:root {
  --page: #fffdf8;
  --surface: #fffdf8;
  --surface-soft: #f6f1ea;
  --surface-strong: #f1ddd4;
  --ink: #261e1e;
  --ink-soft: #6b615a;
  --line: #d8cdc1;
  --accent: #b45a3c;
  --accent-strong: #8e3f2b;
  --accent-soft: #f1ddd4;
  --slate: #2f3a3f;
  --white: #fffdf8;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(65, 45, 36, 0.1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shell: min(1180px, calc(100% - 40px));
  font-family: "Inter Display", "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: auto; }
body { margin: 0; color: var(--ink); background: var(--page); font-size: 17px; line-height: 1.55; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 50; transform: translateY(-160%); padding: 10px 14px; border-radius: 8px; color: var(--white); background: var(--ink); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(216, 205, 193, 0.85); background: rgba(255, 253, 248, 0.95); backdrop-filter: blur(12px); }
.site-header__inner { height: 72px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.surpass-brand { justify-self: start; }
.surpass-brand img { width: 164px; height: auto; }
.partner-lockup { display: flex; align-items: center; gap: 13px; min-width: 0; }
.partner-lockup span { color: var(--ink-soft); font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; }
.partner-lockup img { width: 126px; height: auto; }
.site-header .button { justify-self: end; }

.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; padding: 0 25px; border: 1px solid transparent; border-radius: 10px; font-size: 16px; font-weight: 780; line-height: 1; text-align: center; text-decoration: none; white-space: nowrap; cursor: pointer; transition: transform 220ms var(--ease-out), background-color 180ms ease, border-color 180ms ease, box-shadow 220ms var(--ease-out); }
.button:hover { transform: translateY(-3px); }
.button:active { transform: translateY(0); }
.button:focus-visible, .treatment-stage__visual:focus-visible, summary:focus-visible, .stories__viewport:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.button--primary { color: #fff; background: var(--accent-strong); box-shadow: 0 12px 28px rgba(142, 63, 43, 0.22); }
.button--primary:hover { background: #743221; box-shadow: 0 15px 32px rgba(116, 50, 33, 0.28); }
.treatment-card--featured .button--primary:hover { background: var(--ink); box-shadow: 0 15px 32px rgba(38, 30, 30, 0.24); }
.button--outline { color: var(--ink); border-color: var(--ink); background: transparent; }
.button--outline:hover { color: var(--white); background: var(--ink); }
.button--header { min-height: 44px; padding-inline: 19px; color: var(--white); background: var(--ink); }

.hero { position: relative; min-height: min(760px, calc(100dvh - 72px)); overflow: hidden; }
.hero__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__image-mobile { display: none; }
.hero__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(246,241,234,0.99) 0%, rgba(246,241,234,0.94) 34%, rgba(246,241,234,0.2) 68%, rgba(246,241,234,0.03) 100%); }
.hero__inner { position: relative; min-height: inherit; display: flex; align-items: center; padding-block: clamp(52px, 7vw, 88px); }
.hero__copy { width: min(720px, 58%); }
.eyebrow { margin: 0 0 18px; color: var(--accent-strong); font-size: 11px; font-weight: 850; letter-spacing: 0.15em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 { margin-top: 0; letter-spacing: -0.035em; }
h1 { max-width: 720px; margin-bottom: 24px; font-size: clamp(48px, 5.25vw, 72px); line-height: 0.98; }
h1 span { display: block; }
h2 { margin-bottom: 20px; font-size: clamp(34px, 4.2vw, 56px); line-height: 1.04; }
h3 { margin-bottom: 12px; font-size: 23px; line-height: 1.13; }
.hero__lede { max-width: 560px; margin: 0 0 30px; color: var(--ink-soft); font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; }
.hero__benefits { display: grid; gap: 9px; margin: 0 0 28px; padding: 0; list-style: none; }
.hero__benefits li { position: relative; padding-left: 27px; color: var(--ink); font-size: 15px; font-weight: 720; }
.hero__benefits li::before { content: "\2713"; position: absolute; top: 0; left: 0; width: 19px; height: 19px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--accent); font-size: 11px; line-height: 1; }
.hero__action { display: grid; justify-items: start; gap: 9px; }
.hero__action small { max-width: 440px; color: var(--ink-soft); font-size: 12px; }
.hero__offer { margin: 18px 0 0; color: var(--ink-soft); font-size: 14px; }

.trust-rail { border-block: 1px solid var(--line); background: var(--surface); }
.trust-rail__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-rail__grid > div { min-height: 96px; display: grid; place-items: center; padding: 20px 24px; border-right: 1px solid var(--line); text-align: center; }
.trust-rail__grid > div:last-child { border-right: 0; }
.trust-rail strong { max-width: 22ch; font-size: 15px; line-height: 1.35; }

.section { padding-block: clamp(78px, 9vw, 128px); }
.lead { color: var(--ink); font-size: clamp(20px, 2vw, 27px); line-height: 1.45; }
.research { overflow: hidden; background: var(--surface); }
.research__intro { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(46px, 8vw, 112px); align-items: end; }
.research__intro h2 { max-width: 690px; margin-bottom: 0; }
.research__intro p:last-child { margin-bottom: 0; color: var(--ink-soft); }
.research__proof { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 56px; }
.research-chart { padding: clamp(28px, 4vw, 48px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-soft); }
.research-chart__heading span { display: block; margin-bottom: 4px; color: var(--ink-soft); font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.research-chart__heading h3 { margin-bottom: 30px; }
.research-bars { display: grid; gap: 14px; }
.research-bar { display: grid; grid-template-columns: 124px 1fr 52px; gap: 13px; align-items: center; }
.research-bar span { color: var(--ink-soft); font-size: 13px; font-weight: 720; }
.research-bar i { height: 12px; overflow: hidden; border-radius: 999px; background: rgba(47,58,63,0.1); }
.research-bar b { width: 100%; height: 100%; display: block; border-radius: inherit; background: var(--slate); transform: scaleX(0.05); transform-origin: left center; transition: transform 900ms var(--ease-out); }
.research__proof.is-in-view .research-bar b { transform: scaleX(var(--bar)); }
.research-bar strong { font-size: 13px; font-variant-numeric: tabular-nums; }
.research-bar--focus span, .research-bar--focus strong { color: var(--accent-strong); }
.research-bar--focus b { background: var(--accent); }
.research-chart--dark { border-color: var(--slate); color: var(--white); background: var(--slate); }
.research-chart--dark .research-chart__heading span,
.research-chart--dark .research-bar span { color: rgba(255, 253, 248, 0.72); }
.research-chart--dark .research-bar i { background: rgba(255, 253, 248, 0.14); }
.research-chart--dark .research-bar b { background: rgba(255, 253, 248, 0.58); }
.research-chart--dark .research-bar--focus span,
.research-chart--dark .research-bar--focus strong { color: var(--white); }
.research-chart--dark .research-bar--focus b { background: var(--accent-soft); }
.research__takeaway { display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; margin-top: 18px; padding: 22px 26px; border-left: 4px solid var(--accent); background: var(--surface-soft); }
.research__takeaway strong { color: var(--accent-strong); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; }
.research__takeaway p { max-width: 76ch; margin: 0; }
.research__sources { max-width: 100ch; margin: 18px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.55; }
.research__sources a { text-underline-offset: 3px; }

.family-story { position: relative; min-height: 720px; overflow: hidden; }
.family-story > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.family-story__inner { position: relative; min-height: inherit; display: flex; align-items: center; justify-content: flex-end; padding-block: 70px; }
.family-story__panel { width: min(540px, 46%); padding: clamp(34px, 4vw, 56px); border-radius: var(--radius); background: rgba(255,253,248,0.95); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.family-story__panel .bridge-label { margin: 0 0 14px; color: var(--accent-strong); font-size: 12px; font-weight: 850; letter-spacing: 0.1em; text-transform: uppercase; }
.family-story__panel h2 { font-size: clamp(36px, 4vw, 52px); }
.family-story__panel p:last-child { margin-bottom: 0; color: var(--ink-soft); font-size: 18px; }

.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading > p:not(.eyebrow) { max-width: 620px; margin-bottom: 0; color: var(--ink-soft); font-size: 18px; }
.treatment-stage { display: grid; grid-template-columns: 0.92fr 1.18fr 0.92fr; gap: 18px; align-items: stretch; }
.treatment-card { position: relative; min-height: 560px; display: flex; flex-direction: column; padding: 34px 30px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.treatment-card--featured { border: 2px solid var(--accent-strong); }
.popular-flag { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); padding: 7px 14px; border-radius: 4px; color: #fff; background: var(--accent-strong); font-size: 10px; font-weight: 900; letter-spacing: 0.11em; text-transform: uppercase; white-space: nowrap; }
.treatment-card__top { min-height: 94px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.treatment-card__top h3 { margin-bottom: 4px; }
.treatment-card__top span { color: var(--ink-soft); font-size: 12px; }
.treatment-card__price { padding: 22px 0 18px; }
.treatment-card__price > span { display: block; color: var(--ink-soft); font-size: 12px; font-weight: 760; }
.treatment-card__price strong { display: block; margin-top: 4px; font-size: 54px; letter-spacing: -0.04em; line-height: 1; }
.treatment-card__price sup { margin-right: 2px; font-size: 24px; vertical-align: 19px; }
.treatment-card__price small { margin-left: 5px; color: var(--ink-soft); font-size: 13px; font-weight: 760; letter-spacing: 0; }
.treatment-card ul { display: grid; gap: 9px; margin: 0 0 18px; padding: 0; list-style: none; }
.treatment-card li { position: relative; padding-left: 21px; font-size: 13px; }
.treatment-card li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent-strong); font-weight: 900; }
.treatment-card .button { width: 100%; margin-top: auto; }
.treatment-stage__visual { position: relative; min-height: 560px; overflow: hidden; border-radius: var(--radius); background: var(--surface-soft); }
.treatment-stage__visual img { width: 100%; height: 100%; object-fit: cover; object-position: 88% center; }
.treatment-benefits { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 22px; border-block: 1px solid var(--line); }
.treatment-benefit { min-height: 116px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 18px; border-right: 1px solid var(--line); text-align: center; }
.treatment-benefit:last-child { border-right: 0; }
.treatment-benefit > span { flex: 0 0 24px; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--accent); font-size: 13px; font-weight: 900; }
.treatment-benefit strong { max-width: 20ch; font-size: 14px; line-height: 1.35; }

.care-path { padding-block: clamp(70px, 8vw, 100px); color: var(--white); background: var(--slate); }
.care-path h2 { max-width: 680px; }
.care-path__summary { display: none; }
.care-path__rail { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 50px; border-top: 1px solid rgba(255,255,255,0.22); }
.care-path article { padding: 34px 34px 8px 0; }
.care-path article + article { padding-left: 34px; border-left: 1px solid rgba(255,255,255,0.22); }
.care-path article > span { display: inline-grid; width: 34px; height: 34px; place-items: center; margin-bottom: 28px; border: 1px solid rgba(255,255,255,0.4); border-radius: 50%; font-weight: 800; }
.care-path h3 { color: var(--white); }
.care-path p { color: rgba(255,254,250,0.72); }

.offer { padding-block: 56px; background: var(--accent-soft); }
.offer__inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.offer__inner > div > span { color: var(--accent-strong); font-size: 12px; font-weight: 850; letter-spacing: 0.11em; text-transform: uppercase; }
.offer h2 { margin: 5px 0 7px; font-size: clamp(30px, 3.6vw, 48px); }
.offer p { margin: 0; color: var(--ink-soft); }

.stories { overflow: hidden; padding-bottom: clamp(48px, 6vw, 80px); }
.stories__track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.story { min-height: 270px; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 14px 36px rgba(65,45,36,0.06); }
.story blockquote { margin: 0; font-size: 20px; font-weight: 650; line-height: 1.48; }
.story footer { display: flex; align-items: center; gap: 14px; margin-top: 28px; }
.story footer > div { display: grid; gap: 3px; }
.story__avatar { flex: 0 0 62px; width: 62px; height: 62px; border-radius: 50%; background-image: url("images/testimonial-portraits.webp"); background-size: 300% 100%; background-repeat: no-repeat; box-shadow: 0 0 0 1px var(--line); }
.story__avatar--one { background-position: left center; }
.story__avatar--two { background-position: center center; }
.story__avatar--three { background-position: right center; }
.story footer strong { font-size: 14px; }
.story__status { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); font-size: 12px; }
.story__status i { width: 18px; height: 18px; display: inline-grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--accent); font-size: 10px; font-style: normal; }
.stories__hint { display: none; }
.stories__disclosure { margin-top: 18px; color: var(--ink-soft); font-size: 12px; }

.faq { background: var(--surface); }
.faq__grid { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(52px, 8vw, 108px); align-items: start; }
.faq__intro { position: sticky; top: 112px; }
.faq__intro p { color: var(--ink-soft); font-size: 18px; }
.faq__intro .button { margin-top: 16px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 26px 46px 26px 0; font-size: 18px; font-weight: 760; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 22px; right: 4px; color: var(--accent-strong); font-size: 28px; font-weight: 500; transform-origin: center; transition: transform 240ms var(--ease-out), color 180ms ease; }
.faq-list details[open] summary::after { color: var(--ink); transform: rotate(45deg); }
.faq-list details p { max-width: 64ch; margin-top: -5px; padding: 0 46px 24px 0; color: var(--ink-soft); }

.closing { position: relative; min-height: 700px; overflow: hidden; }
.closing > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.closing__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(38,30,30,0.94) 0%, rgba(38,30,30,0.78) 34%, rgba(38,30,30,0.08) 69%); }
.closing__inner { position: relative; min-height: inherit; display: flex; align-items: center; padding-block: 70px; }
.closing__copy { width: min(560px, 50%); color: var(--white); }
.closing__prelude { margin: 0 0 14px; color: rgba(255,254,250,0.86); font-size: 17px; font-weight: 680; }
.closing__copy > p:not(.closing__prelude) { max-width: 52ch; color: rgba(255,254,250,0.76); font-size: 18px; }
.closing__copy .button { margin-top: 15px; }
.closing__microcopy { display: block; margin-top: 12px; color: rgba(255,254,250,0.74); font-size: 12px; }

.site-footer { padding-top: 46px; color: var(--ink); background: var(--surface-soft); }
.footer-trust { padding-bottom: 38px; border-bottom: 1px solid var(--line); }
.footer-trust__grid { min-height: 190px; display: grid; grid-template-columns: repeat(5, 1fr); align-items: center; gap: 34px; padding-block: 24px; }
.footer-trust img { width: min(110px, 100%); max-height: 115px; justify-self: center; object-fit: contain; filter: saturate(0.55); }
.footer__brand-row { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 38px; }
.footer__brand-row > a img { width: 160px; }
.partner-lockup--footer img { width: 126px; }
.footer__disclosures { display: grid; gap: 12px; padding-block: 30px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 11px; }
.footer__disclosures p { margin: 0; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 26px 94px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; }
.footer__bottom p { margin: 0; }
.footer__bottom nav { display: flex; gap: 20px; }
.footer__bottom a { text-underline-offset: 4px; }

.mobile-bar { display: none; }
[data-reveal] { transform: translateY(14px); filter: saturate(0.88); transition: transform 680ms var(--ease-out), filter 680ms var(--ease-out); }
[data-reveal].is-in-view { transform: translateY(0); filter: saturate(1); }

/* Partnership overview */
.partnership-page { padding-bottom: 0; }
.partnership-hero { padding-block: clamp(54px, 7vw, 96px); background: var(--surface-soft); }
.partnership-hero__grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr); gap: clamp(44px, 7vw, 96px); align-items: center; }
.partnership-hero__copy h1 { max-width: 680px; margin-bottom: 26px; }
.partnership-hero__copy > p:not(.eyebrow) { max-width: 630px; margin: 0; color: var(--ink-soft); font-size: clamp(18px, 1.7vw, 22px); line-height: 1.5; }
.partnership-hero__copy .partnership-hero__support { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink); font-size: 15px; font-weight: 680; }
.partnership-hero__visual { position: relative; min-height: 570px; margin: 0; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.partnership-hero__visual::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,0.32); border-radius: inherit; pointer-events: none; }
.partnership-hero__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.partnership-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 34px; }
.partnership-text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-strong); font-weight: 780; text-decoration-thickness: 1px; text-underline-offset: 5px; transition: gap 180ms ease, color 180ms ease; }
.partnership-text-link:hover { gap: 12px; color: #743221; }
.partnership-text-link--light { color: var(--accent-soft); }
.partnership-text-link--light:hover { color: var(--white); }
.partnership-kicker { margin: 0 0 14px; color: var(--accent-strong); font-size: 12px; font-weight: 850; letter-spacing: 0.13em; text-transform: uppercase; }
.partner-profile { padding-block: clamp(72px, 9vw, 124px); }
.partner-profile--abound { background: var(--surface); }
.partner-profile--surpass { color: var(--white); background: var(--slate); }
.partner-profile__grid { display: grid; grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.28fr); gap: clamp(46px, 8vw, 118px); align-items: start; }
.partner-profile__identity { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; }
.partner-profile__identity > img { width: 180px; height: auto; }
.partner-profile__logo-panel { width: 228px; display: flex; align-items: center; padding: 16px 18px; border-radius: 10px; background: var(--surface); }
.partner-profile__logo-panel img { width: 192px; height: auto; }
.partner-profile__copy { padding-top: 3px; }
.partner-profile__copy h2 { max-width: 720px; margin-bottom: 22px; }
.partner-profile__copy p { max-width: 64ch; margin: 0 0 26px; color: var(--ink-soft); font-size: clamp(17px, 1.55vw, 20px); line-height: 1.6; }
.partner-profile--surpass .partnership-kicker { color: var(--accent-soft); }
.partner-profile--surpass .partner-profile__copy p { color: rgba(255,253,248,0.76); }
.partnership-footer { padding-top: 0; }
.partnership-footer__disclosure { padding-block: 23px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; }
.partnership-footer__disclosure p { margin: 0; }
.partnership-footer .footer__bottom { padding-bottom: 30px; }
.partnership-footer .footer__bottom nav { flex-wrap: wrap; }

@media (prefers-reduced-motion: no-preference) {
  .hero__image, .family-story > img, .closing > img { animation: ambient-scale 18s ease-in-out infinite alternate; }
  .hero__copy > * { animation: hero-rise 720ms var(--ease-out) both; }
  .hero__copy > :nth-child(1) { animation-delay: 60ms; }
  .hero__copy > :nth-child(2) { animation-delay: 120ms; }
  .hero__copy > :nth-child(3) { animation-delay: 190ms; }
  .hero__copy > :nth-child(4) { animation-delay: 260ms; }
  .hero__copy > :nth-child(5) { animation-delay: 330ms; }
  .hero__copy > :nth-child(6) { animation-delay: 400ms; }
  .trust-rail__grid > div { animation: rail-rise 620ms var(--ease-out) both; }
  .trust-rail__grid > div:nth-child(2) { animation-delay: 70ms; }
  .trust-rail__grid > div:nth-child(3) { animation-delay: 140ms; }
  .trust-rail__grid > div:nth-child(4) { animation-delay: 210ms; }
  .research__proof.is-in-view .research-chart:first-child { animation: card-arrive-left 640ms var(--ease-out) backwards; }
  .research__proof.is-in-view .research-chart:last-child { animation: card-arrive-right 640ms var(--ease-out) 90ms backwards; }
  .research__proof .research-bar:nth-child(1) b { transition-delay: 150ms; }
  .research__proof .research-bar:nth-child(2) b { transition-delay: 200ms; }
  .research__proof .research-bar:nth-child(3) b { transition-delay: 250ms; }
  .research__proof .research-bar:nth-child(4) b { transition-delay: 300ms; }
  .research__proof .research-bar:nth-child(5) b { transition-delay: 350ms; }
  .care-path__rail.is-in-view article,
  .faq-list.is-in-view details { animation: item-rise 560ms var(--ease-out) backwards; }
  .care-path__rail.is-in-view article:nth-child(2),
  .faq-list.is-in-view details:nth-child(2) { animation-delay: 80ms; }
  .care-path__rail.is-in-view article:nth-child(3),
  .faq-list.is-in-view details:nth-child(3) { animation-delay: 160ms; }
  .faq-list.is-in-view details:nth-child(4) { animation-delay: 240ms; }
  .faq-list.is-in-view details:nth-child(5) { animation-delay: 320ms; }
  .faq-list.is-in-view details:nth-child(6) { animation-delay: 400ms; }
  .faq-list.is-in-view details:nth-child(7) { animation-delay: 480ms; }
  .treatment-stage.is-in-view .treatment-card:first-child,
  .stories__track.is-in-view .story:first-child { animation: card-arrive-left 680ms var(--ease-out) backwards; }
  .treatment-stage.is-in-view .treatment-card:last-child,
  .stories__track.is-in-view .story:last-child { animation: card-arrive-right 680ms var(--ease-out) backwards; }
  .treatment-benefits.is-in-view .treatment-benefit { animation: item-rise 560ms var(--ease-out) backwards; }
  .treatment-benefits.is-in-view .treatment-benefit:nth-child(2) { animation-delay: 80ms; }
  .treatment-benefits.is-in-view .treatment-benefit:nth-child(3) { animation-delay: 160ms; }
  .treatment-benefits.is-in-view .treatment-benefit:nth-child(4) { animation-delay: 240ms; }
  .stories__track.is-in-view .story:nth-child(2) { animation: item-rise 680ms var(--ease-out) 90ms backwards; }
  .offer__inner.is-in-view .button { animation: offer-pop 520ms var(--ease-out) 140ms backwards; }
  .faq-list details[open] p { animation: faq-answer 260ms var(--ease-out) both; }
  .mobile-bar { animation: mobile-bar-enter 520ms var(--ease-out) 240ms backwards; }
  @keyframes ambient-scale { from { transform: scale(1); } to { transform: scale(1.025); } }
  @keyframes hero-rise { from { opacity: 0.72; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes rail-rise { from { opacity: 0.75; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes item-rise { from { opacity: 0.76; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes card-arrive-left { from { opacity: 0.76; transform: translateX(-14px); } to { opacity: 1; transform: translateX(0); } }
  @keyframes card-arrive-right { from { opacity: 0.76; transform: translateX(14px); } to { opacity: 1; transform: translateX(0); } }
  @keyframes offer-pop { from { opacity: 0.78; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }
  @keyframes faq-answer { from { opacity: 0.65; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes mobile-bar-enter { from { opacity: 0.76; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
}

@media (hover: hover) and (pointer: fine) {
  .treatment-card, .story { transition: transform 260ms var(--ease-out), border-color 220ms ease, box-shadow 260ms var(--ease-out); }
  .treatment-card:hover { transform: translateY(-5px); border-color: rgba(180,90,60,0.55); box-shadow: 0 6px 8px rgba(65,45,36,0.08); }
  .story:hover { transform: translateY(-4px); border-color: rgba(180,90,60,0.45); box-shadow: 0 6px 8px rgba(65,45,36,0.08); }
}

@media (max-width: 980px) {
  .site-header__inner { grid-template-columns: 1fr auto 1fr; }
  .partner-lockup { justify-content: center; }
  .hero { min-height: 690px; }
  .hero__copy { width: 62%; }
  .trust-rail__grid { grid-template-columns: repeat(2, 1fr); }
  .trust-rail__grid > div:nth-child(2) { border-right: 0; }
  .trust-rail__grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .research__intro { grid-template-columns: 1fr; gap: 28px; }
  .research__proof { grid-template-columns: 1fr; }
  .family-story__panel { width: min(500px, 56%); }
  .treatment-stage { grid-template-columns: 1fr 1fr; }
  .treatment-stage__visual { grid-column: 1 / -1; grid-row: 1; min-height: 400px; }
  .offer__inner .button { justify-self: end; }
  .partnership-hero__grid { grid-template-columns: 1fr; gap: 38px; }
  .partnership-hero__visual { min-height: 0; aspect-ratio: 16 / 10; }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 30px, 660px); }
  body { padding-bottom: 76px; }
  .site-header { position: relative; padding-bottom: 0; }
  .site-header__inner { height: 80px; grid-template-columns: 1fr auto; gap: 12px; }
  .surpass-brand img { width: 142px; }
  .site-header .button { display: none; }
  .partner-lockup { position: static; grid-column: auto; grid-row: auto; height: auto; display: grid; justify-items: end; align-content: center; gap: 2px; transform: none; overflow: visible; }
  .partner-lockup span { display: block; font-size: 7px; line-height: 1.2; }
  .partner-lockup img { width: 94px; }
  .hero { min-height: 0; display: block; background: var(--surface-soft); }
  .hero__image { display: none; }
  .hero__image-mobile { width: calc(100% + 30px); max-width: none; height: min(calc(100vw / 1.1), 520px); display: block; margin: 2px -15px 27px; object-fit: cover; object-position: 70% center; animation: hero-mobile-image-enter 760ms 230ms var(--ease-out) both; }
  .hero__shade { display: none; }
  .hero__inner { min-height: 0; display: block; padding-block: 44px 42px; }
  .hero__copy { width: 100%; }
  h1 { max-width: 560px; margin-bottom: 20px; font-size: clamp(42px, 10.5vw, 56px); line-height: 1; }
  h1 span { display: inline; }
  h1 span + span::before { content: " "; }
  h2 { font-size: clamp(34px, 10vw, 48px); }
  .hero .eyebrow { margin-bottom: 14px; }
  .hero__lede { max-width: 520px; margin-bottom: 24px; font-size: 17px; }
  .hero__benefits { max-width: 100%; gap: 8px; margin-bottom: 24px; }
  .hero__benefits li { padding-right: 4px; font-size: 14px; line-height: 1.35; overflow-wrap: anywhere; }
  .hero__action { justify-items: stretch; }
  .hero__action .button { width: 100%; }
  .hero__action small { line-height: 1.45; }
  .hero__offer { margin-top: 16px; line-height: 1.45; }
  .button { min-height: 50px; padding-inline: 20px; }
  .trust-rail__grid { grid-template-columns: 1fr 1fr; }
  .trust-rail__grid > div { min-height: 104px; padding: 18px 14px; }
  .section { padding-block: 60px; }
  .stories { padding-bottom: 42px; }
  .research__proof { margin-top: 30px; }
  .research-chart { padding: 22px 18px; }
  .research-chart__heading h3 { margin-bottom: 22px; }
  .research-bars { gap: 11px; }
  .research-bar { grid-template-columns: 100px 1fr 44px; gap: 9px; }
  .research-bar span { font-size: 11px; }
  .research__takeaway { grid-template-columns: 1fr; gap: 8px; }
  .research__sources { margin-top: 14px; }
  .family-story { min-height: 660px; }
  .family-story > img { object-position: 36% center; }
  .family-story__inner { align-items: flex-end; padding-bottom: 18px; }
  .family-story__panel { width: 100%; padding: 26px 22px; }
  .section-heading { margin-bottom: 36px; }
  .treatment-stage { grid-template-columns: 1fr; }
  .treatment-stage__visual { grid-column: auto; min-height: 280px; }
  .treatment-card { min-height: 440px; padding: 28px 24px 24px; }
  .treatment-benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .treatment-benefit { min-height: 88px; padding: 12px 9px; }
  .treatment-benefit:nth-child(2) { border-right: 0; }
  .treatment-benefit:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .care-path { padding-block: 44px; }
  .care-path h2 { margin-bottom: 14px; font-size: 36px; }
  .care-path__summary { display: block; max-width: 52ch; margin: 0; color: rgba(255,254,250,0.72); font-size: 14px; line-height: 1.5; }
  .care-path__rail { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 22px; }
  .care-path article, .care-path article + article { min-width: 0; padding: 20px 10px 0; border-left: 0; border-right: 1px solid rgba(255,255,255,0.18); border-bottom: 0; }
  .care-path article:first-child { padding-left: 0; }
  .care-path article:last-child { padding-right: 0; border-right: 0; }
  .care-path article > span { width: 30px; height: 30px; margin-bottom: 12px; font-size: 13px; }
  .care-path h3 { margin-bottom: 0; font-size: 15px; line-height: 1.22; }
  .care-path article p { display: none; }
  .offer__inner { grid-template-columns: 1fr; }
  .offer { padding-block: 44px; }
  .offer__inner .button { grid-column: auto; width: 100%; }
  .stories__viewport { width: calc(100% + 15px); overflow-x: auto; overscroll-behavior-inline: contain; padding: 4px 15px 16px 0; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .stories__viewport::-webkit-scrollbar { display: none; }
  .stories__track { width: max-content; display: flex; gap: 12px; }
  .story { flex: 0 0 min(83vw, 330px); min-height: 240px; padding: 22px 21px; scroll-snap-align: start; }
  .story footer { margin-top: 20px; }
  .stories__hint { display: flex; justify-content: flex-end; gap: 8px; margin: 2px 0 0; color: var(--accent-strong); font-size: 12px; font-weight: 800; }
  .faq__grid { grid-template-columns: 1fr; gap: 34px; }
  .faq__intro { position: static; }
  .faq-list summary { padding-block: 21px; }
  .faq-list summary::after { top: 17px; }
  .closing { min-height: 560px; }
  .closing > img { object-position: right center; }
  .closing__shade { background: linear-gradient(180deg, rgba(38,30,30,0.05) 0%, rgba(38,30,30,0.32) 44%, rgba(38,30,30,0.96) 78%); }
  .closing__inner { align-items: flex-end; padding-bottom: 56px; }
  .closing__copy { width: 100%; }
  .site-footer { padding-top: 36px; }
  .footer-trust { padding-bottom: 24px; }
  .footer-trust__grid { min-height: 0; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px 8px; padding-block: 18px; }
  .footer-trust img { width: 82px; max-height: 90px; }
  .footer-trust img { grid-column: span 2; }
  .footer-trust img:nth-child(4) { grid-column: 2 / span 2; }
  .footer-trust img:nth-child(5) { grid-column: 4 / span 2; }
  .footer__brand-row { align-items: center; justify-content: center; gap: clamp(24px, 8vw, 48px); }
  .footer__brand-row > a, .partner-lockup--footer { min-height: 56px; display: flex; align-items: center; }
  .footer__brand-row { padding-block: 28px; }
  .footer__brand-row > a img { width: 142px; }
  .partner-lockup--footer { justify-content: flex-end; }
  .partner-lockup--footer img { width: 112px; }
  .partner-lockup--footer span { display: none; }
  .footer__bottom { align-items: flex-start; flex-direction: column; padding-bottom: 100px; }
  .footer__bottom nav { flex-wrap: wrap; row-gap: 10px; }
  .mobile-bar { position: fixed; right: 0; bottom: 0; left: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: color-mix(in srgb, var(--page) 95%, transparent); backdrop-filter: blur(16px); }
  .mobile-bar > span { min-width: 0; display: grid; }
  .mobile-bar strong { max-width: 150px; font-size: 12px; line-height: 1.2; white-space: normal; }
  .mobile-bar small { color: var(--ink-soft); font-size: 11px; }
  .mobile-bar .button { min-height: 48px; padding-inline: 18px; }
  .partnership-page { padding-bottom: 0; }
  .partnership-hero { padding-block: 42px 52px; }
  .partnership-hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .partnership-hero__copy h1 { font-size: clamp(42px, 11vw, 54px); }
  .partnership-hero__copy > p:not(.eyebrow) { font-size: 17px; }
  .partnership-actions { align-items: stretch; flex-direction: column; gap: 17px; margin-top: 28px; }
  .partnership-actions .button { width: 100%; }
  .partnership-hero__visual { min-height: 0; aspect-ratio: 4 / 3; }
  .partner-profile { padding-block: 58px; }
  .partner-profile__grid { grid-template-columns: 1fr; gap: 30px; }
  .partner-profile__identity { min-height: 0; gap: 24px; }
  .partner-profile__copy h2 { margin-bottom: 18px; }
  .partner-profile__copy p { font-size: 17px; }
  .partnership-footer .footer__bottom { padding-bottom: 30px; }
  .partnership-footer .footer__bottom nav { row-gap: 10px; }
}

@media (max-width: 720px) and (prefers-reduced-motion: no-preference) {
  .treatment-stage.is-in-view .treatment-card:first-child,
  .treatment-stage.is-in-view .treatment-card:last-child { animation-name: item-rise; }
}

@keyframes hero-mobile-image-enter {
  from { opacity: 0.72; transform: scale(1.025); clip-path: inset(0 0 12% 0); }
  to { opacity: 1; transform: scale(1); clip-path: inset(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  * { transition-delay: 0ms !important; }
  [data-reveal] { transform: none; filter: none; }
  .research-bar b { transform: scaleX(var(--bar)); }
}

@media (prefers-reduced-motion: no-preference) {
  .partnership-hero__copy > * { animation: hero-rise 720ms var(--ease-out) both; }
  .partnership-hero__copy > :nth-child(2) { animation-delay: 70ms; }
  .partnership-hero__copy > :nth-child(3) { animation-delay: 140ms; }
  .partnership-hero__copy > :nth-child(4) { animation-delay: 210ms; }
  .partnership-hero__visual { animation: item-rise 780ms var(--ease-out) 120ms backwards; }
}
