/* Custom Design System & Interactive Enhancements for Martina Brina'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-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Dark Mode Default Theme (Slate Navy & Tech Cyan) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(6, 182, 212, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  
  --glow-color: rgba(6, 182, 212, 0.2);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

html.light {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-highlight: rgba(6, 182, 212, 0.5);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --glow-color: rgba(6, 182, 212, 0.12);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-panel:hover {
  border-color: var(--border-highlight);
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -15px var(--glow-color);
}

/* Gradient Texts */
.gradient-text-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 50%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-purple {
  background: linear-gradient(135deg, #a855f7 0%, #6366f1 50%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero Glow Background */
.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(59, 130, 246, 0.08) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #06b6d4;
}

/* Video Player Enhancements */
.video-wrapper {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-highlight);
  background: #000;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-controls-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity 0.25s ease-in-out;
}

.video-wrapper:hover .video-controls-overlay,
.video-wrapper:focus-within .video-controls-overlay {
  opacity: 1;
}

.video-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.video-btn:hover {
  background: #06b6d4;
  color: #0b0f19;
  transform: scale(1.08);
}

/* Floating Card Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

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

.animate-float-delayed {
  animation: float 6s ease-in-out 1.5s infinite;
}

/* Pulse Glow */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.03); }
}

.glow-pill {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* Timeline Components */
.timeline-stem {
  position: absolute;
  left: 24px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, #06b6d4 0%, #3b82f6 50%, #6366f1 100%);
}

@media (min-width: 768px) {
  .timeline-stem-center {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* Interactive Modals */
.modal-backdrop {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-content {
  transform: scale(1) translateY(0);
}

/* Category Filter Active Pill */
.filter-btn.active {
  background: linear-gradient(135deg, #06b6d4, #2563eb);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.35);
}

/* Skill Progress Bars */
.skill-bar-fill {
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Badge tags */
.badge-tech {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

html.light .badge-tech {
  background: rgba(6, 182, 212, 0.12);
  color: #0284c7;
  border-color: rgba(6, 182, 212, 0.3);
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  .no-print {
    display: none !important;
  }
}