:root,[data-theme=dark]{--bg:#0d1825;--surface:#142537;--raised:#1d3448;--text:#eefcff;--muted:#aebcc8;--cyan:#14cce3;--coral:#f47c35}[data-theme=light]{--bg:#f4f7f3;--surface:#fff;--raised:#e4eee9;--text:#102736;--muted:#4c6270;--cyan:#007f94;--coral:#c94d10}:root{color:var(--text);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 85% 0,#17394c 0,transparent 30rem),var(--bg);margin:0;line-height:1.65;transition:background .2s,color .2s}a{color:var(--cyan);text-underline-offset:3px}a:hover{color:#8df5ff}.skip{color:#000;z-index:4;background:#fff;padding:.6rem;position:absolute;top:-4rem;left:1rem}.skip:focus{top:1rem}header,footer{justify-content:space-between;align-items:center;gap:1rem;max-width:1200px;margin:auto;padding:1.25rem 2rem;display:flex}.header-actions{gap:.5rem;display:flex}.theme,.menu{background:var(--raised);border:1px solid var(--cyan);color:var(--text);border-radius:.4rem;padding:.55rem .75rem}.brand{letter-spacing:.12em;color:var(--text);font-weight:900;line-height:1;text-decoration:none}.brand span{color:var(--cyan)}.brand small{color:var(--muted);letter-spacing:.2em;margin-top:.35rem;font-size:.55rem;display:block}nav{gap:1.1rem;display:flex}nav a{font-size:.92rem;text-decoration:none}.menu{display:none}main{min-height:70vh}.wrap{width:min(1120px,100% - 2.5rem);margin:auto}.hero{max-width:780px;padding:6rem 0 3rem}.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:.16em;font-size:.75rem;font-weight:700}.hero h1,h1,h2,h3{line-height:1.12}.hero h1{margin:.4rem 0;font-size:clamp(3rem,9vw,6.3rem)}.lead{color:var(--muted);max-width:65ch;font-size:1.18rem}.buttons{flex-wrap:wrap;gap:.8rem;margin-top:1.5rem;display:flex}.button{background:var(--coral);color:#111;border-radius:.4rem;padding:.75rem 1rem;font-weight:800;text-decoration:none}.button.alt{border:1px solid var(--cyan);color:var(--cyan);background:0 0}section{padding:2rem 0}.grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.card,.quick,.article-box{background:linear-gradient(135deg,var(--surface),var(--raised));border:1px solid #2a465b;border-radius:.75rem;padding:1.25rem}.card{color:var(--text);text-decoration:none}.card:hover{border-color:var(--cyan);transform:translateY(-2px)}.card small{color:var(--cyan);text-transform:uppercase;letter-spacing:.1em;display:block}.article{grid-template-columns:minmax(0,760px) 230px;gap:3rem;padding:3rem 0;display:grid}.article aside{height:max-content;color:var(--muted);position:sticky;top:1rem}.crumbs{color:var(--muted);font-size:.85rem}.quick{border-left:4px solid var(--coral);margin:1.5rem 0}.quick strong{color:var(--coral)}.article li{margin:.6rem 0}.tips{border-top:1px solid #2a465b;margin-top:2rem}.video{aspect-ratio:16/9;border:0;border-radius:.75rem;width:100%}.media{background:var(--raised);border-radius:.75rem;display:block;overflow:hidden}.media img{object-fit:cover;width:100%;height:100%;display:block}.feature-image{aspect-ratio:16/8;margin:1.5rem 0}.media figcaption,.media span{color:var(--muted);padding:.6rem .85rem;font-size:.8rem;display:block}.stats{flex-wrap:wrap;gap:.7rem;display:flex}.stat{color:var(--muted);border:1px solid #2a465b;border-radius:99px;padding:.4rem .6rem;font-size:.82rem}footer{color:var(--muted);border-top:1px solid #2a465b;margin-top:4rem}footer div:last-child{flex-wrap:wrap;gap:1rem;display:flex}input{background:var(--surface);width:100%;color:var(--text);font:inherit;border:1px solid #486278;border-radius:.5rem;padding:1rem}:focus-visible{outline:3px solid var(--coral);outline-offset:3px}@media (width<=800px){header{padding:1rem 1.25rem}.menu{display:block}nav{background:var(--surface);z-index:2;border:1px solid #2a465b;border-radius:.5rem;flex-direction:column;padding:1rem;display:none;position:absolute;top:4.5rem;left:1rem;right:1rem}nav.open{display:flex}.grid{grid-template-columns:1fr}.article{display:block}.article aside{margin-top:2rem;position:static}footer{flex-direction:column;align-items:flex-start}.hero{padding:4rem 0 2rem}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}