/* ── Shared Site Header (portfolio pages only) ─────── */

#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
  background: var(--header-bg, rgba(8,0,0,0.97));
  border-bottom: 1px solid var(--header-border, rgba(192,57,43,0.2));
  backdrop-filter: blur(6px);
  font-family: 'Cinzel', serif;
}

/* ── Hamburger toggle ──────────────────────────────── */

#site-nav-toggle {
  background: none;
  border: 1px solid var(--ham-border, rgba(192,57,43,0.3));
  border-radius: 4px;
  width: 32px; height: 28px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px; cursor: pointer; padding: 0; flex-shrink: 0;
  transition: border-color 0.2s;
}
#site-nav-toggle:hover { border-color: var(--nav-active, rgba(192,57,43,0.75)); }
#site-nav-toggle span {
  display: block; width: 16px; height: 1.5px; background: var(--ham-line, #c9a84c);
  transition: background 0.2s;
}

/* ── Breadcrumbs ───────────────────────────────────── */

#site-breadcrumbs {
  flex: 1;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--nav-muted, rgba(122,98,72,0.8));
}
#site-breadcrumbs a {
  color: var(--header-text, rgba(201,168,76,0.7)); text-decoration: none;
  transition: color 0.15s;
}
#site-breadcrumbs a:hover { color: var(--text, #e8d5a3); }
#site-breadcrumbs .sep { margin: 0 8px; color: rgba(122,98,72,0.35); }
#site-breadcrumbs .crumb-current { color: var(--nav-muted, rgba(232,213,163,0.45)); }

/* ── Side Nav overlay + panel ──────────────────────── */

#site-nav-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 390;
  background: rgba(0,0,0,0.45);
}
#site-nav-overlay.open { display: block; }

#site-nav {
  position: fixed;
  top: 44px; left: 0; bottom: 0;
  z-index: 400;
  width: 220px;
  background: var(--nav-bg, rgba(6,0,0,0.98));
  border-right: 1px solid var(--nav-border, rgba(192,57,43,0.18));
  border-top: 1px solid var(--header-border, rgba(192,57,43,0.2));
  transform: translateX(-222px);
  transition: transform 0.38s cubic-bezier(0.22,1,0.36,1);
  display: flex; flex-direction: column;
  overflow: hidden;
  font-family: 'Cinzel', serif;
}
#site-nav.open { transform: translateX(0); }

#site-nav-close {
  position: absolute; top: 10px; right: 12px;
  background: none; border: 1px solid var(--ham-border, rgba(192,57,43,0.25));
  border-radius: 50%; width: 26px; height: 26px;
  color: var(--nav-muted, rgba(122,98,72,0.8)); font-size: 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-family: sans-serif;
  transition: border-color 0.2s, color 0.2s;
}
#site-nav-close:hover { border-color: var(--nav-active, #c0392b); color: var(--text, #e8d5a3); }

.site-nav-label {
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--nav-muted, rgba(122,98,72,0.5)); padding: 20px 22px 10px;
}

.site-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 22px;
  color: var(--nav-text, rgba(232,213,163,0.6));
  text-decoration: none;
  font-size: 13px; letter-spacing: 0.1em;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.site-nav-item:hover {
  color: var(--text, #e8d5a3);
  background: var(--hover-bg, rgba(192,57,43,0.06));
  border-left-color: var(--nav-active, rgba(192,57,43,0.35));
}
.site-nav-item.active {
  color: var(--header-text, #c9a84c);
  border-left-color: var(--nav-active, #c0392b);
}
.site-nav-icon { font-size: 16px; }

/* ── Win95 nav overrides ───────────────────────────── */

html[data-style="win95"] #site-header {
  font-family: "W95FA", "MS Sans Serif", Arial, sans-serif;
  border-bottom-width: 2px;
  backdrop-filter: none;
  gap: 8px;
}
html[data-style="win95"] #site-logo {
  font-family: "W95FA", "MS Sans Serif", Arial, sans-serif;
  letter-spacing: 0; font-size: 11px; border-radius: 0;
  border: 2px solid;
  border-top-color: var(--btn-lt, #fff); border-left-color: var(--btn-lt, #fff);
  border-right-color: var(--btn-dk, #808080); border-bottom-color: var(--btn-dk, #808080);
}
html[data-style="win95"] #site-nav-toggle {
  border-radius: 0; border: 2px solid;
  border-top-color: var(--btn-lt, #fff); border-left-color: var(--btn-lt, #fff);
  border-right-color: var(--btn-dk, #808080); border-bottom-color: var(--btn-dk, #808080);
}
html[data-style="win95"] #site-breadcrumbs {
  font-family: "W95FA", "MS Sans Serif", Arial, sans-serif;
  font-size: 12px; letter-spacing: 0; color: var(--header-text, #000);
}
html[data-style="win95"] #site-breadcrumbs .crumb-current { color: var(--header-text, #000); }
html[data-style="win95"] #site-nav {
  font-family: "W95FA", "MS Sans Serif", Arial, sans-serif;
}
html[data-style="win95"] .site-nav-label {
  font-family: "W95FA", "MS Sans Serif", Arial, sans-serif;
  letter-spacing: 0; font-size: 11px; color: var(--nav-muted, #555);
}
html[data-style="win95"] .site-nav-item {
  font-family: "W95FA", "MS Sans Serif", Arial, sans-serif;
  letter-spacing: 0; font-size: 12px;
}
html[data-style="win95"] #site-nav-close { border-radius: 0; }

/* ── Modern nav overrides ──────────────────────────── */

html[data-style="modern"] #site-header {
  font-family: -apple-system, BlinkMacSystemFont, 'Manrope', system-ui, sans-serif;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}
html[data-style="modern"] #site-logo {
  font-family: -apple-system, BlinkMacSystemFont, 'Manrope', system-ui, sans-serif;
  letter-spacing: 0; border-radius: 999px;
}
html[data-style="modern"] #site-nav-toggle { border-radius: 999px; }
html[data-style="modern"] #site-breadcrumbs {
  font-family: -apple-system, BlinkMacSystemFont, 'Manrope', system-ui, sans-serif;
  letter-spacing: 0; font-size: 12px; font-weight: 500;
}
html[data-style="modern"] #site-nav {
  font-family: -apple-system, BlinkMacSystemFont, 'Manrope', system-ui, sans-serif;
  border-radius: 0 8px 8px 0;
}
html[data-style="modern"] .site-nav-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Manrope', system-ui, sans-serif;
  letter-spacing: 0.08em; font-size: 10px; font-weight: 600;
}
html[data-style="modern"] .site-nav-item {
  font-family: -apple-system, BlinkMacSystemFont, 'Manrope', system-ui, sans-serif;
  letter-spacing: 0; font-size: 13px; font-weight: 500;
}
html[data-style="modern"] #site-nav-close { border-radius: 50%; }

/* ── Brutal nav overrides ──────────────────────────── */

html[data-style="brutal"] #site-header {
  font-family: var(--body-font);
  backdrop-filter: none;
  border-bottom-width: 2px;
}
html[data-style="brutal"] #site-logo {
  font-family: var(--body-font);
  font-weight: 500; letter-spacing: 0.02em;
  border-radius: var(--win-radius, 8px);
}
html[data-style="brutal"] #site-nav-toggle {
  border-radius: var(--win-radius, 8px); border-width: 2px;
}
html[data-style="brutal"] #site-breadcrumbs {
  font-family: var(--body-font);
  font-weight: 500; letter-spacing: 0.02em; font-size: 11px;
}
html[data-style="brutal"] #site-nav {
  font-family: var(--body-font);
  border-right-width: 2px;
}
html[data-style="brutal"] .site-nav-label {
  font-family: var(--body-font);
  font-weight: 700; letter-spacing: 0.12em; font-size: 10px;
}
html[data-style="brutal"] .site-nav-item {
  font-family: var(--body-font);
  font-weight: 500; letter-spacing: 0.02em; font-size: 13px;
}
html[data-style="brutal"] #site-nav-close { border-radius: 50%; border-width: 2px; }

/* ── Term nav overrides ────────────────────────────── */

html[data-style="term"] #site-header {
  font-family: var(--body-font);
  backdrop-filter: none;
}
html[data-style="term"] #site-logo {
  font-family: var(--body-font);
  text-transform: uppercase; letter-spacing: 0.04em;
  border-radius: 0;
}
html[data-style="term"] #site-nav-toggle { border-radius: 0; }
html[data-style="term"] #site-breadcrumbs {
  font-family: var(--body-font);
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px;
}
html[data-style="term"] #site-nav { font-family: var(--body-font); }
html[data-style="term"] .site-nav-label {
  font-family: var(--body-font);
  letter-spacing: 0.12em;
}
html[data-style="term"] .site-nav-item {
  font-family: var(--body-font);
  text-transform: uppercase; letter-spacing: 0.04em; font-size: 12px;
}
html[data-style="term"] #site-nav-close { border-radius: 0; }