/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors */
  --color-primary: #007acc;
  --color-primary-light: #00aaff;
  --color-primary-dark: #005a9c;
  --color-accent: #ff6b6b;
  --color-accent-alt: #4ecdc4;

  /* Background Colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2a2a2a;
  --bg-tertiary: #333;

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #ccc;
  --text-muted: #888;
  --text-disabled: #666;

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

  /* Font Sizes */
  --font-size-xs: 0.8rem;
  --font-size-sm: 0.9rem;
  --font-size-base: 1rem;
  --font-size-md: 1.1rem;
  --font-size-lg: 1.3rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 15px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Z-index layers */
  --z-background: -2;
  --z-background-effects: -1;
  --z-content: 1;
  --z-effects: 1000;
  --z-modal: 10000;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #1a1a1a;
  color: #ffffff;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  cursor: none;
}

/* Custom Cursor */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  background: radial-gradient(
    circle,
    rgba(0, 122, 204, 0.8) 0%,
    rgba(0, 122, 204, 0.4) 50%,
    transparent 100%
  );
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease;
  mix-blend-mode: difference;
}

.custom-cursor-trail {
  position: fixed;
  width: 8px;
  height: 8px;
  background: rgba(0, 122, 204, 0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transition: all 0.3s ease;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, #333 1px, transparent 1px);
  background-size: 30px 30px;
  background-position:
    0 0,
    15px 15px;
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
  animation: gridMove 20s linear infinite;
}

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

/* Animated gradient background */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(-45deg, #1a1a1a, #2a2a2a, #1a1a1a, #333);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  z-index: -2;
  pointer-events: none;
}

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

/* Main container */
.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 2rem;
}

/* Avatar Section */
.avatar-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
  filter: drop-shadow(0 0 20px rgba(0, 122, 204, 0.3));
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2a2a2a, #1a1a1a);
  border: 3px solid #333;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 0 0 rgba(0, 122, 204, 0.4),
    inset 0 0 20px rgba(0, 122, 204, 0.1);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  transform-style: preserve-3d;
}

.avatar::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(45deg, #007acc, #00aaff, #007acc, #00aaff);
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: rotate 3s linear infinite;
}

.avatar:hover::before {
  opacity: 1;
}

.avatar:hover {
  transform: scale(1.1) rotateY(10deg) rotateX(5deg);
  box-shadow:
    0 15px 50px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(0, 122, 204, 0.6),
    inset 0 0 30px rgba(0, 122, 204, 0.2);
  border-color: #007acc;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Profile Image */
.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  animation:
    sway 45s ease-in-out infinite,
    pulseSlow 6s ease-in-out infinite;
}

@keyframes sway {
  0% {
    transform: rotate(-10deg);
  }
  50% {
    transform: rotate(10deg);
  }
  100% {
    transform: rotate(-10deg);
  }
}

@keyframes pulseSlow {
  0%,
  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 rgba(0, 122, 204, 0));
  }
  50% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(0, 122, 204, 0.25));
  }
}

/* Brand Name */
.brand-name {
  font-size: 2.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, #ffffff, #007acc, #00aaff, #ff6b6b, #4ecdc4);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  animation:
    gradientText 4s ease infinite,
    neonPulse 2s ease-in-out infinite alternate;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-shadow:
    0 0 5px rgba(0, 122, 204, 0.5),
    0 0 10px rgba(0, 122, 204, 0.3),
    0 0 15px rgba(0, 122, 204, 0.2);
  position: relative;
}

.brand-name:hover {
  transform: scale(1.1) rotateX(5deg);
  filter: drop-shadow(0 0 20px rgba(0, 122, 204, 0.8));
  text-shadow:
    0 0 10px rgba(0, 122, 204, 0.8),
    0 0 20px rgba(0, 122, 204, 0.6),
    0 0 30px rgba(0, 122, 204, 0.4);
}

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

@keyframes neonPulse {
  0% {
    filter: drop-shadow(0 0 5px rgba(0, 122, 204, 0.5));
    text-shadow:
      0 0 5px rgba(0, 122, 204, 0.5),
      0 0 10px rgba(0, 122, 204, 0.3),
      0 0 15px rgba(0, 122, 204, 0.2);
  }
  100% {
    filter: drop-shadow(0 0 15px rgba(0, 122, 204, 0.8));
    text-shadow:
      0 0 10px rgba(0, 122, 204, 0.8),
      0 0 20px rgba(0, 122, 204, 0.6),
      0 0 30px rgba(0, 122, 204, 0.4);
  }
}

/* Tagline */
.tagline {
  font-size: 1.1rem;
  color: #888;
  text-align: center;
  font-weight: 400;
  margin-bottom: 2rem;
  position: relative;
  animation: fadeInUp 1s ease 0.8s both;
}

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

/* About Section */
.about-section {
  max-width: 600px;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  animation: slideInLeft 1s ease 1s both;
}

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

.about-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #ccc;
  font-weight: 400;
}

.not-for-hire-note {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: rgba(128, 128, 128, 0.5);
  opacity: 0;
  animation: fadeInOpacity 0.3s ease forwards;
  animation-delay: 10s;
}

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

/* Navigation */
.navigation {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  align-items: center;
  animation: slideInRight 1s ease 1.2s both;
}

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

.nav-button {
  background: linear-gradient(135deg, #2a2a2a, #1a1a1a);
  border: 2px solid #333;
  border-radius: 12px;
  padding: 1rem 2rem;
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 140px;
  text-align: center;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: inline-block;
  box-shadow:
    0 4px 15px rgba(0, 0, 0, 0.2),
    0 0 0 0 rgba(0, 122, 204, 0.3);
  transform-style: preserve-3d;
}

.nav-button::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 122, 204, 0.3), transparent);
  transition: left 0.6s ease;
}

.nav-button:hover::after {
  left: 100%;
}

.nav-button.active {
  background: #333;
  border-color: #444;
}

.nav-button::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: left 0.5s ease;
}

.nav-button:hover::before {
  left: 100%;
}

.nav-button:hover {
  background: linear-gradient(135deg, #333, #2a2a2a);
  border-color: #007acc;
  transform: translateY(-5px) scale(1.05) rotateX(5deg);
  box-shadow:
    0 15px 40px rgba(0, 122, 204, 0.4),
    0 0 20px rgba(0, 122, 204, 0.6);
  text-shadow: 0 0 10px rgba(0, 122, 204, 0.8);
}

.nav-button:active {
  transform: translateY(0);
}

/* Disclaimer */
.disclaimer {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  color: #666;
  font-size: 0.9rem;
  font-style: italic;
}

.disclaimer p {
  margin: 0;
}

/* Content Sections */
.content-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.content-section.active {
  display: flex;
  opacity: 1;
}

.content-wrapper {
  max-width: 800px;
  padding: 2rem;
  text-align: center;
}

.content-wrapper h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: #ffffff;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background: #2a2a2a;
  border: 2px solid #333;
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: #444;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.project-card h3 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.project-card p {
  color: #ccc;
  line-height: 1.6;
}

.github-link {
  text-decoration: none;
  display: inline-block;
  margin-top: 2rem;
}

.github-button {
  background: #333;
  border: 2px solid #444;
  border-radius: 12px;
  padding: 1rem 2rem;
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
}

.github-button:hover {
  background: #444;
  border-color: #555;
  transform: translateY(-2px);
}

.contact-info {
  margin-top: 2rem;
}

.contact-methods {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.contact-link {
  color: #ffffff;
  text-decoration: none;
  padding: 1rem 2rem;
  border: 2px solid #333;
  border-radius: 12px;
  background: #2a2a2a;
  transition: all 0.3s ease;
  font-weight: 500;
}

.contact-link:hover {
  background: #333;
  border-color: #444;
  transform: translateY(-2px);
}

/* Projects Page Specific Styles */
.projects-main-content {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  overflow-y: auto;
  padding: 2rem 0;
}

.projects-intro {
  color: #ccc;
  font-size: 1.2rem;
  margin-bottom: 3rem;
  text-align: center;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.tech-tag {
  background: #333;
  color: #ffffff;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid #444;
}

.project-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.project-link {
  color: #ffffff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid #333;
  border-radius: 8px;
  background: #2a2a2a;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.project-link:hover {
  background: #333;
  border-color: #444;
  transform: translateY(-1px);
}

.contact-message {
  font-size: 1.5rem;
  color: #ffffff;
  font-weight: 500;
  text-align: center;
  margin-top: 2rem;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.skill-category {
  background: #2a2a2a;
  border: 2px solid #333;
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-5px);
  border-color: #444;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skill-category h3 {
  color: #ffffff;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  text-align: center;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.skill-tag {
  background: linear-gradient(135deg, #333, #444);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid #555;
  transition: all 0.3s ease;
}

.skill-tag:hover {
  background: linear-gradient(135deg, #444, #555);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Featured Project Styles */
.project-card.featured {
  border: 2px solid #007acc;
  background: linear-gradient(135deg, #2a2a2a, #1f1f1f);
  position: relative;
  overflow: hidden;
}

.project-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #007acc, #00aaff, #007acc);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.featured-badge {
  background: linear-gradient(135deg, #007acc, #00aaff);
  color: #ffffff;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Close button for content sections */
.close-button {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: #666;
  font-size: 2rem;
  cursor: pointer;
  transition: color 0.3s ease;
  z-index: 1001;
}

.close-button:hover {
  color: #ffffff;
  transform: scale(1.1);
}

/* Scroll Animation Classes */
.animate-in {
  animation: slideInUp 0.6s ease forwards;
}

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

/* Enhanced hover effects */
.project-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Improved tech tag styling */
.tech-tag {
  background: linear-gradient(135deg, #333, #444);
  color: #ffffff;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid #444;
  transition: all 0.3s ease;
  display: inline-block;
}

.tech-tag:hover {
  background: linear-gradient(135deg, #444, #555);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  .avatar-section {
    margin-bottom: 2rem;
  }

  .navigation {
    align-items: center;
  }

  .brand-name {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .about-text {
    font-size: 1rem;
  }

  .nav-button {
    min-width: 120px;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }

  .content-wrapper {
    padding: 1rem;
  }

  .content-wrapper h2 {
    font-size: 2rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .contact-methods {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .disclaimer {
    bottom: 1rem;
    left: 1rem;
    font-size: 0.8rem;
  }

  .close-button {
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .avatar {
    width: 100px;
    height: 100px;
  }

  .mug {
    width: 50px;
    height: 42px;
  }

  .mug-body {
    width: 42px;
    height: 34px;
  }

  .brand-name {
    font-size: 1.8rem;
  }

  .nav-button {
    min-width: 100px;
    padding: 0.7rem 1.2rem;
    font-size: 0.9rem;
  }
}
/* Popup styles */
.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(26, 26, 26, 0.95);
  padding: 20px 40px;
  border-radius: 12px;
  border: 2px solid #333;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.popup-content {
  color: #ffffff;
  font-size: 1.1rem;
  text-align: center;
}