:root {
  --ink: #2d1724;
  --ink-soft: #725e69;
  --plum: #5f143f;
  --plum-dark: #351126;
  --berry: #a92150;
  --coral: #ed665c;
  --blush: #f8e8eb;
  --cream: #fff9f2;
  --paper: #fffdfb;
  --sage: #dde6d4;
  --line: #ead7db;
  --shell: min(1160px, calc(100% - 40px));
  --radius: 28px;
  --shadow: 0 24px 70px rgba(75, 20, 51, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.narrow { max-width: 800px; }
.center { text-align: center; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 12px 18px; border: 2px solid var(--ink); border-radius: 10px; background: #fff; }
.skip-link:focus { top: 16px; }
.disclosure { padding: 10px 0; color: #fff; background: var(--plum-dark); font-size: .82rem; text-align: center; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(95,20,63,.12); background: rgba(255,253,251,.95); backdrop-filter: blur(14px); }
.nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 900; letter-spacing: -.02em; text-decoration: none; }
.brand-icon { width: 31px; aspect-ratio: 1; border: 7px solid var(--plum); border-top-color: var(--coral); border-radius: 50%; transform: rotate(-4deg); }
nav { display: flex; flex-wrap: wrap; gap: 22px; }
nav a { color: var(--ink-soft); font-size: .88rem; font-weight: 800; text-decoration: none; }
nav a:hover { color: var(--berry); }
.hero { overflow: hidden; padding: clamp(72px,9vw,125px) 0 84px; background: radial-gradient(circle at 90% 10%, rgba(237,102,92,.18), transparent 27%), linear-gradient(145deg, var(--paper), var(--blush)); }
.hero-grid { display: grid; grid-template-columns: 1fr .88fr; gap: clamp(42px,7vw,90px); align-items: center; }
.eyebrow { margin: 0 0 17px; color: var(--berry); font-size: .76rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1,h2,h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.04em; }
h1 { margin-bottom: 26px; font-size: clamp(3.35rem,6.8vw,6.25rem); }
h2 { margin-bottom: 22px; font-size: clamp(2.2rem,4.4vw,4rem); }
h3 { margin-bottom: 12px; font-size: 1.3rem; }
.lede { max-width: 650px; margin-bottom: 30px; color: var(--ink-soft); font-size: clamp(1.05rem,1.5vw,1.2rem); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; padding: 14px 25px; border-radius: 999px; color: #fff; background: var(--plum); box-shadow: 0 15px 34px rgba(95,20,63,.2); font-weight: 900; line-height: 1.25; text-align: center; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); background: #7c1a51; }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.text-link { color: var(--berry); font-weight: 850; text-underline-offset: 4px; }
.micro { margin: 13px 0 0; color: var(--ink-soft); font-size: .75rem; }
.facts { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin: 32px 0 0; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--line); }
.facts div { padding: 15px; background: rgba(255,255,255,.86); }
.facts dt { color: var(--ink-soft); font-size: .68rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.facts dd { margin: 2px 0 0; font-weight: 900; }
.hero-image { position: relative; margin: 0; padding: 24px; border-radius: 38px; background: #fff; box-shadow: var(--shadow); transform: rotate(1deg); }
.hero-image img { width: 100%; max-height: 760px; border-radius: 24px; object-fit: cover; object-position: top; }
.hero-image figcaption { padding: 15px 8px 2px; color: var(--ink-soft); font-size: .73rem; }
.section { padding: clamp(82px,9vw,128px) 0; }
.quick-section p:last-child { color: var(--ink-soft); font-size: 1.15rem; }
.dark-section { color: #fff; background: var(--plum-dark); }
.split-heading { display: grid; grid-template-columns: .86fr 1.14fr; gap: clamp(50px,8vw,100px); align-items: start; }
.light { color: #ff9e91; }
.soft { color: #dbc8d3; }
.feature-list article { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.16); }
.feature-list article:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.feature-list span { display: grid; width: 42px; aspect-ratio: 1; place-items: center; border-radius: 50%; color: var(--plum-dark); background: #ff9e91; font-weight: 900; }
.feature-list p { margin: 0; color: #dbc8d3; }
.routine-section { background: var(--blush); }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin: 58px 0 0; padding: 0; list-style: none; }
.steps li { min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.steps li > span { display: grid; width: 48px; aspect-ratio: 1; margin-bottom: 34px; place-items: center; border-radius: 14px; color: #fff; background: var(--plum); font-weight: 900; }
.steps strong { font-size: 1.08rem; }
.steps p { color: var(--ink-soft); }
.frequency-section { background: #eef6f2; }
.frequency-section .narrow > p:last-child { color: var(--ink-soft); font-size: 1.08rem; }
.frequency-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 50px; }
.frequency-card { display: grid; grid-template-columns: 52px 1fr; gap: 16px; min-height: 230px; padding: 28px 24px; border: 1px solid rgba(45,23,36,.1); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 45px rgba(31,74,75,.1); }
.frequency-card > span { display: grid; width: 48px; aspect-ratio: 1; place-items: center; border-radius: 50%; font-size: 1.55rem; font-weight: 950; }
.frequency-card h3 { margin-bottom: 10px; font-size: 1.28rem; }
.frequency-card p:last-child { margin-bottom: 0; color: var(--ink-soft); }
.frequency-label { margin: 3px 0 13px; font-size: .68rem; font-weight: 900; letter-spacing: .1em; }
.frequency-green { border-top: 7px solid #36a56d; }
.frequency-green > span { color: #207b4e; background: #d9f1e3; }
.frequency-green .frequency-label { color: #207b4e; }
.frequency-yellow { border-top: 7px solid #e0a62e; }
.frequency-yellow > span { color: #ad7100; background: #fff0c9; }
.frequency-yellow .frequency-label { color: #ad7100; }
.frequency-red { border-top: 7px solid #d85b58; }
.frequency-red > span { color: #b63c39; background: #fbe0de; }
.frequency-red .frequency-label { color: #b63c39; }
.frequency-note { margin-top: 30px; padding: 22px 25px; border-left: 5px solid #17475a; border-radius: 14px; color: #3e5c61; background: #fff; }
.frequency-visuals { margin-top: 54px; }
.frequency-visuals figure { border: 1px solid rgba(45,23,36,.08); }

.campaign-section { background: var(--sage); }
.campaign-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(18px,3vw,32px); margin-top: 50px; }
.campaign-grid figure { margin: 0; overflow: hidden; border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.campaign-grid img { width: 100%; }
.campaign-grid figcaption { padding: 16px 20px; color: var(--ink-soft); font-weight: 800; }
.checklist-section { background: var(--cream); }
.checklist-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 80px; align-items: start; }
.checklist { margin: 0; padding: 0; list-style: none; }
.checklist li { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.checklist span { color: var(--berry); font-weight: 900; }
.checklist strong { display: block; }
.checklist small { display: block; margin-top: 3px; color: var(--ink-soft); font-size: .9rem; }
.proof-section { background: #fff; }
.proof-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.proof-cards { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.proof-cards article { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--blush); }
.proof-cards article:last-child { background: var(--cream); }
.proof-cards p { margin-bottom: 0; color: var(--ink-soft); }
.faq-section { padding-top: 20px; }
.faq-section details { border-top: 1px solid var(--line); }
.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { position: relative; padding: 24px 44px 24px 0; cursor: pointer; list-style: none; font-weight: 850; }
.faq-section summary::-webkit-details-marker { display: none; }
.faq-section summary::after { content: "+"; position: absolute; top: 17px; right: 8px; color: var(--berry); font-size: 1.8rem; font-weight: 400; }
.faq-section details[open] summary::after { content: "−"; }
.faq-section details p { margin-top: 0; padding: 0 44px 20px 0; color: var(--ink-soft); }
.sources-section { background: var(--blush); }
.sources-section ul { padding-left: 22px; }
.sources-section li + li { margin-top: 10px; }
.sources-section a { color: var(--berry); font-weight: 800; text-underline-offset: 4px; }
.sources-section p:last-child { color: var(--ink-soft); }
.cta { padding: 0 0 clamp(82px,9vw,128px); }
.cta-box { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; padding: clamp(42px,7vw,76px); border-radius: 40px; color: #fff; background: var(--plum-dark); box-shadow: var(--shadow); }
.cta-box h2 { margin-bottom: 14px; }
.cta-box p { color: #dbc8d3; }
.button-light { color: var(--plum-dark); background: #ff9e91; }
.button-light:hover { background: #ffb3a9; }
.pale { color: #dbc8d3 !important; }
footer { padding: 68px 0 26px; color: #fff; background: #21101a; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .7fr 1fr; gap: 65px; }
.footer-brand { margin-bottom: 15px; }
.footer-grid > div:first-child p { max-width: 390px; color: #cdbbc5; }
.footer-grid h2 { margin-bottom: 17px; color: #b999aa; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-grid a:not(.brand) { display: block; width: fit-content; margin: 9px 0; color: #f7e9f1; }
.footer-disclosure p { font-weight: 800; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 44px; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.14); color: #b999aa; font-size: .73rem; }
.policy-main { min-height: 70vh; padding: 80px 0 120px; }
.policy-main h1 { font-size: clamp(3rem,7vw,5rem); }
.policy-main h2 { margin-top: 46px; font-size: 1.65rem; }
.policy-main p,.policy-main li { color: var(--ink-soft); }
.notice { padding: 20px 22px; border-left: 5px solid var(--berry); border-radius: 12px; background: var(--blush); }
@media (max-width: 940px) {
  .hero-grid,.split-heading,.checklist-grid,.proof-grid,.cta-box { grid-template-columns: 1fr; }
  .steps,.proof-cards { grid-template-columns: repeat(2,1fr); }
  .campaign-grid { grid-template-columns: repeat(2,1fr); }
  .campaign-grid figure:last-child { grid-column: 1 / -1; max-width: 430px; justify-self: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-disclosure { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  :root { --shell: min(100% - 28px,1160px); }
  .disclosure { text-align: left; }
  .site-header { position: static; }
  .nav-row { min-height: 68px; }
  nav { display: none; }
  .hero { padding-top: 56px; }
  h1 { font-size: clamp(3rem,16vw,4.5rem); }
  .actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .text-link { text-align: center; }
  .facts,.steps,.campaign-grid,.proof-cards { grid-template-columns: 1fr; }
  .campaign-grid figure:last-child { grid-column: auto; max-width: none; }
  .facts dd { font-size: .86rem; }
  .steps li { min-height: auto; }
  .feature-list article { grid-template-columns: 43px 1fr; }
  .cta-box { width: calc(100% - 20px); padding: 34px 24px; border-radius: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-disclosure { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}
@media (max-width: 940px) { .frequency-cards { grid-template-columns: 1fr; } .frequency-card { min-height: auto; } }
@media (max-width: 640px) { .frequency-card { grid-template-columns: 44px 1fr; padding: 24px 19px; } .frequency-card > span { width: 42px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition: none !important; } }

/* September 2026 buying-guide layout; matches the three medicube Pins. */
:root {
  --ink: #173a32;
  --ink-soft: #4d665c;
  --plum: #173a32;
  --plum-dark: #102b25;
  --berry: #3f7160;
  --coral: #9dc8b1;
  --blush: #eaf2ec;
  --cream: #fbf8f1;
  --paper: #fffdf9;
  --sage: #e1ece5;
  --line: #d8e5dc;
  --shadow: 0 20px 52px rgba(23,58,50,.12);
}
.brand-icon { border-top-color: #9dc8b1; }
.site-header { border-bottom-color: #d8e5dc; }
.hero { padding: clamp(48px,6vw,78px) 0; background: radial-gradient(circle at 92% 12%,rgba(157,200,177,.35),transparent 28%),linear-gradient(145deg,#fbf8f1,#eaf2ec); }
.hero-grid { grid-template-columns: minmax(0,1.12fr) minmax(320px,.72fr); gap: clamp(38px,5vw,70px); align-items: start; }
.hero h1 { max-width: 780px; margin-bottom: 18px; font-size: clamp(2.8rem,5vw,4.9rem); }
.hero .lede { margin-bottom: 18px; color: #39584c; }
.mobile-format-visual { display: none; }
.hero-points { display: grid; gap: 10px; max-width: 650px; margin: 0 0 25px; padding-left: 23px; }
.hero-points li::marker { color: #3f7160; }
.hero-points strong { color: #173a32; }
.hero-summary { padding: 35px; border: 1px solid var(--line); border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.hero-format-visual { margin: -13px -13px 25px; }
.hero-format-visual img { width: 100%; border-radius: 22px; }
.hero-format-visual figcaption { margin: 9px 13px 0; color: var(--ink-soft); font-size: .76rem; line-height: 1.45; }
.summary-label { margin: 0 0 20px; color: var(--berry); font-size: .76rem; font-weight: 900; letter-spacing: .12em; }
.summary-row { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 16px 0; border-top: 1px solid var(--line); }
.summary-row span { color: var(--ink-soft); }
.summary-row strong { text-align: right; }
.summary-note { margin: 22px 0 0; color: var(--ink-soft); font-size: .88rem; }
.jump-section { padding: 48px 0 56px; background: #fff; }
.jump-section h2 { margin-bottom: 26px; font-size: clamp(1.8rem,3vw,2.6rem); }
.jump-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.jump-grid a { display: grid; gap: 9px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: var(--cream); text-decoration: none; transition: transform .2s ease,box-shadow .2s ease; }
.jump-grid a:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.jump-grid span { color: var(--berry); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.jump-grid strong { font-size: 1.28rem; line-height: 1.25; }
.jump-grid small { color: var(--ink-soft); font-size: .88rem; }
.section { padding: clamp(62px,7vw,92px) 0; }
.section-grid { display: grid; grid-template-columns: minmax(0,.88fr) minmax(0,1.12fr); gap: clamp(38px,6vw,84px); align-items: start; }
.section-grid h2 { font-size: clamp(2.3rem,4vw,3.6rem); }
.section-lede { color: var(--ink-soft); font-size: 1.1rem; }
.fit-section { background: #eaf2ec; }
.fit-callout { margin-top: 20px; padding: 19px 22px; border: 1px solid #c7dbce; border-radius: 18px; background: #fff; }
.fit-callout strong { display: block; margin-bottom: 4px; }
.fit-callout p { margin: 0; color: var(--ink-soft); }
.soft-callout { background: #fbf8f1; }
.check-list,.buy-list { margin: 0; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 25px 0; border-bottom: 1px solid #c9d9cf; }
.check-list li:first-child { padding-top: 0; }
.check-list span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: #fff; background: var(--berry); font-weight: 900; }
.check-list strong { font-size: 1.18rem; }
.check-list p { margin: 5px 0 0; color: var(--ink-soft); }
.buy-section { background: #fff; }
.buy-list { padding: 10px 30px; border: 1px solid var(--line); border-radius: 26px; background: var(--cream); }
.buy-list li { display: grid; grid-template-columns: 46px 1fr; gap: 15px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.buy-list li:last-child { border: 0; }
.buy-list span { color: var(--berry); font-weight: 900; }
.buy-list strong,.buy-list small { display: block; }
.buy-list small { margin-top: 2px; color: var(--ink-soft); font-size: .92rem; }
.how-section { background: var(--cream); }
.how-grid { grid-template-columns: minmax(0,1fr) minmax(300px,.78fr); align-items: center; }
.how-grid p:not(.eyebrow) { color: var(--ink-soft); }
.guide-image { width: min(100%,370px); margin: 0 auto; overflow: hidden; border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.guide-image img { width: 100%; height: 430px; object-fit: cover; object-position: top; }
.guide-image figcaption { padding: 13px 18px; color: var(--ink-soft); font-size: .8rem; }
.facts-section { background: #fff; }
.facts-section h2 { max-width: 720px; font-size: clamp(2.3rem,4vw,3.6rem); }
.fact-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin-top: 28px; }
.fact-grid article { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--blush); }
.fact-grid span { color: var(--berry); font-weight: 900; }
.fact-grid h3 { margin: 16px 0 9px; }
.fact-grid p,.fact-note { color: var(--ink-soft); }
.fact-note { margin: 25px 0 0; }
.frequency-brief { background: #eaf2ec; }
.frequency-brief h2 { max-width: 780px; font-size: clamp(2.3rem,4vw,3.6rem); }
.frequency-brief > .shell > .section-lede { max-width: 780px; }
.frequency-brief-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin-top: 28px; }
.frequency-brief-grid article { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.frequency-brief-grid strong { font-size: 1.1rem; }
.frequency-brief-grid p { margin-bottom: 0; color: var(--ink-soft); }
.frequency-detail { margin-top: 28px; border-top: 1px solid #c9d9cf; border-bottom: 1px solid #c9d9cf; }
.frequency-detail summary { padding: 20px 42px 20px 0; }
.frequency-guide-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; padding: 4px 0 24px; }
.frequency-guide-grid figure { margin: 0; overflow: hidden; border-radius: 18px; background: #fff; }
.frequency-guide-grid img { width: 100%; }
.frequency-guide-grid figcaption { padding: 12px 16px; color: var(--ink-soft); font-size: .86rem; }
.faq-section { background: var(--cream); }
.sources-section { background: #eaf2ec; }
.cta { padding-top: 64px; }
.cta-box { background: var(--plum-dark); }
.cta-box p { color: #d7e9df; }
.button-light { color: var(--plum-dark); background: #c5e0cf; }
.button-light:hover { background: #d7eadc; }
footer { background: #102b25; }
@media (max-width: 940px) {
  .hero-grid,.section-grid,.how-grid { grid-template-columns: 1fr; }
  .hero-summary { max-width: 650px; }
}
@media (max-width: 640px) {
  .hero { padding: 36px 0 42px; }
  .hero h1 { font-size: clamp(2.4rem,10.5vw,3.3rem); }
  .hero-points { font-size: .94rem; }
  .hero-points li:nth-child(2) { display: none; }
  .mobile-format-visual { display: block; margin: 8px 0 18px; overflow: hidden; border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
  .mobile-format-visual img { width: 100%; height: 120px; object-fit: cover; object-position: center 49%; }
  .mobile-format-visual figcaption { padding: 7px 13px 9px; color: var(--ink-soft); font-size: .72rem; }
  .hero-summary .hero-format-visual { display: none; }
  .hero-summary { padding: 24px; }
  .jump-grid,.fact-grid,.frequency-brief-grid,.frequency-guide-grid { grid-template-columns: 1fr; }
  .jump-section { padding: 38px 0; }
  .jump-grid a { padding: 18px 20px; }
  .section { padding: 58px 0; }
  .buy-list { padding: 7px 20px; }
  .guide-image { max-width: 300px; }
  .guide-image img { height: 350px; }
}