@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg-color: #0d1117;
  --panel-bg: #161b22;
  --border-color: #30363d;
  --text-main: #c9d1d9;
  --text-muted: #8b949e;
  --accent-color: #58a6ff;
  --code-bg: #090d16;
  --code-text: #7ee787;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  border-bottom: 1px solid var(--border-color);
  padding: 18px 24px;
}

nav {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
}

.logo-text {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
}

.logo-text span {
  color: var(--accent-color);
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 60px 24px;
  flex: 1;
  width: 100%;
}

.hero {
  margin-bottom: 48px;
  text-align: left;
}

.hero-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.hero-logo {
  width: 72px;
  height: 72px;
  border-radius: 12px;
}

.tagline {
  font-size: 2.4rem;
  font-weight: 600;
  color: #f0f6fc;
  letter-spacing: -0.8px;
  line-height: 1.2;
}

.subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 32px;
}

.actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn-github {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #21262d;
  color: #c9d1d9;
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-github:hover {
  background-color: #30363d;
  border-color: #8b949e;
  color: #ffffff;
}

.btn-github svg {
  fill: currentColor;
  width: 18px;
  height: 18px;
}

.terminal-card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 48px;
  width: 100%;
}

.terminal-header {
  background-color: #0d1117;
  border-bottom: 1px solid var(--border-color);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #30363d;
}

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.ascii-banner {
  padding: 24px;
  background-color: var(--code-bg);
  overflow: hidden;
}

.ascii-banner pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.42rem, 0.85vw, 0.72rem);
  line-height: 1.15;
  color: var(--code-text);
  white-space: pre;
  overflow: hidden;
  margin: 0;
}

.section-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 600;
  color: #f0f6fc;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.feature-card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
}

.feature-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: #f0f6fc;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.roadmap-section {
  margin-bottom: 48px;
}

.roadmap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.roadmap-item {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.92rem;
}

.version-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 700;
}

.version-done {
  color: #58a6ff;
}

.version-next {
  color: #8b949e;
}

.sep {
  font-family: 'JetBrains Mono', monospace;
  color: #30363d;
  font-size: 0.95rem;
  margin: 0 2px;
}

footer {
  border-top: 1px solid var(--border-color);
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--text-muted);
  text-decoration: underline;
}

footer a:hover {
  color: var(--text-main);
}