:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-bg: #ffffff;--color-surface: #f8fafc;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted: #64748b;--font-sans: "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;--font-display: "Outfit", var(--font-sans);--maxw: 1080px;--radius: 12px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{min-height:100vh;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{font-family:var(--font-display);line-height:1.2;font-weight:600}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.app-shell{display:flex;flex-direction:column;min-height:100vh}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-bg);position:sticky;top:0;z-index:10}.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-family:var(--font-display);font-weight:600;font-size:18px;color:var(--color-text);letter-spacing:-.01em}.brand:hover{text-decoration:none}.nav{display:flex;gap:8px}.nav a{color:var(--color-text-muted);font-weight:500;font-size:15px;padding:8px 12px;border-radius:8px;transition:background .15s,color .15s}.nav a:hover{color:var(--color-text);background:var(--color-surface);text-decoration:none}.nav a[aria-current=page]{color:var(--color-primary);background:var(--color-surface)}.site-main{flex:1}.site-footer{border-top:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-muted);font-size:14px}.site-footer__inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:24px}.btn{display:inline-block;font-weight:600;font-size:15px;padding:12px 22px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:var(--color-primary-hover);text-decoration:none}.btn--ghost{background:transparent;border-color:var(--color-border);color:var(--color-text)}.btn--ghost:hover{background:var(--color-surface);text-decoration:none}.hero{padding:96px 0;text-align:center}.hero h1{font-size:clamp(2rem,5vw,3.25rem);letter-spacing:-.02em}.hero p{color:var(--color-text-muted);font-size:1.15rem;max-width:560px;margin:20px auto 0}.hero__actions{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}@media(max-width:600px){.hero{padding:64px 0}.nav a{padding:8px 10px;font-size:14px}}