/* ---------- Truevine Automation — styles ---------- */
:root {
  --bg: #ffffff;
  --bg-elev: #f1f5f9;
  --card: #ffffff;
  --card-hi: #f0fdf4;
  --border: #e2e8f0;
  --border-hi: #cbd5e1;
  --violet: #14532d;
  --violet-hi: #166534;
  --blue: #15803d;
  --cyan: #16a34a;
  --text: #0f172a;
  --muted: #475569;
  --dim: #94a3b8;
  --line: rgba(20, 83, 45, 0.12);
  --grid-line: rgba(20, 83, 45, 0.06);
  --glow-violet: 0 0 40px rgba(20, 83, 45, 0.2);
  --glow-cyan: 0 0 40px rgba(22, 163, 74, 0.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { background: var(--bg); color: var(--text); font-family: 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(20, 83, 45, 0.05), transparent 50%),
    radial-gradient(circle at 85% 90%, rgba(22, 163, 74, 0.04), transparent 50%),
    var(--bg);
}

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.grotesk { font-family: 'Space Grotesk', sans-serif; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.14em;
  color: var(--text);
  display: flex; align-items: center; gap: 10px;
}
.logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 12px rgba(20, 83, 45, 0.5);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--violet); }
.nav-links a::before {
  content: '> '; color: var(--violet); opacity: 0;
  transition: opacity 0.2s;
}
.nav-links a:hover::before { opacity: 1; }

.cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  background: var(--violet);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  border-radius: 2px;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(20, 83, 45, 0.4), 0 0 20px rgba(20, 83, 45, 0.12);
}
.cta-btn:hover {
  background: var(--violet-hi);
  box-shadow: 0 0 0 1px var(--violet-hi), 0 0 30px rgba(22, 163, 74, 0.25);
  transform: translateY(-1px);
}
.cta-btn.ghost {
  background: transparent;
  color: var(--text);
  box-shadow: 0 0 0 1px var(--border-hi);
}
.cta-btn.ghost:hover {
  background: rgba(20, 83, 45, 0.05);
  box-shadow: 0 0 0 1px var(--violet);
  color: var(--violet);
}
.cta-btn .arrow { transition: transform 0.2s; }
.cta-btn:hover .arrow { transform: translateX(3px); }

/* ---------- Tweaks panel ---------- */
.tweaks {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 320px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-hi);
  z-index: 180;
  padding: 20px;
  border-radius: 4px;
  box-shadow: 0 20px 60px -10px rgba(20, 83, 45, 0.15);
  display: none;
  font-family: 'JetBrains Mono', monospace;
  max-height: 80vh;
  overflow-y: auto;
}
.tweaks.open { display: block; }
.tweaks h4 {
  font-size: 11px;
  color: var(--violet-hi);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.tweaks h4 .blink {
  width: 6px; height: 6px; background: var(--violet-hi); border-radius: 50%;
  animation: blink 1.2s steps(2, end) infinite;
}
.tweak-group { margin-bottom: 18px; }
.tweak-group-label {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tweak-options {
  display: flex; flex-direction: column; gap: 4px;
}
.tweak-options button {
  padding: 8px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.04em;
}
.tweak-options button:hover { border-color: var(--violet); }
.tweak-options button.active {
  border-color: var(--violet);
  background: rgba(20, 83, 45, 0.1);
  color: var(--violet);
}
.tweak-swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.tweak-swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.tweak-swatch.active { border-color: var(--text); transform: scale(1.1); }

/* ---------- Color themes (tweakable) ---------- */
body[data-theme="violet"] { --accent1: var(--violet); --accent2: var(--cyan); }
body[data-theme="blue"] {
  --violet: #1B3A8A; --violet-hi: #2563EB;
  --cyan: #38B6FF;
}
body[data-theme="minimal"] {
  --violet: #475569; --violet-hi: #64748B;
  --cyan: #94A3B8;
}

@media (max-width: 1024px) { .nav-links { display: none; } }