:root {
  /* Enhanced color system with more futuristic tones */
  --primary: #00d4ff;
  --secondary: #0066ff;
  --accent: #00ffaa;
  --accent-secondary: #ff0080;
  --dark: #0a0e17;
  --darker: #050a14;
  --darkest: #020508;
  --light: #f0f8ff;
  --gray: #8a9ba8;
  --gray-light: #b4c5d2;

  /* Advanced glass morphism variables */
  --glass-bg: rgba(10, 25, 47, 0.1);
  --glass-border: rgba(0, 212, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-blur: blur(16px);

  /* Enhanced card backgrounds with better transparency */
  --card-bg: rgba(10, 25, 47, 0.05);
  --card-bg-hover: rgba(10, 25, 47, 0.1);
  --card-border: rgba(0, 212, 255, 0.15);
  --card-border-hover: rgba(0, 212, 255, 0.4);

  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Montserrat", sans-serif;
  /* More sophisticated background with multiple layers */
  background: radial-gradient(ellipse at top, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(0, 255, 170, 0.03) 0%, transparent 50%),
    linear-gradient(135deg, var(--darkest), var(--darker), var(--dark));
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
  background-attachment: fixed;
  position: relative;
  min-height: 100vh;
}

/* Enhanced animated background with more subtle effects */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 15% 25%, rgba(0, 212, 255, 0.08) 0%, transparent 25%),
    radial-gradient(circle at 85% 75%, rgba(0, 255, 170, 0.06) 0%, transparent 25%),
    radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.03) 0%, transparent 30%);
  z-index: -1;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* More sophisticated grid pattern with better opacity */
.grid-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  animation: gridFloat 30s linear infinite;
}

@keyframes gridFloat {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Enhanced header with better glass morphism */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: var(--transition);
  padding: 15px 0;
}

header.scrolled {
  background: rgba(5, 10, 20, 0.2);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--glass-shadow);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* More futuristic logo design */
.logo {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.logo::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
}

.logo:hover::after {
  transform: scaleX(1);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-links a {
  color: var(--gray-light);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 8px 16px;
  border-radius: 20px;
}

.nav-links a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--glass-bg);
  border: 1px solid transparent;
  border-radius: 20px;
  opacity: 0;
  transition: var(--transition);
}

.nav-links a:hover::before {
  opacity: 1;
  border-color: var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.nav-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.mobile-menu {
  display: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 10px;
  border-radius: 8px;
  transition: var(--transition);
}

.mobile-menu:hover {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

/* Enhanced hero section with better spacing and effects */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text h1 {
  font-family: "Orbitron", sans-serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 30px;
  background: linear-gradient(135deg, var(--light), var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease-in-out infinite;
}

.hero-text h1 span {
  background: linear-gradient(135deg, var(--primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.3rem;
  color: var(--gray-light);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 600px;
}

/* Enhanced profile photo with better glass effects */
.profile-photo {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--glass-border);
  box-shadow: var(--glass-shadow), 0 0 50px rgba(0, 212, 255, 0.2), inset 0 0 50px rgba(0, 212, 255, 0.1);
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
}

.profile-photo:hover {
  transform: scale(1.05);
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 80px rgba(0, 255, 170, 0.3), inset 0 0 50px rgba(0, 255, 170, 0.1);
}

/* Enhanced sections with better spacing */
section {
  padding: 120px 0;
  position: relative;
}

section:nth-child(even) {
  background: rgba(0, 212, 255, 0.01);
}

/* Enhanced button with more sophisticated glass effects */
.btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--light);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 1px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 255, 170, 0.3);
  background: rgba(0, 255, 170, 0.1);
}

.btn span {
  position: relative;
  z-index: 1;
}

/* Skills Section */
.section-title {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
}

.section-title h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

/* Enhanced skill cards with better glass morphism */
.skill-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 255, 170, 0.05));
  opacity: 0;
  transition: var(--transition);
}

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

.skill-card:hover {
  transform: translateY(-10px);
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
  box-shadow: var(--glass-shadow), 0 0 40px rgba(0, 212, 255, 0.2);
}

.skill-card i {
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 25px;
  display: block;
  position: relative;
  z-index: 1;
}

.skill-card h3 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--light);
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.skill-card ul {
  list-style: none;
  padding-left: 0;
  position: relative;
  z-index: 1;
}

.skill-card ul li {
  margin-bottom: 12px;
  position: relative;
  padding-left: 25px;
  color: var(--gray-light);
  transition: var(--transition-fast);
}

.skill-card ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.skill-card:hover ul li {
  color: var(--light);
}

/* Enhanced timeline with better glass effects */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::after {
  content: "";
  position: absolute;
  width: 4px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.timeline-item {
  padding: 20px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  top: 30px;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item:nth-child(even)::after {
  left: -10px;
}

/* Enhanced timeline content with glass morphism */
.timeline-content {
  padding: 30px;
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  position: relative;
  transition: var(--transition);
}

.timeline-content:hover {
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow);
}

.timeline-content h3 {
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.timeline-content .date {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 15px;
  display: block;
}

.timeline-content p {
  color: var(--gray-light);
  line-height: 1.7;
}

/* Enhanced projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 40px;
}

/* Enhanced project cards with better glass effects */
.project-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.03), rgba(0, 255, 170, 0.03));
  opacity: 0;
  transition: var(--transition);
  z-index: 1;
}

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

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--card-border-hover);
  box-shadow: var(--glass-shadow), 0 0 50px rgba(0, 212, 255, 0.2);
}

.project-img {
  height: 200px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  position: relative;
  overflow: hidden;
}

.project-img::after {
  content: "🚀";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  opacity: 0.7;
}

.project-info {
  padding: 30px;
  position: relative;
  z-index: 2;
}

.project-info h3 {
  color: var(--light);
  font-size: 1.4rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.project-info p {
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tech {
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.project-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

.project-links a:hover {
  color: var(--primary);
}

/* Enhanced contact section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px;
}

.contact-info h3 {
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 25px;
}

.contact-details {
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  color: var(--gray-light);
}

.contact-item i {
  color: var(--primary);
  margin-right: 15px;
  width: 20px;
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.contact-form {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px;
}

.contact-form h3 {
  color: var(--light);
  font-size: 1.5rem;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--gray-light);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px;
  background: rgba(10, 25, 47, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--light);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
  background: rgba(10, 25, 47, 0.5);
}

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

/* Enhanced footer with better glass effects */
footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  padding: 50px 0;
  text-align: center;
  position: relative;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 25px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--gray-light);
  text-decoration: none;
  transition: var(--transition);
  padding: 8px 16px;
  border-radius: 20px;
}

.footer-links a:hover {
  color: var(--accent);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

.copyright {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Enhanced animations */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Enhanced responsive design */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }

  .hero h1 {
    font-size: 3.5rem;
  }

  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item::after {
    left: 21px;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    right: -100%;
    flex-direction: column;
    background: rgba(5, 10, 20, 0.95);
    backdrop-filter: blur(20px);
    width: 300px;
    height: calc(100vh - 80px);
    padding: 40px 20px;
    transition: var(--transition);
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    margin: 15px 0;
  }

  .mobile-menu {
    display: block;
  }

  .hero {
    padding-top: 120px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .section-title h2 {
    font-size: 2.5rem;
  }

  .skills-container {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .section-title h2 {
    font-size: 2.2rem;
  }

  .skill-card,
  .project-card,
  .contact-info,
  .contact-form {
    padding: 30px;
  }

  .profile-photo {
    width: 280px;
    height: 280px;
  }

  section {
    padding: 80px 0;
  }
}