.age-hero {
  position: relative;
  isolation: isolate;
  min-height: 640px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-deep);
}
.age-hero__media,
.age-hero__wash { position: absolute; inset: 0; z-index: -2; }
.age-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scaleX(-1) scale(1.02); }
.age-hero__wash {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(18, 49, 54, .95) 0%, rgba(30, 66, 64, .88) 37%, rgba(46, 83, 76, .46) 66%, rgba(38, 72, 68, .16) 100%),
    linear-gradient(0deg, rgba(12, 37, 40, .24), transparent 55%);
}
.age-hero__inner { padding: clamp(82px, 9vw, 120px) 0 120px; }
.age-hero__copy { max-width: 770px; }
.age-hero h1 { max-width: 830px; margin-bottom: 24px; color: var(--white); font-size: clamp(3.25rem, 6.7vw, 6.15rem); text-shadow: 0 3px 22px rgba(6, 28, 30, .34); }
.age-hero h1 span { color: #b9f29d; }
.age-hero__lead { max-width: 650px; margin-bottom: 30px; color: rgba(255, 255, 255, .92); font-size: clamp(1.08rem, 1.7vw, 1.28rem); }
.age-hero__actions { display: flex; flex-wrap: wrap; gap: 13px; }
.age-hero__proof { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; margin: 31px 0 0; color: rgba(255, 255, 255, .86); list-style: none; font-size: .82rem; }
.age-hero__proof span { margin-right: 6px; color: #b9f29d; font-weight: 900; }

.age-switcher { position: relative; z-index: 4; margin-top: -54px; }
.age-switcher__inner { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: rgba(255, 255, 255, .98); box-shadow: var(--shadow); }
.age-switcher a { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 30px; border-right: 1px solid var(--line); transition: background .2s ease, color .2s ease; }
.age-switcher a:last-child { border-right: 0; }
.age-switcher a:hover { background: var(--cream); }
.age-switcher a[aria-current="page"] { color: var(--ink-deep); background: var(--sage); }
.age-switcher small, .age-switcher strong { display: block; }
.age-switcher small { color: var(--accent-deep); font-size: .7rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.age-switcher strong { margin-top: 3px; font-size: 1.08rem; }
.age-switcher b { color: var(--accent-deep); font-size: 1.4rem; }

.age-intro { padding-top: clamp(88px, 10vw, 142px); }
.age-intro__grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: clamp(55px, 9vw, 118px); align-items: center; }
.age-intro__media { position: relative; min-height: 610px; }
.age-intro__media figure { position: absolute; margin: 0; overflow: hidden; box-shadow: var(--shadow); }
.age-intro__media figure:first-child { inset: 0 17% 0 0; border-radius: 210px 210px 32px 32px; }
.age-intro__media figure:last-child { right: 0; bottom: 35px; width: 46%; height: 235px; border: 9px solid var(--white); border-radius: 25px; }
.age-intro__media img { width: 100%; height: 100%; object-fit: cover; }
.age-intro__copy h2 { margin-bottom: 24px; }
.age-intro__copy .lead { margin-bottom: 20px; }
.age-intro__points { display: grid; gap: 0; margin-top: 30px; border-top: 1px solid var(--line); }
.age-intro__points div { display: grid; grid-template-columns: 38px 1fr; gap: 15px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.age-intro__points b { color: var(--accent-deep); font-size: .72rem; letter-spacing: .1em; }
.age-intro__points strong { display: block; color: var(--ink-deep); font-size: .96rem; }
.age-intro__points span { display: block; margin-top: 2px; color: var(--muted); font-size: .84rem; }

.benefits-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .66fr); gap: 70px; align-items: end; margin-bottom: 48px; }
.benefits-heading h2 { margin-bottom: 0; }
.benefits-heading > p { margin-bottom: 5px; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit-card { min-height: 280px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-soft); }
.benefit-card__number { display: block; margin-bottom: 45px; color: var(--accent-deep); font-size: .72rem; font-weight: 900; letter-spacing: .13em; }
.benefit-card h3 { margin-bottom: 12px; font-size: 1.38rem; }
.benefit-card p { margin: 0; font-size: .88rem; }

.treatments-heading { max-width: 770px; margin-bottom: 48px; }
.treatment-choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.treatment-choice { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: var(--white); box-shadow: var(--shadow-soft); }
.treatment-choice figure { height: 245px; margin: 0; overflow: hidden; background: #eef4eb; }
.treatment-choice img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.treatment-choice:hover img { transform: scale(1.025); }
.treatment-choice__body { flex: 1; display: flex; flex-direction: column; padding: 27px; }
.treatment-choice__body > span { color: var(--accent-deep); font-size: .68rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.treatment-choice h3 { margin: 9px 0 11px; font-size: 1.55rem; }
.treatment-choice p { flex: 1; margin-bottom: 21px; font-size: .86rem; }
.treatment-choice .text-link { align-self: flex-start; font-size: .84rem; }
.treatment-slider { position: relative; }
.treatment-choice-grid.treatment-choice-grid--slider {
  grid-template-columns: none;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 44px) / 3);
  overflow-x: auto;
  padding: 3px;
  margin: -3px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.treatment-choice-grid--slider::-webkit-scrollbar { display: none; }
.treatment-choice-grid--slider .treatment-choice { scroll-snap-align: start; }
.treatment-slider__button {
  position: absolute;
  z-index: 3;
  top: 120px;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  padding: 0 0 4px;
  border: 1px solid rgba(29, 59, 66, .12);
  border-radius: 50%;
  color: var(--ink-deep);
  background: rgba(255, 255, 255, .96);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
  transition: opacity .2s ease, transform .2s ease;
}
.treatment-slider__button:hover:not(:disabled) { transform: translateY(-2px); }
.treatment-slider__button:disabled { opacity: 0; pointer-events: none; cursor: default; }
.treatment-slider__button--prev { left: -24px; }
.treatment-slider__button--next { right: -24px; }

.timing-section { color: var(--white); background: linear-gradient(125deg, #244c4d, #416f65); }
.timing-grid { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr); gap: clamp(52px, 8vw, 105px); align-items: center; }
.timing-media { height: 560px; margin: 0; overflow: hidden; border-radius: var(--radius-lg); box-shadow: 0 28px 70px rgba(8, 33, 34, .24); }
.timing-media img { width: 100%; height: 100%; object-fit: cover; }
.timing-copy h2 { margin-bottom: 22px; color: var(--white); }
.timing-copy p { color: rgba(255, 255, 255, .8); }
.timing-list { display: grid; gap: 10px; padding: 0; margin: 27px 0 0; list-style: none; }
.timing-list li { position: relative; padding: 12px 0 12px 30px; border-top: 1px solid rgba(255, 255, 255, .15); color: rgba(255, 255, 255, .88); font-size: .9rem; }
.timing-list li::before { content: "✓"; position: absolute; left: 0; color: #b9f29d; font-weight: 900; }

.process-heading { max-width: 760px; margin-bottom: 48px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.process-card { min-height: 260px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--cream); }
.process-card span { display: block; margin-bottom: 42px; color: var(--accent-deep); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.process-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.process-card p { margin: 0; font-size: .83rem; }

.outcome-strip { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); gap: clamp(46px, 8vw, 100px); align-items: center; }
.outcome-strip figure { height: 410px; margin: 0; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow); background: var(--white); }
.outcome-strip figure img { width: 100%; height: 100%; object-fit: cover; }
.outcome-strip__copy h2 { margin-bottom: 20px; }
.outcome-strip__copy .button { margin-top: 12px; }
.clinical-note { margin-top: 20px; color: var(--muted); font-size: .73rem; }

.age-faq { background: var(--white); }
.age-faq__grid { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(48px, 8vw, 105px); align-items: start; }
.age-faq header { position: sticky; top: 125px; }
.age-faq__list { border-top: 1px solid var(--line); }
.age-faq details { border-bottom: 1px solid var(--line); }
.age-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 2px; color: var(--ink-deep); cursor: pointer; list-style: none; font-weight: 820; }
.age-faq summary::-webkit-details-marker { display: none; }
.age-faq summary span { font-size: 1.35rem; transition: transform .2s ease; }
.age-faq details[open] summary span { transform: rotate(45deg); }
.age-faq details p { max-width: 730px; margin: -2px 44px 24px 2px; font-size: .89rem; }

@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .header-phone { margin-left: auto; }
}

@media (max-width: 980px) {
  .age-intro__grid,
  .timing-grid,
  .outcome-strip,
  .age-faq__grid { grid-template-columns: 1fr; }
  .age-intro__media { width: min(100%, 650px); min-height: 560px; }
  .benefits-heading { grid-template-columns: 1fr; gap: 18px; }
  .treatment-choice-grid { grid-template-columns: repeat(2, 1fr); }
  .treatment-choice-grid.treatment-choice-grid--slider { grid-template-columns: none; grid-auto-columns: calc((100% - 22px) / 2); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .timing-media { height: 480px; }
  .age-faq header { position: static; }
}

@media (max-width: 700px) {
  .age-hero { min-height: 690px; }
  .age-hero__media img { object-position: center; }
  .age-hero__wash { background: linear-gradient(90deg, rgba(18, 49, 54, .90), rgba(36, 73, 68, .66)); }
  .age-hero__inner { padding: 70px 0 105px; }
  .age-hero h1 { font-size: clamp(3rem, 15vw, 4.45rem); }
  .age-hero__actions { flex-direction: column; }
  .age-hero__actions .button { width: 100%; }
  .age-hero__proof { display: grid; gap: 8px; }
  .age-switcher { margin-top: -42px; }
  .age-switcher__inner { grid-template-columns: 1fr; border-radius: 22px; }
  .age-switcher a { min-height: 78px; padding: 16px 22px; border-right: 0; border-bottom: 1px solid var(--line); }
  .age-switcher a:last-child { border-bottom: 0; }
  .age-intro__media { min-height: 460px; }
  .age-intro__media figure:first-child { right: 11%; }
  .age-intro__media figure:last-child { width: 50%; height: 185px; border-width: 7px; }
  .benefit-grid,
  .treatment-choice-grid,
  .process-grid { grid-template-columns: 1fr; }
  .benefit-card,
  .process-card { min-height: 0; }
  .benefit-card__number,
  .process-card span { margin-bottom: 28px; }
  .treatment-choice figure { height: 230px; }
  .treatment-choice-grid.treatment-choice-grid--slider { grid-template-columns: none; grid-auto-columns: 100%; }
  .treatment-slider__button { top: 92px; width: 46px; height: 46px; }
  .treatment-slider__button--prev { left: 8px; }
  .treatment-slider__button--next { right: 8px; }
  .timing-media { height: 380px; }
  .outcome-strip figure { height: 330px; }
}

@media (prefers-reduced-motion: reduce) {
  .treatment-choice img { transition: none; }
}