/* Catppuccin-inspired palette matching the logo */
:root {
  --bg-dark: #1a1b2e;
  --bg-purple: #2d1b4e;
  --bg-surface: #24273a;
  --bg-card: #363a4f;
  --text: #cad3f5;
  --text-dim: #8087a2;
  --green: #a6da95;
  --gold: #ffd700;
  --orange: #f5a97f;
  --red: #ed6a5e;
  --yellow: #f4bf4f;
  --green-dot: #61c554;
  --cyan: #8bd5ca;
  --terminal-bg: #1e2030;
  --terminal-bar: #363a4f;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-purple) 100%);
  text-align: center;
  padding: 80px 0 60px;
}

.hero-logo {
  width: 140px;
  height: 140px;
  margin-bottom: 24px;
  filter: drop-shadow(0 8px 32px rgba(255, 215, 0, 0.2));
}

.hero h1 {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.tagline {
  font-size: 1.2rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text);
  max-width: 600px;
  margin: 0 auto 28px;
  opacity: 0.9;
}

.hero-shells {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.shell-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(166, 218, 149, 0.12);
  color: var(--green);
  border: 1px solid rgba(166, 218, 149, 0.25);
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #ff8c00);
  color: #1a1b2e;
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
}
.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid rgba(202, 211, 245, 0.15);
}
.btn-secondary:hover {
  background: #3e4255;
}

/* Terminal Demo */
.demo {
  padding: 40px 0 60px;
  background: var(--bg-dark);
}

.terminal {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  max-width: 680px;
  margin: 0 auto;
}

.terminal-bar {
  background: var(--terminal-bar);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green-dot); }

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
}

.terminal-body {
  background: var(--terminal-bg);
  padding: 20px 24px;
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.8;
  min-height: 220px;
}

.term-line {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s, transform 0.3s;
}
.term-line.visible {
  opacity: 1;
  transform: translateY(0);
}

.prompt { color: var(--green); }
.cmd { color: var(--text); }
.ysu-prefix { color: var(--orange); font-weight: 700; }
.arrow { color: var(--text-dim); }
.suggest { color: var(--green); }
.alias-text { color: var(--cyan); }
.dim { color: var(--text-dim); font-size: 0.85em; }

.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--text);
  vertical-align: text-bottom;
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0; }
}

/* Features */
.features {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-surface) 100%);
}

.features h2, .mappings h2, .install h2, .commands h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--text);
}

.section-desc {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 28px 24px;
  border: 1px solid rgba(202, 211, 245, 0.06);
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(166, 218, 149, 0.2);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--green);
}

.feature-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.feature-card code {
  background: rgba(166, 218, 149, 0.1);
  color: var(--green);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* Mappings Table */
.mappings {
  padding: 60px 0;
  background: var(--bg-surface);
}

.table-wrap {
  overflow-x: auto;
  margin-top: 32px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

thead th {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--bg-card);
  color: var(--gold);
  font-weight: 600;
}

tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(54, 58, 79, 0.6);
}

tbody tr:hover {
  background: rgba(166, 218, 149, 0.04);
}

table code {
  background: rgba(166, 218, 149, 0.1);
  color: var(--green);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* Installation */
.install {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-dark) 100%);
}

.install-method {
  margin-top: 32px;
}

.install-method h3, .install-tabs h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text);
}

.install-method.primary {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid rgba(255, 215, 0, 0.15);
}

.install-method.primary h3::after {
  content: " Recommended";
  font-size: 0.75rem;
  color: var(--gold);
  font-weight: 400;
  vertical-align: super;
}

.code-block {
  position: relative;
  margin: 8px 0;
}

.code-block pre {
  background: var(--terminal-bg);
  padding: 14px 18px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  color: var(--green);
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.copy-btn:hover { opacity: 1; }

.install-method p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* Tabs */
.install-tabs {
  margin-top: 40px;
}

.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.tab {
  padding: 8px 18px;
  border: none;
  background: var(--bg-card);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  border-radius: 8px 8px 0 0;
  transition: background 0.15s, color 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: var(--terminal-bg);
  color: var(--green);
}

.tab-content {
  display: none;
  background: var(--terminal-bg);
  border-radius: 0 8px 8px 8px;
  padding: 16px 18px;
}
.tab-content.active { display: block; }

.tab-content pre {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
}

.tab-content code {
  color: var(--text);
}

/* Commands */
.commands {
  padding: 60px 0;
  background: var(--bg-dark);
}

.cmd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.cmd-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid rgba(202, 211, 245, 0.06);
}

.cmd-card code {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 1rem;
  color: var(--gold);
  font-weight: 600;
}

.cmd-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 6px;
}

/* Footer */
footer {
  padding: 40px 0;
  text-align: center;
  background: var(--bg-dark);
  border-top: 1px solid rgba(202, 211, 245, 0.06);
}

footer p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer a {
  color: var(--green);
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 2rem; }
  .hero-logo { width: 100px; height: 100px; }
  .terminal-body { font-size: 0.78rem; padding: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .cmd-grid { grid-template-columns: 1fr; }
  .tabs { gap: 2px; }
  .tab { padding: 6px 12px; font-size: 0.8rem; }
}