:root {
  --hf-ink: #102a24;
  --hf-deep: #0a1d19;
  --hf-moss: #607a68;
  --hf-sage: #a9b8a4;
  --hf-mist: #dbe3dc;
  --hf-paper: #f3f1e9;
  --hf-warm: #ddd3c2;
  --hf-line: rgba(16, 42, 36, 0.18);
}

html { scroll-behavior: smooth; }
.hf-page { background: var(--hf-paper); color: var(--hf-ink); }
.hf-page * { box-sizing: border-box; }
.hf-page .skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 12px 18px; background: #fff; color: var(--hf-ink); }
.hf-page .skip-link:focus { top: 16px; }
.hf-page .section-shell { width: min(100% - 96px, 1320px); margin-inline: auto; }
.hf-page .site-header { position: absolute; left: 0; right: 0; color: #fff; border-bottom-color: rgba(255,255,255,.18); }
.hf-page .site-header .brand-wordmark { filter: brightness(0) invert(1); }
.hf-page .site-header a { color: inherit; }
.hf-page .site-header .header-contact { border-color: rgba(255,255,255,.5); }
.hf-page .eyebrow { margin: 0 0 22px; font-size: 11px; line-height: 1.3; letter-spacing: .22em; text-transform: uppercase; }
.hf-page .eyebrow.light { color: rgba(255,255,255,.68); }
.hf-page .section-kicker { display: flex; align-items: center; gap: 22px; margin-bottom: 74px; }
.hf-page .section-kicker span { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 11px; }
.hf-page .section-kicker p { margin: 0; font-size: 10px; letter-spacing: .24em; }

.hf-hero { position: relative; min-height: 960px; overflow: hidden; background: var(--hf-deep); color: #fff; }
.hf-hero-media { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,26,22,.97) 0%, rgba(8,26,22,.86) 38%, rgba(8,26,22,.28) 72%, rgba(8,26,22,.1) 100%), linear-gradient(0deg, rgba(8,26,22,.48), transparent 54%), url('/images/utheon-health-hero-dawn.png') center 42%/cover no-repeat; transform: scale(1.03); }
.hf-hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 72% 43%, rgba(186,211,194,.18), transparent 28%), linear-gradient(120deg, transparent 62%, rgba(255,255,255,.08)); pointer-events: none; }
.hf-hero-orbit { position: absolute; z-index: 1; width: min(55vw, 760px); aspect-ratio: 1; right: -6vw; top: 13%; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; }
.hf-hero-orbit::before, .hf-hero-orbit::after, .hf-hero-orbit i { content: ''; position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.16); }
.hf-hero-orbit::before { inset: 12%; }
.hf-hero-orbit::after { inset: 28%; }
.hf-hero-orbit i:nth-child(1) { width: 10px; height: 10px; border: 0; background: #d7e0d7; top: 17%; left: 17%; box-shadow: 0 0 30px rgba(255,255,255,.8); }
.hf-hero-orbit i:nth-child(2) { width: 6px; height: 6px; border: 0; background: #fff; right: 12%; top: 52%; }
.hf-hero-orbit i:nth-child(3) { width: 14px; height: 14px; border-color: rgba(255,255,255,.5); left: 25%; bottom: 14%; }
.hf-hero-content { position: relative; z-index: 2; min-height: 960px; padding-top: 180px; padding-bottom: 74px; display: flex; flex-direction: column; justify-content: space-between; }
.hf-hero-copy { max-width: 770px; }
.hf-code { width: 360px; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.34); color: rgba(255,255,255,.72); font-size: 9px; letter-spacing: .17em; }
.hf-hero h1 { margin: 30px 0 26px; font-family: Georgia, 'Noto Serif SC', serif; font-weight: 400; font-size: clamp(72px, 8.4vw, 132px); line-height: .92; letter-spacing: -.045em; }
.hf-hero h1 span { color: var(--hf-sage); font-style: italic; }
.hf-hero-intro { max-width: 590px; margin: 0 0 28px; color: rgba(255,255,255,.82); font-size: 17px; line-height: 1.9; }
.hero-link { display: inline-flex; align-items: center; gap: 70px; min-width: 260px; padding: 17px 0; border-top: 1px solid rgba(255,255,255,.5); border-bottom: 1px solid rgba(255,255,255,.5); color: #fff; font-size: 13px; text-decoration: none; }
.hero-link span { margin-left: auto; font-size: 20px; }
.hf-hero-note { align-self: flex-end; max-width: 390px; margin: 0; padding-left: 40px; border-left: 1px solid rgba(255,255,255,.32); color: rgba(255,255,255,.58); font-size: 11px; line-height: 1.8; }

.hf-status { background: var(--hf-deep); color: #fff; }
.status-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.status-grid article { min-height: 250px; padding: 42px 30px 36px; border-left: 1px solid rgba(255,255,255,.16); }
.status-grid article:last-child { border-right: 1px solid rgba(255,255,255,.16); }
.status-grid article > span { display: block; margin-bottom: 42px; color: var(--hf-sage); font: italic 28px Georgia, serif; }
.status-grid small { color: rgba(255,255,255,.45); font-size: 9px; letter-spacing: .2em; }
.status-grid h2 { margin: 12px 0 10px; font: 400 20px/1.45 Georgia, 'Noto Serif SC', serif; }
.status-grid p { margin: 0; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.75; }

.hf-intro, .mechanism-section, .journey-section, .faq-section { padding-block: 130px; }
.hf-intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 10vw; align-items: start; }
.hf-intro h2, .mechanism-copy h2, .journey-heading h2, .faq-grid h2, .management-grid h2, .evidence-grid h2, .hf-contact h2 { margin: 0; font: 400 clamp(44px, 5vw, 76px)/1.25 Georgia, 'Noto Serif SC', serif; letter-spacing: -.035em; }
.hf-intro-copy p { margin: 0 0 26px; font-size: 17px; line-height: 2; }
.boundary-note { display: grid; grid-template-columns: 260px 1fr; gap: 46px; margin-top: 92px; padding: 30px 0; border-top: 1px solid var(--hf-line); border-bottom: 1px solid var(--hf-line); }
.boundary-note span { font-size: 10px; letter-spacing: .2em; }
.boundary-note p { margin: 0; max-width: 850px; color: rgba(16,42,36,.72); font-size: 13px; line-height: 1.85; }

.hf-science { padding-block: 130px; background: var(--hf-ink); color: #fff; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 11vw; align-items: end; margin-bottom: 88px; }
.section-heading h2 { margin: 0; font: 400 clamp(42px, 4.8vw, 72px)/1.28 Georgia, 'Noto Serif SC', serif; letter-spacing: -.035em; }
.section-heading > p { margin: 0 0 8px; color: rgba(255,255,255,.65); font-size: 15px; line-height: 1.9; }
.science-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.science-grid article { min-height: 315px; padding: 34px 38px 42px 0; border-right: 1px solid rgba(255,255,255,.16); }
.science-grid article + article { padding-left: 38px; }
.science-grid article:last-child { border-right: 0; }
.science-grid span { color: var(--hf-sage); font-size: 9px; letter-spacing: .18em; }
.science-grid h3 { margin: 125px 0 16px; font: 400 28px Georgia, 'Noto Serif SC', serif; }
.science-grid p { margin: 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.85; }

.mechanism-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; }
.mechanism-copy > p:not(.eyebrow):not(.mechanism-caution) { margin: 34px 0; font-size: 16px; line-height: 1.95; }
.mechanism-caution { margin-top: 42px; padding-top: 26px; border-top: 1px solid var(--hf-line); color: rgba(16,42,36,.65); font-size: 12px; line-height: 1.85; }
.mechanism-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--hf-line); }
.mechanism-list li { display: grid; grid-template-columns: 64px 1fr; gap: 20px; min-height: 178px; padding: 30px 0; border-bottom: 1px solid var(--hf-line); }
.mechanism-list li > span { color: var(--hf-moss); font: italic 28px Georgia, serif; }
.mechanism-list h3 { margin: 0 0 14px; font: 400 25px Georgia, 'Noto Serif SC', serif; }
.mechanism-list p { margin: 0; color: rgba(16,42,36,.66); font-size: 13px; line-height: 1.85; }

.evidence-section { padding-block: 110px; background: #55695d; color: #fff; }
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.evidence-grid > div:last-child p { margin: 0 0 24px; color: rgba(255,255,255,.76); font-size: 15px; line-height: 1.95; }

.assessment-section { padding-block: 130px; background: #e5e1d6; }
.dark-text > p { color: rgba(16,42,36,.68); }
.eligibility-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.eligibility-card { min-height: 530px; padding: 42px 48px 50px; border: 1px solid var(--hf-line); background: rgba(255,255,255,.35); }
.eligibility-card.caution { background: var(--hf-ink); color: #fff; }
.card-label { font-size: 10px; letter-spacing: .16em; }
.eligibility-card h3 { margin: 88px 0 34px; font: 400 35px Georgia, 'Noto Serif SC', serif; }
.eligibility-card ul { margin: 0; padding: 0; list-style: none; }
.eligibility-card li { position: relative; padding: 15px 0 15px 24px; border-top: 1px solid var(--hf-line); font-size: 14px; line-height: 1.65; }
.eligibility-card li::before { content: '·'; position: absolute; left: 3px; }
.eligibility-card.caution li { border-color: rgba(255,255,255,.16); color: rgba(255,255,255,.74); }
.eligibility-footnote { max-width: 820px; margin: 34px 0 0 auto; color: rgba(16,42,36,.6); font-size: 12px; line-height: 1.8; }

.journey-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 11vw; align-items: end; margin-bottom: 78px; }
.journey-heading p { margin: 0 0 8px; color: rgba(16,42,36,.65); font-size: 15px; line-height: 1.9; }
.journey-list { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--hf-line); }
.journey-list li { min-height: 285px; padding: 28px 34px 35px 0; border-right: 1px solid var(--hf-line); border-bottom: 1px solid var(--hf-line); }
.journey-list li:nth-child(3n+2), .journey-list li:nth-child(3n+3) { padding-left: 34px; }
.journey-list li:nth-child(3n) { border-right: 0; }
.journey-list > li > span { color: var(--hf-moss); font: italic 27px Georgia, serif; }
.journey-list li div { margin-top: 62px; }
.journey-list small { color: rgba(16,42,36,.47); font-size: 8px; letter-spacing: .17em; }
.journey-list h3 { margin: 10px 0 12px; font: 400 25px Georgia, 'Noto Serif SC', serif; }
.journey-list p { margin: 0; color: rgba(16,42,36,.65); font-size: 13px; line-height: 1.78; }

.management-section { padding-block: 125px; background: var(--hf-warm); }
.management-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; }
.management-grid > div:first-child > p:last-child { max-width: 520px; margin-top: 38px; font-size: 15px; line-height: 1.95; }
.management-list { display: grid; grid-template-columns: 1fr 1fr; }
.management-list article { min-height: 230px; padding: 28px 32px; border-left: 1px solid var(--hf-line); border-top: 1px solid var(--hf-line); }
.management-list article:last-child { grid-column: 1 / -1; min-height: 195px; }
.management-list span { color: var(--hf-moss); font: italic 22px Georgia, serif; }
.management-list h3 { margin: 65px 0 10px; font: 400 21px Georgia, 'Noto Serif SC', serif; }
.management-list p { margin: 0; color: rgba(16,42,36,.62); font-size: 12px; line-height: 1.75; }

.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 10vw; }
.faq-list { border-top: 1px solid var(--hf-line); }
.faq-list details { border-bottom: 1px solid var(--hf-line); }
.faq-list summary { position: relative; padding: 30px 54px 30px 0; list-style: none; cursor: pointer; font-size: 17px; line-height: 1.55; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 4px; top: 26px; font: 300 25px Georgia, serif; }
.faq-list details[open] summary::after { content: '–'; }
.faq-list details p { margin: -4px 0 28px; padding-right: 70px; color: rgba(16,42,36,.64); font-size: 14px; line-height: 1.9; }

.hf-contact { padding-block: 130px; background: var(--hf-ink); color: #fff; }
.hf-contact-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; }
.hf-contact-row > a { min-width: 360px; display: flex; justify-content: space-between; align-items: center; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.45); border-bottom: 1px solid rgba(255,255,255,.45); color: #fff; text-decoration: none; }
.hf-contact-row > a span { font-size: 15px; }
.hf-contact-row > a b { font: 400 28px Georgia, serif; }

@media (max-width: 1100px) {
  .hf-page .section-shell { width: min(100% - 56px, 1120px); }
  .status-grid { grid-template-columns: 1fr 1fr; }
  .status-grid article:nth-child(3), .status-grid article:nth-child(4) { border-top: 1px solid rgba(255,255,255,.16); }
  .status-grid article:nth-child(3) { border-right: 0; }
  .journey-list { grid-template-columns: 1fr 1fr; }
  .journey-list li, .journey-list li:nth-child(3n+2), .journey-list li:nth-child(3n+3) { padding-inline: 28px; border-right: 1px solid var(--hf-line); }
  .journey-list li:nth-child(odd) { padding-left: 0; }
  .journey-list li:nth-child(even) { border-right: 0; }
}

@media (max-width: 760px) {
  .hf-page .section-shell { width: min(100% - 40px, 680px); }
  .hf-page .site-header { position: absolute; }
  .hf-page .site-header .header-contact { display: none; }
  .hf-page #overview, .hf-page #science, .hf-page #assessment, .hf-page #journey, .hf-page #faq { scroll-margin-top: 72px; }
  .hf-hero, .hf-hero-content { min-height: 100svh; }
  .hf-hero-media { background-position: 66% center; }
  .hf-hero::after { background: linear-gradient(0deg, rgba(8,26,22,.96) 4%, rgba(8,26,22,.69) 58%, rgba(8,26,22,.28)); }
  .hf-hero-orbit { width: 90vw; right: -34vw; top: 15%; opacity: .68; }
  .hf-hero-content { justify-content: flex-end; padding: 104px 20px max(52px, env(safe-area-inset-bottom)); }
  .hf-code { width: min(100%, 310px); font-size: 8px; line-height: 1.6; }
  .hf-hero h1 { margin-top: 24px; font-size: clamp(54px, 16vw, 74px); line-height: .98; }
  .hf-hero-intro { max-width: 355px; margin-top: 20px; font-size: 15px; line-height: 1.78; }
  .hero-link { min-width: 0; width: 100%; margin-top: 4px; }
  .hf-hero-note { display: none; }
  .status-grid { grid-template-columns: 1fr; }
  .status-grid article, .status-grid article:last-child { min-height: 150px; padding: 24px 0; border: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .status-grid article > span { float: left; width: 52px; margin: 0; font-size: 23px; }
  .status-grid small, .status-grid h2, .status-grid p { margin-left: 66px; }
  .status-grid h2 { margin-top: 10px; }
  .hf-intro, .mechanism-section, .journey-section, .faq-section { padding-block: 78px; }
  .hf-page .section-kicker { margin-bottom: 44px; }
  .hf-intro-grid, .mechanism-grid, .evidence-grid, .section-heading, .journey-heading, .management-grid, .faq-grid { grid-template-columns: 1fr; gap: 38px; }
  .hf-intro h2, .mechanism-copy h2, .journey-heading h2, .faq-grid h2, .management-grid h2, .evidence-grid h2, .hf-contact h2 { font-size: clamp(35px, 10.5vw, 46px); line-height: 1.35; }
  .hf-intro-copy p { font-size: 16px; line-height: 1.9; }
  .boundary-note { grid-template-columns: 1fr; gap: 14px; margin-top: 54px; }
  .hf-science, .assessment-section { padding-block: 78px; }
  .section-heading { margin-bottom: 46px; }
  .section-heading h2 { font-size: clamp(35px, 10vw, 46px); }
  .science-grid { grid-template-columns: 1fr; }
  .science-grid article, .science-grid article + article { min-height: 0; padding: 28px 0 30px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .science-grid h3 { margin-top: 55px; }
  .mechanism-list li { grid-template-columns: 46px 1fr; min-height: 0; }
  .evidence-section { padding-block: 74px; }
  .eligibility-grid { grid-template-columns: 1fr; }
  .eligibility-card { min-height: 0; padding: 30px 22px 34px; }
  .eligibility-card h3 { margin: 48px 0 24px; font-size: 30px; }
  .eligibility-card li { font-size: 14px; }
  .eligibility-footnote { margin-top: 26px; }
  .journey-list { grid-template-columns: 1fr; }
  .journey-list li, .journey-list li:nth-child(3n+2), .journey-list li:nth-child(3n+3), .journey-list li:nth-child(odd), .journey-list li:nth-child(even) { min-height: 0; padding: 23px 0 27px; border-right: 0; }
  .journey-list li div { margin-top: 38px; }
  .management-section { padding-block: 78px; }
  .management-list { grid-template-columns: 1fr; }
  .management-list article { min-height: 190px; border-left: 0; padding-inline: 0; }
  .faq-grid { gap: 48px; }
  .faq-list summary { min-height: 86px; padding-block: 25px; font-size: 16px; }
  .faq-list details p { padding-right: 0; }
  .hf-contact { padding-block: 78px; }
  .hf-contact-row { flex-direction: column; align-items: stretch; }
  .hf-contact-row > a { min-width: 0; width: 100%; }
}

@media (max-width: 380px) {
  .hf-page .section-shell { width: min(100% - 32px, 348px); }
  .hf-hero-content { padding-inline: 16px; }
  .hf-hero h1 { font-size: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  .hf-page *, .hf-page *::before, .hf-page *::after { scroll-behavior: auto; transition-duration: .01ms !important; }
}
