.calc { border-top: 1px solid var(--border-strong); padding-top: 18px; }
.calc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
}
.calc-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.calc-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.calc-badge {
  padding: 5px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  background: var(--surface-raised);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.calc-reset {
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  background: none;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.calc-reset:hover { color: var(--accent-hover); }
.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.receipt {
  padding: 22px;
  background: var(--surface-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-ticket);
  box-shadow: 0 1px 0 rgba(23, 35, 29, 0.04);
}
.receipt-showroom {
  border-color: var(--accent);
  border-width: var(--border-width-strong);
  box-shadow: var(--shadow-soft);
}
.receipt-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--border-strong);
}
.receipt-kicker {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.receipt h3 {
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.receipt-mark {
  padding: 4px 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-ticket);
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}
.receipt-badge {
  padding: 5px 10px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.receipt-lines { margin-top: 6px; }
.receipt-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}
.receipt-line label { color: var(--text-secondary); }
.receipt-unit {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-muted);
}
.receipt-input {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  color: var(--text-primary);
}
.receipt-input > span { color: var(--text-muted); font-size: 0.75rem; }
.receipt-input input {
  width: 118px;
  min-height: 44px;
  padding: 6px 8px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--paper-0);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-align: right;
}
.receipt-input input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.receipt-input input::-webkit-outer-spin-button,
.receipt-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.receipt-input input[type="number"] { appearance: textfield; -moz-appearance: textfield; }
.receipt-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
  white-space: nowrap;
}
.receipt-value small {
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  font-weight: var(--weight-regular);
  color: var(--text-muted);
}
.receipt-free { color: var(--accent); font-weight: var(--weight-semibold); }
.receipt-line-total {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1.5px solid var(--ink-0);
  border-bottom: 0;
}
.receipt-line-total > span:first-child {
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.receipt-line-total .receipt-value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 1.85rem);
  font-weight: var(--weight-bold);
  letter-spacing: -0.04em;
  line-height: 1;
}
.receipt-note {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.65625rem;
  line-height: 1.55;
  color: var(--text-muted);
}
.receipt-includes {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-strong);
}
.receipt-includes-label {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.receipt-includes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}
.receipt-includes li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.calc-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  padding: 20px 24px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 10px;
}
.calc-result.is-negative {
  background: var(--state-warning-soft);
  border-color: var(--state-warning);
}
.calc-result-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.calc-result-value {
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  font-weight: var(--weight-bold);
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent-hover);
}
.calc-result.is-negative .calc-result-value { color: var(--state-warning); }
.calc-result-text {
  margin-top: 5px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  max-width: 58ch;
}
.calc-result-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  flex: none;
  border-bottom: 1px solid currentColor;
  color: var(--accent-hover);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}
.calc-result-link:hover { color: var(--accent); }
.calc-note {
  max-width: 94ch;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.65625rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.pricing { background: var(--surface-sunken); }
.pricing .section-head h2 { max-width: 12ch; }
.plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.plan {
  position: relative;
  padding: 30px 28px 24px;
  background: var(--surface-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-ticket);
  box-shadow: 0 1px 0 rgba(23, 35, 29, 0.04);
}
.plan-featured { border-color: var(--accent); border-width: var(--border-width-strong); }
.plan-single {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  padding: 0;
}
.plan-intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 32px 28px 26px;
}
.plan-intro .btn { width: 100%; margin-top: 26px; }
.plan-intro .plan-note { width: 100%; }
.plan-features {
  padding: 32px 28px 26px;
  border-left: 1px dashed var(--border-strong);
}
.plan-includes {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.plan-features .plan-list { margin: 14px 0 0; border-top: 0; }
.plan-list--two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
}
.plan-sticker {
  position: absolute;
  top: -13px;
  left: 24px;
  padding: 4px 12px;
  background: var(--butter-1);
  border: 1.5px solid var(--ink-0);
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: var(--weight-semibold);
  transform: rotate(-2deg);
}
.plan-kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.plan-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: var(--weight-bold);
  letter-spacing: -0.045em;
  line-height: 1;
}
.plan-price small {
  font-family: var(--font-mono);
  font-size: 0.65625rem;
  font-weight: var(--weight-regular);
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.plan-sub { margin-top: 8px; color: var(--text-secondary); font-size: 0.875rem; }
.plan-list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  border-top: 1px dashed var(--border-strong);
}
.plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.90625rem;
}
.plan .btn { width: 100%; }
.plan-note {
  margin-top: 10px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.pricing-note {
  max-width: 74ch;
  margin-top: 26px;
  color: var(--text-muted);
  font-size: 0.8125rem;
}
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}
.faq-aside { position: sticky; top: calc(var(--nav-height) + 32px); }
.faq-aside h2 { max-width: 11ch; margin-bottom: 18px; }
.faq-aside .section-lead { font-size: 1.0625rem; }
.faq-cta {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 20px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.02em;
  text-underline-offset: 4px;
}
.faq-list { border-top: 1px solid var(--border-strong); }
.faq-item { border-bottom: 1px solid var(--border-subtle); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 44px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 1.03125rem;
  font-weight: var(--weight-semibold);
  line-height: 1.3;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-item .plus {
  flex: none;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: var(--weight-regular);
  transition: transform var(--dur-base) var(--ease-out);
}
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item p {
  padding: 0 42px 20px 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  max-width: 64ch;
}

.closing {
  background: var(--butter-1);
  color: var(--ink-0);
  padding: var(--section-y) 0;
  border-bottom: 1px solid var(--ink-0);
}
.closing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.closing .section-label { color: var(--ink-1); }
.closing .section-label::before { background: var(--ink-0); }
.closing h2 {
  font-size: var(--type-h1);
  max-width: 11ch;
  margin-bottom: 18px;
}
.closing-lead { max-width: 44ch; font-size: var(--type-lead); line-height: 1.45; color: var(--ink-1); }
.closing .sticker { margin-top: 26px; }
.closing-card {
  position: relative;
  padding: 26px;
  background: var(--paper-0);
  border: 1.5px solid var(--ink-0);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-offset);
  transform: rotate(1deg);
}
.closing-kicker {
  font-family: var(--font-mono);
  font-size: 0.65625rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.closing-list {
  list-style: none;
  margin: 16px 0 22px;
  padding: 0;
  border-top: 1px dashed var(--border-strong);
}
.closing-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.90625rem;
}
.closing-card .btn { width: 100%; }
.closing-note {
  margin-top: 10px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.closing-note span { padding: 0 2px; color: var(--border-strong); }

.footer { padding: 48px 0 28px; background: var(--surface-page); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr) minmax(0, 0.7fr);
  gap: clamp(28px, 5vw, 64px);
}
.footer-brand p {
  margin-top: 14px;
  max-width: 34ch;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.footer-col h3 {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.footer-col a {
  display: flex;
  align-items: center;
  min-height: 32px;
  padding: 3px 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
.footer-bottom span span { padding: 0 3px; color: var(--accent); }

.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%, 80%, 100% { opacity: 0.25; }
  40% { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
@keyframes ticker {
  to { transform: translateX(-50%); }
}

@media (max-width: 1040px) {
  .nav-links { display: none; }
  .nav-mobile { display: block; margin-left: 0; }
  .nav-cta { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .demo { width: min(100%, 680px); margin-top: 8px; }
  .problem-grid, .audit-grid, .faq-grid, .closing-grid { grid-template-columns: 1fr; }
  .problem-grid { gap: 32px; }
  .faq-aside { position: static; }
  .section-head { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .section-head h2 { max-width: 18ch; }
  .product-panel { grid-template-columns: 1fr; }
  .product-notes { grid-template-columns: 1fr; gap: 0; margin-top: 24px; padding-top: 20px; }
  .product-notes h3, .product-notes > p, .checklist, .proto-link { grid-column: auto; grid-row: auto; }
  .checklist { margin-top: 16px; }
  .proto-link { margin-top: 10px; }
  .vertical-panel { grid-template-columns: 1fr; gap: 28px; }
  .audit-note { margin-top: 22px; }
}

@media (max-width: 760px) {
  .nav-cta { display: none; }
  .nav-mobile { margin-left: auto; }
  .logo-word { font-size: 19px; }
  .hero { padding-top: 40px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .steps { grid-template-columns: 1fr; border-top: 1px solid var(--border-strong); }
  .step {
    border-left: 0;
    border-bottom: 1px solid var(--border-subtle);
    padding: 22px 0;
  }
  .step:first-child { padding-top: 24px; }
  .step:last-child { border-bottom: 0; }
  .step-num { font-size: 2.4rem; margin-bottom: 10px; }
  .flow { gap: 7px; margin-top: 28px; }
  .product-head { flex-direction: column; align-items: stretch; }
  .tabs { width: 100%; }
  .tab { flex: 1; padding-inline: 8px; }
  .vertical-tabs { gap: 0; }
  .vertical-tab { flex: 1 1 28%; padding: 10px 10px 13px; font-size: 0.8125rem; }
  .vertical-tab::after { left: 8px; right: 8px; }
  .plans { grid-template-columns: 1fr; }
  .plan-single { grid-template-columns: 1fr; }
  .plan-intro { padding: 30px 22px 22px; }
  .plan-intro .btn { margin-top: 22px; }
  .plan-features { padding: 20px 22px 24px; border-left: 0; border-top: 1px dashed var(--border-strong); }
  .plan-list--two { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .receipt { padding: 20px 18px; }
  .receipt-input input { width: 108px; }
  .calc-result { flex-direction: column; align-items: flex-start; gap: 14px; }
  .calc-result-link { min-height: 44px; }
  .closing-card { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .demo-log { height: auto; max-height: none; }
  .scenario { min-height: 44px; }
  .demo-reset { min-height: 44px; }
  .demo-foot { align-items: flex-start; }
  .demo-caja { display: none; }
  .pain { grid-template-columns: 30px 1fr; gap: 12px; }
  .ledger-head, .ledger-row { grid-template-columns: 42px 1fr 1fr 18px; gap: 7px; font-size: 0.65625rem; padding-inline: 11px; }
  .ledger { font-size: 0.65625rem; }
  .browser { border-radius: 9px; }
  .footer-col a { min-height: 44px; }
}

@media (max-width: 480px) {
  .hero-sticker { margin-top: 22px; }
  .demo-top { padding: 11px 12px; }
  .demo-scenarios { padding: 9px 10px; gap: 4px; }
  .scenario { flex: 1; padding-inline: 6px; font-size: 0.71875rem; }
  .demo-log { padding: 12px; gap: 11px; }
  .bubble { font-size: 0.8125rem; }
  .confirm-item b { font-size: 0.75rem; }
  .confirm-head { font-size: 0.5625rem; }
  .product-notes h3 { font-size: 1.35rem; }
  .closing-card { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .vertical-quote { font-size: 1.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .demo-status i, .typing i { animation: none; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}