/* style.css */

:root {
  --bg: #121212;
  --card-bg: #1e1e1e;
  --highlight: #005aff;
  --text: #e0e0e0;
  --muted: #6b6b6b;
  --accent: #8854d0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

.site-header {
  width: 100%;
  padding: 2rem 0;
  border-bottom: 1px solid var(--muted);
  text-align: center;
  background: linear-gradient(90deg, var(--card-bg), #181818);
}
.site-header h1 {
  font-size: 2.8rem;
  color: var(--highlight);
  letter-spacing: 1px;
}

.content {
  width: 90%;
  max-width: 900px;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 2rem;
}

.card {
  position: relative;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.7);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 30px rgba(0,0,0,0.8);
}
.card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 100%;
  background: var(--accent);
}

.card h2 {
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 1.6rem;
  border-bottom: 2px solid var(--muted);
  padding-bottom: 0.5rem;
}

ul {
  list-style: none;
  margin-left: 1rem;
}
li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}
li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--highlight);
  font-size: 0.9rem;
  top: 0.1rem;
}

.note {
  display: block;
  margin-top: 0.3rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.05);
  border-left: 4px solid var(--muted);
  border-radius: 4px;
  font-style: italic;
  color: var(--muted);
}

.site-footer {
  width: 100%;
  padding: 1.5rem 0;
  text-align: center;
  background: var(--card-bg);
  border-top: 1px solid var(--muted);
  color: var(--muted);
  font-size: 0.9rem;
}