:root{
  --grad: linear-gradient(135deg,#6366f1 0%,#ec4899 50%,#f59e0b 100%);
  --ink:#0f172a;
  --muted:#64748b;
}
*{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:#fff}
h1,h2,h3,h4,h5,.navbar-brand{font-family:'Space Grotesk','Inter',sans-serif}

.text-grad{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn-grad{background:var(--grad);color:#fff;border:0;border-radius:999px;padding:.6rem 1.4rem;font-weight:600;transition:transform .2s,box-shadow .2s}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 25px rgba(236,72,153,.35)}

.sjt-nav{background:rgba(255,255,255,.0);transition:.3s;padding:.9rem 0}
.sjt-nav.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.06)}
.sjt-nav .nav-link{color:#fff;font-weight:500}
.sjt-nav.scrolled .nav-link,.sjt-nav.scrolled .navbar-brand{color:var(--ink)}
.sjt-nav .navbar-brand{color:#fff;font-size:1.15rem}
@media(max-width:991px){.sjt-nav{background:rgba(15,23,42,.95)}}

.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,23,42,.85),rgba(99,102,241,.55))}
.hero-content{position:relative;z-index:2}

.stats-section{background:var(--grad);color:#fff}
.stat h2{font-size:2.6rem;font-weight:700;margin:0}
.stat p{margin:0;opacity:.9}

.course-card{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:.3s;height:100%}
.course-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(99,102,241,.18)}
.course-card img{width:100%;height:180px;object-fit:cover}

.bg-light-soft{background:#f8fafc}

.service-card{background:#fff;border-radius:18px;padding:2rem 1.5rem;text-align:center;height:100%;transition:.3s;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.service-card:hover{transform:translateY(-6px);box-shadow:0 16px 30px rgba(0,0,0,.08)}
.service-card i{font-size:2.2rem;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:1rem}
.service-card h5{font-weight:700}
.service-card p{color:var(--muted);font-size:.92rem;margin:0}

.gallery-img{width:100%;height:260px;object-fit:cover;border-radius:16px;transition:.4s}
.gallery-img:hover{transform:scale(1.03);box-shadow:0 16px 30px rgba(0,0,0,.15)}

#projTabs .nav-link{color:var(--ink);font-weight:600;border-radius:999px;padding:.5rem 1.4rem}
#projTabs .nav-link.active{background:var(--grad);color:#fff}
.project-card{background:#fff;padding:1.5rem;border-radius:14px;box-shadow:0 4px 14px rgba(0,0,0,.05);height:100%;transition:.3s}
.project-card:hover{transform:translateY(-4px)}
.project-card h5{font-weight:700}
.project-card p{color:var(--muted);margin:0}

.testimonial{max-width:720px;margin:0 auto;padding:2rem}
.testimonial p{font-size:1.25rem;font-style:italic;color:var(--ink)}
.carousel-control-prev-icon,.carousel-control-next-icon{filter:invert(1) grayscale(100)}

.sjt-footer{background:var(--ink)}

.wa-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.8rem;box-shadow:0 8px 25px rgba(37,211,102,.45);z-index:1000;animation:pulse 2s infinite}
.wa-float:hover{color:#fff;transform:scale(1.08)}
@keyframes pulse{0%,100%{box-shadow:0 8px 25px rgba(37,211,102,.45)}50%{box-shadow:0 8px 35px rgba(37,211,102,.8)}}

.dropdown-menu{border:0;box-shadow:0 10px 30px rgba(0,0,0,.1);border-radius:12px}
.dropdown-item:hover{background:#f1f5f9}