/* ============================================================
   nav.css — Navigation bar styles
   ============================================================ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gap);
  z-index: 100;
  transition: background 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}

/* Nav darkens when user scrolls down — controlled by js/nav.js */
nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  border-color: rgba(200, 169, 110, 0.15);
}

/* Logo */
.nav-logo {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ivory);
  letter-spacing: -0.3px;
}
.nav-logo span {
  color: var(--amber);
}

/* Desktop links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  color: var(--ash-light);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--duration);
}
.nav-links a:hover {
  color: var(--ivory);
}

/* "Get in touch" button in nav */
.nav-cta {
  padding: 9px 22px;
  border: 1px solid var(--amber);
  color: var(--amber) !important;
  border-radius: 2px;
  transition: background var(--duration), color var(--duration) !important;
}
.nav-cta:hover {
  background: var(--amber);
  color: var(--obsidian) !important;
}

/* Hamburger (mobile only — hidden on desktop) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--ivory);
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile full-screen overlay menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--obsidian);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  font-family: var(--serif);
  font-size: 36px;
  color: var(--ivory);
  transition: color var(--duration);
}
.mobile-menu a:hover {
  color: var(--amber);
}