/* OwlScan — GitHub Pages Landing Site
   Cyberpunk dark theme, self-contained */

:root {
  --green:   #00ff41;
  --cyan:    #00f3ff;
  --purple:  #b026ff;
  --pink:    #ff2d78;
  --orange:  #ff6b35;
  --red:     #ff1744;
  --yellow:  #ffff00;
  --bg:      #0a0a0f;
  --bg2:     #0d0d14;
  --bg3:     #12121a;
  --card:    #13131c;
  --border:  #1e2035;
  --text:    #c8d0e0;
  --text-dim:#6b7080;
  --mono:    'Share Tech Mono', 'Courier New', monospace;
  --sans:    'Rajdhani', sans-serif;
  --nav-h:   60px;
  --glow-g:  0 0 8px rgba(0,255,65,0.4);
  --glow-c:  0 0 8px rgba(0,243,255,0.4);
  --glow-p:  0 0 8px rgba(176,38,255,0.4);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ── Canvas & Scanlines ──────────────────────────────────────── */
#matrix-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}
.scanlines {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px
  );
}

/* ── Nav ─────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 100;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
}
.nav-brand:hover { color: #fff; }
.nav-owl { height: 32px; width: auto; filter: drop-shadow(0 0 6px rgba(0,255,65,0.5)); }
.nav-links { display: flex; gap: 0.25rem; align-items: center; }
.nav-link {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  color: var(--text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--cyan); background: rgba(0,243,255,0.05); }
.nav-gh {
  border: 1px solid var(--border);
  color: var(--green);
  margin-left: 0.5rem;
}
.nav-gh:hover { border-color: var(--green); background: rgba(0,255,65,0.06); color: var(--green); }
.gh-icon { width: 14px; height: 14px; }
.accent { color: var(--green); text-shadow: var(--glow-g); }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 2rem 3rem;
  z-index: 2;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 4rem;
  max-width: 1100px;
  width: 100%;
}
.hero-owl-wrap { flex-shrink: 0; }
.hero-owl {
  width: 220px; height: auto;
  filter: drop-shadow(0 0 16px rgba(0,255,65,0.5))
          drop-shadow(0 0 40px rgba(0,255,65,0.2));
  animation: owl-float 6s ease-in-out infinite;
}
@keyframes owl-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
.hero-eyebrow {
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}
.hero-title {
  font-family: var(--sans);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 30px rgba(0,255,65,0.15);
}
.hero-tagline {
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}
.hero-sub {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
  max-width: 500px;
}
.hero-actions { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }
.install-block {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 0.9rem;
  font-size: 0.82rem;
  max-width: 480px;
}
.install-prompt { color: var(--green); flex-shrink: 0; }
.install-cmd { color: var(--cyan); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.copy-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-dim); padding: 0.1rem;
  transition: color 0.2s; flex-shrink: 0;
}
.copy-btn:hover { color: var(--green); }
.hero-btns { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.25rem; }
.hero-badges img { height: 20px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: rgba(0,255,65,0.08);
  border-color: var(--green);
  color: var(--green);
}
.btn-primary:hover {
  background: rgba(0,255,65,0.15);
  box-shadow: 0 0 20px rgba(0,255,65,0.2);
  color: var(--green);
}
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text-dim);
}
.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,243,255,0.04);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  animation: pulse-fade 2s ease-in-out infinite;
}
@keyframes pulse-fade { 0%,100%{opacity:0.3} 50%{opacity:0.8} }

/* ── Sections ────────────────────────────────────────────────── */
.section {
  position: relative;
  z-index: 2;
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}
.section:nth-child(even) { background: rgba(255,255,255,0.012); }
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--cyan);
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: var(--sans);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 0.75rem;
}
.section-sub {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

/* ── Demo ────────────────────────────────────────────────────── */
.section-demo { background: var(--bg2) !important; }
.demo-wrap {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0,255,65,0.08);
  max-width: 900px;
}
.demo-bar {
  background: #0e0e18;
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.demo-dot { width: 11px; height: 11px; border-radius: 50%; }
.demo-dot.red    { background: #ff5f57; }
.demo-dot.yellow { background: #febc2e; }
.demo-dot.green  { background: #28c840; }
.demo-title { color: var(--text-dim); font-size: 0.78rem; margin-left: 0.4rem; }
.demo-gif { display: block; width: 100%; height: auto; }

/* ── Features Grid ───────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
  border-color: rgba(0,243,255,0.3);
  box-shadow: 0 0 20px rgba(0,243,255,0.05);
}
.feature-icon { font-size: 1.8rem; margin-bottom: 0.75rem; display: block; }
.feature-title {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.feature-desc { color: var(--text-dim); font-size: 0.84rem; line-height: 1.65; margin-bottom: 1rem; }
.feature-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-dim);
}

/* ── Ghost Mode ──────────────────────────────────────────────── */
.section-ghost { background: var(--bg3) !important; }
.ghost-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.code-block {
  background: #0a0a12;
  border: 1px solid var(--border);
  border-radius: 0 0 4px 4px;
  padding: 1.25rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--text);
}
.c-green { color: var(--green); }
.c-cyan  { color: var(--cyan); }
.c-dim   { color: var(--text-dim); }

/* ── Shadow Score ────────────────────────────────────────────── */
.score-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.score-band {
  padding: 1.25rem;
  border: 1px solid var(--band-color);
  border-radius: 4px;
  text-align: center;
  background: rgba(0,0,0,0.2);
  box-shadow: 0 0 12px color-mix(in srgb, var(--band-color) 15%, transparent);
}
.score-range {
  font-family: var(--sans);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--band-color);
  text-shadow: 0 0 10px var(--band-color);
  margin-bottom: 0.25rem;
}
.score-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--band-color);
  margin-bottom: 0.5rem;
}
.score-desc { font-size: 0.78rem; color: var(--text-dim); line-height: 1.5; }

/* ── Screenshots ─────────────────────────────────────────────── */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.screenshot-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.screenshot-card:hover {
  border-color: rgba(0,255,65,0.3);
  box-shadow: 0 0 20px rgba(0,255,65,0.07);
}
.screenshot-label {
  background: #0e0e18;
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.screenshot-img { display: block; width: 100%; height: auto; }
.theme-row-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

/* ── Quick Start ─────────────────────────────────────────────── */
.qs-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
}
.qs-tab {
  padding: 0.55rem 1.2rem;
  background: none;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border-radius: 3px 3px 0 0;
  transition: color 0.2s, background 0.2s;
  margin-bottom: -1px;
}
.qs-tab:hover { color: var(--cyan); }
.qs-tab.active {
  color: var(--green);
  border-color: var(--border);
  border-bottom-color: var(--bg);
  background: var(--bg);
}
.qs-panel { display: none; max-width: 680px; }
.qs-panel.active { display: block; }
.qs-note {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--orange);
  background: rgba(255,107,53,0.05);
}

/* ── API Chips ───────────────────────────────────────────────── */
.section-apis { background: var(--bg2) !important; }
.api-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.api-chip {
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  border: 1px solid;
}
.api-chip.green  { border-color: rgba(0,255,65,0.4);  color: var(--green);  background: rgba(0,255,65,0.06); }
.api-chip.cyan   { border-color: rgba(0,243,255,0.4); color: var(--cyan);   background: rgba(0,243,255,0.06); }
.api-chip.purple { border-color: rgba(176,38,255,0.4);color: var(--purple); background: rgba(176,38,255,0.06); }
.api-chip.dim    { border-color: var(--border); color: var(--text-dim); }

/* ── CTA ─────────────────────────────────────────────────────── */
.section-cta { background: var(--bg3) !important; border-bottom: 1px solid var(--border); }
.cta-inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.cta-owl {
  width: 120px; height: auto;
  filter: drop-shadow(0 0 12px rgba(0,255,65,0.4));
  margin-bottom: 0.5rem;
}

/* ── Topics ──────────────────────────────────────────────────── */
.section-topics {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}
.topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.topic-pill {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid;
  transition: background 0.2s, box-shadow 0.2s;
}
.topic-cyan  { color: var(--cyan);   border-color: rgba(0,243,255,0.35);  background: rgba(0,243,255,0.05);  }
.topic-green { color: var(--green);  border-color: rgba(0,255,65,0.35);   background: rgba(0,255,65,0.05);   }
.topic-purple{ color: var(--purple); border-color: rgba(176,38,255,0.35); background: rgba(176,38,255,0.05); }
.topic-cyan:hover  { background: rgba(0,243,255,0.12);  box-shadow: 0 0 10px rgba(0,243,255,0.2);  }
.topic-green:hover { background: rgba(0,255,65,0.12);   box-shadow: 0 0 10px rgba(0,255,65,0.2);   }
.topic-purple:hover{ background: rgba(176,38,255,0.12); box-shadow: 0 0 10px rgba(176,38,255,0.2); }

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 2;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.5rem; }
.footer-logo { font-family: var(--sans); font-weight: 700; letter-spacing: 0.1em; font-size: 1rem; color: #fff; }
.footer-sub { color: var(--text-dim); font-size: 0.7rem; }
.footer-disclaimer { color: var(--text-dim); font-size: 0.7rem; letter-spacing: 0.1em; }
.footer-right { display: flex; align-items: center; gap: 0.5rem; color: var(--text-dim); font-size: 0.75rem; }
.footer-link { color: var(--text-dim); }
.footer-link:hover { color: var(--cyan); }
.footer-copy { color: var(--text-dim); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { flex-direction: column; align-items: center; text-align: center; gap: 2rem; }
  .hero-sub { max-width: 100%; }
  .hero-btns { justify-content: center; }
  .hero-badges { justify-content: center; }
  .install-block { max-width: 100%; }
  .ghost-inner { grid-template-columns: 1fr; }
  .score-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .site-nav { padding: 0 1rem; }
  .nav-links .nav-link span:not(.gh-icon) { display: none; }
  .section { padding: 3rem 1rem; }
  .hero-owl { width: 160px; }
  .hero-title { font-size: 2.5rem; }
  .score-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-disclaimer { display: none; }
}