/* Hacker-Themed GitHub Style Portfolio */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --border-hover: #8b949e;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-green: #238636;
  --link-color: #58a6ff;
  --font-mono: "Fira Code", "Consolas", monospace;
  --font-sans: "Inter", -apple-system, sans-serif;
  --container-max: 1440px;
  --sidebar-width: 296px;
  --gap: 24px;
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --transition: all 0.2s ease;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: #79c0ff;
}
img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--gap);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.header {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  margin-bottom: var(--gap);
  position: sticky;
  top: 0;
  background-color: var(--bg-primary);
  z-index: 100;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.tab-btn::after {
  content: "";
  position: absolute;
  bottom: -17px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: transparent;
}

.tab-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}
.tab-btn.active {
  color: var(--text-primary);
}
.tab-btn.active::after {
  background-color: #f78166;
}
.tab-icon {
  width: 16px;
  height: 16px;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
  flex: 1;
  width: 100%;
}
.tab-content.active {
  display: block;
  width: 100%;
}

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

.profile-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--gap);
}

.profile-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.profile-image-container {
  width: 296px;
  height: 296px;
  margin-bottom: 16px;
  position: relative;
}

.profile-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  object-fit: cover;
  background-color: var(--bg-secondary);
  transition: var(--transition);
}

.profile-image:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 20px rgba(35, 134, 54, 0.3);
}

.hire-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.85);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  white-space: nowrap;
  border: 1px solid var(--border-color);
}

.hire-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-green);
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 6px var(--accent-green);
  }
  50% {
    opacity: 0.4;
    box-shadow: 0 0 2px var(--accent-green);
  }
}

.profile-name {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background-color: transparent;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 14px;
}

.social-link:hover {
  background-color: var(--bg-secondary);
}

.social-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.social-link span {
  font-family: var(--font-sans);
}

/* Social Media Brand Colors on Hover */
.social-link[data-social="twitter"]:hover {
  color: #ffffff;
}
.social-link[data-social="linkedin"]:hover {
  color: #0a66c2;
}
.social-link[data-social="github"]:hover {
  color: #ffffff;
}
.social-link[data-social="peerlist"]:hover {
  color: #00aa45;
}
.social-link[data-social="email"]:hover {
  color: #ea4335;
}

.profile-content {
  padding-left: 16px;
}

.intro-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.intro-name {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: var(--font-mono);
}
.intro-title {
  font-size: 20px;
  color: var(--accent-green);
  font-weight: 500;
  margin-bottom: 12px;
  font-family: var(--font-mono);
}
.intro-tagline {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-style: italic;
}
.intro-description {
  margin-bottom: 20px;
}
.intro-description p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.7;
}
.intro-highlights {
  list-style: none;
}
.intro-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}
.highlight-icon {
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-weight: 600;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

.terminal-prompt {
  color: var(--accent-green);
  font-weight: 700;
}

.tech-stack-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition);
}

.tech-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.tech-item img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.tech-item img.invert-icon {
  filter: invert(1);
}
.tech-item .ai-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-green);
}
.tech-item span {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  font-family: var(--font-mono);
}

.contributions-section {
  margin-bottom: 32px;
}

.contributions-graph {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
}

.contributions-image {
  width: 100%;
  max-width: 100%;
  min-width: 600px;
  filter: grayscale(30%);
}

.projects-header {
  margin-bottom: 24px;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 32px;
}

.project-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition:
    border-color 0.3s ease-out,
    transform 0.3s ease-out,
    box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(122, 222, 140, 0.15);
}

.project-image {
  width: 100%;
  height: 160px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: filter 0.3s ease;
}
.project-card:hover .project-image img {
  filter: grayscale(0%);
}

.project-info {
  padding: 16px;
}
.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.project-name {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-mono);
  transition: color 0.3s ease-out;
}
.project-links {
  display: flex;
  gap: 8px;
}

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.project-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}
.project-link svg {
  width: 16px;
  height: 16px;
}
.project-description {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 4px 10px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Card hover: green border, green heading, green tags, green view link */
/* .project-card:hover { border-color: var(--accent-green); } */
.project-card:hover .project-name {
  color: var(--accent-green);
}
/* .project-card:hover .tech-tag { border-color: var(--accent-green);} */
.project-card:hover .project-view-link {
  border-color: var(--accent-green);
}

/* Terminal-style project view link - styled like a tag chip */
.project-view-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 4px 10px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color 0.3s ease-out;
}
.project-view-link:hover {
  background-color: var(--accent-green);
  color: var(--text-primary);
}

/* Skill chips in Home intro */
.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--accent-green);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  transition: border-color 0.3s ease;
}

.skill-chip img {
  width: 14px;
  height: 14px;
  object-fit: contain;
  flex-shrink: 0;
}

.skill-chip img.invert-icon {
  filter: invert(1);
}

/* Featured Projects Section (Home tab) */
.featured-projects-section {
  margin-bottom: 32px;
}

/* Skills Tab */
.skills-header {
  margin-bottom: 24px;
}

.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.skill-category-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-green);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

/* Education Section */
.education-header {
  margin-bottom: 24px;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.education-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition);
}

.education-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(122, 222, 140, 0.15);
  border-color: var(--border-hover);
}

.education-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--bg-tertiary);
  border-radius: 8px;
  flex-shrink: 0;
}

.education-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-green);
}

.education-info {
  flex: 1;
}

.education-degree {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.education-field {
  font-size: 14px;
  color: var(--accent-green);
  margin-bottom: 8px;
}

.education-institution {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.education-year {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer {
  margin-top: auto;
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}
.terminal-text {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-secondary);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::selection {
  background-color: var(--accent-green);
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .profile-layout {
    grid-template-columns: 1fr;
  }
  .profile-sidebar {
    position: static;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .profile-image-container {
    width: 200px;
    height: 200px;
  }
  .social-links {
    align-items: center;
    width: 100%;
  }
  .social-link {
    justify-content: center;
  }
  .profile-content {
    padding-left: 0;
  }
  .contributions-image {
    min-width: 100%;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .education-grid {
    grid-template-columns: 1fr;
  }
  .intro-name {
    font-size: 28px;
  }
  .section-title {
    font-size: 16px;
  }
  .tabs {
    gap: 4px;
  }
  .tab-btn {
    padding: 6px 12px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  :root {
    --gap: 12px;
  }
  .header {
    padding: 12px 0;
  }
  .tabs {
    flex-wrap: wrap;
    justify-content: center;
  }
  .tab-btn {
    padding: 6px 10px;
    font-size: 12px;
  }
  .tab-icon {
    width: 14px;
    height: 14px;
  }
  .profile-image-container {
    width: 160px;
    height: 160px;
  }
  .hire-badge {
    font-size: 11px;
    padding: 6px 12px;
    bottom: 10px;
  }
  .intro-name {
    font-size: 22px;
  }
  .intro-title {
    font-size: 14px;
  }
  .intro-tagline {
    font-size: 14px;
  }
  .intro-description p {
    font-size: 14px;
  }
  .section-title {
    font-size: 14px;
    gap: 8px;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .tech-item {
    padding: 12px 8px;
  }
  .tech-item img,
  .tech-item .ai-icon {
    width: 32px;
    height: 32px;
  }
  .tech-item span {
    font-size: 10px;
  }
  .project-card {
    border-radius: 6px;
  }
  .project-image {
    height: 140px;
  }
  .project-info {
    padding: 12px;
  }
  .project-name {
    font-size: 14px;
  }
  .project-description {
    font-size: 13px;
    margin-bottom: 12px;
  }
  .project-header {
    flex-direction: column;
    gap: 8px;
  }
  .tech-tag {
    font-size: 11px;
    padding: 3px 8px;
  }
  .education-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
  }
  .education-icon {
    width: 40px;
    height: 40px;
  }
  .education-icon svg {
    width: 20px;
    height: 20px;
  }
  .education-degree {
    font-size: 14px;
  }
  .education-field,
  .education-institution {
    font-size: 12px;
  }
  .education-year {
    font-size: 11px;
  }
  .social-link {
    font-size: 12px;
    padding: 6px 10px;
  }
  .social-link svg {
    width: 16px;
    height: 16px;
  }
  .footer {
    padding: 16px 0;
  }
  .terminal-text {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .profile-image-container {
    width: 140px;
    height: 140px;
  }
  .hire-badge {
    font-size: 10px;
    padding: 5px 10px;
  }
  .intro-name {
    font-size: 20px;
  }
  .tab-btn {
    padding: 5px 8px;
    font-size: 11px;
    gap: 4px;
  }
}