/* Điều chỉnh giao diện cho máy tính bảng và điện thoại. */
@media (max-width: 900px) {
  .nav { height: 67px; }
  .menu { display: block; margin-left: auto; }
  .navlinks { display: none; position: absolute; left: 0; right: 0; top: 67px; z-index: 2; background: white; padding: 20px; box-shadow: 0 15px 25px #0001; align-items: stretch; gap: 15px; }
  .navlinks.open { display: flex; flex-direction: column; }
  .navbutton { display: none; }
  /* Vẫn hiện đường dẫn nếu trình duyệt không chạy JavaScript. */
  .no-js .nav { height: auto; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px; gap: 12px; }
  .no-js .menu { display: none; }
  .no-js .navlinks { position: static; display: flex; flex-wrap: wrap; width: 100%; margin: 0; padding: 4px 0 0; box-shadow: none; }
  .hero-grid { min-height: 440px; }
  .hero-copy { padding: 65px 0 95px; }
  .hero-photo { width: 68%; opacity: .75; }
  .hero-copy p { max-width: 380px; }
  .contact-card { padding: 28px; gap: 24px; }
  .call-button { min-width: 300px; }
  .services { grid-template-columns: repeat(3, 1fr); }
  .card { padding: 22px; }
  .experience { gap: 35px; }
  .faq-grid { gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .contact-dock { left: 0; right: 0; bottom: 0; flex-direction: row; justify-content: center; align-items: center; gap: 8px; padding: 8px max(12px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); border-top: 1px solid #e1e9e0; background: #fffffff5; box-shadow: 0 -5px 20px #0b3c3215; }
  .dock-link { flex: 1; justify-content: flex-start; width: auto; max-width: 320px; min-width: 0; height: auto; min-height: 48px; gap: 7px; padding: 4px 7px 4px 4px; }
  .dock-icon { flex-basis: 36px; width: 36px; height: 36px; }
  .dock-phone-icon svg { width: 19px; height: 19px; }
  .dock-zalo-icon { font-size: 10px; }
  .dock-label { position: static; min-width: 0; padding: 0; border: 0; background: transparent; box-shadow: none; opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
  .dock-link:hover .dock-label, .dock-link:focus-visible .dock-label { transform: none; }
  .dock-label strong { font-size: 11px; }
  .dock-label small { overflow: hidden; font-size: 10px; text-overflow: ellipsis; }
  .dock-phone .dock-label small { font-size: 10px; letter-spacing: 0; }
}

@media (max-width: 650px) {
  .wrap { padding: 0 20px; }
  .top .wrap { justify-content: center; }
  .top .right { display: none; }
  .logo { font-size: 20px; }
  .mark { width: 34px; height: 34px; }
  .hero-grid { display: block; min-height: 590px; }
  .hero-copy { padding: 45px 0 0; }
  .hero-copy h1 { font-size: clamp(33px, 10vw, 43px); letter-spacing: -2px; margin: 16px 0; }
  .hero-copy p { font-size: 13px; max-width: 95%; line-height: 1.7; }
  .hero-pills { gap: 10px; flex-wrap: wrap; font-size: 10px; }
  .hero-photo { top: auto; bottom: 0; height: 310px; width: 100%; background-image: linear-gradient(180deg,#eaf0e6,transparent 35%),url('../images/xe-vinfast-minh-hoa.png'); opacity: 1; }
  .photo-tag { bottom: 65px; right: 20px; }
  .contact-wrap { margin-top: -35px; }
  .contact-card { display: block; padding: 25px 21px; }
  .contact-copy h2 { font-size: clamp(26px, 8vw, 32px); }
  .call-button { min-width: 0; width: 100%; margin-top: 20px; padding: 12px 10px; gap: 10px; }
  .call-button-copy strong { font-size: clamp(12px, 3.4vw, 14px); white-space: nowrap; }
  .call-button-copy small { font-size: 16px; }
  .call-icon { flex-basis: 38px; height: 38px; font-size: 21px; }
  .call-arrow { font-size: 20px; }
  .section { padding: 68px 0; }
  .services-head, .pricing-top { display: block; }
  .services-head .section-lead { margin-top: 15px; }
  .services { grid-template-columns: 1fr; }
  .card p { min-height: 0; }
  .card h3 { margin-top: 20px; }
  .card a { margin-top: 12px; }
  .sample { display: inline-block; margin-top: 12px; }
  .price-table-wrap { margin-top: 22px; }
  .price-table th, .price-table td { padding: 12px 3px; }
  .price-table th { font-size: 12px; }
  .price-table td { font-size: 12.5px; }
  .price-table .capacity, .price-table .route-from, .price-table .route-to,
  .price-table .price-from, .price-table .price-to { display: block; }
  .price-table .shipping-row td { font-size: 16px; }
  .experience, .faq-grid { grid-template-columns: 1fr; gap: 28px; }
  .experience-visual { min-height: 300px; }
  .experience-copy { order: -1; }
  .faq-grid { gap: 10px; }
  .cta { padding: 30px 24px; display: block; }
  .cta h2 { font-size: 25px; }
  .cta a { display: inline-block; margin-top: 20px; }
  .site-footer { padding: 54px 0 24px; }
  .footer-heading { display: block; padding-bottom: 30px; }
  .footer-heading h2 { font-size: clamp(35px, 9vw, 46px); }
  .footer-route { width: 100%; max-width: 340px; margin-top: 30px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px 20px; padding: 34px 0; }
  .footer-brand p { margin: 15px 0; }
  .footer-call { gap: 8px; padding: 10px; }
  .footer-call-icon { width: 36px; height: 36px; flex-basis: 36px; font-size: 18px; }
  .footer-call strong { font-size: 14px; }
  .footer-call-arrow { display: none; }
  .foot-bottom { align-items: flex-start; flex-direction: column; gap: 12px; }
}

@media (max-width: 390px) {
  .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .call-button { gap: 8px; padding: 10px; }
  .call-button-copy { min-width: 0; }
  .call-button-copy strong { white-space: normal; line-height: 1.25; }
  .call-button-copy small { font-size: 15px; letter-spacing: 0; }
  .call-arrow { font-size: 18px; }
}

@media (max-width: 300px) {
  .contact-dock { gap: 6px; padding-left: max(8px, env(safe-area-inset-left)); padding-right: max(8px, env(safe-area-inset-right)); }
  .dock-link { gap: 5px; }
  .dock-icon { flex-basis: 32px; width: 32px; height: 32px; }
}