@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-dim: #94A3B8;
  --border-color: #E2E8F0;
  --border-hover: #CBD5E1;
  --primary: #6D5DFB;
  --primary-hover: #5847E8;
  --primary-soft: #F1EFFF;
  --primary-glow: rgba(109, 93, 251, 0.2);
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-pink: #EC4899;
  --accent-cyan: #06B6D4;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 35px -4px rgba(15, 23, 42, 0.1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-main);
}

/* Typography Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #F8FAFC;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Light Card Panels */
.light-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.glass-card-interactive {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.glass-card-interactive:hover {
  border-color: rgba(109, 93, 251, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Gradient & Accent Text */
.gradient-text {
  background: linear-gradient(135deg, #6D5DFB 0%, #8B5CF6 50%, #4F46E5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(109, 93, 251, 0.35);
}

.btn-secondary {
  background: #F1F5F9;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #E2E8F0;
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* Form Inputs */
.form-input {
  width: 100%;
  padding: 12px 16px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: #E2E8F0;
  border-radius: 3px;
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 8px var(--primary-glow);
  transition: var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Interactive Dropzone */
.dropzone {
  border: 2px dashed #CBD5E1;
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.dropzone:hover, .dropzone.active {
  border-color: var(--primary);
  background: var(--primary-soft);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.main-content {
  flex: 1;
  padding-top: 24px;
  padding-bottom: 64px;
}

/* Grid Layouts */
.grid-tools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.grid-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

/* Desktop Mega Menu Overlay */
.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  max-width: 95vw;
  max-height: 70vh;
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: menuFade 0.18s ease-out;
}

.mega-menu::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

.has-mega-menu:hover .mega-menu,
.has-mega-menu:focus-within .mega-menu,
.mega-menu.is-active {
  display: block;
}

@keyframes menuFade {
  from { opacity: 0; transform: translate(-50%, 6px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 24px;
}

.mega-category-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mega-column-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--border-color);
}

.mega-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: var(--transition-fast);
  text-decoration: none;
}

.mega-item-link:hover, .mega-item-link:focus {
  color: var(--primary);
  padding-left: 4px;
}

.mega-item-link.is-active-link {
  color: var(--primary);
  font-weight: 700;
}

.coming-soon-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: #F1F5F9;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.mega-view-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: var(--transition-fast);
}

.mega-view-all:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Nav Item Active Highlight */
.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link:focus, .nav-link.is-active {
  color: var(--primary);
  background: var(--primary-soft);
}

.nav-mega-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-mega-btn:hover, .nav-mega-btn:focus, .has-mega-menu.is-active .nav-mega-btn {
  color: var(--primary);
  background: var(--primary-soft);
}

/* Global Nav Search Dropdown */
.nav-search-wrap {
  position: relative;
  width: 220px;
}

.nav-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 1001;
  margin-top: 6px;
}

.nav-search-item {
  display: block;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  text-decoration: none;
}

.nav-search-item:last-child {
  border-bottom: none;
}

.nav-search-item:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  width: 100vw;
  height: calc(100vh - 72px);
  background: #FFFFFF;
  z-index: 999;
  overflow-y: auto;
  padding: 24px;
  border-top: 1px solid var(--border-color);
}

.mobile-drawer.open {
  display: block;
}

.mobile-accordion-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  cursor: pointer;
}

.mobile-accordion-content {
  display: none;
  padding: 8px 0 16px 12px;
  border-bottom: 1px solid var(--border-color);
}

.mobile-accordion-content.open {
  display: block;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

/* Modal Search Overlay */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 80px;
}

.modal-content {
  width: 100%;
  max-width: 680px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* Transparency Checkerboard */
.checkerboard {
  background-color: #F1F5F9;
  background-image: linear-gradient(45deg, #E2E8F0 25%, transparent 25%),
                    linear-gradient(-45deg, #E2E8F0 25%, transparent 25%),
                    linear-gradient(45deg, transparent 75%, #E2E8F0 75%),
                    linear-gradient(-45deg, transparent 75%, #E2E8F0 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .desktop-nav-menu, .mega-menu {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex !important;
  }
}

@media (min-width: 1025px) {
  .mobile-menu-btn {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .grid-tools {
    grid-template-columns: 1fr;
  }
  .grid-categories {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grid-categories {
    grid-template-columns: 1fr;
  }
}