:root {
  color-scheme: light;
  --page: #f4f8f7;
  --surface: #ffffff;
  --surface-soft: #f8fbfa;
  --surface-blue: #edf3f6;
  --ink: #0b1715;
  --ink-soft: #19302c;
  --muted: #61716d;
  --line: #d9e4e1;
  --line-strong: #bdccc8;
  --accent: #17b890;
  --accent-dark: #08745e;
  --accent-soft: #e3f7f0;
  --console: #0c1918;
  --console-soft: #132422;
  --console-line: #2b413d;
  --ok: #17b890;
  --risk: #d94c3d;
  --warning: #d28a18;
  --shadow-sm: 0 8px 24px rgba(18, 48, 42, 0.06);
  --shadow-lg: 0 28px 80px rgba(18, 48, 42, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, strong, .brand { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

.page-width {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(11, 23, 21, 0.07);
  background: rgba(244, 248, 247, 0.92);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 68px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.96rem;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: block;
  border-radius: 8px;
  box-shadow: 0 7px 18px rgba(11, 23, 21, 0.12);
}

.nav-links { display: flex; align-items: center; gap: 30px; }

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  position: relative;
  color: #4f605c;
  font-size: 0.88rem;
  font-weight: 650;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 160ms ease;
}

.nav-links a:hover,
.nav-links a.is-active { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }

.nav-action,
.primary-action,
.secondary-action,
.secondary-button,
.file-button,
.copy-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 0 18px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.87rem;
  font-weight: 750;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.nav-action {
  min-height: 42px;
  justify-self: end;
  background: var(--ink);
  color: #fff;
}

.primary-action { border: 1px solid var(--ink); background: var(--ink); color: #fff; }
.secondary-action,
.secondary-button,
.file-button,
.copy-button { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); }

.nav-action:hover,
.primary-action:hover { background: var(--ink-soft); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.secondary-action:hover,
.secondary-button:hover,
.file-button:hover,
.copy-button:hover { border-color: var(--ink); transform: translateY(-2px); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span { width: 100%; height: 2px; display: block; margin: 4px 0; background: var(--ink); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.file-button:focus-within { outline: 3px solid rgba(23, 184, 144, 0.28); outline-offset: 3px; }

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none !important;
  box-shadow: none !important;
}

.eyebrow,
.section-kicker,
.data-label {
  margin-bottom: 13px;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(8, 116, 94, 0.16);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.72);
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(23, 184, 144, 0.11);
}

/* Landing page */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 88px 0 0;
  text-align: center;
}

.hero h1 {
  max-width: 940px;
  margin-bottom: 22px;
  font-size: 4.7rem;
  line-height: 1.06;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-actions,
.final-actions,
.page-intro-actions,
.verifier-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hero-actions { justify-content: center; margin-bottom: 54px; }

.product-preview {
  width: min(1020px, 100%);
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-preview:hover { transform: translateY(-4px); box-shadow: 0 34px 90px rgba(18, 48, 42, 0.15); }

.preview-toolbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.preview-agent { display: flex; align-items: center; gap: 12px; }
.agent-avatar {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
}
.preview-agent strong, .preview-agent small { display: block; }
.preview-agent strong { margin-bottom: 3px; font-size: 0.9rem; }
.preview-agent small { color: var(--muted); font: 0.72rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.proof-state { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-dark); font-size: 0.78rem; font-weight: 750; }

.preview-body { padding: 24px; }
.preview-summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 22px; }
.preview-summary .data-label { display: block; margin-bottom: 7px; }
.preview-summary strong { display: block; margin-bottom: 5px; color: var(--accent-dark); font-size: 2rem; }
.preview-summary p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.verified-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(23, 184, 144, 0.3);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 1.3rem;
  font-weight: 900;
}

.preview-flow {
  display: grid;
  grid-template-columns: 1fr 52px 1fr 52px 1fr 52px 1fr;
  align-items: center;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.preview-flow > i { height: 1px; background: var(--line-strong); }
.flow-node { min-width: 0; display: grid; grid-template-columns: 30px 1fr; gap: 2px 10px; align-items: center; }
.flow-node > span { width: 30px; height: 30px; display: grid; place-items: center; grid-row: 1 / 3; border-radius: 50%; background: var(--accent-soft); color: var(--accent-dark); font-size: 0.68rem; font-weight: 850; }
.flow-node strong { font-size: 0.84rem; }
.flow-node small { color: var(--muted); font-size: 0.72rem; }

.preview-meta { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 20px; }
.preview-meta > div { min-width: 0; padding-right: 18px; }
.preview-meta > div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.preview-meta span, .preview-meta strong { display: block; }
.preview-meta span { margin-bottom: 5px; color: var(--muted); font-size: 0.72rem; }
.preview-meta strong { font-size: 0.88rem; overflow-wrap: anywhere; }

.preview-footer {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
}
.preview-footer code { color: var(--muted); font: 0.76rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.preview-footer span { color: var(--accent-dark); font-size: 0.8rem; font-weight: 750; }

.trust-strip {
  width: min(1020px, 100%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 26px;
  padding: 24px 0 72px;
}
.trust-strip > div { min-width: 0; display: flex; align-items: center; gap: 10px; justify-content: center; }
.trust-strip > div + div { border-left: 1px solid var(--line-strong); }
.trust-strip span { color: var(--accent-dark); font-size: 0.67rem; font-weight: 850; }
.trust-strip strong { font-size: 0.82rem; }

.problem-band { border-top: 1px solid var(--line); background: var(--surface); }
.problem-layout,
.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.8fr);
  gap: 96px;
  align-items: start;
  padding-block: 100px;
}

.problem-layout h2,
.capability-copy h2,
.section-heading h2,
.final-cta h2 {
  margin-bottom: 0;
  font-size: 3.15rem;
  line-height: 1.08;
  letter-spacing: 0;
}
.problem-copy { display: grid; gap: 22px; padding-top: 26px; }
.problem-copy p,
.capability-copy > p { margin-bottom: 0; color: var(--muted); font-size: 1.02rem; line-height: 1.75; }

.workflow { width: 100%; max-width: none; padding: 96px max(24px, calc((100vw - 1180px) / 2)); background: var(--surface-blue); }
.section-heading { max-width: 730px; margin: 0 auto 48px; text-align: center; }
.section-heading h2 { margin-bottom: 15px; }
.section-heading > p:last-child { margin-bottom: 0; color: var(--muted); line-height: 1.65; }

.workflow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; }
.workflow-steps li { min-width: 0; padding: 28px 24px 10px 0; }
.workflow-steps li + li { padding-left: 24px; border-left: 1px solid var(--line-strong); }
.step-number { display: block; margin-bottom: 54px; color: var(--accent-dark); font-size: 0.72rem; font-weight: 850; }
.workflow-steps h3 { margin-bottom: 9px; font-size: 1.15rem; }
.workflow-steps p { margin-bottom: 0; color: var(--muted); font-size: 0.91rem; line-height: 1.65; }

.capability-band { background: var(--console); color: #fff; }
.capability-band .section-kicker { color: #6ee0bf; }
.capability-layout { align-items: center; }
.capability-copy h2 { margin-bottom: 22px; }
.capability-copy > p { margin-bottom: 28px; color: #b6c8c4; }
.text-link { color: #6ee0bf; font-weight: 750; }
.text-link:hover { color: #fff; }
.capability-list { border-top: 1px solid var(--console-line); }
.capability-list article { display: grid; grid-template-columns: 38px 1fr; gap: 18px; padding: 23px 0; border-bottom: 1px solid var(--console-line); }
.capability-index { color: #6ee0bf; font-size: 0.7rem; font-weight: 850; }
.capability-list h3 { margin-bottom: 7px; font-size: 1rem; }
.capability-list p { margin-bottom: 0; color: #9fb4af; font-size: 0.9rem; line-height: 1.55; }

.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-block: 88px; }
.final-cta h2 { max-width: 700px; font-size: 2.6rem; }
.final-actions { flex: 0 0 auto; }

.footer { border-top: 1px solid var(--line); background: #ebf1ef; }
.footer-inner { min-height: 112px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.footer p { margin: 0; color: var(--muted); font-size: 0.84rem; }
.footer-inner > div { justify-self: end; display: flex; gap: 20px; color: var(--muted); font-size: 0.84rem; font-weight: 650; }
.footer a:hover { color: var(--accent-dark); }

/* Product pages */
body[data-page="console"],
body[data-page="demo"],
body[data-page="verify"] { background: #f2f6f5; }
.product-page { padding: 48px 0 72px; }

.page-intro { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 28px; }
.page-intro > div:first-child { max-width: 680px; }
.page-intro h1 { margin-bottom: 10px; font-size: 3.1rem; line-height: 1.05; letter-spacing: 0; }
.page-intro p:not(.eyebrow) { margin-bottom: 0; color: var(--muted); font-size: 1rem; line-height: 1.65; }

.status-strip {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, 1fr);
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.status-strip article { min-width: 0; padding: 16px 18px; }
.status-strip article + article { border-left: 1px solid var(--line); }
.status-strip span, dt { display: block; margin-bottom: 6px; color: var(--muted); font-size: 0.73rem; font-weight: 700; }
.status-strip strong { display: block; font-size: 1rem; overflow-wrap: anywhere; }
#integrityState { color: var(--accent-dark); }
#integrityState.is-risk { color: var(--risk); }

.action-composer {
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.composer-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 20px;
}

.composer-heading > div:first-child { max-width: 680px; }
.composer-heading .section-kicker { margin-bottom: 6px; }
.composer-heading h2 { margin-bottom: 7px; font-size: 1.35rem; }
.composer-heading p:not(.section-kicker) { margin-bottom: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.55; }

.wallet-control { display: flex; align-items: center; gap: 12px; }
.wallet-control > span {
  color: var(--muted);
  font: 0.72rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.composer-form {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(150px, 0.65fr) minmax(150px, 0.65fr) auto auto;
  gap: 10px;
  align-items: end;
}

.composer-form label { min-width: 0; display: grid; gap: 7px; }
.composer-form label > span { color: var(--muted); font-size: 0.72rem; font-weight: 700; }
.composer-form input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0 12px;
  background: var(--surface-soft);
  color: var(--ink);
}
.composer-form input:hover { border-color: var(--accent-dark); }

.workflow-status {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.workflow-status .status-dot { margin-top: 5px; }
.workflow-status strong { display: block; margin-bottom: 2px; color: var(--accent-dark); font-size: 0.88rem; }
.workflow-status p { margin: 0; color: var(--muted); font-size: 0.8rem; line-height: 1.45; }
.workflow-status.is-pending .status-dot { background: var(--warning); box-shadow: 0 0 0 4px rgba(210, 138, 24, 0.12); }
.workflow-status.is-pending strong { color: #96600d; }
.workflow-status.is-risk .status-dot { background: var(--risk); box-shadow: 0 0 0 4px rgba(217, 76, 61, 0.12); }
.workflow-status.is-risk strong { color: var(--risk); }
.csprclick-host:empty { display: none; }

.console-intro { padding-bottom: 28px; }
.console-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, 0.65fr);
  gap: 16px;
  align-items: start;
}
.console-workspace .action-composer { margin: 0; padding: 28px; }
.console-form {
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.38fr);
  gap: 18px;
}
.console-form label:first-child { grid-column: 1 / -1; }
.composer-actions { display: flex; align-items: center; gap: 10px; grid-column: 1 / -1; padding-top: 2px; }
.composer-actions > * { flex: 1; }
.console-progress {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.console-progress h2 { margin-bottom: 0; font-size: 1.3rem; }
.progress-steps { display: grid; gap: 0; margin: 26px 0 6px; padding: 0; list-style: none; }
.progress-steps li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  position: relative;
  padding-bottom: 25px;
  color: var(--muted);
}
.progress-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 30px;
  bottom: 3px;
  left: 14px;
  width: 1px;
  background: var(--line-strong);
}
.progress-steps li > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  font-size: 0.66rem;
  font-weight: 850;
}
.progress-steps strong { display: block; margin: 1px 0 3px; color: var(--muted); font-size: 0.9rem; }
.progress-steps p { margin: 0; font-size: 0.78rem; line-height: 1.45; }
.progress-steps li.is-current > span,
.progress-steps li.is-complete > span { border-color: var(--accent); background: var(--accent); color: #05231c; }
.progress-steps li.is-current strong,
.progress-steps li.is-complete strong { color: var(--ink); }
.console-progress .workflow-status { margin-top: 8px; }

.created-receipt {
  margin-top: 16px;
  border: 1px solid rgba(23, 184, 144, 0.3);
  border-radius: 8px;
  padding: 24px 28px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.created-receipt[hidden] { display: none; }
.created-receipt-heading,
.created-receipt-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.created-receipt-heading h2 { margin: 0; font-size: 1.3rem; }
.receipt-state { border-radius: 999px; padding: 7px 10px; background: var(--accent-soft); color: var(--accent-dark); font-size: 0.7rem; font-weight: 800; }
.created-receipt-details { display: grid; grid-template-columns: 0.75fr 1.5fr 0.6fr; gap: 20px; margin: 22px 0; padding: 18px 0; border-block: 1px solid var(--line); }
.created-receipt-details dd { margin-top: 6px; }
.created-receipt-actions { justify-content: flex-end; }

.product-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.75fr); gap: 16px; align-items: start; }
.primary-panel,
.side-panel,
.payload-panel,
.verifier-editor,
.verifier-result { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); box-shadow: var(--shadow-sm); }
.primary-panel, .side-panel, .payload-panel, .verifier-editor, .verifier-result { padding: 22px; }
.side-stack { display: grid; gap: 16px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.panel-header .section-kicker { margin-bottom: 6px; }
.panel-header h2 { margin-bottom: 0; font-size: 1.3rem; line-height: 1.15; }
.panel-status { border-radius: 999px; padding: 7px 10px; background: var(--accent-soft); color: var(--accent-dark); font-size: 0.7rem; font-weight: 800; }

.timeline { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 15px; position: relative; padding: 7px 0 26px; }
.timeline li:not(:last-child)::before { content: ""; position: absolute; top: 38px; bottom: 0; left: 16px; width: 1px; background: var(--line-strong); }
.timeline li:last-child { padding-bottom: 3px; }
.step-index { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; background: var(--ink); color: #fff; font-size: 0.68rem; font-weight: 850; }
.timeline-meta { display: block; margin-bottom: 4px; color: var(--accent-dark); font-size: 0.68rem; font-weight: 800; text-transform: uppercase; }
.timeline strong { display: block; margin-bottom: 5px; font-size: 0.98rem; }
.timeline p { margin-bottom: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.55; }
.loading-row { color: var(--muted); }

.detail-list { display: grid; gap: 12px; margin: 0; }
.detail-list div { padding-bottom: 11px; border-bottom: 1px solid var(--line); }
.detail-list div:last-child { padding-bottom: 0; border-bottom: 0; }
dd { margin: 0; font: 0.78rem/1.48 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.panel-copy { margin-bottom: 14px; color: var(--muted); font-size: 0.86rem; line-height: 1.55; }

.explorer-links { display: grid; border-top: 1px solid var(--line); }
.explorer-links a { display: grid; grid-template-columns: 1fr auto; gap: 4px 14px; align-items: center; padding: 13px 2px; border-bottom: 1px solid var(--line); }
.explorer-links a:hover strong { color: var(--accent-dark); }
.explorer-links span { color: var(--muted); font-size: 0.7rem; font-weight: 700; }
.explorer-links strong { font: 0.74rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.explorer-links i { grid-column: 2; grid-row: 1 / 3; color: var(--accent-dark); font-style: normal; font-weight: 900; }

.proof-ledger { display: grid; grid-template-columns: minmax(220px, 0.58fr) minmax(0, 1.42fr); gap: 28px; margin-top: 16px; }
.proof-ledger-heading { align-self: center; }
.proof-ledger-heading h2 { margin-bottom: 8px; font-size: 1.3rem; }
.proof-ledger-heading .section-kicker { margin-bottom: 6px; }
.proof-ledger-heading .panel-copy { margin-bottom: 0; }
.proof-ledger .explorer-links { grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 0; }
.proof-ledger .explorer-links a { min-width: 0; padding: 12px 16px; border-bottom: 0; border-left: 1px solid var(--line); }

.payload-panel { margin-top: 16px; }
.copy-button { min-height: 38px; padding-inline: 14px; }
pre { max-height: 360px; margin: 0; overflow: auto; border-radius: 8px; padding: 18px; background: var(--console); color: #d6e7e3; font: 0.78rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.api-banner { display: flex; align-items: flex-start; gap: 13px; margin-top: 16px; border: 1px solid rgba(23, 184, 144, 0.24); border-radius: 8px; padding: 14px 17px; background: var(--accent-soft); }
.api-banner .status-dot { margin-top: 5px; }
.api-banner strong { display: block; margin-bottom: 2px; color: var(--accent-dark); font-size: 0.9rem; }
.api-banner p { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.45; }
.api-banner.is-risk { border-color: rgba(217, 76, 61, 0.28); background: #fff0ee; }
.api-banner.is-risk .status-dot { background: var(--risk); box-shadow: 0 0 0 4px rgba(217, 76, 61, 0.12); }
.api-banner.is-risk strong { color: var(--risk); }

/* Verifier */
.verifier-intro { align-items: center; }
.verifier-workspace { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.7fr); gap: 16px; align-items: start; }
.verifier-editor textarea { width: 100%; min-height: 480px; resize: vertical; border: 1px solid var(--console-line); border-radius: 8px; padding: 17px; background: var(--console); color: #d6e7e3; font: 0.78rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.verifier-actions { margin-top: 13px; }
.secondary-button, .file-button { min-height: 44px; }
#receiptFile { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.verifier-result { position: sticky; top: 88px; }
.result-status { display: flex; align-items: center; gap: 9px; margin-bottom: 24px; color: var(--muted); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; }
.verifier-result > strong { display: block; margin-bottom: 10px; color: var(--accent-dark); font-size: 1.75rem; line-height: 1.08; }
.verifier-result > strong.is-risk { color: var(--risk); }
.verifier-result > p { margin-bottom: 22px; color: var(--muted); font-size: 0.92rem; line-height: 1.6; }
.verifier-result.is-risk .result-dot { background: var(--risk); box-shadow: 0 0 0 4px rgba(217, 76, 61, 0.12); }
.result-details { display: grid; gap: 13px; margin: 0 0 20px; }
.result-details div { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.proof-link { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 16px; color: var(--accent-dark); font-size: 0.82rem; font-weight: 750; }

.verification-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.verification-notes article { display: grid; grid-template-columns: 32px 1fr; gap: 13px; padding: 20px 0; border-top: 1px solid var(--line-strong); }
.verification-notes span { color: var(--accent-dark); font-size: 0.68rem; font-weight: 850; }
.verification-notes h3 { margin-bottom: 6px; font-size: 0.94rem; }
.verification-notes p { margin-bottom: 0; color: var(--muted); font-size: 0.84rem; line-height: 1.5; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 980px) {
  .nav { grid-template-columns: 1fr auto; }
  .menu-toggle { display: block; justify-self: end; }
  .nav-action { display: none; }
  .nav-links {
    position: absolute;
    top: 62px;
    right: 24px;
    left: 24px;
    display: none;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.is-open { display: grid; }
  .nav-links a { justify-content: flex-start; padding: 0 12px; }
  .nav-links a::after { display: none; }
  .nav-links a.is-active { border-radius: 8px; background: var(--accent-soft); }
  .hero h1 { font-size: 4rem; }
  .preview-flow { grid-template-columns: 1fr 34px 1fr 34px 1fr 34px 1fr; }
  .problem-layout, .capability-layout { gap: 52px; }
  .product-grid, .verifier-workspace, .console-workspace { grid-template-columns: 1fr; }
  .composer-form { grid-template-columns: 1fr 1fr; }
  .composer-form label:first-child { grid-column: 1 / -1; }
  .side-stack { grid-template-columns: 1fr; }
  .verifier-result { position: static; }
}

@media (max-width: 760px) {
  .page-width { width: min(calc(100% - 28px), 1180px); }
  .hero { padding-top: 58px; }
  .hero h1 { font-size: 3rem; line-height: 1.1; }
  .hero-copy { font-size: 1rem; }
  .hero-actions, .page-intro-actions, .final-actions { width: 100%; align-items: stretch; flex-direction: column; }
  .hero-actions > *, .page-intro-actions > *, .final-actions > * { width: 100%; }
  .preview-flow { grid-template-columns: 1fr 1fr; gap: 16px; }
  .preview-flow > i { display: none; }
  .preview-meta { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .preview-meta > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .trust-strip { grid-template-columns: 1fr 1fr; gap: 20px 0; padding-bottom: 56px; }
  .trust-strip > div:nth-child(3) { border-left: 0; }
  .problem-layout, .capability-layout { grid-template-columns: 1fr; gap: 34px; padding-block: 72px; }
  .problem-layout h2, .capability-copy h2, .section-heading h2, .final-cta h2 { font-size: 2.35rem; }
  .problem-copy { padding-top: 0; }
  .workflow { padding: 72px 14px; }
  .workflow-steps { grid-template-columns: 1fr 1fr; }
  .workflow-steps li { padding: 24px 20px 26px 0; border-bottom: 1px solid var(--line-strong); }
  .workflow-steps li + li { padding-left: 20px; }
  .workflow-steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .step-number { margin-bottom: 28px; }
  .final-cta { align-items: flex-start; flex-direction: column; padding-block: 68px; }
  .footer-inner { grid-template-columns: 1fr; gap: 13px; padding-block: 28px; }
  .footer-inner > div { justify-self: start; flex-wrap: wrap; }
  .page-intro { align-items: flex-start; flex-direction: column; gap: 22px; }
  .composer-heading { align-items: stretch; flex-direction: column; gap: 16px; }
  .wallet-control { align-items: stretch; flex-direction: column; }
  .wallet-control > .secondary-button { width: 100%; }
  .created-receipt-details { grid-template-columns: 1fr 1fr; }
  .created-receipt-details div:nth-child(2) { grid-column: 1 / -1; }
  .page-intro h1 { font-size: 2.6rem; }
  .status-strip { grid-template-columns: 1fr 1fr; }
  .status-strip article + article { border-left: 0; }
  .status-strip article:nth-child(even) { border-left: 1px solid var(--line); }
  .status-strip article:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .status-strip article:last-child { grid-column: 1 / -1; border-left: 0; }
  .side-stack { grid-template-columns: 1fr; }
  .proof-ledger { grid-template-columns: 1fr; gap: 18px; }
  .proof-ledger .explorer-links { border-top: 1px solid var(--line); }
  .proof-ledger .explorer-links a:first-child { border-left: 0; }
  .verification-notes { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 460px) {
  .brand { font-size: 0.9rem; }
  .brand-mark { width: 31px; height: 31px; }
  .hero h1 { font-size: 2.55rem; }
  .preview-toolbar { align-items: flex-start; flex-direction: column; }
  .preview-body { padding: 18px; }
  .preview-summary { align-items: flex-start; }
  .preview-summary strong { font-size: 1.65rem; }
  .preview-flow, .preview-meta { grid-template-columns: 1fr; }
  .preview-meta > div { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .preview-meta > div + div { padding-left: 0; border-left: 0; }
  .preview-footer { align-items: flex-start; flex-direction: column; }
  .trust-strip { grid-template-columns: 1fr; padding-top: 22px; }
  .trust-strip > div { justify-content: flex-start; padding-left: 8px; }
  .trust-strip > div + div { border-left: 0; }
  .workflow-steps { grid-template-columns: 1fr; }
  .workflow-steps li, .workflow-steps li + li { padding: 22px 4px; border-left: 0; }
  .step-number { margin-bottom: 18px; }
  .product-page { padding-top: 34px; }
  .page-intro h1 { font-size: 2.3rem; }
  .status-strip { grid-template-columns: 1fr; }
  .composer-form { grid-template-columns: 1fr; }
  .composer-form label:first-child { grid-column: auto; }
  .composer-form > button { width: 100%; }
  .composer-actions, .created-receipt-heading, .created-receipt-actions { align-items: stretch; flex-direction: column; }
  .composer-actions > *, .created-receipt-actions > * { width: 100%; }
  .created-receipt-details { grid-template-columns: 1fr; }
  .created-receipt-details div:nth-child(2) { grid-column: auto; }
  .status-strip article:nth-child(even), .status-strip article:last-child { border-left: 0; }
  .status-strip article + article { border-top: 1px solid var(--line); }
  .status-strip article:last-child { grid-column: auto; }
  .proof-ledger .explorer-links { grid-template-columns: 1fr; }
  .proof-ledger .explorer-links a { padding: 13px 2px; border-left: 0; border-bottom: 1px solid var(--line); }
  .primary-panel, .side-panel, .payload-panel, .verifier-editor, .verifier-result { padding: 18px; }
  .verifier-actions { align-items: stretch; flex-direction: column; }
  .verifier-actions > * { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 1ms !important; }
}