:root {
  --ink: #16211f;
  --muted: #66736f;
  --line: #d9e2de;
  --paper: #f7faf8;
  --white: #ffffff;
  --green: #0f8f68;
  --green-dark: #076044;
  --gold: #d49a26;
  --red: #b73535;
  --shadow: 0 18px 45px rgba(23, 35, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(247, 250, 248, 0.92);
  border-bottom: 1px solid rgba(217, 226, 222, 0.8);
  backdrop-filter: blur(16px);
}

.brand,
.nav-links,
.trust-row,
.hero-actions,
.panel-top {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: var(--green-dark);
  border-radius: 8px;
  font-size: 13px;
}

.nav-links {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.65fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(48px, 8vw, 92px) clamp(20px, 5vw, 72px) 36px;
  background:
    linear-gradient(120deg, rgba(15, 143, 104, 0.13), transparent 44%),
    linear-gradient(320deg, rgba(212, 154, 38, 0.18), transparent 42%),
    var(--paper);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.lead {
  max-width: 620px;
  color: #3f4f4a;
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--white);
  background: var(--green);
}

.button.primary:hover {
  background: var(--green-dark);
}

.button.ghost {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
}

.button.full {
  width: 100%;
}

.button.disabled {
  pointer-events: none;
  opacity: 0.55;
}

.trust-row {
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 8px 12px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.product-panel,
.checkout-card,
.result-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.product-panel {
  padding: 24px;
}

.panel-top {
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 50%;
}

.product-box {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 26px 0;
  padding: 18px;
  background: #eef7f3;
  border: 1px solid #cfe3da;
  border-radius: 8px;
}

.file-icon {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  color: var(--white);
  background: var(--green-dark);
  border-radius: 8px;
  font-weight: 900;
}

.product-box small,
.small-muted {
  display: block;
  color: var(--muted);
}

.summary-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.summary-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.summary-list dt {
  color: var(--muted);
}

.summary-list dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.section,
.checkout-section {
  padding: clamp(52px, 8vw, 92px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 26px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article {
  min-height: 210px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-number {
  display: block;
  margin-bottom: 22px;
  color: var(--gold);
  font-weight: 900;
}

.content-section {
  background: #fdfbf6;
}

.content-section .section-heading p:not(.eyebrow) {
  max-width: 850px;
  color: var(--muted);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.content-grid article {
  padding: 24px;
  background: var(--white);
  border: 1px solid #eadfca;
  border-radius: 8px;
}

.content-grid p {
  color: var(--muted);
}

.resale-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 18px;
  padding: 18px;
  background: #10231d;
  color: var(--white);
  border-radius: 8px;
}

.resale-note span {
  color: #d8eee5;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 42px;
  align-items: start;
  background: #10231d;
  color: var(--white);
}

.split .eyebrow,
.split .check-list {
  color: #aee2cf;
}

.check-list {
  display: grid;
  gap: 14px;
}

.check-list p {
  display: flex;
  gap: 12px;
  margin: 0;
}

.check-list span {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  background: var(--gold);
  border-radius: 50%;
}

.checkout-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.75fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.checkout-copy {
  position: sticky;
  top: 112px;
}

.checkout-card {
  padding: 24px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
}

input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  color: var(--ink);
  background: #fbfdfc;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(15, 143, 104, 0.14);
}

.payment-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 18px 0;
}

.tab {
  min-height: 42px;
  color: var(--muted);
  background: #f0f5f2;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.tab.active {
  color: var(--white);
  background: var(--green-dark);
  border-color: var(--green-dark);
}

.payment-pane {
  display: none;
}

.payment-pane.active {
  display: block;
}

.pane-note {
  color: var(--muted);
}

.paypal-box {
  min-height: 48px;
}

.manual-pane h3 {
  margin-top: 4px;
}

.number-box {
  margin: 14px 0;
  padding: 16px;
  color: var(--green-dark);
  background: #eef7f3;
  border: 1px solid #cfe3da;
  border-radius: 8px;
  font-size: 22px;
  font-weight: 900;
  text-align: center;
}

.form-message {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--red);
  font-weight: 700;
}

.faq {
  background: var(--white);
}

details {
  max-width: 900px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.legal-page {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: clamp(52px, 8vw, 92px) clamp(20px, 5vw, 72px);
}

.legal-page h1 {
  font-size: clamp(40px, 6vw, 68px);
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.legal-grid article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.legal-grid p {
  color: var(--muted);
}

.center-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 20px;
}

.result-card {
  width: min(100%, 480px);
  padding: 28px;
  text-align: center;
}

.result-card h1 {
  font-size: 36px;
  line-height: 1;
}

.result-card p {
  color: var(--muted);
}

.result-icon {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  margin: 0 auto 16px;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-weight: 900;
}

.warning .result-icon {
  background: var(--gold);
}

.result-card .button + .button {
  margin-top: 10px;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .checkout-section,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

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

  .resale-note {
    flex-direction: column;
  }

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

  .checkout-copy {
    position: static;
  }

  .payment-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  h1 {
    font-size: 44px;
  }

  .product-panel,
  .checkout-card,
  .result-card,
  .feature-grid article {
    padding: 18px;
  }

  .site-footer {
    flex-direction: column;
  }
}