/* ===========================================
   VẬN TẢI HÒA THUẬN - Stylesheet
   Modern, fast, responsive, accessibility-ready
   =========================================== */

/* ----- Variables ----- */
:root {
  --c-primary: #0b3d91;      /* Xanh hải quân - tin cậy */
  --c-primary-dark: #06285e;
  --c-accent: #00b8d9;       /* Xanh lạnh - gợi cold-chain */
  --c-accent-dark: #008fb3;
  --c-success: #10b981;
  --c-text: #1a202c;
  --c-text-muted: #4a5568;
  --c-text-light: #718096;
  --c-bg: #ffffff;
  --c-bg-soft: #f7fafc;
  --c-bg-muted: #edf2f7;
  --c-border: #e2e8f0;
  --c-white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 40px -8px rgba(0,0,0,.15);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1200px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent); }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; margin: 0 0 .5em; color: var(--c-text); }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -.015em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

/* ----- Layout ----- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section { padding: 5rem 0; }
.section--soft { background: var(--c-bg-soft); }
.section--dark {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: var(--c-white);
}
.section--dark h2, .section--dark h3 { color: var(--c-white); }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section-header .eyebrow {
  display: inline-block;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .75rem;
}
.section-header p { color: var(--c-text-muted); font-size: 1.05rem; }
.section--dark .section-header .eyebrow { color: #7dd3fc; }
.section--dark .section-header p { color: #cbd5e0; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--c-accent);
  color: var(--c-white);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  background: var(--c-accent-dark);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn--ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,.4);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--c-white);
  color: var(--c-white);
}
.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn--outline:hover {
  background: var(--c-primary);
  color: var(--c-white);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: .85rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--c-primary);
  letter-spacing: .02em;
  text-transform: uppercase;
}
.logo small { text-transform: none; }
.logo-mark {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid;
  place-items: center;
  color: var(--c-white);
  font-size: 1.4rem;
  flex-shrink: 0;
}
.logo small { display: block; font-size: .72rem; font-weight: 500; color: var(--c-text-muted); letter-spacing: .04em; margin-top: 2px; }
.nav-menu { display: flex; gap: 2rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-menu a {
  color: var(--c-text);
  font-weight: 500;
  font-size: .95rem;
  padding: .5rem 0;
  position: relative;
}
.nav-menu a:hover { color: var(--c-primary); }
.nav-menu a.active { color: var(--c-primary); }
.nav-menu a.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--c-accent); border-radius: 2px;
}
.nav-cta { display: flex; gap: .75rem; align-items: center; }
.nav-phone { color: var(--c-primary); font-weight: 700; display: flex; align-items: center; gap: .35rem; }
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-text);
  margin: 5px auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----- Hero ----- */
.hero {
  position: relative;
  padding: 5rem 0 6rem;
  background: linear-gradient(135deg, #06285e 0%, #0b3d91 60%, #1e63c8 100%);
  color: var(--c-white);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0,184,217,.18) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(125,211,252,.12) 0, transparent 35%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'><path d='M0 0h60v60H0z' fill='none'/><path d='M0 30h60M30 0v60' stroke='rgba(255,255,255,0.04)' stroke-width='1'/></svg>");
  opacity: .6;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .35rem .9rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 100px;
  font-size: .85rem; font-weight: 500;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}
.hero h1 { color: var(--c-white); margin-bottom: 1rem; }
.hero h1 span { color: #7dd3fc; }
.hero-lead { font-size: 1.15rem; opacity: .92; margin-bottom: 2rem; max-width: 540px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; align-items: start; }
.hero-trust > div { display: flex; flex-direction: column; gap: .35rem; }
.hero-trust strong {
  display: inline-flex;
  align-items: baseline;
  font-size: 2.1rem;
  font-weight: 800;
  color: #7dd3fc;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.hero-trust strong > span,
.hero-trust strong [data-count] {
  display: inline-block;
  font-size: 2.1rem !important;
  font-weight: 800;
  color: #7dd3fc;
  line-height: 1;
}
.hero-trust strong::after { content: ''; }
.hero-trust > div > span { font-size: .82rem; opacity: .85; line-height: 1.3; color: #cbd5e0; }
@media (max-width: 720px) {
  .hero-trust { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .hero-trust strong, .hero-trust strong > span { font-size: 1.75rem !important; }
}
@media (max-width: 720px) {
  .hero-trust { grid-template-columns: 1fr 1fr; gap: 1rem; }
}
.hero-card {
  background: var(--c-white);
  color: var(--c-text);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}
.hero-card h3 { color: var(--c-primary); margin-bottom: 1rem; }
.hero-card .form-row { margin-bottom: 1rem; }
.hero-card label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--c-text-muted); }
.hero-card input, .hero-card select, .hero-card textarea {
  width: 100%;
  padding: .75rem .9rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.hero-card input:focus, .hero-card select:focus, .hero-card textarea:focus {
  outline: 0;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(0,184,217,.15);
}
.hero-card .btn { width: 100%; }

/* ----- Features (USP grid) ----- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature {
  padding: 2rem;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,184,217,.12), rgba(11,61,145,.08));
  display: grid; place-items: center;
  color: var(--c-primary);
  margin-bottom: 1.25rem;
  font-size: 1.6rem;
}
.feature h3 { margin-bottom: .5rem; color: var(--c-primary); }
.feature p { color: var(--c-text-muted); font-size: .95rem; margin: 0; }

/* ----- About / Two-column ----- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.two-col__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #cbd5e0, #a0aec0);
  position: relative;
  box-shadow: var(--shadow-xl);
}
.two-col__img svg { width: 100%; height: 100%; }
.about-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.about-list li {
  position: relative;
  padding: .65rem 0 .65rem 2rem;
  font-size: 1rem;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
}
.about-list li:last-child { border-bottom: 0; }
.about-list li::before {
  content: '✓';
  position: absolute; left: 0; top: .65rem;
  width: 22px; height: 22px;
  background: var(--c-success);
  color: var(--c-white);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: .75rem; font-weight: 700;
}

/* ----- Services cards ----- */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.service {
  background: var(--c-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  transition: all var(--transition);
}
.service:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.service-img {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  position: relative;
  overflow: hidden;
}
.service-img svg { width: 100%; height: 100%; }
.service-tag {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--c-white);
  color: var(--c-primary);
  padding: .25rem .75rem;
  border-radius: 100px;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
}
.service-body { padding: 1.5rem; }
.service-body h3 { color: var(--c-primary); margin-bottom: .5rem; }
.service-body p { color: var(--c-text-muted); font-size: .95rem; }
.service-body .link {
  display: inline-flex; align-items: center; gap: .35rem;
  color: var(--c-accent); font-weight: 600; font-size: .9rem;
}
.service-body .link:hover { gap: .65rem; }

/* ----- Process steps ----- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 2rem 1.5rem 1.5rem;
  background: var(--c-white);
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  transition: all var(--transition);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -16px; left: 1.25rem;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: var(--c-white);
  font-weight: 800;
  font-size: 1rem;
  padding: .35rem .85rem;
  border-radius: 100px;
  letter-spacing: .02em;
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.step h3 { font-size: 1.05rem; color: var(--c-primary); margin: .5rem 0 .35rem; }
.step p { font-size: .9rem; color: var(--c-text-muted); margin: 0; }

/* ----- Fleet (specs grid) ----- */
.fleet {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.spec {
  padding: 1.5rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.spec strong { display: block; font-size: 1.05rem; color: #7dd3fc; margin-bottom: .25rem; }
.spec p { color: #cbd5e0; font-size: .92rem; margin: 0; }

/* ----- Stats counter ----- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat .number { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; color: #7dd3fc; line-height: 1; letter-spacing: -.02em; }
.stat .label { display: block; margin-top: .5rem; color: #cbd5e0; font-size: .95rem; }

/* ----- Customer logos ----- */
.logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  align-items: center;
}
.logo-card {
  aspect-ratio: 3/2;
  display: grid; place-items: center;
  padding: 1.25rem;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  filter: grayscale(.4);
  opacity: .85;
}
.logo-card:hover { filter: none; opacity: 1; transform: translateY(-3px); box-shadow: var(--shadow-md); }
.logo-card span { font-weight: 700; color: var(--c-text-muted); font-size: 1rem; text-align: center; }

/* ----- FAQ accordion ----- */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-bottom: .75rem;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item[open] { box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.faq-item summary {
  padding: 1.15rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--c-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--c-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .answer { padding: 0 1.5rem 1.25rem; color: var(--c-text-muted); }

/* ----- Contact ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}
.contact-info h3 { color: var(--c-primary); margin-top: 1.5rem; margin-bottom: .5rem; }
.contact-info h3:first-child { margin-top: 0; }
.contact-info p, .contact-info a { color: var(--c-text-muted); display: block; margin-bottom: .25rem; }
.contact-info a:hover { color: var(--c-accent); }
.contact-info .phone-link { color: var(--c-primary); font-weight: 700; font-size: 1.1rem; }
.contact-map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  min-height: 360px;
  box-shadow: var(--shadow-md);
}
.contact-map iframe { width: 100%; height: 100%; min-height: 360px; border: 0; display: block; }

/* ----- CTA banner ----- */
.cta-banner {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-primary) 100%);
  color: var(--c-white);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xl);
}
.cta-banner h2 { color: var(--c-white); }
.cta-banner p { opacity: .95; font-size: 1.1rem; max-width: 600px; margin: 0 auto 1.5rem; }

/* ----- Footer ----- */
.site-footer {
  background: #06192e;
  color: #cbd5e0;
  padding: 4rem 0 1.5rem;
  font-size: .95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.site-footer h4 { color: var(--c-white); font-size: 1rem; margin-bottom: 1rem; letter-spacing: .02em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: .5rem; word-break: break-word; overflow-wrap: anywhere; }
.site-footer a { color: #cbd5e0; word-break: break-word; overflow-wrap: anywhere; }
.site-footer a:hover { color: #7dd3fc; }
.contact-info a, .contact-info p { word-break: break-word; overflow-wrap: anywhere; }
.footer-logo { display: flex; gap: .65rem; align-items: center; margin-bottom: 1rem; color: var(--c-white); font-weight: 800; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .85rem;
  color: #94a3b8;
}

/* ----- Floating buttons ----- */
.float-buttons {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.float-btn {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--c-white);
  box-shadow: 0 8px 20px rgba(0,0,0,.18);
  transition: transform var(--transition);
  position: relative;
}
.float-btn:hover { transform: scale(1.08); color: var(--c-white); }
.float-btn--zalo {
  background: #0068ff;
  font-family: 'Arial Black', 'Arial Narrow', Arial, sans-serif;
  font-weight: 900;
  font-size: 14px;
  color: white;
  letter-spacing: -.3px;
}
.float-btn--zalo span { display: block; line-height: 1; }
.float-btn--call { background: #10b981; }
.float-btn--messenger { background: linear-gradient(135deg, #0084ff, #44bec7); }
.float-btn::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: .5;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: .5; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ----- Breadcrumbs ----- */
.breadcrumb {
  padding: 1rem 0;
  font-size: .9rem;
  color: var(--c-text-muted);
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-border);
}
.breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; gap: .5rem; flex-wrap: wrap; }
.breadcrumb li::after { content: '›'; margin-left: .5rem; opacity: .5; }
.breadcrumb li:last-child::after { content: ''; }
.breadcrumb a { color: var(--c-primary); }

/* ----- Page hero ----- */
.page-hero {
  background: linear-gradient(135deg, #0b3d91, #06285e);
  color: var(--c-white);
  padding: 4rem 0 3rem;
  text-align: center;
}
.page-hero h1 { color: var(--c-white); margin-bottom: .5rem; }
.page-hero p { opacity: .9; max-width: 700px; margin: 0 auto; font-size: 1.1rem; }

/* ----- Article body (for SEO content pages) ----- */
.article {
  max-width: 820px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.article h2 { margin-top: 2.5rem; color: var(--c-primary); }
.article h3 { margin-top: 1.75rem; color: var(--c-primary-dark); }
.article ul { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.article ul li { margin-bottom: .5rem; }
.article blockquote {
  border-left: 4px solid var(--c-accent);
  background: var(--c-bg-soft);
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--c-text-muted);
}

/* ----- Quote form (full page) ----- */
.quote-form {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-border);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-grid .full { grid-column: 1 / -1; }
.form-row { display: flex; flex-direction: column; }
.form-row label { font-size: .9rem; font-weight: 600; margin-bottom: .35rem; color: var(--c-text); }
.form-row label .req { color: #ef4444; }
.form-row input, .form-row select, .form-row textarea {
  padding: .8rem .9rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--c-white);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: 0;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(0,184,217,.15);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-help { font-size: .85rem; color: var(--c-text-muted); margin-top: .35rem; }

/* ----- Reveal on scroll ----- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ----- Responsive ----- */
@media (max-width: 980px) {
  .hero-inner, .two-col, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 3.5rem 0; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--c-white);
    border-bottom: 1px solid var(--c-border);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition);
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; padding: .85rem 0; border-bottom: 1px solid var(--c-border); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .float-btn { width: 50px; height: 50px; }
  .hero { padding: 3rem 0 4rem; }
  .hero-card { padding: 1.5rem; }
  .cta-banner { padding: 2rem 1.25rem; }
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ----- Print ----- */
@media print {
  .site-header, .float-buttons, .site-footer { display: none; }
  .section { padding: 1rem 0; }
}

/* ============================================
   EXTRA EFFECTS - Snow, Map, Tilt, Glow, Truck
   ============================================ */

/* ----- Logo image (no border/background — logo gốc đã có nền trắng) ----- */
.logo-img {
  background: transparent;
  padding: 0;
  object-fit: contain;
  width: 60px !important;
  height: 60px !important;
  border-radius: 0;
}
.footer-logo .logo-img {
  background: transparent;
  border-radius: 0;
  width: 54px !important;
  height: 54px !important;
}

/* ----- Snowflakes falling layer ----- */
.snow-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.snow-layer span {
  position: absolute;
  top: -10%;
  color: rgba(255,255,255,.85);
  font-size: 1rem;
  text-shadow: 0 0 8px rgba(125,211,252,.6);
  animation: snowfall linear infinite;
  user-select: none;
}
.snow-layer span:nth-child(1)  { left: 5%;  font-size: 14px; animation-duration: 11s; animation-delay: 0s; }
.snow-layer span:nth-child(2)  { left: 12%; font-size: 18px; animation-duration: 14s; animation-delay: -2s; }
.snow-layer span:nth-child(3)  { left: 20%; font-size: 12px; animation-duration: 9s;  animation-delay: -1s; }
.snow-layer span:nth-child(4)  { left: 28%; font-size: 16px; animation-duration: 13s; animation-delay: -5s; }
.snow-layer span:nth-child(5)  { left: 35%; font-size: 20px; animation-duration: 16s; animation-delay: -3s; }
.snow-layer span:nth-child(6)  { left: 43%; font-size: 14px; animation-duration: 12s; animation-delay: -4s; }
.snow-layer span:nth-child(7)  { left: 50%; font-size: 17px; animation-duration: 10s; animation-delay: -7s; }
.snow-layer span:nth-child(8)  { left: 58%; font-size: 13px; animation-duration: 15s; animation-delay: -2s; }
.snow-layer span:nth-child(9)  { left: 65%; font-size: 19px; animation-duration: 11s; animation-delay: -6s; }
.snow-layer span:nth-child(10) { left: 72%; font-size: 15px; animation-duration: 14s; animation-delay: -8s; }
.snow-layer span:nth-child(11) { left: 80%; font-size: 12px; animation-duration: 9s;  animation-delay: -3s; }
.snow-layer span:nth-child(12) { left: 87%; font-size: 16px; animation-duration: 13s; animation-delay: -5s; }
.snow-layer span:nth-child(13) { left: 92%; font-size: 14px; animation-duration: 12s; animation-delay: -1s; }
.snow-layer span:nth-child(14) { left: 96%; font-size: 18px; animation-duration: 10s; animation-delay: -9s; }
.snow-layer span:nth-child(15) { left: 15%; font-size: 11px; animation-duration: 17s; animation-delay: -6s; }
.snow-layer span:nth-child(16) { left: 25%; font-size: 15px; animation-duration: 8s;  animation-delay: -4s; }
.snow-layer span:nth-child(17) { left: 45%; font-size: 13px; animation-duration: 16s; animation-delay: -7s; }
.snow-layer span:nth-child(18) { left: 55%; font-size: 17px; animation-duration: 11s; animation-delay: -2s; }
.snow-layer span:nth-child(19) { left: 70%; font-size: 12px; animation-duration: 13s; animation-delay: -8s; }
.snow-layer span:nth-child(20) { left: 85%; font-size: 19px; animation-duration: 15s; animation-delay: -10s; }

@keyframes snowfall {
  0%   { transform: translateY(-20vh) translateX(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: .8; }
  100% { transform: translateY(120vh) translateX(40px) rotate(360deg); opacity: 0; }
}

.hero { isolation: isolate; }
.hero .container, .section--map .container { position: relative; z-index: 1; }

/* ----- Hero parallax driving truck ----- */
.hero-truck {
  position: absolute;
  bottom: -25px;
  left: -250px;
  width: 180px;
  z-index: 0;
  opacity: .22;
  animation: driveAcross 22s linear infinite;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,.4));
  pointer-events: none;
}
@media (max-width: 720px) { .hero-truck { display: none; } }
.hero-truck svg { width: 100%; height: auto; }
@keyframes driveAcross {
  0%   { left: -250px; transform: translateY(0); }
  45%  { transform: translateY(-4px); }
  55%  { transform: translateY(0); }
  100% { left: 110%; transform: translateY(0); }
}

/* ============================================
   HUB-AND-SPOKE RADIAL NETWORK SECTION
   ============================================ */
.section--hub {
  background:
    radial-gradient(ellipse at top, rgba(125,211,252,.08) 0, transparent 60%),
    linear-gradient(180deg, #06192e 0%, #06285e 50%, #0b3d91 100%);
  color: var(--c-white);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.section--hub::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(125,211,252,.15) 0, transparent 35%),
    radial-gradient(circle at 70% 80%, rgba(251,191,36,.1) 0, transparent 40%);
  pointer-events: none;
}
.section--hub h2, .section--hub h3, .section--hub h4 { color: var(--c-white); }
.section--hub .section-header .eyebrow { color: #7dd3fc; }
.section--hub .section-header p { color: #cbd5e0; }
.section--hub .container { position: relative; z-index: 1; }

.hub-wrap {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.hub-canvas {
  background: radial-gradient(circle at center, rgba(11,61,145,.4) 0, rgba(6,25,46,.2) 70%);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: 0 30px 60px rgba(0,0,0,.4), inset 0 0 80px rgba(125,211,252,.08);
  position: relative;
}
.hub-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 24px rgba(125,211,252,.15));
}

.hub-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.hub-status {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: .75rem;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(16,185,129,.12);
  border: 1px solid rgba(16,185,129,.4);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.hub-status .live-dot {
  grid-row: 1 / 3;
  width: 14px; height: 14px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16,185,129,.6);
  animation: pulseLive 1.5s ease-in-out infinite;
}
.hub-status strong { color: #fff; font-size: 1rem; }
.hub-status small { color: #94a3b8; font-size: .82rem; }

.hub-kpi {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}
.hub-kpi > div {
  text-align: center;
  padding: 1rem .5rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.hub-kpi > div:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); }
.hub-kpi strong { display: block; font-size: 1.75rem; font-weight: 800; color: #7dd3fc; line-height: 1; }
.hub-kpi span { display: block; margin-top: .35rem; font-size: .82rem; color: #cbd5e0; }

.hub-title {
  font-size: 1rem;
  color: #7dd3fc !important;
  margin: 0;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  max-height: 320px;
  overflow-y: auto;
}
.route-list::-webkit-scrollbar { width: 6px; }
.route-list::-webkit-scrollbar-track { background: transparent; }
.route-list::-webkit-scrollbar-thumb { background: rgba(125,211,252,.25); border-radius: 3px; }
.route-list li {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .65rem .85rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.route-list li:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(125,211,252,.35);
  transform: translateX(4px);
}
.route-list li strong { display: block; color: #fff; font-size: .92rem; font-weight: 700; }
.route-list li em { display: block; font-style: normal; color: #94a3b8; font-size: .78rem; margin-top: 2px; }
.route-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #7dd3fc;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}
.route-dot--hot { background: #fbbf24; }
.route-dot--fast { background: #10b981; }

.hub-cta {
  align-self: flex-start;
  margin-top: .5rem;
}

@media (max-width: 980px) {
  .hub-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .route-list { max-height: none; }
}

/* ----- (legacy) Map section ----- */
.section--map {
  background: linear-gradient(135deg, #06192e 0%, #06285e 50%, #0b3d91 100%);
  color: var(--c-white);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.section--map::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(ellipse at top, rgba(125,211,252,.15) 0, transparent 60%);
  pointer-events: none;
}
.section--map h2, .section--map h3 { color: var(--c-white); }
.section--map .section-header .eyebrow { color: #7dd3fc; }
.section--map .section-header p { color: #cbd5e0; }

.map-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
}
.vn-map {
  width: 100%;
  height: auto;
  max-height: 720px;
  display: block;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 50px rgba(0,0,0,.4));
  background: linear-gradient(180deg, #0c4a6e 0%, #075985 100%);
}
.island-group text { paint-order: stroke; stroke: #06285e; stroke-width: 2.5; }
.city text { paint-order: stroke; stroke: #06285e; stroke-width: 3; }

.map-legend {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.legend-item {
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  padding: .85rem 1rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.legend-item:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(125,211,252,.4);
  transform: translateX(6px);
}
.legend-item small { color: #94a3b8; font-size: .82rem; }
.legend-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 0 12px currentColor;
  animation: pulseDot 2s ease-in-out infinite;
}
.legend-line {
  width: 24px; height: 4px;
  border-radius: 2px;
  flex-shrink: 0;
  margin-top: 10px;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: .7; }
}

@media (max-width: 980px) {
  .map-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .hero-truck { width: 140px; opacity: .25; }
}

/* ----- 3D Tilt cards on hover ----- */
.tilt {
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.tilt:hover {
  transform: perspective(900px) rotateX(4deg) rotateY(-4deg) translateY(-6px) scale(1.02);
}

/* ----- Logo cards (customer logos) - branded SVG ----- */
.logo-card img, .logo-card > svg {
  max-width: 92%;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(.15);
  transition: all var(--transition);
  display: block;
}
.logo-card:hover img, .logo-card:hover > svg { filter: grayscale(0) drop-shadow(0 4px 10px rgba(0,0,0,.15)); transform: scale(1.06); }
.logos { gap: 1.5rem; }
.logo-card { aspect-ratio: 5/3; padding: 1rem 1.25rem; min-height: 110px; }

/* ----- Counter animation ----- */
[data-count] {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ----- Glow ring on hero card ----- */
.hero-card {
  position: relative;
  z-index: 1;
}
.hero-card::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, #7dd3fc, #00b8d9, #fbbf24, #00b8d9, #7dd3fc);
  background-size: 400% 400%;
  border-radius: calc(var(--radius-lg) + 3px);
  z-index: -1;
  animation: glowRing 8s ease infinite;
  opacity: .55;
  filter: blur(8px);
}
@keyframes glowRing {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* ----- Hero shimmer on H1 ----- */
.hero h1 span {
  background: linear-gradient(90deg, #7dd3fc 0%, #fff 30%, #7dd3fc 60%, #fff 90%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ----- Floating animation for hero stats ----- */
.hero-trust strong {
  display: inline-block;
  animation: floatStat 4s ease-in-out infinite;
}
.hero-trust > div:nth-child(2) strong { animation-delay: .5s; }
.hero-trust > div:nth-child(3) strong { animation-delay: 1s; }
.hero-trust > div:nth-child(4) strong { animation-delay: 1.5s; }
@keyframes floatStat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ----- Feature icon rotate on hover ----- */
.feature:hover .feature-icon {
  animation: iconBounce .6s ease;
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  color: var(--c-white);
}
@keyframes iconBounce {
  0%, 100% { transform: scale(1) rotate(0); }
  30%      { transform: scale(1.15) rotate(-8deg); }
  60%      { transform: scale(1.05) rotate(8deg); }
}

/* ----- Service card image zoom ----- */
.service-img { overflow: hidden; }
.service-img svg { transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.service:hover .service-img svg { transform: scale(1.15) rotate(-2deg); }

/* ----- Button shine on hover ----- */
.btn--primary { position: relative; overflow: hidden; }
.btn--primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.4), transparent);
  transition: left .6s ease;
}
.btn--primary:hover::after { left: 150%; }

/* ----- Float buttons pulse intensified ----- */
.float-btn { transition: transform var(--transition), box-shadow var(--transition); }
.float-btn:hover { box-shadow: 0 12px 30px rgba(0,0,0,.3); }

/* ----- Scroll indicator at hero ----- */
.hero::after { display: none; } /* override earlier */

/* ----- Step card connecting line ----- */
@media (min-width: 720px) {
  .steps { position: relative; }
  .steps::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 5%; right: 5%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--c-accent) 20%, var(--c-accent) 80%, transparent);
    opacity: .4;
    z-index: 0;
  }
  .step { position: relative; z-index: 1; }
}

/* ----- Logo card placeholder fallback ----- */
.logo-card span {
  font-weight: 700;
  color: var(--c-text-muted);
  font-size: .95rem;
  text-align: center;
  line-height: 1.2;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.section--testimonials {
  background: linear-gradient(135deg, #f0f9ff 0%, #f1f5f9 50%, #ecfeff 100%);
  position: relative;
  overflow: hidden;
}
.testimonials-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.t-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .35;
  animation: floatCircle 14s ease-in-out infinite;
}
.t-c1 { width: 320px; height: 320px; background: var(--c-accent); top: -100px; left: -100px; }
.t-c2 { width: 280px; height: 280px; background: var(--c-primary); bottom: -80px; right: -80px; animation-delay: -4s; }
.t-c3 { width: 200px; height: 200px; background: #fbbf24; top: 30%; left: 50%; animation-delay: -8s; opacity: .2; }
@keyframes floatCircle {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.1); }
}
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}
.testimonial {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(11,61,145,.08);
  transition: all var(--transition);
  position: relative;
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 1.5rem;
  font-size: 6rem;
  font-family: Georgia, serif;
  color: var(--c-accent);
  opacity: .15;
  line-height: 1;
}
.testimonial:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(11,61,145,.15);
  border-color: var(--c-accent);
}
.t-stars {
  color: #fbbf24;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: .75rem;
  text-shadow: 0 0 8px rgba(251,191,36,.4);
}
.testimonial blockquote {
  margin: 0 0 1.5rem;
  padding: 0;
  font-size: .98rem;
  line-height: 1.65;
  color: var(--c-text);
  font-style: normal;
  border: 0;
  background: none;
}
.t-author {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}
.t-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: white;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.t-author strong { display: block; font-size: .92rem; color: var(--c-text); }
.t-author span { font-size: .82rem; color: var(--c-text-muted); }

/* ============================================
   ACHIEVEMENTS SECTION
   ============================================ */
.achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.achievement {
  background: white;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.achievement::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent), var(--c-primary));
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}
.achievement:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(11,61,145,.15);
  border-color: var(--c-accent);
}
.ach-icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: grid; place-items: center;
  margin: 0 auto 1rem;
  font-size: 1.85rem;
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
  transition: transform var(--transition);
}
.achievement:hover .ach-icon { transform: rotate(-8deg) scale(1.1); }
.ach-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: .25rem;
  letter-spacing: -.02em;
  line-height: 1;
}
.achievement strong {
  display: block;
  margin-bottom: .5rem;
  color: var(--c-text);
  font-size: 1rem;
}
.achievement p {
  font-size: .88rem;
  color: var(--c-text-muted);
  margin: 0;
}

/* Certifications strip */
.cert-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  background: white;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.cert-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.cert-item:hover { background: var(--c-bg-soft); }
.cert-badge {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: 12px;
  display: grid; place-items: center;
  color: white;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.cert-item strong { display: block; color: var(--c-text); font-size: .92rem; }
.cert-item small { color: var(--c-text-muted); font-size: .8rem; }

/* ============================================
   HERO mouse parallax (small float)
   ============================================ */
.hero-card { transition: transform .3s cubic-bezier(.2,.8,.2,1); }

/* ============================================
   VIETNAM MAP — drawing animation on outline
   ============================================ */
.vn-map path[d^="\nM 273"], .vn-map path[d^="M 273,34"] {
  stroke-dasharray: 4500;
  stroke-dashoffset: 4500;
  animation: drawMap 4s ease-out forwards;
}
@keyframes drawMap {
  to { stroke-dashoffset: 0; }
}

/* ============================================
   MORE micro-interactions
   ============================================ */
.section-header h2 {
  position: relative;
  display: inline-block;
}
.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
  border-radius: 2px;
}

/* Glow on Hà Nội/TPHCM star markers via SVG already, plus floating compass */
.vn-map { transition: transform .3s ease; }
.map-wrap:hover .vn-map { transform: scale(1.005); }

/* (Logo không có hiệu ứng hover - giữ tĩnh để chuyên nghiệp) */

/* "Real-time" indicator pulsing dot */
.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: #10b981;
  border-radius: 50%;
  margin-right: 6px;
  animation: pulseLive 1.5s ease-in-out infinite;
  vertical-align: middle;
}
@keyframes pulseLive {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,.6); }
  50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

/* Hero card mouse-track float */
@media (hover: hover) {
  .hero-inner { perspective: 1200px; }
  .hero-card { transform-style: preserve-3d; will-change: transform; }
}

@media (max-width: 720px) {
  .testimonials { grid-template-columns: 1fr; }
  .achievements { grid-template-columns: 1fr 1fr; }
  .ach-number { font-size: 2rem; }
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  .snow-layer, .hero-truck, .hero h1 span, .hero-card::before,
  .hero-trust strong, .vn-map *, .t-circle, .achievement::before,
  .live-dot { animation: none !important; }
  .tilt:hover { transform: none !important; }
}