/* Base CSS - Foundation styles */

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

:root {
  --primary-color: #2563eb;
  --secondary-color: #3b82f6;
  --background-color: #ffffff;
  --text-color: #1f2937;
  --text-secondary: #6b7280;
  --card-bg: #f9fafb;
  --border-color: #e5e7eb;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 8px;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

body {
  font-family: var(--font-main);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.hero-name {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

.hero-headline {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.hero-location {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.hero-links {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-link {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color 0.2s;
}

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

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

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

/* About */
.about-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Card */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
}

/* Timeline (Experience) */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.timeline-item {
  position: relative;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xs);
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.timeline-role {
  font-size: 1.25rem;
  font-weight: 600;
}

.timeline-company {
  color: var(--primary-color);
  font-weight: 500;
}

.timeline-dates {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: var(--spacing-sm);
}

.timeline-bullets {
  list-style: disc;
  padding-left: var(--spacing-md);
}

.timeline-bullets li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

/* Education */
.education-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.education-school {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.education-degree {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

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

/* Skills */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.skill-tag {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  display: flex;
  flex-direction: column;
}

.project-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

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

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

/* Footer */
.footer {
  padding: var(--spacing-lg) 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-name {
    font-size: 2rem;
  }

  .hero-headline {
    font-size: 1.25rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .timeline-header {
    flex-direction: column;
  }

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