/* ═══════════════════════════════════════════════════════════════
   SAPERE PLUS · "La Firma" Navbar — Ghost + Full-Screen Overlay
   Înlocuiește complet orice .site-header / nav styles anterioare.
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. Site header wrapper ─────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  pointer-events: none;
}

/* ── 2. Header bar — ghost strip ────────────────────────────── */

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  background: transparent;
  border-bottom: 1px solid transparent;
  pointer-events: all;
  transition:
    background 0.4s cubic-bezier(0.22, 0.61, 0.36, 1),
    border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.site-header.scrolled .header-bar {
  background: rgba(249, 247, 237, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border-light);
}

[data-theme="dark"] .site-header.scrolled .header-bar {
  background: rgba(12, 10, 7, 0.96);
  border-bottom-color: var(--border);
}

/* ── 3. Logo ─────────────────────────────────────────────────── */

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  position: static !important;
  transform: none !important;
  left: auto !important;
}

.logo-s {
  stroke: var(--ink);
  transition: stroke 0.35s ease;
}

.logo-plus {
  stroke: var(--sienna);
  transition: stroke 0.35s ease;
}

.logo-text {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color 0.35s ease;
}

[data-theme="dark"] .logo-s { stroke: var(--graphite); }
[data-theme="dark"] .logo-plus { stroke: var(--amber); }
[data-theme="dark"] .logo-text { color: var(--graphite); }

/* ── 4. Menu trigger ─────────────────────────────────────────── */

.menu-trigger {
  display: flex;
  align-items: center;
  gap: 9px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  color: inherit;
}

.menu-trigger-label {
  font-family: "Barlow Condensed", Arial Narrow, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink) !important;
  opacity: 0.8;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.menu-trigger:hover .menu-trigger-label {
  color: var(--ink);
  opacity: 1;
}

[data-theme="dark"] .menu-trigger:hover .menu-trigger-label {
  color: var(--ink);
}

.menu-trigger-mark {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.menu-trigger-mark span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--ink);
  transition: background 0.2s ease, transform 0.3s ease, opacity 0.3s ease;
}

.menu-trigger:hover .menu-trigger-mark span {
  background: var(--ink);
}

[data-theme="dark"] .menu-trigger:hover .menu-trigger-mark span {
  background: var(--ink);
}

/* ── 5. Navigation overlay ───────────────────────────────────── */

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--parchment);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}

[data-theme="dark"] .nav-overlay {
  background: var(--parchment);
}

/* ── 6. Overlay top bar ──────────────────────────────────────── */

.nav-overlay-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-light);
}

[data-theme="dark"] .nav-overlay-bar {
  border-bottom-color: var(--border);
}

/* ── 7. Close button ─────────────────────────────────────────── */

.nav-overlay-close {
  display: flex;
  align-items: center;
  gap: 9px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
}

.nav-overlay-close-label {
  font-family: "Barlow Condensed", Arial Narrow, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink) !important;
  opacity: 0.55;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-overlay-close:hover .nav-overlay-close-label {
  color: var(--ink);
  opacity: 1;
}

.nav-overlay-close-mark {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 16px;
  height: 13px;
  position: relative;
}

.nav-overlay-close-mark span {
  display: block;
  position: absolute;
  width: 16px;
  height: 1px;
  background: var(--ink);
  top: 50%;
  transition: background 0.2s ease;
}

.nav-overlay-close-mark span:first-child {
  transform: rotate(45deg);
}

.nav-overlay-close-mark span:last-child {
  transform: rotate(-45deg);
}

.nav-overlay-close:hover .nav-overlay-close-mark span {
  background: var(--ink);
}

/* ── 8. Overlay body — nav links ─────────────────────────────── */

.nav-overlay-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(1.5rem, 4vw, 3rem) 2rem;
}

.nav-overlay-nav {
  display: flex;
  flex-direction: column;
}

.nav-overlay-link {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.38s ease,
    transform 0.38s ease,
    color 0.2s ease;
}

.nav-overlay-link:first-child {
  border-top: 1px solid var(--border-light);
}

.nav-overlay-link.active {
  color: var(--sienna);
}

.nav-overlay-link:hover {
  color: var(--sienna);
}

[data-theme="dark"] .nav-overlay-link {
  border-color: var(--border);
}

[data-theme="dark"] .nav-overlay-link:first-child {
  border-top-color: var(--border);
}

/* Stagger animation */
.nav-overlay.open .nav-overlay-link {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay.open .nav-overlay-link:nth-child(1) { transition-delay: 0.04s; }
.nav-overlay.open .nav-overlay-link:nth-child(2) { transition-delay: 0.09s; }
.nav-overlay.open .nav-overlay-link:nth-child(3) { transition-delay: 0.14s; }
.nav-overlay.open .nav-overlay-link:nth-child(4) { transition-delay: 0.19s; }
.nav-overlay.open .nav-overlay-link:nth-child(5) { transition-delay: 0.24s; }

/* Arrow indicator */
.nav-overlay-arrow {
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--ink);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.nav-overlay-link:hover .nav-overlay-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--sienna);
}

/* ── 9. Overlay secondary links ──────────────────────────────── */

.nav-overlay-secondary {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  opacity: 0;
  transition: opacity 0.3s 0.32s ease;
  text-align: center;
  justify-content: center;
  color: var(--ink);
}

.nav-overlay.open .nav-overlay-secondary {
  opacity: 1;
}

.nav-overlay-sec-link {
  font-family: "EB Garamond", Georgia, serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink);
  opacity: 1;
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: opacity 0.2s ease;
}



.nav-overlay-sec-sep {
  display: block;
  width: 1px;
  height: 10px;
  background: var(--parchment);
  flex-shrink: 0;
  color: var(--ink);
}

[data-theme="dark"] .nav-overlay-sec-sep {
  background: var(--ink);
}

/* Tabindex management — when overlay is open, enable focus */
.nav-overlay.open .nav-overlay-link,
.nav-overlay.open .nav-overlay-close,
.nav-overlay.open .nav-overlay-sec-link {
  tabindex: 0;
}

/* ── 10. Header spacer ───────────────────────────────────────── */

.header-spacer {
  height: 52px;
}

/* ── 11. Responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
  .nav-overlay-link {
    font-size: 2rem;
    padding: 1rem 0;
  }

  .nav-overlay-secondary {
    gap: 14px;
    flex-wrap: wrap;
  }
}