/* ============================================================
   NAV.CSS — Premium Sensation
   Depends on: base.css (custom properties)
============================================================ */

/* ============================================================
   NAV SHELL
============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 48px;
  transition: background 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(26, 20, 14, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(201, 169, 110, 0.15);
}

.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   NAV LOGO
============================================================ */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo .logo-img {
  height: 50px;
  width: auto;
  display: block;
}

/* ============================================================
   NAV LINKS
============================================================ */
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
  cursor: pointer;
}

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

/* ============================================================
   NAV CTA
============================================================ */
.nav-cta {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(201, 169, 110, 0.55);
  padding: 10px 20px;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
  cursor: pointer;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

/* ============================================================
   LANGUAGE SWITCHER
============================================================ */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 16px;
}

.lang-switcher button {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  background: none;
  border: none;
  padding: 6px 8px;
  cursor: pointer;
  transition: color 0.2s;
}

.lang-switcher button:hover,
.lang-switcher button.active {
  color: var(--white);
}

.lang-switcher button.active {
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

/* ============================================================
   HAMBURGER BUTTON
============================================================ */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.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-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--black);
  z-index: 999;
  flex-direction: column;
  padding: 48px;
  gap: 0;
  overflow-y: auto;
}

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

.nav-mobile-menu a {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 700;
  color: var(--white);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: opacity 0.2s;
  display: block;
}

.nav-mobile-menu a:hover {
  opacity: 0.6;
}

.nav-mobile-menu .mobile-cta {
  margin-top: 40px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 16px 24px;
  text-align: center;
  color: var(--white);
}

/* ============================================================
   RESPONSIVE — 1024px
============================================================ */
@media (max-width: 1024px) {
  .nav {
    padding: 0 32px;
  }

  .nav-links {
    gap: 28px;
  }
}

/* ============================================================
   RESPONSIVE — 768px
============================================================ */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav {
    padding: 0 24px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  /* Hide desktop lang-switcher, show inside mobile menu instead */
  .nav-inner > .lang-switcher {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  /* Language switcher inside mobile menu */
  .nav-mobile-menu .lang-switcher {
    display: flex;
    width: 100%;
    gap: 0;
    margin-top: 32px;
    margin-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
  }

  .nav-mobile-menu .lang-switcher button {
    flex: 1;
    font-size: 12px;
    letter-spacing: 0.14em;
    padding: 12px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
  }

  .nav-mobile-menu .lang-switcher button:hover,
  .nav-mobile-menu .lang-switcher button.active {
    color: var(--white);
  }

  .nav-mobile-menu .lang-switcher button.active {
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  }
}

/* ============================================================
   RESPONSIVE — 480px
============================================================ */
@media (max-width: 480px) {
  .nav-mobile-menu {
    padding: 32px 24px;
  }
}