:root{
  --brand:#1076C0;         /* primary blue */
  --brand-dark:#0A4F86;
  --brand-accent:#19B5FE;  /* accent cyan */
  --text:#0f172a;          /* slate-900 */
  --muted:#475569;         /* slate-600 */
  --bg:#f6f8fb;            /* light backdrop */
  --card:#ffffff;
  --border:#e5e7eb;        /* neutral-200 */
  --radius:14px;
  --shadow:0 6px 24px rgba(16,118,192,0.10);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background:var(--bg);
}

/* Header / Nav */
.header{
  background:linear-gradient(90deg, var(--brand) 0%, var(--brand-dark) 100%);
  color:#fff;
}
.header-inner{
  max-width:1200px; margin:0 auto; padding:18px 20px;
  display:flex; align-items:center; gap:18px; justify-content:space-between;
}
.brand{
  display:flex; align-items:center; gap:12px; text-decoration:none; color:#fff;
}
.brand-badge{
  width:40px; height:40px; border-radius:50%;
  display:grid; place-items:center; background:#fff; color:var(--brand);
  font-weight:800;
  box-shadow:0 4px 12px rgba(0,0,0,.15);
}
.brand-title{font-size:20px; font-weight:700; letter-spacing:.2px}
.header-nav a{
  color:#e6f4ff; text-decoration:none; margin-left:16px; font-weight:600;
}
.header-nav a:hover{color:#fff; text-decoration:underline}

/* Container */
.container{max-width:1200px; margin:0 auto; padding:24px 20px}

/* Breadcrumb */
.breadcrumb{
  font-size:14px; color:var(--muted); margin:8px 0 20px;
}
.breadcrumb a{color:var(--brand); text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{margin:0 8px; color:#94a3b8}

/* Cards / Sections */
.section{margin-top:8px}
.section h1, .section h2{
  margin:0 0 10px; line-height:1.25
}
.lead{color:var(--muted); max-width:850px}
.card{
  background:var(--card); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden;
}
.card-body{padding:18px}
.card img{display:block; width:100%; height:auto}

/* Grid */
.grid{
  display:grid; gap:18px;
}
.grid-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4, minmax(0,1fr))}
@media (max-width:1024px){ .grid-4{grid-template-columns:repeat(3,1fr)} }
@media (max-width:768px){ .grid-3, .grid-4{grid-template-columns:repeat(2,1fr)} }
@media (max-width:520px){ .grid-3, .grid-4{grid-template-columns:1fr} }

/* Product list */
.product h3{margin:0 0 6px; font-size:18px}
.product .meta{font-size:14px; color:var(--muted)}
.product .cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--brand); color:#fff; padding:10px 14px; border-radius:10px;
  text-decoration:none; font-weight:700; margin-top:10px;
}
.product .cta:hover{background:var(--brand-dark)}

/* Footer */
.footer{
  margin-top:40px; background:#0b1f33; color:#a9c1d6;
}
.footer-inner{max-width:1200px; margin:0 auto; padding:22px 20px; font-size:14px}
.footer a{color:#dbeafe}