/** Trang Về chúng tôi — bố cục khác đối thủ */

.about-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.25rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* ===== Hero ===== */
.about-hero {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
  position: relative;
}

.about-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 3px;
  background: var(--gold);
}

.about-hero__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
}

.about-hero__title {
  margin: 0 0 1.4rem;
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.about-hero__accent {
  color: var(--gold);
  position: relative;
  white-space: nowrap;
}

.about-hero__accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.05em;
  height: 0.18em;
  background: rgba(255, 184, 0, 0.18);
  z-index: -1;
}

.about-hero__lead {
  margin: 0 0 1.8rem;
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}

.about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 580px;
}

.about-hero__stats > div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid rgba(255, 184, 0, 0.35);
}

.about-hero__stats strong {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.about-hero__stats span {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ===== Section title chung ===== */
.about-section-title {
  margin: 0 0 1.5rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  position: relative;
  padding-left: 1rem;
}

.about-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 4px;
  height: 1.05em;
  background: var(--gold);
  border-radius: 2px;
}

.about-section-title--center {
  text-align: center;
  padding-left: 0;
}

.about-section-title--center::before {
  display: none;
}

/* ===== Split: trái rộng / phải hẹp ===== */
.about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}

@media (min-width: 880px) {
  .about-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 3rem;
  }
}

/* Danh sách hàng có số 01-04 (KHÔNG dùng grid 2x2 như đối thủ) */
.about-rows {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-rows li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.1rem;
  padding: 1.1rem 1.2rem 1.25rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
  border-radius: 14px;
  border-left: 3px solid rgba(255, 184, 0, 0.45);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.about-rows li:hover {
  border-color: rgba(255, 184, 0, 0.45);
  background: rgba(255, 184, 0, 0.04);
}

.about-row__index {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  padding-top: 0.1em;
}

.about-rows h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.about-rows p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}

/* Sidebar pillars */
.about-split__side {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.about-pillar {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: 14px;
  padding: 1.2rem 1.3rem 1.35rem;
}

.about-pillar h3 {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.about-pillar p,
.about-pillar li {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

.about-pillar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.about-pillar li {
  position: relative;
  padding-left: 1.1rem;
}

.about-pillar li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

.about-pillar--soft {
  background: rgba(255, 184, 0, 0.05);
  border-color: rgba(255, 184, 0, 0.18);
}

.about-pillar--quote {
  background: linear-gradient(180deg, rgba(255, 184, 0, 0.08), rgba(0, 0, 0, 0.1));
  border-color: rgba(255, 184, 0, 0.28);
  color: var(--text);
}

.about-pillar--quote svg {
  color: var(--gold);
  opacity: 0.65;
  margin-bottom: 0.4rem;
}

.about-pillar--quote p {
  color: var(--text);
  font-style: italic;
  margin-bottom: 0.7rem;
  font-size: 0.95rem;
}

.about-pillar--quote span {
  font-size: 0.78rem;
  color: var(--gold);
  font-weight: 600;
}

/* ===== Roadmap timeline ngang ===== */
.about-roadmap {
  padding: 0 0.5rem;
}

.about-roadmap__sub {
  text-align: center;
  margin: 0 0 2.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.about-roadmap__rail {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.about-roadmap__rail::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 184, 0, 0.5), rgba(255, 184, 0, 0.05));
}

.about-roadmap__rail li {
  position: relative;
  padding: 0.6rem 0 0.6rem 2rem;
}

.about-roadmap__dot {
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid rgba(255, 184, 0, 0.35);
}

.about-roadmap__rail li.is-done .about-roadmap__dot {
  background: var(--gold);
  border-color: var(--gold);
}

.about-roadmap__rail li.is-current .about-roadmap__dot {
  background: #fff;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 184, 0, 0.25);
}

.about-roadmap__rail h4 {
  margin: 0 0 0.3rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.about-roadmap__rail li.is-current h4 {
  color: var(--text);
}

.about-roadmap__rail p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Desktop: timeline NẰM NGANG để khác đối thủ */
@media (min-width: 880px) {
  .about-roadmap__rail {
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    padding-top: 2.5rem;
  }
  .about-roadmap__rail::before {
    left: 0;
    right: 0;
    top: 8px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 184, 0, 0.5), rgba(255, 184, 0, 0.08));
  }
  .about-roadmap__rail li {
    padding: 0 1rem;
    text-align: left;
  }
  .about-roadmap__dot {
    left: 50%;
    top: -1.65rem;
    transform: translateX(-50%);
  }
  .about-roadmap__rail h4,
  .about-roadmap__rail p {
    text-align: left;
  }
}

/* ===== CTA cuối ===== */
.about-cta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.85rem 1.75rem;
  border: 1px solid rgba(255, 184, 0, 0.28);
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.08), rgba(0, 0, 0, 0.05));
  border-radius: 18px;
}

@media (min-width: 720px) {
  .about-cta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.about-cta h2 {
  margin: 0 0 0.45rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.about-cta p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.about-cta__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.about-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.about-cta__btn:hover {
  border-color: rgba(255, 184, 0, 0.55);
  color: var(--gold);
}

.about-cta__btn--primary {
  background: var(--gold);
  color: #121212;
  border-color: var(--gold);
}

.about-cta__btn--primary:hover {
  background: var(--gold-hover);
  border-color: var(--gold-hover);
  color: #121212;
}