/* ==========================================================================
   Kilnwork — section: pricing preview (#pricing)
   Every selector is scoped under .s-pricing.
   Billing toggle is native radios + :has(); no JavaScript in this section.
   ========================================================================== */

/* Registered so the featured card's conic border can animate. Uniquely
   prefixed; every use carries a static fallback for engines without it. */
@property --kw-pricing-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 132deg;
}

.s-pricing {
  /* text that must stay legible on a brand-tinted chip in BOTH themes:
     lean the brand colour toward whatever ink currently is */
  --pr-on-tint: color-mix(in oklab, var(--brand) 74%, var(--ink));
  --pr-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.3 11.1 3.5 8.3 2.2 9.6l4.1 4.1 7.5-7.5-1.3-1.3z'/%3E%3C/svg%3E");
  --pr-plan-gap: var(--space-6);
  overflow: clip;
}

/* ---- Decorative light ---------------------------------------------------- */

.s-pricing__orb {
  --orb-opacity: 0.26;
  --orb-blur: 96px;
}

.s-pricing__orb--a {
  --orb-size: 40rem;
  inset-block-start: 18%;
  inset-inline-start: 50%;
  translate: -50% 0;
}

.s-pricing__orb--b {
  --orb-size: 26rem;
  --orb-opacity: 0.16;
  inset-block-end: 4%;
  inset-inline-start: -8rem;
}

/* ---- Head ---------------------------------------------------------------- */

.s-pricing__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
  margin-block-end: var(--space-10);
}

.s-pricing__title {
  font-size: var(--step-6);
  max-width: 18ch;
  text-wrap: balance;
}

.s-pricing__lede {
  max-width: 52ch;
  margin-inline: auto;
}

/* ---- Billing toggle ------------------------------------------------------ */

.s-pricing__billing {
  border: 0;
  padding: 0;
  margin: 0;
  min-inline-size: 0;
  margin-block-start: var(--space-2);
}

.s-pricing__switch {
  position: relative;
  display: inline-flex;
  align-items: stretch;
  gap: var(--space-1);
  padding: var(--space-1);
  border-radius: var(--radius-pill);
  background-color: var(--surface-sunken);
  box-shadow: inset 0 0 0 1px var(--border);
  max-width: 100%;
}

.s-pricing__opt {
  position: relative;
  z-index: var(--z-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5625rem var(--space-5);
  border-radius: var(--radius-pill);
  color: var(--ink-muted);
  font-size: var(--step-0);
  font-weight: var(--weight-medium);
  line-height: 1.25;
  letter-spacing: var(--tracking-snug);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--dur-2) var(--ease-standard);
}

/* the moving "thumb" — one per option, cross-faded */
.s-pricing__opt::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-below);
  border-radius: inherit;
  background-color: var(--surface-raised);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  scale: 0.94;
  transition: opacity var(--dur-3) var(--ease-out-quart),
              scale var(--dur-3) var(--ease-out-expo);
}

.s-pricing__opt:hover { color: var(--ink); }
.s-pricing__opt:active { translate: 0 1px; }

.s-pricing__radio:checked + .s-pricing__opt { color: var(--ink); }

.s-pricing__radio:checked + .s-pricing__opt::before {
  opacity: 1;
  scale: 1;
}

.s-pricing__radio:focus-visible + .s-pricing__opt {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.s-pricing__save {
  display: inline-block;
  padding: 0.125rem var(--space-2);
  border-radius: var(--radius-pill);
  background-color: var(--brand-tint);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--brand) 30%, transparent);
  color: var(--pr-on-tint);
  font-size: var(--step--2);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wide);
  line-height: 1.4;
  transition: background-color var(--dur-2) var(--ease-standard);
}

.s-pricing__radio--annual:checked + .s-pricing__opt .s-pricing__save {
  background-color: color-mix(in oklab, var(--brand) 22%, transparent);
}

/* ---- Plan grid ----------------------------------------------------------- */

.s-pricing__plans {
  display: grid;
  gap: var(--pr-plan-gap);
  max-width: 27rem;
  margin-inline: auto;
}

.s-pricing__plan {
  --card-pad: var(--space-7);
  gap: 0;
  border-radius: var(--radius-xl);
  isolation: isolate;
  transition: box-shadow var(--dur-3) var(--ease-out-quart);
}

.s-pricing__plan:hover {
  box-shadow: inset 0 0 0 1px var(--border-strong), var(--shadow-md);
}

.s-pricing__plan-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 1.9rem;
}

.s-pricing__name {
  font-size: var(--step-2);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-snug);
  line-height: 1.2;
}

.s-pricing__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem var(--space-3);
  border-radius: var(--radius-pill);
  background-color: var(--brand-tint);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--brand) 30%, transparent);
  color: var(--pr-on-tint);
  font-size: var(--step--2);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wide);
  line-height: 1.35;
  text-transform: uppercase;
  white-space: nowrap;
}

.s-pricing__pitch {
  margin-block-start: var(--space-3);
  min-block-size: 3.2em;
  max-width: 30ch;
  color: var(--ink-muted);
  font-size: var(--step-0);
  line-height: var(--leading-body);
  text-wrap: pretty;
}

/* ---- Price --------------------------------------------------------------- */

.s-pricing__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-block-start: var(--space-6);
  color: var(--ink);
}

/* both amounts share one grid cell so the switch never shifts the layout */
.s-pricing__amounts {
  display: grid;
  align-items: baseline;
}

.s-pricing__amount {
  grid-area: 1 / 1;
  display: block;
  font-size: var(--step-7);
  font-weight: var(--weight-medium);
  line-height: var(--leading-flat);
  letter-spacing: var(--tracking-tighter);
  font-variant-numeric: tabular-nums;
  opacity: 0;
  visibility: hidden;
  translate: 0 0.22em;
  transition: opacity var(--dur-3) var(--ease-out-quart),
              translate var(--dur-4) var(--ease-out-expo),
              visibility 0s linear var(--dur-3);
}

.s-pricing__cur {
  font-size: 0.46em;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-normal);
  vertical-align: 0.62em;
  margin-inline-end: 0.06em;
}

.s-pricing__per {
  color: var(--ink-muted);
  font-size: var(--step-0);
  letter-spacing: var(--tracking-snug);
}

.s-pricing__terms {
  display: grid;
  margin-block-start: var(--space-3);
  min-block-size: 1.6em;
}

.s-pricing__term {
  grid-area: 1 / 1;
  max-width: none;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.6;
  opacity: 0;
  visibility: hidden;
  translate: 0 0.4em;
  transition: opacity var(--dur-3) var(--ease-out-quart),
              translate var(--dur-4) var(--ease-out-expo),
              visibility 0s linear var(--dur-3);
}

/* Visible pair. Monthly is the no-:has() fallback, so it is styled plainly. */
.s-pricing__amount--monthly,
.s-pricing__term--monthly {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
  transition-delay: 0s;
}

.s-pricing:has(.s-pricing__radio--annual:checked) .s-pricing__amount--monthly {
  opacity: 0;
  visibility: hidden;
  translate: 0 -0.22em;
  transition-delay: 0s, 0s, var(--dur-3);
}

.s-pricing:has(.s-pricing__radio--annual:checked) .s-pricing__term--monthly {
  opacity: 0;
  visibility: hidden;
  translate: 0 -0.4em;
  transition-delay: 0s, 0s, var(--dur-3);
}

.s-pricing:has(.s-pricing__radio--annual:checked) .s-pricing__amount--annual,
.s-pricing:has(.s-pricing__radio--annual:checked) .s-pricing__term--annual {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
  transition-delay: 0s;
}

/* ---- CTA ----------------------------------------------------------------- */

.s-pricing__cta {
  margin-block-start: var(--space-6);
}

/* ---- Features ------------------------------------------------------------ */

.s-pricing__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block-start: var(--space-7);
  padding-block-start: var(--space-6);
  box-shadow: inset 0 1px 0 0 var(--border);
}

.s-pricing__feature {
  position: relative;
  max-width: none;
  padding-inline-start: var(--space-7);
  color: var(--ink-muted);
  font-size: var(--step-0);
  line-height: var(--leading-snug);
  text-wrap: pretty;
}

.s-pricing__feature::before {
  content: "";
  position: absolute;
  inset-block-start: 0.16em;
  inset-inline-start: 0;
  width: 1.15em;
  height: 1.15em;
  background-color: var(--brand);
  -webkit-mask: var(--pr-check) center / contain no-repeat;
  mask: var(--pr-check) center / contain no-repeat;
}

.s-pricing__feature--carry {
  color: var(--ink);
  font-weight: var(--weight-medium);
}

/* ---- Featured plan ------------------------------------------------------- */

.s-pricing__plan--featured {
  --card-pad: var(--space-8);
  z-index: var(--z-raised);
  background-image: linear-gradient(
    180deg,
    color-mix(in oklab, var(--brand) 13%, transparent),
    transparent 44%
  );
  box-shadow: var(--shadow-xl);
}

.s-pricing__plan--featured:hover {
  box-shadow: var(--shadow-xl), var(--glow-brand);
}

/* gradient hairline frame, drawn as a masked ring so the markup stays flat */
.s-pricing__plan--featured::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: var(--z-raised);
  border-radius: inherit;
  padding: 1.5px;
  background-image: conic-gradient(
    from var(--kw-pricing-angle, 132deg),
    var(--brand),
    var(--accent) 26%,
    var(--accent-alt) 48%,
    var(--brand) 74%,
    var(--brand)
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.s-pricing__plan--featured .s-pricing__name {
  font-size: var(--step-3);
}

@keyframes kw-pricing-spin {
  to { --kw-pricing-angle: 492deg; }
}

@media (prefers-reduced-motion: no-preference) {
  .s-pricing__plan--featured::before {
    animation: kw-pricing-spin 18s linear infinite;
  }
}

/* ---- Enterprise row ------------------------------------------------------ */

.s-pricing__enterprise {
  display: grid;
  gap: var(--space-6);
  margin-block-start: var(--space-9);
  padding: var(--space-7);
  border-radius: var(--radius-xl);
  background-color: var(--surface-raised);
  background-image: linear-gradient(
    100deg,
    color-mix(in oklab, var(--accent) 9%, transparent),
    transparent 58%
  );
  box-shadow: inset 0 0 0 1px var(--border), var(--shadow-sm);
}

.s-pricing__ent-art {
  width: 6.5rem;
  color: var(--accent);
}

.s-pricing__ent-art svg { width: 100%; height: auto; }

.s-pricing__ent-title {
  font-size: var(--step-3);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-tight);
}

.s-pricing__ent-line {
  margin-block-start: var(--space-2);
  max-width: 56ch;
  color: var(--ink-muted);
  font-size: var(--step-0);
  line-height: var(--leading-body);
}

.s-pricing__ent-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-start: var(--space-5);
}

.s-pricing__chip {
  max-width: none;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background-color: var(--surface-sunken);
  box-shadow: inset 0 0 0 1px var(--border);
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: 1.5;
  white-space: nowrap;
}

.s-pricing__ent-act { align-self: center; }

.s-pricing__ent-cta { width: 100%; }

/* ---- Foot ---------------------------------------------------------------- */

.s-pricing__foot {
  margin-block-start: var(--space-7);
  margin-inline: auto;
  max-width: 62ch;
  color: var(--ink-muted);
  font-size: var(--step--1);
  line-height: var(--leading-body);
  text-align: center;
}

.s-pricing__compare {
  margin-inline-start: var(--space-2);
  font-size: var(--step--1);
  white-space: nowrap;
}

/* ==========================================================================
   Breakpoints
   ========================================================================== */

@media (width >= 30rem) {
  .s-pricing__plan { --card-pad: var(--space-8); }
}

/* Tablet — enterprise row goes horizontal while plans stay in one column. */
@media (width >= 48rem) {
  .s-pricing__enterprise {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8);
  }

  .s-pricing__ent-cta { width: auto; }
}

/* Desktop — three columns, the featured plan lifted out of the row. */
@media (width >= 62rem) {
  .s-pricing__plans {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
    margin-block-start: var(--space-8);
  }

  .s-pricing__plan { --card-pad: var(--space-7); }

  .s-pricing__plan--featured {
    --card-pad: var(--space-8);
    margin-block: calc(var(--space-7) * -1);
    padding-block: calc(var(--space-8) + var(--space-4));
  }

  .s-pricing__title { font-size: var(--step-7); }

  .s-pricing__head { margin-block-end: var(--space-9); }
}

@media (width >= 75rem) {
  .s-pricing { --pr-plan-gap: var(--space-7); }
  .s-pricing__plan { --card-pad: var(--space-8); }
  .s-pricing__plan--featured { --card-pad: var(--space-9); }
}

/* ==========================================================================
   Reduced motion — nothing slides, everything still swaps.
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .s-pricing__amount,
  .s-pricing__term,
  .s-pricing__opt::before {
    transition: none;
    translate: none;
  }

  .s-pricing__plan--featured::before { animation: none; }
  .s-pricing__opt:active { translate: none; }
}