:root {
  --bg-color: #f9f9f9;
  --text-color: #111;
  --link-bg: #0073b1;
  --link-bg-hover: #005582;
  --github-bg: #333;
  --github-bg-hover: #000;
  --cv-bg: #28a745;
  --cv-bg-hover: #1f7d34;
}

[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #f5f5f5;
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  margin: 0;
  transition: background-color 0.3s, color 0.3s;
}

.picture {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

h1 {
  font-size: 48px;
  margin: 10px 0;
  letter-spacing: 2px;
}

p {
  max-width: 600px;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 30px;
}

.button-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 14px 28px;
  color: white;
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  font-size: 16px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(0);
}

a:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

a svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.cv {
  background-color: var(--cv-bg);
}

.cv:hover {
  background-color: var(--cv-bg-hover);
}

.github {
  background-color: var(--github-bg);
}

.github:hover {
  background-color: var(--github-bg-hover);
}

.linkedin {
  background-color: var(--link-bg);
}

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

.toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: 1px solid var(--text-color);
  color: var(--text-color);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.toggle:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}