/* TallyHelm public site. Warm paper background, ledger green, Geist with Geist Mono for figures. */
:root {
  --bg: #fbfaf6;
  --surface: #ffffff;
  --sunk: #f3f1ea;
  --text: #111a14;
  --muted: #4a554e;
  --line: #e2dfd5;
  --accent: #15803d;
  --accent-hover: #166534;
  --accent-soft: #e7f2ea;
  --warn: #92400e;
  --warn-soft: #fdf1dc;
  --neg: #9f1239;
  --deep: #0f2a1c;
  --deep-text: #e6efe8;
  --deep-muted: #a9bdb0;
  --on-accent: #ffffff;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 96px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem; line-height: 1.5rem; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { text-wrap: balance; margin: 0; font-weight: 600; }
p, li { text-wrap: pretty; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 16px; top: -64px; z-index: 50; display: inline-flex; align-items: center; min-height: 44px;
  background: var(--text); color: var(--bg); padding: 8px 12px; border-radius: 8px; transition: transform 300ms var(--ease);
}
.skip-link:focus { transform: translateY(80px); color: var(--bg); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navigation: full width bar aligned with the content grid */
.nav { position: sticky; top: 0; z-index: 40; background: rgba(251, 250, 246, 0.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--text); text-decoration: none; font-weight: 600; font-size: 1.125rem; line-height: 1.75rem; }
.brand svg { width: 24px; height: 24px; color: var(--accent); }
.brand:hover { color: var(--text); }
.nav-links { display: flex; gap: 24px; margin-right: auto; }
.nav-links a, .nav-signin { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); text-decoration: none; font-size: 0.875rem; line-height: 1.25rem; font-weight: 500; transition: color 300ms var(--ease); }
.nav-links a:hover, .nav-signin:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.nav-links + .nav-actions { margin-left: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 16px; border-radius: 8px;
  background: var(--accent); color: var(--on-accent); border: 1px solid var(--accent); text-decoration: none;
  font-weight: 600; font-size: 1rem; line-height: 1.5rem;
  transition: background-color 300ms var(--ease), transform 300ms var(--ease);
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }
.btn:active { transform: scale(0.98); }
.btn-sm { font-size: 0.875rem; line-height: 1.25rem; padding: 8px 12px; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--sunk); color: var(--text); border-color: var(--line); }

/* Hero */
.hero { padding: 80px 0 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--muted); font-size: 0.875rem; line-height: 1.25rem; }
.hero h1 { margin-top: 24px; max-width: 560px; font-size: 3rem; line-height: 1; letter-spacing: -0.02em; color: var(--text); }
.hero .sub { margin: 24px 0 0; color: var(--muted); font-size: 1.125rem; line-height: 1.75rem; max-width: 520px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.proof { margin: 16px 0 0; color: var(--muted); font-size: 0.875rem; line-height: 1.25rem; }

/* Product mockups */
.mock { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 1px 2px rgba(17, 26, 20, 0.04), 0 24px 48px -24px rgba(17, 26, 20, 0.18); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--sunk); color: var(--muted); font-size: 0.75rem; line-height: 1rem; font-family: var(--mono); }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.mock-kicker { margin: 0; color: var(--muted); font-size: 0.75rem; line-height: 1rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; }
.mock-title { margin: 4px 0 0; font-size: 1.25rem; line-height: 1.75rem; font-weight: 600; }
.mock-note { color: var(--muted); font-size: 0.75rem; line-height: 1rem; }
.pnl-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 24px 24px 16px; }
.mock-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; line-height: 1.25rem; }
.mock-table th, .mock-table td { padding: 8px 24px; text-align: left; border-top: 1px solid var(--line); }
.mock-table thead th { color: var(--muted); font-weight: 500; font-size: 0.75rem; line-height: 1rem; }
.mock-table tfoot th, .mock-table tfoot td { font-weight: 600; background: var(--sunk); }
.num { text-align: right !important; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.neg { color: var(--neg); }
.pnl-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 16px 24px; border-top: 1px solid var(--line); }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; line-height: 1rem; font-weight: 500; white-space: nowrap; }
.chip-warn { background: var(--warn-soft); color: var(--warn); }
.chip-ok { background: var(--accent-soft); color: var(--accent-hover); }


/* Three step flow, alternating rows */
.flow { padding: 96px 0; }
.section-head { max-width: 680px; margin-bottom: 64px; }
.section-head h2, .faq-head h2 { font-size: 2.25rem; line-height: 2.5rem; letter-spacing: -0.01em; }
.section-head p { margin: 16px 0 0; color: var(--muted); font-size: 1.125rem; line-height: 1.75rem; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.row + .row { margin-top: 80px; }
.row-flip .row-copy { order: 2; }
.step { color: var(--accent); font-family: var(--mono); font-size: 0.875rem; line-height: 1.25rem; font-weight: 500; }
.row h3 { margin-top: 12px; font-size: 1.5rem; line-height: 2rem; }
.row-copy p { margin: 16px 0 0; color: var(--muted); }
.mini { padding: 24px; }
.mini-title { display: flex; align-items: center; gap: 8px; margin: 0 0 16px; font-weight: 600; }
.ledger { margin: 0; padding: 0; list-style: none; font-size: 0.875rem; line-height: 1.25rem; }
.ledger li { display: grid; grid-template-columns: 56px 1fr auto; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.ledger li:first-child { border-top: 0; padding-top: 0; }
.ledger .when { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; line-height: 1.25rem; }
.ledger .amt { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.review { margin: 0; padding: 0; list-style: none; }
.review li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.review li:first-child { border-top: 0; padding-top: 0; }
.review strong { display: block; font-size: 0.875rem; line-height: 1.25rem; font-family: var(--mono); font-weight: 500; }
.review span { color: var(--muted); font-size: 0.75rem; line-height: 1rem; }
.review .pill { flex-shrink: 0; padding: 4px 8px; border-radius: 999px; background: var(--warn-soft); color: var(--warn); font-weight: 500; }
.close-card { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.close-status { margin: 4px 0 0; font-weight: 600; color: var(--accent-hover); }
.files { display: grid; gap: 8px; }
.files span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); font-family: var(--mono); font-size: 0.75rem; line-height: 1rem; }

/* Trust band */
.trust { background: var(--deep); color: var(--deep-text); padding: 96px 0; }
.trust-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.tagline p { margin: 0; font-size: 2.25rem; line-height: 2.5rem; font-weight: 600; letter-spacing: -0.01em; max-width: 680px; }
.commitments { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.commitments h3 { font-size: 1.125rem; line-height: 1.75rem; }
.commitments p { margin: 8px 0 0; color: var(--deep-muted); }

/* FAQ */
.faq-section { padding: 96px 0; }
.faq-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 64px; }
.faq-head { position: sticky; top: 96px; align-self: start; }
.faq-head p { margin: 16px 0 0; color: var(--muted); }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 64px; padding: 16px 0; cursor: pointer; list-style: none; font-weight: 600; font-size: 1.125rem; line-height: 1.75rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex-shrink: 0; color: var(--muted); font-weight: 400; font-size: 1.5rem; transition: transform 300ms var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 24px; color: var(--muted); max-width: 680px; }

/* Final call to action */
.cta-final { padding: 0 0 96px; }
.cta-box { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; padding: 48px; border-radius: 24px; background: var(--accent-soft); border: 1px solid #cfe5d6; }
.cta-box h2 { font-size: 1.875rem; line-height: 2.25rem; }
.cta-box p { margin: 8px 0 0; color: var(--muted); }

/* Legal pages */
.legal { padding: 64px 0 96px; }
.legal article { max-width: 760px; }
.nav-inner > .btn:last-child { margin-left: auto; }
.legal h1 { font-size: 2.25rem; line-height: 2.5rem; }
.legal h2 { font-size: 1.25rem; line-height: 1.75rem; margin-top: 40px; }
.legal p, .legal li { color: var(--muted); }
.updated { color: var(--muted); font-size: 0.875rem; line-height: 1.25rem; }

/* Footer */
footer { border-top: 1px solid var(--line); background: var(--surface); }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; padding-top: 24px; padding-bottom: 24px; color: var(--muted); font-size: 0.875rem; line-height: 1.25rem; }
.foot nav { display: flex; flex-wrap: wrap; gap: 24px; }
.foot a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; color: var(--muted); }
.foot a[aria-current="page"] { color: var(--text); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.in, .no-js .reveal { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .hero-grid, .row, .trust-grid, .faq-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .row-flip .row-copy { order: 0; }
  .faq-head { position: static; }
  .nav-links { display: none; }
  .nav-links + .nav-actions { margin-left: auto; }
  .hero { padding: 48px 0; }
  .flow, .trust, .faq-section { padding: 64px 0; }
}
@media (max-width: 600px) {
  .wrap, .nav-inner { padding-left: 16px; padding-right: 16px; }
  .nav-inner { gap: 12px; }
  .nav-signin { display: none; }
  .hero h1 { font-size: 2.25rem; line-height: 2.5rem; }
  .section-head h2, .faq-head h2, .tagline p { font-size: 1.875rem; line-height: 2.25rem; }
  .mock-table th, .mock-table td { padding: 8px 12px; }
  .mock-table th:nth-child(2), .mock-table td:nth-child(2),
  .mock-table th:nth-child(4), .mock-table td:nth-child(4) { display: none; }
  .pnl-head { padding: 16px 12px 12px; }
  .pnl-foot { padding: 12px; }
  .commitments { grid-template-columns: minmax(0, 1fr); }
  .cta-box { padding: 32px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { transform: none; transition: opacity 300ms linear; }
  * { scroll-behavior: auto; }
}