/* Custom CSS Extensions for LK 2 PPG Portfolio */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,400&display=swap');

:root {
  --navy-dark: #0f172a;
  --navy-primary: #1e293b;
  --navy-accent: #0284c7;
  --slate-subtle: #f1f5f9;
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Playfair Display', serif;
}

body {
  font-family: var(--font-main);
  background-color: #f8fafc;
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-serif-title {
  font-family: var(--font-serif);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Glassmorphism Classes */
.glass-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.glass-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.08), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
  border-color: #cbd5e1;
}

/* Subtle Animated Background Grid */
.hero-pattern {
  background-color: #0f172a;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px), radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
}

/* 4C Badge Gradients */
.badge-connection {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.badge-challenge {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.badge-concept {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.badge-change {
  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
  color: #7e22ce;
  border: 1px solid #e9d5ff;
}

/* Modal Smooth Animations */
#reflectionModal {
  transition: opacity 0.25s ease-out, visibility 0.25s ease-out;
}

#reflectionModal.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#reflectionModal:not(.hidden) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#modalContainer {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

#reflectionModal.hidden #modalContainer {
  transform: scale(0.95) translateY(12px);
  opacity: 0;
}

#reflectionModal:not(.hidden) #modalContainer {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Tab Active State */
.modal-tab-btn.active {
  color: #0f172a;
  border-bottom-color: #0284c7;
  font-weight: 600;
}

.modal-tab-btn {
  color: #64748b;
  border-bottom-color: transparent;
}