/* ============================================================
   InnovaBlack — Header canónico (single source of truth)
   ============================================================
   Cambia este archivo → todas las páginas se actualizan.
   Variables CSS con fallbacks por si la página no las define.
   ============================================================ */

#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 var(--pad-x, 80px);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
  font-family: var(--body, 'DM Sans', system-ui, sans-serif);
}

#nav.scrolled {
  background: rgba(6, 6, 6, 0.85);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

#nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
}

#nav .nav-logo {
  font-family: var(--display, 'Outfit', sans-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--white, #f0ece6);
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

#nav .nav-logo-mark {
  height: 32px;
  width: 32px;
  border-radius: 6px;
  display: block;
}

#nav .nav-logo span {
  color: var(--gold, #c8a44e);
  font-weight: 800;
}

#nav .nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  padding: 0;
  margin: 0;
}

#nav .nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(240, 236, 230, 0.7);
  letter-spacing: 0.02em;
  transition: color 0.2s;
  position: relative;
  text-decoration: none;
}

#nav .nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold, #c8a44e);
  transition: width 0.3s var(--ease, cubic-bezier(0.16, 1, 0.3, 1));
}

#nav .nav-links a:hover {
  color: var(--white, #f0ece6);
}

#nav .nav-links a:hover::after {
  width: 100%;
}

#nav .nav-cta {
  font-family: var(--body, 'DM Sans', system-ui, sans-serif);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bg, #060606);
  background: var(--gold, #c8a44e);
  padding: 10px 22px;
  transition: all 0.3s var(--ease, cubic-bezier(0.16, 1, 0.3, 1));
  text-decoration: none;
  display: inline-block;
  border: none;
  cursor: pointer;
}

#nav .nav-cta:hover {
  background: var(--gold2, #dab95f);
  box-shadow: 0 4px 20px rgba(200, 164, 78, 0.2);
}

#nav .nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

#nav .nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white, #f0ece6);
  transition: all 0.3s var(--ease, cubic-bezier(0.16, 1, 0.3, 1));
}

/* Mobile menu drawer */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(6, 6, 6, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px var(--pad-x, 80px);
  z-index: 99;
  flex-direction: column;
  gap: 0;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--white, #f0ece6);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.2s;
  text-decoration: none;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--gold, #c8a44e);
}

@media (max-width: 768px) {
  #nav .nav-links,
  #nav .nav-cta {
    display: none;
  }
  #nav .nav-hamburger {
    display: flex;
  }
}

@media (max-width: 1024px) {
  #nav {
    padding: 0 40px;
  }
  .mobile-menu {
    padding: 24px 40px;
  }
}

@media (max-width: 640px) {
  #nav {
    padding: 0 24px;
  }
  .mobile-menu {
    padding: 24px;
  }
}