/* ============================================================
   site.css - Masthead, Nav, Footer
   Design Lock v1, Film Noir Investigative
   Cache version: v=20
   ============================================================ */

/* ============================================================
   MASTHEAD - thin dossier band at very top
   ============================================================ */
.site-masthead {
  background: var(--ink-plum);
  border-bottom: 1px solid var(--rule-hairline);
}
.site-masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.625rem var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone);
}
.site-masthead-vol,
.site-masthead-meta {
  color: var(--faded-steel);
  flex: 0 0 auto;
}
.site-masthead-center {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--bone);
  text-align: center;
  flex: 1 1 auto;
}

@media (max-width: 720px) {
  .site-masthead-inner {
    flex-wrap: wrap;
    gap: var(--space-1);
    justify-content: center;
    padding: 0.5rem var(--space-2);
  }
  .site-masthead-vol,
  .site-masthead-meta {
    font-size: 0.625rem;
  }
}

/* ============================================================
   NAV - sticky ink-plum with bone underline
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink-plum);
  border-bottom: 1px solid var(--rule-bone);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
}
.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.015em;
  color: var(--bone);
}
.site-nav-brand:hover { color: var(--plum-glow); }
.site-nav-logo {
  height: 40px;
  width: auto;
  filter: brightness(1.05);
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.site-nav-links a {
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faded-steel);
  transition: color 160ms ease;
  position: relative;
}
.site-nav-links a:hover,
.site-nav-links a[aria-current="page"] {
  color: var(--bone);
}
.site-nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.4rem;
  height: 1px;
  background: var(--plum-bright);
}

.site-nav-cta {
  flex: 0 0 auto;
}

@media (max-width: 880px) {
  .site-nav-links { gap: var(--space-3); }
  .site-nav-links a { font-size: 0.6875rem; }
}

@media (max-width: 720px) {
  .site-nav-inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2);
  }
  .site-nav-brand { flex: 1 1 100%; justify-content: center; }
  .site-nav-links {
    flex: 1 1 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .site-nav-cta { margin-left: auto; }
}

/* ============================================================
   FOOTER - ink-black with 4-color rule
   ============================================================ */
.site-footer {
  background: var(--ink-black);
  color: var(--faded-steel);
  padding: var(--space-7) 0 var(--space-5) 0;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    to right,
    var(--plum) 0%,
    var(--plum) 25%,
    var(--oxblood) 25%,
    var(--oxblood) 50%,
    var(--plum-bright) 50%,
    var(--plum-bright) 75%,
    var(--verified-green) 75%,
    var(--verified-green) 100%
  );
}

.site-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule-hairline);
}

.site-footer-col-brand {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  color: var(--bone);
  line-height: 1.2;
}
.site-footer-col-brand p {
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 400;
  font-size: var(--text-body-sm);
  color: var(--silver-mist);
  margin-top: var(--space-2);
  letter-spacing: 0;
}

.site-footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
  margin-bottom: var(--space-2);
  display: block;
}
.site-footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.site-footer-list a {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faded-steel);
  transition: color 160ms ease;
}
.site-footer-list a:hover { color: var(--bone); }

.site-footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faded-steel);
}
.site-footer-base p { margin: 0; }
.site-footer-base-paid {
  max-width: 60%;
  text-align: right;
  line-height: 1.6;
}

@media (max-width: 880px) {
  .site-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  .site-footer-col-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .site-footer-grid { grid-template-columns: 1fr; }
  .site-footer-base {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  .site-footer-base-paid {
    max-width: 100%;
    text-align: left;
  }
}