@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
:root{--ink:#173d36;--green:#0a5147;--line:#dce5df;--muted:#51645e;--paper:#fafbf8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 'DM Sans',Arial,sans-serif}a{color:inherit;text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid #b77018;outline-offset:5px}header{height:96px;display:flex;align-items:center;gap:30px;padding:0 6%;border-bottom:1px solid var(--line);background:var(--paper)}.brand{display:flex;align-items:center;text-decoration:none;font-size:24px;font-weight:700;letter-spacing:-1px;white-space:nowrap}.brand-light{font-weight:400}.mark{background:var(--green);color:white;border-radius:50%;display:inline-flex;justify-content:center;align-items:center;width:34px;height:34px;font:32px Georgia,serif;margin-right:10px;padding-bottom:4px}nav{display:flex;gap:28px;margin:auto;font-size:14px}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.nav-cta{font-size:14px;font-weight:600;text-decoration:none;border-bottom:1px solid;padding:6px 0}.nav-cta span{margin-left:14px}.hero{display:grid;grid-template-columns:1.05fr 1fr;padding:62px 6% 65px;gap:7%;align-items:center}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;margin:0 0 22px}h1,h2,.image-note p{font-family:'Libre Caslon Display',Georgia,serif;font-weight:400;letter-spacing:-1.6px;line-height:1.04}h1{font-size:clamp(52px,5.8vw,85px);margin:0 0 26px}h1 em{font-style:normal;color:#427e66}h2{font-size:clamp(38px,4vw,56px);margin:0 0 22px}.lead{font-size:17px;line-height:1.75;max-width:420px;color:var(--muted);margin-bottom:30px}.button{background:var(--green);color:white;display:inline-flex;align-items:center;justify-content:space-between;gap:26px;padding:16px 23px;text-decoration:none;font-size:14px;font-weight:600;border-radius:4px;min-height:52px}.button:hover{background:#163f34}.hero-note{font-size:13px;color:var(--muted);margin-top:24px}.hero-image{position:relative;height:560px;border-radius:130px 8px 8px 8px;overflow:hidden;background:#285548}.hero-image img{width:100%;height:100%;object-fit:cover}.hero-image:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(3,31,23,.8))}.image-note{position:absolute;bottom:35px;left:35px;right:25px;color:white;z-index:1}.small-label{font-size:11px;letter-spacing:1.8px}.image-note p{font-size:42px;line-height:1.1;margin:17px 0 0}.intro-strip{display:grid;grid-template-columns:1fr 1.25fr;gap:10%;background:#eaf1e9;padding:32px 6%;font-size:16px}.intro-strip p{margin:0}.intro-strip strong{display:block}.section{padding:82px 6%}.section-heading{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:36px}.section-heading>p{max-width:380px;color:var(--muted);margin:0 0 20px}.sign-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.sign-grid article{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.number{font-size:13px;color:#577568}h3{font-size:19px;line-height:1.35;margin:18px 0 12px;font-weight:500}.sign-grid p,.screen-grid p{color:var(--muted);margin:0;font-size:15px}.callout{display:flex;gap:24px;padding:23px 26px;background:#edf2e9;margin-top:24px;font-size:15px}.callout strong{white-space:nowrap}.source{font-size:12px;color:var(--muted);margin-top:24px}.prevention{background:#113f35;color:white;display:grid;grid-template-columns:1fr 1.25fr;gap:10%}.prevention-title>p:last-child{color:#d0ded8;max-width:330px}.prevention-list article{display:flex;gap:26px;border-bottom:1px solid #396256;padding:20px 0}.prevention-list article:first-child{padding-top:0}.prevention-list article>span{font-size:12px;padding-top:5px;color:#b3d1c3}.prevention-list h3{margin:0 0 8px}.prevention-list p{margin:0;color:#d0ded8;font-size:15px}.prevention .source{margin-top:28px;font-size:12px}.screen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.screen-grid article{border:1px solid var(--line);padding:25px 23px;border-radius:6px}.pill{font-size:11px;letter-spacing:1.4px;font-weight:700;color:#2b6553}.screen-grid h3{margin-top:28px}.screen-note{padding:25px 30px;background:#edf2e9;margin-top:26px}.screen-note h3{margin:0 0 8px}.screen-note p{font-size:15px;margin:0;max-width:920px}.myths{background:#f0f3ee;display:grid;grid-template-columns:1fr 1.25fr;gap:8%}.myths-title>p:last-child{color:var(--muted)}details{border-bottom:1px solid #ccd8ce;padding:22px 0}details:first-child{padding-top:0}summary{cursor:pointer;list-style:none;font-size:18px;position:relative;padding-right:35px;line-height:1.5}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:0;font-size:24px;top:-5px}details[open] summary:after{content:'−'}details p{color:var(--muted);font-size:15px;max-width:520px;margin:16px 0 0}.closing{text-align:center;padding:76px 6%;background:#dae8d3}.closing h2{font-size:60px}.closing>p:not(.eyebrow){color:var(--muted);margin:25px 0}.light{background:var(--green)}footer{padding:42px 6%;display:flex;gap:24px;align-items:center;flex-wrap:wrap}footer>p{font-size:13px;color:var(--muted)}footer>div{width:100%;border-top:1px solid var(--line);padding-top:20px;font-size:12px;color:var(--muted)}footer>div p{margin:4px 0}footer>a:last-child{font-size:13px}.skip{position:absolute;left:10px;top:-60px;background:white;padding:8px;z-index:9}.skip:focus{top:10px}@media(min-width:1500px){body{max-width:1600px;margin:auto}}@media(max-width:1000px){header{gap:20px}nav{gap:15px}.nav-cta{display:none}.hero{gap:5%}.hero-image{height:510px}.screen-grid{grid-template-columns:repeat(2,1fr)}.section-heading{align-items:start}.section-heading>p{max-width:300px}.brand{font-size:21px}}@media(max-width:700px){header{height:auto;min-height:85px;padding:20px 6%;flex-wrap:wrap;gap:18px}nav{width:100%;margin:0;justify-content:space-between;gap:10px;font-size:12px}.hero{grid-template-columns:1fr;padding-top:38px;gap:25px}.hero h1{font-size:59px}.hero-image{height:330px;border-radius:80px 6px 6px 6px}.hero-note{margin-bottom:0}.image-note p{font-size:34px}.intro-strip{grid-template-columns:1fr;gap:20px;padding-top:28px;padding-bottom:28px}.section{padding:52px 6%}.section-heading{display:block;margin-bottom:26px}.section-heading>p{max-width:none}.sign-grid{grid-template-columns:repeat(2,1fr)}.sign-grid article{padding:21px 17px}.sign-grid h3{font-size:18px}.callout{display:block}.callout strong{display:block;margin-bottom:7px}.prevention,.myths{grid-template-columns:1fr;gap:30px}.prevention-title>p:last-child{max-width:none}.screen-grid{gap:12px}.screen-grid article{padding:22px 17px}.screen-grid h3{font-size:18px}.closing{padding:55px 6%}.closing h2{font-size:45px}footer{gap:10px}footer>p{width:100%;margin:0 0 15px}.eyebrow{font-size:11px}h2{letter-spacing:-1px}}@media(max-width:380px){.hero h1{font-size:50px}.sign-grid,.screen-grid{grid-template-columns:1fr}nav{flex-wrap:wrap;justify-content:start;gap:12px 20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Responsive layout: retain the original palette, typefaces, imagery and content. */
:root { --page-gutter: 6%; }
[hidden] { display: none !important; }
html { scroll-padding-top: 2rem; -webkit-text-size-adjust: 100%; }
body { font-size: 1rem; }
button { font: inherit; }
a, button, summary { -webkit-tap-highlight-color: rgba(10, 81, 71, .12); }
button:focus-visible { outline: 3px solid #b77018; outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, summary { overflow-wrap: break-word; }
section, article, .hero-copy, .navigation-panel, .prevention-list, .faq, .section-heading > div { min-width: 0; }
header, .hero, .intro-strip, .section, .closing, footer {
  padding-left: max(var(--page-gutter), env(safe-area-inset-left));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right));
}

/* The symbol and complete wordmark are two stable, non-shrinking items. */
.site-header { height: auto; min-height: 6rem; flex-wrap: wrap; gap: 1.5rem 2rem; padding-top: 1rem; padding-bottom: 1rem; }
.brand { display: inline-flex; flex: 0 0 auto; gap: .625rem; max-width: 100%; min-height: 2.75rem; font-size: 1.5rem; line-height: 1.2; letter-spacing: 0; }
.brand-wordmark { display: inline-block; letter-spacing: -.04em; white-space: nowrap; }
.mark { flex: 0 0 2.125rem; width: 2.125rem; height: 2.125rem; margin-right: 0; padding-bottom: .25rem; font: 2rem/1 Georgia, serif; }
.navigation-panel { display: flex; align-items: center; justify-content: space-between; flex: 1; gap: 1.5rem; }
nav { flex-wrap: wrap; align-items: center; justify-content: center; gap: .375rem 1.75rem; width: auto; margin: auto; font-size: .875rem; }
nav a { display: inline-flex; align-items: center; min-height: 2.75rem; line-height: 1.5; white-space: nowrap; }
.nav-cta { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: space-between; gap: .875rem; min-height: 2.75rem; padding: .375rem 0; font-size: .875rem; line-height: 1.5; white-space: nowrap; }
.nav-cta span { margin-left: 0; }
.menu-toggle { display: none; align-items: center; justify-content: center; gap: .5rem; min-height: 2.75rem; margin-left: auto; padding: .625rem .75rem; border: 1px solid var(--line); border-radius: .375rem; background: transparent; color: var(--ink); font-size: .9375rem; font-weight: 600; line-height: 1.25; cursor: pointer; }
.menu-toggle svg { flex: none; }
.menu-toggle:hover { background: #eaf1e9; }
.close-icon, .menu-toggle[aria-expanded="true"] .menu-icon { display: none; }
.menu-toggle[aria-expanded="true"] .close-icon { display: block; }

/* Flexible tracks and readable type prevent text from forcing overflow. */
.hero { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
h1, h2, .image-note p { letter-spacing: -.025em; line-height: 1.08; }
h1 { font-size: clamp(3.25rem, 5.8vw, 5.3125rem); }
h2 { font-size: clamp(2.375rem, 4vw, 3.5rem); }
h3 { font-size: 1.1875rem; line-height: 1.4; }
.eyebrow { font-size: .75rem; letter-spacing: .125em; line-height: 1.6; }
.lead { font-size: 1.0625rem; }
.button { gap: 1.625rem; max-width: 100%; min-height: 3.25rem; padding: 1rem 1.4375rem; font-size: 1rem; line-height: 1.5; }
.button span { flex-shrink: 0; }
.hero-note { font-size: .875rem; }
.hero-image { display: grid; height: auto; min-height: 35rem; }
.hero-image img { position: absolute; inset: 0; }
.image-note { position: relative; align-self: end; bottom: auto; left: auto; right: auto; padding: 2.1875rem; }
.small-label { font-size: .75rem; letter-spacing: .125em; line-height: 1.6; }
.image-note p { font-size: 2.625rem; line-height: 1.1; }
.intro-strip { grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); font-size: 1rem; }
.sign-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sign-grid p, .screen-grid p, .prevention-list p, .screen-note p, details p { font-size: 1rem; }
.number { font-size: .8125rem; }
.callout { font-size: 1rem; }
.callout strong { flex-shrink: 0; white-space: normal; }
.source, .prevention .source { font-size: .8125rem; overflow-wrap: anywhere; }
.prevention, .myths { grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); }
.prevention-list article > span { flex-shrink: 0; font-size: .8125rem; }
.prevention-list article > div { min-width: 0; }
.screen-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pill { font-size: .75rem; letter-spacing: .1em; }
summary { min-height: 2.75rem; padding: .5rem 2.5rem .5rem 0; font-size: 1.125rem; }
summary::after { font-size: 1.5rem; line-height: 1.5; top: .25rem; }
.closing h2 { font-size: 3.75rem; }
footer { padding-bottom: max(2.625rem, env(safe-area-inset-bottom)); }
footer > p { font-size: .875rem; }
footer > div { min-width: 0; font-size: .8125rem; }
footer > a:last-child { display: inline-flex; align-items: center; min-height: 2.75rem; font-size: .875rem; }
.skip { top: -10rem; max-width: calc(100% - 1.25rem); }

/* One navigation list: a disclosure on phones and tablets, a row on desktop.
   Without JavaScript the full list remains visible and usable. */
@media (max-width: 64rem) {
  .site-header { min-height: 5rem; gap: 1rem; }
  .brand { font-size: min(1.375rem, 6vw); gap: min(.625rem, 2.5vw); }
  .mark { flex-basis: min(2.125rem, 9vw); width: min(2.125rem, 9vw); height: min(2.125rem, 9vw); font-size: min(2rem, 8.5vw); padding-bottom: min(.25rem, 1vw); }
  .menu-toggle { display: inline-flex; }
  .navigation-panel { flex: 0 0 100%; flex-direction: column; align-items: stretch; gap: .75rem; border-top: 1px solid var(--line); padding-top: .75rem; }
  nav { flex-direction: column; align-items: stretch; gap: .25rem; width: 100%; margin: 0; font-size: 1rem; }
  nav a { min-height: 3rem; padding: .75rem 1rem; border-radius: .375rem; white-space: normal; overflow-wrap: anywhere; }
  nav a:hover { background: #eaf1e9; }
  .nav-cta { align-self: flex-start; min-height: 3rem; margin: .25rem 1rem; font-size: 1rem; white-space: normal; }
  .hero { gap: 5%; }
  .hero-image { min-height: 31.875rem; }
  .screen-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-heading { align-items: flex-start; gap: 2rem; }
}

@media (max-width: 56.25rem) {
  .sign-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { grid-template-columns: 1fr; row-gap: 2rem; }
  .hero-copy { max-width: 38rem; }
  .hero-image { min-height: 25rem; }
  .lead { max-width: 34rem; }
  .prevention, .myths { grid-template-columns: 1fr; gap: 2rem; }
  .prevention-title > p:last-child { max-width: 38rem; }
  .section-heading { display: block; }
  .section-heading > p { max-width: 38rem; margin-bottom: 0; }
}

@media (max-width: 43.75rem) {
  :root { --page-gutter: clamp(1.25rem, 6vw, 2.5rem); }
  .site-header { padding-top: 1rem; padding-bottom: 1rem; gap: .875rem .75rem; }
  .hero { padding-top: 2.375rem; padding-bottom: 3rem; row-gap: 1.75rem; }
  .hero h1 { font-size: clamp(2.375rem, 10.25vw, 3.625rem); line-height: 1.1; margin-bottom: 1.5rem; }
  h2 { font-size: clamp(2rem, 8.5vw, 2.625rem); line-height: 1.15; }
  .eyebrow { margin-bottom: 1.125rem; }
  .lead { font-size: 1rem; line-height: 1.75; margin: 0 0 1.5rem; }
  .button { gap: 1rem; padding: 1rem 1.25rem; }
  .hero-note { margin-top: 1.25rem; }
  .hero-image { min-height: 20.625rem; border-radius: 5rem .375rem .375rem .375rem; }
  .image-note { padding: 1.5rem; }
  .image-note p { font-size: clamp(1.875rem, 8vw, 2.375rem); line-height: 1.15; }
  .intro-strip { grid-template-columns: 1fr; gap: 1.25rem; padding-top: 1.75rem; padding-bottom: 1.75rem; }
  .section { padding-top: 3.25rem; padding-bottom: 3.25rem; }
  .section-heading { margin-bottom: 1.625rem; }
  .sign-grid article { padding: 1.5rem 1.25rem; }
  .sign-grid h3, .screen-grid h3 { font-size: 1.1875rem; }
  .callout { display: block; padding: 1.25rem; }
  .callout strong { display: block; margin-bottom: .5rem; }
  .prevention, .myths { gap: 1.875rem; }
  .prevention-list article { gap: 1rem; padding: 1.5rem 0; }
  .screen-grid { gap: 1rem; }
  .screen-grid article { padding: 1.5rem 1.25rem; }
  .screen-grid h3 { margin-top: 1rem; }
  .screen-note { padding: 1.25rem; }
  .closing { padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .closing h2 { font-size: clamp(2rem, 8.5vw, 2.8125rem); line-height: 1.15; }
  footer { gap: .875rem; }
  footer > p { width: 100%; margin: 0 0 .5rem; }
  footer > div p + p { margin-top: .75rem; }
}

@media (max-width: 37.5rem) {
  .sign-grid, .screen-grid { grid-template-columns: 1fr; }
  .button { width: 100%; }
}

/* Editorial and review information extends the existing calm, green design. */
.trust-section { padding-top: 4.5rem; padding-bottom: 3.5rem; }
.trust-intro { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; gap: clamp(2rem, 5vw, 5rem); }
.trust-section p { font-size: 1rem; line-height: 1.75; color: var(--muted); margin: 0; }
.trust-section h2 { font-size: clamp(1.875rem, 3vw, 2.5rem); line-height: 1.2; margin: 0 0 1.25rem; }
.medical-reviewer { padding: 1.75rem; border: 1px solid var(--line); border-radius: .375rem; background: #eaf1e9; }
.medical-reviewer h2 { font-family: 'DM Sans', Arial, sans-serif; font-size: .9375rem; font-weight: 600; letter-spacing: 0; line-height: 1.5; margin-bottom: 1rem; }
.medical-reviewer .reviewer-name { font-size: 1.375rem; font-weight: 500; color: var(--ink); line-height: 1.4; margin-bottom: .5rem; }
.medical-reviewer .review-date { font-size: .875rem; margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid #ccd8ce; }
.medical-sources { margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.medical-sources p { max-width: 75ch; }
.medical-sources .affiliation-note { margin-top: 1rem; font-size: .9375rem; }
.medical-disclaimer { margin-top: 2.5rem; padding: 1.75rem 2rem; border-left: 3px solid #427e66; background: #f0f3ee; }
.medical-sources h2, .medical-disclaimer h2 { font-size: 1.75rem; }
.medical-disclaimer p { max-width: 85ch; }
@media (max-width: 56.25rem) {
  .trust-intro { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
}
@media (max-width: 43.75rem) {
  .trust-section { padding-top: 3.25rem; padding-bottom: 2.5rem; }
  .medical-reviewer { padding: 1.5rem; }
  .medical-sources { margin-top: 2.25rem; padding-top: 2rem; }
  .medical-disclaimer { margin-top: 2rem; padding: 1.5rem 1.25rem; }
}