:root{
  --blue:#0E4F88;
  --blue-dark:#083a66;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#f5f7fb;
  --card:#ffffff;
  --shadow:0 18px 45px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.app-shell{min-height:100vh;display:grid;grid-template-columns:290px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid var(--line);padding:22px 16px;overflow:auto;z-index:20}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:26px;padding:8px}
.brand-mark{width:46px;height:46px;border-radius:16px;background:var(--blue);color:#fff;display:grid;place-items:center;font-family:Montserrat,sans-serif;font-weight:800;letter-spacing:.5px}
.brand strong{display:block;font-family:Montserrat,sans-serif;font-size:17px}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.nav{display:grid;gap:6px}.nav-item{width:100%;border:0;background:transparent;color:#334155;border-radius:14px;padding:12px 13px;text-align:left;cursor:pointer;font-weight:650;font-size:13px;line-height:1.25;transition:.18s ease}
.nav-item:hover{background:#f1f5f9;color:var(--blue)}.nav-item.active{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(14,79,136,.22)}
.main{min-width:0;padding:26px}.topbar{display:flex;align-items:center;gap:16px;margin-bottom:24px}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;width:44px;height:44px;font-size:22px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:800;font-size:12px;margin:0 0 6px}.topbar h1{font-family:Montserrat,sans-serif;font-size:clamp(20px,2.3vw,32px);line-height:1.1;margin:0}
.view{display:none}.view.active{display:block}.hero-card{background:linear-gradient(135deg,#fff 0%,#eef6ff 100%);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:center;margin-bottom:22px}.hero-card h2{font-family:Montserrat,sans-serif;font-size:clamp(24px,3vw,42px);line-height:1.05;margin:0 0 12px}.hero-card p{color:#475569;line-height:1.7;margin:0}.process-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;display:grid;gap:8px}.process-card span{font-size:12px;text-transform:uppercase;color:var(--muted);font-weight:800}.process-card strong{font-size:15px}
.grid{display:grid;grid-template-columns:repeat( auto-fit,minmax(230px,1fr));gap:16px}.equipment-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.05);cursor:pointer;transition:.18s ease}.equipment-card:hover{transform:translateY(-3px);border-color:#b7d4ec}.equipment-card span{color:var(--blue);font-weight:850;font-size:12px;text-transform:uppercase}.equipment-card h3{font-family:Montserrat,sans-serif;font-size:18px;margin:10px 0 8px}.equipment-card p{color:#475569;margin:0 0 14px}.equipment-card small{color:var(--muted);font-weight:700}
.equipment-detail{display:grid;gap:20px}.detail-head{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:center}.detail-head h2{font-family:Montserrat,sans-serif;font-size:clamp(26px,3vw,44px);margin:0 0 12px}.detail-head p{color:#475569;line-height:1.7}.detail-head img{width:100%;border-radius:22px;border:1px solid var(--line);background:#f8fafc}.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.meta-row span{background:#f8fafc;border:1px solid var(--line);border-radius:999px;padding:9px 12px;font-size:13px}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.04)}.panel.wide{grid-column:1/-1}.panel h3{font-family:Montserrat,sans-serif;margin:0 0 14px}.panel ul{margin:0;padding-left:20px;color:#334155;line-height:1.7}.panel p{color:#475569}.video-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.video-box{min-height:150px;border:1px dashed #b8c9d9;background:#f8fafc;border-radius:18px;padding:18px;display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.video-box strong{font-family:Montserrat,sans-serif}.video-box p{margin:8px 0 0}.video-box span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:var(--muted);font-size:12px;font-weight:800}.file-list{display:grid;gap:10px}.file-list a{display:flex;align-items:center;justify-content:space-between;text-decoration:none;color:var(--blue);border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-weight:750}.file-list a:after{content:'PDF';font-size:11px;background:#eef6ff;border-radius:999px;padding:4px 8px;color:var(--blue)}
@media (max-width: 980px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:0;top:0;bottom:0;width:310px;transform:translateX(-105%);transition:.22s ease;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.main{padding:18px}.menu-btn{display:inline-grid;place-items:center}.hero-card,.detail-head{grid-template-columns:1fr}.process-card{max-width:none}.content-grid{grid-template-columns:1fr}.video-stack{grid-template-columns:1fr}}
@media (max-width: 560px){.main{padding:14px}.topbar{align-items:flex-start}.hero-card,.detail-head,.panel{border-radius:18px;padding:18px}.grid{grid-template-columns:1fr}.meta-row span{width:100%;border-radius:12px}.detail-head img{max-height:230px;object-fit:cover}.sidebar{width:86vw}.topbar h1{font-size:19px}.hero-card h2,.detail-head h2{font-size:25px}.equipment-card{padding:17px}.video-box{display:grid}.file-list a{font-size:14px}}
@media print{.sidebar,.topbar,.menu-btn{display:none}.app-shell{display:block}.main{padding:0}.view{display:block}.equipment-card,.panel,.hero-card,.detail-head{box-shadow:none}}