@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;800&family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

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

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #151515;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --accent-green: #00ff41;
  --accent-blue: #00d4ff;
  --accent-red: #ff202b;
  --border: #333333;
}

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

html {
  scroll-behavior: smooth;
}

::selection {
  background: var(--accent-green);
  color: var(--bg-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-green);
  border-radius: 4px;
}

h1, h2, h3 {
  font-family: 'Orbitron', sans-serif;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 255, 65, 0.2);
  transition: all 0.3s;
}

.header.scrolled {
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(0, 255, 65, 0.1);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav {
  display: flex;
  gap: 2.5rem;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  position: relative;
  transition: color 0.3s;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-green);
  transition: width 0.3s;
}

.nav a:hover {
  color: var(--accent-green);
}

.nav a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  font-size: 1.5rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 0 2rem;
}

.matrix-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(10,10,10,0.4), rgba(10,10,10,0.9));
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 1000px;
}

.hero-icons {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
  font-size: 3rem;
}

.hero-icon {
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 0 10px var(--accent-green));
}

.hero-icon:nth-child(2) {
  animation-delay: 0.5s;
}

.hero-icon:nth-child(3) {
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  margin-bottom: 1rem;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% {
    text-shadow: 0 0 10px var(--accent-green),
                 0 0 20px var(--accent-green);
  }
  50% {
    text-shadow: 0 0 20px var(--accent-green),
                 0 0 30px var(--accent-green),
                 0 0 40px var(--accent-blue);
  }
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 32px;
  border: 2px solid var(--accent-green);
  background: transparent;
  color: var(--accent-green);
  font-family: 'Orbitron', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent-green);
  transition: left 0.3s;
  z-index: -1;
}

.btn:hover::before {
  left: 0;
}

.btn:hover {
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--accent-green);
}

.btn-primary {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-primary::before {
  background: var(--accent-blue);
}

.btn-primary:hover {
  box-shadow: 0 0 20px var(--accent-blue);
}

.btn-secondary {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.btn-secondary::before {
  background: var(--accent-red);
}

.btn-secondary:hover {
  box-shadow: 0 0 20px var(--accent-red);
}
.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--accent-green);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 10;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--accent-green));
  margin: 0 auto 1rem;
  animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
  0%, 100% {
    transform: translateY(0);
    opacity: 0;
  }
  50% {
    transform: translateY(10px);
    opacity: 1;
  }
}

/* Section Styles */
.section {
  padding: 80px 20px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  color: var(--accent-green);
  letter-spacing: 3px;
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent-green);
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

.title-underline {
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
  margin: 0 auto;
}

/* About */
.about {
  background: var(--bg-secondary);
}

.about-content {
  max-width: 1000px;
  margin: 0 auto;
}

.about-bio {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-green);
  margin-bottom: 3rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-card {
  background: var(--bg-card);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.stat-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 65, 0.2);
}

.stat-value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-green);
  font-family: 'Orbitron', sans-serif;
  text-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Skills */
.skills {
  background: var(--bg-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--bg-card);
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.skill-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 255, 65, 0.2);
}

.skill-category {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--accent-green);
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background: rgba(0, 255, 65, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 65, 0.3);
  font-size: 0.85rem;
  font-family: 'Share Tech Mono', monospace;
  transition: all 0.3s;
}

.skill-tag:hover {
  background: var(--accent-green);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

/* Experience */
.experience {
  background: var(--bg-secondary);
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-green), var(--accent-blue));
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 3rem;
}

.timeline-marker {
  position: absolute;
  left: 20px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--accent-green);
  border: 4px solid var(--bg-secondary);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-green);
  animation: pulse 2s infinite;
}

.timeline-content {
  background: var(--bg-card);
  padding: 2rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-green);
  transition: all 0.3s;
}

.timeline-content:hover {
  transform: translateX(5px);
  box-shadow: 0 8px 32px rgba(0, 255, 65, 0.15);
}

.job-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.job-company {
  font-size: 1.1rem;
  color: var(--accent-green);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.job-period {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.job-responsibilities {
  list-style: none;
  padding: 0;
}

.job-responsibilities li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.job-responsibilities li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-size: 1.2rem;
}

/* Education */
.education {
  background: var(--bg-primary);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.education-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-green);
  transition: all 0.3s;
}

.education-card:hover {
  border-left-color: var(--accent-blue);
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 255, 65, 0.2);
}

.edu-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  filter: drop-shadow(0 0 10px var(--accent-green));
}

.edu-degree {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.edu-institution {
  font-size: 1.15rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.edu-period {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.edu-gpa {
  color: var(--accent-green);
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.edu-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.highlight-item {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Projects */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.project-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 255, 65, 0.2);
}

.project-title {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  padding: 0.4rem 0.8rem;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 212, 255, 0.3);
  font-size: 0.8rem;
  font-family: 'Share Tech Mono', monospace;
}

.project-impact {
  color: var(--accent-green);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Research */
.research {
  background: var(--bg-primary);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
  gap: 2.5rem;
}

.research-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.research-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 255, 65, 0.2);
}

.research-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.research-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 10px var(--accent-green));
}

.research-status {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-family: 'Share Tech Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid;
}

.research-status.published {
  background: rgba(0, 255, 65, 0.1);
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.research-status.under-review {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.research-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.research-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

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

.research-publication {
  padding: 0.75rem 1rem;
  background: rgba(0, 212, 255, 0.05);
  border-left: 3px solid var(--accent-blue);
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.research-abstract {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.research-link {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.research-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent-green);
  transition: left 0.3s;
  z-index: -1;
}

.research-link:hover::before {
  left: 0;
}

.research-link:hover {
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--accent-green);
}

/* Future Work */
.future-work {
  background: var(--bg-secondary);
  position: relative;
}

.future-work::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 65, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 65, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.5;
  pointer-events: none;
}

.future-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.future-card {
  background: var(--bg-card);
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.future-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

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

.future-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 255, 65, 0.2);
}

.future-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
  filter: drop-shadow(0 0 10px var(--accent-blue));
}

.future-category {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(0, 255, 65, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 65, 0.3);
  font-size: 0.7rem;
  font-family: 'Share Tech Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.future-title {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.future-description {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.future-timeline {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border-left: 3px solid var(--accent-blue);
  color: var(--accent-blue);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* Contact */
.contact {
  background: var(--bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.info-card:hover {
  border-color: var(--accent-green);
  transform: translateX(5px);
}

.info-card h4 {
  color: var(--accent-green);
  margin-bottom: 0.5rem;
}

.info-card a {
  color: var(--text-primary);
  text-decoration: none;
}

.info-card a:hover {
  color: var(--accent-green);
}

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

.social-link {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--border);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
}

.social-link:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(0, 255, 65, 0.1);
}

.contact-form {
  background: var(--bg-card);
  padding: 2.5rem;
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  color: var(--accent-green);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-status {
    margin-top: var(--space-16);
    padding: var(--space-12);
    border-radius: var(--radius-base);
    background-color: var(--color-secondary);
    color: var(--color-text);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-standard);
}

.form-status.show {
    opacity: 1;
}

.submit-btn {
  padding: 1rem 2.5rem;
  background: transparent;
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent-green);
  transition: left 0.3s;
  z-index: -1;
}

.submit-btn:hover::before {
  left: 0;
}

.submit-btn:hover {
  color: var(--bg-primary);
  box-shadow: 0 0 25px var(--accent-green);
}

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-content p {
  color: var(--text-secondary);
  margin: 0.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    gap: 0;
    padding: 2rem 0;
    transition: left 0.3s;
  }

  .nav.active {
    left: 0;
  }

  .nav a {
    padding: 1rem 2rem;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--border);
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-icons {
    gap: 2rem;
    font-size: 2rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

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

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

  .timeline::before {
    left: 10px;
  }

  .timeline-item {
    padding-left: 50px;
  }

  .timeline-marker {
    left: 0;
  }
}