/* ========================================
   Design System: Cybernetic Precision
   Robotics & AI Engineer Portfolio
   ======================================== */

/* === CSS Variables === */
:root {
  /* Deep Purple Theme */
  --color-primary: #A855F7;
  /* Vibrant Purple */
  --color-secondary: #7E22CE;
  /* Deep Purple */
  --color-cta: #A855F7;
  /* Purple CTA */
  --color-background: #0B0D17;
  /* Deep Space Gray - Page background */
  --color-surface: #151820;
  /* Charcoal - Cards, surfaces */
  --color-text: #E5E7EB;
  /* Cool White - Body text */
  --color-text-muted: #9CA3AF;
  /* Mid Gray - Secondary text */
  --color-border: #2D3748;
  /* Slate - Borders */
  --color-accent-dim: #1E3A5F;
  /* Dim Blue - Subtle accents */


  /* Spacing System (8-point grid) */
  --space-xs: 0.25rem;
  /* 4px */
  --space-sm: 0.5rem;
  /* 8px */
  --space-md: 1rem;
  /* 16px */
  --space-lg: 1.5rem;
  /* 24px */
  --space-xl: 2rem;
  /* 32px */
  --space-2xl: 3rem;
  /* 48px */
  --space-3xl: 4rem;
  /* 64px */
  --space-4xl: 6rem;
  /* 96px */

  /* Typography */
  --font-heading: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.3);
  --shadow-glow-subtle: 0 0 20px rgba(168, 85, 247, 0.15);

  /* Animations */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Prevent internal scrollbars in sections */
section,
.container,
.education-grid,
.cert-grid,
.timeline,
.projects-grid,
.publications-list {
  overflow: visible !important;
  max-height: none !important;
}

/* === Particles Canvas === */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
}

/* === Navigation Terminal === */
.nav-terminal {
  position: fixed;
  top: var(--space-lg);
  left: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  padding: var(--space-md);
  z-index: 1000;
  min-width: 200px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.nav-terminal__header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.nav-terminal__prompt {
  opacity: 0.8;
}

.nav-terminal__menu {
  list-style: none;
  margin-bottom: var(--space-md);
}

.nav-terminal__menu li {
  margin-bottom: var(--space-xs);
}

.nav-link {
  display: block;
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: all var(--transition-base);
  cursor: pointer;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(168, 85, 247, 0.1);
  transform: translateX(4px);
  outline: none;
}

.nav-link.active {
  font-weight: 700;
  border-left: 2px solid var(--color-primary);
}

.nav-terminal__status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.status-indicator {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* === Main Container === */
main {
  position: relative;
  z-index: 1;
  padding-left: 280px;
}

.container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  overflow-x: hidden;
}

.container-asymmetric {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* === Hero Terminal === */
.hero-terminal {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-4xl) 0;
}

.hero-terminal__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.terminal-window {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.terminal-header {
  background: rgba(168, 85, 247, 0.1);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--color-primary);
}

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

.terminal-dot--close {
  background: #FF5F56;
}

.terminal-dot--minimize {
  background: #FFBD2E;
}

.terminal-dot--maximize {
  background: #27C93F;
}

.terminal-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
}

.terminal-body {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  min-height: 150px;
}

.terminal-line {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.terminal-prompt {
  color: var(--color-primary);
  font-weight: 600;
}

.terminal-command {
  color: var(--color-text);
}

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

.terminal-cursor {
  color: var(--color-primary);
  animation: blink 1s step-end infinite;
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

.terminal-output {
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.terminal-success {
  font-weight: 600;
  text-shadow: 0 0 8px rgba(192, 132, 252, 0.4);
}

/* Hero Content */
.hero-terminal__content {
  text-align: left;
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-title__primary {
  display: block;
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  font-weight: 900;
  line-height: 1.05;
  font-family: 'Space Grotesk', var(--font-heading);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  text-transform: none;
  position: relative;
  /* Unified gradient across the entire name */
  background: linear-gradient(100deg,
      #FFFFFF 0%,
      #FFFFFF 38%,
      #E9D5FF 50%,
      #C084FC 62%,
      #A855F7 78%,
      #D946EF 100%);
  background-size: 250% 100%;
  animation: nameShimmer 6s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* "Sushmitha" span — inherits gradient, no override */
.hero-title__primary .name-first {
  display: inline;
}

/* "Govindaraj" span — inherits gradient, no override */
.hero-title__primary .name-last {
  display: inline;
}

@keyframes nameShimmer {
  0% {
    background-position: 0% center;
  }

  50% {
    background-position: 100% center;
  }

  100% {
    background-position: 0% center;
  }
}

/* Purple glowing underline bar */
.hero-title__primary::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, #A855F7, #E879F9);
  margin-top: 14px;
  border-radius: 2px;
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.7), 0 0 30px rgba(168, 85, 247, 0.3);
  animation: barPulse 3s ease-in-out infinite;
}

@keyframes barPulse {

  0%,
  100% {
    opacity: 1;
    width: 80px;
  }

  50% {
    opacity: 0.7;
    width: 110px;
  }
}

.hero-title__secondary {
  display: block;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
}

.hero-title__role {
  display: block;
  font-size: clamp(0.9rem, 2vw, 1.125rem);
  font-weight: 500;
  color: var(--color-primary);
  font-family: var(--font-body);
  margin-top: var(--space-sm);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text);
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  line-height: 1.7;
}

.highlight {
  color: var(--color-primary);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  font-family: var(--font-mono);
}

.btn-primary {
  background: var(--color-cta);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus {
  background: #7E22CE;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(168, 85, 247, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  outline: none;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-3xl);
  color: var(--color-text);
  font-family: var(--font-mono);
  text-align: center;
  width: 100%;
}

.section-title__wrapper {
  white-space: nowrap;
  display: inline-block;
}



.section-title__bracket {
  color: var(--color-primary);
}

.section-title__text {
  color: var(--color-text);
}

.section-title--small {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-xl);
}

/* === About Section (90/10 Asymmetric) === */
/* === About Section (90/10 Asymmetric) === */
.section-about {
  padding: var(--space-4xl) 0;
  background: transparent;
  position: relative;
}

.asymmetric-content {
  max-width: 1200px;
  margin-left: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-3xl);
  align-items: stretch;
}

/* About Image */
.about-image {
  position: relative;
  background: var(--color-surface);
  border-radius: 16px;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
}

.about-image:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.2);
  transform: translateY(-4px);
}

.profile-image {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: cover;
  display: block;
}

.about-text {
  background: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.about-text:hover {
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: var(--shadow-lg);
}

.about-paragraph {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  text-align: justify;
}

.about-paragraph:last-child {
  margin-bottom: 0;
}

.about-paragraph:first-child {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
  line-height: 1.5;
}

@media (max-width: 768px) {

  /* Force left alignment on all mobile content */
  section,
  .container,
  .section-title,
  .education-card,
  .cert-card,
  .timeline-item,
  .project-card,
  .publication-item,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  p {
    text-align: left !important;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-image {
    max-width: 280px;
    margin: 0 auto;
  }

  /* Education Grid - Stack on mobile */
  .education-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .education-card {
    padding: var(--space-lg);
  }

  .education-logo {
    width: 48px;
    height: 48px;
  }

  .education-degree {
    font-size: 1.1rem;
  }

  /* Certifications Grid - Stack on mobile */
  .cert-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .cert-card {
    padding: var(--space-sm) var(--space-md);
    align-items: flex-start !important;
    justify-content: flex-start !important;
  }

  .cert-info {
    text-align: left !important;
    align-items: flex-start !important;
  }

  .cert-title {
    font-size: 0.85rem;
    text-align: left !important;
  }

  .cert-issuer {
    font-size: 0.7rem;
    text-align: left !important;
    justify-content: flex-start !important;
  }

  .cert-link {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
}

/* Small devices (iPhones and smaller phones) */
@media (max-width: 480px) {

  /* Force left alignment on all mobile content */
  section,
  .container,
  .section-title,
  .education-card,
  .cert-card,
  .timeline-item,
  .project-card,
  .publication-item,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  p {
    text-align: left !important;
  }

  .container {
    padding: 0 var(--space-md);
  }

  /* Reduce section padding on very small screens */
  .section-about,
  .section-skills,
  .section-education,
  .section-experience,
  .section-projects,
  .section-publications,
  .section-certifications {
    padding: var(--space-3xl) 0;
  }

  /* Education cards - extra small screens */
  .education-grid {
    gap: var(--space-md);
  }

  .education-card {
    padding: var(--space-md);
  }

  .education-degree {
    font-size: 1rem;
  }

  .education-institution {
    font-size: 0.9rem;
  }

  /* Certifications - extra small screens - LEFT ALIGNED */
  .cert-card {
    flex-direction: row;
    align-items: flex-start !important;
    justify-content: flex-start !important;
    padding: var(--space-sm);
  }

  .cert-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .cert-info {
    text-align: left !important;
    align-items: flex-start !important;
  }

  .cert-title {
    font-size: 0.8rem;
    text-align: left !important;
  }

  .cert-issuer {
    text-align: left !important;
    justify-content: flex-start !important;
  }

  /* Ensure all images are constrained */
  img {
    max-width: 100%;
    height: auto;
  }

  /* Prevent text overflow */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  p {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
}

.about-paragraph strong {
  color: var(--color-primary);
  font-weight: 800;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.stat-value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === Skills Section === */
.section-skills {
  padding: var(--space-4xl) 0;
}

.skills-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.skill-group {
  background: transparent;
  padding: 0;
}

.skill-group__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
  font-family: var(--font-heading);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-tag {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition-base);
  cursor: default;
}

.skill-tag:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.2);
}

.skill-tag--primary {
  background: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
  font-weight: 600;
}

.skill-tag--primary:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-background);
}

/* === Experience Timeline === */
.section-experience,
.section-education {
  padding: var(--space-4xl) 0;
  background: transparent;
}

.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

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

.timeline-item {
  position: relative;
  margin-bottom: var(--space-3xl);
  padding-left: var(--space-xl);
}

.timeline-marker {
  position: absolute;
  left: -34px;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border: 3px solid var(--color-surface);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-primary);
  z-index: 10;
}

.timeline-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.timeline-links .btn {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: rgba(168, 85, 247, 0.05);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-base);
}

.timeline-links .btn:hover {
  background: var(--color-primary);
  color: var(--color-background);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}



.timeline-content {
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.education-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.edu-keyword {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
  background: rgba(168, 85, 247, 0.05);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.timeline-content:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateX(8px);
}

.timeline-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.timeline-header-text {
  flex: 1;
}

.company-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.timeline-company {
  display: inline-block;
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 600;
}

.timeline-date {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-bottom: var(--space-md);
}

.timeline-details {
  list-style: none;
}

.timeline-details li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.timeline-details li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.timeline-details strong {
  color: var(--color-primary);
}

/* === Projects Grid === */
.section-projects {
  padding: var(--space-4xl) 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: 0;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card__image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--color-background);
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-8px);
}

.project-card--featured {
  grid-column: span 2;
  border-color: var(--color-primary);
}

.project-card__links {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
  padding: 0 var(--space-xl) var(--space-xl) var(--space-xl);
}

.project-card__links .btn {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: rgba(168, 85, 247, 0.05);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-base);
}

.project-card__links .btn:hover {
  background: var(--color-primary);
  color: var(--color-background);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding: var(--space-xl) var(--space-xl) 0 var(--space-xl);
}

.project-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.project-card__tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(168, 85, 247, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  white-space: nowrap;
}

.project-card__description {
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  padding: 0 var(--space-xl);
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: 0 var(--space-xl) var(--space-xl) var(--space-xl);
}

.tech-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-background);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* === Publications Section === */
.section-publications {
  padding: var(--space-4xl) 0;
  background: transparent;
}

.publications-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.publication-item {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 8px;
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.publication-item:hover {
  border-left-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}

.publication-item .credential-icon {
  font-size: 2rem;
  flex-shrink: 0;
  margin-top: var(--space-xs);
}

.publication-item .credential-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.publication-item .credential-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.publication-description {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 0;
  font-size: 1rem;
}

.publication-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  transition: all var(--transition-base);
  margin-top: var(--space-2xl);
}

.publication-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.publication-link:hover {
  background: var(--color-primary);
  color: var(--color-background);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* === Education Card Grid === */
.section-education {
  padding: var(--space-4xl) 0;
  background: transparent;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-2xl);
}

.education-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 12px;
  padding: var(--space-xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  backdrop-filter: blur(10px);
}

.education-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px -10px rgba(168, 85, 247, 0.3);
}

.education-header {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.education-logo {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: white;
  /* Ensure logos look good */
  flex-shrink: 0;
}

.education-info {
  flex: 1;
}

.education-degree {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  font-family: var(--font-heading);
}

.education-institution {
  display: block;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.education-year {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.education-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.edu-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 20px;
  color: var(--color-text);
}

/* === Certifications Badge Grid === */
.section-certifications {
  padding: var(--space-4xl) 0;
  background: transparent;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.cert-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-primary);
  padding: var(--space-md);
  border-radius: 6px;
  transition: all var(--transition-base);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.cert-card:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.2);
}

.cert-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: 6px;
  font-size: 1.1rem;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  flex-shrink: 0;
}

.cert-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cert-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 2px;
}

.cert-issuer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.cert-date {
  font-family: var(--font-mono);
  opacity: 0.8;
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  background: rgba(168, 85, 247, 0.05);
  transition: all var(--transition-base);
  width: fit-content;
}

.cert-link svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
}

.cert-link:hover {
  background: var(--color-primary);
  color: var(--color-background);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
}





.credential-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.credential-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}

.credential-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.credential-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.credential-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* === Contact Section === */
.section-contact {
  padding: var(--space-4xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-3xl);
  align-items: center;
}

.contact-info {
  padding: var(--space-lg) 0;
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.contact-label {
  color: var(--color-primary);
  font-weight: 600;
  min-width: 100px;
}

.contact-link {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-link:hover,
.contact-link:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

.contact-cta__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.contact-cta__text {
  font-size: 1.125rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.contact-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* === Footer === */
.footer {
  background: var(--color-surface);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-2xl) 0;
}

.footer-content {
  text-align: center;
}

.footer-text {
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.footer-built {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* === Scroll Reveal Animation === */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal for sibling elements */
[data-reveal]:nth-child(2) {
  transition-delay: 60ms;
}

[data-reveal]:nth-child(3) {
  transition-delay: 120ms;
}

[data-reveal]:nth-child(4) {
  transition-delay: 180ms;
}

[data-reveal]:nth-child(5) {
  transition-delay: 240ms;
}

[data-reveal]:nth-child(n+6) {
  transition-delay: 300ms;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  /* Lock name gradient to static purple position for reduced-motion users */
  .hero-title__primary {
    animation: none !important;
    background-position: 60% center !important;
  }

  /* Lock underline bar to fixed width */
  .hero-title__primary::after {
    animation: none !important;
    width: 80px !important;
    opacity: 1 !important;
  }
}

/* === Responsive Breakpoints === */
/* === Responsive Breakpoints (Enhanced) === */

/* Tablet & Smaller Laptops (1024px) */
@media (max-width: 1024px) {
  main {
    padding-left: 0;
  }

  .nav-terminal {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    margin-bottom: var(--space-xl);
  }

  .nav-terminal__menu {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-terminal {
    padding: var(--space-2xl) 0;
    min-height: auto;
  }

  .project-card--featured {
    grid-column: span 1;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-marker {
    left: 20px;
  }

  .timeline-content {
    margin-left: 50px;
    width: calc(100% - 50px);
  }
}

/* Mobile Devices (768px) */
@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 3rem;
    --space-2xl: 2rem;
    --space-xl: 1.5rem;
  }

  /* Scrollable Horizontal Nav for Mobile */
  .nav-terminal {
    margin-bottom: var(--space-lg);
  }

  .nav-terminal__menu {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: var(--space-sm);
    justify-content: flex-start;
    padding-bottom: var(--space-xs);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Hide scrollbar Firefox */
  }

  .nav-terminal__menu::-webkit-scrollbar {
    display: none;
    /* Hide scrollbar Chrome/Safari */
  }

  .nav-link {
    white-space: nowrap;
    flex: 0 0 auto;
  }

  /* Reset main padding for mobile */
  main {
    padding-left: 0;
  }

  /* Adjust container padding */
  .container,
  .container-asymmetric {
    padding: 0 var(--space-md);
    width: 100%;
    max-width: 100%;
  }

  /* Hero adjustments */
  .hero-terminal {
    padding: var(--space-xl) 0;
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .hero-title__primary {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
  }

  .about-grid,
  .skills-grid,
  .projects-grid,
  .credentials-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-text {
    text-align: left;
  }

  .profile-image {
    max-width: 250px;
    margin: 0 auto;
  }

  .section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
  }

  /* Hero Buttons: Stack vertically for prominence */
  .hero-cta {
    flex-direction: column;
    width: 100%;
    gap: var(--space-md);
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  /* Card/Timeline Buttons: Share row (Side by Side) */
  .project-card__links,
  .timeline-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .project-card__links .btn,
  .timeline-links .btn {
    flex: 1;
    /* Both buttons take equal width */
    min-width: 120px;
    /* Prevent becoming too small */
    text-align: center;
    justify-content: center;
    width: auto;
    /* Reset global width: 100% */
  }
}

/* Small Mobile (480px) */
@media (max-width: 480px) {
  :root {
    --space-lg: 1.25rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 2.5rem;
    --space-4xl: 3rem;
  }

  .nav-link {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }

  .hero-title__primary {
    font-size: 1.75rem;
    /* Reduced from 2.5rem to fit screen */
    word-break: break-word;
    /* Prevent overflow */
  }

  .hero-title__secondary {
    font-size: 1rem;
  }

  .terminal-header {
    padding: var(--space-xs) var(--space-sm);
  }

  .terminal-body {
    padding: var(--space-md);
    min-height: 100px;
    /* Reduced height */
  }

  .project-card,
  .timeline-content,
  .about-text {
    padding: var(--space-lg);
    /* Reduced padding inside cards */
  }

  .section-title {
    font-size: 1.75rem;
  }

  /* Timeline fix for small screens */
  .timeline {
    padding-left: var(--space-lg);
  }

  .timeline::before {
    left: 6px;
  }

  .timeline-marker {
    left: -9px;
    width: 12px;
    height: 12px;
  }

  .timeline-content {
    margin-left: 0;
    width: 100%;
    padding: var(--space-md);
  }

  .company-logo {
    width: 32px;
    height: 32px;
  }
}

/* === Magic Bento Grid === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-md);
  padding: var(--space-md);
  max-width: 1400px;
  margin: 0 auto;
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Bento Spanning Layout */
  .magic-bento-card:nth-child(1) {
    grid-column: span 2;
  }

  /* Robotics - Wide */
  .magic-bento-card:nth-child(2) {
    grid-row: span 2;
  }

  /* AI - Tall */
  .magic-bento-card:nth-child(3) {
    grid-column: span 1;
  }

  /* Dev - Normal */
  .magic-bento-card:nth-child(4) {
    grid-column: span 1;
  }

  /* Industrial - Normal */
  .magic-bento-card:nth-child(5) {
    grid-column: span 3;
  }

  /* Cloud - Very Wide */
}

.magic-bento-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  min-height: 240px;
  padding: var(--space-lg);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: rgba(21, 24, 32, 0.6);
  /* Glass-like surface */
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;

  /* CSS Variables for Glow */
  --glow-x: 50%;
  --glow-y: 50%;
  --glow-intensity: 0;
  --glow-radius: 300px;
  --glow-color: 168, 85, 247;
}

.magic-bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
  background: rgba(21, 24, 32, 0.8);
  border-color: rgba(168, 85, 247, 0.4);
}

.magic-bento-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 2;
}

.magic-bento-card__icon {
  font-size: 1.5rem;
  background: rgba(168, 85, 247, 0.1);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--color-primary);
}

.magic-bento-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--color-border);
  padding: 4px 8px;
  border-radius: 4px;
}

.magic-bento-card__content {
  z-index: 2;
}

.magic-bento-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  font-family: var(--font-heading);
}

.magic-bento-card__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.magic-bento-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.bento-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  color: var(--color-text);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.magic-bento-card:hover .bento-tag {
  background: rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.3);
}

/* Border Glow Effect */
.magic-bento-card::after {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  /* Border width */
  background: radial-gradient(var(--glow-radius) circle at var(--glow-x) var(--glow-y),
      rgba(var(--glow-color), var(--glow-intensity)) 0%,
      rgba(var(--glow-color), calc(var(--glow-intensity) * 0.3)) 30%,
      transparent 60%);
  border-radius: inherit;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
  opacity: 1;
}

/* Global Spotlight */
.global-spotlight {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  background: radial-gradient(circle,
      rgba(168, 85, 247, 0.1) 0%,
      rgba(168, 85, 247, 0.05) 20%,
      transparent 70%);
  mix-blend-mode: screen;
  opacity: 0;
  will-change: transform, opacity;
}

/* Particles */
.particle-container-inner {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.bento-particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.click-ripple {
  position: absolute;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}