/* ============================================================
       PREMIUM ONBOARDING — scoped styles
       Split layout · dark brand rail (left) · form canvas (right)
       ============================================================ */
    :root {
      --on-bg:        #f4f5fb;
      --on-ink:       #0b0f24;
      --on-ink-2:     #1f2542;
      --on-muted:     #6b7393;
      --on-muted-2:   #99a0bd;
      --on-border:    #e6e8f2;
      --on-border-2:  #eef0f7;
      --on-accent:    #2f6bff;
      --on-purple:    #6c5ce7;
      --on-gold:      #c9a36b;
      --on-success:   #16a34a;
      --on-card:      #ffffff;
      --on-rail-bg:   #0b0f24;
      --on-rail-ink:  #f4f5fb;
      --on-rail-mute: #8b91b3;
      --on-shadow-sm: 0 1px 2px rgba(11,15,36,.06);
      --on-shadow:    0 8px 24px -8px rgba(11,15,36,.12);
      --on-shadow-lg: 0 24px 60px -20px rgba(11,15,36,.22);
      --on-radius:    14px;
      --on-radius-lg: 22px;
    }

    body { background: var(--on-bg); color: var(--on-ink); font-family: 'Inter', system-ui, sans-serif; }
    .on-display { font-family: 'Plus Jakarta Sans', 'Inter', sans-serif; }

    /* ── Hide global nav so the wizard owns the page ────────────── */
    body > .nav, .nav#nav { display: none !important; }

    /* ──────────────────────────────────────────────────────────────
       LAYOUT
       ────────────────────────────────────────────────────────────── */
    .on-shell {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr;
      background: var(--on-bg);
    }
    @media (min-width: 1024px) {
      .on-shell { grid-template-columns: 440px 1fr; }
    }
    @media (min-width: 1440px) {
      .on-shell { grid-template-columns: 500px 1fr; }
    }

    /* ──────────────────────────────────────────────────────────────
       LEFT — Dark brand rail
       ────────────────────────────────────────────────────────────── */
    .on-rail {
      position: relative;
      background: var(--on-rail-bg);
      color: var(--on-rail-ink);
      padding: 2.5rem 2.25rem;
      display: flex; flex-direction: column;
      overflow: hidden;
      min-height: 320px;
    }
    @media (min-width: 1024px) {
      .on-rail {
        position: sticky; top: 0;
        height: 100vh;
        padding: 3rem 2.75rem;
      }
    }
    /* Animated mesh-gradient backdrop */
    .on-rail::before, .on-rail::after {
      content: ''; position: absolute; inset: 0;
      pointer-events: none; z-index: 0;
    }
    .on-rail::before {
      background:
        radial-gradient(600px 480px at 20% 110%, rgba(47,107,255,.45), transparent 60%),
        radial-gradient(520px 420px at 110% 10%,  rgba(108,92,231,.40), transparent 60%),
        radial-gradient(380px 320px at 50% 50%,   rgba(201,163,107,.10), transparent 60%);
      filter: blur(8px);
      animation: onMeshFloat 18s ease-in-out infinite alternate;
    }
    .on-rail::after {
      background:
        repeating-linear-gradient( 0deg, rgba(255,255,255,.02) 0 1px, transparent 1px 96px),
        repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0 1px, transparent 1px 96px);
      mix-blend-mode: overlay;
    }
    @keyframes onMeshFloat {
      0%   { transform: translate3d(0,0,0) scale(1); }
      50%  { transform: translate3d(2%, -2%, 0) scale(1.05); }
      100% { transform: translate3d(-2%, 2%, 0) scale(1); }
    }
    .on-rail > * { position: relative; z-index: 1; }

    /* Brand */
    .on-brand {
      display: inline-flex; align-items: center; gap: .65rem;
      color: #fff; font-weight: 700; font-size: 1.1rem;
      text-decoration: none;
    }
    .on-brand__mark {
      width: 36px; height: 36px; border-radius: 10px;
      display: grid; place-items: center;
      background: linear-gradient(135deg, #2f6bff, #6c5ce7);
      box-shadow: 0 8px 24px -6px rgba(108,92,231,.6);
    }
    .on-brand__name { font-family: 'Plus Jakarta Sans', sans-serif; letter-spacing: -.01em; }

    /* Vertical step rail */
    .on-steps {
      margin-top: 3.25rem;
      display: flex; flex-direction: column; gap: .25rem;
      position: relative;
    }
    .on-steps::before {
      content: ''; position: absolute;
      left: 18px; top: 14px; bottom: 14px; width: 2px;
      background: rgba(255,255,255,.08);
      border-radius: 2px;
    }
    .on-step {
      display: flex; align-items: center; gap: 1rem;
      padding: .7rem .25rem;
      cursor: default;
      color: var(--on-rail-mute);
      font-size: .92rem; font-weight: 500;
      transition: color .25s ease;
      position: relative;
    }
    .on-step__dot {
      width: 38px; height: 38px; border-radius: 50%;
      display: grid; place-items: center;
      background: rgba(255,255,255,.04);
      border: 1.5px solid rgba(255,255,255,.10);
      font-size: .85rem; font-weight: 700; color: rgba(255,255,255,.55);
      flex-shrink: 0;
      transition: all .35s cubic-bezier(.4,0,.2,1);
      position: relative; z-index: 1;
    }
    .on-step__label { transition: color .25s ease; }
    .on-step__sub { display: block; font-size: .78rem; font-weight: 400; color: var(--on-rail-mute); margin-top: 2px; }

    .on-step.is-active { color: #fff; }
    .on-step.is-active .on-step__dot {
      background: linear-gradient(135deg, #2f6bff, #6c5ce7);
      border-color: transparent;
      color: #fff;
      box-shadow: 0 0 0 6px rgba(108,92,231,.18), 0 12px 28px -8px rgba(108,92,231,.6);
      transform: scale(1.04);
    }
    .on-step.is-done { color: rgba(255,255,255,.85); cursor: pointer; }
    .on-step.is-done .on-step__dot {
      background: rgba(255,255,255,.95);
      border-color: transparent;
      color: var(--on-ink);
    }
    .on-step.is-done .on-step__dot::after {
      content: '✓'; font-size: 1rem; font-weight: 800;
    }
    .on-step.is-done .on-step__dot > span { display: none; }

    /* Per-step narrative card (testimonial / value prop / security) */
    .on-quote-stack {
      margin-top: auto;
      position: relative;
    }
    .on-quote {
      position: absolute; inset: 0;
      opacity: 0; transform: translateY(8px);
      transition: opacity .45s ease, transform .45s ease;
      pointer-events: none;
    }
    .on-quote.is-active {
      position: relative;
      opacity: 1; transform: none;
      pointer-events: auto;
    }
    .on-quote__card {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
      backdrop-filter: blur(6px);
      border-radius: var(--on-radius-lg);
      padding: 1.5rem 1.4rem;
    }
    .on-quote__mark {
      width: 32px; height: 32px;
      display: grid; place-items: center;
      border-radius: 8px;
      background: rgba(255,255,255,.08);
      color: #fff; margin-bottom: 1rem;
    }
    .on-quote__text {
      font-size: 1.02rem; line-height: 1.55;
      color: #fff; font-weight: 500;
      letter-spacing: -.005em;
    }
    .on-quote__attrib {
      display: flex; align-items: center; gap: .65rem;
      margin-top: 1.1rem;
    }
    .on-quote__avatar {
      width: 36px; height: 36px; border-radius: 50%;
      background: linear-gradient(135deg, #c9a36b, #6c5ce7);
      display: grid; place-items: center;
      color: #fff; font-weight: 700; font-size: .8rem;
      flex-shrink: 0;
      box-shadow: 0 4px 12px rgba(0,0,0,.25);
    }
    .on-quote__who { font-size: .85rem; color: #fff; font-weight: 600; }
    .on-quote__who small { display: block; color: rgba(255,255,255,.55); font-weight: 400; font-size: .76rem; }

    .on-quote--stat .on-quote__text { font-size: .92rem; color: rgba(255,255,255,.85); }
    .on-quote__metric {
      display: flex; align-items: baseline; gap: .5rem;
      margin-bottom: .35rem;
    }
    .on-quote__metric strong {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 2rem; font-weight: 800; color: #fff;
      letter-spacing: -.02em;
    }
    .on-quote__metric span { color: var(--on-rail-mute); font-size: .82rem; }

    /* Trust strip at very bottom */
    .on-trust {
      margin-top: 1.25rem;
      display: flex; align-items: center; gap: .9rem;
      font-size: .76rem; color: rgba(255,255,255,.5);
    }
    .on-trust svg { color: rgba(255,255,255,.7); }

    /* ──────────────────────────────────────────────────────────────
       RIGHT — Form canvas
       ────────────────────────────────────────────────────────────── */
    .on-canvas {
      position: relative;
      display: flex; flex-direction: column;
      min-height: 100vh;
      background:
        radial-gradient(800px 400px at 100% -10%, rgba(108,92,231,.05), transparent 60%),
        radial-gradient(600px 320px at -10% 110%, rgba(47,107,255,.05), transparent 60%),
        var(--on-bg);
    }
    .on-canvas__top {
      display: flex; align-items: center; justify-content: space-between;
      padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
      font-size: .88rem; color: var(--on-muted);
    }
    .on-canvas__top a { color: var(--on-ink); font-weight: 600; text-decoration: none; }
    .on-canvas__top a:hover { color: var(--on-accent); }

    .on-canvas__body {
      flex: 1;
      padding: clamp(1rem, 3vw, 2rem) clamp(1.25rem, 4vw, 3rem) 2rem;
      display: flex; align-items: flex-start; justify-content: center;
    }
    .on-form {
      width: 100%; max-width: 640px;
    }
    @media (min-width: 1440px) { .on-form { max-width: 720px; } }

    .on-pane { display: none; animation: onFade .35s ease; }
    .on-pane.is-active { display: block; }
    @keyframes onFade { from { opacity: 0; } to { opacity: 1; } }

    .on-pane__eyebrow {
      display: inline-flex; align-items: center; gap: .5rem;
      color: var(--on-purple); font-weight: 600; font-size: .82rem;
      letter-spacing: .04em; text-transform: uppercase;
      margin-bottom: .9rem;
    }
    .on-pane__eyebrow::before {
      content: ''; width: 6px; height: 6px; border-radius: 50%;
      background: var(--on-purple);
      box-shadow: 0 0 0 4px rgba(108,92,231,.18);
    }
    .on-pane h2 {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: clamp(1.6rem, 2.6vw, 2.1rem);
      font-weight: 800; letter-spacing: -.02em;
      color: var(--on-ink); line-height: 1.15;
      margin-bottom: .6rem;
    }
    .on-pane__sub {
      color: var(--on-muted); font-size: 1rem; line-height: 1.55;
      max-width: 560px; margin-bottom: 2.25rem;
    }

    /* ──────────────────────────────────────────────────────────────
       FORM PRIMITIVES
       ────────────────────────────────────────────────────────────── */
    .on-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
    @media (min-width: 600px) { .on-grid--2 { grid-template-columns: 1fr 1fr; } }

    .on-field { display: flex; flex-direction: column; gap: .45rem; }
    .on-field--full { grid-column: 1 / -1; }
    .on-field > label {
      font-size: .82rem; font-weight: 600; color: var(--on-ink-2);
      display: flex; justify-content: space-between; align-items: center;
    }
    .on-field > label small { font-weight: 400; color: var(--on-muted); font-size: .76rem; }

    .on-input, .on-select, .on-textarea {
      width: 100%;
      padding: .85rem 1rem;
      border: 1.5px solid var(--on-border);
      border-radius: 12px;
      background: var(--on-card);
      color: var(--on-ink);
      font-size: .95rem; font-family: inherit;
      transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
      box-shadow: var(--on-shadow-sm);
    }
    .on-input:hover, .on-select:hover { border-color: #cdd3e3; }
    .on-input:focus, .on-select:focus, .on-textarea:focus {
      outline: none; border-color: var(--on-accent);
      box-shadow: 0 0 0 4px rgba(47,107,255,.14), var(--on-shadow-sm);
    }
    .on-input::placeholder { color: #b6bccc; }
    .on-select {
      appearance: none;
      background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%236b7393' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M3 5l3 3 3-3'/></svg>");
      background-repeat: no-repeat;
      background-position: right 1rem center;
      background-size: 12px;
      padding-right: 2.4rem;
    }

    .on-hint { font-size: .78rem; color: var(--on-muted); }
    .on-input-wrap { position: relative; }
    .on-input-wrap__prefix {
      position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
      color: var(--on-muted); font-size: .9rem; pointer-events: none;
      font-weight: 500;
    }
    .on-input--with-prefix { padding-left: 2.6rem; }

    /* Password strength */
    .on-pw { display: flex; gap: 4px; margin-top: .4rem; }
    .on-pw__bar { flex: 1; height: 4px; background: var(--on-border); border-radius: 4px; transition: background .2s; }
    .on-pw__bar.is-on--weak    { background: #ef4444; }
    .on-pw__bar.is-on--medium  { background: #f59e0b; }
    .on-pw__bar.is-on--strong  { background: #16a34a; }

    /* Choice cards */
    .on-choices { display: grid; gap: .65rem; grid-template-columns: 1fr; }
    @media (min-width: 600px) { .on-choices--2 { grid-template-columns: 1fr 1fr; } }
    @media (min-width: 800px) { .on-choices--3 { grid-template-columns: repeat(3, 1fr); } }
    .on-choice {
      position: relative;
      display: flex; align-items: flex-start; gap: .8rem;
      padding: .95rem 1.05rem;
      border: 1.5px solid var(--on-border);
      border-radius: 14px;
      background: var(--on-card); cursor: pointer;
      transition: border-color .15s, box-shadow .15s, background .15s, transform .15s;
      box-shadow: var(--on-shadow-sm);
    }
    .on-choice:hover { border-color: #cdd3e3; transform: translateY(-1px); box-shadow: var(--on-shadow); }
    .on-choice input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
    .on-choice__dot {
      width: 20px; height: 20px; border-radius: 50%;
      border: 1.5px solid var(--on-border); flex-shrink: 0;
      display: grid; place-items: center;
      transition: border-color .15s, background .15s;
      margin-top: 1px;
    }
    .on-choice__dot::after {
      content: ''; width: 8px; height: 8px; border-radius: 50%; background: #fff;
      transform: scale(0); transition: transform .15s ease;
    }
    .on-choice__title { font-weight: 600; font-size: .95rem; color: var(--on-ink); display:block; }
    .on-choice__sub { font-size: .82rem; color: var(--on-muted); margin-top: .15rem; display: block; }
    .on-choice input:checked ~ .on-choice__dot { border-color: var(--on-accent); background: var(--on-accent); }
    .on-choice input:checked ~ .on-choice__dot::after { transform: scale(1); }
    .on-choice:has(input:checked) {
      border-color: var(--on-accent);
      background: rgba(47,107,255,.04);
      box-shadow: 0 0 0 3px rgba(47,107,255,.10);
    }
    .on-choice__dot--square { border-radius: 6px; }
    .on-choice__dot--square::after { border-radius: 2px; }

    /* ──────────────────────────────────────────────────────────────
       PLAN CARDS
       ────────────────────────────────────────────────────────────── */
    .on-billing {
      display: inline-flex; align-items: center; gap: .25rem;
      background: #fff; border: 1.5px solid var(--on-border);
      border-radius: 999px; padding: 4px;
      position: relative;
      box-shadow: var(--on-shadow-sm);
    }
    .on-billing__opt {
      position: relative; z-index: 2;
      padding: .55rem 1.2rem; border-radius: 999px;
      font-size: .88rem; font-weight: 600; color: var(--on-muted);
      cursor: pointer; transition: color .25s ease;
      display: inline-flex; align-items: center; gap: .5rem;
      border: 0; background: transparent;
    }
    .on-billing__opt.is-active { color: var(--on-ink); }
    .on-billing__save {
      background: rgba(22,163,74,.12); color: var(--on-success);
      font-size: .65rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
      padding: .15rem .5rem; border-radius: 999px;
    }
    .on-billing__pill {
      position: absolute; top: 4px; bottom: 4px; left: 4px;
      background: var(--on-ink);
      border-radius: 999px;
      transition: transform .35s cubic-bezier(.4,0,.2,1), width .35s cubic-bezier(.4,0,.2,1);
      z-index: 1;
    }
    .on-billing__opt.is-active { color: #fff; transition: color .35s .1s ease; }

    .on-plans {
      display: grid; gap: 1rem; grid-template-columns: 1fr;
      margin-top: 1.75rem;
    }
    @media (min-width: 760px) { .on-plans { grid-template-columns: repeat(3, 1fr); } }

    .on-plan {
      position: relative;
      border: 1.5px solid var(--on-border); border-radius: 20px;
      padding: 1.5rem 1.35rem 1.4rem;
      background: var(--on-card); cursor: pointer;
      transition: all .25s ease;
      display: flex; flex-direction: column; gap: .9rem;
      box-shadow: var(--on-shadow-sm);
      overflow: hidden;
    }
    .on-plan::before {
      content: ''; position: absolute; inset: -1px -1px auto -1px; height: 4px;
      background: transparent;
      transition: background .25s ease;
    }
    .on-plan input { position: absolute; inset: 0; opacity: 0; cursor: pointer; z-index: 1; }
    .on-plan:hover { border-color: #cdd3e3; transform: translateY(-3px); box-shadow: var(--on-shadow); }
    .on-plan:has(input:checked) {
      border-color: var(--on-ink);
      box-shadow: 0 0 0 3px rgba(11,15,36,.08), var(--on-shadow-lg);
    }
    .on-plan:has(input:checked)::before { background: var(--on-ink); }

    .on-plan--popular { border-color: rgba(108,92,231,.4); }
    .on-plan--popular:has(input:checked) {
      border-color: var(--on-purple);
      box-shadow: 0 0 0 3px rgba(108,92,231,.18), var(--on-shadow-lg);
    }
    .on-plan--popular:has(input:checked)::before { background: linear-gradient(90deg, #2f6bff, #6c5ce7); }

    .on-plan__badge {
      position: absolute; top: 14px; right: 14px;
      background: linear-gradient(90deg, #2f6bff, #6c5ce7); color: #fff;
      font-size: .65rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
      padding: .25rem .65rem; border-radius: 999px;
      z-index: 2;
    }
    .on-plan__name {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 700; font-size: 1.05rem; color: var(--on-ink);
      /* Clear the absolutely-positioned check on the left and the badge on the right */
      padding-left: 34px;
      min-height: 22px;
      display: flex;
      align-items: center;
    }
    .on-plan--popular .on-plan__name { padding-right: 110px; }
    .on-plan__desc { color: var(--on-muted); font-size: .85rem; min-height: 2.5em; line-height: 1.4; }
    .on-plan__price { display: flex; align-items: baseline; gap: .3rem; padding-top: .25rem; }
    .on-plan__price strong {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 2.1rem; font-weight: 800;
      letter-spacing: -.025em; color: var(--on-ink);
    }
    .on-plan__price small { color: var(--on-muted); font-size: .85rem; }
    .on-plan__price s { color: var(--on-muted-2); font-size: .85rem; margin-left: .35rem; }
    .on-plan__list { display: flex; flex-direction: column; gap: .5rem; margin-top: .5rem; }
    .on-plan__list li {
      font-size: .85rem; color: var(--on-ink-2);
      display: flex; align-items: flex-start; gap: .55rem;
      line-height: 1.4;
    }
    .on-plan__list li svg { color: var(--on-success); flex-shrink: 0; margin-top: 2px; }

    .on-plan__check {
      position: absolute; top: 14px; left: 14px;
      width: 22px; height: 22px; border-radius: 50%;
      border: 1.5px solid var(--on-border); background: #fff;
      display: grid; place-items: center;
      transition: all .2s ease;
      z-index: 2;
    }
    .on-plan:has(input:checked) .on-plan__check {
      background: var(--on-ink); border-color: var(--on-ink);
    }
    .on-plan:has(input:checked) .on-plan__check::after {
      content: ''; width: 8px; height: 8px;
      background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23ffffff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M2 6l3 3 5-6'/></svg>") center/8px no-repeat;
    }
    .on-plan--popular:has(input:checked) .on-plan__check { background: var(--on-purple); border-color: var(--on-purple); }

    .on-skip-row { text-align: center; margin-top: 1.5rem; color: var(--on-muted); font-size: .88rem; }
    .on-skip-row a { color: var(--on-accent); font-weight: 600; }

    /* ── Free trial opt-in toggle ── */
    .on-trial-opt {
      display: flex;
      align-items: flex-start;
      gap: .9rem;
      margin-top: 1.2rem;
      padding: 1rem 1.2rem;
      background: linear-gradient(135deg, rgba(16,185,129,.07) 0%, rgba(16,185,129,.03) 100%);
      border: 1.5px solid rgba(16,185,129,.3);
      border-radius: 12px;
      cursor: pointer;
      transition: border-color .2s, background .2s;
    }
    .on-trial-opt:hover { border-color: rgba(16,185,129,.6); background: linear-gradient(135deg, rgba(16,185,129,.11) 0%, rgba(16,185,129,.05) 100%); }
    .on-trial-opt input[type="checkbox"] { position: absolute; opacity: 0; pointer-events: none; }
    .on-trial-opt__box {
      flex-shrink: 0;
      width: 20px;
      height: 20px;
      border: 2px solid rgba(16,185,129,.4);
      border-radius: 6px;
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: .15rem;
      transition: all .2s;
      color: transparent;
    }
    .on-trial-opt input:checked ~ .on-trial-opt__box,
    .on-trial-opt:has(input:checked) .on-trial-opt__box {
      background: #10b981;
      border-color: #10b981;
      color: #fff;
    }
    .on-trial-opt__body { display: flex; flex-direction: column; gap: .25rem; }
    .on-trial-opt__title { font-size: .97rem; font-weight: 700; color: #0b0f24; display: flex; align-items: center; gap: .4rem; }
    .on-trial-opt__desc  { font-size: .85rem; color: var(--on-muted,#6b7280); line-height: 1.5; }
    .on-trial-opt__charge { font-size: .84rem; color: #059669; margin-top: .1rem; }

    /* ── Trial notice on payment step ── */
    .on-trial-notice {
      display: flex;
      align-items: flex-start;
      gap: .7rem;
      margin-top: .75rem;
      padding: .9rem 1rem;
      background: rgba(16,185,129,.08);
      border: 1.5px solid rgba(16,185,129,.25);
      border-radius: 10px;
      font-size: .88rem;
      color: #065f46;
      line-height: 1.5;
    }
    .on-trial-notice svg { flex-shrink: 0; margin-top: .1rem; color: #10b981; }

    /* ──────────────────────────────────────────────────────────────
       PAYMENT / SUMMARY
       ────────────────────────────────────────────────────────────── */
    .on-pay-grid {
      display: grid; gap: 1.25rem; grid-template-columns: 1fr;
    }
    @media (min-width: 880px) {
      .on-pay-grid { grid-template-columns: 1fr 320px; align-items: start; }
    }

    .on-summary {
      background: var(--on-card);
      border: 1.5px solid var(--on-border); border-radius: var(--on-radius-lg);
      padding: 1.4rem 1.4rem;
      box-shadow: var(--on-shadow-sm);
      position: sticky; top: 1.5rem;
    }
    .on-summary__title {
      font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
      color: var(--on-muted); margin-bottom: 1rem;
    }
    .on-summary__plan {
      display: flex; align-items: flex-start; justify-content: space-between;
      gap: .75rem; padding-bottom: 1rem; border-bottom: 1px solid var(--on-border-2);
      margin-bottom: 1rem;
    }
    .on-summary__plan strong {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 1.05rem; color: var(--on-ink); display: block;
    }
    .on-summary__plan small { display: block; color: var(--on-muted); font-size: .82rem; margin-top: .15rem; line-height: 1.4; }
    .on-summary__chip {
      flex-shrink: 0;
      display: inline-flex; align-items: center;
      background: var(--on-bg); border: 1px solid var(--on-border);
      border-radius: 999px; padding: .25rem .65rem;
      font-size: .72rem; font-weight: 600; color: var(--on-ink-2);
    }
    .on-summary__row {
      display: flex; justify-content: space-between; align-items: center;
      padding: .4rem 0; font-size: .9rem; color: var(--on-ink-2);
    }
    .on-summary__row--saving { color: var(--on-success); }
    .on-summary__row--total {
      border-top: 1px dashed var(--on-border); margin-top: .6rem; padding-top: .95rem;
      font-weight: 700; font-size: 1.05rem; color: var(--on-ink);
    }
    .on-summary__row--total span:last-child {
      font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.25rem;
    }
    .on-summary__trial {
      margin-top: 1rem; padding-top: 1rem;
      border-top: 1px solid var(--on-border-2);
      display: flex; align-items: flex-start; gap: .65rem;
      font-size: .82rem; color: var(--on-muted); line-height: 1.5;
    }
    .on-summary__trial svg { color: var(--on-success); flex-shrink: 0; margin-top: 2px; }

    /* ──────────────────────────────────────────────────────────
       REVIEW PANE — centered, premium summary card
       ────────────────────────────────────────────────────────── */
    .on-review {
      max-width: 560px; margin: 1.5rem auto 0;
      background: var(--on-card);
      border: 1.5px solid var(--on-border);
      border-radius: var(--on-radius-lg);
      padding: 1.75rem 1.75rem 1.5rem;
      box-shadow: var(--on-shadow);
      position: relative;
      overflow: hidden;
    }
    .on-review::before {
      content: ''; position: absolute; inset: 0 0 auto 0; height: 4px;
      background: linear-gradient(90deg, #2f6bff, #6c5ce7);
    }
    .on-review__head {
      display: flex; align-items: flex-start; justify-content: space-between;
      gap: 1rem; padding-bottom: 1.25rem;
      border-bottom: 1px solid var(--on-border-2);
    }
    .on-review__plan strong {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 1.25rem; color: var(--on-ink); display: block;
      letter-spacing: -.01em;
    }
    .on-review__plan small {
      display: block; color: var(--on-muted);
      font-size: .9rem; margin-top: .25rem; line-height: 1.4;
    }
    .on-review__lines { padding: 1rem 0 .25rem; }
    .on-review__lines .on-summary__row { font-size: .95rem; padding: .55rem 0; }

    .on-review__total {
      display: flex; align-items: center; justify-content: space-between;
      gap: 1rem; margin-top: .75rem; padding: 1.1rem 1.25rem;
      background: linear-gradient(135deg, rgba(47,107,255,.06), rgba(108,92,231,.06));
      border: 1px solid rgba(108,92,231,.18);
      border-radius: 14px;
    }
    .on-review__total-label {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 700; font-size: 1rem; color: var(--on-ink);
      display: block;
    }
    .on-review__total-sub {
      display: block; color: var(--on-muted); font-size: .78rem;
      margin-top: .15rem;
    }
    .on-review__total-amount {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 2rem; font-weight: 800; color: var(--on-ink);
      letter-spacing: -.025em;
    }

    .on-review__edit {
      display: inline-flex; align-items: center; gap: .4rem;
      margin-top: 1.25rem; color: var(--on-accent);
      font-size: .88rem; font-weight: 600;
      text-decoration: none;
    }
    .on-review__edit:hover { color: var(--on-purple); }

    /* ──────────────────────────────────────────────────────────
       PAYMENT PANE — slim plan-strip header
       ────────────────────────────────────────────────────────── */
    .on-pay-strip {
      display: flex; align-items: center; justify-content: space-between;
      gap: 1rem; margin: 1.25rem 0 1.5rem;
      padding: .9rem 1.1rem;
      background: var(--on-bg);
      border: 1px solid var(--on-border);
      border-radius: 12px;
    }
    .on-pay-strip strong {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 700; color: var(--on-ink); display: block;
    }
    .on-pay-strip small {
      display: block; color: var(--on-muted);
      font-size: .8rem; margin-top: .1rem;
    }
    .on-pay-strip a {
      color: var(--on-accent); font-weight: 600;
      font-size: .85rem; text-decoration: none;
      padding: .35rem .75rem; border-radius: 8px;
      transition: background .2s ease;
    }
    .on-pay-strip a:hover { background: rgba(47,107,255,.08); }

    /* ── Card preview block ── */
    .on-cc-block {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      align-items: stretch;
    }

    /* Animated card preview */
    .on-card-preview {
      width: 100%;
      max-width: 380px;
      margin: 0 auto;
      aspect-ratio: 86/54;
      border-radius: 16px;
      background: linear-gradient(135deg, #1a2040 0%, #2d3a6b 60%, #1a56a0 100%);
      padding: 1.4rem 1.5rem 1.2rem;
      box-shadow: 0 18px 48px -12px rgba(11,15,36,.55), 0 0 0 1px rgba(255,255,255,.06);
      transition: background .5s ease;
      overflow: hidden;
      position: relative;
    }
    /* Subtle holographic shimmer */
    .on-card-preview::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,.08) 0%, transparent 60%),
                  radial-gradient(ellipse at 80% 80%, rgba(255,255,255,.05) 0%, transparent 50%);
      pointer-events: none;
    }
    .on-card-preview__inner {
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      z-index: 1;
    }
    .on-card-preview__top {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .on-card-preview__chip { flex-shrink: 0; }
    .on-card-preview__brand {
      font-size: 1.2rem;
      font-weight: 900;
      letter-spacing: .12em;
      color: #fff;
      font-family: 'Plus Jakarta Sans', sans-serif;
      text-shadow: 0 1px 4px rgba(0,0,0,.35);
      transition: opacity .3s ease;
      user-select: none;
    }
    /* Brand-specific colour overrides */
    .on-card-preview[data-brand="mastercard"] { background: linear-gradient(135deg,#1a1a2e,#c0392b 100%); }
    .on-card-preview[data-brand="amex"]       { background: linear-gradient(135deg,#004f9f,#00b2a9 100%); }
    .on-card-preview[data-brand="discover"]   { background: linear-gradient(135deg,#c75200,#f79e1b 100%); }
    .on-card-preview[data-brand="diners"]     { background: linear-gradient(135deg,#1a1a1a,#4a4a4a 100%); }
    .on-card-preview[data-brand="jcb"]        { background: linear-gradient(135deg,#003087,#009f6b 100%); }
    .on-card-preview[data-brand="visa"]       { background: linear-gradient(135deg,#1a2040,#2d3a6b 60%,#1a56a0 100%); }
    .on-card-preview__number {
      font-size: 1.15rem;
      letter-spacing: .18em;
      color: rgba(255,255,255,.92);
      font-family: 'Courier New', monospace;
      text-align: center;
      margin: .5rem 0;
      text-shadow: 0 1px 6px rgba(0,0,0,.3);
      transition: color .2s;
    }
    .on-card-preview__footer {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 1rem;
    }
    .on-card-preview__field { display: flex; flex-direction: column; gap: .15rem; }
    .on-card-preview__field--right { align-items: flex-end; }
    .on-card-preview__label {
      font-size: .58rem;
      text-transform: uppercase;
      letter-spacing: .1em;
      color: rgba(255,255,255,.55);
      font-family: 'Inter', sans-serif;
    }
    .on-card-preview__value {
      font-size: .82rem;
      font-weight: 600;
      color: rgba(255,255,255,.92);
      font-family: 'Inter', sans-serif;
      letter-spacing: .04em;
      text-shadow: 0 1px 4px rgba(0,0,0,.3);
      transition: opacity .2s;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 160px;
    }

    /* Stripe Element input styling */
    .on-stripe-element {
      background: #ffffff;
      border: 1.5px solid var(--on-border);
      border-radius: 12px;
      padding: .9rem 1rem;
      transition: border-color .2s;
    }
    .on-stripe-element:focus-within {
      border-color: var(--on-accent);
      box-shadow: 0 0 0 3px rgba(47,107,255,.12);
    }

    .on-pay-section { margin-top: 1.5rem; }
    .on-pay-label {
      font-size: .82rem; font-weight: 600; color: var(--on-ink-2);
      margin-bottom: .7rem;
      display: flex; justify-content: space-between; align-items: center;
    }
    .on-brand-strip {
      display: flex; align-items: center; gap: .4rem;
    }
    .on-brand-strip span {
      width: 34px; height: 22px; border-radius: 4px;
      background: #fff; border: 1px solid var(--on-border);
      display: grid; place-items: center;
      font-size: .56rem; font-weight: 800; color: var(--on-ink-2); letter-spacing: .04em;
    }
    .on-secure-row {
      display: flex; align-items: center; justify-content: space-between;
      margin-top: 1.25rem; gap: 1rem; flex-wrap: wrap;
      font-size: .8rem; color: var(--on-muted);
    }
    .on-secure-row span { display: inline-flex; align-items: center; gap: .4rem; }
    .on-secure-row span svg { color: var(--on-success); }
    .on-secure-row strong { color: #635bff; }

    /* ──────────────────────────────────────────────────────────────
       ERROR MODAL
       ────────────────────────────────────────────────────────────── */
    .on-err-modal {
      position: fixed; inset: 0; z-index: 9999;
      display: flex; align-items: center; justify-content: center;
      padding: 1.5rem;
    }
    .on-err-modal[hidden] { display: none; }
    .on-err-modal__backdrop {
      position: absolute; inset: 0;
      background: rgba(11, 15, 36, .55);
      backdrop-filter: blur(3px);
    }
    .on-err-modal__box {
      position: relative; z-index: 1;
      background: #fff;
      border-radius: 20px;
      padding: 2.5rem 2rem 2rem;
      max-width: 380px; width: 100%;
      text-align: center;
      box-shadow: 0 24px 64px -16px rgba(11,15,36,.35);
      animation: onErrIn .22s cubic-bezier(.34,1.56,.64,1);
    }
    @keyframes onErrIn {
      from { opacity: 0; transform: scale(.88) translateY(12px); }
      to   { opacity: 1; transform: scale(1)  translateY(0);     }
    }
    .on-err-modal__icon {
      width: 60px; height: 60px; border-radius: 50%;
      background: #fff1f0; color: #e53e3e;
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 1.25rem;
    }
    .on-err-modal__title {
      font-size: 1.1rem; font-weight: 700;
      color: var(--on-ink, #1a202c);
      margin: 0 0 .6rem;
    }
    .on-err-modal__msg {
      font-size: .9rem; color: var(--on-ink-2, #4a5568);
      margin: 0 0 1.75rem; line-height: 1.55;
    }
    .on-err-modal__btn {
      display: inline-flex; align-items: center; justify-content: center;
      width: 100%; padding: .8rem 1.5rem;
      background: var(--on-accent, #2f6bff); color: #fff;
      border: none; border-radius: 12px;
      font-size: .95rem; font-weight: 600; cursor: pointer;
      transition: background .2s;
    }
    .on-err-modal__btn:hover { background: #1a56e8; }

    /* ──────────────────────────────────────────────────────────────
       FOOTER NAV
       ────────────────────────────────────────────────────────────── */
    .on-canvas__foot {
      position: sticky; bottom: 0;
      background: rgba(244,245,251,.92);
      backdrop-filter: blur(10px);
      border-top: 1px solid var(--on-border-2);
      padding: 1rem clamp(1.25rem, 4vw, 3rem);
      display: flex; align-items: center; justify-content: space-between;
      gap: 1rem;
    }
    .on-foot__center { color: var(--on-muted); font-size: .82rem; }
    .on-foot__center strong { color: var(--on-ink); font-weight: 700; }
    .on-btn {
      display: inline-flex; align-items: center; gap: .5rem;
      padding: .8rem 1.4rem; border-radius: 999px;
      font-size: .92rem; font-weight: 600; font-family: inherit;
      cursor: pointer; border: 0;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
      text-decoration: none;
    }
    .on-btn--primary {
      background: var(--on-ink); color: #fff;
      box-shadow: 0 8px 20px -6px rgba(11,15,36,.4);
    }
    .on-btn--primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -8px rgba(11,15,36,.5); }
    .on-btn--ghost {
      background: transparent; color: var(--on-muted);
      padding: .8rem 1rem;
    }
    .on-btn--ghost:hover { color: var(--on-ink); }
    .on-btn--gradient {
      background: linear-gradient(135deg, #2f6bff, #6c5ce7); color: #fff;
      box-shadow: 0 10px 24px -6px rgba(108,92,231,.5);
    }
    .on-btn--gradient:hover { transform: translateY(-1px); box-shadow: 0 14px 32px -8px rgba(108,92,231,.6); }
    .on-btn--outline {
      background: #fff; color: var(--on-ink);
      border: 1.5px solid var(--on-border);
    }
    .on-btn--outline:hover { border-color: var(--on-ink); }
    .on-btn--lg { padding: 1rem 1.8rem; font-size: 1rem; }
    /* Native [hidden] must win over .on-btn display rules */
    .on-btn[hidden], [hidden] { display: none !important; }

    /* ──────────────────────────────────────────────────────────────
       DONE
       ────────────────────────────────────────────────────────────── */
    .on-done { text-align: center; padding: 1.5rem 0; }
    .on-done__icon {
      width: 96px; height: 96px; margin: 0 auto 1.5rem;
      border-radius: 50%;
      background: linear-gradient(135deg, #2f6bff, #6c5ce7);
      display: grid; place-items: center;
      color: #fff;
      box-shadow: 0 24px 60px -16px rgba(108,92,231,.5);
      position: relative;
      animation: onPop .6s cubic-bezier(.34,1.56,.64,1);
    }
    .on-done__icon::after {
      content: ''; position: absolute; inset: -10px; border-radius: 50%;
      border: 2px solid rgba(108,92,231,.25);
      animation: onRing 2s ease-out infinite;
    }
    @keyframes onPop { from { transform: scale(.3); opacity: 0; } to { transform: scale(1); opacity: 1; } }
    @keyframes onRing {
      0%   { transform: scale(.85); opacity: .8; }
      100% { transform: scale(1.25); opacity: 0; }
    }
    .on-done h2 {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 2rem; font-weight: 800; letter-spacing: -.02em;
      color: var(--on-ink);
    }
    .on-done p { color: var(--on-muted); max-width: 480px; margin: .8rem auto 0; line-height: 1.55; }
    .on-done__actions { display: flex; gap: .65rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }
    .on-done__next {
      max-width: 480px; margin: 2.5rem auto 0;
      background: #fff; border: 1.5px solid var(--on-border); border-radius: var(--on-radius-lg);
      padding: 1.4rem 1.5rem;
      box-shadow: var(--on-shadow);
      text-align: left;
    }
    .on-done__next h4 {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: .9rem; font-weight: 700; color: var(--on-ink);
      margin-bottom: 1rem;
    }
    .on-done__steps { display: flex; flex-direction: column; gap: .75rem; }
    .on-done__step {
      display: flex; align-items: flex-start; gap: .75rem;
      font-size: .9rem; color: var(--on-ink-2);
    }
    .on-done__step__num {
      width: 24px; height: 24px; border-radius: 50%;
      background: var(--on-bg); border: 1.5px solid var(--on-border);
      display: grid; place-items: center;
      font-size: .72rem; font-weight: 700; color: var(--on-muted);
      flex-shrink: 0;
    }

    /* Misc */
    .on-foot-note { text-align: center; margin-top: 1.5rem; color: var(--on-muted); font-size: .82rem; }
    .on-foot-note a { color: var(--on-accent); font-weight: 600; }

    /* ──────────────────────────────────────────────────────────────
       MOBILE NAV (shown <1024px)
       ────────────────────────────────────────────────────────────── */
    .on-mobnav {
      display: flex; align-items: center; justify-content: space-between;
      gap: 1rem;
      padding: .9rem 1.1rem;
      background: var(--on-rail-bg);
      color: #fff;
      position: sticky; top: 0; z-index: 20;
      border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .on-mobnav__brand {
      display: inline-flex; align-items: center; gap: .55rem;
      color: #fff; text-decoration: none;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 700; font-size: 1rem;
    }
    .on-mobnav__mark {
      width: 30px; height: 30px;
      border-radius: 9px;
      background: linear-gradient(135deg,#2f6bff,#6c5ce7);
      display: grid; place-items: center;
      box-shadow: 0 6px 14px -4px rgba(108,92,231,.5);
    }
    .on-mobnav__progress {
      display: flex; flex-direction: column; align-items: flex-end;
      gap: .35rem; min-width: 110px;
    }
    .on-mobnav__count {
      font-size: .78rem; color: rgba(255,255,255,.75);
      font-weight: 500; letter-spacing: .02em;
    }
    .on-mobnav__count strong { color: #fff; font-weight: 700; }
    .on-mobnav__bar {
      width: 100%; height: 4px;
      background: rgba(255,255,255,.12);
      border-radius: 999px; overflow: hidden;
    }
    .on-mobnav__bar > span {
      display: block; height: 100%;
      background: linear-gradient(90deg,#2f6bff,#6c5ce7);
      transition: width .35s ease;
    }

    /* ──────────────────────────────────────────────────────────────
       RESPONSIVE: phones & small tablets (<1024px)
       Hide the dark rail entirely; show only mobnav + wizard
       ────────────────────────────────────────────────────────────── */
    @media (max-width: 1023.98px) {
      .on-rail { display: none; }
      .on-canvas__top { display: none; }
      .on-canvas__body {
        padding: 1rem 1rem 1.5rem;
        align-items: flex-start;
      }
      .on-pane h2 { font-size: 1.55rem; line-height: 1.2; }
      .on-pane__sub { font-size: .95rem; }
      .on-canvas__foot {
        padding: .75rem .9rem;
        gap: .5rem;
      }
      .on-foot__center { display: none; }
      .on-btn { padding: .75rem 1.1rem; font-size: .88rem; }
      .on-btn--ghost { padding: .75rem .6rem; }
      /* Pricing plans stack a bit tighter on mobile */
      .on-plans { gap: .85rem; }
      .on-plan { padding: 1.25rem; }
      /* Review card has less side padding on phones */
      .on-review { padding: 1.25rem 1.1rem 1.1rem; margin-top: 1rem; }
      .on-review__total { padding: .9rem 1rem; }
      .on-review__total-amount { font-size: 1.6rem; }
      /* Card.js preview takes less vertical space */
      .on-cc-block { padding-top: 1rem; }
    }

    @media (min-width: 1024px) {
      .on-mobnav { display: none; }
    }