@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css');

:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #111111;
  --text-primary: #e4e4e4;
  --text-secondary: #a0a0a0;
  --accent-green: #00ff88;
  --accent-cyan: #00d4ff;
  --accent-blue: #5b9fff;
  --accent-purple: #b794ff;
  --border-color: #1a1a1a;
  --terminal-green: #00ff88;
  --terminal-cyan: #00d4ff;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

.terminal-wrapper {
  min-height: 100vh;
  position: relative;
}

/* Interactive Background */
.interactive-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

#particleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: gridMove 20s linear infinite;
}

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

/* Navigation */
.terminal-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(25px);
  padding: 1.2rem 0;
  border-bottom: 1px solid rgba(0, 255, 136, 0.15);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  letter-spacing: 0.08em;
  padding: 0.5rem 0;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--terminal-green);
  transition: all 0.3s ease;
  box-shadow: 0 0 10px var(--terminal-green);
}

.nav-links a:hover {
  color: var(--terminal-green);
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.6);
}

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

.nav-links a:active {
  transform: scale(0.95);
}

.nav-links a.active {
  color: var(--terminal-green);
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.6);
}

.nav-links a.active::after {
  width: 100%;
}

.scroll-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--terminal-green);
  box-shadow: 0 0 10px var(--terminal-green);
  transition: width 0.1s ease;
  z-index: 1001;
}

/* Main Content */
.terminal-main {
  position: relative;
  z-index: 1;
  margin-top: 70px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 4rem 2rem;
}

/* Hero Section */
.hero-section {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 0;
  position: relative;
  animation: fadeInUp 1s ease;
}

.hero-flex-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  width: 100%;
  margin-top: 1rem;
}

.hero-content {
  flex: 1;
  max-width: 700px;
}

.hero-image-container {
  flex: 0 0 350px;
  position: relative;
  max-width: 350px;
  width: 100%;
  margin-top: 1rem;
}

.image-wrapper-rect {
  position: relative;
  border-radius: 4px;
  border-right: 2px solid var(--terminal-green);
  border-bottom: 2px solid var(--terminal-green);
  padding: 8px;
  background: rgba(0, 255, 136, 0.05);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
  transition: all 0.3s ease;
}

.image-wrapper-rect img {
  width: 100%;
  display: block;
  border-radius: 2px;
  filter: grayscale(100%);
  transition: all 0.3s ease;
}

.image-wrapper-rect:hover {
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
  transform: translateY(-5px);
}

.image-wrapper-rect:hover img {
  filter: none;
}


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

.terminal-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--terminal-green);
  box-shadow: 0 0 10px var(--terminal-green), 0 0 20px var(--terminal-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.watching {
  color: var(--terminal-cyan);
}

.terminal-prompt {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.prompt-user {
  color: var(--terminal-green);
}

.prompt-separator {
  color: var(--text-secondary);
}

.prompt-path {
  color: var(--terminal-cyan);
}

.prompt-char {
  color: var(--terminal-green);
  margin-left: 0.5rem;
}

.hero-name {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  margin: 1rem 0;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 1rem;
  font-family: var(--font-sans);
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
  letter-spacing: 0.02em;
}

.divider-line {
  font-size: 2rem;
  color: var(--terminal-green);
  margin: 1.5rem 0;
  opacity: 0.6;
  animation: pulse 2s infinite;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-primary);
  max-width: 700px;
  margin-bottom: 2rem;
  line-height: 1.8;
  font-family: var(--font-sans);
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-terminal {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid var(--terminal-green);
  color: var(--terminal-green);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-terminal:hover {
  background: var(--terminal-green);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.btn-secondary {
  border-color: var(--terminal-cyan);
  color: var(--terminal-cyan);
}

.btn-secondary:hover {
  background: var(--terminal-cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

/* Sections */
.section {
  margin: 8rem 0;
  padding: 2rem 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#contact.section {
  margin-bottom: 2rem;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 3rem;
}

.section-number {
  font-size: 1.5rem;
  color: var(--terminal-green);
  font-weight: 600;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-sans);
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

/* About Section */
.about-content {
  max-width: 900px;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 3rem;
  font-family: var(--font-sans);
  opacity: 0.95;
}

.tech-stack {
  margin-top: 3rem;
}

.tech-title {
  color: var(--text-primary);
  margin-bottom: 2rem;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 500;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: center;
}

.tech-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  text-align: center;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.tech-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
  transition: left 0.5s ease;
}

.tech-item:hover {
  border-color: var(--terminal-green);
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 255, 136, 0.3);
}

.tech-item:hover::before {
  left: 100%;
}

.tech-item:hover {
  color: var(--terminal-green);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

/* Neofetch Box */
.neofetch-box {
  margin-top: 4rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  max-width: 600px;
}

.neofetch-content {
  overflow-x: auto;
}

.neofetch-output {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre;
}

.neofetch-prompt {
  color: var(--terminal-green);
}

.neofetch-path {
  color: var(--terminal-cyan);
}

.neofetch-label {
  color: var(--text-secondary);
}

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

.cursor-blink {
  animation: blink 1s infinite;
  color: var(--terminal-green);
}

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

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

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  border-color: var(--terminal-green);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 65, 0.1);
}

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

.project-name {
  font-size: 1.6rem;
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-sans);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
  margin-bottom: 0.5rem;
}

.project-links {
  display: flex;
  gap: 0.5rem;
}

.project-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s ease;
}

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

.project-description {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-family: var(--font-sans);
  opacity: 0.9;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.project-tags span {
  background: rgba(0, 255, 65, 0.1);
  color: var(--terminal-green);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  border: 1px solid rgba(0, 255, 65, 0.2);
}

/* Experience Section */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 2rem;
}

.experience-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.experience-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 0;
  background: var(--terminal-cyan);
  transition: height 0.4s ease;
}

.experience-item:hover {
  border-color: var(--terminal-cyan);
  box-shadow: 0 15px 40px rgba(0, 217, 255, 0.15);
  transform: translateX(5px);
}

.experience-item:hover::before {
  height: 100%;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.experience-meta {
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.experience-title {
  font-size: 1.3rem;
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-sans);
}

.experience-date {
  color: var(--terminal-cyan);
  font-size: 0.9rem;
}

.experience-role {
  color: var(--terminal-green);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.4);
}

.experience-description {
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.7;
  font-family: var(--font-sans);
  opacity: 0.9;
}

.experience-contributions {
  list-style: none;
  margin-top: 1rem;
  padding-left: 0;
}

.experience-contributions li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  padding-left: 0;
  font-family: var(--font-sans);
}

/* Awards Section */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.award-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.award-card .award-link {
  margin-top: auto;
  align-self: flex-start;
}

.award-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 20px solid transparent;
  border-right: 20px solid var(--terminal-purple);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.award-card:hover {
  border-color: var(--terminal-purple);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(188, 140, 255, 0.15);
}

.award-card:hover::after {
  opacity: 0.3;
}

.award-title {
  font-size: 1.4rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
  text-shadow: 0 0 10px rgba(183, 148, 255, 0.2);
}

.award-year {
  color: var(--terminal-purple);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 1rem;
}

.award-description {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-family: var(--font-sans);
  opacity: 0.9;
}

.award-link {
  color: var(--terminal-purple);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.award-link:hover {
  color: var(--terminal-cyan);
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-intro {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-family: var(--font-sans);
  opacity: 0.9;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-primary);
  font-size: 1rem;
}

.contact-detail-item i {
  color: var(--terminal-green);
  font-size: 1.2rem;
  width: 24px;
}

.contact-detail-item a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-detail-item a:hover {
  color: var(--terminal-green);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.8rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.social-link i {
  color: var(--terminal-green);
  font-size: 1.2rem;
  width: 24px;
}

.social-link:hover {
  border-color: var(--terminal-green);
  background: rgba(0, 255, 136, 0.05);
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(0, 255, 136, 0.2);
}

.social-link:hover span {
  color: var(--terminal-green);
}

.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
}

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

.form-group label {
  display: block;
  color: var(--terminal-green);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--terminal-green);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
  background: rgba(0, 255, 136, 0.02);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff4444;
  box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.1);
}

.form-group input:valid:not(:placeholder-shown):not(.error),
.form-group textarea:valid:not(:placeholder-shown):not(.error) {
  border-color: var(--terminal-green);
}

.form-error {
  display: block;
  color: #ff4444;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  min-height: 1.2rem;
  font-family: var(--font-mono);
}

.form-success {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--terminal-green);
  border-radius: 6px;
  color: var(--terminal-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.btn-submit {
  width: 100%;
  text-align: center;
  font-size: 1rem;
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-submit i {
  transition: transform 0.3s ease;
}

.btn-submit:hover:not(:disabled) i {
  transform: translateX(5px);
}

.btn-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-submit:focus {
  outline: 2px solid var(--terminal-green);
  outline-offset: 2px;
}

/* Footer */
.terminal-footer {
  text-align: center;
  padding: 2rem 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.75rem;
  }

  .terminal-main {
    padding: 2rem 1rem;
  }

  .section {
    margin: 4rem 0;
  }

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

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

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

  .experience-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .tech-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.8rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .hero-name {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .tech-list {
    grid-template-columns: 1fr;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--terminal-green);
}