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

:root {
  /* Dark Theme Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #252525;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-tertiary: #808080;
  --accent-primary: #3b82f6;
  --accent-secondary: #8b5cf6;
  --accent-hover: #2563eb;
  --border-color: #2a2a2a;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

.section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
  }
}

.section-description {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--text-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-primary);
}

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

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.fade-in {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header Styles */
.header {
  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(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
}

.logo:hover {
  color: var(--accent-primary);
}

.logo-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

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

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.hamburger.active {
  background-color: transparent;
}

.hamburger.active::before {
  top: 0;
  transform: rotate(45deg);
}

.hamburger.active::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

@media (max-width: 768px) {
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: var(--transition);
    border-left: 1px solid var(--border-color);
  }

  .nav-list.active {
    right: 0;
  }
}

.nav-item a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  transition: var(--transition);
}

.nav-item a:hover,
.nav-item a.active {
  color: var(--text-primary);
}

.nav-item a:hover::after,
.nav-item a.active::after {
  width: 100%;
}

/* Main Content */
.main-content {
  padding-top: 80px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  padding: 8rem 0 5rem;
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 0 3rem;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
}

.profile-photo {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-primary);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.profile-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 30px rgba(59, 130, 246, 0.3);
}

@media (max-width: 768px) {
  .profile-photo {
    width: 200px;
    height: 200px;
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.hero-bio {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  max-width: 600px;
}

@media (max-width: 968px) {
  .hero-bio {
    max-width: 100%;
  }
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

@media (max-width: 968px) {
  .hero-location {
    justify-content: center;
  }
}

.hero-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

@media (max-width: 968px) {
  .hero-contact {
    align-items: center;
  }
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--accent-primary);
}

.contact-icon {
  font-size: 1rem;
}

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

@media (max-width: 968px) {
  .hero-social {
    justify-content: center;
  }
}

.social-link {
  padding: 0.5rem 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.hero-actions {
  margin-top: 1.5rem;
}

.hero-actions .btn {
  min-width: 180px;
  text-align: center;
  font-weight: 600;
}

/* Portfolio Grid */
.portfolio-grid,
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .portfolio-grid,
  .posts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.portfolio-card,
.post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.portfolio-image,
.post-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--bg-tertiary);
}

.portfolio-image img,
.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-image:hover img,
.post-image:hover img {
  transform: scale(1.1);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--text-primary);
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.portfolio-content,
.post-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-title,
.post-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.portfolio-description,
.post-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.portfolio-technologies,
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-tag,
.tag {
  padding: 0.25rem 0.75rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.tech-tag:hover,
.tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.portfolio-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.post-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.post-date::before,
.post-author::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: var(--text-tertiary);
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.section-cta {
  text-align: center;
  margin-top: 2rem;
}

/* Experiences Timeline */
.experiences-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  padding-left: 2rem;
}

@media (max-width: 768px) {
  .experiences-timeline {
    padding-left: 1rem;
  }
}

.experiences-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.experience-item {
  position: relative;
  padding-left: 2rem;
}

@media (max-width: 768px) {
  .experience-item {
    padding-left: 1.5rem;
  }
}

.experience-item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-primary);
}

.experience-company {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.company-logo {
  width: clamp(48px, 6vw, 80px);
  height: clamp(48px, 6vw, 80px);
  border-radius: 0.5rem;
  object-fit: contain;
  background-color: var(--bg-tertiary);
  padding: 0.35rem;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.company-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.position-title {
  font-size: 1.1rem;
  color: var(--accent-primary);
  font-weight: 500;
}

.experience-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.current-badge {
  padding: 0.125rem 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--text-primary);
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.experience-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.experience-description h2,
.experience-description h3 {
  color: var(--text-primary);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.experience-description ul {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}

.experience-description li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.experience-description li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

.experience-technologies {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.technologies-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Post Detail */
.post-detail {
  min-height: 100vh;
}

.post-header {
  max-width: 800px;
  margin: 0 auto 3rem;
}

.back-link {
  display: inline-block;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--accent-primary);
}

.post-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: 1rem;
  margin-bottom: 2rem;
  background-color: var(--bg-tertiary);
}

.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .post-image {
    height: 250px;
  }
}

.post-content {
  max-width: 800px;
  margin: 0 auto;
}

.post-body {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.1rem;
}

.post-body h2,
.post-body h3,
.post-body h4 {
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.post-body h2 {
  font-size: 2rem;
}

.post-body h3 {
  font-size: 1.5rem;
}

.post-body p {
  margin-bottom: 1.5rem;
}

.post-body code {
  background-color: var(--bg-tertiary);
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
  color: var(--accent-primary);
}

.post-body pre {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-body pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

.post-body ul,
.post-body ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

.post-body li {
  margin-bottom: 0.5rem;
}

.post-body a {
  color: var(--accent-primary);
  text-decoration: underline;
}

.post-body a:hover {
  color: var(--accent-hover);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
  margin-top: 5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.footer-heading {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-bio {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links,
.footer-social {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-social li {
  margin-bottom: 0.5rem;
}

.footer-links a,
.footer-social a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover,
.footer-social a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

/* Education Section */
.education {
  min-height: 100vh;
}

.education-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  padding-left: 2rem;
}

@media (max-width: 768px) {
  .education-timeline {
    padding-left: 1rem;
  }
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.education-item {
  position: relative;
  padding-left: 2rem;
}

@media (max-width: 768px) {
  .education-item {
    padding-left: 1.5rem;
  }
}

.education-item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-primary);
}

.education-header {
  margin-bottom: 1.5rem;
}

.education-institution {
  margin-bottom: 0.75rem;
}

.institution-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.degree-title {
  font-size: 1.1rem;
  color: var(--accent-primary);
  font-weight: 500;
}

.education-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.education-content {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Skills Section */
.skills {
  min-height: 100vh;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.skill-category {
  padding: 1.5rem;
}

.category-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.skill-tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}