:root {
  color-scheme: light;
  --ink: #111926;
  --ink-soft: #273244;
  --paper: #f3f0e8;
  --paper-deep: #e8e3d8;
  --white: #fffefa;
  --signal: #d7ff62;
  --signal-dark: #93b71f;
  --coral: #ff6846;
  --line: #c6c1b7;
  --muted: #667080;
  --max-width: 1240px;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgb(17 25 38 / 0.035) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--paper);
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

.site-header,
main,
footer {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 88px;
  border-bottom: 1px solid var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--signal);
  background: var(--ink);
  border-radius: 50%;
  font-size: 0.72rem;
}

.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.privacy-pill span {
  width: 9px;
  height: 9px;
  background: var(--signal-dark);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgb(147 183 31 / 0.15);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: clamp(48px, 9vw, 130px);
  align-items: center;
  min-height: min(800px, calc(100vh - 88px));
  padding: 92px 0 108px;
}

.eyebrow,
.section-index,
.panel-label,
.monitor-topline,
.question-progress,
.offer-name,
.signal-number {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 28px;
  color: var(--muted);
}

h1,
h2,
h3 {
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 790px;
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(4rem, 7.3vw, 7.2rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.hero-lede {
  max-width: 660px;
  margin: 34px 0 26px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.55;
}

.text-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.text-link span {
  color: var(--coral);
}

.hero-monitor {
  position: relative;
  padding: 32px;
  color: var(--white);
  background: var(--ink);
  box-shadow: 20px 20px 0 var(--signal);
}

.hero-monitor::before {
  position: absolute;
  inset: 13px;
  border: 1px solid rgb(255 255 255 / 0.12);
  content: '';
  pointer-events: none;
}

.monitor-topline {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 26px;
  color: #a9b2c0;
  border-bottom: 1px solid rgb(255 255 255 / 0.18);
}

.monitor-list {
  position: relative;
  padding: 0;
  margin: 14px 0 28px;
  list-style: none;
}

.monitor-list li {
  display: grid;
  grid-template-columns: 34px 1fr 72px;
  gap: 12px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid rgb(255 255 255 / 0.14);
}

.monitor-list span {
  color: #8c96a6;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.72rem;
}

.monitor-list strong {
  font-size: 0.92rem;
}

.monitor-list i {
  height: 5px;
  background: var(--signal);
  border-radius: 10px;
}

.monitor-list li:nth-child(2) i {
  width: 78%;
}

.monitor-list li:nth-child(3) i {
  width: 43%;
}

.monitor-list li:nth-child(4) i {
  width: 64%;
}

.monitor-list li:nth-child(5) i {
  width: 86%;
}

.hero-monitor > p {
  position: relative;
  margin: 0;
  color: #a9b2c0;
  font-size: 0.78rem;
}

.diagnostic-shell {
  padding: 88px clamp(24px, 5vw, 72px) 96px;
  background: var(--white);
  border: 1px solid var(--ink);
  box-shadow: 12px 12px 0 var(--ink);
}

.diagnostic-intro {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
}

.section-index,
.panel-label {
  margin: 0;
  color: var(--muted);
}

.diagnostic-intro h2,
.offer-heading h2,
.method-section h2 {
  max-width: 880px;
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.4rem, 5vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.diagnostic-intro > div > p {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(350px, 0.92fr);
  gap: clamp(44px, 7vw, 88px);
  padding-top: 64px;
}

#signal-form {
  min-width: 0;
}

.context-card {
  padding: 24px;
  margin: 0 0 38px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.context-card legend {
  padding: 0 8px;
  font-weight: 800;
}

.context-card > p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.context-grid {
  display: grid;
  gap: 14px;
}

.context-grid label {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.context-grid label > span {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.context-grid input {
  width: 100%;
  padding: 11px 12px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0;
}

.context-grid input::placeholder {
  color: #7a8290;
}

.question-progress {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 18px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--muted);
}

.question-progress progress {
  width: 100%;
  height: 6px;
  appearance: none;
  border: 0;
  background: var(--paper-deep);
}

.question-progress progress::-webkit-progress-bar {
  background: var(--paper-deep);
}

.question-progress progress::-webkit-progress-value {
  background: var(--coral);
}

.question-progress progress::-moz-progress-bar {
  background: var(--coral);
}

.signal-card {
  padding: 26px 0 30px;
  margin: 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.signal-card legend {
  float: left;
  display: grid;
  grid-template-columns: 45px 1fr;
  gap: 14px;
  width: 100%;
  padding: 0;
}

.signal-card legend + * {
  clear: both;
}

.signal-card legend > span:last-child {
  display: grid;
  gap: 7px;
}

.signal-card legend strong {
  font-size: 1.05rem;
}

.signal-card legend span span {
  max-width: 630px;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.45;
}

.signal-number {
  color: var(--coral);
}

.choices {
  display: grid;
  gap: 8px;
  margin: 22px 0 0 59px;
}

.choices label {
  display: grid;
  grid-template-columns: 20px 1fr 28px;
  gap: 11px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
}

.choices label:hover {
  background: var(--paper);
  border-color: var(--line);
}

.choices label:has(input:checked) {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.choices input {
  margin: 3px 0 0;
  accent-color: var(--coral);
}

.choices b {
  color: var(--muted);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.72rem;
}

.choices label:has(input:checked) b {
  color: var(--signal);
}

.form-error {
  min-height: 24px;
  margin: 18px 0 12px;
  color: #a32b20;
  font-weight: 800;
}

.form-actions,
.result-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

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

.button-primary:hover {
  color: var(--ink);
  background: var(--signal);
}

.button-quiet {
  color: var(--ink);
  background: transparent;
}

.button-quiet:hover,
.button-secondary:hover {
  background: var(--paper);
}

.result-column {
  min-width: 0;
}

.empty-result,
.result-panel {
  position: sticky;
  top: 24px;
  padding: 34px;
  color: var(--white);
  background: var(--ink);
}

.empty-result {
  min-height: 520px;
}

.empty-result .panel-label,
.result-panel .panel-label {
  color: #9ea8b7;
}

.empty-score {
  margin: 68px 0 28px;
  color: var(--signal);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 7rem;
  letter-spacing: -0.08em;
  line-height: 0.7;
}

.empty-result h2 {
  max-width: 420px;
  margin: 0 0 18px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.empty-result > p:last-child {
  max-width: 440px;
  color: #bdc5d1;
  line-height: 1.55;
}

.result-panel:focus {
  outline-color: var(--signal);
}

.result-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding-bottom: 26px;
  border-bottom: 1px solid rgb(255 255 255 / 0.18);
}

.result-heading h2 {
  margin: 14px 0 0;
  color: var(--signal);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(4.8rem, 8vw, 7.5rem);
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 0.75;
}

.result-heading h2 small {
  margin-left: 5px;
  color: #99a3b1;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.8rem;
  letter-spacing: 0;
}

.score-band {
  margin: 0;
  color: var(--coral);
  font-size: 1.15rem;
  font-weight: 800;
}

.score-summary {
  margin: 25px 0 30px;
  color: #d7dce4;
  line-height: 1.55;
}

.signal-bars {
  display: grid;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid rgb(255 255 255 / 0.18);
  border-bottom: 1px solid rgb(255 255 255 / 0.18);
}

.signal-bar {
  display: grid;
  grid-template-columns: 105px 1fr 42px;
  gap: 12px;
  align-items: center;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.signal-bar meter {
  width: 100%;
  height: 8px;
  background: #343e4f;
  border: 0;
}

.signal-bar meter::-webkit-meter-bar {
  height: 8px;
  background: #343e4f;
  border: 0;
  border-radius: 0;
}

.signal-bar meter::-webkit-meter-optimum-value,
.signal-bar meter::-webkit-meter-suboptimum-value,
.signal-bar meter::-webkit-meter-even-less-good-value {
  background: var(--signal);
}

.signal-bar meter::-moz-meter-bar {
  background: var(--signal);
}

.signal-bar strong {
  color: #9ea8b7;
  text-align: right;
}

.priority-section,
.draft-frame {
  padding-top: 34px;
}

.subhead h3 {
  margin: 8px 0 18px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: -0.035em;
}

.priority-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.priority-list li {
  display: grid;
  grid-template-columns: 32px 1fr 42px;
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid rgb(255 255 255 / 0.18);
}

.priority-rank {
  color: var(--coral);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.72rem;
}

.priority-list strong {
  color: var(--signal);
}

.priority-list p {
  margin: 6px 0 0;
  color: #c8ced8;
  font-size: 0.86rem;
  line-height: 1.5;
}

.priority-score {
  color: #9ea8b7;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.68rem;
  text-align: right;
}

.draft-frame dl {
  margin: 0;
  border-top: 1px solid rgb(255 255 255 / 0.18);
}

.draft-frame dl > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgb(255 255 255 / 0.18);
}

.draft-frame dt {
  color: #9ea8b7;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.draft-frame dd {
  margin: 0;
  line-height: 1.45;
}

.draft-frame > p,
.limitation {
  color: #9ea8b7;
  font-size: 0.78rem;
  line-height: 1.5;
}

.result-actions {
  margin-top: 28px;
}

.button-secondary {
  color: var(--white);
  background: transparent;
  border-color: #8b95a4;
}

.copy-status {
  min-height: 20px;
  margin: 0;
  color: var(--signal);
  font-size: 0.8rem;
}

.offer-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  gap: clamp(48px, 8vw, 108px);
  padding: 130px 0;
}

.offer-heading h2 {
  margin-top: 22px;
}

.offer-card {
  align-self: start;
  padding: 36px;
  background: var(--signal);
  border: 1px solid var(--ink);
  box-shadow: 12px 12px 0 var(--ink);
}

.offer-name {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  margin: 0;
  border-bottom: 1px solid var(--ink);
}

.offer-name span {
  white-space: nowrap;
}

.exact-offer {
  margin: 28px 0 34px;
  font-size: 1.04rem;
  line-height: 1.65;
}

.inquiry-row {
  display: grid;
  grid-template-columns: 1fr max-content;
  gap: 28px;
  align-items: end;
  padding-top: 28px;
  border-top: 1px solid var(--ink);
}

.inquiry-row .panel-label {
  color: var(--ink-soft);
}

.inquiry-row p:last-child {
  max-width: 590px;
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.55;
}

.button-inquiry {
  color: var(--white);
  background: var(--ink);
}

.button-inquiry:hover {
  color: var(--ink);
  background: var(--white);
}

.method-section {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  padding: 90px 0 110px;
  border-top: 1px solid var(--ink);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.method-grid article {
  min-height: 245px;
  padding: 24px;
  background: var(--paper-deep);
  border-top: 5px solid var(--ink);
}

.method-grid article:nth-child(2) {
  border-color: var(--coral);
}

.method-grid article:nth-child(3) {
  border-color: var(--signal-dark);
}

.method-grid article > span {
  color: var(--muted);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.method-grid h3 {
  margin: 44px 0 12px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.method-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.noscript-note {
  padding: 16px;
  margin: 28px 0 0;
  color: #7a2119;
  background: #ffe1d9;
  border: 1px solid #b34837;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 38px;
  border-top: 1px solid var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

footer p {
  margin: 0;
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .hero,
  .diagnostic-grid,
  .offer-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-monitor {
    max-width: 620px;
  }

  .empty-result,
  .result-panel {
    position: static;
  }

  .offer-section {
    gap: 42px;
  }

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

  .method-grid article:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .site-header,
  main,
  footer {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .site-header {
    min-height: 76px;
  }

  .privacy-pill {
    max-width: 150px;
    justify-content: flex-end;
    text-align: right;
  }

  .hero {
    padding: 64px 0 82px;
  }

  h1 {
    font-size: clamp(3.4rem, 15vw, 5.8rem);
  }

  .hero-monitor {
    padding: 26px;
    box-shadow: 9px 9px 0 var(--signal);
  }

  .diagnostic-shell {
    padding: 60px 20px 70px;
    box-shadow: 7px 7px 0 var(--ink);
  }

  .diagnostic-intro,
  .method-section {
    grid-template-columns: 1fr;
  }

  .diagnostic-intro {
    padding-bottom: 46px;
  }

  .diagnostic-grid {
    padding-top: 46px;
  }

  .context-grid label {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .choices {
    margin-left: 0;
  }

  .result-panel,
  .empty-result {
    padding: 26px;
  }

  .offer-section {
    padding: 96px 0;
  }

  .offer-card {
    padding: 26px;
    box-shadow: 7px 7px 0 var(--ink);
  }

  .inquiry-row {
    grid-template-columns: 1fr;
  }

  .button-inquiry {
    width: 100%;
  }

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

  .method-grid article {
    min-height: 190px;
  }

  .method-grid h3 {
    margin-top: 30px;
  }
}

@media (max-width: 440px) {
  .brand > span:last-child {
    display: none;
  }

  .privacy-pill {
    font-size: 0.64rem;
  }

  .hero-monitor {
    margin-right: 8px;
  }

  .monitor-list li {
    grid-template-columns: 28px 1fr 50px;
  }

  .question-progress {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .signal-card legend {
    grid-template-columns: 36px 1fr;
    gap: 8px;
  }

  .choices label {
    grid-template-columns: 18px 1fr;
  }

  .choices b {
    grid-column: 2;
  }

  .form-actions .button {
    width: 100%;
  }

  .result-heading {
    align-items: start;
    flex-direction: column;
  }

  .priority-list li {
    grid-template-columns: 27px 1fr;
  }

  .priority-score {
    grid-column: 2;
    text-align: left;
  }

  .draft-frame dl > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .offer-name,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}