:root {
  --navy: #0c1f3f;
  --navy-2: #142b52;
  --coral: #f0745a;
  --coral-deep: #dd5f47;
  --ivory: #f3eee8;
  --cream: #fffaf4;
  --gold: #dcb141;
  --ink: #182337;
  --muted: #6d7580;
  --white: #ffffff;
  --line: rgba(12, 31, 63, 0.14);
  --shadow: 0 30px 80px rgba(5, 16, 36, 0.18);
  --radius-lg: 32px;
  --radius-md: 20px;
  --container: min(1180px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: var(--container); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 999; top: 12px; left: 12px; transform: translateY(-150%); padding: 10px 14px; color: var(--navy); background: white; border-radius: 8px; }
.skip-link:focus { transform: none; }

.site-header { position: fixed; z-index: 50; inset: 0 0 auto; color: white; transition: background .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { color: var(--navy); background: rgba(255, 250, 244, .92); backdrop-filter: blur(16px); box-shadow: 0 10px 40px rgba(8, 21, 43, .08); }
.nav-wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.brand img { width: 43px; height: 43px; object-fit: contain; border-radius: 50%; background: white; }
.primary-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 650; }
.primary-nav > a:not(.button) { position: relative; }
.primary-nav > a:not(.button)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--coral); transition: right .2s ease; }
.primary-nav > a:not(.button):hover::after, .primary-nav > a:not(.button):focus-visible::after { right: 0; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 12px; background: rgba(255,255,255,.12); }
.nav-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; margin: 4px auto; background: currentColor; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 0 24px; border-radius: 999px; font-size: 14px; font-weight: 800; letter-spacing: .03em; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-coral { color: white; background: var(--coral); box-shadow: 0 14px 28px rgba(240, 116, 90, .25); }
.button-coral:hover { background: var(--coral-deep); }
.button-small { min-height: 42px; padding-inline: 18px; font-size: 13px; }
.text-link { display: inline-flex; gap: 10px; align-items: center; color: white; font-size: 14px; font-weight: 750; border-bottom: 1px solid rgba(255,255,255,.34); padding-bottom: 4px; }

.hero { position: relative; min-height: 760px; overflow: hidden; color: white; background: linear-gradient(135deg, #07172f 0%, var(--navy) 55%, #132e58 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: url("bg-two.png"); background-size: 900px auto; background-position: right -120px top; mix-blend-mode: screen; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero-orb-one { width: 460px; height: 460px; right: -170px; top: 70px; background: radial-gradient(circle, rgba(240,116,90,.24), transparent 67%); }
.hero-orb-two { width: 380px; height: 380px; left: -220px; bottom: -140px; background: radial-gradient(circle, rgba(220,177,65,.22), transparent 70%); }
.hero-grid { position: relative; z-index: 2; min-height: 760px; padding-block: 138px 72px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 76px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 22px; color: rgba(255,255,255,.72); font-size: 12px; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow span { width: 34px; height: 2px; background: var(--coral); }
.eyebrow-dark { color: var(--muted); }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(56px, 6.2vw, 98px); line-height: .94; letter-spacing: -.055em; font-weight: 680; }
.hero h1 em { color: var(--coral); font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.035em; }
.hero-lead { max-width: 630px; margin: 30px 0 0; color: rgba(255,255,255,.78); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.quality-list { max-width: 640px; margin: 48px 0 0; padding: 28px 0 0; border-top: 1px solid rgba(255,255,255,.16); display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; }
.quality-list li { display: grid; gap: 4px; }
.quality-list strong { font-size: 14px; }
.quality-list span { color: rgba(255,255,255,.57); font-size: 12px; }

.hero-visual { position: relative; justify-self: end; width: min(100%, 490px); }
.portrait-frame { position: relative; height: 540px; overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: 240px 240px 26px 26px; background: var(--ivory); box-shadow: var(--shadow); }
.portrait-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(4,16,36,.78)); }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.portrait-caption { position: absolute; z-index: 2; left: 34px; right: 34px; bottom: 28px; display: flex; align-items: end; justify-content: space-between; }
.portrait-caption span { color: rgba(255,255,255,.72); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.portrait-caption strong { font-size: 25px; letter-spacing: .06em; }
.portrait-caption i { color: var(--coral); font-family: Georgia, serif; font-weight: 400; }
.experience-card { position: absolute; left: -68px; bottom: 54px; z-index: 3; width: 184px; padding: 22px 22px 20px; color: var(--navy); background: rgba(255,250,244,.96); border-radius: 20px; box-shadow: 0 18px 50px rgba(0,0,0,.2); }
.experience-card strong { display: block; color: var(--coral); font-family: Georgia, serif; font-size: 56px; line-height: .95; }
.experience-card span { display: block; margin-top: 8px; font-size: 12px; line-height: 1.35; }

.proof-strip { color: white; background: var(--coral); }
.proof-grid { min-height: 124px; display: grid; grid-template-columns: repeat(3, .7fr) 1.9fr; align-items: center; }
.proof-grid > div { min-height: 66px; padding: 12px 28px; border-left: 1px solid rgba(255,255,255,.26); display: flex; align-items: center; gap: 12px; }
.proof-grid > div:first-child { border-left: 0; padding-left: 0; }
.proof-grid strong { font-family: Georgia, serif; font-size: 42px; font-weight: 400; line-height: 1; }
.proof-grid span { font-size: 12px; font-weight: 800; line-height: 1.25; text-transform: uppercase; letter-spacing: .08em; }
.proof-note { justify-content: flex-end; }
.proof-note i { color: var(--navy); font-family: Georgia, serif; font-size: 30px; font-style: normal; }

.section { padding-block: 110px; }
.intro { background: var(--cream); }
.intro-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 100px; align-items: start; }
.section-heading h2 { max-width: 620px; margin: 0; color: var(--navy); font-family: Georgia, "Times New Roman", serif; font-size: clamp(46px, 5vw, 76px); font-weight: 400; line-height: 1.02; letter-spacing: -.04em; }
.intro-copy { max-width: 640px; padding-top: 39px; }
.intro-copy p { color: var(--muted); font-size: 16px; }
.intro-copy .lead-copy { margin-top: 0; color: var(--ink); font-size: 23px; line-height: 1.5; }

.marine { padding-top: 20px; background: var(--cream); }
.marine-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 100px; align-items: center; }
.marine-gallery { position: relative; min-height: 650px; }
.marine-image { margin: 0; overflow: hidden; background: var(--ivory); box-shadow: var(--shadow); }
.marine-image img { width: 100%; height: 100%; object-fit: cover; }
.marine-image-main { position: absolute; inset: 0 15% 80px 0; border-radius: 220px 220px 24px 24px; }
.marine-image-side { position: absolute; width: 42%; height: 290px; right: 0; bottom: 0; border: 10px solid var(--cream); border-radius: 22px; }
.marine-badge { position: absolute; left: -24px; bottom: 36px; z-index: 3; width: 138px; height: 138px; display: grid; place-content: center; text-align: center; color: var(--navy); background: linear-gradient(145deg, #f6df8f, #dcb141); border-radius: 50%; box-shadow: 0 18px 40px rgba(107,79,13,.24); }
.marine-badge strong { font-family: Georgia, serif; font-size: 42px; line-height: 1; }
.marine-badge span { margin-top: 6px; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.marine-copy h2, .comparison-copy h2 { margin: 0; color: var(--navy); font-family: Georgia, serif; font-size: clamp(46px, 5vw, 72px); font-weight: 400; line-height: 1.03; letter-spacing: -.045em; }
.marine-copy > .lead-copy { color: var(--ink); font-size: 20px; line-height: 1.55; }
.check-list { margin: 38px 0 0; padding: 0; list-style: none; }
.check-list li { padding: 20px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 48px 1fr; gap: 18px; }
.check-list li > span { color: var(--coral); font-family: Georgia, serif; font-size: 22px; }
.check-list strong { color: var(--navy); font-size: 16px; }
.check-list p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.study-section { padding-block: 100px; color: white; background: var(--navy); }
.study-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 72px 92px; align-items: center; }
.study-copy h2 { margin: 0; max-width: 570px; font-family: Georgia, serif; font-size: clamp(46px, 5vw, 72px); font-weight: 400; line-height: 1.03; letter-spacing: -.04em; }
.study-copy > p:last-child { max-width: 600px; color: rgba(255,255,255,.68); font-size: 17px; }
.study-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.study-stats article { min-height: 260px; padding: 34px; border: 1px solid rgba(255,255,255,.15); border-radius: 24px; display: flex; justify-content: space-between; flex-direction: column; background: rgba(255,255,255,.055); }
.study-stats article:first-child { background: var(--coral); border-color: transparent; }
.study-stats strong { font-family: Georgia, serif; font-size: clamp(64px, 7vw, 96px); font-weight: 400; line-height: .9; }
.study-stats sup { font-size: .45em; }
.study-stats span { font-size: 13px; font-weight: 800; letter-spacing: .12em; line-height: 1.35; text-transform: uppercase; }
.study-note { grid-column: 1 / -1; margin: 0; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.48); font-size: 12px; }

.why { background: var(--ivory); }
.centered { max-width: 780px; margin-inline: auto; text-align: center; }
.centered .eyebrow { justify-content: center; }
.centered h2 { margin-inline: auto; }
.centered > p:last-child { max-width: 650px; margin: 24px auto 0; color: var(--muted); font-size: 17px; }
.why-grid { margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.why-card { min-height: 328px; padding: 30px; border-radius: 22px; background: rgba(255,255,255,.68); border: 1px solid rgba(12,31,63,.08); transition: transform .25s ease, box-shadow .25s ease; }
.why-card:hover { transform: translateY(-6px); box-shadow: 0 22px 50px rgba(12,31,63,.1); }
.why-card > span { width: 72px; height: 72px; display: grid; place-content: center; color: var(--coral); background: rgba(240,116,90,.1); border-radius: 50%; font-family: Georgia, serif; font-size: 30px; line-height: .75; text-align: center; }
.why-card h3 { margin: 44px 0 10px; color: var(--navy); font-size: 19px; line-height: 1.25; }
.why-card p { margin: 0; color: var(--muted); font-size: 14px; }

.inout-section { color: white; background: linear-gradient(135deg, #07172f, var(--navy)); }
.inout-heading { max-width: 820px; }
.inout-heading h2 { margin: 0; font-family: Georgia, serif; font-size: clamp(48px, 6vw, 82px); font-weight: 400; line-height: 1; letter-spacing: -.045em; }
.inout-heading em { color: var(--coral); font-weight: 400; }
.inout-heading > p:last-child { max-width: 620px; color: rgba(255,255,255,.64); font-size: 18px; }
.inout-cards { margin-top: 54px; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.inout-card { min-height: 300px; padding: 34px; border-radius: 28px; display: grid; grid-template-columns: 110px 1fr; gap: 24px; align-items: center; }
.card-in { color: var(--navy); background: var(--coral); }
.card-out { color: var(--navy); background: var(--ivory); }
.inout-letter { font-family: Georgia, serif; font-size: 58px; line-height: 1; writing-mode: vertical-rl; transform: rotate(180deg); opacity: .92; }
.card-kicker { margin: 0 0 8px; font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; opacity: .62; }
.inout-card h3 { margin: 0; font-size: 26px; }
.inout-card p:not(.card-kicker) { font-size: 15px; opacity: .76; }
.inout-card a { display: inline-flex; gap: 10px; margin-top: 12px; font-size: 13px; font-weight: 850; border-bottom: 1px solid currentColor; }

.products { background: var(--cream); }
.products-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.products-head .section-heading h2 { max-width: 700px; }
.product-filters { display: inline-flex; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: white; }
.product-filters button { min-height: 42px; padding: 0 16px; color: var(--muted); background: transparent; border: 0; border-radius: 999px; font-size: 12px; font-weight: 800; cursor: pointer; }
.product-filters button.is-active { color: white; background: var(--navy); }
.product-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { overflow: hidden; border: 1px solid rgba(12,31,63,.09); border-radius: 26px; background: white; transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 24px 60px rgba(12,31,63,.11); }
.product-card.is-hidden { display: none; }
.product-image { height: 330px; padding: 30px; display: grid; place-items: center; background: var(--ivory); }
.product-image img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.navy-product { background: var(--navy); }
.navy-product img { mix-blend-mode: normal; }
.product-body { padding: 28px; }
.product-meta { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.product-meta span { display: grid; place-content: center; width: 36px; height: 36px; color: white; background: var(--coral); border-radius: 50%; font-family: Georgia, serif; font-size: 14px; }
.product-meta small { color: var(--muted); font-size: 10px; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.product-body h3 { min-height: 58px; margin: 18px 0 8px; color: var(--navy); font-family: Georgia, serif; font-size: 28px; font-weight: 400; line-height: 1.05; }
.product-body > p { min-height: 74px; color: var(--muted); font-size: 14px; }
.product-body ul { margin: 20px 0 0; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; list-style: none; color: var(--navy); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.product-body > a { display: inline-flex; gap: 10px; margin-top: 22px; color: var(--coral-deep); font-size: 13px; font-weight: 850; }

.comparison { padding-top: 30px; background: var(--cream); }
.comparison-grid { padding: 68px; border-radius: 32px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 62px; align-items: center; background: var(--ivory); }
.comparison-copy p:last-child { color: var(--muted); }
.dose-cards { display: grid; grid-template-columns: 1fr 36px 1fr; align-items: center; }
.dose-cards article { min-height: 290px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: white; display: flex; flex-direction: column; }
.dose-cards article:first-child { color: white; background: var(--navy); border-color: transparent; }
.dose-cards article > span { font-size: 10px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; opacity: .62; }
.dose-cards strong { margin-top: 38px; font-family: Georgia, serif; font-size: 44px; font-weight: 400; line-height: 1; }
.dose-cards small { margin-left: 4px; font-family: Inter, sans-serif; font-size: 13px; font-weight: 800; }
.dose-cards p { margin-top: 14px; font-size: 13px; opacity: .65; }
.dose-cards b { margin-top: auto; color: var(--coral); font-size: 12px; letter-spacing: .1em; }
.dose-arrow { color: var(--coral); text-align: center; font-size: 28px; }

.routine { color: white; background: var(--coral); }
.routine-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: center; }
.routine-intro h2 { margin: 0; font-family: Georgia, serif; font-size: clamp(48px, 5.6vw, 76px); font-weight: 400; line-height: 1.02; letter-spacing: -.045em; }
.routine-intro > p:last-of-type { color: rgba(255,255,255,.78); }
.age-tabs { margin-top: 34px; display: flex; gap: 8px; }
.age-tabs button { width: 66px; height: 66px; color: white; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; background: transparent; font-weight: 850; cursor: pointer; }
.age-tabs button.is-active { color: var(--coral); background: white; border-color: white; }
.routine-panel { position: relative; min-height: 530px; overflow: hidden; padding: 52px; color: var(--navy); background: var(--cream); border-radius: 30px; box-shadow: var(--shadow); }
.routine-number { position: absolute; right: -12px; top: -30px; color: rgba(240,116,90,.11); font-family: Georgia, serif; font-size: 190px; line-height: 1; }
.routine-label { position: relative; margin: 0; color: var(--coral-deep); font-size: 12px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.routine-columns { position: relative; margin-top: 52px; display: grid; grid-template-columns: 1fr 1fr; gap: 42px; }
.routine-columns > div { padding-top: 24px; border-top: 1px solid var(--line); }
.routine-columns span { color: var(--coral); font-family: Georgia, serif; font-size: 34px; }
.routine-columns h3 { min-height: 58px; margin: 16px 0 12px; font-size: 21px; line-height: 1.25; }
.routine-columns p { color: var(--muted); font-size: 14px; }
.routine-note { position: relative; margin: 42px 0 0; padding: 18px 20px; color: var(--navy); background: var(--ivory); border-radius: 14px; font-size: 13px; }

.retailer { background: var(--cream); }
.retailer-card { min-height: 560px; overflow: hidden; display: grid; grid-template-columns: 1fr .84fr; color: white; background: var(--navy); border-radius: 32px; box-shadow: var(--shadow); }
.retailer-copy { padding: 68px; align-self: center; }
.retailer-copy h2 { max-width: 620px; margin: 0; font-family: Georgia, serif; font-size: clamp(48px, 5vw, 72px); font-weight: 400; line-height: 1.02; letter-spacing: -.04em; }
.retailer-copy > p:last-of-type { max-width: 560px; color: rgba(255,255,255,.68); }
.retailer-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.button-outline { color: white; border: 1px solid rgba(255,255,255,.42); }
.retailer-image { min-height: 420px; }
.retailer-image img { width: 100%; height: 100%; object-fit: cover; }
.disclaimer { padding: 28px 0; color: var(--muted); background: var(--ivory); }
.disclaimer p { max-width: 1060px; margin: 0; font-size: 11px; line-height: 1.55; }

.site-footer { padding: 28px 0; color: rgba(255,255,255,.66); background: #07172f; }
.footer-grid { padding-block: 70px 58px; display: grid; grid-template-columns: 1.4fr .7fr .7fr 1fr; gap: 54px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-brand img { width: 150px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 260px; color: rgba(255,255,255,.48); }
.footer-grid h3 { margin: 0 0 10px; color: white; font-size: 13px; }
.footer-grid a, .footer-grid p { margin: 0; color: rgba(255,255,255,.56); font-size: 13px; }
.footer-grid a:hover { color: var(--coral); }
.footer-bottom { padding-block: 22px 4px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 24px; font-size: 12px; }
.footer-bottom div { display: flex; gap: 22px; }

.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
  .reveal.is-visible { opacity: 1; transform: none; }
}

@media (max-width: 1000px) {
  .primary-nav { gap: 16px; }
  .primary-nav > a:not(.button) { display: none; }
  .hero-grid { grid-template-columns: 1fr .82fr; gap: 44px; }
  .hero h1 { font-size: clamp(52px, 8vw, 82px); }
  .experience-card { left: -28px; }
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
  .proof-note { grid-column: 1 / -1; justify-content: center; border-top: 1px solid rgba(255,255,255,.26); }
  .intro-grid { gap: 56px; }
  .marine-grid { gap: 54px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .comparison-grid { padding: 48px; grid-template-columns: 1fr; }
  .routine-grid { gap: 48px; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --container: min(100% - 30px, 620px); --radius-lg: 24px; }
  .nav-wrap { min-height: 72px; }
  .brand span { font-size: 12px; }
  .nav-toggle { display: block; color: white; }
  .site-header.is-scrolled .nav-toggle { color: var(--navy); background: rgba(12,31,63,.06); }
  .primary-nav { position: absolute; top: 72px; left: 15px; right: 15px; padding: 18px; border-radius: 18px; color: var(--navy); background: white; box-shadow: var(--shadow); display: none; align-items: stretch; flex-direction: column; }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a:not(.button) { display: block; padding: 8px 6px; }
  .hero { min-height: auto; }
  .hero-grid { min-height: auto; padding-block: 120px 64px; grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(50px, 15vw, 72px); }
  .hero-lead { font-size: 18px; }
  .quality-list { margin-top: 38px; }
  .hero-visual { justify-self: stretch; width: 100%; max-width: 520px; margin-top: 4px; }
  .portrait-frame { height: 500px; }
  .experience-card { left: 18px; bottom: 48px; }
  .proof-grid { grid-template-columns: repeat(3, 1fr); padding-block: 18px; }
  .proof-grid > div { min-height: 58px; padding-inline: 14px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 3px; }
  .proof-grid > div:first-child { padding-left: 0; }
  .proof-grid strong { font-size: 32px; }
  .proof-note { padding-top: 16px !important; grid-column: 1 / -1; align-items: center !important; flex-direction: row !important; }
  .section { padding-block: 80px; }
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .intro-copy { padding-top: 0; }
  .intro-copy .lead-copy { font-size: 20px; }
  .marine-grid, .study-grid, .routine-grid, .retailer-card { grid-template-columns: 1fr; }
  .marine-gallery { min-height: 560px; }
  .marine-badge { left: 8px; }
  .study-stats { order: 2; }
  .study-note { order: 3; }
  .why-grid, .inout-cards, .product-grid { grid-template-columns: 1fr; }
  .why-card { min-height: 270px; }
  .inout-card { min-height: 270px; }
  .products-head { align-items: flex-start; flex-direction: column; }
  .product-filters { max-width: 100%; overflow-x: auto; }
  .product-card { max-width: 560px; }
  .product-image { height: 360px; }
  .comparison-grid { padding: 34px 22px; }
  .routine-panel { padding: 36px 28px; }
  .routine-columns { gap: 24px; }
  .retailer-copy { padding: 46px 28px; }
  .retailer-image { min-height: 380px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px; }
}

@media (max-width: 470px) {
  .hero h1 { font-size: 48px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .quality-list { grid-template-columns: 1fr 1fr; }
  .portrait-frame { height: 450px; }
  .portrait-caption { left: 22px; right: 22px; }
  .experience-card { width: 166px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div { min-height: 48px; border-left: 0; border-top: 1px solid rgba(255,255,255,.26); flex-direction: row; align-items: center; }
  .proof-grid > div:first-child { border-top: 0; }
  .proof-note { flex-wrap: wrap; }
  .section-heading h2 { font-size: 45px; }
  .marine-gallery { min-height: 470px; }
  .marine-image-main { right: 7%; }
  .marine-image-side { display: none; }
  .marine-copy h2, .comparison-copy h2 { font-size: 45px; }
  .study-stats { grid-template-columns: 1fr; }
  .study-stats article { min-height: 220px; }
  .inout-card { padding: 26px; grid-template-columns: 68px 1fr; }
  .inout-letter { font-size: 44px; }
  .product-filters { width: 100%; border-radius: 18px; display: grid; grid-template-columns: 1fr; }
  .product-filters button { width: 100%; }
  .dose-cards { grid-template-columns: 1fr; gap: 10px; }
  .dose-arrow { transform: rotate(90deg); }
  .routine-columns { grid-template-columns: 1fr; }
  .routine-panel { min-height: auto; }
  .routine-number { font-size: 120px; }
  .retailer-actions { align-items: stretch; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}