/* pricing.css — redesigned /pricing (#4, RFC 018 protected controls).
 *
 * Paper theme. Loads with css/site.css + css/fonts.css; scoped under
 * body.site. Sections: hero → ROI strip → plans → control explainer →
 * FAQ → not → loop (dark band).
 */

body.site .pr-h1 {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  margin-bottom: 1.25rem;
}

body.site .pr-h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

/* ── Hero ───────────────────────────────────────────────────────── */

.pr-hero { padding: 5rem 0 4rem; }

.pr-hero .site-eyebrow { margin-bottom: 2rem; }

.pr-hero-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 640px;
  font-weight: 300;
}

.pr-hero-note {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  max-width: 640px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 300;
  border-left: 3px solid var(--accent);
  background: var(--accent-pale);
  border-radius: 0 4px 4px 0;
}

/* ── ROI strip ──────────────────────────────────────────────────── */

.pr-roi { background: var(--paper-2); }

.pr-roi .site-container { padding: 0; max-width: var(--site-max); }

.pr-roi-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: stretch;
}

.pr-roi-cell {
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pr-roi-center {
  padding: 2.5rem 3rem;
  border-left: 0.5px solid var(--border);
  border-right: 0.5px solid var(--border);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.pr-roi-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.pr-roi-bad { color: var(--red-signal); }
.pr-roi-good { color: var(--green-signal); }

.pr-roi-num {
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.pr-roi-num-bad { color: var(--red-signal); }
.pr-roi-num-good { color: var(--green-signal); }

.pr-roi-desc { font-size: 13px; color: var(--muted); font-weight: 300; line-height: 1.6; }

.pr-roi-vs { font-family: var(--serif); font-size: 1.5rem; color: var(--muted-2); font-style: italic; margin-bottom: 0.5rem; }
.pr-roi-action { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 0.5rem; }
.pr-roi-arrow { font-family: var(--mono); font-size: 11px; color: var(--muted-2); }

/* ── Plans ──────────────────────────────────────────────────────── */

.pr-plans { padding: 5rem 0; }
.pr-plans-header { margin-bottom: 3.5rem; }
.pr-plans-sub { font-size: 15px; color: var(--muted); font-weight: 300; line-height: 1.7; max-width: 560px; }

.pr-plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--site-radius);
  overflow: hidden;
}

.pr-plan {
  border-right: 0.5px solid var(--border);
  display: flex;
  flex-direction: column;
}

.pr-plan:last-child { border-right: none; }

.pr-plan-featured { background: var(--surface-dark); color: #e8eaf0; }

.pr-plan-header { padding: 1.75rem 1.5rem 1.5rem; border-bottom: 0.5px solid var(--border); }
.pr-plan-featured .pr-plan-header { border-bottom-color: rgba(255, 255, 255, 0.1); }

.pr-plan-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.pr-badge-sandbox { background: var(--paper-2); color: var(--muted-2); border: 0.5px solid var(--border); }
.pr-badge-pilot { background: var(--accent); color: var(--paper); }
.pr-badge-business { background: var(--paper-2); color: var(--muted-2); border: 0.5px solid var(--border); }

.pr-plan-name { font-size: 14px; font-weight: 500; margin-bottom: 0.25rem; }
.pr-plan-featured .pr-plan-name { color: var(--paper); }

.pr-plan-price { font-family: var(--serif); font-size: 2rem; line-height: 1; margin-bottom: 0.25rem; }
.pr-plan-featured .pr-plan-price { color: var(--paper); }

.pr-plan-period { font-family: var(--mono); font-size: 11px; color: var(--muted-2); }
.pr-plan-featured .pr-plan-period { color: rgba(245, 242, 237, 0.4); }

.pr-plan-tagline { font-size: 13px; color: var(--muted); margin-top: 0.75rem; line-height: 1.5; font-weight: 300; }
.pr-plan-featured .pr-plan-tagline { color: rgba(245, 242, 237, 0.55); }

.pr-plan-body { padding: 1.5rem; flex: 1; border-bottom: 0.5px solid var(--border); }
.pr-plan-featured .pr-plan-body { border-bottom-color: rgba(255, 255, 255, 0.1); }

.pr-control-label { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted-2); margin-bottom: 0.75rem; }
.pr-plan-featured .pr-control-label { color: rgba(245, 242, 237, 0.3); }

.pr-control-count { font-family: var(--serif); font-size: 1.75rem; line-height: 1; margin-bottom: 0.25rem; color: var(--accent); }
.pr-plan-featured .pr-control-count { color: var(--accent-light); }

.pr-control-desc { font-family: var(--mono); font-size: 11px; color: var(--muted-2); margin-bottom: 1.25rem; }
.pr-plan-featured .pr-control-desc { color: rgba(245, 242, 237, 0.3); }

.pr-plan-divider { height: 0.5px; background: var(--border); margin-bottom: 1.25rem; }
.pr-plan-featured .pr-plan-divider { background: rgba(255, 255, 255, 0.08); }

.pr-features { list-style: none; margin: 0; padding: 0; }

.pr-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 0.6rem;
  font-weight: 300;
}

.pr-plan-featured .pr-feature { color: rgba(245, 242, 237, 0.55); }

.pr-check { font-family: var(--mono); font-size: 11px; flex-shrink: 0; margin-top: 1px; }
.pr-check-yes { color: var(--muted); }
.pr-check-no { color: var(--border-strong); }
.pr-plan-featured .pr-check-yes { color: rgba(245, 242, 237, 0.6); }

.pr-plan-footer { padding: 1.5rem; }

.pr-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--site-radius);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  letter-spacing: 0.01em;
}

.pr-btn-outline { border: 0.5px solid var(--border-strong); color: var(--ink); background: transparent; }
.pr-btn-outline:hover { background: var(--paper-2); }
.pr-plan-featured .pr-btn-outline { border-color: rgba(255, 255, 255, 0.25); color: var(--paper); }

.pr-btn-primary { background: var(--accent); color: var(--paper); border: none; }
.pr-btn-primary:hover { background: var(--accent-light); }

.pr-plan-footnote { font-family: var(--mono); font-size: 10px; color: var(--muted-2); text-align: center; margin-top: 0.75rem; line-height: 1.5; }
.pr-plan-featured .pr-plan-footnote { color: rgba(245, 242, 237, 0.3); }

.pr-plans-note {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  max-width: 820px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 300;
  border: 0.5px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  background: var(--accent-pale);
}

.pr-plans-note strong { color: var(--ink); font-weight: 600; }
.pr-plans-note code { font-family: var(--mono); font-size: 13px; color: var(--ink); }

/* ── Control explainer ──────────────────────────────────────────── */

.pr-explainer { padding: 5rem 0; background: var(--paper-2); }

.pr-control-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 2.5rem;
}

.pr-control-text p { font-size: 15px; color: var(--muted); line-height: 1.8; font-weight: 300; margin-bottom: 1.25rem; }
.pr-control-text strong { color: var(--ink); font-weight: 500; }
.pr-control-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.pr-control-anatomy {
  border: 0.5px solid var(--border-strong);
  border-radius: var(--site-radius);
  overflow: hidden;
  background: var(--paper);
}

.pr-anatomy-header {
  padding: 10px 16px;
  border-bottom: 0.5px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--paper-2);
}

.pr-anatomy-body { padding: 1.25rem 1.5rem; }

.pr-anatomy-example {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--ink);
  color: rgba(245, 242, 237, 0.8);
  padding: 1rem 1.25rem;
  border-radius: var(--site-radius);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.pr-anatomy-example span { color: var(--accent-light); }

.pr-anatomy-parts { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-top: 0.75rem; }

.pr-anatomy-part {
  font-family: var(--mono);
  font-size: 10px;
  padding: 6px 10px;
  background: var(--paper-2);
  border: 0.5px solid var(--border);
  border-radius: 2px;
}

.pr-anatomy-key { color: var(--muted-2); display: block; margin-bottom: 2px; }
.pr-anatomy-val { color: var(--ink); font-weight: 500; }

/* ── FAQ ────────────────────────────────────────────────────────── */

.pr-faq { padding: 5rem 0; }

.pr-faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 2.5rem;
  border: 0.5px solid var(--border);
  border-radius: var(--site-radius);
  overflow: hidden;
}

.pr-faq-item { padding: 1.75rem 2rem; border-right: 0.5px solid var(--border); border-bottom: 0.5px solid var(--border); }
.pr-faq-item:nth-child(2n) { border-right: none; }
.pr-faq-item:nth-last-child(-n+2) { border-bottom: none; }

.pr-faq-q { font-size: 14px; font-weight: 500; margin-bottom: 0.75rem; color: var(--ink); line-height: 1.4; }
.pr-faq-a { font-size: 13px; color: var(--muted); line-height: 1.7; font-weight: 300; }

/* ── Not section ────────────────────────────────────────────────── */

.pr-not { padding: 5rem 0; background: var(--paper-2); }

.pr-not-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.5rem;
  border: 0.5px solid var(--border);
  border-radius: var(--site-radius);
  overflow: hidden;
  background: var(--paper);
}

.pr-not-cell { padding: 1.5rem 1.75rem; border-right: 0.5px solid var(--border); border-bottom: 0.5px solid var(--border); }
.pr-not-cell:nth-child(3n) { border-right: none; }
.pr-not-cell:nth-last-child(-n+3) { border-bottom: none; }

.pr-not-label { font-family: var(--mono); font-size: 10px; color: var(--red-signal); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.pr-not-desc { font-size: 12px; color: var(--muted); line-height: 1.6; font-weight: 300; }

/* ── Loop (dark band) ───────────────────────────────────────────── */

.pr-loop { padding: 5rem 0; background: var(--surface-dark); }
.pr-loop .site-section-label { color: rgba(255, 184, 64, 0.55); }
body.site .pr-loop h2 { color: #F8F4EA; }
body.site .pr-loop h2 em { color: var(--accent-light); }

.pr-loop-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 2.5rem;
  border: 0.5px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--site-radius);
  overflow: hidden;
}

.pr-loop-step { padding: 1.75rem 1.5rem; border-right: 0.5px solid rgba(255, 255, 255, 0.08); }
.pr-loop-step:last-child { border-right: none; }

.pr-loop-num { font-family: var(--mono); font-size: 11px; color: var(--muted-2); letter-spacing: 0.1em; margin-bottom: 0.75rem; }
.pr-loop-title { font-size: 14px; font-weight: 500; color: var(--paper); margin-bottom: 0.5rem; }
.pr-loop-body { font-size: 12px; color: rgba(245, 242, 237, 0.45); line-height: 1.6; font-weight: 300; }

.pr-loop-cta { margin-top: 3rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.pr-btn-accent { display: inline-block; width: auto; background: var(--accent); color: #fff; padding: 12px 24px; }
.pr-btn-accent:hover { background: var(--accent-light); }
.pr-btn-ghost { display: inline-block; width: auto; border: 0.5px solid rgba(255, 255, 255, 0.15); color: rgba(245, 242, 237, 0.7); padding: 12px 24px; }
.pr-btn-ghost:hover { border-color: rgba(255, 255, 255, 0.35); color: var(--paper); }

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 1000px) {
  .pr-plans-grid { grid-template-columns: 1fr 1fr; }
  .pr-plan:nth-child(2) { border-right: none; }
  .pr-plan:nth-child(1), .pr-plan:nth-child(2) { border-bottom: 0.5px solid var(--border); }
}

@media (max-width: 900px) {
  .pr-roi-inner { grid-template-columns: 1fr; }
  .pr-roi-center { border-left: none; border-right: none; border-top: 0.5px solid var(--border); border-bottom: 0.5px solid var(--border); }
  .pr-control-split { grid-template-columns: 1fr; gap: 2rem; }
  .pr-faq-grid { grid-template-columns: 1fr; }
  .pr-faq-item { border-right: none; }
  .pr-faq-item:nth-last-child(-n+2) { border-bottom: 0.5px solid var(--border); }
  .pr-faq-item:last-child { border-bottom: none; }
  .pr-not-grid { grid-template-columns: 1fr; }
  .pr-not-cell { border-right: none; }
  .pr-loop-steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .pr-plans-grid { grid-template-columns: 1fr; }
  .pr-plan { border-right: none; border-bottom: 0.5px solid var(--border); }
  .pr-plan:last-child { border-bottom: none; }
  .pr-loop-steps { grid-template-columns: 1fr; }
}