/* --- Custom CSS for Premium Personal Portfolio --- */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.05);
}
.dark ::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 1);
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.4);
  border-radius: 5px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.8);
  border: 2px solid transparent;
  background-clip: padding-box;
}

/* --- Theme Transition Ease --- */
.theme-transition {
  transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Animated Glowing Blobs --- */
.glow-blob {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
  animation: blob-float 15s infinite alternate ease-in-out;
}

.dark .glow-blob {
  opacity: 0.25;
}

@keyframes blob-float {
  0% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(50px, -80px) scale(1.1);
  }
  66% {
    transform: translate(-30px, 40px) scale(0.95);
  }
  100% {
    transform: translate(0, 0) scale(1);
  }
}

/* --- Custom Glassmorphism --- */
.glass-panel {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.dark .glass-panel {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-nav {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.dark .glass-nav {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* --- Glow Shadows & Hover Effects --- */
.glow-primary {
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.15);
}
.dark .glow-primary {
  box-shadow: 0 0 35px rgba(99, 102, 241, 0.25);
}

.glow-primary-hover:hover {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.glow-secondary {
  box-shadow: 0 0 25px rgba(236, 72, 153, 0.15);
}
.dark .glow-secondary {
  box-shadow: 0 0 35px rgba(236, 72, 153, 0.25);
}

.glow-secondary-hover:hover {
  box-shadow: 0 0 30px rgba(236, 72, 153, 0.4);
  transform: translateY(-2px);
}

/* --- Code Block Mockup --- */
.code-card {
  font-family: 'Courier New', Courier, monospace;
}

/* --- Entrance Animations (Scroll Reveal) --- */
.reveal {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-fade-in {
  opacity: 0;
}
.reveal-fade-in.active {
  opacity: 1;
}

.reveal-slide-up {
  transform: translateY(40px);
}
.reveal-slide-up.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-slide-left {
  transform: translateX(-40px);
}
.reveal-slide-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-slide-right {
  transform: translateX(40px);
}
.reveal-slide-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale-up {
  transform: scale(0.92);
}
.reveal-scale-up.active {
  opacity: 1;
  transform: scale(1);
}

/* Sequential Stagger delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }

/* Micro-interaction scale */
.hover-scale {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-scale:hover {
  transform: scale(1.03);
}

/* Timeline Custom Styles */
.timeline-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
}
.dark .timeline-dot::after {
  background: #0f172a;
}