.signup-v3 {
  --ink: #09223e;
  --navy: #071d35;
  --blue: #1468e8;
  --mint: #7de1c8;
  --orange: #f48a3c;
  --paper: #f7f5ef;
  --muted: #5c7385;
  --line: #d9e3ea;
  --danger: #9f1d2c;
  --success: #12634f;
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: #f8fbfd;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.signup-v3 *, .signup-v3 *::before, .signup-v3 *::after { box-sizing: border-box; }
.signup-v3 a { color: inherit; text-decoration: none; }
.signup-v3 img { display: block; max-width: 100%; height: auto; }
.signup-v3 button, .signup-v3 input, .signup-v3 select, .signup-v3 textarea { font: inherit; }
.signup-v3 :focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 12px; padding: 10px 14px; border-radius: 10px; color: #fff; background: var(--navy); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.signup-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(320px, 35%) minmax(0, 65%); }
.signup-aside { position: sticky; top: 0; min-height: 100vh; display: flex; flex-direction: column; gap: 28px; padding: clamp(28px, 5vw, 56px); color: #d8e8f2; background: radial-gradient(circle at 20% 10%, rgba(125,225,200,.24), transparent 30%), linear-gradient(155deg, #06182c, #0a3158); }
.brand-link { display: inline-flex; width: 168px; align-items: center; }
.aside-copy { margin-top: auto; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: .76rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.signup-aside .eyebrow { color: var(--mint); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.08; letter-spacing: -.03em; }
h1 { max-width: 11ch; color: #fff; font-size: clamp(2.55rem, 5vw, 4.9rem); }
h2 { margin-bottom: 12px; font-size: clamp(1.85rem, 4vw, 3.25rem); }
.aside-copy p { max-width: 430px; color: #c6d9e7; }
.conversation-preview { display: grid; gap: 10px; padding: 20px; border: 1px solid rgba(255,255,255,.16); border-radius: 22px; background: rgba(255,255,255,.08); box-shadow: 0 24px 70px rgba(0,0,0,.18); }
.conversation-preview p { margin: 0; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.09); color: #e7f3f9; }
.conversation-preview p:last-child { margin-left: 18px; background: rgba(125,225,200,.14); }
.conversation-preview strong { display: block; margin-bottom: 3px; color: var(--mint); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; }
.benefit-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.benefit-list li { position: relative; padding-left: 24px; color: #e2f0f7; font-weight: 700; }
.benefit-list li::before { content: ""; position: absolute; left: 0; top: .68em; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); }
.aside-status { margin-top: auto; display: grid; gap: 10px; color: #bcd3e0; font-size: .88rem; }
.aside-status a { color: #fff; font-weight: 800; }
.signup-workspace { display: grid; align-content: center; gap: 18px; padding: clamp(18px, 4vw, 54px); }
.mobile-brand { display: none; align-items: center; justify-content: space-between; gap: 16px; }
.mobile-brand a:last-child { color: var(--blue); font-weight: 800; }
.progress-card, .signup-form { width: min(100%, 850px); margin-inline: auto; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: 0 24px 80px rgba(9,34,62,.08); }
.progress-card { display: grid; gap: 14px; padding: 18px; }
.progress-meta { display: flex; justify-content: space-between; gap: 14px; color: var(--muted); font-size: .82rem; font-weight: 800; }
.progress-track { height: 9px; overflow: hidden; border-radius: 999px; background: #e8eff4; }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), #24b693); transition: width .25s ease; }
.step-summary { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.step-summary li { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #fbfdff; font-size: .74rem; font-weight: 800; }
.step-summary li.active { border-color: rgba(20,104,232,.35); color: var(--blue); background: #eef6ff; }
.step-summary li.done { border-color: rgba(18,99,79,.25); color: var(--success); background: #edf9f4; }
.signup-form { display: grid; gap: 22px; padding: clamp(22px, 4vw, 42px); }
.secure-note { width: fit-content; display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid #cfe6dc; border-radius: 999px; color: var(--success); background: #effaf6; font-size: .78rem; font-weight: 800; }
.secure-note span { color: #24b693; }
.wizard-status:empty { display: none; }
.wizard-status { padding: 12px 14px; border-radius: 14px; color: var(--success); background: #effaf6; font-weight: 750; }
.wizard-step { display: grid; gap: 18px; }
.wizard-step[hidden] { display: none; }
.step-intro { max-width: 620px; color: var(--muted); }
fieldset { display: grid; gap: 17px; min-inline-size: 0; margin: 0; padding: 0; border: 0; }
legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
label { display: grid; gap: 7px; color: #344f62; font-size: .86rem; font-weight: 800; }
input, select, textarea { width: 100%; min-height: 48px; padding: 12px 13px; border: 1px solid #bccdda; border-radius: 12px; color: var(--ink); background: #fbfdff; }
input[readonly] { color: #506879; background: #eef3f6; }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: #e19aa3; background: #fffafa; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field-error { min-height: 18px; color: var(--danger); font-size: .78rem; font-weight: 750; }
.segmented, .choice-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.segmented label { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; cursor: pointer; }
.segmented label:has(input:checked) { border-color: rgba(20,104,232,.45); color: var(--blue); background: #eef6ff; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.choice-card { position: relative; display: grid; gap: 8px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: #fbfdff; cursor: pointer; }
.choice-card:has(input:checked) { border-color: rgba(20,104,232,.45); box-shadow: 0 0 0 4px rgba(20,104,232,.08); }
.choice-card input { position: absolute; right: 16px; top: 16px; width: auto; min-height: 0; }
.choice-card span { max-width: 92%; color: var(--muted); font-size: .86rem; font-weight: 600; }
.otp-card { display: grid; grid-template-columns: auto minmax(160px, 1fr) auto; align-items: start; gap: 14px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border: 1px solid transparent; border-radius: 999px; font-weight: 850; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button.primary { color: #fff; background: var(--blue); box-shadow: 0 14px 32px rgba(20,104,232,.22); }
.button.secondary { border-color: #bfd1df; color: var(--navy); background: #fff; }
.button.full { width: 100%; }
.button:disabled { opacity: .62; cursor: not-allowed; transform: none; }
.wizard-actions { display: flex; justify-content: space-between; gap: 14px; border-top: 1px solid var(--line); padding-top: 18px; }
.form-message { min-height: 0; border-radius: 13px; font-size: .9rem; }
.form-message:not(:empty) { padding: 11px 13px; }
.form-message.ok { color: var(--success); background: #effaf6; }
.form-message.error { color: var(--danger); background: #fff1f3; }
.check-row { display: flex; align-items: flex-start; gap: 10px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fbfdff; }
.check-row input { width: 18px; min-height: 18px; margin-top: 3px; }
.review-summary, .signup-complete { display: grid; gap: 12px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: #fbfdff; }
.review-summary dl { display: grid; grid-template-columns: minmax(110px, .45fr) 1fr; gap: 8px 14px; margin: 0; }
.review-summary dt { color: var(--muted); font-size: .78rem; font-weight: 850; text-transform: uppercase; letter-spacing: .06em; }
.review-summary dd { margin: 0; font-weight: 750; }
.voip-status-list { display: grid; gap: 9px; }
.voip-status-item { margin: 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: #fbfdff; font-weight: 750; }
.voip-status-item.error { border-color: #f0aab2; color: var(--danger); background: #fff1f3; }
.voip-detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.voip-detail-grid div { display: grid; gap: 4px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.voip-detail-grid span, .small-note { color: var(--muted); font-size: .78rem; }
.voip-app-links { display: flex; flex-wrap: wrap; gap: 10px; }
.voip-app-links .small-note { flex-basis: 100%; }
.signup-complete img { max-width: 220px; border: 1px solid var(--line); border-radius: 16px; }

@media (max-width: 1100px) {
  .signup-shell { grid-template-columns: 1fr; }
  .signup-aside { display: none; }
  .signup-workspace { min-height: 100vh; align-content: start; }
  .mobile-brand { display: flex; }
}
@media (max-width: 760px) {
  .signup-workspace { padding: 14px; }
  .progress-card, .signup-form { border-radius: 20px; }
  .step-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .step-summary li { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; }
  .field-grid, .choice-grid, .otp-card { grid-template-columns: 1fr; }
  .wizard-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
}
@media (max-width: 430px) {
  .signup-workspace { padding: 12px; }
  .signup-form, .progress-card { padding: 16px; }
  h2 { font-size: 1.8rem; }
  .step-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  .signup-v3 *, .signup-v3 *::before, .signup-v3 *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}