/* NexoraVaultHub — AI Video Masterclass */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Hind Siliguri','Inter',system-ui,sans-serif;color:#e7e7f2;background:#0b0b18;line-height:1.65;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.25;color:#fff;font-weight:700}
p{color:#c9c9d9}

/* Buttons */
.btn{display:inline-block;padding:14px 26px;border-radius:12px;font-weight:600;text-align:center;transition:transform .2s,box-shadow .2s;border:0;cursor:pointer;font-size:16px;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff;box-shadow:0 10px 30px rgba(124,58,237,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 40px rgba(236,72,153,.5)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.15)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn.big{width:100%;padding:16px;font-size:17px}
.btn.block{display:block;width:100%}

/* Topbar */
.topbar{background:linear-gradient(90deg,#ec4899,#7c3aed);color:#fff;text-align:center;padding:10px 12px;font-size:14px;font-weight:600}
#countdown{background:rgba(0,0,0,.25);padding:3px 10px;border-radius:6px;margin-left:6px;display:inline-block}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,11,24,.85);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff}
.brand img{border-radius:8px}
.nav-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.nav-links a{color:#c9c9d9;font-size:15px;transition:color .2s}
.nav-links a:hover{color:#fff}
.btn-nav{background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff !important;padding:8px 18px;border-radius:10px;font-weight:600}
.menu-btn{display:none;background:transparent;border:1px solid rgba(255,255,255,.15);color:#fff;padding:8px 12px;border-radius:8px;font-size:20px;cursor:pointer}

/* Hero */
.hero{padding:60px 0 40px;background:radial-gradient(1200px 500px at 20% 0%,rgba(124,58,237,.35),transparent),radial-gradient(1000px 500px at 100% 100%,rgba(236,72,153,.25),transparent),#0b0b18}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.badge{display:inline-block;background:rgba(236,72,153,.15);color:#f9a8d4;border:1px solid rgba(236,72,153,.3);padding:6px 14px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:18px}
.hero-copy h1{font-size:clamp(28px,4.5vw,52px);margin-bottom:16px}
.grad{background:linear-gradient(135deg,#a78bfa,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:17px;margin-bottom:24px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px}
.hero-points li{color:#e7e7f2;font-size:15px}
.hero-media img{border-radius:20px;box-shadow:0 30px 80px rgba(124,58,237,.4);border:1px solid rgba(255,255,255,.08)}

/* Sections */
.section{padding:70px 0}
.section.alt{background:#0f0f22}
.h2{font-size:clamp(24px,3.4vw,38px);text-align:center;margin-bottom:12px}
.sub{text-align:center;max-width:780px;margin:0 auto 40px;color:#a9a9bd;font-size:16px}

/* Card grids */
.cards-4,.cards-3{display:grid;gap:20px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:26px;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.5)}
.card .ic{font-size:32px;margin-bottom:12px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px}

/* Modules */
.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
.mod{background:linear-gradient(180deg,rgba(124,58,237,.08),rgba(236,72,153,.05));border:1px solid rgba(124,58,237,.2);border-radius:14px;padding:20px;position:relative;overflow:hidden}
.mod .n{position:absolute;top:12px;right:14px;font-size:36px;font-weight:800;color:rgba(255,255,255,.08);font-family:'Inter'}
.mod h3{font-size:17px;margin-bottom:6px;padding-right:40px}
.mod p{font-size:14px}
.preview-img img{border-radius:20px;margin:0 auto}

/* Pricing */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:24px}
.price-card{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px 24px;text-align:center;position:relative}
.price-card.popular{border-color:#ec4899;box-shadow:0 20px 60px rgba(236,72,153,.25);transform:scale(1.03)}
.ribbon{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff;padding:5px 14px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:1px}
.flag{font-size:40px;margin-bottom:8px}
.price-card h3{font-size:22px;margin-bottom:14px}
.price{font-family:'Inter';font-size:52px;font-weight:800;color:#fff;line-height:1;margin-bottom:20px}
.price span{font-size:28px;vertical-align:top;margin-right:4px}
.price small{display:block;font-size:13px;font-weight:400;color:#a9a9bd;margin-top:8px}
.price-card ul{list-style:none;text-align:left;margin-bottom:24px}
.price-card ul li{padding:8px 0;color:#d3d3e2;font-size:15px;border-bottom:1px dashed rgba(255,255,255,.08)}
.note{text-align:center;background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.25);padding:16px;border-radius:12px;font-size:14.5px;color:#d3d3e2}

/* Trust bar */
.trust{background:linear-gradient(90deg,#7c3aed,#ec4899);padding:40px 0}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust-inner h3{font-family:'Inter';font-size:38px;color:#fff;margin-bottom:4px}
.trust-inner p{color:rgba(255,255,255,.9);font-size:14px}

/* Testimonials */
.tcard{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:24px;text-align:center}
.tcard img{width:80px;height:80px;border-radius:50%;margin:0 auto 14px;border:3px solid #ec4899;object-fit:cover}
.tcard blockquote{color:#e7e7f2;font-size:15px;margin-bottom:12px;font-style:italic}
.tcard figcaption{color:#a78bfa;font-weight:600;margin-bottom:6px}
.stars{color:#fbbf24;font-size:16px}

/* Form */
.form{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:32px;max-width:900px;margin:0 auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form label{display:block;font-size:14px;color:#c9c9d9;font-weight:500;margin-bottom:14px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:10px;color:#fff;font-family:inherit;font-size:15px;margin-top:6px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:#ec4899;background:rgba(255,255,255,.08)}
.form select option{background:#1a1a2e;color:#fff}
.form textarea{resize:vertical;min-height:80px}
.mini{text-align:center;font-size:13px;color:#a9a9bd;margin-top:12px}
.form-msg{margin-top:16px;padding:12px;border-radius:10px;text-align:center;font-weight:600;display:none}
.form-msg.ok{display:block;background:rgba(34,197,94,.15);color:#4ade80;border:1px solid rgba(34,197,94,.3)}
.form-msg.err{display:block;background:rgba(239,68,68,.15);color:#f87171;border:1px solid rgba(239,68,68,.3)}

/* Future */
.future{background:linear-gradient(135deg,rgba(124,58,237,.15),rgba(236,72,153,.1));text-align:center}

/* FAQ */
.faq{max-width:800px;margin:0 auto;display:grid;gap:12px}
details{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:16px 20px;cursor:pointer}
details[open]{border-color:rgba(236,72,153,.4)}
summary{font-weight:600;color:#fff;font-size:16px;list-style:none;position:relative;padding-right:24px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:0;font-size:22px;color:#ec4899;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:10px;color:#c9c9d9;font-size:15px}

/* Contact */
.center-narrow{max-width:720px;margin:0 auto;text-align:center}
.center-narrow p{margin-bottom:16px}
.delivery{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:20px 0}
.delivery span{background:rgba(124,58,237,.15);border:1px solid rgba(124,58,237,.3);padding:10px 18px;border-radius:12px;font-weight:600;color:#e7e7f2}
.contact-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:20px}

/* Footer */
.footer{background:#07070f;padding:50px 0 20px;border-top:1px solid rgba(255,255,255,.06)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:32px}
.footer h4{color:#fff;margin-bottom:14px;font-size:16px}
.footer a{display:block;color:#a9a9bd;padding:5px 0;font-size:14.5px;transition:color .2s}
.footer a:hover{color:#ec4899}
.muted{color:#8a8aa0;font-size:14px;margin-top:12px}
.copy{text-align:center;color:#8a8aa0;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.06);font-size:13px}

/* WhatsApp FAB */
.whatsapp-fab{position:fixed;bottom:22px;right:22px;width:60px;height:60px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(37,211,102,.5);z-index:80;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 10px 30px rgba(37,211,102,.5)}50%{box-shadow:0 10px 40px rgba(37,211,102,.9)}}

/* WA popup */
.wa-popup{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.wa-popup.show{display:flex}
.wa-box{background:#151530;border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px;max-width:400px;width:100%;text-align:center;position:relative}
.wa-box h3{margin-bottom:10px}
.wa-box p{margin-bottom:20px}
.wa-close{position:absolute;top:12px;right:14px;background:transparent;border:0;color:#fff;font-size:26px;cursor:pointer;line-height:1}

/* Responsive */
@media (max-width:960px){
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .modules{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;padding:12px 0;gap:6px}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 4px;border-bottom:1px solid rgba(255,255,255,.06)}
  .hero-grid{grid-template-columns:1fr}
  .hero{padding:36px 0 20px}
  .cards-3,.cards-4,.prices{grid-template-columns:1fr}
  .modules{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .trust-inner{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .price-card.popular{transform:none}
  .section{padding:50px 0}
  .form{padding:22px}
  body{font-size:15.5px}
}