:root {
  --ink: #1A1A1B;
  --ink-soft: #3A3A3C;
  --muted: #6F6F73;
  --line: #D9D9DE;
  --paper: #F5F5F7;
  --white: #FFFFFF;
  --red: #D52B1E;
  --red-dark: #A8221A;
  --green: #2F6B4F;
  --blue: #264D73;
  --gold: #9A7B45;
  --panel: #ECECEF;
  --shadow: 0 24px 80px rgba(26, 26, 27, 0.14);
  --shadow-soft: 0 18px 48px rgba(26, 26, 27, 0.08);
  --shadow-strong: 0 32px 90px rgba(26, 26, 27, 0.2);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
}

a {
  color: inherit;
}

a:visited {
  color: inherit;
}

.button:visited {
  color: inherit;
}

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

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  min-height: 96px;
  padding: 10px 0;
}

.brand-link {
  text-decoration: none;
}

.brand-wordmark {
  color: var(--red);
  font-size: 1.28rem;
  font-weight: 720;
  letter-spacing: 0;
}

.brand-logo {
  display: block;
  width: 112px;
  height: 112px;
  object-fit: contain;
  object-position: left center;
}

.local-banner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 10px 0;
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 620;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  text-decoration: none;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: var(--red);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: left center;
  transition: opacity 160ms ease, transform 160ms ease;
}

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

.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(213, 43, 30, 0.34);
  outline-offset: 4px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(420px, 0.9fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  min-height: calc(100svh - 116px);
  margin: 0 auto;
  padding: 18px 0 78px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 740;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  font-weight: 760;
  letter-spacing: 0;
  line-height: 0.98;
}

.hero-lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.8vw, 1.24rem);
  line-height: 1.58;
}

.hero-superpowers {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--ink);
  font-size: clamp(1.02rem, 1.8vw, 1.26rem);
  font-weight: 640;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-superpowers strong {
  font-weight: 760;
}

.hero-superpowers + .hero-lede {
  margin-top: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 720;
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.button.primary {
  border-color: var(--red);
  background: var(--red);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(213, 43, 30, 0.22);
}

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

.button.secondary {
  background: transparent;
}

.button.secondary:hover {
  background: var(--ink);
  color: var(--white);
  transform: translateY(-1px);
}

.refund-note {
  max-width: 560px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.diagnostic-preview {
  position: relative;
  align-self: center;
  overflow: hidden;
  padding: clamp(22px, 3.2vw, 34px);
  background: var(--ink);
  box-shadow: var(--shadow-strong);
  color: var(--white);
}

.diagnostic-preview::before {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(245, 245, 247, 0.12);
  content: "";
  pointer-events: none;
}

.preview-toolbar,
.preview-signal,
.preview-evidence,
.preview-url,
.diagnostic-preview .visual-proof {
  position: relative;
}

.preview-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.preview-toolbar span,
.preview-url,
.preview-verdict span,
.preview-evidence span {
  color: rgba(245, 245, 247, 0.68);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 740;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-toolbar strong {
  color: var(--white);
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 0.9;
}

.preview-url {
  margin-top: 26px;
  padding: 14px 0;
  border-top: 1px solid rgba(245, 245, 247, 0.14);
  border-bottom: 1px solid rgba(245, 245, 247, 0.14);
}

.preview-signal {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(150px, 0.9fr);
  gap: 20px;
  align-items: stretch;
  margin-top: 22px;
}

.preview-signal svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 178px;
  padding: 12px;
  background: var(--paper);
}

.preview-signal rect,
.preview-signal path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.2;
}

.preview-signal line {
  stroke: var(--line);
  stroke-width: 1.4;
}

.preview-signal circle {
  fill: var(--red);
}

.preview-signal circle.target {
  fill: var(--green);
}

.preview-signal text {
  fill: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
}

.preview-verdict {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 178px;
  padding-left: 18px;
  border-left: 2px solid var(--red);
}

.preview-verdict p {
  margin: 12px 0 0;
  color: var(--white);
  font-size: clamp(1.06rem, 1.7vw, 1.38rem);
  font-weight: 720;
  line-height: 1.16;
}

.preview-evidence {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.preview-evidence div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid rgba(245, 245, 247, 0.14);
}

.preview-evidence p {
  margin: 0;
  color: rgba(245, 245, 247, 0.78);
  font-size: 0.94rem;
}

.method-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: min(480px, 76vw);
}

.method-visual svg {
  display: block;
  width: min(100%, 430px);
  height: auto;
}

.method-visual circle {
  fill: none;
  stroke: var(--ink);
  stroke-width: 0.8;
}

.method-ring {
  animation: none;
  transform-box: fill-box;
  transform-origin: center;
}

.method-ring circle {
  stroke-width: var(--ring-stroke, 0.5);
  stroke-dasharray: 2 6;
  opacity: var(--ring-opacity, 0.2);
}

.visual-ring,
.visual-ring-outer {
  opacity: var(--ring-opacity);
  animation: filter-propagation 2.24s cubic-bezier(0.16, 0.72, 0.18, 1) var(--filter-delay) 1 both;
  transform-box: fill-box;
  transform-origin: center;
}

.visual-ring-outer {
  --ring-opacity: 0.14;
  --ring-stroke: 0.5;
  --filter-delay: 2.68s;
}

.visual-ring-1 {
  --ring-opacity: 0.1;
  --filter-delay: 2.56s;
}

.visual-ring-2 {
  --ring-opacity: 0.14;
  --filter-delay: 2.44s;
}

.visual-ring-3 {
  --ring-opacity: 0.18;
  --filter-delay: 2.32s;
}

.visual-ring-4 {
  --ring-opacity: 0.23;
  --filter-delay: 2.2s;
}

.visual-ring-5 {
  --ring-opacity: 0.29;
  --filter-delay: 2.08s;
}

.visual-ring-6 {
  --ring-opacity: 0.36;
  --filter-delay: 1.96s;
}

.method-visual .method-core {
  animation: core-red-flash 0.66s cubic-bezier(0.16, 0.72, 0.18, 1) 1.54s 1 both;
  fill: var(--red);
  stroke: none;
  opacity: 0.92;
  filter: none;
}

.method-visual .signal-wave {
  animation: signal-wave-flow 2.52s cubic-bezier(0.16, 0.72, 0.18, 1) 1.92s 1 both;
  fill: none;
  opacity: 0;
  stroke: var(--red);
  stroke-width: 0.9;
  transform-box: view-box;
  transform-origin: 200px 200px;
}

.method-visual rect {
  fill: var(--white);
}

.method-badge {
  position: absolute;
  right: 6%;
  bottom: 8%;
  display: grid;
  gap: 4px;
  min-width: 168px;
  padding: 12px 16px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.method-badge span {
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 740;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.method-badge strong {
  color: var(--ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 1.02rem;
}

.arrow {
  animation: arrow-fly 2.15s cubic-bezier(0.16, 0.72, 0.18, 1) both;
  animation-delay: 0.2s;
}

.arrow-aura {
  fill: none;
  stroke: rgba(26, 26, 27, 0.045);
  stroke-width: 4.6;
  stroke-linecap: round;
}

.arrow-shaft {
  fill: none;
  stroke: url(#arrow-light);
  stroke-width: 3.1;
  stroke-linecap: round;
}

.arrow-pulse {
  animation: beam-pulse 2.2s cubic-bezier(0.16, 0.72, 0.18, 1) 0.12s 1 both;
  fill: none;
  opacity: 0;
  stroke: var(--white);
  stroke-dasharray: 72 220;
  stroke-dashoffset: 200;
  stroke-linecap: round;
  stroke-width: 2.4;
}

.arrow-head {
  fill: rgba(255, 255, 255, 0.84);
  stroke: none;
}

.impact-light {
  animation: impact-light-settle 1.18s cubic-bezier(0.16, 0.72, 0.18, 1) 1.82s 1 both;
  fill: url(#center-impact);
  opacity: 0;
  stroke: none;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes arrow-fly {
  0%   { transform: translate(54px, 54px); opacity: 0; }
  72%  { transform: translate(0, 0); opacity: 1; }
  100% { transform: translate(0, 0); opacity: 1; }
}

@keyframes beam-pulse {
  0% {
    opacity: 0;
    stroke-dashoffset: 200;
  }
  38% {
    opacity: 0.18;
  }
  70% {
    opacity: 0.28;
    stroke-dashoffset: 36;
  }
  100% {
    opacity: 0;
    stroke-dashoffset: -32;
  }
}

@keyframes core-red-flash {
  0% {
    fill: var(--red);
    opacity: 0.92;
    filter: none;
  }
  12%,
  28% {
    fill: #FF0000;
    opacity: 1;
    filter: none;
  }
  100% {
    fill: var(--red);
    opacity: 0.92;
    filter: none;
  }
}

@keyframes signal-wave-flow {
  0% {
    opacity: 0;
    stroke: rgba(213, 43, 30, 0);
    stroke-width: 1.1;
    transform: scale(0.82);
  }
  12% {
    opacity: 0.16;
    stroke: rgba(213, 43, 30, 0.34);
  }
  62% {
    opacity: 0.16;
    stroke: rgba(213, 43, 30, 0.24);
    stroke-width: 0.72;
  }
  100% {
    opacity: 0;
    stroke: rgba(213, 43, 30, 0);
    stroke-width: 0.42;
    transform: scale(6.78);
  }
}

@keyframes impact-light-settle {
  0% {
    opacity: 0;
    transform: scale(0.62);
  }
  28% {
    opacity: 0.32;
    transform: scale(1.06);
  }
  100% {
    opacity: 0.1;
    transform: scale(0.96);
  }
}

@keyframes filter-propagation {
  0% {
    stroke: var(--ink);
    stroke-width: var(--ring-stroke, 0.8);
    opacity: var(--ring-opacity);
    filter: none;
  }
  20% {
    stroke: rgba(213, 43, 30, 0.62);
    stroke-width: 1.02px;
    opacity: 0.34;
    filter: none;
  }
  58% {
    stroke: rgba(213, 43, 30, 0.26);
    stroke-width: 0.92px;
    opacity: 0.26;
    filter: none;
  }
  100% {
    stroke: var(--ink);
    stroke-width: var(--ring-stroke, 0.8);
    opacity: var(--ring-opacity);
    filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arrow,
  .arrow-pulse,
  .impact-light,
  .signal-wave,
  .visual-ring,
  .visual-ring-outer,
  .method-visual .method-core {
    animation: none;
  }
}

.visual-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  justify-content: center;
  max-width: 440px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: clamp(0.72rem, 0.92vw, 0.8rem);
  font-weight: 560;
  letter-spacing: 0.02em;
}

.diagnostic-preview .visual-proof {
  justify-content: flex-start;
  margin-top: 22px;
  color: rgba(245, 245, 247, 0.68);
}

.visual-proof span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.visual-proof span + span::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  background: rgba(213, 43, 30, 0.74);
  border-radius: 50%;
}

.chart-panel {
  margin: 0;
  padding: 18px;
  background: var(--paper);
}

.chart-panel figcaption {
  margin-bottom: 8px;
  color: var(--ink);
  font-weight: 720;
}

.chart-panel svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 156px;
}

.chart-panel rect,
.chart-panel path,
.chart-panel polygon.grid {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
}

.chart-panel line {
  stroke: var(--line);
  stroke-width: 1.5;
}

.chart-panel circle {
  fill: var(--red);
}

.chart-panel circle.target {
  fill: var(--green);
}

.chart-panel polygon.score-shape {
  fill: rgba(213, 43, 30, 0.18);
  stroke: var(--red);
  stroke-width: 3;
}

.chart-panel text {
  fill: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
}

.report-list ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.report-list li + li {
  margin-top: 10px;
}

.method-grid {
  grid-template-columns: repeat(4, 1fr);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(68px, 8vw, 106px) 0;
}

.section-heading {
  display: grid;
  gap: 10px;
  max-width: 740px;
  margin-bottom: 30px;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.feature-grid,
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature {
  min-height: 190px;
  padding: 0 28px 0 0;
  background: var(--white);
}

.feature-number {
  display: block;
  margin-bottom: 22px;
  color: var(--red);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.84rem;
  font-weight: 740;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.feature p,
.boundary-list p,
.boundary-list li,
.boundary-copy > p:not(.eyebrow),
.sample-copy p,
.report-row p,
.checkout-note,
.legal-shell p,
.narrow-shell p {
  color: var(--ink-soft);
}

.sample-section {
  border-top: 0;
}

.decision-section {
  border-top: 0;
}

.decision-grid,
.report-anatomy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.decision-card {
  min-height: 210px;
  padding: 28px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.decision-card:nth-child(2) {
  background: var(--white);
}

.decision-card p {
  margin: 0;
  color: var(--ink-soft);
}

.evidence-lede {
  max-width: 740px;
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.evidence-stat {
  margin: 0 0 26px;
  padding: 26px 0 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evidence-stat blockquote {
  margin: 0;
  max-width: 900px;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.18;
  font-weight: 640;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.evidence-stat figcaption {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.evidence-stat figcaption cite {
  font-style: normal;
  font-weight: 680;
  color: var(--red);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.evidence-card {
  margin: 0;
  padding: 30px 28px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  border-top: 3px solid var(--red);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.evidence-card blockquote {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.32;
  font-weight: 560;
  color: var(--ink);
}

.evidence-card figcaption {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.01em;
}

.evidence-card figcaption cite {
  font-style: normal;
  font-weight: 680;
  color: var(--ink-soft);
}

.evidence-gloss {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.evidence-synthesis {
  max-width: 760px;
  margin: 28px 0 0;
  font-size: 1.12rem;
  font-weight: 580;
  color: var(--ink);
}

.evidence-section .comparison-footer {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.report-anatomy {
  grid-template-columns: 1fr 1fr;
  margin-bottom: 26px;
}

.dark-chart {
  background: var(--ink);
}

.dark-chart figcaption {
  color: var(--white);
}

.dark-chart line,
.dark-chart rect,
.dark-chart path,
.dark-chart polygon.grid {
  stroke: rgba(245, 245, 247, 0.68);
}

.dark-chart text {
  fill: rgba(245, 245, 247, 0.68);
}

.sample-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.sample-copy {
  max-width: 480px;
}

.sample-copy p {
  margin: 0;
  font-size: 1.05rem;
}

.text-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--red);
  font-weight: 740;
  text-decoration: none;
}

.text-link:hover {
  color: var(--red-dark);
}

.report-sheet {
  margin: 0;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.report-sheet figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  color: var(--ink);
}

.report-sheet figcaption span,
.report-row span {
  color: var(--red);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 740;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.report-sheet figcaption strong {
  font-size: 1.02rem;
}

.report-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.report-row p {
  margin: 0;
}

.report-row.priority {
  border-top-color: var(--ink);
}

.boundary {
  border-top: 0;
}

.boundary-copy {
  display: grid;
  gap: 24px;
}

.boundary-copy h2 {
  max-width: 860px;
}

.boundary-copy > p:not(.eyebrow) {
  max-width: 820px;
  margin: 0;
  font-size: 1.04rem;
}

.boundary-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.boundary-list p,
.boundary-list li {
  margin: 0;
  padding-left: 18px;
  border-left: 2px solid var(--red);
}

.site-footer {
  min-height: 76px;
  border-top: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer a {
  text-decoration: none;
}

.narrow-page,
.legal-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

.narrow-shell,
.legal-shell {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
  flex: 1;
}

.narrow-shell {
  display: grid;
  align-content: center;
}

.narrow-shell h1,
.legal-shell h1 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
}

.narrow-shell .button {
  margin-top: 24px;
}

.checkout-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
  margin-top: 28px;
}

.checkout-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 720;
}

.checkout-form input:not([type="checkbox"]),
.checkout-form select,
.checkout-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.checkout-form textarea {
  min-height: 140px;
  padding: 12px 14px;
  resize: vertical;
}

.checkout-form input:not([type="checkbox"]):focus,
.checkout-form select:focus,
.checkout-form textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(213, 43, 30, 0.08);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.checkbox-label {
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 12px;
  color: var(--ink-soft);
  font-weight: 520;
}

.checkout-form .checkbox-label input {
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  accent-color: var(--red);
}

.checkout-note {
  margin: 0;
  font-size: 0.92rem;
}

.checkout-status {
  min-height: 24px;
  margin: 0;
  color: var(--ink-soft);
}

.legal-shell section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.legal-shell h2 {
  margin-bottom: 10px;
  font-size: 1.32rem;
}

.legal-shell p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 16px 0;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 28px;
  }

  .diagnostic-preview {
    width: min(100%, 680px);
  }

  .feature-grid,
  .proof-grid,
  .method-grid,
  .decision-grid,
  .evidence-grid,
  .boundary-list,
  .sample-layout,
  .report-anatomy {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 560px) {
  .site-header {
    min-height: 0;
  }

  .brand-logo {
    width: 104px;
    height: 104px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.74rem;
  }

  h1 {
    font-size: 2.24rem;
    line-height: 1.02;
  }

  .hero-lede {
    font-size: 0.96rem;
  }

  .hero-superpowers {
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    line-height: 1.4;
  }

  .hero-actions {
    margin-top: 20px;
  }

  .refund-note {
    font-size: 0.86rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .feature-grid,
  .proof-grid,
  .method-grid,
  .decision-grid,
  .evidence-grid,
  .boundary-list,
  .sample-layout,
  .report-anatomy,
  .report-row {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 28px;
    padding-top: 16px;
    padding-bottom: 42px;
  }

  .diagnostic-preview {
    padding: 18px;
  }

  .diagnostic-preview::before {
    inset: 10px;
  }

  .preview-toolbar strong {
    font-size: 2rem;
  }

  .preview-url {
    margin-top: 18px;
    padding: 10px 0;
    font-size: 0.62rem;
  }

  .preview-signal {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .preview-signal svg,
  .preview-verdict {
    min-height: 0;
  }

  .preview-verdict {
    padding-left: 14px;
  }

  .preview-verdict p {
    font-size: 1.02rem;
  }

  .preview-evidence div {
    grid-template-columns: 28px 1fr;
    gap: 10px;
    padding: 11px 0;
  }

  .preview-evidence p {
    font-size: 0.82rem;
  }

  .diagnostic-preview .visual-proof {
    font-size: 0.68rem;
  }

  .chart-panel {
    padding: 10px;
  }

  .chart-panel svg {
    min-height: 96px;
  }

  .chart-panel figcaption {
    font-size: 0.78rem;
  }

  .chart-panel text {
    font-size: 11px;
  }

  .feature {
    min-height: 0;
    padding-right: 0;
  }

  .decision-card {
    min-height: 0;
    padding: 22px;
  }

  .report-sheet figcaption {
    display: grid;
  }

  .method-visual {
    min-height: 112px;
  }

  .method-visual svg {
    width: min(48%, 150px);
  }

  .method-badge {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .method-ring {
    animation: none;
  }
}