.sales-letter {
  --letter-width: 700px;
  --letter-muted: #55565c;
}

.sales-letter :focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
}

.lf-skip {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 30;
  padding: 10px 16px;
  background: #000;
  color: #fff;
  transform: translateY(-150%);
}

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

.lf-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: auto;
  min-height: 76px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas);
}

.lf-header-note { font-size: 0.875rem; color: var(--letter-muted); }
.lf-header-cta { font-size: 0.875rem; font-weight: 500; text-decoration: none; }
.lf-header-cta span { margin-left: 12px; }
.lf-header-cta:hover { text-decoration: underline; text-underline-offset: 4px; }

.lf-hero { padding: 76px 0 0; text-align: center; }
.lf-eyebrow, .lf-section-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.lf-eyebrow { margin: 0 0 30px; color: var(--letter-muted); }
.lf-hero h1 {
  margin: 0 auto;
  max-width: 1000px;
  font-size: clamp(2.75rem, 6.4vw, 4.875rem);
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: 1.06;
  text-wrap: balance;
}
.lf-underline {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: .12em;
  text-decoration-color: #939393;
}
.lf-hero-question {
  margin: 27px 0 20px;
  font-size: clamp(1.6875rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -.035em;
}
.lf-hero-lede {
  max-width: 585px;
  margin: 0 auto 30px;
  color: var(--letter-muted);
  font-size: 1.125rem;
  line-height: 1.65;
}
.lf-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  width: auto;
  max-width: 100%;
  min-height: 54px;
  padding: 16px 26px;
  font-size: 1rem;
  text-decoration: none;
  line-height: 1.4;
}
.lf-cta span { flex-shrink: 0; }
.lf-cta-note { margin: 13px 0 0; font-size: 0.8125rem; color: var(--letter-muted); }
.lf-hero-footer {
  display: flex;
  justify-content: center;
  gap: 38px;
  margin-top: 60px;
  padding: 23px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  color: var(--letter-muted);
  font-size: 0.875rem;
}
.lf-reading { width: min(var(--letter-width), calc(100% - 48px)); margin: 0 auto; }
.lf-letter { padding-top: 65px; scroll-margin-top: 110px; }
.lf-letter p, .lf-ps p { font-size: 1.125rem; line-height: 1.8; margin: 0 0 22px; }
.lf-letter strong { font-weight: 600; }
.lf-byline {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-bottom: 24px;
  margin-bottom: 38px;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.8125rem;
  color: var(--letter-muted);
}
.lf-letter .lf-salutation { font-weight: 500; font-size: 1.375rem; line-height: 1.5; }
.lf-chapter { padding-top: 66px; }
.lf-letter .lf-section-label, .lf-optin .lf-section-label {
  margin: 0 0 17px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--letter-muted);
}
.lf-letter h2, .lf-optin h2 {
  margin: 0 0 28px;
  font-size: clamp(1.8125rem, 3.5vw, 2.625rem);
  font-weight: 500;
  line-height: 1.16;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.lf-letter h3 { font-size: 1.25rem; line-height: 1.4; font-weight: 500; margin: 0 0 10px; letter-spacing: -.02em; }
.lf-prompt {
  margin: 30px 0;
  border-left: 2px solid var(--ink);
  padding: 8px 0 8px 28px;
}
.lf-prompt p { font-size: 1.5625rem; font-weight: 500; line-height: 1.5; letter-spacing: -.025em; }
.lf-prompt footer { font-size: 0.8125rem; color: var(--letter-muted); }
.lf-letter .lf-source { display: inline; font-size: 0.875rem; text-underline-offset: 3px; white-space: normal; }
.lf-question-list { padding-left: 22px; margin: 26px 0; font-size: 1.125rem; line-height: 1.7; }
.lf-question-list li { padding-left: 5px; margin-bottom: 12px; }
.lf-statement { background: var(--ink); color: var(--canvas); margin-top: 70px; padding: 65px 0 70px; }
.lf-statement .lf-section-label { color: #b9b9bb; }
.lf-letter .lf-statement-title { font-size: clamp(2.125rem, 4.5vw, 3.375rem); line-height: 1.12; letter-spacing: -.04em; font-weight: 500; }
.lf-statement p:not(.lf-statement-title):not(.lf-section-label) { color: #d0d0d2; }
.lf-cta-light { margin-top: 8px; background: #fff; color: #000; }
.lf-cta-light:hover { background: #e9e9e9; }
.lf-services { list-style: none; padding: 0; margin: 32px 0 30px; }
.lf-services li { display: grid; grid-template-columns: 34px 1fr; gap: 22px; padding: 26px 0; border-top: 1px solid var(--hairline); }
.lf-services li:last-child { border-bottom: 1px solid var(--hairline); }
.lf-service-number { padding-top: 3px; color: var(--letter-muted); font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.lf-services p { margin: 0; font-size: 1.0625rem; line-height: 1.75; color: var(--letter-muted); }
.lf-note { background: var(--surface); padding: 30px; margin: 32px 0 0; }
.lf-note p { font-size: 1.0625rem; margin-bottom: 20px; }
.lf-text-cta { font-size: 1rem; font-weight: 500; text-underline-offset: 5px; }
.lf-text-cta span { margin-left: 10px; }
.lf-fit-list { padding: 0; margin: 30px 0; list-style: none; }
.lf-fit-list li { position: relative; padding: 0 0 18px 32px; font-size: 1.125rem; line-height: 1.7; }
.lf-fit-list li::before { content: "✓"; position: absolute; top: 0; left: 0; }
.lf-faq details { border-top: 1px solid var(--hairline); }
.lf-faq details:last-child { border-bottom: 1px solid var(--hairline); }
.lf-faq summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 23px 35px 23px 0;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.5;
}
.lf-faq summary::-webkit-details-marker { display: none; }
.lf-faq summary::after { content: "+"; position: absolute; right: 3px; top: 22px; font-size: 1.4375rem; font-weight: 400; }
.lf-faq details[open] summary::after { content: "−"; }
.lf-faq details div { padding-right: 25px; }
.lf-faq details p { font-size: 1.0625rem; color: var(--letter-muted); }
.lf-close { padding-bottom: 52px; }
.lf-letter .lf-signoff { margin-top: 32px; }
.lf-optin { padding: 72px 0; background: var(--surface); scroll-margin-top: 76px; }
.lf-optin-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 85px; }
.lf-optin h2 { font-size: clamp(2rem, 4vw, 2.9375rem); }
.lf-optin-copy > p:not(.lf-section-label) { max-width: 400px; font-size: 1.0625rem; color: var(--letter-muted); line-height: 1.75; }
.lf-next-steps { list-style: none; padding: 0; margin: 32px 0; display: grid; gap: 16px; font-size: 1rem; }
.lf-next-steps span { font-size: 0.8125rem; color: var(--letter-muted); margin-right: 13px; }
.lf-optin-copy .lf-optin-reassurance { padding-top: 23px; border-top: 1px solid #d4d4d4; font-size: 0.875rem; }
.lf-form-card { padding: 34px; border-color: #dedede; box-shadow: none; }
.lf-form-card h3 { margin: 0 0 8px; font-size: 1.5625rem; font-weight: 500; line-height: 1.2; letter-spacing: -.03em; }
.lf-form-intro { margin: 0 0 26px; color: var(--letter-muted); font-size: 1rem; }
.lf-form-card label { margin: 0; }
.lf-form-card .label-text { font-size: 0.875rem; }
.lf-form-card form > input { margin-bottom: 19px; min-height: 48px; }
.lf-phone-fieldset { margin: 0 0 23px; padding: 0; border: 0; min-width: 0; }
.lf-phone-fieldset .phone-row { grid-template-columns: minmax(0, .95fr) minmax(0, 1.2fr); }
.lf-phone-fieldset input, .lf-phone-fieldset select { min-width: 0; min-height: 48px; }
.lf-form-card .btn { min-height: 52px; font-size: 1rem; }
.lf-form-next { text-align: center; font-size: 0.8125rem; margin: 13px 0 23px; color: var(--letter-muted); }
.lf-form-card .fine-print { font-size: 0.8125rem; color: var(--letter-muted); line-height: 1.6; }
.lf-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.lf-ps { padding: 45px 0 50px; }
.lf-ps p { font-size: 1rem; margin: 0; color: var(--letter-muted); }
.sales-letter .site-footer { margin-top: 0; }
.sales-letter .disclaimer { font-size: 0.8125rem; }

@media (max-width: 850px) {
  .lf-header-note { display: none; }
  .lf-optin-grid { gap: 36px; }
  .lf-form-card { padding: 25px; }
  .lf-phone-fieldset .phone-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .sales-letter .wrap, .lf-reading, .sales-letter .site-header .wrap { width: calc(100% - 40px); }
  .lf-header { min-height: 65px; padding: 13px 0; }
  .lf-header-cta { font-size: 0.875rem; }
  .lf-header-cta span { margin-left: 4px; }
  .lf-hero { padding-top: 49px; }
  .lf-eyebrow { max-width: 290px; margin: 0 auto 26px; font-size: 0.75rem; }
  .lf-hero h1 { font-size: clamp(2.375rem, 9.2vw, 3.5625rem); }
  .lf-desktop-break { display: none; }
  .lf-hero-question { margin-top: 24px; }
  .lf-hero-lede { font-size: 1.0625rem; }
  .lf-cta { width: 100%; gap: 13px; padding: 16px 20px; }
  .lf-hero-footer { gap: 12px; margin-top: 40px; padding: 20px 0; font-size: 0.75rem; }
  .lf-hero-footer span { flex: 1; }
  .lf-letter { padding-top: 43px; scroll-margin-top: 90px; }
  .lf-byline { margin-bottom: 28px; }
  .lf-letter p { font-size: 1.0625rem; line-height: 1.8; }
  .lf-letter .lf-salutation { font-size: 1.3125rem; }
  .lf-chapter { padding-top: 44px; }
  .lf-letter h2 { margin-bottom: 23px; }
  .lf-prompt { padding-left: 21px; }
  .lf-prompt p { font-size: 1.375rem; line-height: 1.55; }
  .lf-question-list, .lf-fit-list li { font-size: 1.0625rem; }
  .lf-statement { margin-top: 42px; padding: 44px 0 48px; }
  .lf-statement .lf-statement-title { font-size: 2.25rem; line-height: 1.15; }
  .lf-services li { gap: 14px; grid-template-columns: 27px 1fr; padding: 23px 0; }
  .lf-services h3 { font-size: 1.1875rem; }
  .lf-note { padding: 24px; }
  .lf-faq summary { font-size: 1.0625rem; }
  .lf-close { padding-bottom: 28px; }
  .lf-optin { padding: 46px 0; scroll-margin-top: 65px; }
  .lf-optin-grid { grid-template-columns: 1fr; gap: 22px; }
  .lf-optin-copy h2 br { display: none; }
  .lf-optin-copy h2 { max-width: 400px; text-wrap: initial; }
  .lf-optin-copy > p:not(.lf-section-label) { max-width: none; }
  .lf-form-card { padding: 25px 22px; }
  .lf-phone-fieldset .phone-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  .lf-phone-fieldset select { padding-left: 8px; padding-right: 5px; }
  .lf-phone-fieldset input { padding-left: 10px; }
  .lf-ps { padding: 35px 0 40px; }
}

@media (max-width: 360px) {
  .lf-phone-fieldset .phone-row { grid-template-columns: 1fr; }
  .lf-form-card { padding: 22px 18px; }
}

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