/**
 * Cynor Chemical Catalogue & Technical Resource Platform
 * Design System, Core Tokens, Typography, Micro-interactions & Skeleton Shimmer
 */

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

.font-script {
  font-family: 'Caveat', 'Dancing Script', cursive;
}

:root {
  /* Primary Brand Tokens */
  --color-navy: #0B2340;
  --color-navy-dark: #07172B;
  --color-navy-light: #16375E;
  
  /* Primary Brand Tokens (Matching Official Cynor Orange Logo) */
  --color-brand-orange: #FF7A00;
  --color-brand-orange-hover: #E56E00;
  --color-brand-orange-dark: #C95E00;
  --color-brand-orange-light: #FFF5EC;
  --color-brand-orange-border: #FED7AA;
  --color-brand-orange-glow: rgba(255, 122, 0, 0.25);

  --color-blue-sci: #FF7A00;
  --color-blue-sci-hover: #E56E00;
  --color-blue-bright: #FFA34D;
  --color-blue-glow: rgba(255, 122, 0, 0.2);
  
  /* Background Neutrals (70% balance) */
  --bg-white: #FFFFFF;
  --bg-soft-blue: #F4F9FD;
  --bg-light-gray: #F7F9FC;
  --bg-surface: #FAFCFE;
  --border-color: #E3EAF1;
  --border-subtle: #EEF3F8;
  --border-dark: #CBD7E3;
  
  /* Typography Colors */
  --text-primary: #102A43;
  --text-secondary: #526579;
  --text-muted: #7B8B9A;
  --text-inverse: #FFFFFF;
  
  /* Technical Document Accent Tokens (5% balance) */
  --accent-sds: #0878D1;
  --accent-sds-bg: #EAF4FD;
  --accent-sds-border: #BFDEFA;
  
  --accent-coa: #0D9488;
  --accent-coa-bg: #E6F7F5;
  --accent-coa-border: #B2EBF2;
  
  --accent-tds: #16A34A;
  --accent-tds-bg: #EDFAF0;
  --accent-tds-border: #BBF7D0;
  
  --accent-reg: #7C3AED;
  --accent-reg-bg: #F5EEFF;
  --accent-reg-border: #DDD6FE;
  
  --accent-article: #4F46E5;
  --accent-article-bg: #EEF2FF;
  --accent-article-border: #C7D2FE;
  
  /* Layout & Grid */
  --container-max: 1440px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(11, 35, 64, 0.04), 0 1px 2px rgba(11, 35, 64, 0.02);
  --shadow-card: 0 4px 14px rgba(11, 35, 64, 0.05), 0 1px 3px rgba(11, 35, 64, 0.03);
  --shadow-hover: 0 12px 30px rgba(11, 35, 64, 0.09), 0 4px 10px rgba(11, 35, 64, 0.04);
  --shadow-dropdown: 0 16px 36px rgba(11, 35, 64, 0.12), 0 6px 12px rgba(11, 35, 64, 0.06);
  --shadow-modal: 0 25px 60px -12px rgba(11, 35, 64, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

body.cynor-catalogue {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  color: var(--color-navy);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-top: 0;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Typography Hierarchy */
.hero-heading {
  font-size: clamp(2.5rem, 4.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-navy);
}

.section-heading {
  font-size: clamp(1.85rem, 3vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-navy);
}

.page-heading {
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.card-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
}

.body-lg {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.body-md {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.body-sm {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.text-meta {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-muted);
}

/* Grid & Containers */
.catalogue-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 1024px) {
  .catalogue-container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

/* ==========================================================================
   SKELETON SHIMMER LOADERS & LOADING EFFECTS (User Specified Requirement)
   ========================================================================== */

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

.skeleton {
  background: linear-gradient(
    90deg,
    #F0F4F8 0%,
    #F9FBFC 35%,
    #E8EFF6 50%,
    #F9FBFC 65%,
    #F0F4F8 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
  display: inline-block;
  pointer-events: none;
  user-select: none;
}

.skeleton-text {
  height: 0.95rem;
  width: 100%;
  margin-bottom: 0.5rem;
  border-radius: 4px;
}

.skeleton-text-sm {
  height: 0.75rem;
  width: 60%;
  border-radius: 3px;
}

.skeleton-title {
  height: 1.5rem;
  width: 80%;
  margin-bottom: 0.75rem;
  border-radius: 6px;
}

.skeleton-badge {
  height: 1.35rem;
  width: 5rem;
  border-radius: 9999px;
  display: inline-block;
}

.skeleton-img {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.skeleton-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.skeleton-table-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* Spinner */
.spinner-sci {
  width: 1.5rem;
  height: 1.5rem;
  border: 2.5px solid var(--border-color);
  border-top-color: var(--color-blue-sci);
  border-radius: 50%;
  animation: spin-pulse 0.75s linear infinite;
  display: inline-block;
}

@keyframes spin-pulse {
  to {
    transform: rotate(360deg);
  }
}

/* Top Progress Bar */
#catalogueProgressBar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #FF7A00, #FFA34D);
  z-index: 9999;
  transition: width 200ms ease-out, opacity 300ms ease-in;
  box-shadow: 0 0 10px rgba(255, 122, 0, 0.5);
}

/* ==========================================================================
   SCIENTIFIC PATTERNS & BACKGROUND TEXTURES
   ========================================================================== */

.pattern-molecular {
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px), radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
}

.pattern-molecular-dark {
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px), radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
}

/* Subtle scientific grid lines */
.scientific-grid {
  position: relative;
}
.scientific-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px) 0 0 / 120px 100%;
  opacity: 0.6;
}

/* ==========================================================================
   NAVIGATION & HEADER
   ========================================================================== */

.catalogue-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: box-shadow var(--transition-normal);
}

.catalogue-header.scrolled {
  box-shadow: var(--shadow-subtle);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-blue-sci);
}

/* ==========================================================================
   BUTTONS & ACTIONS
   ========================================================================== */

.btn-primary {
  background: linear-gradient(135deg, #FF7A00 0%, #FA6B00 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(255, 122, 0, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #E56E00 0%, #D85F00 100%);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-navy {
  background-color: var(--color-navy);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-navy:hover {
  background-color: var(--color-navy-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(11, 35, 64, 0.2);
}

.btn-secondary {
  background-color: var(--bg-white);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  box-shadow: var(--shadow-subtle);
}

.btn-secondary:hover {
  border-color: var(--color-brand-orange-border);
  background-color: var(--color-brand-orange-light);
  color: var(--color-brand-orange);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   CARDS & CONTAINERS
   ========================================================================== */

.chem-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.chem-card:hover {
  border-color: var(--color-brand-orange-border);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.category-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.category-card:hover {
  border-color: var(--color-brand-orange-border);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.category-card:hover .cat-img {
  transform: scale(1.04);
}

.cat-img {
  transition: transform var(--transition-smooth);
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* Technical Accent Badges */
.badge-cas {
  background-color: #FFF5EC;
  color: #EA580C;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid #FED7AA;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-grade {
  background-color: #F3F4F6;
  color: #374151;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid #E5E7EB;
}

.badge-purity {
  background-color: #ECFDF5;
  color: #065F46;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid #A7F3D0;
}

/* Document Type Pills */
.doc-pill-sds {
  background-color: var(--accent-sds-bg);
  color: var(--accent-sds);
  border: 1px solid var(--accent-sds-border);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background-color var(--transition-fast);
}
.doc-pill-sds:hover {
  background-color: #D9EDFC;
}

.doc-pill-coa {
  background-color: var(--accent-coa-bg);
  color: var(--accent-coa);
  border: 1px solid var(--accent-coa-border);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background-color var(--transition-fast);
}
.doc-pill-coa:hover {
  background-color: #CFF0EC;
}

.doc-pill-tds {
  background-color: var(--accent-tds-bg);
  color: var(--accent-tds);
  border: 1px solid var(--accent-tds-border);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background-color var(--transition-fast);
}
.doc-pill-tds:hover {
  background-color: #D8F5DE;
}

/* ==========================================================================
   TECHNICAL SPECIFICATION TABLES (Datasheet Quality)
   ========================================================================== */

.table-technical {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9375rem;
}

.table-technical th {
  background-color: var(--bg-soft-blue);
  color: var(--color-navy);
  font-weight: 700;
  text-align: left;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.table-technical th:first-child {
  border-top-left-radius: var(--radius-md);
}
.table-technical th:last-child {
  border-top-right-radius: var(--radius-md);
}

.table-technical td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.table-technical tr:hover td {
  background-color: #F8FAFC;
}

.table-technical tr:last-child td {
  border-bottom: none;
}

/* High Density List View Table */
.table-dense {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.table-dense th {
  background-color: #F8FAFC;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}
.table-dense td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}
.table-dense tr:hover td {
  background-color: #F1F6FB;
}

/* ==========================================================================
   SEARCH & FILTER CONTROLS
   ========================================================================== */

.search-omnibox {
  position: relative;
  width: 100%;
}

.search-omnibox input {
  width: 100%;
  height: 3.75rem;
  padding-left: 3.5rem;
  padding-right: 9rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  background-color: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  outline: none;
  box-shadow: 0 4px 18px rgba(11, 35, 64, 0.05);
  transition: all var(--transition-normal);
}

.search-omnibox input:focus {
  border-color: var(--color-brand-orange);
  box-shadow: 0 6px 24px var(--color-brand-orange-glow);
}

.search-omnibox .search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.5rem;
  pointer-events: none;
}

.search-omnibox .search-submit {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
}

/* Suggestion Dropdown */
.search-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dropdown);
  z-index: 90;
  max-height: 420px;
  overflow-y: auto;
}

.suggestion-item {
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.suggestion-item:hover, .suggestion-item.active {
  background-color: var(--color-brand-orange-light);
}

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

/* Filter Checkboxes & Radios */
.filter-group-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.filter-option:hover {
  color: var(--color-blue-sci);
}

.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 4px;
  border: 1px solid var(--border-dark);
  accent-color: var(--color-blue-sci);
  cursor: pointer;
}

/* ==========================================================================
   MODALS & OVERLAYS
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 23, 43, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: #FFFFFF;
  width: 100%;
  max-width: 680px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0) scale(1);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.cynor-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--color-navy);
  color: #FFFFFF;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.cynor-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 768px) {
  .search-omnibox input {
    height: 3.25rem;
    padding-left: 2.75rem;
    padding-right: 5.5rem;
    font-size: 0.95rem;
  }
  .search-omnibox .search-icon {
    left: 0.85rem;
    font-size: 1.25rem;
  }
  .search-omnibox .search-submit {
    padding: 0.5rem 0.85rem;
    font-size: 0.8125rem;
  }
  .table-responsive-stacked {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ==========================================================================
   SMOOTH CINEMATIC ANIMATIONS & MICRO-INTERACTIONS
   ========================================================================== */

/* Keyframe Definitions */
@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes floatSlowSubtle {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-5px) rotate(0.5deg);
  }
}

@keyframes pulseGlowOrange {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 122, 0, 0.45);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(255, 122, 0, 0);
  }
}

@keyframes pulseGlowTeal {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.45);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(13, 148, 136, 0);
  }
}

@keyframes shineSweep {
  0% {
    left: -120%;
  }
  100% {
    left: 200%;
  }
}

@keyframes orbDrift {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(25px, -35px) scale(1.08);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

/* Scroll Reveal Engine Core */
.reveal,
.reveal-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-down {
  opacity: 0;
  transform: translateY(-32px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-right {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

/* Active State Triggered by IntersectionObserver */
.reveal.revealed,
.reveal-up.revealed,
.reveal-down.revealed,
.reveal-left.revealed,
.reveal-right.revealed,
.reveal-scale.revealed {
  opacity: 1 !important;
  transform: translate(0, 0) scale(1) !important;
}

/* Cascading Stagger Transition Delays */
.delay-100, .delay-1 { transition-delay: 100ms !important; }
.delay-150 { transition-delay: 150ms !important; }
.delay-200, .delay-2 { transition-delay: 200ms !important; }
.delay-250 { transition-delay: 250ms !important; }
.delay-300, .delay-3 { transition-delay: 300ms !important; }
.delay-400, .delay-4 { transition-delay: 400ms !important; }
.delay-500, .delay-5 { transition-delay: 500ms !important; }
.delay-600, .delay-6 { transition-delay: 600ms !important; }
.delay-700 { transition-delay: 700ms !important; }
.delay-800 { transition-delay: 800ms !important; }

/* Interactive Hover Enhancements */
.animate-float {
  animation: floatSlow 5s ease-in-out infinite;
}

.animate-float-subtle {
  animation: floatSlowSubtle 6s ease-in-out infinite;
}

.animate-glow-orange {
  animation: pulseGlowOrange 2.5s infinite;
}

.animate-glow-teal {
  animation: pulseGlowTeal 2.5s infinite;
}

.animate-orb {
  animation: orbDrift 14s ease-in-out infinite;
}

/* Card Light Sweep Shimmer Effect */
.card-shine {
  position: relative;
  overflow: hidden;
}

.card-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  transform: skewX(-20deg);
  pointer-events: none;
  transition: none;
}

.card-shine:hover::after {
  animation: shineSweep 0.95s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Interactive Card Elevation & Border Transition */
.interactive-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s ease;
}

.interactive-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px -8px rgba(11, 35, 64, 0.12), 0 4px 12px rgba(11, 35, 64, 0.04);
}

/* Smooth Interactive Button Physics */
.btn-smooth {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.2s ease, 
              color 0.2s ease;
}

.btn-smooth:hover {
  transform: translateY(-2px);
}

.btn-smooth:active {
  transform: translateY(1px) scale(0.98);
}

/* Smooth Accordion/Collapse Expansion */
.smooth-collapse {
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

/* Custom Smooth Webkit Scrollbars */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-track {
  background: #F4F9FD;
}
::-webkit-scrollbar-thumb {
  background: #CBD7E3;
  border-radius: 9999px;
  border: 2px solid #F4F9FD;
  transition: background 0.3s ease;
}
::-webkit-scrollbar-thumb:hover {
  background: #FF7A00;
}

/* Smooth Navigation Dropdown Physics */
.nav-dropdown-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.98);
  transform-origin: top left;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s ease;
  pointer-events: none;
}
.group:hover .nav-dropdown-menu,
.group:focus-within .nav-dropdown-menu {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) scale(1) !important;
  pointer-events: auto !important;
}

/* Mobile Nav Drawer Smooth Animation */
#mobileNav {
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.3s ease;
}
#mobileNav.collapsed {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  pointer-events: none;
}
#mobileNav.expanded {
  max-height: 600px;
  opacity: 1;
  overflow: hidden;
  pointer-events: auto;
}

/* Additional Animation Keyframes */
@keyframes ripplePulse {
  0% { transform: scale(0.95); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 0.45; }
  100% { transform: scale(0.95); opacity: 0.85; }
}

@keyframes subtleBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes popIn {
  0% { opacity: 0; transform: scale(0.9); }
  70% { opacity: 1; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}

.animate-pop-in {
  animation: popIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-subtle-bob {
  animation: subtleBob 3.5s ease-in-out infinite;
}

.badge-pulse {
  animation: ripplePulse 2s infinite ease-in-out;
}