/* PROOF Liskov pricing — page-specific presentation. */

.pricing-hero h1 {
  max-width: 820px;
  font-size: clamp(52px, 7vw, 88px);
  line-height: 0.98;
}
.pricing-hero h1 span { color: var(--beacon); }
.pricing-hero-lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: rgba(247,248,250,0.76);
  font-size: 20px;
  line-height: 1.55;
}

.pricing-plans-section { background: var(--frost); }
.pricing-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 44px;
}
.pricing-section-head .section-lede { margin-bottom: 0; }

.billing-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--smoke);
  border-radius: 999px;
  background: #fff;
}
.billing-toggle button {
  min-height: 44px;
  padding: 8px 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--steel);
  font: 700 13px/1 "Space Grotesk", sans-serif;
  cursor: pointer;
}
.billing-toggle button span { margin-left: 5px; color: var(--beacon); font-size: 10px; }
.billing-toggle button.active { background: var(--ink); color: var(--frost); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.pricing-card {
  position: relative;
  display: flex;
  grid-column: span 2;
  flex-direction: column;
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--smoke);
  border-radius: 18px;
  background: #fff;
}
.pricing-card:nth-child(4), .pricing-card:nth-child(5) { grid-column: span 3; }
.pricing-card--featured { border: 2px solid var(--beacon); box-shadow: 0 18px 50px rgba(14,18,24,0.10); }
.pricing-popular {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--beacon);
  color: var(--frost);
  font: 700 9px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pricing-plan-name {
  margin: 0;
  color: var(--beacon);
  font: 700 12px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.pricing-audience { min-height: 44px; margin: 14px 0 0; color: var(--steel); font-size: 14px; }
.pricing-price { display: flex; align-items: baseline; gap: 7px; margin-top: 20px; }
.pricing-price strong {
  color: var(--ink);
  font: 700 50px/1 "Space Grotesk", sans-serif;
  letter-spacing: -0.05em;
}
.pricing-price span { color: var(--stone); font-size: 13px; }
.pricing-annual-note { min-height: 22px; margin: 8px 0 0; color: var(--stone); font-size: 12px; }
.managed-compute-rate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding: 13px 14px;
  border-radius: 10px;
  background: var(--beacon-tint);
}
.managed-compute-rate small { color: var(--steel); font: 700 9px/1 "JetBrains Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.managed-compute-rate strong { color: var(--ink); font: 700 13px/1.2 "Space Grotesk", sans-serif; }
.pricing-summary { min-height: 48px; margin: 20px 0 0; color: var(--steel); font-size: 15px; line-height: 1.55; }
.pricing-features { flex: 1; margin: 22px 0 26px; padding: 20px 0 0; border-top: 1px solid var(--smoke); list-style: none; }
.pricing-features li { position: relative; margin: 10px 0; padding-left: 20px; color: var(--steel); font-size: 14px; line-height: 1.45; }
.pricing-features li::before { content: ""; position: absolute; top: 0.5em; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--beacon); }
.pricing-card .btn { align-self: stretch; justify-content: center; min-height: 50px; font-size: 14px; }
.btn-pricing-primary { background: var(--beacon); color: var(--frost); }
.btn-pricing-secondary { border-color: var(--ink); background: transparent; color: var(--ink); }
.btn-pricing-secondary:hover { border-color: var(--ink); background: var(--ink); color: var(--frost); }

.enterprise-pricing {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 50px;
  align-items: center;
  margin-top: 16px;
  padding: 40px;
  border-radius: 20px;
  background: var(--ink);
  color: var(--frost);
}
.enterprise-pricing-copy h3 { margin: 18px 0 10px; font: 700 31px/1.08 "Space Grotesk", sans-serif; letter-spacing: -0.03em; }
.enterprise-pricing-copy > p:not(.pricing-plan-name) { margin: 0 0 24px; color: rgba(247,248,250,0.7); font-size: 15px; }
.enterprise-features { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; margin: 0; padding: 0; list-style: none; }
.enterprise-features li { position: relative; padding-left: 18px; color: rgba(247,248,250,0.78); font-size: 13.5px; }
.enterprise-features li::before { content: ""; position: absolute; top: 0.55em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--beacon); }

.pricing-model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pricing-model-grid article { padding: 30px; border: 1px solid var(--smoke); border-radius: 16px; background: var(--frost); }
.pricing-model-grid article > span { color: var(--beacon); font: 700 11px/1 "JetBrains Mono", monospace; letter-spacing: 0.12em; }
.pricing-model-grid h3 { margin: 28px 0 10px; font: 700 24px/1.1 "Space Grotesk", sans-serif; }
.pricing-model-grid p { margin: 0; color: var(--steel); font-size: 15px; line-height: 1.58; }
.pricing-equation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 16px;
  padding: 24px;
  border-radius: 14px;
  background: var(--hull);
  color: var(--frost);
  font: 600 16px/1.3 "Space Grotesk", sans-serif;
}
.pricing-equation b { color: var(--beacon); }
.pricing-equation strong { color: var(--beacon); }

.compute-band-section { background: var(--beacon); }
.compute-band-section .section-title em { color: var(--frost); }
.compute-band-section .section-label::before { background: var(--ink); }
.compute-band-head { display: grid; grid-template-columns: 1fr minmax(300px, 0.65fr); gap: 60px; align-items: end; }
.compute-band-head > p { margin: 0 0 20px; color: rgba(14,18,24,0.72); font-size: 16px; line-height: 1.6; }
.compute-bands { display: grid; grid-template-columns: repeat(5, 1fr); overflow: hidden; margin-top: 36px; border: 1px solid rgba(14,18,24,0.18); border-radius: 16px; background: rgba(247,248,250,0.12); }
.compute-bands div { padding: 24px; border-left: 1px solid rgba(14,18,24,0.16); }
.compute-bands div:first-child { border-left: 0; }
.compute-bands small { display: block; color: rgba(14,18,24,0.66); font: 700 10px/1 "JetBrains Mono", monospace; letter-spacing: 0.08em; }
.compute-bands strong { display: block; margin-top: 10px; color: var(--ink); font: 700 20px/1 "Space Grotesk", sans-serif; }

.included-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.included-grid article { padding: 26px; border: 1px solid var(--smoke); border-radius: 16px; background: #fff; }
.included-grid h3 { margin: 0 0 12px; color: var(--ink); font: 700 21px/1.1 "Space Grotesk", sans-serif; }
.included-grid p { margin: 0; color: var(--steel); font-size: 14.5px; line-height: 1.55; }

.pricing-faq { max-width: 900px; }
.pricing-faq details { border-top: 1px solid var(--smoke); }
.pricing-faq details:last-child { border-bottom: 1px solid var(--smoke); }
.pricing-faq summary {
  position: relative;
  padding: 22px 42px 22px 0;
  color: var(--ink);
  font: 700 19px/1.35 "Space Grotesk", sans-serif;
  cursor: pointer;
  list-style: none;
}
.pricing-faq summary::-webkit-details-marker { display: none; }
.pricing-faq summary::after { content: "+"; position: absolute; top: 18px; right: 4px; color: var(--beacon); font-size: 26px; }
.pricing-faq details[open] summary::after { content: "–"; }
.pricing-faq details p { max-width: 760px; margin: -4px 0 22px; color: var(--steel); font-size: 15px; line-height: 1.65; }

@media (max-width: 1040px) {
  .pricing-card { grid-column: span 3; }
  .pricing-card:nth-child(5) { grid-column: 2 / span 4; }
  .included-grid { grid-template-columns: 1fr 1fr; }
  .compute-bands { grid-template-columns: repeat(3, 1fr); }
  .compute-bands div:nth-child(4) { border-left: 0; border-top: 1px solid rgba(14,18,24,0.16); }
  .compute-bands div:nth-child(5) { border-top: 1px solid rgba(14,18,24,0.16); }
}

@media (max-width: 880px) {
  .pricing-hero h1 { font-size: clamp(38px, 12vw, 52px); }
  .pricing-hero-lede { font-size: 17px; }
  .pricing-section-head, .enterprise-pricing, .compute-band-head { grid-template-columns: 1fr; }
  .billing-toggle { justify-self: start; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card, .pricing-card:nth-child(4), .pricing-card:nth-child(5) { grid-column: auto; }
  .pricing-audience, .pricing-summary { min-height: 0; }
  .enterprise-pricing { gap: 30px; padding: 30px 24px; }
  .enterprise-features { grid-template-columns: 1fr; }
  .pricing-model-grid, .included-grid, .compute-bands { grid-template-columns: 1fr; }
  .pricing-equation { flex-wrap: wrap; justify-content: flex-start; gap: 10px 14px; }
  .compute-bands div, .compute-bands div:nth-child(4), .compute-bands div:nth-child(5) { border-top: 1px solid rgba(14,18,24,0.16); border-left: 0; }
  .compute-bands div:first-child { border-top: 0; }
}