/* ==========================================================================
   Amin Ahmed G - Robotics Software Engineer Portfolio Style Sheet
   ========================================================================== */

/* Design System Variables */
:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #101524;
  --bg-tertiary: #161e33;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Cyber Accents */
  --accent-cyan: #00f2fe;
  --accent-blue: #0072ff;
  --accent-green: #00ff87;
  --accent-glow: rgba(0, 242, 254, 0.15);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  
  /* Layout */
  --navbar-height: 70px;
  --border-radius: 12px;
  --transition-speed: 0.3s;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Base Monospace Font for Tech Data */
code, pre, .terminal-window, .prompt, .stat-value, .coursework strong, .badge, .project-tech span, .timeline-date {
  font-family: 'Geist Mono', monospace;
}

/* Lidar Background Canvas */
#lidar-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}

/* Reusable Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

h2.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

h2.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 20%;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 1.8rem auto;
  font-size: 1.05rem;
}

/* Helper Elements */
a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover {
  color: #fff;
}

.text-green {
  color: var(--accent-green) !important;
}

/* Button UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1);
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  border: none;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.7);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-preset {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: 6px;
}

.btn-preset.active {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Sticky Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  background: rgba(10, 13, 20, 0.75);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition-speed);
}

.nav-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.logo-icon {
  color: var(--accent-cyan);
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-cyan);
  transition: width var(--transition-speed);
}

.nav-link.active::after, .nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-speed);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--navbar-height) + 2rem);
  padding-bottom: 2rem;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(0, 255, 135, 0.7);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 255, 135, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(0, 255, 135, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 255, 135, 0);
  }
}

.tagline {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
  line-height: 1.3;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
}

/* Interactive Terminal Style */
.hero-terminal {
  display: flex;
  justify-content: center;
}

.terminal-window {
  width: 100%;
  max-width: 480px;
  background: rgba(8, 10, 16, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px var(--accent-glow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--transition-speed);
}

.terminal-window:focus-within {
  border-color: rgba(0, 242, 254, 0.4);
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
}

.window-buttons {
  display: flex;
  gap: 6px;
}

.win-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.win-btn.close { background-color: #ff5f56; }
.win-btn.minimize { background-color: #ffbd2e; }
.win-btn.maximize { background-color: #27c93f; }

.terminal-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-status {
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: bold;
}

.terminal-body {
  padding: 1.2rem;
  height: 250px;
  overflow-y: auto;
  font-size: 0.85rem;
  color: #25ef25;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.terminal-body .cmd-out {
  color: #fff;
  white-space: pre-wrap;
}

.terminal-body .cmd-error {
  color: #ff5f56;
}

.terminal-body .cmd-prompt {
  color: var(--accent-cyan);
}

.terminal-input-line {
  display: flex;
  align-items: center;
  padding: 0.5rem 1.2rem;
  background: rgba(255, 255, 255, 0.01);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.terminal-input-line .prompt {
  color: var(--accent-cyan);
  margin-right: 0.5rem;
  font-size: 0.85rem;
}

#terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: 'Geist Mono', monospace;
  font-size: 0.85rem;
}

.terminal-presets {
  display: flex;
  justify-content: flex-start;
  padding: 0.6rem 1.2rem;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.preset-cmd-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: 'Geist Mono', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.preset-cmd-btn:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Sections Base Styling */
section {
  padding: 3.5rem 0;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* About Section Styles */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.about-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s;
}

.about-image-wrapper:hover .about-image {
  transform: scale(1.03);
}

.image-overlay-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent-cyan);
  border-radius: var(--border-radius);
  pointer-events: none;
  opacity: 0.3;
  transition: opacity var(--transition-speed);
}

.about-image-wrapper:hover .image-overlay-border {
  opacity: 0.8;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
  color: #fff;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

.education-card {
  display: flex;
  gap: 1.2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}

.education-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-blue));
}

.edu-icon {
  font-size: 2rem;
  color: var(--accent-cyan);
  margin-top: 0.2rem;
}

.edu-details h4 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.3rem;
}

.edu-details .school {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  margin-bottom: 0.8rem;
}

.edu-details .coursework {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-top: 1rem;
}

@media (max-width: 820px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

.skill-card {
  background: rgba(16, 21, 36, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.15rem 1.15rem;
  transition: all var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 242, 254, 0.05);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.skill-header i {
  font-size: 1.2rem;
  color: var(--accent-cyan);
}

.skill-header h3 {
  font-size: 1.1rem;
  color: #fff;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.skill-list li {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  padding: 0.35rem 0.4rem;
  border-radius: 6px;
  transition: all 0.25s ease;
  cursor: pointer;
  min-width: 0;
}

.skill-list li:hover {
  background: rgba(0, 242, 254, 0.06);
  color: #fff;
}

.skill-name-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}

.skill-name-wrap span {
  line-height: 1.35;
  min-width: 0;
  overflow-wrap: break-word;
}

.skill-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.12), rgba(100, 100, 255, 0.08));
  border: 1px solid rgba(0, 242, 254, 0.2);
  flex-shrink: 0;
  align-self: center;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.skill-icon {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease, color 0.3s ease;
  line-height: 1;
}

.skill-list li:hover .skill-icon-wrap {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.22), rgba(100, 200, 255, 0.15));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.35), 0 4px 15px rgba(0, 0, 0, 0.4);
  transform: scale(1.12) rotate(-4deg);
}

.skill-list li:hover .skill-icon {
  color: #ffffff;
  transform: scale(1.1);
}

.skill-level {
  font-size: 0.72rem;
  font-weight: bold;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
  white-space: nowrap;
}

.skill-list li:hover .skill-level {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
}

/* Tooltip Popup Bubble */
.skill-list li[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px) scale(0.9);
  opacity: 0;
  pointer-events: none;
  background: #0f172a;
  border: 1px solid var(--accent-cyan);
  color: #fff;
  font-size: 0.75rem;
  font-family: 'Geist Mono', monospace;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 242, 254, 0.2);
  z-index: 100;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-list li[data-tooltip]::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(2px);
  opacity: 0;
  pointer-events: none;
  border: 5px solid transparent;
  border-top-color: var(--accent-cyan);
  z-index: 100;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-list li[data-tooltip]:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(-10px) scale(1);
}

.skill-list li[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

/* PID Simulator Layout */
.pid-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: flex-start;
  margin-top: 1rem;
}

.pid-canvas-container {
  background: #07090e;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.pid-canvas-header {
  padding: 0.8rem 1.2rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
  font-family: 'Geist Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-indicator.live {
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: beacon 1.5s infinite;
}

@keyframes beacon {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

#pid-canvas {
  width: 100%;
  height: auto;
  display: block;
  background: #090c13;
}

.pid-graph-container {
  border-top: 1px solid var(--border-color);
  background: #06080c;
  padding: 0.8rem 1.2rem 1.2rem 1.2rem;
}

.graph-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

#pid-graph {
  width: 100%;
  height: auto;
  display: block;
  background: #05070a;
}

.pid-controls-card {
  background: rgba(16, 21, 36, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2.2rem;
}

.pid-controls-card h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.controls-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.control-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  align-items: center;
}

.preset-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-right: 0.2rem;
}

.slider-group {
  margin-bottom: 1.6rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.slider-header span {
  font-weight: bold;
  color: var(--accent-cyan);
}

.slider-group input[type="range"] {
  width: 100%;
  height: 5px;
  border-radius: 5px;
  background: var(--bg-tertiary);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-cyan);
  transition: transform 0.1s;
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.simulation-stats {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.03);
  padding: 1.2rem;
  border-radius: 8px;
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.stat-label {
  color: var(--text-muted);
}

.stat-value {
  color: #fff;
  font-weight: bold;
}

.pid-actions {
  display: flex;
  gap: 1rem;
}

.pid-actions .btn {
  flex: 1;
}

/* Projects Section Styles */
.projects-section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-label-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.25), transparent);
}

.section-label-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  white-space: nowrap;
  opacity: 0.8;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.8rem;
  align-items: stretch;
}

/* Secondary / Supporting Projects Dense Grid */
.secondary-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

@media (min-width: 1024px) {
  .secondary-projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.secondary-projects-grid .project-info {
  padding: 1.35rem 1.25rem;
}

.secondary-projects-grid .project-info h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.secondary-projects-grid .project-desc {
  font-size: 0.86rem;
  line-height: 1.45;
  margin-bottom: 1rem;
}

.secondary-projects-grid .project-tech {
  margin-bottom: 1.1rem;
  gap: 0.35rem;
}

.secondary-projects-grid .project-tech span {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
}

.project-card {
  background: rgba(16, 21, 36, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(10px);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(0, 242, 254, 0.1);
}

/* Featured project card — spans full width with amber glow */
.featured-card {
  grid-column: 1 / -1;
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.12);
  flex-direction: row;
}

.featured-card .project-video-container {
  min-width: 50%;
  max-width: 50%;
}

.featured-card:hover {
  border-color: rgba(245, 158, 11, 0.8);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 40px rgba(245, 158, 11, 0.2);
}

@media (max-width: 768px) {
  .featured-card {
    flex-direction: column;
  }
  .featured-card .project-video-container {
    min-width: 100%;
    max-width: 100%;
  }
}

.project-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 0.7rem;
  font-weight: bold;
  font-family: 'Geist Mono', monospace;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
}

.project-info {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-info h3 {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 0.8rem;
  padding-right: 4rem; /* keep title clear of badge */
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}

.project-tech span {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.project-link:hover {
  text-decoration: underline;
}

.project-link-inactive {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Experience Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 2rem auto 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background: var(--border-color);
  top: 0;
  bottom: 0;
  left: 30px;
}

.timeline-item {
  padding: 1rem 0 1rem 4rem;
  position: relative;
}

.timeline-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  left: 24px;
  top: 1.4rem;
  z-index: 2;
  box-shadow: 0 0 10px var(--accent-cyan);
  transition: transform var(--transition-speed);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  background: var(--accent-cyan);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: bold;
  margin-bottom: 0.4rem;
}

.timeline-content {
  background: rgba(16, 21, 36, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 1.8rem;
  border-radius: var(--border-radius);
  transition: border-color var(--transition-speed);
}

.timeline-item:hover .timeline-content {
  border-color: rgba(0, 242, 254, 0.2);
}

.timeline-content h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.timeline-content .role {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  margin-top: 1rem;
}

.contact-info-panel {
  background: rgba(16, 21, 36, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
}

.contact-info-panel h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.8rem;
}

.contact-info-panel p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2.2rem;
}

.info-details {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  flex: 1;
}

.info-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.info-item i {
  font-size: 1.3rem;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
  border: 1px solid rgba(0, 242, 254, 0.15);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.info-item h4 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.info-item p, .info-item a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.info-item a:hover {
  color: var(--accent-cyan);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-speed);
}

.social-links a:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
}

.contact-form-panel {
  background: rgba(16, 21, 36, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: var(--border-radius);
}

.contact-form-panel h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input, .form-group textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  outline: none;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-speed);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: rgba(0, 242, 254, 0.4);
}

.form-response {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
  padding: 0.6rem;
  border-radius: 6px;
}

.form-response.success {
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.2);
  color: var(--accent-green);
  display: block;
}

.form-response.error {
  background: rgba(255, 95, 86, 0.08);
  border: 1px solid rgba(255, 95, 86, 0.2);
  color: #ff5f56;
  display: block;
}

/* Footer styling */
.footer {
  background: #06080c;
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  text-align: center;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-subtext {
  color: var(--text-muted) !important;
  font-size: 0.8rem !important;
  margin-top: 0.5rem;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
    padding-top: 2rem;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .about-image-wrapper {
    max-width: 480px;
    margin: 0 auto;
  }
  
  .pid-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--navbar-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--navbar-height));
    background: rgba(10, 13, 20, 0.95);
    backdrop-filter: blur(15px);
    flex-direction: column;
    align-items: center;
    padding: 3rem 0;
    gap: 2rem;
    transition: left var(--transition-speed) ease-in-out;
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  .pid-actions {
    flex-direction: column;
  }
  
  .timeline::after {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 3rem;
  }
  
  .timeline-dot {
    left: 14px;
  }
}

/* ==========================================================================
   Scroll-Driven Animations & Reveal Transitions
   ========================================================================== */

/* Native CSS Scroll Reveal in supported browsers */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes fade-reveal {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .scroll-reveal {
      animation: fade-reveal auto linear both;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
    }
  }
}

/* Fallback class for non-supported browsers or manual trigger */
.scroll-reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-reveal.reveal-hidden {
  opacity: 0;
  transform: translateY(30px);
}

/* Project Card Video Player Styling */
.project-video-container,
.project-image-container {
  width: 100%;
  height: 200px;
  max-height: 200px;
  flex-shrink: 0;
  position: relative;
  background: #090d16;
  border-bottom: 1px solid var(--border-color);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.project-video-container video,
.project-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s ease, filter 0.3s ease;
}

.project-card:hover .project-image-container img,
.project-card:hover .project-video-container video {
  transform: scale(1.04);
  filter: brightness(1.08);
}

/* ─── GitHub Activity Section (Robotics & HR Tailored) ───── */
.github-section {
  padding: 3.5rem 0;
  position: relative;
}

.hud-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  font-family: 'Geist Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #39d353;
  box-shadow: 0 0 10px #39d353;
  animation: pulse-glow 1.5s infinite alternate;
}

@keyframes pulse-glow {
  from { opacity: 0.4; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1.2); }
}

.hr-capability-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.cap-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(16, 21, 36, 0.65);
  border: 1px solid rgba(0, 242, 254, 0.18);
  border-radius: var(--border-radius);
  padding: 1.2rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.cap-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.12);
}

.cap-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.cap-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.cap-text p {
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-family: 'Geist Mono', monospace;
  margin: 0;
}

.github-graph-wrap {
  width: 100%;
  min-width: 0;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 242, 254, 0.22);
  margin-bottom: 2.5rem;
  background: #0d1117;
  padding: 1.8rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 242, 254, 0.06);
}

.hud-table-top {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.2rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: 'Geist Mono', monospace;
  font-size: 0.78rem;
}

.hud-table-title {
  color: var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.hud-table-stat {
  color: #39d353;
  font-weight: 600;
  background: rgba(57, 211, 83, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  border: 1px solid rgba(57, 211, 83, 0.25);
}

.github-calendar-container {
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: visible;
  display: block;
  padding: 1rem 0.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 242, 254, 0.2) transparent;
}

.ContributionCalendar-grid {
  border-collapse: separate !important;
  border-spacing: 4px !important;
  margin: 0 auto !important;
  width: max-content;
}

.ContributionCalendar-day, td.ContributionCalendar-day, rect.ContributionCalendar-day {
  width: 13px !important;
  height: 13px !important;
  border-radius: 3px !important;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s ease !important;
}

.ContributionCalendar-day:hover, td.ContributionCalendar-day:hover, rect.ContributionCalendar-day:hover {
  transform: scale(1.4) !important;
  z-index: 20;
  box-shadow: 0 0 12px var(--accent-cyan) !important;
}

.ContributionCalendar-day[data-level="0"] { background-color: #161b22 !important; fill: #161b22; outline: 1px solid rgba(0, 242, 254, 0.08); }
.ContributionCalendar-day[data-level="1"] { background-color: #0e4429 !important; fill: #0e4429; }
.ContributionCalendar-day[data-level="2"] { background-color: #006d32 !important; fill: #006d32; }
.ContributionCalendar-day[data-level="3"] { background-color: #26a641 !important; fill: #26a641; box-shadow: 0 0 6px rgba(38, 166, 65, 0.6); }
.ContributionCalendar-day[data-level="4"] { background-color: #00f2fe !important; fill: #00f2fe; box-shadow: 0 0 10px #00f2fe, 0 0 18px rgba(0, 242, 254, 0.4); }

.ContributionCalendar-label {
  color: var(--accent-cyan);
  font-size: 0.76rem;
  font-family: 'Geist Mono', monospace;
  padding-bottom: 6px;
  font-weight: 600;
}

td.ContributionCalendar-label {
  width: 32px !important;
  min-width: 32px !important;
  padding: 0 6px 0 0 !important;
  position: relative !important;
  vertical-align: middle !important;
  font-family: 'Geist Mono', monospace;
  font-size: 0.72rem;
  color: #8b949e;
  font-weight: 500;
}

td.ContributionCalendar-label span[aria-hidden="true"] {
  font-size: 0.70rem;
  color: #8b949e;
  letter-spacing: 0.5px;
}

.github-calendar-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 1.5rem;
  font-size: 0.78rem;
  color: #8b949e;
  font-family: 'Geist Mono', monospace;
}

.legend-sq {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  display: inline-block;
}
.legend-sq.sq-0 { background-color: #161b22; outline: 1px solid rgba(0, 242, 254, 0.08); }
.legend-sq.sq-1 { background-color: #0e4429; }
.legend-sq.sq-2 { background-color: #006d32; }
.legend-sq.sq-3 { background-color: #26a641; box-shadow: 0 0 6px rgba(38, 166, 65, 0.6); }
.legend-sq.sq-4 { background-color: #00f2fe; box-shadow: 0 0 10px #00f2fe; }

.github-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.gh-stat-box {
  background: rgba(16, 21, 36, 0.65);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.6rem 1.2rem;
  text-align: center;
  transition: all var(--transition-speed) ease;
  backdrop-filter: blur(10px);
}

.gh-stat-box.gh-stat-highlight {
  border-color: rgba(0, 242, 254, 0.4);
  background: rgba(0, 242, 254, 0.04);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.08);
}

.gh-stat-box:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 25px rgba(0, 242, 254, 0.15);
}

.gh-stat-icon {
  font-size: 1.8rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.gh-stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.1;
}

.gh-stat-lbl {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.4rem;
}

.gh-stat-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: 'Geist Mono', monospace;
  margin-top: 0.2rem;
}

/* ==========================================================================
   Interactive Reachable Phone & Contact Enhancements
   ========================================================================== */

.info-details {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.info-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  background: rgba(16, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 1.2rem;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.info-item.phone-interactive-card {
  background: linear-gradient(135deg, rgba(16, 23, 42, 0.75) 0%, rgba(0, 242, 254, 0.05) 100%);
  border: 1px solid rgba(0, 242, 254, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.info-item.phone-interactive-card:hover {
  border-color: rgba(0, 242, 254, 0.6);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.18);
  transform: translateY(-2px);
}

.info-icon-wrapper {
  width: 46px;
  height: 46px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.info-item.phone-interactive-card:hover .info-icon-wrapper {
  background: var(--accent-cyan);
  color: #0b0f14;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
}

.phone-ring-icon {
  display: inline-block;
}

.info-item.phone-interactive-card:hover .phone-ring-icon {
  animation: phoneRing 0.6s ease infinite alternate;
}

@keyframes phoneRing {
  0% { transform: rotate(0deg) scale(1); }
  20% { transform: rotate(15deg) scale(1.1); }
  40% { transform: rotate(-15deg) scale(1.1); }
  60% { transform: rotate(10deg) scale(1.1); }
  80% { transform: rotate(-10deg) scale(1.1); }
  100% { transform: rotate(0deg) scale(1); }
}

.info-content-wrap {
  flex: 1;
}

.info-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.info-header-meta h4 {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 600;
  margin: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-family: 'Geist Mono', monospace;
}

.status-pill.active-status {
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.pulse-dot-green {
  width: 7px;
  height: 7px;
  background-color: #25D366;
  border-radius: 50%;
  box-shadow: 0 0 8px #25D366;
  animation: pulseGreen 1.8s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(37, 211, 102, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.phone-display-group {
  margin-bottom: 0.8rem;
}

.phone-number-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  transition: all 0.2s ease;
  display: inline-block;
}

.phone-number-link:hover {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.6);
  transform: translateX(2px);
}

.email-number-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s ease;
}

.email-number-link:hover {
  color: var(--accent-cyan);
}

.phone-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.contact-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Outfit', sans-serif;
}

.contact-action-btn.call-now-btn {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(79, 172, 254, 0.25));
  color: #ffffff;
  border: 1px solid rgba(0, 242, 254, 0.4);
}

.contact-action-btn.call-now-btn:hover {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.4), rgba(79, 172, 254, 0.5));
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
  transform: translateY(-1px);
}

.contact-action-btn.whatsapp-now-btn {
  background: rgba(37, 211, 102, 0.15);
  color: #25D366;
  border: 1px solid rgba(37, 211, 102, 0.35);
}

.contact-action-btn.whatsapp-now-btn:hover {
  background: rgba(37, 211, 102, 0.3);
  color: #ffffff;
  border-color: #25D366;
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.4);
  transform: translateY(-1px);
}

.contact-action-btn.mail-now-btn {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.contact-action-btn.mail-now-btn:hover {
  background: rgba(168, 85, 247, 0.3);
  color: #ffffff;
  border-color: #c084fc;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
  transform: translateY(-1px);
}

.contact-action-btn.copy-num-btn {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-action-btn.copy-num-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-action-btn.copied-active {
  background: rgba(34, 197, 94, 0.25) !important;
  color: #4ade80 !important;
  border-color: #22c55e !important;
}

/* Floating Quick Contact Widget */
.floating-contact-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

.floating-contact-trigger {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f2fe, #4facfe);
  border: none;
  color: #0b0f14;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
  position: relative;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  outline: none;
}

.floating-contact-trigger:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.6);
}

.floating-icon-close {
  display: none;
  font-size: 1.3rem;
}

.floating-contact-widget.active .floating-icon-phone {
  display: none;
}

.floating-contact-widget.active .floating-icon-close {
  display: block;
}

.floating-contact-widget.active .floating-contact-trigger {
  background: #1e293b;
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.floating-pulse-ring {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 2px solid #00f2fe;
  animation: floatPulse 2s infinite;
  pointer-events: none;
}

@keyframes floatPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.35); opacity: 0; }
}

.floating-contact-menu {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 250px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: 16px;
  padding: 0.8rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.15);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px) scale(0.95);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: bottom right;
}

.floating-contact-widget.active .floating-contact-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.floating-menu-header {
  font-size: 0.72rem;
  font-family: 'Geist Mono', monospace;
  color: var(--text-secondary);
  padding: 0.3rem 0.5rem 0.5rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.floating-menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  text-decoration: none;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.floating-menu-item i {
  font-size: 1.1rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
}

.float-call-btn i {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
}

.float-wa-btn i {
  background: rgba(37, 211, 102, 0.15);
  color: #25D366;
}

.float-copy-btn i {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.float-item-text {
  display: flex;
  flex-direction: column;
}

.float-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
}

.float-subtitle {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.floating-menu-item:hover {
  background: rgba(0, 242, 254, 0.12);
  border-color: rgba(0, 242, 254, 0.3);
  transform: translateX(-3px);
}

.float-wa-btn:hover {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.4);
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast-msg {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 242, 254, 0.4);
  color: #ffffff;
  padding: 0.75rem 1.2rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards, toastOut 0.3s ease 2.7s forwards;
  pointer-events: auto;
}

.toast-msg i {
  color: var(--accent-cyan);
  font-size: 1rem;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-10px); }
}



/* ==========================================================================
   ENHANCEMENTS � Detail Panel System
   ========================================================================== */

#detail-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 13, 20, 0.7);
  backdrop-filter: blur(4px);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
#detail-backdrop.active {
  opacity: 1;
  pointer-events: all;
}

#detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(480px, 100vw);
  height: 100dvh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-glow);
  z-index: 901;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  outline: none;
}
#detail-panel.open { transform: translateX(0); }

.detail-panel-inner { padding: 2rem 1.75rem 3rem; position: relative; }

.detail-close-btn {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glow);
  color: var(--accent-cyan);
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background 0.2s, box-shadow 0.2s;
}
.detail-close-btn:hover { background: rgba(0,242,254,0.18); box-shadow: 0 0 12px rgba(0,242,254,0.3); }

body.panel-open { overflow: hidden; }

.panel-category-badge {
  display: inline-block;
  font-family: 'Geist Mono', monospace;
  font-size: 0.65rem; letter-spacing: 0.12em;
  color: var(--accent-cyan);
  border: 1px solid rgba(0,242,254,0.3);
  border-radius: 4px; padding: 2px 8px; margin-bottom: 0.75rem;
}
.project-badge-label { color: var(--accent-green); border-color: rgba(0,255,135,0.3); }

.panel-title { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; line-height: 1.3; }
.panel-summary { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.25rem; line-height: 1.6; }

.panel-level-badge { display: inline-block; font-family: 'Geist Mono', monospace; font-size: 0.7rem; padding: 3px 10px; border-radius: 20px; margin-bottom: 1.5rem; }
.panel-level-badge.level-intermediate { background: rgba(0,114,255,0.15); color: #60a5fa; border: 1px solid rgba(0,114,255,0.3); }
.panel-level-badge.level-familiar { background: rgba(148,163,184,0.1); color: var(--text-secondary); border: 1px solid rgba(148,163,184,0.2); }

.panel-section { margin-bottom: 1.5rem; padding: 1rem; background: rgba(16,21,36,0.6); border: 1px solid var(--border-color); border-radius: 8px; }
.panel-section-title { font-size: 0.78rem; font-family: 'Geist Mono', monospace; color: var(--accent-cyan); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.6rem; display: flex; align-items: center; gap: 0.5rem; }
.panel-body-text { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }
.panel-example-box { border-color: rgba(0,242,254,0.2); }
.panel-broke-box { border-color: rgba(249,115,22,0.25); background: rgba(249,115,22,0.05); }
.panel-broke-box .panel-section-title { color: #fb923c; }
.panel-muted { color: var(--text-muted); font-style: italic; }

.panel-tags-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.25rem; }
.panel-tag { background: rgba(0,242,254,0.07); border: 1px solid rgba(0,242,254,0.2); color: var(--accent-cyan); font-family: 'Geist Mono', monospace; font-size: 0.72rem; padding: 3px 10px; border-radius: 4px; cursor: pointer; transition: background 0.2s, box-shadow 0.2s; }
.panel-tag.project-tag { color: var(--accent-green); border-color: rgba(0,255,135,0.2); background: rgba(0,255,135,0.06); }
.panel-tag:hover { background: rgba(0,242,254,0.15); box-shadow: 0 0 8px rgba(0,242,254,0.2); }

.panel-actions { margin-top: 1.5rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }
.panel-action-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1.1rem; border-radius: 6px; font-size: 0.85rem; font-family: 'Geist Mono', monospace; background: rgba(0,242,254,0.08); border: 1px solid var(--border-glow); color: var(--accent-cyan); text-decoration: none; transition: background 0.2s, box-shadow 0.2s; }
.panel-action-btn:hover { background: rgba(0,242,254,0.16); box-shadow: 0 0 14px rgba(0,242,254,0.25); }

/* ==========================================================================
   ENHANCEMENTS � Project Debug Drawer + Card Tilt
   ========================================================================== */

.project-card { transition: transform 0.15s ease, box-shadow 0.2s ease; will-change: transform; position: relative; overflow: hidden; }

.project-debug-drawer {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(10,13,20,0.97) 0%, rgba(16,21,36,0.95) 100%);
  border-top: 1px solid rgba(249,115,22,0.35);
  padding: 1rem 1.25rem 1.1rem;
  transform: translateY(100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 5;
}
.project-card.drawer-open .project-debug-drawer,
.project-card:hover .project-debug-drawer { transform: translateY(0); }

.drawer-broke-label { font-family: 'Geist Mono', monospace; font-size: 0.65rem; color: #fb923c; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.3rem; display: flex; align-items: center; gap: 0.4rem; }
.drawer-broke-label::before { content: '?'; font-size: 0.55rem; }
.drawer-broke-text { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.55; margin-bottom: 0.65rem; }
.drawer-detail-link { font-family: 'Geist Mono', monospace; font-size: 0.7rem; color: var(--accent-cyan); text-decoration: none; cursor: pointer; border: none; background: none; padding: 0; opacity: 0.8; transition: opacity 0.2s; }
.drawer-detail-link:hover { opacity: 1; text-decoration: underline; }

.skill-clickable, .project-clickable { cursor: pointer; }
.skill-clickable li:hover .skill-name-wrap span { color: var(--accent-cyan); }

/* ==========================================================================
   ENHANCEMENTS � Skill Progress Bars
   ========================================================================== */

.skill-bar-wrap { width: 100%; height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.skill-bar-fill { height: 100%; width: 0; border-radius: 2px; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue)); transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 0 6px rgba(0,242,254,0.4); }

/* ==========================================================================
   ENHANCEMENTS � FSM Visualizer Panel
   ========================================================================== */

.pid-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; }
.pid-tab-btn { font-family: 'Geist Mono', monospace; font-size: 0.8rem; padding: 0.45rem 1.1rem; border-radius: 6px; border: 1px solid var(--border-color); background: transparent; color: var(--text-secondary); cursor: pointer; transition: all 0.2s; }
.pid-tab-btn.active { background: rgba(0,242,254,0.1); border-color: var(--border-glow); color: var(--accent-cyan); box-shadow: 0 0 10px rgba(0,242,254,0.15); }
.pid-tab-panel { display: none; }
.pid-tab-panel.active { display: block; }

.fsm-layout { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: start; }
#fsm-svg { width: 100%; max-width: 640px; height: 340px; display: block; overflow: visible; }
.fsm-circle { fill: var(--bg-tertiary); stroke: rgba(0,242,254,0.35); stroke-width: 1.5; transition: stroke 0.3s, fill 0.3s, filter 0.3s; }
.fsm-error { stroke: rgba(249,115,22,0.5); }
.fsm-node.fsm-active .fsm-circle { stroke: var(--accent-cyan); stroke-width: 2.5; fill: rgba(0,242,254,0.1); filter: drop-shadow(0 0 8px rgba(0,242,254,0.5)); }
.fsm-label { fill: var(--text-secondary); font-family: 'Geist Mono', monospace; font-size: 9px; text-anchor: middle; dominant-baseline: middle; pointer-events: none; }
.fsm-node.fsm-active .fsm-label { fill: var(--accent-cyan); }
.fsm-path { stroke: rgba(0,242,254,0.25); stroke-width: 1.2; transition: stroke 0.2s; }
.fsm-edge-active .fsm-path { stroke: var(--accent-cyan); stroke-width: 2; filter: drop-shadow(0 0 4px rgba(0,242,254,0.6)); }
.fsm-edge-label { fill: var(--text-muted); font-family: 'Geist Mono', monospace; font-size: 7px; text-anchor: middle; }
.fsm-node, .fsm-edge { cursor: pointer; }

.fsm-controls { display: flex; gap: 0.75rem; margin-top: 1rem; flex-wrap: wrap; }
.fsm-log-wrap { margin-top: 1rem; background: rgba(10,13,20,0.8); border: 1px solid var(--border-color); border-radius: 8px; padding: 0.75rem 1rem; max-height: 120px; overflow-y: auto; }
#fsm-log { font-family: 'Geist Mono', monospace; }
.fsm-log-line { font-size: 0.72rem; color: var(--accent-green); line-height: 1.8; }
#fsm-canvas { display: block; background: rgba(10,13,20,0.6); border: 1px solid var(--border-color); border-radius: 8px; }
@media (max-width: 768px) { .fsm-layout { grid-template-columns: 1fr; } #fsm-canvas { width: 100%; } }

/* ==========================================================================
   ENHANCEMENTS � Matrix Easter Egg
   ========================================================================== */

#matrix-overlay { position: fixed; inset: 0; z-index: 9999; background: #0a0d14; cursor: pointer; }
#matrix-overlay canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.matrix-msg { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-family: 'Geist Mono', monospace; font-size: 1.5rem; color: var(--accent-green); text-shadow: 0 0 20px var(--accent-green); letter-spacing: 0.2em; animation: matrixPulse 0.5s ease-in-out infinite alternate; pointer-events: none; }
@keyframes matrixPulse { from { opacity: 0.7; } to { opacity: 1; text-shadow: 0 0 30px var(--accent-green); } }
.matrix-fade-out { animation: matrixOut 0.5s ease forwards; }
@keyframes matrixOut { to { opacity: 0; } }

/* ==========================================================================
   ENHANCEMENTS � Section Header Fade-In
   ========================================================================== */

.header-hidden { opacity: 0; transform: translateY(12px); }
.header-revealed { opacity: 1; transform: translateY(0); transition: opacity 0.4s ease-out, transform 0.4s ease-out; }

/* ==========================================================================
   ENHANCEMENTS � Button Glow
   ========================================================================== */

.btn-glow-ready.btn-primary:hover { box-shadow: 0 0 20px rgba(0,242,254,0.35), 0 4px 14px rgba(0,114,255,0.3); }
.btn-glow-ready.btn-secondary:hover { box-shadow: 0 0 14px rgba(0,242,254,0.2); }

/* ==========================================================================
   ENHANCEMENTS � Terminal cursor + typewriter
   ========================================================================== */

.typewriter-out { white-space: pre-wrap; color: var(--accent-green); }

/* ==========================================================================
   ENHANCEMENTS � Heatmap tooltip
   ========================================================================== */

tool-tip, .sr-only, [popover] { display: none !important; visibility: hidden !important; opacity: 0 !important; pointer-events: none !important; }

/* ==========================================================================
   ENHANCEMENTS � Mobile panel bottom sheet
   ========================================================================== */

@media (max-width: 600px) {
  #detail-panel { width: 100vw; border-left: none; border-top: 1px solid var(--border-glow); top: auto; bottom: 0; height: 90dvh; transform: translateY(100%); border-radius: 16px 16px 0 0; }
  #detail-panel.open { transform: translateY(0); }
}

/* ==========================================================================
   ENHANCEMENTS � Contact Link Hover
   ========================================================================== */
.contact-link:hover { color: var(--accent-cyan) !important; text-shadow: 0 0 8px rgba(0, 242, 254, 0.4); }

/* ==========================================================================
   ENHANCEMENTS � Fix Skill List Layout
   ========================================================================== */
.skill-list li {
  flex-wrap: wrap;
}

/* ==========================================================================
   ENHANCEMENTS � Brute Force Layout Fixes
   ========================================================================== */
.skill-list li {
  flex-wrap: wrap !important;
}
.skill-name-wrap, .skill-level {
  flex-shrink: 0 !important;
  white-space: nowrap !important;
}

/* ==========================================================================
   ENHANCEMENTS � Modern Contact Grid
   ========================================================================== */
.contact-buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.contact-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(16, 21, 36, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1rem;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  color: var(--text-primary);
}
.contact-btn i {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}
.contact-btn-text {
  display: flex;
  flex-direction: column;
}
.contact-btn-title {
  font-family: ''Geist Mono'', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.1rem;
}
.contact-btn-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.contact-btn:hover {
  background: rgba(0, 242, 254, 0.05);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.15);
  transform: translateY(-2px);
}