:root {
  color-scheme: light;
  --ink: oklch(20% 0.035 74);
  --muted: oklch(44% 0.035 72);
  --paper: oklch(96% 0.018 83);
  --paper-deep: oklch(90% 0.03 83);
  --line: oklch(78% 0.035 78);
  --copper: oklch(54% 0.12 48);
  --moss: oklch(45% 0.1 142);
  --blue: oklch(42% 0.09 232);
  --charcoal: oklch(23% 0.025 92);
  --shadow: 0 24px 80px oklch(30% 0.05 70 / 14%);
  font-family:
    ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(115deg, oklch(98% 0.015 86), oklch(91% 0.026 77)),
    var(--paper);
  color: var(--ink);
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.site-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  padding: 24px clamp(18px, 4vw, 44px);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 700;
  gap: 10px;
  letter-spacing: 0;
}

.brand-mark {
  background:
    linear-gradient(90deg, var(--copper) 0 45%, transparent 45% 55%, var(--blue) 55%),
    var(--paper);
  border: 1px solid var(--ink);
  display: inline-block;
  height: 18px;
  transform: rotate(-8deg);
  width: 30px;
}

.nav-links {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  gap: clamp(12px, 3vw, 26px);
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  align-items: center;
  display: grid;
  gap: clamp(34px, 5vw, 72px);
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  margin: 0 auto;
  max-width: 1180px;
  min-height: calc(100vh - 170px);
  padding: clamp(26px, 5vw, 64px) clamp(18px, 4vw, 44px) 70px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  color: var(--copper);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 16px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(56px, 8vw, 108px);
  letter-spacing: 0;
  line-height: 0.9;
  margin-bottom: 26px;
  max-width: 850px;
}

h2 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 0.96;
  margin-bottom: 18px;
}

h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

p,
li {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.hero-lede {
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button,
.decision-row button,
.copy-button {
  border: 1px solid var(--ink);
  cursor: pointer;
  min-height: 44px;
}

.button {
  align-items: center;
  display: inline-flex;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 750;
  justify-content: center;
  padding: 12px 18px;
}

.primary,
.decision-row button:first-child {
  background: var(--ink);
  color: var(--paper);
}

.secondary {
  background: transparent;
}

.approval-panel,
.invite-card,
.health-board article,
.proof-list article {
  background: oklch(98% 0.012 86 / 88%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.approval-panel {
  padding: clamp(18px, 3vw, 28px);
  position: relative;
}

.approval-panel::before {
  background: var(--copper);
  content: "";
  height: 10px;
  left: -1px;
  position: absolute;
  right: -1px;
  top: -1px;
}

.panel-topline,
.copy-header,
.identity-strip,
.grant-grid,
.decision-row {
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.panel-topline,
.copy-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
}

.status-dot {
  color: var(--moss);
  font-size: 13px;
  font-weight: 750;
}

.request-card {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.request-from,
.grant-grid span,
.identity-strip span,
.agent-steps span {
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.request-card h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.grant-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  padding: 22px 0;
}

.grant-grid strong,
.identity-strip strong {
  display: block;
  font-size: 15px;
  line-height: 1.35;
  margin-top: 6px;
}

.decision-row {
  display: grid;
  gap: 10px;
  grid-template-columns: 1.2fr 1fr 1fr;
}

.decision-row button,
.copy-button {
  background: transparent;
  color: var(--ink);
  font-weight: 750;
  padding: 10px 12px;
}

.decision-row button:hover,
.button:hover,
.copy-button:hover {
  transform: translateY(-1px);
}

.section {
  margin: 0 auto;
  max-width: 1180px;
  padding: clamp(58px, 8vw, 110px) clamp(18px, 4vw, 44px);
}

.split {
  align-items: start;
  display: grid;
  gap: clamp(28px, 5vw, 70px);
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
}

.copy-shell {
  background: var(--charcoal);
  color: var(--paper);
  overflow: hidden;
}

.copy-header {
  border-bottom: 1px solid oklch(86% 0.025 86 / 26%);
  color: oklch(86% 0.03 83);
  font-size: 13px;
  font-weight: 750;
  margin: 0;
  padding: 14px 16px;
}

.copy-button {
  border-color: oklch(86% 0.025 86 / 48%);
  color: var(--paper);
  min-height: 34px;
  padding: 6px 10px;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 20px;
  white-space: pre-wrap;
}

code {
  color: oklch(93% 0.04 88);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  line-height: 1.7;
}

.proof {
  display: grid;
  gap: 36px;
  grid-template-columns: 0.75fr 1.25fr;
}

.proof-list {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
}

.proof-list article {
  box-shadow: none;
  padding: 22px;
}

.proof-list span {
  color: var(--blue);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 850;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
}

.invite-main,
.status-main {
  margin: 0 auto;
  max-width: 1060px;
  padding: clamp(30px, 5vw, 70px) clamp(18px, 4vw, 44px) 90px;
}

.invite-card {
  padding: clamp(24px, 5vw, 54px);
}

.invite-card h1,
.status-hero h1 {
  font-size: clamp(42px, 7vw, 82px);
}

.invite-summary,
.status-hero p {
  max-width: 760px;
}

.invite-summary strong {
  color: var(--ink);
}

.identity-strip {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
  margin: 28px 0;
  padding: 18px 0;
}

.invite-id {
  color: var(--blue);
  display: inline-block;
  letter-spacing: 0;
  margin-left: 8px;
  text-transform: none;
}

.agent-steps {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 30px;
}

.agent-steps div {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.agent-steps p {
  font-size: 14px;
  line-height: 1.45;
  margin: 6px 0 0;
}

.relay-note {
  align-items: start;
  background: oklch(91% 0.03 83);
  display: grid;
  gap: 12px;
  grid-template-columns: auto 1fr;
  margin-bottom: 28px;
  padding: 14px 16px;
}

.relay-note p {
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.approval-columns {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 28px;
}

.approval-columns h2 {
  font-size: 24px;
}

.approval-columns ul {
  margin: 0;
  padding-left: 20px;
}

.invite-actions {
  margin-top: 20px;
}

.status-hero {
  margin-bottom: 38px;
}

.health-board {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.health-board article {
  box-shadow: none;
  padding: 24px;
}

.health {
  border-radius: 999px;
  display: inline-block;
  height: 12px;
  margin-bottom: 18px;
  width: 12px;
}

.health.ok {
  background: var(--moss);
}

.health.pending {
  background: var(--copper);
}

.compact {
  padding-left: 0;
  padding-right: 0;
}

.compact h2 {
  font-size: 32px;
}

.route-table {
  border-top: 1px solid var(--line);
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.route-table div {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(180px, 0.7fr) 1fr;
  padding: 14px 0;
}

.route-table strong {
  color: var(--ink);
  font-size: 15px;
}

.route-table span {
  color: var(--muted);
  font-size: 15px;
}

.toast {
  background: var(--ink);
  bottom: 20px;
  color: var(--paper);
  font-family: ui-sans-serif, system-ui, sans-serif;
  left: 50%;
  opacity: 0;
  padding: 12px 16px;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 860px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .hero,
  .split,
  .proof,
  .approval-columns {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .approval-panel {
    order: -1;
  }

  .grant-grid,
  .identity-strip,
  .agent-steps,
  .route-table div,
  .health-board,
  .proof-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 48px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .decision-row {
    grid-template-columns: 1fr;
  }

  pre {
    padding: 16px;
  }
}