/* Landing page layout. Components (status, panels, compare, decision, rule) come from app.css,
   so the marketing page shows the same UI operators use. Values come from tokens.css. */

body.landing { font-size: var(--text-lg); line-height: 1.6; }
.l-wrap { max-width: 1120px; margin: 0 auto; padding: 0 var(--space-6); }
.btn.lg { height: 42px; padding: 0 18px; font-size: var(--text-md); }
.l-top { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(8px); border-bottom: var(--border-width) solid var(--border); }
.l-nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.l-brand { display: flex; align-items: center; gap: 10px; font-weight: var(--weight-semibold); color: var(--text); font-size: var(--text-md); }
.l-brand:hover { text-decoration: none; }
.l-nav nav { display: flex; align-items: center; gap: var(--space-5); font-size: var(--text-sm); }
.l-nav nav a:not(.btn) { color: var(--text-2); }
.l-nav nav a:not(.btn):hover { color: var(--text); text-decoration: none; }

.l-eyebrow { font-size: var(--text-xs); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--text-3); font-weight: var(--weight-semibold); margin: 0; }
.landing h1 { font-size: clamp(38px, 5.6vw, 60px); line-height: 1.04; letter-spacing: -0.03em; margin: 14px 0 18px; font-weight: var(--weight-bold); }
.landing h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.15; letter-spacing: -0.018em; margin: 8px 0 12px; font-weight: var(--weight-bold); }
.landing h3 { font-size: var(--text-lg); margin: 10px 0 6px; }
.l-lede { font-size: clamp(17px, 1.9vw, 19px); color: var(--text-2); max-width: 58ch; margin: 0 0 26px; }
.l-sub { color: var(--text-2); max-width: 66ch; margin: 0 0 28px; }
.l-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.l-scope { margin-top: 18px; }

.l-hero { padding: var(--space-16) 0 var(--space-12); }
.l-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--space-10); align-items: center; }
.l-sec { padding: var(--space-16) 0; border-top: var(--border-width) solid var(--border); }
.l-grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.l-grid3 .panel p, .sec-list p { margin: 0; color: var(--text-2); font-size: var(--text-md); }
.l-grid2 { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--space-6); align-items: start; }
.l-split { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--space-10); align-items: center; }
.l-split.rev { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
.l-split.rev > :first-child { order: 2; }
.l-cta { text-align: center; }
.l-cta .l-sub, .l-cta .l-ctas { margin-left: auto; margin-right: auto; justify-content: center; }
.l-foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: var(--space-8); padding-bottom: var(--space-8); border-top: var(--border-width) solid var(--border); font-size: var(--text-sm); color: var(--text-3); }

/* ---- hero product flow: agent -> Onceproof -> Stripe, stage by stage ------------------ */
.flow { margin: 0; background: var(--surface); border: var(--border-width) solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-2); }
.flow-nodes { display: grid; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1.2fr) 28px minmax(0, 1fr); align-items: center; }
.flow-node { border: var(--border-width) solid var(--border); border-radius: var(--radius-md); padding: 10px; background: var(--bg-raised); display: flex; flex-direction: column; gap: 2px; min-width: 0; font-size: var(--text-xs); }
.flow-node b { font-size: var(--text-sm); font-weight: var(--weight-semibold); overflow-wrap: anywhere; }
.flow-node.core { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }
.wire { position: relative; height: 2px; background: var(--border-strong); margin: 0 2px; }
.packet { position: absolute; top: -3px; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); opacity: 0; }
.flow-stages { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: var(--space-5) 0 var(--space-4); }
.flow-stages li { font-size: var(--text-xs); font-weight: var(--weight-semibold); padding: 4px 10px; border-radius: var(--radius-pill); border: var(--border-width) solid var(--border); color: var(--text-3); background: var(--surface); transition: all var(--dur-base) var(--ease-out); }
.flow-stages li.only-unknown { display: none; }
.flow.unknown-run .flow-stages li.only-unknown { display: inline-block; }
.flow-stages li.done { color: var(--success-fg); border-color: var(--success-line); background: var(--success-bg); }
.flow-stages li.now { color: var(--text); border-color: var(--accent); }
.flow-stages li[data-stage="unknown"].done, .flow-stages li[data-stage="unknown"].now { color: var(--unknown-fg); border: var(--border-width) dashed var(--unknown-line); background: transparent; }
.flow-stages li[data-stage="reconcile"].done, .flow-stages li[data-stage="reconcile"].now { color: var(--recover-fg); border-color: var(--recover-line); background: var(--recover-bg); }
.flow-result { min-height: 32px; }
.flow-result .status { display: none; }
.flow-result .status.show { display: inline-flex; }
@media (prefers-reduced-motion: no-preference) {
  .packet.go { animation: packet 0.9s var(--ease-out) forwards; }
  @keyframes packet { 0% { left: 0; opacity: 1; } 100% { left: calc(100% - 8px); opacity: 1; } }
}

/* ---- architecture ------------------------------------------------------------------------- */
.arch { display: grid; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1.3fr) 28px minmax(0, 1fr); align-items: stretch; gap: 0; margin-bottom: var(--space-6); }
.arch-col { border: var(--border-width) solid var(--border); border-radius: var(--radius-lg); padding: var(--space-4); background: var(--surface); }
.arch-col.core { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }
.arch-col ul { margin: 8px 0 0; padding-left: 18px; font-size: var(--text-sm); color: var(--text-2); }
.arch-arrow { display: grid; place-items: center; color: var(--text-3); font-size: 20px; }

/* ---- lifecycle rail: solid where confirmed, dashed where unknown ------------------------------- */
.lc-rail { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.lc-st { position: relative; padding-top: 30px; font-size: var(--text-xs); color: var(--text-2); text-align: center; }
.lc-st::before { content: ""; position: absolute; top: 9px; left: 0; right: 0; height: 2px; background: var(--success-line); }
.lc-st:first-child::before { left: 50%; } .lc-st:last-child::before { right: 50%; }
.lc-st i { position: absolute; top: 2px; left: 50%; transform: translateX(-50%); width: 16px; height: 16px; border-radius: 50%; background: var(--success-fg); border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--success-line); }
.lc-st b { display: block; color: var(--text); font-weight: var(--weight-semibold); font-size: var(--text-sm); }
.lc-st span { display: block; }
.lc-st.unk::before { background: none; border-top: 2px dashed var(--unknown-line); height: 0; }
.lc-st.unk i { background: var(--surface); border: 2px dashed var(--unknown-fg); box-shadow: none; }
.lc-st.unk b { color: var(--unknown-fg); }
.lc-st.rec::before { background: var(--recover-line); } .lc-st.rec i { background: var(--recover-fg); box-shadow: 0 0 0 1px var(--recover-line); }
.lc-legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: var(--text-xs); color: var(--text-3); margin-top: 14px; }
.lc-legend span::before { content: ""; display: inline-block; width: 18px; margin-right: 6px; vertical-align: middle; border-top: 2px solid var(--success-line); }
.lc-legend .u::before { border-top: 2px dashed var(--unknown-line); } .lc-legend .r::before { border-top-color: var(--recover-line); }

.receipt-card { padding: var(--space-5); }
.rc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.receipt-card .sig { overflow-wrap: anywhere; }
.code-tabs .tabs { margin-bottom: 0; }
.code-tabs pre.code { border-top-left-radius: 0; border-top-right-radius: 0; max-height: none; font-size: 12.5px; }
.sec-list > div { border-top: var(--border-width) solid var(--border); padding-top: var(--space-3); }
.sec-list b { display: block; margin-bottom: 4px; }

/* ---- responsive: stack, never shrink -------------------------------------------------------- */
@media (max-width: 960px) {
  .l-hero-grid, .l-split, .l-split.rev, .l-grid2 { grid-template-columns: minmax(0, 1fr); gap: var(--space-8); }
  .l-split.rev > :first-child { order: 0; }
  .l-grid3 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .arch { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .arch-arrow { transform: rotate(90deg); height: 24px; }
}
@media (max-width: 640px) {
  .l-wrap { padding: 0 var(--space-4); }
  .l-nav nav .hide-sm { display: none; }
  .l-hero { padding: var(--space-10) 0 var(--space-8); }
  .l-sec { padding: var(--space-12) 0; }
  .l-grid3 { grid-template-columns: minmax(0, 1fr); }
  .flow-nodes { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .flow-nodes .wire { width: 2px; height: 16px; margin: 0 auto; }
  .flow-nodes .packet { display: none; }
  .lc-rail { grid-template-columns: minmax(0, 1fr); }
  .lc-st { text-align: left; padding: 0 0 16px 30px; }
  .lc-st::before { top: 0; bottom: 0; left: 8px; right: auto; width: 2px; height: auto; }
  .lc-st:first-child::before { left: 8px; top: 9px; } .lc-st:last-child::before { right: auto; bottom: calc(100% - 9px); }
  .lc-st.unk::before { border-top: 0; border-left: 2px dashed var(--unknown-line); width: 0; height: auto; }
  .lc-st i { left: 0; transform: none; }
}

/* ---- pricing ------------------------------------------------------------------------------ */
.p-hero { padding-bottom: var(--space-8); }
.p-plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); align-items: stretch; }
.p-plan { position: relative; display: flex; flex-direction: column; gap: 10px; background: var(--surface); border: var(--border-width) solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); }
.p-plan.featured { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak), var(--shadow-2); }
.p-plan h2 { font-size: var(--text-xl, 22px); margin: 0; }
.p-plan ul { margin: 6px 0 0; padding-left: 18px; color: var(--text-2); font-size: var(--text-md); display: grid; gap: 4px; }
.p-plan .btn { justify-content: center; }
.p-blurb { margin: 0; color: var(--text-2); font-size: var(--text-md); }
.p-price { margin: 6px 0 0; display: flex; align-items: baseline; gap: 4px; }
.p-price b { font-size: 40px; letter-spacing: -0.02em; line-height: 1; }
.p-price span { color: var(--text-3); font-size: var(--text-md); }
.p-incl { margin: 0 0 6px; color: var(--text-2); font-size: var(--text-md); }
.p-badge { position: absolute; top: -11px; left: var(--space-6); margin: 0; font-size: var(--text-xs); font-weight: var(--weight-semibold); padding: 2px 10px; border-radius: var(--radius-pill); background: var(--accent); color: var(--text-inverse); }
.p-note { color: var(--text-3); font-size: var(--text-sm); margin-top: var(--space-5); margin-bottom: var(--space-12); }
.p-faq { max-width: 760px; }
.p-faq details { border-bottom: var(--border-width) solid var(--border); padding: 14px 0; }
.p-faq summary { cursor: pointer; font-weight: var(--weight-semibold); }
.p-faq details p { margin: 8px 0 0; color: var(--text-2); }
@media (max-width: 860px) { .p-plans { grid-template-columns: 1fr; } }