.checkout-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px;background:linear-gradient(180deg,#0a0a0a,#1a1a2e)}.checkout-card{max-width:600px;width:100%;background:rgba(20,20,35,.95);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px;box-shadow:0 20px 60px rgba(0,0,0,.5)}.checkout-card.error{text-align:center}.checkout-card.error h1{color:#ff6b6b}.back-link{display:inline-block;color:#00ff88;text-decoration:none;margin-bottom:30px;font-size:.9rem}.back-link:hover{text-decoration:underline}.back-button{display:inline-block;margin-top:20px;padding:12px 24px;background:linear-gradient(135deg,#00ff88,#00d4ff);color:#000;text-decoration:none;border-radius:8px;font-weight:600}.plan-summary{text-align:center;margin-bottom:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}.plan-icon-large{font-size:4rem;margin-bottom:15px}.plan-summary h1{font-size:2rem;background:linear-gradient(135deg,#00ff88,#00d4ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px}.plan-price-large{font-size:2.5rem;font-weight:700;color:#fff;margin-bottom:10px}.plan-desc{color:#888;font-size:1rem}.consent-section{margin-bottom:30px}.consent-section h2{color:#fff;font-size:1.3rem;margin-bottom:15px}.consent-intro{color:#888;margin-bottom:25px}.consent-item{margin-bottom:20px}.checkbox-container{display:flex;align-items:flex-start;gap:15px;cursor:pointer;position:relative;padding-left:35px}.checkbox-container input{position:absolute;opacity:0;cursor:pointer;height:0;width:0}.checkmark{position:absolute;left:0;top:2px;height:22px;width:22px;background:rgba(255,255,255,.1);border:2px solid rgba(255,255,255,.3);border-radius:4px;transition:all .2s ease}.checkbox-container:hover .checkmark{border-color:#00ff88}.checkbox-container input:checked~.checkmark{background:#00ff88;border-color:#00ff88}.checkmark:after{content:"";position:absolute;display:none;left:6px;top:2px;width:6px;height:12px;border:solid #000;border-width:0 2px 2px 0;transform:rotate(45deg)}.checkbox-container input:checked~.checkmark:after{display:block}.consent-text{color:#c0c0c0;font-size:.95rem;line-height:1.6}.consent-text a{color:#00ff88;text-decoration:none;font-weight:500}.consent-text a:hover{text-decoration:underline}.founder-notice{background:rgba(255,215,0,.1);border:1px solid rgba(255,215,0,.3);border-radius:12px;padding:20px;margin-top:25px}.founder-notice h3{color:#ffd700;font-size:1rem;margin-bottom:12px}.founder-notice ul{margin:0;padding-left:20px;color:#ffe066;font-size:.9rem}.founder-notice li{margin-bottom:8px}.proceed-button{width:100%;padding:18px 32px;font-size:1.1rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease}.proceed-button.active{background:linear-gradient(135deg,#00ff88,#00d4ff);color:#000}.proceed-button.active:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,255,136,.3)}.proceed-button.disabled{background:rgba(255,255,255,.1);color:#666;cursor:not-allowed}.secure-notice{text-align:center;color:#666;font-size:.85rem;margin-top:20px}.lock-icon{margin-right:5px}.loading-state{text-align:center;padding:60px 20px}.loading-spinner{width:40px;height:40px;border:3px solid rgba(0,255,136,.2);border-top-color:#00ff88;border-radius:50%;margin:0 auto 20px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.loading-state p{color:#888}@media (max-width:768px){.checkout-card{padding:30px 20px}.plan-icon-large{font-size:3rem}.plan-summary h1{font-size:1.5rem}.plan-price-large{font-size:2rem}}