@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Poppins:wght@600;700;800&display=swap');

:root{
  --ink:#0b1b2b;
  --ink-soft:#22384d;
  --cyan:#06b6d4;
  --cyan-dark:#0891b2;
  --amber:#f59e0b;
  --amber-dark:#d97706;
  --bg:#f4f9fb;
  --card:#ffffff;
  --border:#dfeaef;
  --success:#16a34a;
  --danger:#dc2626;
  --radius:12px;
  --shadow:0 6px 24px rgba(11,27,43,.08);
  --font-display:'Poppins',sans-serif;
  --font-body:'Hind Siliguri','Segoe UI',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
}
a{color:var(--cyan-dark);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}

.container{max-width:1180px;margin:0 auto;padding:0 20px;}

/* Header */
.site-header{
  background:var(--ink);
  color:#fff;
  padding:16px 0;
  position:sticky;top:0;z-index:50;
  box-shadow:0 2px 12px rgba(0,0,0,.15);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;}
.brand{font-size:22px;font-weight:800;color:#fff;letter-spacing:.3px;font-family:var(--font-display);}
.brand span{color:var(--cyan);}
.site-header nav a{color:#cfe9f0;margin-left:22px;font-weight:600;font-size:14.5px;}
.site-header nav a:hover{color:var(--cyan);text-decoration:none;}

/* ===== Hero Slider ===== */
.hero-slider{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  height:440px;
}
.hero-slide{
  position:absolute;inset:0;
  display:flex;align-items:center;
  opacity:0;visibility:hidden;
  transform:translateX(40px);
  transition:opacity .7s ease, transform .7s ease, visibility .7s;
}
.hero-slide.active{opacity:1;visibility:visible;transform:translateX(0);z-index:2;}
.hero-slide.s1{background:linear-gradient(135deg,#0b1b2b 0%, #123a4d 55%, #0891b2 130%);}
.hero-slide.s2{background:linear-gradient(135deg,#0b1b2b 0%, #2d1e4a 55%, #7c3aed 130%);}
.hero-slide.s3{background:linear-gradient(135deg,#0b1b2b 0%, #3d2a12 55%, #d97706 130%);}

.hero-slide .container{
  display:flex;align-items:center;justify-content:space-between;gap:40px;width:100%;
}
.hero-copy{max-width:560px;}
.hero-copy .eyebrow{
  display:inline-block;font-family:var(--font-display);font-size:12px;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;color:var(--cyan);
  background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.35);
  padding:6px 14px;border-radius:20px;margin-bottom:18px;
  opacity:0;transform:translateY(14px);
}
.hero-slide.active .eyebrow{animation:heroUp .6s ease .15s forwards;}
.hero-copy h1{
  font-family:var(--font-display);font-size:clamp(28px,4vw,42px);font-weight:800;
  margin:0 0 16px;line-height:1.25;
  opacity:0;transform:translateY(18px);
}
.hero-slide.active h1{animation:heroUp .6s ease .28s forwards;}
.hero-copy h1 span{color:var(--cyan);}
.hero-slide.s2.active h1 span{color:#c4b5fd;}
.hero-slide.s3.active h1 span{color:#fcd34d;}
.hero-copy p{
  color:#c9dee5;font-size:16px;margin:0 0 26px;max-width:480px;
  opacity:0;transform:translateY(18px);
}
.hero-slide.active p{animation:heroUp .6s ease .4s forwards;}
.hero-copy .btn{
  opacity:0;transform:translateY(18px);
}
.hero-slide.active .btn{animation:heroUp .6s ease .52s forwards;}

@keyframes heroUp{
  to{opacity:1;transform:translateY(0);}
}

/* Floating play-button motif (signature element) */
.hero-visual{
  position:relative;width:220px;height:220px;flex-shrink:0;display:none;
}
.hero-visual .ring{
  position:absolute;inset:0;border:2px dashed rgba(255,255,255,.25);border-radius:50%;
  animation:spin 22s linear infinite;
}
.hero-visual .play-core{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:120px;height:120px;border-radius:50%;
  background:rgba(255,255,255,.12);backdrop-filter:blur(4px);
  border:1.5px solid rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;
  animation:pulseGlow 3s ease-in-out infinite;
}
.hero-visual .play-core svg{width:38px;height:38px;fill:#fff;margin-left:5px;}
.hero-visual .dot{
  position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);
  animation:floatDot 4s ease-in-out infinite;
}
.hero-visual .dot:nth-child(3){top:10%;left:80%;animation-delay:.3s;}
.hero-visual .dot:nth-child(4){top:78%;left:12%;background:#fcd34d;animation-delay:1s;}
.hero-visual .dot:nth-child(5){top:85%;left:70%;background:#c4b5fd;animation-delay:1.6s;}

@keyframes spin{to{transform:rotate(360deg);}}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.15);}
  50%{box-shadow:0 0 0 18px rgba(255,255,255,0);}
}
@keyframes floatDot{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-14px);}
}

.hero-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:18px;transition:background .2s ease;
}
.hero-nav:hover{background:rgba(255,255,255,.22);}
.hero-nav.prev{left:18px;}
.hero-nav.next{right:18px;}

.hero-dots{
  position:absolute;bottom:20px;left:0;right:0;z-index:5;
  display:flex;justify-content:center;gap:8px;
}
.hero-dots button{
  width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.35);
  cursor:pointer;padding:0;transition:background .2s ease, width .2s ease;
}
.hero-dots button.active{background:var(--cyan);width:24px;border-radius:5px;}

@media(min-width:760px){ .hero-visual{display:block;} }
@media(max-width:760px){
  .hero-slider{height:auto;padding:50px 0;}
  .hero-slide{position:relative;transform:none;}
  .hero-slide:not(.active){display:none;}
}

/* Section headings */
.section-title{font-size:24px;font-weight:800;margin:44px 0 22px;color:var(--ink);font-family:var(--font-display);}
.section-title::before{
  content:'';display:inline-block;vertical-align:middle;margin-right:8px;
  width:26px;height:26px;border-radius:50%;
  background:var(--cyan) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="white" d="M8 5v14l11-7z"/></svg>') center/12px no-repeat;
}
.section-title small{display:block;font-family:var(--font-body);font-size:12.5px;font-weight:700;color:var(--cyan-dark);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:2px;margin-left:34px;}

/* Video grid */
.video-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;margin-bottom:50px;
}
.video-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
  display:flex;flex-direction:column;
  opacity:0;transform:translateY(24px);
}
.video-card.in-view{animation:cardIn .55s ease forwards;}
@keyframes cardIn{to{opacity:1;transform:translateY(0);}}
.video-card:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(11,27,43,.16);}

.video-thumb-wrap{position:relative;overflow:hidden;aspect-ratio:16/9;background:#dfeaef;}
.video-thumb{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.video-card:hover .video-thumb{transform:scale(1.08);}

.thumb-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,27,43,0) 45%,rgba(11,27,43,.55) 100%);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s ease;
}
.video-card:hover .thumb-overlay{opacity:1;}
.thumb-play{
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;
  transform:scale(.7);transition:transform .3s ease;
  box-shadow:0 4px 18px rgba(0,0,0,.3);
}
.video-card:hover .thumb-play{transform:scale(1);}
.thumb-play svg{width:20px;height:20px;fill:var(--cyan-dark);margin-left:3px;}

.thumb-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  background:var(--ink);color:#fff;font-size:11px;font-weight:700;
  padding:4px 10px;border-radius:20px;letter-spacing:.3px;
}
.thumb-price{
  position:absolute;top:10px;right:10px;z-index:2;
  background:var(--amber);color:#fff;font-family:var(--font-display);
  font-size:13px;font-weight:700;padding:5px 12px;border-radius:20px;
  box-shadow:0 3px 10px rgba(217,119,6,.35);
}

.video-body{padding:16px;display:flex;flex-direction:column;flex:1;}
.video-body h3{font-size:16.5px;margin:0 0 8px;color:var(--ink);}
.video-body p{font-size:13.5px;color:#5b7180;flex:1;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.price-row{display:flex;align-items:center;justify-content:space-between;}
.price{font-size:19px;font-weight:800;color:var(--cyan-dark);font-family:var(--font-display);}
.btn{
  display:inline-block;background:var(--cyan);color:#fff;border:none;
  padding:10px 18px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;
  transition:background .2s ease, transform .2s ease;
}
.btn:hover{background:var(--cyan-dark);text-decoration:none;color:#fff;transform:translateY(-2px);}
.btn-block{display:block;width:100%;text-align:center;}
.btn-outline{background:transparent;border:1.5px solid var(--cyan);color:var(--cyan-dark);}
.btn-outline:hover{background:var(--cyan);color:#fff;}
.btn-danger{background:var(--danger);}
.btn-danger:hover{background:#b91c1c;}

/* Video detail page */
.video-detail{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;margin:40px 0 60px;}
.video-detail .video-thumb-wrap{border-radius:var(--radius);box-shadow:var(--shadow);}
.detail-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);align-self:start;}
.detail-panel h1{font-size:24px;margin:0 0 6px;font-family:var(--font-display);}
.detail-panel .price{font-size:28px;display:block;margin:14px 0 18px;}
.badge{display:inline-block;background:#e2f8fb;color:var(--cyan-dark);font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:20px;margin-bottom:10px;}

@media(prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
}

/* Forms */
.form-card{max-width:460px;margin:50px auto;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.form-card h2{margin-top:0;font-size:22px;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-weight:700;font-size:13.5px;margin-bottom:6px;color:var(--ink-soft);}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:11px 12px;border:1.5px solid var(--border);border-radius:8px;
  font-size:14.5px;font-family:inherit;background:#fbfdfe;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--cyan);background:#fff;
}
.form-hint{font-size:12.5px;color:#7c8f9b;margin-top:4px;}

.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:18px;}
.alert-success{background:#e9f9ef;color:var(--success);border:1px solid #bfe9cc;}
.alert-danger{background:#fdecec;color:var(--danger);border:1px solid #f5c2c2;}
.alert-info{background:#e2f8fb;color:var(--cyan-dark);border:1px solid #b9ecf4;}

/* Download success box */
.download-box{max-width:520px;margin:60px auto;text-align:center;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius);padding:40px 30px;box-shadow:var(--shadow);}
.download-box .icon{font-size:46px;color:var(--success);margin-bottom:12px;}

/* Tables (admin) */
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px;}
th{background:var(--ink);color:#fff;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.4px;}
tr:last-child td{border-bottom:none;}
.status-pill{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700;}
.status-paid{background:#e9f9ef;color:var(--success);}
.status-pending{background:#fff6e0;color:#a56b00;}
.status-failed,.status-cancelled{background:#fdecec;color:var(--danger);}

/* Admin layout */
.admin-wrap{display:flex;min-height:100vh;}
.admin-sidebar{width:220px;background:var(--ink);color:#fff;padding:24px 0;flex-shrink:0;}
.admin-sidebar .brand{padding:0 20px 24px;display:block;}
.admin-sidebar a{display:block;color:#cfe9f0;padding:11px 22px;font-size:14.5px;font-weight:600;}
.admin-sidebar a:hover,.admin-sidebar a.active{background:var(--ink-soft);color:var(--cyan);text-decoration:none;}
.admin-main{flex:1;padding:30px 34px;}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-bottom:30px;}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border);}
.stat-card .num{font-size:26px;font-weight:800;color:var(--cyan-dark);}
.stat-card .label{font-size:13px;color:#7c8f9b;font-weight:600;}

/* Footer */
.site-footer{background:var(--ink);color:#9fb7c2;padding:26px 0;text-align:center;font-size:13.5px;margin-top:60px;}

@media(max-width:800px){
  .video-detail{grid-template-columns:1fr;}
  .site-header nav a{margin-left:14px;font-size:13px;}
  .admin-wrap{flex-direction:column;}
  .admin-sidebar{width:100%;padding:14px 0;}
}