/* VeinsNet — static site stylesheet */
:root{
  --navy:#0f3d4a;
  --teal:#1a7a6e;
  --teal-dark:#125a52;
  --amber:#e8912a;
  --bg:#fbfaf7;
  --card:#ffffff;
  --text:#25313a;
  --muted:#5b6b73;
  --border:#e3e0d8;
  --radius:10px;
  --maxw:1100px;
  font-size:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}
a{color:var(--teal-dark);text-decoration:underline}
a:hover{color:var(--amber)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* Header */
.site-header{background:var(--navy);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{color:#fff;font-weight:800;font-size:1.4rem;letter-spacing:.02em;text-decoration:none}
.main-nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0}
.main-nav a{color:#e7f1ef;text-decoration:none;font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--amber)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0}

/* Disclosure bar */
.disclosure-bar{background:#f1ece0;border-bottom:1px solid var(--border);font-size:.82rem;color:var(--muted)}
.disclosure-bar .wrap{padding:8px 20px}
.disclosure-bar a{color:var(--teal-dark)}

/* Breadcrumb */
.breadcrumb{font-size:.85rem;color:var(--muted);margin:18px auto 0}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--teal-dark)}

/* Article */
.content-wrap{padding:14px 20px 60px;max-width:820px}
h1{font-size:2rem;line-height:1.25;color:var(--navy);margin:10px 0 6px}
h2{font-size:1.45rem;color:var(--navy);margin:2.2em 0 .6em}
h3{font-size:1.15rem;color:var(--navy);margin:1.6em 0 .5em}
.byline{color:var(--muted);font-size:.85rem;margin:0 0 20px}
.hero-figure{margin:18px 0}
.hero-figure figcaption{font-size:.8rem;color:var(--muted);margin-top:6px;text-align:center}
.medical-note{background:#eef6f4;border-left:4px solid var(--teal);padding:12px 16px;font-size:.88rem;color:var(--muted);border-radius:6px;margin:18px 0}
.body-content p{margin:1em 0}
.body-content ul,.body-content ol{padding-left:1.3em}
.body-content li{margin:.4em 0}

/* Reviewed-date note */
.reviewed-note{font-size:.82rem;color:var(--muted);font-style:italic;margin:0 0 1.4em;padding-bottom:.8em;border-bottom:1px dashed var(--border)}

/* Product callout box */
.product-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin:28px 0;display:flex;gap:20px;align-items:flex-start;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.product-box img{width:120px;height:120px;object-fit:contain;background:#fff;border:1px solid var(--border);flex-shrink:0}
.product-box .pb-body{flex:1}
.product-box h4{margin:0 0 6px;font-size:1.05rem;color:var(--navy)}
.product-box p{margin:.4em 0;font-size:.92rem;color:var(--text)}
.pb-meta{font-size:.78rem;color:var(--muted);margin-bottom:8px}
.btn-amazon{display:inline-block;background:var(--amber);color:#1a1200;font-weight:700;padding:10px 20px;border-radius:6px;text-decoration:none;margin-top:8px;font-size:.92rem}
.btn-amazon:hover{background:#d17f1c;color:#1a1200}

/* Roundup grid */
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:24px 0}
.product-grid .product-box{flex-direction:column;text-align:center}
.product-grid .product-box img{width:100%;height:160px;margin:0 auto}

/* Comparison table */
.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--border);border-radius:var(--radius)}
.compare-table{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--card)}
.compare-table th,.compare-table td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
.compare-table th{background:var(--navy);color:#fff;font-weight:700;white-space:nowrap}
.compare-table tr:last-child td{border-bottom:none}
.compare-table tr:nth-child(even){background:#f6f4ee}
.compare-table td .btn-amazon{padding:6px 14px;font-size:.85rem;margin-top:0;white-space:nowrap}

/* FAQ */
.faq-section{margin-top:3em;border-top:1px solid var(--border);padding-top:1.5em}
.faq-item{margin-bottom:1.3em}
.faq-item h3{margin-bottom:.3em}
.faq-item p{margin:0;color:var(--text)}

/* Related */
.related-section{margin-top:2.5em;padding-top:1.5em;border-top:1px solid var(--border)}
.related-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.related-list a{display:block;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:12px 14px;text-decoration:none;color:var(--text);font-size:.9rem;font-weight:600}
.related-list a:hover{border-color:var(--teal);color:var(--teal-dark)}

/* Footer */
.site-footer{background:var(--navy);color:#cfe0dd;margin-top:60px}
.footer-inner{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;padding:40px 20px 20px}
.footer-brand{max-width:340px}
.footer-brand .logo{color:#fff}
.footer-brand p{font-size:.85rem;color:#a9c2be;margin-top:10px}
.footer-links{display:flex;flex-wrap:wrap;gap:14px 22px}
.footer-links a{color:#cfe0dd;text-decoration:none;font-size:.85rem}
.footer-links a:hover{color:var(--amber)}
.footer-disclaimer{border-top:1px solid #1f5750;padding:18px 20px 30px;font-size:.76rem;color:#9fb8b4}
.footer-disclaimer p{margin:.5em 0}

@media (max-width:760px){
  .nav-toggle{display:block}
  .main-nav ul{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:10px 20px;gap:0}
  .main-nav ul li{border-top:1px solid #1f5750}
  .main-nav ul li a{display:block;padding:12px 0}
  .main-nav.open ul{display:flex}
  h1{font-size:1.6rem}
  .product-box{flex-direction:column}
  .product-box img{width:100%;height:180px}
  .compare-table{font-size:.85rem}
  .compare-table th,.compare-table td{padding:9px 10px}
}