:root{--bc-primary:#4F46E5;--bc-secondary:#EC4899;--bc-accent:#06B6D4;--bc-violet:#7C3AED;--bc-dark:#0F172A;--bc-light:#F8FAFC;--bc-surface:#F1F5F9;--bc-border:#CBD5E1;--bc-success:#10B981;--bc-warning:#F59E0B;--bc-error:#EF4444;--bc-gradient:linear-gradient(135deg,#06B6D4 0%,#4F46E5 38%,#7C3AED 68%,#EC4899 100%);--bc-radius-sm:10px;--bc-radius-md:16px;--bc-radius-lg:24px;--bc-shadow-sm:0 8px 28px rgba(15,23,42,.06);--bc-shadow-md:0 18px 48px rgba(15,23,42,.11);--bc-content:820px;--bc-wide:1360px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bc-light);color:var(--bc-dark);line-height:1.625}img{max-width:100%;height:auto}a{color:var(--bc-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{line-height:1.15;letter-spacing:-.025em;margin:0 0 .6em;font-weight:800}h1{font-size:clamp(2.4rem,5vw,4.4rem)}h2{font-size:clamp(2rem,3.5vw,3rem)}h3{font-size:1.35rem}p{margin:0 0 1rem}button,input,select,textarea{font:inherit}.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.bc-skip{position:fixed;left:1rem;top:-100px;background:#fff;padding:.8rem 1rem;z-index:9999}.bc-skip:focus{top:1rem}:focus-visible{outline:3px solid var(--bc-accent);outline-offset:3px}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}