/* Part 1 — CSS variables */
:root {
  --bg:          #0d1117;
  --surface:     #161b22;
  --border:      #30363d;
  --accent:      #58a6ff;
  --accent-hover:#79b8ff;
  --accent-dim:  #132034;
  --success:     #3fb950;
  --text:        #e6edf3;
  --muted:       #8b949e;
  --code-bg:     #1f2428;
  --font-sans:   system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:   ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
  --radius:      6px;
  --max-w:       1100px;
}

/* Part 2 — Reset + base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }
code, pre { font-family: var(--font-mono); }

/* Part 3 — Layout utilities */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--alt { background: var(--surface); }
.section__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
  text-align: center;
}
.section__sub {
  color: var(--muted);
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Part 4 — Hero */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.hero__headline {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero__sub {
  color: var(--muted);
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto 36px;
}
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
}
.hero__badges img { height: 20px; }
.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  text-decoration: none;
}
.btn--outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn--outline:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.install-block { position: relative; display: inline-block; text-align: left; }
.install-block__pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 56px 14px 18px;
  font-size: 0.95rem;
  color: var(--text);
  white-space: pre;
}
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.75rem;
  padding: 4px 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.copy-btn:hover { color: var(--text); border-color: var(--accent); }
.copy-btn.copied { color: var(--success); border-color: var(--success); }

/* Focus styles for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:focus-visible,
.copy-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Part 5 — Why Peaky Peek */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}
.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.why-card__icon { font-size: 2rem; margin-bottom: 12px; }
.why-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.why-card__body { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare-table thead th {
  background: var(--surface);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table--highlight td { background: var(--accent-dim); color: var(--accent); font-weight: 600; }

/* Part 6 — Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.feature-card__body-wrap { padding: 20px; }
.feature-card__title { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.feature-card__body { color: var(--muted); font-size: 0.875rem; line-height: 1.5; }

/* Part 7 — Quick install */
.install-steps { max-width: 640px; margin: 0 auto; }
.install-steps__label {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  margin-top: 20px;
}
.install-steps__label:first-child { margin-top: 0; }
.install-steps pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--text);
  overflow-x: auto;
}
.install-steps__note { color: var(--muted); font-size: 0.85rem; margin-top: 24px; text-align: center; }
.install-steps__note a { color: var(--accent); }

/* Part 8 — Footer */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.footer__links a { color: var(--muted); }
.footer__links a:hover { color: var(--text); text-decoration: none; }
.footer__legal { color: var(--muted); font-size: 0.8rem; }

/* Part 9 — Responsive overrides (MUST be last) */
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }
  .why-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  /* Hides last column on mobile — intentional, keeps table readable */
  .compare-table th:last-child,
  .compare-table td:last-child { display: none; }
}