/* Shared site chrome — nav hover, footer, case-study back */
:root {
  --red: #ff3000;
  --border: 4px solid #000;
  --border-2: 2px solid #000;
  --font-display: 'Bebas Neue', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Nav data-lbl hover (when not defined inline) */
.nav-links a[data-lbl] {
  position: relative;
  overflow: hidden;
}
.nav-links a[data-lbl]::after {
  content: attr(data-lbl);
  position: absolute;
  left: 1.2rem;
  top: 100%;
  color: var(--red);
  transition: top 0.15s var(--ease);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
}
.nav-links a[data-lbl]:hover {
  color: transparent;
}
.nav-links a[data-lbl]:hover::after {
  top: 50%;
  transform: translateY(-50%);
}
.nav-links a.active {
  color: #000;
  border-bottom: 3px solid var(--red);
}

/* Case study back button */
#breadcrumb {
  display: flex;
  align-items: stretch;
}
.bc-back {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  background: #000;
  text-decoration: none;
  padding: 0 1.35rem;
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  border-right: var(--border-2);
  transition: background 0.15s;
  flex-shrink: 0;
}
.bc-back:hover {
  background: var(--red);
  color: #fff;
}
.bc-divider {
  width: 2px;
  background: rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}

/* Pro footer */
.site-footer-pro {
  border-top: var(--border);
  padding: 0;
  background: #0b0d11;
  color: #edf0f4;
  position: relative;
  overflow: hidden;
}
.site-footer-pro::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.14;
  pointer-events: none;
}
.footer-top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}
.footer-mark {
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  padding: 2.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: rgba(255, 255, 255, 0.03);
}
.footer-monogram {
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 0.8;
  letter-spacing: 0.02em;
  color: #fff;
}
.footer-monogram span {
  color: var(--red);
}
.footer-kicker {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #b2b8c3;
}
.footer-main {
  padding: 2.25rem 2rem;
  display: grid;
  gap: 1rem;
}
.footer-brandline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
}
.footer-brand span {
  color: var(--red);
}
.footer-role {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #b2b8c3;
}
.footer-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.footer-pill {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.04);
}
.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #b2b8c3;
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover {
  color: var(--red);
}

@media (max-width: 760px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-mark {
    border-right: none;
    border-bottom: var(--border-2);
  }
  .footer-main {
    padding: 1.6rem 1.5rem;
  }
  .bc-back {
    padding: 0 1rem;
    font-size: 0.5rem;
  }
}

/* Shared accessibility utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

nav a:focus-visible,
.nav-cta:focus-visible,
.bc-back:focus-visible,
.footer-links a:focus-visible,
.filter-chip:focus-visible {
  outline: 2px solid var(--red, #ff3000);
  outline-offset: 2px;
}