*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0b0a14;
  --surface:   #13101e;
  --surface2:  #1a1628;
  --border:    rgba(155,93,229,.22);
  --accent:    #9b5de5;
  --accent-dk: #7b3fc0;
  --accent2:   #f72585;
  --glow:      rgba(155,93,229,.35);
  --text:      #e8e0ff;
  --muted:     #a89ec0;
  --danger:    #f72585;
  --ok:        #27c93f;
  --radius:    10px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column;
}
a { color: inherit; text-decoration: none; }

/* nav */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,10,20,.85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 60px;
}
.nav-logo {
  font-size: 22px; font-weight: 900; letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-back { font-size: 14px; color: var(--muted); font-weight: 500; transition: color .15s; }
.nav-back:hover { color: var(--text); }

/* main */
main {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 60px 24px; position: relative; overflow: hidden;
}
main::before {
  content: ''; position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(155,93,229,.15) 0%, transparent 65%);
  pointer-events: none;
}

/* card */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 48px; width: 100%; max-width: 480px;
  box-shadow: 0 24px 80px rgba(0,0,0,.5), 0 0 60px var(--glow);
  position: relative; z-index: 1;
}
.card-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; color: var(--accent2);
  background: rgba(247,37,133,.1); border: 1px solid rgba(247,37,133,.3);
  padding: 4px 12px; border-radius: 100px; margin-bottom: 22px; letter-spacing: .4px;
}
.card-badge::before { content: '🚀'; font-size: 13px; }
.card h1 { font-size: 28px; font-weight: 900; letter-spacing: -1px; line-height: 1.15; margin-bottom: 12px; }
.card-sub { font-size: 15px; color: var(--muted); margin-bottom: 28px; line-height: 1.6; }

/* slug input */
.slug-field { margin-bottom: 20px; }
.slug-field label {
  display: block; font-size: 11px; font-weight: 700; margin-bottom: 6px;
  color: var(--muted); text-transform: uppercase; letter-spacing: .6px;
}
.slug-input-wrap {
  display: flex; align-items: center;
  background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color .15s, box-shadow .15s;
}
.slug-input-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(155,93,229,.2); }
.slug-input-wrap.is-ok      { border-color: var(--ok); }
.slug-input-wrap.is-taken   { border-color: var(--danger); }
#slug {
  flex: 1; min-width: 0; border: none; outline: none; background: transparent;
  font-family: monospace; font-size: 16px; font-weight: 700; color: var(--text);
  padding: 11px 6px 11px 14px; caret-color: var(--accent);
}
#slug::placeholder { color: rgba(168,158,192,.45); font-weight: 400; }
.slug-prefix {
  font-size: 13px; color: var(--muted); padding: 0 0 0 12px;
  font-family: monospace; white-space: nowrap; user-select: none;
}
.slug-status {
  font-size: 12px; font-weight: 600; margin-top: 5px; min-height: 18px;
  display: flex; align-items: center; gap: 5px;
}
.slug-status.ok     { color: var(--ok); }
.slug-status.taken  { color: var(--danger); }
.slug-status.checking { color: var(--muted); }

/* billing */
.billing-row { display: flex; gap: 8px; margin-bottom: 18px; }
.bill-opt {
  flex: 1; background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 12px; cursor: pointer; text-align: center;
  transition: border-color .15s, background .15s; position: relative;
}
.bill-opt input[type=radio] { display: none; }
.bill-opt.selected { border-color: var(--accent); background: rgba(155,93,229,.1); }
.bill-opt-title { font-size: 14px; font-weight: 700; }
.bill-opt-price { font-size: 20px; font-weight: 900; letter-spacing: -.5px; margin: 4px 0 2px; }
.bill-opt-note  { font-size: 11px; color: var(--muted); }
.bill-save {
  position: absolute; top: -9px; right: 10px;
  background: var(--accent2); color: #fff;
  font-size: 9px; font-weight: 800; padding: 2px 7px; border-radius: 100px;
}

/* email */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 11px; font-weight: 700; margin-bottom: 6px;
  color: var(--muted); text-transform: uppercase; letter-spacing: .6px;
}
.form-group input[type=email] {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 11px 14px; font-size: 15px; font-family: inherit;
  color: var(--text); outline: none; transition: border-color .15s, box-shadow .15s;
}
.form-group input[type=email]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(155,93,229,.2); }
.form-group input[type=email]::placeholder { color: var(--muted); }

/* submit */
.btn-submit {
  width: 100%; padding: 13px; font-family: inherit; font-size: 16px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-dk)); color: #fff;
  border: none; border-radius: var(--radius); cursor: pointer;
  transition: opacity .15s, transform .1s, box-shadow .15s; box-shadow: 0 4px 20px var(--glow);
  margin-top: 4px;
}
.btn-submit:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 6px 28px var(--glow); }
.btn-submit:active { transform: translateY(0); }
.form-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 14px; line-height: 1.5; }

/* errors */
.error-msg {
  background: rgba(247,37,133,.1); border: 1px solid rgba(247,37,133,.3);
  color: var(--danger); border-radius: var(--radius); padding: 10px 14px;
  font-size: 13px; font-weight: 500; margin-bottom: 16px;
}

/* success */
.success-wrap { text-align: center; }
.success-icon { font-size: 56px; margin-bottom: 20px; }
.success-address {
  display: inline-block;
  font-family: monospace; font-size: 18px; font-weight: 700;
  color: var(--accent); background: rgba(155,93,229,.1);
  border: 1px solid rgba(155,93,229,.3); padding: 8px 18px; border-radius: 8px;
  margin: 8px 0 24px;
}
.success-wrap h2 { font-size: 26px; font-weight: 900; letter-spacing: -.8px; margin-bottom: 8px; }
.success-wrap p  { font-size: 15px; color: var(--muted); line-height: 1.65; margin-bottom: 28px; }
.btn-back {
  display: inline-flex; align-items: center; gap: 6px; font-family: inherit;
  font-size: 14px; font-weight: 600; color: var(--muted); background: var(--surface2);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 9px 20px;
  transition: color .15s, border-color .15s; text-decoration: none;
}
.btn-back:hover { color: var(--text); border-color: var(--accent); }

/* trust strip */
.trust-strip {
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  margin-top: 24px; position: relative; z-index: 1;
}
.trust-item { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); font-weight: 500; }
.trust-item span { font-size: 16px; }

/* footer */
footer { padding: 28px 0; border-top: 1px solid var(--border); text-align: center; }
.footer-copy { font-size: 12px; color: var(--muted); }

@media (max-width: 520px) { .card { padding: 32px 24px; } }