:root {
  --orange: #B35000;
  --orange-light: #D4600A;
  --charcoal: #111111;
  --slate: #1B2A3B;
  --warm-gray: #F5F3F0;
  --off-white: #FAF9F7;
  --white: #FFFFFF;
  --border: #E2DDD8;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-muted: #696969;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, sans-serif; color: var(--text-primary); background: var(--white); overflow-x: hidden; }

/* ── SYSTEM BAR ── */
.page-header-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.page-header-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orange); margin-bottom: 0.5rem; }
.page-header-title { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; line-height: 1.15; margin-bottom: 0.6rem; }
.page-header-sub { font-size: 0.95rem; color: rgba(255,255,255,0.7); line-height: 1.65; max-width: 520px; }
.page-header-search {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px; padding: 0.6rem 1rem;
  min-width: 260px;
}
.page-header-search input {
  background: none; border: none; outline: none;
  color: #fff; font-size: 0.88rem; font-family: inherit; flex: 1;
}
.page-header-search input::placeholder { color: rgba(255,255,255,0.4); }
.page-header-search-icon { color: rgba(255,255,255,0.5); font-size: 0.9rem; }

/* ── FILTER BAR ── */
.filter-bar {
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 0.75rem 2rem; position: sticky; top: 63px; z-index: 50;
}
.filter-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.filter-btn {
  padding: 0.35rem 0.9rem; border-radius: 20px; cursor: pointer;
  font-size: 0.78rem; font-weight: 600; border: 1px solid var(--border);
  background: var(--white); color: var(--text-muted); transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--orange); color: var(--orange); }
.filter-btn.active { background: var(--orange); color: #fff; border-color: var(--orange); }

/* ── MAIN LAYOUT ── */
.main { max-width: 1100px; margin: 0 auto; padding: 2.5rem 2rem 4rem; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .catalog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .catalog-grid { grid-template-columns: 1fr; } }

/* ── CATEGORY CARD ── */
.cat-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.5rem;
  transition: box-shadow 0.15s;
}
.cat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.07); }
.cat-title {
  font-size: 1rem; font-weight: 800; color: var(--text-primary);
  margin-bottom: 1.1rem; padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--border);
}
.service-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
.service-item { border-bottom: 1px solid #f0ece8; }
.service-item:last-child { border-bottom: none; }
.service-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.55rem 0;
  color: var(--orange); text-decoration: none; font-size: 0.875rem; font-weight: 500;
  transition: color 0.15s;
}
.service-link:hover { color: var(--orange-light); }
.service-link:hover .service-arrow { opacity: 1; transform: translateX(2px); }
.service-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 0.15rem 0.45rem; border-radius: 3px; flex-shrink: 0;
}
.badge-detail { background: rgba(191,87,0,0.1); color: var(--orange); }
.badge-library { background: rgba(14,80,118,0.12); color: #0d5078; }
.badge-ext { background: rgba(0,0,0,0.05); color: var(--text-muted); }
.badge-tacc { background: rgba(52,98,161,0.12); color: #1a4f8a; }
.badge-laits { background: rgba(0,100,60,0.1); color: #005c35; }
.badge-iso  { background: rgba(60,30,90,0.1);  color: #3c1e5a; }
.service-arrow { font-size: 0.7rem; color: var(--text-muted); opacity: 0.4; transition: all 0.15s; flex-shrink: 0; margin-left: 0.25rem; }

/* ── LEGEND ── */
.legend {
  display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.legend-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; color: var(--text-muted); }
.legend-badge { font-size: 0.62rem; font-weight: 700; padding: 0.15rem 0.45rem; border-radius: 3px; }

/* ── CALLOUT ── */
.callout-servicenow {
  background: var(--warm-gray); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.5rem 2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  margin-top: 2rem; flex-wrap: wrap;
}
.callout-text h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.35rem; }
.callout-text p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.btn-orange {
  display: inline-block; padding: 0.6rem 1.4rem; border-radius: 6px;
  background: var(--orange); color: #fff; text-decoration: none;
  font-size: 0.85rem; font-weight: 600; white-space: nowrap;
  transition: background 0.2s;
}
.btn-orange:hover { background: var(--orange-light); }

/* ── FOOTER ── */
@media (max-width: 680px) { .footer-top { grid-template-columns: 1fr 1fr; } }
.footer-brand-ut { font-size: 0.65rem; font-weight: 700; color: var(--orange); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.3rem; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); text-decoration: none; padding: 0.22rem 0; transition: color 0.15s; }
.footer-col a:hover { color: rgba(255,255,255,0.9); }