/*
  Giới thiệu (B2B - Phúc Long)
  Scope trong #pt-about để KHÔNG ảnh hưởng header/footer.
*/

#pt-about{
  --pt-text:#111;
  --pt-muted:rgba(17,17,17,.72);
  --pt-border:rgba(0,0,0,.08);
  --pt-card:#fff;
  --pt-bg:#fff;
  --pt-soft:#f7f3ec;
}

#pt-about,
#pt-about *{ box-sizing:border-box; }

#pt-about .pt-container{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
}

#pt-about .pt-section{ padding:72px 0; }
#pt-about .pt-section + .pt-section{ border-top:1px solid rgba(0,0,0,.06); }

/* Typography */
#pt-about .pt-h1{
  font-size:clamp(34px, 3.6vw, 54px);
  line-height:1.06;
  letter-spacing:-.03em;
  margin:0 0 14px;
  color:var(--pt-text);
}

#pt-about .pt-h2{
  font-size:clamp(26px, 2.6vw, 36px);
  line-height:1.12;
  letter-spacing:-.02em;
  margin:0 0 14px;
  color:var(--pt-text);
}

/* Kicker (dòng nhấn mạnh) */
#pt-about .pt-kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  background:var(--pt-soft);
  border:1px solid rgba(0,0,0,.05);
  color:rgba(17,17,17,.85);
  font-weight:600;
  font-size:13px;
  margin:0 0 12px;
}

#pt-about .pt-tagline{
  margin:0 0 12px;
  font-weight:700;
  color:rgba(17,17,17,.9);
  font-size:16px;
}

#pt-about .pt-prose{
  color:var(--pt-muted);
  font-size:16px;
  line-height:1.75;
}
#pt-about .pt-prose p{ margin:0 0 10px; }
#pt-about .pt-lead{ margin-top:10px; }

/* Buttons */
#pt-about .pt-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.14);
  text-decoration:none;
  font-weight:700;
  font-size:14px;
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
  will-change:transform;
}
#pt-about .pt-btn:hover{ transform:translateY(-1px); box-shadow:0 8px 20px rgba(0,0,0,.08); }
#pt-about .pt-btn--primary{ background:#111; color:#fff; border-color:#111; }
#pt-about .pt-btn--ghost{ background:transparent; color:#111; }

/* =========================
   HERO
   ========================= */
#pt-about .pt-about__hero{
  background:linear-gradient(180deg, rgba(247,243,236,.9) 0%, rgba(255,255,255,1) 55%);
}

#pt-about .pt-about__heroGrid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:32px;
  align-items:center;
}

/* IMPORTANT: ép thứ tự hiển thị trong hero (kicker luôn dưới H1) */
#pt-about .pt-about__heroText{
  min-width:0;
  display:flex;
  flex-direction:column;
}
#pt-about .pt-about__heroText .pt-h1{ order:1; }
#pt-about .pt-about__heroText .pt-kicker{ order:2; }
#pt-about .pt-about__heroText .pt-tagline{ order:3; }
#pt-about .pt-about__heroText .pt-lead{ order:4; }
#pt-about .pt-about__heroText .pt-about__heroCtas{ order:5; }

#pt-about .pt-about__heroCtas{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}

#pt-about .pt-about__heroMedia{
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--pt-border);
  background:#fff;
  box-shadow:0 14px 38px rgba(0,0,0,.09);
}
#pt-about .pt-about__heroMedia img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  aspect-ratio: 4/3;
}

/* =========================
   BLOCKS
   ========================= */
#pt-about .pt-about__block{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:28px;
  align-items:center;
}
#pt-about .pt-about__block.is-reverse{ grid-template-columns: .95fr 1.05fr; }
#pt-about .pt-about__block.is-reverse .pt-about__content{ order:2; }
#pt-about .pt-about__block.is-reverse .pt-about__media{ order:1; }

#pt-about .pt-about__content{ min-width:0; }

#pt-about .pt-about__media{
  margin:0;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--pt-border);
  background:#fff;
  box-shadow:0 14px 34px rgba(0,0,0,.08);
}
#pt-about .pt-about__media img{
  width:100%;
  display:block;
  object-fit:cover;
  aspect-ratio: 4/3;
}

#pt-about .pt-bullets{
  margin:14px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
#pt-about .pt-bullets li{
  padding-left:18px;
  position:relative;
  color:rgba(17,17,17,.88);
  line-height:1.55;
}
#pt-about .pt-bullets li:before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:8px;
  height:8px;
  border-radius:99px;
  background:rgba(17,17,17,.18);
}

#pt-about .pt-highlight{
  margin-top:14px;
  padding:14px 16px;
  border-radius:16px;
  background:var(--pt-soft);
  border:1px solid rgba(0,0,0,.06);
}
#pt-about .pt-highlight p{ margin:0; }

/* =========================
   CTA
   ========================= */
#pt-about .pt-cta{
  border-radius:26px;
  border:1px solid rgba(0,0,0,.10);
  background:
    linear-gradient(90deg, rgba(17,17,17,.78) 0%, rgba(17,17,17,.58) 55%, rgba(17,17,17,.38) 100%),
    var(--pt-cta-bg, linear-gradient(135deg, rgba(0,0,0,.10), rgba(0,0,0,.04)));
  background-size:cover;
  background-position:center;
  overflow:hidden;
  box-shadow:0 18px 48px rgba(0,0,0,.12);
}
#pt-about .pt-cta__inner{ padding:34px; color:#fff; }
#pt-about .pt-cta__title{ color:#fff; margin:0 0 10px; }
#pt-about .pt-cta__lead{ color:rgba(255,255,255,.88); max-width:70ch; }
#pt-about .pt-cta__btns{ display:flex; flex-wrap:wrap; gap:12px; margin-top:16px; }
#pt-about .pt-cta .pt-btn--ghost{ border-color:rgba(255,255,255,.35); color:#fff; }
#pt-about .pt-cta .pt-btn--ghost:hover{ box-shadow:0 12px 30px rgba(0,0,0,.18); }

/* =========================
   VIDEOS
   ========================= */
#pt-about .pt-about__videos{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
}
#pt-about .pt-video{
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(0,0,0,.10);
  background:#000;
  box-shadow:0 14px 34px rgba(0,0,0,.10);
}
#pt-about .pt-video iframe,
#pt-about .pt-video video{
  display:block;
  width:100%;
  height:100%;
  aspect-ratio: 16/9;
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 980px){
  #pt-about .pt-section{ padding:56px 0; }

  /* Hero -> 1 cột */
  #pt-about .pt-about__heroGrid{ grid-template-columns: 1fr; }
  #pt-about .pt-about__heroMedia img{ aspect-ratio: 16/10; }

  /* Blocks -> 1 cột CHẮC CHẮN (ảnh trên, chữ dưới) */
  #pt-about .pt-about__block{
    grid-template-columns: 1fr !important;
    gap:18px !important;
    align-items:start;
  }
  #pt-about .pt-about__media{ order:1 !important; }
  #pt-about .pt-about__content{ order:2 !important; }

  /* dù là is-reverse cũng không đảo lung tung */
  #pt-about .pt-about__block.is-reverse .pt-about__content,
  #pt-about .pt-about__block.is-reverse .pt-about__media{ order:initial; }
  #pt-about .pt-about__media{ order:1 !important; }
  #pt-about .pt-about__content{ order:2 !important; }

  /* Videos -> 1 cột */
  #pt-about .pt-about__videos{ grid-template-columns: 1fr; }

  #pt-about .pt-cta__inner{ padding:26px; }
}

@media (max-width: 520px){
  #pt-about .pt-container{ width:calc(100% - 28px); }
  #pt-about .pt-cta__inner{ padding:22px; }
}
/* HERO: mặc định desktop = chữ trái, ảnh phải */
#pt-about .pt-about__heroText{ order: 1; }
#pt-about .pt-about__heroMedia{ order: 2; }

/* HERO: mobile = ảnh trước, chữ sau */
@media (max-width: 980px){
  #pt-about .pt-about__heroMedia{ order: 1; }
  #pt-about .pt-about__heroText{ order: 2; }
}