*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0f1a;
  --surface:#111827;
  --surface-el:#1e293b;
  --primary:#49BA98;
  --primary-hover:#3da882;
  --primary-glow:rgba(73,186,152,0.12);
  --text:#f8fafc;
  --muted:#94a3b8;
  --subtle:#64748b;
  --border:#1e293b;
  --success:#49BA98;
  --gradient:linear-gradient(135deg,#49BA98 0%,#5fd4ae 100%);
  --error:#f87171;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}

/* NAV */
.nav{padding:16px 0;border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:800}
.logo img{height:28px;width:auto}
.nav-back{font-size:14px;font-weight:500;color:var(--muted);transition:color .2s}
.nav-back:hover{color:var(--text)}

/* MAIN */
.signup-container{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 24px}
.signup-card{width:100%;max-width:640px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:48px 40px}
.signup-card h1{font-size:28px;font-weight:800;margin-bottom:8px}
.signup-card .subtitle{font-size:15px;color:var(--muted);margin-bottom:32px}
.price-tag{display:inline-flex;align-items:baseline;gap:4px;font-size:14px;color:var(--primary);font-weight:600;background:var(--primary-glow);border:1px solid rgba(73,186,152,.25);border-radius:100px;padding:4px 14px;margin-bottom:24px}
.price-tag .amount{font-size:20px;font-weight:800}

/* FORM */
.form-section{margin-bottom:28px}
.form-section-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-row.full{grid-template-columns:1fr}
.form-row.triple{grid-template-columns:1fr 1fr 1fr}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:13px;font-weight:500;color:var(--muted)}
.form-group input,.form-group select{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 14px;font-size:14px;color:var(--text);font-family:inherit;transition:border-color .2s;outline:none}
.form-group input:focus,.form-group select:focus{border-color:var(--primary)}
.form-group input::placeholder{color:var(--subtle)}
.form-group input.error{border-color:var(--error)}
.form-group .error-text{font-size:12px;color:var(--error)}
.form-group select{appearance:none;cursor:pointer}

/* DOMAIN */
.domain-status{font-size:12px;margin-top:4px}
.domain-status.available{color:var(--success)}
.domain-status.taken{color:var(--error)}

/* BUTTONS */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:14px 32px;font-size:16px;font-weight:600;border-radius:10px;border:none;cursor:pointer;transition:all .2s;background:var(--gradient);color:#fff}
.btn-primary:hover{opacity:.9;transform:translateY(-1px)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* FINE PRINT */
.fine-print{font-size:12px;color:var(--subtle);text-align:center;margin-top:16px;line-height:1.6}
.fine-print a{color:var(--primary);text-decoration:underline}

/* FOOTER */
.signup-footer{text-align:center;padding:24px;font-size:13px;color:var(--subtle);border-top:1px solid var(--border)}

/* STEP INDICATOR */
.steps{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:32px}
.step{width:32px;height:4px;border-radius:2px;background:var(--border);transition:background .3s}
.step.active{background:var(--primary)}

@media(max-width:600px){
  .signup-card{padding:32px 20px}
  .form-row{grid-template-columns:1fr}
  .form-row.triple{grid-template-columns:1fr}
}