/* Mirja Riyadh Portfolio Custom Styles */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2234;
  --bg-card-hover: #222d42;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --border-color: #2e3a52;
  --nav-bg: rgba(10, 14, 23, 0.85);
}



body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

.font-mono-code {
  font-family: 'Fira Code', monospace;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Grid overlay background effect */
.bg-grid-pattern {
  background-image: radial-gradient(rgba(6, 182, 212, 0.12) 1px, transparent 0);
  background-size: 24px 24px;
}

.light-theme .bg-grid-pattern {
  background-image: radial-gradient(rgba(2, 132, 199, 0.15) 1px, transparent 0);
  background-size: 24px 24px;
}

/* Glassmorphism */
.glass-panel {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
}

/* Before/After Comparison Slider */
.comparison-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
  user-select: none;
  border: 1px solid var(--border-color);
  touch-action: pan-y;
}

.comparison-slider img {
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.comparison-slider .img-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  overflow: hidden;
  z-index: 2;
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
  -webkit-clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
  pointer-events: none;
}

.comparison-slider .slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: var(--accent-cyan);
  cursor: ew-resize;
  z-index: 10;
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.8);
  transform: translateX(-50%);
}

.comparison-slider .slider-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  background-color: var(--accent-cyan);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  border: 2px solid #0f172a;
  pointer-events: none;
}

/* Section Reveal on Scroll (Smooth & Professional Intersection Observer Animation) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay classes for direct child elements */
.reveal-stagger > *:nth-child(1) { transition-delay: 50ms; }
.reveal-stagger > *:nth-child(2) { transition-delay: 120ms; }
.reveal-stagger > *:nth-child(3) { transition-delay: 190ms; }
.reveal-stagger > *:nth-child(4) { transition-delay: 260ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Hover & Card Animations */
.card-hover {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px -6px rgba(6, 182, 212, 0.18);
  border-color: var(--accent-cyan);
}

/* Pulsing Badge */
.pulse-badge {
  position: relative;
}
.pulse-badge::before {
  content: '';
  position: absolute;
  top: -2px; right: -2px; bottom: -2px; left: -2px;
  border-radius: inherit;
  background: linear-gradient(90deg, #06b6d4, #3b82f6);
  z-index: -1;
  opacity: 0.6;
  filter: blur(6px);
  animation: pulseGlow 3s infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.3; filter: blur(4px); }
  100% { opacity: 0.8; filter: blur(8px); }
}

/* SEO Schema hidden container */
.seo-structured-data {
  display: none;
}

#theme-toggle-btn, #theme-toggle-icon, #theme-toggle-btn-mobile {
  display: none !important;
  visibility: hidden !important;
}