:root{--primary: #f97316;--primary-dark: #ea580c;--bg: #0a0a0a;--bg-card: #171717;--text: #ffffff;--text-secondary: #a3a3a3;--border: #262626;--error: #ef4444;--success: #22c55e;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{font-family:var(--font-family);cursor:pointer;border:none;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:12px;font-weight:600;transition:all .2s;font-size:16px}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px)}.btn-secondary{background-color:transparent;border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{background-color:var(--border)}.input-group{margin-bottom:20px}.input-group label{display:block;margin-bottom:8px;font-size:14px;color:var(--text-secondary)}.input-group input,.input-group select{width:100%;padding:12px 16px;border-radius:12px;background-color:var(--bg-card);border:1px solid var(--border);color:var(--text);font-size:16px;transition:border-color .2s}.input-group input:focus{border-color:var(--primary)}.card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:32px}.spinner{width:24px;height:24px;border:3px solid rgba(255,255,255,.1);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hero{padding:120px 0 80px;text-align:center}.hero h1{font-size:64px;font-weight:800;margin-bottom:24px;background:linear-gradient(to bottom,#fff,#a3a3a3);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:20px;color:var(--text-secondary);max-width:600px;margin:0 auto 40px}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;margin-top:60px}.pricing-card{text-align:left;transition:transform .3s}.pricing-card:hover{transform:translateY(-10px)}.pricing-card.featured{border-color:var(--primary);position:relative}.pricing-card.featured:before{content:"POPULAR";position:absolute;top:-12px;left:50%;transform:translate(-50%);background-color:var(--primary);padding:4px 12px;border-radius:20px;font-size:12px;font-weight:700}@media(max-width:1024px){.hero h1{font-size:48px}}@media(max-width:768px){.hero{padding:60px 0 40px}.hero h1{font-size:36px}.hero p{font-size:16px}.pricing-grid{grid-template-columns:1fr}.subscription-grid{grid-template-columns:1fr!important}.header-nav{display:none!important}.btn{width:100%}}.input-group input:disabled{opacity:.5;cursor:not-allowed}.badge-trial{background:#22c55e1a;color:var(--success);padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600}.stepper{display:flex;justify-content:center;align-items:center;gap:40px;margin-bottom:48px}.step-item{display:flex;flex-direction:column;align-items:center;gap:8px;position:relative}.step-number{width:40px;height:40px;border-radius:50%;background:var(--background-card);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--text-secondary);transition:all .3s ease}.step-item.active .step-number{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 20px #fd55024d}.step-label{font-size:14px;font-weight:600;color:var(--text-secondary)}.step-item.active .step-label{color:var(--primary)}.plan-card-checkout{background:var(--background-card);border:1px solid var(--border);border-radius:20px;padding:24px;margin-bottom:24px}.plan-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.plan-title{font-size:18px;font-weight:700;color:var(--text)}.plan-price{font-size:24px;font-weight:800;color:var(--primary)}.plan-price span{font-size:14px;color:var(--text-secondary);font-weight:400}.checkbox-group{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border);cursor:pointer}.checkbox-group input{width:20px;height:20px;accent-color:var(--primary)}.checkout-form-section{text-align:left}.section-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--primary);margin-bottom:20px}