/* Premium Vivid Design Variables */
:root {
  --primary-color: #4361ee; /* Vivid Blue */
  --primary-gradient: linear-gradient(135deg, #4361ee 0%, #4cc9f0 100%);
  --secondary-gradient: linear-gradient(135deg, #3a0ca3 0%, #7209b7 100%);
  --accent-color: #f72585;
  --bg-color: #ffffff;
  --surface-color: #f8f9fa;
  --text-dark: #212529;
  --text-light: #6c757d;
  --border-color: #e9ecef;
  
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-xl: 0 25px 50px -12px rgba(67, 97, 238, 0.15);
  
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 50px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  background-color: var(--bg-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
}

/* Glassmorphism Classes */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
  background: rgba(29, 29, 31, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations defined */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.2, 1, 0.3, 1), transform 1s cubic-bezier(0.2, 1, 0.3, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered Delay Classes */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Mesh Gradient Background */
.mesh-bg {
  background: radial-gradient(at 0% 0%, hsla(225, 83%, 60%, 0.15) 0, transparent 50%),
              radial-gradient(at 50% 0%, hsla(280, 80%, 60%, 0.1) 0, transparent 50%),
              radial-gradient(at 100% 0%, hsla(190, 80%, 60%, 0.15) 0, transparent 50%);
}

/* Button Styling */
.btn-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  color: #fff !important;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-smooth);
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 20px -5px rgba(67, 97, 238, 0.3);
  gap: 8px;
}
.btn-premium:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px -5px rgba(67, 97, 238, 0.5);
  color: #fff !important;
  filter: brightness(1.1);
}

.btn-premium-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--primary-color) !important;
  padding: 12px 30px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-smooth);
  border: 2px solid var(--primary-color);
}
.btn-premium-outline:hover {
  background: var(--primary-color);
  color: #fff !important;
  transform: translateY(-2px);
}

/* Navbar */
.navbar-apple {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
  transition: padding 0.3s ease;
}
.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  margin: 0 10px;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link:hover {
  color: var(--primary-color) !important;
}

/* Card Styling */
.card-premium {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  border: 1px solid var(--border-color);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
.card-premium:hover {
  transform: translateY(-12px);
  border-color: rgba(67, 97, 238, 0.2);
  box-shadow: var(--shadow-xl);
}

/* Feature Badge */
.badge-vivid {
  background: rgba(67, 97, 238, 0.1);
  color: var(--primary-color);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-block;
}

/* Section Containers */
.section-padding {
  padding: 100px 0;
}

/* Input Fields */
.form-control-vivid {
  border: 2px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  padding: 15px 20px !important;
  transition: all var(--transition-fast) !important;
  font-weight: 500 !important;
}
.form-control-vivid:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1) !important;
  outline: none !important;
}

/* Hero Section Enhancement */
.hero-vivid {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.05) 0%, rgba(76, 201, 240, 0.05) 100%);
    border-radius: 40px;
    padding: 120px 40px;
    position: relative;
    overflow: hidden;
}

.hero-vivid::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(76, 201, 240, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}