:root {
  --bg-primary: #18181b;
  --bg-secondary: #27272a;
  --bg-card: rgba(39, 39, 42, 0.5);
  --bg-card-hover: rgba(39, 39, 42, 0.8);
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --border-color: #3f3f46;
  --shadow-color: rgba(0, 0, 0, 0.25);
  --transition-duration: 300ms;
}

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

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  padding: 4rem 0;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

h3 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3rem;
  gap: 2rem;
}

.profile-image {
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--border-color);
  box-shadow: 0 4px 6px var(--shadow-color);
}

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

.profile-content {
  text-align: center;
  flex: 1;
}

.bio {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.linkedin-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--transition-duration);
}

.linkedin-button:hover {
  background-color: var(--bg-secondary);
}

section {
  margin-bottom: 4rem;
}

.experience-card,
.education-card {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px var(--shadow-color);
  transition: box-shadow var(--transition-duration), background-color var(--transition-duration);
}

.experience-card:hover,
.education-card:hover {
  box-shadow: 0 4px 8px var(--shadow-color);
  background-color: var(--bg-card-hover);
}

.company,
.institution {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

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

.previous-title {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.previous-companies {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1rem;
}

.company-card {
  background-color: rgba(39, 39, 42, 0.3);
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: center;
  transition: background-color var(--transition-duration);
}

.company-card:hover {
  background-color: rgba(39, 39, 42, 0.5);
}

.about-section p {
  color: var(--text-secondary);
}

footer {
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
}

footer p {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Responsive styles */
@media (min-width: 768px) {
  .profile {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
  }

  .profile-content {
    text-align: left;
  }

  .previous-companies {
    grid-template-columns: repeat(3, 1fr);
  }
}