:root{--primary-color:#fff;--secondary-color:#000;--accent-color:#555;--text-main:#000;--text-muted:#555;--bg-main:#fff;--bg-card:#fff;--border-color:#0000001a}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--secondary-color);text-decoration:none;transition:color .3s}a:hover{color:var(--accent-color)}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:100;background:#fff;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex;position:sticky;top:0}.logo{color:var(--text-main);letter-spacing:1px;font-size:1.5rem;font-weight:700}.logo span{color:var(--accent-color)}.nav-links{gap:2rem;display:flex}.nav-link{color:#555;font-weight:500;transition:color .3s}.nav-link:hover,.nav-link.active{color:#000}.main-content{box-sizing:border-box;flex:1;width:100%;max-width:1200px;margin:0 auto;padding:3rem 2rem}.card{background:var(--bg-card);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:16px;padding:2rem;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 30px #0000001a}.card:hover{transform:translateY(-5px);box-shadow:0 10px 40px #38bdf826}.btn-primary{background:var(--secondary-color);color:var(--primary-color);border:1px solid var(--secondary-color);cursor:pointer;border-radius:8px;padding:.8rem 1.5rem;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s,color .2s;box-shadow:0 4px 15px #ffffff1a}.btn-primary:hover{color:var(--secondary-color);background:0 0;transform:translateY(-2px);box-shadow:0 6px 20px #fff3}.markdown-body{color:var(--text-main);font-size:1.1rem;line-height:1.8}.markdown-body h1{color:var(--text-main);border-bottom:1px solid var(--border-color);margin-top:2rem;padding-bottom:.5rem;font-size:2.5rem}.markdown-body h2,.markdown-body h3{color:var(--secondary-color);border-bottom:1px solid var(--border-color);margin-top:2rem;padding-bottom:.5rem}.markdown-body h4{color:var(--secondary-color);margin-top:1.5rem}.markdown-body p{margin-bottom:1.5rem}.doctrine-header{text-align:center;margin-bottom:3rem}.doctrine-header h1{color:var(--secondary-color);margin-bottom:.5rem;font-size:3rem}.doctrine-header p{color:var(--text-muted);font-size:1.2rem}.grid-container{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem;display:grid}