/* VSW-KHUNG-02 · Footer (mẫu khách 17/09) */
.ft { position: relative; background: var(--vs-trang); }
.ft-doi-tac {
  position: relative;
  z-index: 1;
  padding-block: var(--vs-k6) var(--vs-k5);
  background: transparent;
}
.ft-doi-tac-dau {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--vs-k4);
  margin-bottom: var(--vs-k4);
}
.ft-doi-tac-nhan {
  display: flex;
  align-items: center;
  gap: var(--vs-k2);
  font-family: var(--vs-font-nhan);
  font-size: var(--vs-co-nhan);
  font-weight: 700;
  line-height: var(--vs-dong-nhan);
  letter-spacing: var(--vs-gian-nhan);
  text-transform: uppercase;
  color: var(--vs-blue);
}
.ft-doi-tac-nhan::before {
  content: "";
  flex: none;
  width: var(--vs-k2);
  height: var(--vs-k2);
  background: var(--vs-teal);
}
.ft-doi-tac-xem {
  display: inline-flex;
  align-items: center;
  gap: var(--vs-k2);
  min-height: var(--vs-cham-toi-thieu);
  font-family: var(--vs-font-noi-dung);
  font-size: var(--vs-co-nho);
  font-weight: 600;
  color: var(--vs-action);
  text-decoration: none;
}
.ft-doi-tac-xem:hover { text-decoration: underline; }
.ft-doi-tac-ds {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--vs-k3);
}
.ft-doi-tac-o {
  flex: 0 0 calc((100% - 7 * var(--vs-k3)) / 8);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 64px;
  padding: var(--vs-k2) var(--vs-k3);
  border: 1px solid var(--vs-line);
  border-radius: var(--vs-bo-the);
  background: var(--vs-trang);
}
.ft-doi-tac-logo {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.ft-song {
  position: static;
  overflow: hidden;
  padding-block: 170px var(--vs-k5);
  color: var(--vs-trang);
}
.ft-doi-tac + .ft-song { padding-top: var(--vs-k7); }
.ft-song-nen {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--vs-blue);
}
/* Giới hạn mép cong theo khoảng đệm, không theo chiều cao nội dung. */
.ft-song-nen::before {
  content: "";
  position: absolute;
  top: 0;
  left: -10%;
  width: 120%;
  height: var(--vs-k8);
  border-radius: 0 0 50% 50%;
  background: var(--vs-trang);
}
.ft-song-anh {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  z-index: 0;
}
.ft-song-khung {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--vs-k7);
  align-items: center;
}
.ft-don-vi {
  display: flex;
  align-items: center;
  gap: var(--vs-k4);
  min-width: 0;
}
.ft-logo {
  display: flex;
  flex: none;
}
.ft-logo-anh { width: auto; height: 44px; }
.ft-ten-khoi { min-width: 0; max-width: 340px; overflow-wrap: break-word; }
.ft-ten {
  text-wrap: balance;
  font-family: var(--vs-font-tieu-de);
  font-size: var(--vs-co-h3);
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--vs-trang);
}
.ft-ten-khac {
  text-wrap: balance;
  margin-top: var(--vs-k2);
  font-family: var(--vs-font-nhan);
  font-size: var(--vs-co-nhan);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--vs-trang);
}
.ft .ft-kenh {
  display: flex;
  flex-direction: column;
  gap: var(--vs-k1);
  min-width: 0;
  padding-left: var(--vs-k7);
  border-left: 1px solid var(--vs-line);
  font-family: var(--vs-font-noi-dung);
  font-size: var(--vs-co-nho);
  font-weight: 400;
  color: var(--vs-trang);
}
.ft-kenh-muc {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--vs-k3);
  min-height: var(--vs-cham-toi-thieu);
  overflow-wrap: break-word;
}
.ft-kenh-muc svg { width: 20px; height: 20px; flex: none; }
.ft-kenh-lien-ket {
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: var(--vs-cham-toi-thieu);
  color: var(--vs-trang);
  text-decoration: none;
}
.ft-kenh-lien-ket::after { content: ""; position: absolute; inset: 0; }
.ft-khau-hieu {
  min-width: 0;
  font-family: var(--vs-font-tieu-de);
  font-style: italic;
  font-weight: 500;
  line-height: var(--vs-dong-tieu-de);
  color: var(--vs-trang);
  text-align: right;
}
.ft-khau-hieu-1 { font-size: 22px; }
.ft-khau-hieu-2 { display: block; font-size: 28px; text-wrap: balance; }
.ft-khau-hieu svg {
  width: 100%;
  height: 16px;
  margin-top: var(--vs-k2);
  stroke: var(--vs-cyan);
  stroke-width: 2px;
}
.ft-thu-ky { position: relative; z-index: 1; margin-top: var(--vs-k5); padding-top: var(--vs-k5); border-top: 1px solid var(--vs-line); }
.ft-thu-ky-nhan { margin-bottom: var(--vs-k3); font-family: var(--vs-font-nhan); font-size: var(--vs-co-nhan); font-weight: 700; letter-spacing: var(--vs-gian-nhan); text-transform: uppercase; color: var(--vs-trang); }
.ft-thu-ky-ds { display: flex; flex-wrap: wrap; gap: var(--vs-k5); }
.ft-thu-ky-o { min-width: 220px; font-family: var(--vs-font-noi-dung); font-size: var(--vs-co-nho); color: var(--vs-trang); }
.ft-thu-ky-o p + p { margin-top: var(--vs-k1); }
.ft-thu-ky-tel { display: inline-flex; align-items: center; min-height: var(--vs-cham-toi-thieu); color: var(--vs-trang); text-decoration: none; }
.ft-cuoi {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--vs-k4);
  margin-top: var(--vs-k6);
  padding-top: var(--vs-k4);
}
.ft-cuoi::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--vs-le-khung);
  right: var(--vs-le-khung);
  height: 1px;
  background: var(--vs-line);
}
.ft-ban-quyen {
  text-wrap: balance;
  font-family: var(--vs-font-noi-dung);
  font-size: var(--vs-co-nho);
  font-weight: 400;
  color: var(--vs-trang);
}
.ft-menu { min-width: 0; }
.ft-menu-ds { display: flex; }
.ft-menu-muc { display: flex; align-items: center; }
.ft-menu-muc + .ft-menu-muc::before {
  content: "";
  flex: none;
  width: 1px;
  height: 12px;
  background: var(--vs-trang);
}
.ft-lien-ket {
  display: flex;
  align-items: center;
  min-height: var(--vs-cham-toi-thieu);
  padding-inline: var(--vs-k3);
  font-family: var(--vs-font-noi-dung);
  font-size: var(--vs-co-nho);
  font-weight: 500;
  color: var(--vs-trang);
  text-decoration: none;
}
.ft-kenh-lien-ket:hover, .ft-lien-ket:hover, .ft-thu-ky-tel:hover, .ft-lien-ket[aria-current] {
  color: var(--vs-trang);
  text-decoration: underline;
}
.ft-menu-muc:last-child .ft-lien-ket { padding-right: 0; }
.ft-song :focus-visible { outline: 3px solid var(--vs-trang); outline-offset: 2px; }

@media (min-width: 1024px) {
  .ft-cuoi::before { left: var(--vs-le-khung-rong); right: var(--vs-le-khung-rong); }
}

@media (max-width: 1279px) {
  .ft-song { padding-top: 240px; }
  .ft-doi-tac + .ft-song { padding-top: var(--vs-k7); }
  .ft-song-khung { grid-template-columns: minmax(0, 1fr) auto; row-gap: var(--vs-k5); }
  .ft-don-vi { grid-column: 1; grid-row: 1; }
  .ft-khau-hieu { grid-column: 2; grid-row: 1; justify-self: end; }
  .ft .ft-kenh {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-direction: row;
    flex-wrap: wrap;
    column-gap: var(--vs-k6);
    padding-top: var(--vs-k4);
    padding-left: 0;
    border-top: 1px solid var(--vs-line);
    border-left: 0;
  }
  .ft-khau-hieu-1 { font-size: 18px; }
  .ft-khau-hieu-2 { font-size: 22px; }
}

@media (max-width: 1023px) {
  .ft-doi-tac-o { flex-basis: calc((100% - 4 * var(--vs-k3)) / 5); height: 56px; }
}

@media (max-width: 767px) {
  .ft-doi-tac { padding-top: var(--vs-k5); background: var(--vs-trang); }
  .ft-doi-tac-ds { gap: var(--vs-k2); }
  .ft-doi-tac-o { flex-basis: calc((100% - 2 * var(--vs-k2)) / 3); }
  .ft-song { position: relative; padding-top: 120px; }
  .ft-doi-tac + .ft-song { padding-top: 120px; }
  .ft-song-nen::before { height: var(--vs-k7); }
  .ft-song-anh { inset: 0 0 auto 0; height: 200px; mask-image: linear-gradient(to bottom, var(--vs-ink) 60%, transparent); }
  .ft-song-khung { grid-template-columns: minmax(0, 1fr); gap: var(--vs-k5); }
  .ft-don-vi, .ft-khau-hieu, .ft .ft-kenh { grid-column: 1; grid-row: auto; }
  .ft-don-vi { flex-direction: column; align-items: flex-start; gap: var(--vs-k3); }
  .ft-ten-khoi { max-width: none; }
  .ft .ft-kenh { flex-direction: column; padding-top: 0; border-top: 0; }
  .ft-khau-hieu { justify-self: start; text-align: left; }
  .ft-cuoi { flex-direction: column; align-items: flex-start; gap: var(--vs-k3); }
  .ft-menu { width: 100%; }
  .ft-menu-ds { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--vs-k4); }
  .ft-menu-muc { min-width: 0; }
  .ft-menu-muc + .ft-menu-muc::before { display: none; }
  .ft-lien-ket { flex: 1 1 auto; padding-inline: 0; }
}