@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:#1F2937;
  --ink-soft:#374151;
  --paper:#FBFCFD;
  --paper-soft:#F3F5F7;
  --line-dark:#E2E6EB;
  --line-light:#E7EBEF;
  --accent:#0E9F6E;
  --accent-dim:#0B7A55;
  --amber:#E8B04B;
  --text-dark:#1F2937;
  --text-muted:#5F6B76;
  --text-on-ink:#FFFFFF;
  --text-on-ink-muted:#D8DEE6;
  --radius:10px;
  --shadow:0 2px 8px rgba(31,41,55,0.05);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'IBM Plex Sans', sans-serif;
  color:var(--text-dark);
  background:var(--paper);
  line-height:1.55;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.mono{font-family:'IBM Plex Mono', monospace;}

.wrap{max-width:1120px;margin:0 auto;padding:0 28px;}

/* HEADER */
header.site{
  background:#FFFFFF;
  color:var(--text-dark);
  border-bottom:1px solid var(--line-light);
  box-shadow:0 1px 4px rgba(31,41,55,0.05);
  position:sticky;top:0;z-index:20;
}
.header-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:3px 0;
  gap:24px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.25rem;letter-spacing:-0.01em;
}
.brand-logo{display:block;height:54px;width:auto;max-width:190px;}
.brand .dot{color:var(--accent);}
.brand small{
  font-family:'IBM Plex Mono', monospace;
  font-weight:400;font-size:0.72rem;color:var(--text-muted);
}
nav.main{display:flex;gap:26px;flex-wrap:wrap;}
nav.main a{
  font-size:0.92rem;color:var(--text-muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .15s, border-color .15s;
}
nav.main a:hover, nav.main a.active{color:var(--text-dark);border-color:var(--accent);}

/* HERO */
.hero{
  background:linear-gradient(180deg,#F6F8FA 0%, #FBFCFD 100%);
  color:var(--text-dark);
  padding:72px 0 80px;
  border-bottom:1px solid var(--line-light);
}
.hero .kicker{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.82rem;color:var(--accent);
  margin-bottom:14px;
}
.hero h1{
  font-size:2.6rem;line-height:1.12;letter-spacing:-0.02em;
  color:var(--text-dark);
  margin:0 0 20px;max-width:15ch;font-weight:600;
}
.hero p{max-width:56ch;color:var(--text-muted);font-size:1.05rem;margin:0 0 28px;}
.hero-meta{
  display:flex;gap:32px;flex-wrap:wrap;
  border-top:1px solid var(--line-light);
  padding-top:22px;margin-top:8px;
}
.hero-meta div{font-size:0.85rem;color:var(--text-muted);}
.hero-meta strong{display:block;color:var(--text-dark);font-size:1.4rem;font-weight:600;font-family:'IBM Plex Mono',monospace;}

/* SECTIONS */
section{padding:64px 0;}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:20px;margin-bottom:32px;border-bottom:1px solid var(--line-light);padding-bottom:18px;
}
.section-head h2{font-size:1.5rem;margin:0;letter-spacing:-0.01em;}
.section-head p{margin:6px 0 0;color:var(--text-muted);font-size:0.95rem;max-width:52ch;}
.section-head .tag{
  font-family:'IBM Plex Mono',monospace;font-size:0.78rem;
  color:var(--text-muted);white-space:nowrap;
}

.alt{background:var(--paper-soft);border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light);}

/* CATEGORY STRIP */
.cat-strip{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px;}
.cat-strip a{
  font-size:0.85rem;padding:7px 14px;border:1px solid var(--line-light);
  border-radius:var(--radius);color:var(--text-muted);background:#fff;
}
.cat-strip a:hover{border-color:var(--accent-dim);color:var(--text-dark);}

/* PRODUCT GRID */
.grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.card{
  background:#fff;border:1px solid var(--line-light);
  border-radius:var(--radius);
  box-shadow:0 1px 3px rgba(31,41,55,0.05);
  display:flex;flex-direction:column;
  transition:box-shadow .2s, transform .2s, border-color .2s;
}
.card:hover{box-shadow:0 6px 18px rgba(31,41,55,0.09);border-color:var(--line-light);transform:translateY(-2px);}
.card-top{
  padding:16px 18px 0;
  display:flex;justify-content:space-between;align-items:flex-start;gap:10px;
}
.card-top .cat-label{
  font-family:'IBM Plex Mono',monospace;font-size:0.7rem;
  color:var(--accent-dim);letter-spacing:.02em;
}
.card-body{padding:10px 18px 18px;flex:1;display:flex;flex-direction:column;}
.card h3{font-size:1.02rem;margin:2px 0 8px;line-height:1.3;}
.card .desc{font-size:0.88rem;color:var(--text-muted);margin:0 0 16px;flex:1;}
.card .meta-row{
  display:flex;justify-content:space-between;align-items:center;
  border-top:1px dashed var(--line-light);padding-top:12px;margin-top:auto;
}
.card .price{font-family:'IBM Plex Mono',monospace;font-size:0.9rem;color:var(--text-dark);}
.card .price span{display:block;font-size:0.68rem;color:var(--text-muted);font-family:'IBM Plex Sans',sans-serif;}
.btn{
  display:inline-block;background:var(--ink);color:#fff;
  font-size:0.82rem;padding:9px 16px;border:1px solid var(--ink);
  border-radius:var(--radius);white-space:nowrap;
}
.btn:hover{background:var(--accent-dim);border-color:var(--accent-dim);}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-light);}
.btn.ghost:hover{border-color:var(--ink);}

/* BLOG / ARTICLES */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.blog-card{
  background:#fff;border:1px solid var(--line-light);
  border-radius:var(--radius);
  box-shadow:0 1px 3px rgba(31,41,55,0.05);
  display:flex;flex-direction:column;overflow:hidden;
  transition:box-shadow .2s, transform .2s;
}
.blog-card:hover{box-shadow:0 6px 18px rgba(31,41,55,0.09);transform:translateY(-2px);}
.blog-card .b-thumb{
  height:120px;display:flex;align-items:center;justify-content:center;
  color:var(--text-on-ink);font-family:'IBM Plex Mono',monospace;
  font-size:2rem;letter-spacing:-0.02em;
}
.blog-card .b-body{padding:18px 20px;display:flex;flex-direction:column;flex:1;}
.blog-card .b-meta{font-family:'IBM Plex Mono',monospace;font-size:0.7rem;color:var(--text-muted);margin-bottom:8px;}
.blog-card h3{font-size:1.08rem;margin:0 0 8px;line-height:1.35;}
.blog-card p{font-size:0.88rem;color:var(--text-muted);margin:0 0 16px;flex:1;}
.blog-card a.readmore{font-size:0.85rem;color:var(--accent-dim);border-bottom:1px solid var(--accent-dim);align-self:flex-start;}

/* ARTICLE PAGE */
.article-hero{
  background:linear-gradient(180deg,#F6F8FA 0%, #FBFCFD 100%);
  color:var(--text-dark);padding:56px 0;border-bottom:1px solid var(--line-light);
}
.article-hero .kicker{font-family:'IBM Plex Mono',monospace;font-size:0.8rem;color:var(--accent);margin-bottom:14px;}
.article-hero h1{font-size:2.1rem;line-height:1.2;margin:0 0 14px;max-width:28ch;letter-spacing:-0.01em;color:var(--text-dark);}
.article-hero .byline{font-size:0.85rem;color:var(--text-muted);}
.article-wrap{max-width:760px;margin:0 auto;padding:40px 24px;}
.article-body{background:#fff;border:1px solid var(--line-light);padding:34px 40px;border-radius:var(--radius);box-shadow:0 1px 3px rgba(31,41,55,0.05);}
.article-body h2{font-size:1.35rem;margin:36px 0 12px;border-bottom:1px solid var(--line-light);padding-bottom:8px;}
.article-body h3{font-size:1.1rem;margin:28px 0 8px;}
.article-body p{color:var(--text-muted);line-height:1.7;}
.article-body ul,.article-body ol{color:var(--text-muted);line-height:1.7;padding-left:22px;}
.article-body li{margin-bottom:6px;}
.article-body strong{color:var(--text-dark);}
.article-body a{color:var(--accent-dim);text-decoration:underline;}
.article-body blockquote{
  margin:24px 0;padding:14px 20px;border-left:4px solid var(--accent);
  background:var(--paper-soft);color:var(--text-muted);font-style:italic;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:0.9rem;}
.article-body th,.article-body td{border:1px solid var(--line-light);padding:10px 12px;text-align:left;}
.article-body th{background:var(--paper-soft);font-weight:600;}
.article-toc{
  background:var(--paper-soft);border:1px solid var(--line-light);
  padding:18px 22px;margin:0 0 26px;font-size:0.9rem;border-radius:var(--radius);
}
.article-toc h4{margin:0 0 10px;font-size:0.85rem;letter-spacing:.03em;color:var(--text-dark);}
.article-toc ol{margin:0;padding-left:20px;color:var(--text-muted);}
.article-toc a{color:var(--accent-dim);text-decoration:none;}
.article-toc a:hover{text-decoration:underline;}
.cta-box{
  background:#EEF7F1;border:1px solid #CDEBDB;
  color:var(--text-dark);padding:22px 26px;margin:30px 0;
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  border-radius:var(--radius);
}
.cta-box p{margin:0;color:var(--text-muted);font-size:0.9rem;}
.cta-box strong{color:var(--accent-dim);}
.btn.accent-btn{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn.accent-btn:hover{background:var(--accent-dim);color:#fff;border-color:var(--accent-dim);}
.related{border-top:1px solid var(--line-light);margin-top:40px;padding-top:24px;}
.related h4{font-size:0.85rem;letter-spacing:.03em;margin:0 0 14px;}
.related a{display:block;padding:10px 0;border-bottom:1px solid var(--line-light);font-size:0.95rem;color:var(--text-dark);}
.related a:hover{color:var(--accent-dim);}

@media(max-width:700px){
  .blog-grid{grid-template-columns:1fr;}
  .article-body{padding:24px 20px;}
  .article-hero h1{font-size:1.6rem;}
}
.guide-row{
  display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:baseline;
  padding:20px 0;border-bottom:1px solid var(--line-light);
}
.guide-row .num{font-family:'IBM Plex Mono',monospace;color:var(--text-muted);font-size:0.85rem;}
.guide-row h3{margin:0 0 4px;font-size:1.05rem;}
.guide-row p{margin:0;color:var(--text-muted);font-size:0.9rem;max-width:60ch;}
.guide-row a.readmore{font-size:0.85rem;color:var(--accent-dim);border-bottom:1px solid var(--accent-dim);white-space:nowrap;}

/* DISCLOSURE BOX */
.disclosure{
  background:var(--paper-soft);border:1px solid var(--line-light);
  border-left:4px solid var(--amber);
  padding:20px 22px;font-size:0.85rem;color:var(--text-muted);
  margin-top:8px;border-radius:var(--radius);
}
.disclosure strong{color:var(--text-dark);}
.disclosure.disc-foot{
  background:#FFFFFF;border:1px solid var(--line-light);
  border-left:4px solid var(--amber);
  color:var(--text-muted);
}
.disclosure.disc-foot strong{color:var(--text-dark);}
.disclosure.disc-foot a{color:var(--accent-dim);text-decoration:underline;}

/* TOP DISCLOSURE BAR */
.disc-bar{
  background:var(--amber);color:#231a08;text-align:center;
  font-size:0.8rem;padding:9px 16px;line-height:1.4;
}
.disc-bar a{text-decoration:underline;color:#231a08;}

/* AFFILIATE DISCLOSURE PAGE */
.disc-body{background:#fff;border:1px solid var(--line-light);padding:30px 34px;margin-bottom:8px;border-radius:var(--radius);box-shadow:0 1px 3px rgba(31,41,55,0.05);}
.disc-body h2{margin-top:28px;}
.disc-body p,.disc-body li{color:var(--text-muted);}
.disc-body a{color:var(--accent-dim);text-decoration:underline;}

/* ABOUT / SIMPLE PAGE */
.page-hero{
  background:linear-gradient(180deg,#F6F8FA 0%, #FBFCFD 100%);
  color:var(--text-dark);padding:48px 0;
  border-bottom:1px solid var(--line-light);
}
.page-hero h1{margin:0 0 8px;font-size:2rem;letter-spacing:-0.01em;color:var(--text-dark);}
.page-hero p{color:var(--text-muted);margin:0;max-width:60ch;}
.prose{max-width:70ch;}
.prose h2{font-size:1.2rem;margin-top:36px;}
.prose p{color:var(--text-muted);}
.prose ul{color:var(--text-muted);padding-left:20px;}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.contact-card{border:1px solid var(--line-light);background:#fff;padding:24px;border-radius:var(--radius);box-shadow:0 1px 3px rgba(31,41,55,0.05);}
.contact-card h3{margin-top:0;font-size:1rem;}
.contact-card .val{font-family:'IBM Plex Mono',monospace;font-size:0.95rem;margin-top:6px;}
form.contact-form{display:flex;flex-direction:column;gap:14px;}
form.contact-form label{font-size:0.82rem;color:var(--text-muted);}
form.contact-form input, form.contact-form textarea, form.contact-form select{
  width:100%;padding:11px 12px;border:1px solid var(--line-light);
  border-radius:var(--radius);
  font-family:'IBM Plex Sans',sans-serif;font-size:0.92rem;background:#fff;
  transition:border-color .15s;
}
form.contact-form input:focus, form.contact-form textarea:focus, form.contact-form select:focus{
  outline:none;border-color:var(--accent-dim);
}
form.contact-form textarea{resize:vertical;min-height:110px;}
form.contact-form button{
  align-self:flex-start;background:var(--ink);color:#fff;border:none;
  padding:11px 22px;font-size:0.9rem;cursor:pointer;border-radius:var(--radius);
  transition:background .15s;
}
form.contact-form button:hover{background:var(--accent-dim);}

/* FOOTER */
footer.site{background:#F6F8FA;color:var(--text-muted);padding:44px 0 28px;margin-top:0;border-top:1px solid var(--line-light);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;border-bottom:1px solid var(--line-light);padding-bottom:32px;}
.footer-grid h4{color:var(--text-dark);font-size:0.85rem;margin:0 0 14px;font-weight:600;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-grid a{font-size:0.85rem;color:var(--text-muted);}
.footer-grid a:hover{color:var(--accent-dim);}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:20px;font-size:0.78rem;color:var(--text-muted);
}

@media(max-width:860px){
  .grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .hero h1{font-size:2rem;}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr;}
  nav.main{display:none;}
  .guide-row{grid-template-columns:1fr;}
  .hero-meta{gap:20px;}
}