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

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #222;
  background: #f9f9fb;
  transition: background 0.5s ease, color 0.5s ease;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  text-align: center;
  padding-top: 3rem;
  padding-bottom: 1rem;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

.contact {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  font-size: 0.95rem;
}

.contact a {
  color: #0066cc;
  text-decoration: none;
}

section {
  margin-top: 2.5rem;
}

section h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid #eee;
  padding-bottom: 0.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #444;
}

.item {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  font-weight: 500;
}

.item .right {
  font-weight: 400;
  color: #555;
}

p {
  margin: 0.5rem 0 0;
}

ul,
ol {
  margin: 0.5rem 0 0 1.25rem;
}

footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #666;
}

.note {
  font-style: italic;
}

#fancy-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: #fff;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0.6rem;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  color: #444;
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

#fancy-toggle:hover {
  transform: rotate(20deg);
}

body.fancy {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #f0f0f0;
}

body.fancy a {
  color: #ffeb3b;
}

body.fancy section h2 {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.4);
}

body.fancy footer {
  color: #eee;
}