:root {
  --cyber-green: #00ff41;
  --cyber-red: #ff0040;
  --cyber-blue: #00d9ff;
  --cyber-orange: #ffa500;
  --dark-bg: #0a0e27;
  --card-bg: #151934;
  --text-primary: #e0e0e0;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Matrix Canvas */
#matrixCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.2;
  z-index: 0;
}

/* Score Badge */
.score-badge {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  background: var(--card-bg);
  border: 2px solid var(--cyber-green);
  border-radius: 8px;
  padding: 0.75rem;
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.score-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.score-icon {
  color: var(--cyber-green);
}

.score-text {
  font-family: "JetBrains Mono", "Courier New", monospace;
  color: var(--cyber-green);
  font-weight: bold;
  font-size: 0.9rem;
}

.access-level {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-blue);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  z-index: 10;
  padding: 6rem 1rem 4rem;
  text-align: center;
  background: linear-gradient(
    135deg,
    rgba(10, 14, 39, 0.95),
    rgba(21, 25, 52, 0.95)
  );
  border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.hero-section::before {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(0, 255, 65, 0.05) 50%,
    transparent 70%
  );
  animation: heroSweep 10s linear infinite;
  pointer-events: none;
}

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

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

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid var(--cyber-green);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--cyber-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 10px var(--cyber-green);
  }
  50% {
    opacity: 0.5;
    box-shadow: 0 0 5px var(--cyber-green);
  }
}

.hero-title {
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  color: var(--cyber-green);
  text-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-blue);
  font-size: clamp(1rem, 3vw, 1.2rem);
  margin-bottom: 1.5rem;
}

.hero-description {
  color: var(--text-primary);
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  font-size: clamp(0.9rem, 2vw, 1rem);
}

.hero-tip {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-orange);
  font-size: 0.85rem;
}

/* Main Content */
.main-content {
  position: relative;
  z-index: 10;
  max-w: 1200px;
  margin: 0 auto;
  padding: 3rem 1rem;
}

/* Section Title */
.section-title {
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--cyber-green);
  text-align: center;
  margin-bottom: 3rem;
  text-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.title-prefix {
  color: var(--cyber-blue);
  margin-right: 0.5rem;
}

/* Terminal Section */
.terminal-section {
  margin-bottom: 4rem;
}

.terminal-container {
  background: var(--card-bg);
  border: 2px solid rgba(0, 255, 65, 0.3);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.terminal-header {
  background: var(--dark-bg);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.terminal-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-green);
  font-size: 0.85rem;
}

.terminal-title svg {
  color: var(--cyber-green);
}

.terminal-buttons {
  display: flex;
  gap: 0.5rem;
}

.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-btn.red {
  background: var(--cyber-red);
}
.terminal-btn.yellow {
  background: var(--cyber-orange);
}
.terminal-btn.green {
  background: var(--cyber-green);
}

.terminal-body {
  padding: 1.5rem;
  min-height: 400px;
  max-height: 500px;
  overflow-y: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  line-height: 1.6;
}

.terminal-body::-webkit-scrollbar {
  width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

.terminal-body::-webkit-scrollbar-thumb {
  background: var(--cyber-green);
  border-radius: 4px;
}

.terminal-welcome {
  color: var(--cyber-green);
  margin-bottom: 1.5rem;
  white-space: pre-wrap;
}

#terminalHistory {
  margin-bottom: 1rem;
}

.terminal-entry {
  margin-bottom: 0.75rem;
}

.terminal-input-text {
  color: var(--cyber-blue);
}

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

.terminal-output {
  white-space: pre-wrap;
  margin-top: 0.25rem;
}

.terminal-input-line {
  display: flex;
  align-items: center;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--cyber-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  caret-color: var(--cyber-green);
}

.terminal-input::placeholder {
  color: rgba(0, 217, 255, 0.3);
}

/* Skills Section */
.skills-section {
  margin-bottom: 4rem;
}

.skills-grid {
  display: grid;
  gap: 1.5rem;
}

.skill-category {
  background: var(--card-bg);
  border: 1px solid rgba(0, 255, 65, 0.2);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.skill-category:hover {
  border-color: var(--cyber-green);
  box-shadow: 0 8px 24px rgba(0, 255, 65, 0.2);
}

.skill-category-title {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-green);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.skill-item {
  margin-bottom: 1rem;
}

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.skill-name {
  font-family: "JetBrains Mono", monospace;
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-percentage {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-blue);
  font-size: 0.85rem;
}

.skill-bar-container {
  height: 8px;
  background: var(--dark-bg);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--cyber-green), var(--cyber-blue));
  border-radius: 4px;
  transition: width 1s ease-out;
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

/* Projects Section */
.projects-section {
  margin-bottom: 4rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid rgba(0, 255, 65, 0.2);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--cyber-green),
    transparent
  );
  animation: borderScan 3s linear infinite;
}

@keyframes borderScan {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.project-card:hover {
  border-color: var(--cyber-green);
  box-shadow: 0 8px 24px rgba(0, 255, 65, 0.2);
  transform: translateY(-4px);
}

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

.project-title {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-green);
  font-size: 1rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.project-card:hover .project-title {
  color: var(--cyber-blue);
}

.project-status {
  padding: 0.25rem 0.75rem;
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid var(--cyber-green);
  border-radius: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--cyber-green);
  white-space: nowrap;
}

.project-description {
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag {
  padding: 0.25rem 0.75rem;
  background: var(--dark-bg);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--cyber-blue);
}

.project-link {
  color: var(--cyber-blue);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

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

/* Blog Section */
.blog-section {
  margin-bottom: 4rem;
}

.blog-grid {
  display: grid;
  gap: 1.5rem;
}

.loading-text {
  text-align: center;
  color: var(--cyber-blue);
  font-family: "JetBrains Mono", monospace;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid rgba(0, 255, 65, 0.2);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.blog-card:hover {
  border-color: var(--cyber-green);
  box-shadow: 0 8px 24px rgba(0, 255, 65, 0.2);
}

.blog-title {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-green);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.blog-date {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-blue);
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.blog-excerpt {
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.blog-link {
  color: var(--cyber-blue);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.blog-link:hover {
  color: var(--cyber-green);
}

/* Contact Section */
.contact-section {
  margin-bottom: 2rem;
}

.contact-card {
  background: var(--card-bg);
  border: 2px solid var(--cyber-green);
  border-radius: 8px;
  padding: 3rem 2rem;
  text-align: center;
}

.contact-title {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-green);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-description {
  color: var(--text-primary);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.contact-description strong {
  color: var(--cyber-blue);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.social-link {
  color: var(--cyber-blue);
  transition: all 0.3s ease;
}

.social-link:hover {
  color: var(--cyber-green);
  transform: scale(1.1);
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--cyber-green);
  color: var(--dark-bg);
  font-family: "JetBrains Mono", monospace;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
}

.cta-button:hover {
  background: var(--cyber-blue);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid rgba(0, 255, 65, 0.2);
}

.footer p {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyber-blue);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  /* Hero Section Mobile */
  .hero-section {
    padding: 3rem 1rem 2rem;
  }

  .status-indicator {
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }

  .hero-title {
    font-size: 2rem;
    margin-bottom: 0.8rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
    margin-bottom: 1rem;
  }

  .hero-description {
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 0 0.5rem;
  }

  .hero-tip {
    font-size: 0.75rem;
    padding: 0 1rem;
  }

  /* Score Badge Mobile */
  .score-badge {
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.5rem;
    font-size: 0.75rem;
  }

  .score-text {
    font-size: 0.75rem;
  }

  .access-level {
    font-size: 0.65rem;
  }

  /* Main Content Mobile */
  .main-content {
    padding: 1.5rem 0.75rem;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
  }

  /* Terminal Mobile */
  .terminal-container {
    border-radius: 6px;
  }

  .terminal-header {
    padding: 0.5rem 0.75rem;
  }

  .terminal-title {
    font-size: 0.7rem;
  }

  .terminal-btn {
    width: 10px;
    height: 10px;
  }

  .terminal-body {
    padding: 1rem;
    min-height: 250px;
    max-height: 350px;
    font-size: 0.7rem;
    line-height: 1.4;
  }

  .terminal-welcome {
    font-size: 0.7rem;
    margin-bottom: 1rem;
  }

  .terminal-input {
    font-size: 0.7rem;
  }

  /* Skills Mobile */
  .skill-category {
    padding: 1rem;
  }

  .skill-category-title {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
  }

  .skill-name {
    font-size: 0.75rem;
  }

  .skill-percentage {
    font-size: 0.75rem;
  }

  .skill-bar-container {
    height: 6px;
  }

  /* Projects Mobile */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-card {
    padding: 1.2rem;
  }

  .project-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .project-title {
    font-size: 0.9rem;
  }

  .project-status {
    font-size: 0.65rem;
    padding: 0.2rem 0.6rem;
  }

  .project-description {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .project-tag {
    font-size: 0.65rem;
    padding: 0.2rem 0.6rem;
  }

  .project-link {
    font-size: 0.75rem;
  }

  /* Blog Mobile */
  .blog-card {
    padding: 1.2rem;
  }

  .blog-title {
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .blog-date {
    font-size: 0.7rem;
  }

  .blog-excerpt {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .blog-link {
    font-size: 0.75rem;
  }

  .blog-tags {
    margin-top: 0.75rem;
    gap: 0.4rem;
  }

  .blog-tag {
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
  }

  /* Contact Mobile */
  .contact-card {
    padding: 1.5rem 1rem;
  }

  .contact-title {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
  }

  .contact-description {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .social-links {
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .social-link svg {
    width: 20px;
    height: 20px;
  }

  .cta-button {
    padding: 0.8rem 1.5rem;
    font-size: 0.85rem;
  }

  /* Footer Mobile */
  .footer {
    padding: 1.5rem 1rem;
  }

  .footer p {
    font-size: 0.75rem;
    line-height: 1.6;
  }

  /* Scroll to top button */
  .scroll-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.75rem;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .terminal-body {
    min-height: 200px;
    max-height: 300px;
    font-size: 0.65rem;
  }

  .contact-title {
    font-size: 1.2rem;
  }

  .cta-button {
    padding: 0.7rem 1.2rem;
    font-size: 0.8rem;
  }
}

/* Landscape mobile devices */
@media (max-width: 896px) and (orientation: landscape) {
  .hero-section {
    padding: 2rem 1rem;
  }

  .terminal-body {
    max-height: 250px;
  }
}

/* Tablet devices */
@media (min-width: 769px) and (max-width: 1024px) {
  .main-content {
    padding: 2.5rem 2rem;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .terminal-body {
    font-size: 0.8rem;
  }
}

/* Large tablets and small desktops */
@media (min-width: 1025px) and (max-width: 1280px) {
  .main-content {
    max-width: 1000px;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  a,
  button,
  .terminal-input,
  .project-card,
  .blog-card {
    min-height: 44px;
    min-width: 44px;
  }

  /* Remove hover effects on touch devices */
  .card:hover,
  .project-card:hover,
  .blog-card:hover {
    transform: none;
  }

  /* Better tap feedback */
  .card:active,
  .project-card:active,
  .blog-card:active {
    opacity: 0.9;
  }
}

/* Prevent text selection on interactive elements */
.terminal-header,
.score-badge,
.terminal-btn {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Improve text readability on mobile */
@media (max-width: 768px) {
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }

  /* Prevent horizontal scroll */
  body,
  html {
    overflow-x: hidden;
    width: 100%;
  }

  * {
    max-width: 100%;
  }
}

/* Safe area for notched devices (iPhone X, etc) */
@supports (padding: max(0px)) {
  .main-content {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }

  .hero-section {
    padding-top: max(3rem, env(safe-area-inset-top));
  }

  .footer {
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }
}