:root {
  --bg: #edf3ee;
  --sheet: #ffffff;
  --line: #d2dbd3;
  --line-strong: #b8c7b9;
  --ink: #172117;
  --muted: #5f6c60;
  --accent: #1d7f45;
  --accent-dark: #165c33;
  --soft: #f7fbf7;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Work Sans", sans-serif;
}

.app {
  max-width: 1220px;
  margin: 0 auto;
  padding: 24px 24px 56px;
}

.top {
  padding-bottom: 18px;
}

.brandline,
.doc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
}

.brand-title,
.nav a,
.download-btn,
.legal-links a,
.doc-link,
.panel-row strong,
.cell.key {
  font-family: "Roboto Mono", monospace;
}

.brand-title,
.dark-title {
  font-size: 1rem;
  font-weight: 700;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav a,
.legal-links a,
.doc-link {
  color: var(--accent-dark);
  text-decoration: none;
  font-size: 0.92rem;
}

.sheet-hero,
.download-strip,
.metrics,
.ledger-block,
.cases,
.legal,
.doc-card {
  margin-top: 24px;
}

.sheet-hero,
.download-strip,
.metric-card,
.ledger-table,
.case-box,
.legal,
.doc-card {
  background: var(--sheet);
  border: 1px solid var(--line);
}

.sheet-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: #f4f8f4;
}

.sheet-toolbar span {
  padding: 12px 14px;
  border-right: 1px solid var(--line);
  font-size: 0.88rem;
}

.sheet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 0;
  border: 1px solid var(--line);
  border-top: 0;
}

.grid-head,
.grid-panel {
  padding: 26px;
}

.grid-head {
  border-right: 1px solid var(--line);
}

.grid-label,
.ledger-label,
.section-label {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

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

h1,
h2,
h3 {
  font-family: "Roboto Mono", monospace;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.6rem, 4.8vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.grid-lead,
.metric-card p,
.cell.val,
.case-box p,
.legal-copy p,
.doc-lead,
.doc-block p {
  color: var(--muted);
  line-height: 1.72;
}

.grid-lead {
  max-width: 720px;
  margin-top: 18px;
}

.grid-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.main-btn,
.ghost-btn,
.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 700;
}

.main-btn,
.download-btn {
  background: var(--accent);
  color: #fff;
}

.ghost-btn {
  color: var(--accent-dark);
  border: 1px solid var(--line-strong);
  background: var(--soft);
}

.grid-panel {
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fbf7 100%);
}

.panel-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.panel-row span {
  color: var(--muted);
  font-family: "Roboto Mono", monospace;
  font-size: 0.84rem;
}

.action-row {
  align-items: center;
}

.download-btn {
  width: 100%;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  padding: 20px;
}

.metric-card small {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-family: "Roboto Mono", monospace;
}

.metric-card strong,
.case-box h3,
.doc-block h2 {
  font-family: "Roboto Mono", monospace;
}

.metric-card strong {
  display: block;
  margin-bottom: 10px;
}

.ledger-block {
  padding: 22px;
}

.ledger-head,
.case-intro {
  margin-bottom: 18px;
}

.ledger-head h2,
.case-intro h2,
.legal-copy h2,
.doc-card h1 {
  font-size: 2rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.ledger-table {
  border: 1px solid var(--line);
}

.ledger-line {
  display: grid;
  grid-template-columns: 280px 1fr;
}

.cell {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.ledger-line:last-child .cell {
  border-bottom: 0;
}

.cell.key {
  border-right: 1px solid var(--line);
  background: #f8fbf8;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.case-box {
  padding: 22px;
}

.case-box h3 {
  margin-bottom: 10px;
  font-size: 1.06rem;
}

.legal {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px;
}

.legal-links {
  display: grid;
  gap: 10px;
  min-width: 280px;
}

.doc-app {
  max-width: 1020px;
}

.doc-main {
  padding-top: 24px;
}

.doc-card {
  padding: 32px;
}

.doc-lead {
  margin-top: 14px;
  margin-bottom: 22px;
}

.doc-block + .doc-block {
  margin-top: 22px;
}

.doc-block h2 {
  margin-bottom: 10px;
  font-size: 1.02rem;
}

@media (max-width: 980px) {
  .sheet-grid,
  .metrics,
  .ledger-line,
  .case-grid,
  .legal {
    grid-template-columns: 1fr;
  }

  .grid-head {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .cell.key {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  .app {
    padding: 16px 16px 36px;
  }

  .brandline,
  .doc-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}