:root{--bg:#0a0a0f;--bg2:#0f0f18;--bg3:#141420;--border:#ffffff14;--border-hover:#00ff884d;--accent:#0f8;--accent2:#00cc6e;--accent-dim:#00ff881a;--text:#f0f0f5;--text2:#8888a0;--text3:#555568;--blue:#4d9eff;--red:#ff5050;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--shadow-glow:0 0 30px #00ff881f;--nav-height:60px;--transition:.2s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}img,video,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font-family:inherit}ul,ol{list-style:none}h1{letter-spacing:-.02em;font-size:clamp(1.8rem,5vw,3.5rem);font-weight:700;line-height:1.1}h2{font-size:clamp(1.4rem,3.5vw,2.2rem);font-weight:700;line-height:1.2}h3{font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:600;line-height:1.3}p{color:var(--text2);line-height:1.75}code{font-family:var(--font-mono);font-size:.875em}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}.section{padding:clamp(3rem,8vw,5rem) clamp(1rem,4vw,2rem)}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color var(--transition),transform var(--transition),box-shadow var(--transition);padding:1.5rem}.card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1.4rem;font-size:.9rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:#000;font-weight:600}.btn-primary:hover{background:var(--accent2);transform:translateY(-1px);box-shadow:0 4px 16px #00ff884d}.btn-primary:active{transform:translateY(0)}.btn-secondary{color:var(--text);border:1px solid var(--border);background:0 0}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.btn-lg{border-radius:var(--radius-lg);padding:.85rem 2rem;font-size:1rem}.btn-sm{padding:.4rem .9rem;font-size:.8rem}.btn-full{text-align:center;width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}input,textarea,select{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text);transition:border-color var(--transition);outline:none;padding:.7rem 1rem;font-size:.9rem}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #00ff881a}input::placeholder,textarea::placeholder{color:var(--text3)}label{color:var(--text2);margin-bottom:.4rem;font-size:.82rem;font-weight:500;display:block}.error-msg{border-radius:var(--radius-md);color:var(--red);background:#ff50501a;border:1px solid #ff50504d;padding:.7rem 1rem;font-size:.85rem}.success-msg{border-radius:var(--radius-md);color:var(--accent);background:#00ff8814;border:1px solid #00ff8840;padding:.7rem 1rem;font-size:.85rem}.badge{letter-spacing:.06em;text-transform:uppercase;border-radius:20px;align-items:center;gap:.35rem;padding:.25rem .7rem;font-size:.72rem;font-weight:600;display:inline-flex}.badge-green{color:var(--accent);background:#00ff881f;border:1px solid #0f83}.badge-blue{color:var(--blue);background:#4d9eff1f;border:1px solid #4d9eff33}.badge-gray{color:var(--text2);border:1px solid var(--border);background:#ffffff0f}.code-block{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-md);align-items:center;gap:.5rem;padding:.6rem .9rem;display:flex;overflow-x:auto}.code-block code{font-family:var(--font-mono);color:var(--accent);white-space:nowrap;flex:1;font-size:.78rem}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,var(--bg2) 25%,var(--bg3) 50%,var(--bg2) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.fade-in{animation:.4s forwards fadeIn}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:3px}.text-accent{color:var(--accent)}.text-muted{color:var(--text2)}.text-blue{color:var(--blue)}@media (width<=768px){.hide-mobile{display:none!important}.show-mobile{display:block!important}.section{padding:2.5rem 1rem}.card{padding:1rem}.btn-lg{padding:.75rem 1.5rem;font-size:.95rem}h1{font-size:clamp(1.7rem,8vw,2.5rem)}h2{font-size:clamp(1.3rem,6vw,1.8rem)}}@media (width<=480px){.btn-full-mobile{width:100%}.stack-mobile{flex-direction:column}}@media (width>=769px){.show-mobile{display:none!important}}