:root{--font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--text-strong: #0f172a;--text-body: #334155;--text-muted: #64748b;--surface: #ffffff;--surface-muted: #f8fafc;--primary: #077cc2;--primary-dark: #04639c;--primary-soft: #e8f4fc;--border-color: #dbe6f1;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--shadow-sm: 0 4px 18px rgba(2, 24, 43, .06);--shadow-md: 0 12px 30px rgba(2, 24, 43, .12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-size:16px;line-height:1.55;font-family:var(--font-base);color:var(--text-body);background:var(--surface);margin:0}h1,h2,h3{color:var(--text-strong);margin-top:0}h1{font-size:clamp(1.9rem,1.6rem + 1.2vw,2.8rem);line-height:1.1}h2{font-size:clamp(1.5rem,1.35rem + .8vw,2.1rem)}p{margin-top:0;margin-bottom:1rem}a{color:var(--primary)}img{max-width:100%;display:block}button{border:none;margin:0;padding:0;width:auto;background:transparent;color:inherit;font:inherit;line-height:normal;-webkit-font-smoothing:inherit;-moz-osx-font-smoothing:inherit;appearance:none;-webkit-appearance:none}button:hover{cursor:pointer}.info-banner{min-height:72px;background:linear-gradient(90deg,#f97373,#ef4444);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;font-size:clamp(.92rem,.8rem + .5vw,1.1rem);padding:.85rem 1rem;font-weight:700;letter-spacing:.01em}.app-section{width:min(1140px,92vw);margin-inline:auto}.card-surface{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.button-primary{background:var(--primary);color:#fff;border-radius:999px;padding:.75rem 1.2rem;font-weight:600;transition:background .2s ease}.button-primary:hover{background:var(--primary-dark)}