/* ParentClaw — Landing Page Styles */

:root {
  --bg: #fafafa;
  --bg-alt: #f0f0f0;
  --text: #1a1a1a;
  --text-muted: #666;
  --accent: #6d28d9;
  --accent-light: #8b5cf6;
  --border: #e5e5e5;
  --code-bg: #1e1e2e;
  --code-text: #cdd6f4;
  --card-bg: #fff;
  --radius: 12px;
  --max-w: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f0f;
    --bg-alt: #1a1a1a;
    --text: #e5e5e5;
    --text-muted: #999;
    --border: #333;
    --card-bg: #1e1e1e;
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
section { padding: 80px 24px; }
.container { max-width: var(--max-w); margin: 0 auto; }

/* Hero */
.hero {
  text-align: center;
  padding: 120px 24px 80px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.hero h1 span { color: var(--accent); }
.hero .tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

/* Install command box */
.install-box {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius);
  padding: 20px 24px;
  max-width: 640px;
  margin: 0 auto 16px;
  font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
  font-size: 0.9rem;
  text-align: left;
  position: relative;
  overflow-x: auto;
  white-space: nowrap;
}
.install-box .prompt { color: #a6adc8; user-select: none; }
.install-box .cmd { color: #89b4fa; }
.install-box .url { color: #a6e3a1; }
.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #313244;
  border: none;
  color: #cdd6f4;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: background 0.2s;
}
.copy-btn:hover { background: #45475a; }
.install-note {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  margin-top: 48px;
}
.step {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; font-size: 1.1rem; }
.step p { color: var(--text-muted); font-size: 0.95rem; }

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.feature {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.feature h3 { margin-bottom: 8px; font-size: 1rem; }
.feature p { color: var(--text-muted); font-size: 0.9rem; }

/* Section headings */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
}
.section-sub {
  color: var(--text-muted);
  text-align: center;
  max-width: 520px;
  margin: 12px auto 0;
  font-size: 1.05rem;
}

/* Philosophy */
.philosophy-content {
  max-width: 640px;
  margin: 40px auto 0;
}
.philosophy-content li {
  list-style: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 1.05rem;
}
.philosophy-content li::before {
  content: "  ";
  margin-right: 8px;
}

/* Install guide */
.guide-steps {
  max-width: 640px;
  margin: 40px auto 0;
}
.guide-step {
  margin-bottom: 32px;
}
.guide-step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.guide-step p, .guide-step ol {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.guide-step ol { padding-left: 20px; }
.guide-step ol li { margin-bottom: 6px; }
.guide-step code {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.85rem;
}
.guide-step .code-block {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px 20px;
  border-radius: 8px;
  font-family: "Cascadia Code", "Fira Code", monospace;
  font-size: 0.85rem;
  margin-top: 12px;
  overflow-x: auto;
}

/* FAQ */
.faq-list {
  max-width: 640px;
  margin: 40px auto 0;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  padding: 16px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
}
.faq-item summary::before {
  content: "+";
  margin-right: 12px;
  font-weight: 400;
  color: var(--accent);
}
.faq-item[open] summary::before { content: "-"; }
.faq-item p {
  padding: 0 0 16px 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}
footer a {
  color: var(--accent-light);
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
}
nav .nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
nav .logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}
nav .logo span { color: var(--accent); }
nav .nav-links { display: flex; gap: 24px; }
nav .nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
nav .nav-links a:hover { color: var(--text); }

@media (max-width: 600px) {
  nav .nav-links { display: none; }
  section { padding: 60px 16px; }
  .hero { padding: 100px 16px 60px; }
}