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-zalo:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,104,255,0.4); }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat .num { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--green-dark); line-height: 1; }
.stat .lbl { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

/* Hero image */
.hero-image-wrap { position: relative; border-radius: 16px; background: linear-gradient(135deg, #dcfce7, #bbf7d0); }
.hero-image-wrap img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 24px 72px rgba(22,163,74,0.25), 0 8px 24px rgba(0,0,0,0.12);
  object-fit: cover;
  aspect-ratio: 16/10;
  display: block;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}
.hero-image-wrap:hover img {
  transform: scale(1.025);
  box-shadow: 0 32px 88px rgba(22,163,74,0.3), 0 12px 32px rgba(0,0,0,0.14);
}
.hero-tag {
  position: absolute;
  bottom: 20px; left: -16px;
  background: white;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}
.hero-tag .icon { width: 36px; height: 36px; background: var(--green-pale); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }

/* CSS fallback cho ảnh lỗi dùng chung */
.img-error::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: var(--green-dark);
  font-weight: 600;
  font-size: 16px;
  opacity: 1;
  border-radius: inherit;
  z-index: 0;
}
.img-error img { opacity: 0 !important; }

/* ===== SECTION WRAPPER ===== */
section { padding: 80px 20px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--green-main);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-desc {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 48px;
}

/* ===== VINFAST SECTION ===== */
.vinfast-section { background: linear-gradient(160deg, #f0fdf4 0%, #f9fafb 100%); }
.vinfast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.vinfast-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(22,163,74,0.1), 0 1px 4px rgba(0,0,0,0.06);
  border: 1.5px solid rgba(22,163,74,0.12);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.vinfast-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 16px 48px rgba(22,163,74,0.2), 0 4px 16px rgba(0,0,0,0.08);
  border-color: rgba(22,163,74,0.3);
}
.vinfast-img-wrap {
  overflow: hidden;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  position: relative;
  border-radius: 16px 16px 0 0;
}
.vinfast-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.vinfast-card:hover .vinfast-img-wrap img { transform: scale(1.06); }
.vinfast-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--gradient-main);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(22,163,74,0.35);
  z-index: 1;
}
.vinfast-info { padding: 22px 24px 24px; }
.vinfast-info h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.vinfast-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vf-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: var(--gray-700);
  font-weight: 500;
}
.vf-feature::before {
  content: '✓';
  width: 20px; height: 20px;
  background: var(--green-pale);
  color: var(--green-main);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
}

/* ===== SERVICES ===== */
.services { background: var(--white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  cursor: default;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(22,163,74,0.25);
}
.service-icon {
  width: 56px; height: 56px;
  background: var(--gradient-main);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px rgba(22,163,74,0.28);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.service-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }
.service-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--green-main);
  background: var(--green-pale);
  padding: 4px 12px;
  border-radius: 50px;
}

/* ===== FLEET ===== */
.fleet { background: var(--gray-50); }
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.fleet-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.fleet-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.fleet-img-wrap {
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--gray-100);
  position: relative;
  border-radius: 16px 16px 0 0;
}
.fleet-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.fleet-card:hover .fleet-img-wrap img { transform: scale(1.07); }
.fleet-info { padding: 20px 22px; }
.fleet-info h3 { font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; }
.fleet-info p { font-size: 13.5px; color: var(--gray-500); line-height: 1.6; }
.fleet-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.chip {
  font-size: 12px;
  font-weight: 500;
  color: var(--green-dark);
  background: var(--green-pale);
  padding: 3px 10px;
  border-radius: 50px;
}

/* ===== PRICING ===== */
.pricing { background: white; }
.price-tabs { display: flex; gap: 8px; margin-bottom: 36px; flex-wrap: wrap; }
.price-tab {
  padding: 10px 22px;
  border-radius: 50px;
  border: 1.5px solid var(--gray-200);
  background: white;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.25s;
}
.price-tab.active {
  background: var(--gradient-main);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(22,163,74,0.28);
}
.price-tab:not(.active):hover { border-color: var(--green-main); color: var(--green-main); }
.price-panel { display: none; }
.price-panel.active { display: block; }
.price-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  font-size: 14px;
}
.price-table thead th {
  background: var(--gradient-main);
  color: white;
  padding: 14px 18px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
}
.price-table tbody tr:nth-child(even) { background: var(--gray-50); }
.price-table tbody tr { transition: background 0.2s; }
.price-table tbody tr:hover { background: var(--green-pale); }
.price-table td { padding: 13px 18px; border-bottom: 1px solid var(--gray-200); color: var(--gray-700); }
.price-table tbody tr:last-child td { border-bottom: none; }
.price-hl { font-weight: 700; color: var(--green-dark); font-size: 15px; }
.price-note {
  margin-top: 18px;
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border-left: 4px solid var(--green-main);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.5px;
  color: var(--gray-700);
  line-height: 1.65;
}

/* ===== AREA ===== */
.area { background: var(--gray-50); }
.area-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.area-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.area-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  background: white;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--gray-700);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: border-color 0.2s;
}
.area-list li:hover { border-color: rgba(22,163,74,0.3); }
.area-list li::before { content: '📍'; font-size: 16px; flex-shrink: 0; }
.map-embed { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.map-embed iframe { width: 100%; height: 100%; border: none; display: block; }

/* ===== WHY US ===== */
.why { background: white; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.why-card {
  text-align: center;
  padding: 32px 22px;
  border-radius: var(--radius-lg);
  background: white;
  border: 1.5px solid var(--gray-200);
  transition: transform 0.3s, box-shadow 0.3s;
}
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(22,163,74,0.2); }
.why-card .big { font-size: 38px; margin-bottom: 14px; display: block; }
.why-card h4 { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--gray-900); margin-bottom: 8px; }
.why-card p { font-size: 13.5px; color: var(--gray-500); line-height: 1.65; }

/* ===== CONTACT ===== */
.contact { background: linear-gradient(160deg, #f0fdf4, #dcfce7); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.contact-item .ci-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--gradient-main);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 3px 10px rgba(22,163,74,0.25);
}
.contact-item h4 { font-size: 13px; color: var(--gray-500); margin-bottom: 4px; }
.contact-item p { font-size: 15px; font-weight: 600; color: var(--gray-900); }
.contact-item a { color: var(--green-dark); text-decoration: none; }
.contact-item a:hover { text-decoration: underline; }
.contact-cta-box {
  background: var(--gradient-dark);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  color: white;
  text-align: center;
  box-shadow: var(--shadow-xl);
}
.contact-cta-box h3 { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.contact-cta-box p { font-size: 14px; opacity: 0.85; margin-bottom: 28px; line-height: 1.6; }
.cta-phone { font-family: var(--font-display); font-size: 32px; font-weight: 700; letter-spacing: 1px; margin-bottom: 24px; display: block; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.2s;
}
.cta-btn:hover { transform: translateY(-2px); }
.cta-btn-white { background: white; color: var(--green-dark); }
.cta-btn-zalo { background: #0068FF; color: white; }

/* ===== POLICIES ===== */
.policies { background: var(--gray-50); }
.policy-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.policy-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.policy-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.policy-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.policy-card ul li {
  font-size: 13.5px;
  color: var(--gray-500);
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.policy-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--green-main); font-weight: 700; }

/* ===== FOOTER ===== */
footer { background: var(--gray-900); color: rgba(255,255,255,0.75); padding: 48px 20px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand .logo-text .brand { color: white; }
.footer-brand .logo-text .sub { color: rgba(255,255,255,0.5); }
.footer-brand p { font-size: 13.5px; line-height: 1.75; margin-top: 14px; max-width: 320px; }
.footer-col h4 { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: white; margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 13.5px; color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--green-light); }
.footer-col ul li span { font-size: 13.5px; color: rgba(255,255,255,0.6); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin-bottom: 20px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
.footer-bottom a:hover { color: var(--green-light); }

/* ===== FLOATING BUTTONS ===== */
.fab-container {
  position: fixed;
  bottom: 28px; right: 22px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.fab {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.22);
  transition: transform 0.25s;
  position: relative;
}
.fab:hover { transform: scale(1.1); }
.fab-call { background: var(--gradient-main); animation: pulse-fab 2.5s infinite; }
.fab-zalo { background: #0068FF; }
.fab svg { width: 24px; height: 24px; fill: white; }
.fab-call svg { width: 22px; height: 22px; }
@keyframes pulse-fab {
  0%   { box-shadow: 0 4px 16px rgba(22,163,74,0.4); }
  50%  { box-shadow: 0 4px 28px rgba(22,163,74,0.7), 0 0 0 8px rgba(22,163,74,0.12); }
  100% { box-shadow: 0 4px 16px rgba(22,163,74,0.4); }
}
.fab-label {
  position: absolute;
  right: calc(100% + 10px);
  background: rgba(0,0,0,0.7);
  color: white;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 50px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.fab:hover .fab-label { opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  nav { display: none; }
  .menu-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-image-wrap { order: -1; }
  .hero-tag { left: 10px; }
  .area-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .fleet-grid { grid-template-columns: 1fr 1fr; }
  .vinfast-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 580px) {
  section { padding: 60px 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .fleet-grid { grid-template-columns: 1fr; }
  .vinfast-grid { grid-template-columns: 1fr; }
  .hero { padding: 90px 16px 52px; }
  .hero-stats { gap: 20px; }
  .price-table { font-size: 13px; }
  .price-table td, .price-table thead th { padding: 11px 12px; }
  .contact-cta-box { padding: 28px 20px; }
  .cta-phone { font-size: 26px; }
}