/* ==========================================================================
   KERB AUTO SPARE PARTS — CLEAN LIGHT ENGINEERING & B2B DESIGN SYSTEM
   Brand Color: #FFAE00 (KERB YELLOW) | Primary Surface: Crisp White (#FFFFFF)
   Typography: Deep Slate (#0F172A) & Dark Charcoal (#1E293B)
   ========================================================================== */

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

:root {
  /* Kerb Yellow Accents */
  --kerb-yellow: #FFAE00;
  --kerb-yellow-hover: #E69D00;
  --kerb-yellow-dark: #B45309;
  --kerb-yellow-light: #FFFBEB;
  --kerb-yellow-glow: rgba(255, 174, 0, 0.18);
  --kerb-yellow-line: rgba(255, 174, 0, 0.45);

  /* Primary Light Surfaces */
  --kerb-white: #FFFFFF;
  --kerb-bg-alt: #F8FAFC;
  --kerb-bg-muted: #F1F5F9;
  --kerb-card-bg: #FFFFFF;

  /* Typography / Contrasts */
  --kerb-slate-950: #020617;
  --kerb-slate-900: #0F172A;
  --kerb-slate-800: #1E293B;
  --kerb-slate-700: #334155;
  --kerb-slate-600: #475569;
  --kerb-slate-500: #64748B;
  --kerb-slate-400: #94A3B8;

  /* Borders & Dividers */
  --kerb-border: #E2E8F0;
  --kerb-border-strong: #CBD5E1;
  --kerb-border-subtle: #F1F5F9;

  /* Fonts */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Rajdhani', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */
body {
  font-family: var(--font-main);
  background-color: var(--kerb-white);
  color: var(--kerb-slate-800);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.font-heading {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
  color: var(--kerb-slate-900);
}

.font-mono {
  font-family: var(--font-mono);
}

a {
  color: var(--kerb-yellow-dark);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--kerb-yellow-hover);
}

/* Overriding bootstrap dark background classes for full white theme consistency */
.bg-black {
  background-color: var(--kerb-bg-alt) !important;
  color: var(--kerb-slate-800) !important;
}

.bg-dark {
  background-color: var(--kerb-bg-alt) !important;
  color: var(--kerb-slate-800) !important;
}

.bg-dark-subtle {
  background-color: var(--kerb-bg-muted) !important;
  color: var(--kerb-slate-800) !important;
}

.border-secondary {
  border-color: var(--kerb-border) !important;
}

/* Text white overrides when on converted light backgrounds */
.bg-black .text-white,
.bg-dark .text-white,
.tech-grid-bg .text-white {
  color: var(--kerb-slate-900) !important;
}

.bg-black .text-secondary,
.bg-dark .text-secondary,
.tech-grid-bg .text-secondary {
  color: var(--kerb-slate-600) !important;
}

.bg-black .text-light,
.bg-dark .text-light,
.tech-grid-bg .text-light {
  color: var(--kerb-slate-800) !important;
}

/* table-dark → clean light table override */
.table-dark {
  --bs-table-bg: var(--kerb-white) !important;
  --bs-table-striped-bg: var(--kerb-bg-alt) !important;
  --bs-table-hover-bg: var(--kerb-bg-muted) !important;
  --bs-table-color: var(--kerb-slate-800) !important;
  --bs-table-border-color: var(--kerb-border) !important;
  color: var(--kerb-slate-800) !important;
  border-color: var(--kerb-border) !important;
}

.table-dark thead,
.table-dark thead tr,
.table-dark thead th {
  background-color: var(--kerb-bg-alt) !important;
  color: var(--kerb-slate-700) !important;
  border-color: var(--kerb-border) !important;
}

.table-dark tbody td,
.table-dark tbody tr {
  background-color: var(--kerb-white) !important;
  color: var(--kerb-slate-800) !important;
  border-color: var(--kerb-border) !important;
}

.table-dark tbody tr:hover td {
  background-color: var(--kerb-bg-alt) !important;
}

/* B2B stat cards — portal white theme */
.b2b-stat-card {
  background: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 8px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.b2b-stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--kerb-yellow);
}

.b2b-stat-card:hover {
  border-color: var(--kerb-yellow);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.3rem;
  color: var(--kerb-slate-900) !important;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--kerb-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
}

/* Portal action banner white */
.b2b-action-banner {
  background: linear-gradient(135deg, var(--kerb-slate-900) 0%, var(--kerb-slate-800) 100%);
  border-radius: 8px;
  border: 1px solid var(--kerb-slate-700);
  color: #FFFFFF;
}

/* card inside b2b portal — white surface */
.b2b-main .card {
  background-color: var(--kerb-white) !important;
  border-color: var(--kerb-border) !important;
}

.b2b-main .card-header {
  background-color: var(--kerb-bg-alt) !important;
  border-bottom-color: var(--kerb-border) !important;
}

.b2b-main .card-header .font-heading,
.b2b-main .card-header h5,
.b2b-main .card-header h6 {
  color: var(--kerb-slate-900) !important;
}

/* btn-outline-light → dark context in light portal */
.b2b-main .btn-outline-light {
  color: var(--kerb-slate-700) !important;
  border-color: var(--kerb-border-strong) !important;
}

.b2b-main .btn-outline-light:hover {
  background-color: var(--kerb-bg-alt) !important;
  color: var(--kerb-slate-900) !important;
}

.b2b-main .btn-outline-warning {
  color: var(--kerb-yellow-dark) !important;
  border-color: var(--kerb-yellow) !important;
}

.b2b-main .btn-outline-warning:hover {
  background-color: var(--kerb-yellow) !important;
  color: #000 !important;
}

.b2b-main .btn-outline-info {
  color: #0284C7 !important;
  border-color: #0284C7 !important;
}

.b2b-main .btn-outline-info:hover {
  background-color: #0284C7 !important;
  color: #fff !important;
}

/* text-warning, text-info, text-success inside portal — keep accent colors */
.b2b-main .text-warning { color: var(--kerb-yellow-dark) !important; }
.b2b-main .text-info    { color: #0284C7 !important; }
.b2b-main .text-success { color: #16A34A !important; }
.b2b-main .text-light   { color: var(--kerb-slate-800) !important; }

/* portal font-mono yellow color fix */
.b2b-main .text-warning.font-mono { color: var(--kerb-yellow-dark) !important; }
.b2b-main .text-info.font-mono    { color: #0284C7 !important; }

/* ==========================================================================
   TECHNICAL GRID & INDUSTRIAL ACCENTS (CLEAN WHITE)
   ========================================================================== */
.tech-grid-bg {
  background-color: var(--kerb-white);
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
}

.tech-dot-bg {
  background-color: var(--kerb-bg-alt);
  background-image: radial-gradient(rgba(15, 23, 42, 0.08) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
}

.yellow-accent-bar {
  position: relative;
}

.yellow-accent-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--kerb-yellow), transparent);
}

.badge-kerb {
  background: var(--kerb-yellow-light);
  color: var(--kerb-yellow-dark);
  border: 1px solid #FDE68A;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-tech {
  background: var(--kerb-bg-muted);
  color: var(--kerb-slate-700);
  border: 1px solid var(--kerb-border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-kerb {
  background-color: var(--kerb-yellow);
  color: #000000 !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--kerb-yellow);
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(255, 174, 0, 0.3);
}

.btn-kerb:hover,
.btn-kerb:focus {
  background-color: var(--kerb-yellow-hover);
  color: #000000 !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 174, 0, 0.45);
}

.btn-kerb-outline {
  background-color: #FFFFFF;
  color: var(--kerb-slate-900) !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 2px solid var(--kerb-yellow);
  padding: 0.6rem 1.4rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
}

.btn-kerb-outline:hover {
  background-color: var(--kerb-yellow);
  color: #000000 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 174, 0, 0.25);
}

.btn-kerb-dark {
  background-color: var(--kerb-slate-900);
  color: #FFFFFF !important;
  border: 1px solid var(--kerb-slate-900);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.65rem 1.25rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
}

.btn-kerb-dark:hover {
  background-color: var(--kerb-slate-800);
  color: var(--kerb-yellow) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF !important;
  font-weight: 600;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background-color: #1EBE5D;
  color: #FFFFFF !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

/* ==========================================================================
   HEADER & TOPBAR (LIGHT THEME)
   ========================================================================== */
.kerb-topbar {
  background-color: var(--kerb-bg-alt);
  border-bottom: 1px solid var(--kerb-border);
  font-size: 0.82rem;
  padding: 0.45rem 0;
  color: var(--kerb-slate-600);
}

.kerb-topbar a {
  color: var(--kerb-slate-700);
}

.kerb-topbar a:hover {
  color: var(--kerb-yellow-dark);
}

.kerb-navbar {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--kerb-border);
  position: sticky;
  top: 0;
  z-index: 1020;
  padding: 0.85rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.kerb-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.kerb-brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--kerb-slate-900) !important;
  line-height: 1;
  letter-spacing: 0.06em;
}

.kerb-brand-sub {
  font-size: 0.68rem;
  color: var(--kerb-yellow-dark) !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-top: 2px;
}

.nav-link-kerb {
  color: var(--kerb-slate-700) !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem !important;
  transition: all 0.2s ease;
  position: relative;
}

.nav-link-kerb:hover,
.nav-link-kerb.active {
  color: var(--kerb-yellow-dark) !important;
}

.nav-link-kerb.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0.85rem;
  right: 0.85rem;
  height: 3px;
  background-color: var(--kerb-yellow);
}

/* Dropdown menus on light theme */
.dropdown-menu {
  background-color: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.dropdown-item {
  color: var(--kerb-slate-800);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--kerb-bg-alt);
  color: var(--kerb-yellow-dark);
}

/* ==========================================================================
   CARDS & PANELS (CLEAN WHITE SURFACES)
   ========================================================================== */
.kerb-panel {
  background-color: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 8px;
  padding: 1.75rem;
  transition: all 0.25s ease;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

.kerb-panel:hover {
  border-color: var(--kerb-yellow);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.07);
}

.kerb-panel-highlight {
  background: linear-gradient(180deg, var(--kerb-yellow-light) 0%, var(--kerb-white) 100%);
  border: 1px solid #FDE68A;
  box-shadow: 0 6px 20px rgba(255, 174, 0, 0.1);
}

.division-card {
  background: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 8px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.division-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--kerb-yellow);
  transition: all 0.3s ease;
}

.division-card:hover {
  transform: translateY(-4px);
  border-color: var(--kerb-yellow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08), 0 0 15px rgba(255, 174, 0, 0.15);
}

.division-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  background: var(--kerb-yellow-light);
  border: 1px solid #FDE68A;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--kerb-yellow-dark);
  margin-bottom: 1.5rem;
}

.product-card {
  background: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
}

.product-card:hover {
  border-color: var(--kerb-yellow);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.product-thumb {
  background: var(--kerb-bg-alt);
  border: 1px solid var(--kerb-border);
  border-radius: 6px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.product-thumb img {
  max-height: 140px;
  max-width: 90%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.05);
}

.source-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--kerb-slate-600);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.source-tag.wings {
  color: #2563EB;
}

.source-tag.europart {
  color: #D97706;
}

.source-tag.armour {
  color: #DC2626;
}

/* ==========================================================================
   METRICS & COUNTERS
   ========================================================================== */
.metric-box {
  background: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  text-align: center;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--kerb-slate-900);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--kerb-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 0;
}

/* ==========================================================================
   FORMS & INPUTS (CLEAN WHITE)
   ========================================================================== */
.form-control-kerb,
.form-select-kerb {
  background-color: var(--kerb-white) !important;
  border: 1px solid var(--kerb-border-strong) !important;
  color: var(--kerb-slate-900) !important;
  border-radius: 4px;
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.form-control-kerb:focus,
.form-select-kerb:focus {
  background-color: var(--kerb-white) !important;
  border-color: var(--kerb-yellow) !important;
  box-shadow: 0 0 0 3px rgba(255, 174, 0, 0.25) !important;
  color: var(--kerb-slate-900) !important;
}

.form-control-kerb::placeholder {
  color: var(--kerb-slate-400);
}

.form-label-kerb {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kerb-slate-800);
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   TABLES (CLEAN LIGHT)
   ========================================================================== */
.table-kerb {
  color: var(--kerb-slate-800);
  border-color: var(--kerb-border);
  margin-bottom: 0;
}

.table-kerb th {
  background-color: var(--kerb-bg-alt);
  color: var(--kerb-slate-900);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--kerb-border);
  padding: 0.85rem 1rem;
}

.table-kerb td {
  background-color: var(--kerb-white);
  border-bottom: 1px solid var(--kerb-border);
  padding: 0.85rem 1rem;
  vertical-align: middle;
}

.table-kerb tbody tr:hover td {
  background-color: var(--kerb-bg-alt);
}

/* ==========================================================================
   B2B & ADMIN PORTAL LAYOUT (CLEAN WHITE)
   ========================================================================== */
.b2b-wrapper {
  display: flex;
  min-height: 100vh;
  background-color: var(--kerb-bg-alt);
}

.b2b-sidebar {
  width: 260px;
  background-color: var(--kerb-white);
  border-right: 1px solid var(--kerb-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: all 0.3s ease;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.03);
}

.b2b-sidebar-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--kerb-border);
}

.b2b-sidebar-menu {
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.b2b-nav-header {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--kerb-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.75rem 0.75rem 0.35rem 0.75rem;
  font-weight: 700;
}

.b2b-nav-item {
  color: var(--kerb-slate-700);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  transition: all 0.2s ease;
  margin-bottom: 3px;
}

.b2b-nav-item:hover {
  background-color: var(--kerb-bg-alt);
  color: var(--kerb-yellow-dark);
}

.b2b-nav-item.active {
  background-color: var(--kerb-yellow-light);
  color: var(--kerb-yellow-dark);
  font-weight: 700;
  border-left: 3px solid var(--kerb-yellow);
}

.b2b-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--kerb-bg-alt);
  overflow-x: hidden;
}

.b2b-topbar {
  background-color: var(--kerb-white);
  border-bottom: 1px solid var(--kerb-border);
  padding: 0.85rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
}

.b2b-content {
  padding: 1.75rem;
  flex: 1;
}

/* ==========================================================================
   FLOATING CHAT ASSISTANT
   ========================================================================== */
.chat-launcher {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1050;
  background: var(--kerb-yellow);
  color: #000000;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 6px 20px rgba(255, 174, 0, 0.35);
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}

.chat-launcher:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(255, 174, 0, 0.5);
}

.chat-modal-widget {
  position: fixed;
  bottom: 95px;
  right: 28px;
  width: 380px;
  max-width: calc(100vw - 40px);
  height: 520px;
  max-height: calc(100vh - 120px);
  background: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  border-radius: 8px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
  z-index: 1050;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.chat-modal-widget.active {
  display: flex;
}

.chat-widget-header {
  background: var(--kerb-slate-900);
  color: #FFFFFF;
  border-bottom: 1px solid var(--kerb-border);
  padding: 0.85rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-widget-body {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--kerb-bg-alt);
}

.chat-bubble {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.88rem;
  max-width: 88%;
  line-height: 1.45;
}

.chat-bubble-bot {
  background: var(--kerb-white);
  border: 1px solid var(--kerb-border);
  color: var(--kerb-slate-800);
  align-self: flex-start;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.chat-bubble-user {
  background: var(--kerb-yellow);
  color: #000000;
  font-weight: 600;
  align-self: flex-end;
}

.chat-widget-footer {
  background: var(--kerb-white);
  border-top: 1px solid var(--kerb-border);
  padding: 0.75rem 1rem;
}

/* ==========================================================================
   MOBILE STICKY BOTTOM BAR
   ========================================================================== */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--kerb-white);
  border-top: 1px solid var(--kerb-border);
  padding: 0.5rem 1rem;
  z-index: 1010;
  display: flex;
  align-items: center;
  justify-content: space-around;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
}

@media (min-width: 992px) {
  .mobile-sticky-bar {
    display: none !important;
  }
}

/* ==========================================================================
   FOOTER (CLEAN WHITE / SUBTLE LIGHT THEME)
   ========================================================================== */
.kerb-footer {
  background-color: var(--kerb-bg-alt);
  border-top: 1px solid var(--kerb-border);
  padding: 4rem 0 2rem 0;
  color: var(--kerb-slate-600);
  font-size: 0.9rem;
}

.kerb-footer h5 {
  font-size: 1.05rem;
  color: var(--kerb-slate-900);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
  font-weight: 700;
}

.kerb-footer h5::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--kerb-yellow);
}

.kerb-footer-link {
  color: var(--kerb-slate-600);
  display: block;
  margin-bottom: 0.5rem;
  transition: all 0.2s ease;
}

.kerb-footer-link:hover {
  color: var(--kerb-yellow-dark);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--kerb-border);
  padding-top: 1.5rem;
  margin-top: 3rem;
  font-size: 0.82rem;
  color: var(--kerb-slate-500);
}

/* ==========================================================================
   HERO AUTOMOTIVE SPARE PARTS VECTOR ANIMATIONS (PURE SVG CAD DYNAMICS)
   ========================================================================== */
.hero-automotive-section {
  background: 
    radial-gradient(ellipse 70% 60% at 75% 45%, rgba(30, 58, 138, 0.22) 0%, rgba(10, 15, 26, 0) 70%),
    radial-gradient(ellipse 50% 50% at 65% 55%, rgba(255, 174, 0, 0.12) 0%, rgba(10, 15, 26, 0) 65%),
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(15, 23, 42, 0.95) 0%, rgba(6, 9, 15, 0.98) 70%),
    linear-gradient(135deg, #070A11 0%, #0B111A 50%, #06090F 100%);
  position: relative;
  overflow: hidden;
  color: #F8FAFC;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.hero-automotive-section h1 {
  color: #FFFFFF !important;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.hero-automotive-section .hero-subtext {
  color: #94A3B8 !important;
}

.hero-automotive-section .btn-kerb-outline {
  background-color: transparent !important;
  color: #FFFFFF !important;
  border: 2px solid var(--kerb-yellow) !important;
}

.hero-automotive-section .btn-kerb-outline:hover {
  background-color: var(--kerb-yellow) !important;
  color: #000000 !important;
}

.hero-automotive-section .btn-kerb-dark {
  background-color: rgba(30, 41, 59, 0.8) !important;
  color: #F8FAFC !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

.hero-automotive-section .btn-kerb-dark:hover {
  background-color: rgba(51, 65, 85, 0.9) !important;
  color: var(--kerb-yellow) !important;
  border-color: var(--kerb-yellow) !important;
}

.hero-automotive-section .border-top {
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.hero-automotive-section .hero-stat-item {
  color: #94A3B8 !important;
}

.hero-spare-parts-stage {
  display: none !important;
}

/* Individual Spare Part Vector Wrappers */
.part-vector {
  position: absolute;
  pointer-events: none;
  will-change: transform;
}

/* 1. Gear Train (Top Right & Telemetry backdrop) */
.part-gear-train {
  top: -60px;
  right: -50px;
  width: 520px;
  height: 520px;
  opacity: 0.72;
}

/* 2. Brake Rotor & Caliper (Bottom Right) */
.part-brake-rotor {
  bottom: -40px;
  right: 14%;
  width: 360px;
  height: 360px;
  opacity: 0.65;
}

/* 3. Engine Piston & Con-Rod (Mid-Left) */
.part-piston {
  top: 18%;
  left: -25px;
  width: 250px;
  height: 380px;
  opacity: 0.6;
}

/* 4. Turbocharger Impeller (Center-Right Floating) */
.part-turbo {
  top: 42%;
  right: 28%;
  width: 230px;
  height: 230px;
  opacity: 0.55;
}

/* 5. Spark Plug (Bottom Left Floating) */
.part-spark-plug {
  bottom: 15px;
  left: 20%;
  width: 180px;
  height: 240px;
  opacity: 0.6;
}

/* 6. Suspension Shock Strut (Far Left Edge) */
.part-suspension {
  top: 5%;
  left: 11%;
  width: 150px;
  height: 320px;
  opacity: 0.5;
}

/* 7. Precision Ball Bearing (Top Left) */
.part-bearing {
  top: 25px;
  left: 2%;
  width: 160px;
  height: 160px;
  opacity: 0.55;
}

/* 8. Floating Fasteners / Hex Nuts */
.part-fastener-1 {
  top: 14%;
  left: 38%;
  width: 50px;
  height: 50px;
  opacity: 0.45;
}

.part-fastener-2 {
  bottom: 24%;
  right: 38%;
  width: 62px;
  height: 62px;
  opacity: 0.4;
}

.part-fastener-3 {
  top: 68%;
  left: 7%;
  width: 42px;
  height: 42px;
  opacity: 0.45;
}

/* Keyframe Animations */
@keyframes partSpinCW {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes partSpinCCW {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

@keyframes partFloatSlow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(3deg); }
}

@keyframes partFloatAlt {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(14px) rotate(-3deg); }
}

@keyframes partPistonReciprocate {
  0%   { transform: translateY(0px) rotate(-16deg); }
  50%  { transform: translateY(-30px) rotate(-13deg); }
  100% { transform: translateY(0px) rotate(-16deg); }
}

@keyframes partSuspensionBounce {
  0%, 100% { transform: scaleY(1) translateY(0); }
  50%      { transform: scaleY(0.94) translateY(10px); }
}

@keyframes partSparkDischarge {
  0%, 100% { opacity: 0.15; transform: scale(1); filter: drop-shadow(0 0 0px #FFAE00); }
  46%      { opacity: 0.25; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.45); filter: drop-shadow(0 0 12px #FFAE00) drop-shadow(0 0 4px #FFFFFF); }
  54%      { opacity: 0.3; transform: scale(1); }
}

@keyframes partFastenerDrift {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  33%      { transform: translate3d(14px, -18px, 0) rotate(16deg); }
  66%      { transform: translate3d(-12px, 12px, 0) rotate(-12deg); }
}

/* Animation utility assignments */
.anim-spin-cw {
  transform-origin: center;
  animation: partSpinCW 40s linear infinite;
}

.anim-spin-cw-fast {
  transform-origin: center;
  animation: partSpinCW 16s linear infinite;
}

.anim-spin-ccw {
  transform-origin: center;
  animation: partSpinCCW 28s linear infinite;
}

.anim-spin-ccw-slow {
  transform-origin: center;
  animation: partSpinCCW 54s linear infinite;
}

.anim-float-drift {
  animation: partFloatSlow 11s ease-in-out infinite;
}

.anim-float-drift-alt {
  animation: partFloatAlt 13s ease-in-out infinite;
}

.anim-piston-stroke {
  animation: partPistonReciprocate 5.5s ease-in-out infinite;
}

.anim-suspension-stroke {
  transform-origin: top center;
  animation: partSuspensionBounce 7s ease-in-out infinite;
}

.anim-spark-glow {
  transform-origin: center;
  animation: partSparkDischarge 2.8s ease-in-out infinite;
}

.anim-fastener-drift {
  animation: partFastenerDrift 16s ease-in-out infinite;
}

/* CAD Vector Stroke Presets */
.cad-line-dark {
  stroke: rgba(15, 23, 42, 0.22);
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cad-line-subtle {
  stroke: rgba(15, 23, 42, 0.12);
  fill: none;
  stroke-width: 1.2;
}

.cad-line-gold {
  stroke: rgba(255, 174, 0, 0.65);
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cad-line-gold-bright {
  stroke: #FFAE00;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cad-fill-gold-faint {
  fill: rgba(255, 174, 0, 0.05);
}

.cad-fill-dark-faint {
  fill: rgba(15, 23, 42, 0.02);
}

/* Responsive Scaling & Visibility */
@media (max-width: 1200px) {
  .part-gear-train { width: 420px; height: 420px; right: -40px; opacity: 0.55; }
  .part-turbo { display: none; }
  .part-fastener-2 { display: none; }
}

@media (max-width: 991.98px) {
  .part-gear-train { width: 340px; height: 340px; right: -50px; opacity: 0.4; }
  .part-brake-rotor { width: 260px; height: 260px; right: 5%; opacity: 0.35; }
  .part-piston { display: none; }
  .part-suspension { display: none; }
  .part-spark-plug { opacity: 0.35; }
}

@media (max-width: 575.98px) {
  .part-gear-train { width: 260px; height: 260px; right: -60px; top: -30px; opacity: 0.3; }
  .part-brake-rotor { display: none; }
  .part-bearing { width: 110px; height: 110px; opacity: 0.35; }
  .part-spark-plug { display: none; }
}

/* ==========================================================================
   CHASSIS & SUSPENSION INTERACTIVE DYNAMICS SHOWCASE
   ========================================================================== */
.chassis-showcase-wrap {
  background: linear-gradient(180deg, #070D18 0%, #0B1324 50%, #0F1A2E 100%);
  border-radius: 16px;
  border: 1px solid rgba(255, 174, 0, 0.25);
  box-shadow: 0 25px 60px rgba(2, 6, 23, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.chassis-stage-container {
  position: relative;
  width: 100%;
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Glowing Energy Streams from KERB Core */
@keyframes kerbConduitFlow {
  from { stroke-dashoffset: 60; }
  to   { stroke-dashoffset: 0; }
}

.energy-conduit {
  stroke: #FFAE00;
  stroke-width: 2.2;
  stroke-dasharray: 10 8;
  animation: kerbConduitFlow 1.8s linear infinite;
  filter: drop-shadow(0 0 6px rgba(255, 174, 0, 0.8));
}

.energy-conduit-subtle {
  stroke: rgba(56, 189, 248, 0.6);
  stroke-width: 1.5;
  stroke-dasharray: 6 6;
  animation: kerbConduitFlow 2.4s linear infinite reverse;
}

/* KERB Core Centerpiece Pulsing */
@keyframes kerbPulseAura {
  0% {
    transform: scale(0.96);
    filter: drop-shadow(0 0 15px rgba(255, 174, 0, 0.5)) drop-shadow(0 0 35px rgba(255, 174, 0, 0.3));
  }
  50% {
    transform: scale(1.02);
    filter: drop-shadow(0 0 25px rgba(255, 174, 0, 0.9)) drop-shadow(0 0 55px rgba(255, 174, 0, 0.6));
  }
  100% {
    transform: scale(0.96);
    filter: drop-shadow(0 0 15px rgba(255, 174, 0, 0.5)) drop-shadow(0 0 35px rgba(255, 174, 0, 0.3));
  }
}

.kerb-highlight-core {
  transform-origin: 500px 310px;
  animation: kerbPulseAura 3s ease-in-out infinite;
}

@keyframes kerbBeaconRipple {
  0% {
    r: 45;
    opacity: 0.9;
  }
  100% {
    r: 105;
    opacity: 0;
  }
}

.kerb-beacon-ring {
  animation: kerbBeaconRipple 2.5s ease-out infinite;
}

.kerb-beacon-ring-2 {
  animation: kerbBeaconRipple 2.5s ease-out infinite 1.25s;
}

/* Suspension Parts Connection & Kinematics */
@keyframes suspensionDockFL {
  0%   { transform: translate(-38px, -24px); }
  35%  { transform: translate(0px, 0px); }
  65%  { transform: translate(0px, 0px); }
  85%  { transform: translate(-38px, -24px); }
  100% { transform: translate(-38px, -24px); }
}

@keyframes suspensionDockFR {
  0%   { transform: translate(-38px, 24px); }
  35%  { transform: translate(0px, 0px); }
  65%  { transform: translate(0px, 0px); }
  85%  { transform: translate(-38px, 24px); }
  100% { transform: translate(-38px, 24px); }
}

@keyframes suspensionDockRL {
  0%   { transform: translate(38px, -24px); }
  35%  { transform: translate(0px, 0px); }
  65%  { transform: translate(0px, 0px); }
  85%  { transform: translate(38px, -24px); }
  100% { transform: translate(38px, -24px); }
}

@keyframes suspensionDockRR {
  0%   { transform: translate(38px, 24px); }
  35%  { transform: translate(0px, 0px); }
  65%  { transform: translate(0px, 0px); }
  85%  { transform: translate(38px, 24px); }
  100% { transform: translate(38px, 24px); }
}

/* Continuous Road Articulation / Kinematics mode */
@keyframes suspensionArticulateY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes suspensionArticulateYAlt {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(12px); }
}

@keyframes springCoilCompress {
  0%, 100% { transform: scaleY(1); }
  50%      { transform: scaleY(0.91); }
}

.anim-dock-fl {
  animation: suspensionDockFL 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.anim-dock-fr {
  animation: suspensionDockFR 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.anim-dock-rl {
  animation: suspensionDockRL 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.anim-dock-rr {
  animation: suspensionDockRR 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* When in Articulation / Live Kinematics mode */
.mode-kinematics .anim-dock-fl {
  animation: suspensionArticulateY 3.2s ease-in-out infinite;
}
.mode-kinematics .anim-dock-fr {
  animation: suspensionArticulateYAlt 3.5s ease-in-out infinite 0.4s;
}
.mode-kinematics .anim-dock-rl {
  animation: suspensionArticulateYAlt 3.1s ease-in-out infinite 0.2s;
}
.mode-kinematics .anim-dock-rr {
  animation: suspensionArticulateY 3.6s ease-in-out infinite 0.6s;
}

/* Connection Hardpoint Nodes */
@keyframes nodePulseGlow {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 2px #FFAE00); }
  50%      { transform: scale(1.3); filter: drop-shadow(0 0 10px #FFAE00) drop-shadow(0 0 4px #FFFFFF); }
}

.connection-node {
  transform-origin: center;
  animation: nodePulseGlow 2.2s ease-in-out infinite;
}

/* Interactive Component Filtering */
.comp-group {
  transition: opacity 0.35s ease, filter 0.35s ease;
}

.comp-highlighted {
  filter: drop-shadow(0 0 12px #FFAE00) drop-shadow(0 0 4px #FFFFFF) !important;
  opacity: 1 !important;
}

.comp-dimmed {
  opacity: 0.22 !important;
  filter: grayscale(80%) !important;
}

/* Interactive Spec Hotspot Cards */
.chassis-spec-card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  transition: all 0.25s ease;
  cursor: pointer;
  color: #E2E8F0;
  backdrop-filter: blur(8px);
}

.chassis-spec-card:hover,
.chassis-spec-card.active {
  background: rgba(255, 174, 0, 0.12);
  border-color: #FFAE00;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 174, 0, 0.25);
}

.chassis-spec-card.active .spec-icon {
  color: #FFAE00 !important;
  transform: scale(1.15);
}

.chassis-tab-btn {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #94A3B8;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.chassis-tab-btn:hover {
  color: #FFFFFF;
  border-color: #FFAE00;
  background: rgba(255, 174, 0, 0.1);
}

.chassis-tab-btn.active {
  background: #FFAE00;
  border-color: #FFAE00;
  color: #000000;
  box-shadow: 0 4px 14px rgba(255, 174, 0, 0.35);
}

/* HUD Callout Markers for 18 Specific Spare Parts */
.hud-marker {
  cursor: pointer;
  transition: all 0.25s ease;
}

.hud-marker text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px;
  font-weight: 700;
  fill: #FFFFFF;
  letter-spacing: 0.5px;
  pointer-events: none;
}

.hud-marker rect {
  fill: rgba(10, 15, 29, 0.92);
  stroke: rgba(255, 174, 0, 0.75);
  stroke-width: 1.2px;
  rx: 4px;
  transition: all 0.2s ease;
}

.hud-marker polyline,
.hud-marker line {
  stroke: #FFAE00;
  stroke-width: 1.2px;
  fill: none;
  stroke-dasharray: 4 2;
  opacity: 0.85;
}

.hud-marker circle.hud-dot {
  fill: #FFAE00;
  stroke: #FFFFFF;
  stroke-width: 1.5px;
  filter: drop-shadow(0 0 5px #FFAE00);
  transition: all 0.2s ease;
}

.hud-marker:hover rect,
.hud-marker.active rect {
  fill: #FFAE00;
  stroke: #FFFFFF;
  stroke-width: 1.8px;
}

.hud-marker:hover text,
.hud-marker.active text {
  fill: #000000;
  font-weight: 800;
}

.hud-marker:hover circle.hud-dot,
.hud-marker.active circle.hud-dot {
  transform: scale(1.6);
  fill: #FFFFFF;
  stroke: #FFAE00;
  filter: drop-shadow(0 0 10px #FFAE00) drop-shadow(0 0 4px #FFFFFF);
}

/* 18 Parts Quick-Selector Pills Grid */
.part-pill-btn {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 174, 0, 0.35);
  color: #E2E8F0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.part-pill-btn:hover,
.part-pill-btn.active {
  background: #FFAE00;
  color: #000000;
  border-color: #FFAE00;
  box-shadow: 0 0 12px rgba(255, 174, 0, 0.5);
  font-weight: 700;
  transform: translateY(-1px);
}

.part-pill-btn.active i {
  color: #000000 !important;
}

/* Targetable SVG Parts (18-Parts HUD Section) */
.targetable-part {
  transition: opacity 0.3s ease, filter 0.3s ease;
  cursor: pointer;
}

.targetable-part.comp-highlighted {
  filter: drop-shadow(0 0 14px rgba(255, 174, 0, 0.95)) drop-shadow(0 0 6px #FFFFFF) !important;
  opacity: 1 !important;
}

.targetable-part.comp-dimmed {
  opacity: 0.18 !important;
  filter: grayscale(85%) brightness(0.5) !important;
}

/* Fix kerb-highlight-core transform-origin for first chassis SVG (cx=580, cy=340) */
#chassisSvgCanvas .kerb-highlight-core {
  transform-origin: 580px 340px;
}

/* ==========================================================================
   HERO ANTI-GRAVITY AUTOMOTIVE SUSPENSION & LOGO SHOWCASE
   Cinematic 3D Exploded-Assembly Showcase with Orbiting Suspension Parts
   ========================================================================== */
.hero-antigravity-wrapper {
  position: relative;
  width: 100%;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.hero-antigravity-stage {
  position: relative;
  width: 100%;
  max-width: 580px;
  height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  transform-style: preserve-3d;
  user-select: none;
}

/* Ambient Radial Lighting & Atmospheric Smoke */
.ag-ambient-glow {
  position: absolute;
  inset: -15%;
  pointer-events: none;
  z-index: 1;
  background: 
    radial-gradient(circle 240px at 50% 50%, rgba(255, 174, 0, 0.15) 0%, rgba(255, 174, 0, 0) 70%),
    radial-gradient(circle 360px at 50% 50%, rgba(37, 99, 235, 0.18) 0%, rgba(15, 23, 42, 0) 75%),
    radial-gradient(ellipse 480px 380px at 50% 50%, rgba(2, 6, 23, 0.4) 0%, transparent 100%);
  filter: blur(10px);
  animation: agAmbientPulse 8s ease-in-out infinite alternate;
}

@keyframes agAmbientPulse {
  0%   { opacity: 0.75; transform: scale(0.96); }
  100% { opacity: 1; transform: scale(1.05); }
}

/* Background Micro Particle Dust Canvas */
.ag-particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* CAD Technical Blueprint Geometry (Faint Background Depth) */
.ag-cad-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.35;
}

/* Concentric Orbital Rings */
.ag-rings-group {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ag-ring-outer {
  position: absolute;
  width: 470px;
  height: 470px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 174, 0, 0.28);
  animation: agSpinCw 60s linear infinite;
  box-shadow: 0 0 25px rgba(255, 174, 0, 0.05);
}

.ag-ring-mid {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 184, 0.22);
  animation: agSpinCcw 45s linear infinite;
}

.ag-ring-mid::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kerb-yellow);
  box-shadow: 0 0 10px var(--kerb-yellow);
}

.ag-ring-inner {
  position: absolute;
  width: 255px;
  height: 255px;
  border-radius: 50%;
  border: 1px dashed rgba(37, 99, 235, 0.35);
  animation: agSpinCw 30s linear infinite;
}

@keyframes agSpinCw {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes agSpinCcw {
  from { transform: rotate(360deg); }
  to   { transform: rotate(0deg); }
}

/* ==========================================================================
   CENTERPIECE: FLOATING KERB LOGO & KINETIC BEZEL MEDALLION
   ========================================================================== */
.ag-center-assembly {
  position: absolute;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 15;
  transform-style: preserve-3d;
  will-change: transform;
}

.ag-logo-pod {
  position: relative;
  width: 176px;
  height: 176px;
  border-radius: 50%;
  background: linear-gradient(145deg, #FFFFFF 0%, #F1F5F9 55%, #E2E8F0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  /* Multi-layered cinematic shadow and brushed titanium bezel */
  border: 3px solid rgba(255, 174, 0, 0.55);
  box-shadow: 
    0 20px 45px rgba(0, 0, 0, 0.85),
    0 0 45px rgba(255, 174, 0, 0.35),
    0 0 80px rgba(37, 99, 235, 0.2),
    inset 0 3px 6px rgba(255, 255, 255, 0.9),
    inset 0 -4px 8px rgba(15, 23, 42, 0.3);
  animation: 
    agLogoEntrance 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards,
    agLevitate 6s ease-in-out infinite alternate 1.4s;
  overflow: hidden;
}

/* Outer Titanium Chamfer Ring */
.ag-logo-pod::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 15px rgba(255, 174, 0, 0.3);
  pointer-events: none;
}

/* The actual uploaded PNG logo */
.ag-logo-img {
  width: 125px;
  max-height: 125px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease;
}

/* Specular Shimmer Sheen Passing Diagonally */
.ag-logo-shimmer {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0) 35%,
    rgba(255, 255, 255, 0.65) 50%,
    rgba(255, 255, 255, 0) 65%
  );
  transform: rotate(-30deg) translateX(-150%);
  animation: agShimmerSweep 7s ease-in-out infinite 2s;
  pointer-events: none;
  z-index: 3;
}

@keyframes agShimmerSweep {
  0%   { transform: rotate(-30deg) translateX(-150%); }
  25%  { transform: rotate(-30deg) translateX(150%); }
  100% { transform: rotate(-30deg) translateX(150%); }
}

/* Initial Entrance Keyframe */
@keyframes agLogoEntrance {
  0% {
    opacity: 0;
    transform: scale(0.72) translateY(30px);
    filter: blur(8px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

/* Gentle Levitation Floating Keyframe */
@keyframes agLevitate {
  0% {
    transform: translateY(0) rotate(0deg);
    box-shadow: 
      0 20px 45px rgba(0, 0, 0, 0.85),
      0 0 45px rgba(255, 174, 0, 0.35),
      0 0 80px rgba(37, 99, 235, 0.2),
      inset 0 3px 6px rgba(255, 255, 255, 0.9);
  }
  50% {
    transform: translateY(-8px) rotate(1deg);
    box-shadow: 
      0 30px 60px rgba(0, 0, 0, 0.9),
      0 0 55px rgba(255, 174, 0, 0.5),
      0 0 95px rgba(37, 99, 235, 0.3),
      inset 0 3px 6px rgba(255, 255, 255, 0.95);
  }
  100% {
    transform: translateY(7px) rotate(-1deg);
    box-shadow: 
      0 16px 36px rgba(0, 0, 0, 0.8),
      0 0 38px rgba(255, 174, 0, 0.3),
      0 0 70px rgba(37, 99, 235, 0.18),
      inset 0 3px 6px rgba(255, 255, 255, 0.85);
  }
}

/* Halo Backlight */
.ag-halo-pulse {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 174, 0, 0.28) 0%, rgba(255, 174, 0, 0) 70%);
  animation: agHaloBreathing 4.5s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 14;
}

@keyframes agHaloBreathing {
  0%   { transform: scale(0.92); opacity: 0.6; }
  100% { transform: scale(1.12); opacity: 0.95; }
}

/* ==========================================================================
   ORBITAL SUSPENSION PARTS (ANTI-GRAVITY EXPLODED VIEW)
   ========================================================================== */
.ag-part {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  transform-style: preserve-3d;
  will-change: transform;
  transition: filter 0.3s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ag-part svg {
  display: block;
  overflow: visible;
  filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.75)) drop-shadow(0 3px 6px rgba(0, 0, 0, 0.5));
  transition: filter 0.3s ease, transform 0.3s ease;
}

.ag-part:hover svg {
  filter: 
    drop-shadow(0 18px 30px rgba(0, 0, 0, 0.9)) 
    drop-shadow(0 0 16px rgba(255, 174, 0, 0.95)) 
    brightness(1.15) !important;
  transform: scale(1.08);
}

/* Hover Part Name Tooltip */
.ag-part-tooltip {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid var(--kerb-yellow);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
  z-index: 30;
}

.ag-part:hover .ag-part-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Depth Layers */
.ag-layer-back {
  z-index: 5;
  opacity: 0.85;
}

.ag-layer-mid {
  z-index: 8;
  opacity: 0.96;
}

.ag-layer-front {
  z-index: 12;
  opacity: 1;
}

/* Exploded-Assembly Pulse Expansion */
.hero-antigravity-stage.ag-exploded .ag-part {
  transform: translate3d(
    calc(var(--curr-tx, var(--tx)) + var(--exp-x, 0px)),
    calc(var(--curr-ty, var(--ty)) + var(--exp-y, 0px)),
    calc(var(--curr-tz, 0px) + 20px)
  ) rotate(calc(var(--curr-r, var(--r)) + var(--exp-r, 0deg))) scale(1.06) !important;
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

/* Exploded HUD Status Pill */
.ag-status-pill {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 174, 0, 0.4);
  color: #F8FAFC;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.ag-status-pill .indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kerb-yellow);
  box-shadow: 0 0 8px var(--kerb-yellow);
  animation: agBlink 2s infinite;
}

@keyframes agBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ==========================================================================
   MOBILE & RESPONSIVE BEHAVIOR
   ========================================================================== */
@media (max-width: 1199.98px) {
  .hero-antigravity-stage {
    max-width: 520px;
    height: 520px;
    transform: scale(0.92);
  }
}

@media (max-width: 991.98px) {
  .hero-antigravity-wrapper {
    min-height: 440px;
    margin-top: 2rem;
  }
  .hero-antigravity-stage {
    max-width: 440px;
    height: 440px;
    transform: scale(0.82);
  }
  /* Hide non-essential deep hardware on tablets/mobiles to preserve clean focus */
  .ag-part-hardware,
  .ag-part-bushing-secondary {
    display: none !important;
  }
}

@media (max-width: 575.98px) {
  .hero-antigravity-wrapper {
    min-height: 360px;
    margin-top: 1.5rem;
  }
  .hero-antigravity-stage {
    max-width: 360px;
    height: 360px;
    transform: scale(0.68);
  }
  .ag-status-pill {
    top: 0;
    right: 0;
    font-size: 0.62rem;
  }
}

/* ==========================================================================
   PREFERS-REDUCED-MOTION ACCESSIBILITY
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .ag-ambient-glow,
  .ag-ring-outer,
  .ag-ring-mid,
  .ag-ring-inner,
  .ag-logo-pod,
  .ag-logo-shimmer,
  .ag-halo-pulse,
  .ag-status-pill .indicator-dot {
    animation: none !important;
  }
  .ag-part {
    transition: none !important;
  }
  .ag-logo-pod {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }
}