:root {
  --primary: #0077CC;
  --secondary: #FFD700;
  --bg-color: #ffffff;
  --text-color: #171717;
  --text-muted: #4a4a4a;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --sky-gradient: linear-gradient(135deg, #e0f2ff 0%, #ffffff 100%);
  --shadow: 0 8px 32px 0 rgba(0, 119, 204, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 119, 204, 0.03) 0, transparent 50%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
}

/* Navigation & Multilevel Menu */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 5%;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-item, .nav-menu li {
  position: relative;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
}

.nav-link:hover {
  color: var(--primary);
}

/* Multilevel Dropdown */
.dropdown, .nav-menu ul {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-color);
  min-width: 240px;
  box-shadow: var(--shadow);
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px) scale(0.95);
  transform-origin: top center;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), visibility 0.3s;
  padding: 0.5rem 0;
  border: 1px solid var(--glass-border);
  list-style: none;
  z-index: 100;
}

.nav-item:hover > .dropdown, .nav-menu li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown .dropdown, .nav-menu ul ul {
  top: -0.5rem;
  left: 100%;
  transform: translateX(15px) scale(0.95);
  transform-origin: left top;
}

.dropdown-item, .nav-menu ul li {
  position: relative;
  padding: 0;
}

.dropdown-item:hover > .dropdown, .nav-menu ul li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) scale(1);
}

.dropdown-link, .nav-menu ul a {
  text-decoration: none;
  color: var(--text-color);
  display: block;
  transition: var(--transition);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
}

.dropdown-link:hover, .nav-menu ul a:hover {
  color: var(--primary);
  background: rgba(0, 119, 204, 0.05);
  padding-left: 2rem;
}

/* Multilevel Dropdown Indicators using :has */
.nav-menu li:has(> ul) > a::after,
.nav-menu li:has(> .dropdown) > a::after {
  content: '▾';
  font-size: 0.8rem;
  margin-left: 0.4rem;
  opacity: 0.7;
}

.nav-menu ul li:has(> ul) > a::after,
.dropdown li:has(> .dropdown) > a::after {
  content: '▸';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 0;
}

/* Shop CTA */
.cta-shop {
  background: linear-gradient(135deg, var(--primary), #005fa3);
  color: white !important;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0, 119, 204, 0.4);
  animation: pulse 2s infinite;
  display: inline-block;
  text-align: center;
  transition: all 0.3s ease;
}

.cta-shop:hover {
  background: linear-gradient(135deg, #005fa3, #00457a);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 119, 204, 0.6);
  animation: none;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

/* Bento Grid Layout */
.container {
  max-width: 1400px;
  margin: 4rem auto;
  padding: 0 5%;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(200px, auto);
  gap: 1.5rem;
}

.bento-item {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--shadow);
}

.bento-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

.bento-large {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--sky-gradient);
}

.bento-tall {
  grid-row: span 2;
}

.bento-wide {
  grid-column: span 2;
}

.bento-item h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.bento-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Specific Content Accents */
.accent-line {
  width: 40px;
  height: 4px;
  background: var(--secondary);
  margin-bottom: 1rem;
  border-radius: 2px;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text-color);
  border: none;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

button:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Footer */
footer {
  margin-top: 5rem;
  padding: 3rem 5% 2rem;
  background: transparent;
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.footer-section h4 {
  display: none;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.footer-links li {
  margin-bottom: 0;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.85rem;
  width: 100%;
  max-width: 800px;
}

/* Responsive */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-menu {
    gap: 1rem;
  }
  .nav-menu > li:not(:has(.cta-shop)):not(.cta-shop) {
    display: none;
  }
  
  /* Collapsible Sub-categories for Mobile if active */
  .nav-menu.active {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--bg-color);
    padding: 1rem 5%;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
  }
  .nav-menu.active > li {
    display: block !important;
  }
  .nav-menu.active ul, .nav-menu.active .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-large, .bento-wide, .bento-tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}