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

/* --- DESIGN SYSTEM & SYSTEM VARIABLES --- */
:root {
  --bg-primary: hsl(222, 28%, 7%);
  --bg-secondary: hsl(222, 24%, 11%);
  --bg-card: hsla(222, 24%, 15%, 0.6);
  --bg-glass: hsla(222, 28%, 8%, 0.7);
  --border-color: hsla(222, 20%, 25%, 0.35);
  --border-highlight: hsla(258, 90%, 66%, 0.25);
  
  --text-primary: hsl(0, 0%, 96%);
  --text-secondary: hsl(222, 16%, 72%);
  --text-muted: hsl(222, 12%, 52%);
  
  --accent-cyan: hsl(180, 100%, 48%);
  --accent-violet: hsl(263, 90%, 64%);
  --accent-amber: hsl(38, 95%, 55%);
  --accent-green: hsl(142, 76%, 45%);
  --accent-red: hsl(350, 85%, 55%);
  
  --accent-gradient: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 100%);
  --accent-gradient-glow: linear-gradient(135deg, hsla(263, 90%, 64%, 0.3) 0%, hsla(180, 100%, 48%, 0.3) 100%);
  --accent-gradient-orange: linear-gradient(135deg, hsl(18, 95%, 55%) 0%, var(--accent-amber) 100%);
  
  --shadow-glow: 0 8px 32px 0 hsla(263, 90%, 64%, 0.15);
  --shadow-glow-cyan: 0 8px 32px 0 hsla(180, 100%, 48%, 0.15);
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
  
  --model-color: var(--accent-cyan);
  --model-scale: 1;
}

/* --- RESET & BASE STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background elements */
body::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, hsla(263, 90%, 64%, 0.08) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, hsla(180, 100%, 48%, 0.06) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: -0.02em;
}

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

button, input, select, textarea {
  font-family: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-violet);
}

/* --- CONTAINER AND GRID UTILITIES --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- GLASS LAYERS --- */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-glow);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  gap: 8px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: hsl(222, 28%, 7%);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 hsla(263, 90%, 64%, 0.3);
  filter: brightness(1.15);
}

.btn-secondary {
  background: hsla(222, 20%, 20%, 0.6);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: hsla(222, 20%, 25%, 0.8);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--accent-violet);
  background: hsla(263, 90%, 64%, 0.05);
}

/* --- NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: all var(--transition-normal);
}

header.scrolled {
  background: hsla(222, 28%, 7%, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

header:not(.scrolled) {
  padding: 24px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo svg {
  width: 32px;
  height: 32px;
  fill: url(#logoGradient);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
}

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: hsla(263, 90%, 64%, 0.1);
  border: 1px solid hsla(263, 90%, 64%, 0.25);
  border-radius: 100px;
  color: hsl(263, 90%, 75%);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-tag span {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse 1.8s infinite;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.15;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.hero-main-card {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 2;
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transition: transform var(--transition-slow);
}

.hero-main-card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-img-wrapper {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/5;
  border: 1px solid var(--border-color);
  position: relative;
}

.hero-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-main-card:hover img {
  transform: scale(1.05);
}

.hero-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(to top, hsla(222, 28%, 7%, 0.95) 0%, hsla(222, 28%, 7%, 0.5) 70%, transparent 100%);
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

.hero-card-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.hero-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.floating-badge {
  position: absolute;
  z-index: 3;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 6s ease-in-out infinite;
}

.fb-1 {
  top: 15%;
  right: -5%;
  animation-delay: 0s;
}

.fb-2 {
  bottom: 15%;
  left: -10%;
  animation-delay: 3s;
}

.floating-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-gradient-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-highlight);
}

.floating-badge-text h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.floating-badge-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* --- STATS SECTION --- */
.stats {
  padding: 40px 0;
}

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

.stat-item {
  padding: 30px;
  text-align: center;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --- SHOWCASE / GALLERY SECTION --- */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 100px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--accent-gradient);
  color: hsl(222, 28%, 7%);
  border-color: transparent;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
}

.gallery-card {
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.gallery-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-glow);
}

.card-img-container {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.card-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-card:hover .card-img-container img {
  transform: scale(1.08);
}

.card-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 6px 14px;
  background: hsla(222, 28%, 7%, 0.8);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}

.gallery-card:hover .card-title {
  color: var(--accent-cyan);
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- 3D CUSTOMIZER SECTION --- */
.customizer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}

.configurator-controls {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.config-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.config-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.config-label span.value-bubble {
  background: var(--border-color);
  color: var(--text-primary);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.option-btn {
  padding: 12px;
  background: hsla(222, 20%, 8%, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.option-btn:hover {
  border-color: var(--text-secondary);
}

.option-btn.active {
  border-color: var(--accent-cyan);
  background: hsla(180, 100%, 48%, 0.08);
  box-shadow: 0 0 12px 0 hsla(180, 100%, 48%, 0.15);
}

.option-btn h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.option-btn p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Colors swatch group */
.color-swatches {
  display: flex;
  gap: 16px;
}

.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-fast);
  border: 3px solid transparent;
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 16px var(--swatch-color);
}

/* Range input styling */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-gradient);
  cursor: pointer;
  box-shadow: 0 0 8px var(--accent-violet);
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Estimates Panel */
.estimates-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 10px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.est-item {
  text-align: center;
}

.est-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.est-val.cost-val {
  color: var(--accent-cyan);
}

.est-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* 3D Visualizer Bed Simulator */
.visualizer-preview {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.printer-bed-space {
  width: 100%;
  height: 380px;
  perspective: 900px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.printer-bed {
  width: 280px;
  height: 280px;
  background: 
    linear-gradient(hsla(180, 100%, 48%, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, hsla(180, 100%, 48%, 0.1) 1px, transparent 1px),
    rgba(22, 28, 45, 0.4);
  background-size: 20px 20px;
  border: 2px solid hsla(180, 100%, 48%, 0.35);
  transform: rotateX(60deg) rotateZ(-30deg);
  transform-style: preserve-3d;
  position: relative;
  transition: transform var(--transition-slow);
  box-shadow: 
    0 0 20px hsla(180, 100%, 48%, 0.1),
    inset 0 0 20px hsla(180, 100%, 48%, 0.1);
  animation: bedPulse 4s ease-in-out infinite;
}

.printer-bed-space:hover .printer-bed {
  transform: rotateX(55deg) rotateZ(-15deg);
}

.nozzle-gantry {
  position: absolute;
  top: 10px;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, transparent, hsla(263, 90%, 64%, 0.6), transparent);
  transform: translateZ(200px) rotateX(60deg) rotateZ(-30deg);
  z-index: 10;
  pointer-events: none;
  animation: nozzleFly 8s ease-in-out infinite alternate;
}

.nozzle-gantry::after {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--text-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: laserPulse 0.5s infinite alternate;
}

/* CSS 3D Model representations */
.virtual-model {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 80px;
  height: 140px;
  margin-left: -40px;
  margin-top: -70px;
  transform: translateZ(0px) rotateX(0deg) rotateY(0deg) scale3d(var(--model-scale), var(--model-scale), var(--model-scale));
  transform-style: preserve-3d;
  transition: transform var(--transition-normal);
  animation: spinModel 12s linear infinite;
}

/* Vase 3D geometry representation */
.virtual-model.model-vase .cylinder-layer {
  position: absolute;
  width: 80px;
  height: 2px;
  border: 1.5px solid var(--model-color);
  background: transparent;
  border-radius: 50%;
  box-shadow: 0 0 4px var(--model-color);
}

/* Build a layered spiral vase using 20 cylinder layers stacking up */
.virtual-model.model-vase .layer-1  { transform: translateZ(5px) scale(0.9); }
.virtual-model.model-vase .layer-2  { transform: translateZ(10px) scale(0.95); }
.virtual-model.model-vase .layer-3  { transform: translateZ(15px) scale(1.0); }
.virtual-model.model-vase .layer-4  { transform: translateZ(20px) scale(1.05); }
.virtual-model.model-vase .layer-5  { transform: translateZ(25px) scale(1.1); }
.virtual-model.model-vase .layer-6  { transform: translateZ(30px) scale(1.12); }
.virtual-model.model-vase .layer-7  { transform: translateZ(35px) scale(1.1); }
.virtual-model.model-vase .layer-8  { transform: translateZ(40px) scale(1.05); }
.virtual-model.model-vase .layer-9  { transform: translateZ(45px) scale(0.98); }
.virtual-model.model-vase .layer-10 { transform: translateZ(50px) scale(0.9); }
.virtual-model.model-vase .layer-11 { transform: translateZ(55px) scale(0.8); }
.virtual-model.model-vase .layer-12 { transform: translateZ(60px) scale(0.72); }
.virtual-model.model-vase .layer-13 { transform: translateZ(65px) scale(0.68); }
.virtual-model.model-vase .layer-14 { transform: translateZ(70px) scale(0.7); }
.virtual-model.model-vase .layer-15 { transform: translateZ(75px) scale(0.75); }
.virtual-model.model-vase .layer-16 { transform: translateZ(80px) scale(0.85); }
.virtual-model.model-vase .layer-17 { transform: translateZ(85px) scale(0.95); }
.virtual-model.model-vase .layer-18 { transform: translateZ(90px) scale(1.05); }
.virtual-model.model-vase .layer-19 { transform: translateZ(95px) scale(1.15); }
.virtual-model.model-vase .layer-20 { transform: translateZ(100px) scale(1.25); }

/* Model geometric prism */
.virtual-model.model-geometric {
  width: 80px;
  height: 80px;
  margin-top: -40px;
}
.virtual-model.model-geometric .prism-face {
  position: absolute;
  width: 80px;
  height: 80px;
  border: 1px solid var(--model-color);
  background: hsla(222, 28%, 7%, 0.4);
  box-shadow: 0 0 6px var(--model-color);
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: visible;
  color: var(--model-color);
}
.virtual-model.model-geometric .face-bottom { transform: rotateX(90deg) translateZ(40px); }
.virtual-model.model-geometric .face-top    { transform: rotateX(-90deg) translateZ(40px); }
.virtual-model.model-geometric .face-front  { transform: translateZ(40px); }
.virtual-model.model-geometric .face-back   { transform: rotateY(180deg) translateZ(40px); }
.virtual-model.model-geometric .face-left   { transform: rotateY(-90deg) translateZ(40px); }
.virtual-model.model-geometric .face-right  { transform: rotateY(90deg) translateZ(40px); }

/* Model gears mesh */
.virtual-model.model-gear {
  width: 90px;
  height: 90px;
  margin-top: -45px;
  margin-left: -45px;
}
.virtual-model.model-gear .gear-layer {
  position: absolute;
  width: 90px;
  height: 6px;
  border: 1.5px solid var(--model-color);
  background: hsla(222, 28%, 7%, 0.4);
  border-radius: 50%;
  box-shadow: 0 0 4px var(--model-color);
}
.virtual-model.model-gear .gear-layer::before,
.virtual-model.model-gear .gear-layer::after {
  content: '';
  position: absolute;
  top: -6px; left: 50%;
  margin-left: -4px;
  width: 8px; height: 18px;
  background: var(--model-color);
  border-radius: 2px;
}
.virtual-model.model-gear .gear-layer::after {
  transform: rotate(90deg);
}
.virtual-model.model-gear .gear-layer-1 { transform: translateZ(10px) rotate(0deg); }
.virtual-model.model-gear .gear-layer-2 { transform: translateZ(20px) rotate(15deg); }
.virtual-model.model-gear .gear-layer-3 { transform: translateZ(30px) rotate(30deg); }
.virtual-model.model-gear .gear-layer-4 { transform: translateZ(40px) rotate(45deg); }
.virtual-model.model-gear .gear-layer-5 { transform: translateZ(50px) rotate(60deg); }

.preview-status {
  position: absolute;
  top: 24px;
  left: 24px;
  background: hsla(222, 28%, 7%, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
}

.preview-status span.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 1.5s infinite;
}

/* --- THE PROCESS SECTION --- */
.process-timeline {
  position: relative;
  max-width: 900px;
  margin: 60px auto 0;
  padding: 20px 0;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-violet), var(--accent-cyan));
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-badge {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 3px solid var(--accent-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 0 16px var(--accent-violet);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.timeline-item:nth-child(even) .timeline-badge {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px var(--accent-cyan);
}

.timeline-content {
  width: 44%;
  padding: 30px;
  transition: transform var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-4px);
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  order: 1;
}

.timeline-item:nth-child(even) .timeline-content {
  order: 2;
  margin-left: auto;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-title {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- CONTACT / INQUIRY SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-detail-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.contact-text h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.contact-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.studio-preview {
  margin-top: 40px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  aspect-ratio: 16/10;
}

.studio-preview iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(1) invert(0.9) contrast(1.2);
}

/* Inquiry Form */
.inquiry-form-container {
  padding: 40px;
}

.form-title {
  font-size: 1.6rem;
  margin-bottom: 24px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-full-width {
  grid-column: span 2;
}

.form-group {
  position: relative;
  display: flex;
  flex-direction: column;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: hsla(222, 20%, 8%, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-violet);
  box-shadow: 0 0 10px 0 hsla(263, 90%, 64%, 0.15);
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: block;
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

/* File upload simulation container */
.file-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: hsla(222, 20%, 8%, 0.2);
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--accent-cyan);
  background: hsla(180, 100%, 48%, 0.03);
}

.file-upload-icon {
  margin-bottom: 12px;
  color: var(--text-muted);
}

.file-upload-area:hover .file-upload-icon {
  color: var(--accent-cyan);
}

.file-upload-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.file-upload-text span {
  color: var(--accent-cyan);
  font-weight: 500;
}

.file-upload-tip {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.file-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.8rem;
}

.file-remove {
  background: none;
  border: none;
  color: var(--accent-red);
  cursor: pointer;
  font-size: 0.95rem;
}

/* --- FOOTER --- */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-about p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-links-col h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-newsletter h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.newsletter-box {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.newsletter-box input {
  flex-grow: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--text-primary);
  outline: none;
  font-size: 0.9rem;
}

.newsletter-box input:focus {
  border-color: var(--accent-violet);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.admin-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.admin-toggle-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* --- MODAL DIALOGS --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 12, 18, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 24px;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
  position: relative;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--accent-red);
  border-color: transparent;
  transform: rotate(90deg);
}

/* Project Detail Modal Contents */
.modal-body {
  padding: 40px;
}

.project-modal-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
}

.project-modal-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-modal-main-img {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.project-modal-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-modal-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.project-modal-thumb {
  aspect-ratio: 4/3;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.project-modal-thumb:hover,
.project-modal-thumb.active {
  border-color: var(--accent-cyan);
}

.project-modal-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-modal-info h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.project-modal-tag {
  display: inline-block;
  padding: 4px 12px;
  background: hsla(180, 100%, 48%, 0.1);
  border: 1px solid hsla(180, 100%, 48%, 0.25);
  border-radius: 100px;
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.project-modal-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
}

.specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.specs-table td {
  padding: 10px 0;
  font-size: 0.9rem;
}

.specs-table td.spec-name {
  color: var(--text-muted);
  font-weight: 500;
  width: 45%;
}

.specs-table td.spec-val {
  color: var(--text-primary);
  font-weight: 600;
}

/* Success Modal Contents */
.success-modal-content {
  padding: 50px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.success-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: hsla(142, 76%, 45%, 0.15);
  border: 2px solid var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  margin-bottom: 24px;
  box-shadow: 0 0 20px hsla(142, 76%, 45%, 0.2);
}

.success-modal-content h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.success-modal-content p {
  color: var(--text-secondary);
  max-width: 460px;
  margin-bottom: 30px;
}

/* Admin Dashboard Modal Contents */
.admin-modal-content {
  padding: 40px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.admin-header h3 {
  font-size: 1.6rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.inquiries-table-container {
  overflow-x: auto;
}

.inquiries-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.inquiries-table th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.inquiries-table td {
  padding: 14px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: top;
}

.inquiries-table tr:hover {
  background: hsla(222, 24%, 15%, 0.4);
}

.inquiry-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-custom {
  background: hsla(263, 90%, 64%, 0.15);
  color: hsl(263, 90%, 75%);
  border: 1px solid hsla(263, 90%, 64%, 0.25);
}

.badge-gallery {
  background: hsla(180, 100%, 48%, 0.15);
  color: hsl(180, 100%, 70%);
  border: 1px solid hsla(180, 100%, 48%, 0.25);
}

.badge-design {
  background: hsla(38, 95%, 55%, 0.15);
  color: hsl(38, 95%, 75%);
  border: 1px solid hsla(38, 95%, 55%, 0.25);
}

.admin-delete-btn {
  background: transparent;
  border: none;
  color: var(--accent-red);
  cursor: pointer;
  font-size: 1rem;
  transition: transform var(--transition-fast);
}

.admin-delete-btn:hover {
  transform: scale(1.15);
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* --- ANIMATIONS --- */
@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.4);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(0, 242, 254, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 242, 254, 0);
  }
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes bedPulse {
  0%, 100% {
    border-color: hsla(180, 100%, 48%, 0.35);
    box-shadow: 0 0 20px hsla(180, 100%, 48%, 0.1);
  }
  50% {
    border-color: hsla(263, 90%, 64%, 0.5);
    box-shadow: 0 0 25px hsla(263, 90%, 64%, 0.2);
  }
}

@keyframes spinModel {
  0% {
    transform: translateZ(10px) rotateX(0deg) rotateY(0deg) rotateZ(0deg) scale3d(var(--model-scale), var(--model-scale), var(--model-scale));
  }
  100% {
    transform: translateZ(10px) rotateX(0deg) rotateY(360deg) rotateZ(360deg) scale3d(var(--model-scale), var(--model-scale), var(--model-scale));
  }
}

@keyframes nozzleFly {
  0% {
    transform: translateZ(120px) rotateX(60deg) rotateZ(-30deg) translate(-100px, -100px);
  }
  33% {
    transform: translateZ(120px) rotateX(60deg) rotateZ(-30deg) translate(80px, -60px);
  }
  66% {
    transform: translateZ(120px) rotateX(60deg) rotateZ(-30deg) translate(-60px, 80px);
  }
  100% {
    transform: translateZ(120px) rotateX(60deg) rotateZ(-30deg) translate(100px, 100px);
  }
}

@keyframes laserPulse {
  0% {
    box-shadow: 0 0 4px var(--accent-cyan);
  }
  100% {
    box-shadow: 0 0 12px var(--accent-cyan), 0 0 24px var(--accent-cyan);
  }
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero {
    padding-top: 120px;
    padding-bottom: 60px;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual {
    margin-top: 40px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .customizer-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .menu-toggle {
    display: block;
    font-size: 1.5rem;
    z-index: 101;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    padding: 100px 40px;
    gap: 24px;
    transition: right var(--transition-normal);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .process-timeline::before {
    left: 20px;
  }
  
  .timeline-badge {
    left: 20px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    text-align: left !important;
  }
  
  .timeline-item {
    flex-direction: row !important;
    margin-bottom: 40px;
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 60px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content {
    margin-left: 60px;
  }
  
  .project-modal-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-full-width {
    grid-column: span 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .fb-2 {
    display: none;
  }
  
  .floating-badge {
    padding: 8px 12px;
  }
  
  .modal-body {
    padding: 20px;
  }
}