:root {
  --paper: #F6F1E8;
  --paper-2: #EFE8DC;
  --sheet: #FFFcf6;
  --ink: #1C1916;
  --ink-soft: #5E574E;
  --ink-faint: #8A8276;
  --rule: #D8CFC0;
  --rule-strong: #1C1916;
  --gold: #C4843C;
  --gold-deep: #A66C2C;
  --gold-soft: #E7D2B3;
  --shadow: 0 28px 70px rgba(28, 25, 22, 0.12);
  --nav-h: 64px;
  --sans: "Instrument Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Fraunces", "Times New Roman", Times, serif;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100%;
}

::selection {
  background: var(--gold-soft);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

.num {
  font-variant-numeric: tabular-nums lining-nums;
}

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(14px);
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 70%, transparent);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1;
  text-decoration: none;
  color: var(--ink);
}

.mark {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 12px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink-soft);
}

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

.nav-buy {
  margin-left: 6px;
}

html.is-pro .nav-buy {
  display: none;
}

.nav-pro {
  display: none;
  margin-left: 8px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  border: 1px solid var(--gold-soft);
  background: color-mix(in srgb, var(--gold) 8%, var(--paper));
}

html.is-pro .nav-pro {
  display: inline-flex;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 550;
  letter-spacing: 0.01em;
  text-decoration: none;
  line-height: 1;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-ink {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn-ink:hover {
  background: #2c2723;
}

.btn-gold {
  background: var(--gold);
  color: #FBF6EE;
  border-color: var(--gold);
}

.btn-gold:hover {
  background: var(--gold-deep);
  border-color: var(--gold-deep);
}

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

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-sm {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

/* ——— Landing ——— */
.landing {
  overflow: clip;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
  padding: 56px 64px 72px;
  max-width: 1280px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.hero h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-size: clamp(40px, 5.4vw, 68px);
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.04;
  color: var(--ink);
}

.lede {
  margin: 0 0 32px;
  max-width: 38ch;
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-stage {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-stage::before {
  content: "";
  position: absolute;
  width: 72%;
  height: 72%;
  right: 8%;
  top: 14%;
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--gold) 16%, transparent), transparent 70%);
  pointer-events: none;
}

.hero-sheet {
  position: relative;
  width: min(100%, 420px);
  background: var(--sheet);
  padding: 28px 30px 32px;
  box-shadow: var(--shadow), 0 0 0 1px rgba(28, 25, 22, 0.06);
  transform: rotate(1.15deg);
}

.hero-sheet .hs-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink);
}

.hero-sheet .hs-brand {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.hero-sheet .hs-meta {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
}

.hero-sheet .hs-meta strong {
  display: block;
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--ink);
}

.hero-sheet .hs-from {
  margin: 14px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.hero-sheet .hs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 22px 0 18px;
}

.kicker {
  margin: 0 0 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.hero-sheet .hs-client {
  font-size: 13px;
  font-weight: 600;
}

.hero-sheet .hs-dates {
  font-size: 11px;
  color: var(--ink-soft);
  text-align: right;
}

.hero-sheet table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.hero-sheet th {
  padding: 0 0 8px;
  border-bottom: 1px solid var(--ink);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: left;
}

.hero-sheet td {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.hero-sheet .right {
  text-align: right;
}

.hero-sheet .hs-total {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
}

.hero-sheet .hs-total-box {
  width: 180px;
}

.hero-sheet .hs-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  padding: 4px 0;
  color: var(--ink-soft);
}

.hero-sheet .hs-row.grand {
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--ink);
  color: var(--ink);
  font-weight: 600;
}

.hero-sheet .hs-row.grand span:last-child {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
}

/* ——— Benefits ——— */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  max-width: 1280px;
  margin: 0 auto 8px;
  padding: 0 64px 72px;
  border-top: 1px solid var(--rule);
}

.benefit {
  padding: 36px 36px 8px 0;
}

.benefit + .benefit {
  padding-left: 36px;
  border-left: 1px solid var(--rule);
}

.benefit-idx {
  display: block;
  margin-bottom: 16px;
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 500;
  color: var(--gold);
}

.benefit h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.benefit p {
  margin: 0;
  max-width: 32ch;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ——— Pricing ——— */
.pricing {
  padding: 24px 64px 80px;
  max-width: 1280px;
  margin: 0 auto;
  scroll-margin-top: calc(var(--nav-h) + 12px);
}

.pricing-head {
  margin-bottom: 28px;
}

.pricing-head h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.pricing-head p {
  margin: 0;
  color: var(--ink-soft);
}

.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.price-card {
  background: color-mix(in srgb, var(--sheet) 70%, var(--paper));
  border: 1px solid var(--rule);
  padding: 28px 30px 30px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: var(--gold);
  background: var(--sheet);
  box-shadow: 0 0 0 1px var(--gold);
}

.price-card h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.price-amt {
  margin: 16px 0 8px;
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-amt span {
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  color: var(--ink-soft);
  margin-left: 6px;
}

.price-card p {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 36ch;
}

.price-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

html.is-pro .price-card.featured .btn {
  pointer-events: none;
}

html.is-pro .buy-label-default {
  display: none;
}

.buy-label-pro {
  display: none;
}

html.is-pro .buy-label-pro {
  display: inline;
}

.site-footer {
  padding: 28px 64px 48px;
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid var(--rule);
  color: var(--ink-faint);
  font-size: 13px;
}

.site-footer p {
  margin: 0;
  max-width: 62ch;
}

/* ——— Editor ——— */
.editor {
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(0, 1fr);
  min-height: calc(100vh - var(--nav-h));
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  scroll-margin-top: var(--nav-h);
}

.form-pane {
  background: var(--paper);
  border-right: 1px solid var(--rule);
  padding: 28px 24px 64px;
  max-height: calc(100vh - var(--nav-h));
  overflow: auto;
  position: sticky;
  top: var(--nav-h);
}

.form-pane h2 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.form-lead {
  margin: 0 0 18px;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.pro-note {
  margin: 0 0 22px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ink-soft);
  background: color-mix(in srgb, var(--gold) 10%, var(--paper));
  border: 1px solid var(--gold-soft);
}

.pro-note a {
  color: var(--gold-deep);
  font-weight: 600;
}

html.is-pro .pro-note {
  display: none;
}

.section {
  margin: 0 0 22px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.section-title {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.field {
  margin-bottom: 10px;
}

.field label {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.field textarea {
  min-height: 72px;
  resize: vertical;
  line-height: 1.4;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 18%, transparent);
}

.row-2,
.row-3 {
  display: grid;
  gap: 8px;
}

.row-2 {
  grid-template-columns: 1fr 1fr;
}

.row-3 {
  grid-template-columns: 1fr 70px 92px 28px;
  align-items: end;
}

.item-row {
  margin-bottom: 8px;
}

.item-row .remove {
  height: 38px;
  width: 28px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ink-faint);
  font-size: 18px;
  line-height: 1;
}

.item-row .remove:hover {
  color: var(--ink);
}

.add-line {
  margin-top: 4px;
  background: none;
  border: none;
  color: var(--gold-deep);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 0;
}

.add-line:hover {
  color: var(--ink);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
}

.live-totals {
  margin: 4px 0 16px;
  padding: 12px 0 0;
  border-top: 1px solid var(--rule);
  font-size: 13px;
}

.live-totals div {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  color: var(--ink-soft);
}

.live-totals .grand {
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--ink);
  color: var(--ink);
  font-weight: 600;
}

.live-totals .grand span:last-child {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
}

/* ——— Preview pane ——— */
.preview-pane {
  min-height: calc(100vh - var(--nav-h));
  padding: 36px 28px 72px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow: auto;
}

.sheet {
  position: relative;
  width: min(100%, 210mm);
  min-height: 277mm;
  background: var(--sheet);
  color: var(--ink);
  padding: 16mm 15mm 18mm;
  box-shadow: var(--shadow), 0 0 0 1px rgba(28, 25, 22, 0.05);
  overflow: hidden;
}

.watermark {
  position: absolute;
  inset: 12% 0 18%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 2;
}

.watermark span {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(96px, 22vw, 168px);
  letter-spacing: -0.04em;
  color: rgba(28, 25, 22, 0.055);
  transform: rotate(-28deg);
  user-select: none;
  line-height: 1;
}

html.is-pro .watermark {
  display: none;
}

.inv-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule-strong);
}

.inv-brand {
  padding-left: 12px;
  border-left: 2px solid var(--gold);
}

.inv-brand .name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.inv-brand .meta {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--ink-soft);
  white-space: pre-line;
}

.inv-mark {
  text-align: right;
}

.inv-mark .doc-label {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.inv-mark .doc-no {
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 26px;
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.inv-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin: 22px 0 8px;
}

.inv-parties .kicker {
  font-size: 10px;
}

.inv-parties .who {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.inv-parties .meta {
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--ink-soft);
  white-space: pre-line;
}

.inv-dates {
  margin: 6px 0 22px;
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 28px;
  font-size: 12.5px;
}

.inv-dates dt {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 3px;
}

.inv-dates dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.inv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.inv-table th {
  padding: 0 0 8px;
  border-bottom: 1px solid var(--rule-strong);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: left;
}

.inv-table td {
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.inv-table .right,
.inv-table th.right {
  text-align: right;
}

.inv-table .desc {
  padding-right: 16px;
  width: 56%;
}

.inv-foot {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 32px;
  margin-top: 8px;
  align-items: start;
}

.inv-notes {
  padding-top: 16px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  white-space: pre-line;
}

.inv-notes .kicker {
  color: var(--ink-faint);
}

.inv-sums {
  padding-top: 12px;
}

.inv-sum-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 5px 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.inv-sum-row.grand {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1.5px solid var(--ink);
  color: var(--ink);
}

.inv-sum-row.grand .label {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  align-self: center;
}

.inv-sum-row.grand .amt {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.inv-sum-row .amt {
  font-variant-numeric: tabular-nums lining-nums;
}

.inv-pay {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  white-space: pre-line;
}

.inv-endorsement {
  margin-top: 36px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.inv-endorsement .sig {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ——— Responsive ——— */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 36px 22px 28px;
    gap: 28px;
  }

  .hero-stage {
    min-height: 0;
    order: -1;
  }

  .hero-sheet {
    transform: none;
    width: min(100%, 440px);
  }

  .benefits {
    grid-template-columns: 1fr;
    padding: 8px 22px 40px;
  }

  .benefit,
  .benefit + .benefit {
    padding: 24px 0;
    border-left: none;
    border-top: 1px solid var(--rule);
  }

  .pricing,
  .site-footer,
  .nav {
    padding-left: 22px;
    padding-right: 22px;
  }

  .price-grid {
    grid-template-columns: 1fr;
  }

  .editor {
    grid-template-columns: 1fr;
  }

  .form-pane {
    position: relative;
    top: 0;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }

  .preview-pane {
    padding: 20px 12px 48px;
    min-height: 0;
  }

  .sheet {
    min-height: 0;
    padding: 22px 20px 28px;
  }

  .row-3 {
    grid-template-columns: 1fr 64px 84px 28px;
  }

  .inv-foot {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .inv-dates {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 560px) {
  .nav-link:not(.btn) {
    display: none;
  }

  .hero h1 {
    font-size: 40px;
  }

  .inv-top,
  .inv-parties {
    grid-template-columns: 1fr;
  }

  .inv-mark {
    text-align: left;
  }
}

/* ——— Print ——— */
@media print {
  :root {
    --paper: #fff;
    --sheet: #fff;
  }

  html,
  body {
    background: #fff !important;
  }

  .no-print,
  .nav,
  .landing,
  .form-pane,
  .site-footer {
    display: none !important;
  }

  .editor {
    display: block;
    border: none;
    background: #fff;
    min-height: 0;
  }

  .preview-pane {
    display: block;
    padding: 0;
    min-height: 0;
    overflow: visible;
    background: #fff;
  }

  .sheet {
    width: 100%;
    max-width: none;
    min-height: 0;
    padding: 0;
    margin: 0;
    box-shadow: none;
    background: #fff;
    overflow: visible;
  }

  .watermark span {
    color: rgba(28, 25, 22, 0.07);
  }

  a {
    text-decoration: none;
  }

  @page {
    size: auto;
    margin: 12mm;
  }
}

.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 print {
  .sheet,
  .watermark,
  .watermark span {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}