:root {
    --primary: #0f5ed8;
    --primary-dark: #0a3f91;
    --text: #14213d;
    --muted: #5b6474;
    --bg: #f7fafe;
    --border: #dfe7f3;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.topbar { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--primary-dark); }
nav a { margin-left: 18px; color: var(--text); }
.main-content { padding: 32px 20px 60px; }
.hero { background: linear-gradient(135deg, #eff6ff, #fff); border: 1px solid var(--border); border-radius: 20px; padding: 40px; margin-bottom: 24px; }
.hero h1 { font-size: 2.2rem; margin: 0 0 12px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.btn { display: inline-block; padding: 12px 18px; border-radius: 999px; border: 1px solid var(--border); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { color: white; background: var(--primary-dark); }
.btn-secondary { background: white; }
.card { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 24px; box-shadow: 0 6px 20px rgba(15,94,216,0.05); }
.grid { display: grid; gap: 20px; }
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.product-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 16px; }
.product-card { border: 1px solid var(--border); border-radius: 14px; padding: 16px; background: var(--bg); }
.product-row { padding: 8px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; gap: 10px; }
.product-layout { display: grid; gap: 20px; grid-template-columns: minmax(0, 2fr) 320px; }
.spec-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; margin-top: 24px; }
.breadcrumbs { color: var(--muted); margin-bottom: 16px; }
.eyebrow { color: var(--primary); text-transform: uppercase; font-size: .78rem; letter-spacing: .2em; font-weight: 700; }
.small { color: var(--muted); font-size: .92rem; }
.muted { color: var(--muted); }
.mt { margin-top: 24px; }
.footer { background: #07203d; color: #dce8fb; padding: 28px 0; }
.footer a { color: #dce8fb; }
@media (max-width: 760px) { .two-col, .product-layout, .spec-grid { grid-template-columns: 1fr; } .hero { padding: 24px; } }