/* ── Buttons ──────────────────────────────── */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 1.1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: all var(--dur-base) var(--ease-luxury);
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
}

.btn--primary {
  background: var(--gold-primary);
  color: var(--bg-deep);
}

.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold-bright);
  transform: translateY(101%);
  transition: transform var(--dur-base) var(--ease-luxury);
  z-index: -1;
}

.btn--primary:hover::before { transform: translateY(0); }
.btn--primary:hover { box-shadow: 0 12px 36px rgba(232, 200, 120, 0.32); transform: translateY(-2px); }

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn--secondary:hover {
  background: var(--gold-primary);
  color: var(--bg-deep);
  border-color: var(--gold-primary);
  transform: translateY(-2px);
}

/* ── Navbar ──────────────────────────────── */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-navbar);
  padding-block: var(--sp-6);
  transition: all var(--dur-base) var(--ease-luxury);
}

.navbar.is-scrolled {
  padding-block: var(--sp-3);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  background: rgba(10, 10, 10, 0.65);
  border-bottom: 1px solid var(--border-soft);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.navbar__logo {
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  color: var(--text-primary);
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--gold-primary);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--gold-primary);
}

.logo-text em {
  font-style: italic;
  font-weight: 700;
  color: var(--gold-primary);
}

.navbar__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  gap: var(--sp-10);
}

.nav-list a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease-luxury);
}

.nav-list a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-primary);
  transition: width var(--dur-base) var(--ease-luxury);
}

.nav-list a:hover { color: var(--gold-primary); }
.nav-list a:hover::after { width: 100%; }
.nav-list a.is-active { color: var(--gold-primary); }
.nav-list a.is-active::after { width: 100%; }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

/* ── Language switcher ──────────────────── */

.lang-switcher {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: rgba(245, 241, 232, 0.02);
}

.lang-btn {
  padding: 0.4rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  border-radius: 999px;
  transition: all var(--dur-fast) var(--ease-luxury);
}

.lang-btn:hover { color: var(--text-primary); }

.lang-btn.is-active {
  background: var(--gold-primary);
  color: var(--bg-deep);
}

/* ── Burger ──────────────────────────────── */

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
}

.burger span {
  display: block;
  width: 14px;
  height: 1.5px;
  background: var(--gold-primary);
  transition: transform var(--dur-base) var(--ease-luxury), opacity var(--dur-fast);
}

.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile menu ────────────────────────── */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile);
  background: var(--bg-deep);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-luxury);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}

.mobile-menu ul a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 9vw, 3.5rem);
  color: var(--text-primary);
  transition: color var(--dur-fast) var(--ease-luxury);
}

.mobile-menu ul a:hover { color: var(--gold-primary); }

.mobile-menu__lang {
  position: absolute;
  bottom: var(--sp-12);
  display: flex;
  gap: var(--sp-2);
  padding: 0.3rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
}

/* ── Loader ──────────────────────────────── */

.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: grid;
  place-items: center;
  background: var(--bg-deep);
  transition: opacity var(--dur-slow) var(--ease-luxury), visibility var(--dur-slow);
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 4rem;
  color: var(--gold-primary);
  position: relative;
  animation: loaderPulse 1.4s ease-in-out infinite;
}

.loader__mark::after {
  content: "";
  position: absolute;
  inset: -16px;
  border: 1px solid var(--gold-primary);
  border-radius: 50%;
  animation: loaderRing 1.4s ease-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(0.92); }
}

@keyframes loaderRing {
  0%   { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}