/* ============================================
   GLOBAL STYLES & DESIGN TOKENS
   ============================================ */

:root {
  /* Color Palette - Dark Violet Tech Style */
  --color-primary: #9333ea; /* Violet */
  --color-secondary: #7c3aed; /* Deep Violet */
  --color-accent: #a78bfa; /* Light Violet */
  --color-bg-primary: #0f0f1e; /* Very Dark Blue */
  --color-bg-secondary: #1a1a2e; /* Dark Blue-Gray */
  --color-text-primary: #e4e4e7; /* Light Gray */
  --color-text-secondary: #a1a1aa; /* Medium Gray */
  --color-border: #27272a; /* Dark Border */

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-base);
}

/* Reduce Motion Support */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ============================================
   PARTICLE CANVAS
   ============================================ */

#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(15, 15, 30, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand .logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
  transition: transform var(--transition-fast);
}

.nav-brand .logo:hover {
  transform: scale(1.05);
}

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

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: var(--spacing-sm);
  margin: calc(var(--spacing-sm) * -1);
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: 60px;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  z-index: 10;
  max-width: 600px;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.profile-section {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.profile-image-container {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-primary);
  box-shadow: 0 8px 32px rgba(147, 51, 234, 0.3);
  animation: fadeInDown 0.8s ease-out backwards;
}

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

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

.greeting h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.wave {
  display: inline-block;
  animation: wave 2s ease-in-out infinite;
}

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

@keyframes wave {
  0%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(15deg);
  }
  75% {
    transform: rotate(-15deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .wave {
    animation: none;
  }
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.typing-container {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  text-align: left;
  min-height: 60px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.typing-text {
  color: var(--color-text-primary);
}

.typing-cursor {
  display: inline-block;
  color: var(--color-primary);
  animation: blink 1s infinite;
  font-weight: bold;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .typing-cursor {
    animation: none;
    opacity: 1;
  }
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 8px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(147, 51, 234, 0.3);
}

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

.btn-secondary:hover {
  background-color: rgba(147, 51, 234, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-tertiary {
  background-color: rgba(147, 51, 234, 0.15);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-tertiary:hover {
  background-color: rgba(147, 51, 234, 0.25);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-indicator {
    animation: none;
  }
}

.scroll-indicator span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.chevron {
  width: 20px;
  height: 20px;
  border-bottom: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
  padding: var(--spacing-2xl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

/* Stats Section */
.stats-section {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-container {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.stat-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Skills Preview */
.skills-preview {
  text-align: center;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.skill-tag {
  background-color: rgba(147, 51, 234, 0.1);
  color: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid rgba(147, 51, 234, 0.3);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background-color: rgba(147, 51, 234, 0.2);
  border-color: var(--color-primary);
}

.view-all {
  color: var(--color-primary);
  font-weight: 600;
  transition: all var(--transition-fast);
}

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

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.project-card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(147, 51, 234, 0.2);
}

.project-tag {
  display: inline-block;
  background-color: rgba(147, 51, 234, 0.2);
  color: var(--color-primary);
  padding: 2px var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  width: fit-content;
}

.project-card h3 {
  margin-bottom: var(--spacing-sm);
}

.project-card p {
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.project-link {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

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

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.social-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
    --spacing-2xl: 2rem;
  }

  .nav-menu {
    gap: var(--spacing-md);
  }

  .nav-link {
    font-size: 0.875rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu.active {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 50px;
  }

  .greeting h1 {
    font-size: var(--font-size-2xl);
  }

  .subtitle {
    font-size: var(--font-size-base);
  }

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

  .btn {
    width: 100%;
  }

  .skills-grid {
    justify-content: flex-start;
  }

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

  section {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
  }

  body {
    font-size: 0.9rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
  }

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

  .nav-menu.active {
    padding: var(--spacing-md);
  }

  .typing-container {
    font-size: 0.75rem;
    padding: var(--spacing-sm);
  }

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