/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
  /* Colors */
  --bg-color: #050505;
  --bg-color-light: #111;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  
  /* Neon Colors */
  --neon-blue: #00f3ff;
  --neon-purple: #bc13fe;
  --neon-pink: #ff0055;
  
  /* Fonts */
  --font-main: 'Inter', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Offset for fixed navbar */
}

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

#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-normal);
}

ul {
  list-style: none;
}

/* ==========================================================================
   Neon Text Utilities & Glow Effects
   ========================================================================== */
.neon-text-blue {
  color: var(--neon-blue);
  text-shadow: 0 0 5px rgba(0, 243, 255, 0.5), 0 0 15px rgba(0, 243, 255, 0.3);
}

.neon-text-purple {
  color: var(--neon-purple);
  text-shadow: 0 0 5px rgba(188, 19, 254, 0.5), 0 0 15px rgba(188, 19, 254, 0.3);
}

.neon-text-pink {
  color: var(--neon-pink);
  text-shadow: 0 0 5px rgba(255, 0, 85, 0.5), 0 0 15px rgba(255, 0, 85, 0.3);
}

/* Gradient Neon Borders */
.neon-gradient-border {
  position: relative;
  background: var(--bg-color-light);
  border-radius: 8px;
  background-clip: padding-box;
  border: solid 2px transparent;
  transition: all var(--transition-normal);
}

.neon-gradient-border::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: -1;
  margin: -2px; /* same as border width */
  border-radius: inherit;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
  background-size: 200% 200%;
  animation: gradientBG 5s ease infinite;
  opacity: 0.5;
  transition: opacity var(--transition-normal);
}

.neon-gradient-border:hover::before {
  opacity: 1;
  box-shadow: 0 0 20px rgba(188, 19, 254, 0.5);
}

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

/* ==========================================================================
   Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo a {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue);
  transition: width var(--transition-normal);
}

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

.nav-link:hover, .nav-link.active {
  color: var(--neon-blue);
}

/* Hamburger */
.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: all var(--transition-normal);
  background-color: var(--text-primary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.neon-btn-blue {
  background: transparent;
  color: var(--neon-blue);
  border: 1px solid var(--neon-blue);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.2), inset 0 0 10px rgba(0, 243, 255, 0.1);
}

.neon-btn-blue:hover {
  background: var(--neon-blue);
  color: var(--bg-color);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.6), 0 0 40px rgba(0, 243, 255, 0.4);
}

.neon-btn-outline-pink {
  background: transparent;
  color: var(--neon-pink);
  border: 1px solid var(--neon-pink);
  box-shadow: 0 0 10px rgba(255, 0, 85, 0.2), inset 0 0 10px rgba(255, 0, 85, 0.1);
}

.neon-btn-outline-pink:hover {
  background: var(--neon-pink);
  color: white;
  box-shadow: 0 0 20px rgba(255, 0, 85, 0.6), 0 0 40px rgba(255, 0, 85, 0.4);
}

.neon-btn-purple {
  background: var(--bg-color);
  color: var(--neon-purple);
  border: 1px solid var(--neon-purple);
  box-shadow: 0 0 10px rgba(188, 19, 254, 0.2), inset 0 0 10px rgba(188, 19, 254, 0.1);
}

.neon-btn-purple:hover {
  background: var(--neon-purple);
  color: white;
  box-shadow: 0 0 20px rgba(188, 19, 254, 0.6);
}

/* ==========================================================================
   Global Section Styles
   ========================================================================== */
main {
  width: 100%;
}

section {
  padding: 100px 5%;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--text-secondary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  align-items: flex-start;
}

.greeting {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.name {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.tagline {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.short-intro {
  max-width: 600px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.cta-group {
  display: flex;
  gap: 1.5rem;
}

/* Hero Background Animations */
.bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  opacity: 0.4;
  animation: float 10s infinite alternate;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--neon-blue);
  top: 10%;
  right: 10%;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: var(--neon-purple);
  bottom: 0;
  left: -20%;
  animation-delay: -5s;
}

@keyframes float {
  0% { transform: translate(0, 0); }
  100% { transform: translate(30px, -50px); }
}

@keyframes pulse-glow {
  0% { text-shadow: 0 0 5px rgba(0, 243, 255, 0.5); }
  50% { text-shadow: 0 0 20px rgba(0, 243, 255, 0.9), 0 0 30px rgba(0, 243, 255, 0.6); }
  100% { text-shadow: 0 0 5px rgba(0, 243, 255, 0.5); }
}

.glow-pulse {
  animation: pulse-glow 3s infinite;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-content {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.about-image-container {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-image-frame {
  width: 300px;
  height: 300px;
  border-radius: 12px;
  position: relative;
  background: var(--bg-color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--text-secondary);
  transition: var(--transition-normal);
  z-index: 1;
}

.neon-box-pink {
  box-shadow: 0 0 15px rgba(255, 0, 85, 0.3);
  border: 2px solid var(--neon-pink);
}

.about-image-container::after {
  content: '';
  position: absolute;
  top: 15px;
  left: 30px;
  width: 300px;
  height: 300px;
  border: 2px solid var(--neon-blue);
  border-radius: 12px;
  z-index: 0;
  transition: var(--transition-normal);
}

.about-image-container:hover .about-image-frame {
  transform: translate(-5px, -5px);
  box-shadow: 0 0 25px rgba(255, 0, 85, 0.6);
  color: var(--neon-pink);
}

.about-image-container:hover::after {
  transform: translate(5px, 5px);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-color-light);
  border-radius: 8px;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
  box-sizing: border-box;
}

/* Gradient border for projects */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover::before {
  opacity: 1;
  box-shadow: 0 0 10px rgba(188, 19, 254, 0.8);
}

/* Card hover glow classes */
.neon-card-purple:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(188, 19, 254, 0.2);
  border-color: rgba(188, 19, 254, 0.5);
}

.neon-card-blue:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 243, 255, 0.2);
  border-color: rgba(0, 243, 255, 0.5);
}

.neon-card-pink:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(255, 0, 85, 0.2);
  border-color: rgba(255, 0, 85, 0.5);
}

/* Project Icons */
.neon-card-purple .folder-icon { color: var(--neon-purple); }
.neon-card-blue .folder-icon { color: var(--neon-blue); }
.neon-card-pink .folder-icon { color: var(--neon-pink); }

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.folder-icon {
  font-size: 2.5rem;
}

.project-links a {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-left: 1rem;
}

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

.project-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.project-card:hover .project-title {
  color: var(--neon-blue); /* fallback */
}
.neon-card-purple:hover .project-title { color: var(--neon-purple); }
.neon-card-blue:hover .project-title { color: var(--neon-blue); }
.neon-card-pink:hover .project-title { color: var(--neon-pink); }

.project-description {
  color: var(--text-secondary);
  font-size: 1rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.project-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-heading);
}

/* ==========================================================================
   Skills Section
   ========================================================================== */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.skills-category h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill-tag {
  padding: 8px 16px;
  background: var(--bg-color-light);
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid;
  transition: all var(--transition-normal);
}

.neon-border-blue {
  border-color: rgba(0, 243, 255, 0.3);
  color: var(--text-primary);
}

.neon-border-blue:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
  color: var(--neon-blue);
}

.neon-border-purple {
  border-color: rgba(188, 19, 254, 0.3);
  color: var(--text-primary);
}

.neon-border-purple:hover {
  border-color: var(--neon-purple);
  box-shadow: 0 0 10px rgba(188, 19, 254, 0.3);
  color: var(--neon-purple);
}

/* Progress Bars */
.skill-bar-container {
  margin-bottom: 1.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  font-family: var(--font-heading);
}

.progress-line {
  height: 8px;
  width: 100%;
  background: var(--bg-color-light);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.progress-line span {
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  border-radius: 4px;
  transition: width 1s ease-in-out;
}

.progress-purple {
  background: var(--neon-purple);
  box-shadow: 0 0 10px var(--neon-purple);
}

.progress-pink {
  background: var(--neon-pink);
  box-shadow: 0 0 10px var(--neon-pink);
}

.progress-blue {
  background: var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact-item i {
  font-size: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--bg-color-light);
  font-size: 1.2rem;
  transition: all var(--transition-normal);
}

.neon-icon-blue:hover {
  background: var(--neon-blue);
  color: var(--bg-color);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.6);
}

.neon-icon-purple:hover {
  background: var(--neon-purple);
  color: white;
  box-shadow: 0 0 15px rgba(188, 19, 254, 0.6);
}

.neon-icon-pink:hover {
  background: var(--neon-pink);
  color: white;
  box-shadow: 0 0 15px rgba(255, 0, 85, 0.6);
}

.contact-form {
  background: var(--bg-color-light);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.form-control {
  width: 100%;
  padding: 15px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form-control:focus {
  outline: none;
}

.neon-input-focus:focus {
  border-color: var(--neon-purple);
  box-shadow: 0 0 10px rgba(188, 19, 254, 0.2);
}

.w-100 {
  width: 100%;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  padding: 2rem 5%;
  text-align: center;
  background: var(--bg-color-light);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================================================
   Responsive
   ========================================================================== */
@media screen and (max-width: 900px) {
  .about-content, .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .about-image-container {
    order: -1;
  }
  
  section {
    padding: 80px 5%;
  }
}

@media screen and (max-width: 768px) {
  .hamburger {
    display: block;
    z-index: 100;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--bg-color-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: 0.4s ease-in-out;
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  }

  .nav-links.active {
    right: 0;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .cta-group {
    flex-direction: column;
    width: 100%;
  }
  
  .cta-group .btn {
    width: 100%;
    text-align: center;
  }
}