:root {
  --bg: #f7f9fc;
  --panel: #ffffff;
  --panel-2: #f3f6fb;
  --text: #1b2430;
  --muted: #5e6b7a;
  --brand: #3269ff;
  --accent: #0fb889;
  --border: #e3e9f2;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: #0b57d0; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1180px; margin: 0 auto; padding: 18px; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,0.9); border-bottom: 1px solid var(--border); backdrop-filter: blur(8px); }
.topbar { display: grid; grid-template-columns: 160px 1fr auto; gap: 12px; align-items: center; }
.logo { font-size: 24px; font-weight: 900; color: #111; letter-spacing: 0.7px; display: inline-flex; align-items: center; gap: 8px; }
.main-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.main-nav a { padding: 8px 12px; border-radius: 8px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.main-nav a.active, .main-nav a:hover { background: var(--panel-2); color: #111; }
.cart-pill { background: linear-gradient(130deg, var(--brand), #6e8cff); color: #fff; padding: 10px 14px; border-radius: 999px; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.nav-ic { width: 16px; height: 16px; display: inline-block; }
.logo .nav-ic { width: 18px; height: 18px; }

.hero { background: linear-gradient(140deg, rgba(50,105,255,.08), rgba(15,184,137,.06)); border: 1px solid var(--border); border-radius: 16px; padding: 32px; margin-top: 18px; }
.hero h1 { margin: 0 0 10px; font-size: 38px; }
.hero p { margin: 0 0 16px; max-width: 760px; color: var(--muted); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

h1 { margin: 10px 0 14px; }
h2 { margin: 6px 0 10px; }
.lead, .muted { color: var(--muted); line-height: 1.6; }
.grid { display: grid; gap: 16px; }
.cards-3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.cards-2 { grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.grid-2 { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; margin-bottom: 12px; }

.card {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 1px 2px rgba(17, 27, 39, 0.05);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(24, 39, 75, 0.08); }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card h3 { margin: 8px 0; }
.chip { display: inline-block; background: #e9f0ff; border: 1px solid #cfe0ff; color: #294a99; border-radius: 999px; padding: 4px 10px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.price { color: #0a8a62; font-size: 20px; font-weight: 700; margin: 6px 0 0; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.panel-inner { margin-top: 16px; background: #f5f8fe; }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 16px; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tabs a { padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px; color: var(--muted); }
.tabs a.active { background: var(--brand); color: white; border-color: transparent; }
.pager { margin-top: 18px; display: flex; align-items: center; justify-content: center; gap: 14px; }

.fieldset { border: 1px dashed #cfd8e5; border-radius: 12px; margin: 0 0 10px; }
.radio { display: flex; gap: 9px; align-items: center; padding: 8px; }
.radio + .radio { border-top: 1px dashed #cfd8e5; }
.qty { display: grid; gap: 7px; }
.price-row { margin: 12px 0; }

input, select, textarea, button { font: inherit; }
input, select, textarea {
  width: 100%; background: #ffffff; color: #1b2430; border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; margin-top: 6px;
}
button, .btn {
  border: 0; border-radius: 10px; cursor: pointer; font-weight: 700;
  display: inline-block; padding: 10px 14px; background: var(--brand); color: #fff;
}
.btn-primary { background: var(--accent); color: #063a2c; }
.btn-outline { border: 1px solid var(--border); background: transparent; color: #1b2430; }
.service-btn { margin-top: auto; align-self: flex-start; }

.cart-table table, .license-table { width: 100%; border-collapse: collapse; }
.cart-table th, .cart-table td, .license-table td, .license-table th { border-bottom: 1px solid var(--border); padding: 10px; text-align: left; }
.cart-table .item { display: grid; grid-template-columns: 90px 1fr; gap: 10px; align-items: center; }
.cart-actions { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; }
.summary { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.summary li, .summary-total { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.keys { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.keys li { border: 1px dashed #d6deea; border-radius: 10px; padding: 10px; display: flex; justify-content: space-between; gap: 10px; }
code { background: #f1f5fb; border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; }

.site-footer { border-top: 1px solid var(--border); margin-top: 36px; background: #f3f6fb; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 24px; padding-bottom: 16px; }
.footer-col strong { display: block; margin-bottom: 6px; }
.footer-col p { margin: 0; color: var(--muted); line-height: 1.7; }
.footer-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: #1b2430;
  font-size: 13px;
}
.footer-links a:hover { border-color: #c9d6eb; background: #f8fbff; }
.footer-copy { color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); padding-top: 12px; padding-bottom: 18px; }

@media (max-width: 900px) {
  .topbar { grid-template-columns: 1fr; }
  .product-layout, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}