/*!
 * vievoo.css — lớp thương hiệu Vievoo Travel đặt trên Tabler CSS
 * Tải SAU tabler.min.css. Upload lên Saltcorn → dùng /files/serve/vievoo.css
 */

/* ---------------------------------------------------------------- tokens */
:root {
  --vv-ink: #171a5c;
  --vv-ink-deep: #0c0e38;
  --vv-muted: #5d6390;
  --vv-amber: #fbb018;
  --vv-orange: #f07422;
  --vv-crimson: #e4384a;
  --vv-paper: #fff7f0;
  --vv-card: #ffffff;
  --vv-line: #ece6f2;
  --vv-wing: linear-gradient(115deg, #fbb018 0%, #f07422 52%, #e4384a 100%);

  --vv-sans: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, sans-serif;
  --vv-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* nối vào Tabler */
  --tblr-font-sans-serif: var(--vv-sans);
  --tblr-body-font-family: var(--vv-sans);
  --tblr-primary: #f07422;
  --tblr-primary-rgb: 240, 116, 34;
  --tblr-border-radius: .75rem;
  --tblr-link-color: var(--vv-ink);
  --tblr-link-hover-color: var(--vv-orange);
}

/* ------------------------------------------------------------- base */
body.vv {
  font-family: var(--vv-sans);
  background: var(--vv-paper);
  color: var(--vv-ink);
  -webkit-font-smoothing: antialiased;
}

.vv h1, .vv h2, .vv h3, .vv h4 {
  font-family: var(--vv-sans);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--vv-ink);
}

.vv-mono {
  font-family: var(--vv-mono);
  font-variant-numeric: tabular-nums;
}

.vv-eyebrow {
  font-family: var(--vv-mono);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--vv-orange);
}

.vv-eyebrow-light { color: rgba(255, 255, 255, .72); }

.vv-lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--vv-muted);
  font-weight: 400;
}

.vv-section { padding: 3.5rem 0; }
.vv-section-tight { padding: 2.5rem 0; }

.vv-rule {
  height: 3px;
  border: 0;
  background: var(--vv-wing);
  opacity: 1;
  margin: 0;
}

.vv-gradient-text {
  background: var(--vv-wing);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.vv a { text-decoration: none; }
.vv a:hover { text-decoration: none; }

.vv :focus-visible {
  outline: 3px solid var(--vv-amber);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ------------------------------------------------------------ header */
.vv-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 247, 240, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--vv-line);
}

.vv-header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 64px;
}

.vv-logo { display: flex; align-items: center; gap: .625rem; }

/* chỉ hiển thị phần cánh của logo, phần chữ trong ảnh bị cắt vì đã có wordmark bên cạnh */
.vv-mark { display: block; width: 48px; height: 28px; overflow: hidden; flex: 0 0 auto; }
.vv-mark img { width: 48px; height: auto; display: block; margin-top: -5px; }
.vv-mark-lg { width: 84px; height: 50px; }
.vv-mark-lg img { width: 84px; margin-top: -8px; }
.vv-logo-word {
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -.02em;
  color: var(--vv-ink);
  line-height: 1;
}
.vv-logo-sub {
  font-family: var(--vv-mono);
  font-size: .625rem;
  letter-spacing: .2em;
  color: var(--vv-orange);
  text-transform: uppercase;
}

.vv-nav { display: none; gap: 1.5rem; margin-inline-start: auto; }
.vv-nav a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--vv-muted);
  padding: .25rem 0;
  border-bottom: 2px solid transparent;
}
.vv-nav a:hover { color: var(--vv-ink); border-bottom-color: var(--vv-orange); }

.vv-header-cta { margin-inline-start: auto; }
@media (min-width: 992px) {
  .vv-nav { display: flex; }
  .vv-header-cta { margin-inline-start: 1.5rem; }
}

/* -------------------------------------------------------------- hero */
.vv-hero {
  position: relative;
  color: #fff;
  background: var(--vv-ink-deep);
  overflow: hidden;
}
.vv-hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 55%;
  opacity: .55;
}
.vv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 14, 56, .82) 0%, rgba(12, 14, 56, .58) 45%, rgba(12, 14, 56, .95) 100%);
}
.vv-hero-body {
  position: relative;
  z-index: 2;
  padding: 3.5rem 0 3rem;
}
.vv-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.08;
  margin: .75rem 0 1rem;
  max-width: 18ch;
}
.vv-hero p {
  color: rgba(255, 255, 255, .82);
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 46ch;
  margin-bottom: 1.75rem;
}
.vv-hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* dải "ticket stub" dưới hero */
.vv-stubs {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, .14);
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.vv-stub {
  background: rgba(12, 14, 56, .55);
  padding: 1rem 1.25rem;
}
.vv-stub dt {
  font-family: var(--vv-mono);
  font-size: .625rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  font-weight: 500;
  margin-bottom: .25rem;
}
.vv-stub dd {
  margin: 0;
  font-weight: 700;
  font-size: .9375rem;
  color: #fff;
}
@media (min-width: 768px) {
  .vv-stubs { grid-template-columns: repeat(4, 1fr); }
  .vv-hero-body { padding: 5.5rem 0 4rem; }
}

/* ------------------------------------------------- boarding-pass card */
.vv-pass {
  background: var(--vv-card);
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px -30px rgba(12, 14, 56, .45), 0 2px 6px rgba(12, 14, 56, .06);
  overflow: hidden;
}

.vv-pass-head {
  background: var(--vv-ink);
  color: #fff;
  padding: 1.25rem 1.25rem 1.5rem;
  position: relative;
}
.vv-pass-head::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: var(--vv-wing);
}

.vv-route {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--vv-mono);
}
.vv-route-code {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.vv-route-code[data-empty="1"] { color: rgba(255, 255, 255, .32); }
.vv-route-city {
  font-family: var(--vv-sans);
  font-size: .75rem;
  color: rgba(255, 255, 255, .6);
  margin-top: .25rem;
  min-height: 1rem;
}
.vv-route-arrow {
  flex: 1 1 auto;
  position: relative;
  height: 1px;
  background: rgba(255, 255, 255, .28);
}
.vv-route-arrow i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--vv-ink);
  color: var(--vv-amber);
  padding: 0 .5rem;
  font-size: 1.125rem;
}

.vv-perf {
  position: relative;
  height: 0;
  border-top: 2px dashed var(--vv-line);
}
.vv-perf::before, .vv-perf::after {
  content: "";
  position: absolute;
  top: -13px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--vv-paper);
}
.vv-perf::before { left: -12px; }
.vv-perf::after { right: -12px; }

.vv-pass-body { padding: 1.5rem 1.25rem; }
@media (min-width: 768px) {
  .vv-pass-head { padding: 1.75rem 2rem 2rem; }
  .vv-pass-body { padding: 2rem; }
}

/* ---------------------------------------------------------- form bits */
.vv-step {
  display: flex;
  align-items: baseline;
  gap: .625rem;
  margin: 2rem 0 1rem;
}
.vv-step:first-child { margin-top: 0; }
.vv-step-num {
  font-family: var(--vv-mono);
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
  background: var(--vv-ink);
  border-radius: 999px;
  width: 1.5rem;
  height: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.vv-step-title { font-size: 1rem; font-weight: 700; margin: 0; }

.vv .form-label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--vv-ink);
  margin-bottom: .375rem;
}
.vv .form-hint { color: var(--vv-muted); font-size: .8125rem; }

.vv .form-control, .vv .form-select {
  border-color: var(--vv-line);
  border-radius: .625rem;
  padding: .625rem .75rem;
  font-size: .9375rem;
  color: var(--vv-ink);
  background-color: #fff;
}
.vv .form-control:focus, .vv .form-select:focus {
  border-color: var(--vv-orange);
  box-shadow: 0 0 0 .2rem rgba(240, 116, 34, .15);
}
.vv .form-control::placeholder { color: #a9adc9; }

/* nút chọn dạng "chip" (loại chuyến, hạng ghế, kênh liên hệ...) */
.vv-choice { display: flex; flex-wrap: wrap; gap: .5rem; }
.vv-choice input { position: absolute; opacity: 0; pointer-events: none; }
.vv-choice label {
  border: 1.5px solid var(--vv-line);
  border-radius: 999px;
  padding: .4375rem .875rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--vv-muted);
  cursor: pointer;
  background: #fff;
  transition: border-color .12s, color .12s, background .12s;
  user-select: none;
}
.vv-choice label:hover { border-color: #cfc8dd; color: var(--vv-ink); }
.vv-choice input:checked + label {
  border-color: transparent;
  background: var(--vv-ink);
  color: #fff;
}
.vv-choice input:focus-visible + label {
  outline: 3px solid var(--vv-amber);
  outline-offset: 2px;
}

/* combobox sân bay */
.vv-combo { position: relative; }
.vv-combo-list {
  position: absolute;
  z-index: 40;
  inset-inline: 0;
  top: calc(100% + 4px);
  background: #fff;
  border: 1px solid var(--vv-line);
  border-radius: .75rem;
  box-shadow: 0 18px 40px -18px rgba(12, 14, 56, .35);
  max-height: 288px;
  overflow-y: auto;
  padding: .25rem;
  display: none;
}
.vv-combo-list[data-open="1"] { display: block; }
.vv-combo-group {
  font-family: var(--vv-mono);
  font-size: .625rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--vv-muted);
  padding: .5rem .625rem .25rem;
}
.vv-opt {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .5rem .625rem;
  border-radius: .5rem;
  cursor: pointer;
}
.vv-opt[aria-selected="true"], .vv-opt:hover { background: #fdf1e6; }
.vv-opt-code {
  font-family: var(--vv-mono);
  font-weight: 700;
  font-size: .8125rem;
  color: var(--vv-ink);
  background: #f4f1fa;
  border-radius: .375rem;
  padding: .125rem .375rem;
  flex: 0 0 auto;
}
.vv-opt-city { font-size: .875rem; font-weight: 600; color: var(--vv-ink); }
.vv-opt-meta { font-size: .75rem; color: var(--vv-muted); }
.vv-combo-empty { padding: .875rem .625rem; font-size: .875rem; color: var(--vv-muted); }

.vv-swap {
  border: 1.5px solid var(--vv-line);
  background: #fff;
  color: var(--vv-ink);
  border-radius: 999px;
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .18s, border-color .12s;
}
.vv-swap:hover { border-color: var(--vv-orange); color: var(--vv-orange); transform: rotate(180deg); }

/* --------------------------------------- CỬA SỔ NGÀY BAY (signature) */
.vv-window {
  border: 1.5px solid var(--vv-line);
  border-radius: .875rem;
  padding: 1rem;
  background: #fffdfb;
}
.vv-window-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .75rem;
}
.vv-window-label {
  font-family: var(--vv-mono);
  font-size: .625rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--vv-muted);
  font-weight: 700;
}
.vv-window-count { font-size: .8125rem; font-weight: 600; color: var(--vv-orange); }

.vv-days {
  display: flex;
  gap: .375rem;
  overflow-x: auto;
  padding-bottom: .375rem;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}
.vv-day {
  flex: 0 0 auto;
  min-width: 3.75rem;
  text-align: center;
  padding: .5rem .375rem;
  border-radius: .625rem;
  border: 1.5px solid var(--vv-line);
  background: #fff;
  scroll-snap-align: center;
}
.vv-day-dow {
  font-family: var(--vv-mono);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--vv-muted);
  text-transform: uppercase;
}
.vv-day-date {
  font-family: var(--vv-mono);
  font-size: .875rem;
  font-weight: 700;
  color: var(--vv-ink);
  margin-top: .125rem;
}
.vv-day[data-state="near"] { border-color: #f8d6ab; background: #fffaf3; }
.vv-day[data-state="pick"] {
  border-color: transparent;
  background: var(--vv-wing);
  box-shadow: 0 6px 16px -8px rgba(228, 56, 74, .8);
}
.vv-day[data-state="pick"] .vv-day-dow { color: rgba(255, 255, 255, .8); }
.vv-day[data-state="pick"] .vv-day-date { color: #fff; }
.vv-day[data-state="past"] { opacity: .35; }

.vv .form-range { accent-color: var(--vv-orange); }

.vv-flex-chip {
  border: 1.5px solid var(--vv-line);
  background: #fff;
  color: var(--vv-muted);
  border-radius: 999px;
  padding: .3125rem .75rem;
  font-size: .8125rem;
  font-weight: 600;
  font-family: var(--vv-mono);
  cursor: pointer;
}
.vv-flex-chip:hover { border-color: #cfc8dd; color: var(--vv-ink); }
.vv-flex-chip[data-active="1"] {
  border-color: var(--vv-orange);
  color: var(--vv-orange);
  background: #fff6ee;
}

.vv-combos {
  margin: 1rem 0 0;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--vv-orange);
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* bộ đếm hành khách */
.vv-count {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  border: 1.5px solid var(--vv-line);
  border-radius: .625rem;
  padding: .5rem .625rem;
  background: #fff;
}
.vv-count-label { font-size: .8125rem; font-weight: 600; line-height: 1.2; }
.vv-count-note { font-size: .6875rem; color: var(--vv-muted); }
.vv-count-ctrl { display: flex; align-items: center; gap: .375rem; }
.vv-count-btn {
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 999px;
  border: 1.5px solid var(--vv-line);
  background: #fff;
  color: var(--vv-ink);
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.vv-count-btn:hover:not(:disabled) { border-color: var(--vv-orange); color: var(--vv-orange); }
.vv-count-btn:disabled { opacity: .35; cursor: not-allowed; }
.vv-count-val {
  font-family: var(--vv-mono);
  font-weight: 700;
  min-width: 1.25rem;
  text-align: center;
}

/* nút gửi */
.vv-btn-send {
  background: var(--vv-wing);
  border: 0;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: .875rem 1.5rem;
  border-radius: .75rem;
  width: 100%;
  cursor: pointer;
  box-shadow: 0 12px 28px -14px rgba(228, 56, 74, .9);
}
.vv-btn-send:hover { filter: brightness(1.04); color: #fff; }
.vv-btn-send:disabled { opacity: .6; cursor: wait; }

.vv-btn-ink {
  background: var(--vv-ink);
  color: #fff;
  border: 0;
  font-weight: 700;
  padding: .75rem 1.375rem;
  border-radius: .75rem;
}
.vv-btn-ink:hover { background: #0c0e38; color: #fff; }

.vv-btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .35);
  font-weight: 600;
  padding: .75rem 1.375rem;
  border-radius: .75rem;
}
.vv-btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, .08); }

.vv-alert {
  border-radius: .75rem;
  border: 1.5px solid #f5c2c7;
  background: #fff5f5;
  color: #a4232f;
  padding: .75rem 1rem;
  font-size: .875rem;
  font-weight: 500;
}

/* màn hình cảm ơn */
.vv-done { text-align: center; padding: 2rem 1rem 2.5rem; }
.vv-done-mark {
  width: 4rem; height: 4rem;
  border-radius: 999px;
  background: var(--vv-wing);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1rem;
}
.vv-ref {
  font-family: var(--vv-mono);
  font-weight: 700;
  letter-spacing: .08em;
  background: #f4f1fa;
  border-radius: .5rem;
  padding: .375rem .75rem;
  display: inline-block;
}

/* ---------------------------------------------------- chặng bay / rail */
.vv-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 76%;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: .75rem;
  margin-inline: -1rem;
  padding-inline: 1rem;
}
@media (min-width: 576px) { .vv-rail { grid-auto-columns: 46%; } }
@media (min-width: 992px) {
  .vv-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-columns: auto;
    overflow: visible;
    margin-inline: 0;
    padding-inline: 0;
  }
}

.vv-dest {
  scroll-snap-align: start;
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  background: var(--vv-ink);
  isolation: isolate;
}
.vv-dest img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform .5s ease;
}
.vv-dest::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(12, 14, 56, 0) 30%, rgba(12, 14, 56, .88) 100%);
}
.vv-dest:hover img { transform: scale(1.05); }
.vv-dest-body { padding: 1.125rem; width: 100%; }
.vv-dest-route {
  font-family: var(--vv-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--vv-amber);
  font-weight: 700;
  text-transform: uppercase;
}
.vv-dest-city { font-size: 1.25rem; font-weight: 800; margin: .125rem 0 .25rem; color: #fff; }
.vv-dest-note { font-size: .8125rem; color: rgba(255, 255, 255, .78); margin: 0; }

/* ------------------------------------------------------- lý do / bước */
.vv-reason {
  background: #fff;
  border: 1px solid var(--vv-line);
  border-radius: 1rem;
  padding: 1.25rem;
  height: 100%;
}
.vv-reason i {
  font-size: 1.5rem;
  color: var(--vv-orange);
  display: block;
  margin-bottom: .625rem;
}
.vv-reason h3 { font-size: 1rem; margin-bottom: .375rem; }
.vv-reason p { font-size: .875rem; color: var(--vv-muted); margin: 0; line-height: 1.6; }

.vv-flow { counter-reset: vvstep; display: grid; gap: 1rem; }
@media (min-width: 768px) { .vv-flow { grid-template-columns: repeat(4, 1fr); } }
.vv-flow-item {
  position: relative;
  padding-top: 2.25rem;
  border-top: 2px solid var(--vv-line);
}
.vv-flow-item::before {
  counter-increment: vvstep;
  content: counter(vvstep, decimal-leading-zero);
  position: absolute;
  top: -.9rem;
  left: 0;
  font-family: var(--vv-mono);
  font-size: .75rem;
  font-weight: 700;
  color: var(--vv-orange);
  background: var(--vv-paper);
  padding-right: .5rem;
}
.vv-flow-item h3 { font-size: .9375rem; margin-bottom: .375rem; }
.vv-flow-item p { font-size: .8125rem; color: var(--vv-muted); margin: 0; line-height: 1.6; }

/* ----------------------------------------------------------- FAQ */
.vv-faq { border-top: 1px solid var(--vv-line); }
.vv-faq details {
  border-bottom: 1px solid var(--vv-line);
  padding: 1rem 0;
}
.vv-faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: .9375rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.vv-faq summary::-webkit-details-marker { display: none; }
.vv-faq summary::after {
  content: "+";
  font-family: var(--vv-mono);
  color: var(--vv-orange);
  font-size: 1.25rem;
  line-height: 1;
}
.vv-faq details[open] summary::after { content: "–"; }
.vv-faq p {
  margin: .75rem 0 0;
  font-size: .875rem;
  color: var(--vv-muted);
  line-height: 1.7;
  max-width: 72ch;
}

/* -------------------------------------------------------- liên hệ */
.vv-contact-card {
  background: var(--vv-ink);
  color: #fff;
  border-radius: 1.25rem;
  padding: 1.75rem;
}
.vv-contact-card h2 { color: #fff; }
.vv-contact-list { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: 1rem; }
.vv-contact-list li { display: flex; gap: .75rem; align-items: flex-start; }
.vv-contact-list i { color: var(--vv-amber); font-size: 1.125rem; margin-top: .125rem; }
.vv-contact-list a { color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .3); }
.vv-contact-list a:hover { color: var(--vv-amber); border-bottom-color: var(--vv-amber); }
.vv-contact-label {
  display: block;
  font-family: var(--vv-mono);
  font-size: .625rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: .125rem;
}

/* --------------------------------------------------------- footer */
.vv-footer {
  background: var(--vv-ink-deep);
  color: rgba(255, 255, 255, .7);
  padding: 2.5rem 0 1.5rem;
  font-size: .875rem;
}
.vv-footer h4 {
  color: #fff;
  font-size: .75rem;
  font-family: var(--vv-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: .875rem;
  font-weight: 700;
}
.vv-footer a { color: rgba(255, 255, 255, .7); }
.vv-footer a:hover { color: var(--vv-amber); }
.vv-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.vv-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  margin-top: 2rem;
  padding-top: 1.25rem;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .5);
}
.vv-footer .vv-mark-lg { margin-bottom: .875rem; }
.vv-footer-word { font-size: 1.125rem; font-weight: 800; color: #fff; letter-spacing: -.02em; }

/* nút WhatsApp nổi (mobile) */
.vv-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1040;
  background: #25d366;
  color: #fff;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 10px 24px -8px rgba(37, 211, 102, .8);
}
.vv-fab:hover { color: #fff; filter: brightness(1.05); }

@media (prefers-reduced-motion: reduce) {
  .vv *, .vv *::before, .vv *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}