:root{--color-bg:#fafafa;--color-bg-alt:#f5f5f0;--color-white:#fff;--color-text:#1a1a1a;--color-text-muted:#666;--color-border:#000;--color-accent:#ffe600;--color-accent-hover:#e6cf00;--color-accent-secondary:#06f;--font-heading:"Space Grotesk", sans-serif;--font-body:"Inter", sans-serif;--font-mono:"JetBrains Mono", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--shadow-brutal:4px 4px 0 var(--color-border);--shadow-brutal-sm:2px 2px 0 var(--color-border);--shadow-brutal-lg:6px 6px 0 var(--color-border);--border-brutal:2px solid var(--color-border);--border-brutal-thick:3px solid var(--color-border);--radius-sm:2px;--radius-md:4px;--transition-fast:.15s ease;--transition-base:.2s ease;--container-sm:640px;--container-md:768px;--container-lg:1024px;--container-xl:1200px}[data-theme=dark]{--color-bg:#1a1a1a;--color-bg-alt:#2d2d2d;--color-text:#fafafa;--color-text-muted:#a0a0a0;--color-border:#fafafa;--color-white:#2d2d2d;--color-accent-hover:#fff033}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body,"Inter", system-ui, sans-serif);font-size:var(--text-base,1rem);color:var(--color-text,#000);background-color:var(--color-bg,#fafafa);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;line-height:1.6;display:flex}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading,"Inter", system-ui, sans-serif);font-weight:700;line-height:1.2}h1{font-size:var(--text-5xl,2.5rem)}h2{font-size:var(--text-3xl,1.75rem)}h3{font-size:var(--text-2xl,1.25rem)}h4{font-size:var(--text-xl,1.125rem)}p{margin-bottom:1rem}a{color:inherit;text-decoration:underline}a:hover{opacity:.8}img{max-width:100%;display:block}.container{width:100%;max-width:900px;margin:0 auto;padding-inline:1.5rem}.site-header{border-bottom:3px solid var(--color-text,#000);background:var(--color-bg,#fafafa);z-index:100;position:sticky;top:0}.site-header__inner{justify-content:space-between;align-items:center;padding-block:1rem;display:flex}.site-logo{color:var(--color-text,#000);text-transform:uppercase;letter-spacing:-.02em;font-size:1.5rem;font-weight:800;text-decoration:none}.site-logo:hover{opacity:.7}.site-nav{gap:1rem;display:flex}.nav-link{color:var(--color-text,#000);border:2px solid var(--color-text,#000);padding:.5rem .75rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .1s}.nav-link:hover{background:var(--color-text,#000);color:var(--color-bg,#fafafa)}main{flex:1}.site-footer{border-top:3px solid var(--color-text,#000);background:var(--color-surface,#f0f0f0);margin-top:4rem;padding-block:2rem}.site-footer__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;font-size:.875rem;display:flex}.footer-link{color:var(--color-text,#000);margin-left:1rem;font-size:.875rem;text-decoration:underline}.btn{border:2px solid var(--color-text,#000);cursor:pointer;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-decoration:none;transition:all .1s;display:inline-flex}.btn--primary{background:var(--color-text,#000);color:var(--color-bg,#fafafa)}.btn--outline{color:var(--color-text,#000);background:0 0}.btn--lg{padding:1rem 2rem;font-size:1.125rem}.badge{text-transform:uppercase;letter-spacing:.05em;padding:.25rem .75rem;font-size:.75rem;font-weight:700;display:inline-block}.badge--free{color:#fff;background:#22c55e}.content-html h2{margin:2rem 0 1rem;font-size:1.5rem;font-weight:700}.content-html h3{margin:1.5rem 0 .75rem;font-size:1.25rem;font-weight:700}.content-html p{margin-bottom:1rem;line-height:1.7}.content-html ul,.content-html ol{margin:1rem 0;padding-left:1.5rem}.content-html li{margin-bottom:.5rem;line-height:1.7}.content-html a{color:var(--color-primary,#2563eb);text-decoration:underline}.content-html strong{font-weight:700}@media (width<=640px){html{font-size:15px}h1{font-size:2rem}h2{font-size:1.5rem}.site-header__inner{flex-direction:column;gap:.75rem}.site-footer__inner{text-align:center;flex-direction:column}.footer-link{margin:0 .5rem}}@media (width<=768px){html{font-size:15px}h1{font-size:2rem}h2{font-size:1.5rem}}.btn{justify-content:center;align-items:center;gap:var(--space-2);font-family:var(--font-heading);border:var(--border-brutal);box-shadow:var(--shadow-brutal);cursor:pointer;transition:transform var(--transition-fast), box-shadow var(--transition-fast);white-space:nowrap;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover{box-shadow:var(--shadow-brutal-lg);transform:translate(-2px,-2px)}.btn:active{box-shadow:none;transform:translate(2px,2px)}.btn-primary{background-color:var(--color-accent);color:var(--color-text)}.btn-primary:hover{background-color:var(--color-accent-hover)}.btn-secondary{background-color:var(--color-white);color:var(--color-text)}.btn-outline{color:var(--color-text);background-color:#0000}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--text-sm)}.btn-md{padding:var(--space-3) var(--space-6);font-size:var(--text-base)}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--text-lg)}.card{background-color:var(--color-white);border:var(--border-brutal);box-shadow:var(--shadow-brutal)}.card-interactive{transition:transform var(--transition-fast), box-shadow var(--transition-fast);cursor:pointer}.card-interactive:hover{box-shadow:var(--shadow-brutal-lg);transform:translate(-2px,-2px)}.card-interactive:active{box-shadow:none;transform:translate(2px,2px)}.card-highlight{background-color:var(--color-accent)}.card-subtle{background-color:var(--color-bg-alt);box-shadow:var(--shadow-brutal-sm)}.card-header{padding:var(--space-4) var(--space-6);border-bottom:var(--border-brutal)}.card-body{padding:var(--space-6)}.card-footer{padding:var(--space-4) var(--space-6);border-top:var(--border-brutal)}.nav-link{font-family:var(--font-heading);color:var(--color-text);padding-bottom:2px;font-weight:500;text-decoration:none;position:relative}.nav-link:after{content:"";background-color:var(--color-accent);width:0;height:3px;transition:width var(--transition-base);position:absolute;bottom:0;left:0}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-link:hover{color:var(--color-text)}.badge{font-family:var(--font-mono);font-size:var(--text-xs);padding:var(--space-1) var(--space-3);border:var(--border-brutal);background-color:var(--color-accent);color:var(--color-text);font-weight:600;display:inline-block}