/* ===== PREMIUM UI OVERHAUL ===== */

/* --- CSS Variables & Theme Definitions --- */
:root {
  /* Default Light Theme - Deep Navy to Purple accents */
  --premium-grad-start: #1e3a8a; /* Blue 900 */
  --premium-grad-mid: #4c1d95; /* Violet 900 */
  --premium-grad-end: #312e81; /* Indigo 900 */
  
  --premium-accent: #6d28d9; /* Violet 700 */
  --premium-accent-light: #8b5cf6; /* Violet 500 */
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  
  --bg-color: #f8fafc;
  --text-main: #334155;
  --text-muted: #64748b;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
}



/* Global Application of Theme Variables */
body {
  background-color: var(--bg-color);
  color: var(--text-main);
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* --- Animated Gradient Background (Hero) --- */
.animated-gradient-bg {
  background: linear-gradient(-45deg, var(--premium-grad-start), var(--premium-grad-mid), var(--premium-grad-end), #1e293b);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  position: relative;
  overflow: hidden;
}

/* Adjust original hero to use new animated background */
.hero {
  background: none;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Floating Particles --- */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: floatUp 20s infinite linear;
  will-change: transform;
}

@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  20% { opacity: 0.8; }
  80% { opacity: 0.6; }
  100% { transform: translateY(-20vh) scale(1.5); opacity: 0; }
}

/* --- Glassmorphism --- */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-md, 20px);
}

/* Specific Card overrides for Glassmorphism & Hover */
.service-card, .case-card {
  background: var(--card-bg);
  border-color: var(--border-color);
  position: relative;
  z-index: 1;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease, border-color 0.3s ease;
  transform-style: preserve-3d; /* For Vanilla Tilt */
}

/* Inner elements popping out in Tilt */
.service-card .icon, .service-card h3, .service-card p, .service-card .service-link {
  transform: translateZ(30px);
}
.case-card img {
  transform: translateZ(20px);
}
.case-body {
  transform: translateZ(40px);
}

/* Glowing Border Hover */
.service-card::before, .case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  background: linear-gradient(45deg, var(--premium-accent), var(--premium-accent-light));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  margin: -2px; /* Border thickness */
}
.service-card:hover::before, .case-card:hover::before {
  opacity: 1;
}

/* --- Scroll Progress Bar --- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(to right, var(--premium-accent-light), var(--premium-accent));
  z-index: 9999;
  transition: width 0.1s ease-out;
}





/* Header & Nav Glassmorphism Overrides */
.header {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid var(--glass-border) !important;
}

.header.scrolled {
  background: var(--glass-bg) !important;
  box-shadow: var(--glass-shadow) !important;
}

@media (max-width: 768px) {
  .nav {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-top: 1px solid var(--glass-border) !important;
  }
}


/* --- Typed.js Cursor Fix --- */
.typed-cursor {
  color: white;
  font-weight: 300;
  animation: typedBlink 1s infinite;
}
@keyframes typedBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- Notifications / Toast --- */
.toast-container {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: var(--text-main);
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
  transform: translateX(0);
}

/* Performance Helpers */
.will-change-transform {
  will-change: transform;
}