:root {
  --ink: #0f172a;
  --text: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f8fafc;
  --green: #059669;
  --green-dark: #047857;
  --green-soft: #ecfdf5;
  --navy: #020617;
  --amber-soft: #fffbeb;
  --amber-line: #fde68a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: #fff; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: inherit; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.container.narrow { width: min(850px, calc(100% - 40px)); }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(226,232,240,.9); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.2rem; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand strong { color: var(--green); }
.brand-mark { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: white; background: var(--green); font-size: .7rem; box-shadow: 0 6px 20px rgba(5,150,105,.18); }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav a, .header-cta { color: #475569; font-size: .9rem; font-weight: 700; text-decoration: none; }
.main-nav a:hover { color: var(--green-dark); }
.header-cta { border: 1px solid #a7f3d0; border-radius: 999px; background: var(--green-soft); color: #065f46; padding: 9px 15px; }

.hero { position: relative; overflow: hidden; color: white; background: var(--navy) url('/images/hero-bg.jpg') center/cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(125deg, rgba(2,44,34,.95), rgba(2,6,23,.95) 50%, rgba(2,6,23,.9)); }
.hero-content { position: relative; padding-block: 84px 76px; }
.hero-badge, .eyebrow { display: inline-block; color: var(--green-dark); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.hero-badge { color: #6ee7b7; border: 1px solid rgba(110,231,183,.22); border-radius: 999px; padding: 7px 12px; background: rgba(16,185,129,.08); }
.hero h1 { max-width: 900px; margin: 22px 0 0; color: white; font-size: clamp(2.7rem, 7vw, 5.2rem); line-height: .98; letter-spacing: -.055em; }
.hero h1 em { color: #34d399; font-style: normal; }
.hero > * { position: relative; }
.hero-content > p { max-width: 770px; margin: 24px 0 0; color: #cbd5e1; font-size: 1.12rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 12px 20px; font-weight: 800; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { color: white; background: var(--green); }
.button.primary:hover { background: var(--green-dark); }
.button.secondary { color: white; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 900px; margin-top: 48px; }
.trust-grid > div { border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 18px; background: rgba(255,255,255,.05); }
.trust-grid strong { display: block; color: white; margin-bottom: 6px; }
.trust-grid span { display: block; color: #94a3b8; font-size: .87rem; line-height: 1.55; }

.section { padding-block: 76px; }
.section-muted { background: var(--soft); }
.section-title { max-width: 800px; margin: 8px 0 0; color: var(--ink); font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.1; letter-spacing: -.035em; }
.section-title.compact { font-size: 2rem; }
.section-lead { max-width: 780px; margin: 15px 0 0; color: #64748b; font-size: 1.05rem; line-height: 1.75; }
.center-heading { max-width: 820px; margin: 0 auto; text-align: center; }
.center-heading .section-title, .center-heading .section-lead { margin-inline: auto; }
.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.grid { display: grid; gap: 20px; margin-top: 30px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 22px; background: #fff; padding: 24px; box-shadow: 0 1px 1px rgba(15,23,42,.02); }
.section:not(.section-muted) .card { background: var(--soft); }
.card h3 { margin: 9px 0 0; color: var(--ink); font-size: 1.15rem; line-height: 1.35; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { color: var(--green-dark); }
.card p { flex: 1; margin: 10px 0 0; color: #64748b; font-size: .92rem; line-height: 1.7; }
.text-link { display: inline-block; margin-top: 15px; color: var(--green-dark); font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #fff; }
.product-image { display: grid; place-items: center; height: 235px; padding: 22px; }
.product-image img { width: 100%; height: 100%; object-fit: contain; }
.product-copy { border-top: 1px solid #f1f5f9; padding: 24px; }
.product-copy h3 { margin: 7px 0 0; color: var(--ink); font-size: 1.65rem; }
.product-copy p { margin: 10px 0 0; font-size: .92rem; line-height: 1.7; }
.editorial-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: start; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.check-grid div { border: 1px solid var(--line); border-radius: 18px; padding: 18px; color: #334155; font-weight: 700; font-size: .9rem; }

.page-hero { color: white; background: var(--navy); padding-block: 68px; }
.page-hero h1, .content-hero h1 { margin: 10px 0 0; color: inherit; font-size: clamp(2.35rem, 6vw, 4.3rem); line-height: 1.05; letter-spacing: -.045em; }
.page-hero p { max-width: 760px; margin: 18px 0 0; color: #cbd5e1; font-size: 1.08rem; line-height: 1.75; }
.eyebrow.light { color: #6ee7b7; }

.content-hero { border-bottom: 1px solid var(--line); background: var(--soft); padding-block: 50px; }
.breadcrumbs { margin-bottom: 22px; color: #64748b; font-size: .88rem; font-weight: 700; }
.breadcrumbs a { color: #475569; text-decoration: none; }
.breadcrumbs span { margin-inline: 7px; color: #94a3b8; }
.content-hero h1 { color: var(--ink); font-size: clamp(2.25rem, 5vw, 3.8rem); }
.dek { margin: 18px 0 0; color: #64748b; font-size: 1.1rem; line-height: 1.75; }
.byline { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 20px; color: #64748b; font-size: .88rem; }
.byline strong { color: #334155; }
.content-section { padding-block: 52px 74px; }
.article-content { color: #334155; font-size: 1.03rem; line-height: 1.86; }
.article-content > *:first-child { margin-top: 0; }
.article-content h2 { margin: 2.5rem 0 .8rem; color: var(--ink); font-size: 1.72rem; line-height: 1.23; letter-spacing: -.025em; }
.article-content h3 { margin: 2rem 0 .65rem; color: var(--ink); font-size: 1.28rem; line-height: 1.3; }
.article-content p { margin: 1rem 0; }
.article-content ul, .article-content ol { margin: 1rem 0; padding-left: 1.45rem; }
.article-content li { margin: .42rem 0; }
.article-content strong { color: #1e293b; }
.article-content a { color: var(--green-dark); font-weight: 650; text-underline-offset: 3px; }
.article-content blockquote { margin: 1.5rem 0; border-left: 4px solid #10b981; border-radius: 0 14px 14px 0; background: var(--green-soft); padding: 15px 19px; }
.article-content code { border-radius: 5px; background: #f1f5f9; padding: 2px 5px; font-size: .9em; }
.review-offer { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: center; margin-bottom: 36px; border: 1px solid var(--line); border-radius: 26px; background: var(--soft); padding: 24px; }
.review-product-image { display: grid; place-items: center; height: 190px; border-radius: 18px; background: #fff; padding: 14px; }
.review-product-image img { width: 100%; height: 100%; object-fit: contain; }
.review-offer h2 { margin: 7px 0 0; color: var(--ink); font-size: 1.5rem; line-height: 1.25; }
.review-offer p { margin: 10px 0 18px; font-size: .92rem; line-height: 1.7; }
.sources-box { margin-top: 42px; border: 1px solid var(--line); border-radius: 24px; background: var(--soft); padding: 24px; }
.sources-box h2 { margin: 0; color: var(--ink); font-size: 1.3rem; }
.sources-box p { margin: 8px 0 0; font-size: .9rem; }
.sources-box ul { margin: 16px 0 0; padding-left: 20px; }
.sources-box li { margin: 7px 0; }
.sources-box a { color: var(--green-dark); font-weight: 700; }
.health-note { margin-top: 24px; border: 1px solid var(--amber-line); border-radius: 18px; background: var(--amber-soft); padding: 17px; color: #78350f; font-size: .9rem; line-height: 1.7; }
.related { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 34px; }
.related > h2 { margin: 0; color: var(--ink); font-size: 1.7rem; }
.not-found { padding-block: 110px; text-align: center; }
.not-found h1 { color: var(--ink); font-size: 3rem; margin: 8px 0 0; }
.not-found p { margin-bottom: 25px; }

.site-footer { color: #94a3b8; background: var(--navy); padding-block: 54px 34px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.brand-footer { color: white; }
.footer-intro { max-width: 390px; font-size: .88rem; line-height: 1.75; }
.footer-grid h2 { margin: 0 0 13px; color: white; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.footer-grid > div:not(:first-child) a { display: block; margin: 8px 0; color: #94a3b8; font-size: .86rem; text-decoration: none; }
.footer-grid a:hover { color: #6ee7b7 !important; }
.footer-fineprint { margin-top: 38px; border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; font-size: .75rem; line-height: 1.7; }
.footer-fineprint p { margin: 7px 0; }
.footer-fineprint strong { color: #cbd5e1; }

@media (max-width: 900px) {
  .header-cta { display: none; }
  .main-nav { gap: 14px; }
  .trust-grid, .grid-3, .footer-grid { grid-template-columns: 1fr 1fr; }
  .editorial-grid { grid-template-columns: 1fr; gap: 30px; }
  .review-offer { grid-template-columns: 180px 1fr; }
}

@media (max-width: 640px) {
  .container, .container.narrow { width: min(100% - 30px, 1180px); }
  .header-inner { min-height: 66px; flex-direction: column; align-items: flex-start; padding-block: 12px; }
  .main-nav { width: 100%; overflow-x: auto; gap: 18px; padding-bottom: 2px; white-space: nowrap; }
  .main-nav a { font-size: .82rem; }
  .hero-content { padding-block: 60px 52px; }
  .hero h1 { font-size: 3rem; }
  .trust-grid, .grid-2, .grid-3, .footer-grid, .check-grid { grid-template-columns: 1fr; }
  .section { padding-block: 58px; }
  .split-heading { align-items: flex-start; flex-direction: column; }
  .page-hero { padding-block: 52px; }
  .content-hero { padding-block: 38px; }
  .content-section { padding-block: 38px 56px; }
  .review-offer { grid-template-columns: 1fr; }
  .review-product-image { height: 210px; }
  .footer-grid { gap: 28px; }
}