:root{
  --teal:#2d7a7b;--teal-dark:#164f50;--teal-ink:#0e3c3d;--coral:#f19b73;
  --coral-dark:#cf6f48;--cream:#fffaf6;--sand:#f6eee8;--ink:#172425;--muted:#5e6d6d;
  --line:#dce8e7;--white:#fff;--shadow:0 14px 40px rgba(18,66,66,.12);
  --radius:20px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);line-height:1.67}
img{max-width:100%;height:auto}
a{color:var(--teal-dark);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--coral-dark)}
.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:16px;top:16px;z-index:9999;background:#fff;padding:10px;border-radius:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--max);margin:auto;padding:13px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:inset 0 -3px 0 rgba(0,0,0,.08)}
.nav{display:flex;align-items:center;gap:18px}.nav a{font-size:.93rem;font-weight:700;text-decoration:none;color:var(--ink)}.nav a:hover{color:var(--teal)}
.nav-cta{background:var(--coral);padding:9px 14px;border-radius:999px!important;color:var(--teal-ink)!important}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 11px;font-weight:800}
main{max-width:var(--max);margin:0 auto;padding:0 24px 70px}
.breadcrumbs{font-size:.84rem;color:var(--muted);padding:22px 0 0}.breadcrumbs a{color:var(--muted)}
section{padding:54px 0}.hero{padding-top:50px}.article-hero{padding-bottom:32px}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
h1,h2,h3{color:var(--ink);line-height:1.12;letter-spacing:-.035em;margin-top:0}h1{font-size:clamp(2.5rem,6vw,5.4rem);margin-bottom:20px}h2{font-size:clamp(1.8rem,3.5vw,3rem);margin-bottom:20px}h3{font-size:1.25rem}
.article-hero h1{font-size:clamp(2.45rem,5vw,4.5rem)}
.lede{font-size:clamp(1.1rem,2vw,1.33rem);color:#445656;max-width:780px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;color:var(--teal);font-size:.78rem;font-weight:900;margin-bottom:12px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--coral);color:var(--teal-ink);border:0;border-radius:999px;padding:14px 20px;font-weight:900;text-decoration:none;box-shadow:0 10px 24px rgba(207,111,72,.16);transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);color:var(--teal-ink);box-shadow:0 13px 30px rgba(207,111,72,.22)}
.btn-secondary{background:var(--teal);color:#fff}.btn-secondary:hover{color:#fff}
.product-image{border-radius:28px;box-shadow:var(--shadow);display:block}.product-image-link{display:block;text-decoration:none}
.microcopy,.source-note{font-size:.84rem;color:var(--muted);margin-top:12px}
.evidence-note{background:#eaf4f3;border-left:5px solid var(--teal);padding:18px 20px;border-radius:12px;margin:6px 0 20px}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 8px 24px rgba(18,66,66,.06)}.internal-card{text-decoration:none;color:var(--ink)}.internal-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);color:var(--ink)}.card span{display:block;color:var(--teal);font-weight:900;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.soft{background:var(--cream);border:1px solid #f2ded2;border-radius:28px;padding:36px;margin:26px 0}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill-row a{display:inline-flex;padding:9px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:#fff;font-weight:700}
.scoreless-summary{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.scoreless-summary div{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.scoreless-summary strong,.scoreless-summary span{display:block}.scoreless-summary strong{font-size:.8rem;color:var(--teal);text-transform:uppercase;letter-spacing:.06em}.scoreless-summary span{margin-top:7px;font-weight:750}
.checklist,.caution-list,.steps,.source-list,.sitemap-list{padding-left:1.25rem}.checklist li,.caution-list li,.steps li,.source-list li,.sitemap-list li{margin:.65rem 0}.checklist li::marker{content:"✓  ";color:var(--teal);font-weight:900}.caution-list li::marker{content:"!  ";color:var(--coral-dark);font-weight:900}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}table{width:100%;border-collapse:collapse;min-width:720px;background:#fff}th,td{text-align:left;padding:15px 16px;border-bottom:1px solid var(--line);vertical-align:top}thead th{background:#edf7f6;color:var(--teal-ink);font-size:.88rem}.comparison tbody th{width:27%;background:#fafcfc}
.ingredient-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.ingredient{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff}
.text-link{font-weight:850}.source-list a{word-break:break-word}
.sitewide-promo{max-width:var(--max);margin:0 auto 44px;padding:0 24px}.promo-inner{background:var(--teal-dark);color:#fff;border-radius:28px;padding:30px;display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:24px}.promo-inner img{width:110px;height:110px;object-fit:cover;border-radius:20px}.promo-inner h2{color:#fff;font-size:1.45rem;margin:0 0 6px}.promo-inner p{margin:0;color:#d9eeee}
.site-footer{background:#0f3435;color:#d7e5e5}.footer-inner{max-width:var(--max);margin:auto;padding:42px 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}.footer-grid h3{color:#fff}.footer-grid a{color:#d7e5e5}.footer-disclaimer{border-top:1px solid rgba(255,255,255,.15);margin-top:32px;padding-top:22px;font-size:.82rem;color:#b8cdcd}
.overlay{position:fixed;inset:0;z-index:1000;background:rgba(7,34,34,.92);display:none;align-items:center;justify-content:center;padding:20px}.overlay.open{display:flex}.overlay-card{position:relative;max-width:960px;width:100%;max-height:92vh;overflow:auto;background:var(--cream);border-radius:28px;box-shadow:0 24px 100px rgba(0,0,0,.35);display:grid;grid-template-columns:.9fr 1.1fr}.overlay-media{background:var(--teal);padding:26px;display:grid;place-items:center;border-radius:28px 0 0 28px}.overlay-media img{border-radius:20px;max-height:540px}.overlay-copy{padding:46px}.overlay-copy h2{font-size:clamp(2rem,4vw,3.4rem)}.overlay-close{position:absolute;right:14px;top:14px;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.4rem;cursor:pointer}
.overlay-badge{display:inline-block;background:#dff1ef;color:var(--teal-dark);border-radius:999px;padding:6px 10px;font-size:.75rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.no-scroll{overflow:hidden}
@media(max-width:980px){.card-grid{grid-template-columns:repeat(2,1fr)}.scoreless-summary{grid-template-columns:repeat(2,1fr)}.ingredient-grid{grid-template-columns:repeat(2,1fr)}.promo-inner{grid-template-columns:90px 1fr}.promo-inner .btn{grid-column:1/-1}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.header-inner{padding:11px 16px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:59px;background:#fff;border-bottom:1px solid var(--line);padding:18px 20px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:9px 0}.nav-cta{text-align:center}.two-col{grid-template-columns:1fr;gap:28px}.hero{padding-top:34px}.hero>div:last-child{order:-1}.article-hero.two-col>div:last-child{order:-1}.card-grid,.ingredient-grid,.scoreless-summary{grid-template-columns:1fr}main{padding:0 17px 54px}section{padding:39px 0}.soft{padding:25px 20px;border-radius:22px}.promo-inner{grid-template-columns:72px 1fr;padding:20px}.promo-inner img{width:72px;height:72px}.footer-grid{grid-template-columns:1fr}.overlay-card{grid-template-columns:1fr}.overlay-media{display:none}.overlay-copy{padding:36px 24px 28px}.overlay-copy .cta-row{flex-direction:column}.overlay-copy .btn{width:100%}h1{font-size:clamp(2.35rem,13vw,4rem)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}