:root{--bt-blue:#0d6efd;--bt-dark:#0f172a;--bt-soft:#f5f8ff}.hero{background:linear-gradient(135deg,#0d6efd,#112855);color:white;padding:90px 0}.feature-card,.tool-card,.article-card{border:0;border-radius:18px;box-shadow:0 12px 30px rgba(15,23,42,.08);transition:.2s}.feature-card:hover,.tool-card:hover,.article-card:hover{transform:translateY(-3px)}.section-pad{padding:70px 0}.navbar-brand{font-weight:800}.btn-rounded{border-radius:999px}.footer{background:#0f172a;color:#dbeafe;padding:45px 0}.page-header{background:var(--bt-soft);padding:55px 0}.form-control,.form-select{border-radius:12px}.alert{border-radius:14px}.brand-gradient{background:linear-gradient(135deg,#0d6efd,#00c2ff);-webkit-background-clip:text;color:transparent}.adminlte-card{border-radius:16px}