/* ═══════════════════════════════════════════
   D'LOGIA — Navigation
   nav.css
═══════════════════════════════════════════ */

#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 18px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(9,9,14,0.82);
  border-bottom: 1px solid var(--border);
  transition: padding var(--t-base), background var(--t-base);
}

#nav.scrolled {
  padding: 12px 48px;
  background: rgba(9,9,14,0.95);
  border-bottom-color: var(--borderH);
}

/* Logo */
.nav-logo {
  font-family: var(--fd);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 1px;
}
.nav-logo .apostrophe { color: var(--accent); }

/* Logo animation — compile effect on load */
.nav-logo .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(8px);
  animation: char-in 0.4s ease forwards;
}
@keyframes char-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Links */
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
  transition: color var(--t-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 100%;
  height: 1px;
  background: var(--accent);
  transition: right var(--t-base);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { right: 0; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { right: 0; }

/* CTA */
.nav-cta {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  transition: background var(--t-fast), transform var(--t-fast);
}
.nav-cta:hover { background: var(--accentH); transform: translateY(-1px); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--muted);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 57px; left: 0; right: 0;
  background: rgba(9,9,14,0.97);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 18px;
  z-index: 199;
  backdrop-filter: blur(20px);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 16px;
  color: var(--muted);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--t-fast);
}
.nav-mobile a:hover { color: var(--text); }

@media (max-width: 920px) {
  #nav { padding: 16px 20px; }
  #nav.scrolled { padding: 12px 20px; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}