:root{--color-primary:#1e3a8a;--color-secondary:#4c1d95;--color-accent:#f97316;--color-bg:#f8fafc;--color-text:#0f172a;--font-family:"Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);flex-direction:column;min-height:100vh;line-height:1.6;display:flex}a{color:inherit;text-decoration:none}.header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#ffffffd9;border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:center;padding:1.5rem 5%;display:flex;position:sticky;top:0}.logo-text{background:linear-gradient(90deg, var(--color-primary), var(--color-secondary));-webkit-text-fill-color:transparent;letter-spacing:-1px;-webkit-background-clip:text;font-size:1.75rem;font-weight:800}.nav{color:#334155;align-items:center;gap:2rem;font-weight:500;display:flex}.nav a:hover{color:var(--color-primary)}.btn-login{border:2px solid var(--color-primary);background:0 0;border-radius:8px;padding:.5rem 1.25rem;font-weight:600;transition:all .2s;color:var(--color-primary)!important}.btn-login:hover{background:var(--color-primary);color:#fff!important}.footer{text-align:center;color:#94a3b8;background-color:#0f172a;margin-top:auto;padding:3rem 5%;font-size:.9rem}.page-container{width:100%;max-width:1200px;margin:0 auto;padding:4rem 5%}.hero{text-align:center;padding:6rem 0}.hero h1{background:linear-gradient(135deg, var(--color-text), var(--color-primary));-webkit-text-fill-color:transparent;letter-spacing:-1px;-webkit-background-clip:text;margin-bottom:1.5rem;font-size:4rem;line-height:1.1}.hero p{color:#475569;max-width:650px;margin-bottom:2.5rem;margin-left:auto;margin-right:auto;font-size:1.25rem}.btn-primary{background:linear-gradient(135deg, var(--color-primary), var(--color-secondary));color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.85rem 2.5rem;font-weight:600;transition:transform .2s,box-shadow .2s;display:inline-flex}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #4c1d9540}.features-grid,.planes-grid,.dashboard-modules{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:3rem;display:grid}.feature-card,.plan-card,.module-card{background:#fff;border:1px solid #f1f5f9;border-radius:20px;padding:2.5rem;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 20px #00000008}.feature-card:hover,.plan-card:hover,.module-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px #00000014}.features h2{text-align:center;margin-bottom:1rem;font-size:2.5rem}.feature-card h3,.plan-card h2,.module-card h3{color:var(--color-primary);margin-bottom:1rem}.plan-card p{color:#475569;min-height:48px;margin-bottom:2rem}.login-container{justify-content:center;align-items:center;min-height:70vh;display:flex}.login-box{background:#fff;border-radius:20px;width:100%;max-width:420px;padding:3rem;box-shadow:0 10px 40px #0000000f}.login-box h1{text-align:center;color:var(--color-primary);margin-bottom:2rem;font-size:1.75rem}.form-group{margin-bottom:1.5rem}.form-group label{color:#334155;margin-bottom:.5rem;font-size:.95rem;font-weight:500;display:block}.form-group input{border:1px solid #cbd5e1;border-radius:8px;outline:none;width:100%;padding:.85rem;font-family:inherit;font-size:1rem;transition:border-color .2s}.form-group input:focus{border-color:var(--color-primary)}.login-box .btn-primary{width:100%;margin-top:1rem}