:root{
  --bg:#f4f7fb;
  --bg-2:#eaf0f6;
  --surface:#ffffff;
  --surface-2:#f7f9fc;
  --line:#d6dee8;
  --text:#1f3041;
  --muted:#607284;
  --brand:#2f5d8a;
  --brand-2:#456f98;
  --accent:#7895b3;
  --success:#2f7d4a;
  --radius:18px;
  --shadow:0 14px 36px rgba(49,74,99,.12);
  --content:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(180deg, var(--bg), var(--bg-2));
  color:var(--text);
  font:16px/1.6 Arial, Helvetica, sans-serif;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(2.2rem, 4vw, 4rem);line-height:1.08;letter-spacing:-0.025em}
h2{font-size:clamp(1.75rem, 3vw, 2.7rem);line-height:1.12;letter-spacing:-0.02em}
h3{font-size:1.18rem;line-height:1.22}
.container{width:min(calc(100% - 32px), var(--content));margin:0 auto}
.section{padding:68px 0}
.section-sm{padding:40px 0}
.lead{font-size:1.08rem;color:var(--muted);max-width:760px}
.muted{color:var(--muted)}
.center{text-align:center}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.card-body{padding:20px}
.card-body > * + *{margin-top:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--brand)
}
.eyebrow::before{
  content:"";display:block;width:30px;height:2px;background:var(--brand)
}
.badge{
  display:inline-flex;align-items:center;gap:.4rem;
  min-height:30px;padding:0 12px;border-radius:999px;
  background:#eef4f9;border:1px solid #d7e2ec;color:#4f667d;font-size:.88rem
}
.badge.good{color:var(--success)}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px
}
.logo{display:flex;align-items:center;gap:14px;font-weight:700}
.logo-mark{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(180deg, #4a739a, #2f5d8a);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35), 0 8px 16px rgba(47,93,138,.22);
}
.logo-text small{
  display:block;color:var(--muted);font-weight:400;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em
}
.desktop-nav{display:flex;gap:22px;align-items:center}
.desktop-nav a{color:var(--muted)}
.desktop-nav a:hover,.desktop-nav a[aria-current="page"]{color:var(--text)}
.header-actions{display:flex;gap:12px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:14px;
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  cursor:pointer;transition:.2s ease
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(180deg, var(--brand-2), var(--brand));
  color:#fff;border-color:#365e86
}
.btn-secondary{background:#f7fafc}
.btn-sm{min-height:40px;padding:0 14px;border-radius:12px;font-size:.95rem}
.nav-toggle{display:none}
.mobile-nav{display:none;border-top:1px solid var(--line);padding:10px 0 18px}
.mobile-nav a{display:block;padding:10px 0;color:var(--muted)}
.hero{padding:72px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.hero-copy > * + *{margin-top:18px}
.hero-panel,.panel{
  padding:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow)
}
.quick-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px
}
.quick{
  padding:16px;background:var(--surface-2);border:1px solid var(--line);border-radius:16px
}
.quick strong{display:block;margin-bottom:4px}
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:center}
.icon-tile{
  min-height:170px;padding:22px;border-radius:18px;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:flex-end
}
.icon-tile span{color:var(--muted)}
.product-card img,.story-card img,.guide-card img{aspect-ratio:4/3;object-fit:cover;background:#eef3f8}
.actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:6px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.stat{padding:16px;border-radius:16px;background:var(--surface-2);border:1px solid var(--line);text-align:center}
.stat strong{display:block;font-size:1.4rem}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding-left:26px;color:var(--muted)}
.checklist li + li{margin-top:10px}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:700}
.quote{
  padding:22px;border-left:3px solid var(--brand);background:#f7fafc;border-radius:0 16px 16px 0
}
.page-hero{padding:54px 0 30px;border-bottom:1px solid var(--line)}
.filter-bar{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:12px;margin-top:24px}
.input,.select{
  min-height:48px;padding:0 14px;border-radius:14px;border:1px solid var(--line);
  background:var(--surface);color:var(--text)
}
.table{width:100%;border-collapse:collapse;margin-top:12px}
.table th,.table td{padding:14px;border-bottom:1px solid var(--line);text-align:left}
.table th{color:var(--muted);font-weight:600}
.site-footer{margin-top:56px;padding:40px 0;border-top:1px solid var(--line);background:rgba(255,255,255,.55)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:24px}
.footer-links{display:grid;gap:10px;color:var(--muted)}

@media (max-width:1024px){
  .hero-grid,.split,.grid-4,.grid-3,.footer-grid,.quick-grid,.filter-bar,.stats{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .desktop-nav,.header-actions .btn-secondary{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-nav.open{display:block}
  .hero-grid,.split,.grid-2,.grid-3,.grid-4,.footer-grid,.quick-grid,.filter-bar,.stats{grid-template-columns:1fr}
  .hero{padding-top:52px}
}


/* Alternate homepage structure for index2 */
.alt-hero{
  padding:56px 0 28px;
}
.alt-hero-wrap{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:22px;
  align-items:stretch;
}
.alt-stack{
  display:grid;
  gap:22px;
}
.feature-band{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.feature-panel{
  padding:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow);
}
.catalog-intro{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:24px;
  align-items:start;
}
.catalog-list{
  display:grid;
  gap:14px;
}
.catalog-row{
  display:grid;
  grid-template-columns:180px 1fr auto;
  gap:16px;
  align-items:center;
  padding:16px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
}
.catalog-row strong{
  color:var(--text);
}
.catalog-row span{
  color:var(--muted);
}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.process-step{
  padding:20px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:18px;
}
.process-step b{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  margin-bottom:10px;
}
.split-emphasis{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:center;
}
@media (max-width:1024px){
  .alt-hero-wrap,.catalog-intro,.split-emphasis,.feature-band,.process-grid{
    grid-template-columns:1fr 1fr;
  }
  .catalog-row{
    grid-template-columns:1fr;
  }
}
@media (max-width:760px){
  .alt-hero-wrap,.catalog-intro,.split-emphasis,.feature-band,.process-grid{
    grid-template-columns:1fr;
  }
}


/* v3 structural variants */
.stack-20 > * + *{margin-top:20px}
.stack-14 > * + *{margin-top:14px}
.list-panels{
  display:grid;
  gap:14px;
}
.list-panel{
  display:grid;
  grid-template-columns:220px 1fr auto;
  gap:18px;
  align-items:center;
  padding:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow);
}
.list-panel strong{display:block}
.list-panel p{color:var(--muted)}
.stagger-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:start;
}
.detail-rail{
  display:grid;
  gap:14px;
}
.detail-box{
  padding:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow);
}
.inline-specs{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
}
.inline-spec{
  padding:14px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:14px;
}
.faq-grid{
  display:grid;
  gap:14px;
}
.faq-item{
  padding:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow);
}
.faq-item h3{margin-bottom:8px}
.gallery-mosaic{
  display:grid;
  grid-template-columns:1.15fr .85fr .85fr;
  gap:16px;
}
.gallery-mosaic .card:first-child{
  grid-row:span 2;
}
.gallery-caption{
  padding:14px 18px;
  border-top:1px solid var(--line);
  background:var(--surface-2);
}
.narrative-rail{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:28px;
  align-items:start;
}
.timeline{
  display:grid;
  gap:14px;
}
.timeline-item{
  display:grid;
  grid-template-columns:46px 1fr;
  gap:14px;
  align-items:start;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.timeline-dot{
  width:46px;
  height:46px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-weight:700;
  box-shadow:0 8px 18px rgba(47,93,138,.22);
}
.comparison-table{
  display:grid;
  gap:10px;
}
.comparison-row{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:14px;
  padding:14px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
}
@media (max-width:1024px){
  .list-panel,.stagger-grid,.inline-specs,.gallery-mosaic,.narrative-rail,.comparison-row{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:760px){
  .list-panel,.stagger-grid,.inline-specs,.gallery-mosaic,.narrative-rail,.comparison-row{
    grid-template-columns:1fr;
  }
}