:root {
  --primary: #d4480c;
  --secondary: #ffffff;
  --background: #ffffff;
  --text-main: #171717;
  --text-muted: #52525b;
  --border: #e4e4e7;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --radius: 16px;
  --font-sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.8;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

/* Navigation */
nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav ul li {
  position: relative;
}

nav ul li a {
  font-weight: 500;
  color: var(--text-main);
  display: block;
  padding: 0.5rem 0;
}

nav ul li a:hover {
  color: var(--primary);
}

/* Dropdown Menu Styles */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a::after {
  content: '▾';
  margin-left: 4px;
  display: inline-block;
  transition: var(--transition);
  opacity: 0.6;
}

.nav-dropdown:hover > a::after {
  transform: rotate(180deg);
}

.nav-dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1000;
  padding: 0.75rem;
  margin-top: 0.5rem;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.nav-dropdown:hover .nav-dropdown-content,
.nav-dropdown:focus-within .nav-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-content li a {
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
  display: block;
}

.nav-dropdown-content li a:hover {
  background: var(--secondary);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 1.5rem;
  margin: 3rem 0;
}

.bento-item {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
}

.bento-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.bento-item.featured {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--text-main);
  color: var(--secondary);
}

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

.bento-item.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--secondary);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 12px rgba(212, 72, 12, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-title {
  margin-bottom: 3rem;
  text-align: center;
}

/* Cards & Content */
.card {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--primary);
  color: var(--secondary);
  font-size: 0.75rem; 
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  background: #f9f9f9;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2rem;
}

/* Utilities */
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }

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

@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-item.featured, .bento-item.wide {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  header {
    flex-direction: column;
    height: auto;
    padding: 1.5rem;
  }
  nav ul {
    gap: 1rem;
    margin-top: 1.5rem;
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
  }
  nav ul li {
    width: 100%;
  }
  .nav-dropdown-content {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    background: rgba(0, 0, 0, 0.03);
    backdrop-filter: none;
    border: none;
    box-shadow: none;
    margin-top: 0.5rem;
    padding: 0.5rem;
    min-width: 100%;
    border-radius: 12px;
  }
  .nav-dropdown:hover .nav-dropdown-content,
  .nav-dropdown:focus-within .nav-dropdown-content {
    display: grid;
    transform: none;
  }
  .nav-dropdown-content li a {
    background: transparent;
    padding: 0.6rem 1rem;
    border: none;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
  animation: fadeIn 0.6s ease-out forwards;
}