:root{--primary:#0ea5e9;--primary-dark:#0284c7;--primary-light:#38bdf8;--accent:#10b981;--bg-dark:#f8fafc;--bg-card:#fff;--bg-card-hover:#f1f5f9;--border:#e2e8f0;--border-focus:rgba(14,165,233,.5);--text:#0f172a;--text-muted:#475569;--text-dim:#94a3b8;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--radius:12px;--radius-lg:24px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-dark);color:var(--text);min-height:100vh;overflow-x:hidden;display:flex;flex-direction:column}.site-header{position:fixed;top:0;width:100%;z-index:50;background:hsla(0,0%,100%,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;height:5rem;display:flex;align-items:center;justify-content:space-between}.header-logo img{height:3rem;width:auto;object-fit:contain}.header-links{display:none;gap:2rem}.header-links a{text-decoration:none;color:var(--text-muted);font-size:.875rem;font-weight:500;transition:color .2s}.header-links a:hover{color:var(--primary)}.header-actions{display:flex;align-items:center;gap:1rem}.login-link{text-decoration:none;color:var(--text-muted);font-size:.875rem;font-weight:600;transition:color .2s}.login-link:hover{color:var(--text)}@media (min-width:768px){.header-links{display:flex}}.main-content{flex:1 1;display:flex;flex-direction:column;padding-top:5rem;position:relative}.site-footer{background:#0f172a;color:#fff;padding:5rem 0;margin-top:4rem}.footer-container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.footer-top{display:grid;grid-template-columns:1fr;grid-gap:3rem;gap:3rem;margin-bottom:4rem}@media (min-width:768px){.footer-top{grid-template-columns:2fr 1fr}}.footer-brand .footer-logo{height:3.5rem;width:auto;filter:brightness(0) invert(1);margin-bottom:1.5rem}.footer-brand p{color:#94a3b8;max-width:400px;line-height:1.6;font-size:.95rem}.footer-links-col h4{font-weight:700;margin-bottom:1.5rem;font-size:1.05rem}.footer-links-col ul{list-style:none;display:flex;flex-direction:column;gap:1rem}.footer-links-col a{color:#94a3b8;text-decoration:none;font-size:.875rem;transition:color .2s}.footer-links-col a:hover{color:#fff}.footer-bottom{padding-top:2rem;border-top:1px solid #1e293b;text-align:center;color:#64748b;font-size:.875rem}.bg-gradient{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 80% 60% at 20% 10%,rgba(14,165,233,.08),transparent),radial-gradient(ellipse 60% 50% at 80% 80%,rgba(16,185,129,.05),transparent);pointer-events:none}.container{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1rem;flex:1 1}.logo,.tagline{display:none}.stepper{gap:0;margin-bottom:2.5rem;width:100%;max-width:600px;justify-content:center}.step-item,.stepper{display:flex;align-items:center}.step-item{gap:.5rem}.step-circle{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;border:2px solid var(--border);color:var(--text-dim);transition:all .3s ease;flex-shrink:0;background:var(--bg-card)}.step-circle.active{border-color:var(--primary);background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(14,165,233,.25)}.step-circle.completed{border-color:var(--success);background:var(--success);color:#fff}.step-label{font-size:.8rem;font-weight:600;color:var(--text-dim);white-space:nowrap;transition:color .3s}.step-label.active{color:var(--primary)}.step-label.completed{color:var(--success)}.step-line{width:40px;height:2px;background:var(--border);margin:0 .5rem;transition:background .3s}.step-line.completed{background:var(--success)}.card{width:100%;max-width:520px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:3rem;box-shadow:0 10px 40px -10px rgba(0,0,0,.05);animation:fadeUp .4s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card-title{font-size:1.75rem;font-weight:800;margin-bottom:.5rem;color:var(--text);letter-spacing:-.5px}.card-subtitle{color:var(--text-muted);font-size:.95rem;margin-bottom:2.5rem;line-height:1.5}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--text);margin-bottom:.5rem}.form-input{width:100%;padding:.85rem 1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.95rem;font-family:inherit;transition:all .2s;outline:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--border-focus)}.form-input::placeholder{color:var(--text-dim)}.form-input.error{border-color:var(--error)}.form-hint{color:var(--text-dim)}.form-error,.form-hint{font-size:.8rem;margin-top:.4rem}.form-error{color:var(--error)}.subdomain-group{display:flex;align-items:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .2s}.subdomain-group:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--border-focus)}.subdomain-group input{flex:1 1;padding:.85rem 1rem;background:transparent;border:none;color:var(--text);font-size:.95rem;font-family:inherit;outline:none}.subdomain-group input::placeholder{color:var(--text-dim)}.subdomain-suffix{padding:.85rem 1rem;background:#f8fafc;color:var(--text-muted);font-size:.9rem;font-weight:500;border-left:1px solid var(--border)}.subdomain-status{font-size:.8rem;font-weight:500;margin-top:.5rem;display:flex;align-items:center;gap:.4rem}.subdomain-status.available{color:var(--success)}.subdomain-status.taken{color:var(--error)}.subdomain-status.checking{color:var(--text-muted)}.btn{width:100%;padding:.85rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(14,165,233,.25)}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(14,165,233,.3)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#fff;color:var(--text-muted);border:1px solid var(--border)}.btn-secondary:hover{background:#f8fafc;color:var(--text)}.btn-group{display:flex;gap:.75rem;margin-top:1.5rem}.btn-group .btn{flex:1 1}.otp-inputs{display:flex;gap:.6rem;justify-content:center;margin:1.5rem 0}.otp-input{width:50px;height:56px;text-align:center;font-size:1.4rem;font-weight:700;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:inherit;outline:none;transition:all .2s}.otp-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--border-focus)}.tos-container{max-height:300px;overflow-y:auto;background:#f8fafc;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.25rem;font-size:.85rem;line-height:1.6;color:var(--text-muted);white-space:pre-wrap}.tos-container::-webkit-scrollbar{width:6px}.tos-container::-webkit-scrollbar-track{background:transparent}.tos-container::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.checkbox-group{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1.5rem}.checkbox-group input[type=checkbox]{width:20px;height:20px;accent-color:var(--primary);margin-top:2px;flex-shrink:0}.checkbox-group label{font-size:.9rem;color:var(--text);line-height:1.5;cursor:pointer}.success-icon{width:80px;height:80px;border-radius:50%;background:var(--success);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2.5rem;box-shadow:0 8px 24px rgba(16,185,129,.3);animation:popIn .5s cubic-bezier(.175,.885,.32,1.275)}@keyframes popIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.alert{padding:1rem;border-radius:var(--radius);font-size:.9rem;font-weight:500;margin-bottom:1.5rem;width:100%;max-width:520px}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}.spinner{width:20px;height:20px;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.resend-link{background:none;border:none;color:var(--primary);font-size:.9rem;font-weight:600;cursor:pointer;text-decoration:none;font-family:inherit;margin-top:.5rem}.resend-link:hover:not(:disabled){text-decoration:underline}.resend-link:disabled{color:var(--text-dim);cursor:not-allowed}@media (max-width:600px){.card{padding:1.5rem;border-radius:1rem}.step-label{display:none}.step-line{width:24px}.otp-input{width:44px;height:50px;font-size:1.2rem}}