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

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #fff0f5 0%, #ffe4ec 50%, #ffd6e7 100%);
  color: #5a3d4a;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  text-align: center;
  padding: 4rem 2rem 1.5rem;
  position: relative;
}

header h1 {
  font-size: 3.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ff6b9d, #c44dff, #ff6b9d);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
  letter-spacing: 1px;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.subtitle {
  color: #b07f9a;
  font-size: 1.1rem;
  margin-top: 0.6rem;
  font-weight: 500;
}

.hero {
  max-width: 640px;
  text-align: center;
  padding: 0.5rem 2rem 2.5rem;
  color: #8a6579;
  font-size: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem;
  padding: 0 2rem;
  max-width: 860px;
  width: 100%;
}

.card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 2px solid rgba(255, 182, 193, 0.4);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 4px 20px rgba(255, 105, 180, 0.1);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(255, 105, 180, 0.2);
  border-color: #ffb6c1;
}

.card-header {
  padding: 1.5rem 1.5rem 0.8rem;
  text-align: center;
}

.card-header .badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  margin-bottom: 0.6rem;
  color: #fff;
}

.card-header.linux .badge {
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
}

.card-header.windows .badge {
  background: linear-gradient(135deg, #a18cd1, #fbc2eb);
}

.card-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #5a3d4a;
}

.card-body {
  padding: 0 1.5rem 1.5rem;
}

.card-body ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1.2rem;
}

.card-body ul li {
  padding: 0.35rem 0;
  padding-left: 1.6rem;
  position: relative;
  color: #7a5a6a;
  font-size: 0.92rem;
}

.card-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff6b9d, #c44dff);
}

.card-header.windows + .card-body ul li::before {
  background: linear-gradient(135deg, #c44dff, #ff6b9d);
}

.requirements {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 182, 193, 0.3);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.8rem;
  color: #8a6579;
  line-height: 1.6;
  margin-bottom: 1.2rem;
  overflow-x: auto;
}

.download-btn {
  display: block;
  text-align: center;
  padding: 0.85rem 1.5rem;
  background: linear-gradient(135deg, #ff6b9d, #c44dff);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 40px;
  transition: filter 0.2s, transform 0.15s;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 15px rgba(196, 77, 255, 0.25);
}

.download-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(196, 77, 255, 0.35);
}

.download-btn:active {
  transform: translateY(0) scale(0.98);
}

.setup {
  max-width: 640px;
  width: 100%;
  padding: 3rem 2rem 2rem;
}

.setup h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.8rem;
  color: #5a3d4a;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.step {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 182, 193, 0.3);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  transition: transform 0.2s;
}

.step:hover {
  transform: translateX(4px);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff6b9d, #c44dff);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(196, 77, 255, 0.25);
}

.step p {
  color: #5a3d4a;
  font-size: 0.93rem;
}

.step code {
  background: rgba(255, 255, 255, 0.6);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  color: #c44dff;
  border: 1px solid rgba(196, 77, 255, 0.15);
}

footer {
  text-align: center;
  padding: 3rem 2rem;
  color: #ccaabb;
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  header h1 { font-size: 2.2rem; }
  .cards { grid-template-columns: 1fr; }
}