:root {
  --bg-color: #03030c;
  --card-bg: rgba(168, 85, 247, 0.03); /* Highly transparent purple-tinted glass */
  --card-border: rgba(255, 255, 255, 0.08);
  --purple-accent: #a855f7;
  --magenta-accent: #f43f5e;
  --cyan-accent: #00d2ff;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
}

/* 3D Canvas Layer */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: all;
}

/* Container */
.app-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 50px 20px;
}

/* Header Banner */
header.profile-header {
  text-align: center;
  padding: 30px 20px;
  margin-bottom: 20px;
}

header.profile-header h1 {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.75px;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 60%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

header.profile-header .tagline {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--magenta-accent);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

header.profile-header .meta-info {
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* Social Buttons */
.links-bar {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.btn-link {
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.25);
  padding: 10px 22px;
  border-radius: 30px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-link:hover {
  background: var(--magenta-accent);
  border-color: var(--magenta-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(244, 63, 94, 0.3);
}

/* Premium Awwwards Glass Cards */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 35px;
  margin-bottom: 35px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 
              inset 0 1px 1px rgba(255, 255, 255, 0.05);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.glass-card:hover {
  border-color: rgba(168, 85, 247, 0.4);
  box-shadow: 0 25px 60px rgba(168, 85, 247, 0.1), 
              inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

/* Columns */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
}

@media (max-width: 768px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

/* Sections */
h2.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--text-main);
  border-left: 3px solid var(--purple-accent);
  padding-left: 12px;
  letter-spacing: 0.5px;
}

h3.card-subtitle {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--magenta-accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Lists */
ul.telemetry-list {
  list-style: none;
}

ul.telemetry-list li {
  margin-bottom: 12px;
  padding-left: 22px;
  position: relative;
  font-size: 0.95rem;
  color: #e2e8f0;
}

ul.telemetry-list li::before {
  content: "▪";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--purple-accent);
  font-size: 0.9rem;
}

/* Visualizer Embedding Containers */
.svg-embed-container {
  width: 100%;
  background: rgba(3, 3, 12, 0.35);
  border-radius: 14px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
  perspective: 1000px;
}

.svg-embed-container:hover {
  transform: translateY(-4px) scale(1.02) rotateX(1.5deg) rotateY(-1.5deg);
  border-color: var(--cyan-accent);
  box-shadow: 0 15px 35px rgba(0, 210, 255, 0.12),
              0 0 20px rgba(0, 210, 255, 0.04);
}

.svg-embed-container::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(0, 210, 255, 0.02) 10%,
    rgba(0, 210, 255, 0.08) 50%,
    rgba(0, 210, 255, 0.02) 90%,
    transparent 100%
  );
  pointer-events: none;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.svg-embed-container:hover::after {
  opacity: 1;
  animation: scanline 2.5s linear infinite;
}

@keyframes scanline {
  0% {
    top: -100%;
  }
  100% {
    top: 100%;
  }
}

.svg-embed-container img, 
.svg-embed-container object {
  width: 100%;
  height: auto;
  max-height: 420px;
}


/* Graphs Layout */
.flex-charts {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

.flex-charts > div {
  flex: 1 1 45%;
  min-width: 300px;
}

.lang-chart-container {
  text-align: center;
}

.lang-chart-container img {
  max-width: 500px;
  width: 100%;
}

.footer-bar {
  text-align: center;
  padding: 50px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bar a {
  color: var(--cyan-accent);
  text-decoration: none;
}

.footer-bar a:hover {
  text-decoration: underline;
}

/* Quadrant Column Styling & Animation */
.grid-quadrant {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.grid-quadrant:hover {
  background: rgba(168, 85, 247, 0.04);
  border-color: rgba(168, 85, 247, 0.35);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(168, 85, 247, 0.12), 
              0 0 0 1px rgba(168, 85, 247, 0.1);
}

/* List Item Hover Micro-Animations */
ul.telemetry-list li {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s ease;
}

ul.telemetry-list li:hover {
  transform: translateX(4px);
  color: #ffffff;
}

/* Tech Badges Hover Zoom and Glow */
.telemetry-list img {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
  cursor: pointer;
}

.telemetry-list img:hover {
  transform: scale(1.1) translateY(-2px);
  filter: drop-shadow(0 0 6px var(--purple-accent));
}

/* Control Panel and Buttons */
.control-panel {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 15px;
}

.control-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 20px;
  border-radius: 20px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.control-btn:hover {
  background: rgba(168, 85, 247, 0.08);
  border-color: var(--purple-accent);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.15);
}

/* Color Coded Quadrants for Telemetry */
.quadrant-trajectory {
  border-color: rgba(168, 85, 247, 0.15);
}
.quadrant-trajectory:hover {
  border-color: var(--purple-accent) !important;
  box-shadow: 0 15px 35px rgba(168, 85, 247, 0.15) !important;
}

.quadrant-hardware {
  border-color: rgba(0, 210, 255, 0.15);
}
.quadrant-hardware:hover {
  border-color: var(--cyan-accent) !important;
  box-shadow: 0 15px 35px rgba(0, 210, 255, 0.15) !important;
}

.quadrant-victories {
  border-color: rgba(251, 191, 36, 0.15);
}
.quadrant-victories:hover {
  border-color: #fbbf24 !important;
  box-shadow: 0 15px 35px rgba(251, 191, 36, 0.15) !important;
}

.quadrant-software {
  border-color: rgba(244, 63, 94, 0.15);
}
.quadrant-software:hover {
  border-color: var(--magenta-accent) !important;
  box-shadow: 0 15px 35px rgba(244, 63, 94, 0.15) !important;
}

/* CUDA Thread Grid Cells styling */
.cuda-cell {
  width: 100%;
  padding-bottom: 100%;
  background-color: #1e293b;
  border-radius: 2px;
  transition: background-color 0.1s ease, box-shadow 0.1s ease;
}

.cuda-cell.active {
  background-color: var(--purple-accent);
  box-shadow: 0 0 6px var(--purple-accent);
}

.cuda-cell.sync {
  background-color: var(--cyan-accent);
  box-shadow: 0 0 6px var(--cyan-accent);
}

.cuda-cell.done {
  background-color: #10b981;
  box-shadow: 0 0 6px #10b981;
}