/* ===========================
   MODERN PORTFOLIO CSS
   IT Project Manager Theme
   =========================== */

:root {
  /* Primary Colors - Royal Theme */
  --primary-gradient: linear-gradient(135deg, #6a0d83 0%, #a855f7 50%, #3b82f6 100%);
  --secondary-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #a855f7 50%, #c084fc 100%);
  --dark-gradient: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
  
  /* Colors */
  --primary-color: #6a0d83;
  --secondary-color: #a855f7;
  --accent-color: #fbbf24;
  --text-dark: #1e1b4b;
  --text-light: #64748b;
  --bg-light: #faf5ff;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-primary: 'Inter', 'Outfit', sans-serif;
  --font-heading: 'Montserrat', 'Outfit', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 40px rgba(106, 13, 131, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
}

/* ===========================
   RESET & BASE STYLES
   =========================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* ===========================
   TYPOGRAPHY
   =========================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

/* ===========================
   ANIMATIONS
   =========================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
  }
  50% {
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
  }
}

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

/* ===========================
   UTILITY CLASSES
   =========================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.text-center { text-align: center; }
.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

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

.btn-outline:hover {
  background: var(--primary-gradient);
  color: white;
  border-color: transparent;
}

.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

/* ===========================
   RESPONSIVE GRID
   =========================== */

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   SCROLL ANIMATIONS
   =========================== */

[data-animate] {
  opacity: 0;
  transition: all 0.8s ease;
}

[data-animate].animated {
  opacity: 1;
}

[data-animate="fade-up"].animated {
  animation: fadeInUp 0.8s ease forwards;
}

[data-animate="fade-down"].animated {
  animation: fadeInDown 0.8s ease forwards;
}

[data-animate="slide-left"].animated {
  animation: slideInLeft 0.8s ease forwards;
}

[data-animate="slide-right"].animated {
  animation: slideInRight 0.8s ease forwards;
}

[data-animate="scale"].animated {
  animation: scaleIn 0.8s ease forwards;
}

/* ===========================
   LOADING ANIMATION
   =========================== */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-gradient);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}