:root {
  color-scheme: light;
  --ink: #17201b;
  --muted: #5f6d65;
  --line: #d9e1dc;
  --paper: #ffffff;
  --wash: #f6f4ed;
  --mint: #d9f2e4;
  --teal: #0d7c66;
  --teal-dark: #075948;
  --amber: #f5b23d;
  --rose: #e85d75;
  --shadow: 0 18px 46px rgba(30, 43, 35, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--wash);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 12px clamp(16px, 4vw, 48px);
  background: rgba(246, 244, 237, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--amber);
  font-size: 0.8rem;
  letter-spacing: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  text-decoration: none;
}

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

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr);
  gap: 22px;
  width: min(1180px, calc(100vw - 32px));
  margin: 30px auto 24px;
  align-items: start;
}

.tool-panel,
.sell-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.tool-panel {
  padding: clamp(20px, 3vw, 34px);
}

.sell-panel {
  padding: 18px;
}

.section-heading {
  max-width: 700px;
}

.section-heading.compact {
  margin-top: 16px;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--teal-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 10px;
  font-size: clamp(2rem, 4.5vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(1.45rem, 2.5vw, 2.15rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.02rem;
}

p {
  color: var(--muted);
}

.generator {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #bfcbc4;
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--ink);
  font: inherit;
}

input,
select {
  min-height: 46px;
  padding: 0 12px;
}

textarea {
  resize: vertical;
  min-height: 172px;
  padding: 14px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(13, 124, 102, 0.18);
  border-color: var(--teal);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.primary-button,
.secondary-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 16px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 140ms ease,
    background 140ms ease,
    border-color 140ms ease;
}

.primary-button {
  background: var(--teal);
  color: #ffffff;
}

.primary-button:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.secondary-button,
.icon-button {
  background: #fffaf0;
  color: var(--ink);
  border-color: #ead2a0;
}

.secondary-button:hover,
.icon-button:hover {
  border-color: var(--amber);
  transform: translateY(-1px);
}

.result {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.result-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.product-preview {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mint);
}

.price-box {
  display: grid;
  gap: 4px;
  margin: 18px 0;
  padding: 12px 0 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.price {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--teal-dark);
}

.price-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.payment-steps {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding-left: 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

.payment-steps li::marker {
  color: var(--teal-dark);
  font-weight: 900;
}

.payment-actions {
  display: grid;
  gap: 10px;
}

.trust-note {
  margin: 14px 0 0;
  font-size: 0.86rem;
}

.content-band,
.proof-band,
.signals {
  padding: 42px clamp(16px, 4vw, 48px);
}

.band-inner,
.proof-inner,
.signals {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.feature-grid article {
  min-height: 152px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.feature-grid article:nth-child(2) {
  border-top: 4px solid var(--amber);
}

.feature-grid article:nth-child(3) {
  border-top: 4px solid var(--rose);
}

.text-link {
  color: var(--teal-dark);
  font-weight: 850;
}

.guide-page {
  background: var(--paper);
}

.guide-hero,
.guide-body {
  width: min(860px, calc(100vw - 32px));
  margin: 0 auto;
}

.guide-hero {
  padding: 52px 0 22px;
}

.guide-hero h1 {
  max-width: 860px;
}

.guide-body {
  padding: 10px 0 54px;
}

.guide-body h2 {
  margin-top: 30px;
}

.guide-body p,
.guide-body li {
  color: var(--muted);
}

.example-list {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.example-list li,
.guide-cta {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--wash);
}

.guide-cta {
  margin-top: 28px;
}

.checkout-hero {
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 52px 0 22px;
}

.checkout-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
}

.checkout-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.checkout-card.featured {
  border-top: 4px solid var(--teal);
}

.qr-code {
  width: min(240px, 100%);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.bank-box {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px dashed #b7ded0;
  border-radius: 8px;
  background: #eef7f2;
}

.bank-box span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.bank-box strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 1rem;
}

.checkout-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.comparison-hero {
  display: grid;
  gap: 14px;
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 38px 0 16px;
}

.comparison-hero h1 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
}

.comparison-preview {
  max-width: 420px;
}

.decision-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto 18px;
}

.decision-card {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.decision-card.featured {
  border-top: 4px solid var(--amber);
  background: #fffaf0;
}

.comparison-table-wrap {
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  background: #eef7f2;
  color: var(--ink);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.comparison-table a {
  color: var(--teal-dark);
  font-weight: 850;
}

.proof-band {
  background: #eef7f2;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 10px;
}

.mini-metrics span {
  display: grid;
  gap: 2px;
  min-height: 86px;
  align-content: center;
  padding: 14px;
  border: 1px solid #b7ded0;
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
}

.mini-metrics strong {
  color: var(--ink);
  font-size: 1.45rem;
}

.source-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.source-list li {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
}

.source-list a {
  color: var(--teal-dark);
  font-weight: 800;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(340px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #ffffff;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .workspace {
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

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

  .proof-inner {
    grid-template-columns: 1fr;
  }

  .mini-metrics {
    grid-template-columns: 1fr;
  }

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

  .decision-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    width: 100%;
    gap: 12px;
    justify-content: flex-start;
  }

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

  h1 {
    font-size: 2.15rem;
    line-height: 1.02;
  }

  .decision-band {
    grid-template-columns: 1fr;
  }
}