/* giang-vien.css — Trang người đứng lớp AI@Work (Phần 1: Hero & Hai thẻ giảng viên).
   Mọi màu qua biến tokens.css. Bội số khoảng cách là 4. Viền 1px. */
*, *::before, *::after { box-sizing: border-box; }
.gv-hero {
  padding: 48px 0 80px; text-align: center;
  border-bottom: 1px solid var(--vien);
}
.gv-hero__tieu-de {
  font-family: var(--phong-tieu-de); font-size: var(--co-khoi);
  line-height: var(--dong-khoi); margin: 0 0 16px; color: var(--chu);
}
.gv-hero__dan {
  font-size: var(--co-van); line-height: var(--dong-van);
  color: var(--chu-phu); max-width: 60ch; margin: 0 auto;
}
.gv-hero__dinh-vi {
  font-size: var(--co-van); line-height: var(--dong-van);
  color: var(--chu); font-weight: 500; max-width: 60ch; margin: 8px auto 0;
}
.gv-luoi {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px;
  max-width: 1080px; margin: 48px auto 0; align-items: stretch;
}
.the-gv {
  background: var(--nen-phu); border: 1px solid var(--vien);
  border-radius: var(--bo-goc); padding: 36px 28px;
  display: flex; flex-direction: column; text-align: left;
}
.the-gv__anh-boc {
  display: block; margin: 0 auto 20px; width: 240px;
  max-width: 100%; aspect-ratio: 4/5;
}
.the-gv__anh {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 12px; border: 1px solid var(--vien); display: block;
}
.the-gv__ten {
  font-family: var(--phong-tieu-de); font-size: 26px; line-height: 1.25;
  font-weight: 700; color: var(--chu); margin: 0 0 8px; text-align: center;
}
.the-gv__vai {
  font-size: 15px; line-height: 1.5; color: var(--vang);
  margin: 0 0 20px; text-align: center;
  min-height: 48px; display: flex; align-items: center; justify-content: center;
}
.the-gv__so-luoi {
  display: grid; gap: 8px; background: var(--nen);
  border: 1px solid var(--vien); border-radius: 12px;
  padding: 16px 8px; margin: 0 0 28px; text-align: center;
}
.the-gv__so-luoi--3 { grid-template-columns: repeat(3, 1fr); }
.the-gv__so-luoi--4 { grid-template-columns: repeat(4, 1fr); }
.the-gv__so-o {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.the-gv__so {
  font-family: var(--phong-tieu-de); font-size: 24px; line-height: 1.15;
  font-weight: 700; color: var(--vang-sang); display: block; white-space: nowrap;
}
.the-gv__nhan {
  font-family: var(--phong); font-size: 12px; line-height: 1.5;
  color: var(--chu-phu); white-space: nowrap; display: block; margin-top: 4px;
}
.the-gv__nhom { margin-bottom: 24px; }
.the-gv__nhom:first-of-type { flex: 1; }
.the-gv__nhom:last-child { margin-bottom: 0; }
.the-gv__nhan-nhom {
  font-family: var(--phong); font-size: 12px; font-weight: 700;
  line-height: 1.5; color: var(--vang); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 12px; white-space: nowrap;
}
.the-gv__ds {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.the-gv__muc {
  position: relative; padding-left: 16px;
  font-size: 15px; line-height: 1.55; color: var(--chu);
}
.the-gv__muc::before {
  content: "•"; position: absolute; left: 0; top: 0;
  color: var(--vang); font-size: 16px; line-height: 1.55;
}
@media (max-width: 768px) {
  .nav { overflow: hidden; }
  .nav__wrap {
    height: auto; min-height: 56px; padding: 8px 16px;
    gap: 8px; flex-wrap: wrap; justify-content: space-between;
  }
  .nav__logo img { height: 32px; width: auto; }
  .nav__links {
    display: flex; gap: 8px; width: 100%; order: 3;
    overflow-x: auto; padding: 4px 0 8px; scrollbar-width: none;
  }
  .nav__links::-webkit-scrollbar { display: none; }
  .nav__links a {
    white-space: nowrap; font-size: 14px; padding: 0 12px;
    background: var(--nen-phu); border-radius: 8px;
    border: 1px solid var(--vien); min-height: 44px; display: inline-flex; align-items: center;
  }
  .gv-hero { padding: 32px 0 64px; }
  .gv-luoi { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .the-gv { padding: 24px 16px; }
  .the-gv__anh-boc { width: 200px; }
  .the-gv__so-luoi { grid-template-columns: 1fr; gap: 12px; padding: 16px; }
  .the-gv__so-o {
    flex-direction: row; justify-content: flex-start; gap: 16px; text-align: left;
  }
}