*{margin:0;padding:0;box-sizing:border-box}
:root{
  --orange:#F99B4E;--blue:#303B93;--pink:#ED4D87;--cream:#FAE3BE;--teal:#4DB9CC;
  --bg:#FFF8F0;--dark:#303B93;--purple:#8B5CF6;
}
body{
  font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--dark);min-height:100vh;
  overflow-x:hidden;width:100%;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 10% 20%, rgba(237,77,135,0.05) 0%, transparent 20%),
                    radial-gradient(circle at 90% 80%, rgba(77,185,204,0.05) 0%, transparent 20%);
}
header{
  background:linear-gradient(135deg,var(--pink),var(--orange),var(--teal));
  padding:clamp(20px,4vw,40px) 20px;text-align:center;position:relative;
  border-bottom:6px solid var(--blue);width:100%;
  box-shadow:0 4px 20px rgba(0,0,0,0.15);
}
.logo{
  font-size:clamp(1.4rem,4.5vw,2.8rem);font-weight:900;color:#fff;
  text-shadow:3px 3px 0 var(--blue);letter-spacing:-1px;
}
.tagline{
  color:var(--cream);font-size:clamp(0.8rem,2.2vw,1.1rem);
  margin-top:8px;font-weight:700;
}
.tabs{
  display:flex;background:var(--blue);overflow-x:auto;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
  position:sticky;top:0;z-index:100;width:100%;
  justify-content:flex-start;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;min-width:fit-content;padding:14px 20px;border:none;background:transparent;
  color:var(--cream);font-size:clamp(0.8rem,2vw,1rem);font-weight:700;
  cursor:pointer;border-bottom:4px solid transparent;transition:all 0.3s;
  white-space:nowrap;
}
.tab:hover{background:rgba(255,255,255,0.15);transform:translateY(-1px)}
.tab.active{background:var(--orange);color:#fff;border-bottom-color:var(--pink)}
#tabContent{
  padding:clamp(15px,4vw,60px) clamp(10px,3vw,20px);max-width:1200px;margin:0 auto;
  min-height:60vh;width:100%;
}
.loading-spinner{
  text-align:center;padding:40px;color:var(--blue);font-size:1.2rem;
  animation:pulse 1.5s infinite;
}
@keyframes pulse{0%,100%{opacity:0.4}50%{opacity:1}}
.tab-panel{animation:fadeIn 0.4s ease;width:100%}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.hero{text-align:center;padding:20px 0;width:100%}
.hero h1{
  font-size:clamp(1.5rem,5vw,3rem);font-weight:900;
  background:linear-gradient(90deg,var(--pink),var(--orange),var(--teal));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:15px;word-wrap:break-word;
}
.hero p{font-size:clamp(0.9rem,2.3vw,1.25rem);line-height:1.7;max-width:650px;margin:0 auto 25px;color:#444;padding:0 10px}
.cta{
  display:inline-block;background:var(--pink);color:#fff;padding:14px 32px;
  border-radius:30px;font-weight:800;font-size:1.05rem;text-decoration:none;
  box-shadow:0 4px 20px rgba(237,77,135,0.4);transition:transform 0.2s;
}
.cta:hover{transform:translateY(-3px) scale(1.05);background:var(--orange)}
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:25px;width:100%}
.video-wrap{
  background:#fff;border-radius:20px;overflow:hidden;border:4px solid var(--teal);
  box-shadow:0 8px 30px rgba(0,0,0,0.12);transition:transform 0.3s;width:100%;
  position:relative;
}
.video-wrap::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--pink),var(--orange),var(--teal));
  border-radius:20px 20px 0 0;
}
.video-wrap:hover{transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,0,0,0.18)}
.video-wrap h3{padding:12px 15px;font-size:0.95rem;color:var(--blue);background:var(--cream);word-wrap:break-word}
.video-wrap iframe{width:100%;aspect-ratio:16/9;border:none;display:block}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:25px;width:100%}
.card{
  background:#fff;border-radius:20px;padding:25px;text-align:center;
  border:4px solid var(--orange);box-shadow:0 8px 25px rgba(0,0,0,0.1);transition:transform 0.3s;width:100%;
}
.card:hover{transform:translateY(-5px);border-color:var(--pink);box-shadow:0 12px 35px rgba(0,0,0,0.15)}
.card .icon{font-size:2.8rem;margin-bottom:10px}
.card h3{color:var(--blue);margin-bottom:8px;font-size:1.15rem}
.card p{font-size:0.95rem;line-height:1.6;color:#555}
.social-links{display:flex;justify-content:center;gap:15px;flex-wrap:wrap;margin-top:25px;width:100%}
.social-links a{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;
  border-radius:25px;font-weight:700;color:#fff;text-decoration:none;font-size:0.95rem;
  transition:transform 0.2s;border:3px solid transparent;
}
.social-links a:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(0,0,0,0.2)}
.yt{background:var(--pink);border-color:var(--orange)}
.vr{background:var(--blue);border-color:var(--teal)}
.sp{background:var(--teal);color:var(--dark);border-color:var(--blue)}
.dc{background:var(--purple);border-color:var(--pink)}
.about-content{max-width:700px;margin:0 auto;font-size:1.05rem;line-height:1.8;width:100%}
.about-content h2{color:var(--pink);margin:20px 0 10px;font-size:clamp(1.2rem,4vw,1.5rem)}
.about-content p{margin-bottom:15px;color:#444}
footer{
  background:var(--blue);color:var(--cream);text-align:center;padding:20px;margin-top:40px;width:100%;
}
footer .credit{font-size:0.8rem;opacity:0.7;margin-top:5px}
footer .credit a{color:var(--cream);text-decoration:none}
footer .credit a:hover{text-decoration:underline}
.back-to-top{
  position:fixed;bottom:30px;right:30px;width:50px;height:50px;
  background:linear-gradient(135deg,var(--pink),var(--orange));
  color:#fff;border:none;border-radius:50%;font-size:1.5rem;
  cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,0.3);
  opacity:0;visibility:hidden;transition:all 0.3s;z-index:1000;
  display:flex;align-items:center;justify-content:center;
}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:scale(1.1)}
@media(max-width:768px){
  .tab{padding:12px 16px;font-size:0.85rem}
  .video-grid{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .social-links{flex-direction:column;align-items:center;padding:0 10px}
  .social-links a{width:90%;justify-content:center}
  .back-to-top{bottom:20px;right:20px;width:45px;height:45px;font-size:1.3rem}
}
.stars{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1}
.star{position:absolute;width:5px;height:5px;border-radius:50%;animation:float 5s infinite ease-in-out}
@keyframes float{0%,100%{transform:translateY(0);opacity:0.4}50%{transform:translateY(-15px);opacity:1}}
.text-center{text-align:center}
.mb-20{margin-bottom:20px}
.mb-30{margin-bottom:30px}
@media(max-width:480px){
  .logo{font-size:1.2rem}
  .tagline{font-size:0.75rem}
  #tabContent{padding:15px 8px}
  .card{padding:20px 12px}
  .hero h1{font-size:1.3rem}
  .hero p{font-size:0.85rem;padding:0 5px}
}