/* ============================================
   ML LAB PORTFOLIO — STYLES
   Dark theme with neon accents (blue/purple/teal)
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a1f2e;
  --bg-card-hover: #222840;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-teal: #14b8a6;
  --accent-cyan: #22d3ee;
  --accent-pink: #ec4899;
  --accent-green: #10b981;
  --border-color: #1e293b;
  --border-glow: rgba(59, 130, 246, 0.3);
  --font-mono: 'Courier New', 'Consolas', monospace;
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.3s ease;
  --glow-blue: 0 0 20px rgba(59, 130, 246, 0.15);
  --glow-purple: 0 0 20px rgba(139, 92, 246, 0.15);
  --glow-teal: 0 0 20px rgba(20, 184, 166, 0.15);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition);
}

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

img {
  max-width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 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-blue);
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 14, 23, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-teal) !important;
  letter-spacing: 1px;
}

.blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 6px;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-cyan);
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--border-glow);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#neuralCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  padding: 24px;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-teal);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.hero-name {
  font-size: clamp(2.8rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.hero-role {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero-role .separator {
  color: var(--accent-purple);
  margin: 0 4px;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(59, 130, 246, 0.4);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  background: rgba(20, 184, 166, 0.05);
}

.btn-details {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
  padding: 8px 20px;
  font-size: 0.8rem;
  width: 100%;
  justify-content: center;
  margin-top: 12px;
}

.btn-details:hover {
  background: rgba(34, 211, 238, 0.08);
  border-color: var(--accent-cyan);
}

/* Hero Terminal */
.hero-terminal {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-green);
  min-height: 28px;
}

.terminal-prompt {
  color: var(--accent-purple);
  margin-right: 8px;
}

.terminal-cursor {
  animation: blink 0.7s step-end infinite;
  color: var(--accent-teal);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: floatUp 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes floatUp {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   SECTIONS — Common
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.title-accent {
  color: var(--accent-teal);
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition);
}

.about-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-blue);
  transform: translateY(-4px);
}

.about-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(59, 130, 246, 0.05);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.file-icon {
  font-size: 1rem;
}

.file-name {
  color: var(--accent-cyan);
}

.about-card-body {
  padding: 20px;
}

.about-card-body p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.about-card-body p:last-child {
  margin-bottom: 0;
}

.about-card-body strong {
  color: var(--text-primary);
}

/* ============================================
   ML APPROACH / PIPELINE
   ============================================ */
.pipeline-container {
  max-width: 700px;
  margin: 0 auto;
}

.pipeline-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  transition: all var(--transition);
}

.pipeline-step:hover {
  border-color: var(--accent-purple);
  box-shadow: var(--glow-purple);
  transform: translateX(8px);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-purple);
  min-width: 48px;
  text-align: center;
  line-height: 1;
  padding-top: 4px;
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.step-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.pipeline-connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--accent-purple), transparent);
  margin-left: 43px;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-teal));
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-blue);
  transform: translateY(-6px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-tag.classification {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.project-tag.regression {
  background: rgba(20, 184, 166, 0.15);
  color: var(--accent-teal);
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.project-tag.nlp {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.project-tag.deeplearning {
  background: rgba(236, 72, 153, 0.15);
  color: var(--accent-pink);
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.project-tag.timeseries {
  background: rgba(34, 211, 238, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
}

.project-tag.linalg {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.project-id {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.project-tools span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-muted);
}

.project-achievement {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 10px 14px;
  background: rgba(20, 184, 166, 0.06);
  border-left: 3px solid var(--accent-teal);
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.achievement-label {
  color: var(--accent-teal);
  font-weight: 600;
}

/* --- Pipeline Diagram (in-card) --- */
.pipeline-diagram {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 0;
  overflow-x: auto;
  margin-bottom: 8px;
}

.pipe-node {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-align: center;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  min-width: 60px;
  white-space: nowrap;
  transition: all var(--transition);
}

.pipe-node small {
  display: block;
  color: var(--text-muted);
  font-size: 0.6rem;
}

.pipe-node.highlight {
  background: rgba(20, 184, 166, 0.1);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.pipe-arrow {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* --- Chart container inside project card --- */
.chart-container {
  margin: 8px 0;
  padding: 8px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.metric-chart {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   TIMELINE / EXPERIMENTS
   ============================================ */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), var(--accent-teal));
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -33px;
  top: 20px;
  width: 14px;
  height: 14px;
  background: var(--accent-blue);
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.timeline-item[data-stage="2"] .timeline-marker { background: var(--accent-purple); box-shadow: 0 0 10px rgba(139, 92, 246, 0.4); }
.timeline-item[data-stage="3"] .timeline-marker { background: var(--accent-teal); box-shadow: 0 0 10px rgba(20, 184, 166, 0.4); }
.timeline-item[data-stage="4"] .timeline-marker { background: var(--accent-pink); box-shadow: 0 0 10px rgba(236, 72, 153, 0.4); }
.timeline-item[data-stage="5"] .timeline-marker { background: var(--accent-cyan); box-shadow: 0 0 10px rgba(34, 211, 238, 0.4); }
.timeline-item[data-stage="6"] .timeline-marker { background: var(--accent-green); box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.7); }
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  transition: all var(--transition);
}

.timeline-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-blue);
  transform: translateX(6px);
}

.experiment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.experiment-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.experiment-status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.experiment-status.completed {
  background: rgba(20, 184, 166, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.experiment-status.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(59, 130, 246, 0.3); }
  50% { border-color: rgba(59, 130, 246, 0.7); }
}

.timeline-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.timeline-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   TECH STACK
   ============================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  transition: all var(--transition);
  cursor: default;
}

.tech-item:hover {
  border-color: var(--accent-teal);
  box-shadow: var(--glow-teal);
  transform: translateY(-6px);
}

.tech-icon {
  font-size: 1.8rem;
}

.tech-item span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: center;
}

.tech-item:hover span {
  color: var(--accent-teal);
}

/* ============================================
   ACHIEVEMENTS / RESULTS
   ============================================ */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}

.achievement-card:hover {
  border-color: var(--accent-purple);
  box-shadow: var(--glow-purple);
  transform: translateY(-4px);
}

.achievement-value {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.achievement-metric {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.achievement-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Results Chart --- */
.results-chart-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
}

.chart-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-teal);
  margin-bottom: 20px;
}

.chart-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.chart-tab {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 18px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.chart-tab:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.chart-tab.active {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

#resultsChart {
  width: 100%;
  height: auto;
  max-height: 320px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-decoration: none;
  transition: all var(--transition);
}

.contact-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--glow-blue);
  transform: translateY(-4px);
}

.contact-icon {
  font-size: 2rem;
}

.contact-card h3 {
  font-size: 1rem;
  color: var(--text-primary);
}

.contact-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* --- Terminal --- */
.contact-terminal {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #eab308; }
.terminal-dot.green { background: #22c55e; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
}

.terminal-body p {
  margin-bottom: 2px;
}

.t-prompt {
  color: var(--accent-teal);
  margin-right: 8px;
}

.t-output {
  color: var(--text-secondary);
  padding-left: 20px;
}

.t-success {
  color: var(--accent-green);
  font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 32px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-primary);
}

/* ============================================
   PROFESSIONAL EXPERIENCE
   ============================================ */
.experience-timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 40px;
}

.experience-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple), var(--accent-teal));
}

.exp-item {
  position: relative;
  margin-bottom: 28px;
}

.exp-item:last-child {
  margin-bottom: 0;
}

.exp-marker {
  position: absolute;
  left: -33px;
  top: 22px;
  width: 14px;
  height: 14px;
  background: var(--accent-cyan);
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.4);
}

.exp-item:nth-child(2) .exp-marker { background: var(--accent-blue); box-shadow: 0 0 10px rgba(59, 130, 246, 0.4); }
.exp-item:nth-child(3) .exp-marker { background: var(--accent-purple); box-shadow: 0 0 10px rgba(139, 92, 246, 0.4); }
.exp-item:nth-child(4) .exp-marker { background: var(--accent-teal); box-shadow: 0 0 10px rgba(20, 184, 166, 0.4); }
.exp-item:nth-child(5) .exp-marker { background: var(--accent-green); box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); }

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 22px;
  transition: all var(--transition);
}

.exp-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-blue);
  transform: translateX(6px);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.exp-title-block h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.exp-company {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding-top: 4px;
}

.exp-list {
  list-style: none;
  margin-bottom: 14px;
}

.exp-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 4px;
}

.exp-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-size: 0.8rem;
}

.exp-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exp-tools span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-muted);
}

/* ============================================
   EDUCATION / CREDENTIALS ROADMAP
   ============================================ */
.edu-roadmap {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.edu-item {
  display: flex;
  align-items: stretch;
  gap: 16px;
}

.edu-year-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-purple);
  min-width: 64px;
  padding-top: 18px;
  text-align: right;
  flex-shrink: 0;
  position: relative;
}

.edu-year-badge::after {
  content: '';
  position: absolute;
  right: -9px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--accent-purple);
  border: 2px solid var(--bg-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}

.edu-item:nth-child(2) .edu-year-badge::after { background: var(--accent-blue); box-shadow: 0 0 8px rgba(59, 130, 246, 0.4); }
.edu-item:nth-child(3) .edu-year-badge::after { background: var(--accent-teal); box-shadow: 0 0 8px rgba(20, 184, 166, 0.4); }
.edu-item:nth-child(4) .edu-year-badge::after { background: var(--accent-cyan); box-shadow: 0 0 8px rgba(34, 211, 238, 0.4); }
.edu-item:nth-child(5) .edu-year-badge::after { background: var(--accent-green); box-shadow: 0 0 8px rgba(16, 185, 129, 0.4); }
.edu-item:nth-child(7) .edu-year-badge::after { background: var(--accent-blue); box-shadow: 0 0 8px rgba(59, 130, 246, 0.4); }

.edu-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-purple);
  border-radius: 0 10px 10px 0;
  padding: 18px 22px;
  transition: all var(--transition);
}

.edu-item:nth-child(2) .edu-card { border-left-color: var(--accent-blue); }
.edu-item:nth-child(3) .edu-card { border-left-color: var(--accent-teal); }
.edu-item:nth-child(4) .edu-card { border-left-color: var(--accent-cyan); }
.edu-item:nth-child(5) .edu-card { border-left-color: var(--accent-green); }
.edu-item:nth-child(6) .edu-card { border-left-color: var(--accent-pink); }
.edu-item:nth-child(7) .edu-card { border-left-color: var(--accent-blue); }

.edu-card:hover {
  border-color: var(--border-glow);
  border-left-color: var(--accent-cyan);
  box-shadow: var(--glow-purple);
  transform: translateX(6px);
}

.edu-type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: inline-block;
  margin-bottom: 8px;
}

.edu-type.cert {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.edu-type.bootcamp {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.edu-type.university {
  background: rgba(20, 184, 166, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.edu-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.edu-institution {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.98);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links a {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .section {
    padding: 60px 0;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-diagram {
    font-size: 0.6rem;
  }

  .pipe-node {
    min-width: 48px;
    padding: 6px;
    font-size: 0.58rem;
  }

  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .results-chart-section {
    padding: 20px 16px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .pipeline-step {
    padding: 14px;
    gap: 14px;
  }

  .step-number {
    font-size: 1.1rem;
    min-width: 36px;
  }

  .exp-header {
    flex-direction: column;
    gap: 4px;
  }

  .exp-date {
    white-space: normal;
  }

  .edu-item {
    flex-direction: column;
    gap: 6px;
  }

  .edu-year-badge {
    text-align: left;
    min-width: auto;
    padding-top: 0;
  }

  .edu-year-badge::after {
    display: none;
  }

  .edu-card {
    border-left: 3px solid var(--accent-purple);
    border-radius: 0 10px 10px 0;
  }
}

@media (max-width: 480px) {
  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}