:root{--bg-primary:#090d16;--bg-surface:#111726;--bg-card:#111726bf;--border-color:#ffffff14;--border-glow:#10b9814d;--accent-primary:#10b981;--accent-secondary:#06b6d4;--accent-gradient:linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #3b82f6 100%);--accent-glow:radial-gradient(circle at 50% -20%, #10b98133, transparent 70%);--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dim:#6b7280;--success:#10b981;--paypal-blue:#0070ba;--paypal-hover:#005ea6;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--font-family:"Inter", -apple-system, sans-serif;--font-heading:"Outfit", sans-serif;--font-mono:"Fira Code", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-main);font-family:var(--font-family);min-height:100vh;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}h1,h2,h3{font-family:var(--font-heading);font-weight:700}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.goal-bar{border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#111726f2;padding:.6rem 1rem;position:sticky;top:0}.goal-content{align-items:center;gap:1rem;max-width:1200px;margin:0 auto;font-size:.9rem;display:flex}.pulse-dot{background:var(--accent-primary);width:10px;height:10px;box-shadow:0 0 10px var(--accent-primary);border-radius:50%;animation:1.5s infinite pulse}@keyframes pulse{0%{transform:scale(.95)}70%{transform:scale(1);box-shadow:0 0 0 8px #10b98100}to{transform:scale(.95)}}.goal-text{flex:1}.navbar{border-bottom:1px solid var(--border-color);padding:1.2rem 0}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex}.logo{font-family:var(--font-heading);align-items:center;gap:.6rem;font-size:1.4rem;font-weight:800;display:flex}.logo span{color:var(--accent-primary)}.badge{color:var(--accent-primary);background:#10b98126;border:1px solid #10b9814d;border-radius:12px;padding:.2rem .5rem;font-size:.7rem}.nav-links{gap:1.5rem;display:flex}.nav-links a{color:var(--text-muted);font-size:.95rem;text-decoration:none}.nav-links a:hover,.nav-links a.active{color:var(--accent-primary)}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-sm{padding:.4rem .8rem;font-size:.85rem}.btn-lg{border-radius:var(--radius-md);padding:.9rem 1.8rem;font-size:1.05rem}.btn-block{width:100%}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px #10b9814d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98166}.btn-outline{border:1px solid var(--border-color);color:var(--text-main);background:0 0}.btn-outline:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-glass{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);color:var(--text-main);background:#ffffff0d}.btn-paypal{background:var(--paypal-blue);color:#fff}.hero{text-align:center;padding:5rem 0 3rem;position:relative}.hero-bg-glow{background:var(--accent-glow);pointer-events:none;width:100%;max-width:800px;height:400px;position:absolute;top:0;left:50%;transform:translate(-50%)}.hero-badge{color:var(--accent-primary);background:#10b98126;border:1px solid #10b9814d;border-radius:20px;margin-bottom:1.2rem;padding:.4rem 1rem;font-size:.85rem;font-weight:600;display:inline-block}.hero-title{max-width:900px;margin:0 auto 1.2rem;font-size:3.2rem}.hero-subtitle{color:var(--text-muted);max-width:680px;margin:0 auto 2rem;font-size:1.15rem}.hero-actions{justify-content:center;gap:1rem;display:flex}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:2rem}.section-card{margin-top:3rem}.section-tag{letter-spacing:.05em;color:var(--accent-primary);margin-bottom:.4rem;font-size:.75rem;font-weight:700}.api-grid{grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1.5rem;display:grid}@media (width<=768px){.api-grid{grid-template-columns:1fr}}.code-preview{border:1px solid var(--border-color);border-radius:var(--radius-sm);font-family:var(--font-mono);color:#34d399;white-space:pre-wrap;background:#060911;min-height:240px;max-height:360px;padding:1.2rem;font-size:.88rem;overflow-y:auto}.output-header{justify-content:space-between;align-items:center;margin-bottom:.6rem;font-size:.9rem;font-weight:600;display:flex}select,input[type=text]{border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-main);background:#090d1699;outline:none;padding:.8rem 1rem;font-family:inherit}select:focus,input[type=text]:focus{border-color:var(--accent-primary)}label{margin-bottom:.4rem;font-size:.9rem;font-weight:600;display:block}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000000bf;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.modal-overlay.hidden{display:none}.modal-content{text-align:center;width:100%;max-width:440px;position:relative}.modal-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:1.5rem;position:absolute;top:1rem;right:1rem}.qr-wrapper{border-radius:var(--radius-md);background:#fff;margin:1rem 0;padding:1rem;display:inline-block}.qr-image{width:200px;height:200px;display:block}.modal-divider{color:var(--text-dim);align-items:center;margin:1.2rem 0;font-size:.8rem;display:flex}.modal-divider:before,.modal-divider:after{content:"";border-bottom:1px solid var(--border-color);flex:1}.modal-divider span{padding:0 .5rem}.footer{border-top:1px solid var(--border-color);color:var(--text-dim);margin-top:4rem;padding:2rem 0;font-size:.85rem}.text-center{text-align:center}