/* ===== GLOBAL ===== */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:'Segoe UI', Arial, sans-serif;
  background:linear-gradient(135deg,#061a33,#020d1a);
  color:#fff;
  overflow-x:hidden;
}

/* ===== HEADER ===== */
.header{
  position:sticky;
  top:0;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(8px);
  box-shadow:0 4px 25px rgba(0,0,0,0.2);
  z-index:999;
}

.header-inner{
  max-width:1300px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 20px;
  flex-wrap:wrap;
}

.logo img{
  height:55px;
  transition:.3s;
}

.logo img:hover{
  transform:scale(1.05);
}

/* ===== MENU ===== */
.menu{
  display:flex;
  gap:30px;
  align-items:center;
}

.menu a{
  text-decoration:none;
  color:#021326;
  font-weight:600;
  position:relative;
}

.menu a::after{
  content:"";
  position:absolute;
  width:0%;
  height:2px;
  background:#0066ff;
  bottom:-5px;
  left:0;
  transition:.3s;
}

.menu a:hover::after{
  width:100%;
}

.menu a.cta{
  background:linear-gradient(45deg,#0066ff,#00c3ff);
  color:white;
  padding:8px 18px;
  border-radius:25px;
}

.menu-btn{
  display:none;
  font-size:28px;
  cursor:pointer;
}

/* ===== RIGHT ===== */
.right-box{
  display:flex;
  gap:10px;
  align-items:center;
}

.live{
  background:#ff0033;
  padding:6px 14px;
  border-radius:20px;
  font-size:14px;
  animation:pulse 1.5s infinite;
}

@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,0,51,0.6);}
  70%{box-shadow:0 0 0 10px rgba(255,0,51,0);}
  100%{box-shadow:0 0 0 0 rgba(255,0,51,0);}
}

/* WHATSAPP DESKTOP ONLY */
.whatsapp-btn{
  background:#25D366;
  padding:7px 16px;
  border-radius:20px;
  color:white;
  text-decoration:none;
  font-size:14px;
}

/* ===== HERO ===== */
.hero{
  position:relative;
  height:650px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  text-align:center;
}

.hero video{
  position:absolute;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:-2;
}

.hero::after{
  content:"";
  position:absolute;
  width:100%;
  height:100%;
  background:rgba(0,0,0,.7);
  z-index:-1;
}

.hero h1{
  font-size:60px;
}

.hero p{
  font-size:20px;
  color:#ddd;
}

.live-stream{
  margin-top:20px;
  background:red;
  padding:12px 30px;
  border-radius:30px;
  text-decoration:none;
  color:white;
}

/* ===== SECTION ===== */
.section{
  padding:80px 6%;
}

.section h2{
  text-align:center;
  font-size:36px;
  margin-bottom:40px;
}

/* ===== CARDS ===== */
.teams,.students{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:25px;
}

.team,.student{
  background:#0f2744;
  padding:25px;
  border-radius:15px;
  text-align:center;
  transition:.3s;
}

.team:hover,
.student:hover{
  transform:translateY(-8px);
}

/* ===================================================== */
/* ===== PREMIUM SPONSOR LAYOUT (FINAL FIXED) ===== */
/* ===================================================== */

.sponsor-layout{
  display:grid;
  grid-template-columns:1fr 1.5fr 1fr;
  align-items:center;
  gap:50px;
  margin-top:50px;
}

/* SIDE (LEFT + RIGHT) */
.sponsor-side{
  text-align:center;
}

.sponsor-side h3{
  margin-bottom:15px;
  color:#aaa;
  font-size:16px;
}

/* CENTER */
.sponsor-center{
  text-align:center;
}

.sponsor-center h3{
  margin-bottom:20px;
  color:#00e5ff;
  font-size:22px;
}

/* CARD */
.sponsor-card{
  background:#0f2744;
  border-radius:15px;
  padding:25px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:.3s;
}

/* TITLE BIG */
.sponsor-card.big{
  padding:35px;
  transform:scale(1.1);
  box-shadow:0 15px 40px rgba(0,229,255,0.25);
}

/* SIDE SMALL */
.sponsor-card.small{
  opacity:.85;
}

/* IMAGE */
.sponsor-card img{
  width:100%;
  max-width:180px;
  height:80px;
  object-fit:contain;
}

/* HOVER */
.sponsor-card:hover{
  transform:translateY(-8px) scale(1.05);
}

/* ===== OPTIONAL SLIDER BELOW ===== */
.sponsor-slider{
  overflow:hidden;
  margin-top:60px;
}

.sponsor-track{
  display:flex;
  gap:40px;
  animation:scroll 20s linear infinite;
}

.sponsor-track img{
  width:140px;
  opacity:.7;
}

@keyframes scroll{
  0%{transform:translateX(0);}
  100%{transform:translateX(-50%);}
}

/* ===== FOOTER ===== */
.footer{
  background:linear-gradient(135deg,#020d1a,#061a33);
  padding:60px 6% 20px;
}

.footer-container{
  max-width:1300px;
  margin:auto;
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
}

.footer-col h3{
  margin-bottom:15px;
}

.footer-links{
  list-style:none;
}

.footer-links li{
  margin-bottom:10px;
}

.footer-links a{
  color:#aaa;
  text-decoration:none;
}

.footer-links a:hover{
  color:#00e5ff;
}

/* SOCIAL */
.social-icons{
  display:flex;
  gap:15px;
}

.social-icons a{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#0f2744;
  border-radius:50%;
  color:white;
}

.social-icons a:hover{
  background:#00e5ff;
  color:#000;
}

/* FOOTER BOTTOM */
.footer-bottom{
  text-align:center;
  margin-top:40px;
  font-size:13px;
  color:#aaa;
}

/* ===== STICKY ===== */
.sticky-bar{
  position:fixed;
  bottom:0;
  width:100%;
  display:none;
  z-index:9999;
}

.sticky-inner{
  display:flex;
}

.sticky-btn{
  flex:1;
  padding:14px;
  text-align:center;
  color:white;
  font-weight:bold;
}

.whatsapp-sticky{background:#25D366;}
.register-sticky{background:#0066ff;}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){

.menu-btn{display:block;}

.menu{
  display:none;
  flex-direction:column;
  width:100%;
  background:white;
  padding:15px;
}

.menu.show{display:flex;}

.whatsapp-btn{display:none;}

.teams,.students{
  grid-template-columns:repeat(2,1fr);
}

/* STACK SPONSORS */
.sponsor-layout{
  grid-template-columns:1fr;
  gap:30px;
}

.sponsor-card.big{
  transform:scale(1);
}

.footer-container{
  grid-template-columns:1fr;
  text-align:center;
}

.social-icons{
  justify-content:center;
}
}

@media(max-width:500px){
.teams,.students{grid-template-columns:1fr;}
.hero h1{font-size:28px;}
}

@media(max-width:768px){
.sticky-bar{display:block;}
body{padding-bottom:65px;}
}