/* Custom Design System & Animations for Sandesh Kolhe's Portfolio */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #06b6d4;
  --accent: #a855f7;
  --bg-dark: #0a0f1d;
  --card-dark: rgba(15, 23, 42, 0.75);
  --border-dark: rgba(255, 255, 255, 0.08);
  --text-dark: #f8fafc;
  --text-muted-dark: #94a3b8;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #090d16;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Dark & Light Theme Variables */
.dark {
  color-scheme: dark;
}

.light {
  color-scheme: light;
}

/* Background Gradients & Glows */
.radial-glow-1 {
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
}

.radial-glow-2 {
  background: radial-gradient(circle at 100% 50%, rgba(6, 182, 212, 0.12) 0%, transparent 50%);
}

.mesh-bg {
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
}

/* Glassmorphism Styles */
.glass-nav {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.glass-card {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px -10px rgba(99, 102, 241, 0.2);
}

/* Border Gradient Accent */
.gradient-border {
  position: relative;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.5), rgba(168, 85, 247, 0.2), transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Avatar Glow Ring */
.avatar-glow {
  position: relative;
}

.avatar-glow::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #6366f1, #a855f7, #06b6d4);
  z-index: -1;
  opacity: 0.7;
  filter: blur(8px);
  animation: pulse-glow 4s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  0% {
    opacity: 0.4;
    transform: scale(0.98);
  }
  100% {
    opacity: 0.85;
    transform: scale(1.03);
  }
}

/* Typing cursor */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background-color: #6366f1;
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Custom Checkbox / Radio styling for estimator */
.estimator-radio:checked + label {
  border-color: #6366f1;
  background-color: rgba(99, 102, 241, 0.12);
}

.estimator-check:checked + label {
  border-color: #6366f1;
  background-color: rgba(99, 102, 241, 0.12);
}

/* Toast Notification Animation */
.toast {
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Code badge font */
.mono-font {
  font-family: var(--font-mono);
}

/* Floating animation */
@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float-slow 5s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-slow 6s ease-in-out 2.5s infinite;
}