/* Homepage components (studio positioning, 2026-10-08). Builds on styles.css tokens. */

/* English is the default: hide Vietnamese copy until script.js applies a language. */
html:not([data-lang-active]) [data-lang="vi"] { display: none; }

section[id] { scroll-margin-top: 88px; }
.section-head .section-label { justify-self: start; }
.contact-strip-copy .section-label { width: fit-content; margin-bottom: 0.8rem; }
.hero-clean-copy .hero-title { max-width: 20ch; }
.hero-clean-copy .eyebrow { color: var(--color-text-muted); }
.section-head .section-title { max-width: none; }

.pillar-grid,
.product-grid {
  display: grid;
  gap: 16px;
}
.pillar-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.pillar-card,
.product-card,
.about-card {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-soft);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.pillar-card h3,
.product-card h3 { margin: 0; font-size: 1.15rem; }
.pillar-card p,
.product-card p,
.about-card p { margin: 0; color: var(--color-text-muted); }

.status-chip {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
}
.status-chip--live { background: var(--color-brand-soft); color: var(--color-brand-deep); }
.status-chip--building { background: var(--color-warm-soft); color: #8a5a1f; }

.product-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.product-category { font-size: 0.82rem; color: var(--color-text-muted); font-weight: 600; }
.product-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 0.4rem; }
.product-links .btn { min-height: 42px; padding: 0.55rem 1.1rem; }
.product-note { font-size: 0.85rem; color: var(--color-text-muted); }

.ai-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.ai-copy p { color: var(--color-text-muted); max-width: 60ch; }
.ai-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.ai-flow li {
  position: relative;
  border: 1px solid var(--color-border);
  background: var(--color-surface-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-weight: 600;
}
.ai-flow li + li::before {
  content: "↓";
  content: "↓" / "";
  position: absolute;
  top: -21px;
  left: 1rem;
  line-height: 1;
  color: var(--color-text-muted);
  font-weight: 700;
}
.ai-flow li.ai-flow-ai { background: var(--color-brand-soft); color: var(--color-brand-deep); }
.ai-quote {
  margin: 1.2rem 0 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--color-brand);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}
.about-facts div { border-top: 1px solid var(--color-border-strong); padding-top: 0.6rem; }
.about-facts dt { font-size: 0.78rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); }
.about-facts dd { margin: 0.2rem 0 0; font-weight: 700; }
.about-facts a { text-decoration: underline; }

@media (max-width: 1024px) {
  .pillar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .pillar-grid,
  .product-grid,
  .ai-layout,
  .about-facts { grid-template-columns: 1fr; }
}