[data-contact-trigger] {
  cursor: pointer;
  font: inherit;
}

.contact-dialog {
  width: min(460px, calc(100% - 32px));
  margin: auto;
  padding: 0;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 24px;
  color: #111827;
  background: #ffffff;
  box-shadow: 0 28px 90px rgba(15, 23, 42, 0.28);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
}

.contact-dialog::backdrop {
  background: rgba(7, 17, 31, 0.64);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.contact-dialog__content { padding: 26px; }
.contact-dialog__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.contact-dialog__eyebrow { margin: 0 0 6px; color: #2563eb; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.contact-dialog h2 { margin: 0; color: #0f172a; font-size: clamp(1.3rem, 4vw, 1.7rem); line-height: 1.2; }
.contact-dialog__lead { margin: 10px 0 20px; color: #64748b; line-height: 1.6; }
.contact-dialog__close { flex: 0 0 auto; width: 36px; height: 36px; padding: 0; border: 1px solid #e2e8f0; border-radius: 50%; color: #475569; background: #f8fafc; cursor: pointer; font-size: 1.3rem; line-height: 1; }
.contact-dialog__options { display: grid; gap: 12px; }
.contact-dialog__option { display: grid; grid-template-columns: 46px minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 14px; border: 1px solid #e2e8f0; border-radius: 17px; color: #0f172a; background: #ffffff; text-decoration: none; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.contact-dialog__option:hover { transform: translateY(-2px); border-color: rgba(37,99,235,.35); box-shadow: 0 12px 28px rgba(15,23,42,.09); }
.contact-dialog__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; color: #fff; font-size: 1rem; font-weight: 900; }
.contact-dialog__option--zalo .contact-dialog__icon { background: #0868ff; }
.contact-dialog__option--email .contact-dialog__icon { background: #0f9d78; }
.contact-dialog__label { display: block; margin-bottom: 2px; font-weight: 800; }
.contact-dialog__detail { display: block; overflow-wrap: anywhere; color: #64748b; font-size: .88rem; }
.contact-dialog__arrow { color: #94a3b8; font-size: 1.15rem; }
.contact-dialog__note { margin: 16px 0 0; color: #94a3b8; font-size: .78rem; text-align: center; }

@media (max-width: 480px) {
  .contact-dialog__content { padding: 20px; }
  .contact-dialog__option { grid-template-columns: 42px minmax(0,1fr); }
  .contact-dialog__icon { width: 42px; height: 42px; }
  .contact-dialog__arrow { display: none; }
}