:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0b0f1a;color:#e2e8f0}.app{max-width:52rem;margin:0 auto;padding:2rem 1.25rem 3rem}.hero{text-align:center;padding:3rem 1rem 2.5rem}.hero-badge{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:#60a5fa;border:1px solid rgba(96,165,250,.3);background:#60a5fa14;padding:.3rem .75rem;border-radius:9999px;margin-bottom:1.25rem}.hero-title{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;letter-spacing:-.03em;line-height:1.25;color:#f1f5f9}.highlight{background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{margin-top:1rem;font-size:1rem;color:#e2e8f099;max-width:36rem;margin-left:auto;margin-right:auto}.tips-grid{display:grid;gap:.75rem}.tip-card{background:#ffffff08;border:1px solid rgba(255,255,255,.07);border-radius:.75rem;padding:1.1rem 1.25rem;cursor:pointer;transition:background .2s,border-color .2s,box-shadow .2s;-webkit-user-select:none;user-select:none}.tip-card:hover{background:#ffffff0d;border-color:#ffffff1f}.tip-card.expanded{background:#3b82f60f;border-color:#3b82f640;box-shadow:0 0 20px #3b82f614}.tip-header{display:flex;align-items:center;gap:1rem}.tip-icon{font-size:1.6rem;flex-shrink:0;width:2.5rem;height:2.5rem;display:grid;place-items:center;background:#ffffff0a;border-radius:.5rem}.tip-text{flex:1;min-width:0}.tip-title{font-size:1rem;font-weight:600;color:#f1f5f9;letter-spacing:-.01em}.tip-desc{font-size:.85rem;color:#e2e8f080;margin-top:.15rem}.chevron{font-size:1rem;color:#ffffff4d;transition:transform .25s;flex-shrink:0}.chevron.open{transform:rotate(180deg);color:#60a5fa}.tip-details{margin-top:.9rem;padding-top:.9rem;border-top:1px solid rgba(255,255,255,.06);animation:slideDown .25s ease}.tip-details p{font-size:.9rem;color:#e2e8f0b3;line-height:1.7}@keyframes slideDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.footer{margin-top:3rem;text-align:center;padding:2rem 1rem;border-top:1px solid rgba(255,255,255,.06)}.footer p{font-size:.85rem;color:#e2e8f066;max-width:32rem;margin:0 auto}.footer-sub{margin-top:.75rem;font-size:1rem;font-weight:600;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}