/* ASi Imperium — Incident Response & Digital Forensics (/incident-response-forensics)
   Shares the page frame from interactive-guides.css. The lifecycle band is dark in both
   themes; no backdrop-filter, transitions on named properties only. */

.ir-urgent { background: #B3543B !important; border-color: #B3543B !important; }
.ir-urgent:hover { background: #C8664C !important; border-color: #C8664C !important; }

.ir-band {
  background:
    linear-gradient(rgba(240, 181, 116, .05) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(240, 181, 116, .05) 1px, transparent 1px) 0 0 / 56px 56px,
    #15130F;
  color: #EDEAE4;
  padding: 72px 24px;
  margin: 24px 0;
}
.ir-wrap { max-width: 1080px; margin: 0 auto; }
.ir-k { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .16em; color: #F0B574; margin: 0 0 10px; }
.ir-h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 10px; }
.ir-sub { color: #B9B4AA; max-width: 680px; line-height: 1.6; margin: 0 0 30px; }

.ir-tabs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-bottom: 18px; position: relative; }
.ir-tab {
  display: flex; align-items: center; gap: 10px;
  background: #211E19; border: 1px solid #36322B; border-radius: 10px;
  color: #B9B4AA; padding: 12px 14px; cursor: pointer; font: inherit; text-align: left;
  transition: border-color .2s, background-color .2s, color .2s;
}
.ir-tab b { font-family: var(--serif); font-weight: 600; font-size: 1.5rem; line-height: 1; color: #6E6A62; transition: color .2s; }
.ir-tab span { font-size: .88rem; font-weight: 500; }
.ir-tab:hover { border-color: #C77B2E; color: #EDEAE4; }
.ir-tab[aria-selected="true"] { background: #2A241C; border-color: #F0B574; color: #fff; }
.ir-tab[aria-selected="true"] b { color: #F0B574; }
.ir-tab:focus-visible { outline: 2px solid #F0B574; outline-offset: 2px; }

.ir-stage { background: #1C1A16; border: 1px solid #36322B; border-radius: 14px; padding: 30px; }
.ir-stage-head { display: flex; align-items: flex-end; gap: 18px; margin-bottom: 18px; }
.ir-num { font-family: var(--serif); font-weight: 600; font-size: clamp(4rem, 9vw, 6rem); line-height: .8; color: #F0B574; }
.ir-stage-k { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .16em; color: #9FA3C4; margin: 0 0 4px; position: relative; padding-left: 0; }
.ir-stage-head h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.5rem, 3.2vw, 2.1rem); line-height: 1.15; margin: 0; color: #fff; }
.ir-lead { font-size: 1.04rem; line-height: 1.7; color: #D9D4CA; max-width: 820px; margin: 0 0 22px; padding-top: 16px; border-top: 1px solid; border-image: linear-gradient(90deg, #F0B574, transparent 40%) 1; }
.ir-facts { display: grid; gap: 10px; margin: 0; }
.ir-facts > div { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 14px; align-items: baseline; border: 1px solid #36322B; border-radius: 10px; padding: 12px 16px; background: #211E19; }
.ir-facts dt { font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; color: #F0B574; }
.ir-facts dd { margin: 0; color: #D9D4CA; font-size: .95rem; line-height: 1.55; }
.ir-proves { border-color: #5C4A2E !important; }
.ir-note { font-size: .82rem; color: #9C978D; margin: 14px 0 0; line-height: 1.55; }

.ir-pack-btn { margin-top: 16px; align-self: flex-start; }
.ir-duties { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 14px; margin-top: 18px; }
.ir-duty { border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 10px; background: var(--card-bg); padding: 18px; }
.ir-duty p:last-child { margin: 8px 0 0; color: var(--text-muted); line-height: 1.6; font-size: .93rem; }
.ir-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 10px; margin-top: 18px; }
.ir-related a { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--border); border-radius: 10px; background: var(--card-bg); padding: 16px 18px; text-decoration: none; color: var(--text); transition: border-color .2s; }
.ir-related a:hover { border-color: var(--accent); }
.ir-related b { font-weight: 600; }
.ir-related span { font-size: .88rem; color: var(--text-muted); }

@media (max-width: 760px) {
  .ir-band { padding: 48px 16px; }
  .ir-tabs { grid-template-columns: repeat(5, minmax(96px, 1fr)); overflow-x: auto; scrollbar-width: none; padding-bottom: 4px; }
  .ir-tab { flex-direction: column; align-items: flex-start; gap: 4px; padding: 10px 12px; }
  .ir-stage { padding: 20px; }
  .ir-facts > div { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .ir-tab, .ir-tab b, .ir-related a { transition: none; }
}