:root {
  color-scheme: light;
  --ink: #101a17;
  --muted: #58665f;
  --line: #d9e4dd;
  --soft: #f3f7f5;
  --paper: #ffffff;
  --green: #0d6b4c;
  --green-dark: #084a36;
  --blue: #245f9f;
  --amber: #8a5a08;
  --danger: #9b2c2c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 20;
  padding: 10px 12px;
  border-radius: 6px;
  background: #fff;
  color: var(--green);
  font-weight: 760;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--ink);
  color: #fff;
}

.nav-inner,
.inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  font-weight: 820;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.84);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-links a.customer-area-link {
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 999px;
  color: #fff;
  font-weight: 780;
}

.nav-links a.customer-area-link:hover,
.nav-links a.customer-area-link:focus-visible {
  border-color: #e6fff4;
  background: #e6fff4;
  color: var(--green-dark);
  text-decoration: none;
}

.page-head {
  padding: 64px 0 54px;
  background: var(--ink);
  color: #fff;
}

.eyebrow {
  margin: 0 0 12px;
  color: #8ce0bd;
  font-size: 13px;
  font-weight: 820;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.02;
}

.lede {
  max-width: 820px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
  line-height: 1.6;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 760;
}

.button.primary {
  border-color: #e6fff4;
  background: #e6fff4;
  color: var(--green-dark);
}

.button.page {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.button.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.visual-band {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.product-visual {
  width: 100%;
  display: block;
  border: 1px solid #cbd9d1;
  border-radius: 8px;
  background: #fff;
  aspect-ratio: 1200 / 630;
}

.fact-band {
  border-bottom: 1px solid var(--line);
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fact {
  min-width: 0;
  padding: 22px 18px;
  border-left: 1px solid var(--line);
}

.fact:last-child {
  border-right: 1px solid var(--line);
}

.fact strong,
.fact span {
  display: block;
}

.fact strong {
  font-size: 18px;
}

.fact span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

main section {
  padding: 62px 0;
  border-bottom: 1px solid var(--line);
}

main section.soft {
  background: var(--soft);
}

h2 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
}

h3 {
  margin: 0 0 9px;
  font-size: 20px;
  line-height: 1.25;
}

.section-copy {
  max-width: 820px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 44px;
  align-items: start;
}

.two-col > * {
  min-width: 0;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.panel p,
.body-copy,
li {
  color: var(--muted);
  line-height: 1.62;
}

.check-list,
.output-list {
  margin: 20px 0 0;
  padding-left: 22px;
}

.check-list li,
.output-list li {
  margin: 9px 0;
}

.route {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.route.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.route-step {
  min-width: 0;
  padding: 22px;
  background: #fff;
}

.route-step + .route-step {
  border-left: 1px solid var(--line);
}

.step-number {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  margin-bottom: 13px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-weight: 820;
}

.notice {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 4px solid var(--amber);
  background: #fff8e8;
  color: #563b0a;
  line-height: 1.6;
}

.machine-note {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 4px solid var(--blue);
  background: #edf5ff;
  color: #173b62;
  line-height: 1.6;
}

pre {
  min-width: 0;
  max-width: 100%;
  margin: 24px 0 0;
  padding: 20px;
  overflow: auto;
  border-radius: 8px;
  background: #0e1a16;
  color: #f3fff9;
  font: 13px/1.55 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  white-space: pre;
}

code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.comparison {
  width: 100%;
  margin-top: 28px;
  border-collapse: collapse;
  font-size: 15px;
}

.comparison th,
.comparison td {
  padding: 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}

.comparison th {
  background: var(--soft);
}

.resource-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.resource-link {
  min-width: 0;
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
}

.resource-link:hover,
.resource-link:focus-visible {
  border-color: var(--green);
}

.resource-link strong,
.resource-link span {
  display: block;
}

.resource-link span {
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.5;
}

.page-footer {
  padding: 34px 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.page-footer a {
  color: #fff;
}

.form-layout {
  align-items: stretch;
}

.data-form {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.data-form fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.data-form legend {
  margin-bottom: 18px;
  font-size: 20px;
  font-weight: 800;
}

.data-form label {
  display: block;
  margin: 14px 0 6px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.45;
}

.data-form input[type="text"],
.data-form input[type="email"],
.data-form input:not([type]) {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #aabbb1;
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.data-form input:focus-visible,
.data-form button:focus-visible {
  outline: 3px solid rgba(36, 95, 159, 0.28);
  outline-offset: 2px;
  border-color: var(--blue);
}

.optional {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.checkbox-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.checkbox-list label {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  margin: 0;
  font-weight: 560;
}

.checkbox-list input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
}

.form-submit {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.62;
}

.form-status {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--green-dark);
  font-weight: 700;
  line-height: 1.5;
}

.result-area {
  margin-top: 38px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.preview-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.preview-result-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.preview-result-card p,
.preview-findings {
  color: var(--muted);
  line-height: 1.55;
}

.preview-score {
  margin: 8px 0 0;
  color: var(--green-dark) !important;
  font-size: 28px;
  font-weight: 840;
}

.preview-score-label {
  margin: 0 0 14px;
  font-size: 13px;
}

.preview-decision-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.preview-decision-meta span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 760;
}

.preview-decision {
  color: var(--text) !important;
  font-weight: 760;
}

.preview-findings {
  padding-left: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 18px;
}

.field.full {
  grid-column: 1 / -1;
}

.order-form {
  margin-top: 28px;
}

.order-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
  padding: 18px;
  border-radius: 8px;
  background: var(--soft);
}

.danger-notice {
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 4px solid var(--danger);
  background: #fff1f1;
  color: #6e2020;
  line-height: 1.6;
}

.real-order-check {
  padding: 14px;
  border: 1px solid #d9a0a0;
  border-radius: 7px;
  background: #fff5f5;
}

.order-next-step {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.order-next-step .button {
  margin-top: 8px;
}

.product-video-section {
  scroll-margin-top: 24px;
}

.product-video-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 38px;
  align-items: start;
}

.product-video-frame {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(7, 31, 25, 0.09);
}

.product-video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 9px;
  background: #071f19;
}

.video-note,
.video-audio-status {
  color: var(--muted);
  line-height: 1.6;
}

.video-audio-button {
  margin-top: 8px;
}

.video-audio-status {
  min-height: 1.5em;
  margin: 10px 0 0;
  font-size: 14px;
}

.product-video-actions {
  margin-top: 22px;
}

.video-transcript {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
}

.video-transcript summary {
  color: var(--green-dark);
  font-weight: 800;
  cursor: pointer;
}

.video-transcript p {
  line-height: 1.6;
}

@media (max-width: 820px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .facts,
  .three-col,
  .route,
  .route.four,
  .resource-links,
  .two-col,
  .preview-result-grid,
  .form-grid,
  .order-summary {
    grid-template-columns: 1fr;
  }

  .product-video-grid {
    grid-template-columns: 1fr;
  }

  .field.full {
    grid-column: auto;
  }

  .fact,
  .fact:last-child {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .route-step + .route-step {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .comparison {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 520px) {
  .nav-links {
    gap: 12px;
  }

  .page-head {
    padding: 44px 0 40px;
  }

  h1 {
    font-size: 38px;
  }

  .lede {
    font-size: 17px;
  }

  main section {
    padding: 46px 0;
  }
}