/* ==========================================================================
   Ledger — bookkeeping for small businesses
   ========================================================================== */

:root {
  --ink: #111111;
  --ink-soft: #3a3a3a;
  --muted: #6b6b6b;
  --paper: #fbfaf7;
  --paper-2: #f3f1ec;
  --line: #e2dfd8;
  --line-strong: #cfcbc1;
  --accent: #1f5c45;        /* ledger-ink green */
  --accent-soft: #e6efe9;
  --debit: #9b2c2c;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --radius: 6px;
  --max: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* Keep anchored sections clear of the sticky header. */
[id] { scroll-margin-top: 96px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4.25rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); }
h3 { font-size: 1.4rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 38em;
}

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.4em;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font: 500 0.95rem/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.15s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand img { width: 36px; height: 36px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-block: 4px;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
.nav-links .btn { color: #fff; padding: 0.7em 1.1em; border-bottom: 1px solid var(--ink); }
.nav-links .btn:hover { border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
  transition: transform 0.2s;
}
.nav-toggle span::before,
.nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child a { display: flex; margin-top: 16px; justify-content: center; border-bottom: 1px solid var(--ink); }
  .nav-links a[aria-current="page"] { border-bottom-color: var(--line); color: var(--accent); }
}

/* ---------- Sections ---------- */

section { padding-block: clamp(64px, 9vw, 112px); }

.section-head { max-width: 44rem; margin-bottom: 3rem; }

.band { background: var(--paper-2); border-block: 1px solid var(--line); }

.dark {
  background: var(--ink);
  color: #f2f0ea;
}
.dark .eyebrow { color: #8fc5ad; }
.dark .lead { color: #c9c6be; }
.dark .btn { background: #fff; color: var(--ink); border-color: #fff; }
.dark .btn:hover { background: #8fc5ad; border-color: #8fc5ad; }
.dark .btn-ghost { background: transparent; color: #fff; border-color: #5a5a5a; }
.dark .btn-ghost:hover { background: #fff; color: var(--ink); }

/* ---------- Hero ---------- */

.hero { padding-block: clamp(56px, 8vw, 104px) clamp(64px, 9vw, 112px); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.hero h1 em { font-style: italic; color: var(--accent); }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.hero-meta span::before { content: "✓ "; color: var(--accent); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Ledger card (signature visual) ---------- */

.ledger-card {
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  box-shadow: 0 1px 0 var(--line), 0 24px 48px -24px rgba(17, 17, 17, 0.25);
  overflow: hidden;
}

.ledger-card header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.ledger-card header strong { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; }
.ledger-card header span { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }

.ledger-scroll { overflow-x: auto; }

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.ledger-table th,
.ledger-table td {
  padding: 11px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.ledger-table th {
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper);
}
.ledger-table td.amt,
.ledger-table th.amt { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ledger-table td.debit { color: var(--debit); }
.ledger-table tr.total td {
  font-weight: 600;
  border-top: 2px solid var(--ink);
  border-bottom: 3px double var(--ink);
}

.tag {
  display: inline-block;
  font: 500 0.7rem/1 var(--mono);
  padding: 4px 7px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}

.ledger-card footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 22px;
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--paper);
}
.status-dot::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 7px;
  vertical-align: middle;
}

/* ---------- Logos strip ---------- */

.tools {
  padding-block: 28px;
  border-block: 1px solid var(--line);
}
.tools .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
}
.tools p { margin: 0; font-size: 0.85rem; color: var(--muted); }
.tools ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink-soft);
}

/* ---------- Grids & cards ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.grid-3 > * { background: var(--paper); padding: 32px; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.step-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.card p:last-child { margin-bottom: 0; }
.card p { color: var(--ink-soft); }

.service {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-block: 36px;
  border-top: 1px solid var(--line);
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service .code {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 6px;
}
.service ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  columns: 2;
  column-gap: 32px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.service li { padding: 4px 0; break-inside: avoid; }
.service li::before { content: "— "; color: var(--accent); }

@media (max-width: 640px) {
  .service { grid-template-columns: 1fr; gap: 8px; }
  .service ul { columns: 1; }
}

/* ---------- Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 3rem;
}
.stat strong {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1;
  margin-bottom: 8px;
}
.stat span { font-size: 0.9rem; color: #c9c6be; }
.band .stat span, .stats.light .stat span { color: var(--muted); }

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Testimonials ---------- */

.quote {
  margin: 0;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}
.quote blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.45;
}
.quote figcaption { font-size: 0.9rem; color: var(--muted); }
.quote figcaption strong { color: var(--ink); font-weight: 500; display: block; }

.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .quotes { grid-template-columns: 1fr; } }

/* ---------- Pricing ---------- */

.billing-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 2.5rem;
  background: #fff;
}
.billing-toggle button {
  border: 0;
  background: none;
  font: 500 0.88rem/1 var(--sans);
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink-soft);
}
.billing-toggle button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.billing-toggle .save { color: var(--accent); font-size: 0.75rem; margin-left: 4px; }
.billing-toggle button[aria-pressed="true"] .save { color: #8fc5ad; }

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 520px; } }

.plan {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 32px;
  position: relative;
}
.plan.featured { border: 2px solid var(--ink); }
.plan .badge {
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--ink);
  color: #fff;
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 4px;
}
.plan h3 { margin-bottom: 0.25em; }
.plan .for { color: var(--muted); font-size: 0.92rem; min-height: 2.8em; }
.price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 1rem 0 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.price strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 3rem;
  line-height: 1;
}
.price span { color: var(--muted); font-size: 0.9rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 2rem; flex: 1; }
.plan li { padding: 7px 0 7px 26px; position: relative; font-size: 0.95rem; color: var(--ink-soft); }
.plan li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 12px;
  height: 6px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}
.plan .btn { justify-content: center; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.compare { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 560px; }
.compare th, .compare td { padding: 14px 20px; border-bottom: 1px solid var(--line); text-align: left; }
.compare thead th { font-family: var(--serif); font-weight: 500; font-size: 1.1rem; background: var(--paper); }
.compare td:not(:first-child), .compare th:not(:first-child) { text-align: center; }
.compare tr:last-child td,
.compare tr:last-child th { border-bottom: 0; }
.compare tbody th { font-weight: 500; }
.yes { color: var(--accent); font-weight: 600; }
.no { color: var(--line-strong); }

/* ---------- FAQ ---------- */

.faq { max-width: 52rem; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 40px 22px 0;
  position: relative;
  font-family: var(--serif);
  font-size: 1.2rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--accent);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-soft); padding-bottom: 22px; margin: 0; max-width: 44rem; }

/* ---------- CTA ---------- */

.cta-box {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 32px;
  align-items: center;
}
.cta-box h2 { margin-bottom: 0.3em; }
.cta-box p { margin: 0; }
@media (max-width: 760px) { .cta-box { grid-template-columns: 1fr; } }

/* ---------- Page header (inner pages) ---------- */

.page-head {
  padding-block: clamp(56px, 8vw, 96px) clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}

/* ---------- About ---------- */

.principles { counter-reset: p; }
.principle {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding-block: 28px;
  border-top: 1px solid var(--line);
}
.principle::before {
  counter-increment: p;
  content: "0" counter(p);
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 6px;
}
.principle h3 { margin-bottom: 0.3em; }
.principle p { color: var(--ink-soft); margin: 0; }

.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) { .team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .team { grid-template-columns: 1fr; } }

.person { border-top: 1px solid var(--ink); padding-top: 18px; }
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font: 500 1rem/1 var(--mono);
  margin-bottom: 14px;
}
.person h3 { font-size: 1.15rem; margin-bottom: 0.15em; }
.person .role { font-size: 0.88rem; color: var(--muted); margin-bottom: 0.6em; }
.person p:last-child { font-size: 0.92rem; color: var(--ink-soft); margin: 0; }

/* ---------- Contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 80px); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.contact-list li { padding: 16px 0; border-top: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 1px solid var(--line); }
.contact-list small {
  display: block;
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.form {
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: clamp(24px, 4vw, 40px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.field label .opt { color: var(--muted); font-weight: 400; }
.field input,
.field select,
.field textarea {
  width: 100%;
  font: 400 1rem/1.4 var(--sans);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.15s, background 0.15s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: #fff;
}
.field .error { display: none; color: var(--debit); font-size: 0.82rem; margin-top: 6px; }
.field.invalid input,
.field.invalid select,
.field.invalid textarea { border-color: var(--debit); }
.field.invalid .error { display: block; }

.form .btn { width: 100%; justify-content: center; margin-top: 8px; }
.form .fine { font-size: 0.82rem; color: var(--muted); margin: 14px 0 0; text-align: center; }

.form-success { text-align: center; padding-block: 24px; }
.form-success .check {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin: 0 auto 18px;
}

/* ---------- Legal / long-form text ---------- */

.prose { max-width: 46rem; }
.prose h2 { font-size: 1.6rem; margin-top: 2.5rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 1.2rem; margin: 0 0 1em; }
.prose li { padding: 3px 0; }
.prose a { color: var(--accent); }
.updated { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

/* ---------- 404 ---------- */

.not-found { text-align: center; padding-block: clamp(80px, 14vw, 160px); }
.not-found .code-big {
  font-family: var(--mono);
  font-size: clamp(4rem, 14vw, 8rem);
  line-height: 1;
  color: var(--line-strong);
  margin-bottom: 1rem;
}
.not-found .lead { margin-inline: auto; }
.not-found .btn-row { justify-content: center; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: #c9c6be;
  padding-block: 64px 32px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid #2c2c2c;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }

.site-footer .brand { color: #fff; }
.site-footer .brand img { filter: invert(1); }
.site-footer h4 {
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8a8780;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 4px 0; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: #8a8780;
}

/* ---------- Reveal on scroll ---------- */

/* Only hidden once JS is confirmed running, so content never stays invisible. */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}