/* CSS Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color System */
  --color-primary: #0084ff;
  --color-primary-hover: #006dd9;
  --color-background: #ffffff;
  --color-foreground: #1a1a1a;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --color-card: #ffffff;
  --color-hover-bg: #f9fafb;
  --color-secondary-bg: #f3f4f6;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-foreground);
  background-color: var(--color-background);
  transition: background-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.header-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-foreground);
  text-decoration: none;
  transition: var(--transition);
}

.header-name:hover {
  color: var(--color-primary);
  transform: scale(1.1);
}

.header-nav {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-foreground);
  text-decoration: none;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
  transform: scale(1.1);
}

.icon {
  width: 1.5rem;
  height: 1.5rem;
}

.icon-small {
  width: 1rem;
  height: 1rem;
}

/* Main Content */
.main-content {
  max-width: 1000px;
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  align-self: center;
}

/* Intro Section */
.intro-section {
  margin-bottom: var(--spacing-3xl);
}

.intro-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.profile-image {
  width: 8rem;
  height: 8rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
}

.main-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

.intro-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 48rem;
}

.links-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.link-primary {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.link-primary:hover {
  text-decoration: underline;
}

/* Skills Section */
.skills-section {
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.table-container {
  overflow-x: auto;
}

.skills-table {
  width: 100%;
  border-collapse: collapse;
}

.skills-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}

.skills-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.skills-table tr:hover {
  background-color: var(--color-hover-bg);
  transition: var(--transition);
}

/* Projects Section */
.projects-section {
  margin-bottom: var(--spacing-3xl);
}

.projects-grid {
  display: grid;
  gap: var(--spacing-xl);
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-card);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.project-content {
  display: grid;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.project-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.project-date {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-secondary-bg);
  color: var(--color-foreground);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.project-description {
  color: var(--color-text-secondary);
}

.project-links {
  display: flex;
  gap: var(--spacing-md);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.project-link:hover {
  text-decoration: underline;
}

.project-image {
  display: flex;
  align-items: center;
}

.project-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  padding: var(--spacing-lg) 0;
  text-align: center;
  color: var(--color-text-secondary);
}

.footer-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (min-width: 768px) {
  .intro-header {
    align-items: center;
  }

  .main-title {
    font-size: 3rem;
  }

  .project-content {
    grid-template-columns: 2fr 1fr;
  }
}

@media (max-width: 767px) {
  .main-title {
    font-size: 2rem;
  }

  .intro-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .project-image {
    order: -1;
  }
}