/* ============================================
   Victor Consultancy — Multi-Theme Design System
   6 Themes: Dark, Light, Neon, Space, Futuristic AI, Sophisticated
   3D Animated, Interactive, Futuristic
   ============================================ */

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

/* ========== THEME DEFINITIONS ========== */

/* LIGHT THEME - Clean, professional, minimal */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-card: rgba(255,255,255,0.95);
  --bg-glass: rgba(255,255,255,0.8);
  --bg-glow: rgba(100,100,100,0.1);
  --border: rgba(0,0,0,0.1);
  --border-glow: rgba(0,0,0,0.2);
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8a8aa0;
  --accent: #2563eb;
  --accent-glow: rgba(37,99,235,0.3);
  --particle-color: 30, 30, 60;
  --canvas-opacity: 0.08;
  --font-display: 'Space Grotesk', sans-serif;
  --glow-strength: 0;
  --animation-speed: 1;
}

/* DARK THEME - Sleek, modern, professional */
[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --bg-card: rgba(18,18,26,0.95);
  --bg-glass: rgba(10,10,15,0.85);
  --bg-glow: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.1);
  --border-glow: rgba(255,255,255,0.2);
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #6366f1;
  --accent-glow: rgba(99,102,241,0.4);
  --particle-color: 200, 200, 255;
  --canvas-opacity: 0.15;
  --font-display: 'Space Grotesk', sans-serif;
  --glow-strength: 0.5;
  --animation-speed: 1;
}

/* NEON THEME - Cyberpunk, vibrant, electric (toned down for readability) */
[data-theme="neon"] {
  --bg-primary: #0d0d1a;
  --bg-secondary: #1a0a2e;
  --bg-tertiary: #2d1b4e;
  --bg-card: rgba(26,10,46,0.95);
  --bg-glass: rgba(13,13,26,0.92);
  --bg-glow: rgba(200,100,255,0.08);
  --border: rgba(200,100,255,0.25);
  --border-glow: rgba(100,200,255,0.35);
  --text-primary: #f5f0ff;
  --text-secondary: #c8b0e0;
  --text-muted: #8070a0;
  --accent: #c850f0;
  --accent-secondary: #50c8f0;
  --accent-glow: rgba(200,80,240,0.4);
  --particle-color: 200, 100, 255;
  --canvas-opacity: 0.18;
  --font-display: 'Space Grotesk', sans-serif;
  --glow-strength: 0.5;
  --animation-speed: 1.2;
}

/* SPACE THEME - Cosmic, deep, infinite (improved readability) */
[data-theme="space"] {
  --bg-primary: #050515;
  --bg-secondary: #0a0a25;
  --bg-tertiary: #151535;
  --bg-card: rgba(15,15,40,0.95);
  --bg-glass: rgba(8,8,20,0.92);
  --bg-glow: rgba(100,150,255,0.08);
  --border: rgba(100,150,255,0.2);
  --border-glow: rgba(150,200,255,0.3);
  --text-primary: #e8ecff;
  --text-secondary: #a8b8d8;
  --text-muted: #6878a0;
  --accent: #5090ff;
  --accent-secondary: #7050e0;
  --accent-glow: rgba(80,144,255,0.35);
  --particle-color: 100, 150, 255;
  --canvas-opacity: 0.2;
  --font-display: 'Space Grotesk', sans-serif;
  --glow-strength: 0.5;
  --animation-speed: 0.8;
}

/* FUTURISTIC AI THEME - Tech, neural, intelligent (refined) */
[data-theme="ai"] {
  --bg-primary: #0a1015;
  --bg-secondary: #101820;
  --bg-tertiary: #182028;
  --bg-card: rgba(16,24,32,0.96);
  --bg-glass: rgba(10,16,21,0.94);
  --bg-glow: rgba(0,200,160,0.06);
  --border: rgba(0,200,160,0.18);
  --border-glow: rgba(0,200,160,0.3);
  --text-primary: #e8f8f5;
  --text-secondary: #90c8c0;
  --text-muted: #508880;
  --accent: #20e0b0;
  --accent-secondary: #20a0e0;
  --accent-glow: rgba(32,224,176,0.3);
  --particle-color: 32, 224, 176;
  --canvas-opacity: 0.15;
  --font-display: 'Space Grotesk', sans-serif;
  --glow-strength: 0.4;
  --animation-speed: 1;
}

/* SOPHISTICATED THEME - Elegant, luxurious, refined */
[data-theme="sophisticated"] {
  --bg-primary: #1a1814;
  --bg-secondary: #252220;
  --bg-tertiary: #2f2b28;
  --bg-card: rgba(37,34,32,0.95);
  --bg-glass: rgba(26,24,20,0.9);
  --bg-glow: rgba(212,175,55,0.08);
  --border: rgba(212,175,55,0.2);
  --border-glow: rgba(212,175,55,0.4);
  --text-primary: #f5f0e8;
  --text-secondary: #c0b8a8;
  --text-muted: #807868;
  --accent: #d4af37;
  --accent-secondary: #a08030;
  --accent-glow: rgba(212,175,55,0.4);
  --particle-color: 212, 175, 55;
  --canvas-opacity: 0.12;
  --font-display: 'Space Grotesk', sans-serif;
  --glow-strength: 0.4;
  --animation-speed: 0.8;
}

/* ========== BASE RESET ========== */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ========== 3D BACKGROUND CANVAS ========== */
#vc-bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: var(--canvas-opacity);
  transition: opacity 0.8s ease;
}

.vc-content {
  position: relative;
  z-index: 1;
}

/* ========== ANIMATED PARTICLES OVERLAY ========== */
.vc-particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.vc-particle {
  position: absolute;
  width: 4px; height: 4px;
  background: rgba(var(--particle-color), 0.6);
  border-radius: 50%;
  animation: float-particle 15s infinite ease-in-out;
  box-shadow: 0 0 10px rgba(var(--particle-color), var(--glow-strength));
}

@keyframes float-particle {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  50% { transform: translateY(-100vh) translateX(50px) scale(1.5); }
}

/* ========== NAVIGATION ========== */
.vc-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.vc-nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.vc-nav__logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vc-nav__logo:hover .vc-nav__logo-img {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 20px var(--accent-glow);
}

.vc-nav__links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.vc-nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.vc-nav__link::before {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--accent);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.vc-nav__link:hover::before,
.vc-nav__link--active::before {
  width: 80%;
}

.vc-nav__link:hover {
  background: var(--bg-glow);
  color: var(--accent);
}

.vc-nav__link--active {
  color: var(--accent);
}

/* ========== THEME SELECTOR (Discreet Dropdown) ========== */
.vc-theme-selector {
  position: relative;
  margin-left: 0.75rem;
}

.vc-theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.vc-theme-toggle:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.vc-theme-toggle__icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.vc-theme-toggle__arrow {
  width: 10px;
  height: 10px;
  opacity: 0.6;
}

.vc-theme-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  min-width: 140px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.vc-theme-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.vc-theme-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.5rem 0.6rem;
  background: transparent;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-align: left;
  transition: all 0.15s ease;
}

.vc-theme-btn:hover {
  background: var(--bg-glow);
  color: var(--text-primary);
}

.vc-theme-btn--active {
  background: var(--accent);
  color: var(--bg-primary);
}

.vc-theme-btn__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.vc-theme-btn[data-theme="light"] .vc-theme-btn__dot { background: linear-gradient(135deg, #fff 50%, #ccc 50%); border: 1px solid #ddd; }
.vc-theme-btn[data-theme="dark"] .vc-theme-btn__dot { background: linear-gradient(135deg, #333 50%, #111 50%); }
.vc-theme-btn[data-theme="neon"] .vc-theme-btn__dot { background: linear-gradient(135deg, #ff00ff 50%, #00ffff 50%); }
.vc-theme-btn[data-theme="space"] .vc-theme-btn__dot { background: linear-gradient(135deg, #4080ff 50%, #0a0020 50%); }
.vc-theme-btn[data-theme="ai"] .vc-theme-btn__dot { background: linear-gradient(135deg, #00ffc8 50%, #0a1015 50%); }
.vc-theme-btn[data-theme="sophisticated"] .vc-theme-btn__dot { background: linear-gradient(135deg, #d4af37 50%, #1a1814 50%); }

/* ========== HERO SECTION ========== */
.vc-hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.vc-hero__bg-effect {
  position: absolute;
  top: 50%; left: 50%;
  width: 800px; height: 800px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: pulse-glow 4s infinite ease-in-out;
  pointer-events: none;
}

@keyframes pulse-glow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.vc-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glow);
  border: 1px solid var(--border);
  border-radius: 100px;
  animation: fade-in-up 0.8s ease forwards;
}

.vc-heading {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.vc-heading--hero {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  max-width: 900px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fade-in-up 1s ease 0.2s forwards;
  opacity: 0;
}

.vc-heading--xl { font-size: clamp(2rem, 4vw, 3rem); }
.vc-heading--lg { font-size: clamp(1.5rem, 3vw, 2rem); }
.vc-heading--md { font-size: 1.5rem; }

.vc-subtext {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-top: 1.5rem;
  animation: fade-in-up 1s ease 0.4s forwards;
  opacity: 0;
}

.vc-hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  animation: fade-in-up 1s ease 0.6s forwards;
  opacity: 0;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== BUTTONS ========== */
.vc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  position: relative;
  overflow: hidden;
}

.vc-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.vc-btn:hover::before {
  left: 100%;
}

.vc-btn--primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.vc-btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.vc-btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.vc-btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-glow);
}

/* ========== CONTAINER & SECTIONS ========== */
.vc-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.vc-section {
  padding: 6rem 0;
}

/* ========== CARDS ========== */
.vc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.vc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary, var(--accent)));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.vc-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2), 0 0 30px var(--accent-glow);
}

.vc-card:hover::before {
  transform: scaleX(1);
}

.vc-card__icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glow);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-size: 1.5rem;
}

.vc-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

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

/* ========== GRID ========== */
.vc-grid {
  display: grid;
  gap: 2rem;
}

.vc-grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.vc-grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.vc-grid--4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ========== STATS ========== */
.vc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 3rem 0;
}

.vc-stat {
  text-align: center;
}

.vc-stat__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 30px var(--accent-glow);
}

.vc-stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========== FEATURE SECTIONS ========== */
.vc-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

.vc-feature--reverse {
  direction: rtl;
}

.vc-feature--reverse > * {
  direction: ltr;
}

.vc-feature__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  background: var(--bg-tertiary);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.vc-feature__visual img {
  max-width: 100%;
  max-height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.vc-feature__visual:hover img {
  transform: scale(1.05);
}

/* ========== FOOTER ========== */
.vc-footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  background: var(--bg-glass);
}

/* ========== ANIMATIONS ========== */
.vc-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.vc-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Neon flicker effect */
@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    text-shadow: 
      0 0 5px var(--accent),
      0 0 10px var(--accent),
      0 0 20px var(--accent),
      0 0 40px var(--accent);
  }
  20%, 24%, 55% {
    text-shadow: none;
  }
}

/* Removed neon flicker - too distracting */

/* Circuit pattern for AI theme */
[data-theme="ai"] .vc-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: 
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  pointer-events: none;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .vc-nav {
    padding: 0 1rem;
    height: 56px;
  }
  
  .vc-nav__links {
    gap: 0.25rem;
  }
  
  .vc-nav__link {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
  }
  
  .vc-hero {
    min-height: 70vh;
    padding: 3rem 1rem;
  }
  
  .vc-hero__actions {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  
  .vc-feature {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .vc-feature--reverse {
    direction: ltr;
  }
  
  .vc-theme-selector {
    margin-left: 0.5rem;
  }
  
  .vc-theme-btn {
    width: 24px; height: 24px;
  }
}

/* ========== FORMS ========== */
.vc-form__group {
  margin-bottom: 1.5rem;
}

.vc-form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.vc-form__input,
.vc-form__select,
.vc-form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.vc-form__input:focus,
.vc-form__select:focus,
.vc-form__textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.vc-form__input::placeholder,
.vc-form__textarea::placeholder {
  color: var(--text-muted);
}

.vc-form__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.vc-form__textarea {
  resize: vertical;
  min-height: 120px;
}

.vc-alert {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

.vc-alert--success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
}

/* ========== TAGS ========== */
.vc-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  background: var(--bg-glow);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
}

/* ========== CHAT ========== */
.vc-chat-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 60vh;
}

.vc-chat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 70vh;
}

.vc-chat__header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-glass);
}

.vc-chat__title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.vc-chat__icon {
  font-size: 1.5rem;
}

.vc-chat__status {
  display: block;
  font-size: 0.8rem;
  color: #22c55e;
}

.vc-chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vc-chat__message {
  display: flex;
  gap: 0.75rem;
  max-width: 85%;
}

.vc-chat__message--user {
  flex-direction: row-reverse;
  margin-left: auto;
}

.vc-chat__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.vc-chat__bubble {
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.vc-chat__bubble p { margin: 0 0 0.75rem 0; }
.vc-chat__bubble p:last-child { margin-bottom: 0; }
.vc-chat__bubble ul { margin: 0.5rem 0; padding-left: 1.25rem; }
.vc-chat__bubble li { margin: 0.25rem 0; }

.vc-chat__message--user .vc-chat__bubble {
  background: var(--accent);
  color: var(--bg-primary);
}

.vc-chat__input-area {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-glass);
}

.vc-chat__suggestions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.vc-chat__suggestion {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.vc-chat__suggestion:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.vc-chat__form {
  display: flex;
  gap: 0.75rem;
}

.vc-chat__input {
  flex: 1;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
}

.vc-chat__input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Typing indicator */
.vc-typing-dots {
  display: flex;
  gap: 4px;
  padding: 0.25rem 0;
}

.vc-typing-dots span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out both;
}

.vc-typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.vc-typing-dots span:nth-child(2) { animation-delay: -0.16s; }
.vc-typing-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ========== CALENDAR ========== */
.vc-calendar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.vc-calendar__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.vc-calendar__day {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.vc-calendar__date {
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.vc-calendar__slots {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.vc-calendar__slot {
  padding: 0.5rem;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-primary);
}

.vc-calendar__slot:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--bg-glow);
}

.vc-calendar__slot--selected {
  background: var(--accent) !important;
  color: var(--bg-primary) !important;
  border-color: var(--accent) !important;
}

.vc-calendar__slot--unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* ========== DOCS ========== */
.vc-docs-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.vc-docs-sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  position: sticky;
  top: 70px;
  height: calc(100vh - 70px);
  overflow-y: auto;
}

.vc-docs-sidebar__section {
  margin-bottom: 2rem;
}

.vc-docs-sidebar__title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.vc-docs-sidebar__link {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.vc-docs-sidebar__link:hover,
.vc-docs-sidebar__link--active {
  color: var(--accent);
}

.vc-docs-content {
  padding: 3rem 4rem;
  max-width: 900px;
}

.vc-docs-section {
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}

.vc-docs-section:last-child {
  border-bottom: none;
}

.vc-docs-callout {
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.vc-docs-callout--info {
  background: rgba(59, 130, 246, 0.1);
  border-left: 4px solid #3b82f6;
}

.vc-docs-callout--warning {
  background: rgba(245, 158, 11, 0.1);
  border-left: 4px solid #f59e0b;
}

.vc-docs-list {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

.vc-docs-list li {
  margin: 0.5rem 0;
  line-height: 1.6;
}

.vc-docs-code {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 1.5rem 0;
  overflow: hidden;
}

.vc-docs-code__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.vc-docs-code__copy {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
}

.vc-docs-code__copy:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.vc-docs-code pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
}

.vc-docs-code code {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
}

.vc-docs-endpoint {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.vc-docs-endpoint__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.vc-docs-endpoint__method {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.vc-docs-endpoint__method--get { background: #22c55e; color: #000; }
.vc-docs-endpoint__method--post { background: #3b82f6; color: #fff; }
.vc-docs-endpoint__method--put { background: #f59e0b; color: #000; }
.vc-docs-endpoint__method--delete { background: #ef4444; color: #fff; }

/* ========== FAQ ========== */
.vc-faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.vc-faq__question {
  padding: 1.25rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vc-faq__question::-webkit-details-marker {
  display: none;
}

.vc-faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.vc-faq__item[open] .vc-faq__question::after {
  transform: rotate(45deg);
}

.vc-faq__answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.vc-faq__answer ul, .vc-faq__answer ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.vc-faq__answer li {
  margin: 0.5rem 0;
}

/* ========== BLOG ========== */
.vc-blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.vc-blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.vc-blog-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0.75rem 0;
  line-height: 1.3;
}

.vc-blog-card__excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.vc-blog-card__meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* ========== GLOSSARY ========== */
.vc-glossary__letter {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.vc-glossary__list {
  margin: 0;
}

.vc-glossary__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.vc-glossary__item dt {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.vc-glossary__item dd {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== PORTFOLIO CARD ========== */
.vc-portfolio-card {
  position: relative;
}

.vc-portfolio-card__status {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: #22c55e;
  color: #000;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vc-portfolio-card__status--dev {
  background: #f59e0b;
}

.vc-portfolio-card__status--coming {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ========== CARD LINK VARIANT ========== */
.vc-card--link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.vc-card--link:hover {
  color: inherit;
}

/* ========== BACK LINK ========== */
.vc-back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.vc-back-link:hover {
  color: var(--accent);
}

/* ========== TEXT UTILITIES ========== */
.vc-text {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

/* ========== ARTICLE ========== */
.vc-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.vc-article__header {
  text-align: center;
  padding: 4rem 0 3rem;
}

.vc-article__header .vc-heading--hero {
  font-size: 2.5rem;
  margin: 1rem 0;
}

.vc-article__meta {
  display: flex;
  gap: 2rem;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.vc-article__lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.vc-article__content {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}

.vc-article__content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 3rem 0 1rem;
}

.vc-article__content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2rem 0 1rem;
}

.vc-article__content p {
  margin: 1rem 0;
}

.vc-article__content ul, .vc-article__content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.vc-article__content li {
  margin: 0.5rem 0;
}

.vc-article__content a {
  color: var(--accent);
  text-decoration: underline;
}

.vc-article__content a:hover {
  color: var(--text-primary);
}

.vc-article__content code {
  background: var(--bg-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.vc-article__content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.vc-article__content pre code {
  background: transparent;
  padding: 0;
}

.vc-article__content blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-muted);
}

.vc-article__footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.vc-article__share {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.vc-article__cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
}

.vc-article__cta h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
}

/* ========== RESPONSIVE ADDITIONS ========== */
@media (max-width: 1024px) {
  .vc-docs-layout {
    grid-template-columns: 1fr;
  }
  
  .vc-docs-sidebar {
    display: none;
  }
  
  .vc-docs-content {
    padding: 2rem;
  }
  
  .vc-calendar__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .vc-chat {
    height: 80vh;
  }
  
  .vc-calendar__grid {
    grid-template-columns: 1fr;
  }
  
  .vc-grid--1 { grid-template-columns: 1fr; }
}