/* ============================================================
   Thế Giới Di Động concept — scoped under [data-site="thegioididong"]
   Fingerprint: category mega bar · promo deal wall split · retail
   bold bargain · product card autofit · promo strip dense ·
   rounded ticket chip · snappy commerce
   ============================================================ */

[data-site="thegioididong"] {
  --tg-canvas: #ffffff;
  --tg-surface: #fffbef;
  --tg-text: #111111;
  --tg-muted: #565656;
  --tg-brand: #f5b301;
  --tg-brand-deep: #c78f00;
  --tg-deal: #c81e1e;
  --tg-deal-deep: #9e1414;
  --tg-blue: #0b6bb2;
  --tg-border: #e8e2cf;
  --tg-container: 74rem;
  --tg-t-fast: 130ms;
  --tg-t-base: 220ms;

  font-family: system-ui, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--tg-canvas);
  color: var(--tg-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

[data-site="thegioididong"] *,
[data-site="thegioididong"] *::before,
[data-site="thegioididong"] *::after { box-sizing: border-box; }

[data-site="thegioididong"] h1,
[data-site="thegioididong"] h2,
[data-site="thegioididong"] h3 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
}

[data-site="thegioididong"] p { margin: 0 0 1em; }
[data-site="thegioididong"] ul, [data-site="thegioididong"] ol { margin: 0; padding: 0; list-style: none; }
[data-site="thegioididong"] a { color: var(--tg-blue); }
[data-site="thegioididong"] svg { max-width: 100%; }

[data-site="thegioididong"] :focus-visible {
  outline: 3px solid var(--tg-blue);
  outline-offset: 3px;
  border-radius: 6px;
}

[data-site="thegioididong"] .visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

[data-site="thegioididong"] .skip {
  position: absolute;
  left: 1rem; top: -4rem;
  background: #111;
  color: #fff;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  z-index: 100;
  text-decoration: none;
  transition: top var(--tg-t-fast) ease;
}
[data-site="thegioididong"] .skip:focus { top: 1rem; }

[data-site="thegioididong"] .container {
  width: min(100% - 2.5rem, var(--tg-container));
  margin-inline: auto;
}

/* ---------- concept strip ---------- */
[data-site="thegioididong"] .concept-strip {
  background: #111;
  color: #e9e9e9;
  font-size: 0.8rem;
  padding: 0.55rem 1rem;
  text-align: center;
}
[data-site="thegioididong"] .concept-tag {
  display: inline-block;
  background: var(--tg-brand);
  color: #111;
  font-weight: 800;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  padding: 0.12rem 0.6rem;
  margin-right: 0.5rem;
  vertical-align: 1px;
}

/* ---------- header ---------- */
[data-site="thegioididong"] .site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 3px solid var(--tg-brand);
}
[data-site="thegioididong"] .header-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.7rem 0;
}
[data-site="thegioididong"] .brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: #111;
}
[data-site="thegioididong"] .brand-glyph {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  background: var(--tg-brand);
  border-radius: 12px;
  color: #111;
}
[data-site="thegioididong"] .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
[data-site="thegioididong"] .brand-name {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}
[data-site="thegioididong"] .brand-sub {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a6600;
}
[data-site="thegioididong"] .cat-nav { margin-left: auto; }
[data-site="thegioididong"] .cat-nav ul { display: flex; gap: 0.15rem; flex-wrap: wrap; }
[data-site="thegioididong"] .cat-nav a {
  display: block;
  text-decoration: none;
  color: #111;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  transition: background var(--tg-t-fast) ease;
}
[data-site="thegioididong"] .cat-nav a:hover { background: var(--tg-surface); }
[data-site="thegioididong"] .header-cta {
  text-decoration: none;
  font-weight: 800;
  font-size: 0.86rem;
  color: #fff;
  background: #111;
  padding: 0.6rem 1.05rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: background var(--tg-t-fast) ease, transform var(--tg-t-fast) ease;
}
[data-site="thegioididong"] .header-cta:hover { background: var(--tg-deal-deep); transform: translateY(-1px); }

[data-site="thegioididong"] .nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  margin-left: auto;
}
[data-site="thegioididong"] .nav-toggle span {
  width: 24px; height: 3px;
  background: #111;
}

/* ---------- hero ---------- */
[data-site="thegioididong"] .hero { padding: 3.5rem 0 0; background: linear-gradient(180deg, #fff 0%, var(--tg-surface) 100%); }
[data-site="thegioididong"] .hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}
[data-site="thegioididong"] .eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  color: var(--tg-brand-deep);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
[data-site="thegioididong"] .eyebrow-dark { color: #444; }
[data-site="thegioididong"] .chip {
  background: #111;
  color: #fff;
  padding: 0.18rem 0.7rem;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}
[data-site="thegioididong"] .hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  margin-bottom: 0.4em;
}
[data-site="thegioididong"] .hero h1 em { font-style: normal; color: var(--tg-brand-deep); }
[data-site="thegioididong"] .lede {
  font-size: 1.05rem;
  color: var(--tg-muted);
  max-width: 42rem;
}
[data-site="thegioididong"] .hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1.5rem 0 1.6rem; }
[data-site="thegioididong"] .btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 800;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  transition: transform var(--tg-t-fast) ease, background var(--tg-t-fast) ease, border-color var(--tg-t-fast) ease;
}
[data-site="thegioididong"] .btn-dark { background: #111; color: #fff; }
[data-site="thegioididong"] .btn-dark:hover { background: #000; transform: translateY(-2px); }
[data-site="thegioididong"] .btn-outline { color: #111; border: 2px solid #111; background: #fff; }
[data-site="thegioididong"] .btn-outline:hover { border-color: var(--tg-brand-deep); color: var(--tg-brand-deep); }
[data-site="thegioididong"] .btn-lg { padding: 1rem 2rem; font-size: 1.02rem; }

[data-site="thegioididong"] .deal-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
[data-site="thegioididong"] .deal-chips li {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--tg-deal-deep);
  background: #fff;
  border: 1.5px dashed var(--tg-deal);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
}
[data-site="thegioididong"] .hero-art svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 30px 50px -34px rgba(17, 17, 17, 0.5);
}

/* deal strip */
[data-site="thegioididong"] .deal-strip {
  margin-top: 2.5rem;
  background: #111;
  color: #f4f4f4;
}
[data-site="thegioididong"] .deal-strip-inner {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  padding: 0.7rem 0;
  font-size: 0.88rem;
  font-weight: 600;
}
[data-site="thegioididong"] .deal-strip-label {
  background: var(--tg-brand);
  color: #111;
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.8rem;
  border-radius: 6px;
}
[data-site="thegioididong"] .deal-strip .dot { color: var(--tg-brand); }

/* ---------- metrics ---------- */
[data-site="thegioididong"] .metrics { padding: 2.75rem 0; }
[data-site="thegioididong"] .metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
[data-site="thegioididong"] .metric {
  background: #111;
  color: #fff;
  border-radius: 18px;
  padding: 1.5rem 1.35rem;
}
[data-site="thegioididong"] .metric:nth-child(2) { background: var(--tg-deal-deep); }
[data-site="thegioididong"] .metric:nth-child(3) { background: var(--tg-brand); color: #111; }
[data-site="thegioididong"] .metric:nth-child(4) { background: var(--tg-blue); }
[data-site="thegioididong"] .metric-value {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}
[data-site="thegioididong"] .metric-label { font-size: 0.86rem; opacity: 0.92; }

/* ---------- sections ---------- */
[data-site="thegioididong"] .section { padding: 4rem 0; }
[data-site="thegioididong"] .section-head { max-width: 44rem; margin-bottom: 2rem; }
[data-site="thegioididong"] .section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
[data-site="thegioididong"] .section-note { color: var(--tg-muted); }

/* category */
[data-site="thegioididong"] .category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11.5rem, 1fr));
  gap: 0.9rem;
}
[data-site="thegioididong"] .category-grid li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: #fff;
  border: 1.5px solid var(--tg-border);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: border-color var(--tg-t-fast) ease, transform var(--tg-t-fast) ease;
}
[data-site="thegioididong"] .category-grid li:hover { border-color: #111; transform: translateY(-2px); }
[data-site="thegioididong"] .category-grid span { font-size: 1.3rem; }

/* ecosystem */
[data-site="thegioididong"] .eco { background: #101010; color: #f4f4f4; }
[data-site="thegioididong"] .eco .eyebrow { color: var(--tg-brand); }
[data-site="thegioididong"] .eco .section-note { color: #b9b9b9; }
[data-site="thegioididong"] .eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
[data-site="thegioididong"] .eco-card { background: #101010; padding: 1.5rem 1.35rem; }
[data-site="thegioididong"] .eco-year {
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--tg-brand);
}
[data-site="thegioididong"] .eco-card h3 { color: #fff; font-size: 1.08rem; margin: 0.3em 0 0.35em; }
[data-site="thegioididong"] .eco-card p { margin: 0; color: #b9b9b9; font-size: 0.9rem; }

/* history */
[data-site="thegioididong"] .hist-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
[data-site="thegioididong"] .hist-steps li {
  background: var(--tg-surface);
  border-radius: 18px;
  padding: 1.4rem 1.3rem;
  border-top: 5px solid var(--tg-brand);
}
[data-site="thegioididong"] .h-year {
  font-size: 1.6rem;
  font-weight: 900;
  color: #111;
  display: block;
  line-height: 1.1;
}
[data-site="thegioididong"] .hist-steps p { margin: 0.4em 0 0; color: var(--tg-muted); font-size: 0.92rem; }

/* vision + values */
[data-site="thegioididong"] .vision {
  background: var(--tg-surface);
  padding: 4rem 0;
}
[data-site="thegioididong"] .vision-quote { margin: 0 0 2.25rem; text-align: center; }
[data-site="thegioididong"] .vision-quote p {
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  font-weight: 900;
  line-height: 1.35;
  max-width: 52rem;
  margin-inline: auto;
  color: #111;
}
[data-site="thegioididong"] .vision-quote figcaption {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8a6600;
}
[data-site="thegioididong"] .value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}
[data-site="thegioididong"] .value-grid li {
  background: #fff;
  border: 1.5px solid var(--tg-border);
  border-radius: 16px;
  padding: 1.25rem 1.3rem;
  font-size: 0.92rem;
  color: var(--tg-muted);
}
[data-site="thegioididong"] .value-grid strong {
  display: block;
  color: #111;
  font-size: 1.02rem;
  margin-bottom: 0.3em;
}

/* support */
[data-site="thegioididong"] .support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
[data-site="thegioididong"] .support-card {
  background: #111;
  color: #fff;
  border-radius: 18px;
  padding: 1.7rem 1.5rem;
  display: grid;
  gap: 0.3rem;
}
[data-site="thegioididong"] .s-label {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tg-brand);
}
[data-site="thegioididong"] .s-number { font-size: 1.7rem; font-weight: 900; letter-spacing: 0.01em; }
[data-site="thegioididong"] .s-hours { color: #b9b9b9; font-size: 0.88rem; }
[data-site="thegioididong"] .route-note { margin-top: 1.25rem; color: var(--tg-muted); font-size: 0.92rem; }

/* cta */
[data-site="thegioididong"] .cta { padding: 4rem 0 4.5rem; }
[data-site="thegioididong"] .cta-inner { text-align: center; }
[data-site="thegioididong"] .cta-inner h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
[data-site="thegioididong"] .cta-inner p { color: var(--tg-muted); }

/* footer */
[data-site="thegioididong"] .site-footer {
  background: #0d0d0d;
  color: #c9c9c9;
  padding: 3.25rem 0 2rem;
}
[data-site="thegioididong"] .footer-brand { display: flex; align-items: baseline; gap: 0.8rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
[data-site="thegioididong"] .f-name { color: #fff; font-size: 1.4rem; font-weight: 900; }
[data-site="thegioididong"] .f-sub {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tg-brand);
}
[data-site="thegioididong"] .footer-nav ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-bottom: 1.6rem; }
[data-site="thegioididong"] .footer-nav a { color: #eee; text-decoration: none; font-size: 0.9rem; font-weight: 600; }
[data-site="thegioididong"] .footer-nav a:hover { color: var(--tg-brand); }
[data-site="thegioididong"] .legal { display: grid; gap: 0.6rem; margin: 0 0 1.6rem; max-width: 46rem; }
[data-site="thegioididong"] .legal div { display: grid; grid-template-columns: 12rem 1fr; gap: 0.75rem; }
[data-site="thegioididong"] .legal dt {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tg-brand);
}
[data-site="thegioididong"] .legal dd { margin: 0; font-size: 0.9rem; }
[data-site="thegioididong"] .disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1.4rem;
  font-size: 0.82rem;
  color: #a5a5a5;
  max-width: 60rem;
}
[data-site="thegioididong"] .colophon { font-size: 0.75rem; color: #7d7d7d; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  [data-site="thegioididong"] .hero-grid { grid-template-columns: 1fr; }
  [data-site="thegioididong"] .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  [data-site="thegioididong"] .eco-grid { grid-template-columns: repeat(2, 1fr); }
  [data-site="thegioididong"] .hist-steps { grid-template-columns: repeat(2, 1fr); }
  [data-site="thegioididong"] .value-grid { grid-template-columns: repeat(2, 1fr); }
  [data-site="thegioididong"] .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  [data-site="thegioididong"] .nav-toggle { display: flex; }
  [data-site="thegioididong"] .cat-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    border-bottom: 3px solid var(--tg-brand);
    padding: 0.75rem 1.25rem 1.25rem;
  }
  [data-site="thegioididong"] .cat-nav.is-open { display: block; }
  [data-site="thegioididong"] .cat-nav ul { flex-direction: column; gap: 0.25rem; }
  [data-site="thegioididong"] .header-cta { display: none; }
}

@media (max-width: 520px) {
  [data-site="thegioididong"] .metrics-grid,
  [data-site="thegioididong"] .eco-grid,
  [data-site="thegioididong"] .hist-steps,
  [data-site="thegioididong"] .value-grid { grid-template-columns: 1fr; }
  [data-site="thegioididong"] .section { padding: 3rem 0; }
  [data-site="thegioididong"] .legal div { grid-template-columns: 1fr; }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  [data-site="thegioididong"] * {
    animation: none !important;
    transition: none !important;
  }
}