:root {
  --surface: #f7f9fb;
  --surface-low: #f2f4f6;
  --surface-container: #eceef0;
  --surface-high: #e0e3e5;
  --white: #ffffff;
  --on-surface: #191c1e;
  --muted: #43474f;
  --outline: #c3c6d1;
  --primary: #001e40;
  --primary-2: #003366;
  --secondary: #006875;
  --cyan: #00e3fd;
  --cyan-soft: #e0f7fa;
  --orange: #ff6f41;
  --zalo: #0068ff;
  --success: #10b981;
  --industrial: #334155;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 10px 25px rgba(0, 51, 102, 0.15);
  --container: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--on-surface);
  background: var(--surface);
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}
.material-symbols-outlined {
  font-size: 22px;
  line-height: 1;
  vertical-align: middle;
}
.material-symbols-outlined.fill { font-variation-settings: "FILL" 1; }

.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 80px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(51,65,85,.1);
  box-shadow: 0 2px 8px rgba(0, 30, 64, .04);
  backdrop-filter: blur(12px);
}
.nav-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 24px;
  font-weight: 800;
}
.brand-logo { max-height: 52px; width: auto; }
.brand-text { white-space: nowrap; }
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}
.desktop-nav a {
  padding: 8px 0;
  color: var(--industrial);
  font-size: 14px;
  font-weight: 700;
  line-height: 20px;
  transition: color .2s ease, border-color .2s ease;
  border-bottom: 2px solid transparent;
}
.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--secondary);
  border-bottom-color: var(--secondary);
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-hotline {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 24px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.nav-hotline:hover { background: var(--primary-2); }
.nav-hotline:active { transform: scale(.97); }
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  color: var(--primary);
  background: transparent;
  cursor: pointer;
}
.mobile-panel {
  position: fixed;
  inset: 80px 0 auto;
  padding: 20px 16px 24px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--outline);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.mobile-panel a {
  display: block;
  padding: 14px 0;
  font-weight: 700;
  color: var(--primary);
}
.mobile-panel .mobile-call {
  margin-top: 10px;
  padding: 14px 18px;
  text-align: center;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  font-size: 14px;
  font-weight: 700;
  line-height: 20px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, filter .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-2); }
.btn-cyan { background: var(--cyan); color: #001f24; box-shadow: var(--shadow); }
.btn-cyan:hover { filter: brightness(1.05); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-outline.light { border-color: var(--white); color: var(--white); }
.btn-outline.light:hover { background: rgba(255,255,255,.12); }
.btn.full { width: 100%; }

.hero-section {
  position: relative;
  min-height: 790px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}
.hero-bg {
  background-size: cover;
  background-position: center top;
  transform: scale(1.01);
}
.hero-overlay { background: linear-gradient(90deg, rgba(0, 30, 64, .68) 0%, rgba(0, 30, 64, .42) 48%, rgba(0, 30, 64, .18) 100%); }
.hero-content { position: relative; z-index: 1; }
.hero-copy { max-width: 680px; }
.hero-eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}
.hero-copy h1 {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 48px;
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: 0;
}
.hero-copy p {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255,255,255,.9);
  font-size: 18px;
  line-height: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}
.symptom-strip {
  padding: 24px 0;
  background: var(--surface-container);
}
.symptom-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}
.symptom-title {
  margin-right: 4px;
  color: var(--industrial);
  font-size: 14px;
  font-weight: 700;
}
.symptom-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface-high);
  color: var(--industrial);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, color .2s ease;
}
.symptom-chip:hover,
.symptom-chip.active {
  background: var(--primary);
  color: var(--cyan);
}

.services-section,
.news-section,
.contact-section,
.content-section,
.reviews-section {
  padding: 80px 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-head.centered { text-align: center; max-width: 720px; margin-inline: auto; }
.section-head.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}
.section-head h2,
.contact-info h2,
.page-hero h1,
.detail-copy h1,
.article-hero h1 {
  margin: 0;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 32px;
  line-height: 1.25;
  font-weight: 700;
}
.section-head p,
.page-hero p,
.article-hero p {
  margin: 12px 0 0;
  color: var(--industrial);
}
.service-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.service-tile,
.review-card,
.news-card,
.info-card,
.quote-form-card,
.prose-card,
.service-card,
.cta-panel {
  background: var(--white);
  border: 1px solid rgba(51,65,85,.12);
  border-radius: var(--radius);
}
.service-tile {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0, 30, 64, .04);
  border-bottom: 2px solid transparent;
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
}
.service-tile:hover {
  transform: translateY(-3px);
  border-bottom-color: var(--secondary);
  box-shadow: var(--shadow);
}
.service-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: var(--secondary);
  background: var(--cyan-soft);
  border-radius: var(--radius);
  transition: transform .25s ease;
}
.service-tile:hover .service-icon { transform: rotate(5deg); }
.service-icon .material-symbols-outlined { font-size: 30px; }
.service-tile h3 {
  margin: 0;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
}
.service-tile p {
  margin: 14px 0 24px;
  color: var(--industrial);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  color: var(--secondary);
  font-size: 14px;
  font-weight: 700;
  transition: gap .2s ease, color .2s ease;
}
.text-link:hover { gap: 8px; color: var(--primary); }

.why-section {
  padding: 80px 0;
  background: var(--primary);
  color: var(--white);
}
.why-grid,
.split-grid,
.contact-grid,
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}
.why-copy h2 {
  margin: 0;
  color: var(--cyan);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 32px;
  line-height: 1.25;
}
.why-lead {
  margin: 24px 0 0;
  color: rgba(255,255,255,.78);
  font-size: 18px;
  line-height: 28px;
}
.why-list { display: grid; gap: 24px; margin-top: 34px; }
.why-item { display: flex; gap: 16px; }
.why-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  color: var(--cyan);
}
.why-item h3 {
  margin: 0 0 6px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}
.why-item p {
  margin: 0;
  color: rgba(255,255,255,.62);
}
.why-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 25px 60px rgba(0,0,0,.25);
}
.why-media img { width: 100%; height: 100%; object-fit: cover; }
.why-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,30,64,.66), transparent);
}
.why-stats {
  position: absolute;
  z-index: 1;
  left: 24px;
  bottom: 24px;
  display: flex;
  gap: 16px;
}
.stat-badge {
  min-width: 118px;
  padding: 14px 16px;
  border-radius: var(--radius);
  text-align: center;
}
.stat-badge.cyan { background: var(--cyan); color: #001f24; }
.stat-badge.glass { background: rgba(255,255,255,.12); color: var(--white); backdrop-filter: blur(10px); }
.stat-badge strong { display: block; font-size: 24px; line-height: 1.15; }
.stat-badge span { display: block; margin-top: 3px; font-size: 11px; font-weight: 700; text-transform: uppercase; }

.reviews-section { background: var(--surface-low); }
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.review-card {
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0, 30, 64, .04);
}
.stars { display: flex; gap: 4px; color: var(--orange); }
.review-card p {
  min-height: 90px;
  margin: 18px 0 24px;
  color: var(--industrial);
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--surface-high);
}
.avatar-dot,
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  flex: 0 0 40px;
}
.avatar-dot {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--cyan-soft), var(--outline));
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
}
.review-avatar {
  object-fit: cover;
  background: var(--surface-high);
}
.review-author strong {
  display: block;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}
.review-author span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--industrial);
  font-size: 12px;
}
.review-author .material-symbols-outlined {
  color: var(--success);
  font-size: 14px;
}

.news-section { background: var(--surface); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.news-card {
  overflow: hidden;
  background: transparent;
  border-color: transparent;
}
.news-image {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-container);
}
.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.news-card:hover .news-image img { transform: scale(1.05); }
.news-body { padding: 16px 0 0; }
.news-date {
  color: var(--industrial);
  font-size: 12px;
  font-weight: 500;
}
.news-body h2,
.news-body h3 {
  margin: 8px 0 12px;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
}
.news-body h2 a:hover,
.news-body h3 a:hover { color: var(--secondary); }
.center-actions {
  display: flex;
  justify-content: center;
  margin-top: 44px;
}

.contact-section { background: var(--surface); }
.contact-grid { align-items: start; gap: 48px; }
.info-list { display: grid; gap: 16px; margin-top: 28px; }
.info-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 30, 64, .04);
}
.info-card > .material-symbols-outlined { color: var(--secondary); }
.info-card h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 700;
}
.info-card p,
.info-card a {
  margin: 0;
  color: var(--industrial);
}
.map-card {
  position: relative;
  height: 260px;
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--outline);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.map-card iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}
.map-button {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}
.quote-form-card {
  padding: 36px;
  border-color: rgba(195,198,209,.65);
  box-shadow: var(--shadow);
}
.quote-form-card h3 {
  margin: 0 0 24px;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 24px;
  line-height: 32px;
}
.ajax-contact-form {
  display: grid;
  gap: 16px;
}
.ajax-contact-form label {
  display: grid;
  gap: 6px;
  color: var(--industrial);
  font-size: 14px;
  font-weight: 700;
}
.ajax-contact-form input,
.ajax-contact-form textarea,
.search-row input {
  width: 100%;
  border: 1px solid var(--outline);
  border-radius: var(--radius-sm);
  background: var(--surface-low);
  color: var(--on-surface);
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.ajax-contact-form input:focus,
.ajax-contact-form textarea:focus,
.search-row input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0, 227, 253, .25);
}
.form-status { min-height: 20px; margin: 0; color: var(--secondary); font-size: 14px; }

.site-footer {
  background: var(--primary);
  color: var(--white);
  padding-top: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}
.footer-brand {
  display: inline-flex;
  color: var(--cyan);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 24px;
  font-weight: 700;
}
.footer-brand-col p {
  max-width: 520px;
  color: var(--surface-high);
}
.site-footer h3 {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--surface-high); transition: color .2s ease; }
.site-footer a:hover { color: var(--white); }
.social-row { display: flex; gap: 12px; margin-top: 20px; }
.social-row a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
}
.social-row a:hover {
  background: var(--cyan);
  color: var(--primary);
}
.footer-bottom {
  margin-top: 40px;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  color: var(--surface-high);
  text-align: center;
  font-size: 12px;
}

.page-hero,
.article-hero,
.detail-hero {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: var(--white);
}
.page-hero h1,
.article-hero h1,
.detail-copy h1 { color: var(--white); max-width: 900px; }
.page-hero p,
.article-hero p,
.detail-copy p { color: rgba(255,255,255,.8); max-width: 760px; font-size: 18px; line-height: 28px; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
}
.breadcrumb a::after { content: "/"; margin-left: 8px; color: rgba(255,255,255,.45); }
.section-eyebrow {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--secondary);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}
.page-shell .content-section.soft { background: var(--surface-low); }
.narrow { max-width: 880px; }
.prose-card { padding: 36px; }
.prose-card h2 {
  margin: 0 0 16px;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 32px;
}
.prose-card p { color: var(--industrial); }
.feature-list { display: grid; gap: 18px; margin-top: 28px; }
.feature-list div { display: grid; grid-template-columns: 34px 1fr; column-gap: 12px; }
.feature-list .material-symbols-outlined { grid-row: span 2; color: var(--secondary); }
.feature-list strong { color: var(--primary); }
.feature-list p { margin: 4px 0 0; }
.image-panel {
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.image-panel img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.search-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.service-card { overflow: hidden; box-shadow: 0 2px 8px rgba(0,30,64,.04); }
.card-image { display: block; aspect-ratio: 16/10; background: var(--surface-container); overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.service-card:hover .card-image img { transform: scale(1.04); }
.card-body { padding: 22px; }
.card-kicker {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
.card-body h2,
.card-body h3 {
  margin: 0 0 10px;
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 22px;
  line-height: 30px;
}
.card-body p { color: var(--industrial); }
.detail-media {
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.detail-media img { width: 100%; height: 420px; object-fit: cover; }
.article-body {
  color: var(--industrial);
  font-size: 17px;
  line-height: 1.8;
}
.article-body h2,
.article-body h3 {
  color: var(--primary);
  font-family: "Be Vietnam Pro", sans-serif;
}
.article-body a { color: var(--secondary); font-weight: 700; }
.article-cover {
  width: 100%;
  max-height: 470px;
  object-fit: cover;
  margin-bottom: 32px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.cta-panel {
  margin-top: 44px;
  padding: 32px;
  background: var(--cyan-soft);
}
.cta-panel h2 { margin: 0 0 10px; color: var(--primary); font-family: "Be Vietnam Pro", sans-serif; }
.empty-state {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--industrial);
  text-align: center;
}
.pagination-wrap { margin-top: 32px; }

.mobile-sticky-cta,
.mobile-cta-spacer { display: none; }

@media (max-width: 1024px) {
  .desktop-nav, .nav-hotline { display: none; }
  .mobile-menu-btn { display: grid; place-items: center; }
  .hero-section { min-height: 720px; }
  .hero-copy h1 { font-size: 40px; }
  .service-card-grid,
  .review-grid,
  .news-grid,
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .why-grid,
  .split-grid,
  .contact-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand-col { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 32px, var(--container)); }
  .top-nav, .nav-inner { height: 72px; }
  .mobile-panel { inset: 72px 0 auto; }
  .brand { font-size: 18px; }
  .hero-section { min-height: 660px; }
  .hero-copy h1 { font-size: 34px; line-height: 1.18; }
  .hero-copy p { font-size: 16px; line-height: 25px; }
  .hero-actions, .search-row { flex-direction: column; }
  .btn { width: 100%; }
  .symptom-inner {
    justify-content: flex-start;
    align-items: flex-start;
    overflow: visible;
    flex-wrap: wrap;
    gap: 10px;
  }
  .symptom-title {
    flex: 0 0 100%;
    margin: 0 0 6px;
  }
  .symptom-chip {
    min-height: 36px;
    padding: 8px 14px;
    white-space: nowrap;
  }
  .services-section,
  .news-section,
  .contact-section,
  .content-section,
  .reviews-section,
  .why-section { padding: 56px 0; }
  .section-head h2,
  .contact-info h2,
  .page-hero h1,
  .detail-copy h1,
  .article-hero h1,
  .why-copy h2 { font-size: 28px; line-height: 36px; }
  .service-card-grid,
  .review-grid,
  .news-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }
  .service-tile,
  .review-card,
  .quote-form-card,
  .prose-card { padding: 24px; }
  .why-stats { left: 16px; right: 16px; bottom: 16px; gap: 10px; }
  .stat-badge { min-width: 0; flex: 1; padding: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero,
  .article-hero,
  .detail-hero { padding: 56px 0; }
  .detail-media img,
  .image-panel img { height: 300px; min-height: 0; }
  .mobile-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    gap: 10px;
    height: auto;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    overflow: visible;
    background: rgba(247, 249, 251, .96);
    border-top: 1px solid rgba(195, 198, 209, .8);
    box-shadow: 0 -8px 24px rgba(0,51,102,.16);
    backdrop-filter: blur(12px);
  }
  .mobile-sticky-cta a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 0;
    min-height: 54px;
    padding: 0 10px;
    border-radius: 8px;
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
  }
  .mobile-sticky-cta .material-symbols-outlined {
    flex: 0 0 auto;
    font-size: 22px;
  }
  .mobile-sticky-cta span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .mobile-sticky-cta .call { background: var(--primary); animation: pulse 1.8s infinite; }
  .mobile-sticky-cta .zalo { background: var(--zalo); }
  .mobile-cta-spacer { display: block; height: 86px; }
}

@keyframes pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.16); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}