.plan {
      position: relative; display: flex; flex-direction: column;
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 24px; padding: 32px 24px;
    }
    .plan.tilt:hover { border-color: var(--card-hover-border); box-shadow: 0 26px 60px rgba(20,16,60,0.22), 0 0 42px var(--accent-glow); }
    .plan.featured.tilt:hover, .plan.featured { border-color: var(--card-hover-border); }
    .plan .plan-name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--text-primary); }
    .plan .plan-for { font-size: 0.88rem; color: var(--text-muted); margin: 8px 0 16px; }
    .plan-price { margin-bottom: 24px; }
    .plan-price b {
      font-family: var(--font-display); font-weight: 800; font-size: 2.3rem; letter-spacing: -0.02em;
      background: linear-gradient(120deg, var(--periwinkle-light), var(--accent), var(--periwinkle-deep));
      -webkit-background-clip: text; background-clip: text; color: transparent;
    }
    .plan-price i { font-style: normal; font-size: 0.9rem; color: var(--text-muted); margin-left: 4px; }
    .plan ul { display: grid; gap: 8px; margin-bottom: 24px; }
    .plan li { display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; font-size: 0.92rem; color: var(--text-secondary); line-height: 1.45; }
    .plan li::before { content: '✓'; color: var(--accent); font-weight: 700; flex: none; }
    .plan li.soon::before { content: '○'; color: var(--text-muted); }
    .plan li.soon { color: var(--text-muted); }
    .plan li.soon span:first-child { flex: 1 1 auto; min-width: 0; }
    .feat-soon {
      flex: none; display: inline-flex; align-items: center; white-space: nowrap;
      font-size: 0.62rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
      padding: 2px 8px; border-radius: 9999px; background: var(--accent-dim); color: var(--accent);
    }
    .plan .btn-primary, .plan .hero-btn-outline { justify-content: center; text-align: center; margin-top: auto; display: inline-flex; }
    .plan.featured { border-color: var(--card-hover-border); box-shadow: 0 22px 58px rgba(20,16,60,0.18), 0 0 46px var(--accent-glow); }
    .plan .flag {
      position: absolute; top: -16px; right: 24px;
      font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
      color: #fff; background: linear-gradient(120deg, var(--periwinkle-light), var(--periwinkle-deep));
      padding: 8px 16px; border-radius: 9999px; box-shadow: 0 8px 20px var(--accent-glow);
    }
    /* ---- Credit estimator ---- */
    .est { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: stretch; }
    .est-controls { display: grid; gap: 24px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 24px; padding: 32px; }
    .est-group { display: grid; gap: 12px; }
    .est-label { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); }
    .est-label .est-hint { font-weight: 600; letter-spacing: 0; text-transform: none; color: var(--accent); font-size: 0.78rem; }
    .est-seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .est-chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .est-opt, .est-chip {
      font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; text-align: center;
      padding: 12px 16px; border-radius: 9999px; cursor: pointer;
      background: var(--bg-inset); border: 1px solid var(--card-border); color: var(--text-secondary);
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }
    .est-chip { padding: 8px 20px; }
    .est-opt:hover, .est-chip:hover { border-color: var(--card-hover-border); color: var(--text-primary); }
    .est-opt.is-active, .est-chip.is-active {
      background: linear-gradient(120deg, var(--periwinkle-light), var(--accent));
      border-color: transparent; color: #fff; box-shadow: 0 8px 20px var(--accent-glow);
    }
    .est-result {
      display: flex; flex-direction: column; justify-content: center; text-align: center;
      background: var(--card-bg); border: 1px solid var(--card-hover-border); border-radius: 24px; padding: 32px;
      box-shadow: 0 22px 58px rgba(20,16,60,0.14), 0 0 42px var(--accent-glow);
    }
    .est-result-label { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); }
    .est-figure { display: flex; align-items: baseline; justify-content: center; gap: 8px; margin: 8px 0; }
    .est-figure b {
      font-family: var(--font-display); font-weight: 800; font-size: 3.6rem; letter-spacing: -0.02em; line-height: 1;
      font-variant-numeric: tabular-nums;
      background: linear-gradient(120deg, var(--periwinkle-light), var(--accent), var(--periwinkle-deep));
      -webkit-background-clip: text; background-clip: text; color: transparent;
    }
    .est-unit { font-size: 1rem; font-weight: 600; color: var(--text-muted); }
    .est-dollar { font-size: 1rem; color: var(--text-secondary); font-weight: 600; }
    .est-dollar b { color: var(--text-primary); font-weight: 700; }
    .est-config { font-size: 0.86rem; color: var(--text-muted); margin-top: 16px; line-height: 1.5; }
    .est-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 16px; line-height: 1.5; }
    @media (max-width: 720px) { .est { grid-template-columns: 1fr; } .est-figure b { font-size: 3rem; } }

    /* ---- Pay-as-you-go banner + credit packs ---- */
    .payg {
      display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
      background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
      padding: 24px 32px; margin-bottom: 32px; position: relative; z-index: 1;
    }
    .payg b { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--text-primary); display: block; margin-bottom: 4px; }
    .payg p { font-size: 0.9rem; color: var(--text-muted); max-width: 560px; margin: 0; }
    .plan-credits i { font-style: normal; }
    .plan-subprice { font-size: 0.82rem; color: var(--text-muted); margin: 0 0 24px; }