/* ============================================================
   NAVIGATION — Ronin Development Group
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(11,11,11,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
}

.site-header.is-scrolled {
  background: rgba(11,11,11,0.97);
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img,
.nav-logo svg {
  height: 44px;
  width: auto;
  max-width: 280px;
  transition: opacity var(--transition);
}

.nav-logo:hover img,
.nav-logo:hover svg {
  opacity: 0.85;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* Services dropdown */
[data-services-parent] {
  position: relative;
}

[data-services-dropdown] {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) 0;
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateX(-50%) translateY(-6px);
  box-shadow: var(--shadow-lg);
}

[data-services-dropdown].is-visible {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

[data-services-dropdown] a {
  display: block;
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

[data-services-dropdown] a:hover {
  color: var(--color-gold);
  background: rgba(199,154,91,0.06);
}

[data-services-dropdown] a::after { display: none; }

/* CTA button in nav */
.nav-cta {
  font-size: var(--text-xs) !important;
  padding: var(--space-2) var(--space-5) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.12em !important;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  color: var(--color-gold);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    background: rgba(11,11,11,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-8) var(--space-6);
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-links a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-sm);
    color: var(--color-text);
  }

  .nav-links a::after { display: none; }

  [data-services-dropdown] {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: all;
    background: rgba(255,255,255,0.04);
    border: none;
    border-left: 2px solid var(--color-gold);
    box-shadow: none;
    padding: var(--space-2) 0 var(--space-2) var(--space-4);
    margin: 0;
    display: none;
    flex-direction: column;
    gap: 0;
  }

  [data-services-dropdown] a {
    padding: var(--space-3) var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    letter-spacing: 0.05em;
  }

  [data-services-dropdown] a:last-child {
    border-bottom: none;
  }

  [data-services-dropdown] a:hover,
  [data-services-dropdown] a:active {
    color: var(--color-gold);
  }

  [data-services-parent]:has([data-services-toggle]:focus) [data-services-dropdown],
  [data-services-dropdown].is-visible {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    margin-top: var(--space-4);
    align-self: stretch;
    justify-content: center;
  }
}