/* ==========================================================================
   Gopi Kunchala — Executive Data Engineering Portfolio
   Two Classic Themes: Pure White & Pure Black
   Continuous 75+ Color Drag Bar (Vertical on Mobile, Horizontal on Desktop)
   3D Spatial Interactive Depth & Live Calculated Experience
   ========================================================================== */

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;

  /* Dynamic Accent Color (Synchronized across UI & 3D Canvas) */
  --accent: #2563eb;
  --accent-rgb: 37, 99, 235;
  --accent-glow: rgba(37, 99, 235, 0.18);
  --accent-border: rgba(37, 99, 235, 0.4);
}

/* 1. PURE WHITE THEME */
[data-theme="white"],
body[data-theme="white"] {
  --bg-main: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.68);
  --bg-card-hover: rgba(255, 255, 255, 0.88);
  --border-main: #e2e8f0;
  --border-hover: #cbd5e1;
  --text-main: #09090b;
  --text-muted: #52525b;
  --text-subtle: #71717a;
  --nav-bg: rgba(255, 255, 255, 0.94);
  --nav-border: #e2e8f0;
  --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 10px 25px -5px rgba(0, 0, 0, 0.03);
  --card-shadow-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.12), 0 0 20px var(--accent-glow);
  --canvas-particle-color: #64748b;
  --canvas-line-color: rgba(148, 163, 184, 0.22);
  --terminal-bg: #0f172a;
  --terminal-text: #e2e8f0;
}

/* 2. PURE OBSIDIAN BLACK THEME */
[data-theme="black"],
html.dark,
body[data-theme="black"] {
  --bg-main: #050507;
  --bg-subtle: #0c0d14;
  --bg-card: rgba(12, 14, 24, 0.64);
  --bg-card-hover: rgba(18, 22, 36, 0.80);
  --border-main: #1c2030;
  --border-hover: #2d334d;
  --text-main: #fafafa;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --nav-bg: rgba(5, 5, 7, 0.94);
  --nav-border: #1c2030;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.65);
  --card-shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.9), 0 0 25px var(--accent-glow);
  --canvas-particle-color: #ffffff;
  --canvas-line-color: rgba(255, 255, 255, 0.15);
  --terminal-bg: #090a10;
  --terminal-text: #f1f5f9;
}

/* Base Configuration & Spacious Typography (8K Ultra-HD Crispness) */
html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body {
  overflow-x: hidden;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 8K Hardware Acceleration & Sub-Pixel Anti-Aliasing */
img, svg, canvas {
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* 3D Canvas Background (Pixel-Locked) */
#canvas-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* 3D Perspective Card Tilt System (Frosted Glass) */
.tilt-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-main);
  box-shadow: var(--card-shadow);
  transform-style: preserve-3d;
  will-change: transform, box-shadow;
  transition: transform 0.15s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease, background 0.2s ease;
  border-radius: 1rem;
}

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

.tilt-inner {
  transform: translateZ(16px);
  transform-style: preserve-3d;
}

/* Mouse Specular Glow Sheen */
.tilt-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.tilt-card:hover::before {
  opacity: 1;
}

/* Standard Panel Cards & Operational Switch (Frosted Glass) */
.panel-card,
.operational-switch-item {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-main);
  box-shadow: var(--card-shadow);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.panel-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

/* Explicit Frosted Glass Look Across Light and Dark Modes */
html[data-theme="white"] .tilt-card,
html[data-theme="white"] .panel-card,
html[data-theme="white"] .operational-switch-item {
  background: rgba(255, 255, 255, 0.65) !important;
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border-color: rgba(226, 232, 240, 0.85);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
}

html[data-theme="black"] .tilt-card,
html[data-theme="black"] .panel-card,
html[data-theme="black"] .operational-switch-item,
html.dark .tilt-card,
html.dark .panel-card,
html.dark .operational-switch-item {
  background: rgba(12, 14, 24, 0.64) !important;
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border-color: rgba(255, 255, 255, 0.08);
}

.panel-nav {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(10, 10, 14, 0.78);
  backdrop-filter: blur(30px) saturate(190%);
  -webkit-backdrop-filter: blur(30px) saturate(190%);
}

/* Mobile Screens: Header & Tabs at Bottom */
@media (max-width: 767px) {
  .panel-nav {
    bottom: 0 !important;
    top: auto !important;
    border: none !important;
    border-top: 1px solid var(--border-main) !important;
    border-bottom: none !important;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.28);
  }
}

/* Large Screens (Desktop / Tablet): Header on Top */
@media (min-width: 768px) {
  .panel-nav {
    top: 0 !important;
    bottom: auto !important;
    border: none !important;
    border-bottom: 1px solid var(--border-main) !important;
    border-top: none !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.28);
  }
}

html[data-theme="white"] .panel-nav {
  background: rgba(255, 255, 255, 0.82);
}

@media (max-width: 767px) {
  html[data-theme="white"] .panel-nav {
    border-top: 1px solid rgba(226, 232, 240, 0.9) !important;
    border-bottom: none !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  }
}

@media (min-width: 768px) {
  html[data-theme="white"] .panel-nav {
    border-bottom: 1px solid rgba(226, 232, 240, 0.9) !important;
    border-top: none !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  }
}

/* Header Switch Group: Transparent, No Background, No Outer Border, Split purely by vertical lines */
.header-switch-group {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

/* Glassy Look for Light Mode Cards (Allow Theme, Lighting and Particles to Shine Through) */
html[data-theme="white"] .panel-card,
html[data-theme="white"] .tilt-card,
html[data-theme="white"] .cert-spec-card,
html[data-theme="white"] .cert-matrix-card,
html[data-theme="white"] .bento-card,
html[data-theme="white"] .career-timeline-item > div:last-child,
html[data-theme="white"] .career-metric-card,
html[data-theme="white"] .operational-switch-item,
html[data-theme="white"] .bg-white {
  background: rgba(255, 255, 255, 0.65) !important;
  backdrop-filter: blur(24px) saturate(190%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(190%) !important;
  border-color: rgba(226, 232, 240, 0.8) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03) !important;
}

/* Glassy Look for Dark Mode Cards (Consistent frosted depth everywhere) */
html.dark .panel-card,
html.dark .tilt-card,
html.dark .cert-spec-card,
html.dark .cert-matrix-card,
html.dark .bento-card,
html.dark .career-timeline-item > div:last-child,
html.dark .career-metric-card,
html.dark .operational-switch-item {
  background: rgba(14, 16, 26, 0.65) !important;
  backdrop-filter: blur(24px) saturate(190%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(190%) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4) !important;
}

/* Light Mode High-Contrast Typography Fixes (No faint or mixing text) */
html[data-theme="white"] {
  --text-main: #0f172a;
  --text-muted: #334155;
  --text-subtle: #475569;
}

html[data-theme="white"] body {
  color: #0f172a !important;
}

html[data-theme="white"] .text-zinc-400,
html[data-theme="white"] .text-zinc-500 {
  color: #475569 !important; /* Slate 600 - deep 7:1 contrast on white */
}

html[data-theme="white"] .text-zinc-300 {
  color: #1e293b !important; /* Slate 800 */
}

html[data-theme="white"] .text-zinc-600 {
  color: #334155 !important; /* Slate 700 */
}

html[data-theme="white"] .text-zinc-700 {
  color: #0f172a !important;
}

html[data-theme="white"] .text-zinc-200,
html[data-theme="white"] .text-zinc-100 {
  color: #0f172a !important;
}

/* Preserve dark surface text inside light mode */
html[data-theme="white"] .terminal-console,
html[data-theme="white"] .terminal-console * {
  color: revert;
}
html[data-theme="white"] .terminal-console p.text-zinc-300 {
  color: #cbd5e1 !important;
}
html[data-theme="white"] .terminal-console p.text-zinc-400 {
  color: #94a3b8 !important;
}
html[data-theme="white"] .terminal-console p.text-emerald-400 {
  color: #34d399 !important;
}
html[data-theme="white"] #resume-modal *,
html[data-theme="white"] #owner-vault-modal * {
  color: revert;
}

/* Dynamic Accent Modifiers */
.btn-accent {
  background-color: var(--accent) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px var(--accent-glow);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-accent:hover {
  opacity: 0.94;
  transform: translateY(-1.5px);
  box-shadow: 0 8px 20px var(--accent-glow);
}
.btn-accent:active {
  transform: translateY(0);
}

.text-accent {
  color: var(--accent) !important;
}

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

.bg-accent-subtle {
  background-color: var(--accent-glow) !important;
}

/* Continuous 75+ Color Drag Bar (HORIZONTAL FOR DESKTOP) */
.color-drag-bar-horizontal {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  border-radius: 9999px;
  background: linear-gradient(
    to right,
    #ff0000 0%, #ff7f00 12.5%, #ffff00 25%, #00ff00 37.5%, #00ffff 50%, #0000ff 62.5%, #8b00ff 75%, #ff007f 87.5%, #ff0000 100%
  );
  outline: none;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.color-drag-bar-horizontal::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #000000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
  cursor: grab;
  transition: transform 0.1s ease;
}

.color-drag-bar-horizontal::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.color-drag-bar-horizontal::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.25);
}

/* Continuous 75+ Color Drag Bar (VERTICAL FOR MOBILE) */
.color-drag-bar-vertical {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 160px;
  border-radius: 9999px;
  background: linear-gradient(
    to top,
    #ff0000 0%, #ff7f00 12.5%, #ffff00 25%, #00ff00 37.5%, #00ffff 50%, #0000ff 62.5%, #8b00ff 75%, #ff007f 87.5%, #ff0000 100%
  );
  outline: none;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.15);
  writing-mode: vertical-lr;
  direction: rtl;
}

.color-drag-bar-vertical::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #000000;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  cursor: grab;
  transition: transform 0.1s ease;
}

.color-drag-bar-vertical::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.2);
}

/* Mobile Bottom Floating Navbar */
.mobile-bottom-nav {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--nav-border);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
}

.bottom-nav-item {
  color: var(--text-muted);
  transition: all 0.18s ease;
}
.bottom-nav-item:hover,
.bottom-nav-item.active {
  color: var(--accent);
  transform: translateY(-2px);
}

/* Interactive 3D Terminal Console */
.terminal-console {
  background: var(--terminal-bg);
  border: 1px solid var(--border-main);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.45);
  border-radius: 1rem;
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  padding: 0.6rem 1rem;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

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

.cursor-blink {
  animation: cursorBlink 1s infinite;
}

/* Architecture Pipeline Streaming Pulses */
@keyframes pipelineFlow {
  0% { stroke-dashoffset: 40; }
  100% { stroke-dashoffset: 0; }
}

.pipeline-stream {
  stroke-dasharray: 6 6;
  animation: pipelineFlow 1.2s linear infinite;
}

@keyframes beaconPing {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.beacon-pulse {
  animation: beaconPing 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.28);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Virtual Assistant ("Kwen") Responsive Alignment System */
#chat-window-panel {
  position: fixed;
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
}

#chat-window-panel.hidden,
#chat-window-panel[hidden],
#palette-dropdown-panel.hidden,
#palette-dropdown-panel[hidden],
#palette-backdrop.hidden,
#palette-backdrop[hidden],
#mobile-menu-drawer.hidden,
#mobile-menu-drawer[hidden],
#mobile-menu-backdrop.hidden,
#mobile-menu-backdrop[hidden] {
  display: none !important;
}

/* Hide scrollbar for clean mobile swiping */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

@media (max-width: 639px) {
  #chat-window-panel {
    bottom: 66px !important;
    left: 12px !important;
    right: 12px !important;
    width: auto !important;
    height: 480px !important;
    max-height: calc(100vh - 84px) !important;
  }
}

@media (min-width: 640px) {
  #chat-window-panel {
    bottom: 84px !important;
    right: 24px !important;
    left: auto !important;
    width: 390px !important;
    height: 520px !important;
    max-height: calc(100vh - 110px) !important;
  }
}

.chat-bubble-user {
  max-width: 82%;
  padding: 0.6rem 0.85rem;
  border-radius: 1rem 1rem 0.25rem 1rem;
  background-color: var(--accent);
  color: #ffffff;
  font-size: 0.75rem;
  line-height: 1.45;
  box-shadow: 0 2px 8px var(--accent-glow);
  word-break: break-word;
}

.chat-bubble-assistant {
  max-width: 85%;
  padding: 0.65rem 0.9rem;
  border-radius: 1rem 1rem 1rem 0.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-main);
  color: var(--text-main);
  font-size: 0.75rem;
  line-height: 1.5;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  word-break: break-word;
}

/* Chat Typing Effect & Thinking Pulse Indicators */
.chat-typing-cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  background-color: var(--accent);
  margin-left: 2px;
  vertical-align: -1px;
  animation: chatCursorBlink 0.75s infinite ease-in-out;
}

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

.thinking-bubble {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.85rem;
  border-radius: 1rem 1rem 1rem 0.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-main);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.thinking-pulse-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent);
  display: inline-block;
  animation: thinkingDotBounce 1.4s infinite ease-in-out both;
}

.thinking-pulse-dot:nth-child(1) { animation-delay: -0.32s; }
.thinking-pulse-dot:nth-child(2) { animation-delay: -0.16s; }
.thinking-pulse-dot:nth-child(3) { animation-delay: 0s; }

@keyframes thinkingDotBounce {
  0%, 80%, 100% { transform: scale(0.4); opacity: 0.35; }
  40% { transform: scale(1); opacity: 1; }
}

/* Live Pipeline Execution Stage Badges */
.stage-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.stage-status-running {
  background: rgba(37, 99, 235, 0.15) !important;
  color: var(--accent) !important;
  border: 1px solid var(--accent) !important;
  box-shadow: 0 0 12px var(--accent-glow) !important;
}

.stage-status-success {
  background: rgba(16, 185, 129, 0.15) !important;
  color: #10b981 !important;
  border: 1px solid rgba(16, 185, 129, 0.4) !important;
}

.stage-status-queued {
  background: rgba(113, 113, 122, 0.15) !important;
  color: #a1a1aa !important;
  border: 1px solid rgba(113, 113, 122, 0.25) !important;
}


/* ==========================================================================
   HANGING BULB & PULL-STRING THREAD SYSTEM (CENTERED BEHIND GLASS HEADER)
   ========================================================================== */
.hanging-lamp-fixture {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 35;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  user-select: none;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
}

.lamp-cord {
  width: 2px;
  height: 14px;
  background: linear-gradient(to bottom, #71717a, #3f3f46);
}

.lamp-socket {
  width: 14px;
  height: 8px;
  background: linear-gradient(135deg, #d4d4d8, #71717a);
  border-radius: 3px 3px 1px 1px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.lamp-glass {
  position: relative;
  width: 22px;
  height: 26px;
  border-radius: 50% 50% 40% 40% / 60% 60% 40% 40%;
  background: rgba(255, 255, 255, 0.12);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.lamp-filament {
  width: 7px;
  height: 9px;
  border: 1.5px solid #a1a1aa;
  border-top: none;
  border-radius: 0 0 3px 3px;
  transition: all 0.3s ease;
}

/* Pull Thread & Brass Bead (Strictly in same vertical line & gently swinging) */
.lamp-pull-string-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transform-origin: top center;
  animation: lamp-string-swing 3.2s ease-in-out infinite;
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 0 10px 6px 10px;
}

@keyframes lamp-string-swing {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(3deg); }
  75% { transform: rotate(-3deg); }
}

.lamp-pull-string {
  width: 2px;
  height: 36px;
  background: linear-gradient(to bottom, #a1a1aa, #f59e0b);
}

.lamp-bead {
  width: 9px;
  height: 12px;
  border-radius: 4px;
  background: radial-gradient(circle at 30% 30%, #fbbf24, #b45309);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.45), 0 0 8px rgba(245, 158, 11, 0.7);
  border: 1px solid #fef08a;
  transition: transform 0.15s ease;
}

.lamp-pull-string-wrapper:hover .lamp-bead {
  transform: scale(1.3);
}

.lamp-pull-string-wrapper.pulled {
  transform: translateY(14px) !important;
  animation: none !important;
}

/* State: Bulb ON */
html[data-lamp="on"] .lamp-glass {
  background: rgba(var(--accent-rgb), 0.25);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent), 0 0 35px var(--accent-glow), inset 0 0 10px rgba(255, 255, 255, 0.8);
}

html[data-lamp="on"] .lamp-filament {
  border-color: #ffffff;
  box-shadow: 0 0 8px #ffffff, 0 0 14px var(--accent);
}

/* Ambient Radial Light Cone from Bulb */
#lamp-ambient-beam {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 85vh;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    circle 800px at 50% -50px,
    rgba(var(--accent-rgb), 0.24) 0%,
    rgba(var(--accent-rgb), 0.1) 40%,
    rgba(var(--accent-rgb), 0.02) 70%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html[data-lamp="on"] #lamp-ambient-beam {
  opacity: 1;
}

/* State: Bulb OFF (Deep Glass Dimming - Components & Text blend into dark glass) */
html[data-lamp="off"] main {
  opacity: 0.22 !important;
  filter: blur(2.5px) brightness(0.45) grayscale(0.5) !important;
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1), filter 0.45s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

html[data-lamp="off"] #corner-pipeline-rail {
  opacity: 0.25 !important;
  transition: opacity 0.45s ease !important;
}

/* State: Bulb ON (Full Radiant Illumination of Text & Glass Cards) */
html[data-lamp="on"] main {
  opacity: 1 !important;
  filter: none !important;
  pointer-events: auto !important;
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1), filter 0.55s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

html[data-lamp="on"] #corner-pipeline-rail {
  opacity: 1 !important;
  pointer-events: auto !important;
  transition: opacity 0.55s ease !important;
}

/* Twinkling Very Light Hint Text (Gentle Opacity Twinkle at Very Start) */
@keyframes soft-twinkle {
  0%, 100% { opacity: 0.22; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.72; transform: translateX(-50%) translateY(-1px); }
}

.twinkle-hint-text {
  position: absolute;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  pointer-events: none;
  animation: soft-twinkle 2.8s ease-in-out infinite;
  z-index: 45;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.25);
}

html[data-theme="white"] .twinkle-hint-text {
  color: rgba(30, 30, 30, 0.55);
}

html[data-lamp="on"] .twinkle-hint-text {
  display: none !important;
}

/* Full-Screen Pure Glassmorphism Menu Modal (No Borders, Light Typography) */
#fullscreen-menu-modal {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: rgba(8, 8, 12, 0.82);
  backdrop-filter: blur(36px) saturate(190%);
  -webkit-backdrop-filter: blur(36px) saturate(190%);
  border: none !important;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

html[data-theme="white"] #fullscreen-menu-modal {
  background: rgba(255, 255, 255, 0.85);
}

#fullscreen-menu-modal.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Fullscreen Background Illustration Anchored to Top of Home Viewport (Shifted down 80px) */
.hero-fullscreen-illustration {
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: calc(100% - 80px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.hero-fullscreen-illustration img {
  width: auto;
  height: 92vh;
  max-height: 920px;
  max-width: 96vw;
  object-fit: contain;
  object-position: top center;
  opacity: 0.92;
  filter: drop-shadow(0 0 45px var(--accent-glow));
  transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
}

@media (max-width: 768px) {
  .hero-fullscreen-illustration img {
    height: 85vh;
    max-height: 720px;
    opacity: 0.90;
  }
}

html[data-theme="white"] .hero-fullscreen-illustration img {
  opacity: 0.90;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

html[data-lamp="on"] .hero-fullscreen-illustration img {
  opacity: 0.98;
  filter: drop-shadow(0 0 60px var(--accent-glow)) contrast(104%);
}

html[data-theme="white"][data-lamp="on"] .hero-fullscreen-illustration img {
  opacity: 0.96;
  filter: drop-shadow(0 0 45px var(--accent-glow)) contrast(104%);
}

/* First 40% Proper Theme Lighting (Radiant Upper Atmospheric Cone with 80px offset) */
.hero-top-theme-lighting {
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  height: 42vh;
  min-height: 280px;
  background: radial-gradient(ellipse 70% 100% at 50% 0%, rgba(var(--accent-rgb), 0.38) 0%, rgba(var(--accent-rgb), 0.18) 45%, rgba(var(--accent-rgb), 0.03) 80%, transparent 100%);
  filter: blur(14px);
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.5s ease;
}

html[data-lamp="on"] .hero-top-theme-lighting {
  opacity: 1;
}

html[data-lamp="off"] .hero-top-theme-lighting {
  opacity: 0.25;
}

html[data-theme="white"] .hero-top-theme-lighting {
  background: radial-gradient(ellipse 70% 100% at 50% 0%, rgba(var(--accent-rgb), 0.24) 0%, rgba(var(--accent-rgb), 0.08) 50%, transparent 100%);
}

/* Ultra-Glassy Experience Badge */
.hero-glass-badge {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04), inset 0 1px 2px rgba(255, 255, 255, 0.9), 0 0 18px var(--accent-glow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="black"] .hero-glass-badge,
html.dark .hero-glass-badge {
  background: rgba(18, 20, 30, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.08), 0 0 20px var(--accent-glow);
}

.hero-glass-badge:hover {
  transform: translateY(-1.5px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.12), 0 0 25px var(--accent-glow);
}

/* Stylish Architectural Frame for Home Narrative */
.hero-description-frame {
  position: relative;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-left: 3.5px solid var(--accent);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04), 0 0 18px var(--accent-glow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="black"] .hero-description-frame,
html.dark .hero-description-frame {
  background: rgba(12, 14, 22, 0.55);
  border: 1px solid rgba(39, 39, 42, 0.7);
  border-left: 3.5px solid var(--accent);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5), 0 0 24px var(--accent-glow);
}

.hero-description-frame:hover {
  transform: translateY(-2px);
  border-left-color: var(--accent);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.1), 0 0 30px var(--accent-glow);
}

/* Executive Certifications Matrix Deck */
.cert-matrix-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: 1.25rem;
  box-shadow: var(--card-shadow);
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.cert-matrix-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cert-matrix-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-border);
  box-shadow: var(--card-shadow-hover), 0 0 25px var(--accent-glow);
}

.cert-matrix-card:hover::before {
  opacity: 1;
}

/* Career Continuous Pipeline Timeline Spine & Joints (Less Opacity) */
.career-timeline-spine {
  position: relative;
  padding-left: 2rem;
  border-left: 1.5px solid rgba(var(--accent-rgb), 0.15);
  margin-left: 0.75rem;
}

@media (min-width: 640px) {
  .career-timeline-spine {
    padding-left: 2.75rem;
    margin-left: 1.25rem;
  }
}

.career-timeline-node {
  position: absolute;
  left: -2.4rem;
  top: 1.25rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1.5px solid rgba(var(--accent-rgb), 0.3);
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all 0.25s ease;
}

@media (min-width: 640px) {
  .career-timeline-node {
    left: -3.35rem;
    width: 1.15rem;
    height: 1.15rem;
  }
}

.career-timeline-node::after {
  content: '';
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.5);
  transition: all 0.25s ease;
}

.career-timeline-bridge {
  position: absolute;
  left: -2rem;
  top: 1.75rem;
  width: 2rem;
  height: 1.5px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.18), transparent);
  pointer-events: none;
}

@media (min-width: 640px) {
  .career-timeline-bridge {
    left: -2.75rem;
    width: 2.75rem;
  }
}

.career-timeline-item {
  position: relative;
  transition: transform 0.22s ease;
}

.career-timeline-item:hover {
  transform: translateX(3px);
}

.career-timeline-item:hover .career-timeline-node {
  border-color: rgba(var(--accent-rgb), 0.6);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.35);
}

/* Card Click Behavior: NO border highlights, background theme color activates */
.panel-card,
.tilt-card,
.cert-spec-card,
.bento-card,
.career-timeline-item > div:last-child {
  transition: background-color 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, transform 0.2s ease;
}

.panel-card:focus,
.panel-card:active,
.panel-card.card-theme-active,
.tilt-card:focus,
.tilt-card:active,
.tilt-card.card-theme-active,
.cert-spec-card:focus,
.cert-spec-card:active,
.cert-spec-card.card-theme-active,
.bento-card:focus,
.bento-card:active,
.bento-card.card-theme-active,
.career-timeline-item:focus > div:last-child,
.career-timeline-item:active > div:last-child,
.career-timeline-item.card-theme-active > div:last-child {
  outline: none !important;
  border-color: var(--border-main) !important;
  background: rgba(var(--accent-rgb), 0.12) !important;
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.16) !important;
}

/* Premium Certification Spec Sheet Cards (Compact, Balanced) */
.cert-spec-card {
  position: relative;
  border-radius: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  box-shadow: var(--card-shadow);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.cert-spec-card:hover {
  border-color: var(--border-main) !important;
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.cert-spec-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

/* Unified Hero Switches Bar (Single Horizontal Switch Row) */
.hero-switches-bar {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.35rem;
  border-radius: 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero-switch-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.18s ease;
}

.hero-switch-item:hover {
  color: var(--text-main);
  background: rgba(var(--accent-rgb), 0.1);
}

.hero-switch-item.active,
.hero-switch-item:active {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
}

/* Header Unified Switch Group (Combines Theme, Palette, and Resume in One Pill) */
.header-switch-group {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem;
  border-radius: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  box-shadow: var(--card-shadow);
}

/* Active Menu Modal Item with Dynamic Accent Theme Color */
.menu-modal-link.active-menu-item {
  color: var(--accent) !important;
  background: rgba(var(--accent-rgb), 0.14) !important;
  border: 1px solid var(--accent-border) !important;
  font-weight: 500 !important;
  box-shadow: 0 0 20px var(--accent-glow);
}


html[data-lamp="off"] .hero-fullscreen-illustration img {
  opacity: 0.90;
  filter: drop-shadow(0 0 35px var(--accent-glow));
}

html[data-theme="white"][data-lamp="off"] .hero-fullscreen-illustration img {
  opacity: 0.88;
  filter: drop-shadow(0 0 25px var(--accent-glow));
}

/* ==========================================================================
   LEFT CONTINUOUS VERTICAL 3D PIPELINE TRACK (SOURCE TO SINK)
   ========================================================================== */
.corner-pipeline-rail {
  position: fixed;
  left: 1.25rem;
  right: auto;
  top: 50%;
  transform: translateY(-50%);
  z-index: 38;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 0.75rem 0.4rem;
  border-radius: 9999px;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--nav-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

@media (min-width: 1024px) {
  .corner-pipeline-rail {
    display: flex;
  }
}

.v-pipe-segment {
  width: 2px;
  height: 24px;
  background: rgba(113, 113, 122, 0.3);
  position: relative;
  overflow: hidden;
}

.h-pipe-segment {
  width: 14px;
  height: 2px;
  background: rgba(113, 113, 122, 0.3);
  position: relative;
  overflow: hidden;
  shrink: 0;
}

.v-pipe-segment.filled,
.h-pipe-segment.filled {
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.v-pipe-segment.active-flow::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
  animation: v-pipe-flow 1.2s infinite linear;
}

.h-pipe-segment.active-flow::after {
  content: '';
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  animation: h-pipe-flow 1.2s infinite linear;
}

@keyframes v-pipe-flow {
  0% { top: -100%; }
  100% { top: 100%; }
}

@keyframes h-pipe-flow {
  0% { left: -100%; }
  100% { left: 100%; }
}

.v-pipe-node,
.h-pipe-node {
  position: relative;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  background: var(--bg-card);
  border: 1.5px solid rgba(113, 113, 122, 0.4);
  color: #71717a;
}

.v-pipe-node {
  width: 28px;
  height: 28px;
  font-size: 0.62rem;
}

.h-pipe-node {
  width: 20px;
  height: 20px;
  font-size: 0.55rem;
}

.v-pipe-node:hover,
.h-pipe-node:hover {
  transform: scale(1.15);
}

.v-pipe-node.success,
.h-pipe-node.success {
  background: rgba(16, 185, 129, 0.15) !important;
  border-color: #10b981 !important;
  color: #10b981 !important;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* In-progress circling ring animation around active node */
.v-pipe-node.active,
.h-pipe-node.active {
  background: rgba(var(--accent-rgb), 0.2) !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  box-shadow: 0 0 14px var(--accent-glow);
}

.v-pipe-node.active::after,
.h-pipe-node.active::after {
  content: '';
  position: absolute;
  inset: -3.5px;
  border-radius: 50%;
  border: 1.5px dashed var(--accent);
  animation: spin-slow 2.4s linear infinite;
  pointer-events: none;
}

@keyframes spin-slow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Stage 6 (Target Sink) Dedicated Radiant Green State (Vertical corner rail bottom node & mobile top bar 6th node) */
.v-pipe-node[data-stage-num="6"],
.h-pipe-node[data-stage-num="6"] {
  border-color: rgba(16, 185, 129, 0.6) !important;
  color: #10b981 !important;
}

.v-pipe-node[data-stage-num="6"]:hover,
.h-pipe-node[data-stage-num="6"]:hover {
  border-color: #10b981 !important;
  color: #10b981 !important;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5) !important;
}

.v-pipe-node[data-stage-num="6"].active,
.h-pipe-node[data-stage-num="6"].active,
.v-pipe-node[data-stage-num="6"].success,
.h-pipe-node[data-stage-num="6"].success {
  background: rgba(16, 185, 129, 0.22) !important;
  border-color: #10b981 !important;
  color: #10b981 !important;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.6) !important;
}

.v-pipe-node[data-stage-num="6"].active::after,
.h-pipe-node[data-stage-num="6"].active::after {
  content: '';
  position: absolute;
  inset: -3.5px;
  border-radius: 50%;
  border: 1.5px dashed #10b981 !important;
  animation: spin-slow 2.4s linear infinite;
  pointer-events: none;
}

/* Tooltip for pipeline rail nodes (Appears to the right since rail is on the left) */
.v-pipe-node::before {
  content: attr(data-stage-name);
  position: absolute;
  left: 36px;
  right: auto;
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  color: var(--text-main);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-6px);
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 40;
}

.v-pipe-node:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   BORDERLESS CENTERED VERTICAL COLOR THEME BAR (DIMMED BACKDROP)
   ========================================================================== */
#palette-backdrop {
  background: rgba(0, 0, 0, 0.82) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
}

#palette-dropdown-panel {
  position: fixed !important;
  inset: 0 !important;
  z-index: 52 !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  pointer-events: auto !important;
}

#palette-dropdown-panel.hidden {
  display: none !important;
}

.color-drag-bar-vertical {
  width: 16px !important;
  height: 280px !important;
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.8), 0 0 16px var(--accent-glow) !important;
}

/* ==========================================================================
   MOBILE FLOATING 2-BUTTON DOCK (CENTERED & COMPACT)
   ========================================================================== */
.mobile-fab-dock {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .mobile-fab-dock {
    display: none !important;
  }
}

.fab-circle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid var(--accent);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35), 0 0 10px var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fab-circle-btn:active {
  transform: scale(0.92);
}

.fab-plus-icon {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  line-height: 1;
}

.fab-circle-btn.open .fab-plus-icon {
  transform: rotate(45deg);
}

/* ==========================================================================
   SECRET OWNER 3D VAULT DOOR MODAL
   ========================================================================== */
#owner-vault-modal.hidden {
  display: none !important;
}

#owner-vault-modal:not(.hidden) {
  position: fixed;
  inset: 0;
  z-index: 99999 !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#visitor-gate-modal.hidden {
  display: none !important;
}

.vault-doors-wrapper {
  position: fixed;
  inset: 0;
  z-index: 61;
  display: flex;
  overflow: hidden;
  pointer-events: none;
  perspective: 1400px;
}

.vault-door-left,
.vault-door-right {
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, #090a10 0%, #171923 50%, #090a10 100%);
  border: 2px solid rgba(var(--accent-rgb), 0.35);
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  transition: transform 0.85s cubic-bezier(0.77, 0, 0.175, 1);
  will-change: transform;
}

.vault-door-left {
  border-right: 3px solid var(--accent);
  transform-origin: left center;
}

.vault-door-right {
  border-left: 3px solid var(--accent);
  transform-origin: right center;
}

/* When Vault Doors Split Open */
.vault-doors-wrapper.open .vault-door-left {
  transform: translateX(-102%) rotateY(-20deg);
}

.vault-doors-wrapper.open .vault-door-right {
  transform: translateX(102%) rotateY(20deg);
}

/* Vault Content Container */
.vault-content-container {
  position: relative;
  z-index: 62;
  width: 100%;
  max-width: 860px;
  max-height: 88vh;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 35px var(--accent-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ==========================================================================
   PORTFOLIO PIPELINE PRELOADER & VISITOR INTAKE
   ========================================================================== */
#pipeline-preloader {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(5, 5, 7, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

#pipeline-preloader.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#pipeline-preloader.hidden {
  display: none !important;
}

/* Footer Illustration Avatar with Dynamic Theme Color */
.footer-theme-avatar {
  width: 100%;
  height: 100%;
  background-color: var(--accent);
  -webkit-mask: url('../assets/gopi-illustration.png') no-repeat center / contain;
  mask: url('../assets/gopi-illustration.png') no-repeat center / contain;
  filter: drop-shadow(0 0 5px var(--accent-glow));
  transition: background-color 0.2s ease, filter 0.2s ease;
}

/* Print Styles */
@media print {
  #canvas-bg, .mobile-bottom-nav, #chat-window-panel, header, .pipeline-hud, .corner-pipeline-rail, .mobile-fab-dock, #pipeline-preloader {
    display: none !important;
  }
}