:root {
  --ink: #172820;
  --muted: #526159;
  --green: #185c42;
  --line: #dce3de;
  --surface: #f2f5f3;
  --white: #fff;
  --body: 16px;
  --heading: 32px;
  --display: 64px;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: var(--body);
  line-height: 1.6;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
a:hover {
  color: var(--green);
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #2469c1;
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button,
input,
summary {
  font: inherit;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.04em;
}
h1 {
  font-size: var(--display);
}
h2 {
  font-size: var(--heading);
}
h3 {
  font-size: var(--body);
  letter-spacing: 0;
}
p {
  color: var(--muted);
}
strong {
  font-weight: 700;
}
p + p {
  margin-top: 16px;
}
.wrap {
  width: min(1200px, calc(100% - 80px));
  margin: auto;
}
.skip {
  position: absolute;
  top: -100px;
  left: 16px;
  background: white;
  padding: 12px;
  z-index: 10;
}
.skip:focus {
  top: 8px;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 104px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-size: var(--heading);
  font-weight: 700;
  letter-spacing: -0.07em;
  text-decoration: none;
}
.brand span {
  color: var(--green);
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  text-decoration: none;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 13px 22px;
  border: 1px solid var(--green);
  border-radius: 5px;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  line-height: 1.4;
  min-height: 48px;
}
.button:hover {
  background: #103f2d;
  color: #fff;
}
.button.secondary {
  background: white;
  color: var(--ink);
  border-color: var(--line);
}
.mobile-menu {
  display: none;
}
.eyebrow {
  font-weight: 600;
  color: var(--green);
  margin-bottom: 24px;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 88px 0 72px;
}
.hero h1 {
  max-width: 570px;
}
.hero .intro {
  margin: 28px 0;
  max-width: 490px;
}
.actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.fine {
  margin-top: 20px;
}
.app-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}
.app-label img {
  width: 40px;
  height: 40px;
  border-radius: 9px;
}
.app-label p {
  color: var(--ink);
}
.example {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.example-top {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}
.example-body {
  padding: 32px;
}
.thresholds {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.threshold {
  padding: 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 5px;
}
.threshold:last-child {
  border-color: var(--green);
}
.amount {
  font-size: var(--display);
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: 1.2;
  display: block;
  margin-top: 16px;
}
.shipping-message {
  margin-top: 24px;
  padding: 14px;
  background: var(--green);
  color: white;
  border-radius: 4px;
  text-align: center;
}
.example-caption {
  padding-top: 20px;
}
.decision {
  padding: 24px;
  background: white;
  border-top: 1px solid var(--line);
}
.section {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
}
.section-head h2 {
  max-width: 580px;
}
.section-head p {
  max-width: 420px;
}
.workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.workflow article {
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}
.number {
  display: block;
  color: var(--green);
  margin-bottom: 28px;
}
.workflow h3 {
  margin-bottom: 12px;
}
.product-evidence {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}
.capture {
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
}
.capture a {
  display: block;
}
.capture img {
  width: 100%;
}
.capture figcaption {
  padding: 16px 20px;
  color: var(--muted);
  background: white;
}
.capture-note {
  padding: 12px 0;
  color: var(--muted);
}
.tour {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.tour p {
  margin-top: 16px;
}
.hero-video-frame {
  aspect-ratio: 16/9;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.hero-video-poster {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: var(--ink);
  color: white;
}
.hero-video-poster[hidden] {
  display: none;
}
.hero-video-poster:hover {
  color: white;
  text-decoration: underline;
}
.hero-video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.split h2 {
  margin-bottom: 24px;
}
.checklist {
  padding: 0;
  list-style: none;
  margin: 0;
}
.checklist li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.checklist li:first-child {
  padding-top: 0;
}
.checklist li:before {
  content: "✓";
  color: var(--green);
  margin-right: 12px;
}
.pricing {
  background: var(--surface);
}
.price-card {
  padding: 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.price-line {
  margin: 20px 0;
}
.price-line strong {
  font-size: var(--display);
  font-weight: 600;
  letter-spacing: -0.06em;
  color: var(--ink);
}
.price-card .button {
  margin-top: 24px;
}
.price-card p {
  margin-top: 16px;
}
.faq {
  max-width: 800px;
}
.faq h2 {
  margin-bottom: 32px;
}
.faq details {
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
.faq details:last-child {
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  font-weight: 600;
}
.faq details p {
  margin-top: 20px;
  max-width: 700px;
}
.contact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.contact h2 {
  margin-bottom: 16px;
}
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: start;
}
.footer p {
  margin-top: 16px;
}
.breadcrumbs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 32px 0;
  color: var(--muted);
}
.guide-header {
  max-width: 800px;
  padding: 32px 0 56px;
}
.guide-header p {
  margin-top: 24px;
  max-width: 650px;
}
.guide-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 800px);
  gap: 80px;
  align-items: start;
  padding-bottom: 80px;
}
.toc {
  position: sticky;
  top: 32px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.toc a {
  display: block;
  margin-top: 14px;
  text-decoration: none;
}
.toc a:hover {
  text-decoration: underline;
}
.toc strong {
  display: block;
  margin-bottom: 24px;
}
.guide-body {
  min-width: 0;
}
.prerequisites {
  padding: 28px;
  background: var(--surface);
  border-left: 3px solid var(--green);
}
.prerequisites ul {
  padding-left: 20px;
  margin-bottom: 0;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}
.steps > li {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
  counter-increment: step;
  scroll-margin-top: 24px;
}
.steps h2 {
  margin-bottom: 24px;
}
.steps h2:before {
  content: counter(step, decimal-leading-zero) " / ";
  color: var(--green);
}
.steps figure {
  margin-top: 24px;
}
.steps p + p {
  margin-top: 16px;
}
.success {
  padding: 32px;
  background: var(--surface);
  margin-top: 40px;
}
.success h2 {
  margin-bottom: 20px;
}
.next {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
}
.index-list {
  padding: 0;
  list-style: none;
  max-width: 880px;
}
.index-list li {
  border-top: 1px solid var(--line);
}
.index-list a {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  text-decoration: none;
}
.index-list h2 {
  font-size: var(--heading);
  margin-bottom: 12px;
}
.index-list a:hover h2 {
  text-decoration: underline;
}
.reading {
  max-width: 800px;
  padding-bottom: 80px;
}
.reading h2 {
  margin: 40px 0 20px;
}
.reading table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.reading th,
.reading td {
  text-align: left;
  padding: 16px 8px;
  border-bottom: 1px solid var(--line);
}
.reading caption {
  text-align: left;
  font-weight: 600;
}
.reading .price-card h2 {
  margin: 0;
}
.anchor {
  scroll-margin-top: 24px;
}
@media (max-width: 1000px) {
  :root {
    --display: 48px;
  }
  .wrap {
    width: calc(100% - 48px);
  }
  .hero {
    gap: 32px;
  }
  .example-body {
    padding: 24px;
  }
  .threshold {
    padding: 16px;
  }
  .nav {
    gap: 20px;
  }
  .guide-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 40px;
  }
  .split {
    gap: 40px;
  }
}
@media (max-width: 700px) {
  :root {
    --display: 40px;
    --heading: 28px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .header {
    min-height: 80px;
    position: relative;
  }
  .nav {
    display: none;
  }
  .mobile-menu {
    display: block;
  }
  .mobile-menu summary {
    min-height: 44px;
    padding: 10px 0;
  }
  .mobile-menu nav {
    position: absolute;
    z-index: 5;
    top: 79px;
    left: -20px;
    right: -20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 20px;
    box-shadow: 0 12px 16px #1728200a;
  }
  .mobile-menu nav a {
    display: block;
    padding: 12px;
    text-decoration: none;
  }
  .mobile-menu nav .button {
    margin-top: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 40px 0;
    gap: 36px;
  }
  .hero .intro {
    margin: 24px 0;
  }
  .app-label {
    margin-bottom: 24px;
  }
  .actions {
    gap: 16px;
  }
  .example-top {
    padding: 16px;
  }
  .example-body {
    padding: 20px;
  }
  .threshold {
    padding: 16px;
  }
  .amount {
    margin-top: 12px;
  }
  .section {
    padding: 48px 0;
  }
  .section-head,
  .contact,
  .footer-top {
    display: block;
  }
  .section-head p {
    margin-top: 20px;
  }
  .workflow,
  .product-evidence,
  .tour,
  .split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .workflow article {
    padding-top: 16px;
  }
  .number {
    margin-bottom: 12px;
  }
  .product-evidence {
    margin-top: 32px;
  }
  .contact .button {
    margin-top: 24px;
  }
  .price-card {
    padding: 24px;
  }
  .footer-links {
    margin-top: 28px;
    gap: 16px 24px;
  }
  .guide-header {
    padding: 12px 0 32px;
  }
  .guide-layout {
    display: block;
  }
  .toc {
    position: static;
    margin-bottom: 32px;
  }
  .toc a {
    display: inline-block;
    margin: 0 16px 12px 0;
    text-decoration: underline;
  }
  .toc strong {
    margin-bottom: 16px;
  }
  .steps > li {
    padding: 32px 0;
  }
  .steps h2 {
    line-height: 1.2;
  }
  .prerequisites,
  .success {
    padding: 24px;
  }
  .next {
    flex-direction: column;
  }
  .index-list h2 {
    font-size: var(--heading);
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}
/* Shared document and tool layouts. Only three type sizes and weights. */
button,
select,
input {
  font: inherit;
}
button,
input,
select {
  max-width: 100%;
}
button {
  cursor: pointer;
}
:focus-visible {
  outline: 3px solid #2469c1;
  outline-offset: 4px;
}
small,
code,
legend {
  font-size: var(--body);
}
code {
  overflow-wrap: anywhere;
}
.document section {
  margin: 32px 0;
}
.document h3 {
  margin: 24px 0 12px;
}
.document li + li {
  margin-top: 8px;
}
.document table {
  table-layout: fixed;
  overflow-wrap: anywhere;
}
.document img {
  margin: 24px 0;
}
.pricing-reading {
  max-width: 1040px;
}
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.plan-grid .price-card {
  display: flex;
  flex-direction: column;
  align-items: start;
}
.plan-grid .button {
  margin-top: auto;
}
.plan-grid p:last-of-type {
  margin-bottom: 24px;
}
.traffic-intro {
  padding-bottom: 64px;
}
.table-scroll {
  overflow-x: auto;
}
.traffic-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.traffic-table caption {
  text-align: left;
  color: var(--muted);
  margin-bottom: 24px;
}
.traffic-table th,
.traffic-table td {
  padding: 24px;
  border-bottom: 1px solid var(--line);
}
.traffic-table thead {
  background: var(--surface);
}
.traffic-table td strong {
  display: block;
  font-size: var(--heading);
  font-weight: 600;
  letter-spacing: -0.04em;
}
.traffic-table td span {
  display: block;
  color: var(--muted);
}
.calculator-section,
.calculator-explainer,
.calculator-section ~ .resource-section {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}
.calculator-section-heading {
  max-width: 720px;
  margin-bottom: 32px;
}
.calculator-section-heading h2 {
  margin: 16px 0;
}
.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}
.calculator-form,
.calculator-results {
  min-width: 0;
}
fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 32px;
  min-width: 0;
}
legend {
  font-weight: 600;
  padding: 0;
  margin-bottom: 12px;
}
.calculator-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}
.calculator-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calculator-field input,
.calculator-field select {
  width: 100%;
  background: white;
  color: var(--ink);
  border: 1px solid #78887e;
  border-radius: 4px;
  padding: 12px;
  min-height: 48px;
}
.calculator-field input[aria-invalid="true"] {
  border: 2px solid #a12626;
}
.calculator-field small,
.field-help,
.fieldset-help {
  color: var(--muted);
}
.calculator-range-field {
  margin: 24px 0;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--green);
  min-height: 44px;
}
.calculator-split-labels,
.calculator-actions {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.calculator-actions {
  margin-top: 24px;
}
.calculator-advanced {
  border-block: 1px solid var(--line);
  padding: 24px 0;
}
.calculator-advanced > div,
.calculator-advanced > p {
  margin-top: 20px;
}
.calculator-results {
  background: var(--surface);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.calculator-results h2 {
  margin: 12px 0 20px;
}
.calculator-results h3 {
  margin: 16px 0;
}
.calculator-impact-result {
  border-block: 1px solid var(--line);
  padding: 24px 0;
  margin: 24px 0;
}
#result-monthly-impact {
  display: block;
  font-size: var(--display);
  letter-spacing: -0.06em;
  line-height: 1.2;
  font-weight: 600;
  margin-top: 12px;
  overflow-wrap: anywhere;
}
.calculator-impact-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 24px 0;
}
.calculator-impact-breakdown span,
.calculator-impact-breakdown strong,
.calculator-impact-breakdown small {
  display: block;
}
.calculator-impact-formula {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.calculator-impact-formula strong {
  display: block;
}
.calculator-result-facts > div,
.calculator-metric-grid > article {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.calculator-result-facts strong {
  white-space: nowrap;
}
.calculator-decision-note {
  margin-top: 24px;
}
.resource-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}
.button-secondary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--line);
}
.calculator-errors,
.calculator-warnings {
  border-left: 3px solid #a12626;
  padding: 16px;
  background: white;
  margin-block: 20px;
}
.step-grid,
.seo-note-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 32px;
}
.step-card h3 {
  margin: 12px 0;
}
@media (max-width: 700px) {
  .plan-grid,
  .calculator-layout,
  .step-grid,
  .seo-note-row {
    grid-template-columns: 1fr;
  }
  .calculator-results {
    padding: 24px;
  }
  .calculator-field-grid,
  .calculator-impact-breakdown {
    grid-template-columns: 1fr;
  }
  .traffic-table th,
  .traffic-table td {
    padding: 16px 8px;
  }
  .traffic-table td strong {
    font-size: var(--body);
  }
  .traffic-intro {
    padding-bottom: 40px;
  }
}
.setup-video {
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
  width: 100%;
  height: auto;
  background: var(--surface);
  border: 1px solid var(--line);
}
.video-chapters {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
}
/* Three sequential product screens keep the workflow and its controls readable. */
.workflow-story {
  margin-top: 40px;
}
.workflow-step {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.workflow-copy h3 {
  margin: 16px 0;
  font-size: var(--heading);
}
.workflow-copy p {
  margin-bottom: 24px;
}
@media (max-width: 760px) {
  .workflow-step {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }
}

.profit-assumptions fieldset {
  padding: 24px;
  border: 1px solid var(--line);
  margin: 0 0 24px;
}
.profit-assumptions legend {
  font-weight: 600;
}
.profit-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.profit-controls label {
  display: grid;
  gap: 12px;
}
.profit-controls select {
  width: 100%;
  min-width: 0;
  padding: 12px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}
[data-profit-summary] {
  margin: 24px 0;
}
@media (max-width: 760px) {
  .profit-controls {
    grid-template-columns: 1fr;
  }
  .profit-assumptions fieldset {
    padding: 16px;
  }
}