:root{
    --ink:#101418; --ink-soft:#3d4650; --muted:#68737e;
    --brand:#3b5878; --brand-dark:#2b4460; --accent:#edf2f7;
    --bg:#ffffff; --bg-alt:#f5f8fb; --line:#e3e9ef;
    --radius:14px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
  a{color:var(--brand);text-decoration:none}
  .wrap{max-width:1080px;margin:0 auto;padding:0 24px}
  .btn{display:inline-block;background:var(--brand);color:#fff;font-weight:600;padding:14px 28px;border-radius:999px;transition:background .15s}
  .btn:hover{background:var(--brand-dark)}
  .btn.ghost{background:transparent;color:var(--brand);border:2px solid var(--brand);padding:12px 26px}

  header{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.5px}
  .logo span{color:var(--brand)}
  .nav-links{display:flex;gap:28px;align-items:center}
  .nav-links a{color:var(--ink-soft);font-weight:500;font-size:15px}
  .nav-links a.btn{padding:10px 22px;font-size:15px;color:#fff}
  @media(max-width:720px){.nav-links a:not(.btn){display:none}}

  .hero{background:linear-gradient(180deg,var(--accent) 0%,var(--bg) 100%);padding:72px 0 56px;text-align:center}
  .hero h1{font-size:clamp(32px,5vw,52px);line-height:1.12;letter-spacing:-1px;max-width:760px;margin:0 auto 18px}
  .hero p.sub{font-size:19px;color:var(--ink-soft);max-width:620px;margin:0 auto 30px}
  .hero .fineprint{margin-top:14px;font-size:13px;color:var(--muted)}

  .trustbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt)}
  .trustbar .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 40px;padding:18px 24px;font-size:14px;color:var(--ink-soft);font-weight:500}
  .trustbar span::before{content:"✓ ";color:var(--brand);font-weight:700}

  section{padding:72px 0}
  section.alt{background:var(--bg-alt)}
  h2{font-size:clamp(26px,3.5vw,36px);letter-spacing:-.5px;text-align:center;margin-bottom:12px}
  .lede{text-align:center;color:var(--muted);max-width:560px;margin:0 auto 44px}

  .steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:20px}
  .step{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
  .step .num{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
  .step h3{font-size:17px;margin-bottom:6px}
  .step p{font-size:14.5px;color:var(--muted)}

  .products{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
  .card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
  .card .tag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--accent);color:var(--brand);padding:4px 10px;border-radius:999px;margin-bottom:14px}
  .card h3{font-size:21px;margin-bottom:4px}
  .card .dose{font-size:14px;color:var(--muted);margin-bottom:14px}
  .card p{font-size:15px;color:var(--ink-soft);flex:1}
  .card .price{font-size:15px;color:var(--ink);font-weight:600;margin:18px 0 14px}
  .card .price small{color:var(--muted);font-weight:400}
  .card .btn{text-align:center}
  .card.featured{border:2px solid var(--brand);position:relative}

  .faq{max-width:720px;margin:0 auto}
  details{border-bottom:1px solid var(--line);padding:18px 0}
  summary{font-weight:600;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
  summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:400}
  details[open] summary::after{content:"–"}
  details p{margin-top:10px;color:var(--ink-soft);font-size:15.5px}

  .cta-band{background:var(--brand);color:#fff;text-align:center;padding:64px 24px}
  .cta-band h2{color:#fff}
  .cta-band p{opacity:.85;margin-bottom:28px}
  .cta-band .btn{background:#fff;color:var(--brand)}
  .cta-band .btn:hover{background:var(--accent)}

  footer{background:var(--ink);color:#aab4be;padding:56px 0 40px;font-size:13.5px}
  footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:36px}
  @media(max-width:720px){footer .cols{grid-template-columns:1fr}}
  footer h4{color:#fff;font-size:14px;margin-bottom:12px}
  footer a{color:#aab4be;display:block;margin-bottom:8px}
  footer .legal{border-top:1px solid #2a323a;padding-top:24px;line-height:1.7;font-size:12.5px}
  .badge-slot{display:inline-block;border:1px dashed #4a545e;border-radius:8px;padding:10px 16px;color:#7e8892;font-size:12px;margin-top:12px}
  /* --- Blog & article pages --- */
  .article{max-width:720px;margin:0 auto;padding:48px 24px 64px}
  .article h1{font-size:clamp(28px,4vw,40px);line-height:1.15;letter-spacing:-.5px;margin-bottom:10px}
  .article .byline{color:var(--muted);font-size:14px;margin-bottom:28px}
  .article h2{font-size:23px;text-align:left;margin:36px 0 12px}
  .article p{margin-bottom:16px;font-size:16.5px;color:var(--ink-soft)}
  .article ul,.article ol{margin:0 0 16px 22px;color:var(--ink-soft)}
  .article li{margin-bottom:8px}
  .article .crumb{font-size:14px;margin-bottom:18px}
  .cta-box{background:var(--accent);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:32px 0;text-align:center}
  .cta-box p{margin-bottom:14px;color:var(--ink)}
  .note{font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);margin-top:36px;padding-top:16px}
  .blog-list{max-width:1080px;margin:0 auto;padding:56px 24px 72px}
  .blog-list h1{font-size:clamp(28px,4vw,40px);letter-spacing:-.5px;margin-bottom:8px}
  .blog-list .sub{color:var(--muted);margin-bottom:36px}
  .card h3 a{color:var(--ink)}
  .card .readmore{font-weight:600;font-size:15px;margin-top:14px;display:inline-block}