/* Readable type at every screen size, keeping the original visual identity. */
:root { --copy-size: 18px; --detail-size: 16px; --label-size: 12px; }
body { font-size: var(--copy-size); }
h2 { font-size: 46px; }
.eyebrow, .hero .eyebrow, .offer-copy > .eyebrow,
.offer-card .eyebrow, .purchase-dialog .eyebrow {
  font-size: var(--label-size);
  line-height: 1.7;
  letter-spacing: 1.35px;
}
.nav nav { font-size: 15px; gap: 28px; }
.button, .hero-actions .button, .purchase-button, .purchase-dialog .button {
  font-size: 16px;
  min-height: 56px;
  padding: 17px 22px;
  max-width: 100%;
  gap: 18px;
}
.button > span { flex-shrink: 0; }
.button-small { font-size: 14px; min-height: 46px; padding: 12px 17px; }
.text-link, .hero-actions .text-link, .footer .text-link { font-size: 15px; }
.hero { padding-block: 70px; gap: 30px; }
.hero-description { font-size: 20px; line-height: 1.75; max-width: 530px; }
.hero-product { font-size: 18px; line-height: 1.75; max-width: 520px; }
.hero-note { font-size: 13px; line-height: 1.8; }
.hero-actions { gap: 22px; }
.floating-note { font-size: 13px; }
.art-caption { font-size: 10px; letter-spacing: 1px; }
.facts { padding-block: 30px; }
.facts strong { font-size: 44px; }
.facts span { font-size: 15px; line-height: 1.6; }
.starting-point { gap: 70px; }
.starting-point h2 { font-size: 42px; }
.starting-copy, .takeaway p, .section-heading > p,
.inside-copy > p:not(.eyebrow),
.routine-intro > p:not(.eyebrow),
.prompt-layout > div:first-child > p:not(.eyebrow),
.fit-section > div > p:not(.eyebrow),
.offer-copy > p:not(.eyebrow) {
  font-size: var(--copy-size);
  line-height: 1.8;
  max-width: 540px;
}
.section-heading > p { max-width: 390px; }
.method-grid { gap: 27px; }
.method-item { display: grid; grid-template-rows: auto auto 1fr auto; padding-right: 0; }
.method-item h3 { font-size: 23px; }
.method-item > p { font-size: var(--detail-size); min-height: 0; line-height: 1.8; }
.evidence { font-size: 15px; line-height: 1.8; }
.evidence > span { font-size: 11px; letter-spacing: 1px; }
.inside { gap: 65px; }
.inside-preview { align-self: center; }
.preview-label { font-size: 11px; letter-spacing: .5px; gap: 4px; }
.preview-label > span:last-child { white-space: nowrap; }
.page-preview > span { font-size: 14px; padding: 10px 16px; }
.contents li { grid-template-columns: 53px 1fr; padding-block: 20px; }
.contents li > span { font-size: 13px; }
.contents h3 { font-size: 18px; line-height: 1.5; }
.contents p { font-size: var(--detail-size); line-height: 1.8; }
.routine-layout { gap: 70px; }
.routine-intro h2 { font-size: 46px; }
.tabs button { font-size: 16px; min-height: 48px; }
.routine-intro .routine-footnote { font-size: 14px; line-height: 1.8; max-width: 440px; }
.routine-card { padding: 30px; }
.routine-card-top > span { font-size: 12px; letter-spacing: .9px; }
.routine-card-top small { font-size: 15px; }
#routine-steps li { gap: 20px; padding-block: 20px; }
.step-time { min-width: 63px; font-size: 29px; }
.step-time small { font-size: 12px; }
.routine-card h3 { font-size: 16px; line-height: 1.5; margin-bottom: 5px; }
.routine-card p { font-size: 15px; line-height: 1.75; }
.routine-source { font-size: 11px; letter-spacing: .7px; gap: 16px; }
.checkpoints { gap: 22px; }
.checkpoints p { font-size: 12px; }
.checkpoints h3 { font-size: 17px; line-height: 1.5; }
.checkpoints article > span:last-child { font-size: var(--detail-size); line-height: 1.8; }
.progress-note { font-size: 15px; max-width: 960px; line-height: 1.8; }
.prompt-layout { gap: 65px; }
.prompt-layout > div:first-child > p.small { font-size: 16px; }
.prompt-title { flex-wrap: wrap; }
.prompt-title > span { font-size: 11px; letter-spacing: .7px; }
.prompt-title button { font-size: 13px; min-height: 42px; padding-inline: 12px; }
.prompt-card > p#prompt-text { font-size: 17px; line-height: 1.95; }
.prompt-caption { font-size: 11px; letter-spacing: .7px; }
.copy-status { font-size: 14px; line-height: 1.7; }
.fit-section { gap: 70px; }
.fit-section h2 { font-size: 42px; }
.fit-list li { font-size: 17px; line-height: 1.8; padding-block: 20px; }
.fit-list li > span { flex-basis: 27px; height: 27px; font-size: 16px; }
.offer-layout { gap: 75px; }
.offer-copy h2 { font-size: 47px; }
.offer-mini strong { font-size: 19px; }
.offer-mini div > span { font-size: 16px; }
.offer-card { padding: 35px; }
.offer-card h3 { font-size: 23px; }
.price-detail { font-size: 15px; }
.offer-card li { font-size: 16px; line-height: 1.75; margin-bottom: 13px; }
.availability { font-size: 13px; line-height: 1.75; }
.offer-detail { font-size: 14px; line-height: 1.8; }
.faq-section { grid-template-columns: .8fr 1.2fr; gap: 60px; }
.faq-section h2 { font-size: 42px; }
.faq-list summary { font-size: 18px; line-height: 1.6; padding-block: 24px; }
.faq-list details p { font-size: 17px; line-height: 1.85; max-width: none; }
.footer-top > p { font-size: 14px; }
.footer-bottom p { font-size: 12px; }
.purchase-dialog { width: min(560px, calc(100% - 32px)); }
.purchase-dialog p:not(.eyebrow) { font-size: 17px; line-height: 1.8; }

/* Calls to action follow the promise of the section above them. */
.section-cta { display: flex; justify-content: space-between; align-items: center; gap: 32px; margin-top: 48px; padding-top: 32px; border-top: 1px solid #cfd7ca; }
.section-cta > p { margin: 0; font-size: 18px; line-height: 1.8; }
.section-cta > p strong { color: var(--ink); }
.cta-action { display: flex; flex-direction: column; align-items: center; gap: 12px; flex-shrink: 0; max-width: 100%; }
.cta-action > span { display: block; font-size: 13px; line-height: 1.8; text-align: center; color: var(--body); }
.inline-cta { margin-top: 30px; }
.inline-cta > p { font-size: 14px; line-height: 1.8; margin: 12px 0 0; }
.routine-intro .inline-cta { margin-top: 29px; }
.routine-intro .inline-cta > p { color: #c1c9dc; }
.final-cta { background: #f1e2c5; padding-block: 65px; border-top: 1px solid #e2d3b5; }
.final-cta-layout { display: flex; justify-content: space-between; align-items: center; gap: 55px; }
.final-cta h2 { font-size: 40px; margin-bottom: 18px; }
.final-cta-layout > div:first-child { max-width: 650px; }
.final-cta-layout > div > p:not(.eyebrow) { font-size: 18px; line-height: 1.8; margin-bottom: 0; }

/* Compact product overview: reveal detail without shrinking the reading size. */
.inside {
  grid-template-columns: minmax(250px, .75fr) minmax(0, 1.25fr);
  gap: 56px;
  padding-block: 40px;
}
.inside-preview { width: 100%; max-width: 320px; justify-self: center; padding: 20px; }
.inside .preview-label { margin-bottom: 14px; font-size: 10px; }
.inside-copy > .eyebrow { margin-bottom: 10px; }
.inside-copy h2 { font-size: 36px; line-height: 1.18; letter-spacing: -1.2px; margin-bottom: 14px; max-width: 600px; }
.inside-copy > p:not(.eyebrow) { font-size: 16px; line-height: 1.65; margin-bottom: 14px; max-width: 610px; }
.inside .contents { margin-top: 0; }
.inside .contents li { display: block; padding: 0; }
.inside .contents li:last-child { border-bottom: 1px solid var(--line); }
.contents summary { display: grid; grid-template-columns: 50px minmax(0, 1fr) 20px; gap: 13px; align-items: center; list-style: none; cursor: pointer; padding-block: 12px; min-height: 48px; }
.contents summary::-webkit-details-marker { display: none; }
.contents summary:hover h3 { color: #a34348; }
.contents summary h3 { font-size: 17px; line-height: 1.45; margin: 0; letter-spacing: -.2px; }
.page-range { font-size: 12px; color: #6f7b8e; white-space: nowrap; }
.contents-toggle { font-size: 23px; line-height: 1; text-align: center; font-weight: 400; transition: transform .2s; }
.contents details[open] .contents-toggle { transform: rotate(45deg); }
.inside .contents details > p { font-size: 16px; line-height: 1.7; margin: 0; padding: 0 33px 14px 63px; }
.inside .inline-cta { margin-top: 20px; }
.inside .inline-cta > p { margin-top: 8px; font-size: 13px; }

@media (min-width: 1000px) and (max-height: 800px) {
  .inside { padding-block: 24px; gap: 40px; }
  .inside-preview { max-width: 280px; padding: 16px; }
  .inside-copy h2 { font-size: 32px; margin-bottom: 10px; }
  .inside-copy > .eyebrow { margin-bottom: 8px; }
  .inside-copy > p:not(.eyebrow) { margin-bottom: 10px; }
  .contents summary { padding-block: 9px; min-height: 44px; }
  .inside .inline-cta { margin-top: 16px; }
  .inside .inline-cta > .button { min-height: 50px; padding-block: 14px; }
}

@media (min-width: 761px) and (max-width: 1050px) {
  .hero h1 { font-size: 51px; }
  .hero-art { height: 540px; }
  .hero-description { font-size: 18px; }
  .hero-product { font-size: 17px; }
  .hero-art .floating-note { font-size: 11px; }
  .facts > div { gap: 12px; padding-inline: 8px; }
  .facts strong { font-size: 36px; }
  .facts span { font-size: 13px; }
  .method-grid { grid-template-columns: 1fr 1fr; gap: 35px; }
  .inside, .prompt-layout, .routine-layout, .offer-layout { gap: 38px; }
  .contents li { grid-template-columns: 43px 1fr; gap: 12px; }
  .contents h3 { font-size: 17px; }
  .routine-card { padding: 24px; transform: none; }
  #routine-steps li { gap: 12px; }
  .routine-card-top > span { font-size: 11px; }
  .checkpoints { grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .checkpoints::before { display: none; }
  .fit-section { gap: 40px; }
  .offer-card { padding: 27px; }
  .faq-section { grid-template-columns: 1fr 1.4fr; gap: 35px; }
  .final-cta-layout { gap: 30px; }
}

@media (max-width: 760px) {
  :root { --copy-size: 17px; --label-size: 11px; }
  .nav { height: 76px; }
  .button, .hero-actions .button, .purchase-button, .purchase-dialog .button { font-size: 16px; gap: 14px; padding: 17px 18px; }
  .button-small { font-size: 13px; padding: 12px 14px; gap: 12px; }
  .hero { gap: 12px; padding-block: 42px 30px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: 1px; }
  .hero-description { font-size: 18px; }
  .hero-product { font-size: 17px; }
  .hero-actions { gap: 20px; }
  .hero-actions .button { width: 100%; justify-content: space-between; }
  .hero-actions .text-link { font-size: 15px; }
  .hero-note { font-size: 12px; }
  .hero-art { margin-top: 15px; }
  .orbit-one { max-width: 92%; }
  .floating-note { font-size: 12px; }
  .art-caption { font-size: 9px; letter-spacing: .7px; }
  .facts { padding-block: 6px; }
  .facts > div { gap: 10px; padding: 22px 6px; }
  .facts strong { font-size: 34px; min-width: 42px; }
  .facts span { font-size: 13px; }
  .starting-point { gap: 27px; }
  .starting-point h2 { font-size: 34px; }
  .section-heading > p { font-size: 17px; }
  .method-grid { grid-template-columns: 1fr; gap: 30px; }
  .method-item { grid-template-columns: 68px 1fr; column-gap: 20px; grid-template-rows: auto auto auto; }
  .method-letter { grid-row: 1 / 4; grid-column: 1; margin-bottom: 0; }
  .method-item h3, .method-item > p, .method-item .evidence { grid-column: 2; }
  .method-item h3 { font-size: 22px; margin-bottom: 10px; }
  .method-item > p { font-size: 16px; margin-bottom: 18px; }
  .evidence { font-size: 15px; }
  .inside { grid-template-columns: 1fr; gap: 30px; padding-block: 48px; }
  .inside-copy h2 { font-size: 32px; }
  .contents li { grid-template-columns: 46px 1fr; gap: 13px; }
  .contents h3 { font-size: 17px; }
  .contents p { font-size: 16px; }
  .contents li > span { font-size: 12px; }
  .contents summary { grid-template-columns: 43px minmax(0, 1fr) 18px; gap: 10px; padding-block: 14px; }
  .contents summary h3 { font-size: 17px; }
  .inside .contents details > p { padding: 0 0 16px 53px; }
  .inside .inline-cta { margin-top: 22px; }
  .preview-label { font-size: 10px; flex-wrap: wrap; }
  .inside-preview { padding: 16px; max-width: 270px; transform: none; }
  .routine-layout { gap: 38px; }
  .routine-intro h2 { font-size: 38px; }
  .routine-intro .routine-footnote { font-size: 14px; max-width: 100%; }
  .tabs button { padding: 11px 21px; font-size: 16px; }
  .routine-card { width: 100%; padding: 25px 20px; transform: none; }
  .routine-card-top > span { font-size: 11px; }
  .routine-card-top > strong { font-size: 43px; }
  #routine-steps li { gap: 15px; }
  .step-time { min-width: 58px; }
  .routine-card h3 { font-size: 16px; }
  .routine-card p { font-size: 15px; }
  .routine-source { font-size: 10px; }
  .checkpoints { gap: 0; }
  .checkpoints article { grid-template-columns: 24px 48px 1fr; gap: 0 10px; padding-bottom: 32px; }
  .checkpoints h3 { font-size: 17px; }
  .checkpoints article > span:last-child { font-size: 16px; }
  .checkpoints p { font-size: 11px; }
  .progress-note { font-size: 14px; }
  .prompt-layout { gap: 25px; }
  .prompt-card { padding: 22px 20px; }
  .prompt-title { gap: 14px; }
  .prompt-title > span { font-size: 10px; }
  .prompt-title button { font-size: 13px; }
  .prompt-card > p#prompt-text { font-size: 16px; }
  .prompt-caption { font-size: 10px; letter-spacing: .4px; }
  .fit-section { gap: 28px; }
  .fit-section h2 { font-size: 35px; }
  .fit-list li { font-size: 16px; gap: 13px; }
  .offer-layout { gap: 40px; }
  .offer-copy h2 { font-size: 39px; }
  .offer-card { padding: 28px 23px; }
  .offer-card .eyebrow { font-size: 10px; }
  .offer-card h3 { font-size: 22px; }
  .offer-card li { font-size: 16px; }
  .offer-mini strong { font-size: 18px; }
  .offer-mini div > span { font-size: 15px; }
  .offer-mini img { width: 75px; }
  .availability { font-size: 13px; }
  .offer-detail { font-size: 14px; }
  .faq-section { grid-template-columns: 1fr; gap: 15px; }
  .faq-section h2 { font-size: 34px; }
  .faq-list summary { font-size: 17px; }
  .faq-list details p { font-size: 16px; }
  .footer-top > p { font-size: 14px; }
  .footer .text-link { font-size: 13px; }
  .footer-bottom p { font-size: 11px; }
  .purchase-dialog p:not(.eyebrow) { font-size: 17px; }
  .purchase-dialog .button { font-size: 15px; }
  .section-cta { flex-direction: column; align-items: stretch; gap: 24px; margin-top: 34px; padding-top: 26px; }
  .section-cta > p { font-size: 17px; }
  .cta-action { width: 100%; align-items: stretch; }
  .cta-action > .button { width: 100%; justify-content: space-between; }
  .cta-action > span { font-size: 13px; }
  .inline-cta > .button { width: 100%; justify-content: space-between; }
  .inline-cta > p { font-size: 14px; }
  .final-cta { padding-block: 50px; }
  .final-cta-layout { flex-direction: column; align-items: stretch; gap: 30px; }
  .final-cta h2 { font-size: 34px; }
  .final-cta-layout > div > p:not(.eyebrow) { font-size: 17px; }
}