:root{color-scheme:light;--color-bg: #f7f9fc;--color-surface: #ffffff;--color-text: #1a1f36;--color-muted: #505d72;--color-accent: #0066b2;--color-accent-dark: #004b87;--color-accent-light: #e6f2f9;--color-border: #d6dce6;--color-trust: #00539b;--shadow-soft: 0 8px 24px rgba(0, 83, 155, .08);--shadow-card: 0 4px 12px rgba(0, 83, 155, .06);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px}.prose{display:grid;gap:1.5rem;font-size:1.0625rem;line-height:1.75;color:var(--color-text)}.prose p{margin:0}.prose a{font-weight:500;color:var(--color-accent);text-decoration:underline;text-decoration-color:var(--color-accent-light);text-underline-offset:2px}.prose a:hover{color:var(--color-accent-dark);text-decoration-color:var(--color-accent-dark)}.prose h2,.prose h3{margin:0;font-size:clamp(1.5rem,2vw + 1rem,2rem);font-family:var(--font-heading);font-weight:600;color:var(--color-text)}.prose ul,.prose ol{margin:0;padding-left:1.2rem;display:grid;gap:.5rem}.prose strong{color:var(--color-text)}.guide-template{display:grid;gap:2.5rem}.guide-template header{display:grid;gap:1rem}.guide-body{display:grid;gap:2.5rem}.product-grid .grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.product-grid article h3{margin-top:0;margin-bottom:.5rem}.product-grid article p{color:var(--color-muted);font-size:.95rem}.last-updated{color:var(--color-muted);font-size:.9rem}.faq{display:grid;gap:1.5rem}.faq-list{display:grid;gap:1rem}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-card);padding:1.125rem 1.25rem;transition:border-color .2s ease,box-shadow .2s ease}.faq-item:hover{border-color:var(--color-accent);box-shadow:var(--shadow-soft)}.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;font-weight:600;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-answer{margin-top:.75rem;color:var(--color-muted);font-size:.95rem}.comparison-table{width:100%;border-collapse:collapse;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;background:var(--color-surface)}.comparison-table thead{background:var(--color-accent-light)}.comparison-table th,.comparison-table td{padding:1rem;border-bottom:1px solid var(--color-border);text-align:left}.comparison-table tr:last-child td{border-bottom:none}.comparison-highlights{display:grid;gap:1.25rem}.comparison-highlights>div{display:grid;gap:.5rem}.ingredient-overview{display:grid;gap:2rem}.ingredient-facts{display:grid;gap:1rem}.ingredient-highlights{display:grid;gap:.75rem}.myth-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.25rem;background:var(--color-surface);box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease}.myth-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}.toc-sidebar{position:sticky;top:120px;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.25rem;background:var(--color-surface);display:grid;gap:.75rem;box-shadow:var(--shadow-card)}.toc-sidebar h2{margin:0;font-size:1.05rem}.toc-sidebar nav{display:grid;gap:.5rem}.toc-sidebar a{color:var(--color-muted);font-size:.95rem}.toc-sidebar a:hover,.toc-sidebar a:focus{color:var(--color-text)}.layout-with-toc{display:grid;gap:2.5rem}@media(min-width:1024px){.layout-with-toc{grid-template-columns:260px 1fr;align-items:start}}.routine-builder{display:grid;gap:2rem}.routine-form{display:grid;gap:1.5rem}.routine-options{display:grid;gap:.75rem}.routine-result{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;background:var(--color-surface);display:grid;gap:1rem;box-shadow:var(--shadow-card)}.routine-step{border-radius:var(--radius-md);padding:1rem;background:var(--color-accent-light);border:1px solid var(--color-border)}.search-results{position:absolute;top:calc(100% + .35rem);left:0;right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:.75rem 0;display:none;z-index:10}.search-results.visible{display:flex;flex-direction:column;gap:.35rem}.search-results a{padding:.45rem 1rem;color:var(--color-text);font-size:.95rem}.search-results a:hover,.search-results a:focus{background:var(--color-accent-light);color:var(--color-accent-dark)}.nav-group{position:relative}.nav-trigger{background:none;border:none;color:var(--color-text);font:inherit;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:.25rem;padding:.25rem}.nav-trigger:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:4px}.nav-trigger:after{content:"▾";font-size:.65rem;color:var(--color-muted)}.nav-trigger:focus,.nav-trigger:hover{color:var(--color-accent)}.nav-panel{position:absolute;top:calc(100% + .5rem);left:0;min-width:220px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.75rem .5rem;display:none;flex-direction:column;gap:.35rem;box-shadow:var(--shadow-soft)}.nav-panel.open{display:flex}.nav-group.is-open .nav-panel,.nav-group:focus-within .nav-panel,.nav-group:hover .nav-panel{display:flex}.nav-panel a{padding:.45rem 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1rem,2.5rem);font-family:var(--font-heading);font-weight:600;color:var(--color-text);margin-bottom:.75rem;line-height:1.25}.section-subhead{color:var(--color-muted);margin-bottom:2rem;font-size:1.05rem;line-height:1.6}.toc{position:sticky;top:120px;padding:1rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;display:flex;flex-direction:column;gap:.75rem}.toc a{color:var(--color-muted);font-size:.95rem}.toc a:hover{color:var(--color-text)}.hero{display:grid;gap:2rem;padding:clamp(3rem,7vw,5rem) 0}.hero .stack{gap:1.5rem}.hero h1{font-size:clamp(2.5rem,4vw + 1rem,3.5rem);font-family:var(--font-heading);font-weight:700;line-height:1.15;margin:0;color:var(--color-text)}.hero p{color:var(--color-muted);font-size:1.15rem;line-height:1.65;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem}.hero-media{align-self:stretch;min-height:240px;border-radius:var(--radius-xl);background:linear-gradient(140deg,var(--color-accent-light),#d9eaf7);border:1px solid var(--color-border);position:relative;overflow:hidden;box-shadow:var(--shadow-card)}.hero-media ::slotted(*){position:absolute;inset:16px;border-radius:16px;object-fit:cover}.nav-shell{position:sticky;top:0;z-index:20;backdrop-filter:blur(16px) saturate(180%);background:#f7f9fcf0;border-bottom:1px solid var(--color-border);box-shadow:0 1px 3px #00539b0a}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:.9rem 0}.nav-links{display:flex;align-items:center;gap:1.25rem}.nav-links a{color:var(--color-text);font-weight:500;transition:color .2s ease}.nav-links a:hover,.nav-links a:focus{color:var(--color-accent);text-decoration:none}.logo{font-weight:600;font-size:1.125rem;color:var(--color-text);transition:color .2s ease}.logo:hover{color:var(--color-accent);text-decoration:none}.nav-search{flex:1;max-width:280px;position:relative}.nav-search input{width:100%;padding:.65rem 1rem;border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface);font-size:.95rem;transition:border-color .2s ease,box-shadow .2s ease}.nav-search input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.cta-bar{margin-top:4rem;padding:2.5rem;border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--color-accent-light),#d9eaf7);border:1px solid var(--color-border);display:flex;flex-direction:column;gap:1rem;box-shadow:var(--shadow-card)}.cta-bar h3{margin:0;font-family:var(--font-heading);font-weight:600;font-size:1.5rem;color:var(--color-text)}.footer{margin-top:4rem;padding:3rem 0;border-top:1px solid var(--color-border);background:#ffffff80;color:var(--color-muted);font-size:.95rem}.footer strong{color:var(--color-text);font-weight:600}.footer-links{display:flex;flex-wrap:wrap;gap:1.5rem}.footer-links a{color:var(--color-muted);transition:color .2s ease}.footer-links 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