:root {
  --bg-1: #0a0506;
  --bg-2: #120608;
  --card: rgba(28, 29, 33, 0.62);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #f1f3f5;
  --muted: #c2c7d0;
  --accent: #d0d3d8;
  --glow: 0 0 32px rgba(255, 255, 255, 0.22);
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, #311015, #160709 38%, #0a0506 70%),
              radial-gradient(circle at 80% 0%, #3f1218, #160709 42%, #0a0506 72%),
              linear-gradient(135deg, #0a0506, #120608 68%);
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px 64px;
  gap: 20px;
}

.top-bar {
  width: min(1200px, 100%);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: 8px;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  grid-column: 2;
  justify-self: center;
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.4), 
              0 0 24px rgba(255, 255, 255, 0.1),
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 200ms ease;
  position: relative;
  overflow: hidden;
}

.logo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.logo:hover::before {
  left: 100%;
}

.logo:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 
              0 0 32px rgba(255, 255, 255, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.logo img {
  height: 52px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 1;
  position: relative;
  z-index: 1;
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  will-change: transform;
}

.logo:hover img {
  filter: brightness(0) invert(1) brightness(1.1);
}

.desktop-nav {
  grid-column: 3;
  justify-self: end;
  display: none;
  align-items: center;
  gap: 12px;
}

.desktop-nav .nav-link {
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-radius: 999px;
  transition: all 150ms ease;
  font-size: 0.95rem;
  position: relative;
}

.desktop-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.desktop-nav .nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.desktop-nav .nav-link.active::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 999px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.menu-toggle {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 999px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transition: all 150ms ease;
  font-size: 1.4rem;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
}

@media (min-width: 769px) {
  .desktop-nav {
    display: flex;
  }
  .menu-toggle {
    display: none;
  }
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 5, 6, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 999px;
  cursor: pointer;
  transition: all 150ms ease;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-close:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 300px;
}

.mobile-nav .nav-link {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-radius: 12px;
  text-align: center;
  transition: all 150ms ease;
  position: relative;
}

.mobile-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.18);
}

.mobile-nav .nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.mobile-nav .nav-link.active::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35);
}

.lang-switch select {
  background: transparent;
  border: none;
  color: var(--text);
  font-weight: 600;
  padding: 4px 0;
  outline: none;
}

.lang-switch option {
  color: #0b1021;
}

.page-footer {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  justify-content: center;
}

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 20%, #311015, #160709 38%, #0a0506 70%),
              radial-gradient(circle at 80% 0%, #3f1218, #160709 42%, #0a0506 72%),
              linear-gradient(135deg, #0a0506, #120608 68%);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  overflow: hidden;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.preloader-logo {
  height: 90px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

/* Image skeleton loading styles */
.skeleton-image {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.skeleton-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  animation: skeleton-sweep 2s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes skeleton-sweep {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.image-container {
  position: relative;
  overflow: hidden;
}

.image-skeleton {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.image-container img {
  position: relative;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-container img.loaded {
  opacity: 1;
}