/* Certification pricing: a centred heading, the plan tabs, one row of plan
   cards, the participant logos and the purchase terms. */

.pricing { display: grid; gap: 2.5rem; padding-block: clamp(2.5rem, 6vw, 5rem) var(--section-space); }
.pricing [hidden] { display: none !important; }

.pricing-head { max-inline-size: 48rem; margin-inline: auto; text-align: center; }
.pricing-head h1 { margin: 0; font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -.045em; text-wrap: balance; hyphens: auto; }
.pricing-intro { max-inline-size: 42ch; margin: 1rem auto 0; color: var(--ink-reading); font-size: clamp(1.0625rem, 1.8vw, 1.25rem); line-height: 1.55; }

/* The tabs are toggle buttons in one pill. */
.pricing-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: .25rem; justify-self: center; max-inline-size: 100%; padding: .35rem; border: 1px solid var(--line); border-radius: 1.75rem; background: var(--surface); }
.pricing-tabs button { min-block-size: 2.75rem; border: 0; border-radius: 999px; padding: .6rem 1.4rem; background: none; color: var(--ink-muted); cursor: pointer; font-size: .9375rem; font-weight: 650; transition: background-color 160ms ease, color 160ms ease; }
.pricing-tabs button:hover { background: var(--surface-accent); color: var(--ink); }
.pricing-tabs button[aria-pressed="true"] { background: var(--accent-strong); color: var(--canvas); }
.pricing-tabs button:focus-visible { outline: 3px solid var(--focus-outline); outline-offset: 3px; }

.pricing-error { justify-self: center; inline-size: min(100%, 40rem); margin: 0; border: 1px solid color-mix(in srgb, var(--status-revoked-ink) 25%, transparent); border-radius: var(--radius-panel); padding: 2rem; background: var(--status-revoked-surface); color: var(--status-revoked-ink); text-align: center; }

.pricing-plans { display: grid; gap: 1.5rem; }
.pricing-plans[aria-busy="true"] .pricing-card-action { pointer-events: none; opacity: .7; }
.pricing-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; margin: 0; padding: 0; list-style: none; }
.pricing-cards.is-single { grid-template-columns: minmax(0, 28rem); justify-content: center; }

.pricing-card { display: flex; flex-direction: column; min-inline-size: 0; border: 1px solid var(--line); border-radius: var(--radius-feature); padding: clamp(1.5rem, 3vw, 2.25rem); background: var(--canvas); }
.pricing-card.is-highlighted, .pricing-cards.is-single .pricing-card { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: var(--surface); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent); }
.pricing-card h3 { margin: 0; font-size: 1.25rem; font-weight: 650; letter-spacing: -.02em; }
.pricing-card-range { margin: .35rem 0 1.5rem; color: var(--ink-soft); font-size: 1rem; }
.pricing-card-price { margin: 0 0 1.75rem; color: var(--ink-soft); font-size: 1rem; }
.pricing-card-price span { color: var(--ink); font-size: clamp(2rem, 3.5vw, 2.5rem); font-weight: 700; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.pricing-card-features { display: grid; flex: 1; align-content: start; gap: .75rem; margin: 0 0 2rem; padding: 0; color: var(--ink-reading); font-size: 1rem; line-height: 1.5; list-style: none; }
.pricing-card-features li { display: flex; align-items: flex-start; gap: .5rem; }
.pricing-check { flex: none; margin-block-start: .2rem; color: var(--accent-strong); }
.pricing-card-action { inline-size: 100%; cursor: pointer; font-family: inherit; }
.pricing-card-action:disabled { cursor: default; opacity: .6; text-decoration: none; }
.pricing-card-action:focus-visible { outline: 3px solid var(--focus-outline); outline-offset: 3px; }
.pricing-card-note { margin: .75rem 0 0; color: var(--ink-muted); font-size: .9375rem; text-align: center; }
.pricing-card-error { margin: .75rem 0 0; color: var(--status-revoked-ink); font-size: .9375rem; text-align: center; }

/* The participant logos sit on white plates, as the home page's do. */
.pricing-proof { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 2rem; padding-block: 1.5rem; border-block: 1px solid var(--line); }
.pricing-proof h2 { margin: 0; color: var(--ink-soft); font-size: .875rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.pricing-proof-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.pricing-proof-logos img { box-sizing: content-box; inline-size: auto; block-size: 2.25rem; max-inline-size: min(12rem, 100%); padding: .6rem .85rem; border-radius: var(--radius-control); background: var(--logo-plate); object-fit: contain; filter: grayscale(1); opacity: .8; }

.pricing-terms { max-inline-size: 64ch; margin: 0 auto; color: var(--ink-soft); font-size: .9375rem; line-height: 1.6; text-align: center; }
.pricing-terms a { color: var(--ink); font-weight: 600; text-underline-offset: .2rem; }
.pricing-terms a:focus-visible { outline: 3px solid var(--focus-outline); outline-offset: 3px; }

@media (max-width: 56rem) {
  .pricing-cards { grid-template-columns: minmax(0, 1fr); }
  .pricing-cards.is-single { grid-template-columns: minmax(0, 1fr); }
  .pricing-proof { flex-direction: column; text-align: center; }
}