/* Standalone site nav for pages that do NOT load styles/main.css
   (e.g. pdf-toolbox.html, which ships its own design system).
   Copy of the nav rules in styles/main.css, scoped to #nav / #mobileMenu so
   the portfolio variables don't leak into the host page. Always solid
   (no transparent-at-top state) since the host page may be light. */

#nav,
#mobileMenu {
  --bg: #1a1816;
  --bg3: #2e2a26;
  --line: rgba(255, 248, 238, 0.07);
  --line2: rgba(255, 248, 238, 0.12);
  --ink: #f5f0e8;
  --ink2: #a89f96;
  --amber: #d4925c;
  --amber2: #e8b07a;
  --radius-sm: 8px;
  --serif: "Lora", Georgia, serif;
  --mono: "JetBrains Mono", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root { --site-nav-h: 62px; }

#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(26, 24, 22, 0.88);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 248, 238, 0.03);
}
#nav .logo-wrap {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
#nav .logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: color 0.2s;
}
#nav .logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: linear-gradient(145deg, rgba(212, 146, 92, 0.26), rgba(212, 146, 92, 0.08));
  border: 1px solid rgba(212, 146, 92, 0.42);
  box-shadow: inset 0 0 0 1px rgba(255, 248, 238, 0.06);
}
#nav .logo-wrap:hover .logo { color: var(--amber2); }
#nav .navLinks {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
#nav .navLinks a {
  font-size: 0.72rem;
  color: var(--ink2);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.2s;
  font-family: var(--mono);
}
#nav .navLinks a:hover,
#nav .navLinks a.active { color: var(--ink); }
#nav .navCta {
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--amber);
  text-decoration: none;
  border: 1px solid rgba(200, 132, 74, 0.35);
  padding: 0.5rem 1.2rem;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
#nav .navCta:hover {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
}
#nav .navToggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line2);
  border-radius: var(--radius-sm);
  background: var(--bg3);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color 0.2s, background 0.2s;
}
#nav .navToggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
#nav .navToggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
#nav .navToggle.open span:nth-child(2) { opacity: 0; }
#nav .navToggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
#nav .navToggle:hover { border-color: var(--amber); }

#mobileMenu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(26, 24, 22, 0.97);
  backdrop-filter: blur(24px);
  padding: 6rem 2rem 2rem;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
#mobileMenu.open { opacity: 1; visibility: visible; }
#mobileMenu a {
  font-family: var(--serif);
  font-size: 1.75rem;
  color: var(--ink2);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(16px);
  transition: color 0.2s, padding-left 0.3s var(--ease), opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
#mobileMenu.open a { opacity: 1; transform: translateY(0); }
#mobileMenu a:hover { color: var(--amber2); padding-left: 0.5rem; }
#mobileMenu .mm-cta {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber);
  border: 1px solid rgba(212, 146, 92, 0.4);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
}

@media (max-width: 1360px) {
  #nav { padding-left: 2rem; padding-right: 2rem; }
  #nav .logo { font-size: 1.05rem; }
  #nav .navLinks { gap: 1.3rem; }
  #nav .navLinks a { font-size: 0.64rem; }
  #nav .navCta { padding: 0.5rem 0.9rem; font-size: 0.64rem; }
}
@media (max-width: 900px) {
  :root { --site-nav-h: 76px; }
  #nav { padding: 1rem 2rem; }
  #nav .navLinks, #nav .navCta { display: none; }
  #nav .navToggle { display: flex; }
  #mobileMenu { display: flex; }
}
@media (max-width: 480px) {
  #nav { padding: 1rem 1.5rem; }
}