* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: #111827;
  color: #f9fafb;
}

.container {
  width: min(1000px, 92%);
  margin: 0 auto;
}

.site-header {
  background: #0f172a;
  border-bottom: 1px solid #334155;
  padding: 1.5rem 0;
}

.site-header h1 {
  margin: 0;
  font-size: 2rem;
}

.tagline {
  margin: 0.5rem 0 1rem;
  color: #cbd5e1;
}

.nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav a {
  color: #93c5fd;
  text-decoration: none;
}

.hero {
  padding: 4rem 0 2rem;
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card-section {
  padding: 1rem 0 2rem;
}

.card {
  background: #1f2937;
  border: 1px solid #374151;
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.button {
  display: inline-block;
  background: #2563eb;
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  padding: 0.8rem 1.2rem;
  cursor: pointer;
  font-size: 1rem;
  margin-top: 0.75rem;
}

.button.secondary {
  background: #475569;
}

.lyrics {
  margin-top: 1rem;
  padding: 1rem;
  background: #0f172a;
  border-radius: 10px;
  border: 1px solid #334155;
}

.hidden {
  display: none;
}

.video-placeholder {
  margin-top: 1.25rem;
  padding: 2rem;
  border: 2px dashed #475569;
  border-radius: 12px;
  text-align: center;
  color: #cbd5e1;
}

.site-footer {
  padding: 2rem 0;
  text-align: center;
  color: #94a3b8;
}