:root{
  --bg:#0f1720; --card:#0b1220; --muted:#9aa4b2; --accent:#0b6efd;
  --white:#f8fafc;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;color:var(--white);background:linear-gradient(180deg,#071025 0%, #071428 100%);}
.container{width:min(1100px,94%);margin:0 auto}
.site-header{position:sticky;top:0;background:rgba(5,10,18,0.6);backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,0.03);z-index:40}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:10px;align-items:center;color:var(--white);text-decoration:none}
.logo{width:42px;height:42px}
.nav{display:flex;gap:14px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;padding:8px;border-radius:8px}
.nav a:hover{color:var(--white);background:rgba(255,255,255,0.03)}
.nav .cta{background:linear-gradient(90deg,var(--accent),#1b82ff);color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}

/* Hero */
.hero{padding:60px 0}
.hero-grid{display:grid;grid-template-columns:1fr 360px;gap:28px;align-items:center}
.hero-left h1{font-size:clamp(26px,4vw,40px);margin:0 0 12px;color:var(--white);line-height:1.05}
.lead{color:var(--muted);margin:0 0 18px}
.hero-ctas{display:flex;gap:12px;margin-bottom:14px}
.button{background:linear-gradient(90deg,var(--accent),#1b82ff);color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;display:inline-block}
.button.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06)}
.button.small{padding:8px 12px}

/* Cards */
.section{padding:48px 0}
.section-title{font-size:20px;margin:0 0 6px}
.section-sub{color:var(--muted);margin:0 0 18px}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.service-card{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);min-height:220px;display:flex;flex-direction:column;gap:12px}
.service-card img{width:56px;height:56px;opacity:0.95}
.service-card h3{margin:0;font-size:18px}
.service-card p{color:var(--muted);margin:0;flex:1}
.card-actions{display:flex;justify-content:flex-end}
.btn-contact{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:8px 10px;border-radius:8px;color:var(--white);cursor:pointer}
.btn-contact:hover{transform:translateY(-2px)}

/* Syllabus */
.syllabus-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.syllabus-card{background:rgba(255,255,255,0.02);padding:14px;border-radius:10px;border:1px solid rgba(255,255,255,0.03)}
.syllabus-card h4{margin:0 0 8px}
.syllabus-card ul{margin:0;padding-left:18px;color:var(--muted)}

/* About */
.about-inner{display:grid;grid-template-columns:1fr 280px;gap:18px;align-items:start}
.about-text p{color:var(--muted)}
.about-stats{display:flex;flex-direction:column;gap:10px}
.stat{background:rgba(255,255,255,0.02);padding:12px;border-radius:8px;text-align:center}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 320px;gap:18px;align-items:start}
.contact-form{background:rgba(255,255,255,0.01);padding:16px;border-radius:10px;border:1px solid rgba(255,255,255,0.03)}
.contact-form label{display:block;margin:10px 0 6px}
.contact-form input,.contact-form textarea{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--white)}
.contact-form .small{color:var(--muted);margin-top:8px}
.contact-info{background:rgba(255,255,255,0.01);padding:16px;border-radius:10px;border:1px solid rgba(255,255,255,0.03);color:var(--muted)}
.contact-info h3{margin-top:0;color:var(--white)}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,0.03);padding:18px 0;text-align:center;color:var(--muted)}

/* Responsive */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .about-inner{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}