/* Import Roboto Mono font */
@import url("https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300;400;500;700&display=swap");

/* CSS Variables for theme support */
:root {
  /* Terminal Color Palette */
  --terminal-bg: #0a0a0a;
  --terminal-bg-secondary: #1a1a1a;
  --terminal-green: #00ff00;
  --terminal-green-bright: #00ff41;
  --terminal-green-dim: #00cc00;
  --terminal-green-dark: #008800;
  --terminal-text: #cccccc;
  --terminal-text-dim: #888888;
  --terminal-border: #333333;
  --terminal-shadow: rgba(0, 255, 0, 0.2);

  /* Spacing and sizing */
  --section-padding: 4rem 0;
  --container-max-width: 1200px;
  --border-radius: 4px;
  --transition-speed: 0.3s;

  /* Typography */
  --font-family: "Roboto Mono", "Courier New", monospace;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-h1: 2.5rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;
}

/* Light theme override (system preference) */
@media (prefers-color-scheme: light) {
  :root {
    --terminal-bg: #f5f5f5;
    --terminal-bg-secondary: #e8e8e8;
    --terminal-green: #006600;
    --terminal-green-bright: #008800;
    --terminal-green-dim: #004400;
    --terminal-green-dark: #002200;
    --terminal-text: #333333;
    --terminal-text-dim: #666666;
    --terminal-border: #cccccc;
    --terminal-shadow: rgba(0, 102, 0, 0.2);
  }
}

/* Manual theme override classes */
[data-theme="light"] {
  --terminal-bg: #f5f5f5;
  --terminal-bg-secondary: #e8e8e8;
  --terminal-green: #006600;
  --terminal-green-bright: #008800;
  --terminal-green-dim: #004400;
  --terminal-green-dark: #002200;
  --terminal-text: #333333;
  --terminal-text-dim: #666666;
  --terminal-border: #cccccc;
  --terminal-shadow: rgba(0, 102, 0, 0.2);
}

[data-theme="dark"] {
  --terminal-bg: #0a0a0a;
  --terminal-bg-secondary: #1a1a1a;
  --terminal-green: #00ff00;
  --terminal-green-bright: #00ff41;
  --terminal-green-dim: #00cc00;
  --terminal-green-dark: #008800;
  --terminal-text: #cccccc;
  --terminal-text-dim: #888888;
  --terminal-border: #333333;
  --terminal-shadow: rgba(0, 255, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family);
  line-height: var(--line-height-heading);
  color: var(--terminal-green-bright);
  margin-bottom: 1rem;
  font-weight: 500;
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 500;
}

h4 {
  font-size: var(--font-size-h4);
}

p {
  margin-bottom: 1rem;
  color: var(--terminal-text);
}

a {
  color: var(--terminal-green);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--terminal-green-bright);
  text-shadow: 0 0 5px var(--terminal-shadow);
}

/* Layout utilities */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--terminal-border);
}

.section:last-child {
  border-bottom: none;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--terminal-border);
  z-index: 1000;
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--terminal-green-bright);
  text-shadow: 0 0 10px var(--terminal-shadow);
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.navbar-nav a {
  font-size: var(--font-size-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-speed) ease;
  position: relative;
}

.navbar-nav a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--terminal-green);
  transition: width var(--transition-speed) ease;
}

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

/* Mobile menu */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--terminal-green);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--terminal-bg) 0%,
    var(--terminal-bg-secondary) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(
      circle at 25% 25%,
      var(--terminal-shadow) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 75%,
      var(--terminal-shadow) 0%,
      transparent 50%
    );
  opacity: 0.3;
  animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
  0% {
    opacity: 0.1;
  }
  100% {
    opacity: 0.3;
  }
}

.hero-content {
  z-index: 10;
  max-width: 800px;
  position: relative;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1rem;
  text-shadow: 0 0 20px var(--terminal-shadow);
}

.hero .subtitle {
  font-size: var(--font-size-large);
  color: var(--terminal-text-dim);
  margin-bottom: 2rem;
  font-weight: 300;
}

.typing-text {
  font-size: var(--font-size-large);
  color: var(--terminal-green);
  font-weight: 500;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background-color: var(--terminal-green);
  margin-left: 2px;
  animation: blink 1s infinite;
}

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

/* Hero buttons */
.hero-buttons {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: transparent;
  border: 2px solid var(--terminal-green);
  color: var(--terminal-green);
  font-family: var(--font-family);
  font-size: var(--font-size-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  text-decoration: none;
  border-radius: var(--border-radius);
  position: relative;
  z-index: 10;
}

.btn:hover {
  background-color: var(--terminal-green);
  color: var(--terminal-bg);
  box-shadow: 0 0 20px var(--terminal-shadow);
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--terminal-green);
  color: var(--terminal-bg);
}

.btn-primary:hover {
  background-color: var(--terminal-green-bright);
  border-color: var(--terminal-green-bright);
}

/* Grid system */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Cards */
.card {
  background-color: var(--terminal-bg-secondary);
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--terminal-green),
    var(--terminal-green-bright)
  );
  transform: scaleX(0);
  transition: transform var(--transition-speed) ease;
}

.card:hover {
  border-color: var(--terminal-green);
  box-shadow: 0 5px 20px var(--terminal-shadow);
  transform: translateY(-5px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  color: var(--terminal-green);
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--terminal-text-dim);
  font-size: var(--font-size-small);
}

/* Profile Image */
.profile-image-container {
  text-align: center;
  margin-bottom: 2rem;
}

.profile-image {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  border: 3px solid var(--terminal-green);
  box-shadow: 0 0 20px var(--terminal-shadow);
  object-fit: cover;
  transition: all var(--transition-speed) ease;
}

.profile-image:hover {
  border-color: var(--terminal-green-bright);
  box-shadow: 0 0 30px var(--terminal-shadow);
  transform: scale(1.05);
}

/* Skills section */
#skills h3 {
  margin-top: 3rem;
  margin-bottom: 1rem;
}

#skills h3:first-of-type {
  margin-top: 2rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.skill-item {
  text-align: center;
  padding: 1rem;
  background-color: var(--terminal-bg-secondary);
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  white-space: nowrap;
}

.skill-item:hover {
  border-color: var(--terminal-green);
  background-color: var(--terminal-bg);
  transform: translateY(-3px);
}

.skill-item .skill-name {
  font-size: var(--font-size-small);
  color: var(--terminal-green);
  font-weight: 500;
  margin-bottom: 0.5rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.skill-item .skill-level {
  font-size: 12px;
  color: var(--terminal-text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.2;
  white-space: nowrap;
}

/* Timeline for experience */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--terminal-green);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -40px;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--terminal-green);
  border: 3px solid var(--terminal-bg);
  z-index: 1;
}

.timeline-date {
  font-size: var(--font-size-small);
  color: var(--terminal-green);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.timeline-title {
  color: var(--terminal-green-bright);
  margin-bottom: 0.25rem;
}

.timeline-company {
  color: var(--terminal-text-dim);
  font-size: var(--font-size-small);
  margin-bottom: 1rem;
}

.timeline-description {
  color: var(--terminal-text);
  line-height: 1.6;
}

/* Projects section */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background-color: var(--terminal-bg-secondary);
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-speed) ease;
}

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

.project-image {
  width: 100%;
  height: 200px;
  background-color: var(--terminal-bg);
  border-bottom: 1px solid var(--terminal-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terminal-text-dim);
  font-size: var(--font-size-small);
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  color: var(--terminal-green-bright);
  margin-bottom: 0.5rem;
}

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

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

.tech-tag {
  background-color: var(--terminal-bg);
  color: var(--terminal-green);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 12px;
  border: 1px solid var(--terminal-green);
}

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

.project-links a {
  font-size: var(--font-size-small);
  color: var(--terminal-green);
  text-decoration: none;
  font-weight: 500;
}

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.contact-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--terminal-bg-secondary);
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  display: block;
  text-decoration: none;
  color: inherit;
}

.contact-item:hover {
  border-color: var(--terminal-green);
  background-color: var(--terminal-bg);
  transform: translateY(-3px);
  color: inherit;
  text-shadow: none;
}

.contact-link {
  cursor: pointer;
}

.contact-link:hover .contact-icon {
  color: var(--terminal-green-bright);
  transform: scale(1.1);
}

.contact-link:hover .contact-title {
  color: var(--terminal-green-bright);
}

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

.contact-icon {
  font-size: 2rem;
  color: var(--terminal-green);
  margin-bottom: 1rem;
  transition: all var(--transition-speed) ease;
}

.contact-title {
  color: var(--terminal-green-bright);
  margin-bottom: 0.5rem;
  transition: color var(--transition-speed) ease;
}

.contact-info {
  color: var(--terminal-text);
  font-size: var(--font-size-small);
  transition: color var(--transition-speed) ease;
}

/* Responsive design */
@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 0;
    --font-size-h1: 2rem;
    --font-size-h2: 1.75rem;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--terminal-bg);
    border-top: 1px solid var(--terminal-border);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }

  .navbar-nav.active {
    display: flex;
  }

  .navbar-toggle {
    display: block;
  }

  .hero {
    padding: 6rem 1rem 2rem;
    min-height: 90vh;
  }

  .container {
    padding: 0 1rem;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: -1.5rem;
  }

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

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
  }

  .skill-item {
    padding: 0.75rem 0.5rem;
    min-height: 70px;
  }

  .skill-item .skill-name {
    font-size: 13px;
  }

  .skill-item .skill-level {
    font-size: 10px;
    letter-spacing: 0.5px;
  }

  .profile-image {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-buttons {
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .hero-buttons .btn {
    padding: 0.6rem 1rem;
    font-size: 12px;
    letter-spacing: 0.5px;
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
  }

  .card {
    padding: 1rem;
  }

  .project-content {
    padding: 1rem;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .skill-item {
    padding: 0.75rem 0.5rem;
    min-height: 65px;
  }

  .skill-item .skill-name {
    font-size: 12px;
  }

  .skill-item .skill-level {
    font-size: 9px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
  outline: 2px solid var(--terminal-green);
  outline-offset: 2px;
}

/* Additional utility classes */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}

/* Improve button spacing */
.btn + .btn {
  margin-left: 1rem;
}

/* Remove margin for buttons in hero-buttons container since we use gap */
.hero-buttons .btn + .btn {
  margin-left: 0;
}

/* Add subtle glow effect to terminal elements */
.navbar-brand,
.hero h1,
h2,
h3 {
  text-shadow: 0 0 10px var(--terminal-shadow);
}

/* Enhanced card animations */
@keyframes cardGlow {
  0% {
    box-shadow: 0 5px 20px var(--terminal-shadow);
  }
  50% {
    box-shadow: 0 8px 25px rgba(0, 255, 0, 0.3);
  }
  100% {
    box-shadow: 0 5px 20px var(--terminal-shadow);
  }
}

.card:hover {
  animation: cardGlow 2s infinite;
}

/* Improve list styling */
ul {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  color: var(--terminal-text);
}

/* Add terminal-style borders */
.terminal-border {
  border: 1px solid var(--terminal-green);
  border-radius: var(--border-radius);
  padding: 1rem;
  background-color: var(--terminal-bg-secondary);
}

/* Loading animation for smooth page transitions */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--terminal-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: all 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-text {
  font-family: var(--font-family);
  color: var(--terminal-green);
  font-size: 1.5rem;
  animation: pulse 1.5s infinite;
}

/* Print styles */
@media print {
  .navbar,
  .hero::before {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  body {
    background: white;
    color: black;
  }

  .card,
  .project-card {
    break-inside: avoid;
    margin-bottom: 1rem;
  }
}