/* ===============================================================
   IRM SITE CHROME — shared header + footer across all pages.
   Class-scoped (.irm-nav / .irm-footer) so it can sit alongside
   each page's existing styles without colliding.
   =============================================================== */

.irm-nav, .irm-footer {
  --c-bg:           #F1ECE0;
  --c-ink:          #1A1F2E;
  --c-ink-2:        #2D3142;
  --c-rule:         #1A1F2E;
  --c-rule-soft:    rgba(26, 31, 46, 0.18);
  --c-accent:       #B0552B;
  --c-accent-deep:  #8E3F1A;
  --c-accent-glow:  #D4845E;
  --c-serif:        "Newsreader", Georgia, serif;
  --c-sans:         "IBM Plex Sans", system-ui, sans-serif;
  --c-mono:         "IBM Plex Mono", ui-monospace, monospace;
  box-sizing: border-box;
}
.irm-nav *, .irm-nav *::before, .irm-nav *::after,
.irm-footer *, .irm-footer *::before, .irm-footer *::after { box-sizing: border-box; }
.irm-nav a, .irm-footer a { color: inherit; text-decoration: none; }

.irm-wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
  box-sizing: border-box;
}

/* ===== NAV ===== */
.irm-nav {
  border-bottom: 1px solid var(--c-rule);
  background: var(--c-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--c-ink);
  font-family: var(--c-sans);
  font-size: 16px;
  line-height: 1.4;
}
.irm-nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 84px;
  gap: 60px;
}
.irm-logo { display: flex; align-items: center; gap: 16px; min-width: 0; }
.irm-logo-img { width: 52px; height: 52px; display: block; flex: none; }
.irm-logo-mark {
  font-family: var(--c-serif);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--c-ink);
}
.irm-logo-mark em {
  font-style: italic;
  color: var(--c-accent-deep);
  font-weight: 400;
}

.irm-nav-links {
  display: flex;
  gap: 32px;
  justify-self: center;
  font-size: 14.5px;
}
.irm-nav-links a {
  padding: 6px 0;
  position: relative;
  transition: color 160ms;
  color: var(--c-ink);
}
.irm-nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms cubic-bezier(.2,.7,.2,1);
}
.irm-nav-links a:hover::after { transform: scaleX(1); }
.irm-nav-links a:hover { color: var(--c-accent-deep); }
.irm-nav-links a.on::after { transform: scaleX(1); background: var(--c-ink); }

.irm-nav-cta { display: flex; gap: 12px; align-items: center; }
.irm-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--c-ink);
  background: transparent;
  color: var(--c-ink);
  cursor: pointer;
  transition: background 160ms, color 160ms, border-color 160ms;
  font-family: var(--c-sans);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
}
.irm-btn:hover { background: var(--c-ink); color: var(--c-bg); }
.irm-btn.primary { background: var(--c-ink); color: var(--c-bg); }
.irm-btn.primary:hover { background: var(--c-accent-deep); border-color: var(--c-accent-deep); }
.irm-btn .arrow { font-family: var(--c-mono); transition: transform 200ms; }
.irm-btn:hover .arrow { transform: translateX(4px); }
.irm-btn .cta-label-short { display: none; }

/* ===== FOOTER ===== */
.irm-footer {
  background: var(--c-ink);
  color: var(--c-bg);
  padding: 40px 0 28px;
  font-family: var(--c-sans);
  font-size: 14px;
  line-height: 1.5;
}
.irm-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.irm-footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.irm-footer-brand .irm-logo-mark {
  color: var(--c-bg);
  font-size: 18px;
}
.irm-footer-brand .irm-logo-mark em { color: var(--c-accent-glow); }
.irm-footer-meta {
  font-family: var(--c-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(241, 236, 224, 0.55);
  display: flex;
  gap: 24px;
  align-items: center;
}
.irm-footer-meta a { transition: color 120ms; }
.irm-footer-meta a:hover { color: var(--c-accent-glow); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .irm-nav-links { display: none; }
}
@media (max-width: 720px) {
  .irm-wrap { padding: 0 20px; }
  .irm-nav-inner {
    height: 68px;
    gap: 16px;
    grid-template-columns: auto 1fr;
  }
  .irm-logo { gap: 10px; }
  .irm-logo-img { width: 40px; height: 40px; }
  .irm-logo-mark {
    font-size: 17px;
    line-height: 1.15;
    letter-spacing: -0.005em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .irm-nav-cta { gap: 8px; justify-self: end; }
  .irm-nav-cta .irm-btn {
    height: 36px;
    padding: 0 12px;
    font-size: 12px;
  }
  .irm-nav-cta .irm-btn:not(.primary) { display: none; }
  .irm-nav-cta .irm-btn.primary .cta-label-long { display: none; }
  .irm-nav-cta .irm-btn.primary .cta-label-short { display: inline; }

  .irm-footer { padding: 32px 0 24px; }
  .irm-footer-inner { gap: 18px; }
  .irm-footer-brand .irm-logo-mark { font-size: 16px; }
  .irm-footer-meta { gap: 16px; font-size: 9.5px; }
}
@media (max-width: 460px) {
  .irm-logo-mark { font-size: 15px; }
}