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

:root {
  /* Color Palette - Enhanced with vibrant gradients */
  --color-bg: #0a0a0a;
  --color-bg-secondary: #141414;
  --color-bg-tertiary: #1a1a1a;
  --color-text: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-border: #27272a;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-tertiary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-quaternary: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --gradient-card: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  --gradient-button: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-text: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Code", monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-base);
}

.nav.hidden {
  transform: translateY(-100%);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.nav-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-text);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

/* Sparkling Stars Animation */
.sparkling-stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.star {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #43e97b;
  border-radius: 50%;
  box-shadow: 
    0 0 10px #43e97b,
    0 0 20px #43e97b,
    0 0 30px #43e97b,
    0 0 40px #43e97b;
  animation: sparkle 3s ease-in-out infinite;
}

.star::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 2px;
  background: #38f9d7;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 
    0 0 5px #38f9d7,
    0 0 10px #38f9d7,
    0 0 15px #38f9d7;
}

.star::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(67, 233, 123, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 2s ease-in-out infinite;
}

/* Star Positions */
.star-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.star-2 {
  top: 30%;
  right: 15%;
  animation-delay: 0.5s;
}

.star-3 {
  top: 60%;
  left: 20%;
  animation-delay: 1s;
}

.star-4 {
  top: 70%;
  right: 25%;
  animation-delay: 1.5s;
}

.star-5 {
  top: 15%;
  left: 60%;
  animation-delay: 2s;
}

.star-6 {
  top: 80%;
  right: 10%;
  animation-delay: 2.5s;
}

/* Star Animations */
@keyframes sparkle {
  0%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0.1;
  }
}

/* Floating Animation for Stars */
.star-1 {
  animation: sparkle 3s ease-in-out infinite, float 6s ease-in-out infinite;
}

.star-2 {
  animation: sparkle 3s ease-in-out infinite, float 8s ease-in-out infinite;
}

.star-3 {
  animation: sparkle 3s ease-in-out infinite, float 7s ease-in-out infinite;
}

.star-4 {
  animation: sparkle 3s ease-in-out infinite, float 5s ease-in-out infinite;
}

.star-5 {
  animation: sparkle 3s ease-in-out infinite, float 9s ease-in-out infinite;
}

.star-6 {
  animation: sparkle 3s ease-in-out infinite, float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-10px) rotate(90deg);
  }
  50% {
    transform: translateY(-5px) rotate(180deg);
  }
  75% {
    transform: translateY(-15px) rotate(270deg);
  }
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-greeting {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-mono);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { 
    background: var(--gradient-text);
  }
  50% { 
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
  }
}

.hero-subtitle {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin-bottom: var(--spacing-lg);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-button);
  color: white;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
  filter: brightness(1.1);
}

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

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0%,
  100% {
    opacity: 0;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(20px);
  }
}

/* Section Styles */
section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
}

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

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.about-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.about-intro {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  margin-bottom: var(--spacing-sm);
}

.about-text strong {
  color: var(--color-accent);
  font-weight: 600;
}

.about-skills h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.skill-category {
  background-color: var(--color-bg-tertiary);
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.skill-category:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.skill-category h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.skill-list {
  list-style: none;
}

.skill-list li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.skill-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Experience Section */
.experience-timeline {
  position: relative;
  padding-left: 2rem;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.timeline-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.375rem;
  top: 0.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  padding-top: 0.25rem;
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.timeline-company {
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.timeline-description {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-tags span {
  font-size: 0.8125rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--color-bg-tertiary);
  color: var(--color-accent);
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.project-card {
  background: var(--color-bg-tertiary);
  background-image: var(--gradient-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: 0 25px 50px rgba(102, 126, 234, 0.2);
}

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

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.project-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background-color: var(--color-accent);
  color: white;
}

.project-content {
  padding: var(--spacing-md);
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.project-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.project-tags span {
  font-size: 0.8125rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--color-bg);
  color: var(--color-accent);
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.project-stats {
  display: flex;
  gap: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

/* Sparkling Stars for Contact Section */
.sparkling-stars-contact {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.star-contact {
  position: absolute;
  width: 3px;
  height: 3px;
  background: #43e97b;
  border-radius: 50%;
  box-shadow: 
    0 0 8px #43e97b,
    0 0 16px #43e97b,
    0 0 24px #43e97b,
    0 0 32px #43e97b;
  animation: sparkleContact 4s ease-in-out infinite;
}

.star-contact::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.5px;
  height: 1.5px;
  background: #38f9d7;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 
    0 0 4px #38f9d7,
    0 0 8px #38f9d7,
    0 0 12px #38f9d7;
}

.star-contact::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border: 1px solid rgba(67, 233, 123, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulseContact 3s ease-in-out infinite;
}

/* Contact Star Positions */
.star-contact-1 {
  top: 15%;
  left: 8%;
  animation-delay: 0.2s;
}

.star-contact-2 {
  top: 25%;
  right: 12%;
  animation-delay: 1.2s;
}

.star-contact-3 {
  top: 55%;
  left: 15%;
  animation-delay: 2.2s;
}

.star-contact-4 {
  top: 75%;
  right: 20%;
  animation-delay: 0.8s;
}

.star-contact-5 {
  top: 35%;
  left: 70%;
  animation-delay: 1.8s;
}

.star-contact-6 {
  top: 85%;
  right: 5%;
  animation-delay: 3.2s;
}

/* Contact Star Animations */
@keyframes sparkleContact {
  0%, 100% {
    opacity: 0.2;
    transform: scale(0.7);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.3);
  }
}

@keyframes pulseContact {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.7);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.4);
    opacity: 0.1;
  }
}

/* Floating Animation for Contact Stars */
.star-contact-1 {
  animation: sparkleContact 4s ease-in-out infinite, floatContact 7s ease-in-out infinite;
}

.star-contact-2 {
  animation: sparkleContact 4s ease-in-out infinite, floatContact 5s ease-in-out infinite;
}

.star-contact-3 {
  animation: sparkleContact 4s ease-in-out infinite, floatContact 8s ease-in-out infinite;
}

.star-contact-4 {
  animation: sparkleContact 4s ease-in-out infinite, floatContact 6s ease-in-out infinite;
}

.star-contact-5 {
  animation: sparkleContact 4s ease-in-out infinite, floatContact 9s ease-in-out infinite;
}

.star-contact-6 {
  animation: sparkleContact 4s ease-in-out infinite, floatContact 4s ease-in-out infinite;
}

@keyframes floatContact {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-8px) rotate(90deg);
  }
  50% {
    transform: translateY(-4px) rotate(180deg);
  }
  75% {
    transform: translateY(-12px) rotate(270deg);
  }
}

.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.contact-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.contact-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

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

.contact-value:hover {
  color: var(--color-accent);
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-content p {
  color: var(--color-text-tertiary);
  font-size: 0.9375rem;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in-delay-1 {
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.fade-in-delay-2 {
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.fade-in-delay-3 {
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

.fade-in-delay-4 {
  animation: fadeInUp 0.8s ease 0.8s forwards;
  opacity: 0;
}

.timeline-item:nth-child(1) {
  animation-delay: 0.1s;
}

.timeline-item:nth-child(2) {
  animation-delay: 0.2s;
}

.timeline-item:nth-child(3) {
  animation-delay: 0.3s;
}

.project-card:nth-child(1) {
  animation-delay: 0.1s;
}

.project-card:nth-child(2) {
  animation-delay: 0.2s;
}

.project-card:nth-child(3) {
  animation-delay: 0.3s;
}

.project-card:nth-child(4) {
  animation-delay: 0.4s;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-date {
    padding-top: 0;
  }

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--color-bg-secondary);
  background-image: var(--gradient-card);
  margin: 2% auto;
  padding: 0;
  border-radius: 16px;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  animation: slideInUp 0.4s ease;
}

.close {
  color: var(--color-text-secondary);
  float: right;
  font-size: 28px;
  font-weight: bold;
  position: absolute;
  right: 20px;
  top: 15px;
  z-index: 10001;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.close:hover {
  color: var(--color-accent);
}

.modal-header {
  display: flex;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.modal-image {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  object-fit: cover;
  margin-right: 1.5rem;
  border: 2px solid var(--color-border);
}

.modal-header-content h2 {
  color: var(--color-text);
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.modal-body {
  padding: 2rem;
}

.modal-features h3,
.modal-technologies h3,
.modal-download h4 {
  color: var(--color-text);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.features-list {
  list-style: none;
  margin-bottom: 2rem;
}

.features-list li {
  padding: 0.75rem 0;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.features-list li:hover {
  color: var(--color-text);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tech-tag {
  padding: 0.5rem 1rem;
  background: var(--gradient-button);
  color: white;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.platform-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.platform-btn {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-base);
  flex: 1;
  min-width: 200px;
}

.platform-btn:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
}

.platform-icon {
  font-size: 1.5rem;
  margin-right: 1rem;
}

.platform-name {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.platform-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Contact Form Styles */
.contact-form {
  background: var(--color-bg-tertiary);
  background-image: var(--gradient-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Form Loading State */
.contact-form button[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
  background: linear-gradient(135deg, #666 0%, #888 100%);
}

.contact-form button:not([disabled]):hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

/* Form Success State */
.contact-form.success {
  border-color: #4CAF50;
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.2);
}

/* Enhanced Form Inputs */
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: var(--color-bg);
}

.form-group input:valid,
.form-group textarea:valid {
  border-color: rgba(76, 175, 80, 0.5);
}

/* Form Error States */
.form-group input.error,
.form-group textarea.error {
  border-color: #f44336;
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

.form-group input.error:focus,
.form-group textarea.error:focus {
  border-color: #f44336;
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.2);
}

/* Loading State */
.contact-form.loading {
  opacity: 0.8;
  pointer-events: none;
}

.contact-form.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  pointer-events: all;
}

/* Form Animation */
.contact-form {
  animation: slideInUp 0.6s ease;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced Section Backgrounds */
.about {
  background: var(--color-bg-secondary);
  background-image: 
    radial-gradient(circle at 30% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
}

.projects {
  background: var(--color-bg-secondary);
  background-image: 
    radial-gradient(circle at 80% 30%, rgba(240, 147, 251, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(79, 172, 254, 0.05) 0%, transparent 50%);
}

.contact {
  background: var(--color-bg-secondary);
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(67, 233, 123, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 90% 10%, rgba(56, 249, 215, 0.05) 0%, transparent 50%);
}

/* Navigation Gradient Enhancement */
.nav {
  background: rgba(10, 10, 10, 0.9);
  background-image: 
    linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
    linear-gradient(90deg, transparent 50%, rgba(118, 75, 162, 0.1) 100%);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Smooth Scrolling Enhancements */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Mobile Responsive for Modals */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    margin: 5% auto;
  }
  
  .modal-header {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }
  
  .modal-image {
    margin-right: 0;
    margin-bottom: 1rem;
  }
  
  .modal-body {
    padding: 1.5rem;
  }
  
  .platform-buttons {
    flex-direction: column;
  }
  
  .platform-btn {
    min-width: auto;
  }
  
  .contact-form {
    padding: 1.5rem;
    margin: 0 1rem 2rem 1rem;
  }
}


  width: 10px;

  height: 10px;

  border-radius: 50%;

  background-color: var(--color-accent);

  border: 2px solid var(--color-bg);

}



.timeline-date {

  font-family: var(--font-mono);

  font-size: 0.875rem;

  color: var(--color-text-tertiary);

  padding-top: 0.25rem;

}



.timeline-content h3 {

  font-size: 1.5rem;

  margin-bottom: 0.25rem;

  color: var(--color-text);

}



.timeline-company {

  font-size: 1rem;

  color: var(--color-accent);

  margin-bottom: var(--spacing-sm);

}



.timeline-description {

  color: var(--color-text-secondary);

  line-height: 1.8;

  margin-bottom: var(--spacing-sm);

}



.timeline-tags {

  display: flex;

  flex-wrap: wrap;

  gap: 0.5rem;

}



.timeline-tags span {

  font-size: 0.8125rem;

  padding: 0.375rem 0.875rem;

  background-color: var(--color-bg-tertiary);

  color: var(--color-accent);

  border-radius: 4px;

  border: 1px solid var(--color-border);

}



/* Projects Section */

.projects {

  background-color: var(--color-bg-secondary);

}



.projects-grid {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));

  gap: var(--spacing-md);

}



.project-card {

  background-color: var(--color-bg-tertiary);

  border-radius: 12px;

  overflow: hidden;

  border: 1px solid var(--color-border);

  transition: all var(--transition-base);

  opacity: 0;

  animation: fadeInUp 0.6s ease forwards;

}



.project-card:hover {

  transform: translateY(-8px);

  border-color: var(--color-accent);

  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);

}



.project-image {

  position: relative;

  overflow: hidden;

  aspect-ratio: 16 / 10;

}



.project-image img {

  width: 100%;

  height: 100%;

  object-fit: cover;

  transition: transform var(--transition-slow);

}



.project-card:hover .project-image img {

  transform: scale(1.05);

}



.project-overlay {

  position: absolute;

  inset: 0;

  background: rgba(10, 10, 10, 0.9);

  display: flex;

  align-items: center;

  justify-content: center;

  opacity: 0;

  transition: opacity var(--transition-base);

}



.project-card:hover .project-overlay {

  opacity: 1;

}



.project-link {

  color: var(--color-accent);

  text-decoration: none;

  font-weight: 600;

  padding: 0.75rem 1.5rem;

  border: 1px solid var(--color-accent);

  border-radius: 6px;

  transition: all var(--transition-fast);

}



.project-link:hover {

  background-color: var(--color-accent);

  color: white;

}



.project-content {

  padding: var(--spacing-md);

}



.project-title {

  font-size: 1.5rem;

  margin-bottom: var(--spacing-sm);

  color: var(--color-text);

}



.project-description {

  color: var(--color-text-secondary);

  line-height: 1.7;

  margin-bottom: var(--spacing-sm);

}



.project-tags {

  display: flex;

  flex-wrap: wrap;

  gap: 0.5rem;

  margin-bottom: var(--spacing-sm);

}



.project-tags span {

  font-size: 0.8125rem;

  padding: 0.375rem 0.875rem;

  background-color: var(--color-bg);

  color: var(--color-accent);

  border-radius: 4px;

  border: 1px solid var(--color-border);

}



.project-stats {

  display: flex;

  gap: var(--spacing-md);

  padding-top: var(--spacing-sm);

  border-top: 1px solid var(--color-border);

}



.stat {

  display: flex;

  flex-direction: column;

}



.stat-value {

  font-size: 1.25rem;

  font-weight: 700;

  color: var(--color-accent);

}



.stat-label {

  font-size: 0.8125rem;

  color: var(--color-text-tertiary);

}



/* Contact Section */

.contact {

  padding: var(--spacing-xl) 0;

}



.contact-content {

  max-width: 800px;

  margin: 0 auto;

  text-align: center;

}



.contact-title {

  font-size: clamp(2rem, 5vw, 3rem);

  margin-bottom: var(--spacing-md);

  color: var(--color-text);

}



.contact-description {

  font-size: 1.125rem;

  line-height: 1.8;

  color: var(--color-text-secondary);

  margin-bottom: var(--spacing-lg);

}



.contact-info {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));

  gap: var(--spacing-md);

  margin-bottom: var(--spacing-lg);

  text-align: left;

}



.contact-item {

  display: flex;

  flex-direction: column;

  gap: 0.5rem;

}



.contact-label {

  font-size: 0.875rem;

  color: var(--color-text-tertiary);

  text-transform: uppercase;

  letter-spacing: 0.05em;

}



.contact-value {

  color: var(--color-text);

  text-decoration: none;

  transition: color var(--transition-fast);

}



.contact-value:hover {

  color: var(--color-accent);

}



/* Footer */

.footer {

  background-color: var(--color-bg-secondary);

  padding: var(--spacing-md) 0;

  border-top: 1px solid var(--color-border);

}



.footer-content {

  display: flex;

  justify-content: space-between;

  align-items: center;

  flex-wrap: wrap;

  gap: var(--spacing-sm);

}



.footer-content p {

  color: var(--color-text-tertiary);

  font-size: 0.9375rem;

}



.footer-links {

  display: flex;

  gap: var(--spacing-md);

}



.footer-links a {

  color: var(--color-text-secondary);

  text-decoration: none;

  font-size: 0.9375rem;

  transition: color var(--transition-fast);

}



.footer-links a:hover {

  color: var(--color-accent);

}



/* Animations */

@keyframes fadeInUp {

  from {

    opacity: 0;

    transform: translateY(30px);

  }

  to {

    opacity: 1;

    transform: translateY(0);

  }

}



.fade-in {

  animation: fadeInUp 0.8s ease forwards;

}



.fade-in-delay-1 {

  animation: fadeInUp 0.8s ease 0.2s forwards;

  opacity: 0;

}



.fade-in-delay-2 {

  animation: fadeInUp 0.8s ease 0.4s forwards;

  opacity: 0;

}



.fade-in-delay-3 {

  animation: fadeInUp 0.8s ease 0.6s forwards;

  opacity: 0;

}



.fade-in-delay-4 {

  animation: fadeInUp 0.8s ease 0.8s forwards;

  opacity: 0;

}



.timeline-item:nth-child(1) {

  animation-delay: 0.1s;

}



.timeline-item:nth-child(2) {

  animation-delay: 0.2s;

}



.timeline-item:nth-child(3) {

  animation-delay: 0.3s;

}



.project-card:nth-child(1) {

  animation-delay: 0.1s;

}



.project-card:nth-child(2) {

  animation-delay: 0.2s;

}



.project-card:nth-child(3) {

  animation-delay: 0.3s;

}



.project-card:nth-child(4) {

  animation-delay: 0.4s;

}



/* Responsive Design */

@media (max-width: 768px) {

  .nav-menu {

    position: fixed;

    top: 70px;

    left: 0;

    right: 0;

    background-color: var(--color-bg);

    flex-direction: column;

    padding: var(--spacing-md);

    border-bottom: 1px solid var(--color-border);

    transform: translateY(-100%);

    opacity: 0;

    transition: all var(--transition-base);

    pointer-events: none;

  }



  .nav-menu.active {

    transform: translateY(0);

    opacity: 1;

    pointer-events: all;

  }



  .nav-toggle {

    display: flex;

  }



  .hero {

    padding: var(--spacing-lg) var(--spacing-md);

  }



  .hero-cta {

    flex-direction: column;

  }



  .btn {

    width: 100%;

    text-align: center;

  }



  .timeline-item {

    grid-template-columns: 1fr;

  }



  .timeline-date {

    padding-top: 0;

  }



  .projects-grid {

    grid-template-columns: 1fr;

  }



  .contact-info {

    grid-template-columns: 1fr;

  }



  .footer-content {

    flex-direction: column;

    text-align: center;

  }

}



@media (min-width: 769px) and (max-width: 1024px) {

  .projects-grid {

    grid-template-columns: repeat(2, 1fr);

  }

}



/* Smooth Scrolling Enhancements */

@media (prefers-reduced-motion: reduce) {

  *,

  *::before,

  *::after {

    animation-duration: 0.01ms !important;

    animation-iteration-count: 1 !important;

    transition-duration: 0.01ms !important;

  }

}