:root{--brand-50: #E8F0ED;--brand-100: #D1E0DB;--brand-200: #A3C2B7;--brand-300: #75A393;--brand-400: #5F8A7C;--brand-500: #4A7568;--brand-600: #2B5B4B;--brand-700: #244D3F;--brand-800: #1D3F33;--brand-900: #163128}body{font-family:system-ui,-apple-system,sans-serif;background:#f9fafb;color:#374151}a:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeInUp .6s ease-out forwards}.delay-100{animation-delay:.1s}.delay-200{animation-delay:.2s}.delay-300{animation-delay:.3s}html{scroll-behavior:smooth}details{transition:all .3s ease}details[open] summary{color:var(--brand-600)}.btn-primary{background:var(--brand-600);color:#fff;border-radius:6px;transition:background .2s}.btn-primary:hover{background:var(--brand-700)}.btn-primary:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}.btn-secondary{background:var(--brand-50);color:var(--brand-600);border-radius:6px;transition:background .2s}.btn-secondary:hover{background:var(--brand-100)}.card{background:#fff;border:1px solid #E5E7EB;border-radius:8px;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #2b5b4b1a}.version-card{background:#fff;border:1px solid #E5E7EB;border-radius:8px;padding:1.5rem;margin-bottom:1.5rem}.version-date{color:var(--brand-600);font-weight:600;font-size:1.125rem;margin-bottom:1rem}.feature-title{font-weight:600;color:var(--brand-700);margin-top:1rem;margin-bottom:.5rem}.feature-list{list-style:disc;list-style-position:inside;color:#4b5563}.feature-list li{margin-bottom:.5rem;line-height:1.6}@media(prefers-reduced-motion:reduce){.animate-fade-in{animation:none;opacity:1!important}html{scroll-behavior:auto}.card{transition:none}}