@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Sinhala:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");:root{--bg-dark:#090d16;--bg-card:rgba(18,26,43,0.75);--bg-card-hover:rgba(26,38,64,0.85);--bg-glass:rgba(15,23,42,0.8);--border-glass:rgba(255,255,255,0.08);--border-glow:rgba(99,102,241,0.35);--primary:#6366f1;--primary-light:#818cf8;--primary-dark:#4f46e5;--secondary:#06b6d4;--accent-gold:#fbbf24;--accent-green:#10b981;--accent-red:#ef4444;--whatsapp-color:#25D366;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-full:9999px;--shadow-glow:0 0 35px rgba(99,102,241,0.25);--shadow-card:0 10px 30px -5px rgba(0,0,0,0.5);--shadow-whatsapp:0 10px 25px rgba(37,211,102,0.35);--transition-fast:0.2s cubic-bezier(0.4,0,0.2,1);--transition-normal:0.35s cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:Noto Sans Sinhala,Plus Jakarta Sans,sans-serif;background-color:var(--bg-dark);color:var(--text-primary);line-height:1.6;overflow-x:hidden;position:relative;background-image:radial-gradient(circle at 15% 15%,rgba(99,102,241,.12) 0,transparent 45%),radial-gradient(circle at 85% 65%,rgba(6,182,212,.12) 0,transparent 50%),radial-gradient(circle at 50% 90%,rgba(251,191,36,.05) 0,transparent 40%);background-attachment:fixed;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:Outfit,Noto Sans Sinhala,sans-serif;font-weight:700;line-height:1.2}.gradient-text{background:linear-gradient(135deg,#ffffff 0,var(--primary-light) 50%,var(--secondary) 100%);-webkit-background-clip:text}.gradient-text,.gradient-text-gold{-webkit-text-fill-color:transparent}.gradient-text-gold{background:linear-gradient(135deg,#ffe066,#fbbf24 50%,#f59e0b);-webkit-background-clip:text}.container{width:100%;max-width:1240px;margin:0 auto;padding:0 1.5rem}.bg-math-patterns{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden;opacity:.15}.math-symbol{position:absolute;font-family:Outfit,monospace;font-size:2.5rem;color:var(--primary-light);-webkit-user-select:none;-moz-user-select:none;user-select:none;animation:floatMath 12s ease-in-out infinite alternate}@keyframes floatMath{0%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-20px) rotate(10deg)}to{transform:translateY(-40px) rotate(-10deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:.85rem 1.75rem;border-radius:var(--radius-md);font-weight:600;font-size:.95rem;cursor:pointer;transition:var(--transition-normal);text-decoration:none;border:none;outline:none}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);color:#ffffff;box-shadow:0 4px 20px rgba(99,102,241,.4)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,.6);background:linear-gradient(135deg,var(--primary-light) 0,var(--primary) 100%)}.btn-secondary{background:rgba(255,255,255,.05);color:var(--text-primary);border:1px solid var(--border-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);transform:translateY(-2px)}.btn-whatsapp{background:var(--whatsapp-color);color:#ffffff;box-shadow:var(--shadow-whatsapp);font-weight:700}.btn-whatsapp:hover{background:#20ba59;transform:translateY(-2px);box-shadow:0 12px 30px rgba(37,211,102,.5)}.btn-gold{background:linear-gradient(135deg,#f59e0b,#d97706);color:#ffffff;box-shadow:0 4px 20px rgba(245,158,11,.4)}.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(245,158,11,.6)}.btn-sm{padding:.5rem 1rem;font-size:.85rem;border-radius:var(--radius-sm)}.section-padding{padding:90px 0;position:relative;z-index:1}.section-title-wrap{text-align:center;max-width:700px;margin:0 auto 3.5rem}.section-tag{display:inline-block;color:var(--secondary);font-weight:700;font-size:.875rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:.75rem}.section-title{font-size:2.4rem;margin-bottom:1rem}.section-sub{color:var(--text-secondary);font-size:1.05rem}.modal-overlay{position:fixed;inset:0;background:rgba(9,13,22,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:1.5rem}.modal-card{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);max-width:550px;width:100%;padding:2.5rem;box-shadow:var(--shadow-glow);position:relative}.modal-close{position:absolute;top:20px;right:20px;background:none;border:none;color:var(--text-secondary);font-size:1.25rem;cursor:pointer;transition:var(--transition-fast)}.modal-close:hover{color:var(--text-primary)}.form-card-container{background:linear-gradient(135deg,rgba(18,26,43,.95),rgba(15,23,42,.95));border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:3rem;box-shadow:0 10px 30px -5px rgba(0,0,0,.5);position:relative}.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:2rem;gap:2rem}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:1.5rem;gap:1.5rem}.whatsapp-float-btn{position:fixed;bottom:30px;right:30px;z-index:999;width:56px;height:56px;background:var(--whatsapp-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;box-shadow:var(--shadow-whatsapp);text-decoration:none;transition:var(--transition-normal)}.whatsapp-float-btn:hover{transform:scale(1.1);box-shadow:0 15px 35px rgba(37,211,102,.6)}@keyframes spin{to{transform:rotate(1turn)}}.animate-spin{animation:spin 1s linear infinite}@media (max-width:1024px){.courses-grid{grid-template-columns:1fr}}@media (max-width:860px){.desktop-only{display:none!important}.mobile-hamburger-btn{display:flex!important}}@media (max-width:768px){.section-padding{padding:55px 0}.container{padding:0 1rem}.form-card-container{padding:1.25rem;border-radius:18px}.form-grid{grid-template-columns:1fr;gap:1rem}.ai-solver-card{padding:1.15rem!important;border-radius:18px!important}.hero-cta-group{flex-direction:column}.hero-btn{width:100%;justify-content:center}.whatsapp-float-btn{bottom:20px;right:20px;width:48px;height:48px}}@media (max-width:480px){.wa-btn-text{display:none}.navbar-wa-btn{padding:.45rem!important;border-radius:50%!important}}