.astem-page {
  background: var(--paper);
  color: var(--ink);
}

.astem-page main {
  overflow: hidden;
}

.astem-page .header-actions {
  justify-self: end;
}

.astem-page #overview,
.astem-page #science,
.astem-page #mechanism,
.astem-page #assessment,
.astem-page #faq {
  scroll-margin-top: 88px;
}

.astem-hero {
  min-height: calc(100svh - 88px);
  color: var(--white);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.astem-hero-media {
  background-image: url('/images/utheon-health-hero-dawn.png');
  background-position: 68% center;
  background-size: cover;
  position: absolute;
  inset: 0;
  z-index: -2;
  transform: scale(1.015);
}

.astem-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 21, 18, 0.98) 0%, rgba(7, 21, 18, 0.86) 36%, rgba(7, 21, 18, 0.22) 72%),
    linear-gradient(0deg, rgba(7, 21, 18, 0.55), rgba(7, 21, 18, 0.05) 55%);
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
}

.astem-hero-content {
  min-height: calc(100svh - 88px);
  padding-block: 10vh 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.astem-code {
  color: rgba(255, 255, 255, 0.54);
  letter-spacing: 0.16em;
  margin: 0 0 22px;
  font-size: 11px;
}

.astem-hero h1 {
  max-width: 820px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(72px, 8.4vw, 126px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.astem-hero-intro {
  max-width: 650px;
  margin: 36px 0 24px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 18px;
  line-height: 1.9;
}

.astem-text-link {
  width: fit-content;
  min-height: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.astem-hero-note {
  position: absolute;
  right: 0;
  bottom: 52px;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--serif);
  font-size: 20px;
}

.status-band {
  background: var(--forest);
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.status-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  display: grid;
}

.status-grid article {
  min-height: 184px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  padding: 34px 26px 28px;
  display: flex;
  flex-direction: column;
}

.status-grid article:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.status-grid article > span {
  color: var(--acid);
  font-family: Georgia, serif;
  font-size: 13px;
}

.status-grid small {
  color: rgba(255, 255, 255, 0.48);
  margin-top: auto;
  font-size: 12px;
}

.status-grid strong {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

.astem-intro,
.mechanism-section,
.journey-section,
.faq-section,
.astem-contact {
  padding-block: 118px;
}

.section-kicker {
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 18px;
  margin-bottom: 72px;
}

.section-kicker span {
  color: var(--copper);
  font-family: Georgia, serif;
  font-size: 13px;
}

.section-kicker p {
  letter-spacing: 0.2em;
  margin: 0;
  font-size: 11px;
}

.astem-intro-grid {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  gap: 10vw;
  display: grid;
}

.astem-intro-grid h2,
.mechanism-copy h2,
.journey-heading h2,
.faq-grid h2,
.clinical-note-grid h2,
.astem-contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.astem-intro-grid h2 {
  font-size: clamp(46px, 5.3vw, 76px);
  line-height: 1.28;
}

.astem-intro-copy p {
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 2;
}

.boundary-note {
  border-top: 1px solid var(--line);
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 40px;
  margin-top: 78px;
  padding-top: 26px;
  display: grid;
}

.boundary-note span {
  color: var(--copper);
  letter-spacing: 0.18em;
  font-size: 11px;
}

.boundary-note p {
  max-width: 900px;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
}

.science-section {
  background: var(--ink-deep);
  color: var(--white);
  padding-block: 116px 0;
}

.astem-heading {
  margin-bottom: 72px;
}

.astem-heading h2 {
  max-width: 720px;
  font-family: var(--serif);
  font-size: clamp(42px, 4.6vw, 68px);
  font-weight: 400;
  line-height: 1.34;
}

.astem-heading > p {
  color: rgba(255, 255, 255, 0.63);
  line-height: 1.95;
}

.science-grid {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  display: grid;
}

.science-grid article {
  min-height: 370px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  padding: 34px 34px 42px;
  display: flex;
  flex-direction: column;
}

.science-grid article:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.science-grid span {
  color: var(--acid);
  letter-spacing: 0.16em;
  font-size: 10px;
}

.science-grid h3 {
  margin: auto 0 22px;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
}

.science-grid p {
  color: rgba(255, 255, 255, 0.61);
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
}

.mechanism-grid {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 9vw;
  display: grid;
}

.mechanism-copy h2 {
  font-size: clamp(44px, 4.8vw, 68px);
  line-height: 1.32;
}

.mechanism-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin: 32px 0 0;
  font-size: 16px;
  line-height: 1.98;
}

.mechanism-caution {
  border-left: 2px solid var(--copper);
  padding-left: 22px;
  color: rgba(20, 38, 32, 0.66);
}

.mechanism-list {
  border-top: 1px solid var(--line);
  margin: 0;
}

.mechanism-list li {
  border-bottom: 1px solid var(--line);
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 24px;
  min-height: 190px;
  padding: 30px 0;
  display: grid;
}

.mechanism-list > li > span {
  color: var(--copper);
  font-family: Georgia, serif;
  font-size: 15px;
}

.mechanism-list h3 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 400;
}

.mechanism-list p {
  max-width: 540px;
  margin: 0;
  color: rgba(20, 38, 32, 0.67);
  font-size: 15px;
  line-height: 1.9;
}

.assessment-section {
  background: var(--paper-deep);
  padding-block: 116px;
}

.dark-text > p {
  color: rgba(20, 38, 32, 0.67);
}

.eligibility-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  display: grid;
}

.eligibility-card {
  min-height: 520px;
  padding: 46px 48px;
}

.eligibility-card.suitable {
  background: var(--forest);
  color: var(--white);
}

.eligibility-card.caution {
  background: var(--white);
  border: 1px solid var(--line);
}

.card-label {
  letter-spacing: 0.16em;
  font-size: 11px;
}

.suitable .card-label {
  color: var(--acid);
}

.caution .card-label {
  color: var(--copper);
}

.eligibility-card h3 {
  margin: 74px 0 34px;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
}

.eligibility-card ul {
  margin: 0;
  padding: 0;
}

.eligibility-card li {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding: 15px 0 15px 22px;
  font-size: 15px;
  line-height: 1.75;
  position: relative;
}

.eligibility-card.caution li {
  border-top-color: var(--line);
}

.eligibility-card li::before {
  content: '·';
  position: absolute;
  left: 2px;
  color: var(--acid);
}

.eligibility-card.caution li::before {
  color: var(--copper);
}

.eligibility-footnote {
  max-width: 900px;
  margin: 30px 0 0;
  color: rgba(20, 38, 32, 0.61);
  font-size: 13px;
  line-height: 1.85;
}

.journey-heading {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 8vw;
  margin-bottom: 72px;
  display: grid;
  align-items: end;
}

.journey-heading h2 {
  font-size: clamp(46px, 5vw, 72px);
  line-height: 1.25;
}

.journey-heading p {
  margin: 0;
  color: rgba(20, 38, 32, 0.65);
  line-height: 1.9;
}

.journey-list {
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  display: grid;
}

.journey-list li {
  min-height: 390px;
  border-left: 1px solid var(--line);
  padding: 28px 24px 34px;
  display: flex;
  flex-direction: column;
}

.journey-list li:last-child {
  border-right: 1px solid var(--line);
}

.journey-list > li > span {
  color: var(--copper);
  font-family: Georgia, serif;
  font-size: 14px;
}

.journey-list li div {
  margin-top: auto;
}

.journey-list small {
  color: rgba(20, 38, 32, 0.48);
  letter-spacing: 0.12em;
  font-size: 9px;
}

.journey-list h3 {
  margin: 12px 0 18px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
}

.journey-list p {
  margin: 0;
  color: rgba(20, 38, 32, 0.66);
  font-size: 14px;
  line-height: 1.85;
}

.clinical-note-section {
  background: var(--forest);
  color: var(--white);
  padding-block: 110px;
}

.clinical-note-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 0.75fr);
  gap: 10vw;
  display: grid;
}

.clinical-note-grid h2 {
  font-size: clamp(46px, 5vw, 72px);
  line-height: 1.3;
}

.clinical-note-grid > div:last-child {
  align-self: end;
}

.clinical-note-grid > div:last-child p {
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
  line-height: 1.95;
}

.faq-grid {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 10vw;
  display: grid;
}

.faq-grid h2 {
  font-size: clamp(44px, 4.8vw, 68px);
  line-height: 1.3;
}

.faq-grid > div:first-child > p {
  max-width: 410px;
  margin: 30px 0 0;
  color: rgba(20, 38, 32, 0.62);
  line-height: 1.9;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 82px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 17px;
}

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

.faq-list summary span {
  color: var(--copper);
  font-size: 24px;
  font-weight: 300;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 720px;
  margin: 0;
  padding: 0 50px 28px 0;
  color: rgba(20, 38, 32, 0.66);
  font-size: 15px;
  line-height: 1.9;
}

.astem-contact {
  border-top: 1px solid var(--line);
}

.astem-contact-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
}

.astem-contact h2 {
  font-size: clamp(48px, 5.5vw, 78px);
  line-height: 1.22;
}

.astem-contact-row > div p {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(20, 38, 32, 0.62);
  font-size: 13px;
  line-height: 1.8;
}

.astem-contact-row > a {
  border-bottom: 1px solid var(--ink);
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 17px;
  white-space: nowrap;
}

.astem-contact-row svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 1180px) {
  .astem-page .site-header {
    grid-template-columns: 1fr auto;
  }

  .astem-page .header-contact {
    display: none;
  }

  .status-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .status-grid article:nth-child(3) {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .status-grid article:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .journey-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .journey-list li:nth-child(n+4) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .astem-page #overview,
  .astem-page #science,
  .astem-page #mechanism,
  .astem-page #assessment,
  .astem-page #faq {
    scroll-margin-top: 72px;
  }

  .astem-hero,
  .astem-hero-content {
    min-height: calc(100svh - 72px);
  }

  .astem-hero-media {
    background-position: 70% center;
  }

  .astem-hero::before {
    background:
      linear-gradient(0deg, rgba(7, 21, 18, 0.98) 0%, rgba(7, 21, 18, 0.83) 44%, rgba(7, 21, 18, 0.2) 84%),
      linear-gradient(90deg, rgba(7, 21, 18, 0.55), transparent 80%);
  }

  .astem-hero-content {
    justify-content: flex-end;
    padding: 92px 20px max(54px, env(safe-area-inset-bottom));
  }

  .astem-hero .eyebrow {
    margin-bottom: 12px;
  }

  .astem-code {
    max-width: 300px;
    margin-bottom: 18px;
    font-size: 9px;
    line-height: 1.6;
  }

  .astem-hero h1 {
    font-size: clamp(48px, 14.8vw, 62px);
    line-height: 1.04;
  }

  .astem-hero-intro {
    max-width: 340px;
    margin: 24px 0 18px;
    font-size: 15px;
    line-height: 1.78;
  }

  .astem-hero-note {
    display: none;
  }

  .status-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .status-grid article,
  .status-grid article:nth-child(n) {
    min-height: 130px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 0;
    border-right: 0;
    padding: 23px 0 22px;
  }

  .status-grid article:first-child {
    border-top: 0;
  }

  .astem-intro,
  .mechanism-section,
  .journey-section,
  .faq-section,
  .astem-contact {
    padding-block: 72px;
  }

  .section-kicker {
    margin-bottom: 42px;
  }

  .astem-intro-grid,
  .mechanism-grid,
  .journey-heading,
  .clinical-note-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .astem-intro-grid h2,
  .mechanism-copy h2,
  .journey-heading h2,
  .faq-grid h2,
  .clinical-note-grid h2,
  .astem-contact h2 {
    font-size: clamp(35px, 10.4vw, 44px);
  }

  .astem-intro-copy p,
  .mechanism-copy > p:not(.eyebrow),
  .clinical-note-grid > div:last-child p {
    font-size: 16px;
    line-height: 1.9;
  }

  .boundary-note {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    margin-top: 46px;
  }

  .science-section {
    padding-top: 72px;
  }

  .astem-heading {
    margin-bottom: 42px;
  }

  .astem-heading h2 {
    font-size: clamp(34px, 10vw, 42px);
    line-height: 1.42;
  }

  .science-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .science-grid article {
    min-height: 240px;
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    padding: 26px 0 30px;
  }

  .science-grid h3 {
    margin-top: 70px;
  }

  .mechanism-list li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    min-height: 0;
  }

  .assessment-section,
  .clinical-note-section {
    padding-block: 72px;
  }

  .eligibility-grid {
    grid-template-columns: minmax(0, 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: 15px;
  }

  .journey-heading {
    margin-bottom: 42px;
  }

  .journey-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .journey-list li,
  .journey-list li:nth-child(n) {
    min-height: 0;
    border-top: 0;
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 22px 0 28px;
  }

  .journey-list li div {
    margin-top: 56px;
  }

  .faq-grid {
    gap: 44px;
  }

  .faq-list summary {
    min-height: 76px;
    font-size: 16px;
    line-height: 1.6;
  }

  .faq-list details p {
    padding-right: 0;
    font-size: 15px;
  }

  .astem-contact-row {
    flex-direction: column;
    align-items: stretch;
    gap: 36px;
  }

  .astem-contact-row > a {
    justify-content: space-between;
    white-space: normal;
    overflow-wrap: anywhere;
    font-size: 15px;
  }
}

@media (max-width: 380px) {
  .astem-hero-content {
    padding-inline: 16px;
  }

  .eligibility-card {
    padding-inline: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .astem-page *,
  .astem-page *::before,
  .astem-page *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms !important;
  }
}