@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #0b0f19;
  --bg-subtle: #111827;
  --panel-bg: rgba(17, 24, 39, 0.75);
  --panel-border: rgba(255, 255, 255, 0.1);
  --panel-border-hover: rgba(16, 185, 129, 0.4);
  
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: #34d399;
  --primary-muted: rgba(16, 185, 129, 0.12);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  --max-w: 1140px;
  --radius: 10px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

/* Base Utility */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: var(--primary-light);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  color: var(--text-main);
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.brand-img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.nav-menu {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.nav-menu a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-menu a:hover {
  color: #fff;
  text-decoration: none;
}

.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--panel-border);
  color: #fff;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}
.github-btn:hover {
  border-color: var(--text-muted);
  text-decoration: none;
  background: #1f2937;
}

/* Hero Section */
.hero-sec {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.hero-title span {
  color: var(--primary-light);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 540px;
  line-height: 1.6;
}

/* Install Widget - Clean Tabs & NO SCROLLBARS */
.install-card {
  background: #0d1117;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
  max-width: 560px;
}

.install-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--panel-border);
  overflow-x: auto;
}

.install-tab-btn {
  padding: 0.6rem 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
}

.install-tab-btn:hover {
  color: #fff;
}

.install-tab-btn.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
  background: rgba(16, 185, 129, 0.08);
}

.install-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  gap: 0.75rem;
  /* CRITICAL: NO SCROLLBARS */
  overflow: hidden;
}

.install-cmd {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.copy-btn {
  background: var(--primary);
  color: #0b0f19;
  border: none;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--primary-light);
}

.hero-metrics {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.metric-item div {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.metric-item p {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero-art-box {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-mascot-img {
  max-width: 380px;
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Demo Section */
.sec-padding {
  padding: 4.5rem 0;
  border-top: 1px solid var(--panel-border);
}

.sec-head {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem;
}

.sec-head h2 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.sec-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Mac OS Terminal Frame for GIF */
.terminal-frame {
  background: #0d1117;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  max-width: 920px;
  margin: 0 auto;
}

.terminal-header {
  background: #161b22;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--panel-border);
  position: relative;
}

.mac-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.demo-gif {
  width: 100%;
  height: auto;
  display: block;
}

/* Cards Grid */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.tech-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 1.75rem;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.tech-card:hover {
  border-color: var(--panel-border-hover);
  background: rgba(24, 34, 53, 0.85);
}

.tech-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.tech-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Tool Explorer */
.tool-box {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.tool-nav {
  display: flex;
  background: #0d1117;
  border-bottom: 1px solid var(--panel-border);
  overflow-x: auto;
}

.tool-nav-btn {
  padding: 0.85rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
}

.tool-nav-btn:hover {
  color: #fff;
}

.tool-nav-btn.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
  background: rgba(16, 185, 129, 0.06);
}

.tool-view {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  padding: 2rem;
  gap: 2rem;
}

.tool-info h3 {
  font-family: var(--font-mono);
  color: var(--primary-light);
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.tool-info p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.cmd-badge {
  background: #000;
  border: 1px solid var(--panel-border);
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #fff;
}

.code-out {
  background: #0d1117;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #e6edf3;
  /* Clean scrollbar for code blocks when long */
  overflow: auto;
  max-height: 280px;
}

/* Architecture Image Box */
.arch-box {
  text-align: center;
}
.arch-img-frame {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 1.25rem;
  border-radius: var(--radius);
  display: inline-block;
  max-width: 100%;
}
.arch-img-frame img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

/* Benchmarks Grid */
.bench-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.bench-img-frame img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--panel-border);
}

/* 27 Languages Grid with SVG Icons */
.langs-flex {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.lang-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  transition: all 0.2s;
}

.lang-card:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--primary);
}

.lang-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.92);
  padding: 3px;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* Vertical Prompts Showcase (replaces bar chart) */
.prompts-showcase {
  background: transparent;
  border: none;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}

.prompts-title {
  padding: 0 0 1rem 0;
  font-size: 0.85rem;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  background: transparent;
  border: none;
}

.vertical-ticker {
  position: relative;
  width: 100%;
  min-height: 550px; /* Safe height for all cards */
}

.vertical-ticker-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: block;
}

.vertical-ticker-content:hover .prompt-card {
  animation-play-state: paused;
}

.prompt-card {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  margin: 0;
  opacity: 0;
  animation: fadeLoop 25s infinite;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: #e6edf3;
  line-height: 1.6;
  padding: 2.5rem 3rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--primary-light);
  border-radius: 8px;
}

/* Stagger animations */
.prompt-card:nth-child(1) { animation-delay: 0s; }
.prompt-card:nth-child(2) { animation-delay: 5s; }
.prompt-card:nth-child(3) { animation-delay: 10s; }
.prompt-card:nth-child(4) { animation-delay: 15s; }
.prompt-card:nth-child(5) { animation-delay: 20s; }
.prompt-card:nth-child(6) { display: none; } /* hide clone */

.repo-logo {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 32px;
  height: 32px;
  opacity: 0.8;
}

.prompt-card span {
  display: block;
  font-family: var(--font-sans);
  color: var(--text-dim);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.prompt-metrics {
  margin-top: 1.25rem;
  padding: 0.85rem 1.25rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: #e6edf3;
}

.prompt-metrics strong {
  color: var(--primary-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

@keyframes fadeLoop {
  0% { opacity: 0; transform: translateY(10px); z-index: 1; }
  4% { opacity: 1; transform: translateY(0); z-index: 2; }
  16% { opacity: 1; transform: translateY(0); z-index: 2; }
  20% { opacity: 0; transform: translateY(-10px); z-index: 1; }
  100% { opacity: 0; transform: translateY(-10px); z-index: 0; }
}

/* Footer */
.site-foot {
  border-top: 1px solid var(--panel-border);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.foot-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

/* Responsive */
@media (max-width: 860px) {
  .hero-grid, .tool-view, .bench-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .cards-3 {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
  
  /* Fix vertical prompts showcase on mobile */
  .prompts-showcase {
    min-height: 420px;
  }
  .prompts-title {
    padding: 1rem;
    font-size: 0.8rem;
  }
  .prompt-card {
    padding: 1.25rem 1.25rem;
    margin: 0 1rem;
    font-size: 0.85rem;
    line-height: 1.5;
  }
  .prompt-card span {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
  }
  .prompt-metrics {
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }
}