:root{--primary-color:#3b82f6;--secondary-color:#1e40af;--text-color:#1f2937;--light-text:#6b7280;--background:#f9fafb;--box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--success-color:#10b981;--error-color:#ef4444}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}body{background-color:var(--background);color:var(--text-color);display:flex;flex-direction:column;min-height:100vh;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:2rem;text-align:center;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center}.logo{width:120px;height:120px;margin-bottom:1.5rem;animation:pulse 3s infinite}h1{font-size:2.5rem;margin-bottom:1rem;background:linear-gradient(to right,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}.tagline{font-size:1.25rem;margin-bottom:2rem;color:var(--light-text);max-width:600px}.email-form{background-color:#fff;padding:2rem;border-radius:.5rem;box-shadow:var(--box-shadow);width:100%;max-width:500px;margin-bottom:3rem}.form-heading{font-size:1.25rem;margin-bottom:1rem}.input-group{display:flex;gap:.5rem;margin-bottom:1rem}input[type=email]{flex:1;padding:.75rem 1rem;border:1px solid #e5e7eb;border-radius:.375rem;font-size:1rem;outline:0}input[type=email]:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(59,130,246,.2)}input[type=email].error{border-color:var(--error-color);box-shadow:0 0 0 1px var(--error-color)}button{background-color:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.375rem;font-weight:600;cursor:pointer;transition:background-color .3s}button:hover{background-color:var(--secondary-color)}button:disabled{background-color:#9ca3af;cursor:not-allowed}.status-message{margin-top:1rem;padding:.75rem;border-radius:.375rem;display:none;font-size:.9rem;text-align:center;font-weight:500}.success{background-color:rgba(16,185,129,.1);color:var(--success-color);border:1px solid var(--success-color)}.error{background-color:rgba(239,68,68,.1);color:var(--error-color);border:1px solid var(--error-color)}.features-section{margin-bottom:3rem;width:100%;max-width:800px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2rem;text-align:left}.feature-card{background-color:#fff;border-radius:.5rem;padding:1.5rem;box-shadow:var(--box-shadow);transition:transform .3s}.feature-card:hover{transform:translateY(-5px)}.feature-title{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary-color);font-weight:600}.free-badge{display:inline-block;background-color:var(--success-color);color:#fff;padding:.25rem .75rem;border-radius:1rem;font-size:.875rem;font-weight:700;margin-bottom:1rem}.section-title{font-size:1.75rem;margin-bottom:1rem;color:var(--text-color)}.footer{padding:1.5rem;text-align:center;color:var(--light-text);font-size:.875rem;background-color:#fff;border-top:1px solid #e5e7eb}.social-icons{display:flex;justify-content:center;gap:1rem;margin-top:1.5rem}.social-icon{width:2rem;height:2rem;color:var(--primary-color)}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}@media (max-width:768px){h1{font-size:2rem}.input-group{flex-direction:column}.features-grid{grid-template-columns:1fr}}