*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Segoe UI',sans-serif;
}

/* ===== BODY ===== */
body{
  background:url('../images/background/sups.webp')
  center/cover no-repeat fixed;
  color:#fff;
}

.overlay{
  background:rgba(0,0,0,.35);
  min-height:100vh;
}

/* ===== Css Logo ====== */
.logo {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 9999;
}

.logo img {
  width: 70px;      /* chỉnh nhỏ / to ở đây */
  height: auto;
}


/* ===== CONTAINER ===== */
.container{
  max-width:1100px;
  margin:auto;
  padding:60px 20px;
}

/* ===== HERO ===== */
.hero{
  text-align:center;
  margin-bottom:60px;
}
.hero h1{
  font-size:48px;
}
.hero p{
  opacity:.9;
  margin-top:10px;
}

/* ===== GLASS BOX ===== */
.glass{
  background:rgba(0,0,0,.55);
  backdrop-filter:blur(18px);
  border-radius:28px;
  padding:40px;
  box-shadow:0 25px 60px rgba(0,0,0,.7);
  margin-bottom:35px;
  animation:fadeUp .8s ease;
}

/* ===== CARD (TRONG SUỐT) ===== */
.card{
  background:rgba(255,255,255,0.06);
  backdrop-filter:blur(10px);
  border-radius:22px;
  padding:28px;
  text-align:center;
  transition:.4s;
}
.card:hover{
  transform:translateY(-8px);
  background:rgba(255,255,255,0.12);
}

/* ===== ANIMATION ===== */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(40px);}
  to{opacity:1;transform:translateY(0);}
}

/* ===== TITLES ===== */
.section-title{
  font-size:30px;
  margin-bottom:15px;
}
.section-sub{
  opacity:.9;
  line-height:1.7;
}

/* ===== GRID ===== */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:25px;
  margin-top:25px;
}

/* ===== CARD TEXT ===== */
.card h3{
  margin-bottom:10px;
  color:#ffd369;
}
.card p{
  font-size:15px;
  line-height:1.6;
}

/* ===== TEAM ===== */
.team{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:25px;
  margin-top:25px;
}
.member{
  text-align:center;
}
.member img{
  width:100%;
  height:240px;
  object-fit:cover;
  border-radius:22px;
  margin-bottom:12px;
}
.member h4{
  margin-bottom:6px;
}

/* ===== SOCIAL ICONS ===== */
.social{
  display:flex;
  justify-content:center;
  gap:18px;
  margin-top:30px;
}
.social a{
  width:46px;
  height:46px;
  border-radius:50%;
  background:rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:20px;
  transition:.35s;
}
.social a:hover{
  background:#ffd369;
  color:#000;
  transform:translateY(-5px);
}

/* ===== BUTTONS ===== */
.buttons{
  display:flex;
  justify-content:center;
  gap:15px;
  margin-top:35px;
}
.btn{
  padding:12px 32px;
  border-radius:30px;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
}
.btn-primary{
  background:#ffd369;
  color:#000;
}
.btn-outline{
  border:1px solid #fff;
  color:#fff;
}

/* ===== FOOTER ===== */
footer{
  text-align:center;
  margin-top:60px;
  opacity:.7;
}

/* ===== MOBILE ===== */
@media(max-width:600px){
.hero h1{
  font-size:34px;
}
.glass{
  padding:28px;
}

   /* ===== Css Logo ====== */
.logo {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 9999;
}

.logo img {
  width: 50px;      /* chỉnh nhỏ / to ở đây */
  height: auto;
}
}