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

:root {
  --terminal-bg: #0d1117;
  --terminal-header: #161b22;
  --terminal-body: #0d1117;
  --terminal-text: #e6edf3;
  --terminal-green: #238636;
  --terminal-blue: #58a6ff;
  --terminal-prompt-user: #7ee787;
  --terminal-prompt-path: #d2a8ff;
  --terminal-command: #f0f6fc;
  --accent: #238636;
  --accent-light: rgba(35, 134, 54, 0.1);
  --border: #30363d;
  --muted: #8b949e;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Fira Code', monospace;
  background-color: #010409;
  color: var(--terminal-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Terminal Structure */
.terminal-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--terminal-body);
  position: relative;
}

/* Authentic CRT/Scanline Effect Overlay */
.terminal-container::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.02));
  z-index: 200;
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
}

.terminal-window {
  width: 100%;
  min-height: 100vh;
  background: var(--terminal-body);
  display: flex;
  flex-direction: column;
}

.terminal-header {
  background: var(--terminal-header);
  padding: 8px 15px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  z-index: 101;
}

.terminal-title {
  flex-grow: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.terminal-body {
  padding-bottom: 2rem;
}

/* Navigation */
nav {
  background: var(--terminal-header);
  border-bottom: 1px solid var(--border);
  padding: 0 5rem; /* Default for mobile/small tablet */
  position: sticky;
  top: 0;
  z-index: 10000;
  transform: translateZ(0); 
  pointer-events: all !important;
}

@media (min-width: 1024px) {
  nav { padding: 0 10rem; }
}

@media (min-width: 1440px) {
  nav { padding: 0 20rem; }
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px; /* Slightly taller for better spacing */
  gap: 1rem;
}

.nav-logo {
  color: var(--terminal-prompt-user);
  font-weight: bold;
  cursor: pointer;
}

.nav-items-wrapper {
  display: flex;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 10001;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--terminal-blue);
}

.lang-toggle {
  display: flex;
  gap: 5px;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  z-index: 10002;
  pointer-events: auto !important;
}

.lang-btn.active {
  background: var(--terminal-green);
  color: white;
  border-color: var(--terminal-green);
}

/* Section Common */
section {
  padding: 4rem 5rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 1024px) {
  section { padding: 4rem 10rem; }
}

@media (min-width: 1440px) {
  section { padding: 4rem 20rem; }
}

.container {
  max-width: 100%;
}

.prompt {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

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

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

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

.section-title {
  font-size: 1.5rem;
  color: var(--terminal-blue);
  margin-bottom: 0.5rem;
}

.section-line {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin-bottom: 2rem;
}

/* Hero Section */
#hero {
  display: flex;
  flex-direction: column;
}

.hero-inner {
  display: flex;
  gap: 2rem;
  align-items: center;
}



.hero-avatar {
  width: 150px;
  height: 150px;
  border: 2px solid var(--terminal-green);
  border-radius: 8px;
  padding: 5px;
  background: var(--terminal-header);
}

.hero-avatar img {
  filter: grayscale(1) contrast(1.2);
}

.hero-text h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.hero-sub {
  color: var(--terminal-blue);
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.hero-desc {
  color: var(--muted);
  margin-bottom: 1rem;
}

.hero-skills {
  display: flex;
  gap: 1rem;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.hero-skills i {
  color: var(--terminal-green);
  cursor: help;
}

.hero-loc {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.85rem;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--terminal-green);
  color: white;
  border: 1px solid var(--terminal-green);
}

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

.btn-outline {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--terminal-blue);
  color: var(--terminal-blue);
}

/* About Section */
.about-text {
  color: var(--terminal-text);
  max-width: 850px;
  font-size: 1rem;
  line-height: 1.8;
}

/* Skills Section Redesign */
.skills-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skill-group {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.02);
}

.group-header {
  font-size: 0.9rem;
  color: var(--terminal-blue);
  margin-bottom: 1.2rem;
  font-weight: bold;
  border-bottom: 1px solid var(--border);
  display: inline-block;
  padding-bottom: 4px;
}

.skill-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.8rem;
}

.skill-item {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--terminal-text);
}

.skill-item i {
  color: var(--terminal-green);
  font-size: 1.5rem;
  width: 30px;
  text-align: center;
}

.skill-item .status {
  font-size: 0.75rem;
  color: var(--muted);
  margin-left: auto;
  opacity: 0.8;
}

.skill-item:hover .status {
  color: var(--terminal-green);
  opacity: 1;
}

/* Experience Section */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.exp-card {
  border-left: 2px solid var(--terminal-green);
  padding-left: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px dashed var(--border);
}

.exp-card:last-child {
  border-bottom: none;
}

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

.exp-title {
  font-weight: bold;
  color: var(--terminal-text);
}

.exp-year {
  color: var(--terminal-blue);
  font-size: 0.8rem;
}

.exp-company {
  color: var(--terminal-green);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.exp-loc {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.exp-duties {
  list-style: none;
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.exp-duties li {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--terminal-text);
  padding-left: 1.5rem;
  position: relative;
}

.exp-duties li::before {
  content: "$";
  position: absolute;
  left: 0;
  color: var(--terminal-green);
  font-weight: bold;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  font-size: 0.8rem;
  background: var(--terminal-header);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--terminal-blue);
}

/* Education Section */
.edu-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.edu-icon {
  color: var(--terminal-blue);
  font-size: 1.5rem;
}

.edu-school {
  font-weight: bold;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.edu-degree {
  color: var(--terminal-green);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.edu-info {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Portfolio Section */
.portfolio-intro {
  color: var(--muted);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
  z-index: 201;
}

.portfolio-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: row;
  height: 300px;
}

.portfolio-card:hover {
  border-color: var(--terminal-green);
  transform: translateY(-2px);
}

.portfolio-card-img {
  width: 350px;
  min-width: 350px;
  height: 100%;
  overflow: hidden;
  background: var(--terminal-header);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 201;
}

.portfolio-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.portfolio-card-img.img-fallback {
  background: var(--terminal-header);
  position: relative;
}

.portfolio-card-img.img-fallback img {
  display: none;
}

.portfolio-card-img.img-fallback::after {
  content: "\f550";
  font-family: "Font Awesome 6 Free";
  font-weight: 400;
  font-size: 3rem;
  color: var(--border);
}

.portfolio-card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow-y: auto;
}

.portfolio-card-body::-webkit-scrollbar {
  width: 6px;
}
.portfolio-card-body::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.1);
}
.portfolio-card-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
.portfolio-card-body::-webkit-scrollbar-thumb:hover {
  background: var(--terminal-green);
}

.portfolio-card-title {
  font-size: 1.1rem;
  color: var(--terminal-blue);
  margin-bottom: 0.5rem;
}

.portfolio-card-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.portfolio-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  align-self: flex-start;
  width: fit-content;
}

/* Contact Section */
.contact-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact-item {
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  color: var(--terminal-text);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.contact-item:hover {
  background: var(--accent-light);
  border-color: var(--terminal-green);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Scroll Top */
.scroll-top {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  background: var(--terminal-green);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.scroll-top.show {
  display: flex;
}

/* Animations */
.fade {
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.5s ease;
}

.fade.show {
  opacity: 1;
  transform: translateX(0);
  position: relative;
  z-index: 201;
}

/* Hamburger Menu for Mobile */
.hamburger-menu {
  display: none;
  background: none;
  border: none;
  color: var(--terminal-text);
  font-size: 1.2rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .hamburger-menu {
    display: block;
  }

  nav {
    padding: 0 1.5rem;
    top: 0;
  }

  section {
    padding: 2rem 1.5rem;
  }

  #hero {
    padding-left: 2rem;
    padding-right: 2rem;
    overflow-x: hidden;
  }

  .nav-items-wrapper {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    background: var(--terminal-header);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 1.5rem;
    z-index: 1000;
  }

  .nav-items-wrapper.active {
    display: flex;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
    max-width: 100%;
  }

  .hero-avatar {
    margin: 0 auto;
  }

  .hero-text {
    max-width: 100%;
    min-width: 0;
  }

  .hero-text h1 {
    font-size: clamp(1.55rem, 9vw, 1.8rem);
    overflow-wrap: anywhere;
  }

  .hero-desc {
    max-width: 100%;
  }

  .hero-skills {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem;
  }

  .btn-group {
    flex-wrap: wrap;
    justify-content: center;
  }

  .btn {
    flex: 1 1 145px;
    max-width: 220px;
  }

  .lang-toggle {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    width: 100%;
    justify-content: center;
  }

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

  .portfolio-card {
    flex-direction: column;
  }

  .portfolio-card-img {
    width: 100%;
    min-width: 100%;
    height: 180px;
    min-height: 180px;
  }
}

/* Image Modal */
.image-modal {
  display: none;
  position: fixed;
  z-index: 20000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.image-modal.show {
  display: flex;
}

.image-modal .modal-content {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  animation: zoom 0.3s;
}

.image-modal .close-modal {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

@keyframes zoom {
  from {transform:scale(0.8); opacity: 0;}
  to {transform:scale(1); opacity: 1;}
}

.portfolio-card-img img {
  cursor: zoom-in;
}

/* Print Styles for Portfolio */
@media print {
  body {
    background-color: #ffffff !important;
    color: #333333 !important;
  }
  
  .terminal-container, .terminal-window, .terminal-body {
    background: #ffffff !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  .terminal-container::after {
    display: none !important;
  }

  nav, .terminal-header, .scroll-top, .image-modal, .btn-group {
    display: none !important;
  }

  .prompt {
    display: none !important;
  }

  .section-title {
    color: #000000 !important;
    text-shadow: none !important;
  }

  .section-line {
    background: #cccccc !important;
  }

  .portfolio-card {
    border: 1px solid #cccccc !important;
    background: #ffffff !important;
    page-break-inside: avoid;
    height: auto !important;
    margin-bottom: 2rem !important;
    box-shadow: none !important;
    transform: none !important;
  }

  .portfolio-card-img {
    background: transparent !important;
    border-right: 1px solid #cccccc !important;
  }

  .portfolio-card-body {
    overflow-y: visible !important;
    padding: 1.5rem !important;
  }

  .portfolio-card-title {
    color: #000000 !important;
    font-weight: bold !important;
  }

  .portfolio-card-desc {
    color: #333333 !important;
  }

  .portfolio-card-tags span {
    border: 1px solid #aaaaaa !important;
    color: #000000 !important;
    background: #f9f9f9 !important;
  }
}