*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  scroll-behavior: auto;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button,
a,
summary,
input {
  -webkit-tap-highlight-color: var(--color-transparent);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.offer-band :focus-visible {
  outline-color: var(--color-focus-on-dark);
}

.shell {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--content-width));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  z-index: var(--z-sticky);
  inset-block-start: var(--space-4);
  inset-inline-start: var(--page-gutter);
  padding: var(--space-2) var(--space-4);
  transform: translateY(-180%);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 600;
  text-decoration: none;
}

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

.wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.95;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 72px;
  border-bottom: var(--rule-hair) solid var(--color-rule-strong);
}

.site-nav nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

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

.site-nav nav a:active,
.wordmark:active {
  color: var(--color-accent-deep);
}

.disclosure {
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
}

.disclosure__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 40px;
  padding-block: var(--space-2);
  font-size: var(--text-sm);
}

.disclosure__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 1.75rem;
  padding-inline: var(--space-2);
  border: var(--rule-hair) solid currentColor;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.kicker {
  margin: 0 0 var(--space-4);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

.hero {
  display: grid;
  gap: var(--space-12);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24)) clamp(var(--space-20), 12vw, var(--space-32));
}

.hero__copy {
  min-width: 0;
}

.hero h1,
.section-intro h2,
.reading-note h2,
.offer-band h2,
.foot-letter__line {
  overflow-wrap: anywhere;
  min-width: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: var(--text-display);
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.hero h1 span,
.hero h1 strong {
  display: block;
}

.hero h1 strong {
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}

.hero__lede {
  max-width: 58ch;
  margin: var(--space-8) 0 0;
  color: var(--color-ink-2);
  font-size: clamp(var(--text-md), 1.2vw + 0.8rem, var(--text-lg));
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-6);
  margin-block-start: var(--space-8);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  color: var(--color-accent-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-rule-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
  white-space: nowrap;
}

.text-link:hover {
  color: var(--color-accent);
  text-decoration-color: currentColor;
}

.hero__jump,
.affiliate-cta,
.affiliate-asset a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  max-width: 100%;
  padding: var(--space-3) var(--space-5);
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-accent-deep);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.affiliate-asset {
  display: block;
  min-width: 0;
  max-width: 100%;
}

.affiliate-asset a {
  display: flex;
  min-width: 0;
  overflow: visible;
  white-space: normal;
}

.affiliate-asset img {
  display: block;
  max-width: 100%;
  height: auto;
}

.affiliate-asset a:not(:has(> img)) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.affiliate-cta:hover,
.affiliate-asset a:hover {
  background: var(--color-accent-deep);
  color: var(--color-accent-ink);
}

.hero__jump:hover {
  border-color: var(--color-accent-deep);
  background: var(--color-accent-deep);
  color: var(--color-accent-ink);
}

.hero__jump:active,
.text-link:active,
.faq-list summary:active {
  color: var(--color-accent-deep);
}

.affiliate-cta:active,
.affiliate-asset a:active {
  transform: translateY(1px);
}

.affiliate-cta[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.hero__fineprint {
  max-width: 58ch;
  margin: var(--space-4) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.hero-art {
  min-width: 0;
  margin: 0;
}

.hero-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.hero-art figcaption {
  margin-block-start: var(--space-3);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.affiliate-page-content {
  border-block: var(--rule-hair) solid var(--color-rule);
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
}

.affiliate-page-content h2,
.affiliate-page-content h3 {
  overflow-wrap: anywhere;
  min-width: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  line-height: 1.15;
}

.affiliate-page-content h2 {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  letter-spacing: -0.025em;
}

.affiliate-page-content > p {
  max-width: 62ch;
  margin: var(--space-4) 0 0;
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.affiliate-page-content dl {
  display: grid;
  max-width: 62ch;
  margin: var(--space-8) 0 0;
}

.affiliate-page-content dl > div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.35fr) minmax(0, 1fr);
  gap: var(--space-4);
  border-top: var(--rule-hair) solid var(--color-rule);
  padding-block: var(--space-3);
}

.affiliate-page-content dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.affiliate-page-content dd {
  margin: 0;
}

.affiliate-page-content h3 {
  margin: var(--space-10) 0 var(--space-3);
  font-size: var(--text-lg);
}

.affiliate-page-content ul {
  display: grid;
  gap: var(--space-2);
  max-width: 62ch;
  margin: 0;
  padding-inline-start: 1.25rem;
}

.affiliate-page-content__section,
.affiliate-page-content__criteria {
  max-width: 62ch;
  border-top: var(--rule-hair) solid var(--color-rule);
  margin-block-start: var(--space-8);
  padding-block-start: var(--space-4);
}

.affiliate-page-content__section h3,
.affiliate-page-content__criteria h3 {
  margin: 0;
  font-size: var(--text-md);
}

.affiliate-page-content__section p {
  margin: var(--space-2) 0 0;
}

.reading-note {
  background: var(--color-paper-2);
}

.reading-note__inner {
  display: grid;
  gap: var(--space-8);
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
}

.reading-note h2,
.section-intro h2,
.offer-band h2 {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.reading-note__body {
  max-width: 62ch;
}

.reading-note__body > p {
  margin: 0;
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.reading-note__list {
  display: grid;
  margin: var(--space-8) 0 0;
}

.reading-note__list > div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.35fr) minmax(0, 1fr);
  gap: var(--space-4);
  border-top: var(--rule-hair) solid var(--color-rule-strong);
  padding-block: var(--space-3);
}

.reading-note__list dt {
  font-weight: 700;
}

.reading-note__list dd {
  margin: 0;
  color: var(--color-muted);
}

.workflow,
.checklist,
.faq {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.section-intro {
  max-width: 58ch;
}

.section-intro > p:last-child {
  margin: var(--space-4) 0 0;
  color: var(--color-muted);
}

.section-intro--wide {
  max-width: 66ch;
}

.workflow-list {
  display: grid;
  gap: 0;
  margin: var(--space-12) 0 0;
  padding: 0;
  list-style: none;
}

.workflow-step {
  display: grid;
  grid-template-columns: minmax(4.5rem, 0.25fr) minmax(0, 1fr);
  gap: var(--space-6);
  border-top: var(--rule-hair) solid var(--color-rule-strong);
  padding-block: var(--space-8);
}

.workflow-step:last-child {
  border-bottom: var(--rule-hair) solid var(--color-rule-strong);
}

.workflow-step__number {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  line-height: 1;
}

.workflow-step h3 {
  overflow-wrap: anywhere;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: normal;
  font-weight: 600;
  line-height: 1.1;
}

.workflow-step p {
  max-width: 58ch;
  margin: var(--space-3) 0 0;
  color: var(--color-ink-2);
}

.workflow-step .text-link {
  margin-block-start: var(--space-3);
}

.compare-band {
  background: var(--color-paper-2);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.compare-table-wrap {
  margin-block-start: var(--space-10);
  overflow-x: auto;
  border-block: var(--rule-hair) solid var(--color-rule-strong);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.compare-table th,
.compare-table td {
  padding: var(--space-4) var(--space-3);
  text-align: start;
  vertical-align: top;
}

.compare-table th {
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.compare-table td {
  border-top: var(--rule-hair) solid var(--color-rule);
}

.compare-table td:first-child {
  color: var(--color-accent-deep);
  font-weight: 700;
}

.cell-note {
  display: block;
  margin-block-start: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.checklist__surface {
  margin-block-start: var(--space-10);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
  padding-block: var(--space-6);
}

.checklist__head,
.checklist__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.checklist__head {
  padding-block-end: var(--space-4);
}

.checklist__head p,
.checklist__head strong {
  margin: 0;
  font-size: var(--text-sm);
}

.checklist__head strong {
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.check-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  border-top: var(--rule-hair) solid var(--color-rule);
  padding-block: var(--space-4);
}

.check-list input {
  width: 1.25rem;
  height: 1.25rem;
  margin: var(--space-1) 0 0;
  accent-color: var(--color-accent);
}

.check-list input:hover {
  accent-color: var(--color-accent-deep);
}

.check-list input:active {
  transform: translateY(1px);
}

.check-list input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.check-list label {
  display: grid;
  gap: var(--space-1);
  cursor: pointer;
}

.check-list label strong {
  font-weight: 700;
}

.check-list label span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.check-list input:checked + label strong {
  color: var(--color-success);
}

.checklist__foot {
  flex-wrap: wrap;
  padding-block-start: var(--space-5);
}

.checklist__foot p {
  flex: 1 1 16rem;
  min-height: 1lh;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.progress {
  flex: 1 1 8rem;
  height: 0.25rem;
  overflow: hidden;
  background: var(--color-rule);
}

.progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--color-accent);
}

.button {
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.button:hover {
  background: var(--color-accent-deep);
}

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

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.button[data-state="loading"] {
  cursor: wait;
  opacity: 0.75;
}

.button[data-state="error"] {
  border-color: var(--color-error);
  background: var(--color-error-soft);
  color: var(--color-error);
}

.button[data-state="success"] {
  border-color: var(--color-success);
  background: var(--color-success-soft);
  color: var(--color-success);
}

.offer-band {
  background: var(--color-ink);
  color: var(--color-paper);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.offer-band__inner {
  display: grid;
  gap: var(--space-10);
}

.offer-band .kicker {
  color: var(--color-accent-soft);
}

.offer-band h2 {
  color: var(--color-paper);
}

.offer-band__copy > p:last-child {
  max-width: 56ch;
  margin: var(--space-4) 0 0;
  color: var(--color-paper-3);
}

.offer-band__surface {
  min-width: 0;
  border-block: var(--rule-hair) solid var(--color-rule-strong);
  padding-block: var(--space-5);
}

.offer-band__surface > .affiliate-asset {
  max-width: min(100%, 32rem);
}

.affiliate-offer-list {
  display: grid;
  gap: 0;
}

.affiliate-offer-card {
  border-top: var(--rule-hair) solid var(--color-rule-strong);
  padding-block: var(--space-4);
}

.affiliate-offer-card:first-child {
  border-top: 0;
}

.affiliate-offer-card h4 {
  margin: 0;
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  font-weight: 600;
}

.affiliate-offer-card p,
.offer-band__note {
  margin: var(--space-2) 0 0;
  color: var(--color-paper-2);
  font-size: var(--text-sm);
}

.offer-band .text-link {
  margin-block-start: var(--space-5);
  color: var(--color-accent-soft);
  text-decoration-color: var(--color-rule-strong);
}

.faq-list {
  margin-block-start: var(--space-10);
  border-top: var(--rule-hair) solid var(--color-rule-strong);
}

.faq-list details {
  border-bottom: var(--rule-hair) solid var(--color-rule);
  padding-block: var(--space-4);
}

.faq-list summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  flex: 0 0 auto;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list summary:hover {
  color: var(--color-accent);
}

.faq-list details p {
  max-width: 62ch;
  margin: var(--space-3) 0 var(--space-2);
  color: var(--color-muted);
}

.foot-letter {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-8);
}

.foot-letter__line {
  max-width: 28ch;
  margin: 0;
  color: var(--color-ink);
  font-size: clamp(var(--text-2xl), 5vw, var(--text-3xl));
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.foot-letter__signoff {
  max-width: 32ch;
  margin: var(--space-5) 0 0;
  color: var(--color-muted);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.35;
}

.foot-letter__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: var(--space-4);
  margin-block-start: var(--space-8);
  border-top: var(--rule-hair) solid var(--color-rule-strong);
  padding-block-start: var(--space-3);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.foot-letter__meta .wordmark {
  color: var(--color-ink);
  font-size: var(--text-lg);
}

.foot-letter__meta a {
  font-weight: 700;
  white-space: nowrap;
}

@media (min-width: 40rem) {
  .foot-letter__meta {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--space-16);
  }

  .reading-note__inner,
  .offer-band__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-16);
  }

  .reading-note__lead,
  .offer-band__copy {
    align-self: start;
  }

  .checklist__surface {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 60rem) {
  .hero {
    padding-block: var(--space-12) var(--space-16);
  }

  .hero h1 {
    max-width: 16ch;
    font-size: clamp(3rem, 4vw + 1rem, 5rem);
  }

  .hero h1 span,
  .hero h1 strong {
    display: inline;
  }

  .hero__actions {
    flex-wrap: nowrap;
  }

  .workflow-list {
    margin-inline-start: 15%;
  }

  .workflow-step {
    grid-template-columns: minmax(6rem, 0.3fr) minmax(0, 1fr);
    gap: var(--space-10);
  }

  .reading-note__inner,
  .offer-band__inner {
    gap: var(--space-24);
  }
}

@media (min-width: 90rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.48fr);
    gap: var(--space-24);
  }
}

@media (pointer: coarse) {
  .site-nav nav a,
  .text-link,
  .button,
  .affiliate-cta,
  .affiliate-asset a,
  .faq-list summary {
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0ms !important;
  }
}