/* SEO landing pages */
.service-header{
  position:sticky;top:0;z-index:90;background:var(--header-bg);backdrop-filter:saturate(140%) blur(18px);border-bottom:1px solid var(--line)
}
.service-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px}
.service-brand img{height:40px;width:auto}
.service-nav{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.service-nav a{color:var(--muted);text-decoration:none;font-weight:600}
.service-nav a:hover{color:var(--text)}
.service-actions{display:flex;align-items:center;gap:.75rem}
.service-hero{
  position:relative;overflow:hidden;background:var(--gradient);padding:5rem 0 3.6rem
}
.service-hero::before{
  content:"";position:absolute;inset:0;
  background:
  radial-gradient(circle at 15% 18%, rgba(241,186,27,.18), transparent 24%),
  radial-gradient(circle at 82% 12%, rgba(241,186,27,.08), transparent 20%),
  linear-gradient(180deg, rgba(255,255,255,.03), transparent 50%);
  pointer-events:none
}
.service-hero .container{position:relative;z-index:1}
.breadcrumbs{display:flex;gap:.45rem;flex-wrap:wrap;color:var(--dim);font-size:.94rem;margin-bottom:1.2rem}
.breadcrumbs a{color:var(--dim);text-decoration:none}
.breadcrumbs a:hover{color:var(--text)}
.service-hero h1{font-size:clamp(2.2rem,5vw,4.4rem);line-height:1.02;letter-spacing:-.04em;margin:0 0 1rem;max-width:12ch}
.service-hero .hero-lead{max-width:72ch}
.hero-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-top:2rem}
.metric-card{padding:1rem;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid var(--line);box-shadow:var(--shadow)}
.metric-card strong{display:block;color:var(--accent);font-size:1.35rem}
.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:1.5rem}
.panel-card,.faq-card,.related-card,.summary-box,.case-grid .case-card{
  background:var(--panel);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.panel-card,.faq-card,.related-card,.summary-box{padding:1.5rem}
.bullet-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.75rem}
.bullet-list li{
  padding:.85rem 1rem;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.03)
}
.value-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.value-card{
  padding:1.2rem;border-radius:18px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)
}
.value-card h3{margin:.2rem 0 .7rem;font-size:1.12rem}
.faq-list{display:grid;gap:1rem}
.faq-item{
  padding:1rem 1.1rem;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line)
}
.faq-item h3{margin:.1rem 0 .55rem;font-size:1.05rem}
.related-links,.quick-links{display:grid;gap:.7rem}
.related-links a,.quick-links a{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.9rem 1rem;border-radius:16px;text-decoration:none;background:rgba(255,255,255,.03);border:1px solid var(--line)
}
.related-links a:hover,.quick-links a:hover{border-color:rgba(241,186,27,.35);transform:translateY(-1px)}
.cta-strip{margin-top:1.4rem;display:flex;flex-wrap:wrap;gap:.8rem}
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.case-grid .case-card{padding:1.35rem}
.case-grid .case-card h3{margin:.15rem 0 .6rem}
.case-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.25rem}
.case-kpi{
  padding:1rem;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid var(--line)
}
.case-kpi strong{display:block;color:var(--accent);font-size:1.5rem}
.related-band{padding:0 0 4rem}
.footer-map{display:grid;gap:.5rem}
.footer-map a{color:var(--muted);text-decoration:none}
.footer-map a:hover{color:var(--text)}
.seo-sitemap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.seo-link-card{
  padding:1.2rem;border-radius:18px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none
}
.seo-link-card:hover{transform:translateY(-2px)}
.seo-link-card h3{margin:.1rem 0 .65rem;font-size:1.15rem}
.seo-link-card p{color:var(--muted);margin:0}
.badge-line{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.badge-line span{
  padding:.45rem .7rem;border-radius:999px;background:var(--accent-soft);border:1px solid rgba(241,186,27,.25);color:var(--accent-2);font-size:.9rem
}
@media (max-width:1024px){
  .content-grid,.case-grid,.seo-sitemap-grid,.hero-metrics,.value-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .service-nav{display:none}
  .service-hero{padding-top:4.2rem}
  .hero-metrics,.content-grid,.value-grid,.case-grid,.seo-sitemap-grid{grid-template-columns:1fr}
}

/* ====================================================
   BLOG ARTICLES
   ==================================================== */
.service-content{max-width:860px;margin:0 auto}
.service-intro{margin-bottom:2.5rem}
.service-intro p{font-size:1.08rem;line-height:1.8;color:var(--muted);margin-bottom:1rem}
.service-content h2{font-size:clamp(1.4rem,3vw,2rem);margin:2.5rem 0 1rem;letter-spacing:-.02em}
.service-content h3{font-size:1.1rem;margin:.2rem 0 .5rem}
.service-content p{line-height:1.8;color:var(--muted);margin-bottom:1rem}

.comparison-intro{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin:1.5rem 0 2rem}
.tech-card{padding:1.5rem;border-radius:18px;background:var(--panel);border:1px solid var(--line)}
.tech-specs{list-style:none;padding:0;margin:.75rem 0 0;display:flex;flex-direction:column;gap:.4rem}
.tech-specs li{font-size:.88rem;color:var(--muted);padding-left:1rem;position:relative}
.tech-specs li::before{content:"·";position:absolute;left:0;color:var(--accent)}

.compare-table-wrap{overflow-x:auto;margin:1.5rem 0 2rem;border-radius:14px;border:1px solid var(--line)}
.compare-table{width:100%;border-collapse:collapse;font-size:.9rem}
.compare-table th{background:var(--panel);padding:.75rem 1rem;text-align:left;font-weight:600;font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--line)}
.compare-table td{padding:.7rem 1rem;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top;line-height:1.5}
.compare-table tr:last-child td{border-bottom:none}
.compare-table tr:hover td{background:rgba(255,255,255,.02)}
.advantage-gpon{color:#1D9E75;font-weight:600}
.advantage-eth{color:var(--muted)}

.options-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:1.5rem 0 2rem}
.option-card{padding:1.25rem;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.option-level{font-size:.72rem;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;font-weight:700;margin:0 0 .5rem}
.option-card h3{font-size:1rem;margin:.2rem 0 .6rem}
.option-card p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.6}

.highlight-list{padding-left:1.2rem;margin:1rem 0 1.5rem;display:flex;flex-direction:column;gap:.5rem}
.highlight-list li{color:var(--muted);line-height:1.6;font-size:.96rem}
.highlight-list li::marker{color:var(--accent)}

.article-cta{
  margin:3rem 0;padding:2rem 2.5rem;border-radius:22px;
  background:var(--panel);border:1px solid var(--line);text-align:center
}
.article-cta .eyebrow{margin-bottom:.5rem}
.article-cta h2{margin:.25rem 0 .8rem;font-size:1.6rem}
.article-cta p{color:var(--muted);max-width:52ch;margin:0 auto 1.5rem}

.faq-list{margin:1.5rem 0;display:flex;flex-direction:column;gap:1rem}
.faq-item{padding:1.25rem 1.5rem;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.faq-item dt{font-weight:600;font-size:.98rem;color:var(--text);margin-bottom:.5rem;cursor:pointer}
.faq-item dd{margin:0;color:var(--muted);line-height:1.7;font-size:.93rem}

.checklist-block{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:1.5rem 0 2rem}
.checklist-section{padding:1.25rem;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.checklist-section h3{font-size:.92rem;margin:0 0 .75rem;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.checklist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}
.checklist li{font-size:.88rem;color:var(--muted);padding-left:1.2rem;position:relative;line-height:1.5}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-size:.8rem}

.related-links{padding:3rem 0;background:var(--surface)}
.related-links .eyebrow{margin-bottom:.5rem}
.related-links h2{margin:.25rem 0 1.5rem;font-size:1.4rem}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.related-card{
  padding:1.25rem;border-radius:14px;background:var(--panel);border:1px solid var(--line);
  text-decoration:none;transition:border-color .2s ease,transform .2s ease;display:block
}
.related-card:hover{border-color:rgba(241,186,27,.35);transform:translateY(-2px)}
.related-card h3{font-size:1rem;color:var(--text);margin:0 0 .5rem}
.related-card p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.5}

@media(max-width:1024px){
  .comparison-intro{grid-template-columns:1fr}
  .options-grid{grid-template-columns:1fr 1fr}
  .checklist-block{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .options-grid{grid-template-columns:1fr}
  .checklist-block{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .article-cta{padding:1.5rem 1.25rem}
  .compare-table th,.compare-table td{padding:.6rem .75rem;font-size:.82rem}
}